/* roulang page: index */
:root {
  --primary: #1b2a5e;
  --primary-light: #2d4a8f;
  --primary-dark: #0d1738;
  --accent: #f0b90b;
  --accent-dark: #d19a0b;
  --bg-dark: #070d1f;
  --bg-deep: #040918;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-solid: #101a38;
  --bg-soft: #0f1a3c;
  --text-heading: #ffffff;
  --text-body: #bdc3d7;
  --text-muted: #7c86a5;
  --border-line: rgba(255, 255, 255, 0.09);
  --border-glow: rgba(240, 185, 11, 0.28);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 14px 44px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 36px rgba(240, 185, 11, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
ul,
ol {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: 96px 0;
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(240, 185, 11, 0.1);
  border: 1px solid rgba(240, 185, 11, 0.22);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--text-heading);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}
.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: 100px;
  transition: var(--transition);
  border: 1px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #0d1738;
  box-shadow: 0 8px 30px rgba(240, 185, 11, 0.25);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(240, 185, 11, 0.35);
  color: #0d1738;
}
.btn-outline {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(240, 185, 11, 0.08);
}
.btn-cta {
  background: var(--accent);
  color: #0d1738;
  padding: 10px 24px;
  font-size: 14px;
  box-shadow: none;
}
.btn-cta:hover {
  background: #ffd04a;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(240, 185, 11, 0.3);
  color: #0d1738;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(240, 185, 11, 0.1);
  border: 1px solid rgba(240, 185, 11, 0.2);
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.3px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 13, 31, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-line);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(7, 13, 31, 0.95);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.brand span {
  background: linear-gradient(135deg, var(--accent) 0%, #ffd787 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand:hover {
  opacity: 0.9;
}
.main-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 9px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 600;
}
.nav-link.active::before {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transition: var(--transition);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background-image: linear-gradient(130deg, rgba(4, 9, 24, 0.95) 0%, rgba(13, 23, 56, 0.88) 60%, rgba(29, 43, 85, 0.82) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -15%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 185, 11, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 74, 143, 0.25) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(240, 185, 11, 0.1);
  border: 1px solid rgba(240, 185, 11, 0.25);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: "●";
  font-size: 8px;
  color: var(--accent);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-content h1 {
  font-size: clamp(38px, 5.5vw, 60px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #ffd787 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: #b8c0d6;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats-mini {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-line);
}
.hero-stats-mini > div {
  text-align: left;
}
.hero-stats-mini strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}
.hero-stats-mini strong em {
  font-style: normal;
  color: var(--accent);
}
.hero-stats-mini span {
  font-size: 13px;
  color: var(--text-muted);
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-visual .hero-image {
  width: 100%;
  max-width: 460px;
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-line);
  transform: rotate(1.5deg);
  transition: var(--transition);
}
.hero-visual .hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}
.float-card {
  position: absolute;
  background: rgba(22, 32, 66, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  animation: float-slow 4s ease-in-out infinite;
}
.float-card .float-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: rgba(240, 185, 11, 0.14);
  border: 1px solid rgba(240, 185, 11, 0.2);
}
.float-card strong {
  display: block;
  font-size: 14px;
  color: #fff;
  font-weight: 600;
  line-height: 1.3;
}
.float-card span {
  font-size: 12px;
  color: var(--text-muted);
}
.float-card-1 {
  top: 12%;
  left: -8%;
  animation-delay: 0s;
  z-index: 2;
}
.float-card-2 {
  bottom: 15%;
  right: -4%;
  animation-delay: 2s;
  z-index: 2;
}
@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.features {
  background: var(--bg-dark);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(240, 185, 11, 0.2);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(240, 185, 11, 0.1);
  border: 1px solid rgba(240, 185, 11, 0.18);
  margin-bottom: 24px;
  color: var(--accent);
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: rgba(240, 185, 11, 0.18);
  transform: scale(1.08);
}
.feature-card h3 {
  font-size: 20px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.categories {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border-line);
  transition: var(--transition);
  text-decoration: none;
}
.category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 13, 31, 0.1) 0%, rgba(4, 9, 24, 0.55) 55%, rgba(4, 9, 24, 0.95) 100%);
  transition: var(--transition);
  z-index: 1;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(240, 185, 11, 0.25);
}
.category-card:hover::before {
  background: linear-gradient(180deg, rgba(7, 13, 31, 0.05) 0%, rgba(4, 9, 24, 0.4) 60%, rgba(4, 9, 24, 0.98) 100%);
}
.category-card-body {
  position: relative;
  z-index: 2;
  padding: 32px;
  width: 100%;
}
.category-card-body .category-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(240, 185, 11, 0.12);
  border: 1px solid rgba(240, 185, 11, 0.2);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.category-card-body h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.3;
}
.category-card-body p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 20px;
}
.category-card-body .category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  transition: var(--transition);
}
.category-card-body .category-link:hover {
  gap: 12px;
  color: #ffd04a;
}
.platform-show {
  background: var(--bg-dark);
}
.platform-inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: center;
}
.platform-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-line);
}
.platform-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 400px;
  transition: var(--transition);
}
.platform-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(240, 185, 11, 0.06) 0%, transparent 70%);
}
.platform-content h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  color: #fff;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}
.platform-content > p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}
.platform-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
}
.platform-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  transition: var(--transition);
  line-height: 1.5;
}
.platform-list li:hover {
  background: rgba(240, 185, 11, 0.05);
  border-color: rgba(240, 185, 11, 0.18);
}
.platform-list .list-icon {
  color: var(--accent);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}
.news-section {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: rgba(240, 185, 11, 0.2);
}
.news-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}
.news-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}
.news-title {
  font-size: 18px;
  line-height: 1.45;
  color: #fff;
  font-weight: 600;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-title a {
  color: inherit;
}
.news-title a:hover {
  color: var(--accent);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}
.news-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.news-more:hover {
  gap: 10px;
  color: #ffd04a;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 24px;
  font-size: 16px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
}
.stats {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240, 185, 11, 0.4), transparent);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 48px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.stat-item:hover {
  border-color: rgba(240, 185, 11, 0.22);
  background: rgba(240, 185, 11, 0.04);
}
.stat-item .stat-num {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 10px;
}
.stat-item .stat-num em {
  font-style: normal;
  color: var(--accent);
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.flow {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
}
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 24px;
}
.flow-steps::before {
  content: "";
  position: absolute;
  top: 44px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, rgba(240, 185, 11, 0.15) 100%);
  z-index: 0;
}
.flow-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 16px;
}
.flow-step .step-node {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  background: var(--bg-card-solid);
  border: 2px solid rgba(240, 185, 11, 0.4);
  box-shadow: 0 0 0 8px rgba(240, 185, 11, 0.05);
  transition: var(--transition);
  position: relative;
}
.flow-step:hover .step-node {
  background: rgba(240, 185, 11, 0.15);
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: 0 0 0 12px rgba(240, 185, 11, 0.08), 0 0 30px rgba(240, 185, 11, 0.15);
}
.flow-step h3 {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 10px;
}
.flow-step p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 180px;
  margin: 0 auto;
}
.faq-section {
  background: var(--bg-dark);
}
.faq-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: flex-start;
}
.faq-left {
  position: sticky;
  top: 120px;
}
.faq-left h2 {
  font-size: clamp(28px, 4vw, 40px);
  color: #fff;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}
.faq-left p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active {
  border-color: rgba(240, 185, 11, 0.25);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  text-align: left;
  transition: var(--transition);
  gap: 16px;
}
.faq-question:hover {
  color: var(--accent);
}
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(240, 185, 11, 0.1);
  border: 1px solid rgba(240, 185, 11, 0.2);
  color: var(--accent);
  font-size: 16px;
  transition: var(--transition);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #0d1738;
}
.faq-answer {
  display: none;
  padding: 0 24px 24px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.active .faq-answer {
  display: block;
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.cta-section {
  position: relative;
  padding: 100px 0;
  background-image: linear-gradient(135deg, rgba(4, 9, 24, 0.88) 0%, rgba(13, 23, 56, 0.94) 100%), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(240, 185, 11, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(30px, 4.5vw, 44px);
  color: #fff;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
}
.cta-inner p {
  font-size: 16px;
  color: #bfc7dd;
  margin-bottom: 40px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-line);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand .brand {
  font-size: 22px;
  margin-bottom: 16px;
  display: inline-flex;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 300px;
  margin-top: 14px;
}
.footer-heading {
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a::before {
  content: "›";
  color: var(--accent);
  font-size: 16px;
  line-height: 1;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--border-line);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .footer-domain {
  color: var(--text-muted);
  font-weight: 500;
}
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats-mini {
    justify-content: center;
  }
  .hero-stats-mini > div {
    text-align: center;
  }
  .hero-visual {
    order: -1;
  }
  .hero-visual .hero-image {
    max-width: 360px;
  }
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .platform-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .platform-image img {
    min-height: 300px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .flow-steps::before {
    display: none;
  }
  .faq-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .faq-left {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }
  .header-inner {
    height: 64px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(7, 13, 31, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-line);
    padding: 16px 24px;
    transform: translateY(-110%);
    transition: var(--transition);
    z-index: 999;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
  }
  .nav-link.active::before {
    display: none;
  }
  .hero {
    padding-top: 96px;
    min-height: auto;
  }
  .hero-stats-mini {
    gap: 32px;
    flex-wrap: wrap;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .category-card {
    min-height: 320px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .platform-list {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .float-card-1 {
    left: -2%;
  }
  .float-card-2 {
    right: -2%;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section {
    padding: 60px 0;
  }
  .btn {
    padding: 11px 22px;
    font-size: 14px;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-stats-mini {
    gap: 20px;
  }
  .hero-stats-mini strong {
    font-size: 22px;
  }
  .float-card {
    padding: 10px 14px;
  }
  .float-card .float-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }
  .float-card strong {
    font-size: 13px;
  }
  .category-card {
    min-height: 280px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .flow-steps {
    grid-template-columns: 1fr;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }
  .faq-answer {
    padding: 0 18px 18px;
    font-size: 13px;
  }
  .brand {
    font-size: 17px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #1a2a6c;
  --primary-light: #2d4a9e;
  --primary-dark: #0f1a45;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0e7490;
  --bg-dark: #0a1128;
  --bg-gradient-start: #0f1a45;
  --bg-gradient-end: #1a2a6c;
  --bg-light: #f4f7fc;
  --bg-white: #ffffff;
  --text-light: #f0f4ff;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-light: #e2e8f0;
  --border-dark: rgba(255,255,255,0.12);
  --shadow-sm: 0 2px 8px rgba(15, 26, 69, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 26, 69, 0.12);
  --shadow-lg: 0 20px 48px rgba(15, 26, 69, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;
  --container-w: 1200px;
  --section-space: 96px;
  --transition-fast: all 0.25s ease;
  --transition-slow: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
  font-size: 1rem;
}

