/* roulang page: index */
:root {
    --primary: #0E9F7A;
    --primary-dark: #0A5E49;
    --gold: #C9A063;
    --bg: #F7F5F0;
    --card: #FFFFFF;
    --text: #1F3A32;
    --text-light: #6B7F78;
    --border: #E4E0D8;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow: 0 10px 30px rgba(15, 60, 45, 0.08);
    --shadow-hover: 0 16px 40px rgba(15, 60, 45, 0.14);
    --space-section: 90px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--primary-dark);
}

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

input, select, textarea {
    font-family: inherit;
    font-size: 15px;
}

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

.section {
    padding: var(--space-section) 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(14, 159, 122, 0.1);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: 14px;
}

.section-header p {
    color: var(--text-light);
    font-size: 17px;
    line-height: 1.7;
}

/* ===== Header & Navigation ===== */
.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(14, 159, 122, 0.2);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.logo-text span {
    color: var(--primary);
}

.nav-chips {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    justify-content: center;
}

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

.chip {
    display: inline-block;
    padding: 8px 20px;
    background: #F0EDE7;
    color: var(--text-light);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
    border: 1px solid transparent;
}

.chip:hover {
    background: rgba(14, 159, 122, 0.08);
    color: var(--primary-dark);
}

.chip.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(14, 159, 122, 0.3);
}

.header-cta {
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    line-height: 1.4;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 6px 18px rgba(14, 159, 122, 0.25);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateX(2px);
    box-shadow: 0 8px 24px rgba(14, 159, 122, 0.35);
    color: #fff;
}

.btn-primary:focus-visible, .btn-secondary:focus-visible, .btn-outline:focus-visible {
    outline: 3px solid rgba(14, 159, 122, 0.4);
    outline-offset: 2px;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-dark);
    border: 1.5px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(14, 159, 122, 0.08);
    transform: translateX(2px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
}

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

/* ===== Hero ===== */
.hero {
    position: relative;
    background: url('/assets/images/backpic/back-1.webp') no-repeat center/cover;
    padding: 100px 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(247, 245, 240, 0.97) 30%, rgba(247, 245, 240, 0.85) 60%, rgba(14, 159, 122, 0.1));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 7;
}

.hero-text h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 20px;
}

.hero-text h1 .highlight {
    color: var(--primary);
    position: relative;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 540px;
    margin-bottom: 34px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 5;
    position: relative;
}

.hero-visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    width: 100%;
    object-fit: cover;
}

.hero-badge {
    position: absolute;
    bottom: -16px;
    left: -16px;
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-badge i {
    color: var(--gold);
    font-size: 22px;
}

.hero-badge span {
    font-size: 14px;
    color: var(--text);
    font-weight: 600;
}

/* ===== Metrics / Data Bar ===== */
.metrics-band {
    background: #F0EDE7;
    padding: 50px 0;
    border-bottom: 1px solid var(--border);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.metric-item {
    text-align: center;
    padding: 10px 8px;
}

.metric-number {
    font-size: 38px;
    font-weight: 800;
    color: var(--primary-dark);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.metric-number .unit {
    font-size: 18px;
    font-weight: 600;
    color: var(--gold);
    margin-left: 2px;
}

.metric-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 6px;
}

/* ===== Service Matrix ===== */
.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.service-card-wide {
    grid-column: span 1;
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.service-card-wide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
}

.service-card-wide:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.service-card-wide img {
    border-radius: var(--radius-md);
    margin-top: 24px;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-narrow {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card-narrow:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(14, 159, 122, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 24px;
    margin-bottom: 20px;
}

.service-card-narrow .service-icon {
    background: rgba(201, 160, 99, 0.15);
    color: var(--gold);
}

.service-card-wide h3, .service-card-narrow h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.service-card-wide p, .service-card-narrow p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-link {
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
}

.service-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}

/* ===== Comparison Section ===== */
.comparison-section {
    background: linear-gradient(135deg, var(--primary-dark), #0A4A3A);
    color: #fff;
    padding: var(--space-section) 0;
}

.comparison-section .section-header h2 {
    color: #fff;
}

.comparison-section .section-header p {
    color: rgba(255,255,255,0.8);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
}

.compare-panel {
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
}

.compare-panel h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.9);
}

.compare-bar-wrap {
    margin-bottom: 20px;
}

.compare-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.85);
}

.compare-bar {
    height: 10px;
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
    overflow: hidden;
}

.compare-bar-fill {
    height: 100%;
    border-radius: 999px;
}

.compare-bar-fill.primary {
    background: linear-gradient(90deg, var(--primary), #4FD1B0);
    width: 92%;
}

.compare-bar-fill.gold {
    background: linear-gradient(90deg, var(--gold), #E3C189);
    width: 56%;
}

.compare-meter {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.compare-meter .meter-icon {
    width: 56px;
    height: 56px;
    background: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.compare-meter span {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

