/* roulang page: index */
:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --bg: #f8fafc;
  --bg-alt: #eef2ff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 8px 40px rgba(15, 23, 42, 0.14);
  --shadow-primary: 0 8px 32px rgba(79, 70, 229, 0.36);
  --transition: all 0.3s ease;
  --container: 1200px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

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

/* ===== 排版层级 ===== */
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--dark);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-top: 8px;
  max-width: 600px;
  line-height: 1.7;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.45);
  background: linear-gradient(135deg, #3730a3 0%, #4f46e5 100%);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.9);
  color: var(--dark);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  border-color: #fff;
}

.btn:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

/* ===== 标签 / 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  letter-spacing: 0.02em;
}

.badge-accent {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
}

.badge-green {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.tag:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ===== 导航 Header ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: var(--container);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 56px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.1);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.92);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
}

.logo span {
  color: var(--primary);
  margin-left: 4px;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(79, 70, 229, 0.08);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.1);
  transition: var(--transition);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: var(--transition);
  margin: 0 auto;
}

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

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

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 140px 0 80px;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(30, 27, 75, 0.72) 42%, rgba(79, 70, 229, 0.52) 100%);
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 70%, rgba(245, 158, 11, 0.22) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  color: #fff;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.85rem;
  font-weight: 500;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}

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

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: linear-gradient(90deg, var(--accent-light), #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

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

/* ===== 提示条 ===== */
.notice-bar {
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.06), rgba(245, 158, 11, 0.1));
  border: 1px solid rgba(79, 70, 229, 0.16);
  border-radius: var(--radius);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  margin-top: -40px;
  position: relative;
  z-index: 2;
  background-color: #fff;
  box-shadow: var(--shadow);
}

.notice-bar i {
  color: var(--accent);
  font-size: 1.2rem;
}

.notice-bar strong {
  color: var(--dark);
}

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

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

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

/* ===== Intro 卡片 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.intro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

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

.intro-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
}

.intro-card:nth-child(2) .intro-card__icon {
  background: linear-gradient(135deg, var(--accent), #f97316);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

.intro-card:nth-child(3) .intro-card__icon {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.intro-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.intro-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

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

.cate-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.cate-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.2) 60%, rgba(15, 23, 42, 0.05) 100%);
  z-index: -1;
}

.cate-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.6s ease;
}

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

.cate-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.cate-card__body {
  padding: 28px;
  color: #fff;
  width: 100%;
}

.cate-card__body .badge {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  margin-bottom: 12px;
}

.cate-card__body h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.cate-card__body p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 14px;
}

.cate-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-light);
}

.cate-card__link i {
  transition: transform 0.3s ease;
}

.cate-card__link:hover i {
  transform: translateX(4px);
}

/* ===== 数据统计 ===== */
.stats-section {
  position: relative;
  background: linear-gradient(135deg, var(--dark) 0%, #1e1b4b 100%);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  padding: 80px 0;
  isolation: isolate;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 27, 75, 0.82) 100%);
  z-index: -1;
}

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

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

.stat-item__num {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-item__num span {
  color: var(--accent-light);
  font-size: 0.6em;
  margin-left: 2px;
}

.stat-item__label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

/* ===== 最新资讯 ===== */
.news-section {
  background: var(--bg);
}

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

.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
}

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

.news-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 26px;
  gap: 0;
}

.news-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.news-card__time {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}

.news-card:hover .news-card__title {
  color: var(--primary);
}

.news-card__desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.news-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.news-card__more i {
  transition: transform 0.3s ease;
}

.news-card:hover .news-card__more i {
  transform: translateX(4px);
}

.empty-text {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-light);
  font-size: 1rem;
}

/* ===== 热门排行 ===== */
.ranking-section {
  background: var(--bg-alt);
}

.ranking-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 860px;
  margin: 0 auto;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: var(--transition);
}

.ranking-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.ranking-item__num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-muted);
  min-width: 48px;
  text-align: center;
  line-height: 1;
}

.ranking-item:nth-child(1) .ranking-item__num {
  color: var(--accent);
}

.ranking-item:nth-child(2) .ranking-item__num {
  color: #94a3b8;
}

.ranking-item:nth-child(3) .ranking-item__num {
  color: #d97706;
}

.ranking-item__body {
  flex: 1;
}

.ranking-item__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.ranking-item__meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.ranking-item__score {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.ranking-item__score i {
  color: var(--accent);
}

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

.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.faq-item summary {
  list-style: none;
  padding: 22px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

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

.faq-item summary i {
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary i.fa-chevron-down {
  transform: rotate(180deg);
}

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

.faq-text {
  padding: 0 28px 24px;
  color: var(--text-light);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.92) 0%, rgba(30, 27, 75, 0.94) 100%);
  z-index: -1;
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.cta-inner h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  font-size: 0.95rem;
}

.cta-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.cta-form input[type="email"]:focus {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  outline: 3px solid rgba(255, 255, 255, 0.15);
}

.cta-form .btn {
  border-color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

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

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

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.92rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.footer-col a i {
  font-size: 0.75rem;
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .intro-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    gap: 20px;
  }
  
  .cate-grid {
    grid-template-columns: 1fr;
  }
  
  .cate-card {
    aspect-ratio: 16 / 8;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  
  .section {
    padding: 70px 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: var(--transition);
  }
  
