/* roulang page: index */
/* ========== Design Variables ========== */
:root {
    --color-primary: #1E3D36;
    --color-primary-dark: #142B26;
    --color-primary-light: #2D554D;
    --color-accent: #B4916A;
    --color-accent-light: #C9AD8B;
    --color-bg: #F6F3EE;
    --color-bg-card: #FFFFFF;
    --color-text: #1C2623;
    --color-text-secondary: #5C6660;
    --color-border: #E4DFD5;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 16px;
    --radius-pill: 50px;
    --shadow-card: 0 2px 8px rgba(30,61,54,0.05), 0 8px 24px rgba(30,61,54,0.06);
    --shadow-hover: 0 4px 12px rgba(30,61,54,0.08), 0 16px 32px rgba(30,61,54,0.10);
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
    --font-serif: "Noto Serif SC", "Songti SC", serif;
    --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --container-max: 1200px;
}

/* ========== Reset & Base ========== */
*, *::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);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--color-primary);
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
input, select, textarea {
    font-family: inherit;
    font-size: 14px;
    color: var(--color-text);
}
h1, h2, h3, h4, h5 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--color-text);
}
p {
    margin-bottom: 0;
}
::selection {
    background: var(--color-accent);
    color: #fff;
}

/* ========== Foundation Overrides ========== */
.grid-container {
    max-width: var(--container-max);
    padding-left: 24px;
    padding-right: 24px;
}
a, .button {
    color: inherit;
}
.button {
    background: transparent;
    border: none;
    color: inherit;
}
input[type="text"],
input[type="tel"],
input[type="email"],
select,
textarea {
    box-shadow: none !important;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    line-height: 1.2;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.02em;
    white-space: nowrap;
    border: 1px solid transparent;
}
.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #1C2623;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(180,145,106,0.35);
}
.btn-outline-light {
    background: transparent;
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}
.btn-outline-light:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-outline-primary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-outline-primary:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}
.btn-gold {
    background: var(--color-accent);
    color: #1C2623;
    border-color: var(--color-accent);
}
.btn-gold:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: #1C2623;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(180,145,106,0.35);
}

/* ========== Header / Navigation ========== */
.site-header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 94%;
    max-width: var(--container-max);
    z-index: 1000;
    border-radius: 60px;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.4);
    padding: 10px 24px;
    transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.site-header.scrolled {
    background: rgba(255,255,255,0.95);
    border-color: rgba(255,255,255,0.5);
    box-shadow: 0 4px 24px rgba(30,61,54,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.site-logo {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.site-logo::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    display: inline-block;
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    flex: 1;
    justify-content: center;
}
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    padding: 6px 0;
    position: relative;
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}
.nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}
.nav-link:hover {
    color: var(--color-primary);
}
.nav-link:hover::after {
    width: 100%;
}
.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}
.nav-link.active::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
    margin-right: 4px;
    vertical-align: middle;
}
.nav-cta {
    padding: 10px 24px;
    font-size: 14px;
    flex-shrink: 0;
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    border-radius: 50%;
    background: var(--color-bg);
    flex-shrink: 0;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========== Hero ========== */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 160px 0 0;
    overflow: hidden;
    background-color: var(--color-primary-dark);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 1;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(13,31,26,0.85) 0%, rgba(13,31,26,0.55) 55%, rgba(13,31,26,0.35) 100%);
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 3;
    padding-top: 60px;
    padding-bottom: 60px;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    letter-spacing: 0.25em;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
    text-transform: uppercase;
    font-weight: 600;
}
.hero-eyebrow::before {
    content: "";
    width: 32px;
    height: 1px;
    background: var(--color-accent);
    display: inline-block;
}
.hero h1 {
    font-size: 56px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.2;
    max-width: 720px;
}
.hero h1 .hero-divider {
    color: var(--color-accent);
}
.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    max-width: 560px;
    margin-bottom: 32px;
    font-weight: 300;
}
.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-trust {
    position: relative;
    z-index: 3;
    width: 100%;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding: 24px 0 32px;
    margin-top: 40px;
}
.trust-item {
    text-align: center;
    padding: 12px 24px;
    border-left: 1px solid rgba(255,255,255,0.2);
}
.trust-item:first-child {
    border-left: none;
}
.trust-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 4px;
}
.trust-label {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.06em;
}

/* ========== Section Common ========== */
.section-pad {
    padding: 90px 0;
}
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}
.section-head .eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-primary);
    opacity: 0.55;
    font-weight: 600;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 14px;
    letter-spacing: -0.015em;
}
.section-head p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}
.section-head.left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}
.section-head.left p {
    margin-left: 0;
}

/* ========== How It Works ========== */
.how-section {
    background: var(--color-bg);
    position: relative;
}
.steps-row {
    margin-top: 10px;
}
.step-col {
    margin-bottom: 20px;
}
.step-card {
    padding: 32px 28px;
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    height: 100%;
}
.step-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: transparent;
}
.step-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 60px;
    font-weight: 900;
    color: rgba(30,61,54,0.18);
    line-height: 1;
    margin-bottom: 20px;
    transition: color var(--transition-base), transform var(--transition-base);
}
.step-card:hover .step-num {
    color: var(--color-primary);
    transform: translateY(-4px);
}
.step-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}
.step-line {
    width: 32px;
    height: 2px;
    background: var(--color-accent);
    margin-bottom: 14px;
}
.step-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========== Cases ========== */
.cases-section {
    background: var(--color-bg-card);
}
.cases-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.case-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}
.case-card:hover {
    box-shadow: var(--shadow-hover);
}
.case-card-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 360px;
    background: var(--color-bg-card);
}
.case-card-large .case-cover {
    background-size: cover;
    background-position: center;
    min-height: 300px;
    transition: transform 0.6s ease;
    position: relative;
    overflow: hidden;
}
.case-card-large .case-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 50%, rgba(30,61,54,0.1));
    pointer-events: none;
}
.case-card-large:hover .case-cover {
    transform: scale(1.03);
}
.case-content {
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.case-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    background: rgba(30,61,54,0.08);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    width: fit-content;
}
.case-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}
.case-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}
.case-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}
.case-link::after {
    content: "→";
    transition: transform var(--transition-fast);
}
.case-link:hover {
    color: var(--color-accent);
}
.case-link:hover::after {
    transform: translateX(4px);
}
.case-cards-small {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.case-card-small {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}
.case-card-small:hover {
    box-shadow: var(--shadow-hover);
}
.case-card-small .case-cover {
    aspect-ratio: 16 / 10;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}
.case-card-small:hover .case-cover {
    transform: scale(1.03);
}
.case-card-small .case-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--color-bg);
}
.faq-container {
    max-width: 840px !important;
}
.faq-list {
    margin-top: 10px;
}
.faq-item {
    border-top: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
}
.faq-item:last-child {
    border-bottom: 1px solid var(--color-border);
}
.faq-item.active {
    border-left: 3px solid var(--color-primary);
    padding-left: 18px;
}
.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 8px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition-fast);
    font-family: var(--font-serif);
}
.faq-q:hover {
    color: var(--color-primary);
}
.faq-item.active .faq-q {
    color: var(--color-primary);
}
.faq-arrow {
    width: 12px;
    height: 12px;
    position: relative;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}
.faq-arrow::before,
.faq-arrow::after {
    content: "";
    position: absolute;
    background: var(--color-primary);
    border-radius: 1px;
}
.faq-arrow::before {
    width: 12px;
    height: 1px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}
.faq-arrow::after {
    width: 1px;
    height: 12px;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}
.faq-item.active .faq-arrow {
    transform: rotate(135deg);
}
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-a-inner {
    padding: 0 8px 22px;
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.75;
}
.faq-item.active .faq-a {
    max-height: 500px;
}

