/* roulang page: index */
:root {
    --primary: #0F6E5A;
    --primary-light: rgba(15, 110, 90, 0.10);
    --primary-medium: rgba(15, 110, 90, 0.55);
    --accent: #D9A441;
    --accent-dark: #B8892F;
    --accent-light: rgba(217, 164, 65, 0.15);
    --accent-light-strong: rgba(217, 164, 65, 0.28);
    --bg: #F7F4EE;
    --bg-deep: #F0EBE2;
    --dark: #0E231C;
    --dark-light: #15382C;
    --text: #1F2A24;
    --text-secondary: #5C6B63;
    --border: rgba(15, 110, 90, 0.14);
    --border-light: rgba(15, 110, 90, 0.07);
    --success: #2E7D5B;
    --info: #2E6E7E;
    --warning: #C05A32;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;
    --shadow: 0 2px 8px rgba(14, 35, 28, 0.06);
    --shadow-hover: 0 10px 28px rgba(14, 35, 28, 0.12);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --space-section: 96px;
    --space-section-mobile: 56px;
    --header-height: 72px;
    --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.78;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 15px; }
h1, h2, h3, h4, h5 { line-height: 1.35; color: var(--text); font-weight: 700; }
h1 { font-size: 42px; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 31px; font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 21px; font-weight: 700; }
p { margin-bottom: 1rem; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section { padding: var(--space-section) 0; }
.section-label {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-label::before {
    content: '';
    display: inline-block;
    width: 26px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    margin-right: 10px;
}
.section-title { margin-bottom: 18px; }
.section-desc { color: var(--text-secondary); max-width: 620px; line-height: 1.75; }
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
    line-height: 1;
}
.btn-primary {
    background: var(--accent);
    color: var(--dark);
    box-shadow: 0 4px 14px rgba(217, 164, 65, 0.30);
}
.btn-primary:hover {
    background: #E4B65A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 164, 65, 0.40);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}
.btn-outline:active { transform: translateY(0); }
.btn-white-outline {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
    background: transparent;
}
.btn-white-outline:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }
.btn-sm { height: 36px; padding: 0 18px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }
/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--accent-light);
    color: var(--accent-dark);
    letter-spacing: 0.03em;
}
.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}
/* Cards */
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(15, 110, 90, 0.24);
}
/* Header Nav */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    transition: all 0.35s ease;
}
.site-header.is-sticky {
    position: fixed;
    background: rgba(15, 110, 90, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 4px 20px rgba(14, 35, 28, 0.18);
    animation: headerSlideDown 0.35s ease;
}
@keyframes headerSlideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}
.header-inner {
    max-width: var(--container);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 30px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    flex-shrink: 0;
}
.brand-text {
    font-size: 17px;
    font-weight: 800;
    color: var(--text);
    white-space: nowrap;
    letter-spacing: -0.01em;
    transition: color var(--transition);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    display: inline-block;
    padding: 8px 13px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    border-radius: 20px;
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.nav-link.active {
    color: #fff;
    background: var(--primary);
    font-weight: 600;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 22px;
    padding: 0 14px;
    height: 36px;
    border: 1px solid var(--border);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 110, 90, 0.12);
}
.search-box input {
    border: none;
    outline: none;
    background: transparent;
    width: 140px;
    font-size: 13px;
    color: var(--text);
}
.search-box input::placeholder { color: #9AA8A0; }
.search-box button {
    color: var(--primary);
    font-size: 13px;
    padding-left: 6px;
}
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text);
    transition: background var(--transition);
}
.menu-toggle:hover { background: var(--primary-light); }
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 16px 24px 24px;
    box-shadow: 0 10px 30px rgba(14, 35, 28, 0.3);
    border-radius: 0 0 12px 12px;
    z-index: 99;
}
.mobile-nav a {
    display: block;
    padding: 13px 8px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav a.active { color: var(--accent); font-weight: 600; }
.mobile-nav .btn { margin-top: 14px; width: 100%; }
/* Sticky header state */
.site-header.is-sticky .brand-text { color: #fff; }
.site-header.is-sticky .nav-link { color: rgba(255, 255, 255, 0.85); }
.site-header.is-sticky .nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.site-header.is-sticky .nav-link.active { background: var(--accent); color: var(--dark); }
.site-header.is-sticky .menu-toggle { color: #fff; }
/* Hero */
.hero {
    position: relative;
    display: flex;
    min-height: 720px;
    background: var(--bg);
    overflow: hidden;
}
.hero-left {
    width: 52%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--header-height) + 40px) 4% 50px 6%;
    position: relative;
    z-index: 2;
}
.hero-right {
    width: 48%;
    position: relative;
    min-height: 520px;
    background-size: cover;
    background-position: center;
}
.hero-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(14, 35, 28, 0.25) 0%, rgba(14, 35, 28, 0.55) 100%);
    z-index: 1;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 22px;
    width: fit-content;
}
.hero-eyebrow i { font-size: 13px; }
.hero h1 {
    font-size: 44px;
    line-height: 1.3;
    margin-bottom: 22px;
    color: var(--text);
}
.hero-sub {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 460px;
    margin-bottom: 30px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.hero-meta {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-secondary);
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.hero-meta i { color: var(--primary); }
.hero-float-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 14px 18px;
    box-shadow: 0 8px 30px rgba(14, 35, 28, 0.18);
    z-index: 2;
    font-size: 13px;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.6);
}
.hero-float-card .badge { margin-bottom: 5px; }
.hero-float-card p { font-size: 13px; color: var(--text-secondary); margin: 0; line-height: 1.5; }
.float-card-1 { top: 22%; left: -6%; max-width: 220px; }
.float-card-2 { bottom: 20%; right: 8%; max-width: 190px; }
.hero-scroll {
    position: absolute;
    bottom: 24px;
    left: 52%;
    transform: translateX(-50%);
    z-index: 5;
    color: var(--text-secondary);
    font-size: 13px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    animation: floatDown 2s ease-in-out infinite;
}
.hero-scroll i { font-size: 16px; }
@keyframes floatDown {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
}
/* Feature section */
.features {
    background: #fff;
    padding: var(--space-section) 0;
}
.features-grid {
    display: flex;
    gap: 48px;
    margin-top: 44px;
}
.features-number {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 44px;
    width: 90px;
}
.feature-num {
    font-size: 34px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.02em;
    font-style: normal;
}
.features-detail {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 36px;
}
.feature-item {
    padding-bottom: 36px;
    border-bottom: 1px solid var(--border);
}
.feature-item:last-child { border-bottom: none; padding-bottom: 0; }
.feature-item h3 { font-size: 19px; font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.feature-item h3 i { color: var(--primary); font-size: 17px; }
.feature-item p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin: 0; }
/* Scenarios */
.scenarios {
    background: var(--bg);
    padding: var(--space-section) 0;
}
.scenario-block {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 64px;
}
.scenario-block:last-child { margin-bottom: 0; }
.scenario-block.reverse { flex-direction: row-reverse; }
.scenario-media {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    position: relative;
    min-height: 280px;
}
.scenario-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 280px;
    transition: transform 0.5s ease;
}
.scenario-block:hover .scenario-media img { transform: scale(1.02); }
.scenario-content { flex: 1; }
.scenario-content h2 { font-size: 27px; margin-bottom: 12px; }
.scenario-content .desc { color: var(--text-secondary); margin-bottom: 20px; line-height: 1.75; }
.scenario-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text);
    line-height: 1.65;
}
.scenario-list li i {
    color: var(--accent);
    margin-top: 5px;
    font-size: 14px;
    flex-shrink: 0;
}
.scenario-block.dark {
    background: var(--dark);
}
.scenario-block.dark .container { padding: 80px 28px; }
.scenario-block.dark h2 { color: #fff; }
.scenario-block.dark .desc { color: rgba(255, 255, 255, 0.7); }
.scenario-block.dark .scenario-list li { color: rgba(255, 255, 255, 0.88); }
.scenario-block.dark .scenario-list li i { color: var(--accent); }
/* Social proof */
.social-proof {
    background: var(--primary);
    padding: var(--space-section) 0;
    color: #fff;
}
.social-proof .section-title { color: #fff; }
.social-proof .section-desc { color: rgba(255, 255, 255, 0.75); }
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin: 48px 0;
    padding: 36px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.stat-item {
    text-align: center;
    padding: 12px 8px;
}
.stat-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 6px;
}
.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}
.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
}
.testimonial-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 24px;
    transition: background var(--transition), transform var(--transition);
}
.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}
.testimonial-card i {
    color: var(--accent);
    font-size: 18px;
    margin-bottom: 14px;
    opacity: 0.7;
}
.testimonial-text {
    font-size: 15px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 16px;
}
.testimonial-author {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 8px;
}
.testimonial-author::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}
/* Latest posts */
.latest-posts {
    background: var(--bg);
    padding: var(--space-section) 0;
}
.latest-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 36px;
}
.latest-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.post-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all var(--transition);
    position: relative;
    box-shadow: var(--shadow);
}
.post-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(15, 110, 90, 0.22);
}
.post-card .badge { margin-bottom: 2px; }
.post-card h3 { font-size: 19px; line-height: 1.55; margin: 0; }
.post-card h3 a { color: var(--text); }
.post-card h3 a:hover { color: var(--primary); }
.post-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-light);
    font-size: 13px;
}
.post-date { color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.post-date i { color: var(--primary-medium); font-size: 12px; }
.read-more {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    transition: gap var(--transition);
}
.read-more:hover { gap: 10px; color: var(--accent-dark); }
.empty-state {
    grid-column: 1 / -1;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
    background: rgba(255, 255, 255, 0.5);
}
/* FAQ */
.faq-section {
    background: var(--dark);
    padding: var(--space-section) 0;
    color: rgba(255, 255, 255, 0.85);
}
.faq-section .section-title { color: #fff; }
.faq-section .section-desc { color: rgba(255, 255, 255, 0.65); }
.faq-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 48px;
    margin-top: 40px;
}
.faq-intro {
    padding-right: 20px;
}
.faq-intro h2 { margin-bottom: 12px; color: #fff; }
.faq-intro p { color: rgba(255, 255, 255, 0.65); font-size: 15px; }
.faq-intro .btn { margin-top: 18px; }
.accordion {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    overflow: hidden;
}
.accordion-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.accordion-item:last-child { border-bottom: none; }
.accordion-title {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 22px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: transparent;
    cursor: pointer;
    transition: background var(--transition);
}
.accordion-title:hover { background: rgba(255, 255, 255, 0.05); }
.accordion-title .q-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--dark);
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.accordion-title .acc-icon {
    margin-left: auto;
    font-size: 18px;
    color: var(--accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.accordion-item.is-active .acc-icon { transform: rotate(45deg); }
.accordion-content {
    padding: 0 22px 22px 62px;
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.7);
}
/* Final CTA */
.cta-final {
    background: var(--dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.cta-final::before {
    content: '';
    position: absolute;
    top: -80%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(217, 164, 65, 0.12) 0%, transparent 65%);
}
.cta-final::after {
    content: '';
    position: absolute;
    bottom: -60%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(15, 110, 90, 0.25) 0%, transparent 60%);
}
.cta-final-inner { position: relative; z-index: 2; }
.cta-final h2 { color: #fff; font-size: 34px; margin-bottom: 14px; }
.cta-final p { color: rgba(255, 255, 255, 0.7); font-size: 16px; max-width: 520px; margin: 0 auto 32px; }
.cta-final .btn { margin: 0 8px; }
/* Footer */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
    border-top: 4px solid var(--primary);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand .brand-logo { margin-bottom: 14px; }
.footer-brand .brand-text { color: #fff; font-size: 18px; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.6); line-height: 1.75; margin: 0; }
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.55); }
.footer-bottom a:hover { color: var(--accent); }
/* Convert bar */
.convert-bar {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--dark);
    color: #fff;
    padding: 14px 18px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 40px rgba(14, 35, 28, 0.35);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
    max-width: 480px;
}
.convert-bar.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.convert-bar p { font-size: 14px; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.convert-bar .btn { flex-shrink: 0; }
.convert-close {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    padding: 6px;
    border-radius: 50%;
    transition: all var(--transition);
    flex-shrink: 0;
}
.convert-close:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }
@media (max-width: 1023px) {
    .site-header {
        position: fixed;
        background: rgba(15, 110, 90, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 2px 12px rgba(14, 35, 28, 0.12);
    }
    .site-header .brand-text,
    .site-header .nav-link,
    .site-header .menu-toggle { color: #fff; }
    .site-header .nav-link:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
    .site-header .nav-link.active { background: var(--accent); color: var(--dark); }
    .main-nav, .search-box { display: none; }
    .menu-toggle { display: flex; }
    .mobile-nav.is-open { display: block; }
    .header-right { margin-left: auto; }
    .header-inner { padding: 0 18px; }
    .hero { flex-direction: column; min-height: auto; }
    .hero-left { width: 100%; padding: calc(var(--header-height) + 32px) 22px 40px; }
    .hero-right { width: 100%; min-height: 320px; }
    .hero h1 { font-size: 31px; }
    .hero-sub { font-size: 15px; }
    .hero-float-card { display: none; }
    .features-grid { flex-direction: column; gap: 32px; }
    .features-number { flex-direction: row; gap: 28px; width: auto; }
    .feature-num { font-size: 26px; }
    .scenario-block, .scenario-block.reverse { flex-direction: column; gap: 24px; }
    .scenario-media { width: 100%; }
    .scenario-block.dark .container { padding: 56px 22px; }
    .stats-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .testimonials { grid-template-columns: 1fr; }
    .latest-grid { grid-template-columns: 1fr; }
    .faq-layout { grid-template-columns: 1fr; gap: 32px; }
    .faq-intro { padding-right: 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .convert-bar {
        left: 16px;
        right: 16px;
        bottom: 16px;
        border-radius: 14px;
        padding: 12px 14px;
    }
    .convert-bar p { font-size: 13px; }
    .section { padding: var(--space-section-mobile) 0; }
    .cta-final h2 { font-size: 26px; }
    .cta-final .btn { display: block; margin: 10px auto; width: calc(100% - 40px); max-width: 320px; }
    body { padding-bottom: 0; }
}
@media (max-width: 640px) {
    .container { padding: 0 18px; }
    .hero-left { padding-left: 18px; padding-right: 18px; }
    .hero h1 { font-size: 28px; }
    .hero-meta { gap: 12px; flex-direction: column; }
    .stats-row { grid-template-columns: repeat(2, 1fr); padding: 24px 0; }
    .stat-num { font-size: 34px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .latest-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .post-card { padding: 20px; }
    .section-title { font-size: 24px; }
    .scenario-content h2 { font-size: 22px; }
    .testimonial-card { padding: 20px; }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0F6E5A;
            --primary-dark: #0C5A49;
            --accent: #D9A441;
            --accent-dark: #C08E2E;
            --bg-warm: #F7F4EE;
            --bg-dark: #0E231C;
            --bg-green-tint: rgba(15, 110, 90, 0.06);
            --text-main: #1F2A24;
            --text-sub: #5C6B63;
            --line: rgba(15, 110, 90, 0.14);
            --white: #FFFFFF;
            --radius-card: 10px;
            --radius-btn: 6px;
            --radius-img: 12px;
            --shadow-card: 0 2px 8px rgba(14, 35, 28, 0.06);
            --shadow-hover: 0 10px 28px rgba(14, 35, 28, 0.12);
            --transition: all .25s ease;
            --container-width: 1200px;
            --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== 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-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            padding-bottom: 0;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-img); }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
        body.no-scroll { overflow: hidden; }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 110, 90, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 20px rgba(14, 35, 28, 0.18);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--white);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo:hover { color: var(--white); opacity: .9; }
        .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: var(--bg-dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-block;
            padding: 9px 15px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.88);
            border-radius: var(--radius-btn);
            line-height: 1.4;
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover { color: var(--white); background: rgba(255, 255, 255, 0.12); }
        .nav-link.active { color: var(--white); background: rgba(217, 164, 65, 0.22); box-shadow: inset 0 -2px 0 var(--accent); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.14);
            border-radius: 30px;
            padding: 0 6px 0 14px;
            height: 38px;
        }
        .header-search input {
            border: none;
            background: transparent;
            color: var(--white);
            outline: none;
            font-size: 13px;
            width: 130px;
        }
        .header-search input::placeholder { color: rgba(255, 255, 255, 0.7); }
        .header-search button {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            cursor: pointer;
            padding: 0;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: var(--transition);
        }
        .header-search button:hover { background: rgba(255, 255, 255, 0.16); color: var(--white); }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: var(--bg-dark);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover { background: var(--accent-dark); color: var(--bg-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(217, 164, 65, 0.35); }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-menu {
            display: none;
            background: rgba(15, 110, 90, 0.98);
            padding: 10px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 8px;
            color: rgba(255, 255, 255, 0.9);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 15px;
        }
        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a.active { color: var(--accent); font-weight: 600; }

