/* roulang page: index */
:root {
  --primary: #0D3D36;
  --primary-dark: #0A2E29;
  --primary-light: #1A6B5A;
  --accent: #C8A24A;
  --accent-light: #E5C97B;
  --bg: #F6F3EC;
  --text: #1F2A27;
  --text-secondary: #5A6B66;
  --text-weak: #7C8A85;
  --border: #DCE4DE;
  --card-border: #E3E9E4;
  --white: #FFFFFF;
  --warm-white: #F7F5EF;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 4px 20px rgba(13,61,54,0.08);
  --shadow-hover: 0 8px 30px rgba(13,61,54,0.14);
  --transition: all .3s ease;
  --header-h: 100px;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  padding-bottom: 72px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol, li { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; }
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.container--wide { max-width: 1380px; }
.section { padding: 84px 0; }
.section--alt { background: var(--bg); }
.section--gray { background: #EDF1EC; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head--left { text-align: left; margin: 0 0 36px; }
.section-head--light h2 { color: var(--warm-white); }
.section-head--light p { color: rgba(247,245,239,.72); }
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(200,162,74,.14);
  border: 1px solid rgba(200,162,74,.4);
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-tag--gold { color: var(--accent-light); border-color: rgba(200,162,74,.45); background: rgba(200,162,74,.12); }
.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-head p { font-size: 15px; color: var(--text-secondary); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  padding: 14px 28px;
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(200,162,74,.32);
}
.btn-accent:hover { filter: brightness(1.05); transform: translateY(-2px); box-shadow: 0 8px 26px rgba(200,162,74,.4); }
.btn-ghost { background: transparent; color: var(--warm-white); border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; transform: translateY(-2px); }
.btn-text { background: transparent; color: var(--primary); padding: 12px 16px; }
.btn-text:hover { color: var(--accent); }
.btn-lg { padding: 16px 38px; font-size: 16px; }
.btn-sm { padding: 10px 22px; font-size: 13px; }
.btn-block { width: 100%; }
/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg);
  box-shadow: 0 2px 10px rgba(13,61,54,.06);
  transition: var(--transition);
}
.header-top { height: 44px; background: var(--bg); border-bottom: 1px solid var(--border); transition: var(--transition); }
.header-top-inner { display: flex; align-items: center; height: 100%; gap: 20px; }
.brand-mini { font-size: 14px; font-weight: 700; color: var(--primary); white-space: nowrap; letter-spacing: 1px; }
.header-search {
  flex: 1;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 0 6px 0 18px;
  height: 32px;
  transition: var(--transition);
}
.header-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(200,162,74,.16); }
.header-search input { flex: 1; border: none; outline: none; background: transparent; font-size: 13px; color: var(--text); }
.header-search button { width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: var(--accent-light); display: flex; align-items: center; justify-content: center; font-size: 12px; transition: var(--transition); }
.header-search button:hover { background: var(--primary-light); }
.hot-tags { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-weak); white-space: nowrap; }
.hot-tags a {
  padding: 3px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--white);
  font-size: 12px;
}
.hot-tags a:hover { border-color: var(--accent); color: var(--primary); background: rgba(200,162,74,.08); }
.header-main { background: var(--primary); height: 56px; transition: var(--transition); }
.header-main-inner { display: flex; align-items: center; height: 100%; gap: 32px; }
.brand-logo { display: flex; align-items: baseline; gap: 10px; color: var(--warm-white); flex-shrink: 0; }
.brand-mark { font-family: "DIN Alternate", "Arial Narrow", sans-serif; font-size: 28px; font-weight: 700; letter-spacing: 2px; color: var(--accent-light); }
.brand-cn { font-size: 18px; font-weight: 700; letter-spacing: 2px; color: var(--warm-white); }
.main-nav { display: flex; align-items: center; gap: 28px; flex: 1; }
.main-nav a {
  position: relative;
  color: rgba(247,245,239,.78);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
}
.main-nav a:hover { color: var(--warm-white); }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.main-nav a:hover::after { width: 100%; }
.main-nav a.active { color: var(--accent-light); }
.main-nav a.active::after { width: 100%; background: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); color: var(--warm-white); font-size: 18px; align-items: center; justify-content: center; }
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 4px solid var(--primary);
  padding: 22px;
  box-shadow: 0 20px 40px rgba(13,61,54,.14);
}
.mobile-menu.open { display: block; }
.mobile-menu a:not(.btn) { display: block; font-size: 16px; font-weight: 600; color: var(--text); padding: 12px 0; border-bottom: 1px solid var(--border); }
.mobile-menu a.active { color: var(--primary); }
.mobile-menu a:hover { color: var(--accent); }
.mobile-search { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--card-border); border-radius: 999px; padding: 0 6px 0 18px; height: 40px; margin: 14px 0; }
.mobile-search input { flex: 1; border: none; outline: none; background: transparent; }
.mobile-search button { width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: var(--accent-light); font-size: 12px; }
.mobile-hot { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.mobile-hot a { font-size: 12px !important; padding: 4px 12px !important; border: 1px solid var(--border) !important; border-radius: 999px !important; background: var(--bg); display: inline-block !important; }
.site-header.scrolled .header-top { display: none; }
.site-header.scrolled .header-main { height: 56px; }
.site-header.scrolled { box-shadow: 0 4px 14px rgba(13,61,54,.12); }
/* Hero */
.hero { position: relative; padding-top: var(--header-h); min-height: 680px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: -2; }
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10,46,41,.92) 0%, rgba(13,61,54,.78) 55%, rgba(26,107,90,.55) 100%);
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: 84px 24px; }
.hero-content { color: var(--warm-white); }
.hero-eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent-light); border: 1px solid rgba(200,162,74,.55); padding: 5px 16px; border-radius: 999px; margin-bottom: 22px; }
.hero-content h1 { font-size: 42px; font-weight: 700; line-height: 1.24; color: var(--warm-white); letter-spacing: 1px; margin-bottom: 20px; }
.hero-sub { font-size: 17px; line-height: 1.8; color: rgba(247,245,239,.82); max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; color: rgba(247,245,239,.8); }
.trust-item { display: flex; align-items: center; gap: 6px; }
.trust-item i { color: var(--accent-light); }
.hero-card {
  background: var(--white);
  border-radius: 24px;
  padding: 34px 30px;
  box-shadow: 0 18px 48px rgba(10,46,41,.3);
  border-top: 4px solid var(--accent);
}
.hero-card-head { margin-bottom: 22px; }
.hero-card-head h3 { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.hero-card-head p { font-size: 13px; color: var(--text-weak); }
.form-group { margin-bottom: 14px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  height: 46px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0 16px;
  font-size: 14px;
  background: var(--white);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.form-group textarea { height: auto; padding: 12px 16px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(200,162,74,.15); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-weak); }