/* ========== News ========== */
.news-section {
    background: var(--color-bg-card);
}
.news-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.news-head .eyebrow {
    display: block;
    font-size: 12px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-primary);
    opacity: 0.55;
    font-weight: 600;
    margin-bottom: 8px;
}
.news-head h2 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 0;
}
.news-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    position: relative;
    padding-bottom: 4px;
}
.news-more::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}
.news-more:hover {
    color: var(--color-accent);
}
.news-more:hover::after {
    background: var(--color-accent);
}
.news-col {
    margin-bottom: 24px;
}
.news-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    height: 100%;
    overflow: hidden;
}
.news-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}
.news-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 24px;
}
.news-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: rgba(30,61,54,0.08);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 14px;
    width: fit-content;
    letter-spacing: 0.02em;
}
.news-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}
.news-card:hover .news-title {
    color: var(--color-primary);
}
.news-excerpt {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
    flex: 1;
}
.news-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--color-border);
    padding-top: 14px;
    margin-top: auto;
}
.news-time {
    font-size: 13px;
    color: var(--color-text-secondary);
}
.news-readmore {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}
.news-card:hover .news-readmore {
    color: var(--color-accent);
}
.news-empty-col {
    width: 100%;
    padding: 40px 20px;
}
.news-empty {
    text-align: center;
    padding: 56px 20px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
}
.news-empty-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
}
.news-empty-icon::before {
    content: "";
    position: absolute;
    inset: 12px;
    border-radius: 50%;
    border: 1px solid var(--color-primary);
    opacity: 0.4;
}
.news-empty-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}
.news-empty-sub {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ========== CTA ========== */
.cta-section {
    background: var(--color-primary-dark);
    position: relative;
    overflow: hidden;
    padding: 90px 0;
}
.cta-section::before,
.cta-section::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(180,145,106,0.25);
    border-radius: 50%;
    pointer-events: none;
}
.cta-section::before {
    width: 380px;
    height: 380px;
    top: -160px;
    right: -120px;
}
.cta-section::after {
    width: 220px;
    height: 220px;
    bottom: -80px;
    left: -60px;
    border-color: rgba(180,145,106,0.15);
}
.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: 38px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.015em;
}
.cta-inner > p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    line-height: 1.7;
}
.cta-form {
    text-align: left;
}
.cta-form .cell {
    margin-bottom: 16px;
}
.cta-form input,
.cta-form select {
    width: 100%;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    padding: 12px 16px;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast), background var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}
.cta-form input::placeholder {
    color: rgba(255,255,255,0.5);
}
.cta-form input:focus,
.cta-form select:focus {
    border-color: var(--color-accent);
    outline: none;
}
.cta-form select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23ffffff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}
.cta-form select option {
    color: var(--color-text);
    background: #fff;
}
.cta-form .btn-gold {
    width: 220px;
    margin-top: 8px;
}
.form-success {
    display: none;
    margin-top: 24px;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    background: rgba(180,145,106,0.12);
    border: 1px solid rgba(180,145,106,0.4);
    color: #fff;
    font-size: 15px;
    text-align: center;
}

/* ========== Footer ========== */
.site-footer {
    background: #F0EDE6;
    padding: 64px 0 32px;
    border-top: 1px solid var(--color-border);
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--color-border);
}
.footer-brand .site-logo {
    font-size: 20px;
    margin-bottom: 14px;
}
.footer-brand p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 280px;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: var(--font-sans);
    letter-spacing: 0.03em;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul a {
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}
.footer-col ul a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 24px;
    flex-wrap: wrap;
}
.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-secondary);
}
.footer-bottom-links {
    display: flex;
    gap: 24px;
}
.footer-bottom-links a {
    font-size: 13px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}
.footer-bottom-links a:hover {
    color: var(--color-primary);
}

/* ========== Animations ========== */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Responsive ========== */
@media screen and (max-width: 1024px) {
    .hero h1 {
        font-size: 46px;
    }
    .trust-num {
        font-size: 24px;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}
@media screen and (max-width: 768px) {
    .section-pad {
        padding: 64px 0;
    }
    .hero {
        min-height: auto;
        padding: 140px 0 40px;
    }
    .hero-content {
        text-align: center;
        padding-top: 30px;
        padding-bottom: 40px;
    }
    .hero-eyebrow {
        justify-content: center;
    }
    .hero-eyebrow::before {
        display: none;
    }
    .hero h1 {
        font-size: 32px;
        line-height: 1.25;
    }
    .hero-subtitle {
        font-size: 17px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .trust-item {
        border-left: none;
        padding: 8px;
    }
    .trust-num {
        font-size: 22px;
    }
    .trust-label {
        font-size: 12px;
    }
    .section-head h2 {
        font-size: 28px;
    }
    .case-card-large {
        grid-template-columns: 1fr;
    }
    .case-card-large .case-cover {
        min-height: 220px;
    }
    .case-cards-small {
        grid-template-columns: 1fr;
    }
    .case-content {
        padding: 24px;
    }
    .news-head {
        align-items: center;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
    .cta-inner h2 {
        font-size: 30px;
    }
    /* Mobile nav */
    .nav-toggle {
        display: flex;
    }
    .site-nav {
        display: none;
        position: absolute;
        top: calc(100% + 12px);
        left: 0;
        width: 100%;
        background: rgba(255,255,255,0.97);
        border-radius: 20px;
        box-shadow: 0 16px 40px rgba(30,61,54,0.12);
        padding: 20px;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }
    .site-nav.nav-open {
        display: flex;
    }
    .nav-link {
        padding: 14px 16px;
        border-radius: 10px;
        font-size: 15px;
    }
    .nav-link:hover {
        background: rgba(30,61,54,0.04);
    }
    .nav-link.active {
        background: rgba(30,61,54,0.06);
    }
    .nav-link::after {
        display: none;
    }
    .nav-link.active::before {
        display: none;
    }
    .nav-cta {
        display: none;
    }
}
@media screen and (max-width: 576px) {
    .grid-container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .hero {
        padding-top: 130px;
    }
    .hero h1 {
        font-size: 30px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    .hero-cta .btn {
        width: 100%;
    }
    .step-card {
        padding: 24px 20px;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .cta-inner h2 {
        font-size: 26px;
    }
    .cta-inner > p {
        font-size: 15px;
    }
    .cta-form .btn-gold {
        width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category1 */
:root {
            --color-primary: #1E3D36;
            --color-primary-dark: #142B26;
            --color-primary-light: #2D554D;
            --color-accent: #B4916A;
            --color-accent-light: #C9AD8B;
            --color-bg: #F6F3EE;
            --color-bg-card: #FFFFFF;
            --color-text: #1C2623;
            --color-text-secondary: #5C6660;
            --color-border: #E4DFD5;
            --radius-card: 16px;
            --radius-btn: 50px;
            --shadow-card: 0 2px 8px rgba(30, 61, 54, 0.05), 0 8px 24px rgba(30, 61, 54, 0.06);
            --shadow-card-hover: 0 4px 12px rgba(30, 61, 54, 0.08), 0 16px 32px rgba(30, 61, 54, 0.10);
            --transition-base: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            border-radius: 8px;
            border: 1px solid #D8D2C8;
            padding: 12px 16px;
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(180, 145, 106, 0.2);
        }

        input::placeholder,
        select::placeholder,
        textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        select option {
            color: #1C2623;
            background: #fff;
        }

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

        /* ==== 按钮 ==== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(180, 145, 106, 0.3);
        }

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

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

        .btn-gold {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        .btn-gold:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(180, 145, 106, 0.35);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-question:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* ==== 头部导航 ==== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: 94%;
            max-width: 1200px;
            z-index: 1000;
            border-radius: 60px;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 10px 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 20px rgba(30, 61, 54, 0.10);
        }

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

        .site-logo {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .site-logo::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            flex-shrink: 0;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

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

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
            border-radius: var(--radius-btn);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ==== 分类页 Hero ==== */
        .category-hero {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 140px 0 100px;
            background: var(--color-primary-dark);
        }

        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.55;
        }

        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 31, 26, 0.88) 0%, rgba(13, 31, 26, 0.55) 60%, rgba(13, 31, 26, 0.35) 100%);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .category-hero .hero-eyebrow {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 20px;
            font-weight: 600;
            border-left: 2px solid var(--color-accent);
            padding-left: 12px;
        }

        .category-hero h1 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 48px;
            font-weight: 900;
            line-height: 1.2;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .category-hero .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

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

        .category-hero .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .category-hero .btn-outline:hover {
            background: #fff;
            color: var(--color-primary-dark);
            border-color: #fff;
        }

        .hero-stats {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding: 22px 0;
            background: rgba(13, 31, 26, 0.45);
            backdrop-filter: blur(8px);
        }

        .hero-stats .grid-x {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
        }

        .hero-stats .hero-stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 0 24px;
            position: relative;
        }

        .hero-stats .hero-stat-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            height: 30px;
            width: 1px;
            background: rgba(255, 255, 255, 0.25);
        }

        .hero-stats strong {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 24px;
            color: #fff;
            font-weight: 700;
        }

        .hero-stats span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ==== 面包屑 ==== */
        .breadcrumb {
            background: transparent;
            padding: 110px 0 0;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .breadcrumb .grid-container {
            padding-top: 16px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }

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

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

        .breadcrumb .separator {
            margin: 0 8px;
            color: #B5BAB5;
        }

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

        /* ==== 通用板块 ==== */
        .section {
            padding: 90px 0;
        }

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

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 60px;
        }

        .section-header .section-tag-en {
            font-size: 12px;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--color-accent);
            display: block;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .section-header h2 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 34px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .section-header.left {
            text-align: left;
            margin-left: 0;
        }

        /* ==== 核心服务 ==== */
        .services-section {
            background: var(--color-bg);
            padding: 90px 0;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .service-card .service-img {
            overflow: hidden;
            height: 220px;
            position: relative;
        }

