/* roulang page: index */
:root {
  --primary: #1E6B4F;
  --primary-dark: #153D2D;
  --accent: #F2B825;
  --accent-hover: #FFC94D;
  --accent-active: #E5AA17;
  --dark: #16281F;
  --bg-light: #F6F5F1;
  --card-bg: #FFFFFF;
  --text: #262B28;
  --text-secondary: #5D6D65;
  --text-muted: #93A39A;
  --border: #E3E7E2;
  --accent-red: #FF5A45;
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(22,40,31,0.08);
  --shadow-hover: 0 12px 32px rgba(22,40,31,0.16);
  --transition: all 0.3s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg-light);
  -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-dark); }
ul, ol { margin: 0; padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部信息条 ===== */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  height: 40px;
  display: flex;
  align-items: center;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-left .domain { color: #ffffff; font-weight: 600; }
.topbar-left .divider { width: 1px; height: 14px; background: rgba(255,255,255,0.25); }
.topbar-right { display: flex; gap: 22px; }
.topbar-right a { color: rgba(255,255,255,0.7); font-size: 12px; }
.topbar-right a:hover { color: #ffffff; }

/* ===== 主导航 ===== */
.main-nav {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(22,40,31,0.05);
}
.main-nav .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { flex-shrink: 0; }
.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.nav-menu { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 10px 18px;
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
  border-radius: 6px;
  position: relative;
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
  opacity: 0;
  transform: translateY(4px);
  transition: var(--transition);
}
.nav-menu > li > a:hover { color: var(--primary); background: rgba(30,107,79,0.04); }
.nav-menu > li > a:hover::after { opacity: 0; }
.nav-menu > li.active > a { color: var(--primary); font-weight: 700; }
.nav-menu > li.active > a::after { opacity: 1; transform: translateY(0); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.btn-outline-green {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-btn);
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  background: transparent;
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline-green:hover {
  background: rgba(30,107,79,0.08);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.nav-toggle { display: none; background: none; border: none; padding: 10px; cursor: pointer; color: var(--primary); }
.nav-toggle i { font-size: 26px; }
.mobile-menu {
  display: none;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 8px 0 16px;
}
.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  font-size: 16px;
  color: var(--text);
  border-bottom: 1px solid #f0f2ef;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--primary); font-weight: 700; }
.mobile-menu .btn-outline-green { margin: 16px 24px 0; justify-content: center; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(140deg, var(--primary) 0%, var(--primary-dark) 70%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
  padding: 88px 0;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 60px);
  clip-path: polygon(0 0, 85% 0, 70% 100%, 0 100%);
  opacity: 0.7;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(242,184,37,0.18) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.hero h1 {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 20px;
  letter-spacing: 0.5px;
}
.hero-sub {
  font-size: 17px;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  background: var(--accent);
  color: var(--dark);
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(242,184,37,0.35); color: var(--dark); }
.btn-accent:active { background: var(--accent-active); transform: translateY(0); }
.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
.hero-trust { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-trust .trust-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.8); }
.hero-trust .trust-item i { color: var(--accent); font-size: 16px; }
.hero-visual { position: relative; }
.hero-imgwrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  position: relative;
}
.hero-imgwrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(22,40,31,0.25));
}
.hero-imgwrap img { width: 100%; height: 400px; object-fit: cover; }
.hero-floatcard {
  position: absolute;
  bottom: -18px;
  right: -12px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: var(--shadow-hover);
  border: 1px solid rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
}
.hero-floatcard .fc-icon { width: 42px; height: 42px; border-radius: 10px; background: rgba(30,107,79,0.12); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; }
.hero-floatcard .fc-title { font-size: 13px; color: var(--text-secondary); line-height: 1.4; }
.hero-floatcard .fc-detail { font-size: 14px; font-weight: 800; color: var(--text); line-height: 1.4; }

/* ===== 数据条 ===== */
.stats-bar {
  padding: 0 0 64px;
  margin-top: -42px;
  position: relative;
  z-index: 5;
}
.stats-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
}
.stat-item { flex: 1; text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--border);
}
.stat-num { font-size: 36px; font-weight: 900; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }

/* ===== 板块通用 ===== */
.section-section { padding: 88px 0; border-top: 1px solid var(--border); }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; }
.section-title { font-size: 30px; font-weight: 800; color: var(--text); line-height: 1.3; margin: 0; }
.section-title .underline { color: var(--primary); }
.section-subtitle { font-size: 15px; color: var(--text-secondary); margin-top: 8px; }
.section-more { font-size: 15px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.section-more:hover { gap: 10px; }
.section-more i { font-size: 13px; }

/* ===== 服务网格 ===== */
.services-section { background: var(--card-bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(30,107,79,0.25); }
.service-card-img { position: relative; overflow: hidden; height: 190px; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .service-card-img img { transform: scale(1.04); }
.service-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 70%, rgba(22,40,31,0.15)); }
.service-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 14px;
  background: var(--accent);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.service-badge.green { background: var(--primary); color: #fff; }
.service-card-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.service-card-body h3 { font-size: 20px; font-weight: 700; margin: 0 0 10px; }
.service-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 0 0 16px; flex: 1; }
.service-card-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border); }
.service-price { font-size: 16px; font-weight: 800; color: var(--primary); }
.service-price span { font-size: 13px; font-weight: 400; color: var(--text-muted); margin-left: 4px; }
.service-link { font-size: 14px; color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.service-link:hover { gap: 8px; }
.service-link i { font-size: 12px; }

