/* roulang page: index */
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; background: #FFFFFF; color: #1F2937; line-height: 1.75; font-size: 16px; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: #334155; transition: color .25s ease; }
a:hover { color: #E8590C; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
:focus-visible { outline: 2px solid #E8590C; outline-offset: 2px; }

/* ===== Design Variables ===== */
:root {
  --primary: #E8590C;
  --primary-hover: #D9480F;
  --primary-soft: #FFF7ED;
  --secondary: #1E293B;
  --secondary-dark: #0F172A;
  --bg-light: #F8FAFC;
  --bg-gray: #F1F5F9;
  --text-main: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --border: #E5E7EB;
  --success: #16A34A;
  --warning: #F59E0B;
  --error: #DC2626;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 12px 24px rgba(15, 23, 42, 0.12);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --container: 1200px;
  --space-section: 88px;
  --space-section-mobile: 56px;
}

/* ===== Container ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 16px; font-weight: 600; line-height: 1; padding: 14px 32px; border-radius: var(--radius-btn); transition: var(--transition); cursor: pointer; text-align: center; border: 1px solid transparent; }
.btn-primary { background: var(--primary); color: #FFFFFF; box-shadow: 0 4px 14px rgba(232, 89, 12, 0.3); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 89, 12, 0.35); color: #fff; }
.btn-primary:active { transform: translateY(0); }
.btn-white { background: #FFFFFF; color: var(--secondary); box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15); }
.btn-white:hover { background: var(--bg-gray); color: var(--primary); transform: translateY(-2px); }
.btn-outline { background: transparent; color: #FFFFFF; border-color: rgba(255, 255, 255, 0.7); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; color: #fff; }
.btn-outline-dark { background: transparent; color: var(--secondary); border-color: var(--border); }
.btn-outline-dark:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 16px 40px; font-size: 17px; }
@media (max-width: 576px) { .btn { width: 100%; padding: 14px 24px; } }

/* ===== Tag / Badge ===== */
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 500; background: var(--primary-soft); color: var(--primary); line-height: 1.4; }
.tag-gray { background: var(--bg-gray); color: var(--text-secondary); }
.tag-green { background: rgba(22, 163, 74, 0.1); color: #15803D; }

/* ===== Section ===== */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-light); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 48px; flex-wrap: wrap; }
.section-title { font-size: 32px; font-weight: 700; line-height: 1.3; color: var(--text-main); letter-spacing: 0.01em; }
.section-title::after { content: ''; display: block; width: 48px; height: 3px; background: var(--primary); border-radius: 2px; margin-top: 12px; }
.section-sub { color: var(--text-muted); font-size: 15px; max-width: 560px; line-height: 1.7; }
@media (max-width: 768px) { .section-title { font-size: 26px; } .section { padding: var(--space-section-mobile) 0; } }

/* ===== Floating Navigation ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 24px 0; pointer-events: none; }
.site-nav { max-width: var(--container); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 24px; background: rgba(255, 255, 255, 0.85); border: 1px solid rgba(226, 232, 240, 0.8); border-radius: 60px; box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); pointer-events: auto; transition: var(--transition); }
.site-nav.scrolled { box-shadow: 0 8px 30px rgba(15, 23, 42, 0.12); background: rgba(255, 255, 255, 0.92); }
.nav-logo { font-size: 19px; font-weight: 800; color: var(--text-main); letter-spacing: 0.02em; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.nav-logo span { color: var(--primary); }
.nav-logo:hover { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 10px 20px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-secondary); transition: var(--transition); white-space: nowrap; }
.nav-link:hover { background: var(--bg-gray); color: var(--primary); }
.nav-link.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 50%; align-items: center; justify-content: center; flex-direction: column; gap: 5px; background: var(--bg-gray); }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 768px) {
  .site-header { padding: 12px 16px 0; }
  .site-nav { border-radius: 20px; padding: 10px 16px; }
  .nav-toggle { display: flex; }
  .nav-links { display: none; position: absolute; top: calc(100% + 10px); left: 0; right: 0; background: rgba(255, 255, 255, 0.97); border-radius: 20px; padding: 16px; flex-direction: column; gap: 8px; box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12); border: 1px solid var(--border); backdrop-filter: blur(12px); }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; text-align: center; padding: 12px 20px; border-radius: 12px; }
  .nav-link.active { background: var(--primary-soft); }
}