/* ===== News / CMS List ===== */
.news-section {
    background: var(--bg);
}

.news-list .news-card {
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.news-cat {
    display: inline-block;
    background: rgba(14, 159, 122, 0.1);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    flex-shrink: 0;
}

.news-info {
    flex: 1;
    min-width: 0;
}

.news-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-info p {
    color: var(--text-light);
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
    font-size: 14px;
    color: var(--text-light);
}

.news-meta i {
    margin-right: 4px;
    color: var(--gold);
}

.news-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(14, 159, 122, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
}

.news-card:hover .news-arrow {
    background: var(--primary);
    color: #fff;
}

.empty-state {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border);
    padding: 60px 40px;
    text-align: center;
    color: var(--text-light);
}

.empty-state i {
    font-size: 48px;
    color: var(--border);
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 16px;
}

/* ===== FAQ ===== */
.faq-section {
    background: #F0EDE7;
}

.faq-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}

.faq-item summary {
    padding: 22px 28px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

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

.faq-item summary::after {
    content: '+';
    font-size: 24px;
    color: var(--primary);
    font-weight: 400;
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    content: '–';
    transform: rotate(180deg);
}

.faq-item[open] {
    border-left: 4px solid var(--primary);
}

.faq-answer {
    padding: 0 28px 24px;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
}

/* ===== Lead Form ===== */
.lead-section {
    background: var(--bg);
}

.lead-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.lead-info {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-lg);
    padding: 44px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.lead-info::before {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}

.lead-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 18px;
}

.lead-info p {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
}

.lead-info .contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 15px;
}

.lead-info .contact-item i {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.lead-form-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group label .required {
    color: #D9534F;
}

.form-control {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text);
    background: #FAFAF8;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(14, 159, 122, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-submit {
    width: 100%;
    margin-top: 10px;
}

.form-note {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 12px;
    text-align: center;
}

/* ===== Footer ===== */
.site-footer {
    background: #0A3D30;
    color: rgba(255,255,255,0.8);
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 50px;
}

.footer-brand .logo-text {
    color: #fff;
    font-size: 22px;
    margin-bottom: 14px;
}

.footer-brand .logo-text span {
    color: #4FD1B0;
}

.footer-brand p {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.65);
    max-width: 280px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255,255,255,0.65);
    font-size: 15px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #4FD1B0;
    padding-left: 4px;
}

.footer-contact p {
    margin-bottom: 12px;
    font-size: 15px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.footer-contact i {
    color: #4FD1B0;
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

.back-to-top {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: var(--transition);
}

.back-to-top:hover {
    background: var(--primary);
    transform: translateY(-4px);
}

.back-to-top:focus-visible {
    outline: 3px solid rgba(255,255,255,0.5);
    outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 63.9375em) {
    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 14px 0;
    }
    
    .nav-chips {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text h1 {
        font-size: 34px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .compare-meter {
        order: -1;
    }
    
    .lead-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 39.9375em) {
    :root {
        --space-section: 56px;
    }
    
    .section-header h2 {
        font-size: 26px;
    }
    
    .hero-text h1 {
        font-size: 28px;
    }
    
    .hero-visual img {
        border-radius: var(--radius-md);
    }
    
    .hero-badge {
        bottom: -10px;
        left: 8px;
        padding: 8px 14px;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .metric-number {
        font-size: 30px;
    }
    
    .service-card-wide, .service-card-narrow {
        padding: 26px;
    }
    
    .news-meta {
        display: none;
    }
    
    .news-card {
        flex-wrap: wrap;
        padding: 20px;
    }
    
    .news-info h3 {
        white-space: normal;
    }
    
    .lead-info, .lead-form-card {
        padding: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .header-cta .btn {
        padding: 10px 18px;
        font-size: 14px;
    }
}

@media (min-width: 40em) and (max-width: 63.9375em) {
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .lead-grid {
        grid-template-columns: 1fr;
    }
}

/* roulang page: category1 */
:root {
            --primary: #0E9F7A;
            --primary-dark: #0A5E49;
            --gold: #C9A063;
            --bg-warm: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #1F3A32;
            --text-muted: #6B7F78;
            --border: #E4E0D8;
            --rat: 20px;
            --shadow: 0 10px 30px rgba(15, 60, 45, 0.08);
            --shadow-hover: 0 14px 36px rgba(15, 60, 45, 0.14);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

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

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

        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--primary);
            font-weight: 700;
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid transparent;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

        .chip i {
            font-size: 13px;
        }

        .chip:hover {
            color: var(--primary);
            background: rgba(14, 159, 122, 0.06);
        }

        .chip.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 16px rgba(14, 159, 122, 0.25);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(14, 159, 122, 0.4);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 8px 20px rgba(14, 159, 122, 0.25);
        }

        .btn-primary:hover {
            box-shadow: 0 12px 28px rgba(14, 159, 122, 0.35);
            transform: translateX(2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary-dark);
        }