  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 12px 18px;
  }
  
  .intro-grid {
    grid-template-columns: 1fr;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  
  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .notice-bar {
    margin-top: -24px;
    flex-wrap: wrap;
    padding: 14px 18px;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .faq-item summary {
    padding: 18px 20px;
  }
  
  .faq-text {
    padding: 0 20px 20px;
  }
  
  .cta-form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-form input[type="email"] {
    width: 100%;
    min-width: 0;
  }
  
  .ranking-item {
    padding: 16px 18px;
    gap: 14px;
  }
  
  .ranking-item__num {
    font-size: 1.2rem;
    min-width: 36px;
  }
  
  .stat-item__label {
    font-size: 0.85rem;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .header-inner {
    padding: 10px 16px;
  }
  
  .logo {
    font-size: 1.15rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .section-subtitle {
    font-size: 0.95rem;
  }
  
  .cate-card {
    aspect-ratio: 4 / 3;
  }
  
  .cate-card__body {
    padding: 20px;
  }
  
  .cate-card__body h3 {
    font-size: 1.35rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .stat-item__num {
    font-size: 1.8rem;
  }
  
  .news-card__link {
    padding: 20px;
  }
  
  .ranking-item {
    flex-wrap: wrap;
  }
  
  .ranking-item__score {
    margin-left: auto;
  }
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: #c7d2fe;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* roulang page: category1 */
:root{
  --primary:#1e1b4b;
  --primary-2:#312e81;
  --accent:#f59e0b;
  --accent-2:#fbbf24;
  --bg:#f1f5f9;
  --surface:#ffffff;
  --text:#1e293b;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:28px;
  --shadow:0 10px 30px rgba(30,41,59,.08);
  --shadow-lg:0 24px 50px rgba(30,41,59,.12);
  --space:16px;
  --container:1220px;
  --header-top:16px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;background:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
section{position:relative}

/* Scrollbar */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:999px;
  font-weight:600;font-size:15px;letter-spacing:.02em;
  cursor:pointer;transition:all .3s ease;line-height:1.4;
  border:1px solid transparent;justify-content:center;
}
.btn-primary{background:var(--accent);color:#1e1b4b;box-shadow:0 8px 20px rgba(245,158,11,.3)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary-2);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(255,255,255,.15)}
.btn-light:hover{background:var(--accent);color:#1e1b4b;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:var(--accent);color:var(--primary)}
.btn:focus-visible{outline:3px solid rgba(245,158,11,.5);outline-offset:2px}

.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:3px 12px;border-radius:999px;font-size:12px;
  font-weight:600;line-height:1.8;background:#fef3c7;color:#92400e;
}
.badge-blue{background:#e0f2fe;color:#075985}
.badge-green{background:#dcfce7;color:#166534}
.badge-purple{background:#ede9fe;color:#5b21b6}
.badge-red{background:#fee2e2;color:#991b1b}
.badge-gray{background:#f1f5f9;color:#475569}

.section-title{
  font-size:34px;font-weight:800;line-height:1.3;letter-spacing:-.01em;
  color:var(--primary);margin-bottom:8px;position:relative;
}
.section-subtitle{color:var(--text-muted);font-size:16px;max-width:600px;margin-bottom:40px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:36px}
.section-head .more-link{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:2px solid var(--border);border-radius:999px;transition:all .3s ease}
.section-head .more-link:hover{border-color:var(--accent);color:var(--accent);transform:translateX(4px)}
.section-head .more-link i{font-size:12px}

/* ============ Header ============ */
.site-header{
  position:fixed;top:var(--header-top);left:0;right:0;z-index:1000;
  display:flex;justify-content:center;padding:0 20px;
  pointer-events:none;
}
.header-inner{
  pointer-events:auto;
  width:100%;max-width:var(--container);
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  border-radius:999px;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 28px;
  box-shadow:0 10px 35px rgba(15,23,42,.12);
  border:1px solid rgba(255,255,255,.8);
  transition:box-shadow .3s ease,background .3s ease;
}
.header-inner.scrolled{background:rgba(255,255,255,.98);box-shadow:0 14px 45px rgba(15,23,42,.18)}
.logo{font-size:22px;font-weight:900;color:var(--primary);letter-spacing:-.02em;display:flex;align-items:center;gap:2px;white-space:nowrap}
.logo span{color:var(--accent);font-weight:800}
.logo i{color:var(--accent);margin-right:6px;font-size:20px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  font-size:15px;font-weight:500;line-height:1.4;
  border-radius:999px;padding:9px 20px;color:var(--text);
  position:relative;transition:all .3s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:#f8fafc}
.nav-link.active{color:var(--primary);font-weight:700;background:var(--primary);color:#fff;box-shadow:0 4px 15px rgba(30,27,75,.25)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:var(--primary);cursor:pointer;transition:background .3s ease;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Banner ============ */
.category-banner{
  position:relative;padding:150px 0 90px;
  background:linear-gradient(135deg,rgba(30,27,75,.93) 0%,rgba(49,46,129,.85) 50%,rgba(79,70,229,.8) 100%);
  overflow:hidden;
}
.category-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.22;mix-blend-mode:luminosity;
}
.category-banner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 20% 80%,rgba(245,158,11,.25),transparent 50%),
             radial-gradient(ellipse at 80% 20%,rgba(99,102,241,.35),transparent 50%);
}
.banner-content{position:relative;z-index:2;max-width:760px}
.breadcrumb-banner{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);
  margin-bottom:24px;flex-wrap:wrap;
}
.breadcrumb-banner a:hover{color:var(--accent)}
.breadcrumb-banner i{font-size:10px;color:rgba(255,255,255,.45)}
.banner-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.16);color:#fde68a;font-size:13px;font-weight:600;padding:7px 18px;border-radius:999px;margin-bottom:20px;backdrop-filter:blur(6px)}
.banner-tag i{font-size:12px;color:var(--accent)}
.category-banner h1{
  font-size:44px;line-height:1.25;font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:16px;
  text-shadow:0 4px 24px rgba(0,0,0,.2);
}
.category-banner p{font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);max-width:620px;margin-bottom:32px}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap}
.banner-meta{display:flex;align-items:center;gap:24px;margin-top:36px;flex-wrap:wrap;color:rgba(255,255,255,.7);font-size:13px}
.banner-meta div{display:flex;align-items:center;gap:7px}
.banner-meta i{color:var(--accent);font-size:14px}

