/* roulang page: index */
:root {
        --brand: #0E9F6F;
        --brand-dark: #0D6B4F;
        --forest: #12372E;
        --leaf: #ADE0C3;
        --sun: #F27238;
        --sun-light: #FF9654;
        --cream: #F6F6F0;
        --white: #FFFFFF;
        --text: #1B2B26;
        --muted: #5C6F68;
        --line: #E8E9E2;
        --radius-xl: 24px;
        --radius-lg: 20px;
        --radius-md: 14px;
        --radius-sm: 10px;
        --shadow: 0 8px 24px rgba(18, 55, 46, .06);
        --shadow-lg: 0 16px 40px rgba(18, 55, 46, .12);
    }

    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", system-ui, -apple-system, sans-serif;
        background: var(--cream);
        color: var(--text);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    button,
    input,
    select,
    textarea {
        font: inherit;
    }
    button {
        cursor: pointer;
        border: 0;
        background: none;
    }
    ul,
    ol {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    .container-c {
        max-width: 1220px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section {
        padding: 84px 0;
    }

    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 44px;
    }
    .section-head_left {
        max-width: 720px;
    }
    .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--brand-dark);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: .08em;
        text-transform: uppercase;
        margin-bottom: 10px;
    }
    .section-kicker::before {
        content: "";
        width: 18px;
        height: 3px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
    }
    .section-title {
        font-size: 32px;
        line-height: 1.3;
        font-weight: 800;
        letter-spacing: -0.015em;
        margin: 0;
        color: var(--forest);
    }
    .section-title .accent {
        color: var(--brand-dark);
    }
    .section-desc {
        margin-top: 12px;
        color: var(--muted);
        font-size: 16px;
        line-height: 1.8;
    }
    .section-bar {
        width: 44px;
        height: 5px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--brand-dark), var(--brand));
        margin: 14px 0 0;
    }

    /* Header */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 60;
        width: 100%;
        height: 80px;
        background: rgba(255, 255, 255, .82);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(18, 55, 46, .08);
        transition: box-shadow .3s ease, background .3s ease;
    }
    .site-header.scrolled {
        background: rgba(255, 255, 255, .96);
        box-shadow: 0 6px 28px rgba(18, 55, 46, .08);
    }
    .header-inner {
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }
    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
        position: relative;
        box-shadow: 0 6px 18px rgba(14, 159, 111, .28);
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .brand-mark svg {
        width: 26px;
        height: 26px;
    }
    .brand-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }
    .brand-text strong {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: -0.01em;
        color: var(--forest);
        white-space: nowrap;
    }
    .brand-text small {
        font-size: 12px;
        color: var(--muted);
        margin-top: 4px;
        letter-spacing: .04em;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-link {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
        padding: 0 16px;
        border-radius: 999px;
        color: #30413B;
        font-size: 15px;
        font-weight: 600;
        transition: all .25s ease;
    }
    .nav-link:hover {
        color: var(--brand-dark);
        background: rgba(14, 159, 111, .08);
    }
    .nav-link.active {
        background: rgba(14, 159, 111, .14);
        color: var(--brand-dark);
        font-weight: 700;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: var(--radius-md);
        font-size: 15px;
        font-weight: 700;
        min-height: 46px;
        padding: 0 24px;
        transition: all .28s ease;
        white-space: nowrap;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--sun) 0%, var(--sun-light) 55%, #FFAE72 100%);
        color: #fff;
        box-shadow: 0 8px 18px rgba(242, 114, 56, .24);
    }
    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 14px 28px rgba(242, 114, 56, .32);
        filter: brightness(1.04);
    }
    .btn-primary:active {
        transform: translateY(-1px);
        box-shadow: 0 6px 16px rgba(242, 114, 56, .24);
    }
    .btn-ghost {
        background: #fff;
        color: var(--brand-dark);
        border: 1.5px solid rgba(13, 107, 79, .35);
        box-shadow: 0 6px 14px rgba(18, 55, 46, .04);
    }
    .btn-ghost:hover {
        border-color: var(--brand-dark);
        background: rgba(14, 159, 111, .08);
        transform: translateY(-2px);
        box-shadow: 0 10px 22px rgba(18, 55, 46, .08);
    }
    .nav-btn {
        margin-left: 8px;
        min-height: 42px;
    }
    .menu-toggle {
        width: 44px;
        height: 44px;
        display: none;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        border: 1px solid rgba(18, 55, 46, .12);
        background: #fff;
    }
    .menu-toggle span {
        width: 20px;
        height: 2px;
        background: var(--forest);
        display: block;
        margin: 3px 0;
        border-radius: 99px;
        transition: .3s;
    }

    /* Hero */
    .hero {
        padding: 150px 0 70px;
        position: relative;
        overflow: hidden;
        background:
            radial-gradient(circle at 10% 20%, rgba(173, 224, 195, .55) 0, rgba(173, 224, 195, 0) 32%),
            radial-gradient(circle at 92% 15%, rgba(255, 198, 145, .24) 0, rgba(255, 198, 145, 0) 30%),
            linear-gradient(160deg, #FBFCF7 0%, #EFF7F1 50%, #F8F4EA 100%);
    }
    .hero::before {
        content: "";
        position: absolute;
        right: -120px;
        bottom: -120px;
        width: 380px;
        height: 380px;
        border-radius: 50%;
        border: 60px solid rgba(14, 159, 111, .06);
    }
    .hero-grid {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.05fr .95fr;
        gap: 60px;
        align-items: center;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 14px;
        border-radius: 999px;
        background: rgba(255, 255, 255, .8);
        border: 1px solid rgba(13, 107, 79, .14);
        box-shadow: 0 4px 10px rgba(18, 55, 46, .05);
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-dark);
        margin-bottom: 20px;
        backdrop-filter: blur(6px);
    }
    .hero-badge .pulse-dot {
        width: 8px;
        height: 8px;
        background: var(--brand);
        border-radius: 50%;
        box-shadow: 0 0 0 5px rgba(14, 159, 111, .14);
    }
    .hero h1 {
        font-size: 46px;
        line-height: 1.25;
        font-weight: 800;
        color: var(--forest);
        letter-spacing: -0.02em;
        margin: 0 0 18px;
    }
    .hero h1 .brand-em {
        color: var(--brand-dark);
        position: relative;
        white-space: nowrap;
    }
    .hero-sub {
        font-size: 17px;
        line-height: 1.85;
        color: var(--muted);
        max-width: 540px;
        margin-bottom: 30px;
    }
    .hero-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .hero-visual {
        position: relative;
    }
    .hero-card {
        border-radius: 26px;
        overflow: hidden;
        box-shadow: 0 22px 60px rgba(18, 55, 46, .14);
        border: 6px solid #fff;
        background: #fff;
        transform: rotate(1deg);
        position: relative;
    }
    .hero-card img {
        width: 100%;
        height: 430px;
        object-fit: cover;
        border-radius: 20px;
    }
    .hero-float {
        position: absolute;
        background: rgba(255, 255, 255, .85);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, .5);
        border-radius: 16px;
        box-shadow: 0 12px 26px rgba(18, 55, 46, .14);
        padding: 14px 16px;
        display: flex;
        align-items: center;
        gap: 10px;
        z-index: 3;
    }
    .hero-float .float-icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--brand-dark), var(--brand));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
    }
    .hero-float strong {
        font-size: 14px;
        display: block;
        color: var(--forest);
        line-height: 1.4;
    }
    .hero-float small {
        color: var(--muted);
        font-size: 12px;
        line-height: 1.4;
    }
    .float-top-right {
        top: 24px;
        right: -12px;
    }
    .float-bottom-left {
        bottom: 24px;
        left: -18px;
    }
    .hero-trust {
        display: flex;
        align-items: center;
        gap: 22px;
        margin-top: 26px;
        color: var(--muted);
        font-size: 13px;
    }
    .hero-trust .trust-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .hero-trust svg {
        width: 15px;
        color: var(--brand);
    }

    /* Process steps */
    .process-wrap {
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 4px 16px rgba(18, 55, 46, .04);
    }
    .process-steps {
        display: flex;
        align-items: center;
        gap: 0;
        justify-content: space-between;
        padding: 22px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    .step-block {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 8px 12px;
        border-radius: 999px;
        flex-shrink: 0;
        transition: background .25s;
    }
    .step-block:hover {
        background: var(--cream);
    }
    .step-num {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        font-size: 13px;
        font-weight: 800;
        background: linear-gradient(135deg, var(--brand-dark), var(--brand));
        color: #fff;
        box-shadow: 0 6px 12px rgba(14, 159, 111, .22);
    }
    .step-copy strong {
        display: block;
        font-size: 14px;
        color: var(--forest);
        line-height: 1.3;
    }
    .step-copy small {
        color: var(--muted);
        font-size: 12px;
    }
    .step-arrow {
        color: #B8C4C0;
        font-size: 16px;
        flex-shrink: 0;
        margin: 0 0;
    }