/* 大卡 */
.service-card--wide {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 80%);
  border: none;
  color: #fff;
  padding: 32px 36px;
  min-height: 100%;
}
.service-card--wide:hover { border-color: transparent; box-shadow: var(--shadow-hover); }
.service-card--wide h3 { font-size: 26px; font-weight: 800; color: #fff; margin: 0 0 12px; }
.service-card--wide p { color: rgba(255,255,255,0.8); font-size: 15px; line-height: 1.8; margin-bottom: 26px; }
.custom-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.custom-form input {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-btn);
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
  min-width: 140px;
}
.custom-form input::placeholder { color: rgba(255,255,255,0.6); }
.custom-form input:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.2); }
.custom-form .btn-submit {
  padding: 12px 28px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-btn);
  color: var(--dark);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.custom-form .btn-submit:hover { background: var(--accent-hover); transform: translateY(-2px); }
.custom-form label { color: rgba(255,255,255,0.7); font-size: 13px; display: block; margin-bottom: 6px; }

/* 无图卡片 */
.service-card--placeholder {
  background: linear-gradient(145deg, #F6F5F1 0%, #edf1ec 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.service-card--placeholder .placeholder-inner { text-align: center; padding: 32px; }
.service-card--placeholder .ph-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: rgba(30,107,79,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
  font-size: 30px;
}
.service-card--placeholder h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
.service-card--placeholder p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0 0 16px; }
.service-card--placeholder .btn-outline-green { padding: 8px 22px; font-size: 14px; }

/* ===== 评价轮播 ===== */
.testimonial-section { background: var(--bg-light); position: relative; }
.testimonial-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, rgba(30,107,79,0.08) 0 2px, transparent 2px 40px);
}
.testimonial-card { max-width: 720px; margin: 0 auto; text-align: center; padding: 48px 24px; }
.testimonial-stars { color: var(--accent); font-size: 22px; margin-bottom: 20px; letter-spacing: 4px; }
.testimonial-text { font-size: 17px; line-height: 2; color: var(--text); margin-bottom: 24px; }
.testimonial-author { font-weight: 700; font-size: 16px; color: var(--text); margin-bottom: 4px; }
.testimonial-role { font-size: 14px; color: var(--text-secondary); }
.testimonial-tag { display: inline-block; margin-top: 12px; padding: 4px 16px; background: rgba(30,107,79,0.08); color: var(--primary); border-radius: var(--radius-pill); font-size: 13px; font-weight: 600; }
.orbit-controls button { background: rgba(30,107,79,0.1); border-radius: 50%; width: 44px; height: 44px; color: var(--primary); }
.orbit-controls button:hover { background: rgba(30,107,79,0.2); color: var(--primary-dark); }
.orbit-bullets button { background: var(--border); width: 8px; height: 8px; }
.orbit-bullets button.is-active { background: var(--primary); }

/* ===== 保障条 ===== */
.guarantee-section {
  background: var(--dark);
  color: #fff;
  padding: 64px 0;
}
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.guarantee-item { text-align: center; padding: 20px 16px; }
.guarantee-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(242,184,37,0.15);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: var(--accent);
  font-size: 24px;
}
.guarantee-item h4 { font-size: 17px; font-weight: 700; margin: 0 0 6px; color: #fff; }
.guarantee-item p { font-size: 13px; color: rgba(255,255,255,0.6); margin: 0; line-height: 1.6; }

/* ===== 资讯区 ===== */
.news-section { background: var(--card-bg); }
.news-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; align-items: start; }
.news-feature {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.news-feature:hover { box-shadow: var(--shadow-hover); }
.news-feature-img { position: relative; height: 220px; overflow: hidden; }
.news-feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-feature:hover .news-feature-img img { transform: scale(1.04); }
.news-feature-tag { position: absolute; top: 16px; left: 16px; background: var(--accent); color: var(--dark); font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: var(--radius-pill); z-index: 2; }
.news-feature-body { padding: 24px; }
.news-feature-body h3 { font-size: 22px; font-weight: 800; margin: 0 0 12px; line-height: 1.4; }
.news-feature-body h3 a { color: var(--text); }
.news-feature-body h3 a:hover { color: var(--primary); }
.news-feature-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }
.news-list { display: flex; flex-direction: column; }
.news-list-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #eef0ed;
  transition: background 0.2s;
}
.news-list-item:first-child { padding-top: 0; }
.news-list-item:last-child { border-bottom: none; padding-bottom: 0; }
.news-list-thumb { width: 80px; height: 60px; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.news-list-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-list-body { flex: 1; min-width: 0; }
.news-list-title { font-size: 16px; font-weight: 600; margin: 0 0 6px; line-height: 1.4; }
.news-list-title a { color: var(--text); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-title a:hover { color: var(--primary); }
.news-list-excerpt { font-size: 13px; color: var(--text-muted); margin: 0 0 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
.news-list-meta .tag { background: rgba(30,107,79,0.08); color: var(--primary); padding: 2px 10px; border-radius: var(--radius-pill); font-size: 12px; }
.news-list-meta .date { margin-right: 4px; }
.news-readmore { font-size: 13px; font-weight: 600; color: var(--primary); white-space: nowrap; }
.news-readmore:hover { color: var(--primary-dark); }
.news-empty {
  border: 2px dashed var(--border);
  border-radius: var(--radius-card);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  color: var(--text-muted);
  grid-column: 1 / -1;
}
.news-empty i { font-size: 42px; margin-bottom: 16px; color: rgba(147,163,154,0.6); }
.news-empty p { font-size: 15px; }

/* ===== CTA ===== */
.cta-band {
  background: var(--accent);
  position: relative;
  overflow: hidden;
  padding: 72px 0;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60%; height: 100%;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 2px, transparent 2px, transparent 24px);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
}
.cta-band .container { position: relative; z-index: 2; text-align: center; }
.cta-title { font-size: 32px; font-weight: 900; color: var(--dark); margin: 0 0 12px; }
.cta-sub { font-size: 16px; color: rgba(22,40,31,0.8); margin: 0 0 32px; }
.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-dark:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(21,61,45,0.35); }
.cta-hotline { font-size: 14px; color: rgba(22,40,31,0.6); margin-top: 20px; }

