/* roulang page: index */
:root {
        --color-primary: #1D3D34;
        --color-primary-dark: #152C26;
        --color-accent: #BC8F4F;
        --color-accent-hover: #A27A3E;
        --color-bg: #F6F3ED;
        --color-bg-white: #FFFFFF;
        --color-text: #272420;
        --color-text-muted: #6F685E;
        --color-border: #E7E2D9;
        --color-rise: #B5543F;
        --color-fall: #5C7A6D;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 12px rgba(29, 61, 52, 0.06);
        --shadow-hover: 0 6px 20px rgba(29, 61, 52, 0.10);
        --transition-base: 0.2s ease-in-out;
        --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
        --font-family-numeric: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
        --container-max: 1200px;
        --container-padding: 24px;
        --header-height: 76px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-family-base);
        font-size: 16px;
        line-height: 1.75;
        color: var(--color-text);
        background-color: var(--color-bg);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-base), opacity var(--transition-base);
    }
    a:hover {
        color: var(--color-accent);
    }
    a:focus,
    button:focus,
    input:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
    button,
    input {
        font-family: var(--font-family-base);
        font-size: 16px;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
    }
    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-base);
        border: none;
        text-align: center;
        line-height: 1.4;
        text-decoration: none;
    }
    .btn-primary {
        background-color: var(--color-accent);
        color: #FFFFFF;
    }
    .btn-primary:hover {
        background-color: var(--color-accent-hover);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(188, 143, 79, 0.28);
    }
    .btn-primary:active {
        background-color: #8C6A35;
        transform: translateY(0);
        box-shadow: none;
    }
    .btn-secondary {
        background-color: transparent;
        color: var(--color-primary);
        border: 1px solid var(--color-primary);
    }
    .btn-secondary:hover {
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }
    .btn-secondary:active {
        background-color: rgba(29, 61, 52, 0.15);
        transform: translateY(0);
    }
    .btn-light {
        background-color: #FFFFFF;
        color: var(--color-primary);
        border: 1px solid transparent;
    }
    .btn-light:hover {
        background-color: var(--color-accent);
        color: #FFFFFF;
        transform: translateY(-2px);
    }
    /* ===== Header / Navigation ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: rgba(246, 243, 237, 0.96);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--color-border);
        height: var(--header-height);
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(29, 61, 52, 0.04);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
    .site-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .site-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background-color: var(--color-primary);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 18px;
        font-weight: 700;
    }
    .site-logo .logo-highlight {
        color: var(--color-accent);
    }
    .site-logo:hover {
        color: var(--color-primary);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
    }
    .main-nav a {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-muted);
        position: relative;
        padding: 8px 0;
        transition: color var(--transition-base);
    }
    .main-nav a:hover,
    .main-nav a:focus {
        color: var(--color-primary);
    }
    .main-nav a.active {
        color: var(--color-primary);
        font-weight: 700;
    }
    .main-nav a.active::before {
        content: '';
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 100%;
        height: 3px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }
    .nav-cta {
        margin-left: 12px;
    }
    .nav-cta .btn {
        padding: 10px 22px;
        font-size: 14px;
        white-space: nowrap;
    }
    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        background: none;
        border: none;
        padding: 8px;
        z-index: 1001;
    }
    .hamburger span {
        display: block;
        width: 24px;
        height: 2.5px;
        background-color: var(--color-primary);
        border-radius: 2px;
        transition: all var(--transition-base);
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-primary-dark);
        z-index: 999;
        padding: 30px 24px 40px;
        flex-direction: column;
        gap: 16px;
        overflow-y: auto;
    }
    .mobile-menu.open {
        display: flex;
    }
    .mobile-menu a {
        color: #FFFFFF;
        font-size: 17px;
        font-weight: 600;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        transition: color var(--transition-base);
        display: block;
    }
    .mobile-menu a:hover,
    .mobile-menu a:focus {
        color: var(--color-accent);
    }
    .mobile-menu a.active {
        color: var(--color-accent);
        font-weight: 700;
    }
    .mobile-menu .btn {
        margin-top: 16px;
        width: 100%;
        padding: 14px;
    }
    /* ===== Section Base ===== */
    .section {
        padding: 64px 0;
    }
    .section-alt {
        background-color: var(--color-bg-white);
    }
    .section-dark {
        background-color: var(--color-primary);
        color: #FFFFFF;
    }
    .section-header {
        margin-bottom: 36px;
    }
    .section-header h2 {
        font-size: 30px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: 0.3px;
        line-height: 1.3;
        margin-bottom: 10px;
    }
    .section-header .section-subtitle {
        font-size: 16px;
        color: var(--color-text-muted);
        max-width: 680px;
        line-height: 1.7;
    }
    .section-header.center {
        text-align: center;
    }
    .section-header.center .section-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .section-dark .section-header h2 {
        color: #FFFFFF;
    }
    .section-dark .section-header .section-subtitle {
        color: rgba(255, 255, 255, 0.75);
    }
    /* ===== Badge / Tag ===== */
    .badge {
        display: inline-block;
        padding: 2px 10px;
        border-radius: var(--radius-sm);
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 0.3px;
        line-height: 1.6;
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
    }
    .badge-accent {
        background-color: rgba(188, 143, 79, 0.14);
        color: var(--color-accent-hover);
    }
    .badge-rise {
        background-color: rgba(181, 84, 63, 0.12);
        color: var(--color-rise);
    }
    .badge-fall {
        background-color: rgba(92, 122, 109, 0.12);
        color: var(--color-fall);
    }
    /* ===== Hero Section ===== */
    .hero-section {
        background: linear-gradient(145deg, #F6F3ED 40%, #E9E6DE 100%);
        position: relative;
        overflow: hidden;
        padding: 72px 0 80px;
        min-height: 78vh;
        display: flex;
        align-items: center;
    }
    .hero-section::before {
        content: '';
        position: absolute;
        top: -20%;
        right: -10%;
        width: 60%;
        height: 80%;
        background: radial-gradient(circle at top right, rgba(29, 61, 52, 0.12) 0%, transparent 65%);
        pointer-events: none;
    }
    .hero-section .container {
        display: flex;
        align-items: center;
        gap: 48px;
        width: 100%;
    }
    .hero-content {
        flex: 1.15;
        position: relative;
        z-index: 2;
    }
    .hero-badge {
        display: inline-block;
        background-color: rgba(188, 143, 79, 0.12);
        color: var(--color-accent-hover);
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.3px;
        margin-bottom: 18px;
    }
    .hero-content h1 {
        font-size: 46px;
        font-weight: 800;
        color: var(--color-primary);
        line-height: 1.18;
        letter-spacing: 0.5px;
        margin-bottom: 20px;
    }
    .hero-content h1 .highlight {
        color: var(--color-accent);
    }
    .hero-content .hero-subtitle {
        font-size: 17px;
        color: var(--color-text-muted);
        line-height: 1.75;
        max-width: 520px;
        margin-bottom: 32px;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 28px;
    }
    .hero-meta-row {
        display: flex;
        flex-wrap: wrap;
        gap: 22px;
        padding-top: 20px;
        border-top: 1px solid var(--color-border);
        font-size: 13px;
        color: var(--color-text-muted);
    }
    .hero-meta-row .meta-item {
        display: flex;
        align-items: center;
        gap: 6px;
        font-weight: 500;
    }
    .hero-meta-row .meta-item strong {
        color: var(--color-primary);
        font-weight: 700;
        font-size: 14px;
    }
    .hero-visual {
        flex: 0.95;
        position: relative;
        z-index: 2;
        min-height: 380px;
    }
    .hero-visual .hero-image-wrap {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 20px 48px rgba(29, 61, 52, 0.16);
        position: relative;
        aspect-ratio: 4 / 3;
        background-color: var(--color-primary);
    }
    .hero-visual .hero-image-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
    .hero-visual .hero-image-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 24px;
        background: linear-gradient(to top, rgba(21, 44, 38, 0.86) 20%, transparent 100%);
        color: #FFFFFF;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .hero-visual .overlay-title {
        font-size: 16px;
        font-weight: 700;
    }
    .hero-visual .overlay-row {
        display: flex;
        gap: 16px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.85);
    }
    .hero-visual .overlay-row .dot {
        color: var(--color-accent);
        font-weight: 700;
    }
    /* ===== Market Ticker Bar ===== */
    .market-ticker {
        background-color: #FFFFFF;
        border-bottom: 1px solid var(--color-border);
        padding: 22px 0;
        box-shadow: var(--shadow-sm);
    }
    .market-ticker .ticker-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 18px;
    }
    .ticker-item {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: 14px 18px;
        border-radius: var(--radius-sm);
        background-color: var(--color-bg);
        border: 1px solid var(--color-border);
        transition: box-shadow var(--transition-base);
    }
    .ticker-item:hover {
        box-shadow: var(--shadow-sm);
    }
    .ticker-item .ticker-label {
        font-size: 12px;
        font-weight: 600;
        color: var(--color-text-muted);
        letter-spacing: 0.3px;
    }
    .ticker-item .ticker-value {
        font-family: var(--font-family-numeric);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-primary);
        font-feature-settings: "tnum";
        letter-spacing: -0.5px;
    }
    .ticker-item .ticker-change {
        font-family: var(--font-family-numeric);
        font-size: 13px;
        font-weight: 600;
        font-feature-settings: "tnum";
    }
    .ticker-item .ticker-change.rise {
        color: var(--color-rise);
    }
    .ticker-item .ticker-change.fall {
        color: var(--color-fall);
    }
    /* ===== Card Grid Generic ===== */
    .card-grid {
        display: grid;
        gap: 24px;
    }
    .card-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
    .card-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .card-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    /* ===== Preferred Target Cards ===== */
    .target-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 22px 20px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        gap: 10px;
        position: relative;
    }
    .target-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .target-card .target-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }
    .target-card .target-name {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        letter-spacing: 0.3px;
    }
    .target-card .target-metrics {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        font-family: var(--font-family-numeric);
        font-size: 13px;
        color: var(--color-text-muted);
    }
    .target-card .target-desc {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.65;
    }
    .target-card .target-link {
        margin-top: auto;
        font-size: 13px;
        font-weight: 600;
        color: var(--color-accent);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .target-card .target-link:hover {
        color: var(--color-accent-hover);
    }
    /* ===== Strategy Matrix ===== */
    .strategy-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: 26px 24px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    .strategy-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 5px;
        background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    }
    .strategy-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }
    .strategy-card .strategy-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: 10px;
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .strategy-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 8px;
        letter-spacing: 0.3px;
    }
    .strategy-card p {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 12px;
    }
    .strategy-card .strategy-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    /* ===== Category Entry ===== */
    .category-entry-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .category-entry-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: 34px 28px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        text-decoration: none;
        display: flex;
        flex-direction: column;
        position: relative;
        overflow: hidden;
    }
    .category-entry-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .category-entry-card .cat-entry-tag {
        display: inline-block;
        background-color: rgba(188, 143, 79, 0.14);
        color: var(--color-accent-hover);
        padding: 3px 12px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        margin-bottom: 16px;
        align-self: flex-start;
    }
    .category-entry-card h3 {
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        margin-bottom: 10px;
        letter-spacing: 0.3px;
    }
    .category-entry-card p {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 20px;
        flex-grow: 1;
    }
    .category-entry-card .entry-cta {
        font-weight: 600;
        font-size: 14px;
        color: var(--color-accent);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition-base);
    }
    .category-entry-card:hover .entry-cta {
        color: var(--color-accent-hover);
        gap: 8px;
    }
    /* ===== Cycle Visualization ===== */
    .cycle-panel {
        background-color: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        display: grid;
        grid-template-columns: 1.2fr 2fr;
        gap: 32px;
        align-items: center;
    }
    .cycle-left h3 {
        font-size: 22px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 12px;
    }
    .cycle-left p {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
    }
    .cycle-right {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .cycle-stage {
        flex: 1;
        text-align: center;
        padding: 18px 12px;
        border-radius: var(--radius-md);
        background-color: var(--color-bg);
        position: relative;
        transition: background var(--transition-base);
    }
    .cycle-stage:hover {
        background-color: rgba(188, 143, 79, 0.10);
    }
    .cycle-stage .stage-dot {
        display: block;
