/* roulang page: index */
:root {
    --primary: #9E2B25;
    --primary-hover: #AD312B;
    --primary-light: rgba(158, 43, 37, 0.10);
    --secondary: #C6A15B;
    --secondary-light: rgba(198, 161, 91, 0.20);
    --paper: #F7F2EA;
    --ink: #242021;
    --muted: #76716D;
    --line: #E5DCCF;
    --success: #2F7D5B;
    --warning: #C76D2E;
    --error: #B3261E;
    --card-bg: #FFFFFF;
    --card-alt: #F1EAE0;
    --radius-card: 16px;
    --radius-btn: 999px;
    --shadow-sm: 0 1px 3px rgba(36, 32, 33, 0.06);
    --shadow-md: 0 12px 32px rgba(36, 32, 33, 0.12);
    --shadow-lg: 0 24px 64px rgba(36, 32, 33, 0.16);
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
    background-color: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}
.container-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}
@media (min-width: 768px) {
    .container-wrap {
        padding: 0 1.5rem;
    }
}
@media (min-width: 1024px) {
    .container-wrap {
        padding: 0 2rem;
    }
}
/* ===== Header ===== */
.nav-blur {
    background: rgba(247, 242, 234, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.nav-status-bar {
    background: var(--secondary);
    color: #3a2810;
    font-size: 12px;
    text-align: center;
    padding: 6px 16px;
    letter-spacing: 0.04em;
    line-height: 1.4;
    font-weight: 500;
}
.nav-link {
    position: relative;
    color: var(--ink);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 2px;
    transition: color 0.25s;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--primary);
}
.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}
.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.logo-mark {
    width: 38px;
    height: 38px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    font-style: italic;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(158, 43, 37, 0.3);
}
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(47, 125, 91, 0.12);
    color: var(--success);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    white-space: nowrap;
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(47, 125, 91, 0.4);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 5px rgba(47, 125, 91, 0);
    }
}
/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(158, 43, 37, 0.35);
    transition: all 0.25s ease;
    min-height: 44px;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(158, 43, 37, 0.42);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(158, 43, 37, 0.3);
}
.btn-primary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--primary);
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid var(--primary);
    transition: all 0.25s ease;
    min-height: 44px;
    cursor: pointer;
    white-space: nowrap;
}
.btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}
.btn-outline:active {
    transform: translateY(0);
}
.btn-outline:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--paper);
    color: var(--ink);
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid var(--ink);
    transition: all 0.25s ease;
    min-height: 44px;
    cursor: pointer;
}
.btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.btn-lg {
    padding: 15px 36px;
    font-size: 16px;
    min-height: 52px;
}
/* ===== Cards & Badges ===== */
.category-badge {
    display: inline-block;
    background: rgba(198, 161, 91, 0.20);
    color: #7a5c2c;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}
.version-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 6px;
    letter-spacing: 0.02em;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
}
/* ===== Hero ===== */
.hero-section {
    position: relative;
    overflow: hidden;
    padding: 72px 0 72px;
    background-color: var(--paper);
}
@media (min-width: 1024px) {
    .hero-section {
        padding: 96px 0 96px;
    }
}
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(247, 242, 234, 0.96) 0%, rgba(247, 242, 234, 0.88) 30%, rgba(247, 242, 234, 0.4) 80%, rgba(247, 242, 234, 0.15) 100%);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(158, 43, 37, 0.10);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
    border: 1px solid rgba(158, 43, 37, 0.2);
}
.hero-title {
    font-size: 40px;
    line-height: 1.15;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: 18px;
    max-width: 680px;
}
@media (min-width: 768px) {
    .hero-title {
        font-size: 48px;
    }
}
@media (min-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }
}
.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--muted);
    max-width: 540px;
    margin-bottom: 32px;
}
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    font-size: 14px;
    color: var(--muted);
}
.hero-trust .dot-sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--secondary);
    display: inline-block;
}
/* ===== Pass Card ===== */
.pass-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--line);
    overflow: hidden;
    max-width: 420px;
    margin-left: auto;
    position: relative;
}
.pass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--primary);
    z-index: 1;
}
.pass-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 0;
}
.pass-brand {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--muted);
}
.pass-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(47, 125, 91, 0.12);
    color: var(--success);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
}
.pass-body {
    padding: 10px 24px 20px;
    text-align: center;
}
.pass-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    font-style: italic;
    margin: 12px auto 12px;
    box-shadow: 0 4px 16px rgba(158, 43, 37, 0.3);
}
.pass-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.3;
}
.pass-desc {
    font-size: 14px;
    color: var(--muted);
    margin-top: 4px;
}
.pass-details {
    margin-top: 20px;
    border-top: 1px solid var(--line);
    text-align: left;
}
.pass-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 4px;
    border-bottom: 1px dashed var(--line);
    font-size: 14px;
}
.pass-row:last-child {
    border-bottom: none;
}
.pass-row span:first-child {
    color: var(--muted);
}
.pass-row span:last-child {
    font-weight: 600;
    color: var(--ink);
}
.pass-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: var(--card-alt);
    font-size: 12px;
    color: var(--muted);
}
/* ===== Sections ===== */
.section-spacing {
    padding: 64px 0;
}
@media (min-width: 1024px) {
    .section-spacing {
        padding: 96px 0;
    }
}
.section-title {
    font-size: 28px;
    line-height: 1.25;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 12px;
}
.section-desc {
    font-size: 16px;
    color: var(--muted);
    max-width: 640px;
    line-height: 1.7;
}
/* ===== News Cards ===== */
.feature-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}
.feature-card:hover {
    border-color: rgba(158, 43, 37, 0.4);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.feature-card:hover .feature-card-img img {
    transform: scale(1.03);
}
.feature-card-img {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    flex-shrink: 0;
}
.feature-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.feature-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.feature-card-content h3 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--ink);
    transition: color 0.2s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.feature-card:hover h3 {
    color: var(--primary);
}
