/* roulang page: index */
:root {
  --primary: #C9A227;
  --primary-dark: #A8871B;
  --primary-light: #E8CE7D;
  --navy: #0B1220;
  --navy-2: #111C30;
  --navy-3: #1A2744;
  --text: #1E293B;
  --text-light: #475569;
  --muted: #94A3B8;
  --bg: #F7F8FC;
  --white: #FFFFFF;
  --border: #E5E9F2;
  --border-dark: rgba(255,255,255,.12);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-full: 60px;
  --shadow: 0 10px 40px rgba(11,18,32,.08);
  --shadow-lg: 0 24px 64px rgba(11,18,32,.16);
  --shadow-gold: 0 12px 32px rgba(201,162,39,.35);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }
input, textarea, select { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,162,39,.12);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 8px 18px;
  border-radius: 40px;
  margin-bottom: 16px;
}
.section-tag.dark {
  background: rgba(201,162,39,.15);
  color: var(--primary-light);
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--navy);
  letter-spacing: -1px;
}
.section-title.dark { color: #fff; }
.section-sub {
  margin-top: 16px;
  font-size: 16px;
  color: var(--muted);
}

/* ===== Header / Dock Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 20px;
}
.dock-nav {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 12px 16px 12px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.dock-nav.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255,255,255,.96);
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  white-space: nowrap;
}
.logo em {
  font-style: normal;
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
  letter-spacing: 2px;
}
.dock-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.dock-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  padding: 10px 18px;
  border-radius: 40px;
  position: relative;
}
.dock-links a:hover {
  color: var(--primary-dark);
  background: rgba(201,162,39,.08);
}
.dock-links a.active {
  color: var(--primary-dark);
  font-weight: 600;
  background: rgba(201,162,39,.12);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: 40px;
  box-shadow: var(--shadow-gold);
  white-space: nowrap;
  transition: var(--transition);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(201,162,39,.45);
  color: #fff;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(201,162,39,.1);
  color: var(--primary-dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.menu-toggle:hover { background: rgba(201,162,39,.2); }
.mobile-menu {
  display: none;
  max-width: 1180px;
  margin: 12px auto 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 16px;
  box-shadow: var(--shadow-lg);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.mobile-menu a:hover { background: rgba(201,162,39,.08); color: var(--primary-dark); }
.mobile-menu a.active { background: rgba(201,162,39,.12); color: var(--primary-dark); font-weight: 600; }
.mobile-menu .mobile-cta {
  margin-top: 8px;
  display: flex;
  justify-content: center;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(130deg, rgba(11,18,32,.92) 30%, rgba(11,18,32,.68) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 160px 0 100px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: 20%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(201,162,39,.24) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(201,162,39,.16);
  border: 1px solid rgba(201,162,39,.4);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 8px 18px;
  border-radius: 40px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  letter-spacing: -2px;
}
.hero h1 span {
  background: linear-gradient(120deg, var(--primary-light) 0%, var(--primary) 50%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 50px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn:focus-visible {
  outline: 3px solid rgba(201,162,39,.5);
  outline-offset: 3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(201,162,39,.5);
  color: #fff;
}
.btn-ghost {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.28);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.5);
  color: #fff;
  transform: translateY(-3px);
}
.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.14);
}
.hero-stat h4 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-light);
}
.hero-stat p {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  letter-spacing: 1px;
  margin-top: 2px;
}

/* ===== Intro ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.intro-content h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
  letter-spacing: -1px;
}
.intro-content .lead {
  margin-top: 20px;
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.9;
}
.intro-features {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.intro-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.intro-feature:hover {
  box-shadow: var(--shadow);
  border-color: rgba(201,162,39,.4);
  transform: translateY(-2px);
}
.intro-feature i {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201,162,39,.12);
  color: var(--primary-dark);
  border-radius: 12px;
  font-size: 16px;
}
.intro-feature h4 { font-size: 15px; font-weight: 700; color: var(--navy); }
.intro-feature p { font-size: 13px; color: var(--muted); margin-top: 2px; }
.intro-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-image img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform .6s ease;
}
.intro-image:hover img { transform: scale(1.04); }
.intro-image .image-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(11,18,32,.72);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 16px;
  padding: 16px 20px;
  color: #fff;
}
.intro-image .image-card h5 { font-size: 15px; font-weight: 700; }
.intro-image .image-card p { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 2px; }

