/* roulang page: index */
:root {
  --primary: #132743;
  --primary-light: #1e3a5f;
  --primary-dark: #0b1a2e;
  --accent: #c9a15a;
  --accent-light: #e3c585;
  --accent-dark: #a8813c;
  --bg-body: #f5f7fb;
  --bg-soft: #eef1f6;
  --bg-white: #ffffff;
  --text-main: #1b2735;
  --text-muted: #68788a;
  --text-weak: #8e9cb0;
  --border: #dfe5ec;
  --border-light: #edf0f5;
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 3px 12px rgba(15, 30, 50, 0.06);
  --shadow-md: 0 10px 28px rgba(15, 30, 50, 0.09);
  --shadow-lg: 0 22px 48px rgba(15, 30, 50, 0.13);
  --transition: 0.25s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--text-main);
  background: var(--bg-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.grid-container {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn i {
  font-size: 14px;
}

.btn-primary {
  background: var(--accent);
  color: #101b28;
  box-shadow: 0 6px 20px rgba(201, 161, 90, 0.32);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(201, 161, 90, 0.4);
  color: #0d1520;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(201, 161, 90, 0.3);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(201, 161, 90, 0.06);
}

/* 头部 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 26, 46, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 20, 36, 0.97);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

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

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #101b28;
  box-shadow: 0 4px 14px rgba(201, 161, 90, 0.35);
  font-weight: 700;
}

.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.brand-text span {
  color: var(--accent-light);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  margin-right: 24px;
}

.nav-link {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 40px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: #fff;
  background: var(--accent);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(201, 161, 90, 0.3);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 40px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  flex-shrink: 0;
}

.header-cta:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #101b28;
}

.header-cta i {
  font-size: 13px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* Hero */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 18, 32, 0.94) 0%, rgba(10, 24, 42, 0.82) 45%, rgba(17, 38, 60, 0.55) 100%);
  z-index: 1;
}

.hero-section::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 161, 90, 0.18) 0%, transparent 70%);
  top: -160px;
  right: -120px;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid rgba(201, 161, 90, 0.4);
  border-radius: 40px;
  background: rgba(201, 161, 90, 0.12);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 28px;
}

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

.hero-content h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero-content h1 .accent-text {
  color: var(--accent-light);
  position: relative;
}

.hero-content h1 .accent-text::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(201, 161, 90, 0.3);
  border-radius: 4px;
  z-index: -1;
}

.hero-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 38px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-meta-item i {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(201, 161, 90, 0.15);
  border: 1px solid rgba(201, 161, 90, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 15px;
}

.hero-meta-item p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  line-height: 1.4;
}

.hero-meta-item strong {
  display: block;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

/* 通用板块 */
.section {
  padding: 100px 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 30px;
  background: rgba(201, 161, 90, 0.1);
  border: 1px solid rgba(201, 161, 90, 0.2);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title .gold {
  color: var(--accent-dark);
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 核心说明 */
.feature-section {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 161, 90, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent-light);
  margin-bottom: 22px;
  box-shadow: 0 8px 20px rgba(19, 39, 67, 0.18);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 0;
}

/* 分类入口 */
.category-section {
  background: var(--bg-body);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201, 161, 90, 0.35);
}

.category-img {
  position: relative;
  height: 210px;
  overflow: hidden;
}

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

.category-card:hover .category-img img {
  transform: scale(1.06);
}

.category-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 26, 46, 0.5), transparent 55%);
}

.category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 14px;
  border-radius: 30px;
  background: rgba(11, 26, 46, 0.75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.category-info {
  padding: 26px 26px 30px;
}

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

.category-info p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
  transition: all var(--transition);
}

.category-link i {
  font-size: 12px;
  transition: transform var(--transition);
}

.category-link:hover {
  color: var(--primary);
}

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

/* 最新信息 */
.news-section {
  background: var(--bg-white);
}

.news-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.news-item:hover {
  background: #fff;
  border-color: rgba(201, 161, 90, 0.35);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.news-cat {
  flex-shrink: 0;
  padding: 4px 14px;
  border-radius: 30px;
  background: rgba(201, 161, 90, 0.12);
  border: 1px solid rgba(201, 161, 90, 0.2);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.news-title {
  flex: 1;
  font-size: 15px;
  color: var(--text-main);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-time {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-time i {
  font-size: 12px;
}

.empty-tip {
  padding: 50px 20px;
  text-align: center;
  color: var(--text-weak);
  background: var(--bg-body);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

.news-side {
  background: linear-gradient(140deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  padding: 36px 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.news-side::after {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 161, 90, 0.25), transparent 70%);
  right: -60px;
  bottom: -60px;
}

.news-side h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.news-side p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 26px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.news-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-side-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

.news-side-list li i {
  color: var(--accent-light);
  font-size: 15px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* 路径流程 */
.journey-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  padding: 100px 0;
}

.journey-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(8, 18, 32, 0.96), rgba(10, 24, 42, 0.88));
  z-index: 1;
}

.journey-section .container,
.journey-section .section-head {
  position: relative;
  z-index: 2;
}

.journey-section .section-title {
  color: #fff;
}

.journey-section .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.journey-section .section-tag {
  background: rgba(201, 161, 90, 0.15);
  border-color: rgba(201, 161, 90, 0.3);
  color: var(--accent-light);
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.step-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 34px 28px;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
  position: relative;
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(201, 161, 90, 0.35);
  transform: translateY(-4px);
}

.step-num {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-light);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-num i {
  font-size: 13px;
}

.step-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.step-line {
  display: none;
}

/* 数据统计 */
.stats-band {
  background: var(--primary);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 161, 90, 0.2), transparent 70%);
  top: -180px;
  left: -120px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  color: #fff;
  padding: 10px;
}

.stat-num {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 40px;
  height: 2px;
  background: rgba(201, 161, 90, 0.5);
  margin: 14px auto;
  border-radius: 2px;
}

/* 资源卡片 */
.resource-section {
  background: var(--bg-body);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.resource-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.resource-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

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

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

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

.resource-card-body {
  padding: 28px 26px;
}

.resource-card-body .tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 30px;
  background: rgba(201, 161, 90, 0.1);
  border: 1px solid rgba(201, 161, 90, 0.18);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.resource-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.resource-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 18px;
}

