/* roulang page: index */
:root {
  --primary: #C8A45D;
  --primary-hover: #B38D43;
  --primary-active: #9C7838;
  --dark: #161A20;
  --dark-soft: #1E242B;
  --light-bg: #F4F1EA;
  --card-white: #FFFFFF;
  --card-secondary: #F9F6EF;
  --text-main: #2B2B2B;
  --text-secondary: #6E6E6E;
  --text-muted: #9A9A9A;
  --accent: #4C6B5C;
  --warning: #C05B3D;
  --border: #E6E1D8;
  --divider: #EEE8DC;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 20px;
  --shadow-card: 0 1px 3px rgba(22,26,32,.06), 0 4px 12px rgba(22,26,32,.04);
  --shadow-hover: 0 8px 24px rgba(22,26,32,.12);
  --transition: all .22s cubic-bezier(.2,.6,.2,1);
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-stack); background: var(--light-bg); color: var(--text-main); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4, h5, h6 { color: var(--text-main); font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
p { margin-bottom: 8px; }
ul { padding-left: 0; }
.container { max-width: 1200px; padding: 0 24px; }
.section { padding: 80px 0; }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.section-head p { color: var(--text-secondary); font-size: 15px; margin-bottom: 0; }
.section-head.text-center { margin-left: auto; margin-right: auto; text-align: center; }
.btn { border-radius: var(--radius-sm); font-weight: 600; height: 44px; padding: 0 28px; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; transition: var(--transition); border: 1px solid transparent; }
.btn:focus, .btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(200,164,93,.25); }
.btn-primary-custom { background: var(--primary); color: var(--dark) !important; border-color: var(--primary); box-shadow: 0 2px 8px rgba(200,164,93,.3); }
.btn-primary-custom:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff !important; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(200,164,93,.4); }
.btn-primary-custom:active { background: var(--primary-active); border-color: var(--primary-active); transform: translateY(0); box-shadow: 0 2px 8px rgba(200,164,93,.3); }
.btn-ghost { background: transparent; border: 1px solid rgba(200,164,93,.45); color: var(--primary); }
.btn-ghost:hover { background: rgba(200,164,93,.08); border-color: var(--primary); color: var(--primary); }
.btn-outline-light { background: transparent; border: 1px solid rgba(255,255,255,.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; color: #fff; }
.btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }
.text-gold { color: var(--primary); }
.text-muted-2 { color: var(--text-secondary); }
.text-muted-3 { color: var(--text-muted); }
.bg-dark-custom { background: var(--dark); }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px; background: #fff; border: 2px dashed var(--divider); border-radius: var(--radius-lg); color: var(--text-muted); font-size: 15px; text-align: center; }
.empty-state .empty-icon { font-size: 32px; color: var(--text-muted); margin-bottom: 12px; }

/* ===== Header / Nav ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1030; background: rgba(22,26,32,.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(200,164,93,.22); }
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 30px; height: 30px; background: var(--primary); border-radius: 7px; display: inline-flex; align-items: center; justify-content: center; color: var(--dark); font-weight: 900; font-size: 18px; font-family: Georgia, serif; }
.brand-text { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: .5px; }
.nav-links { display: flex; gap: 28px; margin: 0; padding: 0; list-style: none; }
.nav-links li a { color: rgba(255,255,255,.78); font-size: 15px; font-weight: 500; padding: 20px 0; position: relative; }
.nav-links li a:hover, .nav-links li a.active { color: var(--primary); }
.nav-links li a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .22s cubic-bezier(.2,.6,.2,1); }
.nav-links li a:hover::after, .nav-links li a.active::after { transform: scaleX(1); }
.nav-tools { display: flex; align-items: center; gap: 14px; }
.nav-search { position: relative; }
.nav-search input { height: 40px; width: 200px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-pill); color: #fff; font-size: 14px; padding: 0 38px 0 16px; transition: var(--transition); }
.nav-search input::placeholder { color: rgba(255,255,255,.45); }
.nav-search input:focus { outline: none; border-color: var(--primary); background: rgba(255,255,255,.1); box-shadow: 0 0 0 3px rgba(200,164,93,.15); }
.nav-search i { position: absolute; right: 13px; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,.5); font-size: 14px; pointer-events: none; }
.nav-search input:focus ~ i { color: var(--primary); }
.nav-toggle { border: none; background: transparent; display: inline-flex; flex-direction: column; gap: 4px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }
@media (max-width: 991.98px) {
  .site-header .header-inner { height: 60px; }
  .nav-collapse-mobile { position: fixed; top: 60px; left: 0; right: 0; background: var(--dark); border-bottom: 1px solid rgba(200,164,93,.2); padding: 20px 24px; z-index: 1029; display: none; }
  .nav-collapse-mobile.show { display: block; }
  .nav-collapse-mobile .nav-links { flex-direction: column; gap: 0; }
  .nav-collapse-mobile .nav-links li a { display: block; padding: 14px 0; color: rgba(255,255,255,.85); border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-collapse-mobile .nav-links li a:last-child { border-bottom: none; }
  .nav-collapse-mobile .nav-tools { flex-direction: column; align-items: stretch; margin-top: 16px; gap: 10px; }
  .nav-collapse-mobile .nav-search { width: 100%; }
  .nav-collapse-mobile .nav-search input { width: 100%; }
  .nav-collapse-mobile .nav-tools .btn { width: 100%; }
}

/* ===== Hero ===== */
.hero-section { position: relative; min-height: 100vh; min-height: 640px; max-height: 900px; display: flex; align-items: center; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; padding: 120px 0 80px; }
.hero-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(22,26,32,.55), rgba(22,26,32,.75)); }
.hero-section .container { position: relative; z-index: 2; }
.hero-content { max-width: 640px; }
.hero-content h1 { color: #fff; font-size: 48px; font-weight: 800; line-height: 1.25; margin-bottom: 20px; }
.hero-content h1 .gold-text { color: var(--primary); }
.hero-content p.hero-sub { color: #D8D5CE; font-size: 17px; line-height: 1.75; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats { display: flex; gap: 0; flex-wrap: wrap; align-items: center; }
.hero-stats .stat-item { padding: 0 28px; display: flex; flex-direction: column; align-items: center; }
.hero-stats .stat-item:first-child { padding-left: 0; }
.hero-stats .stat-item:not(:first-child) { border-left: 1px solid rgba(255,255,255,.2); }
.hero-stats .stat-num { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.hero-stats .stat-label { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 4px; letter-spacing: .5px; }
@media (max-width: 575.98px) {
  .hero-content h1 { font-size: 30px; }
  .hero-content p.hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 12px; }
  .hero-stats .stat-item { padding: 0 16px; }
  .hero-stats .stat-num { font-size: 24px; }
}

/* ===== Features ===== */
.features-section { background: var(--card-white); }
.features-wrap { display: flex; gap: 56px; align-items: center; }
.features-left { flex: 1.1; }
.features-right { flex: .9; }
.features-list { margin: 0; padding: 0; list-style: none; }
.features-list li { display: flex; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--divider); }
.features-list li:last-child { border-bottom: none; }
.features-num { font-size: 14px; font-weight: 700; color: var(--primary); background: rgba(200,164,93,.12); border-radius: var(--radius-pill); padding: 4px 14px; height: fit-content; flex-shrink: 0; }
.features-list h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.features-list p { color: var(--text-secondary); font-size: 15px; margin-bottom: 0; line-height: 1.65; }
.features-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); object-fit: cover; width: 100%; }
@media (max-width: 991.98px) {
  .features-wrap { flex-direction: column-reverse; gap: 40px; }
  .features-left, .features-right { width: 100%; }
}

/* ===== Demo ===== */
.demo-section { background: var(--light-bg); }
.demo-steps { display: flex; gap: 32px; align-items: stretch; }
.demo-step { flex: 1; background: #fff; border-radius: var(--radius-lg); padding: 36px 28px 32px; box-shadow: var(--shadow-card); position: relative; transition: var(--transition); }
.demo-step:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.demo-step .step-icon { width: 52px; height: 52px; border-radius: var(--radius-md); background: rgba(200,164,93,.14); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 22px; margin-bottom: 18px; }
.demo-step .step-tag { font-size: 12px; font-weight: 600; color: var(--accent); background: rgba(76,107,92,.1); padding: 3px 10px; border-radius: var(--radius-pill); display: inline-block; margin-bottom: 10px; }
.demo-step h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.demo-step p { color: var(--text-secondary); font-size: 14px; margin-bottom: 0; }
.step-arrow { display: flex; align-items: center; color: var(--primary); font-size: 22px; flex-shrink: 0; }
@media (max-width: 991.98px) {
  .demo-steps { flex-direction: column; gap: 20px; }
  .step-arrow { display: none; }
}