.hero-card .form-note { font-size: 12px; color: var(--text-weak); text-align: center; margin-top: 12px; line-height: 1.6; }
/* Stats strip */
.stats-strip { background: var(--primary); padding: 32px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-badge { display: flex; align-items: center; gap: 16px; background: var(--primary-dark); border-radius: 20px; padding: 18px 24px; border: 1px solid rgba(200,162,74,.18); }
.stat-num { font-family: "DIN Alternate", "Arial Narrow", sans-serif; font-size: 42px; font-weight: 700; color: var(--accent-light); line-height: 1; }
.stat-num span { font-size: 20px; margin-left: 2px; color: var(--accent); }
.stat-label { font-size: 13px; color: rgba(247,245,239,.78); line-height: 1.5; }
/* Features */
.feature-grid { display: grid; grid-template-columns: 1.05fr .95fr; grid-template-rows: auto auto; gap: 26px; }
.feature-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.feature-card--main { grid-row: 1 / 3; justify-content: center; }
.feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 4px; background: linear-gradient(135deg, var(--accent), var(--accent-light)); transition: var(--transition); }
.feature-card:hover::before { width: 100%; }
.feature-index { position: absolute; top: 22px; right: 24px; font-family: "DIN Alternate", "Arial Narrow", sans-serif; font-size: 52px; font-weight: 700; color: transparent; -webkit-text-stroke: 1px rgba(13,61,54,.12); line-height: 1; }
.feature-icon { width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(135deg, rgba(13,61,54,.08), rgba(26,107,90,.12)); display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); margin-bottom: 20px; }
.feature-card--main .feature-icon { width: 68px; height: 68px; border-radius: 18px; font-size: 28px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: var(--accent-light); }
.feature-card h3 { font-size: 21px; font-weight: 700; color: var(--primary); margin-bottom: 12px; line-height: 1.4; }
.feature-card--main h3 { font-size: 26px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; flex: 1; }
.feature-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 13px; font-weight: 700; color: var(--primary); }
.feature-link i { transition: var(--transition); }
.feature-link:hover { color: var(--accent); }
.feature-link:hover i { transform: translateX(4px); }
/* Process */
.process-section { background: var(--bg); position: relative; }
.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .04;
  pointer-events: none;
}
.steps-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; margin-bottom: 44px; }
.steps-row::before { content: ''; position: absolute; top: 88px; left: 6%; right: 6%; border-top: 2px dashed rgba(200,162,74,.5); z-index: 0; }
.step-card { position: relative; z-index: 1; background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--card-border); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition); }
.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.step-media { position: relative; height: 176px; overflow: hidden; }
.step-media img { width: 100%; height: 100%; object-fit: cover; background: #E3E9E4; }
.step-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(13,61,54,.18)); }
.step-num {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(13,61,54,.25);
}
.step-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); padding: 20px 20px 4px; }
.step-card p { font-size: 13px; color: var(--text-secondary); padding: 0 20px 22px; line-height: 1.7; }
.process-cta { display: flex; align-items: center; justify-content: center; gap: 16px; }
/* Social proof */
.social-proof { background: var(--primary); padding: 84px 0; color: var(--warm-white); position: relative; overflow: hidden; }
.social-proof::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  opacity: .06;
}
.partner-wall { display: grid; gap: 12px; margin-bottom: 48px; position: relative; }
.partner-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.partner-row span {
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(247,245,239,.5);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 12px;
  padding: 10px 26px;
  transition: var(--transition);
}
.partner-row span:hover { color: var(--warm-white); border-color: rgba(200,162,74,.4); background: rgba(255,255,255,.08); }
.testimonial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 48px; position: relative; }
.testimonial { position: relative; background: rgba(255,255,255,.05); border-radius: 20px; padding: 30px 30px 24px; border: 1px solid rgba(255,255,255,.08); }
.quote-mark { font-family: Georgia, serif; font-size: 56px; line-height: 1; color: var(--accent); margin-bottom: 6px; }
.testimonial p { font-size: 15px; line-height: 1.8; color: rgba(247,245,239,.88); margin-bottom: 16px; }
.testimonial footer { font-size: 13px; color: var(--accent-light); }
.proof-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.proof-stats > div { text-align: center; background: rgba(10,46,41,.5); border-radius: 16px; padding: 22px 12px; border: 1px solid rgba(200,162,74,.18); }
.proof-stats b { font-family: "DIN Alternate", "Arial Narrow", sans-serif; display: block; font-size: 38px; font-weight: 700; color: var(--accent-light); line-height: 1.2; }
.proof-stats span { font-size: 13px; color: rgba(247,245,239,.74); }
/* News */
.news-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; margin-bottom: 28px; }
.news-feature { display: block; background: var(--white); border: 1px solid var(--card-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); }
.news-feature:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-feature-thumb { position: relative; height: 250px; overflow: hidden; }
.news-feature-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-cat { position: absolute; top: 16px; left: 16px; background: linear-gradient(135deg, var(--accent), var(--accent-light)); color: var(--primary-dark); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 999px; box-shadow: 0 4px 12px rgba(13,61,54,.2); }
.news-cat--sm { position: static; display: inline-block; background: rgba(13,61,54,.08); color: var(--primary); padding: 3px 10px; margin-bottom: 8px; box-shadow: none; }
.news-feature-body { padding: 26px 28px; }
.news-feature-body h3 { font-size: 22px; font-weight: 700; color: var(--primary); line-height: 1.4; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 18px; }
.news-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-weak); }
.news-more { color: var(--primary); font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }
.news-more i { transition: var(--transition); }
.news-feature:hover .news-more i { transform: translateX(4px); }
.news-side { display: grid; grid-template-rows: repeat(2, 1fr); gap: 28px; }
.news-side-item { display: flex; flex-direction: column; justify-content: center; background: var(--white); border: 1px solid var(--card-border); border-radius: var(--radius-lg); padding: 24px 26px; box-shadow: var(--shadow-card); transition: var(--transition); }
.news-side-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-side-content h4 { font-size: 17px; font-weight: 700; color: var(--primary); line-height: 1.5; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-side-content p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.news-side-content .news-date { font-size: 12px; color: var(--text-weak); }
.news-list { display: grid; gap: 12px; }
.news-list-item { display: flex; align-items: center; gap: 20px; background: var(--white); border: 1px solid var(--card-border); border-radius: var(--radius-md); padding: 16px 22px; transition: var(--transition); }
.news-list-item:hover { box-shadow: var(--shadow-hover); border-color: rgba(200,162,74,.45); transform: translateX(4px); }
.news-list-cat { flex-shrink: 0; background: rgba(13,61,54,.08); color: var(--primary); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.news-list-main { flex: 1; min-width: 0; }
.news-list-title { display: block; font-size: 15px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-summary { display: block; font-size: 12px; color: var(--text-weak); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-date { flex-shrink: 0; font-size: 12px; color: var(--text-weak); }
.news-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 70px 24px; border: 2px dashed var(--border); border-radius: var(--radius-lg); color: var(--text-weak); background: rgba(255,255,255,.55); }
.news-empty i { font-size: 42px; color: var(--border); }
.news-empty p { font-size: 15px; }
/* FAQ + Contact */
.contact-section { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 48px; align-items: start; }
.faq-item { background: var(--white); border: 1px solid var(--card-border); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item.active { border-color: rgba(200,162,74,.5); box-shadow: var(--shadow-card); }
.faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 18px 22px; font-size: 15px; font-weight: 700; color: var(--text); text-align: left; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-icon { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(13,61,54,.06); color: var(--primary); font-size: 14px; transition: var(--transition); flex-shrink: 0; }
.faq-item.active .faq-icon { background: var(--accent); color: var(--primary-dark); transform: rotate(135deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; background: rgba(246,243,236,.65); }
.faq-item.active .faq-answer { max-height: 260px; }
.faq-answer p { padding: 4px 22px 20px; font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.contact-card { background: var(--white); border-radius: 22px; padding: 36px 32px; box-shadow: var(--shadow-card); border-top: 4px solid var(--accent); }
.contact-card-head h3 { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.contact-card-head p { font-size: 13px; color: var(--text-weak); margin-bottom: 22px; }
.form-privacy { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 12px; color: var(--text-weak); margin-top: 14px; }
.form-privacy i { color: var(--accent); }
/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(247,245,239,.72); padding: 68px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr .9fr; gap: 44px; padding-bottom: 44px; }
.footer-logo { display: flex; align-items: baseline; gap: 8px; font-size: 24px; font-weight: 700; color: var(--warm-white); margin-bottom: 16px; }
.footer-logo span { color: var(--accent-light); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; max-width: 320px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-badges span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: rgba(247,245,239,.7); background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 999px; padding: 5px 14px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: var(--accent-light); margin-bottom: 18px; letter-spacing: 1px; }
.footer-col a { display: block; font-size: 14px; color: rgba(247,245,239,.7); padding: 5px 0; }
.footer-col a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-col p { font-size: 14px; line-height: 2; color: rgba(247,245,239,.7); }
.footer-col p i { width: 20px; color: var(--accent); }
.footer-map { margin-top: 18px; background: rgba(255,255,255,.04); border: 1px dashed rgba(200,162,74,.3); border-radius: 14px; padding: 18px 14px; text-align: center; font-size: 13px; color: rgba(247,245,239,.6); }
.footer-map i { display: block; font-size: 30px; margin-bottom: 6px; color: var(--accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: rgba(247,245,239,.5); }
/* Sticky bar */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  box-shadow: 0 -4px 18px rgba(13,61,54,.2);
  transform: translateY(100%);
  transition: transform .45s ease;
}
.sticky-bar.visible { transform: translateY(0); }
.sticky-bar-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 72px; }
.sticky-bar-text { display: flex; align-items: center; gap: 10px; color: var(--warm-white); font-size: 15px; font-weight: 600; }
.sticky-bar-text i { color: var(--accent-light); font-size: 20px; }
.sticky-bar-phone { color: var(--accent-light); font-family: "DIN Alternate", "Arial Narrow", sans-serif; font-size: 20px; font-weight: 700; }
.sticky-bar-phone:hover { color: var(--warm-white); }
/* Responsive */
@media (max-width: 1199px) {
  .container { padding: 0 28px; }
  .hero-content h1 { font-size: 38px; }
  .hero-inner { gap: 36px; }
  .stats-row { gap: 14px; }
  .stat-badge { padding: 14px 16px; flex-direction: column; align-items: flex-start; gap: 6px; }
  .stat-num { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1023px) {
  .hero-inner { grid-template-columns: 1fr; padding: 56px 24px; }
  .hero-card { max-width: 520px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .step-card h3 { font-size: 15px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-side { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .proof-stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .partner-row span { font-size: 13px; padding: 8px 16px; }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .steps-row::before { display: none; }
  .header-main-inner { gap: 20px; }
}
@media (max-width: 767px) {
  body { padding-bottom: 56px; }
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .site-header { --header-h: 56px; }
  .header-top { display: none; }
  .main-nav { display: none; }
  .header-actions .btn-accent { display: none; }
  .nav-toggle { display: flex; }
  .header-main { height: 56px; }
  .brand-mark { font-size: 24px; }
  .brand-cn { font-size: 16px; }
  .site-header.scrolled .header-main { height: 56px; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .hero { padding-top: 56px; min-height: auto; }
  .hero-inner { padding: 44px 0; grid-template-columns: 1fr; gap: 32px; }
  .hero-content h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .hero-trust { flex-direction: column; gap: 10px; }
  .hero-card { padding: 26px 20px; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-badge { padding: 14px; border-radius: 14px; flex-direction: row; }
  .stat-num { font-size: 30px; }
  .stat-label { font-size: 12px; }
  .section-head h2 { font-size: 26px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card--main { grid-row: auto; }
  .feature-card--main h3 { font-size: 22px; }
  .steps-row { grid-template-columns: 1fr; }
  .step-card h3 { font-size: 16px; }
  .partner-row { gap: 8px; }
  .partner-row span { font-size: 11px; padding: 6px 12px; }
  .news-side { grid-template-columns: 1fr; }
  .news-list-item { flex-wrap: wrap; gap: 8px; }
  .news-list-cat, .news-list-date { display: none; }
  .news-list-title { font-size: 14px; }
  .news-feature-thumb { height: 200px; }
  .news-feature-body h3 { font-size: 18px; }
  .faq-question { font-size: 14px; padding: 15px 16px; }
  .faq-answer p { font-size: 13px; padding: 2px 16px 16px; }
  .contact-card { padding: 26px 20px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .sticky-bar-inner { height: 56px; gap: 12px; }
  .sticky-bar-text { font-size: 12px; }
  .sticky-bar-text i { font-size: 15px; }
  .sticky-bar-phone { font-size: 16px; }
  .sticky-bar .btn-sm { padding: 8px 16px; font-size: 12px; }
  .process-cta { flex-direction: column; }
}
@media (max-width: 480px) {
  .section-head h2 { font-size: 22px; }
  .hero-content h1 { font-size: 28px; }
  .hero-sub { font-size: 14px; }
  .stat-num { font-size: 26px; }
  .proof-stats { grid-template-columns: 1fr 1fr; }
  .proof-stats b { font-size: 28px; }
  .sticky-bar-text span { display: none; }
  .sticky-bar-inner { justify-content: center; }
}

