/* roulang page: index */
:root {
        --basebg: #0B0F09;
        --subbg: #121711;
        --panel: #1A2119;
        --line: rgba(255,255,255,0.08);
        --accent: #C9F24A;
        --accent2: #FF5A36;
        --textmain: #F4F7EC;
        --textsub: #B7C0AC;
        --textweak: #7C866E;
        --paper: #F5F3EA;
        --papertext: #1B2017;
        --radius: 16px;
        --radius-lg: 20px;
    }
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: "Apple SD Gothic Neo", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background-color: var(--basebg);
        color: var(--textmain);
        font-size: 17px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color .25s ease;
    }
    button, input, textarea, select {
        font-family: inherit;
        font-size: inherit;
    }
    a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
        outline: 2px solid var(--accent2);
        outline-offset: 2px;
    }
    .container {
        width: min(1240px, 92%);
        margin-inline: auto;
    }
    .container-narrow {
        width: min(960px, 92%);
        margin-inline: auto;
    }
    .eyebrow {
        font-size: 14px;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--accent);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .eyebrow::before {
        content: "";
        width: 28px;
        height: 1.5px;
        background-color: var(--accent);
        display: inline-block;
    }
    .h1-title {
        font-size: clamp(2rem, 5vw, 3.5rem);
        line-height: 1.2;
        font-weight: 800;
        letter-spacing: -0.01em;
    }
    .h2-title {
        font-size: clamp(1.65rem, 3.5vw, 2.6rem);
        line-height: 1.3;
        font-weight: 700;
        letter-spacing: -0.01em;
    }
    .h3-title {
        font-size: clamp(1.25rem, 2vw, 1.5rem);
        font-weight: 700;
        line-height: 1.4;
    }
    .section-gap {
        padding-top: clamp(4.5rem, 8vw, 7rem);
        padding-bottom: clamp(4.5rem, 8vw, 7rem);
    }
    .text-sub {
        color: var(--textsub);
    }
    .text-weak {
        color: var(--textweak);
    }
    .mono-num {
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        font-variant-numeric: tabular-nums;
        letter-spacing: -0.02em;
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        background-color: rgba(11, 15, 9, 0.88);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--line);
        transition: background-color .3s;
    }
    .site-header.is-scrolled {
        background-color: rgba(11, 15, 9, 0.97);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 76px;
    }
    .logo-text {
        font-size: 20px;
        font-weight: 800;
        color: var(--textmain);
        letter-spacing: -0.01em;
        white-space: nowrap;
    }
    .logo-text .logo-accent {
        color: var(--accent);
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .nav-menu a {
        display: inline-block;
        padding: 9px 18px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 500;
        color: var(--textsub);
        line-height: 1.5;
        transition: all .2s;
        white-space: nowrap;
    }
    .nav-menu a:hover {
        color: var(--textmain);
        background-color: rgba(255,255,255,0.05);
    }
    .nav-menu a.active {
        color: var(--accent);
        background-color: rgba(201,242,74,0.08);
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 9px 20px;
        border-radius: 999px;
        background-color: var(--accent);
        color: #0B0F09;
        font-size: 14px;
        font-weight: 700;
        line-height: 1.5;
        margin-left: 8px;
        white-space: nowrap;
        transition: all .2s;
    }
    .nav-cta:hover {
        background-color: #d9fa68;
        color: #0B0F09;
        transform: translateY(-1px);
    }
    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        border: 1px solid var(--line);
        background: transparent;
        color: var(--textmain);
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }
    .nav-toggle svg {
        width: 22px;
        height: 22px;
    }
    @media (max-width: 1023px) {
        .nav-toggle {
            display: inline-flex;
        }
        .nav-menu {
            display: none;
            position: absolute;
            top: 76px;
            left: 0;
            right: 0;
            background-color: #0F130D;
            border-bottom: 1px solid var(--line);
            padding: 18px 4%;
            flex-direction: column;
            align-items: stretch;
            gap: 6px;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            display: block;
            padding: 13px 16px;
            border-radius: 10px;
        }
        .nav-cta {
            display: none;
        }
    }

    /* ===== Button ===== */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 50px;
        padding: 0 30px;
        background-color: var(--accent);
        color: #0B0F09;
        font-size: 16px;
        font-weight: 700;
        border-radius: 10px;
        border: none;
        cursor: pointer;
        line-height: 1.6;
        transition: all .2s;
        white-space: nowrap;
        min-height: 48px;
    }
    .btn-primary:hover {
        background-color: #d9fa68;
        box-shadow: 0 4px 20px rgba(201,242,74,0.18);
        transform: translateY(-1px);
    }
    .btn-primary:active {
        transform: translateY(0px);
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 50px;
        padding: 0 30px;
        background: transparent;
        color: var(--accent);
        font-size: 16px;
        font-weight: 600;
        border-radius: 10px;
        border: 1px solid var(--accent);
        cursor: pointer;
        line-height: 1.6;
        transition: all .2s;
        white-space: nowrap;
        min-height: 48px;
    }
    .btn-secondary:hover {
        background-color: rgba(201,242,74,0.1);
    }
    .btn-secondary:active {
        transform: translateY(0px);
    }

    /* ===== Card ===== */
    .card-panel {
        background-color: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        transition: border-color .25s ease, transform .25s ease;
    }
    .card-panel:hover {
        border-color: rgba(201,242,74,0.3);
        transform: translateY(-3px);
    }

    /* ===== Tag / Badge ===== */
    .tag {
        display: inline-flex;
        align-items: center;
        padding: 4px 12px;
        border-radius: 999px;
        background-color: rgba(201,242,74,0.08);
        border: 1px solid rgba(201,242,74,0.3);
        color: var(--accent);
        font-size: 13px;
        line-height: 1.4;
        font-weight: 600;
    }
    .tag-warm {
        border-color: rgba(255,90,54,0.4);
        background-color: rgba(255,90,54,0.08);
        color: #ff8a6e;
    }

    /* ===== Hero ===== */
    .hero-section {
        position: relative;
        padding-top: 76px;
        min-height: 100vh;
        display: flex;
        align-items: center;
        background-color: var(--basebg);
        overflow: hidden;
        background-image: url(/assets/images/backpic/back-1.webp);
        background-size: cover;
        background-position: center;
    }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(11,15,9,0.97) 25%, rgba(11,15,9,0.72) 60%, rgba(11,15,9,0.5) 100%);
    }
    .hero-overlay-2 {
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 70% 50%, transparent 0%, rgba(11,15,9,0.4) 80%);
    }
    .hero-gridline {
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(201,242,74,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(201,242,74,0.04) 1px, transparent 1px);
        background-size: 60px 60px;
        z-index: 1;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 60px;
        align-items: center;
        padding-top: 60px;
        padding-bottom: 80px;
        width: min(1330px, 92%);
        margin-inline: auto;
    }
    .hero-copy {
        padding-right: 10px;
    }
    .hero-copy .hero-title {
        font-size: clamp(2.1rem, 5.5vw, 4rem);
        line-height: 1.2;
        font-weight: 800;
        margin-top: 18px;
        letter-spacing: -0.02em;
    }
    .hero-copy .hero-title .keyword-highlight {
        color: var(--accent);
        display: inline;
        position: relative;
    }
    .hero-copy .hero-title span {
        display: block;
    }
    .hero-copy .hero-subtitle {
        margin-top: 22px;
        font-size: 17px;
        line-height: 1.9;
        color: var(--textsub);
        max-width: 540px;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        margin-top: 36px;
        flex-wrap: wrap;
    }
    .hero-note {
        margin-top: 28px;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: var(--textweak);
        background: rgba(255,255,255,0.04);
        border-radius: 999px;
        padding: 6px 16px;
        border: 1px solid var(--line);
    }
    .hero-note .status-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: var(--accent);
        display: inline-block;
        animation: pulseDot 2s infinite;
    }
    @keyframes pulseDot {
        0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(201,242,74,0.4); }
        50% { opacity: 0.6; box-shadow: 0 0 0 5px rgba(201,242,74,0); }
    }
    .hero-card-area {
        display: flex;
        justify-content: flex-end;
    }
    .monitor-card {
        background: rgba(18,23,17,0.9);
        border: 1px solid rgba(201,242,74,0.15);
        border-radius: var(--radius-lg);
        padding: 24px;
        width: 100%;
        max-width: 420px;
        backdrop-filter: blur(4px);
    }
    .monitor-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid var(--line);
        padding-bottom: 16px;
        margin-bottom: 20px;
    }
    .monitor-header .monitor-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--textsub);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .monitor-header .monitor-label i {
        width: 8px;
        height: 8px;
        border-radius: 2px;
        background-color: var(--accent);
        display: inline-block;
    }
    .monitor-header .monitor-time {
        font-family: ui-monospace, monospace;
        font-size: 12px;
        color: var(--textweak);
        white-space: nowrap;
    }
    .monitor-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.04);
    }
    .monitor-row:last-child {
        border-bottom: none;
    }
    .monitor-row .m-label {
        font-size: 14px;
        color: var(--textsub);
    }
    .monitor-row .m-value {
        font-family: ui-monospace, monospace;
        font-size: 18px;
        font-weight: 800;
        color: var(--accent);
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .monitor-row .m-value .trend-up {
        font-size: 12px;
        color: var(--accent);
        background: rgba(201,242,74,0.1);
        padding: 2px 6px;
        border-radius: 4px;
    }
    .monitor-footer {
        display: flex;
        justify-content: space-between;
        padding-top: 16px;
        font-size: 12px;
        color: var(--textweak);
    }
    @media (max-width: 1023px) {
        .hero-content {
            grid-template-columns: 1fr;
            gap: 34px;
        }
        .hero-card-area {
            justify-content: flex-start;
        }
    }
    @media (max-width: 640px) {
        .hero-section {
            padding-top: 60px;
        }
        .hero-actions {
            flex-direction: column;
            align-items: flex-start;
        }
        .hero-actions .btn-primary,
        .hero-actions .btn-secondary {
            width: 100%;
        }
    }

    /* ===== 指标条 ===== */
    .stats-strip {
        background-color: var(--subbg);
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        border-left: 1px solid var(--line);
    }
    .stat-item {
        padding: 28px 30px;
        border-right: 1px solid var(--line);
        position: relative;
    }
    .stat-item .stat-label {
        font-size: 14px;
        color: var(--textweak);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .stat-item .stat-label::before {
        content: "";
        width: 4px;
        height: 4px;
        background-color: var(--accent);
        border-radius: 50%;
        display: inline-block;
    }
    .stat-item .stat-value {
        font-size: clamp(1.9rem, 3vw, 2.6rem);
        font-weight: 800;
        margin-top: 8px;
        color: var(--textmain);
        letter-spacing: -0.02em;
        font-family: ui-monospace, monospace;
        line-height: 1.2;
        display: flex;
        align-items: baseline;
        gap: 4px;
    }
    .stat-item .stat-value .stat-unit {
        font-size: 15px;
        font-weight: 500;
        color: var(--textweak);
        font-family: system-ui;
    }
    .stat-item .stat-sub {
        font-size: 13px;
        color: var(--textweak);
        margin-top: 6px;
        line-height: 1.6;
    }
    @media (max-width: 768px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stat-item {
            padding: 20px 18px;
        }
    }
    @media (max-width: 480px) {
        .stats-grid {
            grid-template-columns: 1fr 1fr;
        }
        .stat-item {
            padding: 18px 14px;
        }
        .stat-item .stat-value {
            font-size: 1.7rem;
        }
    }

    /* ===== 仪表盘 ===== */
    .dashboard-section {
        background-color: var(--basebg);
        position: relative;
    }
    .dashboard-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        gap: 24px;
        margin-bottom: 40px;
        flex-wrap: wrap;
    }
    .dashboard-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .kpi-card {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 26px;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .kpi-card .kpi-head {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .kpi-card .kpi-head .kpi-name {
        font-size: 14px;
        color: var(--textsub);
        font-weight: 500;
    }
    .kpi-card .kpi-value {
        font-size: 42px;
        font-weight: 800;
        font-family: ui-monospace, monospace;
        letter-spacing: -0.03em;
        line-height: 1.2;
        color: var(--textmain);
        display: flex;
        align-items: baseline;
        gap: 5px;
    }
    .kpi-card .kpi-value .unit {
        font-size: 16px;
        font-weight: 500;
        color: var(--textweak);
        font-family: system-ui;
    }
    .kpi-card .kpi-value .delta {
        font-size: 12px;
        font-weight: 600;
        color: var(--accent);
        background: rgba(201,242,74,0.1);
        padding: 3px 8px;
        border-radius: 6px;
        letter-spacing: 0;
    }
    .kpi-card .kpi-value .delta.down {
        color: var(--accent2);
        background: rgba(255,90,54,0.1);
    }
    .kpi-card .progress-track {
        height: 6px;
        border-radius: 999px;
        background: rgba(255,255,255,0.08);
        overflow: hidden;
    }
    .kpi-card .progress-fill {
        height: 100%;
        border-radius: 999px;
        background-color: var(--accent);
        width: 0%;
    }
    .kpi-card .kpi-note {
        display: flex;
        justify-content: space-between;
        font-size: 12px;
        color: var(--textweak);
    }
    .sparkline {
        width: 100%;
        height: 28px;
    }
    @media (max-width: 1024px) {
        .dashboard-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 640px) {
        .dashboard-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ===== Section header ===== */
    .section-head {
        margin-bottom: 48px;
        max-width: 820px;
    }
    .section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .section-head .head-desc {
        color: var(--textsub);
        font-size: 17px;
        margin-top: 18px;
        line-height: 1.9;
    }