/* ============ Topic Tabs ============ */
.topic-tabs{
  margin-top:-45px;position:relative;z-index:5;
  background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:24px 28px;
  border:1px solid rgba(255,255,255,.9);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.topic-label{font-size:13px;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:6px;margin-right:8px}
.topic-label i{color:var(--accent)}
.topic-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 18px;border-radius:999px;background:#f8fafc;
  border:1px solid var(--border);font-size:13px;font-weight:500;
  cursor:pointer;transition:all .3s ease;color:var(--text);
}
.topic-tag:hover{border-color:var(--accent);background:#fffbeb;transform:translateY(-1px)}
.topic-tag.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.topic-tag .count{
  background:rgba(0,0,0,.06);padding:0px 8px;border-radius:999px;font-size:11px;font-weight:700;color:var(--text-muted);
}
.topic-tag.active .count{background:rgba(255,255,255,.22);color:#fff}

/* ============ Latest Grid ============ */
.latest-section{padding:80px 0}
.section-header-flex{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.section-header-flex h2{font-size:32px;font-weight:800;color:var(--primary);position:relative;padding-left:16px}
.section-header-flex h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--accent)}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.game-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .35s ease,box-shadow .35s ease;
  display:flex;flex-direction:column;position:relative;
}
.game-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.game-card-thumb{position:relative;overflow:hidden;height:220px;flex-shrink:0}
.game-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.game-card:hover .game-card-thumb img{transform:scale(1.06)}
.game-card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,23,42,.5),transparent 60%)}
.game-card-badge{position:absolute;top:14px;left:14px;z-index:2}
.game-card-time{position:absolute;bottom:12px;right:12px;z-index:2;background:rgba(15,23,42,.65);color:#fff;font-size:11px;padding:4px 12px;border-radius:999px;backdrop-filter:blur(6px);display:flex;align-items:center;gap:5px}
.game-card-time i{font-size:10px}
.game-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.game-card-body h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:10px;line-height:1.4}
.game-card-body h3 a:hover{color:var(--accent)}
.game-card-body p{color:var(--text-muted);font-size:14px;line-height:1.7;flex:1;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.game-card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #f1f5f9;padding-top:16px}
.avatar-group{display:flex;align-items:center}
.avatar-group .avatar{
  width:30px;height:30px;border-radius:50%;border:2px solid #fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;margin-left:-6px;
}
.avatar-group .avatar:first-child{margin-left:0}
.avatar-group .avatar-more{background:#e2e8f0;color:var(--text-muted);font-size:11px}
.game-card-footer .views{font-size:12px;color:var(--text-muted);display:inline-flex;align-items:center;gap:5px}
.game-card-footer .views i{color:var(--accent);font-size:12px}

/* ============ Rank Section ============ */
.rank-section{padding:80px 0;background:var(--primary)}
.rank-section .section-title,.rank-section .section-subtitle{color:#fff}
.rank-section .section-subtitle{color:rgba(255,255,255,.7)}
.rank-card-preview{
  background:var(--surface);border-radius:var(--radius-lg);padding:32px;
  box-shadow:var(--shadow-lg);display:flex;flex-direction:column;
}
.rank-preview-card{
  display:flex;gap:20px;align-items:center;
  background:#f8fafc;border-radius:var(--radius);padding:16px;margin-bottom:12px;
  transition:background .3s ease;cursor:pointer;border:1px solid transparent;
}
.rank-preview-card:hover{background:#fff;border-color:var(--border);box-shadow:var(--shadow)}
.rank-preview-card img{width:80px;height:80px;border-radius:12px;object-fit:cover;flex-shrink:0}
.rank-preview-body{flex:1}
.rank-preview-body h4{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:4px}
.rank-preview-body p{font-size:13px;color:var(--text-muted);line-height:1.5}
.rank-preview-score{text-align:center;padding:0 10px}
.rank-preview-score .score-num{font-size:28px;font-weight:900;color:var(--accent);line-height:1.2}
.rank-preview-score .score-label{font-size:11px;color:var(--text-muted)}