/* ===== FAQ ===== */
.faq-section { background: var(--card-bg); }
.faq-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  max-width: 860px;
  margin: 0 auto;
}
.accordion .accordion-item { background: var(--card-bg); border: none; border-bottom: 1px solid var(--border); }
.accordion .accordion-item:last-child { border-bottom: none; }
.accordion-title {
  padding: 22px 28px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  position: relative;
  background: transparent;
  transition: var(--transition);
}
.accordion-title:hover { color: var(--primary); background: rgba(30,107,79,0.03); }
.accordion-title::before { content: '+'; position: absolute; right: 28px; font-size: 22px; font-weight: 400; color: var(--primary); transition: transform 0.3s; }
.accordion-item.is-active > .accordion-title { color: var(--primary); }
.accordion-item.is-active > .accordion-title::before { content: '−'; }
.accordion-content { padding: 0 28px 24px; color: var(--text-secondary); font-size: 15px; line-height: 1.8; }
.faq-foot { text-align: center; margin-top: 28px; font-size: 15px; color: var(--text-secondary); }
.faq-foot a { font-weight: 700; }

/* ===== 页脚 ===== */
.footer { background: var(--dark); color: rgba(255,255,255,0.85); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand .brand-text { color: #fff; font-size: 22px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin: 0; }
.footer h5 { font-size: 16px; font-weight: 700; color: #fff; margin: 0 0 20px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: var(--accent); }
.footer-contact { list-style: none; }
.footer-contact li { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { width: 20px; text-align: center; color: var(--accent); }
.footer-qr { width: 96px; height: 96px; background: rgba(255,255,255,0.08); border-radius: 12px; border: 1px dashed rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 12px; color: rgba(255,255,255,0.5); text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.5); margin: 0; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .hero { padding: 72px 0; }
  .hero .cell:first-child { margin-bottom: 48px; }
  .hero-imgwrap img { height: 320px; }
  .section-section { padding: 64px 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--wide { grid-column: span 2; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .nav-menu { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .stats-bar { margin-top: 24px; }
  .stats-card { flex-wrap: wrap; }
  .stat-item { flex: 1 1 50%; padding: 16px; }
  .stat-item + .stat-item::before { display: none; }
  .stat-item:nth-child(3) { border-top: 1px solid var(--border); }
  .stat-item:nth-child(4) { border-top: 1px solid var(--border); }
}

@media (max-width: 639px) {
  .hero { padding: 56px 0; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .section-section { padding: 56px 0; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: span 1; }
  .custom-form input { min-width: 100%; }
  .guarantee-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .cta-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .topbar-right a:nth-child(1), .topbar-right a:nth-child(2) { display: none; }
  .topbar-right { gap: 10px; }
  .hero-btns .btn-accent, .hero-btns .btn-outline-white { width: 100%; justify-content: center; }
  .hero-trust { gap: 20px; }
  .hero-floatcard { right: 8px; bottom: -16px; }
  .news-list-thumb { width: 64px; height: 48px; }
  .stat-num { font-size: 28px; }
  .accordion-title { font-size: 16px; padding: 18px 20px; }
  .accordion-content { padding: 0 20px 18px; }
}

/* ===== 可访问性 ===== */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(30,107,79,0.4);
  outline-offset: 2px;
}

/* ===== Foundation 覆盖 ===== */
.button { border-radius: var(--radius-btn); font-family: var(--font-family); }
.orbit { outline: none; }
.orbit-container { background: transparent; }
.orbit-caption { background: transparent; }
.accordion { background: transparent; margin: 0; max-width: 100%; }

/* ===== 草坪纹理 ===== */
.lawn-texture {
  background-image: repeating-linear-gradient(0deg, rgba(30,107,79,0.03) 0 2px, transparent 2px 40px);
}

/* roulang page: article */
:root {
  --primary: #1E6B4F;
  --primary-dark: #153D2D;
  --accent: #F2B825;
  --accent-hover: #FFC94D;
  --accent-active: #E5AA17;
  --dark: #16281F;
  --light-bg: #F6F5F1;
  --card-bg: #FFFFFF;
  --text: #262B28;
  --text-secondary: #5D6D65;
  --text-muted: #93A39A;
  --border: #E3E7E2;
  --danger: #FF5A45;
  --radius: 14px;
  --radius-btn: 8px;
  --shadow: 0 2px 8px rgba(22, 40, 31, 0.08);
  --shadow-hover: 0 12px 32px rgba(22, 40, 31, 0.16);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, 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: 1.8;
  color: var(--text);
  background: var(--light-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部信息条 ===== */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  padding: 10px 0;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar-left { display: flex; gap: 16px; align-items: center; }
.topbar-left .domain-badge { color: var(--accent); font-weight: 700; letter-spacing: 0.5px; }
.topbar-left .domain-note { color: rgba(255,255,255,0.7); }
.topbar-right { display: flex; gap: 20px; }
.topbar-right a { color: rgba(255,255,255,0.7); font-size: 13px; transition: color .2s; }
.topbar-right a:hover { color: #fff; }
@media (max-width: 639px) {
  .topbar-left .domain-note { display: none; }
  .topbar-right a:not(:last-child) { display: none; }
}