.feature-card-content p {
    font-size: 14px;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.7;
}
.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 12px;
    font-size: 13px;
    color: var(--muted);
}
.read-more {
    font-weight: 600;
    color: var(--primary);
    transition: letter-spacing 0.2s;
}
.feature-card:hover .read-more {
    letter-spacing: 0.05em;
}
.news-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}
.news-card:hover {
    border-color: rgba(158, 43, 37, 0.4);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.news-card:hover .news-card-img img {
    transform: scale(1.03);
}
.news-card-img {
    overflow: hidden;
    aspect-ratio: 16 / 10;
}
.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.news-card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
.news-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--ink);
    transition: color 0.2s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card:hover h3 {
    color: var(--primary);
}
.news-card-body p {
    font-size: 14px;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}
.empty-state {
    grid-column: span 12;
    border: 2px dashed var(--line);
    border-radius: var(--radius-card);
    padding: 56px 24px;
    text-align: center;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.5);
}
.empty-state .empty-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}
/* ===== Steps ===== */
.steps-wrap {
    position: relative;
    padding-left: 32px;
}
.steps-wrap::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--line);
}
.step-item {
    position: relative;
    margin-bottom: 48px;
}
.step-item:last-child {
    margin-bottom: 0;
}
.step-num {
    position: absolute;
    left: -32px;
    top: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--secondary);
    color: #3a2810;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px var(--paper);
    z-index: 1;
}
.step-card {
    background: var(--card-bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 24px 28px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}
.step-card:hover {
    border-color: rgba(158, 43, 37, 0.3);
    box-shadow: var(--shadow-md);
}
.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}
.step-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
}
/* ===== Trust Grid ===== */
.trust-item {
    background: var(--card-bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}
.trust-item:hover {
    border-color: rgba(158, 43, 37, 0.3);
    box-shadow: var(--shadow-md);
}
.trust-item .trust-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    color: var(--primary);
}
.trust-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}
.trust-item p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}
/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
}
.faq-item {
    border-bottom: 1px solid var(--line);
}
.faq-item:first-child {
    border-top: 1px solid var(--line);
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    transition: color 0.2s;
}
.faq-question:hover {
    color: var(--primary);
}
.faq-question .faq-q {
    color: var(--primary);
    font-weight: 800;
    margin-right: 6px;
}
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    color: var(--primary);
    font-size: 18px;
    font-weight: 400;
    transition: transform 0.3s, background 0.3s;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-answer-inner {
    padding: 0 8px 22px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
}
/* ===== CTA ===== */
.cta-wrap {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 48px 32px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}
@media (min-width: 768px) {
    .cta-wrap {
        padding: 56px 64px;
    }
}
.cta-wrap::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
}
.cta-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
}
.cta-input {
    height: 48px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    font-size: 14px;
    color: var(--ink);
    width: 100%;
    transition: all 0.25s;
}
.cta-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(158, 43, 37, 0.2);
}
.cta-input::placeholder {
    color: #A9A29C;
}
.cta-note {
    font-size: 12px;
    color: var(--muted);
    margin-top: 10px;
}
/* ===== Footer ===== */
.site-footer {
    background: #1D1918;
    color: #ded8d0;
    padding: 64px 0 0;
}
.footer-brand {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.footer-desc {
    font-size: 14px;
    color: #8a837b;
    line-height: 1.7;
}
.footer-link {
    font-size: 14px;
    color: #b5aea5;
    padding: 4px 0;
    display: block;
    transition: color 0.2s;
}
.footer-link:hover {
    color: #fff;
}
.footer-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    margin-top: 48px;
    font-size: 13px;
    color: #8a837b;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--paper);
    z-index: 100;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}
.mobile-menu.open {
    transform: translateX(0);
}
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}
.mobile-menu a.nav-link {
    font-size: 18px;
    padding: 14px 0;
    display: block;
    border-bottom: 1px solid var(--line);
}
.mobile-menu .btn-primary {
    margin-top: auto;
    width: 100%;
}
.mobile-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(158, 43, 37, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    border: none;
}
.hamburger-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: transparent;
    cursor: pointer;
    border: 1px solid var(--line);
}
.hamburger-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.3s;
}
/* ===== Focus ===== */
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
/* ===== Media Queries ===== */
@media (max-width: 1023px) {
    .desktop-nav {
        display: none;
    }
}
@media (min-width: 1024px) {
    .mobile-only {
        display: none;
    }
}
@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }
    .section-title {
        font-size: 24px;
    }
    .cta-title {
        font-size: 22px;
    }
    .pass-card {
        margin: 32px auto 0;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: article */
:root {
            --primary: #9E2B25;
            --primary-hover: #B23A33;
            --secondary: #C6A15B;
            --paper: #F7F2EA;
            --paper-deep: #F1EAE0;
            --ink: #242021;
            --muted: #76716D;
            --line: #E5DCCF;
            --success: #2F7D5B;
            --warning: #C76D2E;
            --error: #B3261E;
            --card: #FFFFFF;
            --disabled-bg: #EDE7DE;
            --disabled-text: #A9A29C;
            --radius-card: 16px;
            --radius-input: 12px;
            --shadow-card: 0 1px 3px rgba(36, 32, 33, 0.06);
            --shadow-hover: 0 12px 32px rgba(36, 32, 33, 0.12);
            --shadow-primary: 0 4px 16px rgba(158, 43, 37, 0.35);
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-wrap {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-wrap {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-wrap {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .nav-blur {
            background: rgba(247, 242, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            border-radius: 12px;
            font-size: 18px;
            box-shadow: var(--shadow-primary);
            flex-shrink: 0;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 2px;
            transition: color .3s;
        }