/* ============ Showcase ============ */
.showcase-section{padding:80px 0}
.showcase-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:28px}
.showcase-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:380px;display:flex;align-items:flex-end;
  background:#111;box-shadow:var(--shadow-lg);
}
.showcase-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7;transition:transform .6s ease,opacity .6s ease}
.showcase-card:hover img{transform:scale(1.05);opacity:.6}
.showcase-overlay{
  position:relative;z-index:2;padding:36px;width:100%;
  background:linear-gradient(to top,rgba(15,23,42,.88) 20%,transparent);
  color:#fff;
}
.showcase-overlay .showcase-label{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);color:#fde68a;font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px;margin-bottom:14px;backdrop-filter:blur(6px)}
.showcase-overlay h3{font-size:26px;font-weight:800;margin-bottom:8px;line-height:1.3}
.showcase-overlay p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.7;margin-bottom:18px;max-width:480px}
.showcase-overlay .showcase-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:rgba(255,255,255,.65)}
.showcase-overlay .showcase-meta i{color:var(--accent);margin-right:4px}
.showcase-card.tall{min-height:380px}

/* ============ Statistics ============ */
.stats-section{padding:80px 0;background:linear-gradient(to right,#fef3c7,#fffbeb)}
.site-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:#fff;border-radius:var(--radius);padding:32px 24px;text-align:center;
  border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,var(--accent),var(--accent-2))}
.stat-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 16px}
.stat-icon i{font-size:24px}
.stat-icon-1{background:#fef3c7;color:#92400e}
.stat-icon-2{background:#dcfce7;color:#166534}
.stat-icon-3{background:#e0f2fe;color:#075985}
.stat-icon-4{background:#ede9fe;color:#5b21b6}
.stat-num{font-size:40px;font-weight:900;color:var(--primary);line-height:1.2}
.stat-label{font-size:14px;color:var(--text-muted);margin-top:6px;font-weight:500}

/* ============ FAQ ============ */
.faq-section{padding:80px 0}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.faq-list{max-width:640px}
.faq-item{
  background:#f8fafc;border-radius:var(--radius);padding:20px 24px;
  border:1px solid transparent;transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
  margin-bottom:12px;
}
.faq-item:hover{background:#fff;border-color:var(--border);box-shadow:var(--shadow)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:15px;font-weight:600;color:var(--primary);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  width:26px;height:26px;border-radius:50%;background:var(--accent);color:#1e1b4b;
  display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
  transition:transform .4s ease;
}
.faq-item details[open] summary .faq-icon{transform:rotate(180deg)}
.faq-item .faq-answer{padding-top:14px;font-size:14px;line-height:1.8;color:var(--text-muted)}

/* ============ CTA ============ */
.cta-section{padding:40px 0 80px}
.cta-box{
  position:relative;border-radius:30px;overflow:hidden;padding:64px 48px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2) 60%,#4338ca);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-lg);
}
.cta-box::before{content:"";position:absolute;top:-50%;right:-20%;width:450px;height:450px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.3),transparent 70%)}
.cta-box::after{content:"";position:absolute;bottom:-60%;left:-10%;width:350px;height:350px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.35),transparent 70%)}
.cta-content{position:relative;z-index:2;max-width:420px}
.cta-content h2{font-size:32px;font-weight:800;margin-bottom:12px;line-height:1.3}
.cta-content p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.7}
.cta-form{position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap;background:rgba(255,255,255,.12);padding:8px;border-radius:999px;border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px)}
.cta-form .news-input{
  flex:1;min-width:220px;padding:14px 22px;border-radius:999px;background:rgba(255,255,255,.14);
  color:#fff;font-size:14px;border:1px solid rgba(255,255,255,.1);
}
.cta-form .news-input::placeholder{color:rgba(255,255,255,.6)}
.cta-form .news-input:focus{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.35)}
.cta-form .btn-subscribe{background:var(--accent);color:var(--primary);font-weight:700;padding:12px 28px;border-radius:999px;cursor:pointer;font-size:14px;transition:all .3s ease;border:1px solid transparent}
.cta-form .btn-subscribe:hover{background:var(--accent-2);box-shadow:0 8px 24px rgba(245,158,11,.45);transform:scale(1.02)}

/* ============ Footer ============ */
.site-footer{background:var(--primary);color:rgba(255,255,255,.8);padding:70px 0 0}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:50px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;opacity:.7;max-width:320px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:28px;height:3px;border-radius:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  font-size:14px;color:rgba(255,255,255,.7);display:inline-flex;align-items:center;gap:8px;
  transition:all .3s ease;
}
.footer-col ul li a i{font-size:10px;color:var(--accent);transition:transform .3s ease}
.footer-col ul li a:hover{color:#fff;transform:translateX(4px)}
.footer-col ul li a:hover i{transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;margin-top:12px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);transition:color .3s ease}
.footer-bottom a:hover{color:var(--accent-2)}

