/* roulang page: index */
:root {
    --primary: #1E3A2F;
    --primary-mid: #2B5544;
    --primary-dark: #14352B;
    --gold: #C7A245;
    --gold-light: #D4B85C;
    --gold-dark: #B98A2F;
    --cream: #F8F5EF;
    --white: #FFFFFF;
    --ink: #22302A;
    --muted: #6B7A72;
    --border: rgba(30, 58, 47, 0.10);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 12px rgba(30, 58, 47, 0.06);
    --shadow-md: 0 8px 30px rgba(30, 58, 47, 0.14);
    --shadow-nav: 0 4px 20px rgba(30, 58, 47, 0.08);
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-data: "Playfair Display", Georgia, "Times New Roman", serif;
    --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    background: var(--cream);
    color: var(--ink);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover, a:focus-visible {
    color: var(--gold-dark);
}
ul, ol {
    list-style: none;
}
button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section {
    padding: 96px 0;
}
.section-header {
    max-width: 700px;
    margin: 0 auto 60px;
    text-align: center;
}
.section-tag {
    display: inline-block;
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    background: rgba(30, 58, 47, 0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 18px;
}
.section-title {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.35;
    margin-bottom: 14px;
}
.section-subtitle {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.8;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    border: 2px solid transparent;
    line-height: 1.4;
}
.btn:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    color: var(--primary-dark);
    font-weight: 700;
    box-shadow: 0 4px 18px rgba(183, 138, 47, 0.25);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #DDC264 0%, #C7A245 100%);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(183, 138, 47, 0.35);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-secondary {
    border-color: rgba(255, 255, 255, 0.65);
    color: var(--white);
    background: transparent;
}
.btn-secondary:hover {
    background: var(--cream);
    color: var(--primary-dark);
    border-color: var(--cream);
    transform: translateY(-2px);
}
.btn-dark {
    background: var(--primary);
    color: var(--white);
}
.btn-dark:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 2px solid var(--gold);
    padding-bottom: 2px;
    transition: all var(--transition);
}
.text-link:hover {
    color: var(--gold-dark);
    border-bottom-color: var(--gold-dark);
}
.text-link i {
    font-size: 13px;
    transition: transform var(--transition);
}
.text-link:hover i {
    transform: translateX(4px);
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(30, 58, 47, 0.9);
    backdrop-filter: blur(10px);
    transition: background 0.4s, box-shadow 0.4s;
}
.site-header.scrolled {
    background: var(--cream);
    box-shadow: var(--shadow-nav);
}
.site-header.scrolled .logo,
.site-header.scrolled .nav-link {
    color: var(--primary);
}
.site-header.scrolled .nav-cta {
    box-shadow: 0 4px 14px rgba(183, 138, 47, 0.2);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 18px;
    color: var(--white);
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: color var(--transition);
}
.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    color: var(--primary-dark);
    font-size: 16px;
    flex-shrink: 0;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link {
    position: relative;
    display: inline-block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.nav-link:hover {
    color: var(--gold-light);
    background: rgba(255, 255, 255, 0.06);
}
.nav-link:hover::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}
.nav-link.active {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    color: var(--primary-dark);
    font-weight: 600;
}
.nav-link.active::after {
    display: none;
}
.nav-cta {
    margin-left: 10px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 700;
    transition: all var(--transition);
    box-shadow: 0 2px 8px rgba(183, 138, 47, 0.2);
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(183, 138, 47, 0.35);
    color: var(--primary-dark);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: transparent;
    transition: all var(--transition);
}
.scrolled .nav-toggle {
    border-color: var(--border);
}
.nav-toggle i {
    font-size: 18px;
    color: var(--white);
    transition: color var(--transition);
}
.scrolled .nav-toggle i {
    color: var(--primary);
}

/* Hero */
.site-hero {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1E3A2F 0%, #14352B 55%, #0E2A20 100%);
    overflow: hidden;
}
.site-hero .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 1;
}
.site-hero .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(14, 42, 32, 0.75) 0%, rgba(14, 42, 32, 0.35) 100%);
}
.hero-inner {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--gold-light);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}
.hero-title {
    font-family: var(--font-serif);
    font-size: 50px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 2px;
}
.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    max-width: 460px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.hero-badges {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.badge-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 26px;
    border-radius: var(--radius-lg);
    background: rgba(30, 58, 47, 0.65);
    border: 1px solid rgba(199, 162, 69, 0.45);
    backdrop-filter: blur(6px);
    transition: all var(--transition);
}
.badge-item:hover {
    transform: translateX(6px);
    border-color: var(--gold);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.badge-num {
    font-family: var(--font-data);
    font-size: 40px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    min-width: 56px;
}
.badge-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}
.badge-label span {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    margin-top: 2px;
}

/* Pain points */
.pain-section {
    background: var(--cream);
}
.pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.pain-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: all var(--transition);
}
.pain-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--gold);
}
.pain-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(30, 58, 47, 0.08), rgba(30, 58, 47, 0.04));
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 22px;
    transition: all var(--transition);
}
.pain-card:hover .pain-icon {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    color: var(--primary-dark);
}
.pain-card h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.pain-card p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
}

/* Solution */
.solution-section {
    background: var(--white);
}
.solution-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 100px;
}
.solution-row:last-child {
    margin-bottom: 0;
}
.solution-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    min-height: 320px;
}
.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 320px;
    transition: transform 0.5s ease;
}
.solution-image:hover img {
    transform: scale(1.03);
}
.solution-content h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    line-height: 1.4;
}
.solution-content p {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 24px;
}
.check-list {
    margin-bottom: 28px;
}
.check-list li {
    position: relative;
    padding-left: 36px;
    font-size: 15px;
    color: var(--ink);
    margin-bottom: 14px;
    line-height: 1.7;
}
.check-list li i {
    position: absolute;
    left: 0;
    top: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    color: var(--primary-dark);
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Stats */
.stats-section {
    background: linear-gradient(135deg, #1E3A2F 0%, #14352B 55%, #0E2A20 100%);
    padding: 80px 0;
    position: relative;
}
.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity: 0.08;
}
.stats-section .container {
    position: relative;
    z-index: 1;
}
.stats-section .section-title {
    color: var(--white);
    text-align: center;
}
.stats-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.stat-item {
    text-align: center;
    padding: 36px 20px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition);
}
.stat-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold);
    transform: translateY(-4px);
}
.stat-number {
    font-family: var(--font-data);
    font-size: 48px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}
.stat-number .unit {
    font-size: 24px;
    margin-left: 4px;
}
.stat-label {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 1px;
}