.resource-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.resource-more i {
  font-size: 12px;
  transition: transform var(--transition);
}

.resource-more:hover {
  color: var(--primary);
}

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

/* FAQ */
.faq-section {
  background: var(--bg-white);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item.open {
  border-color: rgba(201, 161, 90, 0.35);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: all var(--transition);
}

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

.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(201, 161, 90, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--accent-dark);
  flex-shrink: 0;
  transition: all var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: var(--accent);
  color: #101b28;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 26px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

/* CTA */
.cta-section {
  padding: 100px 0;
  background: var(--bg-body);
}

.cta-box {
  background: linear-gradient(130deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 161, 90, 0.25), transparent 70%);
  right: -100px;
  top: -120px;
}

.cta-box::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 161, 90, 0.15), transparent 70%);
  left: -80px;
  bottom: -100px;
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box h2 .gold {
  color: var(--accent-light);
}

.cta-box p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

/* 页脚 */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand .brand-text {
  font-size: 24px;
  margin-bottom: 16px;
  display: block;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: #101b28;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: all var(--transition);
  display: inline-block;
}

.footer-col ul li a:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

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

/* 焦点可见性 */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(201, 161, 90, 0.5);
  outline-offset: 2px;
}

/* 页面返回顶部 */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: var(--shadow-md);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--accent);
  color: #101b28;
}

/* 响应式 */
@media (max-width: 1024px) {
  .section {
    padding: 76px 0;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-grid {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(8, 20, 36, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 18px 24px 24px;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    display: none;
    margin: 0;
  }

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

  .nav-link {
    display: block;
    padding: 14px 18px;
    text-align: center;
    border-radius: 12px;
  }

  .header-cta {
    display: none;
  }

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

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

  .journey-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .hero-section {
    min-height: auto;
    padding: 110px 0 80px;
  }

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

  .hero-meta {
    flex-direction: column;
    gap: 18px;
    margin-top: 40px;
  }

  .cta-box {
    padding: 44px 24px;
    border-radius: 20px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 320px;
  }

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

  .news-item {
    flex-wrap: wrap;
    gap: 10px;
  }

  .news-title {
    white-space: normal;
    flex-basis: 100%;
    order: 3;
  }

  .scroll-top {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 520px) {
  .container,
  .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .section {
    padding: 60px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

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

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

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

  .hero-content p {
    font-size: 15px;
  }

  .hero-actions .btn {
    padding: 13px 22px;
    font-size: 14px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

  .feature-card {
    padding: 28px 22px;
  }

  .category-img {
    height: 180px;
  }

  .cta-box {
    padding: 36px 20px;
  }

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

  .footer-bottom {
    font-size: 12px;
    line-height: 1.8;
  }
}

/* roulang page: article */
:root {
    --primary: #0b2a43;
    --primary-light: #14406b;
    --primary-dark: #071c2e;
    --accent: #0f9e8e;
    --accent-dark: #0b8073;
    --accent-light: #e6f6f4;
    --gold: #f0b84b;
    --gold-dark: #d89f2f;
    --bg-main: #f5f7fa;
    --bg-white: #ffffff;
    --bg-dark: #081e30;
    --text-main: #1c2b36;
    --text-weak: #64748b;
    --text-white: #ffffff;
    --border: #e2e8ee;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-xs: 0 2px 8px rgba(11,42,67,0.05);
    --shadow-sm: 0 4px 16px rgba(11,42,67,0.08);
    --shadow-md: 0 12px 32px rgba(11,42,67,0.12);
    --shadow-lg: 0 24px 60px rgba(11,42,67,0.16);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --spacing-section: 84px;
    --spacing-section-sm: 56px;
    --container-max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    color: var(--text-main);
    background: var(--bg-main);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; height: auto; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }
.grid-container { max-width: var(--container-max); }
::selection { background: var(--accent); color: #fff; }

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11,42,67,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 0;
    height: 72px;
    display: flex;
    align-items: center;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 14px rgba(15,158,142,0.35);
}
.brand-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    line-height: 1.2;
    white-space: nowrap;
}
.brand-text span { color: var(--gold); }
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.nav-link {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 10px;
    color: rgba(255,255,255,0.82);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0.3px;
}
.nav-link:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-link.active {
    background: linear-gradient(135deg, rgba(15,158,142,0.25), rgba(240,184,75,0.2));
    color: var(--gold);
    font-weight: 600;
}
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0b2a43;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(240,184,75,0.4);
    transition: var(--transition);
    white-space: nowrap;
}
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,184,75,0.5); color: #0b2a43; }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}
.nav-toggle:hover { background: rgba(255,255,255,0.1); }

/* ===== Breadcrumb & Article Hero ===== */
.article-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 84px 0 72px;
    color: #fff;
}
.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(8,30,48,0.94) 0%, rgba(11,42,67,0.82) 55%, rgba(15,158,142,0.5) 100%);
    z-index: 1;
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb i { font-size: 11px; color: rgba(255,255,255,0.4); }
.breadcrumb .current { color: var(--gold); }
.article-hero-content { max-width: 860px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: 50px;
    background: rgba(240,184,75,0.18);
    border: 1px solid rgba(240,184,75,0.4);
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.article-hero-content h1 {
    font-size: 38px;
    line-height: 1.35;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin: 0 0 18px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 14px;
    color: rgba(255,255,255,0.78);
}
.article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-meta i { color: var(--gold); }