    /* Stat band */
    .stat-band {
        background: linear-gradient(120deg, var(--forest) 0%, #1E4A3F 60%, #14594A 100%);
        border-radius: 28px;
        padding: 38px 44px;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin-top: -40px;
        position: relative;
        z-index: 9;
        box-shadow: 0 20px 44px rgba(18, 55, 46, .18);
    }
    .stat-item {
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: 22px;
        padding: 24px 24px;
        backdrop-filter: blur(8px);
        position: relative;
        overflow: hidden;
    }
    .stat-item::after {
        content: "";
        position: absolute;
        width: 90px;
        height: 90px;
        border-radius: 50%;
        right: -28px;
        top: -28px;
        background: rgba(14, 159, 111, .25);
    }
    .stat-num {
        font-size: 38px;
        font-weight: 900;
        line-height: 1.1;
        background: linear-gradient(135deg, #A9E3C5, #F8FFE9);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        letter-spacing: -0.02em;
    }
    .stat-label {
        color: rgba(255, 255, 255, .85);
        font-size: 14px;
        font-weight: 600;
        margin-top: 8px;
    }
    .stat-sub {
        color: rgba(255, 255, 255, .5);
        font-size: 12px;
        margin-top: 4px;
    }

    /* Card / module */
    .card {
        background: #fff;
        border-radius: var(--radius-lg);
        border: 1px solid rgba(18, 55, 46, .08);
        box-shadow: var(--shadow);
        transition: all .3s ease;
    }
    .card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }
    .module-grid {
        display: grid;
        grid-template-columns: 1.15fr .85fr;
        gap: 28px;
    }
    .module-main {
        border-radius: var(--radius-xl);
        overflow: hidden;
        background: #fff;
        border: 1px solid rgba(18, 55, 46, .07);
        box-shadow: var(--shadow);
        position: relative;
        min-height: 340px;
        display: block;
    }
    .module-main img {
        width: 100%;
        height: 260px;
        object-fit: cover;
    }
    .module-main-info {
        padding: 24px 28px 28px;
    }
    .module-tag {
        display: inline-block;
        background: rgba(14, 159, 111, .12);
        color: var(--brand-dark);
        font-size: 12px;
        font-weight: 700;
        padding: 5px 12px;
        border-radius: 999px;
        margin-bottom: 14px;
    }
    .module-main h3 {
        font-size: 24px;
        font-weight: 800;
        color: var(--forest);
        margin: 0 0 6px;
    }
    .module-main p {
        color: var(--muted);
        line-height: 1.8;
        margin: 0;
    }
    .module-side-list {
        display: grid;
        gap: 18px;
    }
    .module-side-item {
        flex: 1;
        display: flex;
        gap: 16px;
        align-items: center;
        background: #fff;
        border-radius: 20px;
        border: 1px solid rgba(18, 55, 46, .08);
        padding: 20px;
        box-shadow: var(--shadow);
        transition: all .3s ease;
    }
    .module-side-item:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
    }
    .module-side-icon {
        width: 52px;
        height: 52px;
        border-radius: 16px;
        display: grid;
        place-items: center;
        flex-shrink: 0;
        background: linear-gradient(135deg, var(--brand-dark), var(--brand));
        color: #fff;
        box-shadow: 0 8px 14px rgba(14, 159, 111, .18);
    }
    .module-side-icon.dark-icon {
        background: linear-gradient(135deg, var(--forest), #1A5647);
    }
    .module-side-copy h3 {
        font-size: 18px;
        font-weight: 700;
        margin: 0 0 3px;
        color: var(--forest);
    }
    .module-side-copy p {
        color: var(--muted);
        font-size: 13px;
        line-height: 1.55;
        margin: 0;
    }

    /* Section bg */
    .section-soft {
        background: #FFFFFF;
    }

    /* Timeline */
    .timeline {
        position: relative;
        max-width: 860px;
        margin: 0 auto;
        padding-left: 34px;
    }
    .timeline::before {
        content: "";
        position: absolute;
        top: 8px;
        bottom: 8px;
        left: 11px;
        width: 3px;
        background: linear-gradient(180deg, var(--brand-dark), var(--leaf));
        border-radius: 99px;
        opacity: .5;
    }
    .tl-node {
        position: relative;
        padding-bottom: 22px;
    }
    .tl-node::before {
        content: "";
        position: absolute;
        left: -32px;
        top: 6px;
        width: 17px;
        height: 17px;
        border-radius: 50%;
        background: #fff;
        border: 4px solid var(--brand);
        box-shadow: 0 0 0 4px rgba(14, 159, 111, .15);
    }
    .tl-card {
        background: #fff;
        border: 1px solid rgba(18, 55, 46, .08);
        border-radius: 20px;
        padding: 22px 26px;
        box-shadow: var(--shadow);
        transition: .3s;
    }
    .tl-card:hover {
        box-shadow: var(--shadow-lg);
    }
    .tl-row {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .tl-time {
        color: var(--brand-dark);
        font-weight: 800;
        font-size: 15px;
        letter-spacing: .02em;
    }
    .tl-badge {
        font-size: 12px;
        padding: 4px 10px;
        border-radius: 999px;
        background: rgba(14, 159, 111, .1);
        color: var(--brand-dark);
        font-weight: 600;
    }
    .tl-title {
        font-size: 20px;
        font-weight: 800;
        color: var(--forest);
        margin: 7px 0 4px;
    }
    .tl-desc {
        color: var(--muted);
        font-size: 14px;
        margin: 0;
        line-height: 1.7;
    }

    /* highlight cards */
    .spotlight-grid {
        display: grid;
        grid-template-columns: 1.15fr .55fr .55fr;
        gap: 24px;
    }
    .spotlight-card {
        background: #fff;
        border-radius: var(--radius-xl);
        border: 1px solid rgba(18, 55, 46, .08);
        overflow: hidden;
        transition: .3s;
        box-shadow: var(--shadow);
        display: flex;
        flex-direction: column;
    }
    .spotlight-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }
    .spotlight-media {
        aspect-ratio: 4 / 3;
        background: var(--leaf);
    }
    .spotlight-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .spotlight-body {
        padding: 24px;
        flex: 1;
    }
    .spotlight-body h3 {
        font-size: 21px;
        font-weight: 800;
        color: var(--forest);
        margin: 0 0 8px;
    }
    .spotlight-body p {
        color: var(--muted);
        margin: 0;
        font-size: 14px;
    }
    .spotlight-dark {
        background: linear-gradient(135deg, var(--forest) 0%, #0D6B4F 100%);
        color: #fff;
    }
    .spotlight-dark h3 {
        color: #fff;
    }
    .spotlight-dark p {
        color: rgba(255, 255, 255, .78);
    }
    .spotlight-dark .num-label {
        color: var(--leaf);
        font-weight: 800;
        font-size: 13px;
        letter-spacing: .12em;
        margin-bottom: 12px;
    }
    .spotlight-dark .link-line {
        margin-top: 28px;
        color: #fff;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, .4);
        padding-bottom: 4px;
    }

    /* ticket */
    .pricing-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 26px;
        align-items: stretch;
    }
    .price-card {
        background: #fff;
        border-radius: 26px;
        border: 1px solid rgba(18, 55, 46, .08);
        padding: 34px 28px;
        box-shadow: var(--shadow);
        display: flex;
        flex-direction: column;
        transition: .3s;
        position: relative;
    }
    .price-card:hover {
        transform: translateY(-4px);
    }
    .price-card.featured {
        background: linear-gradient(150deg, var(--forest) 0%, #135844 68%, #177A5A 100%);
        color: #fff;
        border: none;
        box-shadow: 0 22px 42px rgba(18, 55, 46, .24);
        transform: scale(1.02);
    }
    .price-card.featured:hover {
        transform: scale(1.02) translateY(-5px);
    }
    .price-ribbon {
        position: absolute;
        top: -12px;
        right: 22px;
        background: linear-gradient(135deg, var(--sun), var(--sun-light));
        color: #fff;
        padding: 6px 14px;
        font-size: 13px;
        font-weight: 700;
        border-radius: 999px;
        box-shadow: 0 6px 14px rgba(242, 114, 56, .4);
    }
    .price-name {
        font-size: 15px;
        font-weight: 700;
        color: var(--brand-dark);
        margin-bottom: 10px;
        letter-spacing: .04em;
    }
    .featured .price-name {
        color: var(--leaf);
    }
    .price-condition {
        display: flex;
        align-items: baseline;
        gap: 4px;
        font-size: 15px;
        color: var(--muted);
        font-weight: 500;
        margin-bottom: 22px;
    }
    .featured .price-condition {
        color: rgba(255, 255, 255, .85);
    }
    .price-list {
        display: grid;
        gap: 11px;
        margin-bottom: 32px;
    }
    .price-list li {
        position: relative;
        padding-left: 24px;
        font-size: 14px;
        line-height: 1.6;
        color: #344B44;
    }
    .featured .price-list li {
        color: rgba(255, 255, 255, .9);
    }
    .price-list li::before {
        content: "✓";
        position: absolute;
        left: 0;
        top: 0;
        color: var(--brand);
        font-weight: 900;
    }
    .featured .price-list li::before {
        color: var(--leaf);
    }
    .price-btn {
        margin-top: auto;
    }