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--bg-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(217, 164, 65, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover { background: rgba(15, 110, 90, 0.08); color: var(--primary-dark); transform: translateY(-2px); }
        .btn-outline-light {
            background: transparent;
            color: var(--white);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: var(--white); transform: translateY(-2px); }
        .btn-lg { padding: 16px 40px; font-size: 16px; }
        .btn-sm { padding: 8px 18px; font-size: 13px; }
        .btn:active { transform: translateY(1px); }

        /* ===== Hero区 ===== */
        .page-hero {
            position: relative;
            background-color: var(--primary);
            color: var(--white);
            padding: 96px 0 80px;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .30;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(15,110,90,.95) 0%, rgba(15,110,90,.78) 55%, rgba(14,35,28,.85) 100%);
        }
        .page-hero .container { position: relative; z-index: 2; }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(217, 164, 65, 0.22);
            color: #F3D79C;
            margin-bottom: 22px;
            letter-spacing: .5px;
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--white);
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 30px;
        }
        .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .hero-meta {
            margin-top: 28px;
            display: flex;
            gap: 26px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
        }
        .hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .hero-meta i { color: var(--accent); }

        /* ===== 板块通用 ===== */
        .section-block { padding: 84px 0; }
        .section-head { margin-bottom: 46px; position: relative; }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(15, 110, 90, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .section-head h2::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 4px;
            flex-shrink: 0;
        }
        .section-sub { font-size: 15px; color: var(--text-sub); max-width: 680px; }
        .section-head.light h2 { color: var(--white); }
        .section-head.light .section-sub { color: rgba(255, 255, 255, 0.8); }

        /* ===== 简介条 ===== */
        .intro-bar {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            padding: 34px 0;
        }
        .intro-bar .grid-x { align-items: center; }
        .intro-text { font-size: 15px; color: var(--text-main); line-height: 1.85; }
        .intro-text strong { color: var(--primary); font-weight: 700; }
        .intro-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-green-tint);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 16px 22px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }
        .intro-badge i { color: var(--accent); font-size: 20px; }

        /* ===== 图文内容区 ===== */
        .media-block { padding: 80px 0; }
        .media-block.dark {
            background: var(--bg-dark);
            color: var(--white);
        }
        .media-body h2 {
            font-size: 26px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .media-body h2::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 3px;
            flex-shrink: 0;
        }
        .media-body .lead { font-size: 15px; color: var(--text-sub); line-height: 1.8; margin-bottom: 22px; }
        .media-block.dark .media-body .lead { color: rgba(255, 255, 255, 0.75); }
        .feature-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 12px;
            font-size: 15px;
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 5px;
            flex-shrink: 0;
        }
        .media-block.dark .feature-list li { color: rgba(255, 255, 255, 0.85); }
        .media-img-wrap {
            position: relative;
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .media-img-wrap img { width: 100%; object-fit: cover; min-height: 320px; }
        .img-float-card {
            position: absolute;
            bottom: 18px;
            left: 18px;
            right: 18px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(6px);
            border-radius: 10px;
            padding: 14px 18px;
            box-shadow: 0 4px 18px rgba(14, 35, 28, 0.18);
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--text-main);
        }
        .img-float-card i { color: var(--primary); font-size: 22px; }
        .img-float-card .label { font-size: 13px; font-weight: 600; }
        .img-float-card .desc { font-size: 12px; color: var(--text-sub); line-height: 1.5; }

        /* ===== 子栏目分组区 ===== */
        .group-section { background: var(--white); padding: 84px 0; }
        .group-card {
            background: var(--bg-warm);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 30px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .group-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); background: var(--white); }
        .group-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
            color: var(--white);
        }
        .group-icon.g1 { background: var(--primary); }
        .group-icon.g2 { background: var(--accent); color: var(--bg-dark); }
        .group-icon.g3 { background: #2E6E7E; }
        .group-icon.g4 { background: #C05A32; }
        .group-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 14px; color: var(--text-main); }
        .group-card ul li { margin-bottom: 9px; }
        .group-card ul a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-main);
        }
        .group-card ul a i { color: var(--primary); font-size: 11px; transition: var(--transition); }
        .group-card ul a:hover { color: var(--primary); }
        .group-card ul a:hover i { transform: translateX(4px); color: var(--accent); }
        .group-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
        }
        .group-more:hover { color: var(--accent-dark); }