/* ===== Article Body ===== */
.article-body-section { padding: 56px 0 20px; }
.article-main-col { padding-bottom: 40px; }
.article-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 44px 44px 52px;
    border: 1px solid var(--border);
    position: relative;
}
.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #33404e;
}
.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    margin: 38px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-light);
}
.article-content h3 {
    font-size: 21px;
    font-weight: 650;
    color: var(--primary);
    margin: 30px 0 12px;
}
.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin: 24px 0 10px;
}
.article-content p { margin: 14px 0; }
.article-content a {
    color: var(--accent);
    font-weight: 600;
    border-bottom: 1px solid transparent;
}
.article-content a:hover { border-bottom-color: var(--accent); color: var(--accent-dark); }
.article-content ul,
.article-content ol { margin: 16px 0; padding-left: 26px; }
.article-content li { margin: 8px 0; }
.article-content img {
    border-radius: var(--radius-md);
    margin: 26px 0;
    box-shadow: var(--shadow-sm);
    width: 100%;
    object-fit: cover;
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-light);
    padding: 18px 22px;
    border-radius: 0 10px 10px 0;
    margin: 24px 0;
    color: var(--primary);
    font-style: italic;
}
.article-content code {
    background: #f0f2f5;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    color: #d35400;
}
.article-content pre {
    background: var(--bg-dark);
    color: #e2e8f0;
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 24px 0;
}
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-content table th,
.article-content table td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}
.article-content table th { background: var(--bg-main); font-weight: 600; }
.not-found-box {
    text-align: center;
    padding: 80px 30px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 2px dashed var(--border);
}
.not-found-box i {
    font-size: 56px;
    color: var(--gold);
    margin-bottom: 24px;
    display: block;
}
.not-found-box h2 { font-size: 32px; color: var(--primary); margin-bottom: 14px; }
.not-found-box p { color: var(--text-weak); margin-bottom: 28px; font-size: 16px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 16px rgba(11,42,67,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(11,42,67,0.4); color: #fff; }
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 4px 16px rgba(15,158,142,0.3);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15,158,142,0.4); color: #fff; }
.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0b2a43;
    box-shadow: 0 4px 16px rgba(240,184,75,0.35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,184,75,0.45); color: #0b2a43; }
.btn-outline-light {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
.btn-block { width: 100%; }

/* ===== Sidebar ===== */
.article-side-col { padding-bottom: 40px; }
.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 28px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}
.sidebar-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-light);
}
.sidebar-card h3 i { color: var(--accent); }
.sidebar-cats,
.sidebar-links { list-style: none; margin: 0; padding: 0; }
.sidebar-cats li { margin-bottom: 10px; }
.sidebar-cats a,
.sidebar-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.sidebar-cats a:hover,
.sidebar-links a:hover {
    background: var(--accent-light);
    color: var(--accent-dark);
    transform: translateX(4px);
}
.sidebar-cats a span { color: var(--accent); font-size: 13px; }
.sidebar-cats a i { color: var(--accent); margin-right: 10px; width: 20px; text-align: center; }
.sidebar-links a::before { content: "›"; font-size: 18px; color: var(--accent); margin-right: 10px; font-weight: 700; }
.sidebar-links a { justify-content: flex-start; }
.sidebar-cta { text-align: center; background: linear-gradient(145deg, var(--bg-white), var(--accent-light)); }
.sidebar-cta img {
    border-radius: var(--radius-md);
    margin-bottom: 18px;
    width: 100%;
    height: 120px;
    object-fit: cover;
}
.sidebar-cta h3 { justify-content: center; border: none; padding: 0; margin-bottom: 8px; font-size: 18px; }
.sidebar-cta p { font-size: 14px; color: var(--text-weak); margin-bottom: 20px; padding: 0 6px; }

/* ===== Section Common ===== */
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: 50px;
    background: var(--accent-light);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}
.section-head p { font-size: 16px; color: var(--text-weak); line-height: 1.7; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255,255,255,0.7); }

/* ===== Category Guide ===== */
.category-guide-section { padding: var(--spacing-section) 0; }
.guide-card {
    display: block;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
    margin-bottom: 24px;
}
.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.guide-card img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.guide-card:hover img { transform: scale(1.05); }
.guide-card-body { padding: 28px; position: relative; }
.guide-icon {
    position: absolute;
    top: -24px;
    right: 24px;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 6px 18px rgba(15,158,142,0.35);
}
.guide-card h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.guide-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 16px; }
.guide-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
}
.guide-link i { transition: transform 0.3s ease; }
.guide-card:hover .guide-link i { transform: translateX(4px); }

/* ===== Path Section ===== */
.path-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-dark);
    background-image:
        radial-gradient(circle at 20% 30%, rgba(15,158,142,0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 40%, rgba(240,184,75,0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(11,42,67,0.4) 0%, transparent 60%);
    position: relative;
    overflow: hidden;
}
.path-steps {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    max-width: 1100px;
    margin: 0 auto;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}
.path-step {
    flex: 1;
    min-width: 200px;
    max-width: 240px;
    text-align: center;
    padding: 36px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
    transition: var(--transition);
    margin-bottom: 16px;
}
.path-step:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-6px);
    border-color: rgba(240,184,75,0.3);
}
.step-node {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(15,158,142,0.4);
    position: relative;
    z-index: 2;
}
.path-step:nth-child(odd) .step-node { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); box-shadow: 0 8px 24px rgba(240,184,75,0.35); }
.path-step h4 { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.path-step p { color: rgba(255,255,255,0.65); font-size: 14px; line-height: 1.7; }
.path-line {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, rgba(240,184,75,0.5), rgba(15,158,142,0.5));
    align-self: center;
    margin: 0 4px 16px;
    position: relative;
    flex-shrink: 1;
}

/* ===== FAQ ===== */
.faq-section { padding: var(--spacing-section) 0; }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(15,158,142,0.3); }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}
.faq-question i {
    color: var(--accent);
    font-size: 14px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--gold); }
.faq-item.active { border-color: rgba(240,184,75,0.4); }
.faq-answer {
    display: none;
    padding: 0 24px 22px;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.8;
    border-top: 1px solid var(--border);
    margin-top: 0;
}
.faq-answer p { padding-top: 16px; }

