/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0b3b60;
  --primary-dark: #072a47;
  --primary-light: #e8f1f7;
  --accent: #c9973a;
  --accent-dark: #a87e2a;
  --accent-light: #f7efe0;
  --text: #1e2a36;
  --text-weak: #5f6e7a;
  --bg: #f5f8fa;
  --surface: #ffffff;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 12px 32px rgba(11, 59, 96, 0.08);
  --shadow-md: 0 24px 48px rgba(11, 59, 96, 0.12);
  --space: 96px;
  --space-md: 72px;
  --space-sm: 48px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; transition: color .25s ease; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input, textarea, select { font-family: inherit; font-size: 16px; }

ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 通用板块 ===== */
.section {
  padding: var(--space) 0;
  position: relative;
}

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

.section-white { background: var(--surface); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-md);
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(201, 151, 58, .25);
  border-radius: 999px;
  padding: 5px 18px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: -0.5px;
}

.section-head h2 .highlight { color: var(--accent); }

.section-head p {
  margin-top: 14px;
  font-size: 16px;
  color: var(--text-weak);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: 999px;
  transition: all .3s cubic-bezier(.4, 0, .2, 1);
  box-shadow: 0 4px 14px rgba(11, 59, 96, .12);
}

.btn i { font-size: 14px; transition: transform .3s; }

.btn:hover i { transform: translateX(4px); }

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(11, 59, 96, .22);
}

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .4);
  box-shadow: none;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .2);
  border-color: rgba(255, 255, 255, .8);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(201, 151, 58, .3);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(11, 59, 96, .05);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(0, 0, 0, .04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(11, 59, 96, .25);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
  line-height: 1.3;
  white-space: nowrap;
}

.header-search {
  flex: 1;
  max-width: 420px;
  margin: 0 8px;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 0 6px 0 18px;
  height: 44px;
  transition: border-color .3s, box-shadow .3s, background .3s;
}

.search-form:focus-within {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(201, 151, 58, .12);
}

.search-form i {
  color: var(--text-weak);
  font-size: 14px;
  margin-right: 10px;
}

.search-form input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  color: var(--text);
  font-size: 14px;
  padding: 10px 0;
}

.search-form input::placeholder { color: #93a4b1; }

.search-form button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}

.search-form button:hover { background: var(--accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  position: relative;
  transition: all .3s;
}

.nav-link:hover { color: var(--primary); background: rgba(11, 59, 96, .05); }

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0px;
  width: 22px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  align-items: center;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all .3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }

.nav-toggle.active span:nth-child(2) { opacity: 0; }

.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单面板 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 16px 32px rgba(0, 0, 0, .08);
  padding: 20px 24px 28px;
  z-index: 999;
}

.mobile-nav.open { display: block; animation: slideDown .3s ease; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav .search-form { margin-bottom: 18px; }

.mobile-link {
  display: block;
  padding: 13px 12px;
  font-size: 15px;
  color: var(--text);
  border-radius: 10px;
  transition: all .3s;
}

.mobile-link + .mobile-link { margin-top: 4px; }

.mobile-link:hover { background: var(--primary-light); color: var(--primary); }

.mobile-link.active { background: var(--accent-light); color: var(--accent-dark); font-weight: 600; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(7, 42, 71, .94) 0%, rgba(11, 59, 96, .84) 50%, rgba(16, 73, 119, .78) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .04);
  top: -280px;
  right: -180px;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(201, 151, 58, .08);
  bottom: -160px;
  left: 8%;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff;
  font-size: 13px;
  letter-spacing: 1.5px;
  border-radius: 999px;
  padding: 7px 20px;
  margin-bottom: 26px;
}

.hero-badge i { color: var(--accent); }

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
}

.hero .hero-slogan {
  font-size: 24px;
  font-weight: 400;
  color: #e8d5b0;
  letter-spacing: 6px;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.9;
  max-width: 680px;
  margin: 0 auto 36px;
  color: rgba(255, 255, 255, .85);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 公司简介 / 核心价值 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.intro-text .lead {
  font-size: 18px;
  line-height: 1.9;
  color: var(--primary);
  font-weight: 500;
  border-left: 4px solid var(--accent);
  padding-left: 20px;
  margin-bottom: 20px;
}

.intro-text p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-weak);
  margin-bottom: 14px;
}

.intro-list {
  margin-top: 24px;
}

.intro-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
}

.intro-list i {
  color: var(--accent);
  font-size: 18px;
  margin-top: 2px;
}

.value-cards {
  display: grid;
  gap: 18px;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  box-shadow: var(--shadow);
  transition: all .35s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 59, 96, .15);
}

.value-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 20px;
  flex-shrink: 0;
}

.value-icon.blue { background: var(--primary-light); color: var(--primary); }

.value-icon.gold { background: var(--accent-light); color: var(--accent); }

.value-icon.green { background: #e7f4eb; color: #2a8a55; }

.value-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.value-card p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 分类入口卡片 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  display: block;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all .4s cubic-bezier(.4, 0, .2, 1);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 59, 96, .1);
}

.category-card:hover .category-img img { transform: scale(1.05); }

.category-img {
  height: 190px;
  overflow: hidden;
  position: relative;
}

.category-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.category-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(7, 42, 71, .35) 100%);
}

.category-info { padding: 24px; position: relative; }

.category-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.category-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.category-info p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 16px;
}

.category-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.category-more i { transition: transform .3s; }

.category-card:hover .category-more i { transform: translateX(4px); }

/* ===== 业务特色（图文交替） ===== */
.feature-wrap { display: grid; gap: 28px; }

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  align-items: center;
}

.feature-row.reverse .feature-media { order: 2; }

.feature-row.reverse .feature-content { order: 1; }

.feature-media {
  min-height: 300px;
  max-height: 380px;
  overflow: hidden;
  position: relative;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s ease;
}

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

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 60%, rgba(7, 42, 71, .12));
}

.feature-content {
  padding: 44px 48px;
}

.feature-content .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-dark);
  background: var(--accent-light);
  border-radius: 999px;
  padding: 4px 16px;
  margin-bottom: 16px;
}