        /* ===== 数据统计区 ===== */
        .stats-section {
            background: var(--primary);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 30px solid rgba(255, 255, 255, 0.04);
        }
        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 40px solid rgba(255, 255, 255, 0.03);
        }
        .stats-section .container { position: relative; z-index: 2; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-item { text-align: center; padding: 20px; }
        .stat-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 6px;
        }
        .stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.85); letter-spacing: .5px; }

        /* ===== FAQ区 ===== */
        .faq-section { background: var(--bg-warm); padding: 84px 0; }
        .faq-list { max-width: 860px; margin: 0 auto; }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-card); }
        .faq-item.active { border-color: rgba(15, 110, 90, 0.4); box-shadow: var(--shadow-hover); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            gap: 16px;
            user-select: none;
        }
        .faq-q-mark {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 110, 90, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .faq-question h3 { font-size: 15px; font-weight: 600; color: var(--text-main); flex: 1; line-height: 1.5; }
        .faq-toggle {
            width: 26px;
            height: 26px;
            position: relative;
            flex-shrink: 0;
        }
        .faq-toggle span {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-toggle .minus { opacity: 0; transform: rotate(90deg); }
        .faq-item.active .faq-toggle .plus { opacity: 0; transform: rotate(-90deg); }
        .faq-item.active .faq-toggle .minus { opacity: 1; transform: rotate(0); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer p {
            padding: 0 22px 20px 52px;
            font-size: 14.5px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            background: var(--bg-dark);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -100px;
            transform: translateX(-50%);
            width: 500px;
            height: 200px;
            background: radial-gradient(ellipse at center, rgba(217,164,65,.15) 0%, transparent 70%);
        }
        .cta-section h2 {
            font-size: 32px;
            color: var(--white);
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            position: relative;
        }
        .cta-buttons { position: relative; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-note { margin-top: 18px; font-size: 13px; color: rgba(255, 255, 255, 0.5); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .footer-brand .brand-text { font-size: 17px; font-weight: 800; color: var(--white); }
        .footer-brand p { font-size: 14px; line-height: 1.75; margin-top: 14px; color: rgba(255, 255, 255, 0.6); max-width: 300px; }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: .5px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
        }
        .footer-col ul li { margin-bottom: 9px; font-size: 14px; }
        .footer-col ul a { color: rgba(255, 255, 255, 0.68); }
        .footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a { color: rgba(255, 255, 255, 0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 底部转化条 ===== */
        .convert-bar {
            position: fixed;
            right: 24px;
            bottom: 20px;
            z-index: 999;
            background: var(--bg-dark);
            border-radius: 50px;
            padding: 10px 12px 10px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: 0 10px 34px rgba(14, 35, 28, 0.28);
            border: 1px solid rgba(255, 255, 255, 0.12);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            max-width: 480px;
        }
        .convert-bar.show { opacity: 1; visibility: visible; transform: translateY(0); }
        .convert-bar p { font-size: 14px; color: var(--white); font-weight: 600; white-space: nowrap; }
        .convert-bar .btn { padding: 8px 18px; font-size: 13px; white-space: nowrap; }
        .convert-close {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.14);
            border: none;
            color: var(--white);
            font-size: 14px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .convert-close:hover { background: rgba(255, 255, 255, 0.28); }
        /* 移动端底部转化条 */
        .convert-bar-mobile {
            display: none;
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: var(--bg-dark);
            padding: 10px 18px;
            box-shadow: 0 -4px 24px rgba(14, 35, 28, 0.25);
            align-items: center;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .convert-bar-mobile p { font-size: 13px; color: var(--white); flex: 1; font-weight: 600; line-height: 1.4; }
        .convert-bar-mobile .btn { padding: 8px 14px; font-size: 12px; white-space: nowrap; }
        body.has-convert-bar { padding-bottom: 0; }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1023px) {
            .main-nav { display: none; }
            .header-actions { display: none; }
            .nav-toggle { display: flex; }
            .mobile-menu.open { display: block; }
            .page-hero { padding: 70px 0 60px; min-height: auto; }
            .page-hero h1 { font-size: 30px; }
            .section-block { padding: 56px 0; }
            .media-block { padding: 56px 0; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-num { font-size: 36px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .convert-bar { display: none; }
            .convert-bar-mobile { display: flex; }
            body.has-convert-bar-mobile { padding-bottom: 58px; }
        }
        @media (max-width: 639px) {
            .container { padding: 0 18px; }
            .header-inner { height: 58px; }
            .brand-text { font-size: 16px; }
            .page-hero { padding: 54px 0 48px; }
            .page-hero h1 { font-size: 26px; line-height: 1.35; }
            .hero-desc { font-size: 15px; }
            .hero-actions .btn { width: 100%; }
            .section-head h2 { font-size: 24px; }
            .media-body h2 { font-size: 21px; }
            .section-block { padding: 44px 0; }
            .media-block { padding: 44px 0; }
            .group-card { padding: 22px; }
            .faq-question { padding: 14px 16px; }
            .faq-answer p { padding-left: 44px; }
            .cta-section h2 { font-size: 24px; }
            .cta-section .btn { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .intro-badge { margin-top: 14px; }
            .hero-meta { flex-wrap: wrap; gap: 12px; }
            .stats-grid { gap: 12px; }
            .stat-num { font-size: 30px; }
            .img-float-card { padding: 10px 14px; }
        }
        @media (min-width: 1024px) {
            .hero-desc { font-size: 16px; }
        }

/* roulang page: article */
:root {
    --primary: #0F6E5A;
    --primary-dark: #0A5445;
    --primary-light: rgba(15,110,90,0.1);
    --accent: #D9A441;
    --accent-dark: #C08A2E;
    --accent-light: rgba(217,164,65,0.15);
    --bg: #F7F4EE;
    --bg-white: #FFFFFF;
    --dark: #0E231C;
    --text: #1F2A24;
    --text-secondary: #5C6B63;
    --border: rgba(15,110,90,0.14);
    --radius: 10px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(14,35,28,0.06);
    --shadow-hover: 0 10px 28px rgba(14,35,28,0.12);
    --trans: all 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, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--trans);
}
a:hover {
    color: var(--primary-dark);
}
button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}
hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 24px 0;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.grid-container {
    max-width: 1200px;
}

/* component styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: var(--trans);
    border: 1px solid transparent;
    line-height: 1;
    gap: 8px;
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: var(--dark);
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(192,138,46,0.28);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}
.btn-outline:active {
    transform: translateY(0);
}
.btn-block {
    width: 100%;
}
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    background: var(--accent-light);
    color: #9B6818;
    line-height: 1.6;
}
.badge-green {
    background: var(--primary-light);
    color: var(--primary);
}

/* header */
.site-header {
    background: rgba(247,244,238,0.97);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--trans);
}
.site-header.scrolled {
    background: rgba(15,110,90,0.95);
    border-bottom-color: rgba(255,255,255,0.12);
    box-shadow: 0 4px 20px rgba(14,35,28,0.18);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 24px;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--accent);
}
.brand-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.site-header.scrolled .brand-text {
    color: #fff;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0 auto;
}
.nav-link {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    transition: var(--trans);
    position: relative;
}
.nav-link:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}
.nav-link.active {
    background: var(--primary);
    color: #fff;
}
.site-header.scrolled .nav-link {
    color: rgba(255,255,255,0.85);
}
.site-header.scrolled .nav-link:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
}
.site-header.scrolled .nav-link.active {
    background: var(--accent);
    color: var(--dark);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.nav-actions .btn {
    height: 38px;
    padding: 0 18px;
    font-size: 14px;
}
.nav-toggle {
    display: none;
    background: none;
    border: 0;
    font-size: 24px;
    color: var(--primary);
    cursor: pointer;
    padding: 6px;
}

/* article main */
.article-main {
    padding: 40px 0 80px;
}
.article-header {
    background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(235,230,220,0.94)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 48px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.article-header::after {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(217,164,65,0.10);
    top: -120px;
    right: -60px;
    pointer-events: none;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
}
.breadcrumb a {
    color: var(--primary);
}
.breadcrumb a:hover {
    color: var(--primary-dark);
}
.crumb-sep {
    color: var(--text-secondary);
    font-size: 12px;
}
.crumb-current {
    color: var(--text-secondary);
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.article-title {
    font-size: 36px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}
.meta-item, .meta-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-summary {
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,0.72);
    border-left: 3px solid var(--accent);
    padding: 16px 20px;
    border-radius: 6px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-top: 6px;
}
.article-layout {
    align-items: flex-start;
}
.article-content {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    box-shadow: var(--shadow);
}
.article-content p {
    margin-bottom: 24px;
}
.article-content h2 {
    font-size: 28px;
    line-height: 1.4;
    font-weight: 800;
    color: var(--text);
    margin: 40px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
}
.article-content h3 {
    font-size: 21px;
    line-height: 1.4;
    font-weight: 700;
    margin: 32px 0 14px;
    color: var(--text);
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(217,164,65,0.06);
    padding: 16px 24px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
}
.article-content ul,
.article-content ol {
    margin: 0 0 24px 20px;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content img {
    border-radius: 8px;
    margin: 24px 0;
}
.article-content figure {
    margin: 24px 0;
}
.article-content figcaption {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 8px;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}
.article-content table th,
.article-content table td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}
.article-content table th {
    background: var(--bg);
    font-weight: 600;
}
.article-content code {
    background: #F0EDE8;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 14px;
}
.article-empty {
    text-align: center;
    padding: 64px 24px;
    color: var(--text-secondary);
}
.article-empty p {
    margin-bottom: 24px;
    font-size: 18px;
}

/* article nav */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
}
.nav-card {
    display: block;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    transition: var(--trans);
}
.nav-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--primary);
}
.nav-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.nav-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}
.nav-card.next {
    text-align: right;
}
.article-back {
    text-align: center;
    margin-top: 32px;
}

/* sidebar */
.article-aside {
    position: sticky;
    top: 84px;
}
.sidebar-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}
.sidebar-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.sidebar-card h3::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.toc-list,
.sidebar-nav {
    list-style: none;
    margin: 0;
}
.toc-list li,
.sidebar-nav li {
    margin-bottom: 10px;
}
.toc-list li a,
.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 6px 8px;
    border-radius: 6px;
}
.toc-list li a:hover,
.sidebar-nav li a:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.cta-sidebar {
    background: var(--dark);
    border-color: var(--dark);
    color: #fff;
    text-align: center;
}
.cta-sidebar h3 {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.12);
}
.cta-sidebar p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}
.cta-sidebar .btn-primary {
    width: 100%;
}

/* related posts */
.related-posts {
    margin-top: 56px;
}
.section-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}
.section-tag {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-dark);
    background: var(--accent-light);
    padding: 4px 12px;
    border-radius: 6px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin: 0;
}
.post-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--trans);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}
.post-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--primary);
}
.post-card-thumb {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #E8E3DB;
    position: relative;
}
.post-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.post-card:hover .post-card-thumb img {
    transform: scale(1.04);
}
.post-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.post-card-body .badge {
    align-self: flex-start;
    margin-bottom: 12px;
}
.post-card-body h3 {
    font-size: 18px;
    line-height: 1.5;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}
.post-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.post-meta {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

/* faq */
.faq-section {
    background: var(--dark);
    padding: 72px 0;
    margin-top: 64px;
}
.faq-section .section-head h2 {
    color: #fff;
}
.faq-grid {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--trans);
}
.faq-item:hover {
    background: rgba(255,255,255,0.09);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
}
.faq-q-badge {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--accent);
    color: var(--dark);
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}
.faq-toggle {
    font-size: 20px;
    color: var(--accent);
    transition: var(--trans);
}
.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-answer-inner {
    padding: 0 24px 20px;
    color: rgba(255,255,255,0.72);
    font-size: 15px;
    line-height: 1.75;
    padding-left: 50px;
}
.faq-item.open .faq-answer {
    max-height: 400px;
}

/* cta */
.cta-section {
    background: var(--dark);
    padding: 72px 0;
    text-align: center;
}
.cta-inner h2 {
    font-size: 32px;
    color: #fff;
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-inner p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 28px;
    font-size: 16px;
}

/* footer */
.site-footer {
    background: #0B1914;
    padding: 64px 0 0;
    color: rgba(255,255,255,0.75);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .brand-logo {
    margin-bottom: 16px;
}
.footer-brand .brand-icon {
    background: var(--accent);
    color: var(--dark);
}
.footer-brand .brand-text {
    color: #fff;
    font-size: 17px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255,255,255,0.6);
    max-width: 300px;
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 16px;
    font-weight: 600;
}
.footer-col ul {
    list-style: none;
    margin: 0;
}
.footer-col li {
    margin-bottom: 10px;
}
.footer-col a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}
.footer-col a:hover {
    color: var(--accent);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
.footer-bottom a {
    color: rgba(255,255,255,0.6);
}

/* convert bar */
.convert-bar {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    background: var(--dark);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 999px;
    padding: 12px 16px 12px 24px;
    display: none;
    align-items: center;
    gap: 14px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    max-width: 480px;
    transition: var(--trans);
}
.convert-bar.show {
    display: flex;
}
.convert-bar-text {
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    white-space: nowrap;
}
.convert-bar .btn {
    height: 34px;
    padding: 0 16px;
    font-size: 13px;
    flex-shrink: 0;
}
.convert-close {
    background: none;
    border: 0;
    color: rgba(255,255,255,0.5);
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    transition: var(--trans);
}
.convert-close:hover {
    color: #fff;
}

/* responsive */
@media (max-width: 1023px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px;
        gap: 8px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    }
    .main-nav.open {
        display: flex;
    }
    .main-nav .nav-link {
        padding: 12px 16px;
        color: var(--text);
        font-size: 15px;
    }
    .main-nav .nav-link:hover {
        background: var(--primary-light);
        color: var(--primary);
    }
    .main-nav .nav-link.active {
        background: var(--primary);
        color: #fff;
    }
    .site-header.scrolled .nav-link {
        color: var(--text);
    }
    .site-header.scrolled .nav-link.active {
        background: var(--primary);
        color: #fff;
    }
    .nav-toggle {
        display: block;
    }
}
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-header {
        padding: 32px 28px;
    }
    .article-title {
        font-size: 30px;
    }
    .article-content {
        padding: 36px 28px;
    }
}
@media (max-width: 639px) {
    .container {
        padding: 0 18px;
    }
    .nav-container {
        gap: 12px;
    }
    .nav-actions .btn {
        display: none;
    }
    .brand-text {
        font-size: 15px;
        letter-spacing: 0;
    }
    .article-main {
        padding: 24px 0 48px;
    }
    .article-header {
        padding: 28px 20px;
    }
    .article-title {
        font-size: 26px;
    }
    .article-summary {
        font-size: 14px;
        padding: 12px 16px;
    }
    .article-content {
        padding: 24px 20px;
    }
    .article-content h2 {
        font-size: 22px;
    }
    .article-nav {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .related-posts .cell {
        margin-bottom: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .convert-bar {
        left: 0;
        right: 0;
        bottom: 0;
        border-radius: 0;
        padding: 10px 12px;
        max-width: none;
    }
    .convert-bar-text {
        font-size: 13px;
        white-space: normal;
        line-height: 1.4;
    }
    .convert-bar .btn {
        padding: 0 12px;
        font-size: 12px;
    }
    body {
        padding-bottom: 30px;
    }
}

@media print {
    .site-header, .site-footer, .convert-bar, .article-sidebar, .article-nav, .related-posts, .cta-section {
        display: none !important;
    }
    body {
        background: #fff;
    }
    .article-content {
        box-shadow: none;
        border: 0;
        padding: 0;
    }
}

/* roulang page: category3 */
:root{
  --primary:#0F6E5A;
  --primary-dark:#0B5344;
  --accent:#D9A441;
  --accent-dark:#C08F2E;
  --bg:#F7F4EE;
  --dark:#0E231C;
  --text:#1F2A24;
  --text-sub:#5C6B63;
  --line:rgba(15,110,90,.14);
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 2px 8px rgba(14,35,28,.06);
  --shadow-hover:0 10px 28px rgba(14,35,28,.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:all .25s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.cell{padding:0 16px;flex:0 0 100%;max-width:100%}
@media screen and (min-width:640px){
  .large-6{flex:0 0 50%;max-width:50%}
  .large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .large-5{flex:0 0 41.6667%;max-width:41.6667%}
  .large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .large-3{flex:0 0 25%;max-width:25%}
}
.section{padding:80px 0}
.section-head{margin-bottom:40px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.section-eyebrow::before{
  content:"";display:inline-block;width:24px;height:3px;border-radius:2px;
  background:var(--accent);
}
.section-title{
  font-size:32px;line-height:1.35;font-weight:800;color:var(--text);margin-bottom:12px;
}
.section-desc{font-size:16px;color:var(--text-sub);max-width:720px}
@media screen and (max-width:640px){
  .section{padding:56px 0}
  .section-title{font-size:26px}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.5px;
  transition:all .25s ease;border:none;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--dark)}
.btn-primary:hover{background:var(--accent-dark);color:var(--dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(217,164,65,.35)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:rgba(15,110,90,.08);color:var(--primary-dark);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 18px;font-size:13px}
.btn-lg{height:50px;padding:0 38px;font-size:16px}
.btn:active{transform:translateY(1px)}

/* 品牌 Logo */
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;box-shadow:0 4px 10px rgba(15,110,90,.25);
}
.brand-text{font-size:18px;font-weight:800;color:var(--dark);letter-spacing:.5px;white-space:nowrap}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;
  background:linear-gradient(90deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.96) 50%,rgba(14,35,28,.86) 50%,rgba(14,35,28,.86) 100%);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(15,110,90,.1);
  transition:background .3s ease;
}
.site-header.scrolled{
  background:rgba(15,110,90,.92);
  box-shadow:0 4px 20px rgba(14,35,28,.15);
}
.header-inner{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:1280px;margin:0 auto;padding:0 24px;
}
.header-left{display:flex;align-items:center;gap:20px;min-width:0}
.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0;position:relative;z-index:2}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  color:var(--primary);
  background:rgba(247,244,238,.92);
  border:1px solid rgba(15,110,90,.12);
  padding:5px 12px;border-radius:20px;
  font-size:12.5px;font-weight:600;line-height:1.5;
  white-space:nowrap;transition:all .25s ease;
}
.nav-link:hover{
  background:#fff;color:var(--primary);
  border-color:rgba(15,110,90,.3);
  box-shadow:0 2px 6px rgba(14,35,28,.08);
  transform:translateY(-1px);
}
.nav-link.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--primary);color:#fff;font-size:16px;border:none;
  align-items:center;justify-content:center;
}
.nav-toggle.active{background:var(--accent);color:var(--dark)}
.header-cta{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--radius-sm);background:var(--accent);color:var(--dark);font-size:13px;font-weight:700;transition:all .25s ease}
.header-cta:hover{background:var(--accent-dark);color:var(--dark);transform:translateY(-1px)}
@media screen and (max-width:1023px){
  .site-header{background:rgba(15,110,90,.92)}
  .header-left{flex:1}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;
    background:var(--dark);flex-direction:column;align-items:stretch;
    padding:16px;gap:8px;display:none;border-top:1px solid rgba(255,255,255,.1);
  }
  .main-nav.open{display:flex}
  .nav-link,.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}
  .nav-link.active{background:var(--accent);color:var(--dark);border-color:var(--accent)}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
}
@media screen and (max-width:520px){
  .brand-text{font-size:16px}
  .header-inner{padding:0 16px;gap:8px}
}

/* Hero */
.hero{
  padding-top:64px;background:var(--bg);
  overflow:hidden;position:relative;
}
.hero-inner{
  min-height:auto;display:flex;align-items:stretch;
}
.hero-content{
  padding:80px 32px 80px 0;display:flex;flex-direction:column;justify-content:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(15,110,90,.1);color:var(--primary);
  padding:6px 16px;border-radius:20px;font-size:13px;font-weight:700;
  margin-bottom:20px;width:fit-content;
}
.hero-title{
  font-size:40px;line-height:1.3;font-weight:800;color:var(--text);margin-bottom:18px;
  letter-spacing:-.5px;
}
.hero-title .highlight{color:var(--primary)}
.hero-subtitle{
  font-size:17px;line-height:1.8;color:var(--text-sub);
  max-width:480px;margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-sub)}
.hero-meta i{color:var(--primary)}
.hero-visual{
  position:relative;border-radius:0 0 0 24px;
  background:var(--dark);
  min-height:480px;display:flex;align-items:flex-end;justify-content:flex-end;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,35,28,.55),rgba(14,35,28,.15));}
.visual-card{
  position:relative;z-index:2;margin:32px;padding:24px;border-radius:12px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  box-shadow:0 12px 32px rgba(14,35,28,.2);max-width:300px;
}
.visual-card-title{font-size:16px;font-weight:800;color:var(--dark);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.visual-card-title::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--accent);display:inline-block}
.visual-card ul li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-sub);padding:5px 0;border-bottom:1px dashed var(--line)}
.visual-card ul li:last-child{border-bottom:none}
.visual-card ul i{color:var(--primary);font-size:11px}
@media screen and (max-width:1023px){
  .hero-content{padding:48px 0 32px}
  .hero-title{font-size:32px}
  .hero-visual{min-height:320px;border-radius:16px;margin:0 16px 24px}
}
@media screen and (max-width:640px){
  .hero-inner{flex-direction:column}
  .hero{min-height:auto}
  .hero-visual{min-height:260px}
  .hero-actions .btn{width:100%}
}

/* 问题分类区 */
.cat-cards-wrap{background:#fff;border-bottom:1px solid var(--line)}
.cat-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;height:100%;
  transition:all .28s ease;position:relative;overflow:hidden;
}
.cat-card::after{
  content:"";position:absolute;top:0;left:0;width:0;height:3px;
  background:var(--accent);transition:width .3s ease;
}
.cat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.cat-card:hover::after{width:100%}
.cat-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(15,110,90,.1);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:18px;transition:all .28s ease;
}
.cat-card:hover .cat-icon{background:var(--primary);color:#fff}
.cat-card h3{font-size:19px;font-weight:800;margin-bottom:10px;color:var(--text)}
.cat-card p{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:14px}
.cat-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--primary);
}
.cat-link i{transition:transform .25s ease}
.cat-link:hover i{transform:translateX(4px)}
@media screen and (max-width:640px){
  .cat-card{padding:22px 18px}
}

/* 热门问题速览 */
.hot-section{background:var(--bg)}
.hot-card-grid{display:flex;flex-wrap:wrap;margin:0 -16px}
.hot-main-card,.hot-sub-lists{padding:0 16px}
.hot-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  transition:all .28s ease;
}
.hot-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.hot-card-image{position:relative;min-height:180px;background-size:cover;background-position:center}
.hot-card-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hot-card-image .badge{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(217,164,65,.95);color:var(--dark);
  font-size:12px;font-weight:800;padding:4px 12px;border-radius:20px;
}
.hot-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.hot-card-body h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--text);line-height:1.5}
.hot-card-body p{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:18px;flex:1}
.hot-card-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}
.hot-card-meta .date{font-size:13px;color:var(--text-sub)}
.hot-card-meta .more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--primary);
}
.hot-card-meta .more i{transition:transform .25s ease}
.hot-card:hover .hot-card-meta .more i{transform:translateX(4px)}
.hot-sub-lists{display:flex;flex-direction:column;gap:24px;height:100%}
.sub-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:flex;min-height:140px;flex:1;
  transition:all .28s ease;
}
.sub-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.sub-card-image{width:38%;min-height:140px;background-size:cover;background-position:center;position:relative}
.sub-card-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.sub-card-body{padding:18px;display:flex;flex-direction:column;justify-content:center;flex:1}
.sub-card-body h4{font-size:15.5px;font-weight:800;color:var(--text);line-height:1.5;margin-bottom:6px}
.sub-card-body p{font-size:13px;color:var(--text-sub);line-height:1.6}
@media screen and (max-width:640px){
  .sub-card{flex-direction:column;min-height:auto}
  .sub-card-image{width:100%;min-height:140px}
  .sub-card-body{padding:18px}
}

/* FAQ 详解区 */
.faq-detail-section{background:var(--dark);color:#E8EFEA}
.faq-detail-section .section-title{color:#fff}
.faq-detail-section .section-desc{color:rgba(255,255,255,.7)}
.faq-detail-section .section-eyebrow{color:var(--accent)}
.faq-wrap{display:flex;flex-wrap:wrap;margin:0 -16px}
.faq-info-col,.faq-accordion-col{padding:0 16px}
.faq-accordion{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;overflow:hidden;transition:background .3s ease;
}
.faq-item.open{background:rgba(255,255,255,.09);border-color:rgba(217,164,65,.4)}
.faq-question{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:none;border:none;padding:20px 20px;color:#fff;
  font-size:16px;font-weight:700;line-height:1.5;transition:color .25s ease;
}
.faq-question:hover{color:var(--accent)}
.faq-q{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  background:var(--accent);color:var(--dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
}
.faq-icon{
  margin-left:auto;font-size:20px;font-weight:300;color:var(--accent);
  transition:transform .3s ease;flex-shrink:0;line-height:1;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-answer-inner{padding:0 20px 20px 62px;color:rgba(255,255,255,.75);font-size:14.5px;line-height:1.8}
.faq-item.open .faq-answer{max-height:500px}
.faq-note{
  margin-top:32px;padding:20px 24px;border-radius:10px;
  background:rgba(217,164,65,.12);border:1px solid rgba(217,164,65,.3);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.faq-note p{color:rgba(255,255,255,.85);font-size:14px;flex:1;min-width:220px}
.faq-note a{color:var(--accent);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.faq-note a i{transition:transform .25s ease}
.faq-note a:hover i{transform:translateX(4px)}
@media screen and (max-width:640px){
  .faq-question{font-size:15px;padding:16px}
  .faq-answer-inner{padding:0 16px 16px 46px}
  .faq-note{padding:16px}
}

/* 流程区 */
.steps-section{background:#fff;}
.steps-wrap{display:flex;flex-wrap:wrap;margin:0 -16px;position:relative}
.steps-wrap::before{
  content:"";position:absolute;top:32px;left:50px;right:50px;
  border-top:2px dashed rgba(15,110,90,.18);
}
.step-cell{padding:0 16px;position:relative}
.step{
  text-align:center;padding:0 8px;position:relative;
}
.step-num{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);color:var(--primary);
  font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:2;transition:all .3s ease;
}
.step:hover .step-num{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(15,110,90,.25)}
.step h3{font-size:17px;font-weight:800;color:var(--text);margin-bottom:8px}
.step p{font-size:14px;color:var(--text-sub);line-height:1.7;max-width:220px;margin:0 auto}
@media screen and (max-width:1023px){
  .steps-wrap::before{display:none}
  .step-cell{margin-bottom:32px}
}

/* 数据条 */
.stats-section{background:var(--primary);padding:60px 0;position:relative;overflow:hidden}
.stats-section::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  border-radius:50%;border:3px solid rgba(217,164,65,.3);
}
.stats-grid{display:flex;flex-wrap:wrap;margin:0 -16px;position:relative;z-index:2}
.stat-cell{padding:0 16px;text-align:center}
.stat-num{
  font-size:52px;font-weight:800;color:var(--accent);line-height:1.1;
  font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.stat-label{font-size:15px;color:rgba(255,255,255,.85);font-weight:600;letter-spacing:1px}
@media screen and (max-width:640px){
  .stat-num{font-size:38px}
  .stat-cell{margin-bottom:24px}
}

/* CTA */
.cta-section{background:var(--dark);padding:80px 0;position:relative;overflow:hidden}
.cta-section::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary));
}
.cta-box{text-align:center;max-width:680px;margin:0 auto;padding:0 24px}
.cta-box h2{font-size:34px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:14px}
.cta-box p{font-size:16px;color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media screen and (max-width:640px){
  .cta-section{padding:56px 0}
  .cta-box h2{font-size:26px}
  .cta-actions .btn{width:100%}
}

/* 页脚 */
.site-footer{background:#0A1A13;color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:0}
.footer-grid{display:flex;flex-wrap:wrap;margin:0 -16px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{flex:0 0 30%;max-width:30%;padding:0 16px}
.footer-col{flex:0 0 17.5%;max-width:17.5%;padding:0 16px}
.footer-brand .brand-logo .brand-text{color:#fff}
.footer-brand .brand-icon{background:var(--accent);color:var(--dark)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:20px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);transition:all .25s ease;display:inline-flex;align-items:center;gap:6px}
.footer-col ul a::before{content:"›";color:var(--accent);font-size:15px;opacity:0;transform:translateX(-4px);transition:all .25s ease}
.footer-col ul a:hover{color:var(--accent);transform:translateX(4px)}
.footer-col ul a:hover::before{opacity:1;transform:translateX(0)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  padding:24px 0;font-size:13px;color:rgba(255,255,255,.4);
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}
@media screen and (max-width:1023px){
  .footer-brand,.footer-col{flex:0 0 50%;max-width:50%;margin-bottom:36px}
}
@media screen and (max-width:520px){
  .footer-brand,.footer-col{flex:0 0 100%;max-width:100%}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}

/* 底部固定转化条 */
.convert-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:900;
  background:var(--dark);color:#fff;
  padding:14px 24px;
  transform:translateY(120%);transition:transform .4s ease;
  box-shadow:0 -8px 30px rgba(14,35,28,.25);
  border-top:3px solid var(--accent);
}
.convert-bar.visible{transform:translateY(0)}
.convert-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1200px;margin:0 auto}
.convert-bar p{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.85);line-height:1.5}
.convert-bar p i{color:var(--accent);font-size:16px}
.convert-actions{display:flex;align-items:center;gap:12px}
.convert-close{
  width:32px;height:32px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;border:none;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;
  transition:all .25s ease;
}
.convert-close:hover{background:var(--accent);color:var(--dark)}
@media screen and (min-width:641px){
  .convert-bar{left:auto;right:28px;bottom:28px;width:auto;max-width:520px;border-radius:16px;padding:14px 20px;border-top:none}
}
@media screen and (max-width:640px){
  .convert-bar p{font-size:13px}
  .convert-bar-inner{flex-direction:column;text-align:center}
  .convert-actions{width:100%;justify-content:center}
}

/* 基础可访问性 */
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:var(--dark)}

/* roulang page: category4 */
:root {
    --primary: #0F6E5A;
    --primary-dark: #0A5344;
    --accent: #D9A441;
    --accent-dark: #C08F35;
    --bg-warm: #F7F4EE;
    --bg-dark: #0E231C;
    --text-main: #1F2A24;
    --text-secondary: #5C6B63;
    --border-color: rgba(15,110,90,0.14);
    --card-shadow: 0 2px 8px rgba(14,35,28,0.06);
    --card-shadow-hover: 0 10px 28px rgba(14,35,28,0.12);
    --radius: 10px;
    --radius-btn: 6px;
    --radius-lg: 12px;
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --spacer-section: 88px;
    --spacer-section-sm: 56px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color .3s;
}

ul, ol {
    list-style: none;
}

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

input, textarea {
    font-family: inherit;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ===== Header / Nav ===== */
.site-header {
    position: relative;
    z-index: 200;
    background: transparent;
}

