/* roulang page: index */
:root {
  --primary: #1D6FB8;
  --primary-hover: #155A94;
  --deep-navy: #0E2A47;
  --gold: #C29A5C;
  --bg: #F5F8FB;
  --card-bg: #FFFFFF;
  --border: #E1EAF1;
  --text: #22303C;
  --text-secondary: #5E6E7E;
  --text-muted: #9AA9B5;
  --success: #2E8B57;
  --error: #C0392B;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 20px rgba(14,42,71,0.08);
  --shadow-hover: 0 12px 32px rgba(14,42,71,0.12);
  --transition: 0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-md);
  font-size: 15px; font-weight: 600; line-height: 1.4;
  border: 1px solid transparent; cursor: pointer;
  transition: all var(--transition); gap: 8px; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(29,111,184,0.28); }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(29,111,184,0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(29,111,184,0.06); border-color: var(--primary-hover); color: var(--primary-hover); transform: translateY(-2px); }
.btn-gold { background: var(--gold); color: #fff; box-shadow: 0 4px 14px rgba(194,154,92,0.28); }
.btn-gold:hover { background: #ad8448; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(194,154,92,0.35); }
.btn-white { background: #fff; color: var(--deep-navy); border-color: rgba(255,255,255,0.3); }
.btn-white:hover { background: rgba(255,255,255,0.9); color: var(--deep-navy); transform: translateY(-2px); }
.btn-lg { padding: 16px 40px; font-size: 16px; border-radius: 10px; }
.btn-full { width: 100%; }

/* 标签 */
.tag {
  display: inline-flex; align-items: center; padding: 4px 14px;
  border-radius: var(--radius-pill); font-size: 12px; font-weight: 600;
  letter-spacing: 1px; background: rgba(29,111,184,0.08); color: var(--primary);
}
.tag-gold { background: rgba(194,154,92,0.12); color: #a57a3f; }
.tag-light { background: rgba(255,255,255,0.16); color: #fff; }

/* Header */
.site-header { background: #fff; z-index: 100; }
.nav-top {
  height: 64px; border-bottom: 1px solid var(--border);
  background: #fff; display: flex; align-items: center;
}
.nav-top-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.brand-logo { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.brand-num {
  font-size: 30px; font-weight: 800; color: var(--gold);
  font-family: "Arial Narrow","DIN",sans-serif; line-height: 1;
  letter-spacing: -1px;
}
.brand-text { font-size: 20px; font-weight: 700; color: var(--deep-navy); letter-spacing: 1px; }
.nav-search {
  display: flex; align-items: center; flex: 0 1 360px; min-width: 0;
  background: #EDF2F7; border-radius: var(--radius-pill); padding: 0 4px 0 16px;
  height: 40px; border: 1px solid transparent; transition: border-color var(--transition);
}
.nav-search:focus-within { border-color: var(--primary); background: #fff; }
.nav-search input {
  flex: 1; border: none; background: transparent; outline: none;
  font-size: 14px; color: var(--text); min-width: 0;
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search button {
  background: var(--primary); border: none; width: 34px; height: 34px;
  border-radius: 50%; color: #fff; cursor: pointer; display: flex;
  align-items: center; justify-content: center; transition: background var(--transition);
}
.nav-search button:hover { background: var(--primary-hover); }
.nav-cta { flex-shrink: 0; padding: 9px 22px; font-size: 14px; }

/* 频道导航 */
.nav-channels {
  background: #f8fafc; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 99;
}
.channel-list {
  list-style: none; display: flex; gap: 4px; padding: 8px 0;
  overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none;
  white-space: nowrap;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px; border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 500; color: var(--text-secondary);
  transition: all var(--transition); position: relative;
}
.channel-link:hover { background: rgba(29,111,184,0.06); color: var(--primary); }
.channel-link.active { background: rgba(29,111,184,0.1); color: var(--primary); font-weight: 600; }
.channel-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 16px; height: 3px; border-radius: 2px; background: var(--gold);
}
.channel-link .dot { display: none; }
.channel-link.active .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

/* Hero */
.hero {
  position: relative; padding: 64px 0 72px; overflow: hidden;
  background: linear-gradient(120deg, rgba(245,248,251,0.95) 0%, rgba(255,255,255,0.86) 45%, rgba(225,234,241,0.78) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-grid { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.hero-left { flex: 1; max-width: 560px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.hero-badge .tag { font-size: 13px; padding: 6px 18px; }
.hero h1 {
  font-size: 42px; line-height: 1.3; font-weight: 800; color: var(--deep-navy);
  margin: 0 0 20px; letter-spacing: 0.5px;
}
.hero-sub { font-size: 17px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 32px; max-width: 480px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { margin-top: 28px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.hero-meta-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.hero-meta-item i { color: var(--gold); }
.hero-right { flex-shrink: 0; display: flex; justify-content: center; }
.video-frame {
  width: 320px; height: 568px; border-radius: 24px; overflow: hidden;
  border: 4px solid #fff; box-shadow: 0 16px 48px rgba(14,42,71,0.18);
  position: relative; cursor: pointer; background: var(--deep-navy);
  transition: box-shadow var(--transition), transform var(--transition);
}
.video-frame:hover { box-shadow: 0 20px 56px rgba(14,42,71,0.24); transform: translateY(-4px); }
.video-frame .video-cover {
  width: 100%; height: 100%; object-fit: cover; display: block;
  background: #d8e2ea;
}
.video-frame .video-shade {
  position: absolute; left: 0; right: 0; bottom: 0; height: 70%;
  background: linear-gradient(to top, rgba(14,42,71,0.7), transparent);
}
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(194,154,92,0.92); display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); border: 2px solid rgba(255,255,255,0.7);
}
.video-play i { color: #fff; font-size: 22px; margin-left: 4px; }
.video-frame:hover .video-play { transform: translate(-50%, -50%) scale(1.12); background: var(--gold); }
.video-frame .video-duration {
  position: absolute; bottom: 14px; left: 14px; z-index: 2;
  font-size: 12px; color: rgba(255,255,255,0.95); background: rgba(14,42,71,0.65);
  padding: 3px 10px; border-radius: var(--radius-pill); letter-spacing: 0.5px;
}
.video-frame .video-caption {
  position: absolute; bottom: 50px; left: 16px; right: 16px; z-index: 2;
  color: #fff; font-size: 14px; font-weight: 600; line-height: 1.5;
}
.video-badge-vr { position: absolute; top: 14px; right: 14px; z-index: 2; }

/* 通用区块 */
.section { padding: 72px 0; }
.section-alt { background: linear-gradient(180deg, #f5f8fb 0%, #eef3f8 100%); }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section-header h2 { font-size: 30px; font-weight: 800; color: var(--deep-navy); line-height: 1.35; margin: 0; }
.section-header .section-desc { color: var(--text-secondary); font-size: 14px; margin-top: 6px; }
.section-header .section-more { color: var(--text-secondary); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.section-header .section-more:hover { color: var(--primary); }
.sec-badge { display: inline-block; font-size: 13px; font-weight: 700; color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; text-transform: uppercase; }

/* 热门片段横滑 */
.hot-scroll { overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; scroll-snap-type: x mandatory; padding: 8px 0 16px; }
.hot-scroll::-webkit-scrollbar { display: none; }
.hot-track { display: flex; gap: 24px; flex-wrap: nowrap; }
.hot-card {
  width: 240px; flex-shrink: 0; scroll-snap-align: start;
  border-radius: var(--radius-lg); overflow: hidden; cursor: pointer;
  position: relative; background: var(--card-bg);
  box-shadow: var(--shadow-card); border: 1px solid var(--border);
  transition: all var(--transition);
}
.hot-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); transform: translateY(-4px); }
.hot-card .hot-thumb { aspect-ratio: 9/16; overflow: hidden; position: relative; }
.hot-card .hot-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.hot-card:hover .hot-thumb img { transform: scale(1.04); }
.hot-card .hot-thumb .thumb-shade {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(14,42,71,0.6), transparent 55%);
}
.hot-card .hot-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 48px; height: 48px; border-radius: 50%; background: rgba(194,154,92,0.9);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); opacity: 0.9;
}
.hot-card .hot-play i { color: #fff; font-size: 16px; margin-left: 2px; }
.hot-card:hover .hot-play { transform: translate(-50%, -50%) scale(1.15); background: var(--gold); }
.hot-card .hot-dur {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: rgba(14,42,71,0.65); color: #fff; font-size: 11px;
  padding: 2px 10px; border-radius: var(--radius-pill); letter-spacing: 0.5px;
}
.hot-card .hot-body { padding: 14px 16px 16px; }
.hot-card .hot-title { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 42px; }
.hot-card .hot-meta { font-size: 12px; color: var(--text-muted); margin-top: 8px; display: flex; align-items: center; gap: 6px; }
.scroll-arrow { display: inline-flex; align-items: center; gap: 8px; }
.scroll-arrow button {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border);
  background: #fff; color: var(--text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.scroll-arrow button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 种草清单 */
.guide-grid { display: flex; flex-direction: column; gap: 24px; }
.guide-row-1 { display: flex; gap: 24px; }
.guide-big {
  flex: 0 0 calc(58.333% - 12px); border-radius: var(--radius-lg); overflow: hidden;
  position: relative; min-height: 360px; box-shadow: var(--shadow-card);
  border: 1px solid var(--border); cursor: pointer; transition: all var(--transition);
}
.guide-big:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.guide-big img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.guide-big .guide-big-shade {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(14,42,71,0.78), transparent 60%);
}
.guide-big .guide-big-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px; z-index: 2; }
.guide-big .guide-big-tag { margin-bottom: 10px; }
.guide-big h3 { color: #fff; font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.guide-big p { color: rgba(255,255,255,0.82); font-size: 14px; line-height: 1.6; margin: 0; }
.guide-side { flex: 1; display: flex; flex-direction: column; gap: 24px; }
.guide-small {
  flex: 1; background: var(--card-bg); border-radius: var(--radius-lg);
  border: 1px solid var(--border); box-shadow: var(--shadow-card);
  padding: 24px; display: flex; align-items: center; gap: 18px;
  transition: all var(--transition); cursor: pointer;
}
.guide-small:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); transform: translateY(-2px); }
.guide-small .guide-icon {
  width: 58px; height: 58px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: rgba(29,111,184,0.08); color: var(--primary); font-size: 24px; flex-shrink: 0;
}
.guide-small:nth-child(2) .guide-icon { background: rgba(194,154,92,0.12); color: var(--gold); }
.guide-small-content h4 { font-size: 17px; font-weight: 700; color: var(--deep-navy); margin-bottom: 4px; }
.guide-small-content p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; margin: 0; }
.guide-row-2 { display: flex; gap: 24px; }
.guide-hcard {
  flex: 0 0 calc(50% - 12px); display: flex; align-items: center; gap: 24px;
  background: var(--card-bg); border-radius: var(--radius-lg); border: 1px solid var(--border);
  box-shadow: var(--shadow-card); padding: 28px 32px; transition: all var(--transition); cursor: pointer;
}
.guide-hcard:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); transform: translateY(-2px); }
.guide-num {
  font-size: 44px; font-weight: 800; color: var(--gold); font-family: "Arial Narrow","DIN",sans-serif;
  line-height: 1; flex-shrink: 0; min-width: 64px;
}
.guide-hcard-content h4 { font-size: 18px; font-weight: 700; color: var(--deep-navy); margin-bottom: 6px; }
.guide-hcard-content p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.6; }