.feature-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: .5px;
  margin-bottom: 14px;
}

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

.feature-points { list-style: none; }

.feature-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 6px 0;
  color: var(--text);
}

.feature-points li i {
  color: var(--accent);
  font-size: 14px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-light);
}

/* ===== 资讯列表 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  transition: all .4s ease;
  min-height: 220px;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 151, 58, .35);
}

.news-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 3px 14px;
  margin-bottom: 14px;
}

.news-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--primary-dark);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.news-date {
  font-size: 13px;
  color: var(--text-weak);
}

.news-arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  transition: all .3s;
}

.news-card:hover .news-arrow {
  background: var(--accent);
  color: #fff;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  color: var(--text-weak);
  font-size: 15px;
}

/* ===== 数据统计 ===== */
.stats-block {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #165a91 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
}

.stats-block::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .06);
  top: -180px;
  right: -120px;
}

.stats-block::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .05);
  bottom: -110px;
  left: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 6px;
  color: #fff;
  letter-spacing: -1px;
}

.stat-number span { color: var(--accent); }

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  letter-spacing: 1px;
}

/* ===== 流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all .35s ease;
}

.process-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.process-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(11, 59, 96, .25);
}

.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.75;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .35s ease;
}

.faq-item:hover { border-color: rgba(201, 151, 58, .4); }

.faq-item.active {
  border-color: rgba(11, 59, 96, .18);
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-dark);
  text-align: left;
  transition: all .3s;
}

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

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 400;
  transition: all .3s;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.9;
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

.faq-answer-inner {
  padding: 0 26px 24px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-wrap {
  background: linear-gradient(135deg, rgba(7, 42, 71, .94), rgba(11, 59, 96, .88)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-radius: 20px;
  padding: 70px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-wrap::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 50%;
  top: -120px;
  right: -80px;
}

.cta-wrap h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.cta-wrap p {
  font-size: 16px;
  color: rgba(255, 255, 255, .8);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-contact {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 15px;
}

.cta-contact span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  padding: 8px 20px;
  border-radius: 999px;
  color: rgba(255, 255, 255, .9);
}

.cta-contact i { color: var(--accent); }

/* ===== 页脚 ===== */
.site-footer {
  background: #082338;
  color: rgba(255, 255, 255, .75);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}

.footer-brand .logo-mark {
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 4px 14px rgba(201, 151, 58, .25);
}

.footer-brand .footer-desc {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .6);
  max-width: 320px;
  margin-top: 8px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .5px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  transition: color .3s, padding-left .3s;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
}

.footer-contact i {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  color: var(--accent);
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  text-align: center;
  color: rgba(255, 255, 255, .35);
  font-size: 13px;
}

.footer-bottom p + p { margin-top: 4px; }

/* ===== 焦点状态 & 可访问性 ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(201, 151, 58, .5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
  .container { padding: 0 32px; }
  .industry-card-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { gap: 16px; }
  .stat-number { font-size: 36px; }
}

@media (max-width: 1024px) {
  :root { --space: 72px; --space-md: 48px; }

  .site-nav { display: none; }

  .nav-toggle { display: flex; }

  .header-search { display: none; }

  .mobile-nav { display: block; }

  .mobile-nav .header-search { display: block; max-width: none; }

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

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

  .feature-row {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse .feature-media { order: 1; }

  .feature-row.reverse .feature-content { order: 2; }

  .feature-media { min-height: 240px; max-height: none; }

  .feature-content { padding: 32px; }

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

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }

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

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

  .hero { padding: 84px 0 72px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .section-head h2 { font-size: 28px; }

  .hero h1 { font-size: 34px; }

  .hero .hero-slogan { font-size: 19px; letter-spacing: 3px; }

  .category-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .news-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }

  .stats-block { padding: 40px 24px; }

  .process-grid { max-width: 440px; margin: 0 auto; }

  .cta-wrap { padding: 48px 24px; }

  .hero-buttons .btn { width: 100%; justify-content: center; }
}

@media (max-width: 520px) {
  :root { --space: 56px; --space-md: 36px; }

  .container { padding: 0 16px; }

  .logo-text { font-size: 15px; }

  .logo-mark { width: 36px; height: 36px; font-size: 17px; }

  .hero { padding: 64px 0 52px; }

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

  .section-head p { font-size: 15px; }

  .value-card { padding: 20px; flex-direction: column; gap: 12px; }

  .feature-content { padding: 24px; }

  .feature-content h3 { font-size: 20px; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