        .btn-outline:hover {
            background: rgba(14, 159, 122, 0.07);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .site-footer {
            background: #0A2D26;
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 0;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.6fr 0.6fr 1fr;
            gap: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
            font-size: 22px;
        }

        .footer-brand .logo-text span {
            color: var(--gold);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

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

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold);
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 24px 0;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .back-to-top {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }

        .back-to-top:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ============ Page Hero ============ */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #0B2E27 0%, #0A5E49 60%, #0E9F7A 100%);
            overflow: hidden;
            padding: 110px 0 90px;
            color: #fff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            backdrop-filter: blur(6px);
        }

        .hero-title {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            max-width: 760px;
        }

        .hero-title span {
            color: #FFD98E;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 36px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-light:hover {
            background: #f2f2f2;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-ghost-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 50px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: #FFD98E;
            font-variant-numeric: tabular-nums;
        }

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ============ Intro Section ============ */
        .section {
            padding: 90px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(14, 159, 122, 0.1);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            border-radius: 999px;
            padding: 5px 16px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
            margin-top: 40px;
        }

        .intro-text {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        .intro-text p {
            margin-bottom: 18px;
        }

        .intro-text strong {
            color: var(--text-main);
        }

        .intro-image {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .intro-check-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 16px;
        }

        .intro-check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-main);
            background: rgba(14, 159, 122, 0.04);
            padding: 10px 14px;
            border-radius: 12px;
            border-left: 3px solid var(--primary);
        }

        .intro-check-list i {
            color: var(--primary);
            margin-top: 3px;
            font-size: 14px;
        }

        /* ============ Steps ============ */
        .steps-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 40px;
            counter-reset: step-counter;
        }

        .step-card {
            position: relative;
            background: var(--bg-warm);
            border-radius: 20px;
            padding: 36px 24px 30px;
            border: 1px solid var(--border);
            counter-increment: step-counter;
            transition: var(--transition);
        }

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

        .step-card::before {
            content: counter(step-counter, decimal-leading-zero);
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 44px;
            font-weight: 800;
            color: rgba(14, 159, 122, 0.14);
            font-variant-numeric: tabular-nums;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            margin-bottom: 20px;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ Scenarios ============ */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: 22px;
            padding: 36px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .scenario-card:first-child {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            color: #fff;
        }

        .scenario-card:first-child h3 {
            color: #fff;
        }

        .scenario-card:first-child .scenario-desc {
            color: rgba(255, 255, 255, 0.8);
        }

        .scenario-card:first-child .scenario-list li {
            background: rgba(255, 255, 255, 0.12);
            border-left-color: #FFD98E;
            color: #fff;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .scenario-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .scenario-card:first-child .scenario-icon {
            color: #FFD98E;
        }

        .scenario-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .scenario-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .scenario-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: 10px;
            background: rgba(14, 159, 122, 0.04);
            border-left: 3px solid var(--primary);
            color: var(--text-main);
        }

        .scenario-list i {
            color: var(--primary);
            margin-top: 3px;
        }

        /* ============ Feature Cards ============ */
        .feature-cards {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .feature-card--wide {
            grid-column: span 7;
            background: var(--card-bg);
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

        .feature-card--narrow {
            grid-column: span 5;
            background: var(--card-bg);
            border-radius: 22px;
            border: 1px solid var(--border);
            padding: 36px 32px;
            transition: var(--transition);
        }

        .feature-card--narrow:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .feature-card--narrow:nth-child(4) {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
        }

        .feature-card--narrow:nth-child(4) h3,
        .feature-card--narrow:nth-child(4) p {
            color: #fff;
        }

        .feature-card--narrow:nth-child(4) .feature-link {
            color: #FFD98E;
        }

        .feature-card--wide .feature-img {
            width: 100%;
            height: 230px;
            object-fit: cover;
        }

        .feature-card--wide .feature-content {
            padding: 30px 32px;
        }

        .feature-card--wide h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card--wide p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .feature-card--narrow .feature-icon {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .feature-card--narrow:nth-child(4) .feature-icon {
            color: #FFD98E;
        }

        .feature-card--narrow h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card--narrow p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .feature-link i {
            font-size: 12px;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 40px auto 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-warm);
            border-radius: 18px;
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(14, 159, 122, 0.04);
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-size: 18px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            background: var(--bg-warm);
        }

        .faq-item.open {
            border-left: 3px solid var(--primary);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 24px;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            background: linear-gradient(135deg, #0B2E27, #0A5E49, #0E9F7A);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-left {
            flex: 1;
            min-width: 280px;
        }

        .cta-left h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-left p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            line-height: 1.8;
        }

        .cta-right {
            flex-shrink: 0;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb {
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            background: var(--bg-warm);
        }

        .breadcrumb ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

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

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

        .breadcrumb li.current {
            color: var(--primary-dark);
            font-weight: 600;
        }

        /* ============ Responsive ============ */
        @media screen and (max-width: 63.9375em) {
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .nav-chips {
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }

            .chip {
                white-space: nowrap;
            }

            .header-cta {
                width: 100%;
            }

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

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

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

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

            .feature-card--wide {
                grid-column: span 12;
            }

            .feature-card--narrow {
                grid-column: span 12;
            }

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

            .hero-title {
                font-size: 36px;
            }
        }

        @media screen and (max-width: 39.9375em) {
            .section {
                padding: 50px 0;
            }

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

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

            .hero-title {
                font-size: 30px;
            }

            .hero-stats {
                gap: 20px;
            }

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

            .cta-inner {
                flex-direction: column;
            }

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

            .header-cta {
                width: 100%;
            }

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

/* roulang page: article */
:root {
    --primary: #0E9F7A;
    --primary-dark: #0A5E49;
    --primary-deep: #0B3B2E;
    --primary-light: rgba(14, 159, 122, 0.12);
    --gold: #C9A063;
    --gold-light: rgba(201, 160, 99, 0.18);
    --bg: #F7F5F0;
    --card: #FFFFFF;
    --text: #1F3A32;
    --text-secondary: #6B7F78;
    --border: #E4E0D8;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow: 0 10px 30px rgba(15, 60, 45, 0.08);
    --shadow-hover: 0 18px 44px rgba(15, 60, 45, 0.14);
    --transition: all 0.3s ease;
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style-position: inside;
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Header ========== */
.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    color: var(--text);
}

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

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(14, 159, 122, 0.25);
    flex-shrink: 0;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.logo-text span {
    color: var(--primary);
}

.nav-chips {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

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

.chip {
    padding: 9px 20px;
    border-radius: 999px;
    background: transparent;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.chip:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary);
}

.chip.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(14, 159, 122, 0.3);
    border-color: transparent;
}

.chip.active:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

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

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
    text-align: center;
}

.btn:focus-visible {
    outline: 3px solid rgba(14, 159, 122, 0.4);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 6px 20px rgba(14, 159, 122, 0.25);
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(14, 159, 122, 0.35);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary-dark);
}

.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

/* ========== Article Banner ========== */
.article-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-deep) 55%, #0E5E48 100%);
    padding: 72px 0 66px;
    position: relative;
    overflow: hidden;
}

.article-banner::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(14, 159, 122, 0.35), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.article-banner::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: 30px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(201, 160, 99, 0.2), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb .sep {
    opacity: 0.5;
    font-size: 11px;
}

.breadcrumb .current {
    color: var(--gold);
    font-weight: 500;
}

.article-banner h1 {
    color: #fff;
    font-size: 38px;
    line-height: 1.35;
    font-weight: 700;
    max-width: 900px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    letter-spacing: 0.5px;
}

.article-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 16px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.meta-item i {
    color: var(--gold);
    font-size: 14px;
}

/* ========== Article Main ========== */
.article-section {
    padding: 64px 0 20px;
}

.container-narrow {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px;
}

.article-content {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 56px 64px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    line-height: 1.85;
    font-size: 16px;
    color: var(--text);
}

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

.article-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-top: 44px;
    margin-bottom: 18px;
    color: var(--text);
    line-height: 1.4;
    border-left: 4px solid var(--primary);
    padding-left: 16px;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 34px;
    margin-bottom: 14px;
    color: var(--text);
    line-height: 1.5;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text);
}

.article-content p {
    margin-bottom: 22px;
    color: var(--text);
    line-height: 1.85;
}

.article-content img {
    border-radius: var(--radius-md);
    margin: 28px 0;
    box-shadow: var(--shadow);
}

.article-content blockquote {
    background: var(--bg);
    border-left: 4px solid var(--gold);
    padding: 18px 24px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 28px 0;
    color: var(--text-secondary);
    font-style: normal;
    line-height: 1.7;
}

.article-content blockquote p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

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

.article-content li {
    margin-bottom: 10px;
    line-height: 1.75;
}

.article-content li::marker {
    color: var(--primary);
}

.article-content a {
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(14, 159, 122, 0.4);
}

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

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 14px;
}

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

.article-content table th {
    background: var(--bg);
    font-weight: 600;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 40px 0;
}

/* ========== Empty State ========== */
.article-empty {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 90px 40px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.article-empty i {
    font-size: 52px;
    color: var(--gold);
    margin-bottom: 20px;
    display: inline-block;
}

.article-empty h2 {
    font-size: 24px;
    color: var(--text);
    margin-bottom: 12px;
}

.article-empty p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* ========== Related Section ========== */
.related-section {
    padding: 80px 0 90px;
}

.section-head {
    margin-bottom: 44px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.section-head .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    background: var(--primary-light);
    padding: 4px 14px;
    border-radius: 999px;
    width: fit-content;
}

.section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.5px;
}

.section-head p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-top: 4px;
}

.related-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 28px;
}

.related-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

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

.related-card-wide {
    grid-column: 1 / -1;
    flex-direction: row;
}

.related-card-wide .card-image {
    width: 44%;
    height: auto;
    min-height: 240px;
    flex-shrink: 0;
}