        width: 14px;
        height: 14px;
        border-radius: 50%;
        background-color: var(--color-primary);
        margin: 0 auto 10px;
    }
    .cycle-stage .stage-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-primary);
        display: block;
        margin-bottom: 2px;
    }
    .cycle-stage .stage-mini {
        font-size: 11px;
        color: var(--color-text-muted);
    }
    .cycle-arrow {
        font-size: 20px;
        color: var(--color-accent);
        flex-shrink: 0;
        padding: 0 4px;
        font-weight: 700;
    }
    .cycle-observation {
        margin-top: 20px;
        padding-top: 16px;
        border-top: 1px solid var(--color-border);
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }
    .cycle-observation .obs-item {
        font-size: 13px;
        color: var(--color-text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
        font-weight: 500;
    }
    .cycle-observation .obs-item::before {
        content: '◆';
        color: var(--color-accent);
        font-size: 10px;
    }
    /* ===== News CMS Cards ===== */
    .news-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 20px 18px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        gap: 8px;
        text-decoration: none;
        cursor: pointer;
    }
    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .news-card .news-tag {
        align-self: flex-start;
    }
    .news-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.5;
        letter-spacing: 0.2px;
    }
    .news-card p {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.65;
    }
    .news-card time {
        font-size: 12px;
        color: var(--color-text-muted);
        font-family: var(--font-family-numeric);
    }
    .cms-empty {
        border: 2px dashed var(--color-border);
        border-radius: var(--radius-md);
        padding: 40px 20px;
        text-align: center;
        color: var(--color-text-muted);
        font-size: 14px;
        background-color: var(--color-bg);
    }
    .section-more-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-accent);
        transition: gap var(--transition-base);
    }
    .section-more-link:hover {
        color: var(--color-accent-hover);
        gap: 10px;
    }
    .section-head-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 32px;
        flex-wrap: wrap;
    }
    /* ===== Research Report Cards ===== */
    .report-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
    }
    .report-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .report-card .report-img {
        aspect-ratio: 3 / 2;
        overflow: hidden;
        background-color: var(--color-primary);
        position: relative;
    }
    .report-card .report-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .report-card:hover .report-img img {
        transform: scale(1.04);
    }
    .report-card .report-body {
        padding: 20px 18px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        flex: 1;
    }
    .report-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.5;
    }
    .report-card .report-meta {
        display: flex;
        gap: 12px;
        font-size: 12px;
        color: var(--color-text-muted);
        font-family: var(--font-family-numeric);
    }
    .report-card .report-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-top: 4px;
    }
    /* ===== Risk Control Panel ===== */
    .risk-panel {
        background-color: #FFFCF5;
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-sm);
    }
    .risk-list {
        list-style: none;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .risk-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        font-size: 14px;
        color: var(--color-text);
        line-height: 1.65;
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        transition: background var(--transition-base);
    }
    .risk-list li:hover {
        background-color: rgba(188, 143, 79, 0.08);
    }
    .risk-list li .risk-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background-color: rgba(181, 84, 63, 0.12);
        color: var(--color-rise);
        font-size: 14px;
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 2px;
    }
    /* ===== Portfolio Sample ===== */
    .portfolio-panel {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    .portfolio-block {
        background-color: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: 26px 24px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
    }
    .portfolio-block h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 10px;
    }
    .portfolio-block .portfolio-desc {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.65;
        margin-bottom: 16px;
    }
    .portfolio-bar-row {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 10px;
        font-size: 13px;
        color: var(--color-text-muted);
    }
    .portfolio-bar-row .bar-label {
        flex-basis: 72px;
        flex-shrink: 0;
    }
    .portfolio-bar-row .bar-track {
        flex: 1;
        height: 10px;
        background-color: var(--color-bg);
        border-radius: 6px;
        overflow: hidden;
    }
    .portfolio-bar-row .bar-fill {
        height: 100%;
        border-radius: 6px;
        background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    }
    .portfolio-bar-row .bar-pct {
        flex-basis: 42px;
        text-align: right;
        font-family: var(--font-family-numeric);
        font-weight: 600;
        color: var(--color-primary);
    }
    /* ===== Deep Observation ===== */
    .deep-observation {
        display: flex;
        gap: 36px;
        align-items: stretch;
        background-color: #FFFFFF;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
    }
    .deep-observation .obs-image {
        flex: 1;
        min-height: 300px;
        background-color: var(--color-primary);
        position: relative;
    }
    .deep-observation .obs-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
    .deep-observation .obs-content {
        flex: 1.2;
        padding: 32px 28px;
        display: flex;
        flex-direction: column;
        gap: 12px;
        justify-content: center;
    }
    .deep-observation .obs-content h3 {
        font-size: 22px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 6px;
    }
    .deep-observation .obs-item {
        display: flex;
        gap: 10px;
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.65;
        padding: 6px 0;
        border-bottom: 1px solid var(--color-border);
    }
    .deep-observation .obs-item:last-child {
        border-bottom: none;
    }
    .deep-observation .obs-item .obs-num {
        color: var(--color-accent);
        font-weight: 700;
        flex-shrink: 0;
        min-width: 22px;
    }
    /* ===== Classroom Cards ===== */
    .lesson-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 22px 18px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        gap: 10px;
        position: relative;
    }
    .lesson-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .lesson-card .lesson-icon {
        font-size: 28px;
        font-weight: 700;
        color: var(--color-accent);
        line-height: 1;
        margin-bottom: 4px;
    }
    .lesson-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.45;
    }
    .lesson-card .lesson-meta {
        display: flex;
        gap: 12px;
        font-size: 12px;
        color: var(--color-text-muted);
        font-family: var(--font-family-numeric);
    }
    .lesson-card .lesson-level {
        align-self: flex-start;
    }
    /* ===== Case Study ===== */
    .case-panel {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .case-card {
        background-color: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 24px 20px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        gap: 10px;
        position: relative;
    }
    .case-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .case-card .case-step {
        display: inline-block;
        background-color: var(--color-primary);
        color: #FFFFFF;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 14px;
        margin-bottom: 8px;
    }
    .case-card .case-label {
        font-size: 11px;
        font-weight: 600;
        color: var(--color-accent-hover);
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    .case-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.45;
    }
    .case-card p {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.65;
    }
    /* ===== Stats Section ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .stat-item {
        text-align: center;
        padding: 28px 16px;
        background-color: rgba(255, 255, 255, 0.06);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 255, 255, 0.12);
        transition: all var(--transition-base);
    }
    .stat-item:hover {
        background-color: rgba(255, 255, 255, 0.10);
        transform: translateY(-3px);
    }
    .stat-item .stat-number {
        font-family: var(--font-family-numeric);
        font-size: 38px;
        font-weight: 800;
        color: #FFFFFF;
        font-feature-settings: "tnum";
        letter-spacing: -1px;
        display: block;
        margin-bottom: 6px;
    }
    .stat-item .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        font-weight: 500;
    }
    /* ===== FAQ ===== */
    .faq-container {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .faq-item {
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        background-color: #FFFFFF;
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-sm);
    }
    .faq-item summary {
        cursor: pointer;
        padding: 18px 22px;
        font-weight: 600;
        font-size: 15px;
        color: var(--color-primary);
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        position: relative;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary::after {
        content: '+';
        font-size: 22px;
        font-weight: 600;
        color: var(--color-accent);
        transition: transform var(--transition-base);
        flex-shrink: 0;
    }
    .faq-item[open] summary::after {
        content: '−';
        transform: rotate(0deg);
    }
    .faq-item .faq-answer {
        padding: 0 22px 20px;
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.75;
    }
    /* ===== CTA Section ===== */
    .cta-section {
        background-color: var(--color-primary-dark);
        border-radius: var(--radius-lg);
        padding: 52px 32px;
        text-align: center;
        color: #FFFFFF;
        position: relative;
        overflow: hidden;
        margin: 0 auto;
        max-width: var(--container-max);
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: -40%;
        left: -10%;
        width: 50%;
        height: 80%;
        background: radial-gradient(circle, rgba(188, 143, 79, 0.16) 0%, transparent 65%);
    }
    .cta-section h2 {
        font-size: 30px;
        font-weight: 800;
        letter-spacing: 0.3px;
        margin-bottom: 12px;
    }
    .cta-section p {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.75);
        max-width: 520px;
        margin: 0 auto 28px;
        line-height: 1.75;
    }
    .cta-section .cta-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
        position: relative;
        z-index: 2;
    }
    /* ===== Footer ===== */
    .site-footer {
        background-color: var(--color-primary-dark);
        color: rgba(255, 255, 255, 0.8);
        border-top: 2px solid var(--color-accent);
        margin-top: 0;
    }
    .site-footer .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 40px;
        padding: 48px 0 32px;
    }
    .footer-brand .footer-logo {
        font-size: 22px;
        font-weight: 800;
        color: #FFFFFF;
        letter-spacing: 0.5px;
        margin-bottom: 10px;
    }
    .footer-brand .footer-logo .highlight {
        color: var(--color-accent);
    }
    .footer-brand p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.7;
        max-width: 260px;
    }
    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #FFFFFF;
        letter-spacing: 0.5px;
        margin-bottom: 16px;
    }
    .footer-col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col ul a {
        color: rgba(255, 255, 255, 0.7);
        font-size: 13px;
        transition: color var(--transition-base);
    }
    .footer-col ul a:hover,
    .footer-col ul a:focus {
        color: var(--color-accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 18px 0 22px;
        text-align: center;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.7);
    }
    .footer-bottom a:hover {
        color: var(--color-accent);
    }
    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        :root {
            --container-padding: 20px;
        }
        .card-grid-4 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid-3 {
            grid-template-columns: repeat(2, 1fr);
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .market-ticker .ticker-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .hero-section .container {
            gap: 32px;
        }
        .hero-content h1 {
            font-size: 38px;
        }
    }
    @media (max-width: 768px) {
        :root {
            --container-padding: 16px;
            --header-height: 64px;
        }
        body {
            font-size: 15px;
        }
        .section {
            padding: 44px 0;
        }
        .section-header h2 {
            font-size: 24px;
        }
        .main-nav {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .hamburger {
            display: flex;
        }
        .hero-section {
            padding: 48px 0 56px;
            min-height: auto;
        }
        .hero-section .container {
            flex-direction: column;
            gap: 28px;
        }
        .hero-content h1 {
            font-size: 30px;
            letter-spacing: 0.2px;
        }
        .hero-content .hero-subtitle {
            font-size: 15px;
        }
        .hero-visual {
            min-height: 260px;
            width: 100%;
        }
        .hero-visual .hero-image-wrap {
            aspect-ratio: 16 / 9;
        }
        .hero-actions {
            flex-direction: column;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .market-ticker .ticker-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid-4,
        .card-grid-3,
        .card-grid-2 {
            grid-template-columns: 1fr;
        }
        .category-entry-grid {
            grid-template-columns: 1fr;
        }
        .cycle-panel {
            grid-template-columns: 1fr;
        }
        .cycle-right {
            flex-wrap: wrap;
            gap: 6px;
        }
        .cycle-stage {
            padding: 12px 8px;
        }
        .risk-list {
            grid-template-columns: 1fr;
        }
        .portfolio-panel {
            grid-template-columns: 1fr;
        }
        .deep-observation {
            flex-direction: column;
        }
        .deep-observation .obs-image {
            min-height: 200px;
        }
        .case-panel {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .site-footer .footer-top {
            grid-template-columns: 1fr;
            gap: 28px;
            padding: 36px 0 24px;
        }
        .section-head-row {
            flex-direction: column;
            align-items: flex-start;
        }
    }
    @media (max-width: 520px) {
        .market-ticker .ticker-grid {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .stat-item .stat-number {
            font-size: 30px;
        }
        .hero-content h1 {
            font-size: 26px;
        }
        .btn {
            padding: 12px 20px;
            font-size: 14px;
        }
        .cta-section h2 {
            font-size: 24px;
        }
    }