    /* signup */
    .signup-section {
        background: linear-gradient(115deg, var(--forest), #164A3E);
        border-radius: 28px;
        padding: 48px;
        position: relative;
        overflow: hidden;
    }
    .signup-section::after {
        content: "";
        position: absolute;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        right: -90px;
        bottom: -90px;
        border: 44px solid rgba(14, 159, 111, .18);
    }
    .signup-grid {
        display: grid;
        grid-template-columns: 1.05fr .95fr;
        gap: 46px;
        position: relative;
        z-index: 3;
    }
    .signup-info-block {
        color: #fff;
    }
    .signup-info-block h2 {
        color: #fff;
        font-size: 32px;
        font-weight: 800;
        margin: 0 0 14px;
        line-height: 1.3;
        letter-spacing: -.01em;
    }
    .signup-info-block p {
        color: rgba(255, 255, 255, .78);
        margin-bottom: 30px;
        font-size: 15px;
        line-height: 1.85;
        max-width: 420px;
    }
    .signup-contact-list {
        display: grid;
        gap: 15px;
        margin-bottom: 28px;
    }
    .signup-contact-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 16px;
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: 16px;
    }
    .signup-contact-item .icon {
        width: 32px;
        height: 32px;
        border-radius: 10px;
        background: rgba(255, 255, 255, .14);
        display: grid;
        place-items: center;
        color: var(--leaf);
        font-size: 15px;
    }
    .signup-contact-item strong {
        display: block;
        font-size: 14px;
        color: #fff;
        margin-bottom: 2px;
    }
    .signup-contact-item span {
        color: rgba(255, 255, 255, .64);
        font-size: 13px;
    }
    .signup-form-card {
        background: #fff;
        border-radius: 24px;
        padding: 30px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, .2);
    }
    .form-group {
        margin-bottom: 18px;
    }
    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        color: var(--forest);
        margin-bottom: 7px;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        background: #F7F8F3;
        border: 1.5px solid #E4E7E0;
        border-radius: 12px;
        padding: 12px 15px;
        font-size: 15px;
        color: var(--forest);
        outline: none;
        transition: .25s;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        background: #fff;
        border-color: var(--brand);
        box-shadow: 0 0 0 4px rgba(14, 159, 111, .12);
    }
    .form-success {
        display: none;
        background: rgba(14, 159, 111, .08);
        border: 1px solid rgba(14, 159, 111, .25);
        border-radius: 12px;
        padding: 12px 14px;
        color: var(--brand-dark);
        font-size: 14px;
        font-weight: 600;
        margin-top: 14px;
    }
    .form-success.show {
        display: block;
    }

    /* news */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .news-card {
        border-radius: 22px;
        overflow: hidden;
        background: #fff;
        border: 1px solid rgba(18, 55, 46, .07);
        box-shadow: var(--shadow);
        transition: .35s;
        display: block;
        height: 100%;
    }
    .news-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-6px);
    }
    .news-thumb {
        aspect-ratio: 3 / 2;
        background: linear-gradient(135deg, var(--brand-dark), var(--brand));
        position: relative;
        overflow: hidden;
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: .5s;
    }
    .news-card:hover .news-thumb img {
        transform: scale(1.04);
    }
    .news-cat {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(4px);
        padding: 4px 12px;
        color: var(--brand-dark);
        font-size: 12px;
        font-weight: 700;
        border-radius: 999px;
    }
    .news-info {
        padding: 20px 22px 22px;
        display: flex;
        flex-direction: column;
        height: auto;
    }
    .news-meta {
        display: flex;
        align-items: center;
        color: var(--muted);
        font-size: 13px;
        gap: 12px;
        margin-bottom: 10px;
    }
    .news-meta .sep {
        width: 3px;
        height: 3px;
        border-radius: 50%;
        background: #B8C6C1;
    }
    .news-info h3 {
        font-size: 18px;
        font-weight: 800;
        color: var(--forest);
        line-height: 1.5;
        margin: 0 0 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-info p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.7;
        margin: 0 0 16px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--brand-dark);
        font-weight: 700;
        font-size: 14px;
        margin-top: auto;
        transition: .2s;
    }
    .news-link svg {
        width: 15px;
    }
    .news-card:hover .news-link {
        gap: 10px;
        color: var(--brand);
    }
    .empty-news {
        border: 1.5px dashed rgba(18, 55, 46, .22);
        background: rgba(255, 255, 255, .55);
        border-radius: 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 240px;
        text-align: center;
        padding: 40px 20px;
        color: var(--muted);
    }
    .empty-news .empty-icon {
        width: 56px;
        height: 56px;
        border-radius: 18px;
        background: rgba(14, 159, 111, .1);
        display: grid;
        place-items: center;
        margin-bottom: 14px;
        color: var(--brand-dark);
    }

    /* faq */
    .faq-list {
        max-width: 880px;
        margin: 0 auto;
        display: grid;
        gap: 14px;
    }
    .faq-item {
        background: #fff;
        border: 1px solid rgba(18, 55, 46, .09);
        border-radius: 18px;
        overflow: hidden;
        transition: .3s;
    }
    .faq-item:hover {
        border-color: rgba(14, 159, 111, .35);
    }
    .faq-question {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        padding: 22px 24px;
        gap: 20px;
        font-size: 17px;
        font-weight: 700;
        color: var(--forest);
        transition: .3s;
    }
    .faq-question:hover {
        color: var(--brand-dark);
    }
    .faq-icon {
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: rgba(14, 159, 111, .12);
        color: var(--brand-dark);
        display: grid;
        place-items: center;
        transition: .3s;
        flex-shrink: 0;
    }
    .faq-icon svg {
        width: 16px;
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height .35s ease, opacity .3s ease, padding .3s ease;
        padding: 0 24px;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.85;
    }
    .faq-item.open .faq-icon {
        background: var(--brand-dark);
        color: #fff;
        transform: rotate(45deg);
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        opacity: 1;
        padding: 0 24px 26px;
    }

    /* cta banner */
    .cta-banner {
        background: linear-gradient(125deg, #0E9F6F 0%, #0D6B4F 60%, #104D3E 100%);
        border-radius: 30px;
        padding: 52px 46px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        position: relative;
        overflow: hidden;
    }
    .cta-banner::before {
        content: "";
        position: absolute;
        width: 260px;
        height: 260px;
        right: -40px;
        top: -100px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .08);
    }
    .cta-banner h2 {
        color: #fff;
        font-size: 28px;
        font-weight: 800;
        margin: 0 0 8px;
        letter-spacing: -0.01em;
    }
    .cta-banner p {
        color: rgba(255, 255, 255, .82);
        margin: 0;
        max-width: 600px;
        line-height: 1.8;
    }
    .cta-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        flex-shrink: 0;
    }

    /* footer */
    .site-footer {
        background: #0C241D;
        padding-top: 66px;
        margin-top: 0;
        color: rgba(235, 245, 240, .78);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.3fr .9fr .9fr 1.2fr;
        gap: 40px;
        padding-bottom: 40px;
    }
    .footer-brand strong {
        display: block;
        color: #fff;
        font-size: 21px;
        font-weight: 800;
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(235, 245, 240, .62);
        max-width: 280px;
    }
    .footer-col-title {
        color: #fff;
        font-weight: 700;
        font-size: 15px;
        margin-bottom: 18px;
    }
    .footer-col a {
        display: block;
        color: rgba(235, 245, 240, .66);
        padding: 4px 0;
        font-size: 14px;
        transition: .2s;
    }
    .footer-col a:hover {
        color: var(--leaf);
        padding-left: 4px;
    }
    .footer-contact {
        display: grid;
        gap: 12px;
        color: rgba(235, 245, 240, .66);
        font-size: 14px;
        font-style: normal;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 22px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: rgba(235, 245, 240, .5);
        font-size: 13px;
        flex-wrap: wrap;
        gap: 8px;
    }