/* Testimonial / Focus */
.testimonial-section {
    background: var(--cream);
}
.testimonial-large {
    max-width: 860px;
    margin: 0 auto 40px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 42px 48px;
    box-shadow: var(--shadow-sm);
    border-left: 6px solid var(--gold);
    position: relative;
}
.testimonial-large .quote-icon {
    font-size: 40px;
    color: var(--gold);
    opacity: 0.4;
    margin-bottom: 16px;
}
.testimonial-large p {
    font-size: 19px;
    line-height: 1.8;
    color: var(--ink);
    margin-bottom: 20px;
    font-weight: 500;
}
.testimonial-large .author {
    font-size: 14px;
    color: var(--muted);
}
.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    max-width: 860px;
    margin: 0 auto;
}
.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px 34px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid transparent;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--gold);
}
.testimonial-card h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.testimonial-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
}

/* News */
.news-section {
    background: var(--white);
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    display: block;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(30, 58, 47, 0.06);
    transition: all var(--transition);
    height: 100%;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: inherit;
}
.news-card:hover .news-image img {
    transform: scale(1.05);
}
.news-image {
    height: 180px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin: 12px 12px 0;
}
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-image.img-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}
.news-body {
    padding: 20px 24px 24px;
}
.news-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, rgba(199, 162, 69, 0.16), rgba(199, 162, 69, 0.1));
    color: var(--gold-dark);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}
.news-title {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.45;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-meta {
    font-size: 13px;
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.news-meta i {
    color: var(--gold);
}
.empty-state {
    grid-column: 1 / -1;
    padding: 60px 40px;
    border: 2px dashed var(--gold);
    border-radius: var(--radius-lg);
    text-align: center;
    background: var(--cream);
}
.empty-state i {
    font-size: 32px;
    color: var(--gold);
    margin-bottom: 14px;
}
.empty-state p {
    font-size: 16px;
    color: var(--muted);
}

/* FAQ */
.faq-section {
    background: var(--cream);
}
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    border: 1px solid rgba(30, 58, 47, 0.06);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition);
}
.faq-item.active {
    border-left: 4px solid var(--gold);
    box-shadow: var(--shadow-md);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    text-align: left;
    transition: background 0.3s;
}
.faq-question:hover {
    background: rgba(30, 58, 47, 0.04);
}
.faq-question .faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(30, 58, 47, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    transition: transform 0.3s;
}
.faq-item.active .faq-question .faq-icon {
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    color: var(--primary-dark);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s ease;
}
.faq-item.active .faq-answer {
    max-height: 500px;
}
.faq-answer p {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.85;
}

/* CTA */
.cta-section {
    background: var(--white);
    padding: 70px 0 96px;
}
.cta-card {
    position: relative;
    border-radius: 32px;
    padding: 64px 72px;
    background: linear-gradient(135deg, #1E3A2F 0%, #14352B 60%, #0E2A20 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(30, 58, 47, 0.25);
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 162, 69, 0.25), transparent 70%);
}
.cta-card .cta-content {
    position: relative;
    z-index: 1;
}
.cta-card h2 {
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.4;
}
.cta-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
}
.cta-card .cta-action {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

/* Footer */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 72px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-col .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 18px;
}
.footer-col .footer-logo .logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    font-size: 14px;
}
.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}
.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: all var(--transition);
}
.footer-col ul li a:hover {
    color: var(--gold-light);
    padding-left: 4px;
}
.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .hero-badges {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .badge-item {
        flex: 1;
        min-width: 180px;
    }
    .solution-row {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 80px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 48px 36px;
    }
    .pain-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .pain-card {
        padding: 28px 24px;
    }
}
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        background: var(--cream);
        padding: 20px 24px;
        box-shadow: var(--shadow-nav);
        border-radius: 0 0 16px 16px;
        gap: 4px;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-link {
        color: var(--primary);
        width: 100%;
        padding: 12px 16px;
        border-radius: 8px;
    }
    .nav-link:hover {
        background: rgba(30, 58, 47, 0.06);
        color: var(--primary);
    }
    .nav-link.active {
        background: linear-gradient(135deg, var(--gold-light), var(--gold));
        color: var(--primary-dark);
    }
    .nav-cta {
        margin-left: 0;
        margin-top: 8px;
        text-align: center;
    }
    .nav-toggle {
        display: flex;
    }
    .pain-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
}
@media (max-width: 767px) {
    .section {
        padding: 64px 0;
    }
    .section-title {
        font-size: 30px;
    }
    .site-hero {
        min-height: 0;
        padding: 140px 0 80px;
    }
    .hero-title {
        font-size: 32px;
        letter-spacing: 1px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-badges {
        flex-direction: column;
    }
    .badge-item {
        min-width: 100%;
    }
    .solution-row {
        margin-bottom: 60px;
    }
    .solution-content h2 {
        font-size: 26px;
    }
    .solution-image img {
        min-height: 240px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-item {
        padding: 24px 12px;
    }
    .stat-number {
        font-size: 36px;
    }
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    .testimonial-large {
        padding: 28px 24px;
    }
    .testimonial-large p {
        font-size: 16px;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .news-image {
        height: 160px;
    }
    .cta-card {
        padding: 40px 24px;
    }
    .cta-card h2 {
        font-size: 24px;
    }
    .cta-card .btn {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .faq-question {
        padding: 18px 20px;
        font-size: 15px;
    }
    .faq-answer p {
        padding: 0 20px 20px;
        font-size: 14px;
    }
    .header-inner {
        height: 56px;
    }
    .logo {
        font-size: 16px;
    }
    .logo-icon {
        width: 32px;
        height: 32px;
    }
    .nav-toggle {
        width: 40px;
        height: 40px;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 18px;
    }
    .hero-title {
        font-size: 28px;
    }
    .stat-number {
        font-size: 32px;
    }
    .btn {
        padding: 13px 24px;
        font-size: 14px;
    }
}

/* roulang page: category1 */
/* =================================================================
           米兰官方网站直接进入 - 米兰官网入口指南分类页
           设计变量 / Reset / 基础
        ================================================================= */
        :root {
            --brand-dark: #1E3A2F;
            --brand-mid: #2B5544;
            --brand-deep: #14352B;
            --gold: #C7A245;
            --gold-light: #D4B85C;
            --gold-deep: #B98A2F;
            --bg-warm: #F8F5EF;
            --bg-white: #FFFFFF;
            --text-main: #22302A;
            --text-muted: #6B7A72;
            --border-color: rgba(30, 58, 47, 0.10);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 12px rgba(30, 58, 47, 0.06);
            --shadow-hover: 0 8px 30px rgba(30, 58, 47, 0.14);
            --shadow-nav: 0 4px 20px rgba(30, 58, 47, 0.08);
            --transition: 0.3s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
            background: var(--brand-mid);
        }