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

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

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--ink);
            background: rgba(47, 125, 91, 0.08);
            border: 1px solid rgba(47, 125, 91, 0.25);
            padding: 6px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--success);
            display: inline-block;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            min-height: 44px;
            border-radius: 999px;
            box-shadow: var(--shadow-primary);
            transition: all .3s ease;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(158, 43, 37, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-primary);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            min-height: 44px;
            border-radius: 999px;
            transition: all .3s ease;
        }

        .btn-secondary:hover {
            background: rgba(158, 43, 37, 0.08);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--ink);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            min-height: 44px;
            border-radius: 999px;
            transition: all .3s ease;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 10px;
            transition: all .3s;
        }

        .hamburger-btn span {
            display: block;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all .3s;
        }

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

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

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

        .desktop-nav {
            display: none !important;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex !important;
            }
        }

        .mobile-only {
            display: flex !important;
        }

        @media (min-width: 1024px) {
            .mobile-only {
                display: none !important;
            }
        }

        .nav-status-bar {
            background: var(--secondary);
            color: #4A2D1E;
            font-size: 12px;
            text-align: center;
            padding: 6px 16px;
            line-height: 1.6;
            letter-spacing: 0.02em;
        }

        .mobile-nav-drawer {
            display: none;
            background: var(--paper);
            border-bottom: 1px solid var(--line);
            padding: 20px 16px 28px;
        }

        .mobile-nav-drawer.open {
            display: block;
        }

        .mobile-nav-drawer .drawer-link {
            display: block;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            padding: 12px 8px;
            border-bottom: 1px solid var(--line);
        }

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

        .mobile-nav-drawer .drawer-link.active {
            color: var(--primary);
        }

        .mobile-nav-drawer .drawer-cta {
            margin-top: 16px;
        }

        .breadcrumb-wrap {
            border-bottom: 1px solid var(--line);
            background: var(--paper);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            color: var(--muted);
            padding: 12px 0;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color .3s;
        }

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

        .breadcrumb .sep {
            color: #C0B6AA;
        }

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

        .page-hero {
            position: relative;
            padding: 44px 0 36px;
            background-color: var(--paper);
            border-bottom: 1px solid var(--line);
        }

        .page-hero.hero-bg {
            background-image: linear-gradient(180deg, rgba(247, 242, 234, 0.94), rgba(247, 242, 234, 0.98)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }

        .page-hero h1 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--ink);
            margin: 16px 0 16px;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .page-hero h1 {
                font-size: 36px;
            }
        }

        .page-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: var(--muted);
            font-size: 14px;
        }

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

        .page-meta .meta-icon {
            color: var(--secondary);
            font-style: normal;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: #5B3A1E;
            background: rgba(198, 161, 91, 0.2);
            padding: 4px 12px;
            border-radius: 999px;
        }

        .article-section {
            padding: 48px 0 40px;
        }

        .article-box {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
        }

        @media (min-width: 768px) {
            .article-box {
                padding: 48px 48px;
            }
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: #3A3532;
        }