  .stat-number { font-size: 30px; }

  .process-step { padding: 28px 18px; }

  .faq-question { padding: 16px 18px; font-size: 14px; }

  .faq-answer-inner { padding: 0 18px 20px; }

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

  .footer-bottom { font-size: 12px; }

  .mobile-nav { padding: 16px 16px 24px; }

  .mobile-link { font-size: 14px; }

  .search-form { height: 42px; }

  .btn { padding: 12px 24px; font-size: 14px; }
}

/* roulang page: article */
:root{
  --primary:#1e3a5f;
  --primary-dark:#14293f;
  --primary-light:#2d5b8d;
  --accent:#c8a45e;
  --accent-light:#e8d5a8;
  --accent-dark:#a9853f;
  --bg:#f7f6f3;
  --bg-white:#ffffff;
  --bg-soft:#f0eeea;
  --text:#1e293b;
  --text-weak:#64748b;
  --border:#e2e8f0;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 10px 40px rgba(15,23,42,.06);
  --shadow-hover:0 20px 56px rgba(15,23,42,.12);
  --container:1240px;
  --header-height:76px;
  --space-section:100px;
  --space-section-md:70px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
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{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 32px;border-radius:50px;font-size:15px;font-weight:600;transition:all .3s var(--ease);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);box-shadow:0 10px 30px rgba(200,164,94,.3);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-dark);box-shadow:0 10px 30px rgba(30,58,95,.25);transform:translateY(-2px)}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.section-title{font-size:32px;line-height:1.3;font-weight:700;color:var(--primary);letter-spacing:-.5px}
.section-desc{font-size:16px;color:var(--text-weak);max-width:620px;margin-top:14px;line-height:1.8}
.section-head{text-align:center;margin-bottom:56px}
.section-head .section-desc{margin-left:auto;margin-right:auto}
/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,240,.7);box-shadow:0 1px 20px rgba(15,23,42,.04)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-height)}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:46px;height:46px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff;box-shadow:0 6px 16px rgba(30,58,95,.25)}
.logo-text{font-size:17px;font-weight:700;color:var(--primary);letter-spacing:.5px;white-space:nowrap}
.header-search{flex:1;max-width:440px;margin:0 auto}
.search-form{display:flex;align-items:center;background:var(--bg-soft);border-radius:50px;padding:4px 6px 4px 18px;border:2px solid transparent;transition:border-color .3s,background .3s,box-shadow .3s}
.search-form:focus-within{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(200,164,94,.12)}
.search-form i.fa-search{color:var(--text-weak);font-size:14px}
.search-form input{flex:1;border:none;background:transparent;padding:10px 10px 10px 12px;font-size:14px;color:var(--text);min-width:0}
.search-form input::placeholder{color:var(--text-weak)}
.search-form button{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .3s,transform .2s}
.search-form button:hover{background:var(--primary-light);transform:scale(1.05)}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;padding:8px 16px;border-radius:30px;font-size:14px;font-weight:500;color:var(--text);transition:all .25s var(--ease);position:relative}
.nav-link:hover{color:var(--primary);background:rgba(30,58,95,.06)}
.nav-link.active{color:var(--primary);background:rgba(30,58,95,.08);font-weight:600}
.nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--accent)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:var(--bg-soft);transition:background .3s}
.nav-toggle:hover{background:var(--border)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:transform .3s,opacity .3s}
/* Banner */
.article-banner{position:relative;min-height:360px;display:flex;align-items:center;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.article-banner .banner-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(20,41,63,.93) 0%,rgba(30,58,95,.82) 45%,rgba(30,58,95,.55) 100%)}
.banner-content{position:relative;z-index:2;padding:60px 0;max-width:900px}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:28px}
.breadcrumb a{color:rgba(255,255,255,.65);transition:color .3s}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.35)}
.breadcrumb span{color:rgba(255,255,255,.85)}
.banner-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(200,164,94,.18);border:1px solid rgba(200,164,94,.35);backdrop-filter:blur(6px);color:var(--accent-light);padding:6px 16px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:16px}
.banner-title h1{font-size:38px;line-height:1.3;font-weight:700;letter-spacing:-.5px;text-shadow:0 2px 20px rgba(0,0,0,.15)}
/* Main Layout */
.article-main{background:var(--bg);padding:70px 0 var(--space-section)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:40px;align-items:start}
.article-body{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:48px 52px;min-height:400px}
/* Article Meta */
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-bottom:24px;margin-bottom:28px;border-bottom:1px solid var(--border);color:var(--text-weak);font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--accent)}
/* Article Content */
.article-content{font-size:16px;line-height:1.85;color:var(--text)}
.article-content p{margin:0 0 1.3em}
.article-content h2{font-size:24px;font-weight:700;color:var(--primary);margin:40px 0 16px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.article-content h3{font-size:20px;font-weight:600;color:var(--primary);margin:32px 0 14px}
.article-content img{border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow)}
.article-content ul,.article-content ol{margin:0 0 1.4em 1.6em}
.article-content ul li{list-style:disc;margin-bottom:8px}
.article-content ol li{list-style:decimal;margin-bottom:8px}
.article-content blockquote{border-left:4px solid var(--accent);background:#faf7f1;padding:18px 24px;margin:28px 0;border-radius:0 10px 10px 0;color:var(--text-weak);font-style:italic}
.article-content table{width:100%;border-collapse:collapse;margin:28px 0}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.article-content th{background:var(--bg-soft);font-weight:600}
.article-content a{color:var(--primary-light);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent-dark)}
/* Tags */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;background:var(--bg-soft);border-radius:30px;font-size:13px;color:var(--text-weak);transition:all .25s var(--ease)}
.tag i{font-size:11px;color:var(--accent)}
.tag:hover{background:rgba(30,58,95,.08);color:var(--primary)}
.article-footer-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-weak);transition:color .3s}
.back-link:hover{color:var(--primary)}
/* Not Found */
.not-found{text-align:center;padding:60px 24px;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.not-found i{font-size:64px;color:var(--border);margin-bottom:28px}
.not-found h2{font-size:28px;color:var(--primary);margin-bottom:12px}
.not-found p{color:var(--text-weak);margin-bottom:32px}
/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:28px;position:sticky;top:calc(var(--header-height) + 24px)}
.sidebar-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;transition:box-shadow .3s var(--ease)}
.sidebar-card:hover{box-shadow:var(--shadow-hover)}
.sidebar-title{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--bg-soft);display:flex;align-items:center;gap:10px}
.sidebar-title i{color:var(--accent);font-size:15px}
.sidebar-search .search-form{background:var(--bg-soft)}
.sidebar-cats{display:flex;flex-direction:column;gap:4px}
.sidebar-cat{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:10px;font-size:14px;color:var(--text);transition:all .3s var(--ease);border-left:3px solid transparent}
.sidebar-cat:hover{background:var(--bg-soft);border-left-color:var(--accent);color:var(--primary)}
.sidebar-cat i{font-size:12px;color:var(--text-weak);transition:transform .3s}
.sidebar-cat:hover i{transform:translateX(4px);color:var(--accent)}
.sidebar-about{text-align:center}
.sidebar-about img{width:100%;height:150px;object-fit:cover;border-radius:12px;margin-bottom:18px}
.sidebar-about h3{font-size:16px;color:var(--primary);margin-bottom:8px}
.sidebar-about p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:18px}
.sidebar-btn{width:100%}
.sidebar-contact ul{display:flex;flex-direction:column;gap:14px}
.sidebar-contact li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--text-weak);line-height:1.6}
.sidebar-contact li i{color:var(--accent);font-size:15px;margin-top:4px;width:18px;text-align:center}
/* Related */
.related-posts{background:#fff;border-top:1px solid var(--border);padding:var(--space-section) 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.related-card{display:block;background:var(--bg-white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .35s var(--ease);box-shadow:0 4px 16px rgba(15,23,42,.03)}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.related-thumb{position:relative;height:190px;overflow:hidden;background:var(--bg-soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,23,42,.12));opacity:0;transition:opacity .4s}
.related-card:hover .related-thumb::after{opacity:1}
.related-info{padding:22px 24px 26px}
.related-cat{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent-dark);background:rgba(200,164,94,.1);border-radius:20px;padding:4px 14px;margin-bottom:12px}
.related-info h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .3s}
.related-card:hover .related-info h3{color:var(--primary)}
.related-info time{font-size:13px;color:var(--text-weak);display:flex;align-items:center;gap:6px}
.related-info time i{font-size:11px}
/* CTA */
.cta-section{position:relative;padding:90px 0;background:var(--primary) url('/assets/images/backpic/back-3.png') center/cover no-repeat;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(20,41,63,.82)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:700px;margin:0 auto;color:#fff}
.cta-inner .section-eyebrow{color:var(--accent-light)}
.cta-inner h2{font-size:32px;line-height:1.35;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.75);font-size:16px;margin-bottom:36px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo-mark{width:42px;height:42px;font-size:19px;margin-bottom:18px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:20px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.6);transition:all .3s;display:inline-flex;align-items:center;gap:8px}
.footer-links a::before{content:'';width:0;height:2px;background:var(--accent);transition:width .3s}
.footer-links a:hover::before{width:14px}
.footer-links a:hover{color:#fff;padding-left:2px}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.55)}
.footer-contact i{color:var(--accent);width:16px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 0;font-size:13px;color:rgba(255,255,255,.4);flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.45)}
/* Mobile Nav Panel */
.mobile-nav-overlay{display:none}
/* Responsive */
@media(max-width:1100px){
  .header-inner{gap:16px}
  .logo-text{font-size:15px}
  .site-nav .nav-link{padding:8px 12px;font-size:13px}
}
@media(max-width:992px){
  :root{--space-section:70px}
  .site-nav{display:none;position:fixed;top:var(--header-height);right:0;bottom:0;width:280px;background:#fff;box-shadow:-20px 0 60px rgba(15,23,42,.12);flex-direction:column;align-items:stretch;padding:32px 24px;gap:8px;z-index:99;border-radius:20px 0 0 20px;overflow-y:auto}
  .site-nav.open{display:flex}
  .nav-link{padding:14px 20px;border-radius:12px;font-size:15px}
  .nav-link.active{background:var(--bg-soft)}
  .nav-toggle{display:flex;margin-left:auto}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar-card{flex:1;min-width:260px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;height:auto}
  .logo-text{font-size:14px}
  .header-search{order:3;flex-basis:100%;max-width:none;margin:10px 0 0}
  .banner-title h1{font-size:28px}
  .article-banner{min-height:300px}
  .article-body{padding:32px 24px}
  .article-meta{gap:12px 18px}
  .article-content{font-size:15px}
  .sidebar-card{min-width:100%}
  .related-grid{grid-template-columns:1fr;gap:20px}
  .cta-section{padding:70px 0}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(max-width:520px){
  :root{--space-section:56px}
  .container{padding:0 18px}
  .logo-text{font-size:13px;max-width:140px;overflow:hidden;text-overflow:ellipsis}
  .logo-mark{width:38px;height:38px;font-size:17px;border-radius:10px}
  .search-form button{width:34px;height:34px}
  .section-title{font-size:26px}
  .section-desc{font-size:14px}
  .banner-title h1{font-size:23px}
  .banner-content{padding:48px 0}
  .breadcrumb{font-size:12px}
  .btn{padding:12px 26px;font-size:14px}
  .article-body{padding:24px 18px}
  .article-meta{font-size:13px}
  .article-content h2{font-size:21px}
  .article-content h3{font-size:18px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .related-thumb{height:150px}
}