        .service-card .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .service-card:hover .service-img img {
            transform: scale(1.05);
        }

        .service-card .service-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 43, 38, 0.25), transparent 60%);
        }

        .service-card .service-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .service-index {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 28px;
            font-weight: 700;
            color: rgba(30, 61, 54, 0.25);
            line-height: 1;
            margin-bottom: 14px;
            transition: color var(--transition-base);
        }

        .service-card:hover .service-index {
            color: var(--color-primary);
        }

        .service-card h3 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card .text-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-base);
        }

        .service-card .text-link:hover {
            color: var(--color-accent);
        }

        /* ==== 适用场景 ==== */
        .scenario-section {
            background: var(--color-bg);
            padding: 80px 0 90px;
            position: relative;
        }

        .scenario-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

        .scenario-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

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

        .scenario-item .scenario-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(30, 61, 54, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 20px;
            color: var(--color-primary);
            transition: background var(--transition-base), color var(--transition-base);
        }

        .scenario-item:hover .scenario-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .scenario-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .scenario-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ==== 服务流程 ==== */
        .process-section {
            background: #fff;
            padding: 90px 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
        }

        .process-steps::before {
            content: "";
            position: absolute;
            top: 30px;
            left: 8%;
            right: 8%;
            height: 1px;
            border-top: 1px dashed var(--color-primary);
            opacity: 0.3;
        }

        .process-step {
            text-align: center;
            padding: 0 12px;
            position: relative;
            z-index: 1;
        }

        .process-step .step-num {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 56px;
            font-weight: 900;
            color: rgba(30, 61, 54, 0.15);
            line-height: 1.2;
            margin-bottom: 12px;
            transition: color var(--transition-base), transform var(--transition-base);
            display: block;
        }

        .process-step:hover .step-num {
            color: var(--color-primary);
            transform: translateY(-4px);
        }

        .process-step .step-line {
            width: 32px;
            height: 2px;
            background: var(--color-accent);
            margin: 0 auto 16px;
            border-radius: 2px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ==== 服务承诺 ==== */
        .guarantee-section {
            position: relative;
            background: var(--color-primary-dark);
            padding: 90px 0;
            overflow: hidden;
        }

        .guarantee-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .guarantee-section .grid-container {
            position: relative;
            z-index: 2;
        }

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

        .guarantee-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        .guarantee-section .section-tag-en {
            color: var(--color-accent);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 20px;
        }

        .guarantee-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            text-align: center;
            transition: background var(--transition-base), transform var(--transition-base);
        }

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

        .guarantee-item .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 1px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 18px;
            color: var(--color-accent);
        }

        .guarantee-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .guarantee-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ==== FAQ ==== */
        .faq-section {
            background: var(--color-bg);
            padding: 90px 0;
        }

        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            position: relative;
            transition: background var(--transition-base);
        }

        .faq-item.active {
            border-left: 3px solid var(--color-primary);
            background: rgba(255, 255, 255, 0.6);
        }

        .faq-item.active .faq-question {
            color: var(--color-primary);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 20px 24px 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: transparent;
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            position: relative;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-text-secondary);
            border-radius: 2px;
            transition: transform 0.3s ease, background var(--transition-base);
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 11px;
            left: 5px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 5px;
            left: 11px;
        }

        .faq-item.active .faq-icon::before {
            background: var(--color-primary);
        }

        .faq-item.active .faq-icon::after {
            transform: rotate(90deg);
            background: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer p {
            padding: 0 20px 24px 44px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ==== CTA 区块 ==== */
        .cta-section {
            background: var(--color-primary-dark);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before,
        .cta-section::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            border: 1px solid rgba(180, 145, 106, 0.25);
            pointer-events: none;
        }

        .cta-section::before {
            width: 200px;
            height: 200px;
            top: -60px;
            left: -60px;
        }

        .cta-section::after {
            width: 120px;
            height: 120px;
            bottom: -30px;
            right: -30px;
        }

        .cta-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .cta-info h2 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 440px;
        }

        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 36px;
        }

        .cta-form-wrap h3 {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .cta-form-wrap .form-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
        }

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

        .cta-form-wrap label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 6px;
        }

        .cta-form-wrap .btn-gold {
            width: 100%;
            margin-top: 8px;
        }

        .form-success {
            display: none;
            text-align: center;
            padding: 30px 0;
            color: #fff;
        }

        .form-success.show {
            display: block;
        }

        .form-success .success-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 16px;
        }

        .form-success p {
            font-size: 16px;
            margin: 0;
        }

        /* ==== 页脚 ==== */
        .site-footer {
            background: var(--color-bg);
            padding: 70px 0 32px;
            border-top: 1px solid var(--color-border);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--color-border);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 12px;
            max-width: 260px;
            line-height: 1.7;
        }

        .site-footer .site-logo {
            font-size: 18px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
        }

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

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

        .footer-col ul a {
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 28px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a {
            color: var(--color-text-secondary);
            font-size: 13px;
        }

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

        /* ==== 滚动动画 ==== */
        .fade-up {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ==== 响应式 ==== */
        @media (max-width: 1024px) {
            .scenario-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-steps::before {
                display: none;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 10px;
                width: 96%;
                padding: 8px 16px;
            }
            .site-logo {
                font-size: 16px;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 16px;
                box-shadow: 0 8px 30px rgba(30, 61, 54, 0.12);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav .nav-link {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 15px;
            }
            .site-nav .nav-link:hover,
            .site-nav .nav-link.active {
                background: rgba(30, 61, 54, 0.06);
            }
            .site-nav .nav-link.active::after {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-hero {
                min-height: auto;
                padding: 130px 0 100px;
            }
            .category-hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .category-hero .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                position: relative;
                margin-top: 40px;
            }
            .hero-stats .grid-x {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            .hero-stats .hero-stat-item::after {
                display: none;
            }
            .section {
                padding: 60px 0;
            }
            .section-alt {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .service-card .service-img {
                height: 180px;
            }
            .scenario-wrap {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .process-step {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
                padding: 0;
            }
            .process-step .step-num {
                font-size: 40px;
                margin-bottom: 0;
                min-width: 48px;
                text-align: center;
            }
            .process-step .step-line {
                display: none;
            }
            .process-step .step-content {
                flex: 1;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .cta-wrap {
                grid-template-columns: 1fr;
            }
            .cta-info h2 {
                font-size: 28px;
            }
            .cta-form-wrap {
                padding: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .breadcrumb {
                padding-top: 90px;
            }
        }

        @media (max-width: 576px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header p {
                font-size: 14px;
            }
            .services-section .service-card .service-img {
                height: 160px;
            }
            .service-card .service-body {
                padding: 20px;
            }
            .cta-form-wrap .btn-gold {
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
        --color-primary: #1E3D36;
        --color-primary-dark: #142B26;
        --color-primary-light: #2D554D;
        --color-accent: #B4916A;
        --color-accent-light: #C9AD8B;
        --color-bg: #F6F3EE;
        --color-bg-card: #FFFFFF;
        --color-text: #1C2623;
        --color-text-secondary: #5C6660;
        --color-border: #E4DFD5;
        --radius-lg: 14px;
        --radius-md: 8px;
        --radius-sm: 6px;
        --radius-pill: 50px;
        --shadow-sm: 0 2px 8px rgba(30, 61, 54, 0.05), 0 8px 24px rgba(30, 61, 54, 0.06);
        --shadow-lg: 0 4px 12px rgba(30, 61, 54, 0.08), 0 16px 32px rgba(30, 61, 54, 0.10);
        --transition-base: 0.3s ease;
        --spacing-section: 96px;
        --font-display: "Noto Serif SC", "Songti SC", serif;
        --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }

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

    html {
        font-size: 16px;
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.7;
        color: var(--color-text);
        background-color: var(--color-bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

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

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

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

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: var(--font-display);
        color: var(--color-text);
        font-weight: 700;
        line-height: 1.3;
    }

    .grid-container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .section-padding {
        padding-top: var(--spacing-section);
        padding-bottom: var(--spacing-section);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 32px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        border-radius: var(--radius-pill);
        border: 1px solid transparent;
        cursor: pointer;
        transition: all 0.25s ease;
        text-decoration: none;
        font-family: var(--font-body);
        letter-spacing: 0.01em;
    }

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

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

    .btn-primary:hover {
        background-color: var(--color-accent);
        color: var(--color-primary-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

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

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

    .btn-gold {
        background-color: var(--color-accent);
        color: var(--color-primary-dark);
        border-color: var(--color-accent);
    }

    .btn-gold:hover {
        background-color: var(--color-accent-light);
        border-color: var(--color-accent-light);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(180, 145, 106, 0.35);
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: fixed;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
        width: 94%;
        max-width: 1200px;
        z-index: 100;
        border-radius: 60px;
        background: rgba(255, 255, 255, 0.72);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        box-shadow: 0 2px 12px rgba(30, 61, 54, 0.06);
        transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }

    .site-header.scrolled {
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 4px 20px rgba(30, 61, 54, 0.12);
        border-color: rgba(255, 255, 255, 0.6);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 24px;
        gap: 12px;
    }

    .site-logo {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 900;
        color: var(--color-primary);
        text-decoration: none;
        letter-spacing: -0.01em;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .site-logo::before {
        content: '';
        width: 8px;
        height: 8px;
        border-radius: 2px;
        background: var(--color-accent);
        display: inline-block;
    }

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

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

    .nav-link {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-text);
        text-decoration: none;
        position: relative;
        padding: 6px 2px;
        transition: color 0.25s ease;
        white-space: nowrap;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 1px;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }

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

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

    .nav-link.active {
        color: var(--color-primary);
        font-weight: 600;
    }

    .nav-link.active::before {
        content: '';
        position: absolute;
        top: -3px;
        left: 50%;
        transform: translateX(-50%);
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--color-accent);
    }

    .nav-cta {
        padding: 10px 24px;
        font-size: 14px;
        flex-shrink: 0;
    }

    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        cursor: pointer;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        padding: 8px;
        border-radius: 50%;
        transition: background 0.25s ease;
    }

    .nav-toggle:hover {
        background: rgba(30, 61, 54, 0.06);
    }

    .nav-toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== Breadcrumb ===== */
    .article-main {
        padding-top: 140px;
        padding-bottom: 80px;
        background: var(--color-bg);
    }

    .article-breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-secondary);
        margin-bottom: 32px;
        line-height: 1.4;
    }

    .article-breadcrumb a {
        color: var(--color-text-secondary);
        text-decoration: none;
        transition: color 0.25s ease;
    }

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

    .breadcrumb-sep {
        color: #B5B0A6;
        font-size: 12px;
    }

    .breadcrumb-current {
        color: var(--color-text);
        font-weight: 500;
        max-width: 360px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .breadcrumb-category {
        color: var(--color-primary);
        font-weight: 500;
    }

    /* ===== Article Card ===== */
    .article-card {
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        padding: 48px 56px 56px;
        max-width: 860px;
        margin: 0 auto;
        position: relative;
        border: 1px solid rgba(228, 223, 213, 0.5);
    }

    .article-header {
        margin-bottom: 40px;
        padding-bottom: 32px;
        border-bottom: 1px solid var(--color-border);
        position: relative;
    }

    .article-category {
        display: inline-block;
        background: rgba(30, 61, 54, 0.08);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: var(--radius-sm);
        letter-spacing: 0.02em;
        margin-bottom: 20px;
    }

    .article-header h1 {
        font-size: 38px;
        font-weight: 900;
        line-height: 1.3;
        letter-spacing: -0.01em;
        margin-bottom: 20px;
        color: var(--color-text);
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        font-size: 14px;
        color: var(--color-text-secondary);
    }

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

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

    .meta-divider {
        color: #C8C2B8;
    }

    /* ===== Article Body ===== */
    .article-body {
        font-size: 17px;
        line-height: 1.85;
        color: var(--color-text);
        max-width: 760px;
        margin: 0 auto;
    }

    .article-body p {
        margin-bottom: 24px;
    }

    .article-body h2 {
        font-size: 28px;
        font-weight: 700;
        margin: 48px 0 16px;
        color: var(--color-text);
        letter-spacing: -0.01em;
    }

    .article-body h3 {
        font-size: 22px;
        font-weight: 600;
        margin: 32px 0 12px;
        color: var(--color-text);
    }

    .article-body h4 {
        font-size: 18px;
        font-weight: 600;
        margin: 24px 0 10px;
    }

    .article-body blockquote {
        border-left: 3px solid var(--color-primary);
        background: #F0EBE2;
        padding: 20px 24px;
        margin: 24px 0;
        font-size: 15px;
        color: var(--color-text-secondary);
        border-radius: 0 10px 10px 0;
        line-height: 1.7;
    }

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

    .article-body img {
        border-radius: 12px;
        max-width: 100%;
        height: auto;
        margin: 28px 0;
        box-shadow: var(--shadow-sm);
    }

    .article-body figure {
        margin: 28px 0;
    }

    .article-body figcaption {
        text-align: center;
        font-size: 13px;
        color: var(--color-text-secondary);
        padding: 8px 0 0;
    }

    .article-body ul,
    .article-body ol {
        margin: 16px 0 24px;
        padding-left: 8px;
    }

    .article-body ul li {
        list-style: none;
        position: relative;
        padding-left: 20px;
        margin-bottom: 8px;
    }

    .article-body ul li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 11px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--color-primary);
    }

    .article-body ol {
        counter-reset: article-ol;
    }

    .article-body ol li {
        list-style: none;
        counter-increment: article-ol;
        position: relative;
        padding-left: 20px;
        margin-bottom: 8px;
    }

    .article-body ol li::before {
        content: counter(article-ol) '.';
        position: absolute;
        left: 0;
        color: var(--color-primary);
        font-weight: 700;
        font-family: var(--font-display);
    }

    .article-body a {
        color: var(--color-primary);
        text-decoration: underline;
        text-decoration-color: rgba(30, 61, 54, 0.3);
        text-underline-offset: 4px;
        transition: text-decoration-color 0.25s ease;
    }

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

    .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 15px;
    }

    .article-body th {
        background: rgba(30, 61, 54, 0.06);
        color: var(--color-primary-dark);
        font-weight: 600;
        padding: 12px 16px;
        text-align: left;
        border-bottom: 2px solid var(--color-border);
    }

    .article-body td {
        padding: 10px 16px;
        border-bottom: 1px solid var(--color-border);
    }

    .article-body code {
        background: #F0EBE2;
        border-radius: 6px;
        padding: 2px 8px;
        font-size: 14px;
        font-family: "SF Mono", "Consolas", monospace;
        color: var(--color-primary-dark);
    }

    .article-body pre {
        background: var(--color-primary-dark);
        padding: 20px 24px;
        border-radius: 10px;
        overflow-x: auto;
        margin: 24px 0;
    }

    .article-body pre code {
        background: transparent;
        color: #E8E4DA;
        padding: 0;
        font-size: 14px;
        line-height: 1.6;
    }

    /* ===== Not Found ===== */
    .not-found-box {
        text-align: center;
        padding: 48px 0 24px;
    }

    .not-found-box p {
        font-size: 20px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 24px;
    }

    /* ===== Article Bottom ===== */
    .article-bottom {
        border-top: 1px solid var(--color-border);
        margin-top: 48px;
        padding-top: 32px;
        max-width: 760px;
        margin-left: auto;
        margin-right: auto;
    }

    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 28px;
    }

    .tag-badge {
        display: inline-block;
        background: rgba(30, 61, 54, 0.06);
        color: var(--color-primary-light);
        font-size: 13px;
        font-weight: 500;
        padding: 5px 14px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(30, 61, 54, 0.08);
        transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
    }

    .tag-badge:hover {
        background: var(--color-primary);
        color: #FFFFFF;
        border-color: var(--color-primary);
    }

    .article-links {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
    }

    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 500;
        color: var(--color-primary);
        text-decoration: none;
        transition: color 0.25s ease, transform 0.25s ease;
    }

    .text-link:hover {
        color: var(--color-accent);
        transform: translateX(-2px);
    }

    .text-link:last-child:hover {
        transform: translateX(2px);
    }

    /* ===== Related Section ===== */
    .related-section {
        background: var(--color-bg);
        padding: 80px 0;
        border-top: 1px solid var(--color-border);
    }

    .related-head {
        margin-bottom: 40px;
        text-align: left;
    }

    .section-overline {
        display: block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--color-primary);
        opacity: 0.5;
        margin-bottom: 8px;
    }

    .related-head h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--color-text);
        letter-spacing: -0.01em;
        margin-bottom: 12px;
    }

    .related-head p {
        font-size: 14px;
        color: var(--color-text-secondary);
        max-width: 480px;
    }

    .related-card {
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid rgba(228, 223, 213, 0.5);
        transition: box-shadow 0.35s ease, transform 0.35s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
        text-decoration: none;
        color: var(--color-text);
        margin-bottom: 20px;
    }

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

    .related-card .card-img {
        position: relative;
        overflow: hidden;
        height: 180px;
    }

    .related-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
    }

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

    .related-card .card-body {
        padding: 20px 24px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .related-card .card-tag {
        font-size: 12px;
        font-weight: 600;
        color: var(--color-primary-light);
        background: rgba(30, 61, 54, 0.06);
        padding: 3px 10px;
        border-radius: var(--radius-sm);
        display: inline-block;
        align-self: flex-start;
        margin-bottom: 10px;
    }