/* ===== CTA ===== */
.cta-section { padding: 0 0 var(--spacing-section); }
.cta-box {
    background: var(--bg-dark);
    background-image:
        radial-gradient(circle at 30% 120%, rgba(15,158,142,0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 0%, rgba(240,184,75,0.2) 0%, transparent 40%);
    border-radius: 24px;
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}
.cta-box::after {
    content: "◆";
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 100px;
    color: rgba(255,255,255,0.04);
    line-height: 1;
}
.cta-content { flex: 1; min-width: 280px; }
.cta-content h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.cta-content p { color: rgba(255,255,255,0.72); font-size: 16px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 24px;
    border-top: 3px solid var(--accent);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand .brand-text {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.65);
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-3px);
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-col a::before { content: "›"; font-size: 16px; color: var(--accent); }
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    :root { --spacing-section: 64px; }
    .article-hero { padding: 64px 0 56px; }
    .article-hero-content h1 { font-size: 32px; }
    .article-card { padding: 32px; }
    .footer-grid { gap: 32px; }
    .path-step { min-width: 170px; }
    .path-line { width: 30px; }
}
@media (max-width: 768px) {
    .site-header { height: 64px; }
    .header-inner { height: 64px; flex-wrap: nowrap; }
    .brand-text { font-size: 18px; }
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 16px 24px 24px;
        gap: 4px;
        border-bottom: 2px solid var(--accent);
        box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    }
    .main-nav.open { display: flex; }
    .nav-link { width: 100%; padding: 14px 16px; border-radius: 10px; }
    .nav-toggle { display: inline-flex; }
    .header-cta { display: none; }
    .article-hero { padding: 48px 0 44px; }
    .article-hero-content h1 { font-size: 26px; }
    .article-card { padding: 24px; border-radius: 16px; }
    .article-content { font-size: 15px; }
    .article-content h2 { font-size: 22px; }
    .article-content h3 { font-size: 18px; }
    .category-guide-section { padding: 48px 0; }
    .section-head h2 { font-size: 26px; }
    .section-head { margin-bottom: 32px; }
    .path-section { padding: 48px 0; }
    .path-steps { flex-direction: column; align-items: center; }
    .path-step { max-width: 100%; width: 100%; }
    .path-line { width: 2px; height: 32px; background: linear-gradient(180deg, rgba(240,184,75,0.5), rgba(15,158,142,0.5)); }
    .faq-section { padding: 48px 0; }
    .cta-section { padding: 0 0 48px; }
    .cta-box { padding: 40px 24px; flex-direction: column; text-align: center; }
    .cta-actions { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { font-size: 12px; }
}
@media (max-width: 520px) {
    .container { padding: 0 18px; }
    .brand-icon { width: 30px; height: 30px; font-size: 14px; }
    .brand-text { font-size: 16px; }
    .breadcrumb { gap: 6px; font-size: 13px; }
    .article-meta { gap: 14px; font-size: 13px; flex-direction: column; align-items: flex-start; }
    .article-card { padding: 20px 16px; }
    .article-content { font-size: 15px; line-height: 1.8; }
    .sidebar-card { padding: 20px; }
    .guide-card img { height: 160px; }
    .cta-content h2 { font-size: 24px; }
    .btn { padding: 12px 24px; font-size: 14px; }
    .footer-brand .brand-text { font-size: 18px; }
}

/* roulang page: category1 */
:root {
  --primary: #14538f;
  --primary-light: #1e6bb8;
  --primary-dark: #0d3b66;
  --accent: #d4a12e;
  --accent-light: #e2c25e;
  --dark-bg: #0f2a43;
  --light-bg: #f4f7fb;
  --white: #ffffff;
  --text: #1a2634;
  --text-light: #5b6b7b;
  --border: #dfe6ee;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(20, 60, 100, 0.10);
  --shadow-hover: 0 18px 44px rgba(20, 60, 100, 0.16);
  --transition: all 0.3s ease;
  --font-main: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--white); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; outline: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-main); line-height: 1.3; color: var(--text); }
p { font-size: 15px; color: var(--text); }
.grid-container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-light); color: var(--white); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(212, 161, 46, 0.35); }
.btn-outline-light { border-color: rgba(255, 255, 255, 0.75); color: var(--white); background: transparent; }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--white); color: var(--white); transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); color: var(--white); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(20, 83, 143, 0.32); }
.btn-sm { padding: 10px 22px; font-size: 13px; }

/* 区块 */
.section { padding: 92px 0; }
.section-light { background: var(--light-bg); }
.section-white { background: var(--white); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-tag { display: inline-block; background: rgba(20, 83, 143, 0.08); color: var(--primary); padding: 6px 20px; border-radius: 40px; font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 16px; }
.section-head h2 { font-size: 34px; margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--text-light); }

/* 顶部导航 */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 14px rgba(15, 42, 67, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 76px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon { font-size: 22px; color: var(--accent); }
.brand-text { font-size: 22px; font-weight: 800; color: var(--primary-dark); letter-spacing: 0.5px; }
.brand-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav .nav-link { font-size: 15px; font-weight: 500; color: var(--text); padding: 34px 2px 30px; border-bottom: 3px solid transparent; position: relative; letter-spacing: 0.3px; }
.main-nav .nav-link:hover { color: var(--primary); border-bottom-color: rgba(20, 83, 143, 0.35); }
.main-nav .nav-link.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.header-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: var(--white); padding: 10px 22px; border-radius: 50px; font-size: 14px; font-weight: 600; }
.header-cta:hover { background: var(--primary-light); color: var(--white); transform: translateY(-1px); box-shadow: 0 8px 22px rgba(20, 83, 143, 0.30); }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; color: var(--text); cursor: pointer; width: 44px; height: 44px; border-radius: 8px; align-items: center; justify-content: center; }
.nav-toggle:hover { background: var(--light-bg); }

/* 页面首屏 */
.page-hero { position: relative; padding: 120px 0 112px; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; text-align: center; color: var(--white); }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13, 59, 102, 0.93), rgba(20, 83, 143, 0.80) 55%, rgba(15, 42, 67, 0.92)); z-index: 0; }
.page-hero .grid-container { position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.28); padding: 8px 22px; border-radius: 40px; font-size: 13px; letter-spacing: 1px; margin-bottom: 24px; color: var(--white); }
.hero-breadcrumb { display: flex; justify-content: center; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 22px; color: rgba(255, 255, 255, 0.7); }
.hero-breadcrumb a { color: rgba(255, 255, 255, 0.8); transition: var(--transition); }
.hero-breadcrumb a:hover { color: var(--accent-light); }
.hero-breadcrumb i { font-size: 11px; color: rgba(255, 255, 255, 0.5); }
.page-hero h1 { font-size: 46px; color: var(--white); font-weight: 800; margin-bottom: 18px; letter-spacing: 1px; }
.page-hero .hero-desc { font-size: 17px; color: rgba(255, 255, 255, 0.85); max-width: 680px; margin: 0 auto 38px; line-height: 1.8; }
.hero-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* 快速导航卡片 */
.quick-nav .grid-x { row-gap: 24px; }
.feature-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow); transition: var(--transition); height: 100%; position: relative; overflow: hidden; }
.feature-card::before { content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 60px; border-radius: 0 4px 4px 0; background: var(--accent); opacity: 0.7; transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(20, 83, 143, 0.2); }
.feature-card:hover::before { height: 100%; opacity: 1; }
.feature-icon { width: 62px; height: 62px; border-radius: 18px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(20, 83, 143, 0.08), rgba(212, 161, 46, 0.14)); color: var(--primary); font-size: 25px; margin-bottom: 22px; }
.feature-card h3 { font-size: 18px; margin-bottom: 12px; font-weight: 700; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 18px; }
.card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.card-link i { font-size: 12px; transition: transform 0.3s ease; }
.card-link:hover i { transform: translateX(4px); }