/* ============ Responsive ============ */
@media(max-width:1024px){
  .game-grid{grid-template-columns:repeat(2,1fr)}
  .showcase-grid{grid-template-columns:1fr}
  .site-stats{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .category-banner h1{font-size:36px}
  .cta-box{padding:48px 32px}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;border-radius:20px;padding:12px 18px}
  .main-nav{
    display:none;width:100%;flex-direction:column;align-items:flex-start;
    gap:4px;padding:16px 0 8px;border-top:1px solid var(--border);margin-top:8px;
  }
  .main-nav.open{display:flex}
  .nav-toggle{display:flex}
  .category-banner{padding:130px 0 70px}
  .category-banner h1{font-size:30px}
  .topic-tabs{margin-top:-38px;padding:20px}
  .footer-inner{grid-template-columns:1fr;gap:30px}
  .section-title{font-size:28px}
  .game-grid{grid-template-columns:1fr}
  .site-stats{grid-template-columns:repeat(2,1fr)}
  .stat-num{font-size:32px}
  .showcase-card{min-height:300px}
  .footer-bottom{flex-direction:column;text-align:center}
  .banner-actions .btn{padding:11px 22px;font-size:14px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .header-inner{padding:10px 16px;border-radius:16px}
  .logo{font-size:18px}
  .category-banner{padding:120px 0 60px}
  .category-banner h1{font-size:26px}
  .category-banner p{font-size:15px}
  .banner-meta{gap:14px;flex-direction:column;align-items:flex-start}
  .topic-tag{font-size:12px;padding:7px 14px}
  .site-stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:24px 14px}
  .stat-num{font-size:26px}
  .stat-icon{width:44px;height:44px;font-size:18px}
  .stat-icon i{font-size:20px}
  .cta-form{flex-direction:column;border-radius:24px;padding:12px}
  .cta-form .news-input{min-width:100%}
  .cta-form .btn-subscribe{width:100%}
  .section-header-flex h2{font-size:24px}
  .showcase-overlay{padding:24px}
  .showcase-overlay h3{font-size:22px}
}

/* roulang page: article */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: rgba(79, 70, 229, 0.1);
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg: #f6f7fb;
  --bg-dark: #0f172a;
  --white: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s ease;
  --container: 1200px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button {
  font-family: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  pointer-events: none;
}

.header-inner {
  pointer-events: auto;
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 60px;
  padding: 12px 24px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  transition: box-shadow 0.3s ease;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  white-space: nowrap;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 40px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
}

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

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.article-hero {
  position: relative;
  padding: 170px 0 90px;
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.55) 0%, rgba(15, 23, 42, 0.82) 100%);
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
}

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

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

.breadcrumb i {
  font-size: 12px;
  opacity: 0.6;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 30px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.article-hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  max-width: 860px;
  margin: 0 auto 22px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.article-body {
  padding: 60px 0 70px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.article-main {
  min-width: 0;
}

.article-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 42px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.6);
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.article-content p {
  margin-bottom: 22px;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 14px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 22px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 22px;
  color: var(--text-muted);
  font-style: italic;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}

.article-content table th {
  background: var(--bg);
  font-weight: 600;
}

.article-content pre {
  background: var(--bg-dark);
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin-bottom: 22px;
  font-size: 14px;
  line-height: 1.6;
}

.article-content code {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 14px;
}

.article-content a {
  color: var(--primary);
  border-bottom: 1px solid rgba(79, 70, 229, 0.3);
  transition: var(--transition);
}

.article-content a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.not-found-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 70px 40px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.6);
}

.not-found-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 24px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--primary);
}

.not-found-card h2 {
  font-size: 30px;
  margin-bottom: 12px;
}

.not-found-card p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.65);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.6);
}

.sidebar-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-card h3 i {
  color: var(--primary);
}

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

.sidebar-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}

.sidebar-links a:hover {
  background: var(--primary-light);
  border-color: rgba(79, 70, 229, 0.2);
  color: var(--primary);
  transform: translateX(4px);
}

.sidebar-links span {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.related-section {
  padding: 70px 0;
  background: var(--white);
}

.section-head {
  text-align: center;
  margin-bottom: 44px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 15px;
}

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

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

.related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 70, 229, 0.3);
}

.related-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

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

.related-cat {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(15, 23, 42, 0.75);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  backdrop-filter: blur(6px);
}

.related-body {
  padding: 20px;
}

.related-body h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}

.related-card:hover .related-body h3 {
  color: var(--primary);
}

.related-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

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

.related-foot i {
  margin-right: 4px;
}

.related-more {
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
}

.related-card:hover .related-more {
  color: var(--accent);
  gap: 4px;
}

.no-data {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px;
  color: var(--text-muted);
  font-size: 15px;
  background: var(--bg);
  border-radius: var(--radius);
}

.faq-section {
  padding: 70px 0;
  background: var(--bg);
}

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

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.5);
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.faq-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-item h3 i {
  color: var(--accent);
}

.faq-item p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  padding-left: 30px;
}

.cta-section {
  position: relative;
  padding: 90px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(79, 70, 229, 0.75) 100%);
}

.cta-inner {
  max-width: 760px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-inner p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 34px;
}

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

.site-footer {
  background: var(--bg-dark);
  color: #cbd5e1;
  padding: 60px 0 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: #fff;
  font-size: 22px;
}

.footer-brand p {
  margin-top: 16px;
  opacity: 0.7;
  line-height: 1.8;
  font-size: 14px;
  max-width: 360px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
  font-size: 14px;
  transition: var(--transition);
}

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

.footer-col a i {
  font-size: 12px;
  opacity: 0.7;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  font-size: 13px;
  opacity: 0.6;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a {
  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;
  }