    .related-card h3 {
        font-size: 18px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 8px;
        color: var(--color-text);
        font-family: var(--font-display);
        letter-spacing: -0.01em;
        transition: color 0.25s ease;
    }

    .related-card:hover h3 {
        color: var(--color-primary);
    }

    .related-card p {
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.6;
        margin-bottom: 0;
        flex: 1;
    }

    /* ===== CTA Band ===== */
    .cta-band {
        position: relative;
        background: linear-gradient(rgba(20, 43, 38, 0.88), rgba(20, 43, 38, 0.92)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        padding: 80px 0;
        text-align: center;
        overflow: hidden;
    }

    .cta-band::before {
        content: '';
        position: absolute;
        right: -60px;
        top: -60px;
        width: 180px;
        height: 180px;
        border: 1px solid rgba(180, 145, 106, 0.4);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-band::after {
        content: '';
        position: absolute;
        left: -40px;
        bottom: -40px;
        width: 120px;
        height: 120px;
        border: 1px solid rgba(180, 145, 106, 0.25);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-content {
        position: relative;
        z-index: 2;
        max-width: 640px;
        margin: 0 auto;
    }

    .cta-content h2 {
        font-size: 36px;
        color: #FFFFFF;
        margin-bottom: 16px;
        font-weight: 700;
        letter-spacing: -0.01em;
    }

    .cta-content p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.7);
        line-height: 1.7;
        margin-bottom: 32px;
    }

    .cta-content .btn-gold {
        min-width: 200px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--color-bg);
        border-top: 1px solid var(--color-border);
        padding: 64px 0 32px;
    }

    .footer-top {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        padding-bottom: 48px;
        border-bottom: 1px solid var(--color-border);
    }

    .footer-brand {
        flex: 1 1 280px;
        max-width: 340px;
    }

    .footer-brand .site-logo {
        font-size: 22px;
        margin-bottom: 16px;
        display: inline-flex;
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.6;
        margin-top: 12px;
        max-width: 280px;
    }

    .footer-col {
        flex: 1 1 160px;
        min-width: 130px;
    }

    .footer-col h4 {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 20px;
        font-family: var(--font-body);
    }

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

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

    .footer-col ul li a {
        font-size: 14px;
        color: var(--color-text-secondary);
        text-decoration: none;
        transition: color 0.25s ease;
        position: relative;
        padding-bottom: 2px;
    }

    .footer-col ul li a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 1px;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }

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

    .footer-col ul li a:hover::after {
        width: 100%;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        padding-top: 28px;
    }

    .footer-bottom p {
        font-size: 13px;
        color: var(--color-text-secondary);
        margin: 0;
    }

    .footer-bottom-links {
        display: flex;
        align-items: center;
        gap: 24px;
    }

    .footer-bottom-links a {
        font-size: 13px;
        color: var(--color-text-secondary);
        text-decoration: none;
        transition: color 0.25s ease;
    }

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

    /* ===== Reveal ===== */
    .reveal {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
        :root {
            --spacing-section: 72px;
        }

        .site-nav {
            gap: 18px;
        }

        .nav-link {
            font-size: 14px;
        }

        .nav-cta {
            padding: 10px 20px;
            font-size: 13px;
        }

        .article-card {
            padding: 40px 36px 48px;
        }
    }

    @media screen and (max-width: 768px) {
        :root {
            --spacing-section: 56px;
        }

        .site-header {
            top: 10px;
            width: 92%;
        }

        .header-inner {
            padding: 8px 16px;
        }

        .site-logo {
            font-size: 16px;
        }

        .nav-cta {
            display: none;
        }

        .nav-toggle {
            display: flex;
        }

        .site-nav {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 20px;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            padding: 12px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

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

        .site-nav .nav-link {
            padding: 14px 16px;
            font-size: 15px;
            border-radius: 12px;
            display: block;
        }

        .site-nav .nav-link.active::before {
            display: none;
        }

        .site-nav .nav-link.active {
            background: rgba(30, 61, 54, 0.06);
        }

        .site-nav .nav-link:hover {
            background: rgba(30, 61, 54, 0.04);
        }

        .article-main {
            padding-top: 110px;
            padding-bottom: 56px;
        }

        .article-card {
            padding: 28px 20px 36px;
            border-radius: 12px;
        }

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

        .article-body {
            font-size: 16px;
            line-height: 1.8;
        }

        .article-body h2 {
            font-size: 23px;
            margin-top: 36px;
        }

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

        .related-head h2 {
            font-size: 26px;
        }

        .cta-content h2 {
            font-size: 28px;
        }

        .footer-top {
            gap: 28px;
        }

        .footer-col {
            flex: 1 1 40%;
            min-width: 130px;
        }
    }

    @media screen and (max-width: 576px) {
        .header-inner {
            padding: 6px 12px;
        }

        .site-logo {
            font-size: 15px;
        }

        .site-logo::before {
            width: 6px;
            height: 6px;
        }

        .article-breadcrumb {
            font-size: 12px;
            gap: 6px;
        }

        .breadcrumb-current {
            max-width: 180px;
        }

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

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

        .article-card {
            padding: 24px 16px 28px;
        }

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

        .related-card h3 {
            font-size: 16px;
        }

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

        .cta-band {
            padding: 56px 0;
        }

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

        .cta-content p {
            font-size: 15px;
        }

        .footer-top {
            flex-direction: column;
            gap: 24px;
        }

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

        .footer-col {
            flex: 1 1 100%;
            min-width: 100%;
        }

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

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
        }

        html {
            scroll-behavior: auto;
        }
    }

/* roulang page: category2 */
:root {
        --color-primary: #1E3D36;
        --color-primary-dark: #142B26;
        --color-primary-light: #2D554D;
        --color-accent: #B4916A;
        --color-accent-light: #C9AD8B;
        --color-bg: #F6F3EE;
        --color-bg-card: #FFFFFF;
        --color-text: #1C2623;
        --color-text-secondary: #5C6660;
        --color-border: #E4DFD5;
        --radius-card: 14px;
        --radius-btn: 50px;
        --shadow-card: 0 2px 8px rgba(30,61,54,0.05), 0 8px 24px rgba(30,61,54,0.06);
        --shadow-hover: 0 4px 12px rgba(30,61,54,0.08), 0 16px 32px rgba(30,61,54,0.10);
        --transition-base: 0.3s ease;
    }

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

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

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

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

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

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

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

    .grid-container {
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }

    @media screen and (max-width: 639px) {
        .grid-container {
            padding-left: 20px;
            padding-right: 20px;
        }
    }

    h1, h2, h3, h4, h5 {
        font-family: "Noto Serif SC", "Songti SC", serif;
        line-height: 1.3;
        color: var(--color-text);
    }

    /* ---------- Header ---------- */
    .site-header {
        position: fixed;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
        width: 94%;
        max-width: 1200px;
        z-index: 1000;
        border-radius: 60px;
        background: rgba(255, 255, 255, 0.72);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        box-shadow: 0 4px 24px rgba(30, 61, 54, 0.08);
        transition: background var(--transition-base), box-shadow var(--transition-base);
    }

    .site-header.scrolled {
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 6px 28px rgba(30, 61, 54, 0.12);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 24px;
        min-height: 62px;
    }

    .site-logo {
        font-size: 19px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: -0.01em;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .site-logo::before {
        content: "";
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--color-accent);
        display: inline-block;
        flex-shrink: 0;
    }

    .site-nav {
        display: flex;
        align-items: center;
        gap: 28px;
        margin-left: 24px;
    }

    .nav-link {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-text);
        position: relative;
        padding: 6px 2px;
        line-height: 1.4;
        white-space: nowrap;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }

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

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

    .nav-link.active {
        color: var(--color-primary);
        font-weight: 600;
    }

    .nav-link.active .nav-dot {
        display: inline-block;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--color-accent);
        margin-right: 6px;
        vertical-align: middle;
    }

    .nav-cta {
        margin-left: 8px;
        flex-shrink: 0;
    }

    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        background: transparent;
        border: 1px solid var(--color-border);
    }

    .nav-toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

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

    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    @media screen and (max-width: 1023px) {
        .site-nav {
            display: none;
            position: absolute;
            top: calc(100% + 10px);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            padding: 12px;
            margin-left: 0;
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

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

        .nav-link {
            display: block;
            padding: 14px 18px;
            font-size: 16px;
            border-radius: 12px;
            white-space: normal;
        }

        .nav-link:hover {
            background: rgba(30, 61, 54, 0.05);
        }

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

        .nav-link.active {
            background: rgba(30, 61, 54, 0.08);
        }

        .nav-toggle {
            display: flex;
        }

        .nav-cta {
            display: none;
        }
    }

    /* ---------- Buttons ---------- */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 32px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        line-height: 1.2;
        transition: all var(--transition-base);
        border: 1px solid transparent;
        cursor: pointer;
        text-align: center;
    }