/* 最新资讯 */
.news-section { background: var(--bg); }
.news-layout { display: flex; gap: 48px; }
.news-intro { flex: 0 0 280px; }
.news-intro h2 { font-size: 30px; font-weight: 800; color: var(--deep-navy); margin-bottom: 12px; }
.news-intro p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.news-list-wrap { flex: 1; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item {
  display: flex; align-items: center; gap: 20px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 18px 20px;
  transition: all var(--transition); border-left: 3px solid transparent;
}
.news-item:hover { background: #F0F6FB; border-color: var(--primary); border-left-color: var(--gold); box-shadow: var(--shadow-card); }
.news-tag { flex-shrink: 0; }
.news-content { flex: 1; min-width: 0; }
.news-content h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-content p { font-size: 13px; color: var(--text-secondary); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-time { flex-shrink: 0; font-size: 13px; color: var(--text-muted); }
.news-arrow {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
  background: rgba(29,111,184,0.08); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); font-size: 14px;
}
.news-item:hover .news-arrow { background: var(--primary); color: #fff; transform: translateX(2px); }
.news-empty {
  background: var(--card-bg); border: 1px dashed var(--border); border-radius: var(--radius-md);
  padding: 48px; text-align: center; color: var(--text-muted); font-size: 15px;
}

/* 口碑条 */
.testimonials { background: var(--deep-navy); padding: 72px 0; position: relative; border-top: 2px solid var(--gold); }
.testimonials .section-header h2 { color: #fff; }
.testimonials .section-header .section-desc { color: rgba(255,255,255,0.6); }
.t-scroll { overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.t-scroll::-webkit-scrollbar { display: none; }
.t-track { display: flex; gap: 20px; flex-wrap: nowrap; }
.t-card {
  width: 280px; flex-shrink: 0; scroll-snap-align: start;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg); padding: 24px;
  transition: all var(--transition);
}
.t-card:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.24); }
.t-stars { color: var(--gold); font-size: 14px; margin-bottom: 14px; letter-spacing: 2px; }
.t-quote { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.88); margin-bottom: 16px; }
.t-person { font-size: 13px; color: rgba(255,255,255,0.6); display: flex; align-items: center; gap: 8px; }
.t-person i { width: 32px; height: 32px; border-radius: 50%; background: rgba(194,154,92,0.3); display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 12px; }

/* CTA 询价 */
.cta-section { padding: 80px 0; background: linear-gradient(135deg, #eef3f8 0%, #f5f8fb 100%); }
.cta-grid { display: flex; gap: 48px; align-items: center; }
.cta-left { flex: 1; }
.cta-left h2 { font-size: 30px; font-weight: 800; color: var(--deep-navy); margin-bottom: 20px; line-height: 1.35; }
.cta-points { list-style: none; margin: 0 0 32px; padding: 0; }
.cta-points li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--text); margin-bottom: 12px; }
.cta-points li i { color: var(--gold); font-size: 16px; flex-shrink: 0; }
.cta-right { width: 440px; flex-shrink: 0; }
.form-card {
  background: var(--card-bg); border-radius: var(--radius-lg); padding: 32px;
  box-shadow: 0 16px 48px rgba(14,42,71,0.1); border: 1px solid var(--border);
}
.form-card h3 { font-size: 20px; font-weight: 700; color: var(--deep-navy); margin-bottom: 4px; }
.form-card .form-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group label span { color: var(--error); margin-left: 2px; }
.form-control {
  width: 100%; height: 44px; border: 1px solid #D7E2EA; border-radius: var(--radius-md);
  padding: 0 14px; font-size: 14px; color: var(--text); background: #fafcfe;
  transition: all var(--transition); outline: none;
}
.form-control:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(29,111,184,0.12); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235E6E7E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

/* FAQ */
.faq-section { padding: 72px 0; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition);
}
.accordion-item.is-active { border-color: var(--primary); box-shadow: var(--shadow-card); border-left: 3px solid var(--gold); }
.accordion-title {
  display: block; padding: 20px 24px; font-size: 16px; font-weight: 600;
  color: var(--text); cursor: pointer; position: relative; transition: color var(--transition);
}
.accordion-title::before {
  content: '\f067'; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  font-size: 13px; color: var(--text-muted); transition: transform var(--transition);
}
.accordion-item.is-active .accordion-title { color: var(--primary); }
.accordion-item.is-active .accordion-title::before { content: '\f068'; color: var(--primary); }
.accordion-content { padding: 0 24px 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* 页脚 */
.site-footer { background: var(--deep-navy); padding: 64px 0 0; color: rgba(255,255,255,0.7); }
.footer-grid { display: flex; gap: 40px; padding-bottom: 40px; }
.footer-brand { flex: 0 0 320px; }
.footer-brand .brand-num { font-size: 32px; }
.footer-brand .brand-text { font-size: 22px; color: #fff; }
.footer-brand p { font-size: 13px; line-height: 1.7; margin-top: 16px; color: rgba(255,255,255,0.55); }
.footer-col { flex: 1; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: 1px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; font-size: 13px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 13px; transition: color var(--transition); }
.footer-col ul a:hover { color: var(--gold); }
.footer-col ul li i { width: 20px; color: var(--gold); font-size: 13px; }
.qr-box {
  width: 110px; height: 110px; border-radius: 12px; background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16); display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.4); font-size: 12px; flex-direction: column; gap: 6px;
}
.qr-box i { font-size: 28px; color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
  font-size: 13px; color: rgba(255,255,255,0.5); text-align: center;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold); }

/* Reveal Modal */
.video-modal-body { padding: 20px; }
.video-modal-wrap { position: relative; width: 100%; aspect-ratio: 16/9; background: #0B1A2B; border-radius: 10px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.video-modal-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.4; }
.video-modal-placeholder { position: relative; z-index: 2; text-align: center; color: rgba(255,255,255,0.85); }
.video-modal-placeholder .pm-icon { font-size: 48px; color: var(--gold); margin-bottom: 12px; }
.video-modal-placeholder p { font-size: 14px; }
.reveal { border-radius: 16px; border: none; }
.reveal .close-button { color: var(--text-secondary); }
.reveal .close-button:hover { color: var(--error); }

/* Focus */
a:focus-visible, button:focus-visible, input:focus-visible, .form-control:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px;
}