/* ===== 主导航 ===== */
.main-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { flex-shrink: 0; }
.brand-text { font-size: 24px; font-weight: 800; color: var(--primary); letter-spacing: 1px; white-space: nowrap; }
.nav-menu { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-menu a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  padding: 26px 0 22px;
  position: relative;
  transition: color .2s;
}
.nav-menu a:hover { color: var(--primary); }
.nav-menu a.active { color: var(--primary); font-weight: 600; }
.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
}
.nav-cta { display: flex; align-items: center; gap: 16px; }
.btn-outline-green {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-btn);
  color: var(--primary) !important;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  transition: all .25s ease;
  cursor: pointer;
  min-height: 44px;
}
.btn-outline-green:hover { background: rgba(30,107,79,0.08); transform: translateY(-2px); }
.btn-outline-green:active { transform: translateY(0); }
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--text);
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
}
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 12px 24px 24px;
  position: absolute;
  top: 76px;
  left: 0;
  width: 100%;
  z-index: 998;
  box-shadow: 0 20px 40px rgba(22,40,31,0.12);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 17px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.mobile-menu a.active { color: var(--primary); font-weight: 700; }
.mobile-menu .btn-outline-green { margin-top: 18px; width: 100%; }
@media (max-width: 1023px) {
  .nav-menu { display: none; }
  .nav-cta .btn-outline-green { display: none; }
  .hamburger { display: inline-flex; align-items: center; justify-content: center; }
}

/* ===== 文章页主体 ===== */
.article-page-main { padding: 56px 0 88px; }
.breadcrumb-row { margin-bottom: 28px; }
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
}
.breadcrumb li + li::before { content: '→'; margin: 0 6px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--text-muted); }

.article-category-row { margin-bottom: 20px; display: flex; align-items: center; gap: 12px; }
.category-badge {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  letter-spacing: 0.3px;
}
.category-name { font-size: 15px; color: var(--text-secondary); font-weight: 500; }
.category-name a { color: var(--primary); }

.article-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto 44px;
}
.article-header { margin-bottom: 32px; border-bottom: 1px solid var(--border); padding-bottom: 24px; }
.article-header h1 {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}
.article-meta i { color: var(--primary); margin-right: 6px; }

.article-body { font-size: 16px; line-height: 2; color: var(--text); }
.article-body h2, .article-body h3 {
  font-weight: 800;
  line-height: 1.4;
  margin-top: 36px;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  border-radius: 2px;
}
.article-body h2 { font-size: 26px; }
.article-body h3 { font-size: 21px; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; padding: 0; }
.article-body ul li { margin-bottom: 8px; list-style: none; position: relative; }
.article-body ul li::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 13px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}
.article-body ol li { margin-bottom: 8px; }
.article-body blockquote {
  background: rgba(30,107,79,0.06);
  border-left: 4px solid var(--primary);
  padding: 18px 24px;
  margin: 24px 0;
  font-size: 15px;
  color: var(--text-secondary);
  border-radius: 0 8px 8px 0;
}
.article-body img { border-radius: 12px; margin: 16px 0 8px; }
.article-body figure { margin: 24px 0; text-align: center; }
.article-body figcaption { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-body table thead th {
  background: var(--primary);
  color: #fff;
  padding: 12px 14px;
  font-weight: 700;
  text-align: left;
}
.article-body table tbody td {
  border: 1px solid var(--border);
  padding: 10px 14px;
}
.article-body table tbody tr:nth-child(even) { background: var(--light-bg); }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body strong { font-weight: 700; }

.article-tags { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; }
.article-tags .tag-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(30,107,79,0.08);
  color: var(--primary);
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 500;
  transition: all .2s;
}
.article-tags .tag-pill:hover { background: var(--primary); color: #fff; }

/* 文章未找到 */
.not-found-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  box-shadow: var(--shadow);
  padding: 80px 40px;
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}
.not-found-card .icon-circle {
  width: 72px;
  height: 72px;
  background: rgba(30,107,79,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 30px;
  color: var(--primary);
}
.not-found-card h2 { font-size: 26px; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.not-found-card p { color: var(--text-secondary); margin-bottom: 24px; }

/* ===== 相关推荐 ===== */
.related-section { max-width: 860px; margin: 0 auto 48px; }
.related-title { font-size: 24px; font-weight: 800; margin-bottom: 24px; position: relative; padding-left: 16px; }
.related-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 5px;
  height: 23px;
  background: var(--primary);
  border-radius: 4px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
  display: block;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card img { width: 100%; height: 160px; object-fit: cover; }
.related-card-content { padding: 16px 18px 20px; }
.related-card h4 { font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--text); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card:hover h4 { color: var(--primary); }
.related-card .related-date { font-size: 13px; color: var(--text-muted); }

.back-row { text-align: center; }
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-btn);
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  transition: all .25s ease;
  min-height: 44px;
}
.btn-back:hover { background: rgba(30,107,79,0.08); transform: translateY(-2px); color: var(--primary); }

/* ===== FAQ（静态补充区） ===== */
.faq-section { max-width: 860px; margin: 56px auto 0; }
.faq-section .section-head { text-align: center; margin-bottom: 36px; }
.faq-section .section-head h2 { font-size: 30px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.faq-section .section-head p { color: var(--text-secondary); font-size: 16px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.faq-item h3 i { color: var(--primary); font-size: 16px; }
.faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ===== CTA 条 ===== */
.article-cta { margin-top: 64px; background: var(--dark); border-radius: var(--radius); padding: 44px 40px; position: relative; overflow: hidden; text-align: center; }
.article-cta::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(135deg, transparent 0, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 40px);
  pointer-events: none;
}
.article-cta h2 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.article-cta p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 24px; }
.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--dark) !important;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 36px;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: all .25s;
  min-height: 48px;
}
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(242,184,37,0.3); }
.btn-accent:active { background: var(--accent-active); transform: translateY(0); }

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  padding: 72px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.9; margin-top: 18px; }
.footer h5 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact { list-style: none; }
.footer-contact li { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 12px; }
.footer-contact i { color: var(--accent); width: 22px; margin-right: 4px; }
.footer-qr {
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 16px;
  border: 1px dashed rgba(255,255,255,0.2);
  text-align: center;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-header h1 { font-size: 30px; }
}
@media (max-width: 639px) {
  .container { padding: 0 16px; }
  .article-page-main { padding: 40px 0 64px; }
  .article-card { padding: 24px 20px; }
  .article-header h1 { font-size: 26px; }
  .related-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .article-cta { padding: 36px 24px; }
  .article-cta h2 { font-size: 24px; }
  .breadcrumb-row { margin-bottom: 18px; }
}

/* ===== Foundation 覆盖 ===== */
button:focus, a:focus { outline: 2px solid var(--primary); outline-offset: 2px; }
.article-body a:focus-visible, .related-card:focus-visible { outline: 2px solid var(--primary); }

@media print {
  .topbar, .main-nav, .footer, .related-section, .back-row, .article-cta, .faq-section { display: none !important; }
  .article-card { box-shadow: none; border: none; }
}

/* roulang page: category1 */
:root {
      --primary: #1E6B4F;
      --primary-dark: #153D2D;
      --accent: #F2B825;
      --accent-hover: #FFC94D;
      --dark: #16281F;
      --dark-2: #0F1E17;
      --bg: #F6F5F1;
      --card: #FFFFFF;
      --text: #262B28;
      --text-2: #5D6D65;
      --text-3: #93A39A;
      --border: #E3E7E2;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 2px 8px rgba(22,40,31,0.08);
      --shadow-lg: 0 12px 32px rgba(22,40,31,0.16);
      --transition: 0.3s ease;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color var(--transition); }
    ul, ol { list-style: none; }

    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* 顶部信息条 */
    .topbar {
      background: var(--dark);
      color: rgba(255,255,255,0.7);
      font-size: 13px;
      padding: 10px 0;
      line-height: 20px;
    }
    .topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
    .topbar a { color: rgba(255,255,255,0.7); margin-left: 14px; }
    .topbar a:hover { color: #fff; }
    .topbar .sep { margin: 0 8px; opacity: 0.4; }
    .topbar-right { display: flex; align-items: center; }
    @media (max-width: 639px) {
      .topbar .hide-m, .topbar .sep { display: none; }
    }

    /* 主导航 */
    .nav-main {
      background: #fff;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 8px rgba(22,40,31,0.04);
    }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
    .brand { display: flex; align-items: center; gap: 10px; }
    .brand svg { width: 40px; height: 40px; }
    .brand-text { font-size: 24px; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; }
    .nav-menu { display: flex; align-items: center; gap: 32px; }
    .nav-menu a {
      font-size: 16px;
      font-weight: 500;
      color: var(--text);
      position: relative;
      padding: 6px 2px;
      transition: color var(--transition);
    }
    .nav-menu a:hover { color: var(--primary); }
    .nav-menu a.active { color: var(--primary); font-weight: 700; }
    .nav-menu a.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--primary);
      border-radius: 4px;
    }
    .nav-cta {
      display: inline-block;
      padding: 10px 24px;
      border: 2px solid var(--primary);
      border-radius: var(--radius-sm);
      color: var(--primary);
      font-size: 15px;
      font-weight: 600;
      transition: all var(--transition);
      background: transparent;
      line-height: 20px;
    }
    .nav-cta:hover { background: rgba(30,107,79,0.08); transform: translateY(-1px); }
    .nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--text); cursor: pointer; padding: 6px; }
    .mobile-menu {
      display: none;
      background: #fff;
      border-top: 1px solid var(--border);
      padding: 12px 0;
    }
    .mobile-menu.open { display: block; }
    .mobile-menu a {
      display: block;
      padding: 14px 24px;
      font-size: 16px;
      color: var(--text);
      border-bottom: 1px solid var(--border);
    }
    .mobile-menu a:hover, .mobile-menu a.active { color: var(--primary); background: #f9fdfb; }
    .mobile-menu a:last-child { border-bottom: none; }
    @media (max-width: 1023px) {
      .nav-menu, .nav-cta { display: none; }
      .nav-toggle { display: block; }
    }

    /* 分类横幅 */
    .category-hero {
      background: linear-gradient(140deg, #1E6B4F 0%, #153D2D 70%);
      padding: 88px 0 72px;
      position: relative;
      overflow: hidden;
      color: #fff;
    }
    .category-hero::before {
      content: '';
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      border: 40px solid rgba(255,255,255,0.06);
      pointer-events: none;
    }
    .category-hero::after {
      content: '';
      position: absolute;
      right: 100px;
      bottom: 60px;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      border: 20px solid rgba(255,255,255,0.05);
      pointer-events: none;
    }
    .category-hero .container { position: relative; z-index: 2; }
    .cat-tag {
      font-size: 13px;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cat-tag::before {
      content: '';
      width: 24px;
      height: 2px;
      background: var(--accent);
      display: inline-block;
      vertical-align: middle;
    }
    .category-hero h1 {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.2;
      color: #fff;
      margin-bottom: 16px;
    }
    .category-hero .breadcrumb {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: rgba(255,255,255,0.6);
    }
    .category-hero .breadcrumb a { color: rgba(255,255,255,0.7); }
    .category-hero .breadcrumb a:hover { color: var(--accent); }
    .category-hero .breadcrumb span { opacity: 0.5; }
    @media (max-width: 639px) {
      .category-hero { padding: 56px 0 48px; }
      .category-hero h1 { font-size: 30px; }
    }