/* ===== Category Entry ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: block;
}
.cat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(201,162,39,.35);
}
.cat-card-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.cat-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.cat-card:hover .cat-card-cover img { transform: scale(1.08); }
.cat-card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11,18,32,.5) 100%);
}
.cat-card-body {
  padding: 24px;
  position: relative;
}
.cat-icon {
  position: absolute;
  top: -26px;
  right: 24px;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: var(--shadow-gold);
}
.cat-card-body h3 { font-size: 19px; font-weight: 700; color: var(--navy); }
.cat-card-body p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.7;
}
.cat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
}
.cat-card-link i { transition: transform .3s ease; }
.cat-card:hover .cat-card-link i { transform: translateX(4px); }

/* ===== News ===== */
.news-section {
  background: var(--white);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  background: var(--white);
}
.news-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.news-card:hover .news-cover img { transform: scale(1.08); }
.news-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11,18,32,.8);
  backdrop-filter: blur(8px);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.18);
  z-index: 2;
}
.news-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .3s;
}
.news-card:hover .news-body h3 { color: var(--primary-dark); }
.news-body p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  margin-top: auto;
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--border);
}
.news-meta time {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.news-more {
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--muted);
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  font-size: 15px;
}

/* ===== Data / Process ===== */
.data-section {
  background-image: linear-gradient(rgba(11,18,32,.94), rgba(11,18,32,.92)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 72px;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.stat-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(201,162,39,.4);
  transform: translateY(-4px);
}
.stat-card .num {
  font-size: 38px;
  font-weight: 900;
  background: linear-gradient(120deg, var(--primary-light) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card .label {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-top: 6px;
  letter-spacing: 1px;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 44px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(201,162,39,.5), transparent);
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.process-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  background: var(--navy-3);
  border: 1px solid rgba(201,162,39,.4);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--primary-light);
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
  transition: var(--transition);
}
.process-step:hover .process-icon {
  transform: translateY(-6px) rotate(-3deg);
  box-shadow: 0 28px 48px rgba(0,0,0,.5);
}
.process-step h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-top: 18px;
}
.process-step p {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  margin-top: 8px;
  line-height: 1.7;
  padding: 0 10px;
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(201,162,39,.3);
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(201,162,39,.12);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 20px;
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-gold);
}
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--navy); }
.feature-card p { font-size: 14px; color: var(--muted); margin-top: 10px; line-height: 1.75; }

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(201,162,39,.4); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  list-style: none;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: rgba(201,162,39,.12);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.faq-item[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-item .faq-answer {
  padding: 0 24px 22px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
}
.cta-box {
  position: relative;
  background-image: linear-gradient(130deg, rgba(11,18,32,.92) 40%, rgba(11,18,32,.8) 100%), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: 32px;
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(201,162,39,.3) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-box h2 {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -1px;
}
.cta-box p {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,.72);
  font-size: 16px;
  margin-top: 16px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.72);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand .footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.footer-brand .footer-logo em {
  font-style: normal;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.55);
  margin-top: 16px;
  max-width: 340px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  padding: 6px 0;
}
.footer-col a:hover { color: var(--primary-light); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 6px 0;
  color: rgba(255,255,255,.6);
}
.footer-contact i { color: var(--primary); width: 18px; text-align: center; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .process-grid::before { display: none; }
  .section { padding: 72px 0; }
}
@media (max-width: 768px) {
  .dock-links { display: none; }
  .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .dock-nav { border-radius: 24px; padding: 10px 14px 10px 20px; }
  .hero { min-height: 86vh; padding: 140px 0 80px; }
  .hero h1 { font-size: 36px; }
  .hero-desc { font-size: 16px; }
  .hero-stats-row { gap: 20px; }
  .hero-stat h4 { font-size: 22px; }
  .cta-box { padding: 48px 24px; border-radius: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 56px 0; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .cat-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .intro-features { grid-template-columns: 1fr; }
  .intro-image img { height: 320px; }
  .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
            --color-primary: #0f1e3d;
            --color-secondary: #1d3a6e;
            --color-accent: #c9a55c;
            --color-accent-dark: #b8944a;
            --color-bg: #f5f7fb;
            --color-white: #ffffff;
            --color-text: #2d3748;
            --color-muted: #5a6b85;
            --color-border: #e4e9f2;
            --radius-sm: 12px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 61, .05);
            --shadow: 0 8px 30px rgba(15, 30, 61, .08);
            --shadow-lg: 0 20px 50px rgba(15, 30, 61, .12);
            --transition: all .25s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 880px;
        }