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

        ul,
        ol {
            list-style: none;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: var(--transition);
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
            line-height: 1.35;
        }

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

        /* =================================================================
           导航区
        ================================================================= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 68px;
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: 18px;
            color: var(--brand-dark);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-dark), var(--brand-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 16px;
            flex-shrink: 0;
        }

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

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-dark);
            padding: 4px 2px;
            white-space: nowrap;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 0;
            height: 2px;
            background: var(--gold-deep);
            transition: width var(--transition);
        }

        .nav-link:hover {
            color: var(--gold-deep);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            color: var(--brand-deep);
            border-radius: 999px;
            padding: 6px 18px;
            font-weight: 600;
            white-space: nowrap;
        }

        .nav-link.active::after {
            display: none;
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--gold-light), var(--gold-deep));
            color: var(--brand-deep);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 2px 10px rgba(199, 162, 69, 0.4);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(199, 162, 69, 0.5);
            color: var(--brand-deep);
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-dark);
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        /* =================================================================
           Banner 区
        ================================================================= */
        .page-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-deep) 55%, #0E2A20 100%);
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 53, 43, 0.72) 0%, rgba(20, 53, 43, 0.28) 100%);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            padding: 72px 24px;
            color: #F8F5EF;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(248, 245, 239, 0.75);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: rgba(248, 245, 239, 0.75);
        }

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

        .breadcrumb .separator {
            opacity: 0.5;
        }

        .banner-content h1 {
            font-size: 46px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .banner-content p {
            font-size: 16px;
            color: rgba(248, 245, 239, 0.92);
            max-width: 560px;
            line-height: 1.8;
        }

        /* =================================================================
           通用板块
        ================================================================= */
        .section {
            padding: 96px 0;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-deep);
            background: rgba(212, 184, 92, 0.14);
            border: 1px solid rgba(199, 162, 69, 0.3);
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-header h2 {
            font-size: 36px;
            color: var(--brand-dark);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* =================================================================
           简介区
        ================================================================= */
        .intro-section {
            background: var(--bg-warm);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 64px;
            align-items: center;
        }

        .intro-text .section-tag {
            margin-bottom: 14px;
        }

        .intro-text h2 {
            font-size: 32px;
            color: var(--brand-dark);
            margin-bottom: 18px;
        }

        .intro-text p {
            font-size: 15.5px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.9;
        }

        .check-list {
            margin-top: 10px;
        }

        .check-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .check-list li i {
            color: var(--gold-deep);
            font-size: 17px;
        }

        .intro-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(199, 162, 69, 0.35);
        }

        .stat-number {
            font-family: "Playfair Display", Georgia, serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--brand-dark);
            display: block;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
            letter-spacing: 0.5px;
        }

        /* =================================================================
           交错特征区
        ================================================================= */
        .features-section {
            background: var(--bg-white);
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 80px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.reverse .feature-media {
            order: 2;
        }

        .feature-row.reverse .feature-text {
            order: 1;
        }

        .feature-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(30, 58, 47, 0.04));
            transition: var(--transition);
        }

        .feature-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .feature-row:hover .feature-media img {
            transform: scale(1.02);
        }

        .feature-text {
            padding: 10px 0;
        }

        .feature-num {
            font-family: "Playfair Display", Georgia, serif;
            font-size: 58px;
            font-weight: 700;
            color: rgba(30, 58, 47, 0.08);
            display: block;
            line-height: 1;
            margin-bottom: 12px;
        }

        .feature-text h3 {
            font-size: 24px;
            color: var(--brand-dark);
            margin-bottom: 12px;
        }

        .feature-text p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .feature-text .check-list {
            margin-bottom: 12px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14.5px;
            font-weight: 600;
            color: var(--gold-deep);
            border-bottom: 2px solid transparent;
        }

        .text-link:hover {
            border-bottom-color: var(--gold-deep);
            gap: 12px;
        }

        /* =================================================================
           官方识别区
        ================================================================= */
        .check-section {
            background: var(--bg-warm);
        }

        .check-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .check-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .check-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(199, 162, 69, 0.4);
        }

        .check-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-dark), var(--brand-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 22px;
        }

        .check-card h3 {
            font-size: 18px;
            color: var(--brand-dark);
            margin-bottom: 10px;
            font-family: "Noto Sans SC", sans-serif;
            font-weight: 600;
        }

        .check-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
        }

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

        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 14px;
            padding: 0 20px;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item.active {
            border-left: 4px solid var(--gold);
            background: #FCFAF5;
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-dark);
            text-align: left;
            font-family: "Noto Sans SC", sans-serif;
        }

        .faq-question i {
            color: var(--gold-deep);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0;
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.85;
            border-top: 0 solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
            padding: 0 0 20px;
            border-top: 1px solid var(--border-color);
            margin-top: 0;
        }

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

        /* =================================================================
           CTA 区
        ================================================================= */
        .cta-section {
            background: var(--bg-warm);
            padding: 80px 0;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-deep) 60%, #0E2A20 100%);
            border-radius: var(--radius-lg);
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            color: #F8F5EF;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-deep));
            opacity: 0.12;
        }

        .cta-content h2 {
            font-size: 28px;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(248, 245, 239, 0.85);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 30px;
            transition: var(--transition);
            border: 0;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold-light), var(--gold-deep));
            color: var(--brand-deep);
            box-shadow: 0 4px 16px rgba(199, 162, 69, 0.4);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(199, 162, 69, 0.55);
            color: var(--brand-deep);
        }

        .btn-outline {
            border: 1px solid rgba(248, 245, 239, 0.5);
            color: #F8F5EF;
        }

        .btn-outline:hover {
            background: #F8F5EF;
            color: var(--brand-dark);
            border-color: #F8F5EF;
        }

        /* =================================================================
           页脚区
        ================================================================= */
        .site-footer {
            background: var(--brand-deep);
            color: rgba(248, 245, 239, 0.8);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: 18px;
            color: #F8F5EF;
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            background: rgba(248, 245, 239, 0.12);
            color: var(--gold-light);
        }

        .footer-col p {
            line-height: 1.8;
            color: rgba(248, 245, 239, 0.65);
        }

        .footer-col h4 {
            font-family: "Noto Sans SC", sans-serif;
            font-size: 15px;
            font-weight: 600;
            color: #F8F5EF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li a {
            color: rgba(248, 245, 239, 0.7);
        }

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

        .copyright {
            border-top: 1px solid rgba(248, 245, 239, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(248, 245, 239, 0.45);
        }