/* roulang page: category1 */
:root {
  --primary: #1e3a5f;
  --primary-dark: #142c4a;
  --primary-light: #2a4a73;
  --accent: #c9a15a;
  --accent-soft: #f0e6d0;
  --accent-dark: #b58d4a;
  --bg: #f6f8fb;
  --bg-white: #ffffff;
  --bg-dark: #12233a;
  --text: #1c2533;
  --text-muted: #64748b;
  --border: #e1e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(20, 35, 60, 0.08);
  --shadow-lg: 0 16px 40px rgba(20, 35, 60, 0.14);
  --transition: all 0.3s ease;
  --section-pad: 80px;
  --container: 1200px;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 14px 24px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25); }
.logo-text { font-size: 18px; font-weight: 700; color: var(--text); white-space: nowrap; letter-spacing: 0.5px; }
.header-search { flex: 1; max-width: 520px; margin: 0 auto; }
.search-form { position: relative; display: flex; align-items: center; }
.search-form > .fa-search { position: absolute; left: 16px; color: var(--text-muted); font-size: 14px; pointer-events: none; }
.search-form input { width: 100%; height: 42px; border: 1px solid var(--border); border-radius: 999px; padding: 0 48px 0 42px; font-size: 14px; background: var(--bg); color: var(--text); transition: var(--transition); }
.search-form input::placeholder { color: #94a3b8; }
.search-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201, 161, 90, 0.18); background: #fff; }
.search-form button { position: absolute; right: 4px; width: 34px; height: 34px; border: none; border-radius: 50%; background: var(--primary); color: #fff; cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.search-form button:hover { background: var(--accent); transform: scale(1.05); }
.search-form button:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.site-nav { display: flex; gap: 4px; flex-shrink: 0; }
.nav-link { padding: 8px 18px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-muted); transition: var(--transition); }
.nav-link:hover { color: var(--primary); background: var(--accent-soft); }
.nav-link.active { color: #fff; background: var(--primary); box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25); }
.nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Page Hero */
.page-hero { position: relative; padding: 84px 0 64px; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; color: #fff; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 30, 55, 0.92), rgba(20, 45, 75, 0.72)); }
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-bottom: 20px; }
.breadcrumb a { color: rgba(255, 255, 255, 0.7); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: 0.5; font-size: 12px; }
.breadcrumb .current { color: var(--accent); }
.page-title { font-size: 42px; font-weight: 800; line-height: 1.2; letter-spacing: 2px; margin-bottom: 16px; }
.page-subtitle { font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, 0.88); max-width: 680px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 44px; padding-top: 34px; border-top: 1px solid rgba(255, 255, 255, 0.15); max-width: 640px; }
.hero-stat .num { font-size: 30px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.hero-stat .label { font-size: 14px; color: rgba(255, 255, 255, 0.75); margin-top: 4px; }

/* Sections */
.section { padding: var(--section-pad) 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-tag { display: inline-block; padding: 5px 16px; background: var(--accent-soft); color: var(--primary); border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 14px; letter-spacing: 1px; }
.section-title { font-size: 32px; font-weight: 800; line-height: 1.3; color: var(--text); margin-bottom: 12px; letter-spacing: 0.5px; }
.section-subtitle { font-size: 16px; color: var(--text-muted); line-height: 1.8; }

/* Intro */
.intro-section { background: var(--bg-white); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.intro-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.intro-media img { width: 100%; height: 420px; object-fit: cover; transition: transform 0.5s ease; }
.intro-media:hover img { transform: scale(1.03); }
.intro-media .badge { position: absolute; left: 20px; bottom: 20px; background: rgba(20, 35, 60, 0.88); color: #fff; padding: 10px 20px; border-radius: 999px; font-size: 13px; backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, 0.2); }
.intro-text h3 { font-size: 25px; font-weight: 700; margin-bottom: 18px; line-height: 1.5; color: var(--text); }
.intro-text p { font-size: 15px; line-height: 2; color: var(--text-muted); margin-bottom: 16px; }
.intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag { padding: 6px 16px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.tag:hover { border-color: var(--accent); color: var(--primary); background: var(--accent-soft); }

/* Timeline */
.timeline-section { background: var(--bg); }
.timeline-wrap { position: relative; max-width: 900px; margin: 0 auto; }
.timeline-wrap::before { content: ''; position: absolute; left: 50%; transform: translateX(-50%); top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--accent), var(--border) 30%, var(--border) 70%, var(--accent)); }
.timeline-item { position: relative; width: 50%; padding: 0 44px 52px; }
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; text-align: left; }
.timeline-dot { position: absolute; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--accent); }
.timeline-item:nth-child(odd) .timeline-dot { right: -7px; }
.timeline-item:nth-child(even) .timeline-dot { left: -7px; }
.timeline-phase { display: inline-block; padding: 3px 14px; background: var(--primary); color: #fff; border-radius: 999px; font-size: 12px; letter-spacing: 1px; margin-bottom: 12px; }
.timeline-card { background: var(--bg-white); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.timeline-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(201, 161, 90, 0.4); }
.timeline-card h4 { font-size: 19px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.timeline-card p { font-size: 14px; line-height: 1.8; color: var(--text-muted); }

/* Culture */
.culture-section { background: var(--bg-white); }
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.culture-card { text-align: center; padding: 40px 24px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); transition: var(--transition); }
.culture-card:hover { transform: translateY(-6px); background: #fff; box-shadow: var(--shadow-lg); border-color: rgba(201, 161, 90, 0.35); }
.culture-icon { width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 18px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; box-shadow: 0 8px 20px rgba(30, 58, 95, 0.25); }
.culture-card h4 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.culture-card p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

/* Advantage */
.advantage-section { background: var(--bg-dark); color: #fff; position: relative; overflow: hidden; }
.advantage-section::before { content: ''; position: absolute; top: -120px; right: -120px; width: 420px; height: 420px; border-radius: 50%; background: rgba(201, 161, 90, 0.08); }
.advantage-section .section-tag { background: rgba(201, 161, 90, 0.16); color: var(--accent); }
.advantage-section .section-title { color: #fff; }
.advantage-section .section-subtitle { color: rgba(255, 255, 255, 0.65); }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 2; }
.advantage-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius); padding: 36px 28px; backdrop-filter: blur(8px); transition: var(--transition); }
.advantage-card:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-6px); border-color: rgba(201, 161, 90, 0.45); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3); }
.advantage-num { font-size: 34px; font-weight: 800; color: var(--accent); opacity: 0.55; margin-bottom: 14px; line-height: 1; }
.advantage-card h4 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: #fff; }
.advantage-card p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.68); }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(201, 161, 90, 0.5); box-shadow: var(--shadow); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); list-style: none; user-select: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--radius-sm); }
.faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; color: var(--primary); transition: var(--transition); font-size: 13px; }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { padding: 0 24px 22px; color: var(--text-muted); font-size: 15px; line-height: 1.9; }

/* CTA */
.cta-section { padding: 84px 0; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: 0.12; }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 700px; margin: 0 auto; color: #fff; }
.cta-inner h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; letter-spacing: 1px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, 0.8); margin-bottom: 30px; line-height: 1.8; }
.cta-btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 34px; border-radius: 999px; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201, 161, 90, 0.4); }
.btn-accent:focus-visible { outline: 3px solid rgba(201, 161, 90, 0.4); outline-offset: 2px; }
.btn-outline { border: 1px solid rgba(255, 255, 255, 0.65); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.btn-outline:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.3); outline-offset: 2px; }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 44px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand .logo-mark { margin-bottom: 18px; }
.footer-desc { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, 0.55); max-width: 340px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; letter-spacing: 0.5px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; font-size: 14px; color: rgba(255, 255, 255, 0.55); }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: 13px; color: rgba(255, 255, 255, 0.35); flex-wrap: wrap; gap: 8px; }

/* Responsive */
@media (max-width: 1024px) {
  .header-search { max-width: 340px; }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-wrap::before { left: 20px; transform: none; }
  .timeline-item, .timeline-item:nth-child(odd), .timeline-item:nth-child(even) { width: 100%; left: 0; padding: 0 0 40px 60px; text-align: left; }
  .timeline-item:nth-child(odd) .timeline-dot, .timeline-item:nth-child(even) .timeline-dot { left: 13px; right: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-pad: 56px; }
  .header-inner { flex-wrap: wrap; gap: 12px; }
  .header-search { order: 3; max-width: 100%; flex-basis: 100%; }
  .site-nav { position: fixed; top: 0; right: -280px; width: 260px; height: 100vh; background: #fff; flex-direction: column; padding: 90px 28px 30px; box-shadow: var(--shadow-lg); transition: right 0.35s ease; align-items: stretch; z-index: 99; border-left: 1px solid var(--border); }
  .site-nav.open { right: 0; }
  .site-nav .nav-link { padding: 12px 18px; border-radius: 10px; font-size: 15px; }
  .nav-toggle { display: flex; margin-left: auto; }
  .page-hero { padding: 64px 0 48px; }
  .page-title { font-size: 32px; }
  .hero-stats { grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
  .hero-stat .num { font-size: 24px; }
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .intro-media img { height: 300px; }
  .section-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 520px) {
  .culture-grid, .advantage-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 26px; }
  .section-title { font-size: 22px; }
  .hero-stats { grid-template-columns: 1fr; gap: 18px; }
  .hero-stat .num { font-size: 26px; }
  .cta-btn-group { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .logo-text { font-size: 15px; }
  .logo-mark { width: 36px; height: 36px; font-size: 17px; }
}

/* roulang page: category2 */
:root {
    --primary: #1a3a2f;
    --primary-light: #2b5a4a;
    --accent: #c8a96a;
    --accent-light: #e2cfa3;
    --bg: #f7f5f0;
    --bg-alt: #eef0ec;
    --white: #ffffff;
    --text: #22332c;
    --text-weak: #5e6e66;
    --border: #e2e4de;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(26, 58, 47, 0.08);
    --shadow-hover: 0 16px 40px rgba(26, 58, 47, 0.14);
    --transition: all 0.3s ease;
    --container: 1200px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

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

  button,
  input {
    font-family: inherit;
    border: none;
    background: none;
  }

  ul,
  ol {
    list-style: none;
  }

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
  }

  .header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

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

  .logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 4px 14px rgba(26, 58, 47, 0.25);
  }

  .logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    white-space: nowrap;
  }

  .header-search {
    flex: 1;
    max-width: 420px;
    margin: 0 auto;
  }

  .search-form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 8px 6px 18px;
    transition: var(--transition);
  }

  .search-form:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.18);
    background: var(--white);
  }

  .search-form i.fa-search {
    color: var(--text-weak);
    font-size: 14px;
    margin-right: 12px;
  }

  .search-form input {
    flex: 1;
    font-size: 14px;
    color: var(--text);
    outline: none;
    padding: 6px 0;
    background: transparent;
  }

  .search-form input::placeholder {
    color: #9aa5a0;
  }

  .search-form button {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
  }

  .search-form button:hover {
    background: var(--primary-light);
    transform: scale(1.05);
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
  }

  .nav-link {
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-weak);
    border-radius: 999px;
    transition: var(--transition);
  }

  .nav-link:hover {
    color: var(--primary);
    background: var(--bg-alt);
  }

  .nav-link.active {
    color: var(--primary);
    background: rgba(26, 58, 47, 0.08);
    font-weight: 600;
  }

  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
  }

  .nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
  }

  /* Hero */
  .page-hero {
    position: relative;
    padding: 100px 0 80px;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    text-align: center;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 58, 47, 0.92), rgba(43, 90, 74, 0.78));
  }

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

  .page-hero .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 20px;
    border-radius: 999px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
  }

  .page-hero h1 {
    font-size: 52px;
    line-height: 1.2;
    color: #fff;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 18px;
  }

  .page-hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
  }

  .hero-breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
  }

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

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

  /* Section base */
  .section {
    padding: 90px 0;
  }

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

  .section-head {
    text-align: center;
    margin-bottom: 56px;
  }

  .section-head .section-eyebrow {
    display: inline-block;
    background: rgba(200, 169, 106, 0.14);
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 20px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .section-head h2 {
    font-size: 36px;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 1px;
    line-height: 1.3;
  }

  .section-head .section-sub {
    font-size: 16px;
    color: var(--text-weak);
    max-width: 600px;
    margin: 16px auto 0;
    line-height: 1.7;
  }

  /* Category cards */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .category-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
  }

  .category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
  }

  .category-card .card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
  }

  .category-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .category-card:hover .card-img img {
    transform: scale(1.05);
  }

  .category-card .card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 58, 47, 0.55), transparent 60%);
  }

  .category-card .card-body {
    padding: 28px 28px 30px;
  }

  .category-card .card-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(200, 169, 106, 0.1);
    border-radius: 999px;
    padding: 4px 14px;
    margin-bottom: 12px;
    letter-spacing: 1px;
  }

  .category-card h3 {
    font-size: 20px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 10px;
  }

  .category-card p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 18px;
  }

  .card-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
  }

  .card-more i {
    transition: transform 0.3s ease;
    font-size: 12px;
  }

  .category-card:hover .card-more i {
    transform: translateX(4px);
  }

  /* Stats band */
  .stats-band {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 80px 0;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
  }

  .stat-item {
    color: #fff;
  }

  .stat-item .stat-num {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(to right, var(--accent-light), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .stat-item .stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 8px;
    letter-spacing: 1px;
  }

  /* Business flow */
  .flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    counter-reset: flow;
  }

  .flow-item {
    text-align: center;
    padding: 36px 28px;
    position: relative;
  }

  .flow-item::before {
    counter-increment: flow;
    content: counter(flow, decimal-leading-zero);
    display: block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 16px;
  }

  .flow-item .icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: rgba(200, 169, 106, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
  }

  .flow-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
  }

  .flow-item p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
  }

  .flow-arrow {
    position: absolute;
    top: 50%;
    right: -16px;
    color: var(--accent);
    font-size: 14px;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-light);
    z-index: 2;
  }

  .flow-item:last-child .flow-arrow {
    display: none;
  }

  /* Advantage area */
  .advantage-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }

  .advantage-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
  }

  .advantage-img img {
    width: 100%;
    height: 420px;
    object-fit: cover;
  }

  .advantage-img::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 58, 47, 0.35), transparent 50%);
    z-index: 1;
  }

  .advantage-img .img-caption {
    position: absolute;
    z-index: 2;
    bottom: 24px;
    left: 24px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
  }

  .advantage-content .list-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    padding: 22px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
  }

  .advantage-content .list-item:hover {
    box-shadow: var(--shadow);
    border-color: transparent;
  }

  .advantage-content .list-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
  }

  .advantage-content .list-text h3 {
    font-size: 17px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 4px;
  }

  .advantage-content .list-text p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.6;
  }

  /* Data table area */
  .table-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .table-inner {
    overflow-x: auto;
  }

  .data-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
  }

  .data-table th {
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    padding: 16px 24px;
    white-space: nowrap;
  }

  .data-table td {
    padding: 16px 24px;
    font-size: 14px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
  }

  .data-table tr:last-child td {
    border-bottom: none;
  }

  .data-table tbody tr {
    transition: background 0.2s ease;
  }

  .data-table tbody tr:hover {
    background: rgba(200, 169, 106, 0.06);
  }

  .data-table .tag {
    display: inline-block;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 600;
  }

  .tag-special {
    background: rgba(200, 169, 106, 0.15);
    color: var(--accent);
  }

  .tag-core {
    background: rgba(26, 58, 47, 0.1);
    color: var(--primary);
  }

  /* FAQ */
  .faq-list {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: var(--accent);
  }

  .faq-item summary {
    padding: 22px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: color 0.3s ease;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "\f067";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    color: var(--accent);
    flex-shrink: 0;
    transition: transform 0.3s ease;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
  }

  .faq-item[open] summary {
    color: var(--primary);
  }

  .faq-item .faq-answer {
    padding: 0 28px 24px;
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.8;
  }

  /* CTA */
  .cta-band {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
  }

  .cta-band::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
  }

  .cta-band::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -50px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: rgba(200, 169, 106, 0.1);
  }

  .cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 2;
  }

  .cta-text h2 {
    font-size: 32px;
    color: #fff;
    font-weight: 800;
    margin-bottom: 12px;
  }

  .cta-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
  }

  .cta-btn-group {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    background: #fff;
    transition: var(--transition);
    border: 2px solid #fff;
  }

  .btn-primary:hover {
    background: transparent;
    color: #fff;
    transform: translateY(-2px);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    background: transparent;
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    transform: translateY(-2px);
  }

  /* Footer */
  .site-footer {
    background: #142b23;
    padding: 70px 0 30px;
    color: rgba(255, 255, 255, 0.7);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-brand .logo-mark {
    background: #fff;
    color: var(--primary);
    margin-bottom: 16px;
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    max-width: 340px;
  }

  .footer-col h4 {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: var(--accent-light);
    padding-left: 6px;
  }

  .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
  }

  .footer-contact i {
    color: var(--accent);
    font-size: 13px;
    width: 18px;
    text-align: center;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .header-search {
      max-width: 260px;
    }

    .nav-link {
      padding: 8px 12px;
      font-size: 14px;
    }

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

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

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

    .flow-arrow {
      display: none;
    }

    .advantage-layout {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .cta-inner {
      flex-direction: column;
      text-align: center;
    }
  }

  @media (max-width: 768px) {
    .header-inner {
      flex-wrap: wrap;
      gap: 12px;
    }

    .header-search {
      order: 3;
      max-width: 100%;
      width: 100%;
    }

    .site-nav {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--white);
      flex-direction: column;
      padding: 16px 24px;
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

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

    .nav-link {
      display: block;
      width: 100%;
      text-align: left;
      padding: 12px 16px;
    }

    .nav-toggle {
      display: flex;
      margin-left: auto;
    }

    .page-hero {
      padding: 70px 0 56px;
    }

    .page-hero h1 {
      font-size: 36px;
    }

    .page-hero p {
      font-size: 16px;
    }

    .section {
      padding: 60px 0;
    }

    .section-head h2 {
      font-size: 28px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 40px;
      padding-bottom: 36px;
    }

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

  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }

    .logo-text {
      font-size: 15px;
    }

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

    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .stat-item .stat-num {
      font-size: 40px;
    }

    .cat-card-title {
      font-size: 18px;
    }

    .btn-primary,
    .btn-outline {
      width: 100%;
      justify-content: center;
    }

    .cta-btn-group {
      flex-direction: column;
      width: 100%;
    }

    .advantage-content .list-item {
      flex-direction: column;
      padding: 18px;
    }
  }

/* roulang page: category3 */
:root {
            --primary: #0f2b46;
            --primary-light: #16395c;
            --primary-dark: #091d30;
            --accent: #d4a853;
            --accent-light: #e8c987;
            --accent-deep: #b8893a;
            --bg: #f5f6f8;
            --surface: #ffffff;
            --text: #1d2733;
            --text-weak: #65758d;
            --text-light: #93a4b8;
            --border: #e3e8ee;
            --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 43, 70, 0.10);
            --shadow-lg: 0 20px 50px rgba(15, 43, 70, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 32px;
            --space-lg: 56px;
            --space-xl: 88px;
            --container: 1200px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.4, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }

        input, textarea, select {
            font-family: inherit;
            font-size: 1rem;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-deep);
            background: rgba(212, 168, 83, 0.12);
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-dark);
            letter-spacing: -0.02em;
        }

        .section-desc {
            margin-top: 16px;
            font-size: 16px;
            color: var(--text-weak);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
        }

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

        .btn-primary:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            transform: translateY(-3px);
        }

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

        .btn-light:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 43, 70, 0.02);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 14px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(15, 43, 70, 0.2);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .header-search {
            flex: 1;
            max-width: 480px;
            margin: 0 auto;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: #f0f2f5;
            border: 2px solid transparent;
            border-radius: 100px;
            padding: 5px 6px 5px 18px;
            transition: var(--transition);
        }

        .search-form:focus-within {
            background: #fff;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.14);
        }

        .search-form > i {
            color: var(--text-weak);
            font-size: 14px;
        }

        .search-form input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text);
            min-width: 0;
        }

        .search-form input::placeholder {
            color: var(--text-light);
        }

        .search-form button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .search-form button:hover {
            background: var(--accent);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-link {
            padding: 9px 16px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link:hover {
            background: #f0f2f5;
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 43, 70, 0.2);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            background: #f0f2f5;
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Page Hero */
        .page-hero {
            background: linear-gradient(120deg, rgba(9, 29, 48, 0.94), rgba(15, 43, 70, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 72px 0 80px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            filter: blur(20px);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
        }

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

        .hero-breadcrumb i {
            font-size: 12px;
        }

        .hero-title {
            font-size: clamp(30px, 4.5vw, 50px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-title span {
            color: var(--accent-light);
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
        }

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

        .hero-info-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            min-width: 260px;
            flex-shrink: 0;
        }

        .hero-info-card .info-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .hero-info-card .info-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1.2;
        }

        .hero-info-card .info-desc {
            margin-top: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding-top: 12px;
        }

        /* Updates Section */
        .updates-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 44px;
        }

        .filter-btn {
            padding: 9px 22px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            background: #fff;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .filter-btn:hover {
            border-color: var(--accent);
            color: var(--accent-deep);
        }

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(15, 43, 70, 0.2);
        }

        .updates-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .dynamic-card {
            display: flex;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .dynamic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(212, 168, 83, 0.4);
        }

        .dynamic-card .card-cover {
            width: 280px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .dynamic-card .card-cover img {
            width: 100%;
            height: 100%;
            min-height: 220px;
            transition: transform 0.5s ease;
        }

        .dynamic-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: 100px;
            background: rgba(15, 43, 70, 0.85);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .dynamic-card .card-body {
            padding: 26px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .card-meta {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 10px;
        }

        .card-meta i {
            color: var(--accent);
        }

        .dynamic-card h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .dynamic-card h3 a {
            color: var(--text);
        }

        .dynamic-card h3 a:hover {
            color: var(--accent-deep);
        }

        .dynamic-card .card-desc {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .card-more i {
            transition: transform 0.3s ease;
        }

        .card-more:hover {
            color: var(--accent-deep);
        }

        .card-more:hover i {
            transform: translateX(5px);
        }

        /* Stats Section */
        .stats-section {
            background: linear-gradient(rgba(9, 29, 48, 0.9), rgba(9, 29, 48, 0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 36px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.2;
        }

        .stat-label {
            margin-top: 10px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Timeline Section */
        .timeline-section {
            padding: 80px 0;
            background: var(--surface);
        }

        .timeline {
            max-width: 820px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), var(--primary));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.2);
        }

        .timeline-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-deep);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .timeline-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Tags Section */
        .tags-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 100px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text);
            transition: var(--transition);
        }

        .tag-item i {
            color: var(--accent);
            font-size: 12px;
        }

        .tag-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .tag-item:hover i {
            color: var(--accent-light);
        }

        /* FAQ Section */
        .faq-section {
            padding: 80px 0;
            background: var(--surface);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            background: #fff;
            border-color: rgba(212, 168, 83, 0.4);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            width: 100%;
            text-align: left;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.16);
            color: var(--accent-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: transform 0.4s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 26px 24px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(120deg, var(--primary-dark), var(--primary-light)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .cta-title {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-desc {
            max-width: 580px;
            margin: 0 auto 32px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 50px;
        }

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

        .footer-desc {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
            margin-top: 14px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .dynamic-card .card-cover {
                width: 240px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 992px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
                padding: 12px 0;
            }

            .logo {
                flex: 1;
            }

            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
            }

            .site-nav {
                order: 4;
                flex-basis: 100%;
                display: none;
                flex-direction: column;
                gap: 4px;
                padding: 12px 0;
                border-top: 1px solid var(--border);
                margin-top: 4px;
            }

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

            .site-nav .nav-link {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-toggle.open {
                background: rgba(15, 43, 70, 0.08);
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .page-hero {
                padding: 52px 0 60px;
            }

            .page-hero .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-info-card {
                width: 100%;
                min-width: 0;
            }

            .updates-section,
            .timeline-section,
            .tags-section,
            .faq-section,
            .cta-section {
                padding: 60px 0;
            }

            .update-card {
                flex-direction: column;
            }

            .updates-list {
                padding: 0 12px;
            }

            .dynamic-card {
                flex-direction: column;
            }

            .dynamic-card .card-cover {
                width: 100%;
                height: 200px;
            }

            .dynamic-card .card-body {
                padding: 22px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 36px;
            }

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

            .stat-num {
                font-size: 34px;
            }
        }

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

            .logo-text {
                font-size: 16px;
            }

            .hero-title {
                font-size: 28px;
            }

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

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .filter-bar {
                gap: 8px;
            }

            .filter-btn {
                padding: 8px 16px;
                font-size: 13px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 24px 14px;
            }

            .stat-num {
                font-size: 28px;
            }

            .timeline {
                padding-left: 28px;
            }

            .timeline::before {
                left: 8px;
            }

            .timeline-item::before {
                left: -22px;
                width: 10px;
                height: 10px;
            }

            .tag-item {
                padding: 8px 16px;
                font-size: 13px;
            }

            .faq-question {
                padding: 17px 18px;
                font-size: 15px;
            }

            .faq-answer p {
                padding: 0 18px 20px;
                font-size: 14px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .footer-contact li {
                font-size: 14px;
            }
        }