/* roulang page: index */
:root {
  --primary-dark: #1F2326;
  --primary-dark-2: #2D3338;
  --accent: #E8902A;
  --accent-hover: #D67D18;
  --accent-light: #FBF0E2;
  --bg-warm: #F5F3EF;
  --card-bg: #FFFFFF;
  --border-color: #E3E0DA;
  --text-main: #2B2E33;
  --text-secondary: #6B7076;
  --text-on-dark: #F2EFE9;
  --text-secondary-dark: #A6A9AD;
  --success: #3A9E7E;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 6px rgba(31,35,38,0.04);
  --shadow-lg: 0 10px 24px rgba(31,35,38,0.10);
  --font-base: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --section-space: 96px;
  --nav-height: 64px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-base); background: var(--bg-warm); color: var(--text-main); line-height: 1.75; font-size: 1rem; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: var(--section-space) 0; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.25rem); line-height: 1.3; font-weight: 700; color: var(--text-main); position: relative; padding-left: 20px; margin-bottom: 12px; }
.section-title::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 8px; height: 32px; background: var(--accent); border-radius: 3px; }
.section-sub { font-size: 1rem; color: var(--text-secondary); max-width: 680px; margin-bottom: 48px; line-height: 1.7; }
.text-center { text-align: center; }
.text-center.section-title { padding-left: 0; }
.text-center.section-title::before { display: none; }
section { scroll-margin-top: 80px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 24px; border-radius: 8px; font-weight: 500; font-size: 0.9375rem; line-height: 1; border: none; cursor: pointer; transition: all .25s ease; white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-hover); color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(232,144,42,.25); }
.btn-primary:focus, .btn-secondary:focus, .btn-sm:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn-secondary { background: transparent; color: var(--primary-dark); border: 1.5px solid var(--primary-dark); }
.btn-secondary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-dark { background: var(--primary-dark); color: var(--text-on-dark); }
.btn-dark:hover { background: var(--primary-dark-2); color: #fff; transform: translateY(-1px); }
.btn-sm { height: 36px; padding: 0 18px; font-size: .875rem; border-radius: 8px; }
.btn-lg { height: 52px; padding: 0 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* 悬浮胶囊导航 */
.floating-nav { position: fixed; top: 16px; left: 0; right: 0; z-index: 999; display: flex; justify-content: center; padding: 0 16px; pointer-events: none; }
.nav-capsule { max-width: 1200px; width: 100%; display: flex; align-items: center; justify-content: space-between; background: rgba(31,35,38,.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-radius: 999px; padding: 8px 20px; box-shadow: 0 6px 24px rgba(31,35,38,.18); pointer-events: auto; border: 1px solid rgba(255,255,255,.06); }
.nav-brand { font-size: 1.1rem; font-weight: 700; color: var(--text-on-dark); letter-spacing: .02em; display: flex; align-items: center; gap: 8px; }
.nav-brand::before { content: ''; display: block; width: 10px; height: 10px; background: var(--accent); border-radius: 2px; }
.nav-menu { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-menu a { color: #D8D8D8; font-size: .875rem; padding: 6px 14px; border-radius: 999px; position: relative; transition: color .2s ease; white-space: nowrap; }
.nav-menu a:hover { color: #fff; }
.nav-menu a.active { color: #fff; }
.nav-menu a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-on-dark); font-size: 1.4rem; cursor: pointer; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 8px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; margin: 4px auto; border-radius: 1px; transition: all .3s ease; }
@media (max-width: 768px) {
  .nav-capsule { padding: 6px 14px; }
  .nav-menu { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(31,35,38,.92); flex-direction: column; align-items: center; justify-content: center; gap: 28px; z-index: -1; }
  .nav-menu.open { display: flex; }
  .nav-menu a { font-size: 1.05rem; padding: 8px 20px; }
  .nav-menu a.active::after { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { margin-left: auto; margin-right: 8px; }
}

/* Hero */
.hero { padding: 140px 0 80px; background: var(--bg-warm); position: relative; }
.hero .row { align-items: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.15; font-weight: 700; color: var(--text-main); margin-bottom: 24px; letter-spacing: -.01em; }
.hero .lead { font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; max-width: 520px; }
.hero .btn-group { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
.hero .trust-line { font-size: .85rem; color: var(--text-secondary); }
.hero .trust-line span { display: inline-block; margin-right: 18px; }
.hero .trust-line strong { font-weight: 600; color: var(--primary-dark); }
.hero-visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-visual::before { content: ''; position: absolute; top: -12px; right: -12px; width: 60%; height: 60%; border: 1px solid var(--accent); border-radius: var(--radius); z-index: 0; pointer-events: none; opacity: .5; }
.hero-visual img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; position: relative; z-index: 1; border-radius: var(--radius); }
.hero-info-card { position: absolute; bottom: 16px; left: 16px; right: auto; width: 60%; background: rgba(31,35,38,.82); backdrop-filter: blur(6px); z-index: 2; border-radius: 10px; padding: 12px 16px; color: var(--text-on-dark); border: 1px solid rgba(255,255,255,.08); }
.hero-info-card .info-label { font-size: .8rem; color: var(--accent); font-weight: 600; display: block; margin-bottom: 2px; }
.hero-info-card .info-desc { font-size: .78rem; color: var(--text-secondary-dark); }
@media (max-width: 1023px) {
  .hero { padding: 120px 0 56px; }
  .hero .columns { text-align: left; }
  .hero-visual { margin-top: 36px; }
}
@media (max-width: 767px) {
  .hero { padding: 100px 0 40px; }
  .btn-group { flex-direction: column; align-items: stretch; }
  .btn-group .btn { width: 100%; }
}

/* 卖点区 */
.features-grid { margin-top: 16px; }
.feature-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); transition: all .3s ease; height: 100%; }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon { width: 40px; height: 40px; background: var(--accent-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--accent); margin-bottom: 16px; transition: all .3s ease; }
.feature-card:hover .feature-icon { background: var(--accent); color: #fff; }
.feature-card h3 { font-size: 1.2rem; line-height: 1.35; font-weight: 600; color: var(--text-main); margin-bottom: 10px; }
.feature-card p { font-size: .875rem; color: var(--text-secondary); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 演示区 */
.demo-section { background: var(--primary-dark); padding: var(--section-space) 0; position: relative; border-top: 1px solid rgba(232,144,42,.5); border-bottom: 1px solid rgba(232,144,42,.5); }
.demo-section .section-title { color: var(--text-on-dark); }
.demo-section .section-sub { color: var(--text-secondary-dark); }
.demo-block { margin-bottom: 72px; }
.demo-block:last-child { margin-bottom: 0; }
.demo-block .row { align-items: center; }
.demo-block h3 { color: var(--text-on-dark); font-size: 1.5rem; font-weight: 600; line-height: 1.35; margin-bottom: 16px; }
.demo-block p { color: var(--text-secondary-dark); font-size: .9rem; line-height: 1.75; margin-bottom: 12px; max-width: 480px; }
.demo-link { color: var(--accent); font-size: .875rem; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.demo-link:hover { color: var(--accent-hover); text-decoration: underline; }
.demo-visual { position: relative; }
.demo-visual img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.08); }
.demo-tag { position: absolute; bottom: 14px; left: 14px; background: rgba(31,35,38,.85); color: var(--text-on-dark); font-size: .78rem; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(232,144,42,.4); letter-spacing: .02em; }
@media (max-width: 1023px) {
  .demo-block .columns { margin-bottom: 24px; }
  .demo-block .columns:last-child { margin-bottom: 0; }
}

/* 证据区 */
.evidence-nums { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 40px 24px; margin-bottom: 48px; }
.num-item { text-align: center; padding: 20px 8px; }
.num-item .num { font-size: 3rem; font-weight: 700; color: var(--accent); line-height: 1.2; }
.num-item .label { font-size: .875rem; color: var(--text-secondary); margin-top: 8px; }
.client-cards { display: flex; flex-wrap: wrap; gap: 24px; }
.client-card { flex: 1 1 calc(50% - 24px); min-width: 260px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; transition: all .3s ease; }
.client-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--accent); }
.client-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.client-card blockquote { font-size: .9375rem; color: var(--text-main); line-height: 1.7; margin-bottom: 16px; font-style: normal; }
.client-card .client-meta { font-size: .8rem; color: var(--text-secondary); display: flex; gap: 8px; align-items: center; }
.client-card .client-meta .industry { background: var(--accent-light); color: var(--accent-hover); padding: 2px 10px; border-radius: 999px; font-size: .75rem; font-weight: 500; }