    /* ===== Bento ===== */
    .service-section {
        background-color: var(--subbg);
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }
    .bento-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: 100px;
        gap: 20px;
    }
    .bento-card {
        border-radius: var(--radius);
        overflow: hidden;
        position: relative;
        background: var(--panel);
        border: 1px solid var(--line);
        padding: 28px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        transition: border-color .25s ease, transform .25s ease;
    }
    .bento-card:hover {
        border-color: rgba(201,242,74,0.3);
        transform: translateY(-3px);
    }
    .bento-card .b-card-label {
        font-size: 13px;
        font-weight: 600;
        color: var(--accent);
        letter-spacing: 0.06em;
    }
    .bento-card .b-card-title {
        font-size: 21px;
        font-weight: 700;
        line-height: 1.4;
        margin-top: 8px;
        color: var(--textmain);
    }
    .bento-card .b-card-desc {
        font-size: 14px;
        color: var(--textsub);
        margin-top: 10px;
        line-height: 1.7;
        max-width: 360px;
    }
    .bento-card .b-arrow {
        margin-top: 14px;
        color: var(--accent);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
    }
    .b-card-img {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        z-index: 0;
    }
    .b-card-img~.b-content,
    .b-card-img~.b-content-top {
        position: relative;
        z-index: 2;
    }
    .b-card-img::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11,15,9,0.2) 0%, rgba(11,15,9,0.7) 100%);
    }
    .bento-card .b-content-top {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        position: relative;
        z-index: 2;
        flex: 1;
    }
    .bento-card .b-content-bottom {
        position: relative;
        z-index: 2;
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
    }
    .bento-card.stat-card .stat-trend-line {
        font-family: ui-monospace, monospace;
        font-size: 13px;
        display: flex;
        gap: 2px;
        color: var(--accent);
        letter-spacing: 2px;
    }

    .bento-large-lg {
        grid-column: span 2;
        grid-row: span 2;
    }
    .bento-half-h {
        grid-column: auto;
        grid-row: span 1;
        height: 100%;
    }
    .bento-low {
        grid-column: span 1;
        grid-row: span 1;
    }
    @media (max-width: 1024px) {
        .bento-grid {
            grid-template-columns: repeat(2, 1fr);
            grid-auto-rows: 120px;
        }
        .bento-large-lg {
            grid-column: span 2;
            grid-row: span 2;
        }
    }
    @media (max-width: 640px) {
        .bento-grid {
            grid-template-columns: 1fr;
            grid-auto-rows: auto;
        }
        .bento-large-lg {
            grid-column: span 1;
            grid-row: auto;
            min-height: 320px;
        }
        .bento-card {
            min-height: 200px;
        }
    }

    /* ===== 结果对比 ===== */
    .compare-section {
        background-color: var(--paper);
        color: var(--papertext);
        border-top: 1px solid rgba(0,0,0,0.05);
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    .compare-section .section-head .head-desc {
        color: #4d5545;
    }
    .compare-section .eyebrow {
        color: #3d4410;
    }
    .compare-section .eyebrow::before {
        background-color: #3d4410;
    }
    .compare-section .h2-title {
        color: var(--papertext);
    }
    .compare-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }
    .compare-visual-wrap {
        background-color: #FFFDF5;
        border-radius: var(--radius-lg);
        padding: 40px 36px;
        border: 1px solid rgba(0,0,0,0.08);
    }
    .compare-visual-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--papertext);
        margin-bottom: 28px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .compare-visual-title .muted {
        font-size: 13px;
        color: #79806e;
        font-weight: 400;
    }
    .compare-bars {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    .compare-bar-row {
        display: grid;
        grid-template-columns: 100px 1fr;
        gap: 14px;
        align-items: center;
    }
    .compare-bar-row .bar-label {
        font-size: 14px;
        color: #3c422f;
        font-weight: 600;
    }
    .compare-bar-row .bar-track {
        height: 12px;
        background-color: rgba(0,0,0,0.06);
        border-radius: 999px;
        overflow: hidden;
    }
    .compare-bar-row .bar-track .bar-fill {
        height: 100%;
        border-radius: 999px;
        background: #8a9a32;
        width: 0;
        transition: width 1s ease;
    }
    .compare-text-list {
        list-style: none;
    }
    .compare-text-list li {
        padding: 18px 0;
        border-bottom: 1px solid rgba(0,0,0,0.08);
        display: flex;
        gap: 14px;
        align-items: flex-start;
    }
    .compare-text-list li:last-child {
        border-bottom: none;
    }
    .compare-text-list li .idx {
        font-family: ui-monospace, monospace;
        font-weight: 700;
        color: #6a7a1f;
        min-width: 26px;
        font-size: 15px;
        margin-top: 2px;
    }
    .compare-text-list li .content h4 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 5px;
        color: var(--papertext);
    }
    .compare-text-list li .content p {
        font-size: 15px;
        color: #4d5545;
        line-height: 1.7;
    }
    @media (max-width: 900px) {
        .compare-layout {
            grid-template-columns: 1fr;
            gap: 40px;
        }
    }

    /* ===== 最新信息 ===== */
    .news-section {
        background-color: var(--basebg);
    }
    .news-layout {
        display: grid;
        grid-template-columns: 1.1fr 1fr;
        gap: 24px;
    }
    .news-featured {
        background-color: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        transition: border-color .25s ease, transform .25s ease;
    }
    .news-featured:hover {
        border-color: rgba(201,242,74,0.3);
        transform: translateY(-3px);
    }
    .news-featured-image {
        width: 100%;
        aspect-ratio: 16/10;
        object-fit: cover;
        background-color: var(--panel);
    }
    .news-featured-body {
        padding: 26px;
        display: flex;
        flex-direction: column;
        gap: 12px;
        flex: 1;
    }
    .news-featured-body .news-title {
        font-size: 21px;
        font-weight: 700;
        line-height: 1.4;
        color: var(--textmain);
    }
    .news-featured-body .news-desc {
        color: var(--textsub);
        font-size: 15px;
        line-height: 1.8;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--textweak);
    }
    .news-list-side {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .newsitem-card {
        display: flex;
        gap: 18px;
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 20px;
        align-items: flex-start;
        transition: border-color .25s ease, background-color .25s ease;
    }
    .newsitem-card:hover {
        border-color: rgba(201,242,74,0.25);
        background-color: #1d2519;
    }
    .newsitem-card .newsindex-img {
        width: 64px;
        height: 64px;
        border-radius: 10px;
        object-fit: cover;
        flex-shrink: 0;
        background-color: var(--subbg);
    }
    .newsitem-card .newsitem-content {
        flex: 1;
        min-width: 0;
    }
    .newsitem-card .newsitem-title {
        font-size: 15px;
        font-weight: 600;
        line-height: 1.6;
        color: var(--textmain);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        transition: color .2s;
    }
    .newsitem-card .newsitem-title:hover {
        color: var(--accent);
    }
    .newsitem-card .newsitem-desc {
        font-size: 13px;
        color: var(--textweak);
        line-height: 1.6;
        margin-top: 6px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .newsitem-card .news-meta {
        margin-top: 9px;
        gap: 8px;
        font-size: 12px;
    }
    .news-empty {
        background: var(--panel);
        border: 1px dashed rgba(201,242,74,0.2);
        border-radius: var(--radius-lg);
        padding: 48px 32px;
        text-align: center;
        color: var(--textweak);
        font-size: 17px;
        line-height: 2;
    }
    @media (max-width: 960px) {
        .news-layout {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 640px) {
        .newsitem-card {
            flex-direction: column;
            gap: 12px;
        }
        .newsitem-card .newsindex-img {
            width: 100%;
            height: 140px;
            object-position: center;
        }
    }

    /* ===== FAQ ===== */
    .faq-section {
        background-color: var(--subbg);
        border-top: 1px solid var(--line);
    }
    .faq-wrap {
        max-width: 800px;
        margin-inline: auto;
    }
    .faq-item {
        background-color: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        margin-bottom: 14px;
        overflow: hidden;
        transition: border-color .25s ease;
    }
    .faq-item.open {
        border-color: rgba(201,242,74,0.25);
    }
    .faq-item .faq-q {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 22px 26px;
        cursor: pointer;
        user-select: none;
        gap: 14px;
        font-weight: 600;
        font-size: 16px;
        color: var(--textmain);
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        line-height: 1.6;
        transition: color .2s;
    }
    .faq-item .faq-q:hover {
        color: var(--accent);
    }
    .faq-item .faq-q .icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 1px solid var(--line);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        flex-shrink: 0;
        color: var(--accent);
        transition: transform .3s, background-color .3s;
    }
    .faq-item.open .faq-q .icon {
        transform: rotate(45deg);
        background-color: rgba(201,242,74,0.1);
    }
    .faq-item .faq-a {
        padding: 0 26px;
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s ease, padding .3s ease;
        color: var(--textsub);
        line-height: 1.9;
        font-size: 15px;
        border-top: 0px solid var(--line);
    }
    .faq-item.open .faq-a {
        max-height: 600px;
        padding-bottom: 20px;
    }
    .faq-item .faq-a .faq-inner {
        padding-top: 14px;
        border-top: 1px solid var(--line);
    }

    /* ===== CTA ===== */
    .cta-section {
        background-color: var(--basebg);
        position: relative;
    }
    .cta-lede {
        display: flex;
        gap: 60px;
        align-items: stretch;
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: 24px;
        padding: 48px;
        position: relative;
        overflow: hidden;
    }
    .cta-lede-left {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .cta-lede-left h2 {
        font-size: clamp(1.8rem, 3vw, 2.6rem);
        font-weight: 800;
        line-height: 1.3;
        margin-top: 16px;
        margin-bottom: 20px;
    }
    .cta-lede-left p {
        color: var(--textsub);
        font-size: 16px;
        line-height: 1.9;
        max-width: 400px;
    }
    .cta-form-wrap {
        width: 400px;
        background-color: var(--paper);
        border-radius: var(--radius-lg);
        padding: 32px;
        color: var(--papertext);
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .cta-form-wrap label {
        font-size: 14px;
        font-weight: 600;
        display: block;
        margin-bottom: 7px;
        color: #2a2f22;
    }
    .cta-form-wrap input,
    .cta-form-wrap select,
    .cta-form-wrap textarea {
        width: 100%;
        height: 46px;
        border-radius: 8px;
        border: 1px solid #d4d2c8;
        padding: 0 14px;
        background: #fff;
        color: var(--papertext);
        font-size: 15px;
        transition: border-color .2s;
    }
    .cta-form-wrap textarea {
        height: auto;
        padding: 12px 14px;
        resize: vertical;
        min-height: 70px;
    }
    .cta-form-wrap input:focus,
    .cta-form-wrap select:focus,
    .cta-form-wrap textarea:focus {
        outline: none;
        border-color: #8a9a32;
        box-shadow: 0 0 0 3px rgba(138,154,50,0.15);
    }
    .cta-form-wrap .btn-primary {
        background-color: var(--papertext);
        color: var(--paper);
        height: 48px;
        margin-top: 6px;
        border-radius: 8px;
    }
    .cta-form-wrap .btn-primary:hover {
        background-color: #3a4330;
    }
    .form-success {
        display: none;
        background: #eef5d4;
        border-radius: 10px;
        padding: 12px 16px;
        font-size: 14px;
        font-weight: 600;
        color: #556f14;
    }
    @media (max-width: 1024px) {
        .cta-lede {
            flex-direction: column;
            padding: 32px 24px;
        }
        .cta-form-wrap {
            width: 100%;
        }
    }
    @media (max-width: 640px) {
        .cta-lede {
            padding: 26px 18px;
        }
    }

    /* ===== Footer ===== */
    .site-footer {
        background-color: #080B07;
        border-top: 1px solid var(--line);
        padding: 70px 0 40px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .footer-brand .footer-logo {
        font-size: 20px;
        font-weight: 800;
        color: var(--textmain);
        display: flex;
        align-items: center;
        gap: 10px;
        line-height: 1.4;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--textweak);
        margin-top: 14px;
        line-height: 1.8;
        max-width: 360px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 20px;
        color: var(--textmain);
        letter-spacing: 0.03em;
    }
    .footer-col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .footer-col ul li a {
        font-size: 14px;
        color: var(--textsub);
        display: inline-flex;
        align-items: center;
        transition: color .2s;
        position: relative;
        padding-left: 0;
        transition: padding-left .2s, color .2s;
    }
    .footer-col ul li a:hover {
        color: var(--accent);
        padding-left: 12px;
    }
    .footer-col ul li a:hover::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 14px;
        background-color: var(--accent);
        border-radius: 2px;
    }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 28px;
        gap: 20px;
        flex-wrap: wrap;
    }
    .footer-bottom .copyright {
        font-size: 14px;
        color: var(--textweak);
    }
    .footer-bottom .footer-tech {
        font-size: 13px;
        color: rgba(255,255,255,0.3);
        font-family: ui-monospace, monospace;
    }
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1.4fr 1fr;
            gap: 36px;
        }
    }
    @media (max-width: 640px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    .corner-line {
        border-left: 2px solid var(--accent);
        padding-left: 14px;
    }

/* roulang page: article */
:root {
            --bg: #0B0F09;
            --bg-2: #121711;
            --bg-3: #1A2119;
            --line: rgba(255, 255, 255, 0.08);
            --accent: #C9F24A;
            --accent-2: #FF5A36;
            --text: #F4F7EC;
            --text-2: #B7C0AC;
            --text-3: #7C866E;
            --light-bg: #F5F3EA;
            --light-text: #1B2017;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.20);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background-color: var(--bg);
            font-family: "Apple SD Gothic Neo", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 15, 9, 0.96);
            border-bottom: 1px solid var(--line);
            transition: background .3s ease, border-color .3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(9, 12, 7, 0.98);
            border-bottom-color: rgba(201, 242, 74, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
        }