    /* focus */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid rgba(14, 159, 111, .55);
        outline-offset: 3px;
        border-radius: 6px;
    }

    /* responsive */
    @media (max-width: 1024px) {
        .main-nav {
            display: none;
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            height: calc(100vh - 80px);
            background: var(--forest);
            padding: 30px 26px 40px;
            overflow-y: auto;
            flex-direction: column;
            align-items: stretch;
            gap: 8px;
        }
        .main-nav.mobile-open {
            display: flex;
        }
        .main-nav .nav-link {
            color: #E9F2ED;
            justify-content: space-between;
            font-size: 16px;
            padding: 16px 10px;
            border-radius: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
        }
        .main-nav .nav-link.active {
            background: rgba(173, 224, 195, .14);
            color: var(--leaf);
        }
        .nav-btn {
            background: linear-gradient(135deg, var(--sun), var(--sun-light));
            color: #fff;
            border-radius: 14px;
            justify-content: center;
            margin-left: 0;
            margin-top: 20px;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .hero {
            padding-top: 130px;
        }
        .section {
            padding: 64px 0;
        }
        .section-title {
            font-size: 27px;
        }
        .module-grid,
        .signup-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .stat-band {
            grid-template-columns: 1fr;
            margin-top: -20px;
            padding: 26px;
        }
        .pricing-grid {
            grid-template-columns: 1fr;
            max-width: 520px;
            margin: 0 auto;
        }
        .spotlight-grid {
            grid-template-columns: 1fr 1fr;
        }
        .news-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .cta-banner {
            flex-direction: column;
            padding: 40px 28px;
        }
    }

    @media (max-width: 768px) {
        .hero-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .hero h1 {
            font-size: 34px;
        }
        .hero-card img {
            height: 290px;
        }
        .float-top-right {
            right: 6px;
        }
        .float-bottom-left {
            left: 6px;
        }
        .spotlight-grid {
            grid-template-columns: 1fr;
        }
        .news-grid {
            grid-template-columns: 1fr;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 26px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .cta-actions .btn {
            width: 100%;
        }
        .brand-text strong {
            font-size: 18px;
        }
    }

    @media (max-width: 520px) {
        .container-c {
            padding-left: 16px;
            padding-right: 16px;
        }
        .section {
            padding: 52px 0;
        }
        .hero {
            padding: 120px 0 50px;
        }
        .hero h1 {
            font-size: 29px;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .timeline {
            padding-left: 24px;
        }
        .tl-card {
            padding: 18px;
        }
        .signup-section {
            padding: 30px 20px;
            border-radius: 20px;
        }
        .signup-form-card {
            padding: 20px;
        }
        .cta-banner {
            padding: 36px 20px;
        }
    }

/* roulang page: category1 */
:root {
            --brand: #0E9F6F;
            --brand-deep: #0D6B4F;
            --brand-dark: #12372E;
            --mint: #ADE0C3;
            --accent: #F27238;
            --accent-light: #FF9654;
            --page-bg: #F6F6F0;
            --surface: #FFFFFF;
            --ink: #1B2B26;
            --muted: #5C6F68;
            --line: #E8E9E2;
            --card-shadow: 0 6px 24px rgba(18, 55, 46, 0.06);
            --card-shadow-hover: 0 14px 36px rgba(18, 55, 46, 0.12);
            --radius-xl: 24px;
            --radius-lg: 18px;
            --radius-md: 14px;
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--page-bg);
            color: var(--ink);
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        section,
        header,
        footer {
            scroll-margin-top: 96px;
        }

        .container-c {
            width: min(1200px, 100% - 48px);
            margin-inline: auto;
        }

        .section-pad {
            padding: 88px 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 48px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-deep);
            letter-spacing: 0.06em;
        }

        .section-kicker::before {
            content: "";
            width: 40px;
            height: 4px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--brand-deep), var(--brand));
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: var(--ink);
            margin-top: 12px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--muted);
            margin-top: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            padding: 13px 26px;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, #F27238, #FF9654);
            box-shadow: 0 6px 16px rgba(242, 114, 56, 0.22);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(242, 114, 56, 0.32);
            background: linear-gradient(135deg, #F27238, #FF9460);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(242, 114, 56, 0.22);
        }

        .btn-secondary {
            color: var(--brand-deep);
            background: var(--surface);
            border: 1.5px solid var(--brand);
        }

        .btn-secondary:hover {
            background: rgba(14, 159, 111, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(14, 159, 111, 0.16);
        }

        .btn-ghost-light {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border: 1.5px solid rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(6px);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.22);
            transform: translateY(-2px);
        }

        :focus-visible {
            outline: 3px solid var(--brand);
            outline-offset: 3px;
        }

        /* 全站统一顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(246, 246, 240, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(232, 233, 226, 0.8);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 78px;
            gap: 24px;
        }

        .brand-header {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(140deg, var(--brand-deep), var(--brand));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--ink);
            line-height: 1.3;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: background .25s ease, color .25s ease, transform .25s ease;
        }

        .nav-link:hover {
            color: var(--brand-deep);
            background: rgba(14, 159, 111, 0.12);
        }

        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--brand-deep), var(--brand));
            box-shadow: 0 6px 16px rgba(14, 159, 111, 0.24);
        }

        .nav-btn {
            margin-left: 12px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: transparent;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 0;
        }

        .nav-toggle-bar,
        .nav-toggle-bar::before,
        .nav-toggle-bar::after {
            content: "";
            display: block;
            width: 22px;
            height: 2.4px;
            background: var(--ink);
            border-radius: 20px;
            transition: transform .3s ease, opacity .3s ease;
        }

        .nav-toggle-bar {
            position: relative;
        }

        .nav-toggle-bar::before {
            position: absolute;
            top: -7px;
            left: 0;
        }

        .nav-toggle-bar::after {
            position: absolute;
            bottom: -7px;
            left: 0;
        }

        .nav-toggle.active .nav-toggle-bar {
            transform: rotate(45deg);
        }

        .nav-toggle.active .nav-toggle-bar::before {
            opacity: 0;
            transform: translateY(7px);
        }

        .nav-toggle.active .nav-toggle-bar::after {
            transform: translateY(-7px) rotate(90deg);
        }

        /* 分类页 Banner */
        .cat-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 72px 0 80px;
            overflow: hidden;
            background: var(--brand-dark);
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.38;
        }

        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(95deg, rgba(18, 55, 46, 0.97) 0%, rgba(18, 55, 46, 0.88) 44%, rgba(13, 107, 79, 0.68) 78%, rgba(14, 159, 111, 0.3) 100%);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            padding: 4px 0;
        }

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

        .breadcrumb-current {
            color: var(--mint);
            font-weight: 600;
        }

        .cat-hero-content {
            max-width: 700px;
        }

        .cat-hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            color: var(--mint);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .cat-hero h1 {
            color: #fff;
            font-size: clamp(30px, 4.8vw, 48px);
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 18px 0 18px;
        }

        .cat-hero-desc {
            color: rgba(255, 255, 255, 0.82);
            font-size: 17px;
            line-height: 1.9;
            max-width: 620px;
        }

        .cat-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }

        /* 图文导读 */
        .intro-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .intro-visual img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .intro-panel {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(8px);
            border-radius: 18px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(18, 55, 46, 0.06);
            padding: 22px 24px;
            position: absolute;
            right: -18px;
            bottom: -18px;
            max-width: 260px;
        }

        .intro-panel strong {
            display: block;
            color: var(--brand-deep);
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .intro-panel span {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .check-list {
            display: grid;
            gap: 12px;
            margin-top: 28px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--ink);
            line-height: 1.7;
        }

        .check-list li::before {
            content: "✓";
            flex: 0 0 auto;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(14, 159, 111, 0.16);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 4px;
        }

        /* 项目分类卡片 */
        .project-grid {
            display: grid;
            grid-template-columns: 1.15fr 1fr 1fr;
            gap: 28px;
        }

        .project-card {
            background: var(--surface);
            border: 1px solid rgba(18, 55, 46, 0.08);
            border-radius: var(--radius-xl);
            box-shadow: var(--card-shadow);
            padding: 38px 34px;
            transition: transform .3s ease, box-shadow .3s ease;
            min-width: 0;
        }

        .project-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-shadow-hover);
        }

        .project-card.dark {
            background: linear-gradient(150deg, var(--brand-dark), var(--brand-deep));
            border-color: transparent;
            color: #fff;
        }

        .project-card.dark:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 38px rgba(18, 55, 46, 0.28);
        }

        .project-index {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border-radius: 14px;
            background: rgba(14, 159, 111, 0.14);
            color: var(--brand-deep);
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 24px;
        }