/* 平台特色 */
.showcase-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-hover); }
.showcase-img img { width: 100%; height: 460px; object-fit: cover; }
.showcase-list { padding-left: 12px; }
.showcase-item { display: flex; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.showcase-item:last-child { border-bottom: 0; }
.showcase-item i { font-size: 22px; color: var(--accent); flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: rgba(212, 161, 46, 0.14); display: flex; align-items: center; justify-content: center; }
.showcase-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.showcase-item p { font-size: 14px; color: var(--text-light); }

/* 登录流程 */
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.flow-step { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 38px 24px; text-align: center; position: relative; box-shadow: var(--shadow); transition: var(--transition); }
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.flow-step::after { content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: -18px; top: 50%; transform: translateY(-50%); font-size: 14px; color: var(--accent); z-index: 2; transition: transform 0.3s ease; }
.flow-step:last-child::after { display: none; }
.flow-step:hover::after { transform: translateY(-50%) translateX(4px); }
.flow-num { display: inline-block; font-size: 13px; font-weight: 800; color: var(--accent); background: rgba(212, 161, 46, 0.15); padding: 5px 16px; border-radius: 40px; margin-bottom: 16px; letter-spacing: 1px; }
.flow-step h3 { font-size: 17px; margin-bottom: 10px; font-weight: 700; }
.flow-step p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* 数据统计 */
.stats-section { background: var(--dark-bg); padding: 80px 0; }
.stats-section .section-tag { background: rgba(255, 255, 255, 0.12); color: var(--white); }
.stats-section .section-head h2 { color: var(--white); }
.stats-section .section-head p { color: rgba(255, 255, 255, 0.7); }
.stat-block { text-align: center; padding: 28px 16px; border-right: 1px solid rgba(255, 255, 255, 0.1); }
.stat-block:last-child { border-right: 0; }
.stat-num { display: block; font-size: 42px; font-weight: 800; color: var(--accent); line-height: 1.1; margin-bottom: 10px; }
.stat-label { font-size: 15px; color: rgba(255, 255, 255, 0.75); letter-spacing: 0.5px; }

/* FAQ */
.faq-wrap { 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; box-shadow: 0 2px 10px rgba(20, 60, 100, 0.04); transition: var(--transition); }
.faq-item:hover { border-color: rgba(20, 83, 143, 0.2); }
.faq-item.active { border-color: rgba(20, 83, 143, 0.35); box-shadow: var(--shadow); }
.faq-question { width: 100%; padding: 22px 26px; background: none; border: 0; text-align: left; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 13px; color: var(--text-light); transition: transform 0.3s ease, color 0.3s ease; flex-shrink: 0; }
.faq-item.active .faq-question::after { transform: rotate(180deg); color: var(--primary); }
.faq-answer { padding: 0 26px; max-height: 0; overflow: hidden; transition: max-height 0.45s ease, padding 0.45s ease; }
.faq-item.active .faq-answer { padding: 0 26px 24px; max-height: 600px; }
.faq-answer p { font-size: 15px; color: var(--text-light); line-height: 1.8; }

/* CTA */
.cta-section { position: relative; padding: 100px 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13, 59, 102, 0.92), rgba(20, 83, 143, 0.82)); }
.cta-box { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; text-align: center; color: var(--white); }
.cta-box h2 { font-size: 38px; color: var(--white); margin-bottom: 16px; }
.cta-box p { font-size: 17px; color: rgba(255, 255, 255, 0.85); margin-bottom: 38px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 页脚 */
.site-footer { background: var(--dark-bg); color: rgba(255, 255, 255, 0.7); padding: 72px 0 26px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 44px; }
.footer-brand .brand-text { font-size: 24px; font-weight: 800; color: var(--white); display: flex; align-items: center; }
.footer-brand .brand-icon { color: var(--accent); font-size: 20px; }
.footer-brand p { margin-top: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); max-width: 320px; font-size: 14px; }
.footer-social { display: flex; gap: 12px; margin-top: 22px; }
.footer-social a { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.75); font-size: 15px; transition: var(--transition); }
.footer-social a:hover { background: var(--accent); color: var(--white); transform: translateY(-3px); }
.footer-col h4 { color: var(--white); font-size: 16px; margin-bottom: 20px; font-weight: 600; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.6); transition: var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 24px; text-align: center; color: rgba(255, 255, 255, 0.45); font-size: 13px; }

/* 焦点与可访问性 */
a:focus-visible, button:focus-visible { outline: 3px solid rgba(20, 83, 143, 0.4); outline-offset: 2px; border-radius: 4px; }

/* 响应式 */
@media (max-width: 1024px) {
  .page-hero h1 { font-size: 38px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-step::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .showcase-img img { height: 360px; }
}
@media (max-width: 768px) {
  .grid-container { padding-left: 20px; padding-right: 20px; }
  .section { padding: 64px 0; }
  .main-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: var(--white); flex-direction: column; align-items: flex-start; padding: 16px 24px 24px; gap: 4px; box-shadow: 0 18px 40px rgba(15, 42, 67, 0.14); border-bottom: 1px solid var(--border); z-index: 99; }
  .main-nav.open { display: flex; }
  .main-nav .nav-link { padding: 12px 0; font-size: 16px; width: 100%; border-bottom: 1px solid var(--border); }
  .main-nav .nav-link.active { border-bottom: 1px solid var(--border); color: var(--primary); }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .page-hero { padding: 84px 0 76px; }
  .page-hero h1 { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  .section-head h2 { font-size: 28px; }
  .stat-num { font-size: 32px; }
  .showcase-list { padding-left: 0; margin-top: 28px; }
  .showcase-img img { height: 280px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-box h2 { font-size: 30px; }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .section { padding: 52px 0; }
  .page-hero { padding: 64px 0 60px; }
  .page-hero h1 { font-size: 27px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .flow-steps { grid-template-columns: 1fr; gap: 16px; }
  .stat-block { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 12px; }
  .stat-block:last-child { border-bottom: 0; }
  .section-head h2 { font-size: 24px; }
  .faq-question { font-size: 15px; padding: 18px 18px; }
  .faq-answer p { font-size: 14px; }
  .cta-box h2 { font-size: 26px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 280px; }
  .brand-text { font-size: 19px; }
  .footer-grid { gap: 24px; }
}