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

@media (max-width: 768px) {
  .header-inner {
    padding: 10px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 76px;
    right: 24px;
    left: 24px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: 16px;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px) scale(0.96);
    transition: var(--transition);
    border: 1px solid rgba(226, 232, 240, 0.6);
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }

  .nav-link {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
  }

  .article-hero {
    padding: 140px 0 60px;
  }

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

  .hero-meta {
    flex-direction: column;
    gap: 8px;
  }

  .article-card {
    padding: 24px;
  }

  .article-content {
    font-size: 15px;
  }

  .article-content h2 {
    font-size: 22px;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

  .faq-item {
    padding: 20px;
  }

  .faq-item p {
    padding-left: 0;
  }

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

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

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

  .site-header {
    padding: 0 12px;
    top: 10px;
  }

  .logo {
    font-size: 20px;
  }

  .article-hero h1 {
    font-size: 24px;
  }

  .breadcrumb {
    font-size: 12px;
    flex-wrap: wrap;
  }

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

  .article-card {
    padding: 18px;
    border-radius: 12px;
  }

  .article-content {
    line-height: 1.75;
  }

  .section-head h2 {
    font-size: 26px;
  }

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

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

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

/* roulang page: category2 */
/* ===== Design Tokens ===== */
:root{
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --primary-light:#eef2ff;
  --secondary:#7c3aed;
  --accent:#f59e0b;
  --accent-light:#fef3c7;
  --dark:#0b1020;
  --dark-2:#151c32;
  --bg:#f6f7fb;
  --white:#ffffff;
  --text:#1e293b;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.05);
  --shadow:0 12px 30px rgba(0,0,0,.08);
  --shadow-lg:0 24px 60px rgba(0,0,0,.12);
  --container:1200px;
  --header-h:72px;
  --transition:all .25s ease;
}

/* ===== Reset / Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
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{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
input,textarea,select{font-family:inherit}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:50px;
  font-weight:600;
  font-size:15px;
  line-height:1;
  transition:var(--transition);
  border:2px solid transparent;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;
  box-shadow:0 8px 20px rgba(79,70,229,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(79,70,229,.4);
  background:linear-gradient(135deg,var(--primary-dark),var(--secondary));
}
.btn-ghost{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.35);
  backdrop-filter:blur(4px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.24);
  border-color:rgba(255,255,255,.7);
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--primary);
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.12)}
.btn:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px}

/* ===== Header / Capsule Nav ===== */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1000;
  padding:0 20px;
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:60px;
  padding:12px 18px 12px 24px;
  box-shadow:0 12px 36px rgba(0,0,0,.08);
  transition:box-shadow .3s ease;
}
.header-inner:hover{box-shadow:0 16px 44px rgba(0,0,0,.1)}
.logo{
  display:flex;
  align-items:center;
  font-weight:800;
  font-size:22px;
  letter-spacing:-.5px;
  color:var(--dark);
  flex-shrink:0;
}
.logo span{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-left:4px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 20px;
  border-radius:40px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  transition:var(--transition);
}
.nav-link i{font-size:14px;opacity:.75}
.nav-link:hover{background:var(--primary-light);color:var(--primary)}
.nav-link.active{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;
  box-shadow:0 6px 18px rgba(79,70,229,.3);
}
.nav-link:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:10px;
  border-radius:12px;
  background:var(--primary-light);
}
.nav-toggle span{
  width:22px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:var(--transition);
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero / Page Banner ===== */
.page-hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  padding:160px 0 90px;
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,16,32,.93) 0%,rgba(30,27,75,.82) 50%,rgba(79,70,229,.62) 100%);
}
.page-hero::after{
  content:'';
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle at 80% 20%,rgba(124,58,237,.25),transparent 50%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:14px;
  font-weight:600;
  padding:8px 18px;
  border-radius:40px;
  margin-bottom:22px;
  backdrop-filter:blur(6px);
}
.hero-badge i{color:var(--accent)}
.hero-inner h1{
  font-size:52px;
  line-height:1.15;
  font-weight:900;
  letter-spacing:-1px;
  margin-bottom:16px;
}
.hero-inner h1 span{
  background:linear-gradient(135deg,#c7d2fe,#f0abfc);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-inner p{
  font-size:18px;
  color:rgba(255,255,255,.82);
  max-width:620px;
  margin-bottom:30px;
  line-height:1.75;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{
  display:flex;
  gap:36px;
  margin-top:46px;
  padding-top:30px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats .stat-item .num{
  font-size:30px;
  font-weight:800;
  color:#fff;
  line-height:1.2;
}
.hero-stats .stat-item .label{
  font-size:14px;
  color:rgba(255,255,255,.65);
  letter-spacing:.03em;
}

/* ===== Section Common ===== */
.section{padding:80px 0}
.section-head{
  max-width:620px;
  margin:0 auto 48px;
  text-align:center;
}
.section-head.left{
  margin:0 0 30px;
  text-align:left;
}
.section-tag{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--primary);
  background:var(--primary-light);
  padding:6px 16px;
  border-radius:30px;
  margin-bottom:12px;
}
.section-head h1,.section-head h2{
  font-size:36px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--dark);
  margin-bottom:10px;
}
.section-head p, .section-head .sub{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.7;
}