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

/* ==================== Header ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 17, 40, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
  position: relative;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 0.02em;
  white-space: nowrap;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.brand span {
  color: var(--accent-light);
  font-weight: 600;
  font-size: 1.2rem;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  padding: 10px 18px;
  color: rgba(240, 244, 255, 0.75);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.12);
}

.nav-link.active {
  color: var(--accent-light);
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.35);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  text-align: center;
}

.btn-cta {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary-dark);
  padding: 10px 24px;
  font-size: 0.9rem;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.35);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.45);
  color: var(--primary-dark);
}

.btn-cta:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26, 42, 108, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26, 42, 108, 0.45);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-light);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(26, 42, 108, 0.04);
}

.btn-light {
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-dark);
}

.btn-light:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  color: var(--primary-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.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);
}

/* ==================== Page Hero ==================== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 60%, #142a5c 100%);
  padding: 100px 0 80px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  mix-blend-mode: screen;
}

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

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(240, 244, 255, 0.6);
  font-size: 0.85rem;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.08);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.breadcrumb a {
  color: rgba(240, 244, 255, 0.75);
}

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

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

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.page-hero .hero-lead {
  color: rgba(240, 244, 255, 0.8);
  font-size: 1.15rem;
  max-width: 680px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: rgba(240, 244, 255, 0.85);
  font-size: 0.88rem;
  font-weight: 500;
}

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

/* ==================== Sections Base ==================== */
.section {
  padding: var(--section-space) 0;
}

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

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ==================== Login Flow ==================== */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.flow-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  position: relative;
  transition: var(--transition-slow);
  box-shadow: var(--shadow-sm);
}

.flow-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6, 182, 212, 0.4);
}

.flow-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(26, 42, 108, 0.06);
  line-height: 1;
}

.flow-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(26, 42, 108, 0.08) 0%, rgba(6, 182, 212, 0.1) 100%);
  border-radius: var(--radius-md);
  font-size: 1.8rem;
  color: var(--primary);
}

.flow-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.flow-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

.method-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-slow);
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26, 42, 108, 0.2);
}

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

.method-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.method-card .card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 17, 40, 0.4) 0%, transparent 60%);
}

.card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: 12px;
}

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

.card-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  flex: 1;
}

.card-link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.92rem;
}

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

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

/* ==================== Tips & Alert ==================== */
.alert-panel {
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: var(--text-light);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.alert-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  mix-blend-mode: screen;
}

.alert-panel .container,
.alert-panel > .container {
  position: relative;
  z-index: 2;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.tip-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(8px);
  transition: var(--transition-fast);
}

.tip-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}

.tip-item i {
  color: var(--accent-light);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.tip-item h4 {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.tip-item p {
  font-size: 0.9rem;
  color: rgba(240, 244, 255, 0.75);
  line-height: 1.7;
}

/* ==================== Steps ==================== */
.steps-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.steps-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 420px;
}

.steps-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.steps-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 42, 108, 0.2) 0%, rgba(10, 17, 40, 0.6) 100%);
}

.step-list {
  list-style: none;
}

.step-list li {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.step-list li:last-child {
  border-bottom: none;
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(26, 42, 108, 0.3);
}

.step-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

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

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.faq-item:hover {
  border-color: rgba(26, 42, 108, 0.2);
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  cursor: pointer;
  gap: 16px;
}

.faq-question h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--accent-dark);
  transition: transform 0.4s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
}

/* ==================== CTA ==================== */
.cta-section {
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--primary) 50%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  mix-blend-mode: screen;
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-light);
}

.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.cta-section p {
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
  color: rgba(240, 244, 255, 0.8);
}

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

/* ==================== Footer ==================== */
.site-footer {
  background: var(--primary-dark);
  padding: 72px 0 32px;
  color: rgba(240, 244, 255, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(240, 244, 255, 0.6);
  max-width: 360px;
}

.footer-heading {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(240, 244, 255, 0.6);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  width: fit-content;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-domain {
  color: rgba(240, 244, 255, 0.4);
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  :root {
    --section-space: 72px;
  }
  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .steps-visual {
    min-height: 320px;
  }
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-dark);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
  }
  .main-nav.open {
    max-height: 500px;
  }
  .main-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 8px;
  }
  .nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }
  .nav-toggle {
    display: flex;
  }
  .header-actions .btn-cta {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 56px;
  }
  .page-hero {
    padding: 70px 0 60px;
  }
  .page-hero h1 {
    font-size: 2rem;
  }
  .flow-grid,
  .methods-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }
  .alert-panel {
    padding: 32px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-inner {
    gap: 12px;
  }
  .brand {
    font-size: 1.25rem;
  }
  .brand span {
    font-size: 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .tip-item {
    padding: 20px;
  }
  .faq-question {
    padding: 18px 20px;
  }
  .faq-answer-inner {
    padding: 0 20px 20px;
  }
  .section-title {
    font-size: 1.7rem;
  }
}