/* ===== Hero ===== */
.hero { position: relative; min-height: 86vh; display: flex; align-items: center; overflow: hidden; background: var(--secondary-dark); }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover; }
.hero-mask { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(15, 23, 42, 0.88) 15%, rgba(15, 23, 42, 0.65) 45%, rgba(15, 23, 42, 0.3) 100%); }
.hero-content { position: relative; z-index: 2; padding: 120px 0 80px; max-width: 720px; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.18); color: #fff; padding: 8px 20px; border-radius: 999px; font-size: 14px; margin-bottom: 28px; backdrop-filter: blur(6px); }
.hero-tag i { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; }
.hero-title { font-size: clamp(34px, 5.6vw, 52px); font-weight: 800; line-height: 1.2; color: #FFFFFF; letter-spacing: 0.01em; margin-bottom: 20px; }
.hero-title em { font-style: normal; color: #FB923C; }
.hero-desc { font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, 0.88); margin-bottom: 36px; max-width: 560px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-badges { display: flex; gap: 24px; flex-wrap: wrap; }
.hero-badge { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.8); }
.hero-badge i { width: 22px; height: 22px; border-radius: 50%; background: rgba(232, 89, 12, 0.7); display: inline-flex; align-items: center; justify-content: center; font-style: normal; font-size: 11px; color: #fff; font-weight: 700; }
.hero-bottom-line { position: absolute; bottom: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), #FBBF24); z-index: 2; }
@media (max-width: 768px) {
  .hero { min-height: 70vh; }
  .hero-content { padding: 100px 0 60px; }
  .hero-btns { flex-direction: column; }
  .hero-badges { gap: 12px; flex-direction: column; }
}

/* ===== Advantages ===== */
.advantages-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.adv-left .section-title { margin-bottom: 20px; }
.adv-left p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 32px; }
.adv-list { display: flex; flex-direction: column; gap: 24px; }
.adv-item { display: flex; gap: 16px; align-items: flex-start; }
.adv-icon { width: 48px; height: 48px; min-width: 48px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; }
.adv-item h3 { font-size: 17px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.adv-item p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; line-height: 1.6; }
.adv-right { position: relative; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-hover); }
.adv-right img { width: 100%; height: 460px; object-fit: cover; border-radius: 20px; }
.adv-right::after { content: ''; position: absolute; inset: 0; border-radius: 20px; box-shadow: inset 0 -40px 60px rgba(15, 23, 42, 0.15); pointer-events: none; }
@media (max-width: 1024px) { .advantages-grid { grid-template-columns: 1fr; gap: 40px; } .adv-right img { height: 340px; } }

/* ===== Business Core ===== */
.business-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.biz-card { position: relative; border-radius: var(--radius-card); overflow: hidden; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-card); transition: var(--transition); display: flex; flex-direction: column; }
.biz-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(232, 89, 12, 0.3); }
.biz-thumb { overflow: hidden; position: relative; }
.biz-thumb img { width: 100%; height: 220px; object-fit: cover; transition: transform .45s ease; }
.biz-card:hover .biz-thumb img { transform: scale(1.04); }
.biz-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.biz-body .tag { align-self: flex-start; margin-bottom: 12px; }
.biz-body h3 { font-size: 21px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; }
.biz-body p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; flex: 1; margin-bottom: 18px; }
.biz-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: gap .25s; }
.biz-link:hover { gap: 10px; color: var(--primary-hover); }
@media (max-width: 768px) { .business-grid { grid-template-columns: 1fr; } }

/* ===== Stats ===== */
.stats-section { background: var(--secondary-dark) url('/assets/images/backpic/back-2.png') no-repeat center center / cover; position: relative; }
.stats-mask { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.9); }
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding: 20px 0; }
.stat-item { text-align: center; }
.stat-num { font-size: 52px; font-weight: 800; color: var(--primary); line-height: 1.1; display: block; letter-spacing: -0.02em; }
.stat-num sup { font-size: 24px; top: -0.6em; }
.stat-label { font-size: 15px; color: rgba(255, 255, 255, 0.75); margin-top: 8px; }
@media (max-width: 1024px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (max-width: 576px) { .stat-num { font-size: 40px; } }