        /* ========== Header / Dock 导航 ========== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            padding: 24px 16px 0;
        }
        .dock-nav {
            max-width: 1060px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, .9);
            border-radius: 60px;
            padding: 12px 20px;
            box-shadow: 0 8px 32px rgba(15, 30, 61, .08);
        }
        .dock-logo {
            font-size: 1.26rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: .5px;
            display: flex;
            align-items: baseline;
            gap: 3px;
            white-space: nowrap;
        }
        .dock-logo em {
            font-style: normal;
            color: var(--color-accent);
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .dock-links a {
            padding: 9px 20px;
            border-radius: 40px;
            font-size: .95rem;
            font-weight: 500;
            color: #3c4a63;
            transition: var(--transition);
        }
        .dock-links a:hover {
            background: #f0f3f9;
            color: var(--color-primary);
        }
        .dock-links a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .dock-links a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 30, 61, .18);
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .dock-phone {
            font-size: .88rem;
            color: var(--color-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .dock-phone i {
            color: var(--color-accent);
        }
        .dock-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 20px;
            border-radius: 40px;
            font-size: .9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
            box-shadow: 0 4px 14px rgba(15, 30, 61, .16);
            transition: var(--transition);
            white-space: nowrap;
        }
        .dock-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 30, 61, .2);
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            padding: 180px 0 80px;
            color: #fff;
            overflow: hidden;
            background: linear-gradient(127deg, rgba(15, 30, 61, .94) 0%, rgba(29, 58, 110, .82) 55%, rgba(201, 165, 92, .5) 130%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 18px;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: var(--transition);
        }
        .hero-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .hero-breadcrumb span {
            color: rgba(255, 255, 255, .5);
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 40px;
            background: rgba(201, 165, 92, .15);
            border: 1px solid rgba(201, 165, 92, .35);
            color: #f1d9a7;
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: .3px;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.18;
            max-width: 720px;
            margin-bottom: 18px;
        }
        .page-hero h1 em {
            font-style: normal;
            color: var(--color-accent);
        }
        .hero-desc {
            max-width: 680px;
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 56px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 40px;
            font-size: .95rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent), #b8944a);
            box-shadow: 0 8px 24px rgba(201, 165, 92, .35);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(201, 165, 92, .42);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 40px;
            font-size: .95rem;
            font-weight: 500;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .45);
            transition: var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .8);
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 880px;
        }
        .metric-card {
            padding: 20px 22px;
            border-radius: 18px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .metric-card:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-3px);
        }
        .metric-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201, 165, 92, .2);
            color: #f1d9a7;
            font-size: 1.05rem;
            margin-bottom: 10px;
        }
        .metric-value {
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1.2;
        }
        .metric-label {
            font-size: .82rem;
            color: rgba(255, 255, 255, .65);
            margin-top: 2px;
        }

        /* ========== 通用板块 ========== */
        .section-white,
        .section-soft,
        .section-dark {
            padding: 90px 0;
        }
        .section-white {
            background: #fff;
        }
        .section-soft {
            background: var(--color-bg);
        }
        .section-dark {
            background: linear-gradient(150deg, var(--color-primary), var(--color-secondary));
            color: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 660px;
            margin: 0 auto 48px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: .8rem;
            letter-spacing: 2px;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.3;
        }
        .section-head p {
            color: var(--color-muted);
            margin-top: 12px;
            font-size: .95rem;
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-dark .section-head p {
            color: rgba(255, 255, 255, .7);
        }

        /* ========== 服务入口卡片 ========== */
        .service-grid,
        .steps-grid {
            display: grid;
            gap: 24px;
        }
        .service-card {
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }
        .card-img {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .service-card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: .75rem;
            font-weight: 600;
            background: rgba(255, 255, 255, .92);
            color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
            backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 22px;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .card-body p {
            font-size: .88rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card-link {
            font-size: .88rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-link:hover {
            gap: 10px;
            color: var(--color-primary);
        }