/* 移动端 */
@media (max-width: 1024px) {
  .hero-grid { flex-direction: column; gap: 40px; }
  .hero-left { max-width: none; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .news-layout { flex-direction: column; gap: 32px; }
  .news-intro { flex: none; }
  .guide-row-1, .guide-row-2 { flex-direction: column; }
  .guide-big { flex: none; width: 100%; }
  .guide-hcard { flex: none; width: 100%; }
  .cta-grid { flex-direction: column; }
  .cta-right { width: 100%; max-width: 520px; }
  .footer-grid { flex-wrap: wrap; }
  .footer-brand { flex: 0 0 100%; }
}
@media (max-width: 639px) {
  .section { padding: 56px 0; }
  .hero { padding: 44px 0 56px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .video-frame { width: 240px; height: 426px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section-header h2 { font-size: 24px; }
  .nav-top-inner { gap: 12px; }
  .nav-search { flex: 0 1 180px; }
  .nav-cta { padding: 8px 16px; font-size: 13px; }
  .brand-num { font-size: 24px; }
  .brand-text { font-size: 17px; }
  .hot-card { width: 200px; }
  .news-item { flex-wrap: wrap; }
  .news-content { flex: 0 0 100%; order: 3; white-space: normal; }
  .news-content h3 { white-space: normal; }
  .news-content p { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-time { margin-left: auto; }
  .news-arrow { display: none; }
  .cta-section { padding: 56px 0; }
  .cta-left h2 { font-size: 24px; }
  .form-card { padding: 24px; }
  .guide-big { min-height: 260px; }
  .guide-big h3 { font-size: 20px; }
  .guide-hcard { flex-direction: column; text-align: center; gap: 12px; padding: 24px; }
  .footer-grid { gap: 32px; }
  .channel-link { padding: 8px 16px; font-size: 14px; }
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --primary: #1D6FB8;
  --primary-hover: #155A94;
  --dark-blue: #0E2A47;
  --gold: #C29A5C;
  --bg: #F5F8FB;
  --card: #FFFFFF;
  --border: #E1EAF1;
  --text: #22303C;
  --text-secondary: #5E6E7E;
  --text-muted: #9AA9B5;
  --success: #2E8B57;
  --danger: #C0392B;
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 20px rgba(14,42,71,0.08);
  --shadow-hover: 0 12px 32px rgba(14,42,71,0.12);
  --transition: 0.2s ease;
}
/* ========== Reset & Base ========== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: all var(--transition); }
a:hover { color: var(--primary-hover); }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(29,111,184,0.25);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(29,111,184,0.08);
  color: var(--primary-hover);
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ========== 双层导航 ========== */
.site-header {
  background: #fff;
  position: relative;
  z-index: 30;
}
.nav-top {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 22px;
  color: var(--dark-blue);
  letter-spacing: 1px;
  flex-shrink: 0;
  line-height: 1.2;
}
.brand-num {
  color: var(--gold);
  font-size: 30px;
  font-weight: 800;
  margin-right: 2px;
  font-family: "Arial Narrow", Arial, sans-serif;
}
.brand-text { font-size: 18px; }
.nav-search {
  flex: 0 1 360px;
  display: flex;
  align-items: center;
  background: #F0F4F8;
  border-radius: var(--radius-pill);
  padding: 4px 4px 4px 18px;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.nav-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(29,111,184,0.12);
}
.nav-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  outline: none;
  padding: 8px 0;
  min-width: 0;
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search button {
  width: 34px;
  height: 34px;
  border: none;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
}
.nav-search button:hover { background: var(--primary-hover); }
.nav-cta { flex-shrink: 0; }
.nav-channels {
  background: #FBFCFE;
  border-bottom: 1px solid var(--border);
}
.channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  height: 48px;
  align-items: center;
  scroll-snap-type: x proximity;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
  scroll-snap-align: start;
  line-height: 1.4;
}
.channel-link .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--transition);
}
.channel-link:hover {
  background: #EDF4FA;
  color: var(--primary);
}
.channel-link.active {
  background: #E8F1F8;
  color: var(--primary);
  font-weight: 600;
}
.channel-link.active .dot { opacity: 1; }

/* ========== 文章页主区 ========== */
.article-main {
  background: var(--bg);
  padding: 40px 0 80px;
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 10px; color: #C3CFDA; }
.breadcrumb .current { color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 280px; }

/* 文章头部 */
.article-head {
  background: var(--dark-blue);
  border-radius: var(--radius-card);
  padding: 40px 48px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.article-head::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url('/assets/images/backpic/back-1.webp') no-repeat center top / cover;
  opacity: 0.2;
  z-index: 0;
}
.article-head::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(194,154,92,0.25) 0%, transparent 70%);
  z-index: 1;
}
.article-head > * { position: relative; z-index: 2; }
.cat-pill {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: #EAF3FB;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  backdrop-filter: none;
}
.article-head h1 {
  font-size: 32px;
  line-height: 1.3;
  color: #fff;
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  max-width: 90%;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i { color: var(--gold); font-size: 14px; }

/* 正文卡片 */
.article-body {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 44px 48px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  min-height: 400px;
  font-size: 16px;
}
.article-body p {
  font-size: 17px;
  line-height: 1.9;
  margin: 0 0 24px;
  color: #2A3742;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark-blue);
  margin: 40px 0 16px;
  line-height: 1.4;
  padding-top: 8px;
}
.article-body h2::before {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  background: var(--gold);
  border-radius: 3px;
  margin-bottom: 14px;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--dark-blue);
  margin: 28px 0 12px;
  line-height: 1.4;
}
.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark-blue);
  margin: 24px 0 10px;
}
.article-body blockquote {
  border-left: 4px solid var(--gold);
  background: #F0F6FB;
  margin: 28px 0;
  padding: 18px 24px;
  border-radius: 0 10px 10px 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}
.article-body img {
  border-radius: 16px;
  margin: 16px 0 24px;
  box-shadow: var(--shadow-card);
}
.article-body ul,
.article-body ol {
  margin: 0 0 24px;
  padding-left: 24px;
}
.article-body li {
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 8px;
  color: #2A3742;
}
.article-body li::marker { color: var(--gold); }
.article-body table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  font-size: 14px;
  display: table;
}
@media (max-width: 639px) {
  .article-body table { display: block; overflow-x: auto; white-space: nowrap; }
}
.article-body th {
  background: var(--dark-blue);
  color: #fff;
  padding: 12px 18px;
  text-align: left;
  font-weight: 500;
}
.article-body td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
}
.article-body tr:nth-child(even) td { background: #FAFCFF; }
.article-body tr:hover td { background: #F0F6FB; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { text-decoration: none; }
.article-body .aligncenter { text-align: center; }
.article-body hr {
  border: none;
  border-top: 2px solid var(--border);
  margin: 40px 0;
}

/* 正文底部导航 */
.article-footer-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.article-footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-btn);
  background: #F5F8FB;
  transition: all var(--transition);
}
.article-footer-nav a:hover {
  background: #E8F1F8;
  color: var(--primary);
}

/* 空态 */
.article-empty {
  text-align: center;
  padding: 80px 30px;
}
.article-empty i {
  font-size: 52px;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: inline-block;
}
.article-empty h1 {
  font-size: 24px;
  color: var(--dark-blue);
  margin-bottom: 10px;
}
.article-empty p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ========== 侧边栏 ========== */
.article-sidebar {
  position: sticky;
  top: 112px;
}
.sidebar-card {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  transition: box-shadow var(--transition);
}
.sidebar-card:hover { box-shadow: var(--shadow-hover); }
.sidebar-card h4 {
  font-size: 16px;
  color: var(--dark-blue);
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.sidebar-card h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 28px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc-list li { margin-bottom: 2px; }
.toc-list a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.5;
}
.toc-list a:hover {
  background: #F0F6FB;
  color: var(--primary);
  border-left-color: var(--primary);
}
.toc-list li.toc-sub a {
  padding-left: 28px;
  font-size: 13px;
  color: var(--text-muted);
}

/* 相关推荐 */
.related-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 12px;
  transition: all var(--transition);
  margin-bottom: 8px;
  border: 1px solid transparent;
}
.related-item:last-child { margin-bottom: 0; }
.related-item:hover {
  background: #F0F6FB;
  border-color: var(--border);
  transform: translateX(4px);
}
.related-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}
.related-item span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}
.related-item:hover span { color: var(--primary); }

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark-blue);
  padding: 60px 0 0;
  color: rgba(255,255,255,0.8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand-logo { color: #fff; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,0.62);
  margin-top: 16px;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li {
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.footer-col a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold); }
.footer-col i.fa-phone,
.footer-col i.fa-envelope,
.footer-col i.fa-clock {
  color: var(--gold);
  margin-right: 8px;
  width: 16px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin: 0;
}
.qr-box {
  width: 110px;
  height: 110px;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  flex-direction: column;
  gap: 8px;
  border: 1px dashed rgba(255,255,255,0.2);
  transition: all var(--transition);
}
.qr-box:hover { border-color: var(--gold); color: var(--gold); }
.qr-box i { font-size: 28px; color: var(--gold); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .nav-search { flex-basis: 260px; }
  .article-head { padding: 32px 36px; }
  .article-head h1 { font-size: 28px; }
  .article-body { padding: 32px 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-top-inner { height: 56px; }
  .nav-search { display: none; }
  .brand-text { font-size: 16px; }
  .nav-cta { padding: 9px 16px; font-size: 13px; }
  .article-main { padding: 24px 0 56px; }
  .article-head { padding: 24px; }
  .article-head h1 { font-size: 24px; max-width: 100%; }
  .article-body { padding: 24px; border-radius: 12px; }
  .article-body p { font-size: 16px; }
  .article-sidebar { position: static; }
  .sidebar-card { margin-bottom: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand p { max-width: 100%; }
}
@media (max-width: 520px) {
  .breadcrumb .current { max-width: 140px; }
  .article-head h1 { font-size: 21px; }
  .article-head { padding: 20px 18px; }
  .article-body { padding: 18px; }
  .article-meta { flex-wrap: wrap; gap: 10px; font-size: 13px; }
  .article-footer-nav { flex-direction: column; align-items: stretch; }
  .article-footer-nav a { justify-content: center; }
  .channel-link { padding: 8px 14px; font-size: 13px; }
  .brand-num { font-size: 26px; }
  .brand-text { font-size: 15px; }
}

/* roulang page: category1 */
:root {
  --primary: #1D6FB8;
  --primary-hover: #155A94;
  --deep-navy: #0E2A47;
  --gold: #C29A5C;
  --bg: #F5F8FB;
  --card-bg: #FFFFFF;
  --border: #E1EAF1;
  --text: #22303C;
  --text-secondary: #5E6E7E;
  --text-muted: #9AA9B5;
  --success: #2E8B57;
  --danger: #C0392B;
  --radius-card: 16px;
  --radius-btn: 8px;
  --shadow-card: 0 6px 20px rgba(14,42,71,0.08);
  --shadow-hover: 0 12px 32px rgba(14,42,71,0.12);
  --transition: all 0.2s ease;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
  padding: 0;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-hover);
}
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
.grid-container {
  max-width: 1200px;
}

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-card);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(29,111,184,0.08);
  color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-light {
  background: #fff;
  color: var(--deep-navy);
  border-color: #fff;
}
.btn-light:hover {
  background: rgba(255,255,255,0.9);
  color: var(--deep-navy);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}
.btn-block {
  width: 100%;
}