/* ===== Notice Bar ===== */
.notice-bar{
  display:flex;
  align-items:center;
  gap:12px;
  background:linear-gradient(135deg,#fef3c7,#fde68a);
  border:1px solid #fcd34d;
  color:#92400e;
  padding:14px 20px;
  border-radius:14px;
  font-size:15px;
  font-weight:500;
  margin-bottom:44px;
  box-shadow:var(--shadow-sm);
}
.notice-bar i{color:#d97706;font-size:18px}
.notice-bar strong{font-weight:800}

/* ===== Tag Panel / Category Entry ===== */
.tag-panel{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
}
.tag-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  transition:var(--transition);
  overflow:hidden;
}
.tag-card::after{
  content:'';
  position:absolute;
  right:-40px;
  bottom:-40px;
  width:90px;
  height:90px;
  background:linear-gradient(135deg,var(--primary-light),var(--accent-light));
  border-radius:50%;
  opacity:.35;
  transition:var(--transition);
}
.tag-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:var(--primary);
}
.tag-card:hover::after{transform:scale(1.2)}
.tag-card i{
  width:48px;
  height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:var(--primary);
  background:var(--primary-light);
  border-radius:14px;
  margin-bottom:6px;
}
.tag-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--dark);
}
.tag-card p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.6;
  position:relative;
  z-index:1;
}
.tag-card .tag-count{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-muted);
  margin-top:4px;
  font-weight:500;
}

/* ===== Guide Cards Grid ===== */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.guide-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.guide-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(79,70,229,.35);
}
.guide-card-cover{
  position:relative;
  height:200px;
  overflow:hidden;
}
.guide-card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.guide-card:hover .guide-card-cover img{transform:scale(1.05)}
.guide-card-cover::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,16,32,.45));
}
.cover-badge{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.92);
  color:var(--text);
  font-size:13px;
  font-weight:600;
  padding:6px 12px;
  border-radius:30px;
  box-shadow:var(--shadow-sm);
}
.cover-badge i{color:var(--primary);font-size:12px}
.cover-fav{
  position:absolute;
  top:14px;
  right:14px;
  z-index:2;
  width:36px;
  height:36px;
  border-radius:50%;
  background:rgba(255,255,255,.35);
  backdrop-filter:blur(4px);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:14px;
  transition:var(--transition);
}
.cover-fav:hover{background:rgba(79,70,229,.8);transform:scale(1.1)}
.guide-card-body{
  padding:22px 22px 20px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.guide-card-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  color:var(--dark);
  margin-bottom:8px;
  transition:var(--transition);
}
.guide-card:hover .guide-card-body h3{color:var(--primary)}
.guide-card-body p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:16px;
  flex:1;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:18px;
  font-size:13px;
  color:var(--text-muted);
  padding-top:14px;
  border-top:1px solid #f1f5f9;
}
.card-meta span{display:inline-flex;align-items:center;gap:6px}
.card-meta i{color:var(--primary);font-size:14px}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  margin-top:12px;
}
.card-link i{font-size:12px;transition:transform .25s}
.card-link:hover i{transform:translateX(4px)}

/* ===== Ranking Section ===== */
.section-ranking{
  background:linear-gradient(180deg,#f6f7fb,#eef2ff);
}
.ranking-layout{
  display:grid;
  grid-template-columns:1fr 1.4fr;
  gap:48px;
  align-items:center;
}
.ranking-info .section-head{margin-bottom:20px}
.ranking-info p{
  font-size:15px;
  color:var(--text-muted);
  margin-bottom:24px;
  line-height:1.75;
}
.avatar-group{
  display:flex;
  align-items:center;
  margin-bottom:20px;
}
.avatar{
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:15px;
  font-weight:700;
  border:2px solid #fff;
  margin-right:-12px;
  box-shadow:var(--shadow-sm);
}
.avatar-more{
  width:40px;
  height:40px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  color:var(--text-muted);
  margin-left:-12px;
  box-shadow:var(--shadow-sm);
}
.rank-list{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:12px;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.rank-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 14px;
  border-radius:14px;
  transition:var(--transition);
  border-bottom:1px solid #f1f5f9;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{
  background:var(--primary-light);
  transform:translateX(4px);
}
.rank-num{
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  background:#f1f5f9;
  color:var(--text-muted);
  flex-shrink:0;
}
.rank-item:nth-child(1) .rank-num{
  background:linear-gradient(135deg,#f59e0b,#fbbf24);
  color:#fff;
  box-shadow:0 4px 12px rgba(245,158,11,.3);
}
.rank-item:nth-child(2) .rank-num{
  background:linear-gradient(135deg,#94a3b8,#cbd5e1);
  color:#fff;
}
.rank-item:nth-child(3) .rank-num{
  background:linear-gradient(135deg,#d97706,#f59e0b);
  color:#fff;
}
.rank-content{flex:1;min-width:0}
.rank-content h4{
  font-size:16px;
  font-weight:700;
  color:var(--dark);
  margin-bottom:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  transition:var(--transition);
}
.rank-item:hover .rank-content h4{color:var(--primary)}
.rank-content .rank-tag{
  font-size:13px;
  color:var(--text-muted);
}
.rank-meta{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-muted);
  flex-shrink:0;
  white-space:nowrap;
}
.rank-meta i{color:var(--accent)}
.rank-trend{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:13px;
  font-weight:600;
  color:#22c55e;
  background:#f0fdf4;
  padding:4px 10px;
  border-radius:20px;
}

/* ===== Steps / Process ===== */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  position:relative;
}
.steps-wrap::before{
  content:'';
  position:absolute;
  top:70px;
  left:16%;
  right:16%;
  height:2px;
  background:linear-gradient(90deg,var(--primary-light),var(--primary),var(--secondary));
  opacity:.3;
}
.step-item{
  position:relative;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 26px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  z-index:1;
}
.step-item:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.step-num{
  width:56px;
  height:56px;
  border-radius:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow:0 8px 20px rgba(79,70,229,.3);
  margin-bottom:18px;
}
.step-item h3{
  font-size:19px;
  font-weight:700;
  color:var(--dark);
  margin-bottom:10px;
}
.step-item p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
}
.step-tip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--accent);
  background:var(--accent-light);
  padding:5px 12px;
  border-radius:20px;
  margin-top:14px;
  font-weight:600;
}

/* ===== FAQ ===== */
.section-faq{background:var(--white)}
.faq-layout{
  display:grid;
  grid-template-columns:380px 1fr;
  gap:60px;
  align-items:start;
}
.faq-side .section-head{text-align:left;margin-bottom:20px}
.faq-side p{
  font-size:15px;
  color:var(--text-muted);
  margin-bottom:20px;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item.open{
  box-shadow:var(--shadow);
  border-color:rgba(79,70,229,.3);
  background:var(--white);
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--dark);
  transition:var(--transition);
}
.faq-question:hover{color:var(--primary)}
.faq-question i{
  color:var(--primary);
  font-size:14px;
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-answer-inner{
  padding:0 22px 20px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.8;
}

/* ===== CTA Section ===== */
.cta-section{
  position:relative;
  padding:90px 0;
  background:linear-gradient(135deg,#1e1b4b,#312e81 55%,#4f46e5);
  overflow:hidden;
  color:#fff;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle at 70% 30%,rgba(245,158,11,.18),transparent 55%),
                   radial-gradient(circle at 15% 80%,rgba(124,58,237,.35),transparent 50%);
}
.cta-inner{
  position:relative;
  z-index:2;
  max-width:720px;
  margin:0 auto;
  text-align:center;
}
.cta-inner h2{
  font-size:38px;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:17px;
  color:rgba(255,255,255,.82);
  margin-bottom:30px;
  line-height:1.7;
}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-meta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:26px;
  font-size:14px;
  color:rgba(255,255,255,.6);
}
.cta-meta i{color:var(--accent)}

/* ===== Footer ===== */
.site-footer{
  background:var(--dark);
  color:#94a3b8;
  padding:60px 0 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:50px;
  padding-bottom:40px;
}
.footer-brand .logo{color:#fff;font-size:24px;margin-bottom:14px}
.footer-brand p{
  font-size:14px;
  line-height:1.7;
  color:#64748b;
  max-width:320px;
}
.footer-col h4{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:#94a3b8;
  padding:4px 0;
}
.footer-col ul li a i{font-size:12px;color:var(--accent)}
.footer-col ul li a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:14px;
  color:#64748b;
}
.footer-bottom a{color:#a5b4fc}
.footer-bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .steps-wrap{grid-template-columns:repeat(3,1fr);gap:16px}
  .ranking-layout{grid-template-columns:1fr;gap:36px}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .hero-inner h1{font-size:42px}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    top:84px;
    left:20px;
    right:20px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(20px);
    border-radius:20px;
    box-shadow:var(--shadow-lg);
    flex-direction:column;
    align-items:stretch;
    padding:16px;
    gap:10px;
    transform:translateY(-16px);
    opacity:0;
    visibility:hidden;
    transition:var(--transition);
    border:1px solid var(--border);
  }
  .main-nav.open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
  }
  .nav-link{justify-content:center;padding:14px 20px;font-size:16px}
  .page-hero{min-height:480px;padding:140px 0 70px}
  .hero-inner h1{font-size:34px}
  .hero-inner p{font-size:16px}
  .hero-stats{gap:20px}
  .hero-stats .stat-item .num{font-size:24px}
  .section{padding:56px 0}
  .section-head h1,.section-head h2{font-size:28px}
  .steps-wrap{grid-template-columns:1fr}
  .steps-wrap::before{display:none}
  .footer-inner{grid-template-columns:1fr;gap:36px}
  .footer-bottom{justify-content:center;text-align:center}
  .cta-inner h2{font-size:30px}
}
@media (max-width:520px){
  .header-inner{padding:10px 12px 10px 16px;border-radius:40px}
  .logo{font-size:18px}
  .nav-toggle span{width:18px}
  .page-hero{padding:120px 0 60px;min-height:440px}
  .hero-inner h1{font-size:28px}
  .hero-badge{font-size:12px;padding:6px 14px}
  .hero-stats{flex-wrap:wrap;gap:14px}
  .guide-grid{grid-template-columns:1fr}
  .tag-panel{grid-template-columns:1fr 1fr;gap:14px}
  .tag-card{padding:20px;border-radius:16px}
  .tag-card h3{font-size:16px}
  .section-head h1,.section-head h2{font-size:24px}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column}
  .rank-item{flex-wrap:wrap;gap:10px}
  .rank-meta{margin-left:54px}
  .footer-inner{gap:30px}
  .footer-bottom{flex-direction:column;padding:18px 0}
}