.related-card-wide .card-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.related-card .card-image {
    height: 190px;
    overflow: hidden;
    position: relative;
    background: var(--bg);
}

.related-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.related-card .card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    z-index: 2;
}

.related-card .card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-card .card-title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
    transition: var(--transition);
}

.related-card a:hover .card-title {
    color: var(--primary);
}

.related-card .card-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card-wide .card-summary {
    -webkit-line-clamp: 3;
    font-size: 15px;
    max-width: 540px;
}

.related-card .card-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.related-card .card-arrow {
    width: 32px;
    height: 32px;
    background: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 13px;
    transition: var(--transition);
}

.related-card:hover .card-arrow {
    background: var(--primary);
    color: #fff;
    transform: translateX(3px);
}

/* ========== CTA Section ========== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-deep) 60%, #0E5E48 100%);
    padding: 84px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(201, 160, 99, 0.22), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -120px;
    right: -60px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(14, 159, 122, 0.3), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    margin-bottom: 34px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-actions .btn-primary {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
    border-color: #fff;
}

.cta-actions .btn-primary:hover {
    background: var(--gold);
    border-color: var(--gold);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(201, 160, 99, 0.35);
}

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

.cta-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.9);
    color: #fff;
    transform: translateY(-2px);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    color: #fff;
    font-size: 22px;
}

.footer-brand .logo-text span {
    color: var(--gold);
}

.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.65);
    max-width: 280px;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li {
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a:hover {
    color: var(--gold);
    transform: translateX(3px);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-contact i {
    color: var(--gold);
    width: 16px;
    text-align: center;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    margin: 0;
}

.back-to-top {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.back-to-top:hover {
    background: var(--gold);
    color: var(--primary-deep);
    transform: translateY(-3px);
    border-color: var(--gold);
}

/* ========== Responsive ========== */
@media screen and (max-width: 63.9375em) {
    .nav-chips {
        gap: 6px;
    }
    .chip {
        padding: 8px 14px;
        font-size: 13px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media screen and (max-width: 39.9375em) {
    .site-header {
        position: relative;
    }
    .header-inner {
        flex-wrap: wrap;
        min-height: auto;
        padding: 14px 0 10px;
        gap: 12px;
    }
    .logo {
        flex: 1;
    }
    .header-cta {
        display: none;
    }
    .nav-chips {
        width: 100%;
        order: 3;
        padding-bottom: 8px;
    }
    .article-banner {
        padding: 48px 0 44px;
    }
    .article-banner h1 {
        font-size: 26px;
        line-height: 1.4;
    }
    .breadcrumb {
        font-size: 13px;
        margin-bottom: 20px;
    }
    .article-section {
        padding: 40px 0 10px;
    }
    .container-narrow {
        padding: 0 16px;
    }
    .article-content {
        padding: 28px 22px;
        border-radius: 18px;
        line-height: 1.8;
        font-size: 15px;
    }
    .article-content h2 {
        font-size: 22px;
        margin-top: 32px;
    }
    .article-content h3 {
        font-size: 19px;
    }
    .article-content blockquote {
        padding: 14px 18px;
    }
    .article-empty {
        padding: 60px 24px;
    }
    .related-section {
        padding: 50px 0 60px;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .related-card-wide {
        flex-direction: column;
        grid-column: auto;
    }
    .related-card-wide .card-image {
        width: 100%;
        min-height: 180px;
        height: 190px;
    }
    .related-card-wide .card-body {
        padding: 22px;
    }
    .cta-section {
        padding: 56px 0;
    }
    .cta-section h2 {
        font-size: 24px;
    }
    .cta-section p {
        font-size: 14px;
        margin-bottom: 24px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    .cta-actions .btn {
        width: 100%;
        max-width: 280px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .footer-bottom p {
        order: 2;
    }
}

@media screen and (max-width: 30em) {
    .header-inner {
        padding: 12px 0 8px;
    }
    .logo-text {
        font-size: 17px;
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 17px;
    }
    .chip {
        padding: 7px 12px;
        font-size: 12px;
    }
    .article-banner h1 {
        font-size: 23px;
    }
    .meta-item {
        font-size: 12px;
        padding: 5px 12px;
    }
    .article-content {
        padding: 20px 16px;
        border-radius: 16px;
    }
    .article-content h2 {
        font-size: 20px;
    }
    .related-card .card-title {
        font-size: 16px;
    }
    .related-card .card-summary {
        font-size: 13px;
    }
}

/* roulang page: category2 */
:root {
            --primary: #0E9F7A;
            --primary-dark: #0A5E49;
            --primary-light: #E0F2ED;
            --accent: #C9A063;
            --accent-light: #FAF3E8;
            --bg: #F7F5F0;
            --card: #FFFFFF;
            --text: #1F3A32;
            --text-secondary: #6B7F78;
            --border: #E4E0D8;
            --shadow: 0 10px 30px rgba(15, 60, 45, 0.08);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        body.foundation-fix {
            line-height: 1.75;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(15, 60, 45, 0.04);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(14, 159, 122, 0.25);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 999px;
            background: transparent;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
        }