/* roulang page: category1 */
/* ===== roulang design system for category1 ===== */
:root {
        --color-primary: #1D3D34;
        --color-primary-dark: #152C26;
        --color-accent: #BC8F4F;
        --color-accent-hover: #A27A3E;
        --color-bg: #F6F3ED;
        --color-bg-white: #FFFFFF;
        --color-text: #272420;
        --color-text-muted: #6F685E;
        --color-border: #E7E2D9;
        --color-rise: #B5543F;
        --color-fall: #5C7A6D;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 12px rgba(29, 61, 52, 0.06);
        --shadow-hover: 0 6px 20px rgba(29, 61, 52, 0.10);
        --transition-base: 0.2s ease-in-out;
        --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
        --font-family-numeric: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
        --container-max: 1200px;
        --container-padding: 24px;
        --header-height: 76px;
    }
html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
body {
        font-family: var(--font-family-base);
        font-size: 16px;
        line-height: 1.75;
        color: var(--color-text);
        background-color: var(--color-bg);
        margin: 0;
        padding: 0;
    }
img {
        max-width: 100%;
        height: auto;
        display: block;
    }
a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-base), opacity var(--transition-base);
    }
a:hover {
        color: var(--color-accent);
    }
a:focus,
    button:focus,
    input:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
button,
    input {
        font-family: var(--font-family-base);
        font-size: 16px;
    }
.container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
/* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-base);
        border: none;
        text-align: center;
        line-height: 1.4;
        text-decoration: none;
    }
.btn-primary {
        background-color: var(--color-accent);
        color: #FFFFFF;
    }
.btn-primary:hover {
        background-color: var(--color-accent-hover);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(188, 143, 79, 0.28);
    }
.btn-primary:active {
        background-color: #8C6A35;
        transform: translateY(0);
        box-shadow: none;
    }
.btn-secondary {
        background-color: transparent;
        color: var(--color-primary);
        border: 1px solid var(--color-primary);
    }
.btn-secondary:hover {
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }
.btn-secondary:active {
        background-color: rgba(29, 61, 52, 0.15);
        transform: translateY(0);
    }
.btn-light {
        background-color: #FFFFFF;
        color: var(--color-primary);
        border: 1px solid transparent;
    }
.btn-light:hover {
        background-color: var(--color-accent);
        color: #FFFFFF;
        transform: translateY(-2px);
    }
/* ===== Header / Navigation ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: rgba(246, 243, 237, 0.96);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--color-border);
        height: var(--header-height);
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(29, 61, 52, 0.04);
    }
.site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
.site-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
        text-decoration: none;
    }
.site-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background-color: var(--color-primary);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 18px;
        font-weight: 700;
        flex-shrink: 0;
    }
.site-logo .logo-highlight {
        color: var(--color-accent);
    }
.site-logo:hover {
        color: var(--color-primary);
    }
.main-nav {
        display: flex;
        align-items: center;
        gap: 26px;
    }
.main-nav a {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-muted);
        position: relative;
        padding: 8px 0;
        transition: color var(--transition-base);
        text-decoration: none;
    }
.main-nav a:hover,
    .main-nav a:focus {
        color: var(--color-primary);
    }
.main-nav a.active {
        color: var(--color-primary);
        font-weight: 700;
    }
.main-nav a.active::before {
        content: '';
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 100%;
        height: 3px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }
.nav-cta {
        margin-left: 10px;
        white-space: nowrap;
    }
.nav-cta .btn {
        padding: 10px 22px;
        font-size: 14px;
    }
.hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        background: none;
        border: none;
        padding: 8px 4px;
    }
.hamburger span {
        display: block;
        width: 26px;
        height: 2px;
        background-color: var(--color-primary);
        border-radius: 2px;
        transition: all var(--transition-base);
    }
/* ===== Category H1 zone ===== */
    .category-hero {
        background: linear-gradient(135deg, rgba(29, 61, 52, 0.04) 0%, rgba(246, 243, 237, 0.98) 45%, #FFFFFF 100%);
        border-bottom: 1px solid var(--color-border);
        padding: 40px 0 32px;
    }
.category-hero .cat-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 14px;
        background-color: rgba(188, 143, 79, 0.12);
        color: var(--color-accent);
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 14px;
    }
.category-hero h1 {
        font-size: 38px;
        font-weight: 800;
        color: var(--color-primary);
        line-height: 1.25;
        margin: 0 0 10px;
        letter-spacing: 0.5px;
    }
.category-hero .cat-subtitle {
        font-size: 16px;
        color: var(--color-text-muted);
        max-width: 560px;
        line-height: 1.7;
        margin: 0;
    }
.category-hero .cat-accent-line {
        width: 56px;
        height: 4px;
        background-color: var(--color-accent);
        border-radius: 2px;
        margin: 18px 0 0;
    }
/* ===== Scope items ===== */
    .scope-section {
        padding: 44px 0;
        background-color: var(--color-bg-white);
        border-bottom: 1px solid var(--color-border);
    }
.scope-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
.scope-card {
        background-color: var(--color-bg);
        border-radius: var(--radius-md);
        padding: 22px 20px;
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
    }
.scope-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
        border-color: var(--color-accent);
    }
.scope-card .scope-icon {
        width: 40px;
        height: 40px;
        border-radius: 8px;
        background-color: var(--color-primary);
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 16px;
        margin-bottom: 12px;
        flex-shrink: 0;
    }
.scope-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0 0 8px;
        line-height: 1.4;
    }
.scope-card p {
        font-size: 14px;
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.6;
    }
/* ===== Feature cards grid ===== */
    .feature-section {
        padding: 52px 0;
        background-color: var(--color-bg);
    }
.feature-section .section-head {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        margin-bottom: 26px;
        flex-wrap: wrap;
        gap: 12px;
    }
.feature-section .section-head h2 {
        font-size: 26px;
        font-weight: 800;
        color: var(--color-primary);
        margin: 0;
        line-height: 1.3;
    }
.feature-section .section-head .head-note {
        font-size: 14px;
        color: var(--color-text-muted);
    }
.feature-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
.feature-card {
        background-color: var(--color-bg-white);
        border-radius: var(--radius-md);
        border: 1px solid var(--color-border);
        overflow: hidden;
        transition: all var(--transition-base);
        display: flex;
        align-items: stretch;
        min-height: 168px;
    }
.feature-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        border-color: var(--color-accent);
    }
.feature-card .card-thumb {
        width: 45%;
        max-width: 220px;
        flex-shrink: 0;
        background-color: var(--color-bg);
        overflow: hidden;
        position: relative;
    }
.feature-card .card-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
.feature-card .card-body {
        flex: 1;
        padding: 20px 18px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        min-width: 0;
    }
.feature-card .card-body .badge-row {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
    }
.feature-card .card-body .cms-category-badge {
        display: inline-flex;
        padding: 2px 10px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
    }
.feature-card .card-body h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--color-text);
        margin: 0;
        line-height: 1.45;
    }
.feature-card .card-body p {
        font-size: 14px;
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
.feature-card .card-body .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: auto;
        font-size: 12px;
        color: var(--color-text-muted);
    }
.feature-card .card-body .card-meta time {
        font-family: var(--font-family-numeric);
    }
.feature-card .card-body .read-link {
        font-weight: 600;
        font-size: 13px;
        color: var(--color-accent);
        text-decoration: none;
    }
.feature-card .card-body .read-link:hover {
        color: var(--color-accent-hover);
        text-decoration: underline;
    }
.empty-state {
        grid-column: 1 / -1;
        border: 1.5px dashed var(--color-border);
        border-radius: var(--radius-md);
        padding: 36px 20px;
        text-align: center;
        color: var(--color-text-muted);
        font-size: 14px;
        background-color: var(--color-bg-white);
    }
/* ===== Filter tags ===== */
    .filter-section {
        padding: 40px 0;
        background-color: var(--color-bg-white);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