    /* 横幅下方操作区 */
    .hero-actions {
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 24px 0;
    }
    .hero-actions .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
    .hero-actions .action-desc { font-size: 15px; color: var(--text-2); font-weight: 500; }
    .hero-actions .action-desc strong { color: var(--primary); font-size: 18px; }
    .hero-actions .btn-group { display: flex; gap: 12px; flex-wrap: wrap; }
    @media (max-width: 639px) {
      .hero-actions .container { flex-direction: column; align-items: flex-start; }
    }

    /* 按钮系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 600;
      line-height: 20px;
      border: none;
      cursor: pointer;
      transition: all var(--transition);
    }
    .btn-primary {
      background: var(--accent);
      color: var(--dark);
    }
    .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(242,184,37,0.3); }
    .btn-primary:active { background: #E5AA17; transform: translateY(0); }
    .btn-secondary {
      background: transparent;
      color: var(--primary);
      border: 2px solid var(--primary);
    }
    .btn-secondary:hover { background: rgba(30,107,79,0.08); transform: translateY(-1px); }
    .btn-white-outline {
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255,255,255,0.7);
    }
    .btn-white-outline:hover { background: rgba(255,255,255,0.15); color: #fff; }
    .btn-dark {
      background: var(--dark);
      color: #fff;
    }
    .btn-dark:hover { background: #22382c; transform: translateY(-1px); }

    /* 通用区块 */
    .section { padding: 88px 0; }
    .section-alt { background: var(--bg); border-top: 1px solid var(--border); }
    .section-white { background: #fff; border-top: 1px solid var(--border); }
    .section-head { margin-bottom: 48px; }
    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.25;
      position: relative;
      padding-left: 16px;
      margin-bottom: 8px;
    }
    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 5px;
      border-radius: 4px;
      background: var(--primary);
    }
    .section-head p { color: var(--text-2); font-size: 16px; max-width: 640px; }
    @media (max-width: 639px) {
      .section { padding: 56px 0; }
      .section-head h2 { font-size: 26px; }
    }

    /* 图文交错区 */
    .feature-row {
      display: flex;
      align-items: center;
      gap: 56px;
      padding: 28px 0 56px;
    }
    .feature-row .feature-img {
      flex: 0 0 48%;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }
    .feature-row .feature-img img {
      width: 100%;
      height: 340px;
      object-fit: cover;
      border-radius: var(--radius);
      transition: transform var(--transition);
    }
    .feature-row .feature-img:hover img { transform: scale(1.03); }
    .feature-row .feature-content { flex: 1; }
    .feature-row .feature-content h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 20px;
      line-height: 1.35;
      position: relative;
      padding-left: 14px;
    }
    .feature-row .feature-content h3::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      border-radius: 4px;
      background: var(--primary);
    }
    .feature-row .feature-content p { font-size: 16px; line-height: 2; color: var(--text-2); margin-bottom: 20px; }
    .feature-list { margin-bottom: 24px; }
    .feature-list li {
      font-size: 15px;
      color: var(--text);
      padding-left: 26px;
      position: relative;
      margin-bottom: 12px;
      line-height: 1.7;
    }
    .feature-list li::before {
      content: '';
      position: absolute;
      left: 4px;
      top: 10px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }
    .feature-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 600;
      font-size: 15px;
      border-bottom: 2px solid transparent;
      transition: all var(--transition);
    }
    .feature-link:hover { border-color: var(--primary); }
    @media (max-width: 1023px) {
      .feature-row { flex-direction: column; gap: 32px; padding: 20px 0 40px; }
      .feature-row .feature-img { flex: none; width: 100%; }
      .feature-row .feature-img img { height: 260px; }
      .feature-row.swap { flex-direction: column; }
    }
    @media (max-width: 639px) {
      .feature-row .feature-content h3 { font-size: 22px; }
      .feature-row .feature-img img { height: 220px; }
    }
    /* 交替反向 */
    .feature-row.swap { flex-direction: row-reverse; }

    /* 数据块 */
    .data-strip {
      background: var(--dark);
      padding: 48px 0;
      position: relative;
      overflow: hidden;
    }
    .data-strip::before {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 6px;
      background: repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0, rgba(255,255,255,0.04) 60px, transparent 60px, transparent 120px);
      pointer-events: none;
    }
    .data-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .data-item {
      text-align: center;
      padding: 24px 12px;
      background: rgba(255,255,255,0.05);
      border-radius: var(--radius);
      backdrop-filter: blur(2px);
    }
    .data-item .data-num {
      font-size: 40px;
      font-weight: 900;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .data-item .data-label {
      font-size: 14px;
      color: rgba(255,255,255,0.7);
    }
    @media (max-width: 1023px) {
      .data-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 639px) {
      .data-grid { grid-template-columns: 1fr; gap: 16px; }
      .data-item .data-num { font-size: 32px; }
    }

    /* 资讯推荐 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: all var(--transition);
      box-shadow: var(--shadow);
    }
    .news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .news-card .thumb { position: relative; overflow: hidden; }
    .news-card .thumb img { width: 100%; height: 200px; object-fit: cover; transition: transform var(--transition); }
    .news-card:hover .thumb img { transform: scale(1.05); }
    .news-card .badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: var(--accent);
      color: var(--dark);
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
    }
    .news-card .badge.green { background: var(--primary); color: #fff; }
    .news-card .card-body { padding: 20px 22px 24px; }
    .news-card .card-body h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
    .news-card .card-body h3 a:hover { color: var(--primary); }
    .news-card .card-body p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 14px; }
    .news-card .card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-3);
      border-top: 1px solid var(--border);
      padding-top: 12px;
    }
    .news-card .card-meta a { color: var(--primary); font-weight: 600; }
    .news-card .card-meta a:hover { text-decoration: underline; }
    @media (max-width: 1023px) {
      .news-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 639px) {
      .news-grid { grid-template-columns: 1fr; }
    }