        .logo-text {
            display: inline-flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.22rem;
            letter-spacing: -0.01em;
            color: var(--text);
            white-space: nowrap;
        }

        .logo-accent {
            color: var(--accent);
            margin-right: 2px;
        }

        .nav-menu {
            display: flex;
            gap: 2.2rem;
        }

        .nav-menu a {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-2);
            padding: 0.35rem 0;
            transition: color .2s ease;
        }

        .nav-menu a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .25s ease;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--text);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #0A0E07;
            border: 1px solid var(--accent);
            border-radius: 999px;
            font-size: 0.92rem;
            font-weight: 700;
            padding: 0.45rem 1.1rem;
            line-height: 1.5;
            transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
        }

        .nav-cta:hover {
            background: #d7ff63;
            box-shadow: 0 0 0 4px rgba(201, 242, 74, 0.18);
        }

        .nav-cta:active {
            transform: translateY(1px);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            background: var(--bg-2);
            border-radius: 10px;
            color: var(--text-2);
        }

        .nav-toggle:hover {
            color: var(--text);
            border-color: rgba(255, 255, 255, 0.22);
        }

        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        .focus-ring {
            outline: none;
        }

        .focus-ring:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* ===== 文章页视觉锚点 ===== */
        .article-hero {
            position: relative;
            background-color: var(--bg-2);
            background-image: url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 15, 9, 0.96) 10%, rgba(11, 15, 9, 0.78) 50%, rgba(18, 23, 17, 0.62) 100%);
        }

        .article-hero-inner {
            position: relative;
            padding: 4.8rem 0 5rem;
            max-width: 860px;
            margin: 0 auto;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            color: var(--accent);
            font-size: .86rem;
            font-weight: 700;
            letter-spacing: .05em;
            margin-bottom: 1.4rem;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--accent);
            display: inline-block;
        }

        .article-hero h1 {
            margin: 0 0 1.6rem;
            font-size: clamp(1.9rem, 4vw, 3.1rem);
            line-height: 1.35;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
            max-width: 15em;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
            color: var(--text-2);
            font-size: .94rem;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
        }

        .meta-item svg {
            width: 16px;
            height: 16px;
            opacity: .75;
        }

        .cat-pill {
            display: inline-flex;
            align-items: center;
            border: 1px solid rgba(255, 90, 54, .6);
            color: #FFB59F;
            border-radius: 999px;
            padding: .2rem .8rem;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .03em;
        }

        .breadcrumb {
            position: relative;
            margin-bottom: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .5rem;
            color: var(--text-3);
            font-size: .85rem;
        }

        .breadcrumb a {
            color: var(--text-2);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            opacity: .5;
        }

        .breadcrumb .current {
            color: var(--text-3);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== 正文阅读区 ===== */
        .content-section {
            background: #0E130B;
            padding: 4rem 0 0;
        }

        .content-panel {
            background: var(--light-bg);
            border-radius: var(--radius-lg);
            padding: clamp(1.8rem, 4vw, 4rem);
            box-shadow: var(--shadow-soft);
            color: var(--light-text);
        }

        .content-panel-inner {
            max-width: 720px;
            margin: 0 auto;
        }

        .article-body {
            font-size: 1.08rem;
            line-height: 1.95;
            color: #2A3226;
            word-break: break-word;
        }

        .article-body>p {
            margin: 0 0 1.4rem;
        }

        .article-body h2 {
            margin: 2.8rem 0 1.1rem;
            font-size: 1.7rem;
            line-height: 1.45;
            color: #141B11;
            font-weight: 800;
            letter-spacing: -0.01em;
            padding-bottom: .5rem;
            border-bottom: 2px solid rgba(201, 242, 74, .5);
        }

        .article-body h3 {
            margin: 2.2rem 0 .8rem;
            font-size: 1.28rem;
            color: #141B11;
            font-weight: 750;
        }

        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.6rem;
            padding-left: 1.4rem;
        }

        .article-body ul li,
        .article-body ol li {
            margin: .6rem 0;
        }

        .article-body ul li::marker {
            color: #AABF36;
        }

        .article-body ol li::marker {
            color: #AABF36;
            font-weight: 700;
        }

        .article-body blockquote {
            margin: 1.8rem 0;
            padding: 1rem 1.5rem;
            border-left: 4px solid var(--accent-2);
            background: rgba(255, 90, 54, .06);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #485040;
            font-size: 1.02rem;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8rem auto;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: .95rem;
            border-radius: 10px;
            overflow: hidden;
        }

        .article-body th,
        .article-body td {
            border: 1px solid rgba(0, 0, 0, .1);
            padding: .8rem 1rem;
            text-align: left;
        }

        .article-body th {
            background: #E5E9D6;
            font-weight: 700;
            color: #20281C;
        }

        .article-body td {
            background: #FBF9F0;
        }

        .article-body a {
            color: #684A10;
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(201, 242, 74, .7);
        }

        .article-body a:hover {
            color: #222A17;
        }

        .article-body code {
            background: #E9ECDA;
            border: 1px solid rgba(0, 0, 0, .07);
            padding: .15rem .45rem;
            border-radius: 6px;
            font-size: .9em;
        }

        .article-body pre {
            background: #20261B;
            color: #E6EAD2;
            padding: 1.5rem;
            border-radius: 14px;
            overflow-x: auto;
            line-height: 1.6;
            margin: 1.8rem 0;
            font-size: .92rem;
        }

        .article-body pre code {
            background: none;
            color: inherit;
            border: none;
            padding: 0;
        }

        .article-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.08);
            margin: 3rem 0;
        }

        /* 空态 */
        .empty-state {
            text-align: center;
            padding: 4rem 1rem;
        }

        .empty-state h2 {
            font-size: 1.8rem;
            color: var(--text);
            margin-bottom: .7rem;
        }

        .empty-state p {
            color: var(--text-2);
            margin-bottom: 1.8rem;
        }

        .btn-solid,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            height: 48px;
            padding: 0 1.5rem;
            border-radius: 12px;
            font-weight: 700;
            font-size: .98rem;
            transition: all .2s ease;
            border: 1px solid transparent;
        }

        .btn-solid {
            background: var(--accent);
            color: #0A0E07;
        }

        .btn-solid:hover {
            background: #DEFF6A;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(201, 242, 74, .2);
        }

        .btn-solid:active {
            transform: translateY(1px) scale(.99);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(201, 242, 74, .6);
            color: var(--accent);
        }

        .btn-outline:hover {
            background: rgba(201, 242, 74, .1);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        /* ===== 栏目标签区 ===== */
        .section-chip {
            display: inline-flex;
            align-items: center;
            background: rgba(201, 242, 74, .1);
            border: 1px solid rgba(201, 242, 74, .18);
            padding: .3rem .95rem;
            border-radius: 999px;
            color: var(--accent);
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .04em;
        }

        .section-title {
            margin: 1rem 0 .5rem;
            font-size: clamp(1.8rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: -0.01em;
            color: var(--text);
        }

        .section-sub {
            color: var(--text-2);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .entry-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .entry-card {
            background: var(--bg-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform .25s ease, border-color .25s ease, background .25s;
        }

        .entry-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 242, 74, 0.35);
            background: var(--bg-3);
        }

        .entry-thumb {
            position: relative;
            aspect-ratio: 16 / 8;
            background: var(--bg-3);
            overflow: hidden;
        }

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

        .entry-card:hover .entry-thumb img {
            transform: scale(1.04);
        }

        .entry-label {
            position: absolute;
            left: 1rem;
            bottom: 1rem;
            z-index: 2;
            background: rgba(11, 15, 9, .82);
            color: var(--accent);
            font-size: .74rem;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, .12);
            padding: .22rem .7rem;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .entry-info {
            padding: 1.5rem 1.5rem 1.7rem;
        }

        .entry-info h3 {
            font-size: 1.18rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 .6rem;
            color: var(--text);
        }

        .entry-info p {
            font-size: .88rem;
            color: var(--text-2);
            line-height: 1.8;
            margin: 0 0 1.1rem;
        }

        .entry-more {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            color: var(--accent);
            font-weight: 600;
            font-size: .9rem;
        }

        .entry-more svg {
            width: 15px;
            height: 15px;
            transition: transform .2s ease;
        }

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

        /* ===== 正文底部操作区 ===== */
        .article-footer-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
            margin-top: 2.8rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(0, 0, 0, .12);
        }

        .back-to-list {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            color: var(--light-text);
            font-weight: 600;
            font-size: .95rem;
            opacity: .88;
        }

        .back-to-list svg {
            width: 16px;
            height: 16px;
        }

        .back-to-list:hover {
            color: #222A17;
            opacity: 1;
        }

        /* CTA */
        .cta-block {
            margin-top: 0;
            padding: 4.5rem 0;
            background: linear-gradient(130deg, #0A0E07 0%, #121711 48%, #181F11 100%);
            border-top: 1px solid var(--line);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.45;
            margin: 0 0 1rem;
        }

        .cta-desc {
            color: var(--text-2);
            line-height: 1.9;
            max-width: 600px;
            margin: 0 0 1.7rem;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .8rem;
        }

        .cta-note {
            font-size: .85rem;
            color: var(--text-3);
            margin-top: 1rem;
            max-width: 600px;
        }

        .cta-monitor {
            background: var(--bg-3);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 1.6rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.2rem;
        }

        .mini-box {
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: 14px;
            padding: 1rem 1.1rem;
        }

        .mini-box .label {
            font-size: .8rem;
            color: var(--text-3);
            margin-bottom: .5rem;
        }

        .mini-box .value {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .01em;
        }

        .mini-box .value span {
            color: var(--accent);
            margin-left: .2rem;
            font-weight: 800;
        }

        .monitor-spark {
            grid-column: 1 / -1;
            height: 50px;
            display: flex;
            align-items: flex-end;
            gap: 6px;
            padding: 0.2rem 0;
            margin-top: .2rem;
        }

        .spark-bar {
            width: 8px;
            border-radius: 4px 4px 0 0;
            background: rgba(201, 242, 74, .65);
        }

        /* footer */
        .site-footer {
            background: #080C06;
            border-top: 1px solid var(--line);
            padding: 4rem 0 1.8rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: .8rem;
        }

        .footer-brand p {
            color: var(--text-3);
            font-size: .9rem;
            line-height: 1.9;
            margin: 0;
            max-width: 620px;
        }

        .footer-col h4 {
            color: var(--text);
            font-size: .92rem;
            margin: 0 0 1.1rem;
            font-weight: 700;
            letter-spacing: .02em;
        }

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

        .footer-col li {
            margin: .6rem 0;
        }

        .footer-col li a {
            position: relative;
            display: inline-block;
            color: var(--text-2);
            font-size: .9rem;
            line-height: 1.7;
            padding-left: 0;
            transition: color .2s ease;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
            padding-top: 1.4rem;
            border-top: 1px solid var(--line);
            color: var(--text-3);
            font-size: .8rem;
        }

        .footer-tech {
            color: #5F684F;
        }

        @media (max-width: 1024px) {
            .nav-menu {
                gap: 1.5rem;
            }
        }

        @media (max-width: 820px) {
            .nav-menu {
                position: absolute;
                left: 1.2rem;
                right: 1.2rem;
                top: 70px;
                z-index: 40;
                background: var(--bg-3);
                border: 1px solid var(--line);
                border-radius: 16px;
                padding: .9rem;
                flex-direction: column;
                gap: .2rem;
                display: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, .35);
            }

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

            .nav-menu a {
                padding: .6rem .8rem;
                border-radius: 8px;
                font-size: 1rem;
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-menu a.active {
                background: rgba(201, 242, 74, .12);
                color: var(--accent);
            }

            .nav-toggle {
                display: inline-flex;
            }

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

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

            .cta-monitor {
                max-width: 560px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2.5rem;
            }

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

        @media (max-width: 560px) {
            .container {
                padding-left: 1.1rem;
                padding-right: 1.1rem;
            }

            .header-inner {
                min-height: 64px;
            }

            .logo-text {
                font-size: 1.08rem;
            }

            .nav-cta {
                display: none;
            }

            .article-hero-inner {
                padding: 3rem 0;
            }

            .content-panel {
                padding: 1.5rem 1.2rem;
            }

            .hero-meta {
                gap: .7rem 1.1rem;
                font-size: .86rem;
            }

            .breadcrumb .current {
                max-width: 160px;
            }

            .entry-info {
                padding: 1.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .cta-monitor {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: .3rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0F09;
            --bg-secondary: #121711;
            --bg-panel: #1A2119;
            --border: rgba(255, 255, 255, 0.08);
            --border-bright: rgba(201, 242, 74, 0.36);
            --accent: #C9F24A;
            --accent-amber: #F3F9D2;
            --accent-2: #FF5A36;
            --text-primary: #F4F7EC;
            --text-secondary: #B7C0AC;
            --text-muted: #7C866E;
            --light-panel: #F5F3EA;
            --light-panel-2: #E9E6D8;
            --light-text: #1B2017;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-sans: "Apple SD Gothic Neo", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            margin: 0;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 17px;
            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-family: inherit;
            line-height: inherit;
        }

        .hidden {
            display: none !important;
        }

        .container {
            width: min(1200px, 94%);
            margin-inline: auto;
        }

        /* header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 16px 0;
            background: rgba(11, 15, 9, 0.88);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(9, 12, 8, 0.96);
            border-bottom-color: var(--border);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
        }