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

        .chip.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(14, 159, 122, 0.3);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            outline: none;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(14, 159, 122, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 18px rgba(14, 159, 122, 0.25);
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateX(2px);
            box-shadow: 0 8px 24px rgba(14, 159, 122, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-dark);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
        }

        .btn-light:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .section {
            padding: 80px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-sub {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(180deg, var(--bg) 0%, #ffffff 100%);
            padding: 70px 0 60px;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

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

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

        .page-hero h1 {
            font-size: 40px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .page-hero h1 .accent {
            color: var(--primary);
        }

        .page-hero-text {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 580px;
            margin-bottom: 30px;
        }

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

        .hero-cover {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transform: rotate(1.5deg);
            transition: var(--transition);
        }

        .hero-cover img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .hero-cover:hover {
            transform: rotate(0deg);
            box-shadow: 0 16px 40px rgba(15, 60, 45, 0.14);
        }

        .hero-card-caption {
            padding: 18px 22px;
            background: var(--card);
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .hero-card-caption p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }

        .body_force p {
            margin-bottom: 1rem;
        }

        .metrics-section {
            background: var(--bg);
            padding: 46px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .metric-item {
            text-align: center;
            padding: 24px 18px;
            background: var(--card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .metric-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .metric-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .metric-unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-left: 4px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        .scenario-section {
            padding: 90px 0;
            background: #fff;
        }

        .scenario-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            height: 100%;
            transition: var(--transition);
        }

        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .scenario-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }

        .scenario-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scenario-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .points-section {
            padding: 90px 0;
            background: var(--bg);
        }

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

        .point-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 40px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .point-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            height: 4px;
            width: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.7;
        }

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

        .point-card.wide {
            grid-column: span 1;
        }

        .point-card .point-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 14px;
        }

        .point-card h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .point-card p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 15px;
        }

        .point-card ul {
            list-style: none;
            margin-top: 16px;
            padding: 0;
        }

        .point-card ul li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text);
            font-size: 15px;
            border-bottom: 1px dashed var(--border);
        }

        .point-card ul li:last-child {
            border-bottom: none;
        }

        .point-card ul li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            position: absolute;
            left: 0;
            top: 8px;
            font-size: 14px;
        }

        .compare-section {
            padding: 90px 0;
            background: var(--primary-dark);
            color: #fff;
        }

        .compare-section .section-title {
            color: #fff;
        }

        .compare-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 24px;
            align-items: center;
            margin-top: 40px;
        }

        .compare-panel {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 36px;
        }

        .compare-panel h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-panel h3 i {
            font-size: 20px;
        }

        .compare-panel.bad h3 {
            color: #F4B8A8;
        }

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

        .compare-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 15px;
            line-height: 1.7;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li i {
            margin-top: 4px;
            font-size: 14px;
        }

        .compare-list li .fa-circle-check {
            color: var(--primary);
        }

        .compare-list li .fa-circle-xmark {
            color: #F4B8A8;
        }

        .compare-vs {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 18px;
            color: var(--accent);
        }

        .compare-vs::before,
        .compare-vs::after {
            content: "";
            width: 2px;
            height: 40px;
            background: rgba(255, 255, 255, 0.2);
        }

        .process-section {
            padding: 90px 0;
            background: #fff;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            border-color: var(--primary);
            background: #fff;
            box-shadow: var(--shadow);
        }

        .step-num {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 17px;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(14, 159, 122, 0.25);
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-section {
            padding: 90px 0;
            background: var(--bg);
        }

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

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

        .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--primary);
        }

        .accordion-item.is-active {
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 26px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            position: relative;
            background: transparent;
        }

        .accordion-title:hover {
            background: #fff;
        }

        .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 15px;
            color: var(--primary);
            transition: var(--transition);
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .accordion-content {
            padding: 0 26px 22px;
            border-left: 3px solid var(--primary);
            margin: 0;
            background: #FAFAF8;
        }

        .accordion-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        .cta-section {
            padding: 90px 0;
            background: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(14, 159, 122, 0.08), rgba(201, 160, 99, 0.12));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 60px;
            position: relative;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            right: 20px;
            bottom: 20px;
            width: 200px;
            height: 200px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            opacity: 0.05;
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
        }

        .cta-box p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 640px;
        }

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

        .cta-form-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 36px;
            box-shadow: var(--shadow);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: inherit;
            background: #FAFAF8;
            transition: var(--transition);
            color: var(--text);
            outline: none;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(14, 159, 122, 0.12);
            outline: none;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .submit-btn {
            width: 100%;
            padding: 14px 26px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .submit-btn:hover {
            box-shadow: 0 8px 24px rgba(14, 159, 122, 0.3);
            transform: translateY(-2px);
        }