/* ===== Proof ===== */
.proof-section { background: var(--dark); color: #fff; }
.proof-section .section-head h2 { color: #fff; }
.proof-section .section-head p { color: rgba(255,255,255,.6); }
.proof-grid { display: flex; gap: 32px; flex-wrap: wrap; }
.proof-left { flex: 1.2; display: flex; flex-direction: column; gap: 20px; }
.proof-right { flex: .8; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 24px; }
.proof-cards { display: flex; flex-direction: column; gap: 16px; }
.proof-card { background: rgba(255,255,255,.06); border-left: 4px solid var(--accent); border-radius: var(--radius-md); padding: 22px 24px; transition: var(--transition); }
.proof-card:hover { background: rgba(255,255,255,.1); }
.proof-card p { color: rgba(255,255,255,.85); font-size: 15px; margin-bottom: 8px; line-height: 1.6; }
.proof-card .proof-author { color: rgba(255,255,255,.5); font-size: 13px; }
.proof-stat-row { display: flex; gap: 20px; flex-wrap: wrap; }
.proof-stat { text-align: center; padding: 20px 32px; background: rgba(255,255,255,.05); border-radius: var(--radius-lg); min-width: 120px; }
.proof-stat .num { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.proof-stat .label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; }
.proof-visual { width: 100%; border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 8px 30px rgba(0,0,0,.4); }
.proof-visual img { width: 100%; object-fit: cover; display: block; }
@media (max-width: 991.98px) {
  .proof-grid { flex-direction: column; }
  .proof-right { align-items: stretch; }
  .proof-stat-row { justify-content: center; }
}

/* ===== Pricing ===== */
.pricing-section { background: var(--card-white); }
.pricing-wrap { display: flex; gap: 40px; align-items: flex-start; justify-content: center; padding: 0 20px; }
.pricing-card { flex: 1; max-width: 480px; background: var(--card-secondary); border-radius: var(--radius-lg); padding: 40px 40px 36px; position: relative; box-shadow: var(--shadow-card); transition: var(--transition); }
.pricing-card:hover { box-shadow: var(--shadow-hover); }
.pricing-card.featured { background: var(--dark); color: #fff; border: 2px solid var(--primary); margin-top: -16px; padding-top: 56px; }
.pricing-card.featured .price-note { color: rgba(255,255,255,.5); }
.pricing-card .badge-ribbon { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--warning); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 18px; border-radius: var(--radius-pill); letter-spacing: 1px; }
.pricing-card .plan-name { font-size: 14px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.pricing-card.featured .plan-name { color: var(--primary); }
.pricing-card .plan-price { font-size: 48px; font-weight: 800; color: var(--text-main); line-height: 1.2; margin-bottom: 4px; }
.pricing-card .plan-price .unit { font-size: 18px; font-weight: 600; color: var(--text-muted); vertical-align: baseline; }
.pricing-card.featured .plan-price { color: #fff; }
.pricing-card .price-note { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.pricing-card ul { list-style: none; padding: 0; margin: 0 0 28px; }
.pricing-card ul li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; font-size: 15px; color: var(--text-secondary); }
.pricing-card.featured ul li { color: rgba(255,255,255,.78); }
.pricing-card ul li i { color: var(--accent); margin-top: 5px; font-size: 13px; color: var(--primary); }
.pricing-card .btn { width: 100%; }
@media (max-width: 767.98px) {
  .pricing-wrap { flex-direction: column; align-items: center; padding: 0; }
  .pricing-card { width: 100%; max-width: 100%; }
  .pricing-card.featured { margin-top: 16px; padding-top: 40px; }
}

/* ===== News ===== */
.news-section { background: var(--light-bg); }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-card { display: flex; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 20px; gap: 20px; transition: var(--transition); align-items: center; }
.news-card:hover { box-shadow: var(--shadow-hover); background: var(--card-secondary); transform: translateX(4px); }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-thumb { width: 120px; height: 80px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: var(--divider); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s cubic-bezier(.2,.6,.2,1); }
.news-body { flex: 1; min-width: 0; }
.news-category { display: inline-block; background: rgba(76,107,92,.12); color: var(--accent); font-size: 12px; font-weight: 600; padding: 2px 12px; border-radius: var(--radius-pill); margin-bottom: 8px; }
.news-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.news-excerpt { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-muted); }
.news-link { color: var(--primary); font-weight: 600; }
.news-card:hover .news-link { color: var(--primary-hover); }
@media (max-width: 575.98px) {
  .news-card { flex-direction: column; align-items: flex-start; padding: 16px; }
  .news-thumb { width: 100%; height: 130px; border-radius: var(--radius-md); }
  .news-meta { flex-direction: column; align-items: flex-start; gap: 4px; }
}

/* ===== FAQ ===== */
.faq-section { background: var(--card-white); }
.faq-wrap { display: flex; gap: 60px; }
.faq-left-col { flex: 1; }
.faq-right-col { flex: 1.4; }
.accordion.custom-accordion .accordion-item { border: none; margin-bottom: 14px; border-radius: var(--radius-md) !important; background: var(--card-white); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition); }
.accordion.custom-accordion .accordion-item:hover { box-shadow: var(--shadow-hover); }
.accordion.custom-accordion .accordion-item:focus-within { box-shadow: 0 0 0 3px rgba(200,164,93,.2); }
.accordion.custom-accordion .accordion-header { border-radius: var(--radius-md); }
.accordion.custom-accordion .accordion-button { background: var(--card-white); color: var(--text-main); font-size: 16px; font-weight: 600; padding: 20px 24px; box-shadow: none; border: none; border-radius: var(--radius-md) !important; transition: var(--transition); }
.accordion.custom-accordion .accordion-button:hover { color: var(--primary); }
.accordion.custom-accordion .accordion-button:not(.collapsed) { background: var(--card-secondary); color: var(--primary); border-left: 3px solid var(--primary); padding-left: 21px; }
.accordion.custom-accordion .accordion-button::after { background-image: none; font-family: 'Font Awesome 6 Free'; font-weight: 900; content: '\2b'; font-size: 18px; color: var(--primary); width: auto; height: auto; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.accordion.custom-accordion .accordion-button:not(.collapsed)::after { content: '\f068'; transform: none; color: var(--primary); }
.accordion.custom-accordion .accordion-body { padding: 0 24px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.7; background: var(--card-secondary); border-left: 3px solid var(--primary); }
.accordion.custom-accordion .accordion-body p { margin-bottom: 0; }
@media (max-width: 991.98px) {
  .faq-wrap { flex-direction: column; gap: 36px; }
}

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%); padding: 72px 0; text-align: center; }
.cta-section h2 { color: var(--dark); font-size: 34px; font-weight: 800; margin-bottom: 12px; }
.cta-section p { color: rgba(22,26,32,.78); font-size: 16px; margin-bottom: 28px; }
.cta-section .btn { background: var(--dark); color: #fff; border-color: var(--dark); }
.cta-section .btn:hover { background: #2B3138; border-color: #2B3138; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(22,26,32,.35); }

/* ===== Footer ===== */
.site-footer { background: var(--dark); border-top: 1px solid rgba(200,164,93,.22); padding: 60px 0 0; color: rgba(255,255,255,.7); }
.site-footer .footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.site-footer .footer-brand .brand-text-footer { color: #fff; font-size: 22px; font-weight: 800; }
.site-footer h4 { color: var(--primary); font-size: 15px; font-weight: 600; margin-bottom: 20px; letter-spacing: 1px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 12px; }
.site-footer ul li a { color: rgba(255,255,255,.65); font-size: 14px; }
.site-footer ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 48px; padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom .icp { margin-left: 12px; }
@media (max-width: 767.98px) {
  .site-footer .row > div { margin-bottom: 28px; }
  .site-footer .row > div:last-child { margin-bottom: 0; }
}