        .dark .project-index {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .project-card h3 {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .project-card p {
            color: var(--muted);
            line-height: 1.8;
            font-size: 15px;
        }

        .dark.project-card p {
            color: rgba(255, 255, 255, 0.78);
        }

        .project-note {
            margin-top: 22px;
            padding-top: 20px;
            border-top: 1px solid rgba(18, 55, 46, 0.08);
            display: grid;
            gap: 8px;
        }

        .dark.project-card .project-note {
            border-top-color: rgba(255, 255, 255, 0.2);
        }

        .project-note li {
            position: relative;
            padding-left: 16px;
            color: var(--muted);
            font-size: 14px;
        }

        .dark.project-card .project-note li {
            color: rgba(255, 255, 255, 0.78);
        }

        .project-note li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand);
        }

        .dark.project-card .project-note li::before {
            background: var(--mint);
        }

        /* 时间线 */
        .timeline {
            max-width: 820px;
            margin: 0 auto;
            padding-left: 62px;
            position: relative;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 23px;
            top: 20px;
            bottom: 20px;
            width: 3px;
            background: linear-gradient(180deg, var(--brand), rgba(14, 159, 111, 0.15));
            border-radius: 10px;
        }

        .timeline-item {
            position: relative;
            background: var(--surface);
            border: 1px solid rgba(18, 55, 46, 0.08);
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            padding: 28px 32px;
            margin-bottom: 26px;
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .timeline-item:hover {
            transform: translateX(4px);
            box-shadow: var(--card-shadow-hover);
        }

        .tl-node {
            position: absolute;
            left: -51px;
            top: 28px;
            width: 19px;
            height: 19px;
            border-radius: 50%;
            background: var(--surface);
            border: 5px solid var(--brand);
            box-shadow: 0 0 0 5px rgba(14, 159, 111, 0.16);
        }

        .tl-node:nth-child(2) {
            background: #fff;
        }

        .timeline-label {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(14, 159, 111, 0.12);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .timeline-item h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .timeline-item p {
            color: var(--muted);
            line-height: 1.8;
        }

        .timeline-extra {
            margin-top: 40px;
            text-align: center;
        }

        /* 内容推荐卡 */
        .resource-card {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid rgba(18, 55, 46, 0.07);
            box-shadow: var(--card-shadow);
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .resource-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-shadow-hover);
        }

        .resource-thumb {
            aspect-ratio: 16 / 9;
            max-height: 220px;
            overflow: hidden;
        }

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

        .resource-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(14, 159, 111, 0.14);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .resource-body {
            padding: 26px 28px 30px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .resource-body h3 {
            font-size: 20px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .resource-body p {
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 20px;
            flex: 1;
        }

        .resource-link {
            display: inline-flex;
            align-items: center;
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 14px;
        }

        .resource-link svg {
            margin-left: 6px;
            transition: transform .25s ease;
        }

        .resource-link:hover svg {
            transform: translateX(5px);
        }

        /* FAQ */
        .faq-list {
            max-width: 920px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid rgba(18, 55, 46, 0.08);
            border-radius: 18px;
            box-shadow: 0 4px 16px rgba(18, 55, 46, 0.03);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .faq-item.open {
            box-shadow: var(--card-shadow);
        }

        .faq-question {
            display: flex;
            width: 100%;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: transparent;
            border: 0;
            padding: 22px 28px;
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            text-align: left;
            cursor: pointer;
        }

        .faq-icon {
            flex: 0 0 auto;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(14, 159, 111, 0.12);
            color: var(--brand-deep);
            font-size: 20px;
            line-height: 1;
            transition: background .25s ease, transform .3s ease, color .25s ease;
        }

        .faq-question:hover .faq-icon {
            background: var(--brand);
            color: #fff;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand);
            color: #fff;
        }

        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
        }

        .faq-item.open .faq-panel {
            max-height: 400px;
        }

        .faq-answer {
            padding: 0 28px 26px;
            color: var(--muted);
            line-height: 1.85;
            font-size: 15px;
        }

        /* CTA */
        .cta-block {
            background:
                radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 12% 85%, rgba(173, 224, 195, 0.16) 0%, transparent 34%),
                linear-gradient(135deg, #12372E 0%, #0D6B4F 60%, #0E9F6F 140%);
            border-radius: 32px;
            padding: 72px 72px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-block h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            line-height: 1.9;
            max-width: 640px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 36px;
        }

        .cta-block .btn-ghost-light {
            border-color: rgba(255, 255, 255, 0.7);
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 0;
            margin-top: 96px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2.1fr 1fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand strong {
            display: block;
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .footer-brand p {
            line-height: 1.85;
            font-size: 15px;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.65);
        }

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

        .footer-col a,
        .footer-contact {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 2.1;
            transition: color .2s ease;
        }

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

        .footer-contact span {
            display: block;
            line-height: 2.1;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.52);
        }

        /* 响应式 */
        @media (max-width: 1199px) {
            .project-grid {
                grid-template-columns: 1fr 1fr;
            }
            .project-card.dark {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 1023px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -340px;
                width: 320px;
                height: 100vh;
                background: linear-gradient(165deg, #12372E, #0D6B4F);
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                gap: 6px;
                padding: 100px 28px 36px;
                z-index: 70;
                transition: right .35s ease;
                box-shadow: -20px 0 46px rgba(18, 55, 46, 0.3);
            }

            .main-nav.open {
                right: 0;
            }

            .nav-link {
                color: rgba(255, 255, 255, 0.85);
                justify-content: flex-start;
                border-radius: 14px;
                padding: 14px 16px;
                font-size: 16px;
            }

            .nav-link:hover {
                color: #fff;
                background: rgba(255, 255, 255, 0.1);
            }

            .nav-link.active {
                background: rgba(255, 255, 255, 0.16);
                color: #fff;
                box-shadow: none;
            }

            .nav-btn {
                margin: 14px 0 0;
                background: linear-gradient(135deg, #F27238, #FF9654);
                border-radius: 14px;
                justify-content: center;
            }

            .nav-toggle {
                display: inline-flex;
                position: relative;
                z-index: 80;
            }

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

        @media (max-width: 767px) {
            .section-pad {
                padding: 60px 0;
            }

            .container-c {
                width: min(100% - 32px, 1200px);
            }

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

            .cat-hero {
                min-height: auto;
                padding: 56px 0 60px;
            }

            .cat-hero-desc {
                font-size: 15px;
            }

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

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

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

            .project-card.dark {
                grid-column: auto;
            }

            .project-card {
                padding: 30px 24px;
            }

            .intro-panel {
                position: static;
                max-width: 100%;
                margin-top: 16px;
                transform: none;
            }

            .intro-visual img {
                height: auto;
                min-height: 240px;
            }

            .timeline {
                padding-left: 48px;
            }

            .timeline::before {
                left: 16px;
            }

            .tl-node {
                left: -40px;
                width: 15px;
                height: 15px;
                top: 26px;
            }

            .timeline-item {
                padding: 22px 20px;
            }

            .cta-block {
                padding: 44px 24px;
                border-radius: 24px;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }

            .brand-name {
                font-size: 15px;
                letter-spacing: -0.01em;
            }

            .nav-btn {
                margin-left: 0;
            }

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

            .faq-question {
                padding: 18px 18px;
                font-size: 16px;
            }

            .faq-answer {
                padding: 0 18px 22px;
            }
        }

/* roulang page: article */
:root {
        --brand: #0e9f6f;
        --brand-deep: #0d6b4f;
        --brand-darker: #12372e;
        --brand-light: #ade0c3;
        --action: #f27238;
        --action-light: #ff9654;
        --page-bg: #f6f6f0;
        --card-bg: #ffffff;
        --ink: #1b2b26;
        --muted: #5c6f68;
        --line: #e8e9e2;
        --radius-lg: 22px;
        --radius: 16px;
        --shadow-card: 0 6px 24px rgba(18, 55, 46, 0.06);
        --shadow-hover: 0 12px 32px rgba(18, 55, 46, 0.12);
        --grad-brand: linear-gradient(135deg, #0d6b4f, #0e9f6f);
        --grad-action: linear-gradient(135deg, #f27238, #ff9654);
        --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", system-ui, -apple-system, sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-cn);
        background: var(--page-bg);
        color: var(--ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
    }

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

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

    button, input, select, textarea {
        font-family: inherit;
    }

    a:focus-visible,
    button:focus-visible {
        outline: 3px solid rgba(14, 159, 111, 0.35);
        outline-offset: 3px;
        border-radius: 6px;
    }

    .container-c {
        width: 100%;
        margin: 0 auto;
        padding-left: 16px;
        padding-right: 16px;
        max-width: 1240px;
    }

    @media (min-width: 768px) {
        .container-c {
            padding-left: 24px;
            padding-right: 24px;
        }
    }