.filter-section .section-head h2 {
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        margin: 0 0 18px;
    }
.filter-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
.filter-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: 24px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-primary);
        background-color: rgba(29, 61, 52, 0.06);
        border: 1px solid transparent;
        cursor: default;
        transition: all var(--transition-base);
    }
.filter-tag:hover {
        background-color: rgba(29, 61, 52, 0.12);
        border-color: var(--color-primary);
    }
.filter-tag .tag-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: var(--color-accent);
        flex-shrink: 0;
    }
/* ===== Stats ===== */
    .stats-section {
        padding: 48px 0;
        background-color: var(--color-bg);
    }
.stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
.stat-card {
        background-color: var(--color-bg-white);
        border-radius: var(--radius-md);
        padding: 26px 20px;
        text-align: center;
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
    }
.stat-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
.stat-card .stat-value {
        font-size: 34px;
        font-weight: 800;
        color: var(--color-primary);
        font-family: var(--font-family-numeric);
        line-height: 1.2;
        margin-bottom: 6px;
    }
.stat-card .stat-label {
        font-size: 14px;
        color: var(--color-text-muted);
        font-weight: 500;
    }
/* ===== Related list ===== */
    .related-section {
        padding: 48px 0;
        background-color: var(--color-bg-white);
        border-top: 1px solid var(--color-border);
    }
.related-section .section-head h2 {
        font-size: 24px;
        font-weight: 800;
        color: var(--color-primary);
        margin: 0 0 20px;
    }
.related-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
.related-item {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        padding: 18px 12px;
        border-bottom: 1px solid var(--color-border);
        transition: all var(--transition-base);
        text-decoration: none;
    }
.related-item:first-child {
        border-top: 1px solid var(--color-border);
    }
.related-item:hover {
        background-color: var(--color-bg);
        padding-left: 18px;
    }
.related-item .rel-index {
        font-size: 14px;
        font-weight: 700;
        color: var(--color-accent);
        font-family: var(--font-family-numeric);
        flex-shrink: 0;
        width: 28px;
        text-align: right;
        padding-top: 2px;
    }
.related-item .rel-content {
        flex: 1;
        min-width: 0;
    }
.related-item .rel-content h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--color-text);
        margin: 0 0 6px;
        line-height: 1.45;
    }
.related-item .rel-content p {
        font-size: 14px;
        color: var(--color-text-muted);
        margin: 0 0 6px;
        line-height: 1.55;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
.related-item .rel-content time {
        font-size: 12px;
        color: var(--color-text-muted);
        font-family: var(--font-family-numeric);
    }
/* ===== More link zone ===== */
    .more-zone {
        padding: 28px 0 40px;
        background-color: var(--color-bg-white);
        border-bottom: 1px solid var(--color-border);
        text-align: center;
    }
.more-zone .btn {
        padding: 12px 32px;
    }
/* ===== Bottom CTA ===== */
    .bottom-cta {
        padding: 52px 0;
        background-color: var(--color-primary-dark);
        color: #FFFFFF;
    }
.bottom-cta .cta-inner {
        text-align: center;
        max-width: 600px;
        margin: 0 auto;
    }
.bottom-cta h2 {
        font-size: 28px;
        font-weight: 800;
        color: #FFFFFF;
        margin: 0 0 12px;
        line-height: 1.3;
    }
.bottom-cta p {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.75);
        margin: 0 0 24px;
        line-height: 1.7;
    }
.bottom-cta .cta-actions {
        display: flex;
        gap: 14px;
        justify-content: center;
        flex-wrap: wrap;
    }
/* ===== Footer ===== */
    .site-footer {
        background-color: var(--color-primary);
        color: #FFFFFF;
        padding: 48px 0 0;
        border-top: 3px solid var(--color-accent);
    }
.site-footer .container {
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
.footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 32px;
    }
.footer-logo {
        font-size: 20px;
        font-weight: 800;
        color: #FFFFFF;
        letter-spacing: 0.5px;
    }
.footer-logo .highlight {
        color: var(--color-accent);
    }
.footer-brand p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
        margin: 12px 0 0;
        line-height: 1.7;
        max-width: 260px;
    }
.footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        color: #FFFFFF;
        margin: 0 0 14px;
        letter-spacing: 0.5px;
    }
.footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
.footer-col ul li {
        margin-bottom: 8px;
    }
.footer-col ul li a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        text-decoration: none;
        transition: color var(--transition-base);
    }
.footer-col ul li a:hover {
        color: var(--color-accent);
    }
.footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding: 20px 0 22px;
        text-align: center;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.55);
        line-height: 1.7;
    }
.footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
        text-decoration: none;
    }
.footer-bottom a:hover {
        color: var(--color-accent);
    }
/* ===== Responsive ===== */
    @media (max-width: 991px) {
        :root {
            --container-padding: 20px;
        }
        .main-nav {
            gap: 18px;
        }
        .main-nav a {
            font-size: 14px;
        }
        .scope-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .feature-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }
        .feature-card .card-thumb {
            width: 40%;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .footer-brand {
            grid-column: 1 / -1;
        }
    }
    @media (max-width: 767px) {
        :root {
            --container-padding: 16px;
            --header-height: 64px;
        }
        .hamburger {
            display: flex;
        }
        .main-nav {
            display: none;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            padding: 16px 20px;
            box-shadow: 0 12px 32px rgba(29, 61, 52, 0.18);
            z-index: 999;
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            text-align: left;
        }
        .main-nav a:last-child {
            border-bottom: none;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--color-accent);
        }
        .main-nav a.active {
            color: var(--color-accent);
            font-weight: 700;
        }
        .main-nav a.active::before {
            display: none;
        }
        .nav-cta {
            margin-left: 0;
            display: none;
        }
        .main-nav.open .nav-cta {
            display: block;
            margin-top: 12px;
        }
        .main-nav.open .nav-cta .btn {
            width: 100%;
        }
        .category-hero {
            padding: 32px 0 24px;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .category-hero .cat-subtitle {
            font-size: 15px;
        }
        .scope-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .feature-section {
            padding: 40px 0;
        }
        .feature-section .section-head {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .feature-section .section-head h2 {
            font-size: 22px;
        }
        .feature-card {
            flex-direction: column;
            min-height: auto;
        }
        .feature-card .card-thumb {
            width: 100%;
            max-width: 100%;
            height: 160px;
        }
        .feature-card .card-body {
            padding: 16px;
        }
        .filter-section {
            padding: 32px 0;
        }
        .filter-section .section-head h2 {
            font-size: 20px;
        }
        .filter-tags {
            gap: 8px;
        }
        .filter-tag {
            padding: 6px 14px;
            font-size: 13px;
        }
        .stats-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .stat-card .stat-value {
            font-size: 28px;
        }
        .related-section {
            padding: 36px 0;
        }
        .related-section .section-head h2 {
            font-size: 20px;
        }
        .related-item {
            padding: 14px 8px;
            gap: 10px;
        }
        .related-item:hover {
            padding-left: 12px;
        }
        .related-item .rel-content h3 {
            font-size: 15px;
        }
        .bottom-cta {
            padding: 40px 0;
        }
        .bottom-cta h2 {
            font-size: 22px;
        }
        .bottom-cta p {
            font-size: 14px;
        }
        .bottom-cta .cta-actions {
            flex-direction: column;
            align-items: center;
        }
        .bottom-cta .cta-actions .btn {
            width: 100%;
            max-width: 280px;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-brand {
            grid-column: auto;
        }
        .site-footer {
            padding-top: 36px;
        }
    }
    @media (max-width: 520px) {
        .category-hero h1 {
            font-size: 24px;
        }
        .feature-section .section-head h2 {
            font-size: 20px;
        }
        .stat-card .stat-value {
            font-size: 24px;
        }
        .bottom-cta h2 {
            font-size: 20px;
        }
    }