/* roulang page: article */
:root{
  --primary:#0e1a38;
  --primary-dark:#070f24;
  --primary-light:#1b2b55;
  --accent:#e8a33d;
  --accent-dark:#c9852a;
  --accent-light:#f5c168;
  --bg:#f4f6fb;
  --bg-alt:#eef1f6;
  --bg-dark:#0b1428;
  --white:#ffffff;
  --text:#1e2a3a;
  --text-weak:#64748b;
  --text-light:#94a3b8;
  --border:#e2e8f0;
  --border-dark:#233a5e;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 8px 32px rgba(13,27,62,.08);
  --shadow-md:0 12px 36px rgba(13,27,62,.10);
  --shadow-lg:0 20px 56px rgba(13,27,62,.16);
  --shadow-accent:0 8px 24px rgba(232,163,61,.35);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --header-h:74px;
  --container-w:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit;outline:none}
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:1000;height:var(--header-h);background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,232,240,.7);transition:var(--transition)}
.site-header.scrolled{box-shadow:0 4px 24px rgba(13,27,62,.08);background:rgba(255,255,255,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.brand{display:flex;align-items:baseline;gap:2px;font-size:1.5rem;font-weight:800;color:var(--primary);white-space:nowrap;letter-spacing:-.5px}
.brand span{color:var(--accent);font-weight:700}
.main-nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{display:inline-block;padding:10px 20px;border-radius:999px;font-size:.95rem;font-weight:500;color:var(--text);transition:var(--transition);position:relative}
.nav-link:hover{color:var(--primary);background:rgba(14,26,56,.06)}
.nav-link.active{color:var(--primary);background:rgba(14,26,56,.08);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:.95rem;font-weight:600;transition:var(--transition);cursor:pointer;border:2px solid transparent;line-height:1.2}
.btn-cta{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff;box-shadow:var(--shadow-accent)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(232,163,61,.45)}
.btn-cta:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(14,26,56,.25)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,26,56,.04)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:10px;border-radius:8px;background:transparent}
.nav-toggle span{display:block;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)}
.article-hero{position:relative;background-size:cover;background-position:center;padding:120px 0 90px;color:#fff;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,15,36,.94) 0%,rgba(14,26,56,.82) 55%,rgba(14,26,56,.55) 100%);z-index:1}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.875rem;color:rgba(255,255,255,.6);margin-bottom:28px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.75);transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{font-size:.65rem;color:rgba(255,255,255,.4)}
.breadcrumb span{color:rgba(255,255,255,.9)}
.article-hero-title{font-size:clamp(1.75rem,4vw,2.9rem);font-weight:800;line-height:1.25;max-width:900px;margin-bottom:22px;text-shadow:0 4px 24px rgba(0,0,0,.3)}
.article-hero-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:.8125rem;font-weight:600}
.badge-accent{background:rgba(232,163,61,.2);color:var(--accent-light);border:1px solid rgba(232,163,61,.35)}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;color:rgba(255,255,255,.7)}
.meta-item i{color:var(--accent)}
.article-main{padding:60px 0 70px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start}
.article-main-col{min-width:0}
.article-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:48px;border:1px solid rgba(226,232,240,.7)}
.article-body{font-size:1.05rem;line-height:1.9;color:#334155}
.article-body p{margin:1.4em 0}
.article-body h2{font-size:1.55rem;color:var(--primary);margin:1.8em 0 .7em;padding-left:16px;border-left:4px solid var(--accent);line-height:1.4}
.article-body h3{font-size:1.25rem;color:var(--primary);margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:1.6em}
.article-body ul li,.article-body ol li{margin:.55em 0;position:relative;padding-left:4px}
.article-body ul li::before{content:'';position:absolute;left:-1.2em;top:.7em;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(232,163,61,.15)}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;background:#f8fafc;border-left:4px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#475569;font-style:italic}
.article-body img{border-radius:var(--radius);box-shadow:var(--shadow-md);margin:28px auto}
.article-body a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:2px}
.article-body a:hover{color:var(--primary)}
.article-body strong{color:var(--primary);font-weight:700}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:600;color:var(--primary)}
.not-found{text-align:center;padding:60px 30px}
.not-found-icon{font-size:3.5rem;color:var(--accent);margin-bottom:20px;display:block}
.not-found h2{font-size:2rem;color:var(--primary);margin-bottom:14px}
.not-found p{color:var(--text-weak);margin-bottom:28px;max-width:440px;margin-left:auto;margin-right:auto}
.tag-section{margin-top:32px;background:var(--white);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,.6)}
.tag-section h3{font-size:1.1rem;color:var(--primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.tag-section h3 i{color:var(--accent)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a{display:inline-block;padding:6px 16px;border-radius:999px;background:var(--bg);border:1px solid var(--border);font-size:.875rem;color:var(--text-weak);transition:var(--transition)}
.tag-list a:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px)}
.article-sidebar{display:flex;flex-direction:column;gap:32px;position:sticky;top:calc(var(--header-h) + 24px)}
.sidebar-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:28px;border:1px solid rgba(226,232,240,.6)}
.sidebar-card h3{font-size:1.1rem;color:var(--primary);margin-bottom:22px;display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:2px solid var(--bg-alt)}
.sidebar-card h3 i{color:var(--accent)}
.sidebar-cats{display:flex;flex-direction:column;gap:10px}
.sidebar-cats a{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--radius-sm);background:#f8fafc;border:1px solid var(--border);transition:var(--transition)}
.sidebar-cats a:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateX(5px);box-shadow:0 8px 20px rgba(14,26,56,.18)}