    /* FAQ */
    .faq-wrap { max-width: 820px; margin: 0 auto; }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color var(--transition);
    }
    .faq-item:hover { border-color: var(--primary); }
    .faq-q {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 20px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      transition: color var(--transition);
    }
    .faq-q:hover { color: var(--primary); }
    .faq-q .icon {
      flex: none;
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 14px;
      transition: transform var(--transition);
    }
    .faq-item.open .faq-q .icon { transform: rotate(45deg); }
    .faq-a {
      display: none;
      padding: 0 24px 24px;
      font-size: 15px;
      color: var(--text-2);
      line-height: 1.9;
      border-top: 1px dashed var(--border);
      padding-top: 16px;
    }
    .faq-item.open .faq-a { display: block; }
    .faq-foot {
      text-align: center;
      margin-top: 32px;
      font-size: 14px;
      color: var(--text-2);
    }
    .faq-foot a { color: var(--primary); font-weight: 600; }

    /* CTA 条 */
    .cta-banner {
      background: linear-gradient(135deg, var(--accent) 0%, #FFC94D 60%, #F2B825 100%);
      padding: 60px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
      clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
    }
    .cta-banner h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
    }
    .cta-banner p { font-size: 16px; color: var(--dark); opacity: 0.8; margin-bottom: 28px; }
    .cta-banner .btn-dark { box-shadow: 0 6px 20px rgba(22,40,31,0.2); }
    .cta-banner .btn-dark:hover { background: #22382c; transform: translateY(-2px); }
    .cta-hotline { margin-top: 18px; font-size: 14px; color: var(--dark); opacity: 0.7; }
    @media (max-width: 639px) {
      .cta-banner h2 { font-size: 24px; }
      .cta-banner { clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%); }
    }

    /* 页脚 */
    .footer {
      background: var(--dark);
      color: rgba(255,255,255,0.85);
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .footer-brand .brand { margin-bottom: 16px; }
    .footer-brand .brand-text { color: #fff; }
    .footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.6); margin-top: 12px; }
    .footer h5 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { font-size: 14px; color: rgba(255,255,255,0.7); transition: all var(--transition); }
    .footer-links a:hover { color: var(--accent); padding-left: 4px; }
    .footer-contact li {
      font-size: 14px;
      color: rgba(255,255,255,0.7);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-contact i { color: var(--accent); width: 16px; }
    .footer-qr {
      width: 96px;
      height: 96px;
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      color: rgba(255,255,255,0.5);
      margin-top: 16px;
      background: rgba(255,255,255,0.04);
      text-align: center;
      line-height: 1.4;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding: 24px 0;
      font-size: 13px;
      color: rgba(255,255,255,0.4);
    }
    .footer-bottom a { color: rgba(255,255,255,0.5); }
    .footer-bottom a:hover { color: var(--accent); }
    @media (max-width: 1023px) {
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 639px) {
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #1E6B4F;
  --primary-dark: #153D2D;
  --primary-soft: rgba(30, 107, 79, 0.08);
  --accent: #F2B825;
  --accent-hover: #FFC94D;
  --accent-active: #E5AA17;
  --dark: #16281F;
  --bg: #F6F5F1;
  --card: #FFFFFF;
  --text: #262B28;
  --text-secondary: #5D6D65;
  --text-muted: #93A39A;
  --border: #E3E7E2;
  --danger: #FF5A45;
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-full: 999px;
  --shadow-card: 0 2px 8px rgba(22, 40, 31, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(22, 40, 31, 0.16);
  --transition: all 0.35s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
}

/* ========== 基础 Reset / Base ========== */
*,
*::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: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(30, 107, 79, 0.4);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
  border-top: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-header .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 14px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
}

/* ========== 顶部信息条 ========== */
.topbar {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  line-height: 40px;
  height: 40px;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-left .domain {
  color: #fff;
  font-weight: 700;
}

.topbar-left .tagline {
  color: rgba(255, 255, 255, 0.5);
}

.topbar-right {
  display: flex;
  gap: 20px;
}

.topbar-right a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  transition: var(--transition);
}

.topbar-right a:hover {
  color: #fff;
}

/* ========== 主导航 ========== */
.header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(22, 40, 31, 0.04);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.nav-menu li {
  margin: 0;
}

.nav-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-btn);
  position: relative;
  transition: var(--transition);
}

.nav-menu a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

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

.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  padding: 9px 22px;
  border-radius: var(--radius-btn);
  background: transparent;
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius-btn);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text);
  display: block;
  position: relative;
  transition: var(--transition);
}

.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

.hamburger span::before {
  top: -6px;
}

.hamburger span::after {
  top: 6px;
}

.hamburger.open span {
  background: transparent;
}

.hamburger.open span::before {
  transform: rotate(45deg);
  top: 0;
}

.hamburger.open span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ========== 分类横幅 Hero ========== */
.cat-hero {
  background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 55%, rgba(30, 107, 79, 0.86) 100%);
  position: relative;
  padding: 96px 0 110px;
  color: #fff;
  overflow: hidden;
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
}

.cat-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 42%;
  background: rgba(22, 40, 31, 0.25);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 1;
}

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

.hero-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(242, 184, 37, 0.2);
  border: 1px solid rgba(242, 184, 37, 0.6);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.cat-hero h1 {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.cat-hero .hero-desc {
  font-size: 17px;
  line-height: 1.9;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 30px;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

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

.hero-breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}

.hero-breadcrumb .current {
  color: var(--accent);
  font-weight: 600;
}

.hero-side-card {
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-card);
  padding: 24px;
  color: #fff;
}