/* roulang page: article */
:root {
            --color-primary: #1D3D34;
            --color-primary-dark: #152C26;
            --color-accent: #BC8F4F;
            --color-accent-hover: #A27A3E;
            --color-bg: #F6F3ED;
            --color-bg-white: #FFFFFF;
            --color-text: #272420;
            --color-text-muted: #6F685E;
            --color-border: #E7E2D9;
            --color-rise: #B5543F;
            --color-fall: #5C7A6D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 12px rgba(29, 61, 52, 0.06);
            --shadow-hover: 0 6px 20px rgba(29, 61, 52, 0.10);
            --transition-base: 0.2s ease-in-out;
            --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
            --font-family-numeric: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
            --container-max: 1200px;
            --container-padding: 24px;
            --header-height: 76px;
        }

        @media (max-width: 991px) {
            :root {
                --container-padding: 20px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --container-padding: 16px;
                --header-height: 64px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), opacity var(--transition-base);
        }

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

        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        button,
        input {
            font-family: var(--font-family-base);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            border: none;
            text-align: center;
            line-height: 1.4;
            text-decoration: none;
        }

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

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(188, 143, 79, 0.28);
        }

        .btn-primary:active {
            background-color: #8C6A35;
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-secondary:hover {
            background-color: rgba(29, 61, 52, 0.08);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:active {
            background-color: rgba(29, 61, 52, 0.15);
            transform: translateY(0);
        }

        .btn-light {
            background-color: #FFFFFF;
            color: var(--color-primary);
            border: 1px solid transparent;
        }

        .btn-light:hover {
            background-color: var(--color-accent);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(246, 243, 237, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(29, 61, 52, 0.04);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .site-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 700;
        }

        .site-logo .logo-highlight {
            color: var(--color-accent);
        }

        .site-logo:hover {
            color: var(--color-primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-muted);
            position: relative;
            padding: 8px 0;
            transition: color var(--transition-base);
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--color-primary);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .main-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

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

        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
            white-space: nowrap;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 8px;
            z-index: 1002;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ===== Article Page Specific ===== */
        .article-page {
            padding-top: 48px;
            padding-bottom: 64px;
        }

        .article-breadcrumb {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

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

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

        .article-breadcrumb .separator {
            color: var(--color-border);
            font-size: 12px;
        }

        .article-breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 300px;
        }

        .article-header {
            max-width: 780px;
            margin: 0 auto 32px;
        }

        .article-header h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-primary);
            margin: 0 0 20px;
            letter-spacing: 0.3px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--color-text-muted);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }

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

        .article-meta .meta-item .meta-icon {
            width: 18px;
            height: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        .article-category-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            background-color: rgba(29, 61, 52, 0.08);
            color: var(--color-primary);
            letter-spacing: 0.3px;
        }

        .article-cover {
            max-width: 780px;
            margin: 0 auto 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        .article-cover .cover-caption {
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
            padding: 10px 16px;
            background-color: var(--color-bg-white);
            border-top: 1px solid var(--color-border);
        }

        .article-content {
            max-width: 780px;
            margin: 0 auto 40px;
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            letter-spacing: 0.2px;
        }

        .article-content p {
            margin: 0 0 1.5em;
            line-height: 1.85;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 2.2em 0 0.9em;
            line-height: 1.35;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(188, 143, 79, 0.25);
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 1.8em 0 0.7em;
            line-height: 1.4;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5em;
            padding-left: 1.6em;
        }

        .article-content li {
            margin-bottom: 0.6em;
            line-height: 1.8;
        }

        .article-content blockquote {
            margin: 1.8em 0;
            padding: 18px 24px;
            border-left: 4px solid var(--color-accent);
            background-color: rgba(188, 143, 79, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-muted);
            font-style: normal;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 2em auto;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            font-size: 14px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

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

        .article-content table th {
            background-color: var(--color-primary);
            color: #FFFFFF;
            font-weight: 700;
        }

        .article-content table tr:nth-child(even) td {
            background-color: rgba(246, 243, 237, 0.5);
        }

        .article-tags {
            max-width: 780px;
            margin: 0 auto 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-tags .tag-chip {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background-color: rgba(29, 61, 52, 0.06);
            color: var(--color-primary);
            border: 1px solid rgba(29, 61, 52, 0.1);
            transition: all var(--transition-base);
        }

        .article-tags .tag-chip:hover {
            background-color: rgba(188, 143, 79, 0.12);
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
        }

        .post-nav {
            max-width: 780px;
            margin: 0 auto 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .post-nav .post-nav-card {
            background-color: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .post-nav .post-nav-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .post-nav .post-nav-card .nav-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }

        .post-nav .post-nav-card .nav-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-nav .post-nav-card.next {
            text-align: right;
        }

        .post-nav .post-nav-card.next .nav-label {
            text-align: right;
        }

        .article-return {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
            padding-top: 32px;
            border-top: 1px solid var(--color-border);
        }

        .related-posts {
            max-width: 1140px;
            margin: 0 auto 0;
            padding-top: 40px;
            border-top: 1px solid var(--color-border);
        }

        .related-posts .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .related-posts .section-header h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0;
        }

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

        .related-card {
            background-color: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .related-card .related-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.5px;
        }

        .related-card .related-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .related-excerpt {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .related-card .related-time {
            font-size: 12px;
            color: var(--color-text-muted);
            opacity: 0.8;
        }

        .article-not-found {
            max-width: 600px;
            margin: 80px auto;
            text-align: center;
            padding: 60px 32px;
            background-color: var(--color-bg-white);
            border: 2px dashed var(--color-border);
            border-radius: var(--radius-lg);
        }

        .article-not-found h2 {
            font-size: 24px;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .article-not-found p {
            color: var(--color-text-muted);
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            padding: 56px 0 24px;
        }

        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }

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

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            display: block;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .highlight {
            color: var(--color-accent);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-base);
        }

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

        /* ===== Mobile Navigation Overlay ===== */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(21, 44, 38, 0.98);
            z-index: 1001;
            padding: 80px 32px 32px;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-menu-overlay.open {
            display: flex;
        }

        .mobile-menu-overlay a {
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 600;
            padding: 10px 0;
            transition: color var(--transition-base);
        }

        .mobile-menu-overlay a:hover {
            color: var(--color-accent);
        }

        .mobile-menu-overlay .mobile-cta {
            width: 100%;
            max-width: 280px;
            margin-top: 16px;
        }

        /* ===== Responsive ===== */
        @media (min-width: 992px) {
            .mobile-menu-overlay {
                display: none !important;
            }
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .article-header h1 {
                font-size: 28px;
            }

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

        @media (max-width: 767px) {
            .article-page {
                padding-top: 28px;
                padding-bottom: 40px;
            }

            .article-header h1 {
                font-size: 24px;
            }

            .article-meta {
                gap: 10px;
                font-size: 13px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-content h2 {
                font-size: 21px;
            }

            .article-content h3 {
                font-size: 17px;
            }

            .post-nav {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .post-nav .post-nav-card.next {
                text-align: left;
            }

            .post-nav .post-nav-card.next .nav-label {
                text-align: left;
            }

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-brand p {
                max-width: 100%;
            }

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

        @media (max-width: 520px) {
            .article-header h1 {
                font-size: 22px;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .article-content {
                font-size: 14px;
            }

            .article-cover img {
                aspect-ratio: 4 / 3;
            }
        }

/* roulang page: category2 */
:root {
        --color-primary: #1D3D34;
        --color-primary-dark: #152C26;
        --color-accent: #BC8F4F;
        --color-accent-hover: #A27A3E;
        --color-bg: #F6F3ED;
        --color-bg-white: #FFFFFF;
        --color-text: #272420;
        --color-text-muted: #6F685E;
        --color-border: #E7E2D9;
        --color-rise: #B5543F;
        --color-fall: #5C7A6D;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 12px rgba(29, 61, 52, 0.06);
        --shadow-hover: 0 6px 20px rgba(29, 61, 52, 0.10);
        --transition-base: 0.2s ease-in-out;
        --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
        --font-family-numeric: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
        --container-max: 1200px;
        --container-padding: 24px;
        --header-height: 76px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