.sidebar-cats a:hover .cat-dot{background:var(--accent);box-shadow:0 0 0 4px rgba(232,163,61,.25)}
.cat-dot{flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(232,163,61,.15)}
.cat-name{flex:1;font-weight:500;font-size:.95rem}
.sidebar-cats a i{font-size:.8rem;opacity:.5;transition:var(--transition)}
.sidebar-cats a:hover i{opacity:1;transform:translateX(-3px)}
.sidebar-list{display:flex;flex-direction:column}
.sidebar-list li{border-bottom:1px solid var(--bg-alt)}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list a{display:flex;flex-direction:column;gap:4px;padding:14px 0;transition:var(--transition);border-radius:8px}
.sidebar-list a:hover{transform:translateX(4px)}
.sidebar-list a:hover .sidebar-news-title{color:var(--accent-dark)}
.sidebar-news-title{font-size:.925rem;font-weight:500;color:var(--text);transition:var(--transition);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-news-date{font-size:.75rem;color:var(--text-weak);display:flex;align-items:center;gap:6px}
.sidebar-news-date i{font-size:.7rem;color:var(--accent)}
.sidebar-promo{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:200px;background-size:cover;background-position:center;box-shadow:var(--shadow-md)}
.promo-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,56,.3) 0%,rgba(14,26,56,.88) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff}
.promo-overlay h3{font-size:1.35rem;font-weight:700;margin-bottom:8px}
.promo-overlay p{font-size:.875rem;color:rgba(255,255,255,.8);margin-bottom:18px}
.promo-overlay .btn{align-self:flex-start}
.related-section{background:var(--bg-alt);padding:70px 0;border-top:1px solid var(--border)}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);color:var(--primary);font-weight:800;margin-bottom:10px}
.section-head p{color:var(--text-weak);font-size:1rem}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.related-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,.6);transition:var(--transition);display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-thumb{position:relative;height:190px;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-cat{position:absolute;top:14px;left:14px;background:rgba(14,26,56,.85);backdrop-filter:blur(8px);color:#fff;font-size:.75rem;font-weight:600;padding:5px 14px;border-radius:999px;letter-spacing:.3px}
.related-info{padding:22px 24px;display:flex;flex-direction:column;flex:1;gap:10px}
.related-info h3{font-size:1.1rem;font-weight:700;color:var(--primary);line-height:1.45;transition:var(--transition);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover .related-info h3{color:var(--accent-dark)}
.related-info p{font-size:.875rem;color:var(--text-weak);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:2px}
.related-date{font-size:.78rem;color:var(--text-light);margin-top:auto;display:flex;align-items:center;gap:6px}
.related-date i{color:var(--accent)}
.empty-tip{text-align:center;color:var(--text-weak);padding:40px;background:var(--white);border-radius:var(--radius-lg)}
.cta-section{position:relative;padding:90px 0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;background-attachment:fixed;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(7,15,36,.94) 0%,rgba(14,26,56,.85) 60%,rgba(232,163,61,.35) 100%)}
.cta-section .container{position:relative;z-index:2}
.cta-content{max-width:700px;margin:0 auto;color:#fff}
.cta-content h2{font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:800;margin-bottom:16px;text-shadow:0 4px 20px rgba(0,0,0,.3)}
.cta-content p{font-size:1.05rem;color:rgba(255,255,255,.8);margin-bottom:32px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.75);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;padding-bottom:45px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand{color:#fff;font-size:1.5rem;margin-bottom:16px;display:inline-block}
.footer-brand .brand span{color:var(--accent)}
.footer-brand p{font-size:.9rem;line-height:1.7;max-width:360px;margin-top:12px;color:rgba(255,255,255,.55)}
.footer-heading{color:#fff;font-size:1rem;font-weight:700;margin-bottom:20px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:.9rem;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer-links a:hover{color:var(--accent);padding-left:5px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 0;font-size:.8rem;color:rgba(255,255,255,.35);flex-wrap:wrap;gap:10px}
.footer-domain{letter-spacing:1px}
@media(max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px}
  .article-card{padding:36px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  :root{--header-h:64px}
  .container{padding:0 16px}
  .site-header{background:var(--white)}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:var(--header-h);left:0;right:0;background:var(--white);box-shadow:0 20px 48px rgba(13,27,62,.15);padding:16px 20px 24px;transform:translateY(-130%);opacity:0;visibility:hidden;transition:var(--transition);border-bottom:1px solid var(--border);border-radius:0 0 var(--radius-lg) var(--radius-lg);z-index:999}
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-list{flex-direction:column;gap:4px}
  .nav-link{display:block;width:100%;text-align:center;padding:14px 20px;font-size:1rem}
  .header-actions .btn-cta{width:auto;padding:10px 18px;font-size:.85rem}
  .article-hero{padding:90px 0 60px}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar-card{flex:1;min-width:240px}
  .article-card{padding:26px 20px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .footer-bottom{justify-content:center;text-align:center}
  .cta-section{background-attachment:scroll;padding:60px 0}
}
@media(max-width:520px){
  .article-hero-title{font-size:1.55rem}
  .article-body{font-size:1rem}
  .meta-item{font-size:.8125rem}
  .header-actions .btn-cta{display:none}
  .nav-toggle{display:flex}
  .footer-brand p{max-width:100%}
  .related-thumb{height:160px}
  .section-head{padding:0 16px}
  .cta-buttons{flex-direction:column;width:100%;max-width:260px;margin:0 auto}
  .cta-buttons .btn{width:100%}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root {
  --primary: #1a2a6c;
  --primary-light: #2d4a9e;
  --primary-deep: #0f1a45;
  --accent: #f59e0b;
  --accent-light: #ffb84d;
  --bg: #f6f8fc;
  --bg-white: #ffffff;
  --dark: #0f172a;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 18px 44px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s ease;
  --container: 1200px;
}