.hero-side-card .sc-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  font-size: 12px;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.hero-side-card .sc-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-side-card .sc-meta {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

/* ========== 数据条 ========== */
.stats-strip {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-top: -50px;
  position: relative;
  z-index: 5;
}

.stats-strip .cell {
  padding: 28px 20px;
  text-align: center;
  border-left: 1px solid var(--border);
}

.stats-strip .cell:first-child {
  border-left: none;
}

.stats-strip .stat-num {
  font-size: 34px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
}

.stats-strip .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ========== 流程区 ========== */
.steps-section {
  background: var(--bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 26px;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(30, 107, 79, 0.3);
}

.step-num {
  font-size: 46px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  font-family: var(--font-family);
  letter-spacing: 1px;
}

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

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== 图文区块 ========== */
.feature-section {
  background: var(--card);
}

.feature-alt {
  background: var(--bg);
}

.feature-block {
  padding: 40px 0;
}

.feature-block .feature-img {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}

.feature-block .feature-img img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-block .feature-img:hover img {
  transform: scale(1.04);
}

.feature-block .feature-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(22, 40, 31, 0.3));
  border-radius: var(--radius-card);
  pointer-events: none;
}

.feature-content {
  padding: 20px 0;
}

.feature-content .feat-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.feature-content h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 16px;
}

.feature-content p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.feature-content ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.7;
}

.feature-content ul li i {
  color: var(--primary);
  font-size: 14px;
  margin-top: 5px;
  flex-shrink: 0;
}

.feat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
  margin-top: 6px;
  transition: var(--transition);
}

.feat-link:hover {
  gap: 12px;
  color: var(--primary-dark);
}

/* ========== 合作表单区 ========== */
.contact-section {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: repeating-linear-gradient(90deg, transparent 0 40px, rgba(30, 107, 79, 0.04) 40px 42px);
  opacity: 0.5;
}

.contact-card {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  padding: 48px 44px;
  position: relative;
  z-index: 2;
}

.contact-card h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.contact-card .contact-sub {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 30px;
}

.contact-form .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.contact-form .form-item label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.contact-form .form-item input,
.contact-form .form-item select,
.contact-form .form-item textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 12px 14px;
  font-size: 15px;
  background: #fff;
  transition: var(--transition);
}

.contact-form .form-item input:focus,
.contact-form .form-item select:focus,
.contact-form .form-item textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 107, 79, 0.12);
}

.contact-form .form-item textarea {
  resize: vertical;
  min-height: 110px;
}

.contact-form .form-item.full {
  grid-column: 1 / -1;
}

.form-tip {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ========== 按钮系统 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  transition: var(--transition);
  line-height: 1.4;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  color: var(--dark);
  box-shadow: 0 8px 20px rgba(242, 184, 37, 0.35);
}

.btn-primary:active {
  background: var(--accent-active);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.btn-dark {
  background: var(--primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 107, 79, 0.3);
}

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

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  background: #fff;
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  line-height: 1.6;
}

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

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 28px 24px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.9;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-more {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

.faq-more a {
  font-weight: 700;
}

/* ========== CTA 条 ========== */
.cta-bar {
  background: linear-gradient(120deg, var(--dark) 0%, var(--primary-dark) 60%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
  padding: 84px 0;
  text-align: center;
}

.cta-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, transparent 0 18px, rgba(255, 255, 255, 0.04) 18px 20px);
}

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

.cta-bar h2 {
  color: #fff;
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 14px;
}

.cta-bar p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin-bottom: 30px;
}

.cta-bar .btn {
  margin: 0 6px 10px;
}

/* ========== 页脚 ========== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 68px 0 0;
}

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

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand .brand-text {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 300px;
}

.footer h5 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.footer-qr {
  width: 76px;
  height: 76px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  line-height: 1.4;
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.06);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

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

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ========== 响应式 ========== */
@media screen and (max-width: 1023px) {
  .nav-menu {
    position: fixed;
    top: 112px;
    left: 0;
    right: 0;
    background: var(--card);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(22, 40, 31, 0.12);
    display: none;
    z-index: 50;
    align-items: stretch;
  }

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

  .nav-menu a {
    padding: 14px 18px;
    font-size: 16px;
    border-radius: var(--radius-btn);
  }

  .nav-menu a.active::after {
    left: 18px;
    right: auto;
    width: 40px;
    bottom: 8px;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media screen and (max-width: 639px) {
  .section {
    padding: 56px 0;
  }

  .topbar .tagline {
    display: none;
  }

  .topbar-right a:nth-child(1),
  .topbar-right a:nth-child(2) {
    display: none;
  }

  .cat-hero {
    padding: 64px 0 90px;
  }

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

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

  .stats-strip .cell {
    padding: 20px 10px;
  }

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

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

  .feature-block {
    padding: 20px 0 30px;
  }

  .feature-block .feature-img img {
    height: 220px;
  }

  .contact-card {
    padding: 30px 22px;
  }

  .contact-form .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form .form-item.full {
    grid-column: auto;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 20px 20px;
  }

  .cta-bar h2 {
    font-size: 26px;
  }

  .cta-bar p {
    font-size: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .nav-wrap {
    height: 64px;
  }

  .brand svg {
    width: 34px;
    height: 34px;
  }

  .brand-text {
    font-size: 19px;
  }

  .section-header h2 {
    font-size: 26px;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .cat-hero h1 {
    font-size: 28px;
  }

  .stats-strip .cell {
    border-left: none;
    border-bottom: 1px solid var(--border);
  }

  .stats-strip .cell:nth-child(4) {
    border-bottom: none;
  }

  .btn {
    padding: 13px 24px;
    font-size: 15px;
  }
}