/* 标签 / pill */
.tag-pill {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.4px;
  background: rgba(29,111,184,0.08);
  color: var(--primary);
}
.tag-gold {
  background: rgba(194,154,92,0.14);
  color: #9c7436;
}
.tag-blue {
  background: rgba(29,111,184,0.1);
  color: var(--primary);
}
.tag-navy {
  background: rgba(14,42,71,0.07);
  color: var(--deep-navy);
}

/* 顶部导航 */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 100;
}
.nav-top {
  border-bottom: 1px solid #eef2f6;
}
.nav-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.brand-logo {
  display: inline-flex;
  align-items: baseline;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-logo .brand-num {
  color: var(--gold);
  font-size: 26px;
  font-weight: 800;
  font-family: "Arial Narrow", "PingFang SC", sans-serif;
  margin-right: 2px;
}
.brand-logo .brand-text {
  color: var(--deep-navy);
  font-size: 20px;
  font-weight: 700;
}
.nav-search {
  display: flex;
  align-items: center;
  background: #eef3f7;
  border-radius: 999px;
  height: 40px;
  padding-left: 16px;
  width: 100%;
  max-width: 360px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.nav-search:focus-within {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29,111,184,0.12);
}
.nav-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text);
  height: 38px;
}
.nav-search button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  margin-right: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}
.nav-search button:hover {
  background: var(--primary-hover);
}
.nav-cta {
  flex-shrink: 0;
  padding: 8px 18px;
  font-size: 14px;
}

/* 频道导航行 */
.nav-channels {
  background: #fafcfe;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 99;
}
.channel-list {
  display: flex;
  align-items: center;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
  height: 48px;
}
.channel-list::-webkit-scrollbar {
  display: none;
}
.channel-list li {
  flex-shrink: 0;
}
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--transition);
}
.channel-link .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: transparent;
  transition: var(--transition);
}
.channel-link:hover {
  background: rgba(29,111,184,0.08);
  color: var(--primary);
}
.channel-link.active {
  background: rgba(29,111,184,0.1);
  color: var(--primary);
  font-weight: 600;
}
.channel-link.active .dot {
  background: var(--gold);
}

/* 页脚 */
.site-footer {
  background: var(--deep-navy);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand {
  flex: 1 1 260px;
  max-width: 340px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255,255,255,0.55);
}
.footer-col {
  flex: 1 1 180px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--gold);
}
.footer-col ul li i {
  width: 20px;
  color: var(--gold);
  margin-right: 6px;
}
.qr-box {
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
.qr-box i {
  font-size: 28px;
  color: var(--gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.09);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* 分类页 hero */
.cat-hero {
  position: relative;
  background-image: linear-gradient(135deg, rgba(245,248,251,0.95) 0%, rgba(255,255,255,0.88) 60%, rgba(225,234,241,0.55) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 72px 0 72px;
  border-bottom: 1px solid var(--border);
}
.cat-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.75);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.cat-hero-badge i {
  color: var(--gold);
}
.cat-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--deep-navy);
  margin-bottom: 18px;
}
.cat-hero p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 28px;
}
.cat-hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}
.cat-hero-stats .stat-item {
  border-left: 3px solid var(--gold);
  padding-left: 14px;
}
.cat-hero-stats .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--deep-navy);
  font-family: "Arial Narrow", sans-serif;
  line-height: 1.2;
}
.cat-hero-stats .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 子锚点导航 */
.anchor-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 48px;
  z-index: 90;
  box-shadow: 0 2px 8px rgba(14,42,71,0.03);
}
.anchor-nav-inner {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding: 12px 0;
  scrollbar-width: none;
}
.anchor-nav-inner::-webkit-scrollbar {
  display: none;
}
.anchor-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--border);
  white-space: nowrap;
  transition: var(--transition);
}
.anchor-link:hover {
  background: rgba(29,111,184,0.08);
  color: var(--primary);
  border-color: var(--primary);
}
.anchor-link i {
  font-size: 12px;
}

/* 区块通用 */
.cat-section {
  padding: 80px 0;
}
.section-tinted {
  background: #edf3f8;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--deep-navy);
  line-height: 1.35;
  margin-bottom: 6px;
}
.section-header p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 15px;
}
.section-header-right {
  margin-left: auto;
}

/* 产品分类卡片 */
.product-cat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: calc(100% - 24px);
  margin-bottom: 24px;
}
.product-cat-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.product-cat-card .card-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.product-cat-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-cat-card:hover .card-img img {
  transform: scale(1.04);
}
.product-cat-card .card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-cat-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 10px;
}
.product-cat-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.product-cat-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.card-link-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-link-more:hover {
  color: var(--primary-hover);
  gap: 10px;
}

/* 精选产品 */
.featured-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.featured-main {
  flex: 1 1 58%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.featured-main:hover {
  box-shadow: var(--shadow-hover);
}
.featured-main .featured-img {
  height: 320px;
  overflow: hidden;
}
.featured-main .featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.featured-main .featured-body {
  padding: 32px;
}
.featured-main h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 12px;
}
.featured-main p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.featured-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.featured-specs .spec-item {
  background: var(--bg);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.featured-specs .spec-item .spec-label {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}
.featured-specs .spec-item .spec-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--deep-navy);
}
.featured-side {
  flex: 1 1 38%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.featured-mini {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  gap: 20px;
  align-items: center;
  flex: 1;
}
.featured-mini:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
  transform: translateX(4px);
}
.featured-mini .mini-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(29,111,184,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  flex-shrink: 0;
}
.featured-mini h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 6px;
}
.featured-mini p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 应用场景 */
.scene-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: calc(100% - 24px);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.scene-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  opacity: 0;
  transition: var(--transition);
}
.scene-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scene-card:hover::before {
  opacity: 1;
}
.scene-card .scene-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(29,111,184,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 18px;
}
.scene-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 10px;
}
.scene-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* 选型指南表 */
.guide-table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow-x: auto;
  padding: 8px;
}
.guide-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.guide-table th, .guide-table td {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}
.guide-table thead th {
  background: var(--deep-navy);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border-bottom: none;
}
.guide-table thead th:first-child {
  border-radius: 10px 0 0 0;
}
.guide-table thead th:last-child {
  border-radius: 0 10px 0 0;
}
.guide-table tbody tr:last-child td {
  border-bottom: none;
}
.guide-table tbody tr:hover {
  background: #f0f6fb;
}
.guide-table .row-label {
  font-weight: 600;
  color: var(--deep-navy);
  white-space: nowrap;
}
.guide-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 0;
}

/* 采购流程 */
.step-card {
  position: relative;
  padding: 32px 24px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  height: calc(100% - 24px);
  margin-bottom: 24px;
  transition: var(--transition);
}
.step-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.step-num {
  font-family: "Arial Narrow", sans-serif;
  font-size: 42px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}
.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* FAQ 手风琴 */
.faq-list .accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  overflow: hidden;
}
.faq-list .accordion-item.is-active {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}
.faq-list .accordion-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding: 20px 24px;
  border-bottom: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
.faq-list .accordion-title:hover {
  background: rgba(29,111,184,0.03);
  color: var(--primary);
}
.faq-list .accordion-title::before {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--primary);
  transition: var(--transition);
}
.faq-list .accordion-item.is-active .accordion-title::before {
  transform: rotate(180deg);
}
.faq-list .accordion-content {
  padding: 0 24px 20px;
  border-bottom: none;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}
.faq-list .accordion-item.is-active {
  border-left: 3px solid var(--gold);
}

/* CTA 询价区 */
.cat-cta {
  background: var(--deep-navy);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cat-cta::before {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(194,154,92,0.08);
}
.cta-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: center;
}
.cta-copy {
  flex: 1 1 45%;
}
.cta-copy h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
}
.cta-copy p {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.cta-points {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}
.cta-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 12px;
  font-size: 15px;
}
.cta-points li i {
  color: var(--gold);
  font-size: 14px;
}
.cta-form-card {
  flex: 1 1 45%;
  background: #fff;
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.cta-form-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 6px;
}
.cta-form-card .form-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  border: 1px solid #D7E2EA;
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 15px;
  background: #fafcfe;
  transition: var(--transition);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29,111,184,0.12);
  background: #fff;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235E6E7E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* 响应式 */
@media (max-width: 1023px) {
  .cat-hero h1 {
    font-size: 34px;
  }
  .featured-main .featured-img {
    height: 240px;
  }
}
@media (max-width: 639px) {
  .nav-top-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 12px 0;
    gap: 10px;
  }
  .nav-search {
    max-width: 100%;
    order: 3;
  }
  .nav-cta {
    margin-left: auto;
  }
  .cat-hero {
    padding: 48px 0;
  }
  .cat-hero h1 {
    font-size: 30px;
  }
  .cat-hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }
  .cat-section {
    padding: 56px 0;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .featured-main .featured-img {
    height: 200px;
  }
  .featured-main .featured-body {
    padding: 20px;
  }
  .featured-specs {
    grid-template-columns: 1fr 1fr;
  }
  .cta-form-card {
    padding: 24px;
  }
  .footer-grid {
    gap: 24px;
  }
  .footer-brand {
    max-width: 100%;
  }
  .anchor-nav {
    top: 0;
  }
  .channel-list {
    height: 44px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #1D6FB8;
  --primary-hover: #155A94;
  --navy: #0E2A47;
  --gold: #C29A5C;
  --bg: #F5F8FB;
  --card-bg: #FFFFFF;
  --border: #E1EAF1;
  --text: #22303C;
  --text-secondary: #5E6E7E;
  --muted: #9AA9B5;
  --success: #2E8B57;
  --error: #C0392B;
  --radius: 16px;
  --radius-btn: 8px;
  --shadow: 0 6px 20px rgba(14,42,71,0.08);
  --shadow-hover: 0 12px 32px rgba(14,42,71,0.12);
  --transition: all .2s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; color: var(--navy); line-height: 1.4; }
p { margin: 0; }
input, select, textarea, button { font-family: inherit; font-size: 14px; max-width: 100%; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.grid-container { max-width: 1200px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(29,111,184,0.24); }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(29,111,184,0.28); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: rgba(29,111,184,0.06); color: var(--primary-hover); transform: translateY(-2px); }
.btn-block { width: 100%; padding: 13px 24px; margin-top: 10px; }
.btn-block:first-child { margin-top: 0; }
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}
.btn-link:hover { color: var(--primary-hover); gap: 12px; }
.btn-link i { font-size: 18px; }