/* roulang page: category3 */
:root {
  --primary: #1e3a8a;
  --primary-light: #3b5bdb;
  --primary-dark: #132d5c;
  --accent: #f5b50a;
  --accent-light: #ffd166;
  --bg: #f8fafc;
  --bg-alt: #f0f4f9;
  --bg-deep: #0c1e3a;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(30, 58, 138, 0.06);
  --shadow-md: 0 8px 24px rgba(30, 58, 138, 0.10);
  --shadow-lg: 0 16px 40px rgba(30, 58, 138, 0.14);
  --space-section: 90px;
  --header-h: 74px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.25s, opacity 0.25s; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  height: var(--header-h);
  box-shadow: 0 2px 20px rgba(30, 58, 138, 0.04);
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo .brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 10px;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
}
.brand-text { font-size: 22px; font-weight: 700; color: var(--primary-dark); letter-spacing: 0.5px; }
.brand-text span { color: var(--accent); font-weight: 700; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav .nav-link {
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all 0.25s;
}
.main-nav .nav-link:hover { color: var(--primary); background: rgba(30, 58, 138, 0.05); }
.main-nav .nav-link.active {
  color: var(--primary);
  background: rgba(30, 58, 138, 0.09);
  font-weight: 600;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 8px;
  transition: all 0.3s;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.2);
  border: none;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(30, 58, 138, 0.3);
  color: #fff;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
}

/* ===== Hero Banner ===== */
.page-hero {
  position: relative;
  padding: 90px 0 90px;
  background: linear-gradient(135deg, rgba(12, 30, 58, 0.92), rgba(30, 58, 138, 0.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 181, 10, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-breadcrumb { margin-bottom: 20px; font-size: 14px; color: rgba(255,255,255,0.7); }
.hero-breadcrumb a { color: rgba(255,255,255,0.85); }
.hero-breadcrumb a:hover { color: var(--accent-light); }
.hero-breadcrumb .sep { margin: 0 8px; opacity: 0.5; }
.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}
.page-hero h1 em { font-style: normal; color: var(--accent); }
.page-hero p {
  font-size: 18px;
  max-width: 640px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #1e293b;
  font-weight: 700;
  padding: 13px 30px;
  border-radius: 10px;
  font-size: 15px;
  transition: all 0.3s;
  border: none;
  box-shadow: 0 6px 20px rgba(245, 181, 10, 0.35);
}
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(245, 181, 10, 0.45); color: #132d5c; }
.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
  transition: all 0.3s;
}
.btn-hero-ghost:hover { background: rgba(255,255,255,0.2); color: #fff; transform: translateY(-3px); }

/* ===== Section general ===== */
.section-block { padding: var(--space-section) 0; }
.section-block-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .eyebrow {
  display: inline-block;
  background: rgba(30, 58, 138, 0.08);
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; line-height: 1.3; }
.section-head p { color: var(--text-muted); font-size: 16px; }

/* ===== Help Category Cards ===== */
.help-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.help-card-wrapper { opacity: 0; transform: translateY(24px); animation: fadeUp 0.6s forwards; }
.help-card-wrapper:nth-child(2) { animation-delay: 0.1s; }
.help-card-wrapper:nth-child(3) { animation-delay: 0.2s; }
.help-card-wrapper:nth-child(4) { animation-delay: 0.3s; }
.help-card-wrapper:nth-child(5) { animation-delay: 0.4s; }
.help-card-wrapper:nth-child(6) { animation-delay: 0.5s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.help-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  text-align: left;
  transition: all 0.35s;
  height: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.help-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.help-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.help-card:hover::after { transform: scaleX(1); }
.help-card-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 6px 16px rgba(30, 58, 138, 0.25);
}
.help-card h3 { font-size: 19px; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.help-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.help-card .tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.help-card .tag {
  background: var(--bg-alt);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
}
.help-card a.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s;
}
.help-card a.card-link:hover { gap: 10px; color: var(--primary-light); }

/* ===== 8 Steps / Process ===== */
.process-section { background: var(--bg-deep); color: #fff; }
.process-section .section-head h2 { color: #fff; }
.process-section .section-head p { color: rgba(255,255,255,0.6); }
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 30px 24px;
  position: relative;
  backdrop-filter: blur(4px);
  transition: all 0.3s;
}
.step-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); border-color: rgba(245, 181, 10, 0.4); }
.step-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(245, 181, 10, 0.15);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.step-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.step-item p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; }
.step-arrow { position: absolute; top: 38%; right: -18px; color: var(--accent); font-size: 16px; z-index: 2; }
@media screen and (max-width: 900px) { .step-arrow { display: none; } }

/* ===== FAQ Accordion ===== */
.faq-layout { display: grid; grid-template-columns: 1fr 1.8fr; gap: 50px; align-items: start; }
.faq-side { position: sticky; top: 100px; }
.faq-side h2 { font-size: 32px; font-weight: 800; color: var(--primary-dark); margin-bottom: 14px; line-height: 1.3; }
.faq-side p { color: var(--text-muted); margin-bottom: 24px; font-size: 15px; }
.faq-side .faq-help-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(30, 58, 138, 0.07);
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s;
}
.faq-side .faq-help-link:hover { background: rgba(30, 58, 138, 0.14); }
.faq-list .accordion-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.faq-list .accordion-item:hover { box-shadow: var(--shadow-sm); }
.faq-list .accordion-title {
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background 0.25s;
}
.faq-list .accordion-title:hover { background: rgba(30, 58, 138, 0.03); }
.faq-list .accordion-title .fa-chevron-down { color: var(--primary); transition: transform 0.3s; font-size: 13px; flex-shrink: 0; }
.faq-list .accordion-title.is-active .fa-chevron-down { transform: rotate(180deg); }
.faq-list .accordion-content {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}
.faq-list .accordion-item.is-active .accordion-content { max-height: 320px; padding: 0 22px 22px; }
.faq-list .accordion-item.is-active { border-color: rgba(30, 58, 138, 0.4); box-shadow: var(--shadow-sm); }
.faq-list .accordion-item.is-active .accordion-title { color: var(--primary); }