        .submit-btn:focus-visible {
            outline: 3px solid rgba(14, 159, 122, 0.4);
            outline-offset: 2px;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 60px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 24px;
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-brand .logo-text span {
            color: #7FD8C0;
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.8;
            max-width: 300px;
            margin-top: 12px;
        }

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

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-links a i {
            font-size: 12px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            width: 18px;
            color: #7FD8C0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 14px;
            margin: 0;
            opacity: 0.8;
        }

        .back-to-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: #fff;
            font-size: 16px;
            transition: var(--transition);
        }

        .back-to-top:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-4px);
        }

        /* Foundation visibility overrides */
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        /* Responsive */
        @media screen and (max-width: 63.9375em) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 14px 0;
            }

            .logo {
                order: 1;
            }

            .nav-chips {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 8px 0;
            }

            .header-cta {
                order: 2;
                margin-left: auto;
            }

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

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

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

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

            .compare-vs {
                flex-direction: row;
            }

            .compare-vs::before,
            .compare-vs::after {
                width: 40px;
                height: 2px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media screen and (max-width: 39.9375em) {
            .section {
                padding: 50px 0;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero-text {
                font-size: 15px;
            }

            .section-title {
                font-size: 25px;
            }

            .section-sub {
                font-size: 15px;
            }

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

            .metric-num {
                font-size: 30px;
            }

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

            .header-cta .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

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

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

            .cta-box {
                padding: 30px 20px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

            .chip {
                padding: 8px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0E9F7A;
            --primary-dark: #0A5E49;
            --accent: #C9A063;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1F3A32;
            --text-light: #6B7F78;
            --border: #E4E0D8;
            --shadow: 0 10px 30px rgba(15, 60, 45, 0.08);
            --shadow-hover: 0 16px 40px rgba(15, 60, 45, 0.14);
            --radius: 22px;
            --radius-sm: 14px;
            --transition: all 0.3s ease;
            --container: 1200px;
            --section-space: 90px;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* --- 顶部导航 --- */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(14, 159, 122, 0.3);
        }
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text);
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-chips {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 999px;
            background: #F0EEE9;
            border: 1px solid transparent;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }
        .chip:hover {
            background: #E8E4DC;
            color: var(--text);
            border-color: var(--border);
        }
        .chip.active {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 6px 20px rgba(14, 159, 122, 0.3);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            box-shadow: 0 6px 20px rgba(14, 159, 122, 0.25);
        }
        .btn-primary:hover {
            transform: translateX(2px);
            box-shadow: 0 8px 28px rgba(14, 159, 122, 0.35);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(14, 159, 122, 0.08);
            color: var(--primary-dark);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(14, 159, 122, 0.4);
            outline-offset: 2px;
        }

        /* --- 面包屑 --- */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 14px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb i {
            margin: 0 10px;
            font-size: 12px;
            color: #B5B0A6;
        }

        /* --- 页头 Banner --- */
        .category-hero {
            padding: 70px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 159, 122, 0.1);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero .hero-sub {
            font-size: 17px;
            color: var(--text-light);
            max-width: 740px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* --- 通用板块 --- */
        .section {
            padding: var(--section-space) 0;
        }
        .section-sm {
            padding: 50px 0;
        }
        .section-header {
            text-align: left;
            margin-bottom: 50px;
            max-width: 800px;
        }
        .section-header .label {
            display: inline-block;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.35;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.75;
        }
        .text-center { text-align: center; }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* --- 验证维度卡片 --- */
        .verify-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.4fr 1fr;
            gap: 24px;
            margin-bottom: 30px;
        }
        .verify-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 36px 32px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .verify-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .verify-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .verify-card:hover::before {
            opacity: 1;
        }
        .verify-card.wide {
            grid-column: span 1;
        }
        .verify-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(14, 159, 122, 0.12), rgba(201, 160, 99, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .verify-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .verify-card p {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .verify-card .step-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 42px;
            font-weight: 800;
            color: rgba(14, 159, 122, 0.08);
            line-height: 1;
        }

        /* --- 五项对比 - 表格 --- */
        .compare-section {
            background: #FFFFFF;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 48px;
            box-shadow: var(--shadow);
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th {
            text-align: left;
            padding: 16px 20px;
            background: #F0EEE9;
            color: var(--text);
            font-weight: 700;
            font-size: 15px;
        }
        .compare-table th:first-child {
            border-radius: 12px 0 0 0;
        }
        .compare-table th:last-child {
            border-radius: 0 12px 0 0;
        }
        .compare-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 14.5px;
            color: var(--text);
            line-height: 1.7;
            vertical-align: top;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .status-good {
            color: var(--primary);
            font-weight: 600;
        }
        .compare-table .status-bad {
            color: #C0392B;
            font-weight: 600;
        }
        .compare-table i {
            margin-right: 6px;
        }

        /* --- 操作流程 --- */
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 32px 28px;
            text-align: left;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }
        .period {
            display: inline-block;
            background: rgba(201, 160, 99, 0.12);
            color: #8A6D3B;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        /* --- 资讯列表 --- */
        .info-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .info-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 20px 26px;
            transition: var(--transition);
        }
        .info-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .info-item .info-body {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .info-item .tag {
            background: rgba(14, 159, 122, 0.1);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .info-item .info-title {
            font-weight: 600;
            color: var(--text);
            font-size: 16px;
        }
        .info-item .info-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
        }
        .info-item .arrow {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: #F0EEE9;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .info-item:hover .arrow {
            background: var(--primary);
            color: #fff;
        }
        .empty-state {
            background: var(--card-bg);
            border: 2px dashed var(--border);
            border-radius: var(--radius);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-light);
        }
        .empty-state i {
            font-size: 40px;
            color: #C5C0B6;
            margin-bottom: 16px;
            display: block;
        }

        /* --- FAQ --- */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 18px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(14, 159, 122, 0.3);
        }
        .faq-item summary {
            padding: 22px 26px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary i {
            color: var(--primary);
            font-size: 15px;
            transition: transform 0.3s;
        }
        .faq-item[open] summary i.fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-item .answer {
            padding: 0 26px 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            margin-left: 26px;
            margin-right: 26px;
            padding-left: 18px;
            background: #FAF9F6;
            border-radius: 0 0 12px 12px;
        }

        /* --- CTA 区块 --- */
        .cta-section {
            background: linear-gradient(120deg, var(--primary-dark) 0%, #0C7A60 60%, var(--primary) 100%);
            border-radius: 28px;
            padding: 70px 50px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            opacity: 0.85;
            max-width: 560px;
        }
        .cta-section .btn-white {
            background: #fff;
            color: var(--primary-dark);
            padding: 14px 36px;
            font-weight: 700;
            border-radius: 999px;
        }
        .cta-section .btn-white:hover {
            background: #F0EEE9;
            transform: translateY(-2px);
        }

        /* --- 联系表单 --- */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }
        .contact-info {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 40px;
        }
        .contact-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .contact-info p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .contact-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--text);
            font-size: 15px;
        }
        .contact-item i {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(14, 159, 122, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }
        .form-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .form-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 26px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .form-group label span {
            color: #C0392B;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 13px 16px;
            border: 1.5px solid var(--border);
            border-radius: 12px;
            font-size: 14.5px;
            background: #FAFAF8;
            transition: var(--transition);
            outline: none;
            color: var(--text);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(14, 159, 122, 0.12);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-submit {
            width: 100%;
            margin-top: 8px;
        }

        /* --- 页脚 --- */
        .site-footer {
            background: #0A2E26;
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
            margin-top: 90px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-text span {
            color: #37C89B;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
        }
        .footer-contact i {
            margin-right: 10px;
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .back-to-top {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
        }
        .back-to-top:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* --- 移动端适配 --- */
        @media (max-width: 63.9375em) {
            .container { padding: 0 20px; }
            
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .logo { width: 100%; justify-content: space-between; }
            .nav-chips {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-chips::-webkit-scrollbar { display: none; }
            .chip { flex-shrink: 0; }
            .header-cta { margin-left: auto; }
            .header-cta .btn { padding: 10px 20px; font-size: 14px; }

            .section { padding: 60px 0; }
            .section-header h2 { font-size: 26px; }

            .verify-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .steps-wrapper { grid-template-columns: 1fr 1fr; }
            .contact-wrapper { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .cta-section { padding: 50px 30px; }
            .cta-section .cta-content { flex-direction: column; text-align: left; }
        }

        @media (max-width: 39.9375em) {
            body { font-size: 15px; }
            .container { padding: 0 16px; }
            
            .logo-icon { width: 36px; height: 36px; font-size: 18px; }
            .logo-text { font-size: 19px; }
            
            .category-hero { padding: 50px 0 30px; }
            .category-hero h1 { font-size: 30px; }
            .hero-actions .btn { width: 100%; }
            
            .verify-grid {
                grid-template-columns: 1fr;
            }
            .compare-section { padding: 24px 16px; }
            .compare-table { min-width: 520px; }
            
            .steps-wrapper { grid-template-columns: 1fr; }
            
            .info-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .info-item .info-body { flex-direction: column; align-items: flex-start; gap: 8px; }
            .info-item .info-meta { flex-wrap: wrap; gap: 8px; }
            .info-item .arrow { position: absolute; right: 18px; top: 18px; }
            .info-item { position: relative; padding-right: 60px; }
            
            .faq-item summary { font-size: 15px; padding: 18px 16px; }
            .faq-item .answer { margin-left: 16px; margin-right: 16px; padding-left: 14px; }
            
            .cta-section { padding: 40px 24px; border-radius: 20px; }
            .cta-section h2 { font-size: 24px; }
            .cta-section .btn-white { width: 100%; text-align: center; }
            
            .contact-info { padding: 26px; }
            .form-card { padding: 26px; }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding-bottom: 30px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
            .section-header h2 { font-size: 24px; }
            .section-header p { font-size: 15px; }
            .breadcrumb { font-size: 13px; }
        }