/* Tags / badges */
.tag {
  display: inline-block;
  background: rgba(29,111,184,0.07);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 12px;
  margin-right: 8px;
  letter-spacing: .5px;
}
.section-tag {
  display: inline-block;
  background: rgba(194,154,92,0.12);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(194,154,92,0.1);
  color: var(--gold);
  border: 1px solid rgba(194,154,92,0.36);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
  letter-spacing: 1px;
}

/* Header */
.site-header {
  position: relative;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav-top { background: #fff; border-bottom: 1px solid #EDF2F6; }
.nav-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  flex-shrink: 0;
}
.brand-num {
  font-size: 30px;
  font-weight: 800;
  color: var(--gold);
  font-family: "Arial Narrow", Arial, sans-serif;
  letter-spacing: 1px;
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 1px;
}
.nav-search {
  display: flex;
  align-items: center;
  background: #F1F5F9;
  border: 1px solid #E6EDF3;
  border-radius: 999px;
  padding: 0 14px;
  width: 300px;
  height: 40px;
  transition: var(--transition);
}
.nav-search:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(29,111,184,0.12); }
.nav-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
  height: 100%;
}
.nav-search button {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  padding: 0 4px;
  line-height: 1;
}
.nav-search button:hover { color: var(--primary); }
.nav-cta { padding: 9px 18px; font-size: 14px; }

.nav-channels { background: #FBFCFE; border-bottom: 1px solid var(--border); }
.channel-list {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  height: 48px;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--transition);
  position: relative;
}
.channel-link .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--muted);
  opacity: 0;
  transition: var(--transition);
}
.channel-link:hover { background: rgba(29,111,184,0.06); color: var(--primary); }
.channel-link:hover .dot { opacity: 1; background: var(--primary); }
.channel-link.active { background: rgba(29,111,184,0.08); color: var(--primary); }
.channel-link.active .dot { opacity: 1; background: var(--primary); }
.channel-link.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

/* Category Hero */
.cat-hero {
  background: linear-gradient(135deg, rgba(245,248,251,0.94) 0%, rgba(255,255,255,0.88) 55%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(29,111,184,0.05);
}
.cat-hero h1 {
  font-size: 44px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 16px;
}
.cat-hero .hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; position: relative; z-index: 2; }
.hero-info-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-left: 24px;
  backdrop-filter: none;
}
.info-card-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #EDF2F6;
}
.info-card-item:last-child { border-bottom: none; }
.info-card-item i {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(29,111,184,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.info-card-item strong { display: block; font-size: 15px; color: var(--text); }
.info-card-item span { font-size: 14px; color: var(--text-secondary); }

/* Sticky anchor nav */
.sub-anchor-nav {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(14,42,71,0.04);
}
.sub-anchor-nav .anchor-list {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  height: 56px;
}
.sub-anchor-nav .anchor-list::-webkit-scrollbar { display: none; }
.sub-anchor-nav .anchor-list a {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--transition);
}
.sub-anchor-nav .anchor-list a:hover { background: rgba(29,111,184,0.07); color: var(--primary); }
.sub-anchor-nav .anchor-list a i { font-size: 12px; margin-right: 8px; color: var(--gold); }

/* Sections */
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head.left { text-align: left; margin: 0 0 32px; }
.section-head h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.section-head p { color: var(--text-secondary); font-size: 16px; line-height: 1.7; }

/* Service cards */
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(29,111,184,0.24); }
.service-card-img { height: 220px; overflow: hidden; position: relative; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.service-card:hover .service-card-img img { transform: scale(1.04); }
.service-card-body { padding: 26px 24px 28px; flex: 1; }
.service-card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.service-card-body p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 16px; }

/* Process */
.process-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-step {
  text-align: center;
  padding: 36px 22px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  margin-bottom: 24px;
}
.process-step:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.process-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  opacity: 0;
  transition: var(--transition);
}
.process-step:hover::before { opacity: 1; }
.step-index {
  font-size: 38px;
  font-weight: 800;
  color: var(--gold);
  font-family: "Arial Narrow", Arial, sans-serif;
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}
.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(29,111,184,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 0 auto 18px;
}
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* Advantage */
.advantage-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 420px;
  object-fit: cover;
  margin-bottom: 32px;
}
.advantage-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid #EDF2F6;
  transition: var(--transition);
}
.advantage-list li:last-child { border-bottom: none; }
.advantage-list li:hover { padding-left: 8px; }
.advantage-list i { color: var(--success); font-size: 20px; margin-top: 4px; flex-shrink: 0; }
.advantage-list strong { display: block; font-size: 17px; color: var(--navy); margin-bottom: 4px; }
.advantage-list p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* Testimonial strip */
.testimonial-strip {
  background: var(--navy);
  padding: 72px 0;
  border-top: 2px solid var(--gold);
}
.testimonial-strip .section-head { margin-bottom: 40px; }
.testimonial-strip .section-head h2 { color: #fff; }
.testimonial-strip .section-head p { color: rgba(255,255,255,0.6); }
.testi-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}
.testi-track::-webkit-scrollbar { display: none; }
.testi-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 24px 24px 20px;
  color: #fff;
}
.testi-stars { color: var(--gold); font-size: 13px; letter-spacing: 2px; margin-bottom: 14px; }
.testi-card p { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,0.9); margin-bottom: 18px; }
.testi-author { font-size: 13px; color: rgba(255,255,255,0.58); }
.testi-author strong { color: rgba(255,255,255,0.85); font-weight: 600; display: block; }

/* FAQ */
.faq-section { background: #fff; border-top: 1px solid var(--border); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion { margin: 0; }
.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(14,42,71,0.04);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item.is-active { border-color: rgba(29,111,184,0.24) !important; box-shadow: var(--shadow); }
.accordion-title {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  color: var(--text) !important;
  border: none !important;
  background: transparent !important;
  border-radius: var(--radius) !important;
  line-height: 1.5;
  transition: var(--transition);
}
.accordion-title::before {
  content: "\f078" !important;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  order: 2;
  color: var(--primary);
  font-size: 13px;
  transition: transform .2s ease;
  margin-left: auto;
}
.accordion-item.is-active > .accordion-title { color: var(--primary) !important; background: rgba(29,111,184,0.03) !important; }
.accordion-item.is-active > .accordion-title::before { transform: rotate(180deg); }
.accordion-content {
  border: none !important;
  background: transparent !important;
  padding: 4px 24px 20px !important;
}
.accordion-content p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; }

/* CTA / inquiry */
.cta-section {
  background: linear-gradient(135deg, rgba(245,248,251,0.95) 0%, rgba(255,255,255,0.9) 60%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 96px 0;
  border-top: 1px solid var(--border);
}
.cta-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.cta-copy h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; line-height: 1.35; }
.cta-copy p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
.cta-points { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.cta-points li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cta-points li i { color: var(--gold); font-size: 13px; }
.cta-form {
  background: rgba(255,255,255,0.96);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 32px;
}
.cta-form form { display: grid; gap: 12px; }
.cta-form input, .cta-form select {
  width: 100%;
  height: 44px;
  border: 1px solid #D7E2EA;
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: var(--transition);
}
.cta-form input:focus, .cta-form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(29,111,184,0.1);
}
.cta-form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235E6E7E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; cursor: pointer; }

/* Footer */
.site-footer {
  background: var(--navy);
  padding: 64px 0 0;
  color: rgba(255,255,255,0.7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); margin-top: 16px; max-width: 300px; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul li { margin-bottom: 12px; font-size: 14px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-col ul li i { width: 20px; color: var(--gold); margin-right: 8px; font-size: 13px; }
.qr-box {
  width: 132px;
  height: 132px;
  background: rgba(255,255,255,0.08);
  border: 1px dashed rgba(255,255,255,0.22);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
.qr-box i { font-size: 32px; color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* Responsive */
@media screen and (max-width: 1024px) {
  .cat-hero { padding: 64px 0; }
  .cat-hero h1 { font-size: 38px; }
  .hero-info-card { margin-left: 0; margin-top: 36px; }
  .cta-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 72px 0; }
}
@media screen and (max-width: 639px) {
  .nav-top-inner { height: auto; flex-wrap: wrap; padding: 10px 0; gap: 10px; }
  .nav-search { width: 100%; order: 3; }
  .nav-cta { font-size: 13px; padding: 8px 14px; }
  .cat-hero { padding: 48px 0 52px; }
  .cat-hero h1 { font-size: 30px; }
  .cat-hero .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 24px; }
  .cta-copy h2 { font-size: 26px; }
  .cta-form { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .testi-card { flex: 0 0 260px; }
  .process-step { padding: 28px 16px; }
}