/* ===== Quick Feedback / Form Block ===== */
.feedback-block {
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 50px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 44px;
  border: 1px solid var(--border);
}
.feedback-info h3 { font-size: 26px; font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; }
.feedback-info p { color: var(--text-muted); margin-bottom: 22px; font-size: 15px; }
.contact-list { display: grid; gap: 14px; margin-top: 24px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-alt);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 15px;
  transition: all 0.3s;
}
.contact-item:hover { background: rgba(30, 58, 138, 0.06); transform: translateX(4px); }
.contact-item i { color: var(--primary); font-size: 18px; width: 24px; text-align: center; }
.contact-item strong { color: var(--primary-dark); margin-right: 4px; }
.feedback-form .form-title { font-size: 18px; font-weight: 700; color: var(--primary-dark); margin-bottom: 20px; }
.feedback-form input, .feedback-form select, .feedback-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.25s, box-shadow 0.25s;
  margin-bottom: 16px;
  background: var(--bg);
}
.feedback-form input:focus, .feedback-form select:focus, .feedback-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
  background: #fff;
}
.feedback-form textarea { min-height: 110px; resize: vertical; }
.feedback-form .btn-submit {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.2);
  cursor: pointer;
}
.feedback-form .btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30, 58, 138, 0.3); }

/* ===== Guide Strip / Tips ===== */
.guide-tips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.guide-tip-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.guide-tip-item::before {
  content: attr(data-index);
  position: absolute;
  right: 14px;
  top: -6px;
  font-size: 70px;
  font-weight: 900;
  color: rgba(30, 58, 138, 0.05);
  line-height: 1;
}
.guide-tip-item .tip-icon {
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 14px;
}
.guide-tip-item h3 { font-size: 17px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.guide-tip-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(12, 30, 58, 0.95), rgba(30, 58, 138, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 70px 0;
  text-align: center;
  position: relative;
}
.cta-section h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; font-size: 16px; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #1e293b;
  font-weight: 700;
  padding: 14px 36px;
  border-radius: 10px;
  font-size: 16px;
  transition: all 0.3s;
  border: none;
  box-shadow: 0 8px 24px rgba(245, 181, 10, 0.3);
}
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(245, 181, 10, 0.4); color: #132d5c; }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 0;
}
.site-footer .grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand-text { font-size: 22px; font-weight: 700; color: #fff; display: flex; align-items: center; }
.footer-brand .brand-text .brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 9px;
  font-size: 14px;
  margin-right: 10px;
  box-shadow: 0 4px 12px rgba(59, 91, 219, 0.3);
}
.footer-brand p { font-size: 14px; line-height: 1.8; margin: 16px 0 20px; color: rgba(255,255,255,0.65); max-width: 320px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  transition: all 0.3s;
  border: 1px solid rgba(255,255,255,0.08);
}
.footer-social a:hover { background: var(--accent); color: #1e293b; border-color: var(--accent); transform: translateY(-3px); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color 0.25s, padding-left 0.25s; }
.footer-col ul li a:hover { color: var(--accent); padding-left: 6px; }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===== Responsive ===== */
@media screen and (max-width: 1100px) {
  .grid-container { padding: 0 20px; }
  .help-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .faq-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media screen and (max-width: 900px) {
  .site-header { height: auto; }
  .header-inner { flex-wrap: wrap; padding: 10px 0; height: auto; }
  .main-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 80px 24px 30px;
    gap: 8px;
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    transition: right 0.35s;
    z-index: 200;
    align-items: flex-start;
  }
  .main-nav.open { right: 0; }
  .main-nav .nav-link { width: 100%; padding: 12px 16px; font-size: 16px; }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .page-hero h1 { font-size: 30px; }
  .page-hero { padding: 60px 0; }
  .section-block { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .feedback-block { grid-template-columns: 1fr; padding: 30px 24px; }
  .guide-tips { grid-template-columns: 1fr; gap: 18px; }
}
@media screen and (max-width: 640px) {
  .container, .grid-container { padding: 0 16px; }
  .help-grid { grid-template-columns: 1fr; gap: 18px; }
  .step-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .page-hero h1 { font-size: 26px; }
  .page-hero p { font-size: 15px; }
  .section-head { margin-bottom: 34px; }
  .section-head h2 { font-size: 24px; }
  .hero-actions .btn-hero-primary, .hero-actions .btn-hero-ghost { width: 100%; justify-content: center; }
  .faq-list .accordion-title { font-size: 15px; padding: 17px 18px; }
  .faq-list .accordion-content { padding: 0 18px; }
  .faq-list .accordion-item.is-active .accordion-content { padding: 0 18px 18px; }
}