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

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

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

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

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

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

ul, ol {
  list-style: none;
}

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

/* ============ 通用按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.2;
}

.btn:focus-visible {
  outline: 3px solid rgba(245, 158, 11, 0.5);
  outline-offset: 2px;
}

.btn-cta {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26, 42, 108, 0.35);
}

.btn-cta:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(26, 42, 108, 0.4);
}

.btn-cta:active {
  transform: translateY(0);
}

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

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

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.24);
  border-color: #fff;
}

/* ============ Header / 导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  box-shadow: 0 2px 18px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.brand span {
  color: var(--accent);
  margin-left: 2px;
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-block;
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 999px;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(26, 42, 108, 0.06);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(26, 42, 108, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-actions .btn-cta {
  padding: 10px 22px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(26, 42, 108, 0.08);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(26, 42, 108, 0.15);
}

.nav-toggle span {
  width: 20px;
  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);
}

/* ============ 页面 Banner ============ */
.page-banner {
  position: relative;
  padding: 90px 0 80px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(8, 15, 41, 0.92) 0%, rgba(15, 23, 42, 0.72) 55%, rgba(26, 42, 108, 0.38) 100%);
}

.page-banner::after {
  content: "";
  position: absolute;
  top: -60%;
  right: -20%;
  width: 70%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.18) 0%, transparent 65%);
  pointer-events: none;
}