/* ===== Floating CTA ===== */
.float-cta { position: fixed; bottom: 20px; right: 20px; z-index: 1050; }
.float-cta .btn { display: inline-flex; align-items: center; gap: 8px; width: 140px; height: 48px; border-radius: var(--radius-pill); background: var(--primary); color: var(--dark); font-weight: 700; font-size: 15px; border: none; box-shadow: 0 6px 20px rgba(22,26,32,.28); transition: all .22s cubic-bezier(.2,.6,.2,1); justify-content: center; }
.float-cta .btn:hover { background: var(--primary-hover); color: #fff; width: 156px; box-shadow: 0 8px 26px rgba(22,26,32,.35); transform: translateY(-2px); }
.float-cta.hidden { opacity: 0; pointer-events: none; transform: translateY(20px); }
.float-cta.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
@media (max-width: 575.98px) {
  .float-cta .btn { width: 120px; font-size: 14px; }
  .float-cta .btn:hover { width: 120px; }
}

/* ===== Misc ===== */
.scroll-prompt { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%) rotate(45deg); width: 14px; height: 14px; border-right: 2px solid rgba(255,255,255,.4); border-bottom: 2px solid rgba(255,255,255,.4); animation: scrollDown 1.6s ease-in-out infinite; }
@keyframes scrollDown { 0%, 100% { transform: translateX(-50%) rotate(45deg) translateY(0); opacity: .4; } 50% { transform: translateX(-50%) rotate(45deg) translateY(8px); opacity: 1; } }
@media (max-width: 575.98px) {
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .news-card { flex-direction: column; }
}

/* roulang page: category1 */
:root {
            --primary: #C8A45D;
            --primary-hover: #B38D43;
            --primary-active: #9C7838;
            --primary-light: rgba(200, 164, 93, .12);
            --dark: #161A20;
            --dark-transparent: rgba(22, 26, 32, .95);
            --light-bg: #F4F1EA;
            --card-bg: #FFFFFF;
            --card-alt: #F9F6EF;
            --text-main: #2B2B2B;
            --text-sub: #6E6E6E;
            --text-muted: #9A9A9A;
            --accent: #4C6B5C;
            --warning: #C05B3D;
            --border: #E6E1D8;
            --border-light: #EEE8DC;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-tag: 20px;
            --shadow-sm: 0 1px 3px rgba(22, 26, 32, .06), 0 4px 12px rgba(22, 26, 32, .04);
            --shadow-md: 0 8px 24px rgba(22, 26, 32, .12);
            --transition: cubic-bezier(.2, .6, .2, 1) .22s;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--light-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
        }

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

        .btn {
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all var(--transition);
            border: 0;
            outline: none;
            white-space: nowrap;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(200, 164, 93, .35);
            outline: none;
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #1A1A1A;
            box-shadow: 0 2px 8px rgba(200, 164, 93, .3);
        }

        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 164, 93, .4);
        }

        .btn-primary-custom:active {
            background: var(--primary-active);
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(200, 164, 93, .3);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-ghost:hover {
            background: rgba(200, 164, 93, .08);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }

        .btn-ghost-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
        }

        .btn-lg {
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--dark);
            border-bottom: 1px solid rgba(200, 164, 93, .25);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .brand-logo:hover {
            text-decoration: none;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #1A1A1A;
            font-size: 18px;
            font-weight: 800;
            border-radius: 8px;
            line-height: 1;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            padding: 8px 0;
            position: relative;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-links li a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
            border-radius: 2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--primary);
        }

        .nav-links li a.active::after {
            transform: scaleX(1);
        }

        .nav-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 150px;
            height: 38px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 20px;
            padding: 0 16px;
            font-size: 13px;
            color: #fff;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, .5);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 164, 93, .2);
        }

        .nav-search i {
            position: absolute;
            right: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            pointer-events: none;
        }

        .nav-toggle {
            border: 0;
            background: transparent;
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            border-radius: 8px;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .08);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -4px);
        }

        .nav-collapse-mobile {
            background: var(--dark);
            padding: 20px 24px 28px;
            border-top: 1px solid rgba(200, 164, 93, .2);
            display: none;
        }

        .nav-collapse-mobile.show {
            display: block;
        }

        .nav-collapse-mobile .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 20px;
        }

        .nav-collapse-mobile .nav-links a {
            font-size: 16px;
            color: rgba(255, 255, 255, .9);
        }

        .nav-collapse-mobile .nav-tools {
            flex-wrap: wrap;
        }

        .nav-collapse-mobile .nav-search {
            width: 100%;
            margin-bottom: 12px;
        }

        .nav-collapse-mobile .nav-search input {
            width: 100%;
            height: 44px;
        }

        .nav-collapse-mobile .btn {
            flex: 1;
        }

        .page-banner {
            position: relative;
            background: var(--dark);
            padding: 100px 0 80px;
            overflow: hidden;
            border-bottom: 1px solid rgba(200, 164, 93, .2);
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: .55;
        }

        .page-banner .banner-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(75deg, rgba(22, 26, 32, .92) 0%, rgba(22, 26, 32, .75) 60%, rgba(22, 26, 32, .55) 100%);
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 164, 93, .15);
            border: 1px solid rgba(200, 164, 93, .35);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 20px;
        }

        .banner-title {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            max-width: 720px;
        }

        .banner-title .highlight {
            color: var(--primary);
        }

        .banner-desc {
            font-size: 17px;
            line-height: 1.7;
            color: #D8D5CE;
            max-width: 640px;
            margin-bottom: 32px;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 16px;
        }

        .banner-meta .meta-item {
            display: flex;
            flex-direction: column;
        }

        .banner-meta .meta-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .banner-meta .meta-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-top: 4px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
        }

        .intro-section {
            background: var(--light-bg);
        }

        .intro-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .intro-card p {
            font-size: 16px;
        }

        .intro-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 24px;
            border-radius: 14px;
            margin-bottom: 16px;
        }

        .demo-section {
            background: var(--card-bg);
            padding: 80px 0;
        }

        .demo-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            position: relative;
        }

        .demo-step {
            background: var(--card-alt);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .demo-step-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            margin-bottom: 14px;
        }

        .demo-step-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .demo-step-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .demo-arrow {
            position: absolute;
            top: 50%;
            right: -24px;
            transform: translateY(-50%);
            font-size: 18px;
            color: var(--primary);
            z-index: 2;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--card-bg);
            border-radius: 50%;
            box-shadow: var(--shadow-sm);
        }

        .img-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            margin-top: 60px;
        }

        .img-layout .media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .img-layout .media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .img-layout .content {
            padding: 20px;
        }

        .img-layout .content h3 {
            font-size: 24px;
            margin-bottom: 12px;
        }

        .img-layout .content p {
            font-size: 15px;
            color: var(--text-sub);
        }

        .points-section {
            background: var(--light-bg);
            padding: 80px 0;
        }

        .points-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .point-item {
            display: flex;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .point-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            border-radius: 12px;
        }

        .point-content {
            flex: 1;
        }

        .point-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .point-content p {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 0;
        }

        .flow-tips {
            background: var(--dark);
            padding: 80px 0;
            color: #fff;
        }

        .flow-tips .section-title {
            color: #fff;
        }

        .flow-tips .section-subtitle {
            color: rgba(255, 255, 255, .6);
        }

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

        .tip-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .tip-list li:last-child {
            border-bottom: 0;
        }

        .tip-list .tip-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 164, 93, .15);
            color: var(--primary);
            border-radius: 8px;
            font-size: 14px;
            margin-top: 2px;
        }

        .tip-list .tip-text strong {
            display: block;
            font-size: 16px;
            margin-bottom: 4px;
            color: #fff;
        }

        .tip-list .tip-text span {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }

        .faq-section {
            background: var(--card-bg);
            padding: 80px 0;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 48px;
        }

        .faq-side {
            position: sticky;
            top: 120px;
            align-self: start;
        }

        .faq-side h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .faq-side p {
            font-size: 14px;
            color: var(--text-sub);
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            background: var(--card-bg);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

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

        .faq-accordion .accordion-button {
            background: var(--card-bg);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 20px 24px;
            border: 0;
            box-shadow: none;
            border-left: 3px solid transparent;
            transition: border-color var(--transition), color var(--transition);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--card-alt);
            color: var(--primary);
            border-left-color: var(--primary);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            font-size: 14px;
            color: var(--primary);
            transition: transform var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: "\f068";
            transform: rotate(0deg);
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            background: var(--card-alt);
        }

        .cta-section {
            background: var(--primary);
            padding: 60px 0;
        }

        .cta-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            color: #1A1A1A;
            font-size: 30px;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(26, 26, 26, .7);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .cta-inner .btn {
            background: var(--dark);
            color: #fff;
            height: 52px;
            padding: 0 36px;
        }

        .cta-inner .btn:hover {
            background: rgba(22, 26, 32, .85);
            transform: translateY(-2px);
        }

        .related-section {
            background: var(--light-bg);
            padding: 80px 0;
        }

        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .related-card .category-tag {
            display: inline-block;
            background: rgba(76, 107, 92, .1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .related-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-sub);
            flex: 1;
            margin-bottom: 18px;
        }

        .related-card .btn-link-custom {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }

        .related-card .btn-link-custom:hover {
            color: var(--primary-hover);
        }

        .site-footer {
            background: var(--dark);
            padding: 60px 0 0;
            border-top: 1px solid rgba(200, 164, 93, .3);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }

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

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

        .site-footer ul a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color var(--transition);
        }

        .site-footer ul a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .brand-text-footer {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom .icp {
            margin-left: 12px;
        }

        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 1030;
            background: var(--primary);
            color: #1A1A1A;
            border-radius: 30px;
            padding: 0 24px;
            height: 48px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(200, 164, 93, .4);
            transition: all var(--transition);
            opacity: 0;
            visibility: hidden;
            text-decoration: none;
        }

        .floating-cta.visible {
            opacity: 1;
            visibility: visible;
        }

        .floating-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            width: 156px;
            padding-right: 26px;
        }

        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb-custom {
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

        .breadcrumb-custom .sep {
            margin: 0 8px;
        }

        .breadcrumb-custom .current {
            color: var(--text-main);
            font-weight: 600;
        }

        @media (max-width: 1200px) {
            .container {
                max-width: 100%;
            }
        }

        @media (max-width: 992px) {
            .header-inner {
                min-height: 60px;
            }

            .page-banner {
                padding: 70px 0 56px;
            }

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

            .demo-arrow {
                display: none;
            }

            .demo-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .img-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .faq-side {
                position: static;
            }

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

            .section-padding {
                padding: 56px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .banner-meta {
                gap: 20px;
            }

            .banner-meta .meta-num {
                font-size: 24px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-banner {
                padding: 56px 0 44px;
            }

            .banner-title {
                font-size: 28px;
            }

            .banner-desc {
                font-size: 15px;
            }

            .section-padding {
                padding: 44px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .section-subtitle {
                font-size: 14px;
            }

            .intro-card {
                padding: 24px;
            }

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

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

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

            .floating-cta {
                width: 120px;
                bottom: 16px;
                right: 16px;
                font-size: 14px;
                padding: 0 18px;
            }

            .floating-cta:hover {
                width: 132px;
            }

            .btn-lg {
                height: 48px;
                padding: 0 24px;
                font-size: 15px;
            }

            .banner-meta .meta-item {
                min-width: 80px;
            }

            .banner-meta .meta-label {
                font-size: 12px;
            }
        }

/* roulang page: article */
:root{
  --primary:#C8A45D;
  --primary-dark:#B38D43;
  --primary-darker:#9C7838;
  --dark:#161A20;
  --light:#F4F1EA;
  --card-bg:#FFFFFF;
  --card-sub:#F9F6EF;
  --text-main:#2B2B2B;
  --text-sub:#6E6E6E;
  --text-weak:#9A9A9A;
  --accent:#4C6B5C;
  --warning:#C05B3D;
  --border:#E6E1D8;
  --border-light:#EEE8DC;
  --radius-lg:14px;
  --radius-md:10px;
  --radius-sm:8px;
  --shadow-card:0 1px 3px rgba(22,26,32,.06), 0 4px 12px rgba(22,26,32,.04);
  --shadow-hover:0 8px 24px rgba(22,26,32,.12);
  --transition:cubic-bezier(.2,.6,.2,1) .22s;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-main);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
input,button,textarea{font-family:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media(max-width:576px){.container{padding-left:16px;padding-right:16px}}

/* ===== Header Navigation ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(22,26,32,.96);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(200,164,93,.25);
  height:76px;
  transition:background var(--transition);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:var(--dark);font-weight:800;font-size:18px;
  box-shadow:0 2px 8px rgba(200,164,93,.35);
}
.brand-text{
  font-size:20px;font-weight:700;color:#fff;letter-spacing:.5px;
}
.brand-text:hover{color:var(--primary)}
.nav-toggle{
  background:none;border:none;cursor:pointer;
  width:42px;height:42px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border-radius:8px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:all .25s}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.nav-links{
  list-style:none;display:flex;align-items:center;gap:28px;margin:0;padding:0;
}
.nav-links li a{
  position:relative;font-size:14px;font-weight:500;color:rgba(255,255,255,.82);
  padding:8px 2px;transition:color var(--transition);
}
.nav-links li a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--primary);border-radius:2px;transition:width var(--transition);
}
.nav-links li a:hover{color:var(--primary)}
.nav-links li a:hover::after{width:100%}
.nav-links li a.active{color:var(--primary)}
.nav-links li a.active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:14px}
.nav-search{
  position:relative;display:flex;align-items:center;
}
.nav-search input{
  height:40px;width:180px;border:1px solid rgba(255,255,255,.18);
  border-radius:20px;background:rgba(255,255,255,.06);
  color:#fff;font-size:13px;padding:0 38px 0 16px;outline:none;
  transition:border-color var(--transition),background var(--transition),width .3s;
}
.nav-search input::placeholder{color:rgba(255,255,255,.45)}
.nav-search input:focus{border-color:var(--primary);background:rgba(255,255,255,.1)}
.nav-search i{
  position:absolute;right:14px;color:rgba(255,255,255,.5);font-size:13px;pointer-events:none;
}
.btn{
  height:44px;border-radius:8px;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  padding:0 22px;border:none;cursor:pointer;transition:all var(--transition);
  text-decoration:none;line-height:1;
}
.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(200,164,93,.35)}
.btn-primary-custom{
  background:var(--primary);color:var(--dark);
  box-shadow:0 2px 8px rgba(200,164,93,.3);
}
.btn-primary-custom:hover{background:var(--primary-dark);color:var(--dark);transform:translateY(-2px);box-shadow:0 6px 18px rgba(200,164,93,.4)}
.btn-primary-custom:active{transform:translateY(0);box-shadow:0 2px 6px rgba(200,164,93,.3)}
.btn-ghost{
  background:transparent;color:var(--primary);border:1px solid var(--primary);
}
.btn-ghost:hover{background:rgba(200,164,93,.12);color:var(--primary);border-color:var(--primary-dark)}
.nav-collapse-mobile{
  display:none;background:var(--dark);
  padding:16px 24px 20px;
  border-top:1px solid rgba(200,164,93,.15);
}
.nav-collapse-mobile.show{display:block}
.nav-collapse-mobile .nav-links{
  flex-direction:column;align-items:flex-start;gap:4px;margin-bottom:18px;
}
.nav-collapse-mobile .nav-links li{width:100%}
.nav-collapse-mobile .nav-links li a{display:block;padding:10px 0;font-size:16px;width:100%}
.nav-collapse-mobile .nav-tools{flex-direction:column;align-items:stretch;gap:10px}
.nav-collapse-mobile .nav-search input{width:100%;height:46px}
.nav-collapse-mobile .btn{height:46px}
@media(max-width:991.98px){
  .site-header, .header-inner{height:60px}
  .header-inner{height:60px}
  .brand-icon{width:32px;height:32px;font-size:16px;border-radius:8px}
  .brand-text{font-size:18px}
}

/* ===== Breadcrumb ===== */
.article-breadcrumb{
  margin-top:76px;
  background:#EFECE4;
  padding:16px 0;
  border-bottom:1px solid var(--border-light);
}
@media(max-width:991.98px){.article-breadcrumb{margin-top:60px}}
.breadcrumb-list{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;
  font-size:13px;color:var(--text-sub);margin:0;padding:0;gap:8px;
}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li + li::before{content:'/';color:var(--text-weak)}
.breadcrumb-list a{color:var(--text-sub)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list .current{color:var(--text-main);font-weight:500;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Article Main ===== */
.article-main{
  padding:64px 0 80px;
  background:var(--light);
}
.article-container{
  max-width:980px;margin:0 auto;
}
.article-card{
  background:var(--card-bg);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:48px 56px;border:1px solid rgba(230,225,216,.6);
}
@media(max-width:767.98px){
  .article-main{padding:40px 0 48px}
  .article-card{padding:28px 20px}
}
.article-header{margin-bottom:32px;border-bottom:1px solid var(--border-light);padding-bottom:28px}
.article-header h1{
  font-size:36px;font-weight:800;line-height:1.35;color:var(--text-main);
  margin-bottom:18px;letter-spacing:-.5px;
}
@media(max-width:575.98px){.article-header h1{font-size:26px}}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:13px;color:var(--text-sub);
}
.article-meta-item{display:flex;align-items:center;gap:6px}
.article-meta-item i{color:var(--primary);font-size:12px}
.article-meta-divider{width:1px;height:14px;background:var(--border)}
.article-meta .category-badge{
  display:inline-block;padding:3px 14px;border-radius:20px;
  background:rgba(76,107,92,.12);color:var(--accent);
  font-size:12px;font-weight:600;
}

/* ===== Article Content Typography ===== */
.article-content{
  color:var(--text-main);font-size:16px;line-height:1.85;
  word-wrap:break-word;
}
.article-content p{margin-bottom:20px;text-align:justify}
.article-content h2{
  font-size:24px;font-weight:700;margin:48px 0 16px;padding-top:8px;
  color:var(--text-main);
}
.article-content h3{
  font-size:20px;font-weight:700;margin:36px 0 12px;color:var(--text-main);
}
.article-content h4{
  font-size:17px;font-weight:600;margin:28px 0 10px;color:var(--text-main);
}
.article-content a{
  color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;
  transition:color var(--transition);
}
.article-content a:hover{color:var(--primary-darker);text-decoration:none}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:24px}
.article-content ul li{margin-bottom:8px;position:relative}
.article-content ul li::before{
  content:'';position:absolute;left:-20px;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.article-content ol li{margin-bottom:8px}
.article-content blockquote{
  border-left:4px solid var(--primary);
  background:var(--card-sub);
  padding:18px 24px;margin:28px 0;border-radius:0 10px 10px 0;
  color:var(--text-sub);font-size:15px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  border-radius:12px;box-shadow:var(--shadow-card);
  margin:28px auto;max-width:100%;
}
.article-content figure{margin:28px 0}
.article-content figcaption{
  text-align:center;font-size:13px;color:var(--text-weak);margin-top:8px;
}
.article-content pre{
  background:var(--dark);color:#D8D5CE;
  border-radius:8px;padding:20px 24px;overflow-x:auto;
  margin:28px 0;font-size:14px;line-height:1.6;
}
.article-content code{
  font-family:Consolas,"Courier New",monospace;
  background:rgba(200,164,93,.12);color:var(--primary-darker);
  padding:2px 8px;border-radius:4px;font-size:14px;
}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content table{
  width:100%;border-collapse:collapse;margin:28px 0;
  font-size:14px;
}
.article-content table th,
.article-content table td{
  border:1px solid var(--border);padding:10px 14px;text-align:left;
}
.article-content table th{background:var(--card-sub);font-weight:600}
.article-content hr{
  border:none;border-top:1px solid var(--border-light);margin:40px 0;
}

/* ===== Article Tags ===== */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--border-light);
}
.tags-label{font-size:13px;color:var(--text-sub);margin-right:4px}
.tag-pill{
  display:inline-block;padding:5px 16px;border-radius:20px;
  background:rgba(76,107,92,.1);color:var(--accent);
  font-size:12px;font-weight:500;
  transition:background var(--transition);
}
.tag-pill:hover{background:rgba(76,107,92,.2);color:var(--accent)}

/* ===== Related Posts ===== */
.related-section{
  margin-top:56px;
}
.related-section .section-title{
  font-size:22px;font-weight:700;color:var(--text-main);
  margin-bottom:28px;display:flex;align-items:center;gap:10px;
}
.related-section .section-title::after{
  content:'';flex:1;height:1px;background:var(--border-light);max-width:80px;
}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.related-card{
  background:var(--card-bg);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);border:1px solid rgba(230,225,216,.5);
  overflow:hidden;transition:transform var(--transition),box-shadow var(--transition);
}
.related-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
}
.related-card-img{
  height:168px;overflow:hidden;background:var(--card-sub);
}
.related-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--transition);
}
.related-card:hover .related-card-img img{transform:scale(1.04)}
.related-card-body{padding:18px 20px 20px}
.related-card-tag{
  font-size:11px;font-weight:600;color:var(--accent);
  background:rgba(76,107,92,.1);padding:2px 10px;border-radius:20px;
  display:inline-block;margin-bottom:8px;
}
.related-card-title{
  font-size:16px;font-weight:700;color:var(--text-main);
  line-height:1.5;margin-bottom:8px;
}
.related-card-title a:hover{color:var(--primary-dark)}
.related-card-desc{
  font-size:13px;color:var(--text-sub);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.related-card-meta{
  font-size:12px;color:var(--text-weak);display:flex;align-items:center;gap:8px;
}
@media(max-width:991.98px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:575.98px){
  .related-grid{grid-template-columns:1fr}
}

/* ===== Article CTA ===== */
.article-cta{
  margin-top:56px;background:var(--dark);
  border-radius:var(--radius-lg);
  padding:44px 48px;text-align:center;position:relative;overflow:hidden;
}
.article-cta::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(rgba(22,26,32,.55),rgba(22,26,32,.75)),
  url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.3;
}
.article-cta > *{position:relative;z-index:1}
.article-cta h2{
  font-size:26px;font-weight:700;color:#fff;margin-bottom:10px;
}
.article-cta p{
  color:rgba(255,255,255,.7);font-size:15px;margin-bottom:24px;
}
@media(max-width:575.98px){
  .article-cta{padding:36px 22px}
  .article-cta h2{font-size:22px}
}

/* ===== Not Found ===== */
.article-not-found{
  background:var(--card-bg);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:80px 48px;text-align:center;
  border:1px dashed var(--border);
}
.article-not-found i{
  font-size:48px;color:var(--text-weak);margin-bottom:20px;display:block;
}
.article-not-found h2{font-size:26px;font-weight:700;color:var(--text-main);margin-bottom:12px}
.article-not-found p{color:var(--text-sub);font-size:15px;margin-bottom:28px}
.btn-back-home{
  background:var(--primary);color:var(--dark);border-radius:8px;
  height:46px;padding:0 32px;display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;transition:all var(--transition);
}
.btn-back-home:hover{background:var(--primary-dark);color:var(--dark);transform:translateY(-2px)}

/* ===== Footer ===== */
.site-footer{
  background:var(--dark);
  border-top:1px solid rgba(200,164,93,.25);
  padding:60px 0 0;
  color:rgba(255,255,255,.7);
}
.site-footer h4{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.site-footer h4::after{
  content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:var(--primary);border-radius:2px;
}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{
  font-size:14px;color:rgba(255,255,255,.65);
  transition:color var(--transition);
}
.site-footer ul li a:hover{color:var(--primary)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-text-footer{
  font-size:20px;font-weight:700;color:#fff;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;margin-top:44px;text-align:center;
}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,.45);margin:0;
}
.footer-bottom .icp{margin-left:8px}
@media(max-width:767.98px){
  .site-footer .col-lg-4{margin-bottom:28px}
}

/* ===== Float CTA ===== */
.float-cta{
  position:fixed;right:20px;bottom:20px;z-index:999;
  background:var(--primary);color:var(--dark);
  border-radius:50px;height:48px;padding:0 24px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;
  box-shadow:0 4px 16px rgba(200,164,93,.45);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .35s var(--transition);
  text-decoration:none;border:none;
}
.float-cta.show{
  opacity:1;visibility:visible;transform:translateY(0);
}
.float-cta:hover{
  background:var(--primary-dark);color:var(--dark);
  width:150px;box-shadow:0 6px 24px rgba(200,164,93,.55);
}
@media(max-width:575.98px){
  .float-cta{width:120px;padding:0 16px;font-size:14px;right:14px;bottom:14px}
  .float-cta:hover{width:128px}
}

/* ===== Utils ===== */
.gap-4{gap:1.1rem}
.mb-4{margin-bottom:1.5rem}

/* roulang page: category3 */
:root {
            --primary: #C8A45D;
            --primary-hover: #B38D43;
            --primary-active: #9C7838;
            --dark: #161A20;
            --dark-soft: #1F242C;
            --light: #F4F1EA;
            --card-bg: #FFFFFF;
            --card-soft: #F9F6EF;
            --text-main: #2B2B2B;
            --text-secondary: #6E6E6E;
            --text-muted: #9A9A9A;
            --support: #4C6B5C;
            --warning: #C05B3D;
            --border: #E6E1D8;
            --border-soft: #EEE8DC;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-pill: 20px;
            --shadow-sm: 0 1px 3px rgba(22, 26, 32, .06), 0 4px 12px rgba(22, 26, 32, .04);
            --shadow-hover: 0 8px 24px rgba(22, 26, 32, .12);
            --ease: cubic-bezier(.2, .6, .2, 1);
            --spacing-section: 80px;
            --spacing-mobile: 48px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--light);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s var(--ease);
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        @media(max-width:768px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        /* ===== 按钮 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #1c1a17;
            font-weight: 600;
            font-size: 14px;
            height: 46px;
            padding: 0 26px;
            border: none;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 14px rgba(200, 164, 93, .35);
            transition: all .22s var(--ease);
            letter-spacing: .3px;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #141210;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(200, 164, 93, .4);
        }
        .btn-primary-custom:active {
            background: var(--primary-active);
            transform: translateY(-1px);
            box-shadow: 0 3px 10px rgba(200, 164, 93, .3);
        }
        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(200, 164, 93, .35);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            height: 44px;
            padding: 0 24px;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            transition: all .22s var(--ease);
        }
        .btn-ghost:hover {
            background: rgba(200, 164, 93, .08);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }
        .btn-ghost:active {
            transform: scale(.98);
        }
        .btn-ghost:focus-visible {
            outline: 3px solid rgba(200, 164, 93, .3);
            outline-offset: 2px;
        }
        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--dark);
            font-weight: 600;
            font-size: 14px;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            border: none;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
            transition: all .22s var(--ease);
        }
        .btn-light-custom:hover {
            background: var(--light);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
        }
        @media(max-width:768px) {
            .btn-primary-custom,
            .btn-light-custom {
                height: 48px;
                padding: 0 22px;
            }
            .btn-ghost {
                height: 48px;
                padding: 0 18px;
            }
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(22, 26, 32, .95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(200, 164, 93, .25);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary);
            color: #1c1a17;
            font-weight: 800;
            font-size: 16px;
            line-height: 1;
            box-shadow: 0 2px 8px rgba(200, 164, 93, .4);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: rgba(255, 255, 255, .82);
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 8px 0;
            transition: color .2s var(--ease);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width .25s var(--ease);
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-tools {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 180px;
            height: 38px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 8px;
            padding: 0 14px 0 34px;
            font-size: 13px;
            color: #fff;
            outline: none;
            transition: all .2s var(--ease);
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, .4);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, .12);
            box-shadow: 0 0 0 3px rgba(200, 164, 93, .15);
        }
        .nav-search i {
            position: absolute;
            left: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            pointer-events: none;
        }
        .nav-toggle {
            background: none;
            border: none;
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all .25s var(--ease);
        }
        .nav-collapse-mobile {
            display: none;
            background: var(--dark);
            border-bottom: 1px solid rgba(200, 164, 93, .25);
            padding: 20px 24px 24px;
        }
        .nav-collapse-mobile.show {
            display: block;
            animation: fadeIn .25s var(--ease);
        }
        .nav-collapse-mobile .nav-links {
            flex-direction: column;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        .nav-collapse-mobile .nav-links a {
            font-size: 15px;
        }
        .nav-collapse-mobile .nav-tools {
            flex-wrap: wrap;
        }
        .nav-collapse-mobile .btn-primary-custom {
            width: 100%;
            justify-content: center;
        }
        .nav-collapse-mobile .btn-ghost {
            width: 100%;
        }
        .nav-collapse-mobile .nav-search {
            width: 100%;
            margin-bottom: 12px;
        }
        .nav-collapse-mobile .nav-search input {
            width: 100%;
            height: 44px;
            background: rgba(255, 255, 255, .08);
        }
        @media(max-width:992px) {
            .site-header {
                height: 64px;
            }
            .header-inner {
                height: 64px;
            }
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(22, 26, 32, .65), rgba(22, 26, 32, .78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 140px 0 80px;
            border-bottom: 1px solid rgba(200, 164, 93, .25);
        }
        .cat-hero .hero-content {
            max-width: 760px;
        }
        .cat-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 164, 93, .18);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(200, 164, 93, .3);
            margin-bottom: 20px;
        }
        .cat-hero h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .cat-hero h1 .gold {
            color: var(--primary);
        }
        .cat-hero p.lead {
            color: #D8D5CE;
            font-size: 17px;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 620px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .14);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
        }
        @media(max-width:768px) {
            .cat-hero {
                min-height: 480px;
                padding: 110px 0 56px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .cat-hero p.lead {
                font-size: 15px;
            }
            .hero-stats {
                gap: 20px;
            }
        }
        /* ===== 通用板块标题 ===== */
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 640px;
        }
        .section-head-left {
            margin-bottom: 48px;
        }
        @media(max-width:768px) {
            .section-title {
                font-size: 24px;
            }
            .section-sub {
                font-size: 15px;
            }
        }
        /* ===== 简介区 ===== */
        .cat-intro {
            background: var(--light);
        }
        .intro-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 36px;
            height: 100%;
            border: 1px solid rgba(230, 225, 216, .5);
        }
        .intro-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .intro-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .intro-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            min-height: 260px;
            box-shadow: var(--shadow-sm);
        }
        .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        @media(max-width:992px) {
            .intro-card {
                padding: 24px;
            }
        }
        /* ===== 权益要点 ===== */
        .benefit-points {
            background: var(--dark);
            color: #fff;
        }
        .benefit-points .section-title {
            color: #fff;
        }
        .benefit-points .section-sub {
            color: rgba(255, 255, 255, .65);
        }
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .benefit-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all .25s var(--ease);
        }
        .benefit-item:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(200, 164, 93, .35);
            transform: translateY(-4px);
        }
        .benefit-item .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(200, 164, 93, .18);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--primary);
            font-size: 20px;
        }
        .benefit-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .benefit-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.65;
            margin-bottom: 0;
        }
        @media(max-width:992px) {
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:576px) {
            .benefit-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== 会员档位 ===== */
        .tier-compare {
            background: #fff;
        }
        .tier-wrap {
            display: flex;
            align-items: flex-start;
            gap: 32px;
        }
        .tier-card {
            flex: 1;
            background: var(--card-soft);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            position: relative;
            transition: all .25s var(--ease);
        }
        .tier-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .tier-card.featured {
            background: var(--dark);
            border: 2px solid var(--primary);
            padding: 44px 36px;
            margin-top: -12px;
            box-shadow: 0 12px 32px rgba(22, 26, 32, .18);
        }
        .tier-card.featured:hover {
            box-shadow: 0 16px 40px rgba(22, 26, 32, .25);
        }
        .tier-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--primary);
            color: #1c1a17;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: .5px;
        }
        .tier-name {
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .tier-featured .tier-name {
            color: var(--primary);
        }
        .tier-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .tier-featured .tier-price {
            color: var(--primary);
        }
        .tier-price span {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .tier-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .tier-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }
        .tier-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 7px 0;
        }
        .tier-list li i {
            color: var(--support);
            font-size: 13px;
            margin-top: 4px;
        }
        .tier-featured .tier-list li {
            color: rgba(255, 255, 255, .75);
        }
        .tier-featured .tier-list li i {
            color: var(--primary);
        }
        .tier-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
            text-align: center;
        }
        .tier-featured .tier-note {
            color: rgba(255, 255, 255, .45);
        }
        @media(max-width:992px) {
            .tier-wrap {
                flex-direction: column;
            }
            .tier-card.featured {
                margin-top: 0;
            }
        }
        /* ===== 开通流程 ===== */
        .benefit-steps {
            background: var(--light);
        }
        .steps-flow {
            display: flex;
            gap: 20px;
            align-items: stretch;
        }
        .step-item {
            flex: 1;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            position: relative;
            transition: all .25s var(--ease);
        }
        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .step-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            opacity: .35;
            line-height: 1;
            margin-bottom: 16px;
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }
        .step-arrow {
            display: flex;
            align-items: center;
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
        }
        @media(max-width:992px) {
            .steps-flow {
                flex-direction: column;
            }
            .step-arrow {
                transform: rotate(90deg);
                justify-content: center;
                padding: 4px 0;
            }
        }
        /* ===== FAQ ===== */
        .cat-faq {
            background: #fff;
        }
        .faq-wrap {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 48px;
            align-items: start;
        }
        .faq-side .faq-side-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .faq-side p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .accordion-item {
            border: none;
            background: var(--card-bg);
            border-radius: 12px !important;
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: border-color .25s var(--ease);
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--primary);
            border-color: var(--primary);
        }
        .accordion-button {
            background: var(--card-bg);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 22px;
            box-shadow: none;
            transition: all .2s var(--ease);
        }
        .accordion-button:not(.collapsed) {
            background: var(--card-soft);
            color: var(--text-main);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 164, 93, .2);
            border-color: transparent;
        }
        .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform .25s var(--ease);
        }
        .accordion-button:not(.collapsed)::after {
            content: "−";
            transform: rotate(0deg);
            color: var(--primary);
        }
        .accordion-body {
            padding: 4px 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: var(--card-bg);
        }
        @media(max-width:992px) {
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        /* ===== CTA ===== */
        .cat-cta {
            background: linear-gradient(135deg, var(--dark), #202830);
            color: #fff;
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cat-cta::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(200, 164, 93, .08);
        }
        .cat-cta h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
        }
        .cat-cta p {
            color: rgba(255, 255, 255, .65);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
        }
        .cat-cta .hero-btns {
            justify-content: center;
            margin-bottom: 0;
            position: relative;
        }
        @media(max-width:768px) {
            .cat-cta h2 {
                font-size: 24px;
            }
        }
        /* ===== 关联卡片 ===== */
        .rel-cards {
            background: var(--light);
        }
        .rel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .rel-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all .25s var(--ease);
            display: block;
        }
        .rel-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .rel-card .rel-img {
            height: 170px;
            overflow: hidden;
        }
        .rel-card .rel-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s var(--ease);
        }
        .rel-card:hover .rel-img img {
            transform: scale(1.05);
        }
        .rel-card .rel-body {
            padding: 22px 24px 26px;
        }
        .rel-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .rel-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .rel-card .rel-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .rel-card .rel-link i {
            transition: transform .2s var(--ease);
        }
        .rel-card:hover .rel-link i {
            transform: translateX(4px);
        }
        @media(max-width:992px) {
            .rel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:576px) {
            .rel-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            border-top: 1px solid rgba(200, 164, 93, .3);
            padding: 56px 0 0;
            color: rgba(255, 255, 255, .75);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .brand-text-footer {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color .2s var(--ease);
        }
        .site-footer ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding: 20px 0 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom .icp {
            margin-left: 16px;
        }
        @media(max-width:768px) {
            .site-footer {
                padding-top: 40px;
            }
        }
        /* ===== 浮动CTA ===== */
        .float-cta {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #1c1a17;
            font-weight: 700;
            font-size: 14px;
            height: 48px;
            padding: 0 22px;
            border-radius: 30px;
            box-shadow: 0 8px 24px rgba(200, 164, 93, .4);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .25s var(--ease);
            white-space: nowrap;
            text-decoration: none;
        }
        .float-cta.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .float-cta:hover {
            background: var(--primary-hover);
            color: #141210;
            width: 160px;
            box-shadow: 0 10px 30px rgba(200, 164, 93, .5);
        }
        .float-cta i {
            font-size: 13px;
        }
        @media(max-width:768px) {
            .float-cta {
                width: 120px;
                padding: 0 16px;
                right: 16px;
                bottom: 16px;
            }
            .float-cta:hover {
                width: 120px;
            }
        }
        /* ===== 通用辅助 ===== */
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(76, 107, 92, .12);
            color: var(--support);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
        }
        .gold-divider {
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-bottom: 20px;
        }
        .img-radius {
            border-radius: 12px;
        }

/* roulang page: category2 */
:root {
            --clr-primary: #C8A45D;
            --clr-primary-hover: #B38D43;
            --clr-primary-active: #9C7838;
            --clr-dark: #161A20;
            --clr-dark-soft: #1E242B;
            --clr-ivory: #F4F1EA;
            --clr-card: #FFFFFF;
            --clr-card-soft: #F9F6EF;
            --clr-text: #2B2B2B;
            --clr-text-sub: #6E6E6E;
            --clr-text-muted: #9A9A9A;
            --clr-accent: #4C6B5C;
            --clr-warn: #C05B3D;
            --clr-border: #E6E1D8;
            --clr-divider: #EEE8DC;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-pill: 20px;
            --shadow-card: 0 1px 3px rgba(22,26,32,.06), 0 4px 12px rgba(22,26,32,.04);
            --shadow-hover: 0 8px 24px rgba(22,26,32,.12);
            --transition: cubic-bezier(.2,.6,.2,1) 220ms;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--clr-text);
            background-color: var(--clr-ivory);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        h1, h2, h3, h4, h5, h6 {
            margin-top: 0;
            font-weight: 700;
            line-height: 1.3;
        }

        p {
            margin-top: 0;
        }

        .container {
            max-width: 1200px;
        }

        .text-gold {
            color: var(--clr-primary) !important;
        }

        .btn {
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .btn-primary-custom {
            background: var(--clr-primary);
            color: var(--clr-dark);
            border-color: var(--clr-primary);
            box-shadow: 0 2px 8px rgba(200,164,93,.3);
        }

        .btn-primary-custom:hover {
            background: var(--clr-primary-hover);
            border-color: var(--clr-primary-hover);
            color: var(--clr-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(200,164,93,.4);
        }

        .btn-primary-custom:active {
            background: var(--clr-primary-active);
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(200,164,93,.4);
            outline-offset: 2px;
        }

        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,.65);
        }

        .btn-outline-custom:hover {
            background: rgba(200,164,93,.15);
            border-color: var(--clr-primary);
            color: var(--clr-primary);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--clr-text);
            border: 1px solid var(--clr-border);
        }

        .btn-outline-dark:hover {
            background: rgba(200,164,93,.08);
            border-color: var(--clr-primary);
            color: var(--clr-primary);
        }

        .btn-ghost {
            background: transparent;
            color: rgba(255,255,255,.85);
            border: 1px solid rgba(255,255,255,.25);
            min-height: 40px;
            padding: 6px 18px;
            font-size: 14px;
        }

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

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(22,26,32,.92);
            border-bottom: 1px solid rgba(200,164,93,.25);
            min-height: 76px;
            transition: background .3s ease;
        }

        .site-header.scrolled {
            background: rgba(22,26,32,.96);
            backdrop-filter: blur(8px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

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

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--clr-primary);
            color: var(--clr-dark);
            border-radius: 8px;
            font-size: 18px;
            font-weight: 800;
            line-height: 1;
        }

        .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            color: rgba(255,255,255,.75);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--clr-primary);
            transition: width var(--transition);
        }

        .nav-links a:hover {
            color: var(--clr-primary);
        }

        .nav-links a.active {
            color: var(--clr-primary);
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            width: 180px;
            height: 40px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,.2);
            background: rgba(255,255,255,.08);
            color: #fff;
            padding: 0 38px 0 16px;
            font-size: 14px;
            transition: all var(--transition);
        }

        .nav-search input::placeholder {
            color: rgba(255,255,255,.5);
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--clr-primary);
            background: rgba(255,255,255,.12);
            box-shadow: 0 0 0 3px rgba(200,164,93,.25);
        }

        .nav-search i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255,255,255,.5);
            font-size: 14px;
            pointer-events: none;
        }

        .nav-toggle {
            border: none;
            background: transparent;
            width: 40px;
            height: 40px;
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            padding: 8px;
            margin-left: auto;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 22px;
            background: #fff;
            border-radius: 2px;
        }

        .nav-collapse-mobile {
            display: none;
        }

        .nav-collapse-mobile.show {
            display: block;
            background: var(--clr-dark);
            padding: 20px 24px 24px;
            border-top: 1px solid rgba(200,164,93,.2);
        }

        .nav-collapse-mobile .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 16px;
        }

        .nav-collapse-mobile .nav-tools {
            flex-wrap: wrap;
        }

        .nav-collapse-mobile .nav-search {
            width: 100%;
        }

        .nav-collapse-mobile .nav-search input {
            width: 100%;
        }

        @media (min-width: 992px) {
            .nav-collapse-mobile {
                display: none !important;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(rgba(22,26,32,.55), rgba(22,26,32,.75));
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(200,164,93,.18);
            color: var(--clr-primary);
            border: 1px solid rgba(200,164,93,.35);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }

        .hero-sub {
            font-size: 17px;
            color: #D8D5CE;
            max-width: 640px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,.15);
        }

        .stat-item {
            text-align: left;
        }

        .stat-num {
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: var(--clr-primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,.6);
            margin-top: 4px;
            display: block;
        }

        /* ===== Sections ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--clr-card-soft);
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--clr-primary);
            background: rgba(200,164,93,.1);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 14px;
        }

        .section-subtitle {
            color: var(--clr-text-sub);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Intro ===== */
        .intro-section {
            background: var(--clr-ivory);
        }

        .intro-card {
            background: var(--clr-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 40px 44px;
            border-left: 4px solid var(--clr-primary);
        }

        .intro-card p {
            margin-bottom: 0;
            font-size: 16px;
            color: var(--clr-text-sub);
        }

        /* ===== Features ===== */
        .features-section {
            background: var(--clr-card);
        }

        .feature-card {
            background: var(--clr-card-soft);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            height: 100%;
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(200,164,93,.35);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--clr-dark);
            color: var(--clr-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }

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

        .feature-card p {
            font-size: 14px;
            color: var(--clr-text-sub);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== Scenario ===== */
        .scenario-section {
            background: var(--clr-ivory);
        }

        .scenario-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

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

        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--clr-card);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            font-size: 15px;
            font-weight: 600;
            color: var(--clr-text);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .scenario-list li:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .scenario-list li i {
            color: var(--clr-accent);
            font-size: 17px;
            margin-top: 4px;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--clr-dark);
            position: relative;
        }

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

        .process-section .section-subtitle {
            color: rgba(255,255,255,.7);
        }

        .process-step {
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(255,255,255,.08);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            height: 100%;
            transition: all var(--transition);
        }

        .process-step:hover {
            border-color: rgba(200,164,93,.4);
            background: rgba(255,255,255,.08);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--clr-primary);
            color: var(--clr-dark);
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .process-step h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            color: rgba(255,255,255,.65);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .process-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-primary);
            font-size: 20px;
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            z-index: 2;
        }

        /* ===== Checklist ===== */
        .checklist-section {
            background: var(--clr-card);
        }

        .checklist-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--clr-card-soft);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            margin-bottom: 14px;
            transition: all var(--transition);
        }

        .checklist-item:hover {
            border-color: rgba(200,164,93,.4);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .checklist-item i {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            background: var(--clr-accent);
            color: #fff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .checklist-item span {
            font-size: 15px;
            font-weight: 500;
            color: var(--clr-text);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--clr-ivory);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 48px;
        }

        .faq-left .section-title {
            font-size: 30px;
            margin-bottom: 16px;
        }

        .faq-left .section-subtitle {
            font-size: 15px;
        }

        .faq-right .accordion-item {
            background: var(--clr-card);
            border: none;
            border-radius: var(--radius-md) !important;
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-right .accordion-button {
            background: var(--clr-card);
            color: var(--clr-text);
            font-size: 16px;
            font-weight: 700;
            padding: 20px 24px;
            border-left: 3px solid transparent;
            transition: all var(--transition);
            box-shadow: none;
        }

        .faq-right .accordion-button:not(.collapsed) {
            background: var(--clr-card);
            color: var(--clr-primary);
            border-left-color: var(--clr-primary);
        }

        .faq-right .accordion-button:focus {
            box-shadow: none;
            border-left-color: var(--clr-primary);
        }

        .faq-right .accordion-button::after {
            background: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\2b";
            color: var(--clr-primary);
            font-size: 18px;
        }

        .faq-right .accordion-button:not(.collapsed)::after {
            content: "\f068";
            background: none;
        }

        .faq-right .accordion-body {
            padding: 0 24px 22px;
            color: var(--clr-text-sub);
            font-size: 14px;
            line-height: 1.8;
            border-left: 3px solid var(--clr-primary);
            background: var(--clr-card);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--clr-dark);
            position: relative;
            padding: 70px 0;
            border-top: 1px solid rgba(200,164,93,.25);
        }

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

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255,255,255,.7);
            font-size: 16px;
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ===== Related ===== */
        .related-section {
            background: var(--clr-card);
        }

        .related-card {
            display: block;
            background: var(--clr-card-soft);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: all var(--transition);
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(200,164,93,.35);
        }

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

        .related-card .related-body {
            padding: 20px 22px;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 8px;
        }

        .related-card p {
            font-size: 14px;
            color: var(--clr-text-sub);
            margin-bottom: 14px;
            line-height: 1.6;
        }

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

        .related-card .related-link i {
            transition: transform var(--transition);
        }

        .related-card:hover .related-link i {
            transform: translateX(4px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-dark);
            border-top: 1px solid rgba(200,164,93,.25);
            padding: 60px 0 24px;
            color: rgba(255,255,255,.7);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .brand-text-footer {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 24px;
            height: 2px;
            background: var(--clr-primary);
        }

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

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

        .site-footer ul li a {
            color: rgba(255,255,255,.6);
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }

        .footer-bottom .icp {
            margin-left: 16px;
        }

        /* ===== Float CTA ===== */
        .float-cta {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            background: var(--clr-primary);
            color: var(--clr-dark);
            width: 148px;
            height: 48px;
            border-radius: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(200,164,93,.45);
            opacity: 0;
            visibility: hidden;
            transform: translateY(16px);
            transition: all .3s var(--transition);
        }

        .float-cta:hover {
            background: var(--clr-primary-hover);
            color: var(--clr-dark);
            width: 154px;
        }

        .float-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .nav-search input {
                width: 150px;
            }
        }

        @media (max-width: 991.98px) {
            .site-header {
                min-height: 60px;
            }

            .header-inner {
                min-height: 60px;
            }

            .hero-section {
                min-height: auto;
                padding: 120px 0 60px;
            }

            .hero-title {
                font-size: 34px;
            }

            .section {
                padding: 56px 0;
            }

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

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .process-arrow {
                display: none;
            }

            .process-step {
                margin-bottom: 16px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 28px;
            }

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

            .hero-stats {
                gap: 24px;
            }

            .stat-num {
                font-size: 26px;
            }

            .intro-card {
                padding: 28px 24px;
            }

            .feature-card {
                padding: 22px 20px;
            }

            .scenario-img {
                max-height: 260px;
                min-height: 200px;
            }

            .btn {
                min-height: 48px;
                padding: 10px 20px;
            }

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

            .related-card img {
                height: 160px;
            }

            .nav-search input {
                width: 140px;
            }
        }

        @media (max-width: 575.98px) {
            .section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 22px;
            }

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

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

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

            .hero-stats {
                flex-direction: column;
                gap: 14px;
            }

            .stat-item {
                display: flex;
                align-items: baseline;
                gap: 10px;
            }

            .stat-num {
                font-size: 24px;
            }

            .float-cta {
                width: 124px;
                height: 46px;
                right: 14px;
                bottom: 14px;
                font-size: 14px;
            }

            .float-cta:hover {
                width: 130px;
            }

            .checklist-item {
                flex-wrap: wrap;
            }
        }