/* 价格区 */
.price-grid { margin-top: 24px; }
.price-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 36px 28px; height: 100%; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); transition: all .3s ease; position: relative; }
.price-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.price-card.featured { border: 2px solid var(--accent); box-shadow: 0 12px 32px rgba(232,144,42,.15); }
.price-card.featured .price-badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--primary-dark); font-size: .72rem; font-weight: 600; padding: 4px 16px; border-radius: 999px; letter-spacing: .03em; }
.price-card h3 { font-size: 1.15rem; font-weight: 600; color: var(--text-main); margin-bottom: 12px; }
.price-row { display: flex; align-items: baseline; gap: 6px; margin-bottom: 24px; color: var(--text-main); }
.price-row .symbol { font-size: 1rem; font-weight: 500; }
.price-row .amount { font-size: 2rem; font-weight: 700; letter-spacing: -.01em; }
.price-row .period { font-size: .85rem; color: var(--text-secondary); }
.price-row .custom { font-size: 1.4rem; font-weight: 700; }
.price-feature-list { list-style: none; margin: 0 0 24px; flex: 1; }
.price-feature-list li { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; font-size: .875rem; color: var(--text-main); line-height: 1.5; }
.price-feature-list li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: box-shadow .3s ease; }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.open { box-shadow: var(--shadow-sm); border-color: var(--accent); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; cursor: pointer; font-weight: 500; font-size: .9375rem; color: var(--text-main); }
.faq-q .faq-icon { width: 24px; height: 24px; border: 1.5px solid var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); font-size: 1rem; font-weight: 600; transition: transform .3s ease; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s ease; padding: 0 24px; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 20px; }
.faq-a p { font-size: .875rem; color: var(--text-secondary); line-height: 1.7; }

/* 最新资讯 */
.news-grid { margin-top: 16px; }
.news-card { display: flex; flex-direction: column; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .3s ease; height: 100%; }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-card:hover h3 { color: var(--accent); }
.news-thumb { position: relative; aspect-ratio: 4/3; background: var(--primary-dark-2); overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb.empty { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-dark-2) 25%, transparent 25%) 0 0/24px 24px, var(--primary-dark-2); }
.news-thumb.empty::after { content: ''; font-size: .8rem; color: rgba(255,255,255,.3); }
.news-body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.news-cat { font-size: .72rem; color: var(--accent-hover); font-weight: 500; text-transform: none; letter-spacing: .02em; margin-bottom: 8px; background: var(--accent-light); padding: 2px 10px; border-radius: 4px; display: inline-block; align-self: flex-start; }
.news-body h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.35; margin-bottom: 8px; color: var(--text-main); transition: color .2s ease; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: .85rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; font-size: .78rem; color: var(--text-secondary); }
.news-meta .read-more { color: var(--accent-hover); font-weight: 500; }
.news-empty { background: var(--card-bg); border: 1px dashed var(--border-color); border-radius: var(--radius); padding: 48px 24px; text-align: center; color: var(--text-secondary); font-size: .9rem; }

/* 底部CTA */
.cta-section { background: var(--primary-dark); padding: 80px 0; position: relative; }
.cta-section .section-title { color: var(--text-on-dark); }
.cta-section .section-sub { color: var(--text-secondary-dark); }
.cta-form { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 32px; max-width: 760px; margin: 0 auto; }
.cta-form .row { margin: 0 -10px; }
.cta-form .columns { padding: 0 10px; }
.cta-form input { height: 48px; width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border-color); background: #fff; color: var(--text-main); padding: 0 16px; font-size: .875rem; transition: all .2s ease; margin-bottom: 12px; }
.cta-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,144,42,.2); }
.cta-form .btn { width: 100%; }
.form-success { color: var(--success); font-size: .875rem; margin-top: 10px; display: none; }
@media (max-width: 767px) {
  .cta-form { padding: 24px 20px; }
}

/* 页脚 */
.site-footer { background: var(--primary-dark); color: var(--text-secondary-dark); padding: 64px 0 24px; }
.footer-brand { font-size: 1.15rem; font-weight: 700; color: var(--text-on-dark); display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.footer-brand::before { content: ''; width: 10px; height: 10px; background: var(--accent); border-radius: 2px; }
.footer-desc { font-size: .82rem; line-height: 1.7; max-width: 260px; color: var(--text-secondary-dark); }
.footer-title { font-size: .85rem; font-weight: 600; color: var(--text-on-dark); margin-bottom: 12px; letter-spacing: .02em; }
.footer-links { list-style: none; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #D8D8D8; font-size: .82rem; transition: color .2s ease; }
.footer-links a:hover { color: #fff; }
.footer-subscribe { display: flex; gap: 8px; margin-top: 14px; }
.footer-subscribe input { flex: 1; height: 38px; border-radius: 8px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06); color: var(--text-on-dark); padding: 0 12px; font-size: .8rem; }
.footer-subscribe input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,144,42,.15); }
.footer-subscribe input::placeholder { color: rgba(255,255,255,.4); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 20px; font-size: .78rem; color: var(--text-secondary-dark); text-align: center; }
.footer-bottom a { color: #D8D8D8; }
@media (max-width: 767px) {
  .site-footer { padding-top: 40px; }
  .footer-desc { max-width: 100%; }
}

/* 浮动CTA */
.float-cta { position: fixed; right: 24px; bottom: 24px; z-index: 9999; background: var(--accent); color: var(--primary-dark); border-radius: 999px; height: 48px; padding: 0 24px; display: flex; align-items: center; gap: 8px; font-weight: 500; font-size: .9rem; box-shadow: 0 8px 24px rgba(232,144,42,.35); cursor: pointer; transition: all .25s ease; border: none; }
.float-cta:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(232,144,42,.4); }
.float-cta:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 767px) { .float-cta { padding: 0 16px; font-size: .8rem; height: 42px; } }

/* 屏幕取景框装饰 */
.frame-deco { position: relative; }
.frame-deco::after { content: ''; position: absolute; bottom: -8px; right: 12px; width: 28px; height: 28px; border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent); opacity: .4; pointer-events: none; z-index: 2; }
.frame-deco::before { content: ''; position: absolute; top: -8px; left: 12px; width: 28px; height: 28px; border-top: 2px solid var(--accent); border-left: 2px solid var(--accent); opacity: .4; pointer-events: none; z-index: 2; }

/* 通用辅助 */
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; } .mt-5 { margin-top: 48px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; } .mb-5 { margin-bottom: 48px; }
@media (max-width: 1023px) { .section { --section-space: 72px; } }
@media (max-width: 767px) { .section { --section-space: 48px; } }

/* roulang page: article */
:root {
  --primary: #1F2326;
  --primary-light: #2D3338;
  --accent: #E8902A;
  --accent-hover: #D67D18;
  --accent-light: #FBF0E2;
  --bg: #F5F3EF;
  --card-bg: #FFFFFF;
  --border: #E3E0DA;
  --text: #2B2E33;
  --text-secondary: #6B7076;
  --text-on-dark: #F2EFE9;
  --text-on-dark-secondary: #A6A9AD;
  --green: #3A9E7E;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 6px rgba(31,35,38,0.04);
  --shadow-md: 0 10px 24px rgba(31,35,38,0.10);
  --shadow-lg: 0 16px 40px rgba(31,35,38,0.14);
  --transition: all .25s ease;
  --container-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--text); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
input, button { font-family: inherit; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border: none;
  border-radius: 8px;
  font-size: .92rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
}
.btn-primary:hover { background: var(--accent-hover); color: var(--primary); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { height: 36px; padding: 0 18px; font-size: .85rem; border-radius: 8px; }
.btn-lg { height: 52px; padding: 0 32px; font-size: 1rem; }

/* ========== 悬浮胶囊导航 ========== */
.floating-nav {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  pointer-events: none;
}
.nav-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(31,35,38,0.84);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  padding: 10px 20px 10px 28px;
  max-width: 1080px;
  width: 100%;
  pointer-events: auto;
  box-shadow: 0 8px 30px rgba(31,35,38,0.18);
}
.nav-brand {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}
.nav-brand:hover { color: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav-menu a {
  color: #D8D8D8;
  font-size: .9rem;
  padding: 6px 2px;
  position: relative;
  white-space: nowrap;
}
.nav-menu a:hover { color: #fff; }
.nav-menu a.active { color: #fff; }
.nav-menu a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.nav-cta { flex-shrink: 0; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ========== 面包屑 ========== */
.breadcrumb-wrap { padding: 112px 0 16px; background: var(--bg); }
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-secondary);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: #C9C4BB; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ========== 文章标题区 ========== */
.article-header { padding: 32px 0 8px; background: var(--bg); }
.article-title-block { max-width: 760px; margin: 0 auto; }
.article-title-block h1 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: .85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.article-meta i { margin-right: 4px; color: var(--accent); }

/* ========== 正文区 ========== */
.article-body-wrap { padding: 24px 0 16px; background: var(--bg); }
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}
.article-content p { margin-bottom: 24px; text-align: justify; }
.article-content h2 { font-size: 1.4rem; font-weight: 700; margin: 32px 0 16px; line-height: 1.3; }
.article-content h3 { font-size: 1.15rem; font-weight: 600; margin: 24px 0 12px; line-height: 1.4; }
.article-content ul, .article-content ol { margin: 0 0 24px; padding-left: 24px; }
.article-content ul { list-style: none; }
.article-content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.article-content ol li { margin-bottom: 8px; }
.article-content img { border-radius: var(--radius); border: 1px solid var(--border); margin: 24px 0; }
.article-content figure { margin: 24px 0; }
.article-content figure img { margin: 0; }
.article-content figcaption { font-size: .8rem; color: var(--text-secondary); text-align: center; margin-top: 8px; }
.article-content blockquote {
  border-left: 4px solid #C5C1B8;
  background: #EEECE7;
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--text-secondary);
  border-radius: 0 8px 8px 0;
}
.article-content a { color: var(--accent-hover); text-decoration: underline; }
.article-content a:hover { color: var(--accent); }

/* 文章未找到 */
.article-not-found {
  text-align: center;
  padding: 80px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.article-not-found p { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 24px; }

/* ========== 标签区 ========== */
.article-tags-wrap {
  max-width: 760px;
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.article-tags-wrap .tags-label { font-size: .82rem; color: var(--text-secondary); margin-right: 4px; }
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-tags .tag {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: .78rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.article-tags .tag:hover { border-color: var(--accent); color: var(--accent-hover); }

/* ========== 相关推荐 ========== */
.related-section { padding: 48px 0 8px; background: var(--bg); }
.related-section .section-label {
  max-width: 960px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.related-section .section-label .bar {
  width: 4px;
  height: 22px;
  background: var(--accent);
  border-radius: 2px;
}
.related-section .section-label h2 { font-size: 1.3rem; font-weight: 700; color: var(--text); }
.related-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.related-card .rel-thumb {
  width: 100%;
  aspect-ratio: 4/3;
  background: #E9E6E0;
  overflow: hidden;
}
.related-card .rel-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-card .rel-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.related-card .rel-tag { font-size: .76rem; color: var(--text-secondary); margin-bottom: 6px; }
.related-card h3 { font-size: 1.02rem; font-weight: 600; line-height: 1.4; margin-bottom: 10px; }
.related-card h3 a { color: var(--text); }
.related-card h3 a:hover { color: var(--accent-hover); }
.related-card .rel-desc { font-size: .84rem; color: var(--text-secondary); flex: 1; margin-bottom: 12px; line-height: 1.6; }
.related-card .rel-foot { display: flex; align-items: center; justify-content: space-between; font-size: .78rem; color: var(--text-secondary); }
.related-card .rel-link { color: var(--accent-hover); font-weight: 500; }
.related-card .rel-link:hover { color: var(--accent); }

/* ========== 返回资讯入口 ========== */
.back-news-wrap { padding: 40px 0; background: var(--bg); }
.back-news-inner { max-width: 960px; margin: 0 auto; text-align: center; }
.back-news-inner a.btn { display: inline-flex; align-items: center; gap: 8px; }

/* ========== 底部CTA ========== */
.cta-section { padding: 72px 0; background: var(--primary); position: relative; overflow: hidden; }
.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: .08;
}
.cta-inner { position: relative; max-width: 760px; margin: 0 auto; text-align: center; }
.cta-inner h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; color: var(--text-on-dark); margin-bottom: 12px; }
.cta-inner p { color: var(--text-on-dark-secondary); font-size: .95rem; margin-bottom: 28px; }
.cta-form { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.cta-form input {
  flex: 1;
  min-width: 160px;
  height: 48px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  padding: 0 16px;
  font-size: .9rem;
  background: rgba(255,255,255,.08);
  color: var(--text-on-dark);
  outline: none;
  transition: var(--transition);
}
.cta-form input::placeholder { color: rgba(255,255,255,.5); }
.cta-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(232,144,42,.3); }

/* ========== 页脚 ========== */
.site-footer { background: var(--primary); color: var(--text-on-dark-secondary); padding: 64px 0 0; }
.site-footer .footer-brand { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.site-footer .footer-desc { font-size: .85rem; line-height: 1.7; color: var(--text-on-dark-secondary); }
.site-footer .footer-title { font-size: .95rem; font-weight: 600; color: #fff; margin-bottom: 12px; }
.site-footer .footer-links { list-style: none; }
.site-footer .footer-links li { margin-bottom: 8px; }
.site-footer .footer-links a { font-size: .85rem; color: #D8D8D8; }
.site-footer .footer-links a:hover { color: #fff; }
.footer-subscribe { display: flex; gap: 8px; }
.footer-subscribe input {
  flex: 1;
  height: 38px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  padding: 0 12px;
  font-size: .8rem;
  background: rgba(255,255,255,.08);
  color: var(--text-on-dark);
  outline: none;
  min-width: 0;
}
.footer-subscribe input:focus { border-color: var(--accent); }
.footer-bottom {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  text-align: center;
}

/* ========== 浮动CTA ========== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1100;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition);
}
.float-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.float-cta .btn {
  height: 48px;
  border-radius: 50px;
  padding: 0 28px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(31,35,38,.2);
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media screen and (max-width: 767px) {
  .container { padding: 0 20px; }
  .floating-nav { top: 10px; padding: 0 12px; }
  .nav-capsule { gap: 10px; padding: 8px 12px 8px 18px; border-radius: 40px; }
  .nav-brand { font-size: .95rem; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 66px;
    left: 12px;
    right: 12px;
    background: rgba(31,35,38,.97);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-radius: 18px;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 28px;
    gap: 22px;
    box-shadow: 0 16px 40px rgba(31,35,38,.3);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { font-size: 1rem; color: #D8D8D8; }
  .nav-menu a.active::after { bottom: -4px; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .breadcrumb-wrap { padding-top: 88px; }
  .article-title-block h1 { font-size: 1.5rem; }
  .article-meta { flex-direction: column; gap: 10px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .cta-form { flex-direction: column; }
  .cta-form input { width: 100%; }
  .cta-form .btn { width: 100%; }
  .footer-subscribe { flex-direction: column; }
  .footer-subscribe .btn { width: 100%; }
  .float-cta { right: 16px; bottom: 16px; }
  .float-cta .btn { padding: 0 20px; font-size: .85rem; height: 44px; }
}
@media screen and (max-width: 520px) {
  .breadcrumb-wrap { padding-top: 80px; }
  .article-title-block h1 { font-size: 1.3rem; }
  .article-content { font-size: .9375rem; }
  .related-section .section-label h2 { font-size: 1.1rem; }
  .cta-section { padding: 56px 0; }
}

/* roulang page: category1 */
:root {
  --brand-dark: #1F2326;
  --brand-dark-2: #2D3338;
  --accent: #E8902A;
  --accent-hover: #D67D18;
  --accent-soft: #FBF0E2;
  --bg: #F5F3EF;
  --card: #FFFFFF;
  --border: #E3E0DA;
  --text: #2B2E33;
  --text-weak: #6B7076;
  --text-on-dark: #F2EFE9;
  --text-on-dark-weak: #A6A9AD;
  --green: #3A9E7E;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 2px 6px rgba(31,35,38,.04);
  --shadow-hover: 0 10px 24px rgba(31,35,38,.10);
  --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--brand-dark) .5px, transparent .5px);
  background-size: 22px 22px;
  opacity: .045;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 96px 0;
}

@media (max-width: 1023px) {
  .section { padding: 72px 0; }
}

@media (max-width: 767px) {
  .section { padding: 48px 0; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all .22s ease;
  text-decoration: none;
  outline: none;
}

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

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

.btn-primary:hover, .btn-primary:active {
  background: var(--accent-hover);
  color: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(214, 125, 24, .30);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--brand-dark);
  color: var(--brand-dark);
}

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

.btn-light {
  background: var(--text-on-dark);
  color: var(--brand-dark);
}

.btn-light:hover {
  background: var(--accent);
  color: var(--brand-dark);
}

.btn-sm {
  height: 36px;
  padding: 0 18px;
  font-size: .875rem;
}

.btn-block {
  width: 100%;
}

/* ===== Floating Nav ===== */
.floating-nav {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.nav-capsule {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(31,35,38,.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 999px;
  padding: 8px 12px 8px 26px;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 8px 28px rgba(31,35,38,.22);
}

.nav-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: .02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-brand::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.nav-menu a {
  position: relative;
  font-size: .875rem;
  font-weight: 400;
  color: #D8D8D8;
  padding: 8px 2px;
  letter-spacing: .01em;
}

.nav-menu a:hover {
  color: #ffffff;
}

.nav-menu a.active {
  color: #ffffff;
}

.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.nav-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-on-dark);
  transition: transform .25s ease, opacity .25s ease;
}

.nav-toggle:hover span {
  background: var(--accent);
}

@media (max-width: 767px) {
  .nav-capsule {
    gap: 10px;
    padding-left: 18px;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 82%;
    max-width: 320px;
    height: 100vh;
    background: rgba(31,35,38,.97);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 40px 36px;
    margin: 0;
    transition: right .3s ease;
    border-left: 1px solid var(--accent);
  }
  .nav-menu.open {
    right: 0;
  }
  .nav-menu a {
    font-size: 1.05rem;
    padding: 10px 0;
  }
  .nav-menu a.active::after {
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .nav-cta {
    display: none;
  }
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: var(--bg);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.page-hero::after {
  content: "SA 视讯";
  position: absolute;
  right: 3%;
  top: 58%;
  transform: translateY(-50%) rotate(-14deg);
  width: 260px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(232,144,42,.10);
  border: 2px dashed rgba(232,144,42,.28);
  border-radius: 50%;
  line-height: 1.3;
  z-index: 0;
  pointer-events: none;
}

.page-hero .container {
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-weak);
  margin-bottom: 30px;
}

.breadcrumb a {
  color: var(--text-weak);
  border-bottom: 1px solid transparent;
  transition: all .2s;
}

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

.breadcrumb span {
  color: var(--brand-dark);
  font-weight: 500;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  letter-spacing: .12em;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 4px 16px;
  margin-bottom: 20px;
  background: var(--accent-soft);
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--brand-dark);
  max-width: 800px;
  margin-bottom: 20px;
  letter-spacing: -.01em;
}

.page-hero h1 .accent-text {
  color: var(--accent);
}

.hero-lead {
  max-width: 720px;
  font-size: 1rem;
  color: var(--text-weak);
  line-height: 1.8;
  margin-bottom: 32px;
}

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

.hero-props {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  font-size: .85rem;
  color: var(--text-weak);
  border-top: 1px dashed var(--border);
  padding-top: 24px;
}

.hero-props span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-props i {
  color: var(--accent);
}

@media (max-width: 767px) {
  .page-hero { padding: 120px 0 52px; }
  .page-hero::after {
    width: 140px;
    height: 140px;
    font-size: 15px;
    right: -20px;
    top: 22%;
  }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { flex: 1 1 auto; padding: 0 14px; }
}

/* ===== Section Heading ===== */
.section-head {
  max-width: 720px;
  margin-bottom: 54px;
}

.section-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(232,144,42,.28);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 14px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.section-title::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 34px;
  background: var(--accent);
  border-radius: 2px;
}

.section-sub {
  font-size: .95rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin-left: 20px;
}

@media (max-width: 767px) {
  .section-head { margin-bottom: 36px; }
  .section-sub { margin-left: 0; }
}

/* ===== Info Blocks ===== */
.info-blocks .block-one {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 38px 42px;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 24px;
  transition: box-shadow .25s ease, transform .25s ease;
}

.info-blocks .block-one:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.info-blocks .block-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
  border: 1px solid rgba(232,144,42,.20);
}

.info-blocks .block-content {
  flex: 1;
  min-width: 260px;
}

.info-blocks .block-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--text);
}

.info-blocks .block-content p {
  font-size: .92rem;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 14px;
}

.block-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: all .2s;
}

.block-link:hover {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.block-link i {
  font-size: .8rem;
  transition: transform .2s;
}

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

.block-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.block-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px;
  position: relative;
  transition: box-shadow .25s ease, transform .25s ease;
}

.block-card::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(31,35,38,.12);
  border-radius: 8px;
  pointer-events: none;
}

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

.block-card .block-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 18px;
}

.block-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 10px;
}

.block-card p {
  font-size: .9rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 16px;
}

@media (max-width: 767px) {
  .info-blocks .block-one { padding: 26px 24px; }
  .block-two-col { grid-template-columns: 1fr; }
  .block-card { padding: 26px 22px; }
}

/* ===== Mid Image & CTA Banner ===== */
.mid-visual {
  padding: 0 0 96px;
}

.mid-visual .img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
}

.mid-visual .img-wrap img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.mid-visual .img-frame {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 8px;
  pointer-events: none;
}

.banner-cta {
  margin-top: 28px;
  background: var(--accent-soft);
  border: 1px solid rgba(232,144,42,.30);
  border-radius: var(--radius);
  padding: 32px 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.banner-cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
}

.banner-cta h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.banner-cta p {
  font-size: .9rem;
  color: var(--text-weak);
}

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

@media (max-width: 767px) {
  .mid-visual { padding-bottom: 48px; }
  .mid-visual .img-wrap img { height: 220px; }
  .banner-cta { padding: 24px 20px; }
  .banner-cta h3 { font-size: 1.05rem; }
}

/* ===== Capability Cards ===== */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cap-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .25s ease, transform .25s ease;
  position: relative;
}

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

.cap-card .cap-index {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 2px 8px;
  display: inline-block;
  margin-bottom: 18px;
}

.cap-card .cap-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 18px;
  transition: background .25s ease, color .25s ease;
}

.cap-card:hover .cap-icon {
  background: var(--accent);
  color: #fff;
}

.cap-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.cap-card p {
  font-size: .875rem;
  color: var(--text-weak);
  line-height: 1.7;
}

@media (max-width: 1023px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .capability-grid { grid-template-columns: 1fr; }
}

/* ===== Scenario Sections ===== */
.scenario-area {
  background: var(--brand-dark);
  color: var(--text-on-dark);
}

.scenario-area .section-title {
  color: var(--text-on-dark);
}

.scenario-area .section-sub {
  color: var(--text-on-dark-weak);
}

.scenario-area .section-tag {
  color: var(--accent);
  background: rgba(232,144,42,.10);
  border-color: rgba(232,144,42,.35);
}

.scenario-row {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 68px;
}

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

.scenario-row.reverse {
  flex-direction: row-reverse;
}

.scenario-media {
  flex: 1 1 48%;
}

.scenario-media .media-inner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 12px 28px rgba(0,0,0,.30);
}

.scenario-media .media-inner img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.scenario-media .media-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--accent);
  border-style: solid;
}

.media-corner.tl { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.media-corner.tr { top: 10px; right: 10px; border-width: 2px 2px 0 0; }
.media-corner.bl { bottom: 10px; left: 10px; border-width: 0 0 2px 2px; }
.media-corner.br { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }

.scenario-text {
  flex: 1 1 48%;
}

.scenario-text .mini-label {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .14em;
  font-weight: 600;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  margin-bottom: 18px;
}

.scenario-text h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 14px;
}

.scenario-text p {
  font-size: .92rem;
  color: var(--text-on-dark-weak);
  line-height: 1.8;
  margin-bottom: 18px;
}

.scenario-text ul {
  margin: 0;
  padding: 0;
}

.scenario-text ul li {
  position: relative;
  padding-left: 20px;
  font-size: .88rem;
  color: var(--text-on-dark-weak);
  margin-bottom: 8px;
}

.scenario-text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

@media (max-width: 1023px) {
  .scenario-row, .scenario-row.reverse {
    flex-direction: column;
    gap: 32px;
  }
  .scenario-media, .scenario-text { flex: 1 1 auto; width: 100%; }
}

@media (max-width: 767px) {
  .scenario-media .media-inner img { height: 200px; }
  .scenario-row { margin-bottom: 44px; }
}

/* ===== Stats Bar ===== */
.stats-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px 24px;
  text-align: center;
}

.stat-item .stat-num {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-item .stat-label {
  font-size: .85rem;
  color: var(--text-weak);
}

@media (max-width: 767px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow .22s ease;
}

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

.faq-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
  outline: none;
}

.faq-title:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.faq-title:hover {
  color: var(--accent);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  position: relative;
  transition: all .25s ease;
}

.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent);
  transition: all .25s ease;
}

.faq-icon::before {
  width: 10px;
  height: 1.5px;
}

.faq-icon::after {
  width: 1.5px;
  height: 10px;
}

.faq-item.open .faq-icon {
  background: var(--accent);
  border-color: var(--accent);
  transform: rotate(45deg);
}

.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-inner {
  padding: 0 24px 20px;
}

.faq-inner p {
  font-size: .92rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 8px;
  padding-top: 4px;
  border-top: 1px dashed var(--border);
}

@media (max-width: 767px) {
  .faq-title { padding: 16px 18px; font-size: .95rem; }
  .faq-inner { padding: 0 18px 16px; }
}

/* ===== CTA Section ===== */
.site-cta {
  background: var(--brand-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}

.site-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.site-cta::after {
  content: "";
  position: absolute;
  bottom: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border: 2px dashed rgba(232,144,42,.20);
  border-radius: 50%;
  pointer-events: none;
}

.cta-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 52px;
}

.cta-copy {
  flex: 1 1 38%;
  min-width: 280px;
  position: relative;
  z-index: 1;
}

.cta-copy .section-tag {
  background: rgba(232,144,42,.12);
  border-color: rgba(232,144,42,.40);
}

.cta-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-copy p {
  font-size: .95rem;
  color: var(--text-on-dark-weak);
  line-height: 1.7;
  margin-bottom: 18px;
}

.cta-copy .cta-tels {
  font-size: .85rem;
  color: var(--text-on-dark-weak);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
}

.cta-copy .cta-tels i {
  color: var(--accent);
  margin-right: 6px;
}

.cta-form-wrap {
  flex: 1 1 48%;
  min-width: 300px;
  background: var(--brand-dark-2);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 34px;
  position: relative;
  z-index: 1;
}

.cta-form-wrap::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(255,255,255,.10);
  border-radius: 8px;
  pointer-events: none;
}

.cta-form-wrap h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.cta-form-wrap > p {
  font-size: .84rem;
  color: var(--text-on-dark-weak);
  margin-bottom: 22px;
}

.cta-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

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

.cta-form input {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--text-on-dark);
  padding: 0 16px;
  font-size: .9rem;
  transition: border-color .2s, box-shadow .2s, background .2s;
  outline: none;
}

.cta-form input::placeholder {
  color: rgba(242,239,233,.42);
}

.cta-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(232,144,42,.20);
  background: rgba(255,255,255,.08);
}

.form-success {
  display: none;
  font-size: .88rem;
  color: var(--green);
  margin-top: 12px;
  padding-left: 2px;
}

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

@media (max-width: 767px) {
  .cta-grid { gap: 32px; }
  .cta-form-wrap { padding: 24px 20px; }
  .cta-form .form-row { grid-template-columns: 1fr; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--brand-dark);
  color: var(--text-on-dark);
  padding: 64px 0 0;
  border-top: 4px solid var(--accent);
}

.site-footer .row {
  margin-bottom: 36px;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-on-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.footer-desc {
  font-size: .85rem;
  color: var(--text-on-dark-weak);
  line-height: 1.75;
  max-width: 300px;
}

.footer-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-on-dark);
  margin-bottom: 16px;
  letter-spacing: .03em;
}

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

.footer-links a {
  font-size: .85rem;
  color: #D8D8D8;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-subscribe {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.footer-subscribe input {
  flex: 1;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: var(--text-on-dark);
  font-size: .84rem;
  padding: 0 14px;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.footer-subscribe input::placeholder {
  color: rgba(242,239,233,.38);
}

.footer-subscribe input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(232,144,42,.18);
}

.footer-subscribe .btn {
  height: 38px;
  padding: 0 18px;
  font-size: .84rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-on-dark-weak);
}

.footer-bottom a {
  color: var(--text-on-dark-weak);
}

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

@media (max-width: 767px) {
  .site-footer { padding-top: 44px; }
  .footer-subscribe { flex-wrap: wrap; }
  .footer-subscribe .btn { flex: 1 1 auto; }
}

/* ===== Float CTA ===== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--brand-dark);
  font-size: .92rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 24px rgba(232,144,42,.35);
  border: 1px solid rgba(214,125,24,.4);
  transition: all .22s ease;
}

.float-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(214,125,24,.40);
}

.float-cta i {
  font-size: .85rem;
}

@media (max-width: 767px) {
  .float-cta {
    right: 16px;
    bottom: 16px;
    padding: 0 18px;
    height: 44px;
    font-size: .85rem;
  }
  .float-cta .cta-text-lg { display: none; }
  .float-cta .cta-text-sm { display: inline !important; }
}

.cta-text-sm { display: none; }

/* ===== Scroll Margin ===== */
section[id] {
  scroll-margin-top: 84px;
}

/* ===== Utility ===== */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 8px !important; }
.mb-2 { margin-bottom: 16px !important; }
.mb-3 { margin-bottom: 24px !important; }
.mb-4 { margin-bottom: 40px !important; }
.mt-3 { margin-top: 24px !important; }
.text-center { text-align: center; }

/* roulang page: category3 */
:root {
            --c-bg: #F5F3EF;
            --c-card: #FFFFFF;
            --c-border: #E3E0DA;
            --c-ink: #2B2E33;
            --c-muted: #6B7076;
            --c-dark: #1F2326;
            --c-dark-2: #2D3338;
            --c-dark-text: #F2EFE9;
            --c-dark-muted: #A6A9AD;
            --c-accent: #E8902A;
            --c-accent-hover: #D67D18;
            --c-accent-soft: #FBF0E2;
            --c-ok: #3A9E7E;
            --r-card: 14px;
            --r-btn: 8px;
            --sh-card: 0 2px 6px rgba(31, 35, 38, 0.04);
            --sh-hover: 0 10px 24px rgba(31, 35, 38, 0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 1px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p,
        ul {
            margin: 0;
            padding: 0;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .row {
            max-width: none;
            margin-left: 0;
            margin-right: 0;
        }

        .columns {
            padding-left: 12px;
            padding-right: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 24px;
            border-radius: var(--r-btn);
            font-weight: 500;
            font-size: .95rem;
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
            line-height: 1;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--c-accent-hover);
            border-color: var(--c-accent-hover);
            color: var(--c-dark);
            box-shadow: 0 6px 18px rgba(232, 144, 42, 0.28);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--c-dark);
            border-color: var(--c-dark);
        }

        .btn-secondary:hover {
            background: var(--c-dark);
            color: #fff;
            border-color: var(--c-dark);
        }

        .btn-sm {
            height: 36px;
            border-radius: 24px;
            padding: 0 18px;
            font-size: .85rem;
        }

        .footer-subscribe .btn {
            height: 38px;
            border-radius: 24px;
        }

        .floating-nav {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-capsule {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(31, 35, 38, 0.84);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 48px;
            padding: 10px 16px;
            box-shadow: 0 8px 24px rgba(31, 35, 38, 0.18);
            pointer-events: auto;
            position: relative;
        }

        .nav-brand {
            color: var(--c-dark-text);
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: .02em;
            padding: 0 8px;
            position: relative;
            z-index: 1001;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-menu a {
            position: relative;
            display: inline-block;
            padding: 10px 16px;
            border-radius: 30px;
            color: #D8D8D8;
            font-size: .9rem;
            font-weight: 400;
            transition: color .2s ease, background .2s ease;
        }

        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-menu a.active {
            color: #fff;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--c-accent);
        }

        .nav-cta {
            position: relative;
            z-index: 1001;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 0;
            padding: 10px;
            cursor: pointer;
            position: relative;
            z-index: 1001;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            margin: 5px 0;
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }

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

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

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

        .category-hero {
            padding: 148px 0 60px;
            position: relative;
            border-bottom: 1px solid var(--c-border);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            border: 1px solid rgba(232, 144, 42, .28);
            border-radius: 32px;
            transform: rotate(8deg);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: .05;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            font-size: .85rem;
            color: var(--c-muted);
            margin-bottom: 22px;
        }

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

        .breadcrumb span {
            margin: 0 4px;
        }

        .category-hero h1 {
            font-size: clamp(2.2rem, 4vw, 3rem);
            line-height: 1.18;
            font-weight: 700;
            color: var(--c-dark);
            margin-bottom: 16px;
            letter-spacing: -.01em;
        }

        .category-lead {
            max-width: 720px;
            font-size: 1rem;
            line-height: 1.85;
            color: var(--c-muted);
            margin-bottom: 28px;
        }

        .category-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 0;
            margin: 0;
        }

        .category-hero-meta li {
            display: inline-flex;
            align-items: center;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: .85rem;
            color: var(--c-muted);
        }

        .section {
            padding: 72px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            line-height: 1.3;
            font-weight: 700;
            color: var(--c-dark);
            padding-left: 18px;
            position: relative;
            margin-bottom: 12px;
        }

        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 32px;
            background: var(--c-accent);
            border-radius: 4px;
        }

        .section-sub {
            color: var(--c-muted);
            font-size: .95rem;
            line-height: 1.7;
            margin-left: 18px;
        }

        .info-section {
            padding-top: 64px;
        }

        .info-block {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--r-card);
            box-shadow: var(--sh-card);
            padding: 36px;
            margin-bottom: 24px;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            height: 100%;
            position: relative;
        }

        .info-block::after {
            content: '';
            position: absolute;
            inset: 10px;
            border: 1px dashed rgba(31, 35, 38, .06);
            border-radius: 10px;
            pointer-events: none;
        }

        .info-block:hover {
            box-shadow: var(--sh-hover);
            transform: translateY(-4px);
            border-color: #d8d5ce;
        }

        .info-block-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 10px;
            background: var(--c-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-size: 1.05rem;
            font-weight: 600;
            letter-spacing: .02em;
            margin-bottom: 20px;
        }

        .info-block h3 {
            font-size: 1.2rem;
            line-height: 1.35;
            font-weight: 600;
            color: var(--c-ink);
            margin-bottom: 12px;
        }

        .info-block p {
            margin: 0 0 16px;
            color: var(--c-muted);
            font-size: .95rem;
            line-height: 1.8;
        }

        .info-block-link {
            font-weight: 500;
            color: var(--c-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .92rem;
            transition: color .2s ease, gap .2s ease;
        }

        .info-block-link:hover {
            color: var(--c-accent);
            gap: 10px;
        }

        .info-block-wide {
            display: flex;
            align-items: flex-start;
            gap: 32px;
        }

        .info-block-wide .info-block-icon {
            margin-bottom: 0;
        }

        .visual-section {
            background: var(--c-dark);
            padding: 80px 0;
            border-top: 1px solid rgba(232, 144, 42, .32);
            border-bottom: 1px solid rgba(232, 144, 42, .32);
        }

        .visual-inner {
            position: relative;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, .32);
        }

        .visual-inner img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .visual-caption {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(31, 35, 38, .78);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 12px;
            padding: 14px 18px;
            max-width: 340px;
        }

        .visual-caption strong {
            display: block;
            color: var(--c-dark-text);
            font-size: .95rem;
            margin-bottom: 4px;
        }

        .visual-caption span {
            color: var(--c-dark-muted);
            font-size: .82rem;
        }

        .cta-strip {
            margin-top: 32px;
            background: var(--c-accent-soft);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 14px;
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
        }

        .cta-strip p {
            margin: 0;
            color: var(--c-dark);
            font-weight: 500;
            font-size: .98rem;
            line-height: 1.6;
        }

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

        .feature-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--r-card);
            padding: 30px 24px;
            height: 100%;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        }

        .feature-card:hover {
            box-shadow: var(--sh-hover);
            transform: translateY(-4px);
            border-color: var(--c-accent);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--c-accent-soft);
            color: var(--c-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--c-ink);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: .9rem;
            color: var(--c-muted);
            line-height: 1.7;
            margin: 0;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item:hover {
            border-color: #d8d5ce;
            box-shadow: var(--sh-card);
        }

        .faq-item.open {
            border-color: var(--c-accent);
            box-shadow: var(--sh-hover);
        }

        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--c-ink);
            font-size: .95rem;
            line-height: 1.5;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            min-width: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--c-accent);
            color: var(--c-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-style: normal;
            font-weight: 500;
            font-size: 1rem;
            line-height: 1;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--c-accent);
            color: var(--c-dark);
        }

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

        .faq-a-inner {
            padding: 0 24px 20px;
            color: var(--c-muted);
            font-size: .92rem;
            line-height: 1.75;
        }

        .cta-section {
            padding: 88px 0;
            background: var(--c-dark);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(232, 144, 42, .4);
        }

        .cta-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            padding: 48px 40px;
            text-align: center;
        }

        .cta-card h2 {
            color: var(--c-dark-text);
            font-size: clamp(1.7rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-card p {
            color: var(--c-dark-muted);
            font-size: .95rem;
            margin-bottom: 0;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 780px;
            margin: 28px auto 0;
        }

        .cta-form input {
            flex: 1;
            min-width: 0;
            height: 48px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .08);
            color: #fff;
            padding: 0 16px;
            font-size: .9rem;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, .5);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--c-accent);
            box-shadow: 0 0 0 2px rgba(232, 144, 42, .3);
        }

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

        .form-note {
            color: var(--c-dark-muted);
            font-size: .82rem;
            margin-top: 14px;
        }

        .site-footer {
            background: var(--c-dark);
            color: var(--c-dark-muted);
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: .85rem;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .footer-title {
            color: var(--c-dark-text);
            font-weight: 600;
            font-size: .95rem;
            margin-bottom: 14px;
        }

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

        .footer-links a {
            color: var(--c-dark-muted);
            font-size: .85rem;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            min-width: 0;
            height: 38px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .08);
            color: #fff;
            padding: 0 12px;
            font-size: .85rem;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, .5);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--c-accent);
            box-shadow: 0 0 0 2px rgba(232, 144, 42, .3);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            font-size: .82rem;
            color: var(--c-dark-muted);
        }

        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 998;
        }

        .float-cta .btn {
            border-radius: 48px;
            height: 48px;
            padding: 0 26px;
            box-shadow: 0 10px 28px rgba(31, 35, 38, .24);
        }

        .float-cta .btn:hover {
            box-shadow: 0 12px 32px rgba(232, 144, 42, .32);
        }

        .short-text {
            display: none;
        }

        @media (max-width: 1023px) {
            .section {
                padding: 60px 0;
            }

            .visual-inner img {
                height: 320px;
            }
        }

        @media (max-width: 767px) {
            .floating-nav {
                top: 12px;
                padding: 0 12px;
            }

            .nav-capsule {
                padding: 8px 10px;
                border-radius: 40px;
            }

            .nav-brand {
                font-size: 1rem;
            }

            .nav-menu {
                display: none;
            }

            .nav-menu.open {
                display: flex;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(31, 35, 38, .96);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 20px;
                z-index: 1000;
            }

            .nav-menu.open a {
                font-size: 1.12rem;
                padding: 12px 24px;
                color: #fff;
            }

            .nav-menu.open a.active::after {
                bottom: 6px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .category-hero {
                padding: 118px 0 44px;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .category-hero-meta {
                gap: 8px;
            }

            .category-hero-meta li {
                padding: 5px 10px;
                font-size: .8rem;
            }

            .section {
                padding: 48px 0;
            }

            .info-section {
                padding-top: 44px;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .info-block {
                padding: 26px 22px;
            }

            .info-block-wide {
                flex-direction: column;
                gap: 20px;
            }

            .info-block-wide .info-block-icon {
                margin-bottom: 0;
            }

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

            .visual-inner img {
                height: 220px;
            }

            .visual-caption {
                left: 12px;
                right: 12px;
                bottom: 12px;
                max-width: none;
            }

            .cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }

            .cta-form {
                flex-direction: column;
                gap: 10px;
            }

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

            .cta-card h2 {
                font-size: 1.5rem;
            }

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

            .footer-bottom {
                margin-top: 32px;
                padding: 16px 12px;
                line-height: 1.6;
            }

            .float-cta {
                right: 16px;
                bottom: 16px;
            }

            .float-cta .btn {
                padding: 0 18px;
            }

            .full-text {
                display: none;
            }

            .short-text {
                display: inline;
            }

            .columns {
                float: none !important;
                width: 100% !important;
                display: block;
            }
        }

/* roulang page: category2 */
:root{
  --bg-warm:#F5F3EF;
  --card-bg:#FFFFFF;
  --border:#E3E0DA;
  --primary-dark:#1F2326;
  --dark-2:#2D3338;
  --accent:#E8902A;
  --accent-hover:#D67D18;
  --accent-soft:#FBF0E2;
  --text-main:#2B2E33;
  --text-muted:#6B7076;
  --text-light:#F2EFE9;
  --text-light-muted:#A6A9AD;
  --green:#3A9E7E;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 6px rgba(31,35,38,.04);
  --shadow-md:0 10px 24px rgba(31,35,38,.10);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-warm);color:var(--text-main);line-height:1.75;font-size:1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
input,button,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.row{max-width:1200px;margin-left:auto;margin-right:auto}
.columns{padding-left:12px;padding-right:12px}
.section{padding:96px 0}
.section-title{
  font-size:clamp(1.6rem,3vw,2.25rem);
  line-height:1.3;
  font-weight:700;
  padding-left:16px;
  border-left:8px solid var(--accent);
  margin-bottom:16px;
  color:var(--text-main);
}
.section-sub{color:var(--text-muted);max-width:620px;margin-bottom:48px}
.mb-3{margin-bottom:20px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-weight:500;font-size:1rem;border:1.5px solid transparent;
  cursor:pointer;line-height:1;transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
  text-align:center;gap:8px;
}
.btn-primary{background:var(--accent);color:var(--text-main)}
.btn-primary:hover{background:var(--accent-hover);color:var(--text-main)}
.btn-outline{background:transparent;border-color:var(--primary-dark);color:var(--primary-dark)}
.btn-outline:hover{background:var(--primary-dark);color:#fff}
.btn-sm{height:36px;padding:0 18px;font-size:.875rem;border-radius:24px}
.btn-block{width:100%}
.btn:focus{outline:2px solid var(--accent);outline-offset:2px}
.btn:active{transform:translateY(1px)}

/* 悬浮胶囊导航 */
.floating-nav{
  position:fixed;top:16px;left:0;right:0;z-index:1000;
  display:flex;justify-content:center;padding:0 16px;
}
.nav-capsule{
  width:100%;max-width:1180px;
  background:rgba(31,35,38,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-radius:50px;
  padding:8px 10px 8px 22px;
  display:flex;align-items:center;
  box-shadow:0 6px 22px rgba(31,35,38,.28);
}
.nav-brand{
  color:var(--text-light);font-weight:700;font-size:1.05rem;
  letter-spacing:.5px;white-space:nowrap;
}
.nav-menu{margin-left:auto;display:flex;align-items:center;gap:4px;margin-right:14px}
.nav-menu a{
  color:#D8D8D8;font-size:.9rem;padding:8px 14px;border-radius:24px;
  position:relative;white-space:nowrap;transition:color .2s,background .2s;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a.active{color:#fff}
.nav-menu a.active::after{
  content:"";position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  flex-direction:column;gap:4px;padding:10px;border-radius:8px;
}
.nav-toggle span{width:20px;height:2px;background:var(--text-light);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle:hover{background:rgba(255,255,255,.08)}

/* Hero */
.category-hero{
  background:var(--bg-warm);position:relative;overflow:hidden;
  padding:150px 0 80px;
}
.category-hero::before{
  content:"";position:absolute;top:0;right:0;left:0;height:100%;
  background-image:radial-gradient(rgba(31,35,38,.055) 1px,transparent 1px);
  background-size:26px 26px;pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-soft);color:var(--accent-hover);
  font-size:.85rem;font-weight:600;padding:6px 14px;border-radius:20px;
  margin-bottom:20px;
}
.category-hero h1{
  font-size:clamp(2rem,5vw,3.25rem);line-height:1.15;font-weight:700;
  color:var(--text-main);margin-bottom:18px;
}
.hero-lead{
  font-size:1.125rem;color:var(--text-muted);max-width:520px;margin-bottom:30px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.hero-meta{font-size:.85rem;color:var(--text-muted)}
.hero-meta::before{content:"\f0c2";font-family:"Font Awesome 6 Free";font-weight:600;margin-right:6px;color:var(--accent)}
.hero-visual{position:relative;padding:14px 14px 20px 26px}
.hero-visual::before{
  content:"";position:absolute;top:4px;right:4px;width:calc(100% - 28px);height:calc(100% - 24px);
  border:1px solid var(--accent);border-radius:var(--radius);transform:translate(8px,8px);
}
.hero-visual img{
  position:relative;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  box-shadow:var(--shadow-md);border:1px solid var(--border);
}
.hero-card{
  position:absolute;bottom:34px;left:44px;width:58%;
  background:rgba(31,35,38,.84);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-radius:10px;padding:12px 18px;display:flex;gap:10px;align-items:center;
  box-shadow:0 8px 18px rgba(31,35,38,.18);
}
.hero-card-tag{font-size:.82rem;color:var(--text-light)}
.hero-card-tag:first-child::before{content:"\f07c";font-family:"Font Awesome 6 Free";font-weight:600;margin-right:6px;color:var(--accent)}
.hero-card-tag:last-child::before{content:"\f1eb";font-family:"Font Awesome 6 Free";font-weight:600;margin-right:6px;color:var(--accent)}

/* 导语 */
.intro-section{padding:64px 0 0}
.intro-text{
  font-size:1.125rem;line-height:1.8;color:var(--text-main);
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 40px;box-shadow:var(--shadow-sm);
  border-left:4px solid var(--accent);
  max-width:960px;margin:0 auto;
}

/* 信息块 */
.info-section{padding:64px 0 0}
.info-block{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px;box-shadow:var(--shadow-sm);margin-bottom:20px;
  transition:transform .2s,box-shadow .2s;
}
.info-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.info-block h3{font-size:1.25rem;font-weight:600;margin-bottom:14px;color:var(--text-main)}
.info-block p{color:var(--text-muted);line-height:1.75;margin-bottom:18px}
.info-block-wide .columns{display:flex;flex-direction:column;justify-content:center}
.info-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;
  border:1px solid var(--border);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent-hover);font-weight:600;font-size:.95rem;
  transition:gap .2s;
}
.text-link i{font-size:.85rem}
.text-link:hover{gap:14px;color:var(--accent-hover)}
.text-link:focus{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* 中部配图横幅 */
.mid-banner{padding:72px 0 0}
.mid-banner-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
}
.banner-strip{
  background:var(--accent-soft);border-radius:var(--radius-sm);
  padding:22px 28px;margin-top:16px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.banner-strip p{color:var(--text-main);font-weight:500;font-size:1rem;flex:1;min-width:200px}
.banner-strip .btn{flex-shrink:0}

/* 适用场景 */
.scenario-section{padding:96px 0}
.scenario-card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden;
}
.scenario-card::before{
  content:"";position:absolute;top:0;left:0;width:4px;height:0;
  background:var(--accent);transition:height .25s;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.scenario-card:hover::before{height:100%}
.scenario-icon{
  width:52px;height:52px;border-radius:10px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;color:var(--accent-hover);margin-bottom:18px;
  transition:background .2s,color .2s;
}
.scenario-card:hover .scenario-icon{background:var(--accent);color:var(--text-main)}
.scenario-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px}
.scenario-card p{color:var(--text-muted);font-size:.95rem;line-height:1.7}

/* 流程 */
.process-section{background:var(--primary-dark);color:var(--text-light)}
.process-section .section-title{color:var(--text-light)}
.process-section .section-sub{color:var(--text-light-muted)}
.process-steps .columns{margin-bottom:20px}
.process-step{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:22px 18px;height:100%;
  text-align:center;transition:border-color .2s,background .2s,transform .2s;
}
.process-step:hover{border-color:var(--accent);background:rgba(255,255,255,.08);transform:translateY(-4px)}
.step-num{
  display:inline-block;font-size:1.6rem;font-weight:700;color:var(--accent);
  margin-bottom:10px;
}
.process-step h3{font-size:1rem;font-weight:600;margin-bottom:8px;color:var(--text-light)}
.process-step p{font-size:.85rem;color:var(--text-light-muted);line-height:1.6}

/* FAQ */
.faq-section{padding:96px 0}
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s,border-color .2s;
}
.faq-item:hover{border-color:#d3cfc8;box-shadow:var(--shadow-sm)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;cursor:pointer;font-weight:600;font-size:1rem;
  color:var(--text-main);gap:16px;user-select:none;
}
.faq-icon{
  width:26px;height:26px;border-radius:50%;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  color:var(--accent-hover);font-size:.8rem;transition:transform .25s,background .25s,color .25s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);color:var(--text-main)}
.faq-answer{display:none;padding:0 24px 20px}
.faq-answer.open{display:block}
.faq-answer p{color:var(--text-muted);line-height:1.75;font-size:.95rem}

/* CTA */
.cta-section{
  background:var(--primary-dark);color:var(--text-light);
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;bottom:0;left:0;right:0;height:100%;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;pointer-events:none;
}
.cta-section .container{position:relative}
.cta-section h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;margin-bottom:16px}
.cta-section .cta-desc{color:var(--text-light-muted);margin-bottom:24px;max-width:480px}
.cta-list{list-style:none;margin:0 0 0 0}
.cta-list li{color:var(--text-light);padding:8px 0;display:flex;align-items:center;gap:10px;font-size:.95rem}
.cta-list li i{color:var(--accent);font-size:.85rem}
.cta-form{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);padding:28px;
}
.cta-form .columns{margin-bottom:14px}
.cta-form input{
  width:100%;height:48px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);
  color:var(--text-light);padding:0 16px;font-size:.95rem;
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.cta-form input::placeholder{color:var(--text-light-muted)}
.cta-form input:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(232,144,42,.25);
}
.form-success{color:var(--green);font-size:.9rem;margin-top:8px;text-align:center;font-weight:500}
.cta-note{font-size:.8rem;color:var(--text-light-muted);margin-top:12px;text-align:center}

/* 页脚 */
.site-footer{background:#171a1d;color:var(--text-light);padding:64px 0 0}
.footer-brand{font-size:1.25rem;font-weight:700;margin-bottom:12px;color:var(--text-light)}
.footer-brand::before{content:"\f03d";font-family:"Font Awesome 6 Free";font-weight:600;margin-right:8px;color:var(--accent)}
.footer-desc{color:var(--text-light-muted);font-size:.875rem;line-height:1.7}
.footer-title{font-size:.9rem;font-weight:600;margin-bottom:14px;color:var(--text-light)}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:8px}
.footer-links a{
  color:#D8D8D8;font-size:.875rem;transition:color .2s,padding-left .2s;
  display:inline-block;
}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-links a:focus{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.footer-subscribe{display:flex;gap:8px;margin-top:6px}
.footer-subscribe input{
  flex:1;height:38px;border-radius:8px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.07);color:var(--text-light);padding:0 12px;font-size:.85rem;
  transition:border-color .2s,box-shadow .2s;
}
.footer-subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,144,42,.2)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:40px;padding:20px 0;
  font-size:.8rem;color:var(--text-light-muted);text-align:center;
}

/* 浮动CTA */
.floating-cta{
  position:fixed;right:24px;bottom:24px;z-index:900;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;background:var(--accent);color:var(--text-main);
  border-radius:48px;font-weight:600;font-size:.95rem;
  box-shadow:0 6px 18px rgba(232,144,42,.42);
  transition:background .2s,transform .2s,box-shadow .2s;
}
.floating-cta:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 22px rgba(232,144,42,.5)}
.floating-cta:active{transform:translateY(0)}
.floating-cta:focus{outline:2px solid var(--accent);outline-offset:3px}
.floating-cta i{font-size:.9rem}

/* 响应式 */
@media (max-width:1024px){
  .section{padding:72px 0}
  .category-hero{padding:130px 0 60px}
  .process-steps .columns{width:33.3333%}
  .nav-menu a{padding:8px 10px;font-size:.85rem}
}
@media (max-width:768px){
  .nav-capsule{padding:6px 12px}
  .nav-menu{
    display:none;position:fixed;top:76px;left:16px;right:16px;
    background:rgba(31,35,38,.96);border-radius:16px;
    flex-direction:column;align-items:stretch;padding:12px 0;
    box-shadow:0 12px 28px rgba(31,35,38,.35);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 20px;border-radius:0;text-align:center;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-menu a:last-child{border-bottom:none}
  .nav-menu a.active{background:rgba(255,255,255,.06)}
  .nav-menu a.active::after{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .category-hero{padding:110px 0 50px}
  .hero-visual{padding:12px 4px 18px 16px}
  .hero-card{left:30px;bottom:28px;width:66%}
  .section{padding:48px 0}
  .info-section{padding:48px 0 0}
  .intro-section{padding:40px 0 0}
  .mid-banner{padding:48px 0 0}
  .scenario-section{padding:48px 0}
  .process-section{padding:48px 0}
  .faq-section{padding:48px 0}
  .cta-form{margin-top:28px}
  .floating-cta{right:18px;bottom:18px;padding:0 18px;height:44px;font-size:.9rem}
  .floating-cta span{max-width:70px;white-space:nowrap}
  .banner-strip{padding:18px 20px}
  .footer-bottom{font-size:.75rem}
}
@media (max-width:520px){
  .process-steps .columns{width:100%}
  .btn{width:100%;max-width:320px}
  .hero-actions{flex-direction:column;gap:10px}
  .hero-actions .btn{max-width:100%}
  .info-block{padding:24px}
  .intro-text{padding:24px 20px;font-size:1rem}
  .faq-question{padding:16px 18px;font-size:.95rem}
  .faq-answer{padding:0 18px 16px}
  .section-title{font-size:1.4rem}
  .hero-card{width:80%;left:18px;bottom:20px}
  .hero-card-tag{font-size:.75rem}
}