/* roulang page: category2 */
:root {
      --primary: #1D6FB8;
      --primary-dark: #155A94;
      --deep-navy: #0E2A47;
      --gold: #C29A5C;
      --page-bg: #F5F8FB;
      --card-bg: #FFFFFF;
      --border: #E1EAF1;
      --text-main: #22303C;
      --text-secondary: #5E6E7E;
      --text-muted: #9AA9B5;
      --white: #FFFFFF;
      --success: #2E8B57;
      --danger: #C0392B;
      --radius-card: 16px;
      --radius-btn: 8px;
      --radius-pill: 999px;
      --shadow-card: 0 6px 20px rgba(14,42,71,0.08);
      --shadow-hover: 0 12px 32px rgba(14,42,71,0.12);
      --transition: 0.2s ease;
      --spacing-section: 96px;
      --font-sans: PingFang SC, Hiragino Sans GB, Microsoft YaHei, Noto Sans SC, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      background: var(--page-bg);
      color: var(--text-main);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--primary-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    ul, ol { list-style: none; }
    .grid-container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

    /* ===== Header ===== */
    .site-header {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      position: relative;
      z-index: 30;
    }
    .nav-top {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      position: relative;
    }
    .nav-top-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: 64px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: baseline;
      gap: 2px;
      font-weight: 800;
      font-size: 26px;
      letter-spacing: 0.5px;
      color: var(--deep-navy);
      line-height: 1.2;
      flex-shrink: 0;
    }
    .brand-logo .brand-num {
      color: var(--gold);
      font-family: "Arial Narrow", DIN, Arial, sans-serif;
      font-size: 28px;
    }
    .brand-logo .brand-text { color: var(--deep-navy); }
    .nav-search {
      flex: 1;
      max-width: 360px;
      display: flex;
      background: #EEF3F7;
      border-radius: var(--radius-pill);
      align-items: center;
      padding-left: 14px;
      border: 1px solid transparent;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .nav-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(29,111,184,0.10);
      background: var(--white);
    }
    .nav-search input {
      flex: 1;
      min-width: 0;
      border: none;
      background: transparent;
      height: 38px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
    }
    .nav-search input::placeholder { color: var(--text-muted); }
    .nav-search button {
      background: transparent;
      border: none;
      padding: 0 14px;
      cursor: pointer;
      color: var(--text-secondary);
      font-size: 14px;
      transition: color var(--transition);
    }
    .nav-search button:hover { color: var(--primary); }
    .nav-cta {
      flex-shrink: 0;
      white-space: nowrap;
    }
    .channel-list {
      display: flex;
      align-items: center;
      gap: 6px;
      overflow-x: auto;
      padding: 8px 0;
      min-height: 48px;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .channel-list::-webkit-scrollbar { display: none; }
    .channel-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      white-space: nowrap;
      transition: background var(--transition), color var(--transition);
    }
    .channel-link .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: transparent;
      transition: background var(--transition);
    }
    .channel-link:hover { background: #EDF4FA; color: var(--primary-dark); }
    .channel-link.active {
      background: #E5F0F8;
      color: var(--primary);
      font-weight: 600;
    }
    .channel-link.active .dot { background: var(--gold); }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
    }
    .btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 4px 14px rgba(29,111,184,0.25); }
    .btn-primary:hover { background: var(--primary-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(29,111,184,0.30); }
    .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(29,111,184,0.25); }
    .btn-ghost { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
    .btn-ghost:hover { background: #EDF4FA; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(29,111,184,0.12); }
    .btn-ghost:active { transform: translateY(0); }
    .btn-outline { background: var(--white); border: 1px solid var(--border); color: var(--primary); box-shadow: 0 2px 8px rgba(14,42,71,0.04); }
    .btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
    .btn-block { width: 100%; }
    .btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }

    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      padding: 88px 0 72px;
      background: var(--deep-navy);
      overflow: hidden;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.30;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(14,42,71,0.92) 0%, rgba(14,42,71,0.75) 55%, rgba(29,111,184,0.55) 100%);
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 840px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(194,154,92,0.18);
      border: 1px solid rgba(194,154,92,0.45);
      color: var(--gold);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      margin-bottom: 20px;
    }
    .page-hero h1 {
      font-size: 44px;
      line-height: 1.3;
      font-weight: 800;
      color: var(--white);
      margin-bottom: 18px;
      letter-spacing: 1px;
    }
    .hero-lead {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255,255,255,0.85);
      max-width: 640px;
      margin-bottom: 32px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }
    .hero-actions .btn-ghost { border-color: rgba(255,255,255,0.5); color: var(--white); }
    .hero-actions .btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 46px;
      border-top: 1px solid rgba(255,255,255,0.16);
      padding-top: 28px;
    }
    .stat-item strong {
      font-size: 28px;
      color: var(--gold);
      font-weight: 800;
      display: block;
      line-height: 1.2;
      font-family: "Arial Narrow", DIN, Arial, sans-serif;
    }
    .stat-item span {
      font-size: 13px;
      color: rgba(255,255,255,0.7);
    }

    /* ===== Topic Tabs ===== */
    .topic-tabs {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      position: relative;
      z-index: 20;
    }
    .topic-tabs-inner {
      display: flex;
      gap: 8px;
      padding: 12px 0;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      scroll-snap-type: x proximity;
    }
    .topic-tabs-inner::-webkit-scrollbar { display: none; }
    .topic-tab {
      flex-shrink: 0;
      scroll-snap-align: start;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      border: 1px solid var(--border);
      transition: all var(--transition);
    }
    .topic-tab:hover { border-color: var(--primary); color: var(--primary); background: #EDF4FA; }
    .topic-tab.active {
      background: var(--deep-navy);
      color: var(--white);
      border-color: var(--deep-navy);
      font-weight: 600;
    }

    /* ===== Section base ===== */
    .section-block { padding: var(--spacing-section) 0; }
    .section-heading { margin-bottom: 48px; }
    .section-heading .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--gold);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 10px;
      text-transform: uppercase;
    }
    .section-heading h2 {
      font-size: 28px;
      font-weight: 800;
      color: var(--deep-navy);
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .section-heading p {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 640px;
    }
    .section-heading.light h2 { color: var(--white); }
    .section-heading.light p { color: rgba(255,255,255,0.75); }

    /* ===== Tag / pill ===== */
    .tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.4px;
      background: #EDF4FA;
      color: var(--primary);
      border: 1px solid #D8E6F1;
    }
    .tag-gold { background: rgba(194,154,92,0.12); color: #A9824A; border-color: rgba(194,154,92,0.30); }

    /* ===== Spotlight ===== */
    .spotlight-section { background: var(--white); }
    .spotlight-grid { align-items: stretch; }
    .feature-card {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      height: 100%;
      min-height: 420px;
      display: flex;
      flex-direction: column;
      transition: box-shadow var(--transition);
    }
    .feature-card:hover { box-shadow: var(--shadow-hover); }
    .feature-card .feature-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feature-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(14,42,71,0) 30%, rgba(14,42,71,0.75) 90%);
    }
    .feature-meta {
      position: relative;
      z-index: 3;
      margin-top: auto;
      padding: 32px 28px 28px;
      color: var(--white);
    }
    .feature-meta .feature-title {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.4;
      display: block;
      margin: 14px 0 8px;
    }
    .feature-meta p {
      font-size: 14px;
      color: rgba(255,255,255,0.85);
      max-width: 460px;
    }
    .side-article-card {
      display: flex;
      gap: 18px;
      background: var(--page-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 22px 24px;
      margin-bottom: 18px;
      transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .side-article-card:last-child { margin-bottom: 0; }
    .side-article-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .side-article-icon {
      flex-shrink: 0;
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: #E5F0F8;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }
    .side-article-body h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--deep-navy);
      margin: 8px 0 6px;
      line-height: 1.4;
    }
    .side-article-body p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 10px;
    }
    .text-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .text-link:hover { color: var(--primary-dark); gap: 9px; }
    .text-link i { transition: transform var(--transition); }

    /* ===== Application ===== */
    .application-section .app-row {
      display: flex;
      align-items: center;
      margin-bottom: 56px;
    }
    .application-section .app-row:last-child { margin-bottom: 0; }
    .app-img {
      border-radius: 20px;
      width: 100%;
      height: 360px;
      object-fit: cover;
      box-shadow: var(--shadow-card);
    }
    .app-content {
      padding: 20px 0 20px 40px;
    }
    .app-content .step-num {
      font-size: 15px;
      font-weight: 800;
      color: var(--gold);
      letter-spacing: 1px;
      border: 1px solid rgba(194,154,92,0.35);
      background: rgba(194,154,92,0.08);
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      font-family: "Arial Narrow", DIN, Arial, sans-serif;
    }
    .app-content h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--deep-navy);
      margin-bottom: 12px;
    }
    .app-content p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 18px;
    }
    .check-list { margin-bottom: 20px; }
    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--text-secondary);
      padding: 5px 0;
      position: relative;
    }
    .check-list li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--primary);
      font-size: 12px;
      margin-top: 5px;
      width: 16px;
    }
    .app-content .btn { margin-top: 4px; }
    .large-order-2 { order: 2; }

    /* ===== Industry ===== */
    .industry-section {
      background: var(--deep-navy);
    }
    .insight-list { max-width: 860px; }
    .insight-item {
      display: flex;
      gap: 28px;
      padding: 28px 20px;
      border-bottom: 1px solid rgba(255,255,255,0.10);
      transition: background var(--transition);
      border-radius: 12px;
    }
    .insight-item:hover { background: rgba(255,255,255,0.04); }
    .insight-num {
      font-size: 32px;
      font-weight: 800;
      font-family: "Arial Narrow", DIN, Arial, sans-serif;
      color: rgba(194,154,92,0.8);
      line-height: 1;
      min-width: 60px;
    }
    .insight-content h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .insight-content p {
      font-size: 14px;
      color: rgba(255,255,255,0.7);
      max-width: 560px;
      margin-bottom: 10px;
      line-height: 1.7;
    }
    .insight-tags { display: flex; gap: 8px; }
    .insight-tags .tag { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.8); border-color: rgba(255,255,255,0.15); }