    @media (min-width: 1180px) {
        .container-c {
            padding-left: 48px;
            padding-right: 48px;
        }
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 46px;
        padding: 12px 24px;
        border-radius: 14px;
        font-size: 15px;
        font-weight: 700;
        line-height: 1;
        border: 0;
        outline: none;
        cursor: pointer;
        transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
        letter-spacing: .01em;
    }

    .btn-primary {
        background: var(--grad-action);
        color: #fff;
        box-shadow: 0 8px 18px rgba(242, 114, 56, 0.22);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(242, 114, 56, 0.30);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 6px 14px rgba(242, 114, 56, 0.20);
    }

    .btn-outline {
        background: #fff;
        border: 1.5px solid var(--brand-deep);
        color: var(--brand-deep);
    }

    .btn-outline:hover {
        background: rgba(13, 107, 79, 0.08);
        box-shadow: 0 6px 16px rgba(13, 107, 79, 0.10);
    }

    .btn-outline:active {
        background: rgba(13, 107, 79, 0.14);
        transform: scale(.99);
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 80;
        background: rgba(255, 255, 255, 0.90);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(18, 55, 46, 0.08);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 76px;
    }

    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    .brand-mark {
        position: relative;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--grad-brand);
        flex-shrink: 0;
    }

    .brand-mark::before {
        content: "";
        position: absolute;
        inset: 6px;
        border-radius: 50%;
        border: 2px solid rgba(255, 255, 255, 0.92);
    }

    .brand-mark::after {
        content: "";
        position: absolute;
        width: 8px;
        height: 8px;
        border-radius: 999px;
        background: #fff;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        box-shadow: 0 0 0 4px rgba(14, 159, 111, 0.30);
    }

    .brand-text {
        display: flex;
        flex-direction: column;
        line-height: 1.1;
    }

    .brand-name {
        font-size: 19px;
        font-weight: 800;
        color: var(--brand-darker);
        letter-spacing: -0.02em;
    }

    .brand-sub {
        margin-top: 4px;
        font-size: 11px;
        letter-spacing: .22em;
        color: var(--muted);
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 42px;
        padding: 8px 16px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        color: var(--ink);
        transition: background .2s ease, color .2s ease;
        white-space: nowrap;
    }

    .nav-link:hover {
        color: #0b7c55;
        background: rgba(14, 159, 111, 0.08);
    }

    .nav-link.active {
        color: #0b7c55;
        background: rgba(14, 159, 111, 0.14);
        font-weight: 700;
    }

    .nav-btn {
        margin-left: 10px;
        padding: 0 22px;
        min-height: 42px;
        border-radius: 999px;
    }

    .burger {
        display: none;
        border: 0;
        background: transparent;
        flex-direction: column;
        gap: 5px;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        cursor: pointer;
    }

    .burger span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--brand-darker);
        border-radius: 999px;
        transition: transform .2s ease, opacity .2s ease;
    }

    @media (max-width: 1024px) {
        .burger {
            display: inline-flex;
        }

        .main-nav {
            position: absolute;
            left: 16px;
            right: 16px;
            top: calc(100% + 10px);
            flex-direction: column;
            align-items: stretch;
            display: none;
            gap: 4px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 14px;
            box-shadow: 0 18px 40px rgba(18, 55, 46, 0.14);
        }

        .main-nav.open {
            display: flex;
        }

        .nav-link {
            justify-content: flex-start;
            padding: 12px 16px;
            border-radius: 12px;
        }

        .nav-btn {
            margin: 12px 0 0;
            border-radius: 12px;
        }
    }

    .mobile-menu-backdrop {
        display: none;
    }

    @media (max-width: 1024px) {
        .main-nav.open+.mobile-menu-backdrop {
            display: block;
        }
    }

    .article-hero {
        background: linear-gradient(120deg, rgba(18, 55, 46, 0.96), rgba(13, 107, 79, 0.78)), url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
        padding: 56px 0 72px;
        position: relative;
        overflow: hidden;
    }

    .article-hero::after {
        content: "";
        position: absolute;
        right: -160px;
        top: -180px;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(173, 224, 195, 0.35), transparent 70%);
        pointer-events: none;
    }

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

    .article-hero-label {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 7px 16px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.14);
        border: 1px solid rgba(255, 255, 255, 0.18);
        color: #dff3e8;
        font-size: 13px;
        font-weight: 600;
        backdrop-filter: blur(4px);
    }

    .article-hero-label::before {
        content: "";
        width: 8px;
        height: 8px;
        border-radius: 999px;
        background: var(--action-light);
        box-shadow: 0 0 0 4px rgba(242, 114, 56, 0.28);
    }

    .article-crumb {
        margin-top: 18px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.78);
    }

    .article-crumb a {
        transition: color .2s ease;
    }

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

    .article-crumb .crumb-arrow {
        color: rgba(255, 255, 255, 0.45);
    }

    .article-crumb .current {
        color: #fff;
        font-weight: 700;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 300px;
    }

    .article-detail {
        max-width: 980px;
        margin: 0 auto;
        padding: 0 16px;
    }

    @media (min-width: 768px) {
        .article-detail {
            padding: 0 24px;
        }
    }

    .article-card {
        background: #fff;
        border: 1px solid rgba(18, 55, 46, 0.08);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 30px 22px 36px;
        margin: -36px auto 0;
        position: relative;
        z-index: 5;
    }

    @media (min-width: 768px) {
        .article-card {
            padding: 48px 60px 56px;
        }
    }

    .article-card-header {
        border-bottom: 1px solid var(--line);
        padding-bottom: 26px;
    }

    .article-head-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 18px;
    }

    .article-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(14, 159, 111, 0.12);
        color: #0b7c55;
        padding: 6px 14px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 700;
    }

    .article-tag .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--brand);
    }

    .post-title {
        font-size: clamp(28px, 4vw, 42px);
        line-height: 1.3;
        font-weight: 800;
        color: var(--brand-darker);
        letter-spacing: -0.025em;
        margin: 0 0 18px;
        word-break: break-word;
    }

    .post-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 22px;
        color: var(--muted);
        font-size: 14px;
        align-items: center;
    }

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

    .source-label {
        font-size: 13px;
        color: var(--muted);
    }

    .post-body {
        margin-top: 32px;
        color: #243832;
        font-size: 16px;
        line-height: 1.85;
    }

    @media (min-width: 768px) {
        .post-body {
            margin-top: 40px;
            font-size: 17px;
        }
    }

    .post-body h1,
    .post-body h2,
    .post-body h3,
    .post-body h4 {
        color: var(--brand-darker);
        font-weight: 800;
        line-height: 1.4;
        margin: 1.7em 0 0.7em;
        letter-spacing: -0.02em;
    }

    .post-body h2 {
        font-size: 26px;
        padding-left: 14px;
        border-left: 4px solid var(--brand);
        border-radius: 2px;
    }

    .post-body h3 {
        font-size: 21px;
    }

    .post-body p {
        margin-bottom: 1.5em;
    }

    .post-body ul,
    .post-body ol {
        margin: 0 0 1.5em;
        padding-left: 1.4em;
    }

    .post-body ul {
        list-style: disc;
    }

    .post-body ol {
        list-style: decimal;
    }

    .post-body li {
        margin-bottom: 0.5em;
    }

    .post-body blockquote {
        margin: 1.8em 0;
        padding: 16px 22px;
        border-left: 4px solid var(--brand);
        background: rgba(14, 159, 111, 0.06);
        border-radius: 0 14px 14px 0;
        color: var(--brand-darker);
        font-weight: 500;
    }

    .post-body img {
        border-radius: var(--radius);
        margin: 28px 0;
        width: auto;
        max-width: 100%;
        height: auto;
    }

    .post-body a {
        color: #0b7c55;
        text-decoration: underline;
        text-underline-offset: 3px;
        text-decoration-color: rgba(14, 159, 111, 0.35);
        transition: color .2s ease;
    }

    .post-body a:hover {
        color: var(--action);
    }

    .post-body pre {
        background: var(--brand-darker);
        color: #f0f7f3;
        padding: 18px;
        border-radius: 14px;
        overflow-x: auto;
        line-height: 1.6;
        font-size: 14px;
        margin: 24px 0;
    }

    .post-body code {
        background: rgba(13, 107, 79, 0.08);
        padding: 2px 6px;
        border-radius: 6px;
        font-size: 0.9em;
    }

    .post-body pre code {
        background: transparent;
        padding: 0;
    }

    .post-body table {
        display: block;
        width: 100%;
        overflow-x: auto;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 15px;
    }

    .post-body th,
    .post-body td {
        border: 1px solid var(--line);
        padding: 10px 12px;
        text-align: left;
    }