.banner-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
}

.banner-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-light);
  backdrop-filter: blur(8px);
  margin-bottom: 20px;
}

.banner-content h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.banner-content h1 span {
  color: var(--accent);
}

.banner-content p {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  margin-bottom: 30px;
}

.banner-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.banner-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  max-width: 420px;
  margin-left: auto;
}

.banner-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.banner-panel-header h3 {
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.banner-panel-header .live-dot {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  animation: pulse 1.6s infinite;
  display: inline-block;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  50% { box-shadow: 0 0 0 7px rgba(239, 68, 68, 0); }
}

.banner-panel-header a {
  font-size: 13px;
  color: var(--accent-light);
  font-weight: 500;
}

.banner-panel-header a:hover {
  color: #fff;
}

.live-match-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

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

.live-match-info {
  flex: 1;
}

.live-match-league {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.live-match-name {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.live-match-score {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-light);
  white-space: nowrap;
  margin-left: 14px;
  font-variant-numeric: tabular-nums;
}

/* ============ 通用板块 ============ */
.section {
  padding: 80px 0;
}

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

.section-head {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(26, 42, 108, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 17px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ============ 赛事分类标签 ============ */
.sport-tags-wrap {
  padding: 30px 0 60px;
}

.sport-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.sport-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.sport-tag i {
  color: var(--primary);
  font-size: 16px;
  transition: var(--transition);
}

.sport-tag:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.sport-tag:hover i {
  color: var(--accent);
}

.sport-tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(26, 42, 108, 0.35);
}

.sport-tag.active i {
  color: var(--accent-light);
}

/* ============ 资讯卡片网格 ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

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

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26, 42, 108, 0.2);
}

.news-card-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

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

.news-card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 55%, rgba(8, 15, 41, 0.55) 100%);
}

.news-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 5px 14px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.4);
}

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

.news-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 10px;
  transition: var(--transition);
}

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

.news-card-body p {
  font-size: 14.5px;
  color: var(--text-weak);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}

.news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-meta i {
  font-size: 14px;
  opacity: 0.7;
}

/* ============ 数据看板 ============ */
.stats-board {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(130deg, var(--primary-deep) 0%, var(--primary) 60%, #24408a 100%);
  padding: 54px 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.stats-board::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 65%);
  border-radius: 50%;
}

.stats-board::after {
  content: "";
  position: absolute;
  bottom: -70px;
  left: 20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 65%);
  border-radius: 50%;
}

.stat-item {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 10px 0;
}

.stat-value {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
}

.stat-label {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

/* ============ 焦点解读 ============ */
.featured-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: stretch;
}

.featured-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  box-shadow: var(--shadow-md);
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.featured-media:hover img {
  transform: scale(1.04);
}

.featured-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 15, 41, 0) 40%, rgba(8, 15, 41, 0.65) 100%);
}

.featured-caption {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  z-index: 1;
  color: #fff;
}

.featured-caption .news-tag {
  position: static;
  display: inline-block;
  margin-bottom: 10px;
}

.featured-caption h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.featured-content {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 34px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.featured-content .section-tag {
  align-self: flex-start;
}

.featured-content h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 16px;
}

.featured-content > p {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  margin-bottom: 24px;
}

.featured-list {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.featured-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}

.featured-list li:hover {
  border-color: var(--primary-light);
  background: rgba(26, 42, 108, 0.04);
  transform: translateY(-2px);
}

.featured-list li i {
  color: var(--accent);
  font-size: 15px;
  flex-shrink: 0;
}

.featured-content .btn {
  align-self: flex-start;
}

/* ============ 赛程时间线 ============ */
.schedule-wrap {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 54px 50px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.schedule-wrap::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.16), transparent 65%);
  border-radius: 50%;
}

.schedule-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 38px;
  flex-wrap: wrap;
}

.schedule-head h2 {
  font-size: 28px;
  font-weight: 800;
}

.schedule-head p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 15px;
}

.timeline {
  position: relative;
  padding-left: 30px;
  border-left: 2px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  position: relative;
  padding: 18px 0 18px 8px;
}

.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: -30px;
  bottom: -2px;
  width: 2px;
  height: calc(100% - 18px);
  background: rgba(255, 255, 255, 0.05);
}

.timeline-dot {
  position: absolute;
  left: -37px;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--dark);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.4);
}

.timeline-item.done .timeline-dot {
  background: #64748b;
  box-shadow: 0 0 0 2px rgba(100, 116, 139, 0.3);
}

.timeline-item.live .timeline-dot {
  background: #ef4444;
  animation: pulse 1.6s infinite;
}

.timeline-card {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: var(--transition);
}

.timeline-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(4px);
}

.timeline-time {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-light);
  min-width: 64px;
  font-variant-numeric: tabular-nums;
}

.timeline-league {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.5px;
}

.timeline-match {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  min-width: 180px;
}

.timeline-status {
  font-size: 14px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-light);
}

.timeline-item.done .timeline-status {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
}

.timeline-item.live .timeline-status {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item:hover {
  border-color: rgba(26, 42, 108, 0.25);
  box-shadow: var(--shadow-md);
}

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

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

.faq-item summary:hover {
  color: var(--primary);
}

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--text-weak);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-answer {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

/* ============ CTA ============ */
.cta-section {
  position: relative;
  padding: 80px 0;
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 15, 41, 0.93), rgba(26, 42, 108, 0.82));
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}

.cta-inner h2 span {
  color: var(--accent);
}

.cta-inner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

/* ============ Footer ============ */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
  border-top: 3px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand {
  color: #fff;
  font-size: 22px;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-heading {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.36);
}

.footer-domain {
  letter-spacing: 1px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .banner-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .banner-panel {
    margin-left: 0;
    max-width: 100%;
  }

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

  .featured-media {
    min-height: 320px;
  }

  .stats-board {
    grid-template-columns: repeat(2, 1fr);
    padding: 44px 32px;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 20px;
    flex-direction: column;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
  }

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

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 6px;
  }

  .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px 18px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link.active {
    background: var(--primary);
    color: #fff;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn-cta {
    display: none;
  }

  .page-banner {
    padding: 60px 0 60px;
  }

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

  .banner-content p {
    font-size: 16px;
  }

  .section {
    padding: 60px 0;
  }

  .section-head h2 {
    font-size: 28px;
  }

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

  .featured-list {
    grid-template-columns: 1fr;
  }

  .schedule-wrap {
    padding: 36px 24px;
  }

  .timeline-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .timeline-status {
    align-self: flex-start;
  }

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

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

  .brand {
    font-size: 20px;
  }

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

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

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

  .stats-board {
    grid-template-columns: 1fr 1fr;
    padding: 32px 20px;
    gap: 20px;
  }

  .stat-value {
    font-size: 34px;
  }

  .stat-desc {
    font-size: 12px;
  }

  .sport-tag {
    padding: 8px 16px;
    font-size: 13px;
  }

  .featured-content {
    padding: 24px 20px;
  }

  .featured-content h3 {
    font-size: 22px;
  }

  .timeline {
    padding-left: 20px;
  }

  .timeline-dot {
    left: -29px;
  }

  .cta-inner h2 {
    font-size: 28px;
  }

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

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

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

/* roulang page: category3 */
/* ========== 设计变量 ========== */
:root {
  --bg-deep: #080d1a;
  --bg-navy: #0d1429;
  --bg-card: #131c3a;
  --bg-card-alt: #17214a;
  --bg-light: #f5f7fd;
  --gold: #e8b84b;
  --gold-light: #f7d784;
  --gold-dark: #c99a2e;
  --cyan: #4cc9f0;
  --cyan-dark: #2aa8d4;
  --text-main: #edf1fa;
  --text-body: #b6c2e0;
  --text-muted: #7985ac;
  --text-deep: #1a2340;
  --text-muted-deep: #5a6585;
  --border: rgba(232, 184, 75, 0.14);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-deep: rgba(26, 35, 64, 0.1);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-light: 0 8px 24px rgba(26, 35, 64, 0.08);
  --shadow-hover: 0 20px 46px rgba(0, 0, 0, 0.45);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-deep);
  background-image: radial-gradient(ellipse at 20% -10%, rgba(76, 201, 240, 0.12) 0%, transparent 45%),
                    radial-gradient(ellipse at 90% 10%, rgba(232, 184, 75, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

body.light-page {
  background: var(--bg-light);
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: inherit;
  font-size: 1rem;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  padding: 4px 16px;
  background: rgba(232, 184, 75, 0.12);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-subtitle {
  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: 12px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 55%, var(--gold-dark) 100%);
  color: #101423;
  box-shadow: 0 6px 20px rgba(232, 184, 75, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232, 184, 75, 0.42);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(232, 184, 75, 0.08);
}

.btn-cta {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-dark) 100%);
  color: #101423;
  padding: 10px 22px;
  font-size: 14px;
  border-radius: 100px;
  box-shadow: 0 4px 16px rgba(232, 184, 75, 0.25);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 184, 75, 0.4);
}

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

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

/* ========== 标签 / 徽章 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.3px;
}

.tag-gold {
  background: rgba(232, 184, 75, 0.15);
  color: var(--gold-light);
  border: 1px solid rgba(232, 184, 75, 0.2);
}

.tag-cyan {
  background: rgba(76, 201, 240, 0.12);
  color: var(--cyan);
  border: 1px solid rgba(76, 201, 240, 0.2);
}

.tag-dark {
  background: rgba(26, 35, 64, 0.08);
  color: var(--text-muted-deep);
  border: 1px solid var(--border-deep);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: #101423;
  font-size: 12px;
  font-weight: 700;
}

/* ========== 头部导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 13, 26, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  height: 72px;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
  background: rgba(8, 13, 26, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.5px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}

.brand span {
  color: var(--gold);
  font-weight: 600;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: var(--gold-light);
  background: rgba(232, 184, 75, 0.12);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-main);
  border-radius: 4px;
  transition: var(--transition);
}

.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);
}

/* ========== 内页横幅 ========== */
.page-banner {
  position: relative;
  padding: 180px 0 90px;
  background-image:
    linear-gradient(135deg, rgba(8, 13, 26, 0.95) 0%, rgba(13, 20, 41, 0.82) 60%, rgba(23, 33, 74, 0.65) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}

.banner-inner {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

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

.breadcrumb-sep {
  opacity: 0.5;
}

.page-banner h1 {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  max-width: 760px;
}

.page-banner h1 .highlight {
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.banner-desc {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-body);
  max-width: 640px;
  margin-bottom: 32px;
}

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

.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ========== 技巧分类 ========== */
.tip-categories {
  background: transparent;
  position: relative;
  padding: 96px 0 40px;
}

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

.cat-card {
  position: relative;
  padding: 36px 28px;
  background: linear-gradient(160deg, var(--bg-card-alt) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  overflow: hidden;
}

.cat-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(232, 184, 75, 0.18) 0%, transparent 70%);
  transition: var(--transition);
}

.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 184, 75, 0.35);
  background: linear-gradient(160deg, #1a2550 0%, var(--bg-card-alt) 100%);
}

.cat-card:hover::before {
  transform: scale(1.4);
}

.cat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 184, 75, 0.15);
  border: 1px solid rgba(232, 184, 75, 0.2);
  margin-bottom: 20px;
  font-size: 24px;
}