        /* ========== 流程步骤 ========== */
        .step-card {
            padding: 30px 24px;
            border-radius: 20px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            transition: var(--transition);
        }
        .step-card:hover {
            background: rgba(255, 255, 255, .12);
            transform: translateY(-4px);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            font-size: 1.1rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-accent), #b8944a);
            color: var(--color-primary);
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .step-card p {
            font-size: .9rem;
            color: rgba(255, 255, 255, .7);
            line-height: 1.7;
        }

        /* ========== 图文区块 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .feature-media {
            position: relative;
        }
        .feature-media img {
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
        }
        .feature-media::before {
            content: '';
            position: absolute;
            inset: 28px -20px -20px 28px;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(201, 165, 92, .35), rgba(29, 58, 110, .18));
            z-index: -1;
        }
        .feature-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .feature-content p {
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .feature-list {
            list-style: none;
            margin-bottom: 28px;
            display: grid;
            gap: 12px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .92rem;
            color: #3c4a63;
        }
        .feature-list li i {
            width: 18px;
            color: var(--color-accent);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            padding: 0 22px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: #d3dbe9;
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-weight: 600;
            color: var(--color-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--color-accent);
            transition: transform .25s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 0 20px;
            color: var(--color-muted);
            font-size: .92rem;
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, rgba(15, 30, 61, .92), rgba(29, 58, 110, .78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .75);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: .98rem;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 40px;
            font-weight: 600;
            color: var(--color-primary);
            background: #fff;
            transition: var(--transition);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 40px;
            font-weight: 600;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .5);
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, .72);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr .7fr 1fr;
            gap: 48px;
            margin-bottom: 46px;
        }
        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo em {
            font-style: normal;
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: .88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--color-accent);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 26px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 14px 12px 0;
            }
            .dock-nav {
                border-radius: 24px;
                padding: 12px 16px;
            }
            .dock-phone {
                display: none;
            }
            .page-hero {
                padding: 160px 0 60px;
            }
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 44px;
            }
            .section-white,
            .section-soft,
            .section-dark {
                padding: 64px 0;
            }
        }

        @media (max-width: 520px) {
            .dock-links a {
                padding: 8px 14px;
                font-size: .85rem;
            }
            .dock-btn {
                display: none;
            }
            .service-card .card-img {
                height: 140px;
            }
            .hero-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --brand: #c8a96a;
            --brand-dark: #a9873f;
            --brand-light: #e9d9b5;
            --ink: #12151f;
            --ink-2: #1c2130;
            --bg: #f6f4ef;
            --text: #1c2130;
            --text-muted: #6c7180;
            --border: rgba(18, 21, 31, 0.08);
            --card-shadow: 0 12px 32px rgba(18, 21, 31, 0.07);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        ::selection {
            background: rgba(200, 169, 106, 0.28);
            color: var(--ink);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(200, 169, 106, 0.5);
            outline-offset: 2px;
            border-radius: 8px;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 16px 20px 0;
            pointer-events: none;
        }
        .dock-nav {
            pointer-events: auto;
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(15, 18, 28, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 60px;
            padding: 10px 14px 10px 22px;
            box-shadow: 0 16px 50px rgba(0, 0, 0, 0.28);
        }
        .dock-logo {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #ffffff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .dock-logo em {
            font-style: normal;
            color: var(--brand);
            font-weight: 700;
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 40px;
            padding: 5px;
        }
        .dock-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            padding: 7px 16px;
            border-radius: 32px;
            transition: all 0.25s ease;
        }
        .dock-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.09);
        }
        .dock-links a.active {
            color: var(--ink);
            background: linear-gradient(135deg, #dcc084, #c8a96a);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(200, 169, 106, 0.35);
        }
        .dock-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: #ffffff;
            background: linear-gradient(135deg, #c9a96a, #a9873f);
            padding: 8px 18px;
            border-radius: 30px;
            white-space: nowrap;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(200, 169, 106, 0.3);
        }
        .dock-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 169, 106, 0.42);
            color: #ffffff;
        }
        .dock-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #ffffff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            font-size: 14px;
            align-items: center;
            justify-content: center;
            transition: background 0.25s;
            flex-shrink: 0;
        }
        .dock-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }
        .dock-mobile {
            display: none;
            pointer-events: auto;
            max-width: 720px;
            margin: 8px auto 0;
            background: rgba(15, 18, 28, 0.97);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 18px;
            padding: 12px;
            box-shadow: 0 16px 50px rgba(0, 0, 0, 0.32);
            opacity: 0;
            visibility: hidden;
            max-height: 0;
            overflow: hidden;
            transform: translateY(-8px);
            transition: all 0.32s ease;
        }
        .dock-mobile.open {
            opacity: 1;
            visibility: visible;
            max-height: 320px;
            transform: translateY(0);
            pointer-events: auto;
        }
        .dock-mobile a {
            display: block;
            color: rgba(255, 255, 255, 0.8);
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .dock-mobile a:hover,
        .dock-mobile a.active {
            background: rgba(255, 255, 255, 0.08);
            color: var(--brand);
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            background: #10131c;
            padding: 150px 0 96px;
            overflow: hidden;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.38;
        }
        .article-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(125deg, rgba(10, 12, 18, 0.92) 0%, rgba(16, 19, 28, 0.68) 55%, rgba(16, 19, 28, 0.4) 100%);
        }
        .article-hero-inner {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            color: #ffffff;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.52);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.52);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.85);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 169, 106, 0.16);
            border: 1px solid rgba(200, 169, 106, 0.34);
            color: #e9d9b5;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 22px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            letter-spacing: 0.02em;
        }
        .article-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: 0.01em;
            margin: 0 auto 22px;
            max-width: 760px;
            text-wrap: balance;
        }
        .article-hero-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
        }
        .article-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .article-hero-meta i {
            color: var(--brand);
        }