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

        .logo-text {
            display: flex;
            align-items: center;
            color: #f7fbe9;
            font-size: 1.06rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .logo-accent {
            color: var(--accent);
            margin-right: 2px;
        }

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

        .nav-menu a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 4px;
            margin: 0 8px;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-menu a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.25s ease;
        }

        .nav-menu a:hover {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-menu a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 20px;
            border-radius: 999px;
            background: var(--accent);
            color: #10150D;
            font-size: 0.94rem;
            font-weight: 700;
            transition: background 0.2s ease, transform 0.2s ease;
        }

        .nav-cta:hover {
            background: #D7FF66;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            cursor: pointer;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .nav-toggle:hover {
            border-color: var(--accent);
            background: rgba(201, 242, 74, 0.08);
        }

        .nav-toggle svg {
            width: 22px;
            height: 22px;
        }

        /* hero */
        .category-hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: flex-end;
            padding: 150px 0 85px;
            overflow: hidden;
            background-color: var(--bg-primary);
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-position: center;
            background-size: cover;
            opacity: 0.38;
        }

        .cat-hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, #0B0F09 0%, rgba(11, 15, 9, 0.92) 50%, rgba(11, 15, 9, 0.62) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.75fr);
            gap: 40px;
            align-items: end;
        }

        .hero-eyebrow {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            color: var(--accent);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .hero-eyebrow span {
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-eyebrow span:first-child {
            color: var(--accent);
        }

        h1.hero-title {
            margin: 0;
            font-size: clamp(2.2rem, 4.6vw, 4rem);
            line-height: 1.12;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #F8FBE9;
            max-width: 640px;
        }

        h1.hero-title .hero-title-muted {
            color: var(--text-secondary);
            font-weight: 700;
        }

        .hero-lead {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.9;
            margin-top: 20px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 24px;
            border-radius: 10px;
            border: none;
            font-weight: 700;
            font-size: 0.98rem;
            cursor: pointer;
            transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn:focus-visible,
        .nav-cta:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible,
        summary:focus-visible {
            outline: 3px solid var(--accent-2);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent);
            color: #10150D;
        }

        .btn-primary:hover {
            background: #D9FF6E;
            box-shadow: 0 0 0 5px rgba(201, 242, 74, 0.12);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(201, 242, 74, 0.08);
        }

        .hero-monitor {
            border: 1px solid var(--border);
            background: rgba(26, 33, 25, 0.82);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            backdrop-filter: none;
        }

        .monitor-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }

        .monitor-title strong {
            color: var(--text-primary);
            font-size: 0.84rem;
        }

        .monitor-item {
            display: flex;
            justify-content: space-between;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }

        .monitor-item:last-child {
            border-bottom: none;
        }

        .monitor-item span:first-child {
            color: var(--text-secondary);
            font-size: 0.94rem;
        }

        .monitor-item strong {
            color: var(--accent);
            font-family: var(--font-mono);
            font-size: 1.05rem;
            font-weight: 600;
        }

        /* metric strip */
        .metric-strip {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 26px 0;
        }

        .strip-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            border-left: 1px solid var(--border);
            border-right: 1px solid var(--border);
        }

        .metric-item {
            padding: 8px 20px;
            border-left: 1px solid var(--border);
        }

        .metric-item:first-child {
            border-left: none;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 6px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .metric-value small {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-left: 4px;
        }

        .metric-note {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin-top: 4px;
        }

        .metric-note .up {
            color: var(--accent);
        }

        /* section spacing */
        .page-section {
            padding: 90px 0;
        }

        .section-head {
            max-width: 780px;
            margin-bottom: 52px;
        }

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

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .eyebrow::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--accent);
        }

        .section-head h2 {
            margin: 0;
            font-size: clamp(1.9rem, 3vw, 2.7rem);
            line-height: 1.2;
            color: #F2F6DE;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.9;
            margin: 16px 0 0;
        }

        /* matrix cards */
        .section-dark {
            background: var(--bg-primary);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
            margin-top: 48px;
        }

        .dash-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            min-height: 260px;
            display: flex;
            flex-direction: column;
            transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
        }

        .dash-card:hover {
            border-color: rgba(201, 242, 74, 0.25);
            transform: translateY(-3px);
            background: #202A1F;
        }

        .dc-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 14px;
        }

        .dc-tag {
            color: var(--text-muted);
            font-size: 0.78rem;
            letter-spacing: 0.08em;
            font-weight: 700;
        }

        .dc-code {
            color: var(--text-muted);
            font-family: var(--font-mono);
            font-size: 0.82rem;
        }

        .dc-main {
            margin: 18px 0 12px;
        }

        .dc-value {
            font-family: var(--font-mono);
            font-size: 2.1rem;
            font-weight: 600;
            color: #F6FAE3;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .dc-value small {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .dc-change {
            color: var(--accent);
            font-size: 0.82rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .dc-change.orange {
            color: var(--accent-2);
        }

        .dc-desc {
            color: var(--text-secondary);
            font-size: 0.96rem;
            line-height: 1.75;
            margin: 10px 0 0;
        }

        .dc-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
            padding-top: 22px;
        }

        .dc-tag-pill {
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--text-secondary);
            font-size: 0.8rem;
            padding: 2px 9px;
            background: transparent;
        }

        .dc-spark {
            margin-top: 12px;
            width: 100%;
            height: 46px;
            opacity: 0.9;
        }

        /* link line section */
        .lines-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .lines-panel {
            margin-top: 48px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
        }

        .signal-row {
            display: grid;
            grid-template-columns: minmax(150px, 1.2fr) minmax(180px, 2.4fr) auto;
            align-items: center;
            gap: 18px;
            padding: 19px 4px;
            border-bottom: 1px solid var(--border);
        }

        .signal-row:last-child {
            border-bottom: 0;
        }

        .signal-name {
            font-size: 0.95rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .signal-name span {
            display: block;
            font-size: 0.76rem;
            color: var(--text-muted);
            font-weight: 400;
            margin-top: 1px;
        }

        .signal-track {
            height: 8px;
            background: #262D24;
            border-radius: 999px;
            overflow: hidden;
        }

        .signal-track i {
            display: block;
            height: 100%;
            width: 0;
            border-radius: inherit;
            background: linear-gradient(90deg, #5F7326, var(--accent));
        }

        .signal-value {
            text-align: right;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .signal-value strong {
            color: var(--accent);
            font-family: var(--font-mono);
            font-weight: 600;
            font-size: 1rem;
        }

        /* light section */
        .light-section {
            background: var(--light-panel);
            color: var(--light-text);
        }

        .light-section .eyebrow {
            color: #6E7F28;
        }

        .light-section .eyebrow::before {
            background: #6E7F28;
        }

        .light-section .section-head h2 {
            color: var(--light-text);
        }

        .light-section .section-head p {
            color: #525A47;
        }

        .split-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
            gap: 64px;
            align-items: center;
        }

        .split-copy h3 {
            border-bottom: 1px solid rgba(27, 32, 23, 0.12);
            padding-bottom: 16px;
            font-size: 1.8rem;
            line-height: 1.3;
            margin: 0 0 24px;
        }

        .feature-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .feature-list li {
            position: relative;
            margin: 0 0 13px;
            padding-left: 24px;
            color: #2B3127;
            font-size: 1rem;
            line-height: 1.75;
        }

        .feature-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.68em;
            width: 12px;
            height: 2px;
            background: #8CA93C;
        }

        .light-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .light-tag {
            border: 1px solid rgba(27, 32, 23, 0.22);
            color: var(--light-text);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 0.82rem;
        }

        .split-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(27, 32, 23, 0.12);
            min-height: 380px;
            background: #E2E0D2;
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .split-media-note {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            background: rgba(18, 23, 17, 0.84);
            color: #F1F6DB;
            padding: 14px 18px;
            border-radius: 14px;
            font-size: 0.92rem;
        }

        .split-media-note strong {
            color: var(--accent);
        }

        /* process items */
        .process-section {
            background: var(--bg-primary);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 24px;
            margin-top: 50px;
        }

        .step-item {
            border-top: 2px solid rgba(201, 242, 74, 0.35);
            padding-top: 22px;
        }

        .step-num {
            font-family: var(--font-mono);
            color: var(--accent);
            font-size: 0.86rem;
            letter-spacing: 0.04em;
        }

        .step-item h3 {
            color: #F3F7E4;
            font-size: 1.2rem;
            margin: 12px 0 8px;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.94rem;
            line-height: 1.75;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
        }

        .faq-list {
            max-width: 860px;
            margin: 48px auto 0;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-left: 2px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .faq-item[open] {
            border-left-color: var(--accent);
            background: #20291D;
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 20px 24px;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

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

        .faq-item summary::after {
            content: "+";
            color: var(--accent);
            font-size: 1.6rem;
            line-height: 1;
            font-weight: 400;
            transition: transform 0.25s ease;
        }

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

        .faq-answer {
            padding: 0 26px 24px 24px;
            color: var(--text-secondary);
            font-size: 0.96rem;
            line-height: 1.9;
            max-width: 780px;
        }

        /* category links */
        .links-section {
            background: var(--bg-primary);
            padding: 90px 0 70px;
        }

        .category-links-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
            margin-top: 38px;
        }

        .rel-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: border-color 0.2s ease, transform 0.2s ease;
        }

        .rel-card:hover {
            border-color: rgba(201, 242, 74, 0.3);
            transform: translateY(-2px);
        }

        .rel-card small {
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .rel-card strong {
            color: var(--text-primary);
            font-size: 1.05rem;
            font-weight: 700;
        }

        .rel-card span {
            color: var(--text-secondary);
            font-size: 0.91rem;
            line-height: 1.75;
        }

        .rel-arrow {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 8px;
        }

        .current-category-note {
            margin-top: 44px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.93rem;
            border-top: 1px solid var(--border);
            padding-top: 24px;
        }

        .current-category-note strong {
            color: var(--accent);
        }

        /* CTA */
        .cta-block {
            position: relative;
            background-image: linear-gradient(rgba(11, 15, 9, 0.9), rgba(11, 15, 9, 0.9)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 90px 0;
            border-top: 1px solid var(--border);
        }

        .cta-wrap {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 52px;
            align-items: center;
        }

        .cta-copy h2 {
            font-size: clamp(1.9rem, 3.2vw, 2.5rem);
            line-height: 1.25;
            margin: 0 0 18px;
            color: #F4F8E3;
        }

        .cta-copy p {
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 440px;
            margin: 0 0 24px;
        }

        .cta-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 12px;
        }

        .cta-contact-list li {
            color: var(--text-secondary);
            font-size: 0.96rem;
            padding-left: 28px;
            position: relative;
        }

        .cta-contact-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.42em;
            width: 14px;
            height: 2px;
            background: var(--accent);
        }

        .form-card {
            background: var(--light-panel);
            color: var(--light-text);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
        }

        .form-card h3 {
            margin: 0 0 22px;
            font-size: 1.4rem;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.86rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--light-text);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            min-height: 48px;
            border: 1px solid rgba(27, 32, 23, 0.22);
            border-radius: 8px;
            background: #FFFFFF;
            padding: 0 14px;
            font-size: 0.95rem;
            color: var(--light-text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-group textarea {
            padding-top: 12px;
            min-height: 90px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #8FAD38;
            box-shadow: 0 0 0 4px rgba(143, 173, 56, 0.18);
        }

        .form-card .btn {
            width: 100%;
            margin-top: 8px;
        }

        .form-success {
            margin-top: 14px;
            padding: 12px 14px;
            background: rgba(143, 173, 56, 0.14);
            color: #3A481B;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 600;
        }

        /* footer */
        .site-footer {
            background: #080C06;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 52px;
            padding: 62px 0 42px;
        }

        .footer-brand .footer-logo {
            font-size: 1.12rem;
            font-weight: 700;
            color: #F3F8E1;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.9;
            max-width: 400px;
            margin: 0;
        }

        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            margin: 0 0 16px;
        }

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

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.93rem;
            padding-left: 12px;
            position: relative;
            transition: color 0.2s ease;
        }

        .footer-col a::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.55em;
            width: 5px;
            height: 2px;
            background: var(--text-muted);
            transition: background 0.2s ease;
        }

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

        .footer-col a:hover::before {
            background: var(--accent);
            width: 14px;
            height: 2px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.84rem;
        }

        .footer-bottom .copyright {
            color: #C4CDBA;
        }

        /* responsive */
        @media (max-width: 1023px) {
            .container {
                width: min(100% - 36px, 1200px);
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 18px;
                right: 18px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: #151D13;
                border: 1px solid var(--border);
                border-radius: var(--radius-md);
                padding: 12px;
                box-shadow: var(--shadow-sm);
            }

            .nav-menu.opened {
                display: flex;
            }

            .nav-menu a {
                padding: 12px 14px !important;
                border-radius: 8px;
                margin: 0;
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-menu a.active {
                background: rgba(201, 242, 74, 0.1);
            }

            .hero-content,
            .cta-wrap,
            .split-layout {
                grid-template-columns: minmax(0, 1fr);
            }

            .category-hero {
                padding: 130px 0 60px;
            }

            .hero-monitor {
                max-width: 480px;
            }

            .split-media {
                min-height: 320px;
            }

            .split-media img {
                min-height: 320px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 26px;
            }

            .category-links-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

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

        @media (max-width: 820px) {
            .strip-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 20px 0;
            }

            .metric-item {
                border-left: none;
                border-bottom: 1px solid var(--border);
                padding: 8px 8px;
            }

            .metric-strip .container {
                width: 100%;
                padding-left: 18px;
                padding-right: 18px;
            }

            .matrix-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 14px;
            }

            .signal-row {
                grid-template-columns: 1fr 1.2fr 1fr;
                gap: 10px;
            }

            .signal-name {
                font-size: 0.86rem;
                word-break: break-word;
            }

            .signal-value {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 600px) {
            body {
                font-size: 16px;
            }

            .site-header {
                padding: 12px 0;
            }

            .logo-text {
                font-size: 0.95rem;
            }

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

            .category-hero {
                min-height: 500px;
                padding: 120px 0 50px;
            }

            .hero-lead {
                font-size: 0.98rem;
            }

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

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

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

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

            .category-links-grid {
                grid-template-columns: 1fr;
            }

            .faq-item summary {
                font-size: 0.95rem;
            }

            .form-card {
                padding: 24px 18px;
            }

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

            .signal-row {
                grid-template-columns: 1fr;
                gap: 6px;
                padding: 16px 2px;
            }

            .signal-value {
                text-align: left;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #0B0F09;
        --surface: #121711;
        --panel: #1A2119;
        --edge: rgba(255, 255, 255, 0.08);
        --accent: #C9F24A;
        --signal: #FF5A36;
        --ink: #F4F7EC;
        --sub: #B7C0AC;
        --faint: #7C866E;
        --radius-lg: 20px;
        --radius-md: 16px;
        --radius-sm: 10px;
        --font-display: 'Apple SD Gothic Neo', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        --font-mono: 'SF Mono', 'JetBrains Mono', Consolas, monospace;
    }
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-display);
        background: var(--primary);
        color: var(--ink);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        font-size: 16px;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: all .25s ease;
    }
    button {
        cursor: pointer;
        outline: none;
        border: none;
    }
    input, select, textarea {
        font-family: var(--font-display);
    }
    .container {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        background: rgba(11, 15, 9, 0.92);
        border-bottom: 1px solid var(--edge);
        backdrop-filter: blur(4px);
        transition: background .3s ease, border-color .3s ease;
    }
    .site-header.scrolled {
        background: rgba(14, 18, 12, 0.97);
        border-color: rgba(201, 242, 74, 0.15);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 68px;
    }
    .logo-text {
        font-size: 22px;
        font-weight: 800;
        color: var(--ink);
        letter-spacing: -0.3px;
        white-space: nowrap;
        display: flex;
        align-items: center;
        gap: 1px;
        line-height: 1.2;
    }
    .logo-accent {
        color: var(--accent);
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-menu a {
        font-size: 14.5px;
        font-weight: 500;
        color: var(--sub);
        padding: 8px 14px;
        border-radius: 8px;
        line-height: 1.5;
        transition: color .2s, background .2s;
    }
    .nav-menu a:hover {
        color: var(--ink);
        background: rgba(255, 255, 255, 0.04);
    }
    .nav-menu a.active {
        color: var(--accent);
        background: rgba(201, 242, 74, 0.1);
        font-weight: 700;
    }
    .nav-cta {
        font-size: 14px;
        font-weight: 600;
        background: var(--accent);
        color: #10150C;
        padding: 9px 18px;
        border-radius: 10px;
        transition: background .2s, transform .2s;
        display: inline-block;
    }
    .nav-cta:hover {
        background: #D8F367;
        transform: translateY(-1px);
    }
    .nav-toggle {
        display: none;
        background: transparent;
        color: var(--ink);
        width: 42px;
        height: 42px;
        border-radius: 8px;
        align-items: center;
        justify-content: center;
    }
    .nav-toggle svg {
        width: 24px;
        height: 24px;
    }
    .hero-cat {
        padding: 150px 0 72px;
        background: var(--primary) url('/assets/images/backpic/back-2.png') no-repeat center 20% / cover;
        position: relative;
    }
    .hero-cat::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 15, 9, 0.78) 0%, rgba(11, 15, 9, 0.88) 60%, #0B0F09 100%);
    }
    .hero-cat .container {
        position: relative;
        z-index: 2;
    }
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.4px;
        color: var(--accent);
        text-transform: uppercase;
        padding: 6px 14px;
        border: 1px solid rgba(201, 242, 74, 0.3);
        border-radius: 100px;
        background: rgba(201, 242, 74, 0.06);
        margin-bottom: 28px;
    }
    .eyebrow::before {
        content: "";
        width: 6px;
        height: 6px;
        background: var(--signal);
        border-radius: 50%;
    }
    .hero-title {
        font-size: clamp(34px, 5vw, 54px);
        font-weight: 900;
        line-height: 1.18;
        letter-spacing: -0.02em;
        max-width: 800px;
        margin-bottom: 20px;
        color: var(--ink);
    }
    .hero-title .txt-accent {
        color: var(--accent);
    }
    .hero-sub {
        font-size: 17px;
        line-height: 1.8;
        color: var(--sub);
        max-width: 640px;
        margin-bottom: 36px;
    }
    .btn-group {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent);
        color: #141B0D;
        font-size: 15px;
        font-weight: 700;
        padding: 0 24px;
        height: 48px;
        border-radius: 12px;
        transition: transform .2s, background .2s, box-shadow .2s;
        box-shadow: 0 2px 0 rgba(0,0,0,0.15);
    }
    .btn-primary:hover {
        background: #d9f560;
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(201, 242, 74, 0.18);
    }
    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: none;
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: var(--accent);
        border: 1px solid rgba(201, 242, 74, 0.5);
        font-size: 15px;
        font-weight: 600;
        padding: 0 24px;
        height: 48px;
        border-radius: 12px;
        transition: all .2s;
    }
    .btn-secondary:hover {
        background: rgba(201, 242, 74, 0.1);
        border-color: var(--accent);
    }
    .btn:focus-visible, a:focus-visible, button:focus-visible {
        outline: 2px solid var(--signal);
        outline-offset: 3px;
    }
    .meter-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        border: 1px solid var(--edge);
        border-radius: 20px;
        margin-top: 56px;
        background: rgba(18, 23, 17, 0.75);
        overflow: hidden;
    }
    .meter-item {
        text-align: center;
        padding: 24px 20px;
        border-right: 1px solid var(--edge);
    }
    .meter-item:last-child {
        border-right: 0;
    }
    .meter-item .num {
        font-family: var(--font-mono);
        font-size: 32px;
        font-weight: 700;
        color: var(--ink);
        line-height: 1.3;
    }
    .meter-item .num em {
        font-style: normal;
        color: var(--accent);
        font-size: 16px;
        margin-left: 2px;
    }
    .meter-item .label {
        font-size: 13px;
        color: var(--faint);
        margin-top: 6px;
    }
    .section {
        padding: 90px 0;
    }
    .section-alt {
        background: var(--surface);
    }
    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 48px;
        flex-wrap: wrap;
        gap: 20px;
    }
    .section-head .tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 1px;
        text-transform: uppercase;
        color: var(--signal);
        margin-bottom: 8px;
    }
    .section-head h2 {
        font-size: clamp(26px, 3vw, 36px);
        font-weight: 800;
        line-height: 1.25;
        letter-spacing: -0.01em;
    }
    .section-head .desc {
        color: var(--sub);
        font-size: 15px;
        max-width: 480px;
        line-height: 1.7;
    }
    .link-more {
        color: var(--accent);
        font-size: 14px;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .link-more:hover {
        gap: 10px;
    }
    .dashboard-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .kpi-card {
        background: var(--panel);
        border: 1px solid var(--edge);
        border-radius: var(--radius-md);
        padding: 28px;
        position: relative;
        overflow: hidden;
        transition: border-color .25s, transform .25s;
    }
    .kpi-card:hover {
        border-color: rgba(201, 242, 74, 0.35);
        transform: translateY(-2px);
    }
    .kpi-card .k-label {
        font-size: 13.5px;
        color: var(--faint);
        font-weight: 500;
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .kpi-card .k-value {
        font-family: var(--font-mono);
        font-size: 36px;
        font-weight: 700;
        color: var(--ink);
        line-height: 1.2;
        margin-bottom: 10px;
    }
    .kpi-card .k-trend {
        display: inline-flex;
        font-size: 12px;
        padding: 4px 10px;
        border-radius: 100px;
        font-weight: 600;
        margin-top: 8px;
    }
    .trend-up {
        background: rgba(201, 242, 74, 0.12);
        color: var(--accent);
    }
    .trend-hold {
        background: rgba(255, 255, 255, 0.08);
        color: var(--sub);
    }
    .trend-alert {
        background: rgba(255, 90, 54, 0.14);
        color: var(--signal);
    }
    .k-chart {
        margin-top: 18px;
        height: 48px;
        display: flex;
        align-items: flex-end;
        gap: 4px;
    }
    .k-chart span {
        flex: 1;
        background: rgba(201, 242, 74, 0.18);
        border-radius: 3px 3px 0 0;
        display: block;
        min-height: 4px;
        transition: background .2s, height .2s;
    }
    .k-chart span:nth-child(1) { height: 34%; }
    .k-chart span:nth-child(2) { height: 48%; }
    .k-chart span:nth-child(3) { height: 44%; }
    .k-chart span:nth-child(4) { height: 60%; }
    .k-chart span:nth-child(5) { height: 52%; }
    .k-chart span:nth-child(6) { height: 70%; }
    .k-chart span:nth-child(7) { height: 82%; }
    .k-chart span:nth-child(8) { height: 74%; }
    .k-chart span:nth-child(9) { height: 90%; }
    .k-chart span:nth-child(10) { height: 86%; }
    .k-chart span:nth-child(11) { height: 95%; }
    .k-chart span:nth-child(12) { height: 100%; }
    .k-chart span:hover {
        background: var(--accent);
    }
    .info-bar {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .info-tile {
        background: var(--panel);
        border: 1px solid var(--edge);
        border-radius: var(--radius-md);
        padding: 26px 28px;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .info-tile .inf-rating {
        font-family: var(--font-mono);
        font-size: 30px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.1;
    }
    .info-tile .inf-label {
        font-size: 15px;
        font-weight: 600;
    }
    .info-tile .inf-meta {
        font-size: 13px;
        color: var(--faint);
        border-top: 1px solid var(--edge);
        padding-top: 12px;
        margin-top: auto;
    }
    .steps-box {
        background: var(--surface);
        border-radius: 20px;
        border: 1px solid var(--edge);
        overflow: hidden;
    }
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }
    .step-card {
        padding: 32px 28px;
        border-right: 1px solid var(--edge);
        transition: background .2s;
    }
    .step-card:last-child {
        border-right: 0;
    }
    .step-card:hover {
        background: rgba(201, 242, 74, 0.04);
    }
    .step-card .step-num {
        font-family: var(--font-mono);
        font-size: 15px;
        font-weight: 700;
        background: linear-gradient(120deg, var(--accent), #d9f560);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        display: block;
        margin-bottom: 12px;
    }
    .step-card h3 {
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .step-card p {
        font-size: 14px;
        color: var(--faint);
        line-height: 1.7;
    }
    .comparison-panel {
        background: #F3F1E6;
        border-radius: 24px;
        border: 1px solid rgba(0,0,0,0.04);
        padding: 48px;
        color: #1B2017;
    }
    .comp-card {
        border-bottom: 1px solid rgba(0,0,0,0.08);
        padding: 24px 6px;
        display: grid;
        grid-template-columns: 200px 1fr 1fr;
        gap: 16px 32px;
        align-items: start;
    }
    .comp-card:first-child {
        padding-top: 0;
    }
    .comp-card:last-child {
        border-bottom: 0;
        padding-bottom: 0;
    }
    .comp-itemname {
        font-weight: 700;
        line-height: 1.5;
    }
    .comp-labels {
        font-size: 12px;
        color: #6f7866;
        margin-bottom: 6px;
    }
    .comp-main {
        font-size: 14px;
        line-height: 1.65;
        color: #262c21;
    }
    .comp-sub {
        font-size: 13px;
        line-height: 1.6;
        color: #5b6452;
        margin-top: 6px;
    }
    .comp-status {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 12px;
    }
    .comp-status::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
    }
    .light-text {
        color: #2E3429;
    }
    .light-sub {
        color: #68735d;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        font-size: 12px;
        padding: 3px 10px;
        border-radius: 100px;
        font-weight: 600;
        border: 1px solid var(--edge);
        color: var(--sub);
        white-space: nowrap;
        transition: border-color .2s;
    }
    .badge-accent {
        border-color: rgba(201, 242, 74, 0.5);
        color: var(--accent);
        background: rgba(201, 242, 74, 0.06);
    }
    .badge-signal, .badge-signal:hover { border-color: #cf3e2b; color: #b03a2b; background: rgba(256, 90, 54, 0.5); }
    .flow-card-v {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 36px;
        background: var(--surface);
        border-radius: 24px;
        border: 1px solid var(--edge);
        padding: 40px;
        align-items: center;
    }
    .section-title-sm {
        font-size: 20px;
        font-weight: 700;
        margin: 20px 0 12px;
    }
    .flow-items {
        list-style: none;
        margin-top: 18px;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .flow-items li {
        display: flex;
        gap: 12px;
        font-size: 15px;
        line-height: 1.5;
        color: var(--ink);
    }
    .flow-items li::before {
        content: "";
        min-width: 6px;
        height: 6px;
        background: var(--accent);
        border-radius: 1px;
        margin-top: 8px;
    }
    .light-block {
        background: #F3F1E6;
        color: #1B2017;
    }
    .topic-picker {
        display: flex;
        flex-wrap: wrap;
        overflow: hidden;
        gap: 0px;
        grid-template-columns: repeat(4, 1fr);
        align-items: stretch;
    }
    .topic-picker a {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        border: 1px solid var(--edge);
        border-radius: 14px;
        padding: 24px;
        background: var(--panel);
        transition: border-color .25s, background .25s;
        min-height: 220px;
    }
    .topic-picker a:hover {
        border-color: rgba(201, 242, 74, 0.3);
        background: var(--surface);
    }
    .topic-picker a.light-card {
        background: var(--panel);
    }
    .topic-picker .t-main {
        font-size: 18px;
        font-weight: 700;
        color: var(--ink);
        line-height: 1.4;
        margin: 16px 0 8px;
    }
    .topic-picker .t-sub {
        font-size: 14px;
        color: var(--faint);
        line-height: 1.7;
    }
    .topic-picker .t-meta {
        font-family: var(--font-mono);
        font-size: 20px;
        font-weight: 600;
        color: var(--faint);
        border-top: 1px solid var(--edge);
        margin-top: 20px;
        padding-top: 14px;
        display: flex;
        justify-content: space-between;
    }
    .icon-badge {
        width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(201,242,74,.1);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.guide-card {
    border: 1px solid var(--edge);
    background: rgba(18,23,17,.9);
    border-radius: 20px;
    overflow: hidden;
}
.guide-card img { width: 100%; height: 163px; object-fit: cover; transition: transform .5s; }
.guide-card:hover img { transform: scale(1.03); }
.guide-card .g-body { padding: 24px; }
.guide-card h3 { font-size: 18px; font-weight: 700; margin: 12px 0 10px; }
.guide-card p { font-size: 14px; color: var(--faint); line-height: 1.7; }
.case-card {
    background: var(--panel);
}
.more-links {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    transition: color .2s;
}
.more-links:hover { color: var(--signal); }
.footer-groups {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    margin-top: 48px;
}
.dark-note {
    background: rgba(18,23,17,.9);
}
:is(.more-links, .nav-cta):focus-visible {
    outline: 2px solid var(--signal);
}

/* FAQ */
.faq-items { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--edge); }
.faq-item:first-of-type { border-top: 1px solid var(--edge); }
.faq-q {
    background: transparent;
    color: var(--ink);
    width: 100%;
    padding: 26px 60px 26px 20px;
    font-size: 16px;
    text-align: left;
    font-weight: 600;
    display: block;
    position: relative;
    border-radius: 0;
}
.faq-q:after, .faq-q:before { content: ""; position: absolute; right: 22px; top: 48px; width: 14px; height: 2px; background: var(--faint); }
.faq-q:after { transform: rotate(90deg); transition: transform .25s; }
.faq-item.active .faq-q:after { transform: rotate(0deg); }
.cards-row { grid-template-columns: repeat(3, 1fr); }
.manual-card { padding: 32px 28px; background: var(--panel); border-radius: 6px; }
.threehold {
    row-gap: 10px;
}

/* cta */
.cta-area {
    background: var(--panel);
    border: 1px solid vaR(--edge);
    border-radius: 26px;
    padding: 56px 48px;
}
.cta-area .tt { font-size: 26px; font-weight: 800; line-height: 1.3; max-width: 580px; }

footer {
    background: var(--primary);
    border-top: 1px solid var(--edge);
    padding: 48px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 36px;
}
.footer-brand p { font-size: 14px; }
.footer-col li { list-style: none; margin-bottom: 8px; }
.footer-col h4 { color: var(--faint); font-size: 14px; text-transform: uppercase; letter-spacing: .3px; margin-bottom: 18px; }
.footer-logo { color: var(--ink); font-weight: 800; font-size: 20px; margin-bottom: 12px; padding: 0 0 12px; }
.footer-logo span { color: var(--accent); }
.footer-col ul { padding-left: 0; }
.footer-col li a { color: var(--sub); font-size: 14px; position: relative; padding-left: 2px; transition: left .2s; }
.footer-col li a:hover { border-left: 2px solid var(--accent); padding-left: 10px; color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--edge); padding: 24px 0 0; display: flex; gap: 18px; font-size: 13px; color: var(--faint); flex-wrap: wrap; justify-content: space-between; }

/* below 992 */
@media (max-width: 992px) {
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
    .info-bar { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; background: var(--panel); padding-bottom: 0; border-radius: 16; }
    .step-card { border-right: 0; border-bottom: 1px solid var(--edge); }
    .carousel-card { padding: 26px 18px; }
}
@media (max-width: 768px) {
    .site-header .header-inner { flex-wrap: nowrap; gap: 8px; }
    .nav-menu { display: none; position: absolute; top: 68px; left: 0; width: 100%; background: var(--primary); flex-direction: column; align-items: flex-start; padding: 18px 24px 24px; border-bottom: 1px solid var(--edge); gap: 4px; }
    .nav-menu.open { display: flex; }
    .nav-toggle { display: flex; }
    .nav-toggle svg { width: 20px; height: 20px; }
    .nav-menu.has-scroll { max-height: 60vh; overflow-y: auto; padding-bottom: 12px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .navbar-bottom { grid-template-columns: repeat(2, 1fr); }
    @media(min-width: 640px){ .btn-secondary, .btn-primary{ padding: 0 12px; } }
    .meter-strip { grid-template-columns: 1fr 1fr; }
    .comparison-inner { padding-left: 0; }
    .comparison-panel { padding: 24px 26px; }
}

@media (max-width: 640px) {
    .hero-title { line-height: 1.26; }
    .section { padding: 52px 0; }
    .step-card { width: 100%; }
    .steps-grid { gap: 10px; }
    .footer-groups { display: grid; grid-template-columns: 1fr; gap: 28px; }
    .footer-grid { grid-template-columns: 1fr; }
}
/* 二次干净 CSS 变量核心 */
:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
}
.more-links:hover { color: #d9f560; }
ul { margin-left: 0; }

/* roulang page: category3 */
:root {
    --bg-dark: #0B0F09;
    --bg-panel: #121711;
    --bg-card: #1A2119;
    --border-line: rgba(255, 255, 255, 0.08);
    --accent: #C9F24A;
    --accent-2: #FF5A36;
    --text-main: #F4F7EC;
    --text-sub: #B7C0AC;
    --text-weak: #7C866E;
    --paper: #F5F3EA;
    --paper-text: #1B2017;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 10px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Apple SD Gothic Neo', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== 顶部导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 15, 9, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background-color .3s ease;
    backdrop-filter: none;
}

.site-header.scrolled {
    background: #0b0f09;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.logo-text {
    font-size: 1.18rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.01em;
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--accent);
    margin-right: 2px;
    font-weight: 900;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-menu a {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-sub);
    font-weight: 500;
    position: relative;
    transition: color .2s, background-color .2s;
}

.nav-menu a:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.nav-menu a.active {
    color: var(--accent);
    font-weight: 700;
    background: rgba(201, 242, 74, 0.08);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 20px;
    border-radius: 10px;
    background: var(--accent);
    color: #0B0F09;
    font-weight: 700;
    font-size: 0.88rem;
    white-space: nowrap;
    transition: background-color .2s, transform .15s, box-shadow .2s;
}

.nav-cta:hover {
    background: #d7f963;
    color: #0B0F09;
    box-shadow: 0 4px 14px rgba(201, 242, 74, 0.2);
    transform: translateY(-1px);
}

.nav-cta:active {
    transform: translateY(0) scale(0.98);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-main);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-toggle svg {
    width: 22px;
    height: 22px;
}

/* ===== 移动端导航 ===== */
@media (max-width: 1024px) {
    .header-inner {
        flex-wrap: wrap;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #0d120a;
        border-bottom: 1px solid var(--border-line);
        padding: 16px 24px 24px;
        gap: 4px;
        align-items: flex-start;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-menu a {
        display: block;
        width: 100%;
        padding: 12px 12px;
        font-size: 1rem;
        border-radius: 8px;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .nav-cta {
        margin-left: auto;
    }
}

@media (max-width: 640px) {
    .logo-text {
        font-size: 1rem;
    }
    .nav-cta {
        display: none;
    }
    .header-inner {
        height: 64px;
    }
    .nav-menu {
        top: 64px;
    }
}

/* ===== 分类页 Hero ===== */
.category-hero {
    position: relative;
    padding: 150px 0 72px;
    background-color: #0B0F09;
    overflow: hidden;
    background-image: url('/assets/images/backpic/back-2.png');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.category-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(11, 15, 9, 0.97) 20%, rgba(11, 15, 9, 0.7) 100%);
    z-index: 1;
}

.category-hero>.container {
    position: relative;
    z-index: 5;
}

.category-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.03em;
    border: 1px solid rgba(201, 242, 74, 0.3);
    padding: 6px 14px;
    border-radius: 40px;
    margin-bottom: 22px;
    background: rgba(201, 242, 74, 0.06);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.3rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: #fff;
    margin-bottom: 20px;
    max-width: 690px;
}

.hero-title .yellow-text {
    color: var(--accent);
}

.hero-desc {
    font-size: 1.08rem;
    color: var(--text-sub);
    max-width: 620px;
    line-height: 1.9;
    margin-bottom: 26px;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-weak);
}

.hero-meta .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 90, 54, 0.5);
    background: rgba(255, 90, 54, 0.15);
    color: #ffb09b;
    padding: 4px 12px;
    border-radius: 40px;
    font-weight: 600;
}

.hero-meta .status-badge.ok {
    border: 1px solid rgba(201, 242, 74, 0.4);
    background: rgba(201, 242, 74, 0.1);
    color: var(--accent);
}

/* ===== 路径面包屑 ===== */
.breadcrumb {
    padding: 16px 0 0;
    font-size: 0.82rem;
    color: var(--text-weak);
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-sub);
}

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

.breadcrumb span.sep {
    color: #4c5545;
}

.breadcrumb .current {
    color: var(--text-main);
}

/* ===== 分类概要指标 ===== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-lg);
    background: rgba(18, 23, 17, 0.7);
    margin-top: 40px;
    overflow: hidden;
}

.kpi-item {
    padding: 26px 24px;
    border-right: 1px solid var(--border-line);
}

.kpi-item:last-child {
    border-right: none;
}

.kpi-label {
    font-size: 0.82rem;
    color: var(--text-weak);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.kpi-number {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    font-family: 'SF Mono', 'Roboto Mono', Consolas, monospace;
}

.kpi-number .accent {
    color: var(--accent);
}

.kpi-number .orange {
    color: var(--accent-2);
}

.kpi-sub {
    font-size: 0.78rem;
    color: var(--text-sub);
    margin-top: 8px;
}

@media (max-width: 768px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .kpi-item:nth-child(2n) {
        border-right: none;
    }
    .kpi-item:nth-child(-n+2) {
        border-bottom: 1px solid var(--border-line);
    }
}

/* ===== 通用区块标题 ===== */
.section-title-wrap {
    margin-bottom: 40px;
}

.section-kicker {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.7rem, 3.6vw, 2.3rem);
    font-weight: 800;
    line-height: 1.3;
    color: #fff;
    letter-spacing: -0.01em;
}

.section-sub {
    margin-top: 14px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-sub);
    max-width: 720px;
}

/* ===== 分类操作提示条 ===== */
.tip-strip {
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    padding: 22px 26px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid rgba(201, 242, 74, 0.2);
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tip-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(201, 242, 74, 0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tip-content {
    flex: 1;
    min-width: 240px;
}

.tip-content strong {
    color: #fff;
    display: block;
    font-size: 0.98rem;
    margin-bottom: 4px;
}

.tip-content p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== 线路检测卡 ===== */
.route-check-section {
    padding: 72px 0;
    background: var(--bg-dark);
}

.route-card-large {
    display: grid;
    grid-template-columns: 1.1fr 1.4fr;
    border-radius: var(--radius-lg);
    background: var(--bg-panel);
    border: 1px solid var(--border-line);
    overflow: hidden;
    margin-bottom: 28px;
}

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

.route-side {
    padding: 34px 32px;
    background: rgba(201, 242, 74, 0.04);
    border-right: 1px solid var(--border-line);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.route-side .route-tag {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--accent);
    border: 1px solid rgba(201, 242, 74, 0.4);
    padding: 4px 12px;
    border-radius: 30px;
    margin-bottom: 14px;
    align-self: flex-start;
    background: rgba(201, 242, 74, 0.06);
}

.route-side h3 {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.35;
    color: #fff;
    margin-bottom: 14px;
}

.route-side p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-sub);
}

.route-content {
    padding: 34px 32px;
}

.route-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.route-stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    border-radius: 14px;
    padding: 18px 16px;
}

.route-stat-label {
    font-size: 0.75rem;
    color: var(--text-weak);
    margin-bottom: 6px;
}

.route-stat-value {
    font-family: 'SF Mono', 'Roboto Mono', Consolas, monospace;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
}

.route-stat-value.green {
    color: var(--accent);
}

.route-stat-value.orange {
    color: var(--accent-2);
}

.route-chart {
    height: 90px;
    display: flex;
    align-items: flex-end;
    gap: 6px;
    padding: 10px 0 0;
    margin-top: 6px;
}

.route-chart .bar {
    flex: 1;
    border-radius: 4px 4px 2px 2px;
    background: linear-gradient(180deg, rgba(201, 242, 74, 0.7), rgba(201, 242, 74, 0.12));
    min-width: 8px;
    transition: height .3s ease;
}

.route-chart .bar.orange-bar {
    background: linear-gradient(180deg, rgba(255, 90, 54, 0.7), rgba(255, 90, 54, 0.1));
}

.route-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.note-chip {
    font-size: 0.78rem;
    color: var(--text-sub);
    background: rgba(255, 255, 255, 0.03);
    padding: 6px 14px;
    border-radius: 30px;
    border: 1px solid var(--border-line);
}

.route-card-small {
    background: var(--bg-panel);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-line);
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: background-color .3s, transform .3s, border-color .3s;
    position: relative;
    overflow: hidden;
}

.route-card-small:hover {
    border-color: rgba(201, 242, 74, 0.3);
    background: #151c13;
    transform: translateY(-3px);
}

.route-card-small .tag {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 700;
}

.route-card-small .name {
    font-size: 1.18rem;
    font-weight: 800;
    color: #fff;
}

.route-card-small .data-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-sub);
}

.route-card-small .data-row .num {
    font-family: 'SF Mono', 'Roboto Mono', Consolas, monospace;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-main);
}

.route-card-small .data-row .num.green {
    color: var(--accent);
}

@media (max-width: 900px) {
    .route-card-large {
        grid-template-columns: 1fr;
    }
    .route-side {
        border-right: none;
        border-bottom: 1px solid var(--border-line);
        padding: 26px 24px;
    }
    .route-card-series {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .route-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .route-side,
    .route-content {
        padding: 22px 18px;
    }
}

/* ===== 使用场景 ===== */
.scenario-panel-section {
    padding: 72px 0;
    background: var(--bg-panel);
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.scenario-card {
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-md);
    padding: 32px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: flex-start;
    transition: border-color .3s, transform .3s;
}

.scenario-card:hover {
    border-color: rgba(255, 90, 54, 0.25);
    transform: translateY(-2px);
}

.scenario-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(201, 242, 74, 0.08);
    border: 1px solid rgba(201, 242, 74, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.scenario-content h3 {
    color: #fff;
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.5;
}

.scenario-content p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    .scenario-card {
        grid-template-columns: 1fr;
        padding: 24px;
        gap: 16px;
    }
}

/* ===== 历史检测面板 ===== */
.history-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-size: 0.9rem;
}

.history-head {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
    padding: 14px 22px;
    font-weight: 700;
    color: var(--text-weak);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-line);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.history-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
    padding: 16px 22px;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.history-row:last-child {
    border-bottom: none;
}

.history-rowe {
    color: var(--text-main);
    font-weight: 500;
}

.history-row .down {
    color: var(--accent-2);
}

.history-row .up {
    color: var(--accent);
}

.history-row .row-num {
    font-family: 'SF Mono', 'Roboto Mono', Consolas, monospace;
}

@media (max-width: 640px) {
    .history-head {
        display: none;
    }
    .history-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 14px;
        gap: 6px;
    }
    .history-row .time-col {
        grid-column: span 2;
    }
}

/* ===== 检测流程步骤 ===== */
.steps-panel {
    background: var(--bg-dark);
    padding: 72px 0;
}

.steps-panel .steps-inner {
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-line);
    padding: 50px;
}

.step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    counter-reset: step;
}

.step-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 28px 22px;
    border: 1px solid var(--border-line);
}

.step-num {
    font-family: 'SF Mono', 'Roboto Mono', Consolas, monospace;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 14px;
    display: block;
}

.step-card h3 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.88rem;
    color: var(--text-sub);
    line-height: 1.7;
}

.step-card .btn-small-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--accent);
    font-size: 0.84rem;
    font-weight: 600;
}

@media (max-width: 900px) {
    .step-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-panel .steps-inner {
        padding: 30px 20px;
    }
}

@media (max-width: 520px) {
    .step-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 其他分类横幅循环 ===== */
.other-cats-section {
    background: var(--bg-panel);
    padding: 60px 0;
    border-top: 1px solid var(--border-line);
    border-bottom: 1px solid var(--border-line);
}

.other-cats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.other-cat-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.other-cat-link:hover {
    border-color: rgba(201, 242, 74, 0.5);
    color: var(--accent);
    background: rgba(201, 242, 74, 0.05);
    translate: 0 -2px;
}

.other-cat-link .arrow-icon {
    color: var(--accent);
}

/* ===== FAQ 区块 ===== */
.faq-section {
    background: var(--bg-dark);
    padding: 80px 0;
}

.faq-wrapper {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--bg-panel);
    border: 1px solid var(--border-line);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color .3s ease;
}

.faq-item[open] {
    border-color: rgba(201, 242, 74, 0.35);
}

.faq-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 22px 26px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.98rem;
    line-height: 1.5;
    color: #fff;
    list-style: none;
    user-select: none;
}

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

.faq-summary .icon-box {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-sub);
    transition: all 0.3s;
}

.faq-item[open] .icon-box {
    background: rgba(201, 242, 74, 0.12);
    color: var(--accent);
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 26px 22px 26px;
    background: var(--bg-panel);
}

.faq-answer p {
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.9;
    border-left: 3px solid var(--accent);
    padding-left: 18px;
}

/* ===== CTA 区块 ===== */
.cta-section {
    padding: 72px 0;
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 480px;
    height: 480px;
    border: 1px solid rgba(201, 242, 74, 0.08);
    border-radius: 50%;
    right: -160px;
    top: -100px;
    pointer-events: none;
}

.cta-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cta-info .section-kicker {
    margin-bottom: 10px;
}

.cta-info h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 18px;
    max-width: 460px;
}

.cta-info p {
    color: var(--text-sub);
    line-height: 1.9;
    font-size: 1rem;
    max-width: 430px;
}

.cta-highlight-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cta-highlight-list .li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-main);
}

.cta-highlight-list .li svg {
    color: var(--accent);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.cta-form-box {
    background: var(--paper);
    border-radius: 20px;
    padding: 36px;
    color: var(--paper-text);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-form-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #171b13;
    margin-bottom: 6px;
}

.cta-form-subtitle {
    font-size: 0.86rem;
    color: #585f4d;
    margin-bottom: 26px;
    line-height: 1.6;
}

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

.form-field label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 7px;
    color: #333a29;
}

.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    height: 46px;
    border-radius: 10px;
    border: 1px solid #d6d9cb;
    background: #fff;
    padding: 0 14px;
    font-size: 0.9rem;
    color: #1d2318;
    transition: border-color 0.3s;
}

.form-field textarea {
    height: 90px;
    padding: 12px 14px;
    resize: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 242, 74, 0.2);
}

.submit-btn {
    width: 100%;
    height: 50px;
    border: none;
    border-radius: 10px;
    background: var(--accent);
    color: #0B0F09;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color .2s, transform .2s;
}

.submit-btn:hover {
    background: #d7f963;
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0) scale(0.98);
}

.form-success-msg {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 10px;
    background: rgba(201, 242, 74, 0.2);
    color: #2a3606;
    font-size: 0.88rem;
    text-align: center;
    display: none;
}

.form-success-msg.show {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 860px) {
    .cta-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .cta-section {
        padding: 56px 0;
    }
    .cta-form-box {
        padding: 24px;
    }
}

/* ===== 页脚 ===== */
.site-footer {
    background: #070a06;
    padding: 62px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand .footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 18px;
}

.footer-brand p {
    color: var(--text-weak);
    font-size: 0.9rem;
    line-height: 1.9;
    max-width: 400px;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: var(--text-sub);
    transition: color .2s, padding-left .2s;
}

.footer-col ul li a:hover,
.footer-col ul li a:focus {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-line);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-weak);
}

.footer-bottom .copyright {
    color: var(--text-sub);
}

.footer-tech {
    color: var(--text-weak);
}

@media (max-width: 800px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-bottom: 30px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }
}

/* ===== 通用区块 ===== */
.surface-section {
    background: var(--bg-panel);
}

.grid-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gap-y-60 {
    gap: 60px 24px;
}

/* ===== 竖排线路列表 ===== */
.vertical-routes {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.vertical-route {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--bg-panel);
    border: 1px solid var(--border-line);
    border-radius: 14px;
    padding: 18px 22px;
    transition: all 0.3s;
}

.vertical-route:hover {
    border-color: rgba(201, 242, 74, 0.2);
    background: var(--bg-card);
}

.vertical-route .info-l {
    display: flex;
    align-items: center;
    gap: 14px;
}

.vertical-route .route-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(201, 242, 74, 0.4);
}

.vertical-route .route-dot.orange {
    background: var(--accent-2);
    box-shadow: 0 0 10px rgba(255, 90, 54, 0.3);
}

.vertical-route .route-name {
    color: #fff;
    font-weight: 600;
    font-size: 0.94rem;
}

.vertical-route .route-status {
    color: var(--accent);
    font-size: 0.8rem;
}

.vertical-route .route-status.orange-text {
    color: var(--accent-2);
}

.vertical-route .route-metrics {
    display: flex;
    gap: 24px;
    color: var(--text-sub);
    font-size: 0.82rem;
    font-family: 'SF Mono', 'Roboto Mono', Consolas, monospace;
}

@media (max-width: 620px) {
    .vertical-route {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .vertical-route .route-metrics {
        gap: 16px;
    }
}

/* roulang page: category4 */
:root {
        --base: #0B0F09;
        --inner: #121711;
        --surface: #1A2119;
        --line: rgba(255, 255, 255, 0.08);
        --linestrong: rgba(255, 255, 255, 0.14);
        --accent: #C9F24A;
        --signal: #FF5A36;
        --text: #F4F7EC;
        --soft: #B7C0AC;
        --muted: #7C866E;
        --paper: #F5F3EA;
        --papertext: #1B2017;
        --radius-xl: 20px;
        --radius-lg: 16px;
        --radius-md: 10px;
        --font-main: "Apple SD Gothic Neo", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        background: var(--base);
        color: var(--text);
        font-family: var(--font-main);
        font-size: 17px;
        line-height: 1.78;
        -webkit-font-smoothing: antialiased;
        margin: 0;
    }
    img {
        display: block;
        max-width: 100%;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    ul,
    ol {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    h1,
    h2,
    h3,
    h4,
    p {
        margin: 0;
    }
    .container {
        width: 100%;
        max-width: 1260px;
        margin: 0 auto;
        padding: 0 24px;
    }
    ::selection {
        background: var(--accent);
        color: var(--base);
    }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 74px;
        z-index: 70;
        background: rgba(11, 15, 9, 0.96);
        border-bottom: 1px solid var(--line);
        transition: background 0.25s, box-shadow 0.25s;
    }
    .site-header.scrolled {
        background: var(--base);
        box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
    }
    .header-inner {
        height: 74px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }
    .logo-text {
        display: inline-flex;
        align-items: baseline;
        font-weight: 800;
        color: var(--text);
        white-space: nowrap;
        letter-spacing: 0.02em;
        line-height: 1.2;
        font-size: clamp(0.98rem, 1.7vw, 1.14rem);
    }
    .logo-accent {
        color: var(--accent);
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 22px;
    }
    .nav-menu a {
        position: relative;
        display: inline-block;
        padding: 10px 2px;
        color: var(--soft);
        font-size: 0.95rem;
        font-weight: 500;
        white-space: nowrap;
        transition: color 0.2s;
    }
    .nav-menu a:hover {
        color: var(--text);
    }
    .nav-menu a.active {
        color: var(--accent);
    }
    .nav-menu a.active::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 2px;
        border-radius: 4px;
        background: var(--accent);
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 42px;
        padding: 0 18px;
        background: var(--accent);
        color: #10150c;
        font-size: 0.92rem;
        font-weight: 700;
        border-radius: 999px;
        transition: background 0.2s, transform 0.2s;
        white-space: nowrap;
    }
    .nav-cta:hover {
        background: #daf97a;
    }
    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1px solid var(--linestrong);
        border-radius: 10px;
        color: var(--text);
        cursor: pointer;
    }
    .nav-toggle svg {
        width: 20px;
        height: 20px;
    }
    .nav-toggle:focus-visible,
    .nav-menu a:focus-visible,
    .btn:focus-visible,
    .faq-q:focus-visible,
    .form-input:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--signal);
        outline-offset: 3px;
        border-radius: 4px;
    }
    @media (max-width: 1023px) {
        .nav-menu {
            position: absolute;
            top: 74px;
            left: 0;
            right: 0;
            flex-direction: column;
            align-items: stretch;
            gap: 2px;
            padding: 14px 24px 18px;
            background: var(--inner);
            border-bottom: 1px solid var(--line);
            opacity: 0;
            transform: translateY(-8px);
            pointer-events: none;
            transition: opacity 0.25s, transform 0.25s;
        }
        .nav-menu.open {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .nav-menu a {
            padding: 12px 2px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 1rem;
        }
        .nav-menu a.active::after {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
        }
        .nav-cta {
            display: inline-flex;
        }
    }
    @media (max-width: 520px) {
        .logo-text {
            font-size: 0.92rem;
        }
        .nav-cta {
            height: 38px;
            padding: 0 13px;
            font-size: 0.85rem;
        }
        .nav-toggle {
            width: 38px;
            height: 38px;
        }
        .container {
            padding: 0 18px;
        }
    }

    .hero {
        position: relative;
        display: flex;
        align-items: center;
        min-height: 82vh;
        padding: 148px 0 80px;
        background:
            linear-gradient(105deg, rgba(11, 15, 9, 0.98) 0%, rgba(11, 15, 9, 0.94) 30%, rgba(11, 15, 9, 0.82) 66%, rgba(11, 15, 9, 0.66) 100%),
            url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
        border-bottom: 1px solid var(--line);
        overflow: hidden;
    }
    .hero-layout {
        display: grid;
        grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
        gap: 48px;
        align-items: center;
        width: 100%;
    }
    .hero-content {
        position: relative;
        z-index: 2;
    }
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 26px;
        border: 1px solid rgba(201, 242, 74, 0.42);
        border-radius: 999px;
        padding: 8px 16px;
        background: rgba(201, 242, 74, 0.06);
        color: var(--accent);
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.06em;
    }
    .eyebrow-dot {
        width: 7px;
        height: 7px;
        border-radius: 999px;
        background: var(--accent);
        box-shadow: 0 0 0 4px rgba(201, 242, 74, 0.13);
    }
    .hero h1 {
        color: var(--text);
        font-size: clamp(2.5rem, 5.4vw, 4.4rem);
        font-weight: 800;
        line-height: 1.12;
        letter-spacing: -0.03em;
        margin-bottom: 24px;
    }
    .hero-lead {
        max-width: 34em;
        color: var(--soft);
        font-size: 1.12rem;
        line-height: 1.9;
        margin-bottom: 34px;
    }
    .hero-lead strong {
        color: var(--accent);
        font-weight: 700;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 26px;
    }
    .hero-note {
        color: var(--muted);
        font-size: 0.92rem;
        line-height: 1.7;
    }
    .status-panel {
        position: relative;
        z-index: 2;
        border: 1px solid var(--line);
        border-radius: var(--radius-xl);
        background: rgba(18, 23, 17, 0.78);
        padding: 24px;
        box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
    }
    .status-panel-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 18px;
        padding-bottom: 16px;
        border-bottom: 1px solid var(--line);
    }
    .status-panel-title {
        color: var(--text);
        font-size: 0.95rem;
        font-weight: 700;
    }
    .status-chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        color: var(--accent);
        border: 1px solid rgba(201, 242, 74, 0.35);
        border-radius: 999px;
        padding: 3px 10px;
    }
    .signal-dot {
        width: 7px;
        height: 7px;
        border-radius: 999px;
        background: var(--accent);
    }
    .signal-dot.signal-orange {
        background: var(--signal);
    }
    .signal-dot.signal-soft {
        background: var(--soft);
    }
    .status-row {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding: 13px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.045);
        align-items: center;
    }
    .status-row:last-child {
        border-bottom: 0;
        padding-bottom: 0;
    }
    .status-row-label {
        color: var(--soft);
        font-size: 0.92rem;
        line-height: 1.6;
    }
    .status-row-value {
        color: var(--text);
        font-size: 0.92rem;
        font-weight: 700;
    }
    .status-number {
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        font-size: 1.15rem;
        color: var(--accent);
        font-weight: 700;
    }
    @media (max-width: 960px) {
        .hero {
            padding-top: 132px;
            min-height: auto;
        }
        .hero-layout {
            grid-template-columns: 1fr;
            gap: 34px;
        }
        .status-panel {
            max-width: 520px;
        }
    }

    .metric-strip {
        background: var(--inner);
        border-bottom: 1px solid var(--line);
    }
    .metric-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }
    .metric-item {
        padding: 30px 22px;
    }
    .metric-item + .metric-item {
        border-left: 1px solid var(--line);
    }
    .metric-value {
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        font-size: 2.2rem;
        font-weight: 800;
        letter-spacing: -0.04em;
        color: var(--accent);
        line-height: 1.1;
    }
    .metric-unit {
        font-size: 0.94rem;
        font-weight: 600;
        color: var(--soft);
        margin-left: 6px;
    }
    .metric-label {
        margin-top: 10px;
        color: var(--muted);
        font-size: 0.9rem;
        line-height: 1.5;
    }
    @media (max-width: 900px) {
        .metric-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .metric-item:nth-child(3) {
            border-left: 0;
            border-top: 1px solid var(--line);
        }
        .metric-item:nth-child(4) {
            border-top: 1px solid var(--line);
        }
        .metric-item {
            padding: 22px 18px;
        }
    }
    @media (max-width: 540px) {
        .metric-grid {
            grid-template-columns: 1fr 1fr;
        }
        .metric-item {
            padding: 18px 12px;
        }
        .metric-value {
            font-size: 1.7rem;
        }
    }

    .section {
        position: relative;
        padding: 92px 0;
    }
    .section-soft {
        background: var(--inner);
    }
    .section-head {
        max-width: 820px;
        margin-bottom: 46px;
    }
    .section-kicker {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
        color: var(--accent);
        font-size: 0.92rem;
        font-weight: 600;
        letter-spacing: 0.08em;
    }
    .section-kicker::before {
        content: "";
        width: 22px;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
    }
    .section-head h2 {
        color: var(--text);
        font-size: clamp(1.9rem, 3.4vw, 3rem);
        font-weight: 800;
        line-height: 1.28;
        letter-spacing: -0.025em;
        margin: 8px 0 14px;
    }
    .section-head p {
        color: var(--soft);
        font-size: 1.02rem;
        line-height: 1.85;
        max-width: 46em;
    }
    .section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .section-head.center .section-kicker {
        justify-content: center;
    }
    .section-head.center .section-kicker::before {
        display: none;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 48px;
        padding: 0 22px;
        border: 1px solid transparent;
        border-radius: 12px;
        font-size: 0.98rem;
        font-weight: 700;
        transition: all 0.22s;
        cursor: pointer;
        line-height: 1;
    }
    .btn-primary {
        background: var(--accent);
        color: #10150c;
    }
    .btn-primary:hover {
        background: #dcf97b;
        transform: translateY(-1px);
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    .btn-secondary {
        background: transparent;
        color: var(--accent);
        border-color: rgba(201, 242, 74, 0.6);
    }
    .btn-secondary:hover {
        background: rgba(201, 242, 74, 0.12);
    }
    .btn-dark {
        background: var(--papertext);
        color: var(--accent);
    }
    .btn-dark:hover {
        background: #11140d;
    }
    .arrow-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--accent);
        font-size: 0.93rem;
        font-weight: 700;
        white-space: nowrap;
        transition: gap 0.2s, color 0.2s;
    }
    .arrow-link:hover {
        gap: 10px;
        color: #e1fc8a;
    }
    .arrow-link svg {
        width: 15px;
        height: 15px;
    }

    .meta-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 12px;
        border-radius: 999px;
        border: 1px solid rgba(255, 90, 54, 0.45);
        color: var(--signal);
        font-size: 0.82rem;
        font-weight: 600;
        background: rgba(255, 90, 54, 0.06);
    }
    .meta-tag.green {
        border-color: rgba(201, 242, 74, 0.38);
        color: var(--accent);
        background: rgba(201, 242, 74, 0.06);
    }
    .card-hover {
        transition: transform 0.2s, border-color 0.2s, background 0.2s;
    }
    .card-hover:hover {
        transform: translateY(-3px);
        border-color: rgba(201, 242, 74, 0.25);
    }
    .icon-square {
        width: 42px;
        height: 42px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        background: rgba(255, 255, 255, 0.05);
        color: var(--accent);
    }
    .text-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .list-marker {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        color: var(--soft);
        line-height: 1.7;
    }
    .list-marker::before {
        content: "";
        width: 9px;
        height: 2px;
        background: var(--accent);
        margin-top: 13px;
        flex: 0 0 auto;
        border-radius: 2px;
    }
    .list-marker strong {
        color: var(--text);
        font-weight: 600;
    }

    .route-card {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        height: 100%;
    }
    .route-index {
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        color: var(--accent);
        font-size: 0.95rem;
        font-weight: 700;
        letter-spacing: 0.04em;
    }
    .status-ledger {
        border: 1px solid var(--line);
        border-radius: var(--radius-xl);
        background: var(--surface);
        overflow: hidden;
    }
    .ledger-row {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr 1.1fr 1.15fr;
        align-items: center;
        gap: 22px;
        padding: 21px 26px;
        border-bottom: 1px solid var(--line);
        transition: background 0.2s;
    }
    .ledger-row:last-child {
        border-bottom: 0;
    }
    .ledger-row:hover {
        background: rgba(255, 255, 255, 0.025);
    }
    .ledger-head-row {
        background: rgba(255, 255, 255, 0.035);
        color: var(--muted);
        font-size: 0.86rem;
        font-weight: 600;
        letter-spacing: 0.04em;
    }
    .ledger-title {
        color: var(--text);
        font-weight: 700;
        font-size: 0.98rem;
    }
    .ledger-state {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--accent);
        font-size: 0.92rem;
        font-weight: 600;
    }
    .ledger-desc {
        color: var(--soft);
        font-size: 0.94rem;
        line-height: 1.6;
    }
    .ledger-suggest {
        color: var(--muted);
        font-size: 0.9rem;
        line-height: 1.6;
    }
    @media (max-width: 960px) {
        .ledger-row {
            grid-template-columns: 1fr 1fr;
            gap: 10px 16px;
            padding: 18px 20px;
        }
        .ledger-head-row {
            display: none;
        }
    }
    @media (max-width: 560px) {
        .ledger-row {
            grid-template-columns: 1fr;
            gap: 8px;
            padding: 16px;
        }
    }

    .faq-list {
        max-width: 860px;
        margin-top: 44px;
    }
    .faq-item {
        border-bottom: 1px solid var(--line);
        transition: border-color 0.2s;
    }
    .faq-item.open {
        border-color: rgba(201, 242, 74, 0.24);
    }
    .faq-q {
        width: 100%;
        display: flex;
        gap: 22px;
        align-items: flex-start;
        padding: 26px 6px 24px 14px;
        background: none;
        border: 0;
        color: var(--text);
        cursor: pointer;
        text-align: left;
    }
    .faq-q:hover .faq-title {
        color: var(--accent);
    }
    .faq-index {
        font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        color: var(--accent);
        font-size: 0.92rem;
        font-weight: 700;
        letter-spacing: 0.03em;
        margin-top: 2px;
    }
    .faq-title {
        flex: 1;
        font-size: 1.06rem;
        font-weight: 700;
        line-height: 1.6;
        transition: color 0.2s;
    }
    .faq-toggle {
        width: 26px;
        height: 26px;
        flex: 0 0 auto;
        position: relative;
        border-radius: 8px;
        border: 1px solid var(--line);
        margin-top: 1px;
        transition: transform 0.25s, border-color 0.2s, color 0.2s;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--soft);
        font-size: 1.1rem;
        font-weight: 400;
        line-height: 1;
    }
    .faq-item.open .faq-toggle {
        transform: rotate(45deg);
        color: var(--accent);
        border-color: rgba(201, 242, 74, 0.4);
    }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }
    .faq-a-inner {
        padding: 0 8px 26px 14px;
        margin-left: 48px;
        color: var(--soft);
        font-size: 1rem;
        line-height: 1.85;
        max-width: 42em;
    }
    @media (max-width: 640px) {
        .faq-q {
            padding-left: 8px;
            gap: 14px;
        }
        .faq-a-inner {
            margin-left: 32px;
            padding-left: 2px;
        }
    }

    .cta-wrap {
        border-top: 1px solid var(--line);
        background: var(--inner);
    }
    .cta-grid {
        display: grid;
        grid-template-columns: 0.95fr 1.05fr;
        gap: 48px;
        align-items: start;
    }
    .form-card {
        background: var(--paper);
        color: var(--papertext);
        border-radius: var(--radius-xl);
        padding: 28px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
    }
    .form-label {
        display: block;
        color: var(--papertext);
        font-size: 0.9rem;
        font-weight: 700;
        margin-bottom: 7px;
    }
    .form-input {
        width: 100%;
        height: 48px;
        border: 1px solid #d4d0c2;
        border-radius: 10px;
        background: #fff;
        padding: 0 14px;
        color: var(--papertext);
        font-size: 0.96rem;
        transition: border-color 0.2s, box-shadow 0.2s;
    }
    .form-input:focus {
        outline: none;
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(201, 242, 74, 0.2);
    }
    textarea.form-input {
        height: 118px;
        padding: 12px 14px;
        resize: vertical;
        line-height: 1.6;
    }
    .form-input::placeholder {
        color: #a8a292;
    }
    .form-success {
        padding: 22px 20px;
        background: var(--paper);
        border: 1px solid rgba(27, 32, 23, 0.12);
        border-radius: 14px;
        color: var(--papertext);
        font-size: 1rem;
        line-height: 1.8;
    }
    .form-success strong {
        color: #314d00;
    }
    @media (max-width: 900px) {
        .cta-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .section {
            padding: 68px 0;
        }
    }
    @media (max-width: 520px) {
        .form-card {
            padding: 20px;
        }
    }

    .site-footer {
        background: #090d08;
        border-top: 1px solid var(--line);
        padding: 70px 0 36px;
        color: var(--soft);
        font-size: 0.96rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 0.9fr 1fr;
        gap: 56px;
    }
    .footer-logo {
        color: var(--text);
        font-size: 1.3rem;
        font-weight: 800;
    }
    .footer-brand p {
        margin-top: 20px;
        max-width: 38em;
        color: var(--muted);
        line-height: 1.9;
        font-size: 0.95rem;
    }
    .footer-col h4 {
        color: var(--text);
        font-size: 0.98rem;
        font-weight: 700;
        letter-spacing: 0.04em;
        margin-bottom: 20px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col a {
        display: inline-block;
        position: relative;
        color: var(--soft);
        transition: color 0.2s;
    }
    .footer-col a:hover {
        color: var(--accent);
    }
    .footer-col a::before {
        content: "";
        position: absolute;
        left: -10px;
        top: 50%;
        width: 3px;
        height: 0;
        border-radius: 3px;
        background: var(--accent);
        transform: translateY(-50%);
        transition: height 0.2s, opacity 0.2s;
        opacity: 0;
    }
    .footer-col a:hover::before {
        height: 12px;
        opacity: 1;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 52px;
        padding-top: 24px;
        border-top: 1px solid var(--line);
        color: var(--muted);
        font-size: 0.9rem;
    }
    .copyright {
        color: var(--soft);
    }
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 44px;
        }
    }
    @media (max-width: 700px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }