/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #D40026;
  --primary-dark: #A3001D;
  --primary-light: #FF4D6A;
  --black: #0D0D0D;
  --dark: #161616;
  --dark-2: #1F1F1F;
  --gray-bg: #F6F5F3;
  --white: #FFFFFF;
  --text-main: #1C1C1C;
  --text-light: #6F6F6F;
  --text-lighter: #9B9B9B;
  --border: #E8E6E3;
  --border-dark: #2A2A2A;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 24px rgba(0, 0, 0, 0.09);
  --shadow-lg: 0 20px 44px rgba(0, 0, 0, 0.13);
  --transition: all 0.3s ease;
  --container-w: 1200px;
  --section-space: 84px;
}

/* ========== 重置与基础 ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul, ol {
  list-style: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--section-space) 0;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: rgba(212, 0, 38, 0.08);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.section-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
}
.section-head .section-tag {
  margin-bottom: 12px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.2;
  white-space: nowrap;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(212, 0, 38, 0.28);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(212, 0, 38, 0.34);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(212, 0, 38, 0.2);
}
.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline-dark {
  border-color: var(--black);
  color: var(--black);
  background: transparent;
}
.btn-outline-dark:hover {
  background: var(--black);
  color: #fff;
  transform: translateY(-2px);
}

/* ========== Header / 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}
.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 20px;
}
.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.nav-right {
  justify-content: flex-end;
}
.nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 20px;
  border-radius: 999px;
  transition: var(--transition);
  position: relative;
}
.nav-list a:hover {
  color: var(--primary);
  background: rgba(212, 0, 38, 0.06);
}
.nav-list a.active {
  color: var(--primary);
  background: rgba(212, 0, 38, 0.1);
  font-weight: 700;
}
.logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo i {
  color: var(--primary);
  font-size: 24px;
}
.logo:hover {
  color: var(--primary);
}
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 68px;
}
.logo-mobile {
  font-size: 20px;
  font-weight: 900;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.logo-mobile i {
  color: var(--primary);
}
.hamburger {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-main);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.hamburger:hover {
  background: rgba(212, 0, 38, 0.08);
  color: var(--primary);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  background: #fff;
  border-top: 1px solid var(--border);
  gap: 4px;
}
.mobile-menu a {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  padding: 14px 16px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  background: rgba(212, 0, 38, 0.08);
  color: var(--primary);
}
.mobile-menu.open {
  display: flex;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-color: var(--dark);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.5) 55%, rgba(0, 0, 0, 0.35));
  z-index: -1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, transparent 40%, rgba(0, 0, 0, 0.4) 100%);
  z-index: -1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero-badge i {
  color: var(--primary-light);
}
.hero h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 20px;
  max-width: 640px;
}
.hero p {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.hero-strip {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}
.hero-strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}
.hero-strip span {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-strip i {
  color: var(--primary-light);
}

/* ========== 功能亮点 ========== */
.features-section {
  background: var(--gray-bg);
}
.features-grid {
  row-gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(212, 0, 38, 0.2);
}
.feature-card:hover::after {
  height: 100%;
}
.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(212, 0, 38, 0.1), rgba(212, 0, 38, 0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-light);
}

/* ========== 分类入口卡片 ========== */
.category-section {
  background: var(--white);
}
.category-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 0, 38, 0.25);
}
.category-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--dark);
}
.category-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover .category-card-media img {
  transform: scale(1.04);
}
.category-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.35));
}
.category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(212, 0, 38, 0.3);
}
.category-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.category-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-card-body p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}
.category-link i {
  font-size: 13px;
  transition: transform 0.3s ease;
}
.category-card:hover .category-link {
  gap: 12px;
}
.category-card:hover .category-link i {
  transform: translateX(3px);
}