    /* ===== Timeline / Brand ===== */
    .brand-section { background: var(--white); }
    .timeline {
      position: relative;
      padding-left: 40px;
      max-width: 760px;
    }
    .timeline::before {
      content: "";
      position: absolute;
      left: 14px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 36px;
    }
    .timeline-item:last-child { margin-bottom: 0; }
    .timeline-dot {
      position: absolute;
      left: -36px;
      top: 4px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--gold);
      border: 3px solid var(--white);
      box-shadow: 0 0 0 2px rgba(194,154,92,0.35);
    }
    .timeline-card {
      background: var(--page-bg);
      border: 1px solid var(--border);
      border-left: 3px solid var(--gold);
      border-radius: var(--radius-card);
      padding: 22px 26px;
      transition: box-shadow var(--transition), transform var(--transition);
    }
    .timeline-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
    .timeline-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--deep-navy);
      margin: 10px 0 6px;
    }
    .timeline-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* ===== Stats Bar ===== */
    .stats-bar {
      background: var(--deep-navy);
      border-top: 2px solid var(--gold);
      padding: 48px 0;
    }
    .stats-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 32px;
    }
    .stats-cell { text-align: center; flex: 1; min-width: 140px; }
    .stats-cell strong {
      font-size: 40px;
      font-weight: 800;
      color: var(--gold);
      font-family: "Arial Narrow", DIN, Arial, sans-serif;
      display: block;
      line-height: 1.2;
    }
    .stats-cell span {
      font-size: 14px;
      color: rgba(255,255,255,0.65);
    }

    /* ===== FAQ ===== */
    .faq-section { background: var(--page-bg); }
    .faq-accordion .accordion-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .faq-accordion .accordion-item:hover { border-color: var(--primary); box-shadow: var(--shadow-card); }
    .faq-accordion .accordion-item:last-child { margin-bottom: 0; }
    .faq-accordion .accordion-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      padding: 20px 28px 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
    }
    .faq-accordion .accordion-title::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: transparent;
      transition: background var(--transition);
    }
    .faq-accordion .accordion-title::after {
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 13px;
      color: var(--text-muted);
      transition: transform var(--transition), color var(--transition);
    }
    .faq-accordion .accordion-item.is-active .accordion-title { color: var(--deep-navy); }
    .faq-accordion .accordion-item.is-active .accordion-title::before { background: var(--gold); }
    .faq-accordion .accordion-item.is-active .accordion-title::after {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .faq-accordion .accordion-content {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.75;
    }
    .faq-accordion .accordion-content[data-tab-content] {
      padding: 0 24px 22px 24px;
      background: var(--white);
    }
    .faq-accordion .accordion-content p { padding: 0 0 4px; }

    /* ===== Inquiry ===== */
    .inquiry-section {
      background: var(--white);
    }
    .inquiry-copy h2 {
      font-size: 28px;
      font-weight: 800;
      color: var(--deep-navy);
      margin-bottom: 14px;
    }
    .inquiry-copy > p {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 24px;
      max-width: 460px;
    }
    .inquiry-copy .check-list { margin-bottom: 28px; }
    .inquiry-contact { display: flex; flex-wrap: wrap; gap: 14px; }
    .inquiry-form-card {
      background: var(--page-bg);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 36px;
      box-shadow: var(--shadow-card);
    }
    .inquiry-form label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .inquiry-form input,
    .inquiry-form select,
    .inquiry-form textarea {
      width: 100%;
      height: 44px;
      border: 1px solid #D7E2EA;
      border-radius: var(--radius-btn);
      padding: 0 14px;
      font-size: 14px;
      color: var(--text-main);
      background: var(--white);
      margin-top: 8px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .inquiry-form textarea { height: auto; padding: 12px 14px; resize: vertical; }
    .inquiry-form select {
      appearance: auto;
      background: var(--white);
    }
    .inquiry-form input:focus,
    .inquiry-form select:focus,
    .inquiry-form textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(29,111,184,0.10);
    }
    .inquiry-form .btn { margin-top: 4px; }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--deep-navy);
      padding: 72px 0 0;
      color: rgba(255,255,255,0.75);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand .brand-logo { margin-bottom: 16px; }
    .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 300px; }
    .footer-col h4 {
      color: var(--white);
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-col ul li {
      padding: 6px 0;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-col ul a { color: rgba(255,255,255,0.65); transition: color var(--transition); }
    .footer-col ul a:hover { color: var(--gold); }
    .footer-col .qr-box {
      width: 120px;
      height: 120px;
      background: rgba(255,255,255,0.08);
      border: 1px dashed rgba(255,255,255,0.25);
      border-radius: var(--radius-card);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 12px;
      color: rgba(255,255,255,0.5);
    }
    .footer-col .qr-box i { font-size: 28px; color: var(--gold); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.10);
      padding: 22px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255,255,255,0.55);
    }
    .footer-bottom p { margin: 0; }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
      :root { --spacing-section: 80px; }
      .page-hero { padding: 72px 0 56px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
      .nav-search { max-width: 260px; }
      .app-img { height: 300px; }
      .app-content { padding-left: 24px; }
    }

    @media screen and (max-width: 767px) {
      :root { --spacing-section: 56px; }
      .nav-top-inner { gap: 12px; }
      .brand-logo { font-size: 22px; }
      .brand-logo .brand-num { font-size: 24px; }
      .nav-search { max-width: 100%; }
      .nav-search input { width: 100%; }
      .nav-search { order: 3; width: 100%; max-width: 100%; margin-top: 4px; }
      .nav-top-inner { flex-wrap: wrap; padding: 10px 0; }
      .nav-cta { display: none; }
      .page-hero h1 { font-size: 30px; }
      .hero-lead { font-size: 16px; }
      .hero-stats { gap: 24px; }
      .stat-item strong { font-size: 24px; }
      .section-heading h2 { font-size: 24px; }
      .feature-card { min-height: 360px; }
      .app-img { height: 220px; }
      .app-content { padding: 24px 0 0; }
      .insight-item { flex-direction: column; gap: 12px; padding: 20px 12px; }
      .insight-num { font-size: 24px; min-width: 0; }
      .timeline { padding-left: 24px; }
      .timeline-dot { left: -26px; }
      .stats-grid { gap: 20px; }
      .stats-cell { min-width: 120px; }
      .stats-cell strong { font-size: 28px; }
      .inquiry-form-card { padding: 24px; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .site-footer { padding: 56px 0 0; }
      .channel-list { padding: 4px 0; }
      .channel-link { padding: 8px 14px; font-size: 14px; }
    }

    @media screen and (max-width: 575px) {
      .grid-container { padding-left: 16px; padding-right: 16px; }
      .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
      .hero-actions .btn { width: 100%; }
      .feature-card { border-radius: 16px; }
      .feature-meta .feature-title { font-size: 18px; }
      .app-row { flex-direction: column; }
      .large-order-2 { order: 0 !important; }
      .app-content { padding: 20px 0 0; }
      .inquiry-contact { flex-direction: column; align-items: stretch; }
      .button, .btn { width: 100%; }
    }

/* roulang page: category4 */
:root {
            --primary: #1D6FB8;
            --primary-hover: #155A94;
            --navy: #0E2A47;
            --gold: #C29A5C;
            --bg: #F5F8FB;
            --card-bg: #FFFFFF;
            --border: #E1EAF1;
            --text: #22303C;
            --text-secondary: #5E6E7E;
            --text-muted: #9AA9B5;
            --success: #2E8B57;
            --error: #C0392B;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 20px rgba(14, 42, 71, 0.08);
            --shadow-hover: 0 12px 32px rgba(14, 42, 71, 0.12);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1200px;
        }

        /* ── 双层导航 ── */
        .site-header {
            background: #fff;
            position: relative;
            z-index: 100;
        }

        .nav-top {
            height: 64px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .nav-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
        }

        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-num {
            color: var(--gold);
            font-size: 28px;
            font-weight: 800;
            margin-right: 2px;
            font-family: "Arial Narrow", Arial, sans-serif;
        }

        .brand-text {
            color: var(--navy);
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: #EFF4F9;
            border-radius: var(--radius-pill);
            padding: 0 6px 0 16px;
            width: 260px;
            height: 40px;
            border: 1px solid transparent;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 111, 184, 0.15);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: var(--text);
            outline: none;
            font-family: var(--font-family);
        }

        .nav-search button {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 14px;
            transition: color 0.2s ease, background 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-search button:hover {
            color: var(--primary);
            background: rgba(29, 111, 184, 0.08);
        }

        .nav-cta {
            white-space: nowrap;
            font-size: 14px;
            padding: 10px 22px;
        }

        .nav-channels {
            background: #FBFCFE;
            border-bottom: 1px solid var(--border);
            height: 48px;
            display: flex;
            align-items: center;
        }

        .channel-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-list::-webkit-scrollbar {
            display: none;
        }

        .channel-list li {
            margin: 0;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.2s ease;
        }

        .channel-link .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: transparent;
            transition: background 0.2s ease;
        }

        .channel-link:hover {
            background: #EAF2FA;
            color: var(--primary);
        }

        .channel-link.active {
            background: rgba(29, 111, 184, 0.10);
            color: var(--primary);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--gold);
        }

        .channel-link.active .dot {
            background: var(--gold);
        }

        /* ── 按钮 ── */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border: 1px solid transparent;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.2s ease;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 184, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(29, 111, 184, 0.3);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(29, 111, 184, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--navy);
            border-color: #C9D6E2;
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(14, 42, 71, 0.06);
        }

        .btn-gold {
            background: var(--gold);
            color: #fff;
            box-shadow: 0 4px 14px rgba(194, 154, 92, 0.3);
        }