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

    body {
        font-family: var(--font-family-base);
        font-size: 16px;
        line-height: 1.75;
        color: var(--color-text);
        background-color: var(--color-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-base), opacity var(--transition-base);
    }
    a:hover {
        color: var(--color-accent);
    }
    a:focus,
    button:focus,
    input:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    button,
    input,
    select,
    textarea {
        font-family: var(--font-family-base);
        font-size: 16px;
    }

    ul,
    ol {
        list-style: none;
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-base);
        border: none;
        text-align: center;
        line-height: 1.4;
        text-decoration: none;
    }
    .btn-primary {
        background-color: var(--color-accent);
        color: #FFFFFF;
    }
    .btn-primary:hover {
        background-color: var(--color-accent-hover);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(188, 143, 79, 0.28);
    }
    .btn-primary:active {
        background-color: #8C6A35;
        transform: translateY(0);
        box-shadow: none;
    }
    .btn-secondary {
        background-color: transparent;
        color: var(--color-primary);
        border: 1px solid var(--color-primary);
    }
    .btn-secondary:hover {
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }
    .btn-secondary:active {
        background-color: rgba(29, 61, 52, 0.15);
        transform: translateY(0);
    }
    .btn-light {
        background-color: #FFFFFF;
        color: var(--color-primary);
        border: 1px solid transparent;
    }
    .btn-light:hover {
        background-color: var(--color-accent);
        color: #FFFFFF;
        transform: translateY(-2px);
    }
    .btn-sm {
        padding: 8px 18px;
        font-size: 13px;
    }

    /* ===== Header / Navigation ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: rgba(246, 243, 237, 0.96);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--color-border);
        height: var(--header-height);
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(29, 61, 52, 0.04);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }
    .site-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .site-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background-color: var(--color-primary);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 18px;
        font-weight: 700;
    }
    .site-logo .logo-highlight {
        color: var(--color-accent);
    }
    .site-logo:hover {
        color: var(--color-primary);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
    }
    .main-nav a {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-muted);
        position: relative;
        padding: 8px 0;
        transition: color var(--transition-base);
    }
    .main-nav a:hover,
    .main-nav a:focus {
        color: var(--color-primary);
    }
    .main-nav a.active {
        color: var(--color-primary);
        font-weight: 700;
    }
    .main-nav a.active::before {
        content: '';
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 100%;
        height: 3px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }
    .nav-cta {
        margin-left: 12px;
    }
    .nav-cta .btn {
        padding: 10px 22px;
        font-size: 14px;
        white-space: nowrap;
    }
    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        background: none;
        border: none;
        padding: 4px;
    }
    .hamburger span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--color-primary);
        border-radius: 2px;
        transition: all var(--transition-base);
    }

    /* ===== Category Page Hero / H1 Area ===== */
    .category-hero {
        background-color: var(--color-bg-white);
        border-bottom: 1px solid var(--color-border);
        padding: 56px 0 48px;
        position: relative;
        overflow: hidden;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    }
    .category-hero-content {
        display: flex;
        align-items: flex-start;
        gap: 32px;
    }
    .category-hero-text {
        flex: 1;
    }
    .category-hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 20px;
        margin-bottom: 16px;
    }
    .category-hero h1 {
        font-size: 38px;
        font-weight: 800;
        line-height: 1.25;
        color: var(--color-primary);
        margin-bottom: 14px;
        letter-spacing: -0.5px;
    }
    .category-hero h1 .highlight {
        color: var(--color-accent);
    }
    .category-hero-subtitle {
        font-size: 17px;
        color: var(--color-text-muted);
        line-height: 1.7;
        max-width: 640px;
    }
    .category-hero-side {
        flex-shrink: 0;
        width: 220px;
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding-top: 8px;
    }
    .category-hero-side .side-note {
        font-size: 13px;
        color: var(--color-text-muted);
        background-color: var(--color-bg);
        border-radius: var(--radius-sm);
        padding: 14px 16px;
        border-left: 3px solid var(--color-accent);
        line-height: 1.6;
    }
    .category-hero-side .side-stats {
        display: flex;
        gap: 16px;
    }
    .category-hero-side .side-stats span {
        font-family: var(--font-family-numeric);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-primary);
    }
    .category-hero-side .side-stats small {
        display: block;
        font-family: var(--font-family-base);
        font-size: 11px;
        color: var(--color-text-muted);
        font-weight: 400;
    }

    /* ===== Section Common ===== */
    .section {
        padding: 64px 0;
    }
    .section-alt {
        background-color: var(--color-bg-white);
    }
    .section-bg {
        background-color: var(--color-bg);
    }
    .section-dark {
        background-color: var(--color-primary-dark);
        color: #FFFFFF;
    }
    .section-heading {
        text-align: left;
        margin-bottom: 40px;
    }
    .section-heading .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        color: var(--color-accent);
        letter-spacing: 1px;
        text-transform: uppercase;
        margin-bottom: 8px;
    }
    .section-heading h2 {
        font-size: 30px;
        font-weight: 800;
        line-height: 1.25;
        color: var(--color-primary);
        margin-bottom: 12px;
    }
    .section-heading p {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.7;
        max-width: 560px;
    }
    .section-heading.text-center {
        text-align: center;
    }
    .section-heading.text-center p {
        margin: 0 auto;
    }

    /* ===== Strategy Type Grid ===== */
    .strategy-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .strategy-card {
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 24px 20px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    .strategy-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .strategy-card .strategy-icon {
        width: 44px;
        height: 44px;
        background-color: rgba(29, 61, 52, 0.08);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 14px;
        color: var(--color-primary);
    }
    .strategy-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 8px;
    }
    .strategy-card p {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 0;
    }
    .strategy-card .strategy-badge {
        display: inline-block;
        background-color: rgba(188, 143, 79, 0.12);
        color: var(--color-accent);
        font-size: 11px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 12px;
        margin-top: 10px;
    }

    /* ===== Article Cards (CMS List) ===== */
    .cms-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .cms-card {
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    .cms-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }
    .cms-card .cms-card-body {
        padding: 20px 22px 18px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .cms-card .cms-card-tag {
        display: inline-block;
        align-self: flex-start;
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 12px;
        margin-bottom: 12px;
    }
    .cms-card h3 {
        font-size: 16px;
        font-weight: 700;
        line-height: 1.45;
        margin-bottom: 8px;
    }
    .cms-card h3 a {
        color: var(--color-text);
    }
    .cms-card h3 a:hover {
        color: var(--color-accent);
    }
    .cms-card .cms-card-excerpt {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 14px;
        flex: 1;
    }
    .cms-card .cms-card-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 12px;
        color: var(--color-text-muted);
        border-top: 1px solid var(--color-border);
        padding-top: 12px;
    }
    .cms-card .cms-card-meta .cms-card-cat {
        font-weight: 600;
        color: var(--color-accent);
    }
    .cms-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 50px 20px;
        border: 1px dashed var(--color-border);
        border-radius: var(--radius-md);
        background-color: var(--color-bg);
        color: var(--color-text-muted);
        font-size: 14px;
    }

    /* ===== Strategy Comparison Table ===== */
    .comparison-table-wrap {
        overflow-x: auto;
        border-radius: var(--radius-md);
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-sm);
        background-color: var(--color-bg-white);
    }
    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 760px;
    }
    .comparison-table thead th {
        background-color: var(--color-primary);
        color: #FFFFFF;
        font-size: 14px;
        font-weight: 700;
        padding: 16px 18px;
        text-align: left;
        white-space: nowrap;
    }
    .comparison-table tbody td {
        padding: 16px 18px;
        font-size: 14px;
        color: var(--color-text);
        border-bottom: 1px solid var(--color-border);
        vertical-align: top;
        line-height: 1.65;
    }
    .comparison-table tbody tr:last-child td {
        border-bottom: none;
    }
    .comparison-table tbody tr:hover td {
        background-color: rgba(246, 243, 237, 0.6);
    }
    .comparison-table .risk-tag {
        display: inline-block;
        padding: 3px 10px;
        border-radius: 12px;
        font-size: 12px;
        font-weight: 600;
    }
    .risk-low {
        background-color: rgba(92, 122, 109, 0.12);
        color: var(--color-fall);
    }
    .risk-mid {
        background-color: rgba(188, 143, 79, 0.12);
        color: var(--color-accent);
    }
    .risk-high {
        background-color: rgba(181, 84, 63, 0.12);
        color: var(--color-rise);
    }

    /* ===== Position Management List ===== */
    .position-list {
        counter-reset: position-counter;
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .position-item {
        counter-increment: position-counter;
        display: flex;
        align-items: flex-start;
        gap: 16px;
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 18px 20px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
    }
    .position-item:hover {
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .position-item .position-number {
        flex-shrink: 0;
        width: 36px;
        height: 36px;
        background-color: var(--color-primary);
        color: #FFFFFF;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        font-weight: 700;
        font-family: var(--font-family-numeric);
    }
    .position-item .position-text h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 5px;
    }
    .position-item .position-text p {
        font-size: 13px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== Tools Grid ===== */
    .tools-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .tool-card {
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 18px 16px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
    }
    .tool-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }
    .tool-card .tool-icon {
        font-size: 26px;
        margin-bottom: 10px;
        display: block;
    }
    .tool-card h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 4px;
    }
    .tool-card p {
        font-size: 12px;
        color: var(--color-text-muted);
        margin-bottom: 0;
        line-height: 1.6;
    }

    /* ===== More Link Area ===== */
    .more-link-area {
        text-align: center;
        padding: 20px 0 0;
    }
    .more-link-area .btn {
        min-width: 180px;
    }

    /* ===== Return Entry ===== */
    .return-entry {
        display: flex;
        gap: 12px;
        justify-content: center;
        padding: 24px 0 0;
    }
    .return-entry .btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background-color: var(--color-primary-dark);
        color: rgba(255, 255, 255, 0.75);
        padding: 56px 0 28px;
        border-top: 3px solid var(--color-accent);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 36px;
    }
    .footer-brand .footer-logo {
        display: block;
        font-size: 22px;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 12px;
    }
    .footer-brand .footer-logo .highlight {
        color: var(--color-accent);
    }
    .footer-brand p {
        font-size: 13px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.6);
        max-width: 280px;
    }
    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        transition: color var(--transition-base);
    }
    .footer-col ul li a:hover {
        color: var(--color-accent);
    }
    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.45);
        line-height: 1.8;
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
    }
    .footer-bottom a:hover {
        color: var(--color-accent);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1199px) {
        .strategy-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .tools-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .cms-list {
            grid-template-columns: repeat(2, 1fr);
        }
        .category-hero h1 {
            font-size: 32px;
        }
        .category-hero-side {
            width: 180px;
        }
    }