/* roulang page: category2 */
:root {
            --primary: #0b1f3a;
            --primary-light: #1a365d;
            --accent: #d4a843;
            --accent-dark: #b8912e;
            --accent-light: #e8c877;
            --warm: #e8813e;
            --bg: #f7f4ef;
            --bg-alt: #ffffff;
            --bg-dark: #0b1f3a;
            --text: #1e2a3a;
            --text-light: #5a6b7a;
            --text-muted: #8a9aaa;
            --border: #e5ded2;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 8px 30px rgba(11, 31, 58, 0.08);
            --shadow-hover: 0 16px 44px rgba(11, 31, 58, 0.16);
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: 1200px;
            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);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(11, 31, 58, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 10px;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(11, 31, 58, 0.22);
        }
        .brand-text {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--primary);
            line-height: 1.2;
        }
        .brand-text span {
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-link {
            padding: 9px 18px;
            font-size: 15px;
            font-weight: 500;
            border-radius: 30px;
            color: var(--text-light);
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(212, 168, 67, 0.12);
        }
        .nav-link.active {
            color: var(--primary);
            background: linear-gradient(135deg, rgba(212, 168, 67, 0.18), rgba(212, 168, 67, 0.06));
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(11, 31, 58, 0.25);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .header-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(11, 31, 58, 0.3);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }
        .nav-toggle:hover {
            background: rgba(11, 31, 58, 0.06);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            min-height: 400px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 31, 58, 0.88) 0%, rgba(11, 31, 58, 0.62) 50%, rgba(212, 168, 67, 0.25) 100%);
        }
        .page-banner::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 300px;
            height: 300px;
            border: 2px dashed rgba(212, 168, 67, 0.3);
            border-radius: 50%;
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 780px;
        }
        .banner-crumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            background: rgba(255, 255, 255, 0.12);
            padding: 6px 14px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .banner-crumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .banner-crumb a:hover {
            color: var(--accent);
        }
        .banner-content h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .banner-content h1 span {
            color: var(--accent);
        }
        .banner-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 168, 67, 0.45);
            color: var(--primary);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 60px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-dark);
            background: rgba(212, 168, 67, 0.1);
            padding: 6px 18px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ===== Category Grid ===== */
        .category-cards {
            margin: -12px;
        }
        .category-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 67, 0.5);
        }
        .category-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .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(1.06);
        }
        .category-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 31, 58, 0.35), transparent 60%);
        }
        .category-card .card-body {
            padding: 26px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .category-card .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--accent);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            flex: 1;
        }
        .category-card .card-meta {
            margin-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .category-card .card-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }
        .category-card .card-meta .arrow {
            color: var(--accent-dark);
            font-size: 20px;
            font-weight: 700;
        }

        /* ===== Rank Section ===== */
        .rank-section {
            background: var(--bg);
        }
        .rank-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-alt);
            border-radius: 16px;
            padding: 20px 26px;
            margin-bottom: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .rank-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 67, 0.5);
            transform: translateX(6px);
        }
        .rank-num {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(11, 31, 58, 0.25);
        }
        .rank-num.hot {
            background: linear-gradient(135deg, var(--accent), var(--warm));
            color: var(--primary);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info .rank-meta {
            font-size: 13px;
            color: var(--text-muted);
        }
        .rank-bar-wrap {
            width: 200px;
            flex-shrink: 0;
        }
        .rank-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .progress {
            height: 8px;
            background: rgba(11, 31, 58, 0.08);
            border-radius: 8px;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            border-radius: 8px;
            background: linear-gradient(90deg, var(--accent), var(--warm));
            width: 0%;
            transition: width 1s ease;
        }
        .rank-badge {
            display: inline-block;
            background: rgba(212, 168, 67, 0.15);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            flex-shrink: 0;
        }

        /* ===== News Cards ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .news-media {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .news-card .news-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-media img {
            transform: scale(1.05);
        }
        .news-card .news-date {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(11, 31, 58, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .news-card .news-body {
            padding: 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-dark);
            margin-bottom: 10px;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            flex: 1;
        }
        .news-card .news-link {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .news-card .news-link i {
            transition: var(--transition);
            font-size: 12px;
        }
        .news-card .news-link:hover {
            color: var(--accent-dark);
        }
        .news-card .news-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Stats ===== */
        .stats-section {
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat fixed;
            position: relative;
            padding: 100px 0;
            color: #fff;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 31, 58, 0.94), rgba(11, 31, 58, 0.8));
        }
        .stats-section .section-head {
            position: relative;
            z-index: 1;
        }
        .stats-section .section-head h2 {
            color: #fff;
        }
        .stats-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }
        .stats-section .section-tag {
            background: rgba(212, 168, 67, 0.2);
            color: var(--accent);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 1;
            margin-top: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-item .stat-num {
            font-size: 46px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== Process ===== */
        .process-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            counter-reset: step;
            position: relative;
        }
        .process-wrap::before {
            content: "";
            position: absolute;
            top: 36px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--accent) 0 8px, transparent 8px 16px);
            opacity: 0.4;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step .step-dot {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--bg-alt);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.25);
            position: relative;
        }
        .process-step .step-dot::after {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: -8px;
            right: -8px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            font-size: 11px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 8px rgba(11, 31, 58, 0.3);
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            max-width: 200px;
            margin: 0 auto;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            padding: 0;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item.open {
            border-color: rgba(212, 168, 67, 0.6);
            box-shadow: var(--shadow);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
        }
        .faq-q .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(212, 168, 67, 0.15);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary);
        }
        .faq-a {
            padding: 0 26px 22px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
            animation: fadeIn 0.35s ease;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border: 2px dashed rgba(212, 168, 67, 0.3);
            border-radius: 50%;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 320px;
            height: 320px;
            border: 2px dashed rgba(212, 168, 67, 0.2);
            border-radius: 50%;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section h2 span {
            color: var(--accent);
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .btn-gold {
            background: var(--accent);
            color: var(--primary);
            padding: 15px 40px;
            font-size: 16px;
            border-radius: 30px;
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.4);
        }
        .btn-gold:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(212, 168, 67, 0.5);
            color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #081627;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 26px;
            display: inline-flex;
            align-items: center;
            margin-bottom: 18px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            max-width: 360px;
            margin-bottom: 22px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(11, 31, 58, 0.1);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                align-items: stretch;
                z-index: 99;
                border-radius: 0 0 16px 16px;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 14px 20px;
                border-radius: 10px;
                font-size: 16px;
            }
            .nav-link.active::after {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px 24px;
            }
            .process-wrap::before {
                display: none;
            }
            .category-cards .cell {
                margin-bottom: 20px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .banner-content h1 {
                font-size: 32px;
            }
            .page-banner {
                min-height: 320px;
            }
            .section-head h2,
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
            }
            .rank-bar-wrap {
                width: 100%;
            }
            .rank-badge {
                display: none;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 34px;
            }
            .process-wrap {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .header-inner {
                height: 64px;
            }
            .brand-text {
                font-size: 20px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .banner-content h1 {
                font-size: 26px;
            }
            .banner-content p {
                font-size: 14px;
            }
            .banner-actions .btn {
                padding: 12px 22px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .process-wrap {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                font-size: 12px;
                padding: 18px 10px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
        }