/* roulang page: category1 */
:root {
  --primary: #0D3D36;
  --primary-dark: #0A2E29;
  --primary-light: #1A6B5A;
  --accent: #C8A24A;
  --accent-light: #E5C97B;
  --bg-warm: #F6F3EC;
  --text-main: #1F2A27;
  --text-sub: #5A6B66;
  --text-weak: #7C8A85;
  --border: #DCE4DE;
  --border-card: #E3E9E4;
  --white-warm: #F7F5EF;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(13,61,54,0.08);
  --shadow-hover: 0 8px 30px rgba(13,61,54,0.14);
  --font-num: "DIN Alternate", "Arial Narrow", "Liberation Sans Narrow", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-warm);
  line-height: 1.75;
  padding-bottom: 72px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
a:hover, a:focus { outline: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul { list-style: none; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 15px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(200,162,74,0.3);
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 24px rgba(200,162,74,0.42);
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  background: transparent;
  color: var(--white-warm);
  font-weight: 600;
  font-size: 15px;
  border-radius: 999px;
  border: 1.5px solid rgba(247,245,239,0.6);
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-outline:hover {
  background: var(--white-warm);
  color: var(--primary-dark);
  border-color: var(--white-warm);
}
.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  border-radius: 999px;
  border: 1px solid var(--border-card);
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-white:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* 顶部品牌行 */
.top-bar {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  height: 44px;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  position: relative;
  z-index: 200;
}
.top-bar.hidden { transform: translateY(-100%); height: 0; overflow: hidden; border: none; }
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 20px;
}
.site-logo {
  font-weight: 800;
  font-size: 19px;
  color: var(--primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.site-logo span { color: var(--accent); }
.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 6px 5px 16px;
  width: 380px;
  max-width: 45%;
  transition: all 0.3s ease;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200,162,74,0.12);
}
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-main);
}
.search-box input::placeholder { color: var(--text-weak); }
.search-box button {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.search-box button:hover { background: var(--primary-light); }
.hot-tags { display: flex; gap: 8px; align-items: center; }
.hot-tag {
  font-size: 12px;
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
  transition: all 0.25s;
  background: #fff;
}
.hot-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 2px rgba(200,162,74,0.1);
}

/* 主导航 */
.main-header {
  background: var(--primary);
  position: sticky;
  top: 44px;
  z-index: 150;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(10,46,41,0.12);
}
.main-header.sticky {
  top: 0;
  box-shadow: 0 4px 20px rgba(10,46,41,0.2);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.brand-mark .mark-icon {
  width: 30px;
  height: 30px;
  border: 2px solid var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent-light);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: rgba(247,245,239,0.8);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 8px;
  transition: all 0.25s;
  position: relative;
}
.main-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}
.main-nav a.active {
  color: #fff;
  font-weight: 700;
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.header-cta {
  color: var(--primary-dark);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  padding: 8px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.3s;
  white-space: nowrap;
}
.header-cta:hover {
  filter: brightness(1.05);
  box-shadow: 0 4px 16px rgba(200,162,74,0.35);
}
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}

/* 移动端抽屉 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--primary-dark);
  z-index: 500;
  padding: 40px 24px;
  transition: right 0.35s ease;
  box-shadow: -10px 0 40px rgba(0,0,0,0.2);
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 490;
  opacity: 0;
  transition: opacity 0.3s;
}
.drawer-overlay.show { display: block; opacity: 1; }
.mobile-drawer a {
  display: block;
  color: var(--white-warm);
  font-size: 20px;
  font-weight: 600;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-drawer a.active { color: var(--accent); }
.drawer-search {
  display: flex;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 8px 16px;
  margin: 24px 0 16px;
  border: 1px solid rgba(255,255,255,0.1);
}
.drawer-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
}
.drawer-search input::placeholder { color: rgba(255,255,255,0.5); }
.drawer-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.drawer-tags span {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: 4px 14px;
}

/* 页面 Hero */
.page-hero {
  background: linear-gradient(115deg, rgba(10,46,41,0.92) 0%, rgba(13,61,54,0.8) 55%, rgba(26,107,90,0.6) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 60px 0;
  position: relative;
}
.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--bg-warm);
  border-radius: 0 100% 0 0;
}
.page-hero-inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  font-size: 44px;
  color: #fff;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
}
.page-hero h1 span {
  color: var(--accent-light);
}
.page-hero p {
  color: rgba(247,245,239,0.85);
  font-size: 17px;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
}

/* 通用区块 */
.section-pad { padding: 80px 0; }
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.section-subtitle {
  text-align: center;
  color: var(--text-sub);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-title .gold {
  color: var(--accent);
}

/* 图文区块 */
.feature-section { padding: 80px 0; }
.feature-section.alt { background: #fff; }
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-grid.reverse .feature-image { order: 2; }
.feature-grid.reverse .feature-content { order: 1; }
.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #E9EEE9;
  position: relative;
}
.feature-image img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-image:hover img { transform: scale(1.03); }
.feature-image .img-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(200,162,74,0.4);
}
.feature-content h2 {
  font-size: 30px;
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.4;
  position: relative;
  padding-left: 18px;
}
.feature-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 28px;
  background: linear-gradient(180deg, var(--accent), var(--accent-light));
  border-radius: 4px;
}
.feature-content p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 24px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-main);
  font-size: 15px;
  border-bottom: 1px dashed var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--primary);
  color: var(--accent-light);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 3px;
}

/* 数据区块 */
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 260px;
  height: 260px;
  border: 2px dashed rgba(200,162,74,0.2);
  border-radius: 50%;
}
.stats-section .section-title { color: #fff; }
.stats-section .section-subtitle { color: rgba(247,245,239,0.7); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 16px;
  position: relative;
  z-index: 2;
}
.stat-card {
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 36px 24px;
  text-align: center;
  transition: all 0.3s ease;
}
.stat-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}
.stat-number {
  font-family: var(--font-num);
  font-size: 52px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}
.stat-number small { font-size: 22px; font-weight: 600; }
.stat-label {
  color: rgba(247,245,239,0.85);
  font-size: 14px;
  letter-spacing: 0.04em;
}

/* FAQ 区块 */
.faq-section { padding: 80px 0; background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background: #fff;
  transition: all 0.3s ease;
  overflow: hidden;
}
.faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.faq-item.open { border-color: var(--accent); box-shadow: var(--shadow); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  min-height: 56px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-main);
  user-select: none;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--primary);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  background: var(--primary);
  color: var(--accent-light);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  background: var(--bg-warm);
}
.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.85;
}

/* 相关业务入口 */
.related-section {
  padding: 80px 0;
  background: var(--bg-warm);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 980px;
  margin: 0 auto;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}
.related-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--accent), var(--accent-light));
  transition: height 0.35s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card:hover::before { height: 100%; }
.related-card h3 {
  font-size: 22px;
  color: var(--primary);
  font-weight: 800;
}
.related-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
}
.related-card .card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s;
}
.related-card:hover .card-link { gap: 10px; }

/* CTA 区块 */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 34px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  color: rgba(247,245,239,0.8);
  font-size: 16px;
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 页脚 */
.site-footer {
  background: var(--primary-dark);
  color: rgba(247,245,239,0.75);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: block;
  margin-bottom: 16px;
}
.footer-brand .footer-logo span { color: var(--accent); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247,245,239,0.65);
  margin-bottom: 16px;
  max-width: 280px;
}
.footer-testimonial {
  font-size: 13px;
  color: rgba(247,245,239,0.55);
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  font-style: italic;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(247,245,239,0.65);
  transition: all 0.25s;
  position: relative;
}
.footer-links a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.footer-links a:hover { color: var(--accent); }
.footer-links a:hover::after { width: 100%; }
.footer-contact li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact .contact-icon {
  color: var(--accent);
  font-style: normal;
}
.footer-badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-badge .badge-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary-dark);
  font-weight: 700;
}
.footer-badge span { font-size: 13px; color: rgba(247,245,239,0.7); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(247,245,239,0.45);
  flex-wrap: wrap;
  gap: 12px;
}

/* 底部固定条 */
.bottom-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}
.bottom-cta-bar.show {
  opacity: 1;
  visibility: visible;
}
.bottom-cta-bar .bar-text {
  color: var(--white-warm);
  font-size: 15px;
  font-weight: 600;
}
.bottom-cta-bar .bar-text span { color: var(--accent); }
.bottom-cta-bar .bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.bottom-cta-bar .bar-phone {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-num);
  letter-spacing: 0.02em;
}
.bottom-cta-bar .bar-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 14px;
  transition: all 0.3s;
}
.bottom-cta-bar .bar-btn:hover {
  filter: brightness(1.05);
  box-shadow: 0 4px 16px rgba(200,162,74,0.4);
  transform: translateY(-2px);
}

/* 响应式 */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .feature-grid { gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .page-hero h1 { font-size: 38px; }
}

@media (max-width: 768px) {
  body { padding-bottom: 56px; }
  .top-bar { display: none; }
  .main-header { top: 0; }
  .header-inner { height: 56px; }
  .brand-mark .mark-icon { display: none; }
  .main-nav { display: none; }
  .header-cta { display: none; }
  .hamburger { display: flex; }
  .feature-section { padding: 56px 0; }
  .feature-grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-grid.reverse .feature-image { order: 1; }
  .feature-grid.reverse .feature-content { order: 2; }
  .feature-image img { height: 260px; }
  .section-title { font-size: 28px; }
  .page-hero { padding: 48px 0; }
  .page-hero h1 { font-size: 32px; }
  .page-hero p { font-size: 15px; }
  .related-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 24px 16px; }
  .stat-number { font-size: 40px; }
  .cta-section h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .bottom-cta-bar { height: 56px; padding: 0 16px; }
  .bottom-cta-bar .bar-text { font-size: 13px; display: none; }
  .bottom-cta-bar .bar-phone { font-size: 16px; }
  .bottom-cta-bar .bar-btn { padding: 8px 18px; font-size: 13px; }
  .mobile-drawer.open { display: block; }
}

@media (max-width: 480px) {
  .page-hero h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
  .feature-content h2 { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: 20px; }
  .section-pad { padding: 48px 0; }
  .faq-question { font-size: 14px; padding: 16px 18px; }
  .container { padding: 0 16px; }
  .cta-buttons { flex-direction: column; align-items: center; }
}

/* roulang page: article */
:root {
      --primary: #0D3D36;
      --primary-dark: #0A2E29;
      --primary-light: #1A6B5A;
      --gold: #C8A24A;
      --gold-light: #E5C97B;
      --bg: #F6F3EC;
      --white: #FFFFFF;
      --white-warm: #F7F5EF;
      --text: #1F2A27;
      --text-secondary: #5A6B66;
      --text-muted: #7C8A85;
      --border: #DCE4DE;
      --border-light: #E3E9E4;
      --shadow-card: 0 4px 20px rgba(13,61,54,0.08);
      --shadow-hover: 0 8px 30px rgba(13,61,54,0.14);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
      --font-num: "DIN Alternate", "Arial Narrow", "Liberation Sans Narrow", sans-serif;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      padding-bottom: 72px;
    }
    img {
      max-width: 100%;
      display: block;
      background: var(--border-light);
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease;
    }
    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      color: inherit;
      border: none;
      background: none;
      outline: none;
    }
    ul,
    ol {
      list-style: none;
    }

    .container {
      width: min(1200px, 100% - 48px);
      margin-inline: auto;
    }
    @media (max-width: 767px) {
      .container {
        width: calc(100% - 32px);
      }
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 15px;
      line-height: 1;
      padding: 14px 30px;
      cursor: pointer;
      transition: background .3s ease, box-shadow .3s ease, transform .2s ease, color .2s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-gold {
      background: linear-gradient(118deg, var(--gold) 0%, var(--gold-light) 100%);
      color: var(--primary-dark);
      box-shadow: 0 4px 16px rgba(200,162,74,0.28);
    }
    .btn-gold:hover {
      filter: brightness(1.05);
      box-shadow: 0 8px 26px rgba(200,162,74,0.38);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      color: var(--white-warm);
      border-color: rgba(255,255,255,0.65);
    }
    .btn-outline:hover {
      background: var(--white-warm);
      color: var(--primary-dark);
      border-color: var(--white-warm);
    }
    .btn-dark {
      background: var(--primary-dark);
      color: var(--white-warm);
    }
    .btn-dark:hover {
      background: var(--primary);
      transform: translateY(-1px);
    }

    .section-head {
      text-align: center;
      margin-bottom: 42px;
    }
    .section-head h2 {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary-dark);
      line-height: 1.35;
      letter-spacing: 0.5px;
      position: relative;
      display: inline-block;
      padding-bottom: 14px;
    }
    .section-head h2::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 48px;
      height: 4px;
      background: linear-gradient(90deg, var(--gold), var(--gold-light));
      border-radius: 999px;
    }
    .section-head p {
      color: var(--text-secondary);
      font-size: 16px;
      margin-top: 12px;
      max-width: 620px;
      margin-inline: auto;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 4px 20px rgba(13,61,54,0.06);
    }
    .header-top {
      background: var(--bg);
      height: 44px;
      overflow: hidden;
      transition: height .35s ease, opacity .3s ease;
    }
    .header-top-inner {
      height: 100%;
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .brand-top {
      display: inline-flex;
      align-items: baseline;
      gap: 6px;
      flex-shrink: 0;
    }
    .brand-top .brand-en {
      font-family: var(--font-num);
      font-weight: 700;
      font-size: 20px;
      letter-spacing: 1.5px;
      color: var(--primary-dark);
    }
    .brand-top .brand-cn {
      font-size: 15px;
      font-weight: 600;
      color: var(--primary);
      letter-spacing: 1px;
    }
    .search-box {
      flex: 1;
      max-width: 400px;
      height: 32px;
      display: flex;
      align-items: center;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 0 8px 0 16px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .search-box:focus-within {
      border-color: var(--gold);
      box-shadow: 0 0 0 3px rgba(200,162,74,0.14);
    }
    .search-box input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 13px;
      color: var(--text);
      min-width: 0;
    }
    .search-box input::placeholder {
      color: var(--text-muted);
    }
    .search-box button {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: linear-gradient(118deg, var(--gold), var(--gold-light));
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      flex-shrink: 0;
      transition: filter .2s ease;
    }
    .search-box button:hover {
      filter: brightness(1.08);
    }
    .search-box button svg {
      width: 13px;
      height: 13px;
      fill: var(--primary-dark);
    }
    .hot-tags {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }
    .hot-tags a {
      display: inline-flex;
      align-items: center;
      font-size: 12px;
      color: var(--text-secondary);
      background: var(--white);
      border: 1px solid var(--border);
      padding: 3px 12px;
      border-radius: 999px;
      font-weight: 500;
      transition: border-color .2s ease, color .2s ease;
    }
    .hot-tags a:hover {
      border-color: var(--gold);
      color: var(--primary);
    }
    .menu-toggle {
      display: none;
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background: var(--white);
      border: 1px solid var(--border);
      align-items: center;
      justify-content: center;
      cursor: pointer;
      margin-left: auto;
      flex-shrink: 0;
    }
    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--primary-dark);
      border-radius: 2px;
      margin: 2px 0;
    }
    .header-main {
      background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
      height: 48px;
      transition: height .35s ease;
    }
    .header-main-inner {
      height: 100%;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .brand-main {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      color: var(--white-warm);
    }
    .brand-main svg {
      width: 30px;
      height: 30px;
    }
    .brand-main .brand-name {
      font-weight: 700;
      font-size: 17px;
      letter-spacing: 0.5px;
      line-height: 1.2;
    }
    .brand-main .brand-sub {
      font-size: 11px;
      color: rgba(247,245,239,0.7);
      letter-spacing: 2px;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin: 0 auto;
    }
    .main-nav a {
      color: rgba(247,245,239,0.86);
      font-size: 15px;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 999px;
      transition: background .25s ease, color .25s ease;
    }
    .main-nav a:hover {
      color: var(--white-warm);
      background: rgba(255,255,255,0.08);
    }
    .main-nav a.active {
      color: var(--white-warm);
      background: rgba(200,162,74,0.18);
      box-shadow: inset 0 0 0 1px rgba(200,162,74,0.5);
    }
    .btn-nav-cta {
      background: linear-gradient(118deg, var(--gold) 0%, var(--gold-light) 100%);
      color: var(--primary-dark);
      border-radius: 999px;
      padding: 8px 18px;
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
      transition: filter .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .btn-nav-cta:hover {
      filter: brightness(1.05);
      box-shadow: 0 4px 14px rgba(200,162,74,0.34);
      transform: translateY(-1px);
    }
    .site-header.scrolled .header-top {
      height: 0;
      opacity: 0;
    }
    .site-header.scrolled .header-main {
      height: 56px;
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(10,46,41,0.5);
      z-index: 1100;
      opacity: 0;
      visibility: hidden;
      transition: opacity .3s ease, visibility .3s ease;
    }
    .drawer-overlay.open {
      opacity: 1;
      visibility: visible;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      width: min(320px, 84vw);
      height: 100vh;
      background: var(--bg);
      z-index: 1200;
      transform: translateX(105%);
      transition: transform .35s ease;
      display: flex;
      flex-direction: column;
      padding: 28px 24px 32px;
      box-shadow: -8px 0 30px rgba(13,61,54,0.18);
    }
    .mobile-drawer.open {
      transform: translateX(0);
    }
    .drawer-logo {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 22px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .drawer-logo .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 20px;
    }
    .drawer-nav a {
      padding: 12px 16px;
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      transition: background .2s ease, color .2s ease;
    }
    .drawer-nav a:hover {
      background: var(--white);
      color: var(--primary);
    }
    .drawer-nav a.active {
      background: var(--primary);
      color: var(--white-warm);
    }
    .drawer-search {
      display: flex;
      align-items: center;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 0 8px 0 16px;
      height: 40px;
      margin-bottom: 14px;
    }
    .drawer-search input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 14px;
      min-width: 0;
    }
    .drawer-search input::placeholder {
      color: var(--text-muted);
    }
    .drawer-hot {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }
    .drawer-hot a {
      font-size: 12px;
      color: var(--text-secondary);
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 4px 12px;
      transition: border-color .2s ease;
    }
    .drawer-hot a:hover {
      border-color: var(--gold);
    }
    .drawer-close {
      position: absolute;
      top: 18px;
      right: 18px;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--white);
      border: 1px solid var(--border);
      font-size: 16px;
      color: var(--text-muted);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .drawer-close:hover {
      color: var(--primary);
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-wrap {
      padding: 26px 0 10px;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .breadcrumb a {
      color: var(--text-secondary);
      transition: color .2s ease;
    }
    .breadcrumb a:hover {
      color: var(--primary);
    }
    .breadcrumb .sep {
      color: var(--border);
    }
    .breadcrumb .current {
      color: var(--text-muted);
      max-width: 260px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* ===== Article ===== */
    .article-detail {
      background: var(--white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      margin: 10px auto 40px;
      padding: 44px 48px;
      max-width: 960px;
    }
    .article-header {
      text-align: left;
      max-width: 780px;
      margin-inline: auto;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 32px;
    }
    .article-header h1 {
      font-size: 34px;
      line-height: 1.35;
      font-weight: 700;
      color: var(--primary-dark);
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }
    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .article-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-meta .meta-cat {
      display: inline-flex;
      align-items: center;
      background: rgba(13,61,54,0.08);
      color: var(--primary);
      border-radius: 999px;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 600;
    }
    .article-meta svg {
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .article-body {
      max-width: 780px;
      margin-inline: auto;
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
    }
    .article-body p {
      margin-bottom: 1.5em;
    }
    .article-body h2 {
      font-size: 24px;
      font-weight: 700;
      color: var(--primary-dark);
      line-height: 1.4;
      margin-top: 40px;
      margin-bottom: 16px;
      padding-left: 14px;
      border-left: 4px solid var(--gold);
    }
    .article-body h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      margin-top: 30px;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .article-body img {
      border-radius: 12px;
      margin: 24px auto;
      max-width: 100%;
    }
    .article-body blockquote {
      background: #EFF4F0;
      border-left: 4px solid var(--gold);
      border-radius: 0 12px 12px 0;
      padding: 20px 24px;
      margin: 28px 0;
      color: var(--text-secondary);
      font-style: normal;
      line-height: 1.7;
    }
    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 28px 0;
      font-size: 15px;
    }
    .article-body table th {
      background: var(--primary-dark);
      color: var(--white-warm);
      font-weight: 600;
      padding: 12px 16px;
      text-align: left;
      border: 1px solid var(--primary-dark);
    }
    .article-body table td {
      padding: 12px 16px;
      border: 1px solid var(--border);
      color: var(--text-secondary);
    }
    .article-body ul,
    .article-body ol {
      padding-left: 24px;
      margin: 16px 0 24px;
    }
    .article-body ul {
      list-style: disc;
    }
    .article-body ol {
      list-style: decimal;
    }
    .article-body li {
      margin-bottom: 8px;
      line-height: 1.7;
    }
    .article-body a {
      color: var(--primary-light);
      border-bottom: 1px solid rgba(26,107,90,0.3);
    }
    .article-body a:hover {
      color: var(--primary-dark);
      border-color: var(--primary-dark);
    }
    .article-notfound {
      background: var(--bg);
      border: 1px dashed var(--border);
      border-radius: var(--radius-lg);
      padding: 48px 32px;
      text-align: center;
      max-width: 780px;
      margin: 0 auto;
    }
    .article-notfound .nf-icon {
      font-size: 44px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .article-notfound h2 {
      font-size: 24px;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }
    .article-notfound p {
      color: var(--text-secondary);
      margin-bottom: 20px;
    }

    .article-tags {
      max-width: 780px;
      margin: 0 auto 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      padding: 18px 22px;
      background: var(--white);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
    }
    .article-tags .tags-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
    }
    .article-tags a {
      font-size: 12px;
      color: var(--primary);
      background: rgba(13,61,54,0.07);
      border-radius: 999px;
      padding: 5px 14px;
      font-weight: 500;
      transition: background .2s ease, color .2s ease;
    }
    .article-tags a:hover {
      background: var(--primary);
      color: var(--white-warm);
    }

    /* ===== Related ===== */
    .related-section {
      padding: 50px 0;
      background: var(--bg);
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .related-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: transform .3s ease, box-shadow .3s ease;
      display: flex;
      flex-direction: column;
    }
    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .related-img {
      height: 160px;
      overflow: hidden;
      background: var(--border-light);
    }
    .related-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .related-card:hover .related-img img {
      transform: scale(1.04);
    }
    .related-body {
      padding: 18px 20px 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .related-tag {
      font-size: 11px;
      font-weight: 600;
      color: var(--gold);
      background: rgba(200,162,74,0.1);
      display: inline-block;
      width: fit-content;
      border-radius: 6px;
      padding: 3px 10px;
    }
    .related-body h3 {
      font-size: 17px;
      line-height: 1.5;
      font-weight: 700;
      color: var(--text);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color .2s ease;
    }
    .related-card:hover .related-body h3 {
      color: var(--primary);
    }
    .related-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: auto;
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 56px 0 40px;
    }
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      max-width: 960px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: box-shadow .3s ease;
    }
    .faq-item.open {
      box-shadow: var(--shadow-hover);
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0 22px;
      min-height: 60px;
      text-align: left;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      background: transparent;
      transition: color .2s ease;
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-icon {
      position: relative;
      width: 16px;
      height: 16px;
      flex-shrink: 0;
    }
    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      background: var(--gold);
      border-radius: 2px;
      transition: transform .3s ease;
    }
    .faq-icon::before {
      width: 16px;
      height: 2px;
      top: 7px;
      left: 0;
    }
    .faq-icon::after {
      width: 2px;
      height: 16px;
      left: 7px;
      top: 0;
    }
    .faq-item.open .faq-icon::after {
      transform: scaleY(0);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }
    .faq-answer-inner {
      padding: 0 22px 20px;
      font-size: 14px;
      line-height: 1.75;
      color: var(--text-secondary);
      background: var(--bg);
      border-top: 1px solid var(--border-light);
      border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    .faq-answer p {
      margin-top: 14px;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 44px 0 60px;
    }
    .cta-inner {
      background:
        linear-gradient(110deg, rgba(10,46,41,0.93) 0%, rgba(13,61,54,0.82) 55%, rgba(26,107,90,0.6) 100%),
        url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
      border-radius: var(--radius-lg);
      padding: 58px 56px;
      text-align: center;
      color: var(--white-warm);
      position: relative;
      overflow: hidden;
    }
    .cta-inner::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(circle at 80% 20%, rgba(200,162,74,0.18) 0%, transparent 60%);
      pointer-events: none;
    }
    .cta-inner h2 {
      font-size: 30px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 14px;
      position: relative;
    }
    .cta-inner p {
      font-size: 16px;
      max-width: 620px;
      margin: 0 auto 30px;
      color: rgba(247,245,239,0.88);
      position: relative;
      line-height: 1.8;
    }
    .cta-btns {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      position: relative;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--primary-dark);
      color: rgba(247,245,239,0.82);
      padding: 56px 0 0;
      margin-top: 20px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
      gap: 36px;
      padding-bottom: 40px;
    }
    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 20px;
      font-weight: 700;
      color: var(--white-warm);
      margin-bottom: 12px;
    }
    .footer-brand .footer-logo .logo-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--gold);
    }
    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(247,245,239,0.65);
      max-width: 280px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--white-warm);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 14px;
      color: rgba(247,245,239,0.7);
      transition: color .2s ease;
    }
    .footer-col ul li a:hover {
      color: var(--gold-light);
    }
    .footer-contact p {
      font-size: 14px;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: rgba(247,245,239,0.7);
    }
    .footer-contact p svg {
      width: 15px;
      height: 15px;
      fill: var(--gold);
      flex-shrink: 0;
    }
    .qual-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 12px;
      padding: 10px 16px;
      font-size: 13px;
      color: rgba(247,245,239,0.8);
      margin-bottom: 10px;
    }
    .qual-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 16px 0;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: rgba(247,245,239,0.55);
    }
    .footer-bottom .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    /* ===== Fixed Bar ===== */
    .fixed-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 900;
      background: var(--primary-dark);
      box-shadow: 0 -6px 24px rgba(13,61,54,0.18);
      transform: translateY(110%);
      transition: transform .4s ease;
    }
    .fixed-bar.show {
      transform: translateY(0);
    }
    .fixed-bar-inner {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 24px;
      padding: 12px 0;
      min-height: 60px;
    }
    .bar-text {
      font-size: 14px;
      color: var(--white-warm);
      font-weight: 500;
    }
    .bar-text .highlight {
      color: var(--gold-light);
    }
    .bar-phone {
      font-family: var(--font-num);
      font-size: 17px;
      color: var(--gold-light);
      font-weight: 700;
      white-space: nowrap;
    }
    .bar-btn {
      background: linear-gradient(118deg, var(--gold), var(--gold-light));
      color: var(--primary-dark);
      border-radius: 999px;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 700;
      transition: filter .2s ease, transform .2s ease;
      white-space: nowrap;
    }
    .bar-btn:hover {
      filter: brightness(1.06);
      transform: translateY(-1px);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1023px) {
      .header-top-inner {
        gap: 14px;
      }
      .hot-tags {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .related-grid {
        gap: 16px;
      }
      .article-detail {
        padding: 32px;
      }
    }
    @media (max-width: 767px) {
      body {
        padding-bottom: 48px;
      }
      .header-top {
        height: 56px;
      }
      .site-header.scrolled .header-top {
        height: 56px;
        opacity: 1;
      }
      .header-main {
        display: none;
      }
      .search-box,
      .hot-tags {
        display: none;
      }
      .menu-toggle {
        display: inline-flex;
      }
      .breadcrumb-wrap {
        padding: 18px 0 6px;
      }
      .breadcrumb {
        font-size: 12px;
      }
      .article-detail {
        padding: 24px 20px;
        border-radius: 16px;
      }
      .article-header h1 {
        font-size: 26px;
      }
      .article-meta {
        gap: 10px;
      }
      .article-tags {
        padding: 14px 16px;
        gap: 8px;
      }
      .related-grid {
        grid-template-columns: 1fr;
      }
      .related-img {
        height: 140px;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .cta-inner {
        padding: 42px 24px;
        border-radius: 16px;
      }
      .cta-inner h2 {
        font-size: 24px;
      }
      .cta-inner p {
        font-size: 15px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom .container {
        flex-direction: column;
        text-align: center;
        padding: 12px 0;
      }
      .fixed-bar-inner {
        gap: 10px;
        min-height: 48px;
        padding: 8px 0;
        justify-content: space-between;
        flex-wrap: nowrap;
      }
      .bar-text {
        display: none;
      }
      .bar-phone {
        font-size: 15px;
      }
      .bar-btn {
        padding: 8px 16px;
        font-size: 13px;
      }
    }
    @media (max-width: 480px) {
      .article-header h1 {
        font-size: 22px;
      }
      .article-body {
        font-size: 15px;
      }
      .article-body h2 {
        font-size: 21px;
      }
      .cta-inner h2 {
        font-size: 21px;
      }
      .bar-btn {
        padding: 8px 14px;
        font-size: 12px;
      }
      .bar-phone {
        font-size: 14px;
      }
    }

/* roulang page: category2 */
:root {
  --primary: #0D3D36;
  --primary-dark: #0A2E29;
  --primary-light: #1A6B5A;
  --accent: #C8A24A;
  --accent-light: #E5C97B;
  --bg: #F6F3EC;
  --white: #FFFFFF;
  --text: #1F2A27;
  --text-secondary: #5A6B66;
  --text-muted: #7C8A85;
  --border: #DCE4DE;
  --border-card: #E3E9E4;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(13, 61, 54, 0.08);
  --shadow-card-hover: 0 8px 30px rgba(13, 61, 54, 0.14);
  --font-title: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-number: "DIN Alternate", "Arial Narrow", "Liberation Sans Narrow", sans-serif;
  --section-space: 84px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 72px;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-kicker {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-head h2 {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1.3;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 20px rgba(200, 162, 74, 0.35);
  transition: all 0.25s ease;
}
.btn-main:hover {
  filter: brightness(1.05);
  box-shadow: 0 10px 28px rgba(200, 162, 74, 0.45);
  transform: translateY(-2px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
}
.btn-ghost:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-nav-cta:hover {
  filter: brightness(1.06);
  box-shadow: 0 4px 16px rgba(200, 162, 74, 0.4);
}
.btn-sm {
  padding: 10px 24px;
  font-size: 14px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}
body {
  padding-top: 100px;
}
.header-top {
  height: 44px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  transition: height 0.3s ease, border-color 0.3s ease;
}
.header-top-inner {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 24px;
  transition: height 0.3s ease;
}
.brand-mini {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.header-search {
  flex: 1;
  max-width: 420px;
  display: flex;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  gap: 8px;
  height: 32px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.header-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 162, 74, 0.18);
}
.header-search svg {
  color: var(--text-muted);
  flex-shrink: 0;
}
.header-search input {
  width: 100%;
  font-size: 13px;
  color: var(--text);
  background: transparent;
}
.header-search input::placeholder {
  color: var(--text-muted);
}
.hot-tags {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}
.hot-tags a {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.hot-tags a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 10px;
  cursor: pointer;
  align-items: center;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.header-bottom {
  height: 56px;
  background: var(--primary);
  transition: box-shadow 0.3s ease;
}
.header-bottom-inner {
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  white-space: nowrap;
}
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
}
.logo-name {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
}
.logo-name em {
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-left: 4px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.main-nav a {
  display: inline-block;
  padding: 8px 18px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  line-height: 1.4;
}
.main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.main-nav a.active {
  color: #fff;
  background: rgba(200, 162, 74, 0.25);
  font-weight: 700;
}
body.header-scrolled .header-top {
  height: 0;
  border-bottom-color: transparent;
}
body.header-scrolled .header-top-inner {
  height: 0;
  overflow: hidden;
}
body.header-scrolled .header-bottom {
  box-shadow: 0 4px 20px rgba(10, 46, 41, 0.18);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 44px;
  left: 0;
  right: 0;
  background: var(--white);
  z-index: 999;
  padding: 20px 20px 28px;
  transform: translateY(-110%);
  transition: transform 0.32s ease;
  box-shadow: 0 16px 40px rgba(13, 61, 54, 0.16);
  border-bottom: 1px solid var(--border);
  max-height: calc(100vh - 60px);
  overflow-y: auto;
}
.mobile-menu.open {
  transform: translateY(0);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.mobile-nav a {
  display: block;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s ease;
}
.mobile-nav a:hover,
.mobile-nav a.active {
  background: rgba(13, 61, 54, 0.08);
  color: var(--primary);
}
.mobile-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 14px;
  margin-bottom: 14px;
}
.mobile-search input {
  width: 100%;
  font-size: 14px;
  background: transparent;
}
.mobile-search svg {
  color: var(--text-muted);
  flex-shrink: 0;
}
.mobile-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.mobile-tags a {
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
}
.mobile-menu .btn-main {
  width: 100%;
}

/* Page Hero */
.page-hero {
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  background: linear-gradient(115deg, rgba(10, 46, 41, 0.92) 0%, rgba(13, 61, 54, 0.82) 55%, rgba(26, 107, 90, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  padding: 72px 0 56px;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
}
.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s ease;
}
.hero-breadcrumb a:hover {
  color: var(--accent-light);
}
.page-hero h1 {
  font-family: var(--font-title);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.page-hero h1 .accent-text {
  color: var(--accent-light);
}
.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  max-width: 760px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-actions .btn-main {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
}
.hero-actions .btn-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.hero-actions .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* Data Strip */
.data-strip {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, var(--primary-light));
  padding: 40px 0;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.data-item {
  text-align: center;
  padding: 12px 16px;
}
.data-num {
  font-family: var(--font-number);
  font-size: 44px;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1.1;
  letter-spacing: 1px;
  white-space: nowrap;
}
.data-num span {
  font-size: 20px;
  margin-left: 2px;
}
.data-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 8px;
  letter-spacing: 0.5px;
}

/* Network Nodes */
.network-section {
  padding: var(--section-space) 0;
  background: var(--white);
}
.node-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.node-track::before {
  content: '';
  position: absolute;
  top: 42px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--accent) 0 6px, transparent 6px 14px);
  opacity: 0.5;
  z-index: 0;
}
.node-card {
  position: relative;
  z-index: 1;
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-align: left;
}
.node-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.node-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.node-card:hover::before {
  opacity: 1;
}
.node-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent-light);
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
}
.node-card h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.node-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.node-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: rgba(200, 162, 74, 0.1);
  border: 1px solid rgba(200, 162, 74, 0.3);
  border-radius: var(--radius-pill);
  padding: 2px 12px;
}

/* Flow Section */
.flow-section {
  padding: var(--section-space) 0;
  background: var(--bg);
}
.flow-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.flow-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.flow-step {
  display: flex;
  gap: 20px;
  position: relative;
}
.flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 23px;
  top: 52px;
  bottom: -22px;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--accent) 0 5px, transparent 5px 10px);
  opacity: 0.45;
}
.flow-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent-light);
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(13, 61, 54, 0.25);
  z-index: 1;
}
.flow-card {
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  flex: 1;
}
.flow-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-card-hover);
}
.flow-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.flow-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.flow-media {
  position: relative;
}
.flow-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px rgba(13, 61, 54, 0.18);
}
.flow-media-caption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* Value Section */
.value-section {
  padding: var(--section-space) 0;
  background: var(--white);
}
.value-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.value-image img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px rgba(13, 61, 54, 0.16);
}
.value-content h2 {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 16px;
}
.value-content > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.value-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}
.value-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
}
.value-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
}
.value-list li strong {
  display: block;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 2px;
}
.testimonial {
  background: var(--bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.testimonial cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-weight: 600;
  color: var(--primary);
}

/* FAQ Section */
.faq-section {
  padding: var(--section-space) 0;
  background: var(--bg);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.faq-item.active {
  border-color: rgba(200, 162, 74, 0.5);
  box-shadow: 0 6px 24px rgba(13, 61, 54, 0.1);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s ease;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.faq-icon::before {
  width: 16px;
  height: 2px;
}
.faq-icon::after {
  width: 2px;
  height: 16px;
}
.faq-item.active .faq-icon::after {
  height: 0;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin: 0 24px;
}
.faq-answer-inner {
  padding-left: 0;
  padding-right: 0;
  margin: 0 24px;
}

/* CTA Section */
.cta-section {
  padding: var(--section-space) 0;
  background: var(--white);
}
.cta-card {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary) 70%, var(--primary-light));
  border-radius: 24px;
  padding: 52px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  color: #fff;
  box-shadow: 0 16px 48px rgba(10, 46, 41, 0.28);
}
.cta-info h2 {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
  color: #fff;
}
.cta-info p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
}
.cta-form {
  background: var(--white);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
.cta-form .form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cta-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.cta-form input,
.cta-form select,
.cta-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.cta-form input:focus,
.cta-form select:focus,
.cta-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 162, 74, 0.18);
  background: var(--white);
}
.cta-form textarea {
  resize: vertical;
  min-height: 70px;
}
.cta-form .btn-main {
  width: 100%;
  margin-top: 4px;
}
.form-privacy {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 0.9fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 16px;
}
.footer-col a,
.footer-col span {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 2.2;
  transition: color 0.2s ease;
}
.footer-col a:hover {
  color: #fff;
}
.footer-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-badges .badge {
  display: inline-block;
  width: fit-content;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Bottom Bar */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  padding: 12px 0;
  transform: translateY(100%);
  transition: transform 0.35s ease;
  box-shadow: 0 -6px 24px rgba(13, 61, 54, 0.16);
}
.bottom-bar.visible {
  transform: translateY(0);
}
.bottom-bar-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}
.bar-text {
  font-weight: 600;
  font-size: 14px;
  flex: 1;
  line-height: 1.5;
}
.bar-phone {
  font-family: var(--font-number);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  white-space: nowrap;
}
.bottom-bar .btn-main {
  background: var(--primary-dark);
  color: #fff;
  box-shadow: none;
}
.bottom-bar .btn-main:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1199px) {
  .container {
    padding: 0 20px;
  }
  .node-track {
    gap: 16px;
  }
  .node-card {
    padding: 22px 18px;
  }
}
@media (max-width: 1023px) {
  .header-search {
    max-width: 300px;
  }
  .main-nav a {
    padding: 8px 12px;
    font-size: 14px;
  }
  .node-track {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .node-track::before {
    display: none;
  }
  .flow-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .flow-media img {
    height: 320px;
  }
  .value-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .value-image img {
    height: 320px;
  }
  .cta-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 768px) {
  body {
    padding-top: 44px;
    padding-bottom: 56px;
  }
  .header-top-inner {
    height: 44px;
  }
  .header-search,
  .hot-tags {
    display: none;
  }
  .menu-toggle {
    display: flex;
    margin-left: auto;
  }
  .header-bottom {
    display: none;
  }
  .page-hero {
    min-height: 280px;
    padding: 48px 0 40px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .hero-lead {
    font-size: 15px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .data-num {
    font-size: 34px;
  }
  .flow-media img {
    height: 240px;
  }
  .value-image img {
    height: 240px;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-answer-inner {
    margin: 0 18px;
  }
  .cta-card {
    padding: 28px 18px;
  }
  .bottom-bar-inner {
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 16px;
  }
  .bar-text {
    flex: 1 1 100%;
    font-size: 13px;
    text-align: center;
  }
  .bar-phone {
    font-size: 15px;
  }
  .bottom-bar .btn-main {
    padding: 8px 18px;
    font-size: 13px;
  }
  .network-section,
  .flow-section,
  .value-section,
  .faq-section,
  .cta-section {
    padding: 56px 0;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn-main,
  .hero-actions .btn-ghost {
    text-align: center;
  }
  .node-track {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .data-item {
    padding: 10px 4px;
  }
  .data-num {
    font-size: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}