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

    .btn-primary:hover {
        background: var(--color-accent);
        color: var(--color-text);
        border-color: var(--color-accent);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(30, 61, 54, 0.2);
    }

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

    .btn-outline:hover {
        background: var(--color-primary);
        border-color: var(--color-primary);
        color: #fff;
        transform: translateY(-2px);
    }

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

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

    .btn-gold {
        background: var(--color-accent);
        color: var(--color-text);
        border-color: var(--color-accent);
    }

    .btn-gold:hover {
        background: var(--color-accent-light);
        border-color: var(--color-accent-light);
        color: var(--color-text);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(180, 145, 106, 0.3);
    }

    .btn:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 3px;
    }

    /* ---------- Breadcrumb ---------- */
    .breadcrumb-wrap {
        padding: 110px 0 0;
        background: var(--color-bg);
    }

    .breadcrumb {
        font-size: 13px;
        color: var(--color-text-secondary);
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
    }

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

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

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

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

    /* ---------- Hero ---------- */
    .category-hero {
        position: relative;
        min-height: 520px;
        display: flex;
        align-items: center;
        padding: 140px 0 80px;
        background: linear-gradient(100deg, rgba(13, 31, 26, 0.88) 0%, rgba(13, 31, 26, 0.55) 60%, rgba(13, 31, 26, 0.35) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        color: #fff;
    }

    .category-hero-content {
        max-width: 680px;
    }

    .category-hero .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(180, 145, 106, 0.18);
        border: 1px solid rgba(180, 145, 106, 0.4);
        color: var(--color-accent-light);
        font-size: 13px;
        font-weight: 500;
        letter-spacing: 0.06em;
        padding: 6px 16px;
        border-radius: 40px;
        margin-bottom: 24px;
    }

    .category-hero h1 {
        font-size: 52px;
        font-weight: 900;
        color: #fff;
        line-height: 1.25;
        letter-spacing: -0.02em;
        margin-bottom: 20px;
    }

    .category-hero p {
        font-size: 20px;
        line-height: 1.6;
        color: rgba(255, 255, 255, 0.75);
        max-width: 560px;
        margin-bottom: 32px;
    }

    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 48px;
    }

    .hero-metrics {
        display: flex;
        flex-wrap: wrap;
        gap: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        padding-top: 28px;
    }

    .hero-metric {
        padding: 0 32px;
        text-align: left;
        position: relative;
    }

    .hero-metric:first-child {
        padding-left: 0;
    }

    .hero-metric:not(:first-child)::before {
        content: "";
        position: absolute;
        left: 0;
        top: 6px;
        width: 1px;
        height: 36px;
        background: rgba(255, 255, 255, 0.25);
    }

    .hero-metric strong {
        display: block;
        font-family: "Noto Serif SC", serif;
        font-size: 28px;
        font-weight: 700;
        color: #fff;
        line-height: 1.2;
    }

    .hero-metric span {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        display: block;
        margin-top: 4px;
    }

    @media screen and (max-width: 767px) {
        .category-hero {
            min-height: 480px;
            padding: 120px 0 56px;
            background: linear-gradient(160deg, rgba(13, 31, 26, 0.88) 0%, rgba(13, 31, 26, 0.55) 70%, rgba(13, 31, 26, 0.4) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .category-hero h1 {
            font-size: 34px;
        }

        .category-hero p {
            font-size: 16px;
        }

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

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

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

        .hero-metric {
            padding: 0;
        }

        .hero-metric:not(:first-child)::before {
            display: none;
        }
    }

    /* ---------- Section Layout ---------- */
    .section {
        padding: 88px 0;
    }

    .section-alt {
        background: #fff;
    }

    .section-head {
        margin-bottom: 52px;
        max-width: 720px;
    }

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

    .section-eyebrow {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--color-accent);
        margin-bottom: 14px;
    }

    .section-head h2 {
        font-size: 36px;
        font-weight: 700;
        color: var(--color-text);
        margin-bottom: 16px;
        letter-spacing: -0.015em;
    }

    .section-head p {
        font-size: 15px;
        color: var(--color-text-secondary);
        max-width: 620px;
        line-height: 1.7;
    }

    @media screen and (max-width: 767px) {
        .section {
            padding: 56px 0;
        }

        .section-head h2 {
            font-size: 27px;
        }
    }

    /* ---------- Service Feature Split ---------- */
    .service-feature {
        margin-bottom: 56px;
    }

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

    .service-feature-card {
        background: var(--color-bg-card);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border);
        display: flex;
        min-height: 340px;
        transition: box-shadow var(--transition-base);
    }

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

    .service-feature-image {
        flex: 0 0 50%;
        position: relative;
        overflow: hidden;
        min-height: 280px;
    }

    .service-feature-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
    }

    .service-feature-card:hover .service-feature-image img {
        transform: scale(1.03);
    }

    .service-feature-body {
        flex: 1;
        padding: 44px 48px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .service-feature-body .tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.05em;
        color: var(--color-primary);
        background: rgba(30, 61, 54, 0.08);
        padding: 4px 12px;
        border-radius: 6px;
        margin-bottom: 16px;
        align-self: flex-start;
    }

    .service-feature-body h3 {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 14px;
        color: var(--color-text);
    }

    .service-feature-body p {
        font-size: 15px;
        line-height: 1.7;
        color: var(--color-text-secondary);
        margin-bottom: 20px;
    }

    .feature-list {
        list-style: none;
        padding: 0;
        margin: 0 0 24px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px 20px;
    }

    .feature-list li {
        font-size: 14px;
        color: var(--color-text);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .feature-list li::before {
        content: "";
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--color-accent);
        flex-shrink: 0;
    }

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

    .feature-link::after {
        content: "";
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }

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

    @media screen and (max-width: 767px) {
        .service-feature-card {
            flex-direction: column;
        }

        .service-feature-image {
            min-height: 200px;
        }

        .service-feature-body {
            padding: 28px 24px;
        }

        .feature-list {
            grid-template-columns: 1fr;
        }
    }

    /* ---------- Process Steps ---------- */
    .process-section {
        background: var(--color-primary-dark);
        color: #fff;
    }

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

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

    .process-section .section-eyebrow {
        color: var(--color-accent);
    }

    .process-grid {
        display: flex;
        gap: 32px;
        position: relative;
    }

    .process-step {
        flex: 1;
        padding: 32px 28px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-card);
        transition: background var(--transition-base), transform var(--transition-base);
        position: relative;
    }

    .process-step:hover {
        background: rgba(255, 255, 255, 0.07);
        transform: translateY(-4px);
    }

    .process-step .step-num {
        font-family: "Noto Serif SC", serif;
        font-size: 56px;
        font-weight: 700;
        line-height: 1;
        color: rgba(255, 255, 255, 0.2);
        margin-bottom: 20px;
        transition: color 0.4s ease;
    }

    .process-step:hover .step-num {
        color: var(--color-accent);
    }

    .process-step .step-line {
        width: 32px;
        height: 2px;
        background: var(--color-accent);
        margin-bottom: 18px;
    }

    .process-step h3 {
        font-size: 19px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }

    .process-step p {
        font-size: 14px;
        line-height: 1.65;
        color: rgba(255, 255, 255, 0.6);
    }

    @media screen and (max-width: 1023px) {
        .process-grid {
            flex-wrap: wrap;
            gap: 20px;
        }

        .process-step {
            flex: 1 1 calc(50% - 20px);
            min-width: 240px;
        }
    }

    @media screen and (max-width: 639px) {
        .process-step {
            flex: 1 1 100%;
        }
    }

    /* ---------- Scenario Cards ---------- */
    .scenario-grid {
        display: flex;
        gap: 28px;
    }

    .scenario-card {
        flex: 1;
        background: var(--color-bg-card);
        border-radius: var(--radius-card);
        padding: 36px 32px;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-card);
        transition: box-shadow var(--transition-base), transform var(--transition-base);
        position: relative;
        overflow: hidden;
    }

    .scenario-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 3px;
        height: 0;
        background: var(--color-accent);
        transition: height 0.4s ease;
    }

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

    .scenario-card:hover::before {
        height: 100%;
    }

    .scenario-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: rgba(30, 61, 54, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        color: var(--color-primary);
        font-size: 20px;
    }

    .scenario-card:nth-child(2) .scenario-icon {
        background: rgba(180, 145, 106, 0.15);
        color: var(--color-accent);
    }

    .scenario-card h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--color-text);
        margin-bottom: 12px;
    }

    .scenario-card p {
        font-size: 14px;
        line-height: 1.7;
        color: var(--color-text-secondary);
        margin-bottom: 18px;
    }