/* ===== News List ===== */
.news-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.news-tab { padding: 8px 20px; border-radius: 999px; font-size: 14px; font-weight: 500; background: var(--bg-gray); color: var(--text-secondary); transition: var(--transition); }
.news-tab:hover { background: var(--primary-soft); color: var(--primary); }
.news-tab.active { background: var(--primary); color: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { display: flex; flex-direction: column; background: #fff; border-radius: var(--radius-card); border: 1px solid var(--border); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(232, 89, 12, 0.25); }
.news-thumb { overflow: hidden; aspect-ratio: 16 / 9; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.news-meta time { font-size: 13px; color: var(--text-muted); }
.news-body h3 { font-size: 18px; font-weight: 700; line-height: 1.5; color: var(--text-main); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; flex: 1; }
.news-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: gap .25s; }
.news-link:hover { gap: 10px; color: var(--primary-hover); }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 64px 24px; background: var(--bg-gray); border-radius: var(--radius-card); border: 1px dashed var(--border); }
.empty-state p { font-size: 16px; color: var(--text-muted); }
@media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; } }

/* ===== FAQ ===== */
.faq-wrap { max-width: 880px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 16px; margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item.active { border-color: rgba(232, 89, 12, 0.35); box-shadow: var(--shadow-card); }
.faq-q { padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-size: 17px; font-weight: 600; color: var(--text-main); transition: color .25s; }
.faq-q:hover { color: var(--primary); }
.faq-icon { width: 28px; height: 28px; min-width: 28px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 500; transition: transform .35s ease, background .25s; }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.4, 0, .2, 1); }
.faq-a-inner { padding: 0 28px 24px; font-size: 15px; line-height: 1.8; color: var(--text-secondary); }
.faq-item.active .faq-a { max-height: 400px; }

/* ===== CTA ===== */
.cta-section { position: relative; background: var(--secondary-dark) url('/assets/images/backpic/back-3.png') no-repeat center center / cover; overflow: hidden; }
.cta-mask { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 30%, rgba(15, 23, 42, 0.72) 100%); }
.cta-content { position: relative; z-index: 1; text-align: center; padding: 100px 24px; }
.cta-content h2 { font-size: 38px; font-weight: 800; color: #fff; line-height: 1.3; margin-bottom: 16px; letter-spacing: 0.01em; }
.cta-content p { font-size: 17px; color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto 36px; line-height: 1.8; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
@media (max-width: 768px) {
  .cta-content { padding: 72px 16px; }
  .cta-content h2 { font-size: 28px; }
  .cta-btns { flex-direction: column; }
}

/* ===== Footer ===== */
.site-footer { background: var(--secondary); color: #CBD5E1; }
.footer-top { border-top: 4px solid var(--primary); display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding: 64px 0 48px; }
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-logo { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: 0.02em; }
.footer-logo span { color: #FB923C; }
.footer-desc { font-size: 14px; line-height: 1.8; color: #94A3B8; max-width: 300px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #E2E8F0; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 24px; height: 2px; background: var(--primary); border-radius: 1px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #94A3B8; font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: #FB923C; padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: #94A3B8; line-height: 1.7; margin-bottom: 12px; }
.footer-contact .ct { color: var(--primary); font-weight: 600; min-width: 24px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 18px 0; text-align: center; font-size: 13px; color: #64748B; }
.footer-bottom a { color: #94A3B8; }
.footer-bottom a:hover { color: #FB923C; }
@media (max-width: 1024px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 768px) { .footer-top { grid-template-columns: 1fr; gap: 32px; } }