    .post-body th {
        background: rgba(14, 159, 111, 0.08);
        color: var(--brand-darker);
        font-weight: 700;
    }

    .post-endnote {
        margin-top: 40px;
        background: rgba(14, 159, 111, 0.06);
        border: 1px dashed rgba(14, 159, 111, 0.25);
        border-radius: var(--radius);
        padding: 18px 20px;
        color: var(--brand-darker);
        font-size: 14px;
        display: flex;
        gap: 10px;
        align-items: flex-start;
    }

    .post-endnote::before {
        content: "提 示";
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-top: 2px;
        background: var(--grad-brand);
        color: #fff;
        font-size: 12px;
        font-weight: 800;
        border-radius: 8px;
        padding: 4px 8px;
        flex-shrink: 0;
    }

    .post-bottombar {
        margin-top: 30px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .post-bottombar .btn {
        min-height: 42px;
        padding: 0 20px;
    }

    .post-empty {
        background: #fff;
        border: 1px dashed rgba(18, 55, 46, 0.18);
        border-radius: var(--radius-lg);
        text-align: center;
        padding: 56px 20px;
        margin: 40px 0 80px;
        box-shadow: var(--shadow-card);
    }

    .post-empty h1 {
        font-size: 28px;
        color: var(--brand-darker);
        margin-bottom: 18px;
    }

    .post-empty .btn {
        margin-top: 16px;
    }

    .post-empty .empty-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 20px;
        border-radius: 50%;
        background: rgba(14, 159, 111, 0.10);
        color: var(--brand);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 32px;
        font-weight: 800;
    }

    .related-shelf {
        margin: 64px auto 100px;
        max-width: 980px;
        padding: 0 16px;
    }

    @media (min-width: 768px) {
        .related-shelf {
            padding: 0 24px;
        }
    }

    .related-head {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: 20px;
        margin-bottom: 26px;
    }

    .related-title {
        font-size: 26px;
        font-weight: 800;
        color: var(--brand-darker);
        position: relative;
        letter-spacing: -0.02em;
    }

    .related-title::before {
        content: "";
        display: block;
        width: 40px;
        height: 4px;
        border-radius: 999px;
        background: var(--grad-brand);
        margin-bottom: 14px;
    }

    .related-hint {
        color: var(--muted);
        font-size: 14px;
    }

    .related-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    @media (min-width: 768px) {
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .related-card {
        background: #fff;
        border: 1px solid rgba(18, 55, 46, 0.08);
        border-radius: 20px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: transform .25s ease, box-shadow .25s ease;
    }

    .related-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
    }

    .related-card-cover {
        position: relative;
        aspect-ratio: 16 / 8;
        overflow: hidden;
        background: var(--brand-deep);
    }

    .related-card-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .35s ease;
    }

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

    .related-card-cover::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(0deg, rgba(18, 55, 46, 0.25), transparent 55%);
    }

    .related-card-body {
        padding: 22px 24px 26px;
    }

    .related-card-title {
        font-size: 20px;
        font-weight: 800;
        color: var(--brand-darker);
        margin-bottom: 8px;
    }

    .related-card-desc {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 18px;
    }

    .related-card-more {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 700;
        color: #0b7c55;
        transition: color .2s ease, gap .2s ease;
    }

    .related-card-more:hover {
        color: var(--action);
        gap: 10px;
    }

    .cta-strip {
        border-radius: 24px;
        margin: 0 0 96px;
        padding: 44px 28px;
        background: linear-gradient(118deg, #0d4f3b, #0e9f6f);
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .cta-strip::before {
        content: "";
        position: absolute;
        right: -80px;
        top: -120px;
        width: 300px;
        height: 300px;
        border: 60px solid rgba(255, 255, 255, 0.10);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-strip-inner {
        position: relative;
        z-index: 2;
        max-width: 980px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 22px;
    }

    .cta-strip h2 {
        font-size: 24px;
        font-weight: 800;
        margin-bottom: 8px;
        letter-spacing: -0.02em;
    }

    .cta-strip p {
        color: rgba(255, 255, 255, 0.82);
        font-size: 15px;
    }

    .site-footer {
        background: var(--brand-darker);
        color: rgba(255, 255, 255, 0.75);
        padding: 56px 0 0;
        border-radius: 34px 34px 0 0;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
        padding-bottom: 40px;
    }

    @media (min-width: 768px) {
        .footer-top {
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
        }
    }

    .footer-brand strong {
        display: block;
        font-size: 22px;
        margin-bottom: 14px;
        color: #fff;
        letter-spacing: -0.02em;
    }

    .footer-brand p {
        color: rgba(255, 255, 255, 0.6);
        font-size: 14px;
        max-width: 300px;
    }

    .footer-col-title {
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 16px;
    }

    .footer-col {
        display: flex;
        flex-direction: column;
        gap: 10px;
        font-size: 14px;
    }

    .footer-col a {
        color: rgba(255, 255, 255, 0.68);
        transition: color .2s ease;
    }

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

    .footer-contact {
        display: flex;
        flex-direction: column;
        gap: 10px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.68);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding: 18px 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.48);
    }

/* roulang page: category2 */
/* ========== 设计变量与基础重置 ========== */
        :root {
            --brand: #0E9F6F;
            --brand-dark: #0D6B4F;
            --pine: #12372E;
            --action: #F27238;
            --mint: #ADE0C3;
            --cream: #F6F6F0;
            --ink: #1B2B26;
            --slate: #5C6F68;
            --line: #E8E9E2;
            --white: #FFFFFF;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 6px 24px rgba(18, 55, 46, 0.06);
            --shadow-hover: 0 16px 36px rgba(18, 55, 46, 0.12);
            --shadow-orange: 0 12px 20px rgba(242, 114, 56, 0.28);
            --grad-green: linear-gradient(135deg, #0D6B4F 0%, #0E9F6F 100%);
            --grad-green-light: linear-gradient(135deg, #0E9F6F 0%, #63D6A4 100%);
            --grad-orange: linear-gradient(135deg, #F27238 0%, #FF9654 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", system-ui, sans-serif;
            background: var(--cream);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea,
        select {
            font-family: inherit;
        }

        *:focus-visible {
            outline: 3px solid rgba(14, 159, 111, 0.45);
            outline-offset: 2px;
            border-radius: 6px;
        }

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

        /* ========== 通用按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            padding: 14px 26px;
            border-radius: 14px;
            transition: all 0.25s ease;
            text-align: center;
            min-height: 46px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--grad-orange);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242, 114, 56, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-orange);
            filter: brightness(1.04);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 6px 10px rgba(242, 114, 56, 0.18);
        }

        .btn-ghost {
            background: var(--white);
            color: var(--brand-dark);
            border: 1.5px solid var(--brand);
        }

        .btn-ghost:hover {
            background: rgba(14, 159, 111, 0.08);
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(14, 159, 111, 0.1);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        /* ========== Header导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(246, 246, 240, 0.92);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(18, 55, 46, 0.06);
            transition: box-shadow 0.3s ease;
        }

        body.scrolled .site-header {
            box-shadow: 0 8px 24px rgba(18, 55, 46, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 16px;
        }

        .brand {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .brand-inner {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--grad-green);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            letter-spacing: -0.02em;
            box-shadow: 0 4px 12px rgba(14, 159, 111, 0.28);
        }

        .brand-text {
            font-weight: 800;
            font-size: 19px;
            color: var(--pine);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            transition: all 0.2s ease;
        }

        .nav-link:hover {
            background: rgba(14, 159, 111, 0.08);
            color: var(--brand-dark);
        }

        .nav-link.active {
            background: rgba(14, 159, 111, 0.14);
            color: var(--brand-dark);
            font-weight: 700;
        }

        .nav-btn {
            padding: 12px 22px;
            border-radius: 999px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            background: rgba(14, 159, 111, 0.08);
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--pine);
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        /* ========== 通用区块标题 ========== */
        .section {
            padding: 90px 0;
        }

        .section-tight {
            padding: 64px 0;
        }

        .section-head {
            margin-bottom: 44px;
            max-width: 760px;
        }

        .section-head-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(14, 159, 111, 0.1);
            color: var(--brand-dark);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--pine);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head .head-line {
            display: block;
            width: 48px;
            height: 4px;
            border-radius: 999px;
            background: var(--grad-green);
            margin: 18px 0 16px;
        }

        .section-head-center .head-line {
            margin-left: auto;
            margin-right: auto;
        }

        .section-head p {
            color: var(--slate);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ========== 分类页Banner ========== */
        .cat-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--pine);
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.32;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(18, 55, 46, 0.95) 0%, rgba(18, 55, 46, 0.72) 45%, rgba(18, 55, 46, 0.25) 100%);
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            min-height: 420px;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .cat-hero-copy {
            max-width: 700px;
        }

        .cat-hero-tag {
            display: inline-flex;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(173, 224, 195, 0.18);
            color: #E8F7EF;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            border: 1px solid rgba(173, 224, 195, 0.28);
            margin-bottom: 22px;
        }

        .cat-hero-copy h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .cat-hero-copy h1 span {
            background: linear-gradient(120deg, #ADE0C3 0%, #F8FFE9 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cat-hero-desc {
            color: rgba(255, 255, 255, 0.86);
            font-size: 17px;
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 32px;
        }

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

        .cat-hero-actions .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .cat-hero-actions .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ========== 简介/综述 ========== */
        .overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .overview-media {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .overview-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: 24px;
        }

        .overview-list {
            display: grid;
            gap: 14px;
            margin-top: 22px;
        }

        .overview-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid rgba(18, 55, 46, 0.07);
            border-radius: 16px;
            padding: 14px 16px;
            box-shadow: 0 4px 12px rgba(18, 55, 46, 0.04);
        }

        .overview-item-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(14, 159, 111, 0.12);
            color: var(--brand-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .overview-item strong {
            display: block;
            font-size: 15px;
            color: var(--pine);
            margin-bottom: 2px;
        }

        .overview-item p {
            font-size: 14px;
            color: var(--slate);
            line-height: 1.7;
        }

        /* ========== 赛事门类卡片 ========== */
        .types-section {
            background: #fff;
        }

        .types-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .type-card {
            position: relative;
            background: var(--cream);
            border: 1px solid rgba(18, 55, 46, 0.07);
            border-radius: var(--radius-lg);
            padding: 28px 24px 26px;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .type-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            background: #fff;
        }

        .type-card-feature {
            background: var(--grad-green);
            color: #fff;
        }

        .type-card-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 42px rgba(14, 159, 111, 0.24);
        }

        .type-card-num {
            font-size: 15px;
            font-weight: 800;
            letter-spacing: 0.08em;
            margin-bottom: 18px;
            color: var(--brand-dark);
            opacity: 0.7;
        }

        .type-card-feature .type-card-num {
            color: rgba(255, 255, 255, 0.75);
        }

        .type-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--pine);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .type-card-feature h3 {
            color: #fff;
        }

        .type-card p {
            font-size: 14px;
            color: var(--slate);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .type-card-feature p {
            color: rgba(255, 255, 255, 0.85);
        }

        .type-card-meta {
            display: inline-flex;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-dark);
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(14, 159, 111, 0.1);
        }

        .type-card-feature .type-card-meta {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        /* ========== 参赛流程 ========== */
        .flow-section {
            background: var(--cream);
        }

        .flow-list {
            list-style: none;
            display: grid;
            gap: 14px;
            max-width: 900px;
        }

        .flow-item {
            display: flex;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid rgba(18, 55, 46, 0.06);
            box-shadow: 0 4px 14px rgba(18, 55, 46, 0.03);
            align-items: flex-start;
            transition: all 0.25s ease;
        }

        .flow-item:hover {
            border-color: rgba(14, 159, 111, 0.3);
            box-shadow: var(--shadow-card);
        }

        .flow-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 12px;
            background: var(--grad-green);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            box-shadow: 0 6px 12px rgba(14, 159, 111, 0.2);
        }

        .flow-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--pine);
            margin-bottom: 4px;
        }

        .flow-item p {
            font-size: 15px;
            color: var(--slate);
            line-height: 1.75;
        }

        /* ========== 信息亮点 ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 20px;
        }

        .highlight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(18, 55, 46, 0.07);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .highlight-card-main {
            background: var(--pine);
            color: #fff;
        }

        .highlight-card-main:hover {
            box-shadow: 0 20px 46px rgba(18, 55, 46, 0.28);
        }

        .highlight-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: rgba(14, 159, 111, 0.14);
            color: var(--brand-dark);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .highlight-card-main .highlight-icon {
            background: rgba(255, 255, 255, 0.14);
            color: #F8FFE9;
        }

        .highlight-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--pine);
        }

        .highlight-card-main h3 {
            color: #fff;
        }

        .highlight-card p {
            font-size: 14px;
            color: var(--slate);
            line-height: 1.75;
        }

        .highlight-card-main p {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid rgba(18, 55, 46, 0.08);
            border-radius: 16px;
            background: var(--cream);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.25s ease;
        }

        .faq-item[open] {
            box-shadow: var(--shadow-card);
            background: #fff;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--pine);
            transition: color 0.2s;
        }

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

        .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(14, 159, 111, 0.14);
            color: var(--brand-dark);
            font-size: 18px;
            font-weight: 500;
            transition: transform 0.3s ease;
        }

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

        .faq-item .faq-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--slate);
            line-height: 1.85;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            background: var(--cream);
        }

        .cta-panel {
            background: var(--grad-green);
            border-radius: 28px;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            box-shadow: 0 24px 60px rgba(14, 159, 111, 0.24);
        }

        .cta-info {
            padding: 52px 48px;
            color: #fff;
        }

        .cta-info .eyebrow {
            background: rgba(255, 255, 255, 0.14);
            color: #F8FFE9;
        }

        .cta-info h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .cta-info p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .cta-contact {
            display: grid;
            gap: 12px;
        }

        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.92);
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 16px;
            border-radius: 12px;
            backdrop-filter: blur(6px);
        }

        .cta-contact-item svg {
            flex-shrink: 0;
        }

        .cta-form-wrap {
            background: #fff;
            padding: 52px 48px;
            border-radius: 28px 0 0 28px;
        }

        .cta-form-wrap h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--pine);
            margin-bottom: 6px;
        }

        .cta-form-wrap .form-tip {
            font-size: 14px;
            color: var(--slate);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--pine);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--line);
            border-radius: 12px;
            font-size: 15px;
            color: var(--ink);
            background: var(--cream);
            transition: all 0.2s ease;
            line-height: 1.6;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--brand);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(14, 159, 111, 0.12);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-success {
            display: none;
            margin-top: 16px;
            padding: 14px 18px;
            border-radius: 12px;
            background: rgba(14, 159, 111, 0.1);
            color: var(--brand-dark);
            font-size: 14px;
            font-weight: 600;
        }

        /* ========== 二次CTA横条 ========== */
        .banner-cta {
            background: var(--pine);
            border-radius: 24px;
            padding: 48px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            overflow: hidden;
            position: relative;
        }

        .banner-cta::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(14, 159, 111, 0.3);
            filter: blur(50px);
        }

        .banner-cta h3 {
            font-size: 26px;
            color: #fff;
            font-weight: 800;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .banner-cta p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0C2A22;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 44px;
        }

        .footer-brand strong {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.62);
            max-width: 320px;
        }

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

        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.2s;
        }

        .footer-col a:hover {
            color: #F8FFE9;
            padding-left: 4px;
        }

        .footer-contact {
            display: grid;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 76px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                background: var(--pine);
                padding: 24px 18px;
                border-radius: 20px;
                box-shadow: 0 24px 50px rgba(18, 55, 46, 0.3);
                display: none;
                z-index: 60;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                display: block;
                color: rgba(255, 255, 255, 0.8);
                padding: 14px 16px;
                border-radius: 12px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                font-size: 16px;
            }

            .nav-link.active,
            .nav-link:hover {
                background: rgba(14, 159, 111, 0.3);
                color: #fff;
            }

            .nav-btn {
                background: var(--grad-orange);
                color: #fff;
                margin-top: 12px;
                text-align: center;
                justify-content: center;
            }

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

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

            .highlight-card-main {
                grid-column: span 1;
            }

            .overview-grid,
            .cta-panel {
                grid-template-columns: 1fr;
            }

            .cta-form-wrap {
                border-radius: 28px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .container-c {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 66px;
            }

            .main-nav {
                top: 66px;
            }

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

            .cat-hero-inner,
            .cat-hero {
                min-height: 380px;
            }

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

            .cat-hero-desc {
                font-size: 15px;
            }

            .overview-grid {
                gap: 32px;
            }

            .overview-media img {
                height: 300px;
            }

            .section-head h2 {
                font-size: 28px;
            }

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

            .type-card {
                padding: 20px 18px;
            }

            .type-card h3 {
                font-size: 17px;
            }

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

            .flow-item {
                flex-wrap: wrap;
            }

            .cta-info,
            .cta-form-wrap {
                padding: 36px 24px;
            }

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

            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 48px 0;
            }

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

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

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

            .cta-contact-item {
                font-size: 13px;
            }

            .banner-cta {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

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

            .footer-brand {
                grid-column: span 1;
            }

            .footer-bottom {
                flex-direction: column;
            }
        }