/* ========== 资讯列表 ========== */
.news-section {
  background: var(--gray-bg);
}
.news-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}
.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.news-item:hover::before {
  transform: scaleY(1);
}
.news-number {
  font-size: 28px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  font-style: italic;
  min-width: 48px;
  transition: var(--transition);
}
.news-item:hover .news-number {
  color: var(--primary);
  opacity: 0.7;
}
.news-content {
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-light);
}
.tag-red {
  background: rgba(212, 0, 38, 0.08);
  color: var(--primary);
}
.news-date {
  font-size: 14px;
  color: var(--text-lighter);
}
.news-content h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
}
.news-content h3 a {
  transition: var(--transition);
}
.news-content h3 a:hover {
  color: var(--primary);
}
.news-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.read-more i {
  font-size: 12px;
  transition: transform 0.3s ease;
}
.read-more:hover i {
  transform: translateX(4px);
}
.empty-tip {
  text-align: center;
  font-size: 16px;
  color: var(--text-light);
  padding: 40px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

/* ========== 流程步骤 ========== */
.steps-section {
  background:
    linear-gradient(rgba(13, 13, 13, 0.86), rgba(13, 13, 13, 0.86)),
    url('/assets/images/backpic/back-3.png') center/cover fixed;
  color: #fff;
}
.steps-section .section-head h2 {
  color: #fff;
}
.steps-section .section-head p {
  color: rgba(255, 255, 255, 0.75);
}
.steps-section .section-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.step-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  transition: var(--transition);
  backdrop-filter: blur(6px);
  position: relative;
}
.step-box:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}
.step-number {
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.15);
  margin-bottom: 16px;
  font-style: italic;
}
.step-box h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.step-box h3 i {
  color: var(--primary-light);
  font-size: 16px;
}
.step-box p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.75);
}

/* ========== 数据统计 ========== */
.stats-section {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}
.stat-number {
  font-size: 62px;
  font-weight: 900;
  line-height: 1;
  color: var(--primary);
  letter-spacing: -2px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}
.stat-suffix {
  font-size: 28px;
  font-weight: 700;
}
.stat-label {
  font-size: 15px;
  color: var(--text-light);
  margin-top: 8px;
  font-weight: 500;
}
.stat-divider {
  position: absolute;
  right: 0;
  top: 30%;
  bottom: 30%;
  width: 1px;
  background: var(--border);
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--gray-bg);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(212, 0, 38, 0.2);
  box-shadow: var(--shadow-md);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: var(--transition);
  background: transparent;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(212, 0, 38, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 26px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light);
  border-top: 1px dashed var(--border);
  padding-top: 18px;
}

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #8F0019 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  top: -160px;
  right: -120px;
}
.cta-section::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  bottom: -120px;
  left: -80px;
}
.cta-inner {
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 40px 0;
}
.cta-inner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.cta-inner p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.cta-inner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}
.cta-inner .btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 15px 34px rgba(0, 0, 0, 0.25);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}
.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand i {
  color: var(--primary);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  padding: 5px 0;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ========== 移动端断点 ========== */
@media (max-width: 1024px) {
  :root {
    --section-space: 64px;
  }
  .hero {
    min-height: 500px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .section-head h2 {
    font-size: 32px;
  }
  .stat-number {
    font-size: 48px;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-header {
    display: flex;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: flex;
  }
  .hero {
    min-height: 460px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero p {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn {
    width: 100%;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .section-head p {
    font-size: 15px;
  }
  .news-item {
    flex-direction: column;
    gap: 12px;
    padding: 22px;
  }
  .news-number {
    font-size: 22px;
  }
  .steps-section {
    background-attachment: scroll;
  }
  .step-box {
    padding: 26px 22px;
  }
  .step-number {
    font-size: 36px;
  }
  .stat-divider {
    display: none;
  }
  .cta-inner h2 {
    font-size: 28px;
  }
  .cta-inner p {
    font-size: 16px;
  }
  .footer-column {
    margin-bottom: 24px;
  }
  .hero-strip {
    display: none;
  }
}