/* ===== Back to top ===== */
.back-top { position: fixed; bottom: 32px; right: 32px; width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; box-shadow: 0 6px 20px rgba(232, 89, 12, 0.35); opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999; }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--primary-hover); transform: translateY(-4px); }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* roulang page: category1 */
:root {
  --primary: #E8590C;
  --primary-dark: #D9480F;
  --primary-light: #FFF7ED;
  --primary-soft: #FEE2E2;
  --ink: #1E293B;
  --ink-deep: #0F172A;
  --text: #1F2937;
  --text-body: #4B5563;
  --text-muted: #9CA3AF;
  --border: #E5E7EB;
  --bg: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-blue: #F1F5F9;
  --success: #16A34A;
  --warning: #F59E0B;
  --error: #DC2626;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 24px rgba(15, 23, 42, 0.12);
  --container: 1200px;
  --space-section: 88px;
  --space-section-mobile: 56px;
  --transition: all 0.25s ease;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: #334155; text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-bg { background: var(--bg-light); }
.section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.section-head p { margin-top: 14px; color: var(--text-body); font-size: 16px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  line-height: 1.4;
  transition: var(--transition);
  border: 1px solid transparent;
  min-height: 48px;
  white-space: nowrap;
}
.btn i, .btn .arrow { font-style: normal; font-size: 18px; line-height: 1; }
.btn-primary { background: var(--primary); color: #FFFFFF; box-shadow: 0 4px 14px rgba(232, 89, 12, 0.28); }
.btn-primary:hover { background: var(--primary-dark); color: #FFFFFF; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 89, 12, 0.36); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(232, 89, 12, 0.24); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--ink); }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-light { background: #FFFFFF; color: var(--primary-dark); box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14); }
.btn-light:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 16px;
  pointer-events: none;
}
.site-nav {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  pointer-events: auto;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.1);
}
.nav-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-logo span {
  color: var(--primary);
  font-size: 24px;
  font-weight: 900;
  margin-right: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary-dark); background: var(--primary-light); font-weight: 600; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-btn);
  background: var(--bg-light);
  padding: 0 10px;
  align-items: center;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background: linear-gradient(110deg, rgba(15, 23, 42, 0.82) 0%, rgba(30, 41, 59, 0.58) 55%, rgba(30, 41, 59, 0.2) 100%), url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
  color: #FFFFFF;
  padding: 120px 0 100px;
  margin-top: 0;
}
.hero-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; width: 100%; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.92);
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; display: inline-block; }
.hero h1 {
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
  max-width: 700px;
  margin-bottom: 20px;
  color: #FFFFFF;
}
.hero h1 .highlight { color: #FFB180; }
.hero-sub {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-btns .btn-outline { border-color: rgba(255, 255, 255, 0.7); color: #FFFFFF; }
.hero-btns .btn-outline:hover { background: rgba(255, 255, 255, 0.14); border-color: #FFFFFF; color: #FFFFFF; }
.hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.76);
}
.hero-meta-item .icon { color: #FFB180; font-size: 18px; }
.hero-bottom-line { height: 4px; background: linear-gradient(90deg, var(--primary), rgba(232, 89, 12, 0.3)); }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 14px 0;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: #FFFFFF;
}
.breadcrumb .container { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #D1D5DB; }

/* ===== 优势区 ===== */
.advantages { background: var(--bg-light); }
.adv-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.adv-left h2 { font-size: clamp(28px, 4vw, 34px); font-weight: 800; line-height: 1.3; color: var(--ink); margin-bottom: 18px; letter-spacing: 0.02em; }
.adv-left .divider { width: 48px; height: 3px; background: var(--primary); border-radius: 2px; margin-bottom: 20px; }
.adv-left p { color: var(--text-body); font-size: 16px; line-height: 1.9; margin-bottom: 28px; }
.adv-left .btn { margin-top: 8px; }
.adv-right { display: flex; flex-direction: column; gap: 20px; }
.adv-item {
  display: flex;
  gap: 20px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  transition: var(--transition);
}
.adv-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(232, 89, 12, 0.3); }
.adv-item .num {
  font-size: 30px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.22;
  font-style: italic;
  line-height: 1;
  min-width: 40px;
}
.adv-item h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.adv-item p { font-size: 15px; color: var(--text-body); line-height: 1.7; }

/* ===== 方案卡片区 ===== */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.solution-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.solution-card .cover { height: 190px; overflow: hidden; }
.solution-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.solution-card:hover .cover img { transform: scale(1.05); }
.solution-card .body { padding: 26px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.solution-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  align-self: flex-start;
}
.solution-card h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.solution-card p { font-size: 14px; color: var(--text-body); line-height: 1.7; flex: 1; -webkit-line-clamp: 3; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.solution-card .more-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.solution-card .more-link .arrow { transition: transform 0.2s ease; }
.solution-card:hover .more-link .arrow { transform: translateX(4px); }

/* ===== 场景区 ===== */
.scenario-section { background: var(--bg-blue); }
.scenario-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.scenario-item {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 32px 32px 28px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  transition: var(--transition);
  display: flex;
  gap: 20px;
}
.scenario-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.scenario-item .si-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  font-weight: 700;
}
.scenario-item h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.scenario-item p { font-size: 14.5px; color: var(--text-body); line-height: 1.75; }

/* ===== 流程区 ===== */
.process-wrap { display: flex; gap: 0; margin-top: 16px; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; width: 100%; }
.process-step { position: relative; text-align: left; padding: 28px 24px 24px; background: var(--bg-light); border-radius: var(--radius-card); border: 1px solid var(--border); transition: var(--transition); }
.process-step:hover { box-shadow: var(--shadow-md); border-color: rgba(232, 89, 12, 0.3); transform: translateY(-3px); }
.process-step .step-num { font-size: 40px; font-weight: 900; color: rgba(232, 89, 12, 0.16); line-height: 1; margin-bottom: 16px; }
.process-step h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-body); line-height: 1.7; }

/* ===== 数据区 ===== */
.stats-wrap {
  background: linear-gradient(125deg, var(--ink-deep) 0%, var(--ink) 100%);
  border-radius: 20px;
  padding: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  color: #FFFFFF;
}
.stat-item { text-align: center; }
.stat-num { font-size: clamp(36px, 4vw, 48px); font-weight: 800; color: #FFB180; line-height: 1.2; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.65); margin-top: 8px; letter-spacing: 0.05em; }
.stat-divider { width: 32px; height: 2px; background: rgba(255, 255, 255, 0.15); margin: 14px auto 0; border-radius: 1px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(232, 89, 12, 0.25); }
.faq-item.active { box-shadow: var(--shadow-sm); border-color: rgba(232, 89, 12, 0.35); }
.faq-q {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  gap: 16px;
}
.faq-q .icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 300;
  transition: transform 0.3s ease;
  font-style: normal;
  line-height: 1;
}
.faq-item.active .faq-q .icon { transform: rotate(45deg); background: var(--primary); color: #FFFFFF; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; font-size: 14.5px; color: var(--text-body); line-height: 1.8; }
.faq-a-inner { padding: 0 24px 20px; border-top: 1px dashed var(--border); padding-top: 14px; }

/* ===== CTA ===== */
.cta-section { position: relative; background: linear-gradient(135deg, var(--ink-deep) 0%, var(--ink) 60%), url('/assets/images/backpic/back-2.png') center center/cover no-repeat; background-blend-mode: multiply; }
.cta-inner { text-align: center; color: #FFFFFF; padding: 72px 0; }
.cta-inner h2 { font-size: clamp(28px, 4vw, 36px); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, 0.75); max-width: 640px; margin: 0 auto 32px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer { background: var(--ink-deep); color: #CBD5E1; border-top: 4px solid var(--primary); }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 60px 24px 40px;
}
.footer-logo { display: inline-flex; align-items: center; font-size: 22px; font-weight: 800; color: #FFFFFF; margin-bottom: 16px; }
.footer-logo span { color: var(--primary); font-size: 26px; font-weight: 900; margin-right: 2px; }
.footer-logo:hover { color: #FFFFFF; }
.footer-desc { font-size: 14px; line-height: 1.8; color: #94A3B8; max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #FFFFFF; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--primary); border-radius: 1px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #94A3B8; font-size: 14px; transition: color 0.2s ease; }
.footer-col ul a:hover { color: #FFB180; }
.footer-contact li {
  font-size: 14px;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.footer-contact .ct { color: var(--primary); font-weight: 700; font-style: normal; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; }
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #94A3B8;
}
.footer-bottom a { color: #94A3B8; }
.footer-bottom a:hover { color: #FFB180; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-wrap { grid-template-columns: 1fr; gap: 40px; }
  .stats-wrap { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: var(--space-section-mobile) 0; }
  .section-head { margin-bottom: 32px; }
  .site-header { top: 8px; }
  .site-nav { height: 56px; padding: 0 16px; border-radius: 16px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
    border: 1px solid var(--border);
    gap: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-link { padding: 12px 16px; font-size: 16px; width: 100%; text-align: center; }
  .nav-link.active { background: var(--primary-light); }
  .hero { min-height: auto; padding: 100px 0 72px; }
  .hero-badge { font-size: 13px; }
  .hero-sub { font-size: 15px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .hero-meta { flex-direction: column; gap: 12px; margin-top: 36px; }
  .solution-grid { grid-template-columns: 1fr; }
  .scenario-list { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px 24px; }
  .footer-bottom .container { flex-direction: column; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .process-steps { grid-template-columns: 1fr; }
  .adv-item { flex-direction: column; gap: 10px; padding: 20px; }
  .scenario-item { flex-direction: column; gap: 12px; padding: 24px 20px; }
  .stats-wrap { grid-template-columns: 1fr; padding: 40px 24px; }
  .btn { padding: 13px 24px; font-size: 15px; }
  .section-head h2 { font-size: 26px; }
  .hero h1 { font-size: 30px; }
}

@media (max-width: 768px) {
  .nav-links .nav-link { font-size: 15px; padding: 10px 14px; }
}

.mobile-nav-fix + .hero { margin-top: 0; }

/* roulang page: article */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #1F2937;
  background: #F8FAFC;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
  color: #0F172A;
}
p {
  margin: 0;
}
:root {
  --primary: #E8590C;
  --primary-dark: #D9480F;
  --primary-bg: #FFF7ED;
  --deep: #0F172A;
  --deep-2: #1E293B;
  --section-bg: #F1F5F9;
  --body-bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --text-main: #1F2937;
  --text-sec: #4B5563;
  --text-weak: #9CA3AF;
  --line: #E5E7EB;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow-lg: 0 12px 24px rgba(15, 23, 42, .12);
  --container: 1200px;
  --transition: all .22s ease;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(232, 89, 12, .24);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232, 89, 12, .28);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  border-color: #CBD5E1;
  color: #1E293B;
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(232, 89, 12, .08);
  color: var(--primary);
}
.btn-ghost-light {
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .45);
  color: #fff;
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, .22);
  border-color: #fff;
}
.btn-lg {
  min-height: 50px;
  padding: 0 32px;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Header Navigation */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  padding: 0 24px;
  pointer-events: none;
}
.site-nav {
  position: relative;
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(226, 232, 240, .9);
  border-radius: 60px;
  padding: 12px 28px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, .08);
  pointer-events: auto;
  transition: var(--transition);
}
.site-header.scrolled .site-nav {
  box-shadow: 0 10px 28px rgba(15, 23, 42, .14);
  background: rgba(255, 255, 255, .95);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: .02em;
}
.nav-logo span {
  color: var(--primary);
  margin-right: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(232, 89, 12, .06);
}
.nav-link.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}
.nav-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  transition: background .2s;
}
.nav-toggle:hover {
  background: rgba(232, 89, 12, .06);
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--deep);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Article Banner */
.article-banner {
  position: relative;
  background:
    linear-gradient(118deg, rgba(255, 247, 237, .96), rgba(248, 250, 252, .92)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-bottom: 1px solid #E2E8F0;
  padding: 92px 0 64px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sec);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-sec);
  transition: color .2s;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb-sep {
  color: #CBD5E1;
}
.breadcrumb-current {
  color: var(--text-main);
  font-weight: 500;
  display: inline-block;
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-heading {
  max-width: 860px;
}
.article-heading h1 {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.25;
  letter-spacing: .01em;
  color: #0F172A;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  font-size: 14px;
  color: var(--text-sec);
}
.meta-cat {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(232, 89, 12, .12);
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}
.meta-date,
.meta-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-weak);
}

/* Article Wrap & Card */
.article-wrap {
  padding: 0 0 72px;
  background: #F8FAFC;
}
.post-card {
  max-width: 920px;
  margin: -28px auto 0;
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  padding: 56px 64px 48px;
  position: relative;
}

/* CMS Content */
.cms-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-main);
}
.cms-content > p {
  margin-bottom: 1.2em;
}
.cms-content > p:last-child {
  margin-bottom: 0;
}
.cms-content h2 {
  font-size: 24px;
  margin: 1.8em 0 .8em;
  padding-bottom: 10px;
  border-bottom: 2px solid #FDE8D4;
}
.cms-content h3 {
  font-size: 20px;
  margin: 1.6em 0 .8em;
}
.cms-content h4 {
  font-size: 17px;
  margin: 1.5em 0 .6em;
}
.cms-content a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(232, 89, 12, .3);
  text-underline-offset: 3px;
}
.cms-content a:hover {
  color: var(--primary-dark);
  text-decoration-color: var(--primary);
}
.cms-content ul,
.cms-content ol {
  margin: 0 0 1.2em;
  padding-left: 1.6em;
}
.cms-content ul {
  list-style: disc;
}
.cms-content ol {
  list-style: decimal;
}
.cms-content li {
  margin-bottom: .45em;
}
.cms-content blockquote {
  margin: 1.6em 0;
  padding: 16px 22px;
  border-left: 4px solid var(--primary);
  background: var(--primary-bg);
  border-radius: 0 12px 12px 0;
  color: var(--text-sec);
}
.cms-content img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  margin: 1.6em 0;
  box-shadow: var(--shadow-sm);
}
.cms-content pre {
  background: #0F172A;
  color: #E2E8F0;
  padding: 20px 22px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 1.6em 0;
  font-size: 14px;
  line-height: 1.7;
}
.cms-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .92em;
}
.cms-content pre code {
  background: none;
  padding: 0;
}
.cms-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 15px;
}
.cms-content th,
.cms-content td {
  border: 1px solid #E2E8F0;
  padding: 10px 12px;
  text-align: left;
}
.cms-content th {
  background: #F8FAFC;
  font-weight: 600;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 20px;
}
.empty-state .empty-icon {
  font-size: 42px;
  color: #CBD5E1;
}
.empty-state h3 {
  margin-top: 16px;
  font-size: 20px;
}
.empty-state .btn {
  margin-top: 24px;
}

/* Post Foot */
.post-foot {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid #EEF2F7;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.post-tags .tag-label {
  font-size: 14px;
  color: var(--text-weak);
  margin-right: 4px;
}
.post-tags .tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 999px;
  background: #F8FAFC;
  border: 1px solid #E5E7EB;
  font-size: 13px;
  color: var(--text-sec);
  transition: var(--transition);
}
.post-tags .tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

/* Related Posts */
.related-section {
  padding: 80px 0;
  background: #fff;
  border-top: 1px solid #E2E8F0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 44px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
  margin-top: 12px;
}
.section-sub {
  font-size: 15px;
  color: var(--text-sec);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.related-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.related-card .related-cover {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #F1F5F9;
}
.related-card .related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.04);
}
.related-info {
  padding: 22px 22px 24px;
}
.related-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 10px;
}
.related-meta .meta-cat {
  font-size: 12px;
}
.related-info h3 {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 10px;
}
.related-info h3 a {
  color: #0F172A;
  transition: color .2s;
}
.related-info h3 a:hover {
  color: var(--primary);
}
.related-info p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sec);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Article CTA */
.article-cta {
  background: linear-gradient(120deg, #0F172A 0%, #1E293B 100%);
  padding: 72px 0;
}
.cta-inner {
  text-align: center;
  max-width: 720px;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(22px, 3vw, 30px);
}
.cta-inner p {
  color: #CBD5E1;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: #1E293B;
  color: #CBD5E1;
}
.site-footer .footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: 64px 24px 48px;
}
.footer-brand .footer-logo {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.footer-logo span {
  color: var(--primary);
  margin-right: 2px;
}
.footer-desc {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: #94A3B8;
  max-width: 320px;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
}
.site-footer ul li {
  margin-bottom: 10px;
}
.site-footer a {
  color: #CBD5E1;
  font-size: 14px;
  transition: color .2s;
}
.site-footer a:hover {
  color: var(--primary);
}
.footer-contact .ct {
  color: var(--primary);
  margin-right: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: #94A3B8;
}
.footer-bottom a {
  color: #CBD5E1;
}

/* Responsive */
@media (max-width: 1024px) {
  .post-card {
    padding: 48px 40px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-footer .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .site-header {
    top: 10px;
    padding: 0 12px;
  }
  .site-nav {
    padding: 10px 18px;
    border-radius: 20px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 16px 32px rgba(15, 23, 42, .12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-link {
    justify-content: center;
    min-height: 44px;
    font-size: 16px;
    border-radius: 10px;
  }
  .article-banner {
    padding: 76px 0 52px;
  }
  .article-wrap {
    padding: 0 0 56px;
  }
  .post-card {
    margin: -20px 16px 0;
    padding: 32px 22px 36px;
    border-radius: 16px;
  }
  .breadcrumb {
    margin-bottom: 16px;
  }
  .article-heading h1 {
    font-size: 26px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .cta-actions .btn {
    width: 100%;
  }
}
@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-footer .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 48px 16px 32px;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
  .post-meta {
    gap: 12px;
  }
}