        /* =================================================================
           响应式
        ================================================================= */
        @media (max-width: 1200px) {
            .container {
                padding: 0 28px;
            }

            .feature-row {
                gap: 40px;
            }
        }

        @media (max-width: 992px) {
            .section {
                padding: 64px 0;
            }

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

            .intro-stats {
                grid-template-columns: repeat(3, 1fr);
            }

            .feature-row,
            .feature-row.reverse {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .feature-row.reverse .feature-media {
                order: 1;
            }

            .feature-row.reverse .feature-text {
                order: 2;
            }

            .feature-media img {
                height: 260px;
            }

            .check-grid {
                grid-template-columns: 1fr;
                max-width: 460px;
                margin: 0 auto;
            }

            .cta-card {
                flex-direction: column;
                text-align: center;
                padding: 48px 32px;
            }

            .cta-actions {
                justify-content: center;
            }

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

            .nav-menu {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-warm);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 28px 32px;
                gap: 16px;
                box-shadow: var(--shadow-nav);
                transform: translateY(-12px);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
                border-bottom: 1px solid var(--border-color);
            }

            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link,
            .nav-link.active {
                padding: 8px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
                white-space: normal;
            }

            .nav-link.active {
                background: linear-gradient(135deg, var(--gold-light), var(--gold));
                color: var(--brand-deep);
            }

            .nav-link::after {
                display: none;
            }

            .nav-cta {
                margin-top: 8px;
            }

            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                height: 56px;
            }

            .nav-menu {
                top: 56px;
            }

            .logo {
                font-size: 15px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .banner-content {
                padding: 48px 20px;
            }

            .banner-content h1 {
                font-size: 32px;
            }

            .banner-content p {
                font-size: 14px;
            }

            .section {
                padding: 48px 0;
            }

            .section-header {
                margin-bottom: 32px;
            }

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

            .section-header p {
                font-size: 14px;
            }

            .intro-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 20px 12px;
            }

            .stat-number {
                font-size: 32px;
            }

            .feature-media img {
                height: 200px;
            }

            .feature-text h3 {
                font-size: 20px;
            }

            .feature-num {
                font-size: 44px;
            }

            .cta-card {
                padding: 36px 20px;
            }

            .cta-content h2 {
                font-size: 22px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

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

            .faq-question {
                font-size: 14.5px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .check-card {
                padding: 28px 20px;
            }

            .cta-card {
                border-radius: var(--radius-md);
            }

            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }

            .banner-content h1 {
                font-size: 28px;
            }

            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
        }

/* roulang page: article */
:root {
    --brand-green: #1E3A2F;
    --brand-green-light: #2B5544;
    --brand-green-dark: #14352B;
    --gold: #C7A245;
    --gold-light: #D4B85C;
    --gold-dark: #B98A2F;
    --cream: #F8F5EF;
    --white: #FFFFFF;
    --text-dark: #22302A;
    --text-muted: #6B7A72;
    --border-light: rgba(30, 58, 47, 0.10);
    --border-gold: rgba(199, 162, 69, 0.35);
    --shadow-card: 0 2px 12px rgba(30, 58, 47, 0.06);
    --shadow-hover: 0 8px 30px rgba(30, 58, 47, 0.14);
    --shadow-nav: 0 4px 20px rgba(30, 58, 47, 0.08);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --header-height: 68px;
    --container-width: 1200px;
    --font-serif: 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
    --font-sans: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-dark);
    background: var(--cream);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    background: var(--brand-green-light);
}

a {
    color: var(--brand-green);
    text-decoration: none;
    transition: color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

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

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    font: inherit;
    color: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--cream);
    box-shadow: var(--shadow-nav);
    border-bottom: 1px solid var(--border-light);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--brand-green);
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

.logo:hover {
    color: var(--brand-green);
    opacity: 0.85;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    color: var(--brand-green-dark);
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(199, 162, 69, 0.4);
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    font-size: 22px;
    color: var(--brand-green);
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background 0.3s ease;
}

.nav-toggle:hover {
    background: rgba(30, 58, 47, 0.08);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: inline-block;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--brand-green);
    border-radius: 999px;
    position: relative;
    transition: color 0.3s ease, background 0.3s ease;
}

.nav-link:hover {
    color: var(--gold-dark);
    background: rgba(199, 162, 69, 0.10);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    color: var(--brand-green-dark);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(199, 162, 69, 0.35);
}

.nav-link.active:hover {
    color: var(--brand-green-dark);
}

.nav-cta {
    margin-left: 8px;
    padding: 9px 22px;
    font-size: 14px;
}

.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: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    color: var(--brand-green-dark);
    box-shadow: 0 4px 14px rgba(199, 162, 69, 0.30);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(199, 162, 69, 0.40);
    color: var(--brand-green-dark);
    filter: brightness(1.05);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(199, 162, 69, 0.30);
}

.btn-outline {
    border: 1px solid var(--brand-green);
    color: var(--brand-green);
    background: transparent;
}

.btn-outline:hover {
    background: var(--brand-green);
    color: var(--cream);
    transform: translateY(-2px);
}

.btn-gold-outline {
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: #F0EDE4;
    background: transparent;
}

.btn-gold-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--gold-light);
    color: var(--gold-light);
    transform: translateY(-2px);
}

.btn i {
    font-size: 14px;
}

/* ===== 文章页头部 ===== */
.article-page-header {
    background: linear-gradient(135deg, var(--cream) 0%, #EFEAE1 100%);
    padding: 48px 0 40px;
    border-bottom: 1px solid var(--border-light);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.breadcrumb-nav a {
    color: var(--brand-green);
    font-weight: 500;
}

.breadcrumb-nav a:hover {
    color: var(--gold-dark);
}

.breadcrumb-sep {
    color: var(--gold);
    font-size: 12px;
}

.breadcrumb-current {
    color: var(--text-muted);
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-header-info .category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    color: var(--brand-green-dark);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(199, 162, 69, 0.25);
    margin-bottom: 16px;
}

.article-header-info h1 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    color: var(--brand-green-dark);
    line-height: 1.35;
    margin-bottom: 18px;
    max-width: 860px;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

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

.meta-item i {
    color: var(--gold);
    font-size: 13px;
}

/* ===== 主内容区 ===== */
.article-main {
    padding: 56px 0 80px;
}

.article-layout {
    display: flex;
    flex-direction: column;
}

.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 48px 56px;
    max-width: 860px;
    margin: 0 auto;
    width: 100%;
    position: relative;
}

.article-body {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-dark);
    word-break: break-word;
}

.article-body p {
    margin-bottom: 1.6em;
}

.article-body h2 {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    color: var(--brand-green);
    margin: 2.2em 0 0.8em;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(30, 58, 47, 0.08);
    position: relative;
}

.article-body h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 48px;
    height: 2px;
    background: var(--gold);
}

.article-body h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--brand-green);
    margin: 1.8em 0 0.6em;
}

.article-body h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--brand-green-light);
    margin: 1.4em 0 0.5em;
}

.article-body img {
    border-radius: var(--radius-md);
    margin: 32px auto;
    box-shadow: var(--shadow-card);
    max-width: 100%;
    height: auto;
}

.article-body figure {
    margin: 32px 0;
    text-align: center;
}

.article-body figure img {
    margin: 0 auto;
}

.article-body figcaption {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 10px;
    text-align: center;
}

.article-body blockquote {
    border-left: 4px solid var(--gold);
    background: rgba(199, 162, 69, 0.08);
    padding: 20px 26px;
    margin: 28px 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-dark);
    font-style: normal;
    line-height: 1.8;
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

.article-body ul,
.article-body ol {
    margin: 18px 0 26px;
    padding-left: 8px;
}

.article-body ul li,
.article-body ol li {
    padding-left: 22px;
    margin-bottom: 10px;
    position: relative;
    line-height: 1.8;
}

.article-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
}

.article-body ol {
    list-style: none;
    counter-reset: article-counter;
}

.article-body ol li {
    counter-increment: article-counter;
    padding-left: 32px;
}

.article-body ol li::before {
    content: counter(article-counter) '.';
    position: absolute;
    left: 0;
    font-weight: 600;
    color: var(--gold-dark);
    font-family: var(--font-display);
}

.article-body a {
    color: var(--brand-green-light);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(199, 162, 69, 0.5);
    font-weight: 500;
}

.article-body a:hover {
    color: var(--gold-dark);
    text-decoration-color: var(--gold-dark);
}

.article-body table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 28px 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    font-size: 15px;
}

.article-body th {
    background: var(--brand-green);
    color: var(--cream);
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
    font-size: 15px;
}

.article-body td {
    padding: 13px 18px;
    border-bottom: 1px solid var(--border-light);
    line-height: 1.7;
}

.article-body tr:nth-child(even) td {
    background: rgba(30, 58, 47, 0.03);
}

.article-body tr:last-child td {
    border-bottom: none;
}

.article-body pre {
    background: var(--brand-green-dark);
    color: #E8E4D8;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 14px;
    line-height: 1.7;
    margin: 24px 0;
}

.article-body code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.9em;
    background: rgba(30, 58, 47, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--brand-green-dark);
}

.article-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    border-radius: 0;
}

.article-body hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: 36px 0;
}

/* 内容未找到 */
.article-not-found {
    text-align: center;
    padding: 60px 20px;
}

.article-not-found i {
    font-size: 52px;
    color: var(--gold);
    margin-bottom: 20px;
}

.article-not-found h2 {
    font-family: var(--font-serif);
    font-size: 26px;
    color: var(--brand-green);
    margin-bottom: 12px;
}

.article-not-found p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 15px;
}

/* ===== 文章标签 ===== */
.article-tags {
    max-width: 860px;
    margin: 28px auto 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 8px;
}

.tags-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-green);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tags-label i {
    color: var(--gold);
}

.tag-item {
    display: inline-block;
    background: var(--white);
    border: 1px solid var(--border-light);
    color: var(--brand-green-light);
    font-size: 13px;
    padding: 5px 16px;
    border-radius: 999px;
    transition: all 0.3s ease;
}

.tag-item:hover {
    background: var(--gold-light);
    border-color: var(--gold);
    color: var(--brand-green-dark);
    transform: translateY(-1px);
}

/* ===== 相关推荐 ===== */
.related-section {
    max-width: 860px;
    margin: 56px auto 0;
    padding: 0 8px;
}

.related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.related-header h2 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--brand-green-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.related-header h2 i {
    color: var(--gold);
    font-size: 20px;
}

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

.related-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    display: block;
    border: 1px solid transparent;
}

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

.related-card .related-cover {
    height: 160px;
    overflow: hidden;
    position: relative;
    background: var(--brand-green-light);
}

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

.related-card:hover .related-cover img {
    transform: scale(1.03);
}

.related-card .related-body {
    padding: 20px;
}

.related-card .related-cat {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gold-dark);
    background: rgba(199, 162, 69, 0.12);
    padding: 3px 12px;
    border-radius: 999px;
    margin-bottom: 10px;
}

.related-card h3 {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--brand-green);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== CTA区 ===== */
.article-cta {
    max-width: 860px;
    margin: 48px auto 0;
    padding: 0 8px;
}

.cta-card {
    background: linear-gradient(135deg, var(--brand-green) 0%, var(--brand-green-dark) 60%, #0E2A20 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: relative;
    overflow: hidden;
}

.cta-card::after {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(199, 162, 69, 0.35), rgba(199, 162, 69, 0.05));
    pointer-events: none;
}

.cta-card .cta-text h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: #F0EDE4;
    margin-bottom: 8px;
}

.cta-card .cta-text p {
    font-size: 14px;
    color: rgba(240, 237, 228, 0.75);
    line-height: 1.6;
}

.cta-card .btn {
    flex-shrink: 0;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--brand-green-dark);
    color: rgba(240, 237, 228, 0.8);
    padding: 72px 0 24px;
    margin-top: 40px;
}

.site-footer .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr;
    gap: 40px;
    margin-bottom: 48px;
}

.site-footer .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    color: #F0EDE4;
    margin-bottom: 14px;
}

.site-footer .footer-logo .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
}

.site-footer .footer-col p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(240, 237, 228, 0.65);
    max-width: 320px;
}

.site-footer .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #F0EDE4;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.site-footer .footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--gold);
}

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

.site-footer .footer-col ul a {
    color: rgba(240, 237, 228, 0.7);
    font-size: 14px;
    transition: all 0.3s ease;
}

.site-footer .footer-col ul a:hover {
    color: var(--gold-light);
    padding-left: 6px;
}

.site-footer .copyright {
    border-top: 1px solid rgba(240, 237, 228, 0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(240, 237, 228, 0.5);
}

.site-footer .copyright p {
    margin-bottom: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .article-header-info h1 {
        font-size: 32px;
    }

    .article-card {
        padding: 36px 32px;
    }

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

    .related-card .related-cover {
        height: 140px;
    }

    .site-footer .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }
}

@media (max-width: 767px) {
    :root {
        --header-height: 56px;
    }

    .container {
        padding: 0 20px;
    }

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

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

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

    .logo-icon {
        width: 30px;
        height: 30px;
        font-size: 13px;
        border-radius: 8px;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        padding: 6px;
        color: var(--brand-green);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--cream);
        box-shadow: var(--shadow-nav);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px 24px;
        gap: 6px;
        border-bottom: 1px solid var(--border-light);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }

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

    .nav-menu .nav-link {
        display: block;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        font-size: 15px;
    }

    .nav-menu .nav-link.active {
        border-radius: var(--radius-sm);
    }

    .nav-menu .nav-cta {
        margin: 12px 0 0;
        justify-content: center;
        width: 100%;
    }

    .article-page-header {
        padding: 32px 0 28px;
    }

    .breadcrumb-nav {
        margin-bottom: 20px;
        font-size: 13px;
        gap: 6px;
    }

    .breadcrumb-current {
        max-width: 150px;
    }

    .article-header-info h1 {
        font-size: 28px;
        line-height: 1.4;
    }

    .article-meta {
        gap: 16px;
        font-size: 13px;
        flex-direction: column;
        align-items: flex-start;
    }

    .article-main {
        padding: 32px 0 56px;
    }

    .article-card {
        padding: 28px 22px;
        border-radius: var(--radius-md);
    }

    .article-body {
        font-size: 16px;
        line-height: 1.85;
    }

    .article-body h2 {
        font-size: 22px;
    }

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

    .article-body table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

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

    .related-card .related-cover {
        height: 150px;
    }

    .cta-card {
        padding: 28px 20px;
    }

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

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

    .site-footer {
        padding: 48px 0 20px;
    }

    .site-footer .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 480px) {
    .article-header-info h1 {
        font-size: 24px;
    }

    .article-tags {
        gap: 8px;
    }

    .tag-item {
        font-size: 12px;
        padding: 4px 12px;
    }

    .related-header h2 {
        font-size: 20px;
    }
}

/* roulang page: category2 */
:root {
            --brand-green: #1E3A2F;
            --brand-mid-green: #2B5544;
            --brand-dark-green: #14352B;
            --brand-deep-green: #0E2A20;
            --gold: #C7A245;
            --gold-light: #D4B85C;
            --gold-dark: #B98A2F;
            --bg-cream: #F8F5EF;
            --card-white: #FFFFFF;
            --text-dark: #22302A;
            --text-muted: #6B7A72;
            --divider: rgba(30, 58, 47, 0.10);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(30, 58, 47, 0.06);
            --shadow-lg: 0 8px 30px rgba(30, 58, 47, 0.14);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
            --font-sans: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-serif-num: "Playfair Display", Georgia, serif;
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            line-height: 1.35;
            color: var(--text-dark);
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-cream);
            box-shadow: 0 4px 20px rgba(30, 58, 47, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 18px;
            color: var(--brand-green);
            letter-spacing: 0.02em;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-green);
            color: var(--gold-light);
            border-radius: 10px;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            transition: all 0.25s ease;
        }
        .nav-link:hover {
            color: var(--gold-dark);
            background: rgba(199, 162, 69, 0.12);
        }
        .nav-link.active {
            background: var(--gold);
            color: var(--text-dark);
            font-weight: 600;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-dark) 100%);
            color: var(--text-dark);
            box-shadow: 0 4px 14px rgba(199, 162, 69, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(199, 162, 69, 0.45);
            filter: brightness(1.06);
        }
        .btn-primary:focus,
        .btn-outline-light:focus,
        .nav-link:focus {
            outline: 3px solid rgba(199, 162, 69, 0.4);
            outline-offset: 2px;
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(248, 245, 239, 0.7);
            color: #F8F5EF;
        }
        .btn-outline-light:hover {
            background: #F8F5EF;
            color: var(--brand-green);
        }
        .nav-cta {
            margin-left: 10px;
        }
        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--brand-green);
            padding: 6px;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background:
                linear-gradient(135deg, rgba(30, 58, 47, 0.88) 0%, rgba(14, 42, 32, 0.94) 100%),
                url('/assets/images/coverpic/cover-5.png') center/cover no-repeat;
            padding: 110px 0 72px;
            color: #F8F5EF;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: rgba(248, 245, 239, 0.8);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: rgba(248, 245, 239, 0.85);
        }
        .breadcrumb a:hover {
            color: var(--gold-light);
        }
        .breadcrumb .sep {
            margin: 0 6px;
            font-size: 12px;
            opacity: 0.7;
        }
        .page-banner h1 {
            font-size: 48px;
            color: #F8F5EF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .banner-sub {
            font-size: 17px;
            max-width: 680px;
            color: rgba(248, 245, 239, 0.88);
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }
        .banner-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(248, 245, 239, 0.92);
            font-size: 14px;
        }
        .banner-tags i {
            color: var(--gold-light);
            font-size: 13px;
        }

        /* Sections */
        .section-block {
            padding: 96px 0;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 36px;
            margin-bottom: 12px;
        }
        .section-head .section-desc {
            color: var(--text-muted);
            font-size: 16px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: rgba(199, 162, 69, 0.12);
            color: var(--gold-dark);
            font-size: 13px;
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .bg-white {
            background: var(--card-white);
        }
        .bg-cream {
            background: var(--bg-cream);
        }

        /* Intro */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 58, 47, 0) 55%, rgba(30, 58, 47, 0.18) 100%);
        }
        .intro-content h2 {
            font-size: 32px;
            margin-bottom: 16px;
        }
        .intro-content p {
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .intro-points {
            margin-top: 20px;
        }
        .intro-points li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 8px 0;
            color: var(--text-dark);
        }
        .intro-points li i {
            color: var(--gold-dark);
            font-size: 16px;
            margin-top: 6px;
            flex-shrink: 0;
        }

        /* Brand cats cards */
        .cats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cat-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .cat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--gold-light), var(--gold-dark));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .cat-card:hover {
            border-color: rgba(199, 162, 69, 0.4);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .cat-card:hover::before {
            opacity: 1;
        }
        .cat-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(30, 58, 47, 0.08), rgba(199, 162, 69, 0.14));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-green);
            margin-bottom: 20px;
        }
        .cat-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }
        .cat-card p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .cat-tag {
            display: inline-block;
            background: rgba(199, 162, 69, 0.12);
            color: var(--gold-dark);
            font-size: 13px;
            border-radius: 999px;
            padding: 3px 12px;
            margin-top: 14px;
            font-weight: 500;
        }

        /* Feature rows */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 96px;
        }
        .feature-row:last-of-type {
            margin-bottom: 0;
        }
        .feature-row.reverse .feature-visual {
            order: 2;
        }
        .feature-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .feature-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-visual:hover img {
            transform: scale(1.02);
        }
        .feature-body h2 {
            font-size: 30px;
            margin-bottom: 14px;
        }
        .feature-body p {
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .feature-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 6px 0;
        }
        .feature-list li i {
            color: var(--gold-dark);
            margin-top: 6px;
            flex-shrink: 0;
        }

        /* Link cards */
        .link-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .link-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--card-white);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        .link-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .link-card-media {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--brand-green);
        }
        .link-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .link-card:hover .link-card-media img {
            transform: scale(1.04);
        }
        .link-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 58, 47, 0) 40%, rgba(30, 58, 47, 0.25) 100%);
        }
        .link-card-body {
            padding: 24px;
        }
        .link-card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .link-card-body p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .link-card-more {
            color: var(--gold-dark);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .link-card-more i {
            transition: transform 0.2s ease;
        }
        .link-card:hover .link-card-more i {
            transform: translateX(4px);
        }

        /* FAQ */
        .faq-section {
            background: linear-gradient(180deg, var(--bg-cream) 0%, #fff 100%);
        }
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-item.active {
            border-color: rgba(199, 162, 69, 0.4);
            box-shadow: var(--shadow-lg);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 28px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-dark);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: rgba(30, 58, 47, 0.02);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(30, 58, 47, 0.06);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            background: var(--gold);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 28px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 28px 22px;
        }
        .faq-answer p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 96px 0;
            background: var(--bg-cream);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--brand-green) 0%, var(--brand-dark-green) 60%, var(--brand-deep-green) 100%);
            border-radius: 32px;
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(199, 162, 69, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -100px;
            width: 220px;
            height: 220px;
            border: 2px solid rgba(199, 162, 69, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            color: #F8F5EF;
            font-size: 28px;
            margin-bottom: 10px;
        }
        .cta-content p {
            color: rgba(248, 245, 239, 0.85);
            font-size: 15px;
        }
        .cta-box .btn {
            position: relative;
            z-index: 2;
            white-space: nowrap;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-dark-green);
            color: rgba(248, 245, 239, 0.82);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 18px;
            color: #F8F5EF;
            margin-bottom: 16px;
        }
        .footer-col h4 {
            color: #F8F5EF;
            font-size: 16px;
            margin-bottom: 16px;
            font-family: var(--font-sans);
            font-weight: 600;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(248, 245, 239, 0.75);
        }
        .footer-col ul li {
            padding: 4px 0;
        }
        .footer-col ul li a {
            font-size: 15px;
            color: rgba(248, 245, 239, 0.75);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }
        .copyright {
            border-top: 1px solid rgba(248, 245, 239, 0.12);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(248, 245, 239, 0.6);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .container {
                padding: 0 28px;
            }
        }
        @media (max-width: 992px) {
            .section-block {
                padding: 64px 0;
            }
            .intro-grid,
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-row.reverse .feature-visual {
                order: 0;
            }
            .cats-grid,
            .link-cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 40px 32px;
            }
            .page-banner h1 {
                font-size: 40px;
            }
        }
        @media (max-width: 767px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--bg-cream);
                padding: 16px 24px;
                flex-direction: column;
                gap: 4px;
                box-shadow: 0 8px 30px rgba(30, 58, 47, 0.12);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
            }
            .nav-cta {
                width: 100%;
                margin: 8px 0 0;
                justify-content: center;
            }
            .header-inner {
                height: 56px;
            }
            .page-banner {
                padding: 80px 0 48px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .banner-sub {
                font-size: 15px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .cats-grid,
            .link-cards-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-box {
                padding: 32px 24px;
            }
            .cta-box .btn {
                width: 100%;
                justify-content: center;
            }
            .intro-media img {
                height: 240px;
            }
            .feature-visual img {
                height: 220px;
            }
            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 20px;
            }
            .faq-item.active .faq-answer {
                padding: 0 20px 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 20px;
            }
            .logo {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .banner-tags span {
                font-size: 13px;
                padding: 4px 12px;
            }
            .section-badge {
                font-size: 12px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .copyright {
                font-size: 13px;
                line-height: 1.7;
            }
        }

/* roulang page: category3 */
:root {
            --brand-green: #1E3A2F;
            --brand-mid: #2B5544;
            --brand-dark: #14352B;
            --gold: #C7A245;
            --gold-light: #D4B85C;
            --gold-dark: #B98A2F;
            --beige: #F8F5EF;
            --white: #FFFFFF;
            --text: #22302A;
            --text-light: #6B7A72;
            --border: rgba(30, 58, 47, 0.10);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 12px rgba(30, 58, 47, 0.06);
            --shadow-hover: 0 8px 30px rgba(30, 58, 47, 0.14);
            --shadow-nav: 0 4px 20px rgba(30, 58, 47, 0.08);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
            --font-body: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-number: 'Playfair Display', Georgia, serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--beige);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        ul {
            list-style: none;
        }

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

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

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            width: 100%;
            height: 68px;
            background: var(--beige);
            box-shadow: var(--shadow-nav);
            z-index: 1000;
            transition: box-shadow .3s ease, background .3s ease;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-green);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: var(--brand-dark);
            font-size: 16px;
            box-shadow: var(--shadow-card);
        }

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

        .nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--brand-green);
            border-radius: 999px;
            transition: color .25s ease, background .25s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: transparent;
            border-radius: 1px;
            transition: background .25s ease;
        }

        .nav-link:hover {
            color: var(--gold-dark);
        }

        .nav-link:hover::after {
            background: var(--gold-dark);
        }

        .nav-link.active {
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: var(--brand-dark);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(199, 162, 69, 0.35);
        }

        .nav-link.active::after {
            display: none;
        }

        .nav-cta {
            margin-left: 18px;
            padding: 10px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-green);
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--white);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            line-height: 1.5;
            border: 2px solid transparent;
            transition: all .28s ease;
            text-align: center;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: var(--brand-dark);
            box-shadow: 0 4px 16px rgba(199, 162, 69, 0.3);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #e0c56d, var(--gold-dark));
            color: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(199, 162, 69, 0.4);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--beige);
            color: var(--brand-dark);
            border-color: var(--beige);
            transform: translateY(-2px);
        }

        .btn-ghost {
            border-color: var(--gold);
            color: var(--brand-green);
            background: var(--white);
        }

        .btn-ghost:hover {
            background: rgba(199, 162, 69, 0.12);
            border-color: var(--gold-dark);
            color: var(--brand-dark);
            transform: translateY(-2px);
        }

        /* ========== 页头横幅 ========== */
        .page-banner {
            position: relative;
            padding: 72px 0;
            min-height: 360px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(20, 53, 43, 0.94) 0%, rgba(30, 58, 47, 0.88) 55%, rgba(14, 42, 32, 0.92) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 184, 92, 0.25) 0%, rgba(212, 184, 92, 0) 70%);
        }

        .banner-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(212, 184, 92, 0.18);
            border: 1px solid rgba(212, 184, 92, 0.5);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .banner-badge i {
            font-size: 12px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
        }

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

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

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 52px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .page-banner p {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 580px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 96px 0;
        }

        .section-beige {
            background: var(--beige);
        }

        .section-white {
            background: var(--white);
        }

        .section-head {
            margin-bottom: 56px;
            text-align: left;
            max-width: 720px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-dark);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-kicker::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--brand-green);
            line-height: 1.35;
            margin-bottom: 14px;
        }

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

        /* ========== 图文介绍区 ========== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 72px;
            align-items: center;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: #e9e6de;
        }

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

        .intro-media::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            box-shadow: inset 0 0 0 1px rgba(30, 58, 47, 0.06);
            pointer-events: none;
        }

        .intro-text h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--brand-green);
            line-height: 1.4;
            margin-bottom: 20px;
        }

        .intro-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .check-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.65;
        }

        .check-list li i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            min-width: 22px;
            margin-top: 3px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: var(--brand-dark);
            font-size: 11px;
        }

        /* ========== 问题类型横卡 ========== */
        .type-stack {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .type-row {
            display: grid;
            grid-template-columns: 72px 1fr 160px;
            gap: 28px;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
        }

        .type-row:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(199, 162, 69, 0.4);
        }

        .type-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: linear-gradient(180deg, rgba(199, 162, 69, 0.16), rgba(199, 162, 69, 0.05));
            color: var(--gold-dark);
            font-size: 28px;
            border: 1px solid rgba(199, 162, 69, 0.22);
        }

        .type-detail h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-green);
            margin-bottom: 8px;
        }

        .type-detail p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .type-tag {
            justify-self: end;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(30, 58, 47, 0.08);
            color: var(--brand-mid);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
        }

        /* ========== 流程图 ========== */
        .process-section {
            background: linear-gradient(135deg, var(--brand-dark), var(--brand-green));
            color: #fff;
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-section .section-kicker {
            color: var(--gold-light);
        }

        .process-section .section-kicker::before {
            background: var(--gold-light);
        }

        .step-flow {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 20px;
        }

        .step-card {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            transition: background .3s ease, transform .3s ease;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .step-num {
            font-family: var(--font-number);
            font-size: 42px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }

        .step-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.68);
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -28px;
            transform: translateY(-50%);
            color: rgba(212, 184, 92, 0.5);
            font-size: 20px;
            z-index: 2;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

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

        .faq-item.active {
            border-color: var(--gold);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 22px 28px;
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-green);
            text-align: left;
            transition: background .25s ease;
        }

        .faq-question:hover {
            background: rgba(199, 162, 69, 0.05);
        }

        .faq-question .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            min-width: 30px;
            border-radius: 50%;
            border: 1px solid var(--border);
            color: var(--gold-dark);
            font-size: 14px;
            transition: transform .3s ease, background .3s ease, border-color .3s ease;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: var(--brand-dark);
            border-color: transparent;
        }

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

        .faq-item.active .faq-answer {
            max-height: 320px;
        }

        .faq-answer-inner {
            padding: 4px 28px 24px 28px;
            border-left: 3px solid var(--gold);
            margin-left: 28px;
            margin-right: 28px;
            margin-bottom: 4px;
            border-radius: 0 4px 4px 0;
            background: rgba(248, 245, 239, 0.7);
            padding-left: 20px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-light);
        }

        /* ========== 站内推荐 ========== */
        .related-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: box-shadow .3s ease, transform .3s ease;
        }

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

        .related-media {
            position: relative;
            height: 180px;
            background: #e9e6de;
            overflow: hidden;
        }

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

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

        .related-body {
            padding: 28px 30px 32px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(199, 162, 69, 0.16);
            color: var(--gold-dark);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .related-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-green);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .related-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-mid);
            margin-top: auto;
            transition: color .25s ease, gap .25s ease;
        }

        .related-link:hover {
            color: var(--gold-dark);
            gap: 12px;
        }

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

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--beige);
        }

        .cta-box {
            position: relative;
            border-radius: 32px;
            padding: 72px 80px;
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-green) 60%, var(--brand-mid) 100%);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -40px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 184, 92, 0.3) 0%, rgba(212, 184, 92, 0) 70%);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 30px solid rgba(255, 255, 255, 0.04);
        }

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

        .cta-text h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            color: #fff;
            margin-bottom: 12px;
        }

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

        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: flex-end;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 72px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .copyright p {
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .container {
                max-width: 100%;
                padding: 0 32px;
            }
        }

        @media (max-width: 992px) {
            .intro-block {
                grid-template-columns: 1fr;
                gap: 48px;
            }

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

            .type-row {
                grid-template-columns: 64px 1fr;
                gap: 20px;
                padding: 28px;
            }

            .type-tag {
                display: none;
            }

            .step-flow {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .step-arrow {
                display: none;
            }

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

            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 56px 40px;
            }

            .cta-actions {
                justify-content: flex-start;
            }

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

        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }

            .site-header {
                height: 56px;
            }

            .logo {
                font-size: 15px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

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

            .nav-menu {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--beige);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                box-shadow: var(--shadow-nav);
                border-radius: 0 0 16px 16px;
            }

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

            .nav-link {
                padding: 12px 16px;
                text-align: left;
                font-size: 16px;
            }

            .nav-link::after {
                display: none;
            }

            .nav-link.active {
                border-radius: 12px;
            }

            .nav-cta {
                margin: 12px 0 0;
                justify-content: center;
                width: 100%;
            }

            .page-banner {
                min-height: 300px;
                padding: 56px 0;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .page-banner p {
                font-size: 16px;
            }

            .breadcrumb {
                font-size: 13px;
            }

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

            .intro-text h2 {
                font-size: 24px;
            }

            .type-row {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 24px;
            }

            .type-icon {
                width: 56px;
                height: 56px;
                font-size: 22px;
                border-radius: 16px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 4px 18px 18px 18px;
                margin-left: 18px;
                margin-right: 18px;
                padding-left: 16px;
                font-size: 14px;
            }

            .cta-box {
                padding: 48px 24px;
                border-radius: 24px;
            }

            .cta-text h2 {
                font-size: 24px;
            }

            .cTB .btn {
                width: 100%;
            }

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

            .footer-col:last-child {
                margin-bottom: 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 20px;
            }

            .page-banner h1 {
                font-size: 26px;
            }

            .page-banner p {
                font-size: 15px;
            }

            .section-head p {
                font-size: 15px;
            }

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

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

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