    .scenario-card ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .scenario-card ul li {
        font-size: 13px;
        color: var(--color-text-secondary);
        padding: 5px 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .scenario-card ul li::before {
        content: "\f105";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        font-size: 12px;
        color: var(--color-accent);
    }

    @media screen and (max-width: 1023px) {
        .scenario-grid {
            flex-wrap: wrap;
        }

        .scenario-card {
            flex: 1 1 calc(50% - 14px);
        }
    }

    @media screen and (max-width: 639px) {
        .scenario-card {
            flex: 1 1 100%;
        }
    }

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

    .faq-container {
        max-width: 840px;
        margin: 0 auto;
    }

    .faq-item {
        border-top: 1px solid var(--color-border);
        padding: 24px 0;
        position: relative;
        transition: padding-left 0.3s ease;
    }

    .faq-item:last-child {
        border-bottom: 1px solid var(--color-border);
    }

    .faq-item.open {
        padding-left: 18px;
    }

    .faq-item.open::before {
        content: "";
        position: absolute;
        left: 0;
        top: 24px;
        bottom: 24px;
        width: 3px;
        background: var(--color-primary);
        border-radius: 2px;
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        text-align: left;
        background: none;
        border: none;
        padding: 4px 0;
        cursor: pointer;
        font-size: 17px;
        font-weight: 600;
        color: var(--color-text);
        transition: color var(--transition-base);
    }

    .faq-question:hover {
        color: var(--color-primary);
    }

    .faq-item.open .faq-question {
        color: var(--color-primary);
    }

    .faq-icon {
        position: relative;
        width: 24px;
        height: 24px;
        flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        background: var(--color-text-secondary);
        border-radius: 2px;
        transition: all 0.4s ease;
    }

    .faq-icon::before {
        width: 14px;
        height: 2px;
        top: 11px;
        left: 5px;
    }

    .faq-icon::after {
        width: 2px;
        height: 14px;
        top: 5px;
        left: 11px;
    }

    .faq-item.open .faq-icon::after {
        transform: rotate(90deg);
        opacity: 0;
    }

    .faq-item.open .faq-icon::before {
        background: var(--color-accent);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        font-size: 15px;
        line-height: 1.7;
        color: var(--color-text-secondary);
    }

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

    .faq-item.open .faq-answer {
        max-height: 300px;
    }

    @media screen and (max-width: 639px) {
        .faq-question {
            font-size: 16px;
        }

        .faq-item.open {
            padding-left: 12px;
        }
    }

    /* ---------- CTA ---------- */
    .cta-section {
        position: relative;
        background: var(--color-primary-dark);
        padding: 88px 0;
        overflow: hidden;
        color: #fff;
    }

    .cta-section::before,
    .cta-section::after {
        content: "";
        position: absolute;
        border-radius: 50%;
        border: 1px solid rgba(180, 145, 106, 0.3);
        pointer-events: none;
    }

    .cta-section::before {
        width: 280px;
        height: 280px;
        top: -120px;
        right: -60px;
    }

    .cta-section::after {
        width: 160px;
        height: 160px;
        bottom: -60px;
        left: 8%;
    }

    .cta-inner {
        position: relative;
        z-index: 1;
        max-width: 760px;
        margin: 0 auto;
        text-align: center;
    }

    .cta-inner h2 {
        font-size: 38px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 18px;
        letter-spacing: -0.015em;
    }

    .cta-inner > p {
        font-size: 16px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 40px;
    }

    .cta-form {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        text-align: left;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .form-group label {
        font-size: 13px;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.8);
    }

    .form-group input,
    .form-group select {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 8px;
        padding: 14px 16px;
        color: #fff;
        font-size: 15px;
        transition: border-color var(--transition-base), background var(--transition-base);
        width: 100%;
        appearance: none;
        -webkit-appearance: none;
    }

    .form-group input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }

    .form-group select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='rgba(255,255,255,0.6)' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 16px center;
        cursor: pointer;
    }

    .form-group select option {
        color: var(--color-text);
        background: #fff;
    }

    .form-group input:focus,
    .form-group select:focus {
        outline: none;
        border-color: var(--color-accent);
        background: rgba(255, 255, 255, 0.1);
    }

    .form-group-full {
        grid-column: 1 / -1;
    }

    .form-submit {
        grid-column: 1 / -1;
        display: flex;
        justify-content: center;
        margin-top: 8px;
    }

    .form-submit .btn {
        min-width: 220px;
    }

    .form-success {
        display: none;
        background: rgba(30, 61, 54, 0.6);
        border: 1px solid rgba(180, 145, 106, 0.4);
        border-radius: 14px;
        padding: 40px 32px;
        text-align: center;
        margin-top: 24px;
    }

    .form-success.show {
        display: block;
    }

    .form-success i {
        font-size: 36px;
        color: var(--color-accent);
        margin-bottom: 16px;
        display: block;
    }

    .form-success p {
        font-size: 17px;
        color: #fff;
    }

    @media screen and (max-width: 767px) {
        .cta-section {
            padding: 56px 0;
        }

        .cta-inner h2 {
            font-size: 28px;
        }

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

        .form-submit {
            grid-column: 1;
        }
    }

    /* ---------- Footer ---------- */
    .site-footer {
        background: var(--color-bg);
        border-top: 1px solid var(--color-border);
        padding: 60px 0 0;
    }

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

    .footer-brand .site-logo {
        font-size: 20px;
        margin-bottom: 14px;
        display: inline-flex;
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.7;
        max-width: 260px;
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
        color: var(--color-text);
    }

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

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

    .footer-col ul li a {
        font-size: 14px;
        color: var(--color-text-secondary);
        position: relative;
        display: inline-block;
    }

    .footer-col ul li a::after {
        content: "";
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }

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

    .footer-col ul li a:hover::after {
        width: 100%;
    }

    .footer-bottom {
        border-top: 1px solid var(--color-border);
        padding: 22px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .footer-bottom p {
        font-size: 13px;
        color: var(--color-text-secondary);
    }

    .footer-bottom-links {
        display: flex;
        gap: 20px;
    }

    .footer-bottom-links a {
        font-size: 13px;
        color: var(--color-text-secondary);
    }

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

    @media screen and (max-width: 1023px) {
        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }

    @media screen and (max-width: 639px) {
        .footer-top {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }

    /* ---------- Reveal Animation ---------- */
    .reveal {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
        .reveal {
            opacity: 1;
            transform: none;
            transition: none;
        }

        * {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
        }
    }

    /* ---------- Additional Utilities ---------- */
    .text-muted {
        color: var(--color-text-secondary);
    }
    .mb-0 { margin-bottom: 0; }
    .mt-1 { margin-top: 8px; }

/* roulang page: category3 */
:root {
            --color-primary: #1E3D36;
            --color-primary-dark: #142B26;
            --color-primary-light: #2D554D;
            --color-accent: #B4916A;
            --color-accent-light: #C9AD8B;
            --color-bg: #F6F3EE;
            --color-bg-card: #FFFFFF;
            --color-text: #1C2623;
            --color-text-secondary: #5C6660;
            --color-border: #E4DFD5;
            --radius-card: 14px;
            --radius-btn: 50px;
            --radius-badge: 6px;
            --shadow-card: 0 2px 8px rgba(30, 61, 54, 0.05), 0 8px 24px rgba(30, 61, 54, 0.06);
            --shadow-hover: 0 4px 12px rgba(30, 61, 54, 0.08), 0 16px 32px rgba(30, 61, 54, 0.10);
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .grid-container {
            max-width: 1200px;
        }

        /* ---------- 导航 ---------- */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: 94%;
            max-width: 1200px;
            z-index: 1000;
            border-radius: 60px;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 10px 24px;
            box-shadow: 0 2px 12px rgba(30, 61, 54, 0.06);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 20px rgba(30, 61, 54, 0.10);
        }

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

        .site-logo {
            font-weight: 900;
            font-size: 18px;
            font-family: var(--font-serif);
            color: var(--color-primary);
            letter-spacing: -0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .site-logo::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            position: relative;
            padding: 6px 2px;
            letter-spacing: 0.01em;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scale(0);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
            transition: transform 0.3s ease;
        }

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

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: translateX(-50%) scale(1);
        }

        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            line-height: 1.2;
        }

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

        .btn-primary:hover {
            background: var(--color-accent);
            color: #1C2623;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(180, 145, 106, 0.3);
        }

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

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-gold {
            background: var(--color-accent);
            color: #1C2623;
        }

        .btn-gold:hover {
            background: var(--color-accent-light);
            color: #1C2623;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(180, 145, 106, 0.3);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            padding: 180px 0 80px;
            background: linear-gradient(90deg, rgba(13, 31, 26, 0.85) 0%, rgba(13, 31, 26, 0.55) 60%, rgba(13, 31, 26, 0.35) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--color-accent) 0%, rgba(180, 145, 106, 0) 100%);
        }

        .hero-content {
            max-width: 720px;
            position: relative;
            z-index: 2;
        }

        .hero-eyebrow {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--color-accent-light);
            margin-bottom: 24px;
            padding: 6px 14px;
            border: 1px solid rgba(201, 173, 139, 0.4);
            border-radius: 30px;
            font-weight: 500;
        }

        .hero h1 {
            font-family: var(--font-serif);
            font-size: 58px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.78);
            max-width: 520px;
            margin-bottom: 36px;
        }

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

        .hero-stats {
            position: absolute;
            bottom: 60px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 0;
            z-index: 2;
            width: calc(100% - 48px);
            max-width: 1100px;
            justify-content: space-between;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 32px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-stat-item:first-child {
            border-left: none;
            padding-left: 0;
        }

        .hero-stat-num {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.02em;
        }

        /* ---------- 通用板块 ---------- */
        .section {
            padding: 100px 0;
        }

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

        .section-eyebrow {
            display: block;
            font-size: 12px;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: rgba(30, 61, 54, 0.5);
            margin-bottom: 12px;
            font-weight: 500;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 900;
            color: var(--color-text);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 580px;
        }

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

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

        /* ---------- 服务优势 ---------- */
        .advantages {
            background: var(--color-bg);
        }

        .adv-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 36px 32px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .adv-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--color-accent);
            transition: height 0.4s ease;
        }

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

        .adv-card:hover::before {
            height: 100%;
        }

        .adv-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(30, 61, 54, 0.08);
            color: var(--color-primary);
            font-size: 20px;
            margin-bottom: 20px;
        }

        .adv-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

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

        /* ---------- 适用场景 ---------- */
        .scenarios {
            background: linear-gradient(180deg, var(--color-bg) 0%, #EDE9E0 100%);
            position: relative;
            overflow: hidden;
        }

        .scenarios::before {
            content: "";
            position: absolute;
            top: 80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border: 1px solid rgba(180, 145, 106, 0.3);
            border-radius: 50%;
        }

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

        .scenario-item {
            position: relative;
            padding: 24px 0 24px 48px;
            border-bottom: 1px solid rgba(30, 61, 54, 0.08);
        }

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

        .scenario-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 32px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-bg-card);
            border: 2px solid var(--color-primary);
        }

        .scenario-item::after {
            content: "";
            position: absolute;
            left: 0;
            top: 52px;
            bottom: -24px;
            width: 1px;
            background: var(--color-border);
        }

        .scenario-item:last-child::after {
            display: none;
        }

        .scenario-item h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .scenario-item p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .scenario-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 100%;
            min-height: 400px;
        }

        .scenario-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .scenario-media:hover img {
            transform: scale(1.03);
        }

        /* ---------- 合作流程 ---------- */
        .process {
            background: var(--color-bg-card);
            position: relative;
        }

        .process-line {
            position: relative;
            margin-bottom: 48px;
        }

        .process-line::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 0;
            right: 0;
            height: 1px;
            border-top: 2px dashed rgba(30, 61, 54, 0.15);
        }

        .process-step {
            text-align: center;
            padding: 0 20px;
            position: relative;
        }

        .process-num {
            font-family: var(--font-serif);
            font-size: 56px;
            font-weight: 900;
            display: block;
            line-height: 1;
            color: rgba(30, 61, 54, 0.2);
            margin-bottom: 16px;
            transition: color 0.4s ease, transform 0.4s ease;
        }

        .process-step:hover .process-num {
            color: var(--color-primary);
            transform: translateY(-4px);
        }

        .process-step::after {
            content: "";
            display: block;
            width: 32px;
            height: 2px;
            background: var(--color-accent);
            margin: 16px auto 12px;
            border-radius: 2px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            max-width: 240px;
            margin: 0 auto;
        }

        /* ---------- 数据条 ---------- */
        .trust-bar {
            background: var(--color-primary-dark);
            padding: 64px 0;
            color: #fff;
        }

        .trust-item {
            text-align: center;
            padding: 16px 24px;
            border-left: 1px solid rgba(255, 255, 255, 0.12);
        }

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

        .trust-num {
            font-family: var(--font-serif);
            font-size: 52px;
            font-weight: 900;
            line-height: 1;
            color: var(--color-accent);
            display: block;
            margin-bottom: 8px;
        }

        .trust-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.02em;
        }

        .trust-note {
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            margin-top: 32px;
            letter-spacing: 0.04em;
        }

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

        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            border-top: 1px solid var(--color-border);
            position: relative;
            padding: 0;
        }

        .faq-item:last-child {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-item.active {
            border-left: 3px solid var(--color-primary);
            padding-left: 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 8px 24px 16px;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            transition: color 0.3s ease;
        }

        .faq-item.active .faq-question {
            color: var(--color-primary);
        }

        .faq-arrow {
            width: 24px;
            height: 24px;
            position: relative;
            flex-shrink: 0;
        }

        .faq-arrow::before,
        .faq-arrow::after {
            content: "";
            position: absolute;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .faq-arrow::before {
            width: 2px;
            height: 14px;
            top: 5px;
            left: 11px;
        }

        .faq-arrow::after {
            width: 14px;
            height: 2px;
            top: 11px;
            left: 5px;
        }

        .faq-item.active .faq-arrow::before {
            transform: scaleY(0);
        }

        .faq-item.active .faq-arrow::after {
            background: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 16px 24px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            background: var(--color-primary-dark);
            padding: 96px 0;
            color: #fff;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border: 1px solid rgba(180, 145, 106, 0.4);
            border-radius: 50%;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: 40px;
            width: 120px;
            height: 120px;
            border: 1px solid rgba(180, 145, 106, 0.2);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            text-align: left;
            margin-bottom: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
        }

        .form-group input,
        .form-group select {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            font-size: 15px;
            outline: none;
            transition: border-color 0.3s ease;
            width: 100%;
        }

        .form-group input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
        }

        .form-group select option {
            color: var(--color-text);
            background: #fff;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-accent);
        }

        .cta-submit-wrap {
            text-align: center;
        }

        .form-success {
            display: none;
            background: rgba(180, 145, 106, 0.15);
            border: 1px solid rgba(180, 145, 106, 0.4);
            border-radius: 10px;
            padding: 20px 24px;
            color: #fff;
            margin-top: 20px;
            font-size: 15px;
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            padding: 72px 0 32px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .footer-brand {
            flex: 1 1 260px;
            max-width: 320px;
        }

        .footer-brand .site-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul a {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

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

        /* ---------- 面包屑 ---------- */
        .breadcrumb {
            padding: 120px 0 0;
            background: var(--color-bg);
        }

        .breadcrumb-inner {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
        }

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

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

        .breadcrumb-inner span {
            color: var(--color-text);
        }

        .breadcrumb-inner .sep {
            margin: 0 8px;
            color: var(--color-border);
        }

        /* ---------- 滚动动画 ---------- */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ---------- 响应式 ---------- */
        @media screen and (max-width: 1024px) {
            .hero h1 {
                font-size: 46px;
            }
            .section {
                padding: 80px 0;
            }
            .section-title {
                font-size: 32px;
            }
            .process-line::before {
                display: none;
            }
            .process-step {
                margin-bottom: 40px;
            }
            .process-step:last-child {
                margin-bottom: 0;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 8px 16px;
            }
            .site-nav {
                display: none;
                position: fixed;
                top: 68px;
                left: 3%;
                right: 3%;
                background: #fff;
                border-radius: 20px;
                box-shadow: var(--shadow-hover);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }
            .site-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 14px 16px;
                font-size: 15px;
                border-radius: 12px;
                display: block;
            }
            .nav-link:hover {
                background: rgba(30, 61, 54, 0.05);
            }
            .nav-link.active {
                background: rgba(30, 61, 54, 0.08);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .hero {
                min-height: 600px;
                padding: 150px 0 60px;
                background: linear-gradient(180deg, rgba(13, 31, 26, 0.85) 0%, rgba(13, 31, 26, 0.55) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                position: static;
                transform: none;
                margin-top: 56px;
                width: 100%;
                flex-wrap: wrap;
                gap: 16px 0;
                flex-direction: column;
            }
            .hero-stat-item {
                border-left: none;
                padding-left: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding-bottom: 16px;
            }
            .hero-stat-item:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .scenario-media {
                margin-top: 32px;
                min-height: 260px;
            }
            .trust-item {
                border-left: none;
                padding: 16px 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .footer-top {
                flex-direction: column;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb {
                padding-top: 100px;
            }
        }

        @media screen and (max-width: 576px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero-eyebrow {
                font-size: 11px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
            .adv-card {
                padding: 28px 24px;
            }
            .scenario-item {
                padding-left: 40px;
            }
        }