/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f2b46;
  --primary-light: #1a3a5c;
  --primary-dark: #091e33;
  --accent: #e84d3c;
  --accent-hover: #d6402f;
  --accent-soft: #fdeceb;
  --gold: #f5b50a;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #172a3a;
  --text-muted: #5d6d7e;
  --border: #e3e9f0;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow: 0 4px 24px rgba(15, 43, 70, 0.07);
  --shadow-hover: 0 12px 36px rgba(15, 43, 70, 0.16);
  --shadow-accent: 0 8px 28px rgba(232, 77, 60, 0.28);
  --container: 1240px;
  --header-h: 74px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

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

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

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

a:hover {
  color: var(--accent);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

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

/* ===== 通用标题 ===== */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-sub {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 16px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(232, 77, 60, 0.36);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: rgba(255, 255, 255, 0.72);
}

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

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

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

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

.btn-light:hover {
  background: var(--gold);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-small {
  padding: 9px 20px;
  font-size: 14px;
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 43, 70, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

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

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #ff8a5c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 14px rgba(232, 77, 60, 0.35);
}

.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.logo-text em {
  font-style: normal;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.72);
  display: block;
  letter-spacing: 1px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.desktop-nav .nav-link {
  color: rgba(255, 255, 255, 0.78);
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.desktop-nav .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.desktop-nav .nav-link.active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 4px 14px rgba(232, 77, 60, 0.3);
}

.header-cta {
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 移动端下拉菜单 */
.mobile-dropdown {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--primary-dark);
  padding: 12px 20px 20px;
  z-index: 999;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.mobile-dropdown.open {
  display: block;
}

.mobile-dropdown a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.85);
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
}

.mobile-dropdown a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.mobile-dropdown a.active {
  background: var(--accent);
  color: #fff;
}

.mobile-dropdown a i {
  width: 22px;
  text-align: center;
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  padding: 144px 0 120px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(9, 30, 51, 0.93) 0%, rgba(10, 38, 71, 0.76) 45%, rgba(15, 43, 70, 0.42) 100%);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(232, 77, 60, 0.22) 0%, transparent 55%);
  z-index: -1;
}

.hero-content {
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

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

.hero h1 {
  font-size: 54px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -1.2px;
  margin-bottom: 22px;
}

.hero h1 span {
  color: var(--gold);
}

.hero-desc {
  font-size: 18px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
  max-width: 620px;
  margin-bottom: 38px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding-top: 36px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat b {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stat span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* ===== 板块通用 ===== */
.section {
  padding: 96px 0;
}

.section-alt {
  background: #fff;
}

/* ===== 核心价值卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 40px 34px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

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

.feature-icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  background: var(--accent-soft);
  color: var(--accent);
}

.feature-card:nth-child(2) .feature-icon {
  background: #eaf5f0;
  color: #1fa971;
}

.feature-card:nth-child(3) .feature-icon {
  background: #fff6e5;
  color: #e89b0a;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== 分类入口 / 指南卡 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 430px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: var(--transition);
  isolation: isolate;
}

.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.5s ease;
}

.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 30, 51, 0.05) 20%, rgba(9, 30, 51, 0.88) 100%);
  z-index: -1;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

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

.category-body {
  padding: 36px 32px;
  color: #fff;
  width: 100%;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 16px;
}

.category-body h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 10px;
}

.category-body p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 420px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 0;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 6px;
  transition: var(--transition);
}

.category-link:hover {
  color: var(--gold);
  gap: 14px;
}

/* ===== 最新资讯区域 ===== */
.latest-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.latest-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  background: transparent;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: var(--bg);
  padding-left: 16px;
  padding-right: 16px;
  border-radius: var(--radius);
}

.news-category {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
  letter-spacing: 0.5px;
}

.news-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: var(--transition);
}

.news-item:hover .news-title {
  color: var(--accent);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.news-date {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.empty-tip {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  font-size: 15px;
}

/* 侧栏 */
.aside-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 30px;
  margin-bottom: 28px;
}

.aside-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.aside-title i {
  color: var(--accent);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-cloud a {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 100px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.tag-cloud a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.hot-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hot-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: var(--text-muted);
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
  transition: var(--transition);
}

.hot-links a:last-child {
  border-bottom: none;
}

.hot-links a i {
  color: var(--gold);
  font-size: 12px;
}

.hot-links a:hover {
  color: var(--accent);
  padding-left: 8px;
}

/* ===== 推荐内容卡片 ===== */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.rec-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.rec-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

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

.rec-image .rec-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(9, 30, 51, 0.72);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
}

.rec-body {
  padding: 22px;
}

.rec-body h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.rec-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rec-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.rec-meta i {
  margin-right: 4px;
}

/* ===== 数据统计区 ===== */
.stats-section {
  background-size: cover;
  background-position: center;
  position: relative;
  isolation: isolate;
  padding: 100px 0;
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(9, 30, 51, 0.92);
  z-index: -1;
}

.stats-inner {
  text-align: center;
  color: #fff;
  max-width: 900px;
  margin: 0 auto;
}

.stats-inner .section-title {
  color: #fff;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-top: 56px;
}

.stat-block {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 36px 20px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stat-block:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-6px);
}

.stat-block b {
  display: block;
  font-size: 38px;
  font-weight: 800;
  background: linear-gradient(120deg, #fff 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-block span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.5px;
}

/* ===== 流程步骤 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.step-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

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

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #ff8a5c);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  box-shadow: 0 8px 20px rgba(232, 77, 60, 0.3);
}

.step-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item:hover {
  border-color: rgba(232, 77, 60, 0.4);
  box-shadow: var(--shadow-hover);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
  position: relative;
}

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

.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition);
}

.faq-item[open] summary .faq-icon {
  transform: rotate(180deg);
  background: var(--accent);
  color: #fff;
}

.faq-item .faq-answer {
  padding: 0 28px 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background-size: cover;
  background-position: center;
  position: relative;
  isolation: isolate;
  padding: 96px 0;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9, 30, 51, 0.96) 0%, rgba(15, 43, 70, 0.88) 50%, rgba(232, 77, 60, 0.78) 100%);
  z-index: -1;
}

.cta-content {
  text-align: center;
  color: #fff;
  max-width: 680px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.25;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  line-height: 1.8;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 280px;
}

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

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  padding: 6px 0;
  transition: var(--transition);
}

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

.footer-contact p {
  font-size: 14px;
  line-height: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.48);
}

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

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

/* ===== 移动端底部 Tab ===== */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 43, 70, 0.98);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  padding: 6px 12px calc(4px + env(safe-area-inset-bottom));
  justify-content: space-around;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.18);
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 12px;
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 500;
  transition: var(--transition);
  min-width: 64px;
}

.tab-item i {
  font-size: 19px;
}

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

.tab-item.active {
  color: var(--gold);
}

.tab-item.active i {
  transform: translateY(-2px);
}

/* ===== 焦点可见性 ===== */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

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

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

  .hero h1 {
    font-size: 44px;
  }

  .latest-layout {
    grid-template-columns: 1fr;
  }

  .aside-card {
    margin-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .desktop-nav {
    display: none;
  }

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

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

  .category-card {
    min-height: 340px;
  }

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

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

  .hero {
    padding: 96px 0 80px;
  }

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

  .hero-desc {
    font-size: 16px;
  }

  .hero-stats {
    gap: 28px;
  }

  .hero-stat b {
    font-size: 26px;
  }

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

  .news-item {
    flex-wrap: wrap;
    gap: 10px;
    padding: 18px 0;
  }

  .news-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    width: 100%;
    order: 3;
  }

  .news-meta {
    margin-left: auto;
  }

  .cta-content h2 {
    font-size: 30px;
  }

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

  .mobile-tabbar {
    display: flex;
  }

  .site-footer {
    padding-bottom: 70px;
  }

  .site-header {
    height: 64px;
  }

  :root {
    --header-h: 64px;
  }
}

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

  .section {
    padding: 60px 0;
  }

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

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .stat-block {
    padding: 24px 12px;
  }

  .stat-block b {
    font-size: 28px;
  }

  .hero h1 {
    font-size: 30px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-stat b {
    font-size: 22px;
  }

  .hero-stats {
    gap: 20px;
  }

  .category-body {
    padding: 26px 22px;
  }

  .category-body h3 {
    font-size: 22px;
  }

  .btn {
    padding: 12px 24px;
  }

  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }

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

  .cta-content h2 {
    font-size: 26px;
  }

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

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

  .footer-bottom {
    font-size: 12px;
    padding: 18px 10px;
  }

  .tab-item {
    min-width: 56px;
    padding: 6px 8px;
    font-size: 10px;
  }

  .tab-item i {
    font-size: 17px;
  }
}

/* roulang page: category1 */
/* ========== Design Tokens ========== */
:root {
  --primary: #0b2a4a;
  --primary-light: #123b66;
  --primary-dark: #071c33;
  --accent: #ff6b35;
  --accent-dark: #e85824;
  --accent-soft: rgba(255, 107, 53, 0.12);
  --bg: #f4f7fb;
  --bg-white: #ffffff;
  --bg-deep: #0b1f36;
  --text: #1e293b;
  --text-dark: #0f172a;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 8px 28px rgba(11, 42, 74, 0.08);
  --shadow-lg: 0 16px 44px rgba(11, 42, 74, 0.14);
  --shadow-accent: 0 10px 24px rgba(255, 107, 53, 0.28);
  --gap: 24px;
  --container: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --nav-height: 72px;
  --tabbar-height: 64px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
/* ========== Layout ========== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gap); }
main { overflow: hidden; }
section { position: relative; }
/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  height: var(--nav-height);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(11, 42, 74, 0.2);
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: 0.5px;
  line-height: 1.2;
  white-space: nowrap;
}
.logo-text em {
  display: block;
  font-style: normal;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 2px;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(11, 42, 74, 0.06);
}
.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 14px rgba(11, 42, 74, 0.25);
}
.header-cta {
  margin-left: 8px;
}
.header-cta i {
  margin-right: 6px;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text-dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.menu-toggle:hover { background: var(--border); }
/* ========== Mobile Tabbar ========== */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  height: var(--tabbar-height);
  padding: 6px 8px;
  box-shadow: 0 -4px 20px rgba(11, 42, 74, 0.06);
}
.tabbar-inner {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 4px 16px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}
.tab-item i { font-size: 18px; }
.tab-item:hover { color: var(--primary); }
.tab-item.active { color: var(--accent); }
.tab-item.active::before {
  content: "";
  position: absolute;
  top: -6px;
  width: 22px;
  height: 3px;
  border-radius: 99px;
  background: var(--accent);
}
/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 107, 53, 0.34);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(11, 42, 74, 0.18);
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-small {
  padding: 8px 18px;
  font-size: 14px;
}
.btn:focus-visible, .nav-link:focus-visible, .tab-item:focus-visible, .menu-toggle:focus-visible {
  outline: 3px solid rgba(255, 107, 53, 0.5);
  outline-offset: 2px;
}
/* ========== Page Hero ========== */
.page-hero {
  padding: 88px 0 72px;
  background: linear-gradient(rgba(11, 42, 74, 0.74), rgba(11, 42, 74, 0.74)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
}
.hero-content {
  max-width: 720px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: #fff;
  margin-bottom: 22px;
  backdrop-filter: blur(6px);
}
.hero-title {
  font-size: clamp(32px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hero-title span { color: var(--accent); }
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 32px;
  max-width: 620px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-meta-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.8); }
.hero-meta-item i { color: var(--accent); font-size: 16px; }
/* ========== Stats Strip ========== */
.stats-strip {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.stat-item {
  text-align: center;
  padding: 8px 12px;
  position: relative;
}
.stat-item::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--border);
}
.stat-item:last-child::after { display: none; }
.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-num em { font-style: normal; color: var(--accent); font-size: 22px; font-weight: 700; margin-left: 2px; }
.stat-label { margin-top: 6px; font-size: 14px; color: var(--text-light); font-weight: 500; }
/* ========== News List ========== */
.news-section { padding: 72px 0; }
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 38px;
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.section-title {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
}
.section-sub { margin-top: 10px; font-size: 15px; color: var(--text-light); max-width: 640px; }
.view-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.view-more-link:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.news-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .card-thumb img { transform: scale(1.06); }
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 107, 53, 0.94);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  letter-spacing: 0.5px;
}
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover .card-title { color: var(--accent); }
.card-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.card-date, .card-read {
  font-size: 13px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-read {
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
}
.card-read:hover { color: var(--accent); }
/* ========== Feature Topic ========== */
.feature-topic {
  padding: 80px 0;
  background: linear-gradient(130deg, rgba(11, 31, 54, 0.92), rgba(11, 42, 74, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  position: relative;
}
.feature-topic::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.24) 0%, transparent 70%);
}
.feature-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 44px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.feature-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.feature-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
}
.feature-desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 28px;
}
.feature-points { display: grid; gap: 14px; margin-bottom: 30px; }
.feature-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}
.feature-point i {
  color: var(--accent);
  margin-top: 4px;
  font-size: 15px;
}
.feature-img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.feature-img-wrap img { width: 100%; height: 320px; object-fit: cover; }
/* ========== Rank Section ========== */
.rank-section { padding: 72px 0; background: var(--bg); }
.rank-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}
.rank-panel {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px;
  box-shadow: var(--shadow);
}
.rank-panel-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.rank-panel-header span {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.rank-panel-header h3 { font-size: 19px; font-weight: 700; color: var(--text-dark); }
.rank-list { display: grid; gap: 4px; }
.rank-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 12px;
  border-radius: var(--radius-xs);
  transition: var(--transition);
}
.rank-list-item:hover { background: var(--bg); transform: translateX(4px); }
.rank-number {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text-light);
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.rank-list-item:nth-child(1) .rank-number { background: #fff3e0; color: #e65100; }
.rank-list-item:nth-child(2) .rank-number { background: #eceff1; color: #455a64; }
.rank-list-item:nth-child(3) .rank-number { background: #fbe9e7; color: #bf360c; }
.rank-name { flex: 1; font-size: 15px; font-weight: 600; color: var(--text-dark); }
.rank-heat {
  font-size: 13px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.rank-heat i { color: var(--accent); }
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-item {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}
.tag-item:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}
/* ========== FAQ ========== */
.faq-section { padding: 72px 0; background: var(--bg-white); }
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 16px 24px 20px; font-size: 15px; color: var(--text-light); line-height: 1.8; }
/* ========== CTA ========== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(11, 42, 74, 0.88), rgba(11, 31, 54, 0.92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-inner { max-width: 620px; margin: 0 auto; }
.cta-title { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; margin-bottom: 16px; }
.cta-desc { font-size: 17px; color: rgba(255, 255, 255, 0.85); margin-bottom: 30px; line-height: 1.8; }
.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-input {
  width: 320px;
  max-width: 100%;
  padding: 13px 22px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 15px;
  outline: none;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.cta-input::placeholder { color: rgba(255, 255, 255, 0.6); }
.cta-input:focus { border-color: var(--accent); background: rgba(255, 255, 255, 0.18); }
.cta-hint { margin-top: 16px; font-size: 13px; color: rgba(255, 255, 255, 0.6); }
/* ========== Footer ========== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.78);
  padding: 60px 0 28px;
  font-size: 14px;
  line-height: 1.8;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { max-width: 360px; color: rgba(255, 255, 255, 0.62); }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  padding: 5px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact p { display: flex; align-items: center; gap: 8px; padding: 5px 0; color: rgba(255, 255, 255, 0.62); }
.footer-contact i { color: var(--accent); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  text-align: center;
  color: rgba(255, 255, 255, 0.48);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.48); }
.footer-bottom a:hover { color: var(--accent); }
/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-inner { grid-template-columns: 1fr; }
  .feature-img-wrap img { height: 260px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-item::after { display: none; }
  .rank-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .desktop-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(11, 42, 74, 0.1);
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    gap: 4px;
    border-radius: 0 0 16px 16px;
  }
  .desktop-nav.open { display: flex; }
  .nav-link { border-radius: 10px; padding: 12px 16px; }
  .menu-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .mobile-tabbar { display: block; }
  body { padding-bottom: var(--tabbar-height); margin-bottom: 0; }
  .page-hero { padding: 56px 0 56px; }
  .hero-title { font-size: 34px; }
  .news-section { padding: 56px 0; }
  .feature-topic { padding: 56px 0; }
  .rank-section { padding: 56px 0; }
  .faq-section { padding: 56px 0; }
  .cta-section { padding: 60px 0; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-num { font-size: 28px; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { gap: 16px; }
  .cta-form { flex-direction: column; }
  .cta-input { width: 100%; }
  .feature-img-wrap img { height: 200px; }
  .rank-panel { padding: 20px; }
  .footer-bottom { font-size: 12px; line-height: 1.7; }
}

/* roulang page: article */
:root {
  --primary: #1a4b8c;
  --primary-dark: #123a6d;
  --primary-light: #2a6cb8;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f8fafc;
  --bg-alt: #eef2f7;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
  --spacing: 24px;
  --transition: all 0.3s ease;
}
*, *::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", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}
body.has-tab-nav { padding-bottom: 64px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style-position: inside; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 15px;
  border: 2px solid transparent; transition: var(--transition); line-height: 1.4;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26, 75, 140, 0.3); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.7); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; color:#fff; transform: translateY(-2px); }
.btn-primary-light { background: #fff; color: var(--primary); border-color: #fff; }
.btn-primary-light:hover { background: rgba(255,255,255,0.88); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
.btn-small { padding: 8px 18px; font-size: 14px; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font-size: 20px; font-weight: 800; box-shadow: 0 4px 12px rgba(26,75,140,0.3);
}
.logo-text { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: 0.5px; }
.logo-text em { font-style: normal; color: var(--accent); }
.desktop-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 18px; border-radius: 24px; font-size: 15px; font-weight: 500;
  color: var(--text-light); transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(26,75,140,0.06); }
.nav-link.active { color: var(--primary); background: rgba(26,75,140,0.1); font-weight: 600; }
.header-cta { flex-shrink: 0; }
.menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 8px; font-size: 18px; color: var(--text); }

.bottom-tab-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  border-top: 1px solid var(--border); box-shadow: 0 -4px 16px rgba(15,23,42,0.08);
}
.bottom-tab-nav .tab-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 10px 0 12px; font-size: 11px; color: var(--text-light); gap: 4px;
  transition: var(--transition);
}
.bottom-tab-nav .tab-item i { font-size: 18px; }
.bottom-tab-nav .tab-item.active { color: var(--primary); font-weight: 600; }

.page-banner {
  position: relative; padding: 48px 0 40px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
  color: #fff;
}
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,25,47,0.85), rgba(26,75,140,0.72));
}
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; opacity: 0.7; }
.breadcrumb span { color: rgba(255,255,255,0.65); }
.page-head { max-width: 860px; }
.page-head h1 { font-size: 34px; font-weight: 800; line-height: 1.35; margin-bottom: 16px; color: #fff; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,0.8); }
.meta-item i { color: var(--accent); }

.article-section { padding: 48px 0 24px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 32px; align-items: start; }
.article-main {
  background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 36px; border: 1px solid rgba(255,255,255,0.6);
}
.article-content { font-size: 16px; line-height: 1.9; color: #334155; }
.article-content p { margin-bottom: 20px; }
.article-content h2 { font-size: 24px; font-weight: 700; color: var(--text); margin: 36px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--text); margin: 28px 0 12px; }
.article-content ul, .article-content ol { margin: 0 0 20px 24px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--accent); background: #fffbeb;
  padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 24px 0; color: #92400e;
}
.article-content img { border-radius: 12px; margin: 24px 0; box-shadow: var(--shadow); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-content th { background: var(--primary); color: #fff; padding: 10px 14px; text-align: left; }
.article-content td { border: 1px solid var(--border); padding: 10px 14px; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--accent-dark); }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding-top: 28px; margin-top: 24px; border-top: 1px solid var(--border); }
.tag-label { font-size: 14px; color: var(--text-light); font-weight: 600; }
.tag {
  display: inline-flex; align-items: center; padding: 6px 16px; border-radius: 30px;
  background: rgba(26,75,140,0.08); color: var(--primary); font-size: 13px; font-weight: 500;
  transition: var(--transition);
}
.tag:hover { background: var(--primary); color: #fff; }

.article-not-found { text-align: center; padding: 60px 20px 40px; }
.article-not-found i { font-size: 56px; color: var(--text-muted); margin-bottom: 20px; }
.article-not-found h2 { font-size: 26px; color: var(--text); margin-bottom: 12px; }
.article-not-found p { color: var(--text-light); margin-bottom: 24px; }

.article-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-widget {
  background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px; border: 1px solid rgba(255,255,255,0.6);
}
.widget-head { margin-bottom: 16px; }
.widget-head h3 { font-size: 18px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.widget-head h3 i { color: var(--accent); }
.widget-list { display: flex; flex-direction: column; }
.widget-list-item {
  display: flex; align-items: center; gap: 14px; padding: 12px 0;
  border-bottom: 1px solid var(--border); transition: var(--transition);
}
.widget-list-item:last-child { border-bottom: none; }
.widget-list-item:hover { padding-left: 6px; }
.widget-thumb {
  width: 68px; height: 52px; border-radius: 8px; flex-shrink: 0;
  background-size: cover; background-position: center; background-color: var(--bg-alt);
}
.widget-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.widget-title { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.widget-list-item:hover .widget-title { color: var(--primary); }
.widget-meta { font-size: 12px; color: var(--text-muted); }
.widget-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tip-card { background: linear-gradient(135deg, rgba(26,75,140,0.06), rgba(245,158,11,0.06)); border-radius: 12px; padding: 24px; text-align: center; }
.tip-card i { font-size: 36px; color: var(--accent); margin-bottom: 12px; }
.tip-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.tip-card p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }

.related-section { padding: 40px 0 48px; background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 { font-size: 30px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.section-head h2 i { color: var(--accent); }
.section-head p { color: var(--text-light); font-size: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.related-card {
  background: var(--card-bg); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition); border: 1px solid rgba(255,255,255,0.8);
  display: flex; flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-cover { position: relative; height: 140px; background-size: cover; background-position: center; background-color: var(--bg-alt); }
.related-badge {
  position: absolute; top: 10px; left: 10px;
  background: rgba(255,255,255,0.92); color: var(--primary);
  padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
  backdrop-filter: blur(4px);
}
.related-body { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.related-body h3 { font-size: 15px; font-weight: 700; line-height: 1.45; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card:hover .related-body h3 { color: var(--primary); }
.related-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { font-size: 12px; color: var(--text-muted); margin-top: auto; }

.faq-section { padding: 56px 0; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border-radius: var(--radius-sm); box-shadow: var(--shadow); margin-bottom: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.7); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; font-size: 16px; font-weight: 600; color: var(--text);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 14px; color: var(--text-muted); transition: var(--transition); }
.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding: 0 24px 20px; color: var(--text-light); font-size: 15px; line-height: 1.8; }

.cta-section { padding: 60px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; width: 400px; height: 400px; border-radius: 50%; background: rgba(255,255,255,0.08); top: -120px; right: -80px; }
.cta-section::after { content: ''; position: absolute; width: 240px; height: 240px; border-radius: 50%; background: rgba(245,158,11,0.2); bottom: -80px; left: 40px; }
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-inner h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,0.8); max-width: 620px; margin: 0 auto 28px; font-size: 16px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: #0f172a; color: rgba(255,255,255,0.7); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); margin-top: 16px; line-height: 1.7; max-width: 260px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,0.65); transition: var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 14px; color: rgba(255,255,255,0.65); display: flex; align-items: center; gap: 8px; }
.footer-contact p i { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; font-size: 13px; color: rgba(255,255,255,0.45); text-align: center; }
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: var(--accent); }

@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 768px) {
  body { padding-bottom: 64px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .bottom-tab-nav { display: flex; }
  .container { padding: 0 16px; }
  .header-inner { height: 60px; }
  .page-banner { padding: 36px 0 30px; }
  .page-head h1 { font-size: 26px; }
  .article-section { padding: 20px 0; }
  .article-main { padding: 20px; }
  .article-content { font-size: 15px; }
  .related-section { padding: 36px 0 32px; }
  .section-head h2 { font-size: 24px; }
  .faq-section { padding: 40px 0; }
  .cta-section { padding: 44px 0; }
  .cta-inner h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .article-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-meta { gap: 12px; }
  .cta-actions { flex-direction: column; align-items: center; }
}

/* roulang page: category2 */
:root {
  --primary: #6d28d9;
  --primary-dark: #5b21b6;
  --primary-deeper: #4c1d95;
  --primary-light: #ede9fe;
  --primary-lighter: #f5f3ff;
  --accent: #f59e0b;
  --accent-soft: #fef3c7;
  --accent2: #10b981;
  --accent2-soft: #d1fae5;
  --bg: #f8fafc;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-primary: 0 12px 30px rgba(109, 40, 217, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --header-h: 76px;
}

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

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

body {
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}

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

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

a:hover {
  color: var(--primary-dark);
}

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 12px;
}

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

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

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deeper) 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-primary);
}

.logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.logo-text em {
  font-style: normal;
  color: var(--primary);
  font-weight: 700;
  display: block;
  font-size: 12px;
  letter-spacing: 2px;
  margin-top: 1px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-soft);
  border-radius: 999px;
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}

.header-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 999px;
  transition: var(--transition);
  line-height: 1.4;
}

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

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(109, 40, 217, 0.32);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-lighter);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-small {
  padding: 8px 18px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--primary);
  color: #fff;
}

/* mobile drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: #fff;
  padding: 16px 20px 24px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  border-radius: 0 0 20px 20px;
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer .nav-link {
  display: flex;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  border-bottom: 1px solid var(--bg);
}

.mobile-drawer .nav-link:last-child {
  border-bottom: none;
}

/* ===== Bottom Tab ===== */
.bottom-tab {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--border);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
  box-shadow: 0 -8px 30px rgba(15, 23, 42, 0.08);
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 18px;
  border-radius: 16px;
  transition: var(--transition);
}

.tab-item i {
  font-size: 20px;
}

.tab-item:hover,
.tab-item.active {
  color: var(--primary);
  background: var(--primary-light);
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 110px 0 90px;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.88) 0%, rgba(76, 29, 149, 0.78) 55%, rgba(109, 40, 217, 0.58) 100%);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb .sep {
  opacity: 0.5;
}

.hero-title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 18px;
}

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

.hero-desc {
  max-width: 620px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(8px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 52px;
}

.hero-stat {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(10px);
  text-align: center;
}

.hero-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.hero-stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

/* ===== Watch Ways ===== */
.ways-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.way-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.way-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(109, 40, 217, 0.2);
}

.way-media {
  position: relative;
  height: 190px;
  overflow: hidden;
}

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

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

.way-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.55) 0%, transparent 50%);
}

.way-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.way-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.way-body h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
}

.way-body p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.way-list {
  margin-bottom: 18px;
}

.way-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-soft);
  padding: 4px 0;
}

.way-list li i {
  color: var(--accent2);
  font-size: 12px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent2-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.way-link {
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
}

.way-link i {
  transition: transform 0.3s ease;
}

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

/* ===== Schedule ===== */
.schedule-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--primary-lighter) 100%);
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.schedule-item {
  display: grid;
  grid-template-columns: 120px 1fr 200px 140px;
  align-items: center;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: var(--transition);
}

.schedule-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(109, 40, 217, 0.18);
  transform: translateX(4px);
}

.schedule-date {
  text-align: center;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 10px 8px;
}

.schedule-date strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.schedule-date span {
  font-size: 13px;
  color: var(--text-soft);
  font-weight: 600;
}

.schedule-match {
  min-width: 0;
}

.schedule-match .match-league {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.schedule-match .match-teams {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.schedule-match .match-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.schedule-platform {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.platform-tag {
  font-size: 12px;
  font-weight: 600;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--text-soft);
}

.schedule-status {
  text-align: right;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
}

.status-live {
  background: #fef2f2;
  color: #dc2626;
}

.status-live i {
  animation: pulse 1.6s ease infinite;
}

.status-upcoming {
  background: var(--accent-soft);
  color: #b45309;
}

.status-done {
  background: var(--bg);
  color: var(--text-muted);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.schedule-more {
  text-align: center;
  margin-top: 36px;
}

/* ===== Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-light));
  border-radius: 2px;
  z-index: 0;
}

.step-card {
  position: relative;
  z-index: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

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

.step-num {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deeper) 100%);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-primary);
}

.step-card h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* ===== Checklist ===== */
.check-section {
  background: var(--primary-deeper);
  color: #fff;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-blend-mode: multiply;
}

.check-section .section-title,
.check-section .section-desc {
  color: #fff;
}

.check-section .section-eyebrow {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

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

.check-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.check-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.check-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.check-card-head i {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent);
}

.check-card-head h3 {
  font-size: 16px;
  font-weight: 800;
}

.check-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

.check-tip {
  margin-top: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.check-tip i {
  margin-top: 3px;
  color: var(--accent);
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  transition: var(--transition);
  overflow: hidden;
}

.faq-item:hover {
  border-color: rgba(109, 40, 217, 0.2);
}

.faq-item.open {
  box-shadow: var(--shadow);
  border-color: rgba(109, 40, 217, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  background: transparent;
}

.faq-question i {
  color: var(--primary);
  font-size: 16px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item.open .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
  border-top: 1px solid var(--bg);
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-panel {
  position: relative;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: 28px;
  padding: 64px 56px;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(76, 29, 149, 0.92) 0%, rgba(109, 40, 217, 0.78) 100%);
}

.cta-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-content h2 {
  font-size: 30px;
  font-weight: 900;
  margin-bottom: 12px;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
}

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

/* ===== Footer ===== */
.site-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 90px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 26px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
  color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .section {
    padding: 72px 0;
  }

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

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

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

  .steps-grid::before {
    display: none;
  }

  .schedule-item {
    grid-template-columns: 100px 1fr 160px;
  }

  .schedule-status {
    grid-column: 3;
    text-align: left;
  }

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

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

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

  .site-header {
    height: 64px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  body {
    padding-bottom: 72px;
  }

  .bottom-tab {
    display: flex;
  }

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

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

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

  .section-title {
    font-size: 27px;
  }

  .section {
    padding: 60px 0;
  }

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

  .way-media {
    height: 200px;
  }

  .schedule-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
  }

  .schedule-date {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 8px 12px;
  }

  .schedule-date strong {
    font-size: 20px;
  }

  .schedule-status {
    grid-column: auto;
    text-align: left;
  }

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

  .step-card {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    padding: 20px;
  }

  .step-num {
    margin: 0;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .step-card h3 {
    margin-bottom: 4px;
  }

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

  .cta-panel {
    padding: 40px 28px;
    border-radius: 20px;
  }

  .cta-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
  }

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

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

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

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 17px;
    border-radius: 10px;
  }

  .logo-text {
    font-size: 17px;
  }

  .page-hero {
    padding: 54px 0 44px;
  }

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

  .hero-tags .tag {
    padding: 6px 12px;
    font-size: 13px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 36px;
  }

  .hero-stat {
    padding: 14px 10px;
  }

  .hero-stat strong {
    font-size: 22px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .schedule-item {
    padding: 14px;
  }

  .schedule-match .match-teams {
    font-size: 15px;
    white-space: normal;
  }

  .platform-tag {
    font-size: 11px;
    padding: 4px 8px;
  }

  .step-card {
    flex-direction: column;
    text-align: center;
    padding: 22px 16px;
  }

  .step-num {
    margin: 0 auto 12px;
  }

  .check-card {
    padding: 20px;
  }

  .faq-question {
    font-size: 15px;
    padding: 16px 16px;
  }

  .faq-answer-inner {
    padding: 0 16px 18px;
  }

  .cta-actions {
    flex-direction: column;
  }

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

  .tab-item {
    padding: 6px 12px;
    font-size: 11px;
  }
}