.cat-card:nth-child(2) .cat-icon {
  background: rgba(76, 201, 240, 0.12);
  border-color: rgba(76, 201, 240, 0.25);
}

.cat-card:nth-child(3) .cat-icon {
  background: rgba(167, 139, 250, 0.12);
  border-color: rgba(167, 139, 250, 0.25);
}

.cat-card:nth-child(4) .cat-icon {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.25);
}

.cat-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

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

.cat-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-light);
  opacity: 0;
  transform: translateY(6px);
  transition: var(--transition);
}

.cat-card:hover .cat-tag {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 热门实战技巧 ========== */
.hot-tips {
  padding: 96px 0;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tip-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.tip-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 184, 75, 0.25);
}

.tip-card-media {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.tip-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.tip-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 20, 41, 0.8) 0%, transparent 55%);
}

.tip-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tip-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.tip-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 12px;
  transition: var(--transition);
}

.tip-card:hover .tip-title {
  color: var(--gold-light);
}

.tip-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  flex: 1;
}

.tip-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.tip-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.tip-stats i {
  color: var(--gold);
  margin-right: 4px;
}

.tip-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tip-link:hover {
  color: var(--gold-light);
  gap: 10px;
}

/* ========== 进阶路径 ========== */
.learning-path {
  padding: 96px 0;
  background-image:
    linear-gradient(180deg, var(--bg-deep) 0%, rgba(13, 20, 41, 0.95) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
}

.path-container {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
}

.path-line {
  position: absolute;
  left: 36px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--cyan), var(--gold));
  opacity: 0.35;
}

.path-step {
  position: relative;
  display: flex;
  gap: 28px;
  padding: 24px 0;
}

.path-node {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 24px;
  background: linear-gradient(145deg, var(--bg-card-alt), var(--bg-card));
  border: 1px solid rgba(232, 184, 75, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--gold-light);
  box-shadow: 0 0 0 6px rgba(232, 184, 75, 0.06);
  z-index: 2;
}

.path-content {
  flex: 1;
  padding-top: 6px;
}

.path-step h3 {
  font-size: 20px;
  color: var(--text-main);
  font-weight: 700;
  margin-bottom: 8px;
}

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

.path-levels {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}

.path-bar {
  height: 4px;
  border-radius: 4px;
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.path-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

/* ========== 数据看板 ========== */
.data-board {
  padding: 96px 0;
  background: rgba(255, 255, 255, 0.02);
}

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

.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 184, 75, 0.3);
  box-shadow: var(--shadow);
}

.stat-num {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ========== 玩法清单 ========== */
.checklist-section {
  padding: 96px 0;
}

.checklist-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.checklist-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.checklist-media img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.checklist-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 13, 26, 0.6), transparent 60%);
}

.checklist-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.checklist-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.checklist-item:hover {
  border-color: rgba(232, 184, 75, 0.3);
  transform: translateX(6px);
}

.check-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(232, 184, 75, 0.15);
  border: 1px solid rgba(232, 184, 75, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 700;
}

.checklist-item h4 {
  font-size: 16px;
  color: var(--text-main);
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* ========== FAQ ========== */
.faq-section {
  padding: 96px 0;
  background: rgba(255, 255, 255, 0.02);
}

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

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(232, 184, 75, 0.25);
}

.faq-item.open {
  border-color: rgba(232, 184, 75, 0.35);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
}

.faq-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(232, 184, 75, 0.1);
  border: 1px solid rgba(232, 184, 75, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-size: 16px;
  transition: var(--transition);
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  background: rgba(232, 184, 75, 0.2);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.85;
}

/* ========== CTA ========== */
.cta-section {
  padding: 120px 0;
  background-image:
    linear-gradient(rgba(8, 13, 26, 0.82), rgba(8, 13, 26, 0.92)),
    url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  text-align: center;
}

.cta-title {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.cta-desc {
  font-size: 16px;
  color: var(--text-body);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.9;
}

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

/* ========== 页脚 ========== */
.site-footer {
  background: #060a14;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-top: 16px;
  max-width: 360px;
}

.footer-heading {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-domain {
  font-family: "SF Mono", "Consolas", monospace;
  letter-spacing: 1px;
  color: rgba(121, 133, 172, 0.8);
}

/* ========== 提示浮层 ========== */
.toast-tip {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-card-alt);
  color: var(--text-main);
  padding: 12px 24px;
  border-radius: 100px;
  border: 1px solid rgba(232, 184, 75, 0.3);
  box-shadow: var(--shadow);
  font-size: 14px;
  opacity: 0;
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 9999;
  pointer-events: none;
  white-space: nowrap;
}

.toast-tip.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ========== 响应式断点 ========== */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

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

  .site-header {
    height: 64px;
  }

  .header-inner {
    height: 64px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(8, 13, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .main-nav.open {
    max-height: 400px;
  }

  .main-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 6px;
  }

  .nav-link {
    display: block;
    padding: 14px 18px;
    text-align: center;
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn-cta {
    display: none;
  }

  .page-banner {
    padding: 140px 0 64px;
  }

  .page-banner h1 {
    font-size: 32px;
  }

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

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

  .path-line {
    left: 30px;
  }

  .path-node {
    width: 60px;
    height: 60px;
    font-size: 18px;
    border-radius: 18px;
  }

  .path-step {
    gap: 20px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  .section {
    padding: 56px 0;
  }

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

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

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

  .tip-card-media {
    height: 180px;
  }

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

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

  .checklist-item {
    padding: 16px;
  }

  .faq-question {
    padding: 18px 18px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 18px 20px;
  }

  .stat-num {
    font-size: 32px;
  }

  .path-content {
    padding-top: 0;
  }

  .path-step h3 {
    font-size: 17px;
  }

  .cta-section {
    padding: 80px 0;
  }
}