        /* ===== 文章正文区 ===== */
        .article-section {
            padding: 52px 0 76px;
        }
        .article-card {
            max-width: 860px;
            margin: -40px auto 0;
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: 48px 56px;
            position: relative;
            border: 1px solid var(--border);
        }
        .article-content {
            font-size: 16.5px;
            line-height: 1.9;
            color: #2b3040;
        }
        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 36px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--brand);
            color: var(--ink);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 21px;
            font-weight: 700;
            margin: 28px 0 12px;
            color: var(--ink);
        }
        .article-content p {
            margin: 16px 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }
        .article-content li {
            margin: 8px 0;
        }
        .article-content ul li::marker {
            color: var(--brand);
        }
        .article-content blockquote {
            border-left: 3px solid var(--brand);
            background: rgba(200, 169, 106, 0.08);
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            font-style: italic;
            color: #4a4f5e;
        }
        .article-content img {
            border-radius: 14px;
            margin: 24px 0;
            box-shadow: var(--card-shadow);
        }
        .article-content a {
            color: #a9873f;
            font-weight: 500;
            border-bottom: 1px solid rgba(169, 135, 63, 0.3);
        }
        .article-content a:hover {
            border-bottom-color: #a9873f;
        }
        .article-divider {
            border-top: 1px solid rgba(18, 21, 31, 0.08);
            margin: 40px 0 24px;
        }
        .article-footer-zone {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            background: rgba(200, 169, 106, 0.12);
            color: #8f6f3a;
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 30px;
            border: 1px solid rgba(200, 169, 106, 0.22);
        }
        .article-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 22px;
            border-radius: 40px;
            border: none;
            transition: all 0.28s ease;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, #d1b072, #b08d4a);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(176, 141, 74, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(176, 141, 74, 0.4);
            color: #ffffff;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(18, 21, 31, 0.16);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: rgba(18, 21, 31, 0.42);
            background: rgba(18, 21, 31, 0.04);
            transform: translateY(-2px);
            color: var(--text);
        }
        .btn-light {
            background: #ffffff;
            color: var(--ink);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.26);
            color: var(--ink);
        }