.site-header.is-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    background: rgba(15,110,90,0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(14,35,28,0.2);
}

body.has-fixed-header {
    padding-top: 64px;
}

.top-bar {
    padding: 0 clamp(20px, 3vw, 40px);
    height: 64px;
    background: transparent;
    border: none;
    line-height: 64px;
}

.top-bar-left, .top-bar-right {
    background: transparent;
    box-shadow: none;
}

.top-bar-left {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 14px;
    height: 64px;
    justify-content: flex-end;
}

.top-bar ul.menu {
    background: transparent;
    display: flex;
    align-items: center;
    gap: 4px;
}

.top-bar ul.menu li {
    line-height: 1.4;
}

.top-bar ul.menu a {
    display: inline-block;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    border-radius: 6px;
    line-height: 1.4;
    transition: background .3s, color .3s;
}

.top-bar ul.menu a:hover {
    background: rgba(15,110,90,0.08);
    color: var(--primary);
}

.top-bar ul.menu a.active {
    background: rgba(15,110,90,0.12);
    color: var(--primary);
    font-weight: 700;
}

.site-header.is-sticky .top-bar ul.menu a {
    color: rgba(255,255,255,0.9);
}

.site-header.is-sticky .top-bar ul.menu a:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.site-header.is-sticky .top-bar ul.menu a.active {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.22rem;
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.site-header.is-sticky .brand-logo {
    color: #fff;
}

.header-cta-btn {
    white-space: nowrap;
}

.title-bar {
    background: var(--primary);
    color: #fff;
    padding: 12px 16px;
    position: relative;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.title-bar-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}

.title-bar .menu-icon {
    color: #fff;
    margin-left: auto;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    background: var(--accent);
    color: var(--bg-dark);
    border: 1px solid var(--accent);
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    transition: all .3s ease;
    box-shadow: 0 4px 12px rgba(217,164,65,0.25);
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(217,164,65,0.3);
    color: var(--bg-dark);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(217,164,65,0.2);
}

.btn-primary.btn-sm {
    height: 36px;
    padding: 0 18px;
    font-size: 14px;
}

.btn-primary.btn-lg {
    height: 48px;
    padding: 0 36px;
    font-size: 16px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: transparent;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    transition: all .3s;
    white-space: nowrap;
}

.btn-outline:hover {
    background: rgba(15,110,90,0.08);
    transform: translateY(-2px);
}

.btn-outline:active {
    transform: translateY(0);
}

.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    border: 1.5px solid rgba(255,255,255,0.8);
    color: #fff;
    background: transparent;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    transition: all .3s;
    white-space: nowrap;
}

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

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--primary);
    font-size: 14px;
    transition: gap .3s;
}

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

/* Hero Split */
.hero-split {
    display: flex;
    width: 100%;
    min-height: 640px;
    background: var(--bg-warm);
}

.split-left {
    flex: 0 0 58%;
    max-width: 58%;
    display: flex;
    flex-direction: column;
    background: var(--bg-warm);
}

.split-right {
    flex: 1;
    position: relative;
    min-height: 560px;
    overflow: hidden;
    background: var(--bg-dark);
}

.split-visual {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 32px 32px 40px;
}

.visual-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(150deg, rgba(14,35,28,0.55) 0%, rgba(15,110,90,0.25) 100%);
}

.header-access {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: flex-end;
}

.search-mini {
    display: flex;
    background: #fff;
    border-radius: var(--radius-btn);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(14,35,28,0.15);
    height: 40px;
}

.search-mini input {
    border: none;
    outline: none;
    padding: 0 12px;
    width: 180px;
    font-size: 14px;
    color: var(--text-main);
}

.search-mini button {
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    width: 40px;
    font-size: 15px;
    transition: background .3s;
}

.search-mini button:hover {
    background: var(--accent-dark);
}

.hero-visual-cards {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.float-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.92);
    border-radius: var(--radius);
    padding: 14px 16px;
    box-shadow: 0 8px 24px rgba(14,35,28,0.15);
    max-width: 280px;
}

.float-card-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.float-card strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
    color: var(--text-main);
}

.float-card span {
    font-size: 12px;
    color: var(--text-secondary);
}

.hero-content {
    padding: 0 clamp(24px, 4vw, 56px) 56px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 620px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(15,110,90,0.08);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
    width: fit-content;
}

.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.hero-content h1 {
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.3;
    margin-bottom: 18px;
    color: var(--text-main);
    font-weight: 800;
}

.hero-content h1 .highlight {
    color: var(--primary);
}

.hero-content > p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 30px;
}

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

/* Section base */
.section {
    padding: var(--spacer-section) 0;
}

.section-mark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-dark);
    letter-spacing: 2px;
    margin-bottom: 14px;
}

.section-mark::after {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--accent);
}

.section-head {
    max-width: 580px;
    margin-bottom: 40px;
}

.section-head h2 {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-main);
}

.section-head p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 0;
}

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

.section-head.center .section-mark {
    justify-content: center;
}

/* section backgrounds */
.section-steps {
    background: #fff;
}

.section-directory {
    background: var(--bg-warm);
}

.section-tips {
    background: var(--bg-dark);
    color: #fff;
}

.section-tips .section-head h2,
.section-tips .section-head .section-mark {
    color: #fff;
}

.section-tips .section-mark::after {
    background: var(--accent);
}

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

.section-faq {
    background: #fff;
}

.section-cta {
    background: var(--bg-warm);
}

/* Catalog grid */
.catalog-grid {
    margin: 0 -12px;
}

.catalog-col {
    padding: 12px;
}

.catalog-card {
    background: #fff;
    border: 1px solid rgba(15,110,90,0.12);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    box-shadow: var(--card-shadow);
    transition: box-shadow .3s, transform .3s;
    position: relative;
}

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

.catalog-card-current {
    border: 2px solid rgba(15,110,90,0.45);
}

.catalog-card-img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.catalog-card-body {
    padding: 20px 20px 24px;
}

.catalog-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.catalog-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.catalog-num {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent);
    color: var(--bg-dark);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(14,35,28,0.2);
}

/* Steps */
.step-list {
    margin: 0;
}

.step-item {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(15,110,90,0.1);
}

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

.step-num {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(15,110,90,0.08);
    color: var(--primary);
    font-weight: 800;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed rgba(15,110,90,0.35);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.step-content p {
    font-size: 15px;
    color: var(--text-secondary);
}

.steps-tip {
    background: rgba(217,164,65,0.12);
    border-left: 3px solid var(--accent);
    padding: 16px;
    border-radius: 4px 8px 8px 4px;
    margin-top: 28px;
    display: flex;
    gap: 12px;
}

.steps-tip i {
    color: var(--accent-dark);
    font-size: 18px;
    margin-top: 2px;
}

.steps-tip p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Directory */
.directory-grid {
    margin: 0 -12px;
}

.dir-group {
    padding: 12px;
}

.dir-card {
    background: #fff;
    border: 1px solid rgba(15,110,90,0.12);
    border-radius: var(--radius);
    padding: 22px;
    height: 100%;
    box-shadow: var(--card-shadow);
    transition: transform .3s, box-shadow .3s;
}

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

.dir-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dir-card h3 i {
    width: 26px;
    height: 26px;
    background: rgba(15,110,90,0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.dir-card ul li {
    padding: 6px 0;
    border-bottom: 1px dashed rgba(15,110,90,0.1);
}

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

.dir-card ul a {
    font-size: 14px;
    color: var(--text-main);
    transition: color .3s;
}

.dir-card ul a:hover {
    color: var(--primary);
}

/* Tips */
.tips-grid {
    margin: 0 -12px;
}

.tips-grid .columns {
    padding: 12px;
}

.tip-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 28px;
    height: 100%;
    transition: background .3s, transform .3s;
}

.tip-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-3px);
}

.tip-card i {
    font-size: 26px;
    color: var(--accent);
    margin-bottom: 12px;
}

.tip-card h3 {
    font-size: 17px;
    color: #fff;
    margin-bottom: 8px;
}

.tip-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 0;
}

/* FAQ */
.faq-accordion {
    background: #fff;
    border: 1px solid rgba(15,110,90,0.12);
    border-radius: var(--radius);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid rgba(15,110,90,0.1);
}

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

.accordion-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    font-weight: 600;
    font-size: 16px;
    color: var(--text-main);
    background: transparent;
    transition: background .3s;
    margin: 0;
    cursor: pointer;
}

.accordion-title:hover {
    background: rgba(15,110,90,0.04);
    color: var(--text-main);
}

.accordion-item.is-active .accordion-title {
    background: rgba(15,110,90,0.03);
    color: var(--primary);
}

.q-mark {
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.q-text {
    flex: 1;
}

.accordion-icon {
    font-size: 24px;
    font-weight: 400;
    color: var(--primary);
    transition: transform .3s;
    line-height: 1;
}

.accordion-item.is-active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    font-size: 15px;
}

.accordion-content p {
    margin-bottom: 0;
}

/* CTA */
.cta-panel {
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    padding: 60px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-panel::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border: 1px solid rgba(217,164,65,0.3);
    border-radius: 50%;
    top: -80px;
    right: -60px;
}

.cta-panel::after {
    content: '';
    position: absolute;
    width: 140px;
    height: 140px;
    border: 1px solid rgba(217,164,65,0.2);
    border-radius: 50%;
    bottom: -60px;
    left: -40px;
}

.cta-panel h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.cta-panel p {
    max-width: 540px;
    margin: 0 auto 28px;
    color: rgba(255,255,255,0.75);
    font-size: 16px;
    position: relative;
    z-index: 1;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* Footer */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 40px;
}

.site-footer .brand-logo {
    color: #fff;
}

.site-footer .brand-icon {
    background: var(--accent);
    color: var(--bg-dark);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-top: 12px;
    max-width: 300px;
}

.footer-col h4 {
    font-size: 15px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 14px;
}

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

.footer-col ul a {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    transition: color .3s;
}

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

#restoreConvertBar {
    display: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
}

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

/* Convert bar */
.convert-bar {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1200;
    display: none;
    background: #fff;
    border: 1px solid rgba(15,110,90,0.2);
    border-radius: 12px;
    padding: 14px 18px;
    box-shadow: 0 12px 32px rgba(14,35,28,0.16);
    max-width: 420px;
    gap: 10px;
    align-items: center;
}

.convert-bar.is-visible {
    display: flex;
}

.convert-text {
    font-size: 14px;
    color: var(--text-main);
    font-weight: 500;
    line-height: 1.5;
}

.convert-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    padding: 4px;
    transition: color .3s;
}

.convert-close:hover {
    color: var(--primary);
}

.body-pad-bottom {
    height: 0;
    transition: height .3s;
}

.body-pad-bottom.show {
    height: 76px;
}

/* Responsive */
@media (max-width: 1023.98px) {
    .hero-split {
        flex-direction: column;
    }

    .split-left {
        flex: 1 1 auto;
        max-width: 100%;
    }

    .split-right {
        min-height: 300px;
    }

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

    .hero-content {
        padding: 48px 20px 40px;
    }

    .split-visual {
        padding: 20px;
    }

    .header-access {
        justify-content: flex-start;
    }

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

    .top-bar {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        height: auto;
        background: #fff;
        box-shadow: 0 12px 24px rgba(14,35,28,0.15);
        padding: 16px;
        line-height: 1.5;
        z-index: 1060;
    }

    .top-bar.expanded {
        display: block;
    }

    .top-bar-left,
    .top-bar-right {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        height: auto;
        gap: 0;
    }

    .top-bar-right {
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid rgba(15,110,90,0.14);
    }

    .top-bar ul.menu {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }

    .top-bar ul.menu a {
        padding: 10px 12px;
        font-size: 15px;
        display: block;
    }

    .header-cta-btn {
        margin-top: 12px;
        width: 100%;
        text-align: center;
    }

    body.has-fixed-header {
        padding-top: 0;
    }

    .site-header.is-sticky {
        position: fixed;
        background: rgba(15,110,90,0.95);
    }
}

@media (max-width: 639.98px) {
    .hero-content h1 {
        font-size: 28px;
    }

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

    .section-head h2 {
        font-size: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .cta-panel {
        padding: 40px 20px;
    }

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

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

    .catalog-card-img img {
        height: 150px;
    }

    .step-num {
        flex-basis: 40px;
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    .step-item {
        gap: 14px;
    }

    .convert-bar {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: none;
        justify-content: space-between;
        border-radius: 10px;
    }

    .convert-text {
        font-size: 13px;
    }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root{
            --primary:#0F6E5A;
            --accent:#D9A441;
            --bg:#F7F4EE;
            --dark:#0E231C;
            --text:#1F2A24;
            --muted:#5C6B63;
            --border:rgba(15,110,90,.14);
            --line:rgba(15,110,90,.14);
            --white:#FFFFFF;
            --radius:10px;
            --radius-lg:16px;
            --btn-radius:6px;
            --shadow:0 2px 8px rgba(14,35,28,.06);
            --shadow-lg:0 10px 28px rgba(14,35,28,.12);
            --space:90px;
        }
        /* ========== Reset ========== */
        *,*::before,*::after{box-sizing:border-box;}
        html{margin:0;padding:0;scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
        body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);}
        h1,h2,h3,h4,h5,h6{margin:0 0 16px;font-weight:800;line-height:1.4;color:var(--text);}
        p{margin:0 0 20px;}
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
        img{max-width:100%;display:block;}
        ul,ol{margin:0;padding:0;list-style:none;}
        button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
        input,textarea{border:0;outline:none;font-family:inherit;}

        .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
        [class*="grid-x"]{max-width:100%;}

        /* ========== 按钮体系 ========== */
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            height:44px;padding:0 26px;font-size:15px;font-weight:700;line-height:1;
            border:2px solid transparent;border-radius:var(--btn-radius);
            transition:all .25s ease;white-space:nowrap;
        }
        .btn-accent{background:var(--accent);color:var(--dark);}
        .btn-accent:hover{background:#C8942E;transform:translateY(-2px);box-shadow:0 8px 20px rgba(217,164,65,.3);color:var(--dark);}
        .btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
        .btn-outline:hover{background:rgba(15,110,90,.1);color:var(--primary);transform:translateY(-2px);}
        .btn-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent;}
        .btn-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px);}
        .btn-white{background:#fff;color:var(--dark);}
        .btn-white:hover{background:var(--accent);color:var(--dark);transform:translateY(-2px);}
        .btn-sm{height:40px;padding:0 18px;font-size:14px;}

        /* ========== 区块标题 ========== */
        .section-tag{
            display:inline-flex;align-items:center;gap:10px;
            font-size:14px;font-weight:700;letter-spacing:.08em;
            color:var(--primary);margin-bottom:8px;text-transform:uppercase;
        }
        .section-tag::before{content:"";width:22px;height:5px;border-radius:3px;background:var(--accent);flex:0 0 auto;}
        .section-title{font-size:34px;letter-spacing:-.01em;}
        .section-desc{font-size:17px;color:var(--muted);max-width:720px;}

        .btn:active,.nav-link:active,.accordion-btn:active,.convert-close:active,.menu-toggle:active{transform:translateY(1px);box-shadow:none;}
        :focus-visible{outline:3px solid rgba(217,164,65,.55);outline-offset:2px;border-radius:4px;}

        /* ========== Header / 导航 ========== */
        .site-header{
            position:fixed;top:0;left:0;right:0;z-index:80;
            height:76px;background:transparent;
            transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
            -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
        }
        .site-header::before{
            content:"";position:absolute;left:0;top:0;width:100%;height:100%;
            background:linear-gradient(90deg,rgba(247,244,238,.96) 0%,rgba(247,244,238,.92) 46%,rgba(247,244,238,.12) 70%,rgba(14,35,28,.18) 100%);
            z-index:-1;transition:background .35s ease;
        }
        .site-header.scrolled{box-shadow:0 8px 28px rgba(14,35,28,.15);}
        .site-header.scrolled::before{background:rgba(15,110,90,.96);}
        .site-header.scrolled .header-shell .brand-text{color:#fff;}
        .site-header.scrolled .nav-link{color:rgba(255,255,255,.88);}
        .site-header.scrolled .nav-link.active{color:#fff;}
        .header-shell{display:flex;height:76px;align-items:center;gap:18px;position:relative;}
        .brand-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
        .brand-icon{
            width:38px;height:38px;border-radius:10px;background:var(--primary);
            color:#fff;display:inline-flex;align-items:center;justify-content:center;
            font-size:17px;box-shadow:var(--shadow);
        }
        .brand-text{font-size:18px;font-weight:800;color:var(--dark);letter-spacing:-.01em;white-space:nowrap;transition:color .3s ease;}
        .main-nav{display:flex;align-items:center;gap:4px;margin-left:10px;margin-right:auto;}
        .nav-link{
            display:inline-flex;align-items:center;padding:8px 6px;margin:0 2px;
            font-size:14px;font-weight:500;color:var(--text);position:relative;white-space:nowrap;
        }
        .nav-link::after{
            content:"";position:absolute;left:6px;right:6px;bottom:1px;height:2px;border-radius:2px;
            background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .25s ease;
        }
        .nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
        .nav-link.active{color:var(--primary);font-weight:700;}
        .nav-link.active::after{transform:scaleX(1);}
        .site-header.scrolled .nav-link.active{color:var(--accent);}
        .header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;padding-left:6px;}
        .menu-toggle{display:none;}

        /* ========== Hero 首屏 ========== */
        .page-hero{position:relative;padding:172px 0 96px;overflow:hidden;background:var(--bg);}
        .hero-breadcrumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap;}
        .hero-breadcrumbs a{color:var(--primary);font-weight:600;}
        .hero-breadcrumbs a:hover{color:var(--accent);}
        .hero-breadcrumbs i{font-size:12px;color:rgba(15,110,90,.4);}
        .hero-title{font-size:42px;line-height:1.3;letter-spacing:-.02em;margin-bottom:20px;}
        .hero-title .h1-sub{display:block;font-size:26px;color:var(--primary);font-weight:700;margin-top:10px;letter-spacing:.02em;}
        .hero-lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:34px;}
        .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
        .hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
        .hero-chip{
            display:inline-flex;align-items:center;gap:6px;padding:7px 13px;
            background:rgba(15,110,90,.09);color:var(--primary);
            font-size:13px;border-radius:20px;font-weight:600;
        }
        .hero-chip i{font-size:13px;color:var(--accent);}
        .hero-visual{
            position:relative;border-radius:20px;overflow:hidden;
            min-height:390px;background:var(--dark);box-shadow:var(--shadow-lg);
        }
        .hero-visual img.hero-back{
            position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.78;
        }
        .hero-veil{position:absolute;inset:0;background:linear-gradient(200deg,transparent 35%,rgba(14,35,28,.82) 100%);}
        .hero-float{
            position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
            background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
            border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-lg);
        }
        .hero-float h4{font-size:15px;margin-bottom:8px;color:var(--dark);display:flex;align-items:center;gap:8px;}
        .hero-float h4 i{color:var(--accent);}
        .hero-float p{font-size:13px;color:var(--muted);margin:0;line-height:1.6;}
        .hero-badge{
            position:absolute;top:18px;right:18px;z-index:2;
            display:inline-flex;align-items:center;gap:6px;
            background:var(--accent);color:var(--dark);padding:7px 13px;
            border-radius:20px;font-size:13px;font-weight:700;box-shadow:var(--shadow);
        }

        /* ========== 平台介绍 ========== */
        .section-block{padding:var(--space) 0;}
        .section-white{background:#fff;}
        .section-warm{background:var(--bg);}
        .platform-intro .cell{padding-bottom:.01rem;}
        .platform-media{position:relative;padding:20px;}
        .platform-media::before{
            content:"";position:absolute;left:0;top:0;width:120px;height:120px;
            border-left:3px solid var(--accent);border-top:3px solid var(--accent);
            border-radius:14px 0 0 0;
        }
        .platform-media::after{
            content:"";position:absolute;right:0;bottom:0;width:120px;height:120px;
            border-right:3px solid var(--primary);border-bottom:3px solid var(--primary);
            border-radius:0 0 14px 0;
        }
        .media-frame{
            position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);
        }
        .media-frame img{width:100%;height:430px;object-fit:cover;}
        .media-caption{
            position:absolute;left:14px;bottom:14px;color:#fff;font-size:13px;font-weight:600;
            background:rgba(14,35,28,.78);padding:6px 14px;border-radius:20px;z-index:2;
            backdrop-filter:blur(4px);
        }
        .check-list{margin-top:18px;display:grid;gap:12px;}
        .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);}
        .check-list li i{color:var(--primary);padding-top:5px;font-size:14px;}
        .platform-intro .btn{margin-top:8px;}

        /* ========== 阅读价值 / dark ========== */
        .section-dark{background:var(--dark);color:#D8E4DE;}
        .section-dark .section-title{color:#fff;}
        .section-dark .section-desc{color:#A8B9B0;}
        .section-dark .section-tag{color:var(--accent);}
        .value-list{display:flex;flex-direction:column;margin-top:24px;border-bottom:1px solid rgba(255,255,255,.1);}
        .value-row{
            display:flex;gap:22px;padding:30px 6px;border-top:1px solid rgba(255,255,255,.1);
            transition:background .3s ease;
        }
        .value-row:hover{background:rgba(217,164,65,.06);}
        .value-no{
            font-size:18px;font-weight:800;color:var(--accent);
            background:rgba(217,164,65,.16);width:44px;height:44px;border-radius:12px;
            display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
        }
        .value-row h3{color:#fff;font-size:18px;margin-bottom:6px;}
        .value-row p{margin:0;font-size:14px;color:#A8B9B0;line-height:1.7;}
        .guide-note-card{
            background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
            border-radius:20px;padding:34px;position:relative;overflow:hidden;margin-top:20px;
        }
        .guide-note-card::after{
            content:"";position:absolute;right:-40px;bottom:-40px;width:150px;height:150px;
            border:24px solid rgba(217,164,65,.12);border-radius:50%;
        }
        .guide-note-card h4{color:var(--accent);font-size:15px;margin-bottom:16px;letter-spacing:.06em;}
        .guide-note-card p{color:#C8D6CF;font-size:15px;}
        .guide-note-list{margin-top:14px;display:grid;gap:10px;}
        .guide-note-list li{display:flex;gap:8px;font-size:14px;color:#E6EFEA;}
        .guide-note-list li i{color:var(--accent);font-size:12px;padding-top:5px;}

        /* ========== 访问流程 ========== */
        .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;}
        .step-card{
            background:#fff;border:1px solid var(--border);border-radius:14px;
            padding:28px 22px 24px;box-shadow:var(--shadow);position:relative;
            transition:transform .25s ease,box-shadow .25s ease;
        }
        .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
        .step-no{
            width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;
            display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
            margin-bottom:18px;box-shadow:0 6px 14px rgba(15,110,90,.22);
        }
        .step-card h3{font-size:18px;margin-bottom:10px;}
        .step-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;}

        /* ========== 内容信息位 ========== */
        .catalog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px;}
        .catalog-card{
            background:#fff;border:1px solid var(--border);border-radius:14px;
            padding:30px;position:relative;overflow:hidden;box-shadow:var(--shadow);
            transition:transform .25s ease,box-shadow .25s ease;
        }
        .catalog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
        .catalog-card .cat-icon{
            width:44px;height:44px;border-radius:12px;
            background:rgba(15,110,90,.12);color:var(--primary);
            display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
        }
        .catalog-card h3{font-size:19px;margin-bottom:8px;}
        .catalog-card p{font-size:14px;color:var(--muted);margin-bottom:16px;}
        .catalog-list{display:grid;gap:10px;}
        .catalog-list li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--text);}
        .catalog-list li i{color:var(--accent);font-size:13px;padding-top:4px;}
        .card-link{
            display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
            color:var(--primary);margin-top:6px;
        }
        .card-link:hover{color:var(--accent);gap:10px;}
        .catalog-card:last-child{grid-column:1 / -1;background:var(--dark);border-color:var(--dark);}
        .catalog-card:last-child .catalog-list li,.catalog-card:last-child p{color:#B8C9C0;}
        .catalog-card:last-child h3{color:#fff;}
        .catalog-card:last-child .cat-icon{background:var(--accent);color:var(--dark);}

        /* ========== 快捷入口 ========== */
        .sitemap-links{
            background:#fff;border:1px solid var(--border);border-radius:16px;
            padding:28px 30px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
        }
        .sitemap-links a{
            display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;
            background:rgba(15,110,90,.06);border:1px solid rgba(15,110,90,.08);
            font-weight:600;color:var(--primary);font-size:15px;
        }
        .sitemap-links a i{color:var(--accent);font-size:13px;transition:transform .2s ease;}
        .sitemap-links a:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
        .sitemap-links a:hover i{transform:translateX(4px);color:var(--accent);}

        /* ========== FAQ ========== */
        .faq-wrap{max-width:820px;margin:40px auto 0;}
        .accordion-item{
            background:#fff;border:1px solid var(--border);border-radius:14px;
            overflow:hidden;margin-bottom:14px;box-shadow:var(--shadow);
            transition:box-shadow .25s ease;
        }
        .accordion-item.is-open{box-shadow:var(--shadow-lg);border-color:rgba(15,110,90,.28);}
        .accordion-btn{
            display:flex;align-items:center;gap:16px;width:100%;text-align:left;
            padding:22px 26px;background:transparent;color:var(--text);font-weight:600;font-size:16px;
        }
        .accordion-btn .q-round{
            flex:0 0 34px;width:34px;height:34px;border-radius:50%;
            background:var(--primary);color:#fff;display:inline-flex;align-items:center;
            justify-content:center;font-size:14px;font-weight:800;
        }
        .accordion-btn .q-text{flex:1;}
        .accordion-btn .aq-icon{
            font-size:21px;color:var(--accent);font-weight:400;line-height:1;transition:transform .25s ease;
        }
        .accordion-item.is-open .aq-icon{transform:rotate(45deg);}
        .accordion-panel{display:none;padding:0 26px 24px 76px;color:var(--muted);font-size:15px;}

        /* ========== 底部CTA ========== */
        .section-final-cta{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:90px 0;}
        .section-final-cta::before{
            content:"";position:absolute;left:-90px;bottom:-90px;width:280px;height:280px;
            border:50px solid rgba(217,164,65,.1);border-radius:50%;
        }
        .cta-box{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
        .cta-box h2{color:#fff;font-size:34px;margin-bottom:16px;}
        .cta-box p{color:#A8B9B0;font-size:16px;margin-bottom:34px;}
        .cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

        /* ========== Footer ========== */
        .site-footer{background:var(--dark);color:#B4C5BC;padding:72px 0 30px;}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:46px;}
        .footer-brand .brand-logo{margin-bottom:16px;color:#fff;}
        .footer-brand p{font-size:14px;color:#A8B9B0;}
        .footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
        .footer-col ul li{margin-bottom:10px;}
        .footer-col ul li a{font-size:14px;color:#A8B9B0;}
        .footer-col ul li a:hover{color:var(--accent);padding-left:4px;}
        .footer-bottom{
            display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
            border-top:1px solid rgba(255,255,255,.1);padding-top:30px;font-size:13px;color:#85968E;
        }
        .footer-bottom a:hover{color:var(--accent);}
        .footer-bottom .domain{color:#B4C5BC;}

        /* ========== 底部悬浮转化条 ========== */
        .convert-bar{
            position:fixed;z-index:70;right:26px;bottom:24px;
            display:flex;align-items:center;gap:14px;
            background:var(--dark);color:#fff;border:1px solid rgba(255,255,255,.14);
            padding:9px 9px 9px 22px;border-radius:40px;
            box-shadow:0 14px 34px rgba(14,35,28,.35);transition:opacity .3s ease,transform .3s ease;
            opacity:0;transform:translateY(20px);pointer-events:none;
        }
        .convert-bar.show{opacity:1;transform:translateY(0);pointer-events:auto;}
        .convert-bar span{font-size:14px;font-weight:600;white-space:nowrap;}
        .convert-bar .btn{height:38px;padding:0 18px;font-size:14px;}
        .convert-close{
            width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
            color:rgba(255,255,255,.75);background:rgba(255,255,255,.08);font-size:15px;
        }
        .convert-close:hover{color:#fff;background:rgba(255,255,255,.18);}

        /* ========== 响应式 ========== */
        @media screen and (max-width:1023.98px){
            .menu-toggle{
                display:inline-flex;align-items:center;justify-content:center;
                width:42px;height:42px;border-radius:8px;color:#fff;
                border:1px solid rgba(255,255,255,.3);background:transparent;
                font-size:16px;
            }
            .site-header{height:64px;}
            .site-header::before{background:rgba(15,110,90,.97);}
            .site-header.scrolled::before{background:rgba(15,110,90,.98);}
            .header-shell{height:64px;}
            .site-header .brand-text{color:#fff;}
            .header-tools{display:none;}
            .main-nav{
                position:fixed;top:64px;left:0;right:0;
                background:var(--dark);flex-direction:column;align-items:stretch;
                max-height:0;overflow:hidden;visibility:hidden;opacity:0;
                transition:max-height .35s ease,opacity .25s ease,visibility .25s ease;
                padding:0 20px;
            }
            .main-nav.nav-open{max-height:calc(100vh - 64px);visibility:visible;opacity:1;overflow-y:auto;padding:10px 20px 28px;}
            .main-nav .nav-link{padding:14px 6px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);font-size:17px;}
            .main-nav .nav-link:last-child{border-bottom:0;}
            .page-hero{padding:120px 0 70px;}
            .hero-title{font-size:36px;}
            .hero-title .h1-sub{font-size:23px;}
            .hero-visual{min-height:310px;margin-top:36px;}
            .step-grid{grid-template-columns:1fr 1fr;}
            .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
            .convert-bar{left:14px;right:14px;bottom:14px;border-radius:16px;background:var(--dark);}
            .convert-bar span{white-space:normal;line-height:1.4;}
        }
        @media screen and (max-width:767.98px){
            :root{--space:60px;}
            .section-title{font-size:28px;}
            .platform-media{margin-bottom:20px;}
            .media-frame img{height:300px}
            .value-row{padding:22px 4px;}
            .catalog-grid{grid-template-columns:1fr;}
            .catalog-card:last-child{grid-column:auto;}
            .footer-grid{grid-template-columns:1fr;}
            .sitemap-links{grid-template-columns:1fr;}
            .cta-box h2{font-size:27px;}
            .page-hero{padding:110px 0 60px;}
            .hero-lead{font-size:15px;}
            .step-grid{grid-template-columns:1fr;}
            .hero-chips{flex-wrap:wrap;}
            .accordion-panel{padding-left:32px;padding-right:18px;}
        }
        @media screen and (min-width:1024px){
            .header-tools{min-width:186px;justify-content:flex-end;}
        }
        html.no-scroll{overflow:hidden;}