        .article-body h1,
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin: 40px 0 14px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin: 28px 0 10px;
        }

        .article-body p {
            margin: 0 0 1.5em;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5em;
            padding-left: 1.4em;
        }

        .article-body li {
            margin-bottom: 0.5em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--paper);
            padding: 16px 20px;
            margin: 0 0 1.5em;
            border-radius: 0 12px 12px 0;
            color: var(--muted);
        }

        .article-body img {
            border-radius: 16px;
            margin: 24px 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 0 0 1.5em;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-body th {
            background: var(--paper-deep);
            font-weight: 600;
            text-align: left;
            padding: 12px 14px;
            border: 1px solid var(--line);
        }

        .article-body td {
            padding: 12px 14px;
            border: 1px solid var(--line);
        }

        .article-body tr:nth-child(even) td {
            background: #FAF6F0;
        }

        .article-body code {
            background: #2B2726;
            color: #F7F2EA;
            padding: 2px 6px;
            border-radius: 6px;
            font-size: 14px;
        }

        .article-body pre {
            background: #2B2726;
            color: #F7F2EA;
            padding: 20px;
            border-radius: 14px;
            overflow-x: auto;
            margin-bottom: 1.5em;
        }

        .article-body pre code {
            background: none;
            padding: 0;
        }

        .empty-state {
            border: 2px dashed var(--line);
            border-radius: 16px;
            padding: 48px 24px;
            text-align: center;
            color: var(--muted);
            background: var(--card);
        }

        .related-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s, border-color .3s, transform .3s;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(158, 43, 37, 0.4);
            transform: translateY(-2px);
        }

        .related-card .related-img {
            width: 160px;
            height: 94px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }

        .related-card .related-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            transition: color .3s;
        }

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

        .related-card .related-meta {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
            line-height: 1.5;
        }

        .back-top {
            width: 44px;
            height: 44px;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all .3s;
            background: transparent;
        }

        .back-top:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-primary);
        }

        .cta-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: rgba(198, 161, 91, 0.12);
            border-radius: 50%;
        }

        .cta-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.4;
        }

        .cta-desc {
            font-size: 14px;
            color: var(--muted);
            margin-top: 6px;
            line-height: 1.6;
        }

        .site-footer {
            background: #1D1918;
            color: rgba(247, 242, 234, 0.8);
            padding: 64px 0 0;
            margin-top: 80px;
        }

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

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(247, 242, 234, 0.68);
            margin-bottom: 12px;
            transition: color .3s;
        }

        .footer-link:hover {
            color: var(--secondary);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(247, 242, 234, 0.68);
        }

        .footer-bottom {
            border-top: 1px solid rgba(247, 242, 234, 0.12);
            margin-top: 48px;
            padding: 24px 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(247, 242, 234, 0.5);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
            }
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(158, 43, 37, 0.45);
            outline-offset: 2px;
            border-radius: 6px;
        }

/* roulang page: category1 */
:root {
            --primary: #9E2B25;
            --primary-light: #b83a33;
            --secondary: #C6A15B;
            --paper: #F7F2EA;
            --paper-dark: #F1EAE0;
            --ink: #242021;
            --muted: #76716D;
            --line: #E5DCCF;
            --white: #FFFFFF;
            --success: #2F7D5B;
            --warning: #C76D2E;
            --error: #B3261E;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 3px rgba(36, 32, 33, 0.06);
            --shadow-hover: 0 12px 32px rgba(36, 32, 33, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button {
            font-family: inherit;
        }

        .container-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-wrap {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-wrap {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .nav-blur {
            background: rgba(247, 242, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }

        .nav-link {
            color: var(--muted);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 2px;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--muted);
            background: rgba(47, 125, 91, 0.1);
            padding: 4px 14px;
            border-radius: 9999px;
            font-weight: 500;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            display: inline-block;
        }

        .nav-status-bar {
            background: linear-gradient(90deg, var(--secondary), #d4b67a);
            color: #3B2E1E;
            font-size: 12px;
            font-weight: 500;
            text-align: center;
            padding: 6px 16px;
            letter-spacing: 0.02em;
        }

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .hamburger-btn:hover {
            background: rgba(36, 32, 33, 0.04);
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger-btn.hamburger-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
            background: var(--primary);
        }

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

        .hamburger-btn.hamburger-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
            background: var(--primary);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--paper);
            border-bottom: 1px solid var(--line);
            padding: 12px 20px 24px;
            box-shadow: 0 12px 24px rgba(36, 32, 33, 0.08);
            flex-direction: column;
        }

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

        .mobile-menu-link {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            transition: color 0.2s;
        }

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

        .mobile-menu-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .mobile-menu-link:last-of-type {
            border-bottom: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: 9999px;
            min-height: 44px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(158, 43, 37, 0.35);
            border: none;
            cursor: pointer;
            line-height: 1.2;
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(158, 43, 37, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(158, 43, 37, 0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: 9999px;
            min-height: 44px;
            border: 1px solid var(--primary);
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.2;
        }

        .btn-secondary:hover {
            background: rgba(158, 43, 37, 0.08);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }

        .btn-cta-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 9999px;
            min-height: 44px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            border: none;
            cursor: pointer;
        }

        .btn-cta-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
        }

        .hero-section {
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hero-overlay {
            background: linear-gradient(100deg, rgba(247, 242, 234, 0.96) 0%, rgba(247, 242, 234, 0.88) 45%, rgba(247, 242, 234, 0.45) 100%);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(198, 161, 91, 0.22);
            color: #8B6D3F;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 9999px;
            letter-spacing: 0.02em;
        }

        .hero-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--ink);
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 40px;
            }
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.75;
            max-width: 560px;
        }

        .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--ink);
            font-weight: 500;
        }

        .trust-icon {
            width: 22px;
            height: 22px;
            background: rgba(47, 125, 91, 0.15);
            color: var(--success);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: #8B6D3F;
            background: rgba(198, 161, 91, 0.18);
            padding: 5px 14px;
            border-radius: 9999px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            letter-spacing: -0.01em;
            margin: 0 0 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.75;
            margin: 0;
        }

        .step-card {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 28px 32px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(158, 43, 37, 0.5);
            transform: translateY(-2px);
        }

        .step-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            min-width: 76px;
            letter-spacing: -0.02em;
        }

        .step-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(158, 43, 37, 0.08);
            color: var(--primary);
            border-radius: 12px;
            margin-bottom: 10px;
            font-size: 16px;
        }

        .step-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .step-content p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 640px) {
            .step-card {
                flex-direction: column;
                gap: 12px;
                padding: 24px;
            }
            .step-num {
                font-size: 36px;
                min-width: 0;
            }
        }

        .env-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .env-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            font-size: 15px;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            transition: padding-left 0.3s ease;
        }

        .env-list li:hover {
            padding-left: 4px;
        }

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

        .env-icon {
            width: 38px;
            height: 38px;
            background: rgba(158, 43, 37, 0.08);
            color: var(--primary);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .safety-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 48px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .safety-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 160px;
            height: 160px;
            background: rgba(198, 161, 91, 0.1);
            border-radius: 50%;
        }

        .safety-title {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 16px;
            line-height: 1.4;
        }

        .safety-desc {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0 0 32px;
        }

        .safety-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--line);
        }

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

        .safety-item-icon {
            width: 44px;
            height: 44px;
            background: rgba(158, 43, 37, 0.08);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .safety-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .safety-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        .faq-list {
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: background 0.3s;
        }

        .faq-item:hover {
            background: rgba(255, 255, 255, 0.4);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding: 24px 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            font-family: inherit;
            line-height: 1.5;
            transition: color 0.3s;
        }

        .faq-question .q-mark {
            color: var(--primary);
            font-weight: 800;
            margin-right: 6px;
        }

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

        .faq-indicator {
            font-size: 22px;
            color: var(--secondary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-weight: 300;
            line-height: 1;
        }

        .faq-item.faq-active .faq-indicator {
            transform: rotate(135deg);
            color: var(--primary);
        }

        .faq-answer {
            display: none;
            padding: 0 8px 24px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 92%;
        }

        .faq-item.faq-active .faq-answer {
            display: block;
            animation: faqFade 0.35s ease;
        }

        @keyframes faqFade {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .cta-card {
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(158, 43, 37, 0.3);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 200px;
            height: 200px;
            background: rgba(198, 161, 91, 0.1);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.7;
            margin: 0 0 32px;
            position: relative;
            z-index: 1;
        }

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

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: 9999px;
            min-height: 44px;
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.2;
        }

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

        .site-footer {
            background: #1D1918;
            color: rgba(255, 255, 255, 0.8);
            padding-top: 72px;
            padding-bottom: 32px;
        }

        .footer-brand {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            margin: 0;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color 0.3s ease;
        }

        .footer-link:hover {
            color: #fff;
            padding-left: 2px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex !important;
            }
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none !important;
            }
        }

        .mobile-only {
            display: none;
        }

        @media (max-width: 1023px) {
            .mobile-only {
                display: inline-flex;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #9E2B25;
            --secondary: #C6A15B;
            --paper: #F7F2EA;
            --ink: #242021;
            --muted: #76716D;
            --line: #E5DCCF;
            --success: #2F7D5B;
            --warning: #C76D2E;
            --error: #B3261E;
            --card-bg: #FFFFFF;
            --card-bg-deep: #F1EAE0;
            --radius-card: 16px;
            --radius-input: 12px;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 3px rgba(36, 32, 33, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(36, 32, 33, 0.12);
            --shadow-btn: 0 4px 16px rgba(158, 43, 37, 0.35);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .3s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input,
        button {
            font-family: inherit;
        }

        .container-wrap {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container-wrap {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (min-width: 1024px) {
            .container-wrap {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .nav-blur {
            background: rgba(247, 242, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 12px rgba(158, 43, 37, 0.25);
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
        }
        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 4px;
            transition: color .2s;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .3s;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 9999px;
            background: rgba(47, 125, 91, 0.12);
            border: 1px solid rgba(47, 125, 91, 0.25);
            font-size: 13px;
            font-weight: 500;
            color: var(--success);
        }
        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 3px rgba(47, 125, 91, 0.15);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 10px 24px;
            border-radius: 9999px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            box-shadow: 0 4px 16px rgba(158, 43, 37, 0.35);
            transition: all .25s;
        }
        .btn-primary:hover {
            background: #b43a32;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(158, 43, 37, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(158, 43, 37, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 24px;
            border-radius: 9999px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--primary);
            transition: all .25s;
        }
        .btn-secondary:hover {
            background: rgba(158, 43, 37, 0.08);
        }

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 12px;
            cursor: pointer;
            transition: border-color .3s;
        }
        .hamburger-btn:hover {
            border-color: var(--primary);
        }
        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all .3s;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: var(--paper);
            border-bottom: 1px solid var(--line);
            padding: 16px 20px 24px;
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-menu-link {
            display: block;
            padding: 14px 8px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            transition: background .2s;
        }
        .mobile-menu-link:last-child {
            border-bottom: none;
        }
        .mobile-menu-link:hover {
            background: rgba(158, 43, 37, 0.05);
            color: var(--primary);
        }
        .mobile-menu-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-status-bar {
            background: var(--secondary);
            text-align: center;
            padding: 4px 16px;
            font-size: 12px;
            font-weight: 500;
            color: #3a2e1e;
            letter-spacing: 0.3px;
        }

        .hero-inner {
            position: relative;
            overflow: hidden;
            padding: 72px 0 88px;
        }
        @media (min-width: 768px) {
            .hero-inner {
                padding: 104px 0 120px;
            }
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(0deg, rgba(247, 242, 234, 0.96) 0%, rgba(247, 242, 234, 0.82) 50%, rgba(247, 242, 234, 0.7) 100%);
        }
        .badge-secondary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 9999px;
            background: rgba(198, 161, 91, 0.18);
            border: 1px solid rgba(198, 161, 91, 0.5);
            font-size: 13px;
            font-weight: 600;
            color: #6b4e1f;
        }
        .current-version-pill {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 24px;
            padding: 8px 20px;
            border-radius: 9999px;
            background: #fff;
            border: 1px solid rgba(47, 125, 91, 0.3);
            box-shadow: 0 4px 16px rgba(36, 32, 33, 0.06);
            font-size: 14px;
            font-weight: 500;
            color: var(--success);
        }

        .timeline {
            position: relative;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--line);
        }
        @media (min-width: 768px) {
            .timeline::before {
                left: 23px;
            }
        }
        .timeline-item {
            position: relative;
            padding-left: 64px;
            padding-bottom: 48px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: 16px;
            top: 24px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--secondary);
            border: 3px solid var(--paper);
            box-shadow: 0 0 0 2px rgba(198, 161, 91, 0.5);
        }
        .timeline-dot.current {
            background: var(--primary);
            box-shadow: 0 0 0 2px rgba(158, 43, 37, 0.4);
        }
        .timeline-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 28px 28px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s, border-color .3s, transform .3s;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(158, 43, 37, 0.4);
            transform: translateY(-2px);
        }
        .timeline-head {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .version-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .timeline-date {
            font-size: 14px;
            color: var(--muted);
            font-weight: 400;
        }
        .current-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 9999px;
            background: rgba(158, 43, 37, 0.1);
            border: 1px solid rgba(158, 43, 37, 0.3);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
        }
        .current-tag::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }
        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .timeline-list li {
            position: relative;
            padding-left: 20px;
            font-size: 15px;
            line-height: 1.7;
            color: #4b4440;
            margin-bottom: 8px;
        }
        .timeline-list li:last-child {
            margin-bottom: 0;
        }
        .timeline-list li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s, border-color .3s, transform .3s;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(158, 43, 37, 0.3);
            transform: translateY(-3px);
        }
        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(158, 43, 37, 0.1);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .feature-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .feature-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        .cta-card {
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            background: var(--primary);
            color: #fff;
            padding: 48px 32px;
        }
        @media (min-width: 768px) {
            .cta-card {
                padding: 56px 64px;
            }
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 20%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.25);
        }
        .cta-input {
            height: 48px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.95);
            color: var(--ink);
            padding: 0 16px;
            font-size: 14px;
            width: 100%;
            outline: none;
            transition: box-shadow .3s, border-color .3s;
        }
        .cta-input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.3);
        }
        .cta-input::placeholder {
            color: #9a928d;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 22px 0;
            background: transparent;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            transition: color .2s;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .q-mark {
            color: var(--primary);
            font-weight: 800;
            margin-right: 8px;
        }
        .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line);
            color: var(--primary);
            font-size: 18px;
            font-weight: 400;
            transition: all .3s;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding-bottom: 24px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            max-width: 720px;
        }
        .faq-answer-inner a {
            color: var(--primary);
            font-weight: 500;
        }

        .site-footer {
            background: #1D1918;
            color: #F7F2EA;
            padding: 64px 0 0;
        }
        .footer-brand {
            font-size: 17px;
            font-weight: 700;
            color: #F7F2EA;
        }
        .footer-title {
            color: #F7F2EA;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            color: rgba(247, 242, 234, 0.72);
            font-size: 14px;
            padding: 6px 0;
            transition: color .3s;
        }
        .footer-link:hover {
            color: var(--secondary);
        }
        .footer-desc {
            color: rgba(247, 242, 234, 0.6);
            font-size: 14px;
            line-height: 1.75;
        }
        .footer-bottom {
            border-top: 1px solid rgba(247, 242, 234, 0.14);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            color: rgba(247, 242, 234, 0.5);
            font-size: 13px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            margin-top: 12px;
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 24px;
            }
            .timeline-card {
                padding: 20px 16px;
            }
            .timeline-item {
                padding-left: 56px;
            }
            .cta-card {
                padding: 36px 20px;
            }
        }

        @media (max-width: 380px) {
            .nav-status-bar {
                font-size: 11px;
                padding: 4px 10px;
            }
        }

/* roulang page: category3 */
:root {
    --primary: #9E2B25;
    --primary-dark: #7E201C;
    --secondary: #C6A15B;
    --paper: #F7F2EA;
    --paper-deep: #F1EAE0;
    --ink: #242021;
    --muted: #76716D;
    --line: #E5DCCF;
    --success: #2F7D5B;
    --warning: #C76D2E;
    --danger: #B3261E;
    --white: #FFFFFF;
    --radius-card: 16px;
    --radius-input: 12px;
    --shadow-card: 0 1px 3px rgba(36,32,33,0.06);
    --shadow-hover: 0 12px 32px rgba(36,32,33,0.12);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }
  button { font-family: inherit; cursor: pointer; }

  .container-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 768px) {
    .container-wrap { padding-left: 1.5rem; padding-right: 1.5rem; }
  }
  @media (min-width: 1024px) {
    .container-wrap { padding-left: 2rem; padding-right: 2rem; }
  }

  /* ===== Navigation ===== */
  .nav-blur {
    background: rgba(247,242,234,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .nav-link {
    display: inline-block;
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    padding: 8px 4px;
    transition: color .25s ease;
  }
  .nav-link:hover { color: var(--primary); }
  .nav-link.active { color: var(--primary); font-weight: 600; }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
  }
  .nav-status-bar {
    background: var(--secondary);
    color: #4A3A23;
    font-size: 12px;
    text-align: center;
    padding: 4px 16px;
    letter-spacing: 0.02em;
  }
  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    border-radius: 10px;
    flex-shrink: 0;
  }
  .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    background: rgba(47,125,91,0.10);
    padding: 6px 14px;
    border-radius: 999px;
  }
  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--success);
  }
  .hamburger-btn {
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: transparent;
    border: none;
    border-radius: 12px;
  }
  .hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all .3s ease;
  }
  .hamburger-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger-btn.active span:nth-child(2) { opacity: 0; }
  .hamburger-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .desktop-nav { display: none; }
  @media (min-width: 1024px) {
    .desktop-nav { display: flex !important; }
    .hamburger-btn { display: none !important; }
  }
  .mobile-only { display: flex; }
  @media (min-width: 1024px) {
    .mobile-only { display: none !important; }
  }
  .mobile-nav {
    display: flex;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 16px 20px 24px;
    gap: 4px;
  }
  .mobile-nav a.nav-link {
    font-size: 15px;
    font-weight: 500;
    padding: 12px 8px;
    border-radius: 12px;
    color: var(--ink);
  }
  .mobile-nav a.nav-link.active {
    background: rgba(158,43,37,0.08);
    color: var(--primary);
  }
  .mobile-nav .btn-primary {
    margin-top: 16px;
    width: 100%;
  }

  /* ===== Buttons ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 999px;
    min-height: 44px;
    box-shadow: 0 4px 16px rgba(158,43,37,0.35);
    transition: all .25s ease;
    border: none;
    white-space: nowrap;
  }
  .btn-primary:hover {
    background: #B23832;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(158,43,37,0.40);
  }
  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(158,43,37,0.30);
  }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    font-size: 15px;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 999px;
    min-height: 44px;
    transition: all .25s ease;
  }
  .btn-outline:hover {
    background: rgba(158,43,37,0.08);
    transform: translateY(-2px);
    border-color: var(--primary);
  }
  .btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--primary);
    border: none;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 999px;
    min-height: 44px;
    transition: all .25s ease;
    white-space: nowrap;
  }
  .btn-white:hover {
    background: var(--paper);
    transform: translateY(-2px);
  }

  /* ===== Section common ===== */
  .section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--secondary);
    background: rgba(198,161,91,0.15);
    padding: 6px 14px;
    border-radius: 999px;
    letter-spacing: 0.05em;
  }
  .section-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
    margin-top: 14px;
    color: var(--ink);
  }
  .section-subtitle {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.7;
    margin-top: 12px;
  }
  @media (min-width: 768px) {
    .section-title { font-size: 32px; }
  }

  /* ===== Feature card ===== */
  .feature-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
  }
  .feature-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(158,43,37,0.35);
    transform: translateY(-4px);
  }
  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(158,43,37,0.08);
    color: var(--primary);
  }
  .feature-title {
    font-size: 17px;
    font-weight: 700;
    margin-top: 18px;
    color: var(--ink);
  }
  .feature-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-top: 8px;
  }

  /* ===== QA card ===== */
  .qa-card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--line);
    padding: 32px;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
  }
  .qa-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(198,161,91,0.50);
    transform: translateY(-2px);
  }
  .qa-number {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: var(--secondary);
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.08em;
  }
  .qa-question {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin-top: 14px;
    line-height: 1.5;
  }
  .qa-answer {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.8;
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }
  @media (min-width: 1024px) {
    .qa-card { padding: 36px; }
    .qa-question { font-size: 21px; }
  }

  /* ===== Risk card ===== */
  .risk-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
  }
  .risk-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(158,43,37,0.30);
  }
  .risk-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
  }
  .risk-text {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.75;
    margin-top: 8px;
  }
  .risk-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 14px;
    transition: gap .25s ease;
  }
  .risk-link:hover { gap: 10px; }

  /* ===== FAQ ===== */
  .faq-wrap { border-bottom: 1px solid var(--line); }
  .faq-item { border-top: 1px solid var(--line); }
  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
  }
  .faq-q .q-mark { color: var(--primary); font-weight: 800; margin-right: 4px; }
  .faq-icon {
    position: relative;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    transition: all .3s ease;
  }
  .faq-icon::before,
  .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--ink);
    border-radius: 2px;
    transition: all .3s ease;
  }
  .faq-icon::before {
    width: 12px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .faq-icon::after {
    width: 2px;
    height: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .faq-item.open .faq-icon::after { transform: translate(-50%, -50%) scaleY(0); }
  .faq-item.open .faq-icon { border-color: var(--primary); }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s ease;
    padding: 0;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.75;
  }
  .faq-item.open .faq-a {
    max-height: 320px;
    padding: 0 0 24px;
  }

  /* ===== CTA ===== */
  .cta-card {
    background: var(--primary);
    border-radius: 24px;
    padding: 48px 32px;
    position: relative;
    overflow: hidden;
    color: #fff;
  }
  .cta-card::before {
    content: '';
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    top: -120px;
    right: -80px;
  }
  .cta-card::after {
    content: '';
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    bottom: -60px;
    left: 20%;
  }
  .cta-title {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.3;
  }
  .cta-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.88);
    margin-top: 12px;
    max-width: 480px;
  }
  @media (min-width: 768px) {
    .cta-card { padding: 56px 48px; }
    .cta-title { font-size: 30px; }
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #1D1918;
    color: rgba(255,255,255,0.85);
    padding: 56px 0 32px;
  }
  .footer-brand {
    font-size: 17px;
    font-weight: 800;
    color: #fff;
  }
  .footer-brand .logo-mark { background: var(--primary); }
  .footer-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-top: 12px;
  }
  .footer-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
  }
  .footer-link {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    padding: 5px 0;
    transition: color .2s ease;
  }
  .footer-link:hover { color: #fff; }
  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 40px;
    padding-top: 24px;
  }

  /* ===== Breadcrumb ===== */
  .breadcrumb {
    font-size: 14px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }
  .breadcrumb a { color: var(--muted); transition: color .2s; }
  .breadcrumb a:hover { color: var(--primary); }
  .breadcrumb .current { color: var(--ink); font-weight: 500; }

  /* ===== Miscellaneous ===== */
  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-image: url('/assets/images/backpic/back-3.png');
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(247,242,234,0.97) 0%, rgba(247,242,234,0.88) 55%, rgba(247,242,234,0.55) 100%);
  }
  @media (max-width: 767px) {
    .hero-overlay {
      background: linear-gradient(180deg, rgba(247,242,234,0.95) 0%, rgba(247,242,234,0.85) 100%);
    }
  }
  .trust-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--muted);
  }
  .trust-item i {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--secondary);
  }