@media (max-width: 520px) {
  :root {
    --section-space: 48px;
  }
  .container {
    padding: 0 16px;
  }
  .hero {
    min-height: 420px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero-badge {
    font-size: 13px;
    padding: 6px 14px;
  }
  .hero p {
    font-size: 15px;
  }
  .feature-card {
    padding: 26px 22px;
  }
  .category-card-body {
    padding: 22px;
  }
  .news-content h3 {
    font-size: 17px;
  }
  .faq-question {
    font-size: 15px;
    padding: 18px;
  }
  .faq-answer-inner {
    padding: 0 18px 18px;
  }
  .stat-number {
    font-size: 40px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .logo {
    font-size: 18px;
  }
}

/* roulang page: article */
:root{
  --primary:#c8102e;
  --primary-dark:#9c0e24;
  --primary-light:#ef4444;
  --dark:#111827;
  --dark-light:#1f2937;
  --accent:#f59e0b;
  --bg:#f6f7f9;
  --card-bg:#ffffff;
  --text:#1a1a2e;
  --text-muted:#6b7280;
  --border:#e5e7eb;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 40px rgba(17,24,39,0.08);
  --shadow-sm:0 4px 18px rgba(17,24,39,0.06);
  --transition:all .28s 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;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;border:none;outline:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:999px;font-size:16px;font-weight:600;
  cursor:pointer;transition:var(--transition);border:2px solid transparent;line-height:1;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(200,16,46,0.3)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 30px rgba(200,16,46,0.4)}
.btn-primary:focus-visible{outline:3px solid rgba(200,16,46,0.4);outline-offset:2px}
.btn-outline{border-color:var(--border);background:#fff;color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline:focus-visible{outline:3px solid rgba(200,16,46,0.2);outline-offset:2px}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,0.15)}
.btn-light:hover{background:#f8f8f8;transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,0.2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;
  border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(200,16,46,0.1);color:var(--primary);
}
/* Header */
.site-header{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1000;box-shadow:0 2px 16px rgba(17,24,39,0.05);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;position:relative}
.desktop-nav{
  display:flex;align-items:center;justify-content:center;gap:30px;width:100%;flex-wrap:wrap;
}
.nav-list{display:flex;align-items:center;gap:8px;list-style:none;padding:0;margin:0}
.nav-list li a{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-muted);
}
.nav-list li a:hover{background:rgba(200,16,46,0.06);color:var(--primary)}
.nav-list li a.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(200,16,46,0.3)}
.logo{
  flex-shrink:0;display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--dark);letter-spacing:0.5px;
}
.logo i{color:var(--primary);font-size:24px}
.mobile-header{display:none;width:100%;justify-content:space-between;align-items:center}
.logo-mobile{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--dark)}
.logo-mobile i{color:var(--primary);font-size:22px}
.hamburger{
  width:44px;height:44px;border-radius:12px;background:var(--bg);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text);cursor:pointer;
  transition:var(--transition);
}
.hamburger:hover{background:rgba(200,16,46,0.1);color:var(--primary)}
.hamburger:focus-visible{outline:3px solid rgba(200,16,46,0.3);outline-offset:2px}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);padding:16px 24px 24px}
.mobile-menu a{
  display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--text);transition:var(--transition);
}
.mobile-menu a:hover{background:var(--bg);color:var(--primary)}
.mobile-menu a.active{background:rgba(200,16,46,0.08);color:var(--primary)}
.mobile-menu i{width:22px;text-align:center}
.mobile-menu.open{display:block;animation:fadeSlide .3s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
/* Hero */
.article-hero{
  position:relative;background-size:cover;background-position:center;padding:90px 0 70px;color:#fff;
}
.article-hero::before{
  content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(17,24,39,0.92) 0%,rgba(17,24,39,0.75) 100%);
}
.article-hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.14);backdrop-filter:blur(12px);
  padding:8px 18px;border-radius:999px;font-size:14px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{color:var(--accent)}
.article-hero h1{
  font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.3;margin-bottom:18px;max-width:800px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:22px;color:rgba(255,255,255,0.75);font-size:15px;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--accent)}
.hero-stats{
  display:flex;gap:30px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.15);
}
.hero-stats div{text-align:center}
.hero-stats strong{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-stats span{font-size:13px;color:rgba(255,255,255,0.6)}
/* Main Article */
.article-main{padding:60px 0 50px}
.article-body{
  background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:48px 52px;position:relative;
}
.article-body h2{
  font-size:25px;font-weight:700;margin:40px 0 20px;padding-left:18px;
  border-left:5px solid var(--primary);line-height:1.4;color:var(--dark);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 14px;color:var(--dark)}
.article-body p{font-size:16px;color:var(--text);margin-bottom:18px;line-height:1.9}
.article-body ul,.article-body ol{padding-left:22px;margin-bottom:18px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:10px;font-size:16px;line-height:1.8;color:var(--text)}
.article-body img{border-radius:12px;margin:24px 0;box-shadow:var(--shadow-sm)}
.article-body blockquote{
  border-left:4px solid var(--primary);background:rgba(200,16,46,0.05);
  padding:20px 24px;border-radius:8px;margin:24px 0;color:var(--text);font-style:italic;
}
.article-body code{background:var(--bg);padding:3px 8px;border-radius:6px;font-size:14px;color:var(--primary)}
.article-body a{color:var(--primary);font-weight:500}
.article-body a:hover{text-decoration:underline}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}
.chapter-divider{
  display:flex;align-items:center;gap:14px;margin:30px 0 24px;
}
.chapter-divider::after{content:"";flex:1;height:1px;background:var(--border)}
.chapter-divider span{
  background:rgba(200,16,46,0.08);color:var(--primary);padding:6px 16px;border-radius:999px;
  font-size:13px;font-weight:700;
}
/* Pagination */
.article-pagination{
  display:flex;justify-content:space-between;gap:14px;margin-top:34px;flex-wrap:wrap;
}
.article-pagination .btn{padding:12px 22px;font-size:14px}
/* Sidebar */
.sidebar-card{
  background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:28px;margin-bottom:26px;border:1px solid var(--border);
}
.sidebar-card h3{
  font-size:18px;font-weight:700;color:var(--dark);margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.sidebar-card h3::after{content:"";flex:1;height:2px;background:linear-gradient(90deg,rgba(200,16,46,0.3),transparent)}
.info-item{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border);font-size:14px}
.info-item:last-child{border-bottom:none}
.info-item i{width:20px;text-align:center;color:var(--primary)}
.info-item span{color:var(--text-muted)}
.info-item strong{color:var(--text);font-weight:600}
.progress-box{margin-top:8px}
.progress-step{display:flex;gap:14px;padding:10px 0;position:relative}
.progress-step::before{
  content:"";position:absolute;left:20px;top:36px;bottom:-6px;width:2px;
  background:linear-gradient(to bottom,rgba(200,16,46,0.3),rgba(200,16,46,0.05));
}
.progress-step:last-child::before{display:none}
.step-num{
  width:42px;height:42px;border-radius:50%;background:rgba(200,16,46,0.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0;
}
.progress-step.completed .step-num{background:var(--primary);color:#fff}
.step-info{flex:1}
.step-info h4{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:4px}
.step-info p{font-size:13px;color:var(--text-muted);line-height:1.5}
.sidebar-link{
  display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border);
  transition:var(--transition);font-size:14px;color:var(--text);
}
.sidebar-link:hover{color:var(--primary);padding-left:6px}
.sidebar-link:last-child{border-bottom:none}
.sidebar-link i{color:var(--accent);font-size:13px}
.sidebar-guide{
  background:linear-gradient(135deg,var(--dark),var(--dark-light));
  border-radius:var(--radius);padding:32px 28px;color:#fff;position:relative;overflow:hidden;
}
.sidebar-guide::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;
  background:rgba(255,255,255,0.06);border-radius:50%;
}
.sidebar-guide i{font-size:32px;color:var(--accent);margin-bottom:14px}
.sidebar-guide h3{color:#fff;font-size:18px;margin-bottom:10px}
.sidebar-guide p{color:rgba(255,255,255,0.7);font-size:14px;margin-bottom:20px;line-height:1.7}
/* Process Section */
.process-section{padding:70px 0;background:linear-gradient(180deg,var(--bg) 0%,#fff 100%)}
.section-head{text-align:center;margin-bottom:46px}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;background:rgba(200,16,46,0.08);color:var(--primary);
  padding:7px 18px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--dark);line-height:1.3}
.section-head p{color:var(--text-muted);font-size:16px;max-width:600px;margin:14px auto 0}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-card{
  background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  padding:34px 26px;text-align:center;transition:var(--transition);border:1px solid var(--border);position:relative;
}
.process-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.process-num{
  position:absolute;top:18px;right:18px;font-size:40px;font-weight:800;color:rgba(200,16,46,0.08);line-height:1;
}
.process-icon{
  width:68px;height:68px;border-radius:20px;background:rgba(200,16,46,0.08);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;
}
.process-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.process-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
/* Recommend */
.recommend-section{padding:70px 0}
.recommend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.recommend-card{
  background:var(--card-bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:var(--transition);border:1px solid var(--border);display:flex;flex-direction:column;
}
.recommend-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(200,16,46,0.2)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:#fff}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.recommend-card:hover .card-cover img{transform:scale(1.06)}
.cover-tag{
  position:absolute;top:14px;left:14px;background:rgba(17,24,39,0.85);color:#fff;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:600;backdrop-filter:blur(8px);
}
.card-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;transition:var(--transition)}
.card-body h3 a:hover{color:var(--primary)}
.card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px;flex:1}
.card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--border)}
.card-footer span{font-size:13px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px}
.hot-badge{color:var(--accent) !important}
/* FAQ */
.faq-section{padding:70px 0;background:var(--dark)}
.faq-section .section-head h2{color:#fff}
.faq-section .section-head p{color:rgba(255,255,255,0.65)}
.faq-grid{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
details.faq-item{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);
  border-radius:14px;overflow:hidden;transition:var(--transition);
}
details.faq-item:hover{border-color:rgba(255,255,255,0.2)}
details.faq-item[open]{background:rgba(255,255,255,0.07);border-color:rgba(200,16,46,0.5)}
summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;cursor:pointer;font-size:16px;font-weight:600;color:#fff;transition:var(--transition);
}
summary::-webkit-details-marker{display:none}
summary .fa-chevron-down{transition:transform .3s ease;color:rgba(255,255,255,0.4);font-size:14px}
details[open] summary .fa-chevron-down{transform:rotate(180deg);color:var(--accent)}
.faq-answer{padding:0 26px 22px;color:rgba(255,255,255,0.75);font-size:15px;line-height:1.8;animation:fadeSlide .3s ease}
.faq-answer a{color:var(--accent);font-weight:500}
/* CTA */
.cta-section{
  padding:80px 0;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;width:500px;height:500px;border-radius:50%;
  background:rgba(255,255,255,0.06);top:-200px;right:-120px;
}
.cta-section::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,0.04);bottom:-120px;left:-80px;
}
.cta-content{text-align:center;position:relative;z-index:2}
.cta-content h2{font-size:clamp(26px,4vw,42px);font-weight:800;margin-bottom:18px}
.cta-content p{max-width:620px;margin:0 auto 32px;font-size:17px;color:rgba(255,255,255,0.9)}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* Footer */
.site-footer{background:var(--dark);color:#fff;padding:70px 0 0;margin-top:0}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:800;margin-bottom:16px}
.footer-brand i{color:var(--primary);font-size:26px}
.footer-desc{color:rgba(255,255,255,0.6);font-size:15px;line-height:1.8;max-width:340px}
.footer-column{margin-bottom:32px}
.footer-title{
  font-size:16px;font-weight:700;margin-bottom:18px;color:#fff;padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;gap:10px;
}
.footer-title::after{content:"";flex:1;height:1px;background:rgba(255,255,255,0.1)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:rgba(255,255,255,0.6);font-size:15px;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:5px}
.footer-links a i{width:18px;margin-right:6px;color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding:22px 0;border-top:1px solid rgba(255,255,255,0.08);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  color:rgba(255,255,255,0.5);font-size:14px;
}
.footer-bottom a{color:rgba(255,255,255,0.7);transition:var(--transition)}
.footer-bottom a:hover{color:#fff}
/* Not Found */
.not-found{
  text-align:center;padding:80px 30px;background:var(--card-bg);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
.not-found i{font-size:52px;color:var(--accent);margin-bottom:18px}
.not-found h2{font-size:28px;font-weight:800;margin-bottom:10px}
.not-found p{color:var(--text-muted);margin-bottom:24px}
/* Responsive */
@media (max-width:1024px){
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .recommend-grid{grid-template-columns:repeat(2,1fr)}
  .article-body{padding:36px 32px}
}
@media (max-width:768px){
  .desktop-nav{display:none}
  .mobile-header{display:flex}
  .article-hero{padding:70px 0 55px}
  .hero-meta{flex-direction:column;gap:10px}
  .hero-stats{flex-wrap:wrap}
  .article-main{padding:40px 0}
  .article-body{padding:28px 22px}
  .recommend-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr;gap:18px}
  .cta-buttons .btn{width:100%;max-width:300px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:64px}
  .logo-mobile{font-size:17px}
  .article-hero h1{font-size:26px}
  .article-body{padding:24px 18px}
  .article-body h2{font-size:21px}
  .recommend-grid{grid-template-columns:1fr}
  .footer-column{flex:0 0 100% !important}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary: #16328a;
  --primary-light: #2a4aab;
  --primary-dark: #0c1d5c;
  --accent: #f2a93b;
  --accent-dark: #d98b1f;
  --bg: #f4f6fb;
  --white: #ffffff;
  --text: #1c2340;
  --text-light: #5f6f94;
  --text-muted: #8a95b5;
  --border: #dfe5f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 12px rgba(22, 50, 138, 0.06);
  --shadow: 0 10px 35px rgba(22, 50, 138, 0.10);
  --shadow-lg: 0 24px 60px rgba(22, 50, 138, 0.14);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --container: 1200px;
  --section-pad: 88px;
}

/* ========== 基础 Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

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

/* ========== 导航 Header ========== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 16px rgba(22, 50, 138, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: var(--transition);
}
.logo i { color: var(--accent); font-size: 20px; }
.logo:hover { opacity: 0.85; }
.nav-list { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }
.nav-list li { margin: 0; }
.nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}
.nav-list a:hover { background: rgba(22, 50, 138, 0.06); color: var(--primary); }
.nav-list a.active { background: var(--primary); color: var(--white); box-shadow: 0 4px 14px rgba(22, 50, 138, 0.22); }
.nav-list a:focus-visible { outline: 3px solid rgba(22, 50, 138, 0.3); outline-offset: 2px; }
.nav-left { justify-content: flex-end; flex: 1; }
.nav-right { justify-content: flex-start; flex: 1; }

/* 移动端导航 */
.mobile-header { display: none; align-items: center; justify-content: space-between; width: 100%; }
.logo-mobile { font-size: 18px; font-weight: 800; color: var(--primary); display: inline-flex; align-items: center; gap: 8px; }
.logo-mobile i { color: var(--accent); }
.hamburger { font-size: 20px; color: var(--text); padding: 8px; border-radius: 8px; transition: var(--transition); }
.hamburger:hover { background: rgba(22, 50, 138, 0.06); color: var(--primary); }
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.mobile-menu a i { width: 18px; text-align: center; color: var(--text-light); }
.mobile-menu a:hover { background: rgba(22, 50, 138, 0.05); }
.mobile-menu a.active { background: var(--primary); color: var(--white); }
.mobile-menu a.active i { color: var(--white); }
.mobile-menu.open { display: flex; }

/* ========== 页面 Banner ========== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(12, 29, 92, 0.92) 0%, rgba(22, 50, 138, 0.85) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--white);
  padding: 92px 0 84px;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -40px; right: -40px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(242, 169, 59, 0.16);
  filter: blur(50px);
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-tag i { color: var(--accent); }
.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  max-width: 680px;
  letter-spacing: 0.5px;
}
.page-hero p.subtitle {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.88;
  max-width: 620px;
  margin-bottom: 36px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.6); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.4); }
.breadcrumb .current { color: var(--white); font-weight: 500; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
}
.btn-primary {
  background: var(--accent);
  color: #1a1a2e;
  box-shadow: 0 8px 24px rgba(242, 169, 59, 0.3);
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(217, 139, 31, 0.35); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.1); color: var(--white); transform: translateY(-2px); }
.btn-dark {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(22, 50, 138, 0.25);
}
.btn-dark:hover { background: var(--primary-light); color: var(--white); transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(242, 169, 59, 0.4); outline-offset: 2px; }

/* ========== 通用板块 ========== */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--white); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 54px;
}
.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(22, 50, 138, 0.07);
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-head h2 { font-size: 32px; font-weight: 800; line-height: 1.3; color: var(--text); margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--text-light); line-height: 1.7; }

/* ========== 卡片通用 ========== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: rgba(22, 50, 138, 0.15);
}
.card-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  margin-bottom: 18px;
  color: var(--white);
}
.card-icon.blue { background: linear-gradient(135deg, var(--primary), var(--primary-light)); box-shadow: 0 6px 16px rgba(22, 50, 138, 0.22); }
.card-icon.gold { background: linear-gradient(135deg, var(--accent), #f7c46a); color: #1a1a2e; box-shadow: 0 6px 16px rgba(242, 169, 59, 0.25); }
.card-icon.green { background: linear-gradient(135deg, #1d9a6c, #35c48d); box-shadow: 0 6px 16px rgba(29, 154, 108, 0.22); }
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ========== 注册前准备 ========== */
.prep-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ========== 流程步骤 ========== */
.steps-section { position: relative; background: var(--white); }
.steps-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step-item {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.step-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 4px 14px rgba(22, 50, 138, 0.2);
}
.step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-light); line-height: 1.65; }
.step-connector { display: none; }

/* ========== 注册方式对比 ========== */
.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.compare-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}
.compare-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.compare-card .icon { font-size: 30px; color: var(--primary); margin-bottom: 16px; }
.compare-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.compare-card ul { text-align: left; margin: 16px 0 0; padding: 0; }
.compare-card ul li { padding: 6px 0; font-size: 14px; color: var(--text-light); display: flex; align-items: center; gap: 8px; border-bottom: 1px solid rgba(0,0,0,0.03); }
.compare-card ul li i { color: #1d9a6c; font-size: 12px; }
.compare-card .badge { margin-bottom: 14px; }

/* ========== 标签/徽章 ========== */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.badge-blue { background: rgba(22, 50, 138, 0.08); color: var(--primary); }
.badge-gold { background: rgba(242, 169, 59, 0.15); color: var(--accent-dark); }
.badge-green { background: rgba(29, 154, 108, 0.1); color: #1d9a6c; }

/* ========== 数据统计 ========== */
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
  padding: 72px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-item .stat-num { font-size: 42px; font-weight: 800; line-height: 1.2; color: var(--accent); }
.stat-item .stat-label { font-size: 14px; opacity: 0.75; margin-top: 6px; }

/* ========== 注意事项 ========== */
.tips-list { max-width: 860px; margin: 0 auto; }
.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  transition: var(--transition);
}
.tip-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(22, 50, 138, 0.2); }
.tip-item .tip-icon { flex: 0 0 36px; width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: rgba(242, 169, 59, 0.12); color: var(--accent-dark); font-size: 15px; margin-top: 2px; }
.tip-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.tip-item p { font-size: 14px; color: var(--text-light); line-height: 1.65; }

/* ========== FAQ ========== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { box-shadow: var(--shadow-sm); border-color: rgba(22, 50, 138, 0.18); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  gap: 16px;
}
.faq-question .faq-icon { flex: 0 0 28px; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: rgba(22, 50, 138, 0.06); color: var(--primary); font-size: 14px; transition: var(--transition); }
.faq-item.open .faq-icon { background: var(--primary); color: var(--white); transform: rotate(45deg); }
.faq-answer {
  padding: 0 26px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer { padding: 0 26px 20px; max-height: 500px; }
.faq-answer p { font-size: 14.5px; color: var(--text-light); line-height: 1.75; }

/* ========== CTA ========== */
.cta-section {
  background: var(--white);
  padding: 80px 0;
}
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 24px;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(242, 169, 59, 0.18);
  top: -100px; right: -100px;
}
.cta-box h2 { font-size: 30px; font-weight: 800; color: var(--white); margin-bottom: 14px; }
.cta-box p { color: rgba(255, 255, 255, 0.82); font-size: 16px; margin-bottom: 30px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-box .btn-primary { background: var(--accent); color: #1a1a2e; }
.cta-box .btn-primary:hover { background: var(--accent-dark); color: var(--white); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ========== 页脚 ========== */
.site-footer {
  background: #0d1747;
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 0;
}
.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.footer-brand i { color: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, 0.55); max-width: 360px; }
.footer-column { padding-top: 4px; }
.footer-title { color: var(--white); font-size: 16px; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; background: var(--accent); border-radius: 3px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.6); display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-links a i { font-size: 11px; color: var(--accent); }
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-bottom {
  margin-top: 50px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.55); }
.footer-bottom a:hover { color: var(--accent); }

/* ========== 图文区块 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.feature-media { position: relative; }
.feature-media img { border-radius: 20px; box-shadow: var(--shadow-lg); }
.feature-media::before {
  content: '';
  position: absolute;
  width: 100px; height: 100px;
  border-radius: 20px;
  background: rgba(242, 169, 59, 0.25);
  top: -14px; left: -14px;
  z-index: -1;
}
.feature-content .feature-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(22, 50, 138, 0.07); color: var(--primary); font-size: 13px; font-weight: 700; padding: 5px 14px; border-radius: 999px; margin-bottom: 18px; }
.feature-content h2 { font-size: 30px; font-weight: 800; line-height: 1.3; margin-bottom: 18px; }
.feature-content p { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 18px; }
.feature-check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-top: 20px; }
.feature-check-list li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); }
.feature-check-list li i { color: #1d9a6c; font-size: 14px; flex-shrink: 0; }

/* ========== 响应式断点 ========== */
@media (max-width: 1024px) {
  :root { --section-pad: 70px; }
  .prep-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-timeline { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-hero h1 { font-size: 36px; }
}

@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-header { display: flex; }
  .header-inner { padding-top: 12px; padding-bottom: 12px; }
  .page-hero { padding: 64px 0 60px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p.subtitle { font-size: 15px; }
  .section-head h2 { font-size: 26px; }
  .prep-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .steps-timeline { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .cta-box { padding: 44px 24px; }
  .cta-box h2 { font-size: 24px; }
  .feature-check-list { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .grid-x .cell { margin-bottom: 24px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
}

@media (max-width: 520px) {
  :root { --section-pad: 56px; }
  .prep-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-hero h1 { font-size: 26px; }
  .section-head h2 { font-size: 23px; }
  .card { padding: 22px; }
  .step-item { padding: 26px 20px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.open .faq-answer { padding: 0 18px 16px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}