        .btn-gold:hover {
            background: #A9844D;
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 8px 22px rgba(194, 154, 92, 0.35);
        }

        .btn-full {
            width: 100%;
        }

        /* ── Hero ── */
        .cat-hero {
            position: relative;
            padding: 88px 0 96px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 248, 251, 0.88) 60%, rgba(224, 235, 245, 0.72) 100%);
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(194, 154, 92, 0.12);
            color: var(--gold);
            border: 1px solid rgba(194, 154, 92, 0.25);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .cat-hero h1 {
            font-size: 44px;
            line-height: 1.3;
            color: var(--navy);
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .cat-hero .lead {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 32px;
        }

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

        /* ── 锚点导航 ── */
        .anchor-nav-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 10px rgba(14, 42, 71, 0.04);
        }

        .anchor-nav {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .anchor-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .anchor-link:hover {
            background: rgba(29, 111, 184, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

        .anchor-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ── 通用区块 ── */
        .section-block {
            padding: var(--space-section) 0;
        }

        .section-block.alt-bg {
            background: #fff;
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 640px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 32px;
            line-height: 1.35;
            color: var(--navy);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ── 时间线 ── */
        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding-left: 96px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 36px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--gold) 0%, var(--border) 100%);
            border-radius: 2px;
        }

        .timeline-row {
            position: relative;
            margin-bottom: 48px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -96px;
            top: 0;
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(194, 154, 92, 0.25);
            z-index: 1;
        }

        .timeline-num {
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            font-family: "Arial Narrow", Arial, sans-serif;
        }

        .timeline-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .timeline-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold);
            border-radius: 4px;
            opacity: 0.6;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(29, 111, 184, 0.25);
        }

        .timeline-year {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--gold);
            background: rgba(194, 154, 92, 0.1);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .timeline-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 10px;
        }

        .timeline-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ── 品牌理念 ── */
        .philosophy-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
            position: relative;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .philosophy-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(29, 111, 184, 0.25);
        }

        .philosophy-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--gold);
            border-radius: 4px;
            opacity: 0.8;
        }

        .philosophy-main {
            min-height: 380px;
            background-image: url('/assets/images/coverpic/cover-4.webp');
            background-size: cover;
            background-position: center;
            justify-content: flex-end;
            color: #fff;
            border: none;
            padding: 40px;
        }

        .philosophy-main::before {
            background: linear-gradient(to top, rgba(14, 42, 71, 0.75) 0%, rgba(14, 42, 71, 0.3) 100%);
            width: 100%;
            height: 100%;
            border-radius: var(--radius-card);
        }

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

        .philosophy-main h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .philosophy-main p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            max-width: 420px;
        }

        .philosophy-side {
            padding: 28px;
            margin-bottom: 24px;
        }

        .philosophy-side:last-child {
            margin-bottom: 0;
        }

        .philosophy-side .ph-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(29, 111, 184, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .philosophy-side h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--navy);
            margin-bottom: 8px;
        }

        .philosophy-side p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ── 数据条 ── */
        .stats-band {
            background: var(--navy);
            padding: 80px 0;
            position: relative;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gold);
        }

        .stats-band h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 8px;
        }

        .stats-band .stats-sub {
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
            font-size: 15px;
            margin-bottom: 40px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            transition: all 0.2s ease;
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(194, 154, 92, 0.5);
        }

        .stat-num {
            display: block;
            font-size: 40px;
            font-weight: 800;
            color: var(--gold);
            font-family: "Arial Narrow", Arial, sans-serif;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-bottom: 0;
        }

        /* ── FAQ ── */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion {
            list-style: none;
            margin: 0;
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
            position: relative;
        }

        .accordion-item.is-active {
            box-shadow: var(--shadow-hover);
            border-color: rgba(29, 111, 184, 0.3);
        }

        .accordion-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold);
            border-radius: 4px;
            opacity: 0;
            transition: opacity 0.2s ease;
            z-index: 2;
        }

        .accordion-item.is-active::before {
            opacity: 1;
        }

        .accordion-title {
            background: #fff !important;
            font-size: 16px;
            font-weight: 600;
            color: var(--text) !important;
            padding: 22px 28px 22px 40px;
            border-bottom: 1px solid transparent !important;
            position: relative;
            display: block;
            font-family: var(--font-family);
            transition: color 0.2s ease;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: #F7FAFD !important;
            color: var(--primary) !important;
        }

        .accordion-title::before {
            content: '+';
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            font-weight: 400;
            color: var(--gold);
            transition: transform 0.2s ease;
            line-height: 1;
        }

        .accordion-item.is-active .accordion-title::before {
            content: '−';
        }

        .accordion-content {
            background: #fff !important;
            border-top: 1px solid var(--border) !important;
            padding: 20px 40px 24px 40px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

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

        /* ── CTA ── */
        .cta-block {
            background: linear-gradient(135deg, var(--bg) 0%, #EAF2FA 100%);
            padding: 80px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-left {
            padding-right: 40px;
        }

        .cta-left h2 {
            font-size: 30px;
            color: var(--navy);
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .cta-left .cta-desc {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 28px;
        }

        .cta-features {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .cta-feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-size: 14px;
            color: var(--text);
            box-shadow: 0 2px 8px rgba(14, 42, 71, 0.04);
        }

        .cta-feature-tag i {
            color: var(--success);
            font-size: 13px;
        }

        .cta-links {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-related {
            margin-top: 24px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 14px;
        }

        .cta-related a {
            color: var(--text-secondary);
            border-bottom: 1px dashed #C9D6E2;
            padding-bottom: 2px;
            transition: color 0.2s ease;
        }

        .cta-related a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .inquiry-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-hover);
            padding: 40px;
            border: 1px solid var(--border);
        }

        .inquiry-card h3 {
            font-size: 20px;
            color: var(--navy);
            font-weight: 600;
            margin-bottom: 24px;
            text-align: center;
        }

        .form-row {
            margin-bottom: 16px;
            position: relative;
        }

        .form-row .form-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            z-index: 1;
        }

        .form-row input,
        .form-row select,
        .form-row textarea {
            width: 100%;
            height: 48px;
            padding: 0 16px 0 40px;
            border: 1px solid #D7E2EA;
            border-radius: var(--radius-btn);
            font-family: var(--font-family);
            font-size: 14px;
            color: var(--text);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            appearance: none;
            -webkit-appearance: none;
        }

        .form-row input:focus,
        .form-row select:focus,
        .form-row textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 111, 184, 0.15);
            outline: none;
        }

        .form-row input::placeholder,
        .form-row textarea::placeholder {
            color: var(--text-muted);
        }

        .form-row select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235E6E7E' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L0 4h16z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 36px;
            cursor: pointer;
        }

        .form-success {
            text-align: center;
            padding: 40px 20px;
            color: var(--success);
        }

        .form-success i {
            font-size: 48px;
            margin-bottom: 16px;
            display: block;
        }

        .form-success p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ── 页脚 ── */
        .site-footer {
            background: var(--navy);
            padding: 64px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-col ul li i {
            width: 20px;
            margin-right: 6px;
            color: var(--gold);
            font-size: 13px;
        }

        .qr-box {
            width: 140px;
            height: 140px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px dashed rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            gap: 10px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .qr-box i {
            font-size: 32px;
            color: var(--gold);
        }

        .qr-box:hover {
            border-color: var(--gold);
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }

        /* ── 响应式 ── */
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .brand-logo {
                font-size: 20px;
            }

            .nav-search {
                width: 200px;
            }
        }

        @media (max-width: 639px) {
            .section-block {
                padding: var(--space-section-mobile) 0;
            }

            .cat-hero {
                padding: 64px 0 72px;
            }

            .cat-hero h1 {
                font-size: 32px;
            }

            .cat-hero .lead {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .nav-top {
                height: auto;
                padding: 10px 0;
                flex-direction: row;
            }

            .nav-top-inner {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 0;
            }

            .brand-logo {
                font-size: 18px;
            }

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

            .nav-search {
                order: 3;
                width: 100%;
                max-width: none;
            }

            .nav-cta {
                display: none;
            }

            .channel-list {
                overflow-x: auto;
            }

            .channel-link {
                padding: 6px 14px;
                font-size: 13px;
            }

            .anchor-nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: none;
                -ms-overflow-style: none;
                padding-bottom: 4px;
            }

            .anchor-nav::-webkit-scrollbar {
                display: none;
            }

            .anchor-link {
                white-space: nowrap;
                padding: 6px 14px;
                font-size: 13px;
            }

            .timeline {
                padding-left: 56px;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-dot {
                left: -56px;
                width: 48px;
                height: 48px;
            }

            .timeline-num {
                font-size: 14px;
            }

            .timeline-card {
                padding: 20px;
            }

            .timeline-card h3 {
                font-size: 18px;
            }

            .timeline-card p {
                font-size: 14px;
            }

            .philosophy-main {
                min-height: 280px;
                padding: 24px;
            }

            .philosophy-side {
                padding: 20px;
            }

            .stats-band {
                padding: 56px 0;
            }

            .stat-num {
                font-size: 32px;
            }

            .accordion-title {
                padding: 16px 20px 16px 36px;
                font-size: 14px;
            }

            .accordion-content {
                padding: 16px 20px 20px 36px;
                font-size: 14px;
            }

            .cta-block {
                padding: 64px 0;
            }

            .cta-left {
                padding-right: 0;
            }

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

            .inquiry-card {
                padding: 24px;
                margin-top: 32px;
            }

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

            .footer-brand p {
                max-width: none;
            }
        }

        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 28px;
            }

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

            .channel-link {
                padding: 6px 10px;
                font-size: 12px;
            }

            .nav-top-inner {
                padding: 10px 0;
            }

            .brand-logo {
                font-size: 17px;
            }

            .brand-num {
                font-size: 22px;
            }
        }