    @media (max-width: 991px) {
        :root {
            --container-padding: 20px;
        }
        .section {
            padding: 48px 0;
        }
        .category-hero {
            padding: 40px 0 36px;
        }
        .category-hero-content {
            flex-direction: column;
            gap: 20px;
        }
        .category-hero-side {
            width: 100%;
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
        }
        .category-hero-side .side-note {
            flex: 1;
            min-width: 240px;
        }
        .category-hero-side .side-stats {
            gap: 24px;
        }
        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 767px) {
        :root {
            --container-padding: 16px;
            --header-height: 64px;
        }
        .section {
            padding: 36px 0;
        }
        .section-heading {
            margin-bottom: 28px;
        }
        .section-heading h2 {
            font-size: 24px;
        }
        .category-hero {
            padding: 32px 0 28px;
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .category-hero-subtitle {
            font-size: 15px;
        }
        .category-hero-side {
            flex-direction: column;
            align-items: stretch;
        }
        .category-hero-side .side-stats {
            gap: 20px;
        }
        .category-hero-side .side-stats span {
            font-size: 18px;
        }
        .strategy-grid {
            grid-template-columns: 1fr;
        }
        .tools-grid {
            grid-template-columns: 1fr 1fr;
        }
        .cms-list {
            grid-template-columns: 1fr;
        }
        .comparison-table-wrap {
            border-radius: var(--radius-sm);
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .main-nav {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary-dark);
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            padding: 12px 20px 20px;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 12px 0;
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: #FFFFFF;
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::before {
            display: none;
        }
        .main-nav a:last-child {
            border-bottom: none;
        }
        .hamburger {
            display: flex;
        }
        .nav-cta {
            display: none;
        }
        .nav-cta.mobile-visible {
            display: block;
            margin: 14px 0 0;
        }
        .nav-cta.mobile-visible .btn {
            width: 100%;
            padding: 14px;
        }
        .site-header .container {
            flex-wrap: wrap;
        }
        .site-logo {
            font-size: 18px;
        }
        .site-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 15px;
        }
    }

    @media (max-width: 520px) {
        body {
            font-size: 15px;
        }
        .category-hero h1 {
            font-size: 22px;
        }
        .section-heading h2 {
            font-size: 20px;
        }
        .tools-grid {
            grid-template-columns: 1fr;
        }
        .btn {
            padding: 10px 20px;
            font-size: 14px;
        }
        .container {
            padding-left: 14px;
            padding-right: 14px;
        }
    }

/* roulang page: category3 */
:root {
        --color-primary: #1D3D34;
        --color-primary-dark: #152C26;
        --color-accent: #BC8F4F;
        --color-accent-hover: #A27A3E;
        --color-bg: #F6F3ED;
        --color-bg-white: #FFFFFF;
        --color-text: #272420;
        --color-text-muted: #6F685E;
        --color-border: #E7E2D9;
        --color-rise: #B5543F;
        --color-fall: #5C7A6D;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 12px rgba(29, 61, 52, 0.06);
        --shadow-hover: 0 6px 20px rgba(29, 61, 52, 0.10);
        --transition-base: 0.2s ease-in-out;
        --font-family-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
        --font-family-numeric: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
        --container-max: 1200px;
        --container-padding: 24px;
        --header-height: 76px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
        box-sizing: border-box;
    }

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

    body {
        font-family: var(--font-family-base);
        font-size: 16px;
        line-height: 1.75;
        color: var(--color-text);
        background-color: var(--color-bg);
        margin: 0;
        padding: 0;
    }

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

    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-base), opacity var(--transition-base);
    }

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

    a:focus,
    button:focus,
    input:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    button,
    input {
        font-family: var(--font-family-base);
        font-size: 16px;
    }

    ul,
    ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        margin: 0;
        font-weight: 700;
        line-height: 1.3;
        color: var(--color-primary);
    }

    p {
        margin: 0;
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-base);
        border: none;
        text-align: center;
        line-height: 1.4;
        text-decoration: none;
    }

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

    .btn-primary:hover {
        background-color: var(--color-accent-hover);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(188, 143, 79, 0.28);
    }

    .btn-primary:active {
        background-color: #8C6A35;
        transform: translateY(0);
        box-shadow: none;
    }

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

    .btn-secondary:hover {
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }

    .btn-secondary:active {
        background-color: rgba(29, 61, 52, 0.15);
        transform: translateY(0);
    }

    .btn-light {
        background-color: #FFFFFF;
        color: var(--color-primary);
        border: 1px solid transparent;
    }

    .btn-light:hover {
        background-color: var(--color-accent);
        color: #FFFFFF;
        transform: translateY(-2px);
    }

    /* ===== Header / Navigation ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: rgba(246, 243, 237, 0.96);
        backdrop-filter: blur(8px);
        border-bottom: 1px solid var(--color-border);
        height: var(--header-height);
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(29, 61, 52, 0.04);
    }

    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-padding);
        padding-right: var(--container-padding);
    }

    .site-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .site-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background-color: var(--color-primary);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 18px;
        font-weight: 700;
    }

    .site-logo .logo-highlight {
        color: var(--color-accent);
    }

    .site-logo:hover {
        color: var(--color-primary);
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
    }

    .main-nav a {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-muted);
        position: relative;
        padding: 8px 0;
        transition: color var(--transition-base);
        white-space: nowrap;
    }

    .main-nav a:hover,
    .main-nav a:focus {
        color: var(--color-primary);
    }

    .main-nav a.active {
        color: var(--color-primary);
        font-weight: 700;
    }

    .main-nav a.active::before {
        content: '';
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 100%;
        height: 3px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }

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

    .nav-cta .btn {
        padding: 10px 22px;
        font-size: 14px;
        white-space: nowrap;
    }

    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        background: none;
        border: none;
        padding: 4px;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
    }

    .hamburger span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--color-primary);
        border-radius: 2px;
        transition: all var(--transition-base);
    }

    /* ===== Category Hero (紧凑型 H1 区) ===== */
    .category-hero {
        background-color: var(--color-bg-white);
        border-bottom: 1px solid var(--color-border);
        padding: 40px 0 32px;
    }

    .category-hero .container {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 32px;
        flex-wrap: wrap;
    }

    .category-hero-text {
        flex: 1 1 60%;
        min-width: 280px;
    }

    .category-hero-text h1 {
        font-size: 36px;
        font-weight: 800;
        color: var(--color-primary);
        margin-bottom: 12px;
        line-height: 1.25;
        letter-spacing: 0.5px;
    }

    .category-hero-text .subtitle {
        font-size: 16px;
        color: var(--color-text-muted);
        line-height: 1.7;
        max-width: 620px;
    }

    .category-hero-decoration {
        flex: 0 0 auto;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 8px;
    }

    .category-hero-decoration .deco-line {
        width: 64px;
        height: 4px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }

    .category-hero-decoration .deco-img-wrap {
        width: 140px;
        height: 105px;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
    }

    .category-hero-decoration .deco-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* ===== Section 通用 ===== */
    .section {
        padding: 56px 0;
    }

    .section-alt {
        background-color: var(--color-bg-white);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }

    .section-muted {
        background-color: rgba(29, 61, 52, 0.03);
    }

    .section-title {
        font-size: 26px;
        font-weight: 800;
        color: var(--color-primary);
        margin-bottom: 8px;
        letter-spacing: 0.3px;
    }

    .section-subtitle {
        font-size: 15px;
        color: var(--color-text-muted);
        margin-bottom: 28px;
        line-height: 1.7;
    }

    /* ===== 时间线 ===== */
    .timeline {
        position: relative;
        padding-left: 24px;
    }

    .timeline::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 8px;
        bottom: 8px;
        width: 2px;
        background-color: var(--color-border);
        border-radius: 2px;
    }

    .timeline-item {
        position: relative;
        padding: 0 0 28px 28px;
    }

    .timeline-item:last-child {
        padding-bottom: 0;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        left: -20px;
        top: 6px;
        width: 14px;
        height: 14px;
        background-color: var(--color-accent);
        border-radius: 50%;
        border: 3px solid var(--color-bg);
        box-shadow: 0 0 0 2px var(--color-accent);
    }

    .timeline-date {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-accent);
        margin-bottom: 4px;
        font-family: var(--font-family-numeric);
        letter-spacing: 0.5px;
    }

    .timeline-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 6px;
        line-height: 1.4;
    }

    .timeline-summary {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 6px;
    }

    .timeline-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    /* ===== 标签徽章 ===== */
    .badge-tag {
        display: inline-flex;
        align-items: center;
        padding: 3px 10px;
        border-radius: 8px;
        font-size: 12px;
        font-weight: 600;
        background-color: rgba(29, 61, 52, 0.08);
        color: var(--color-primary);
        line-height: 1.5;
        white-space: nowrap;
    }

    .badge-tag.accent {
        background-color: rgba(188, 143, 79, 0.12);
        color: var(--color-accent);
    }

    .badge-tag.rise {
        background-color: rgba(181, 84, 63, 0.1);
        color: var(--color-rise);
    }

    .badge-tag.fall {
        background-color: rgba(92, 122, 109, 0.1);
        color: var(--color-fall);
    }

    /* ===== 标签组 ===== */
    .tag-group {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag-group .badge-tag {
        font-size: 13px;
        padding: 6px 16px;
        border-radius: 20px;
        cursor: default;
        transition: all var(--transition-base);
        border: 1px solid transparent;
    }

    .tag-group .badge-tag:hover {
        border-color: var(--color-accent);
        background-color: rgba(188, 143, 79, 0.08);
        color: var(--color-accent);
    }

    /* ===== 数据速览 ===== */
    .data-snapshot-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .data-snapshot-card {
        background-color: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 24px 20px;
        text-align: center;
        transition: all var(--transition-base);
    }

    .data-snapshot-card:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }

    .data-snapshot-number {
        font-size: 30px;
        font-weight: 800;
        color: var(--color-primary);
        font-family: var(--font-family-numeric);
        letter-spacing: 1px;
        line-height: 1.2;
        margin-bottom: 6px;
    }

    .data-snapshot-label {
        font-size: 13px;
        color: var(--color-text-muted);
        font-weight: 600;
        letter-spacing: 0.5px;
    }

    .data-snapshot-note {
        font-size: 12px;
        color: var(--color-text-muted);
        margin-top: 4px;
        opacity: 0.8;
    }

    /* ===== 研报卡片（CMS 列表） ===== */
    .report-card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .report-card {
        background-color: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 22px 20px;
        display: flex;
        flex-direction: column;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
        text-decoration: none;
        color: var(--color-text);
    }

    .report-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--color-accent), rgba(188, 143, 79, 0.3));
        opacity: 0;
        transition: opacity var(--transition-base);
    }

    .report-card:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
        color: var(--color-text);
    }

    .report-card:hover::before {
        opacity: 1;
    }

    .report-card .card-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 12px;
        gap: 8px;
        flex-wrap: wrap;
    }

    .report-card .card-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .report-card .card-summary {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
        flex: 1 1 auto;
        margin-bottom: 14px;
    }

    .report-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        flex-wrap: wrap;
        padding-top: 12px;
        border-top: 1px solid var(--color-border);
    }

    .report-card .card-meta .left {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 12px;
        color: var(--color-text-muted);
    }

    .report-card .card-meta .read-more {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-accent);
        white-space: nowrap;
    }

    .report-card .card-meta .read-more:hover {
        color: var(--color-accent-hover);
    }

    /* ===== 研报阅读入口（CTA 深色区） ===== */
    .cta-panel {
        background-color: var(--color-primary-dark);
        border-radius: var(--radius-lg);
        padding: 48px 40px;
        position: relative;
        overflow: hidden;
    }

    .cta-panel::after {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(188, 143, 79, 0.15), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-panel .cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }

    .cta-panel .cta-text {
        flex: 1 1 50%;
        min-width: 280px;
    }

    .cta-panel .cta-text h3 {
        font-size: 24px;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 10px;
        line-height: 1.35;
    }

    .cta-panel .cta-text p {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.75);
        line-height: 1.7;
    }

    .cta-panel .cta-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        flex: 0 0 auto;
    }

    .cta-panel .btn-light {
        background-color: #FFFFFF;
        color: var(--color-primary);
    }

    .cta-panel .btn-light:hover {
        background-color: var(--color-accent);
        color: #FFFFFF;
    }

    .cta-panel .btn-outline-light {
        background-color: transparent;
        color: #FFFFFF;
        border: 1px solid rgba(255, 255, 255, 0.4);
        border-radius: var(--radius-sm);
        padding: 12px 24px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-base);
        text-align: center;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .cta-panel .btn-outline-light:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background-color: rgba(188, 143, 79, 0.1);
        transform: translateY(-2px);
    }

    /* ===== 查看更多 ===== */
    .view-more {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 16px 0 8px;
    }

    .view-more a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 15px;
        font-weight: 700;
        color: var(--color-accent);
        padding: 8px 0;
        border-bottom: 2px solid transparent;
        transition: all var(--transition-base);
    }

    .view-more a:hover {
        color: var(--color-accent-hover);
        border-bottom-color: var(--color-accent);
    }

    /* ===== 返回入口 ===== */
    .back-entry {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
        padding: 20px 0 8px;
    }

    .back-entry a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text-muted);
        padding: 8px 18px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        transition: all var(--transition-base);
    }

    .back-entry a:hover {
        color: var(--color-primary);
        border-color: var(--color-primary);
        background-color: rgba(29, 61, 52, 0.04);
    }

    /* ===== 空态 ===== */
    .empty-state {
        border: 1px dashed var(--color-border);
        border-radius: var(--radius-md);
        padding: 32px 24px;
        text-align: center;
        background-color: var(--color-bg);
        color: var(--color-text-muted);
        font-size: 15px;
        font-weight: 500;
    }

    .empty-state .empty-icon {
        font-size: 36px;
        margin-bottom: 12px;
        opacity: 0.6;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background-color: var(--color-primary-dark);
        color: rgba(255, 255, 255, 0.75);
        padding: 48px 0 0;
        border-top: 3px solid var(--color-accent);
        margin-top: 0;
    }

    .site-footer .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 32px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .site-footer .footer-brand .footer-logo {
        font-size: 20px;
        font-weight: 800;
        color: #FFFFFF;
        display: block;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }

    .site-footer .footer-brand .footer-logo .highlight {
        color: var(--color-accent);
    }

    .site-footer .footer-brand p {
        font-size: 13px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.6);
        max-width: 300px;
    }

    .site-footer .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }

    .site-footer .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .site-footer .footer-col ul a {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        transition: color var(--transition-base);
    }

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

    .site-footer .footer-bottom {
        padding: 16px 0 20px;
        text-align: center;
    }

    .site-footer .footer-bottom span {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.45);
    }

    .site-footer .footer-bottom a {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.45);
        transition: color var(--transition-base);
    }

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

    /* ===== 响应式 ===== */
    @media (max-width: 991px) {
        :root {
            --container-padding: 20px;
        }

        .main-nav {
            gap: 16px;
        }

        .main-nav a {
            font-size: 13px;
        }

        .nav-cta .btn {
            padding: 8px 18px;
            font-size: 13px;
        }

        .site-logo {
            font-size: 19px;
        }

        .site-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
            border-radius: 7px;
        }

        .category-hero-text h1 {
            font-size: 30px;
        }

        .section {
            padding: 44px 0;
        }

        .report-card-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .data-snapshot-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .cta-panel {
            padding: 36px 28px;
        }

        .cta-panel .cta-text h3 {
            font-size: 21px;
        }

        .site-footer .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 767px) {
        :root {
            --container-padding: 16px;
            --header-height: 64px;
        }

        .site-header {
            height: var(--header-height);
        }

        .site-logo {
            font-size: 17px;
            gap: 6px;
        }

        .site-logo .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 6px;
        }

        .main-nav {
            position: fixed;
            top: var(--header-height);
            right: 0;
            width: 100%;
            max-width: 420px;
            background-color: var(--color-primary-dark);
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            padding: 16px 24px 24px;
            border-radius: 0 0 0 var(--radius-lg);
            box-shadow: -8px 12px 32px rgba(0, 0, 0, 0.18);
            transform: translateX(100%);
            transition: transform 0.3s ease-in-out;
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .main-nav.open {
            transform: translateX(0);
        }

        .main-nav a {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-align: left;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: #FFFFFF;
        }

        .main-nav a.active {
            color: var(--color-accent);
            font-weight: 700;
        }

        .main-nav a.active::before {
            content: '';
            position: absolute;
            left: -16px;
            bottom: auto;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background-color: var(--color-accent);
            border-radius: 0 2px 2px 0;
        }

        .nav-cta {
            display: none;
        }

        .nav-cta-mobile {
            display: block;
            padding-top: 16px;
        }

        .nav-cta-mobile .btn {
            width: 100%;
            padding: 12px 20px;
            font-size: 15px;
        }

        .hamburger {
            display: flex;
        }

        .category-hero {
            padding: 28px 0 24px;
        }

        .category-hero .container {
            flex-direction: column;
            gap: 16px;
        }

        .category-hero-text h1 {
            font-size: 26px;
            margin-bottom: 8px;
        }

        .category-hero-text .subtitle {
            font-size: 14px;
        }

        .category-hero-decoration {
            align-items: flex-start;
            flex-direction: row;
        }

        .category-hero-decoration .deco-img-wrap {
            width: 100px;
            height: 75px;
        }

        .section {
            padding: 32px 0;
        }

        .section-title {
            font-size: 22px;
        }

        .section-subtitle {
            font-size: 14px;
            margin-bottom: 20px;
        }

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

        .data-snapshot-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }

        .data-snapshot-card {
            padding: 18px 14px;
        }

        .data-snapshot-number {
            font-size: 24px;
        }

        .timeline {
            padding-left: 16px;
        }

        .timeline::before {
            left: 6px;
        }

        .timeline-item {
            padding: 0 0 20px 20px;
        }

        .timeline-item::before {
            left: -14px;
            width: 10px;
            height: 10px;
            top: 8px;
        }

        .timeline-title {
            font-size: 15px;
        }

        .timeline-summary {
            font-size: 13px;
        }

        .cta-panel {
            padding: 28px 20px;
            border-radius: var(--radius-md);
        }

        .cta-panel .cta-inner {
            flex-direction: column;
            gap: 18px;
        }

        .cta-panel .cta-text h3 {
            font-size: 19px;
        }

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

        .cta-panel .cta-actions {
            width: 100%;
            flex-direction: column;
            gap: 10px;
        }

        .cta-panel .cta-actions .btn,
        .cta-panel .cta-actions .btn-outline-light {
            width: 100%;
            text-align: center;
            justify-content: center;
        }

        .site-footer {
            padding: 32px 0 0;
        }

        .site-footer .footer-top {
            grid-template-columns: 1fr;
            gap: 20px;
            padding-bottom: 24px;
        }

        .site-footer .footer-brand p {
            font-size: 12px;
        }

        .back-entry {
            gap: 10px;
        }

        .back-entry a {
            font-size: 13px;
            padding: 7px 14px;
        }
    }