        /* ===== 未找到卡片 ===== */
        .not-found-card {
            max-width: 620px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            padding: 56px 40px;
            text-align: center;
            border: 1px solid var(--border);
        }
        .not-found-icon {
            width: 68px;
            height: 68px;
            margin: 0 auto 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 169, 106, 0.14);
            border-radius: 50%;
            color: var(--brand);
            font-size: 26px;
        }
        .not-found-card h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 15px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 72px 0 84px;
            background: linear-gradient(180deg, #f6f4ef 0%, #efece4 100%);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: #b08d4a;
            background: rgba(176, 141, 74, 0.1);
            padding: 5px 16px;
            border-radius: 30px;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
            margin: 0;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #8f6f3a;
            transition: all 0.25s;
            padding-bottom: 4px;
            border-bottom: 1px solid transparent;
        }
        .link-more:hover {
            color: #b08d4a;
            border-bottom-color: #b08d4a;
            gap: 12px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: #ffffff;
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid rgba(18, 21, 31, 0.06);
            box-shadow: 0 6px 20px rgba(18, 21, 31, 0.05);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 44px rgba(18, 21, 31, 0.12);
            border-color: rgba(200, 169, 106, 0.32);
        }
        .related-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }
        .img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 12, 18, 0.72);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            color: #e9d9b5;
            border: 1px solid rgba(255, 255, 255, 0.14);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            letter-spacing: 0.03em;
        }
        .related-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s;
        }
        .related-card:hover .related-card-body h3 {
            color: #b08d4a;
        }
        .related-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: auto;
            font-size: 13px;
            color: #9a9aa8;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            color: #8f6f3a;
            font-size: 13px;
            transition: gap 0.25s, color 0.25s;
        }
        .related-card:hover .read-more {
            gap: 9px;
            color: #b08d4a;
        }

        /* ===== 服务能力条 ===== */
        .feature-strip {
            padding: 70px 0;
            background: var(--ink);
            position: relative;
            overflow: hidden;
        }
        .feature-strip::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(200, 169, 106, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 10px 0;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 169, 106, 0.14);
            border: 1px solid rgba(200, 169, 106, 0.24);
            border-radius: 14px;
            color: var(--brand);
            font-size: 20px;
        }
        .feature-item h4 {
            color: #ffffff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .feature-item p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .faq-section .section-head {
            justify-content: center;
            text-align: center;
            flex-direction: column;
            align-items: center;
        }
        .faq-grid {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--card-shadow);
            border-color: rgba(200, 169, 106, 0.36);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--ink);
            list-style: none;
            transition: color 0.2s;
        }
        .faq-item summary:hover {
            color: #b08d4a;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--brand);
            transition: transform 0.32s ease;
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item details[open] summary i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 22px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-answer p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(18, 21, 31, 0.95), rgba(18, 21, 31, 0.74));
        }
        .cta-inner {
            position: relative;
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            color: #ffffff;
        }
        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.62);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0d1017;
            color: rgba(255, 255, 255, 0.6);
            padding: 70px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 46px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-logo {
            font-size: 21px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .footer-logo em {
            font-style: normal;
            color: var(--brand);
            font-weight: 700;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
            max-width: 300px;
            margin: 0;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: all 0.25s;
        }
        .footer-col a:hover {
            color: var(--brand);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-contact i {
            color: var(--brand);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 24px 0 28px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        /* ===== Toast ===== */
        .toast-msg {
            position: fixed;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            background: rgba(18, 21, 31, 0.94);
            color: #ffffff;
            padding: 10px 22px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            z-index: 9999;
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
        }
        .toast-msg.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid {
                gap: 20px;
            }
            .article-card {
                padding: 40px;
            }
        }
        @media (max-width: 768px) {
            .article-hero {
                padding: 132px 0 78px;
            }
            .article-hero h1 {
                font-size: 29px;
            }
            .article-section {
                padding: 40px 0 54px;
            }
            .article-card {
                margin: -30px 0 0;
                border-radius: 16px;
                padding: 32px 26px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .section-head h2 {
                font-size: 25px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .cta-section {
                padding: 72px 0;
            }
        }
        @media (max-width: 640px) {
            .dock-links,
            .dock-cta {
                display: none;
            }
            .dock-toggle {
                display: inline-flex;
            }
            .dock-mobile {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .article-hero {
                padding: 116px 0 62px;
            }
            .article-hero h1 {
                font-size: 23px;
            }
            .article-hero-meta {
                gap: 12px;
                font-size: 12.5px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-footer-zone {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 18px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }