/* roulang page: index */
:root {
  --primary: #13263c;
  --primary-dark: #0b1826;
  --primary-light: #1c3857;
  --accent: #d4a43e;
  --accent-light: #e8bc5d;
  --accent-dark: #b8892e;
  --bg: #f6f7fb;
  --bg-light: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 10px 30px rgba(19, 38, 60, 0.06);
  --shadow-hover: 0 18px 44px rgba(19, 38, 60, 0.12);
  --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.22);
  --max-width: 1200px;
  --spacing: 24px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}
ul, ol {
  list-style: none;
}
input {
  font-family: inherit;
  outline: none;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-padding {
  padding: 96px 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 30px;
  background: rgba(212, 164, 62, 0.12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.section-subtitle {
  margin-top: 14px;
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #111;
  box-shadow: 0 8px 20px rgba(212, 164, 62, 0.3);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(212, 164, 62, 0.4);
}
.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-sm {
  padding: 9px 22px;
  font-size: 14px;
}
.btn-block {
  width: 100%;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 24, 38, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.35s ease, box-shadow 0.35s ease;
}
.site-header.scrolled {
  background: rgba(11, 24, 38, 0.96);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}
.brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.01em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand i {
  color: var(--accent);
  font-size: 22px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  position: relative;
  padding: 9px 16px;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  border-radius: 8px;
  transition: color 0.25s ease, background 0.25s ease;
}
.main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.main-nav a.active {
  color: var(--accent-light);
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  width: 180px;
  height: 38px;
  padding: 0 14px 0 36px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 14px;
  transition: all 0.3s ease;
}
.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
.search-box input:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.14);
  width: 220px;
}
.search-box i {
  position: absolute;
  left: 13px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
}
.hero {
  position: relative;
  display: flex;
  min-height: 720px;
  background: var(--primary-dark);
  overflow: hidden;
}
.hero-content {
  flex: 0 0 55%;
  display: flex;
  align-items: center;
  padding: 110px 5% 80px;
  color: #fff;
  background: linear-gradient(135deg, #0b1826 0%, #13263c 70%, #1a3050 100%);
  position: relative;
  z-index: 2;
}
.hero-content-inner {
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 30px;
  background: rgba(212, 164, 62, 0.15);
  border: 1px solid rgba(212, 164, 62, 0.35);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero-badge i {
  font-size: 12px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(120deg, #fff 30%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p.lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}
.hero-meta i {
  color: var(--accent);
}
.hero-visual {
  flex: 1;
  position: relative;
  min-height: 560px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 24, 38, 0.75) 0%, rgba(11, 24, 38, 0) 60%);
  z-index: 1;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11, 24, 38, 0.4) 0%, transparent 50%);
  z-index: 1;
}
.hero-stat-card {
  position: absolute;
  bottom: 48px;
  right: 48px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 22px 28px;
  color: #fff;
  box-shadow: var(--shadow-dark);
  max-width: 260px;
}
.hero-stat-card .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 1px;
}
.hero-stat-card .stat-value {
  font-size: 32px;
  font-weight: 900;
  margin: 4px 0;
  color: var(--accent-light);
}
.hero-stat-card .stat-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}
.stats-board {
  background: var(--primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 48px 0;
}
.stat-item {
  text-align: center;
  color: #fff;
  padding: 20px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, transform 0.3s ease;
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
}
.stat-item i {
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 12px;
}
.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.features-section {
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(212, 164, 62, 0.15), rgba(212, 164, 62, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-dark);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
.category-section {
  background: var(--bg-light);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--primary-dark);
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: opacity 0.4s ease, transform 0.6s ease;
}
.category-card:hover img {
  opacity: 0.35;
  transform: scale(1.05);
}
.category-overlay {
  position: relative;
  z-index: 2;
  padding: 32px;
  width: 100%;
  background: linear-gradient(0deg, rgba(11, 24, 38, 0.9) 0%, rgba(11, 24, 38, 0.4) 80%);
  color: #fff;
}
.category-overlay .cat-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  background: var(--accent);
  color: #111;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.category-overlay h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}
.category-overlay p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 16px;
  line-height: 1.6;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-light);
}
.category-link i {
  transition: transform 0.25s ease;
}
.category-card:hover .category-link i {
  transform: translateX(4px);
}
.news-section {
  background: var(--bg);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-light);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(212, 164, 62, 0.3);
}
.news-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.news-cat {
  padding: 3px 14px;
  border-radius: 20px;
  background: rgba(212, 164, 62, 0.12);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
}
.news-date {
  font-size: 13px;
  color: var(--text-weak);
}
.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 10px;
}
.news-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-read-more i {
  transition: transform 0.25s ease;
}
.news-card:hover .news-read-more i {
  transform: translateX(4px);
}
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  background: var(--bg-light);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  color: var(--text-weak);
  font-size: 15px;
}
.process-section {
  background: linear-gradient(135deg, #0b1826 0%, #13263c 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 164, 62, 0.4), transparent);
}
.process-section .section-title {
  color: #fff;
}
.process-section .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 34px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, rgba(212, 164, 62, 0.3), rgba(212, 164, 62, 0.8), rgba(212, 164, 62, 0.3));
  border-radius: 2px;
}
.process-step {
  position: relative;
  text-align: center;
  z-index: 2;
  padding: 0 8px;
}
.step-num {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #111;
  font-size: 22px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(212, 164, 62, 0.4);
  border: 4px solid rgba(255, 255, 255, 0.15);
}
.process-step h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}
.ranking-section {
  background: var(--bg);
}
.ranking-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.ranking-board {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 32px;
}
.ranking-board-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.ranking-board-title h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
}
.ranking-board-title span {
  font-size: 12px;
  color: var(--text-weak);
  background: var(--bg);
  padding: 4px 12px;
  border-radius: 20px;
}
.ranking-item {
  display: grid;
  grid-template-columns: 44px 1fr 80px;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.ranking-item:last-child {
  border-bottom: none;
}
.rank-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 900;
  color: #111;
}
.rank-1 .rank-badge {
  background: linear-gradient(135deg, #f5c842, #f0a830);
  box-shadow: 0 4px 12px rgba(240, 168, 48, 0.4);
}
.rank-2 .rank-badge {
  background: linear-gradient(135deg, #c0c8d4, #a8b4c4);
  box-shadow: 0 4px 12px rgba(168, 180, 196, 0.4);
}
.rank-3 .rank-badge {
  background: linear-gradient(135deg, #d68a5e, #c07650);
  box-shadow: 0 4px 12px rgba(192, 118, 80, 0.4);
}
.rank-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
}
.rank-score {
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-dark);
  text-align: right;
}
.rank-bar {
  grid-column: 2 / -1;
  height: 6px;
  border-radius: 6px;
  background: var(--bg);
  overflow: hidden;
}
.rank-bar span {
  display: block;
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
}
.ranking-intro h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.ranking-intro p {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  margin-bottom: 24px;
}
.ranking-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.ranking-tags span {
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(212, 164, 62, 0.1);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
}
.faq-section {
  background: var(--bg-light);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  background: var(--bg-light);
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(212, 164, 62, 0.3);
  box-shadow: var(--shadow);
}
.faq-item.open {
  border-color: rgba(212, 164, 62, 0.5);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  text-align: left;
  background: transparent;
  transition: color 0.3s ease;
}
.faq-question:hover {
  color: var(--accent-dark);
}
.faq-question i {
  font-size: 14px;
  color: var(--text-weak);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
  color: var(--accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 28px;
  transition: max-height 0.4s ease, padding 0.4s ease;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px solid transparent;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 28px 24px;
  border-top-color: var(--border);
}
.cta-section {
  background: linear-gradient(135deg, rgba(11, 24, 38, 0.92), rgba(19, 38, 60, 0.85)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 100px 0;
  color: #fff;
  text-align: center;
}
.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-note {
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand h4 {
  font-size: 20px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}
.footer-col h5 {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.25s ease;
}
.footer-col a:hover {
  color: var(--accent-light);
}
.footer-col .contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 10px;
}
.footer-col .contact-item i {
  color: var(--accent);
  width: 16px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
@media (max-width: 1024px) {
  .hero {
    min-height: auto;
  }
  .hero-content {
    flex-basis: 60%;
    padding-left: 24px;
    padding-right: 24px;
  }
  .hero h1 {
    font-size: 38px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
  .process-grid::before {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ranking-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .search-box input {
    width: 140px;
  }
  .search-box input:focus {
    width: 180px;
  }
}
@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }
  .container {
    padding: 0 20px;
  }
  .site-header {
    background: rgba(11, 24, 38, 0.96);
  }
  .header-inner {
    height: 62px;
    gap: 10px;
  }
  .brand {
    font-size: 17px;
  }
  .brand i {
    font-size: 18px;
  }
  .main-nav {
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: rgba(11, 24, 38, 0.98);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 20px 20px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  }
  .main-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav a {
    padding: 13px 16px;
    font-size: 15px;
    border-radius: 10px;
  }
  .main-nav a.active::after {
    display: none;
  }
  .main-nav a.active {
    background: rgba(212, 164, 62, 0.15);
    color: var(--accent-light);
  }
  .nav-toggle {
    display: flex;
  }
  .search-box {
    display: none;
  }
  .hero {
    flex-direction: column;
  }
  .hero-content {
    flex-basis: auto;
    width: 100%;
    padding: 100px 20px 60px;
  }
  .hero-content-inner {
    max-width: 100%;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero p.lead {
    font-size: 15px;
  }
  .hero-visual {
    min-height: 320px;
    width: 100%;
  }
  .hero-visual::before {
    background: linear-gradient(0deg, rgba(11, 24, 38, 0.5), transparent);
  }
  .hero-stat-card {
    bottom: 20px;
    right: 20px;
    padding: 16px 20px;
    max-width: 220px;
  }
  .hero-stat-card .stat-value {
    font-size: 24px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 32px 0;
  }
  .stat-num {
    font-size: 26px;
  }
  .section-title {
    font-size: 26px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .category-card {
    min-height: 240px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .process-step {
    display: flex;
    align-items: center;
    gap: 18px;
    text-align: left;
  }
  .step-num {
    margin: 0;
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    font-size: 18px;
  }
  .process-step h4 {
    margin-bottom: 4px;
  }
  .process-step p {
    font-size: 13px;
  }
  .ranking-board {
    padding: 24px;
  }
  .cta-inner h2 {
    font-size: 28px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-actions .btn {
    width: 100%;
  }
}
@media (max-width: 520px) {
  .brand {
    font-size: 15px;
  }
  .hero h1 {
    font-size: 27px;
  }
  .hero-meta {
    gap: 14px;
  }
  .hero-meta span {
    font-size: 13px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .section-title {
    font-size: 23px;
  }
  .ranking-item {
    grid-template-columns: 36px 1fr 60px;
    gap: 8px;
  }
  .rank-name {
    font-size: 14px;
  }
  .rank-score {
    font-size: 14px;
  }
  .footer-bottom {
    font-size: 12px;
  }
}

/* roulang page: article */
:root{
  --primary:#0d1b2a;
  --primary-light:#16283e;
  --accent:#c9a96e;
  --accent-hover:#dcbb84;
  --accent-2:#4ba3c3;
  --accent-2-shadow:rgba(75,163,195,.25);
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#1a2333;
  --text-muted:#6b7688;
  --border:#e3e8f0;
  --border-light:#eef1f6;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 32px rgba(13,27,42,.08);
  --shadow-hover:0 14px 40px rgba(13,27,42,.14);
  --transition:.28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
img{max-width:100%;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit;outline:none}
ul,ol{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
.container-fluid{width:100%}

.header-btn,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:40px;font-weight:600;font-size:14px;padding:11px 26px;
  transition:all var(--transition);letter-spacing:.3px;
}
.btn-primary{
  background:var(--accent);color:#0d1b2a;box-shadow:0 4px 16px rgba(201,169,110,.28);
}
.btn-primary:hover{
  background:var(--accent-hover);transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(201,169,110,.36);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(201,169,110,.2)}
.btn-ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-block{width:100%}
.btn-lg{padding:15px 36px;font-size:16px}

.badge{
  display:inline-flex;align-items:center;gap:6px;background:rgba(201,169,110,.14);
  color:var(--accent);font-size:12px;font-weight:600;padding:5px 14px;border-radius:30px;
  letter-spacing:.5px;
}
.badge-dark{background:rgba(255,255,255,.1);color:#e8ecf2;border:1px solid rgba(255,255,255,.08)}

.tag-pill{
  display:inline-block;background:#f0f3f7;color:var(--text-muted);font-size:13px;
  padding:6px 16px;border-radius:30px;transition:all var(--transition);border:1px solid var(--border-light);
}
.tag-pill:hover{background:var(--accent);color:#0d1b2a;border-color:var(--accent);transform:translateY(-1px)}

.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(13,27,42,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.28)}
.header-inner{
  display:flex;align-items:center;gap:32px;height:72px;
}
.brand{
  display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;
  color:#fff;letter-spacing:.6px;white-space:nowrap;flex-shrink:0;
}
.brand i{color:var(--accent);font-size:22px}
.brand:hover{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:6px;flex:1}
.main-nav a{
  position:relative;padding:8px 16px;color:#b8c3d1;font-size:14px;font-weight:500;
  border-radius:30px;transition:all var(--transition);white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.main-nav a.active{color:var(--accent);background:rgba(201,169,110,.12);font-weight:600}
.main-nav a.active::after{
  content:'';position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;background:rgba(255,255,255,.08);
  border-radius:40px;padding:0 14px;height:40px;width:230px;gap:8px;
  border:1px solid rgba(255,255,255,.08);transition:all var(--transition);
}
.search-box i{color:#8a96a8;font-size:14px;flex-shrink:0}
.search-box input{
  background:transparent;border:none;color:#fff;font-size:13px;width:100%;height:100%;
}
.search-box input::placeholder{color:#8a96a8}
.search-box:focus-within{border-color:var(--accent);width:250px;background:rgba(255,255,255,.12)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;color:#fff;font-size:18px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  align-items:center;justify-content:center;transition:all var(--transition);
}
.nav-toggle:hover{background:var(--accent);color:#0d1b2a;border-color:var(--accent)}

.article-hero{
  position:relative;padding:110px 0 80px;color:#fff;
  background:linear-gradient(120deg,rgba(13,27,42,.92),rgba(13,27,42,.75),rgba(22,40,62,.55)),
  url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:3px solid var(--accent);
}
.article-hero::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.article-hero-inner{max-width:850px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(201,169,110,.18);
  border:1px solid rgba(201,169,110,.35);color:var(--accent);font-size:13px;font-weight:600;
  padding:7px 18px;border-radius:40px;margin-bottom:24px;letter-spacing:1px;
}
.article-hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.3;font-weight:800;letter-spacing:.5px;
  margin-bottom:26px;text-shadow:0 4px 20px rgba(0,0,0,.2);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:#c6ced8}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--accent)}
.hero-back{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:28px;color:#9aa8ba;
  font-size:13px;transition:color var(--transition);
}
.hero-back i{font-size:12px}
.hero-back:hover{color:var(--accent)}

.breadcrumb-bar{
  background:#fff;border-bottom:1px solid var(--border);padding:14px 0;
  font-size:13px;color:var(--text-muted);
}
.breadcrumb-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb-inner a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumb-inner a:hover{color:var(--accent)}
.breadcrumb-inner i{font-size:10px;color:#b8c3d1}

.article-main{padding:60px 0}
.article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:44px;
  align-items:start;
}
.article-card{
  background:var(--card);border-radius:var(--radius);padding:52px 56px;
  box-shadow:var(--shadow);border:1px solid var(--border-light);
  position:relative;
}
.article-card::before{
  content:'';position:absolute;top:0;left:56px;right:56px;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  border-radius:0 0 4px 4px;
}
.article-head{
  padding-bottom:30px;margin-bottom:36px;border-bottom:1px solid var(--border-light);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
}
.article-head-cat{
  display:inline-flex;align-items:center;gap:8px;background:rgba(75,163,195,.1);
  color:var(--accent-2);font-size:13px;font-weight:600;padding:6px 16px;border-radius:30px;
}
.article-head-date{color:var(--text-muted);font-size:13px;display:inline-flex;align-items:center;gap:7px}

.article-body{font-size:16px;line-height:1.95;color:#2a3345}
.article-body p{margin-bottom:1.35em}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--primary);margin:2em 0 .8em;line-height:1.4;
  padding-left:16px;border-left:4px solid var(--accent);
}
.article-body h3{
  font-size:20px;font-weight:700;color:var(--primary);margin:1.8em 0 .7em;
}
.article-body ul,.article-body ol{margin-bottom:1.5em;padding-left:1.4em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body blockquote{
  margin:1.8em 0;padding:20px 26px;background:#f8f9fc;border-radius:var(--radius-sm);
  border-left:4px solid var(--accent);color:var(--text-muted);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:1.8em 0;box-shadow:var(--shadow)}
.article-body a{color:var(--accent-2);border-bottom:1px solid transparent;transition:border-color var(--transition)}
.article-body a:hover{border-bottom-color:var(--accent-2)}
.article-body code{
  background:#f0f3f7;border-radius:5px;padding:2px 8px;font-size:.9em;color:#d36b5a;
}
.article-body pre{
  background:#0d1b2a;color:#e8ecf2;border-radius:var(--radius);padding:22px;overflow-x:auto;
  margin-bottom:1.5em;
}
.article-body pre code{background:transparent;color:inherit;padding:0}

.article-footer{
  margin-top:42px;padding-top:32px;border-top:1px solid var(--border-light);
  display:flex;flex-direction:column;gap:26px;
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.article-tags .label{font-size:14px;font-weight:600;color:var(--text-muted);margin-right:4px}
.article-share{display:flex;align-items:center;gap:10px}
.article-share .label{font-size:14px;font-weight:600;color:var(--text-muted);margin-right:8px}
.share-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:#f0f3f7;color:var(--text-muted);font-size:14px;transition:all var(--transition);
  border:1px solid transparent;
}
.share-btn:hover{background:var(--accent);color:#0d1b2a;transform:translateY(-3px);box-shadow:0 6px 16px rgba(201,169,110,.25)}

.sidebar{display:flex;flex-direction:column;gap:28px;position:sticky;top:96px}
.sidebar-card{
  background:var(--card);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);border:1px solid var(--border-light);
}
.sidebar-title{
  font-size:17px;font-weight:700;color:var(--primary);margin-bottom:20px;
  display:flex;align-items:center;gap:10px;letter-spacing:.3px;
}
.sidebar-title::after{content:'';flex:1;height:1px;background:var(--border)}
.sidebar-title i{color:var(--accent);font-size:16px}
.sidebar-list{display:flex;flex-direction:column}
.sidebar-list-item{
  display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border-light);
  transition:all var(--transition);align-items:center;
}
.sidebar-list-item:last-child{border-bottom:none}
.sidebar-list-item:hover .sidebar-item-title{color:var(--accent)}
.sidebar-item-thumb{
  width:68px;height:52px;border-radius:8px;object-fit:cover;flex-shrink:0;
  background:#f0f3f7;
}
.sidebar-item-info{overflow:hidden}
.sidebar-item-title{
  font-size:14px;font-weight:500;color:var(--text);line-height:1.5;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition);
}
.sidebar-item-date{font-size:12px;color:var(--text-muted);margin-top:5px}

.sidebar-cat{display:flex;flex-direction:column;gap:8px}
.sidebar-cat a{
  display:flex;align-items:center;justify-content:space-between;padding:13px 18px;
  background:#f8f9fc;border-radius:var(--radius-sm);font-size:14px;color:var(--text);
  border:1px solid transparent;transition:all var(--transition);font-weight:500;
}
.sidebar-cat a i{color:var(--accent);font-size:14px;transition:transform var(--transition)}
.sidebar-cat a:hover{background:var(--accent);color:#0d1b2a;border-color:var(--accent)}
.sidebar-cat a:hover i{transform:translateX(4px)}

.sidebar-cta{
  background:linear-gradient(135deg,#0d1b2a,#16283e);position:relative;overflow:hidden;
  color:#fff;border:none;
}
.sidebar-cta::after{
  content:'';position:absolute;top:-60px;right:-60px;width:140px;height:140px;
  background:radial-gradient(circle,rgba(201,169,110,.22),transparent 70%);
  border-radius:50%;
}
.sidebar-cta h4{
  font-size:18px;font-weight:700;margin-bottom:10px;color:var(--accent);position:relative;z-index:1;
}
.sidebar-cta p{font-size:13px;color:#b8c3d1;line-height:1.7;margin-bottom:20px;position:relative;z-index:1}

.related-section{padding:70px 0;background:#fff;border-top:1px solid var(--border)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:38px;flex-wrap:wrap;gap:16px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:13px;
  font-weight:700;letter-spacing:2px;margin-bottom:8px;
}
.section-head h2{font-size:28px;font-weight:800;color:var(--primary);letter-spacing:.3px}
.section-head p{color:var(--text-muted);font-size:14px;max-width:520px}
.related-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.related-card{
  background:var(--bg);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border-light);transition:all var(--transition);
  cursor:pointer;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.related-card-img{position:relative;height:170px;overflow:hidden}
.related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-card-img img{transform:scale(1.06)}
.related-card-img::after{
  content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(13,27,42,.35),transparent 40%);
}
.related-card-cat{
  position:absolute;left:14px;bottom:12px;z-index:2;background:rgba(201,169,110,.92);
  color:#0d1b2a;font-size:12px;font-weight:700;padding:5px 13px;border-radius:30px;
}
.related-card-body{padding:20px}
.related-card-title{
  font-size:15px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--transition);
}
.related-card:hover .related-card-title{color:var(--accent)}
.related-card-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-muted)}

.cta-section{
  position:relative;padding:90px 0;color:#fff;text-align:center;
  background:linear-gradient(120deg,rgba(13,27,42,.95),rgba(13,27,42,.85)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  background-attachment:fixed;
}
.cta-section h2{font-size:32px;font-weight:800;margin-bottom:16px;letter-spacing:.5px}
.cta-section p{font-size:16px;color:#b8c3d1;max-width:600px;margin:0 auto 36px;line-height:1.8}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

.site-footer{background:#0a1522;color:#8a96a8;padding-top:70px}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;padding-bottom:46px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.footer-brand h4{color:#fff;font-size:19px;margin-bottom:16px;display:flex;align-items:center}
.footer-brand h4 i{color:var(--accent);margin-right:8px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:360px;color:#6b7688}
.footer-col h5{color:#d6dde6;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:#6b7688;transition:all var(--transition);display:inline-flex;align-items:center;gap:7px}
.footer-col ul a::before{content:'›';color:var(--accent);font-size:15px}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.contact-item{display:flex;align-items:center;gap:10px;font-size:14px;color:#6b7688;margin-bottom:12px}
.contact-item i{color:var(--accent);font-size:14px}
.footer-bottom{
  padding:22px 0;text-align:center;font-size:13px;color:#566373;
  border-top:1px solid rgba(255,255,255,.04);
}
.footer-bottom a{color:#6b7688}
.footer-bottom a:hover{color:var(--accent)}

.empty-tip{
  text-align:center;padding:80px 40px;background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--border-light);
}
.empty-tip i{font-size:52px;color:var(--accent);margin-bottom:20px;display:block}
.empty-tip h2{font-size:24px;color:var(--primary);margin-bottom:12px}
.empty-tip p{color:var(--text-muted);margin-bottom:28px}

@media(max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:40px}
  .sidebar{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .header-inner{gap:16px}
  .search-box{width:170px}
  .search-box:focus-within{width:190px}
}
@media(max-width:768px){
  .site-header{position:relative}
  .header-inner{height:64px;flex-wrap:nowrap}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;background:var(--primary);
    flex-direction:column;align-items:stretch;padding:16px 6%;gap:4px;
    border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(-120%);
    transition:transform .4s cubic-bezier(.4,0,.2,1);z-index:999;box-shadow:0 20px 40px rgba(0,0,0,.2);
  }
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:12px 16px;border-radius:10px;text-align:center}
  .main-nav a.active::after{display:none}
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .header-actions .btn{display:none}
  .article-hero{padding:70px 0 50px}
  .article-card{padding:32px 26px}
  .article-card::before{left:26px;right:26px}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .cta-section h2{font-size:24px}
  .section-head h2{font-size:24px}
  .related-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .container{width:100%;padding:0 18px}
  .article-hero h1{font-size:26px}
  .hero-meta{flex-direction:column;gap:10px}
  .article-card{padding:26px 18px;border-radius:12px}
  .article-body{font-size:15px}
  .article-body h2{font-size:21px}
  .related-grid{grid-template-columns:1fr}
  .article-head{flex-direction:column;align-items:flex-start}
  .cta-buttons{flex-direction:column;align-items:center}
  .cta-buttons .btn{width:100%}
  .brand{font-size:17px}
}

/* roulang page: category1 */
:root {
  --primary: #0f2b4b;
  --primary-light: #1c3f66;
  --accent: #d9a83c;
  --accent-strong: #c09030;
  --accent-soft: #f5e7c8;
  --bg: #f4f6fa;
  --bg-white: #ffffff;
  --bg-dark: #0b1d33;
  --text: #182230;
  --text-secondary: #56657b;
  --text-muted: #8a98ad;
  --border: #e4e9f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 28px rgba(15, 43, 75, .08);
  --shadow-lg: 0 18px 44px rgba(15, 43, 75, .13);
  --header-h: 72px;
  --container-w: 1200px;
  --space: clamp(56px, 8vw, 96px);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input { font-family: inherit; }
ul, ol { list-style: none; }

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

.section { padding: var(--space) 0; }
.section-white { background: var(--bg-white); }
.section-alt { background: var(--bg); }
.section-dark { background: var(--bg-dark); color: #fff; }

.section-header {
  max-width: 720px;
  margin-bottom: 44px;
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.25; color: var(--text); font-weight: 800; }
.section-subtitle { font-size: 15px; color: var(--text-secondary); margin-top: 10px; line-height: 1.75; }
.section-dark .section-title { color: #fff; }
.section-dark .section-subtitle { color: rgba(255,255,255,.6); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }
.btn-primary { background: var(--accent); color: var(--primary); box-shadow: 0 6px 18px rgba(217,168,60,.34); }
.btn-primary:hover { background: #e2b84c; transform: translateY(-1px); box-shadow: 0 8px 22px rgba(217,168,60,.42); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; border: 1.5px solid var(--accent); color: var(--accent-strong); }
.btn-outline:hover { background: rgba(217,168,60,.1); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.22); color: #fff; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: var(--primary); }
.btn-accent:hover { background: #e2b84c; transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid rgba(217,168,60,.5); outline-offset: 2px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 29, 51, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
  position: relative;
}
.brand {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .5px;
  white-space: nowrap;
  transition: opacity .2s;
}
.brand i { color: var(--accent); margin-right: 8px; font-size: 22px; }
.brand:hover { opacity: .88; }
.main-nav { display: flex; align-items: center; gap: 6px; flex: 1; margin-left: 16px; }
.main-nav a {
  position: relative;
  color: rgba(255,255,255,.78);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.main-nav a.active { color: var(--accent); background: rgba(217,168,60,.12); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px;
  padding: 6px 14px;
  color: rgba(255,255,255,.6);
  width: 200px;
}
.search-box i { font-size: 13px; }
.search-box input {
  background: none;
  border: none;
  outline: none;
  color: #fff;
  width: 100%;
  font-size: 13px;
}
.search-box input::placeholder { color: rgba(255,255,255,.45); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 6px;
  line-height: 1;
}

/* 内页 Hero */
.page-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 64px 0;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(9, 26, 46, .94) 0%, rgba(9, 26, 46, .76) 45%, rgba(9, 26, 46, .42) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,.75); transition: color .2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: rgba(255,255,255,.35); }
.page-hero h1 { font-size: clamp(32px, 4.6vw, 48px); line-height: 1.15; font-weight: 800; margin-bottom: 16px; }
.page-hero h1 span { color: var(--accent); }
.page-hero .lead { font-size: 16px; line-height: 1.75; color: rgba(255,255,255,.78); max-width: 620px; }
.hero-stats { display: flex; gap: 40px; margin-top: 36px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 28px; color: var(--accent); font-weight: 800; line-height: 1.2; }
.hero-stat span { display: block; font-size: 13px; color: rgba(255,255,255,.58); margin-top: 2px; letter-spacing: .5px; }

/* 标签云 */
.section-tags { background: #fff; padding: 22px 0; border-bottom: 1px solid var(--border); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-item {
  padding: 8px 18px;
  border-radius: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .2s;
  user-select: none;
}
.tag-item:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.tag-item.active { background: var(--accent); border-color: var(--accent); color: var(--primary); box-shadow: 0 4px 14px rgba(217,168,60,.25); }

/* 精选卡片 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex;
  flex-direction: column;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #d3dbe7; }
.card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.article-card:hover .card-media img { transform: scale(1.04); }
.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 29, 51, .82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
}
.card-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-body h3 { font-size: 17px; line-height: 1.45; font-weight: 700; color: var(--text); transition: color .2s; }
.article-card:hover .card-body h3 { color: var(--primary-light); }
.card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.card-meta { display: flex; gap: 16px; margin-top: auto; padding-top: 12px; border-top: 1px solid #eef1f5; font-size: 13px; color: var(--text-muted); }
.card-meta i { margin-right: 5px; color: var(--accent); }

/* 阶段流程 */
.stage-flow { display: flex; align-items: stretch; gap: 0; margin-top: 48px; }
.stage-item {
  flex: 1;
  text-align: center;
  padding: 32px 20px 28px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  transition: background .3s, transform .3s, border-color .3s;
  position: relative;
}
.stage-item:hover { background: rgba(255,255,255,.12); transform: translateY(-4px); border-color: rgba(217,168,60,.35); }
.stage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(217,168,60,.15);
  border: 1px solid rgba(217,168,60,.4);
  border-radius: 14px;
  color: var(--accent);
  font-size: 20px;
}
.stage-item h3 { font-size: 16px; margin-bottom: 8px; color: #fff; }
.stage-item p { font-size: 13px; color: rgba(255,255,255,.58); line-height: 1.65; }
.stage-num { display: block; margin-top: 14px; font-size: 13px; font-weight: 800; color: rgba(217,168,60,.5); letter-spacing: 3px; }
.stage-line { width: 40px; flex-shrink: 0; display: flex; align-items: center; }
.stage-line::before {
  content: '';
  width: 100%;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(217,168,60,.5) 0 6px, transparent 6px 12px);
}

/* 排名榜 */
.rank-panel {
  max-width: 940px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 32px;
}
.rank-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.rank-header h2 { font-size: 24px; font-weight: 800; }
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: transform .2s, border-color .2s, background .2s, box-shadow .2s;
}
.rank-item:hover { transform: translateX(4px); border-color: var(--accent); background: #fff; box-shadow: var(--shadow); }
.rank-num { font-size: 20px; font-weight: 800; color: #b6c2d4; width: 40px; text-align: center; font-style: italic; }
.rank-top1 .rank-num { color: var(--accent); }
.rank-top2 .rank-num { color: #8fa6be; }
.rank-top3 .rank-num { color: #c8885a; }
.rank-info { flex: 1; }
.rank-info h3 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.rank-info span { font-size: 12px; color: var(--text-muted); }
.rank-score { font-size: 24px; font-weight: 800; color: var(--primary); text-align: right; line-height: 1.1; }
.rank-score span { display: block; font-size: 11px; font-weight: 600; color: var(--text-muted); letter-spacing: 1px; margin-top: 2px; }

/* 全量攻略列表 */
.list-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid #eef1f5;
  transition: background .2s;
}
.list-item:last-child { border-bottom: none; }
.list-item:hover { background: #fafbfd; }
.list-index { font-size: 15px; font-weight: 800; color: #c3cddb; width: 30px; text-align: center; }
.list-title { flex: 1; font-size: 15px; font-weight: 600; color: var(--text); transition: color .2s; }
.list-item:hover .list-title { color: var(--accent-strong); }
.list-tag { flex-shrink: 0; }
.badge { font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px; display: inline-block; }
.badge-gold { background: #fcf0da; color: #a6761c; }
.badge-blue { background: #e3edfc; color: #2563aa; }
.badge-purple { background: #efe7fc; color: #7a3fd0; }
.badge-green { background: #e1f5ea; color: #1a7f47; }
.list-meta { flex-shrink: 0; display: flex; align-items: center; gap: 18px; font-size: 13px; color: var(--text-muted); }
.list-meta i { margin-right: 4px; }

/* FAQ */
.faq-panel { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: box-shadow .2s, border-color .2s; }
.faq-item.open { border-color: var(--accent); box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: color .2s;
}
.faq-question:hover { color: var(--primary-light); }
.faq-question i { color: var(--accent); transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer p { padding: 0 20px 18px; font-size: 14px; line-height: 1.75; color: var(--text-secondary); }

/* CTA */
.cta-panel {
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  position: relative;
}
.cta-panel::before { content: ''; position: absolute; inset: 0; background: rgba(9,26,46,.74); border-radius: 20px; }
.cta-panel h2, .cta-panel p, .cta-actions { position: relative; z-index: 2; }
.cta-panel h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-panel p { color: rgba(255,255,255,.75); margin-bottom: 28px; font-size: 15px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.65); padding: 56px 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand h4 { color: #fff; font-size: 20px; margin-bottom: 14px; font-weight: 800; }
.footer-brand h4 i { margin-right: 6px; }
.footer-brand p { font-size: 14px; line-height: 1.75; max-width: 360px; color: rgba(255,255,255,.5); }
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 16px; font-weight: 700; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.58); font-size: 14px; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.58); margin-bottom: 10px; }
.contact-item i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }

/* 响应式 */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .stage-flow { flex-direction: column; gap: 16px; }
  .stage-line { display: none; }
  .search-box { width: 160px; }
  .container { padding-left: 20px; padding-right: 20px; }
}

@media (max-width: 768px) {
  :root { --space: 48px; }
  .header-inner { gap: 14px; }
  .brand { font-size: 17px; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #0e243f;
    padding: 12px 16px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid rgba(255,255,255,.08);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all .25s;
    z-index: 99;
    margin: 0;
  }
  .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { display: block; padding: 13px 14px; font-size: 15px; }
  .main-nav a.active::after { display: none; }
  .search-box { display: none; }
  .nav-toggle { display: inline-flex; }
  .page-hero { min-height: 400px; padding: 56px 0; }
  .hero-stats { gap: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .list-item { flex-wrap: wrap; padding: 16px; }
  .list-meta { width: 100%; padding-left: 46px; flex-wrap: wrap; gap: 12px; }
  .rank-item { flex-wrap: wrap; gap: 12px; }
  .rank-score { margin-left: auto; }
  .cta-panel { padding: 44px 24px; }
}

@media (max-width: 520px) {
  .header-actions .btn { display: none; }
  .header-inner { justify-content: space-between; }
  .brand { font-size: 15px; }
  .brand i { font-size: 18px; }
  .hero-stats { gap: 20px; }
  .hero-stat strong { font-size: 22px; }
  .section-header { margin-bottom: 32px; }
  .card-grid { gap: 16px; }
  .card-body h3 { font-size: 16px; }
  .list-index { display: none; }
  .list-meta { padding-left: 0; }
  .footer-top { gap: 24px; }
  .cta-panel h2 { font-size: 24px; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category2 */
:root {
  --primary: #141f3d;
  --primary-2: #1c2a52;
  --accent: #e8a33d;
  --accent-2: #f7c568;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #20263a;
  --text-light: #6b7280;
  --border: #e5eaf2;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow: 0 12px 34px rgba(20, 31, 61, .08);
  --shadow-sm: 0 4px 14px rgba(20, 31, 61, .06);
  --space: 80px;
  --transition: .3s ease;
}

* { 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: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
input { border: none; outline: none; font-family: inherit; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; font-weight: 600; font-size: .95rem; padding: 12px 24px; transition: all var(--transition); cursor: pointer; white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #d4883a); color: #fff; box-shadow: 0 6px 18px rgba(232, 163, 61, .25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(232, 163, 61, .35); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .35); color: #fff; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); background: rgba(232, 163, 61, .08); }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 6px 18px rgba(255, 255, 255, .18); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(255, 255, 255, .28); }
.btn-sm { padding: 8px 18px; font-size: .88rem; border-radius: 10px; }
.btn:focus-visible, .main-nav a:focus-visible, .nav-toggle:focus-visible, .faq-q:focus-visible, .rank-row:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(13, 19, 37, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { font-size: 1.3rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 10px; letter-spacing: .5px; white-space: nowrap; }
.brand i { color: var(--accent); font-size: 1.4rem; }
.main-nav { display: flex; gap: 6px; }
.main-nav a { color: rgba(255, 255, 255, .78); padding: 9px 18px; border-radius: 10px; font-size: .96rem; font-weight: 500; }
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.main-nav a.active { color: #fff; background: rgba(232, 163, 61, .16); box-shadow: inset 0 0 0 1px rgba(232, 163, 61, .35); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box { display: flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .12); border-radius: 999px; padding: 8px 16px; color: rgba(255, 255, 255, .7); }
.search-box input { background: transparent; color: #fff; width: 150px; font-size: .9rem; }
.search-box input::placeholder { color: rgba(255, 255, 255, .45); }
.nav-toggle { display: none; color: #fff; font-size: 1.3rem; width: 44px; height: 44px; border-radius: 10px; align-items: center; justify-content: center; background: rgba(255, 255, 255, .08); }

/* Hero */
.page-hero { position: relative; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(11, 17, 32, .94) 0%, rgba(11, 17, 32, .74) 50%, rgba(11, 17, 32, .42) 100%); }
.page-hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: linear-gradient(90deg, var(--accent), rgba(232, 163, 61, .15)); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; padding: 84px 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, .55); font-size: .86rem; margin-bottom: 22px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: .6rem; opacity: .7; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(232, 163, 61, .14); border: 1px solid rgba(232, 163, 61, .38); color: var(--accent-2); padding: 7px 16px; border-radius: 999px; font-size: .85rem; font-weight: 600; margin-bottom: 20px; }
.page-hero h1 { font-size: 3rem; color: #fff; line-height: 1.18; letter-spacing: 1px; margin-bottom: 16px; font-weight: 900; }
.hero-desc { color: rgba(255, 255, 255, .82); font-size: 1.1rem; max-width: 620px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.rank-card { background: rgba(255, 255, 255, .08); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border: 1px solid rgba(255, 255, 255, .14); border-radius: 20px; padding: 26px; box-shadow: 0 24px 60px rgba(0, 0, 0, .25); }
.rank-card-head { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 1.05rem; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.rank-card-head i { color: var(--accent); }
.rank-row { display: flex; align-items: center; gap: 14px; padding: 12px 10px; border-radius: 12px; transition: background var(--transition); }
.rank-row:hover { background: rgba(255, 255, 255, .06); }
.rank-no { font-weight: 900; color: var(--accent); font-size: .85rem; width: 28px; letter-spacing: .5px; }
.rank-name { flex: 1; color: rgba(255, 255, 255, .85); font-size: .93rem; font-weight: 500; }
.rank-status { color: var(--accent); font-size: .85rem; }
.rank-status.fa-spinner { color: rgba(255, 255, 255, .4); }
.rank-status.fa-lock { color: rgba(255, 255, 255, .3); }

/* Section */
.section { padding: var(--space) 0; }
.section-white { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 46px; }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section-label i { font-size: .9rem; }
.section-title { font-size: 2.05rem; font-weight: 800; letter-spacing: .5px; margin-bottom: 14px; color: var(--primary); line-height: 1.3; }
.section-desc { color: var(--text-light); font-size: 1.03rem; max-width: 720px; line-height: 1.8; }
.text-center { text-align: center; }
.text-center .section-desc { margin-left: auto; margin-right: auto; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 26px 30px; position: relative; transition: all var(--transition); box-shadow: var(--shadow-sm); }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(232, 163, 61, .35); }
.step-num { font-size: 3.2rem; font-weight: 900; line-height: 1; color: rgba(232, 163, 61, .22); letter-spacing: 1px; }
.step-tag { position: absolute; top: 26px; right: 26px; background: var(--primary); color: #fff; font-size: .74rem; padding: 4px 12px; border-radius: 999px; font-weight: 600; letter-spacing: .5px; }
.step-card h3 { font-size: 1.18rem; margin: 16px 0 10px; color: var(--primary); }
.step-card p { color: var(--text-light); font-size: .93rem; line-height: 1.75; }

/* Info Cards */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.info-card { background: var(--surface); border-radius: var(--radius-lg); padding: 30px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); position: relative; overflow: hidden; }
.info-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); opacity: 0; transition: opacity var(--transition); }
.info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.info-card:hover::before { opacity: 1; }
.info-card .icon { width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: rgba(232, 163, 61, .12); color: var(--accent); font-size: 1.35rem; margin-bottom: 18px; }
.info-card h3 { font-size: 1.12rem; margin-bottom: 10px; color: var(--primary); }
.info-card p { font-size: .92rem; color: var(--text-light); margin-bottom: 6px; }
.info-card ul { margin-top: 12px; }
.info-card ul li { font-size: .87rem; color: var(--text); padding: 5px 0 5px 24px; position: relative; }
.info-card ul li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; color: var(--accent); font-size: .72rem; top: 8px; }

/* Feature */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.feature-img { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.feature-img img { width: 100%; height: 440px; object-fit: cover; transition: transform .6s ease; }
.feature-img:hover img { transform: scale(1.04); }
.feature-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 17, 32, 0) 55%, rgba(11, 17, 32, .5) 100%); }
.feature-tag { position: absolute; left: 22px; bottom: 20px; z-index: 2; color: #fff; font-weight: 700; font-size: 1rem; letter-spacing: .5px; }
.feature-tag span { display: block; font-size: .78rem; font-weight: 400; color: rgba(255, 255, 255, .75); margin-top: 2px; }
.feature-content .section-label { margin-bottom: 12px; }
.feature-content h2 { font-size: 1.85rem; color: var(--primary); margin-bottom: 14px; line-height: 1.35; font-weight: 800; }
.feature-content > p { color: var(--text-light); margin-bottom: 20px; font-size: .97rem; }
.feature-list li { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px dashed var(--border); }
.feature-list li:last-child { border-bottom: none; }
.feature-list li i { color: var(--accent); font-size: 1.05rem; margin-top: 5px; width: 20px; flex-shrink: 0; }
.feature-list li strong { display: block; color: var(--primary); font-size: 1rem; }
.feature-list li small { color: var(--text-light); font-size: .88rem; line-height: 1.6; }

/* Stats */
.stats-section { background: linear-gradient(135deg, #0e1527, #1c2a52 60%, #24345f); padding: 72px 0; position: relative; overflow: hidden; }
.stats-section::before { content: ""; position: absolute; top: -60px; right: -60px; width: 260px; height: 260px; border-radius: 50%; background: rgba(232, 163, 61, .08); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; text-align: center; }
.stat-item .num { font-size: 2.7rem; font-weight: 900; color: #fff; line-height: 1.2; letter-spacing: 1px; }
.stat-item .num em { font-style: normal; color: var(--accent); }
.stat-item .label { color: rgba(255, 255, 255, .62); font-size: .92rem; margin-top: 6px; letter-spacing: .5px; }
.stat-item .bar { width: 32px; height: 3px; background: var(--accent); border-radius: 3px; margin: 12px auto 0; }

/* Checklist */
.checklist-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.checklist-card { background: var(--surface); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 34px; box-shadow: var(--shadow-sm); transition: box-shadow var(--transition); }
.checklist-card:hover { box-shadow: var(--shadow); }
.checklist-card h3 { font-size: 1.2rem; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; color: var(--primary); }
.checklist-card h3 i { color: var(--accent); }
.task-item { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--border); }
.task-item:last-child { border-bottom: none; }
.task-check { width: 42px; height: 42px; flex-shrink: 0; border-radius: 14px; border: 2px solid rgba(232, 163, 61, .4); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: .95rem; background: rgba(232, 163, 61, .06); }
.task-item.completed .task-check { background: var(--accent); border-color: var(--accent); color: #fff; }
.task-item h4 { font-size: .98rem; color: var(--primary); margin-bottom: 2px; }
.task-item p { font-size: .88rem; color: var(--text-light); line-height: 1.6; }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: box-shadow var(--transition), border-color var(--transition); }
.faq-item.open { box-shadow: var(--shadow); border-color: rgba(232, 163, 61, .3); }
.faq-q { padding: 22px 26px; font-size: 1.03rem; font-weight: 600; color: var(--primary); display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; text-align: left; background: transparent; transition: background var(--transition); }
.faq-q:hover { background: rgba(232, 163, 61, .04); }
.faq-q i { color: var(--accent); font-size: .9rem; transition: transform .35s ease; flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a-inner { padding: 0 26px 24px; color: var(--text-light); font-size: .93rem; line-height: 1.85; }

/* CTA */
.cta-section { background: linear-gradient(135deg, #101a30, #1c2a52); position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; left: 50%; top: 50%; width: 560px; height: 560px; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(232, 163, 61, .14), transparent 65%); }
.cta-box { position: relative; z-index: 2; padding: 76px 0; text-align: center; }
.cta-box h2 { color: #fff; font-size: 2rem; font-weight: 800; letter-spacing: .5px; margin-bottom: 14px; }
.cta-box p { color: rgba(255, 255, 255, .7); margin-top: 12px; max-width: 620px; margin-left: auto; margin-right: auto; font-size: 1rem; }
.cta-actions { margin-top: 30px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { color: rgba(255, 255, 255, .45); font-size: .84rem; margin-top: 20px; }
.cta-note i { color: var(--accent); }

/* Footer */
.site-footer { background: #0d1325; color: rgba(255, 255, 255, .72); padding: 64px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; margin-bottom: 48px; }
.footer-brand h4 { color: #fff; font-size: 1.25rem; margin-bottom: 14px; display: flex; align-items: center; }
.footer-brand h4 i { margin-right: 8px; color: var(--accent); }
.footer-brand p { font-size: .92rem; line-height: 1.8; max-width: 340px; color: rgba(255, 255, 255, .6); }
.footer-col h5 { color: #fff; font-size: 1rem; margin-bottom: 20px; position: relative; padding-bottom: 12px; font-weight: 600; }
.footer-col h5::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; border-radius: 3px; background: var(--accent); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255, 255, 255, .66); font-size: .93rem; }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: .92rem; color: rgba(255, 255, 255, .66); }
.contact-item i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 24px; display: flex; justify-content: center; }
.footer-bottom p { font-size: .86rem; color: rgba(255, 255, 255, .48); text-align: center; }

/* Responsive */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-img img { height: 360px; }
  .checklist-wrap { grid-template-columns: 1fr; gap: 30px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .rank-card { max-width: 480px; }
}

@media (max-width: 768px) {
  .main-nav { position: fixed; top: 64px; left: 0; right: 0; background: #141f3d; flex-direction: column; padding: 16px; gap: 8px; display: none; border-bottom: 1px solid rgba(255, 255, 255, .08); box-shadow: 0 20px 40px rgba(0, 0, 0, .3); z-index: 999; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 18px; font-size: 1rem; border-radius: 10px; }
  .nav-toggle { display: flex; }
  .search-box { display: none; }
  .header-inner { height: 64px; }
  .page-hero { min-height: auto; }
  .hero-inner { padding: 64px 0; }
  .page-hero h1 { font-size: 2.3rem; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .section-title { font-size: 1.72rem; }
  .stats-inner { gap: 28px; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .section { padding: 56px 0; }
  .steps-grid, .cards-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr; gap: 22px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .page-hero h1 { font-size: 1.9rem; }
  .feature-img img { height: 280px; }
  .checklist-card { padding: 26px 22px; }
  .rank-card { display: none; }
  .footer-bottom p { font-size: .8rem; }
  .brand { font-size: 1.14rem; }
}