/* roulang page: index */
:root {
  --primary: #e8b44a;
  --primary-dark: #c9962e;
  --primary-light: #f5d48a;
  --bg-dark: #0b0f17;
  --bg-body: #0e121a;
  --bg-card: #151b27;
  --bg-card-hover: #1b2332;
  --bg-alt: #1a2230;
  --text-light: #f0ede8;
  --text-body: #b9c0cc;
  --text-muted: #7c8494;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.18);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --section-space: 100px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

input {
  font-family: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 15, 23, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(11, 15, 23, 0.92);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.02em;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #0b0f17;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(232, 180, 74, 0.3);
}

.logo-text {
  background: linear-gradient(90deg, var(--text-light) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active {
  color: var(--text-light);
  background: rgba(232, 180, 74, 0.12);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 4px;
  background: var(--primary);
}

.nav-cta {
  margin-left: 8px;
  padding: 10px 22px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #0b0f17;
  font-weight: 600;
  font-size: 14px;
  border: none;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(232, 180, 74, 0.2);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(232, 180, 74, 0.35);
  color: #0b0f17;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: transparent;
  color: var(--text-light);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* ===== Top Info Bar ===== */
.top-info-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 0;
  background: rgba(232, 180, 74, 0.08);
  border-bottom: 1px solid rgba(232, 180, 74, 0.12);
  font-size: 14px;
  color: var(--primary-light);
  text-align: center;
}

.top-info-bar .shine {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 23, 0.68) 0%, rgba(11, 15, 23, 0.82) 100%);
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(232, 180, 74, 0.12) 0%, transparent 60%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  background: rgba(232, 180, 74, 0.12);
  border: 1px solid rgba(232, 180, 74, 0.3);
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 66px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin: 0 auto 40px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #0b0f17;
  box-shadow: 0 6px 20px rgba(232, 180, 74, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(232, 180, 74, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
}

.hero-info-row {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 70px;
  padding-top: 30px;
  flex-wrap: wrap;
}

.hero-info-item {
  text-align: center;
  padding: 0 24px;
}

.hero-info-item .number {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 4px;
}

.hero-info-item .label {
  font-size: 14px;
  color: var(--text-muted);
}

.hero-info-item:not(:last-child) {
  border-right: 1px solid var(--border-light);
}

/* ===== Section Common ===== */
.section {
  padding: var(--section-space) 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  background: rgba(232, 180, 74, 0.1);
  border: 1px solid rgba(232, 180, 74, 0.22);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.25;
  margin-bottom: 16px;
}

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

/* ===== Feature Section ===== */
.feature-section {
  background: var(--bg-body);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  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, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(232, 180, 74, 0.25);
  box-shadow: var(--shadow);
}

.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: 22px;
  background: rgba(232, 180, 74, 0.12);
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #0b0f17;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 12px;
}

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

/* ===== Category Section ===== */
.category-section {
  background: var(--bg-dark);
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.category-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 23, 0.9);
}

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

.category-card {
  background: rgba(21, 27, 39, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.category-card:hover {
  transform: translateY(-8px);
  border-color: rgba(232, 180, 74, 0.3);
  box-shadow: var(--shadow);
}

.category-cover {
  height: 190px;
  overflow: hidden;
  position: relative;
}

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

.category-card:hover .category-cover img {
  transform: scale(1.08);
}

.category-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(21, 27, 39, 0.8) 100%);
}

.category-body {
  padding: 26px 28px 30px;
}

.category-body h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 10px;
}

.category-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

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

.category-link i {
  transition: transform 0.2s ease;
}

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

.category-link:hover i {
  transform: translateX(5px);
}

/* ===== News Section ===== */
.news-section {
  background: var(--bg-body);
}

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
  flex-wrap: wrap;
}

.news-header .section-tag {
  margin-bottom: 10px;
}

.news-header .section-title {
  margin-bottom: 0;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-item {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
}

.news-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(232, 180, 74, 0.2);
  box-shadow: var(--shadow-sm);
}

.news-item:hover::before {
  opacity: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.news-cat {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(232, 180, 74, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
}

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

.news-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.4;
  margin-bottom: 10px;
  transition: var(--transition);
}

.news-item:hover h3 {
  color: var(--primary-light);
}

.news-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.news-item:hover .news-more-link {
  color: var(--primary);
}

.news-item:hover .news-more-link i {
  transform: translateX(4px);
}

.news-more-link i {
  transition: transform 0.2s;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== Stats Section ===== */
.stats-section {
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  padding: 90px 0;
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 23, 0.88);
}

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

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.stat-number {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.2;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Testimonials ===== */
.testimonial-section {
  background: var(--bg-body);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 180, 74, 0.2);
  box-shadow: var(--shadow-sm);
}

.testimonial-quote {
  font-size: 36px;
  color: var(--primary);
  opacity: 0.3;
  margin-bottom: 14px;
  line-height: 1;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 24px;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b0f17;
  font-weight: 700;
  font-size: 16px;
}

.testimonial-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
}

.testimonial-role {
  font-size: 13px;
  color: var(--text-muted);
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: rgba(232, 180, 74, 0.2);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
  gap: 16px;
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #0b0f17;
  border-color: var(--primary);
}

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

.faq-answer-inner {
  padding: 0 28px 22px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background-image: url("/assets/images/coverpic/cover-2.png");
  background-size: cover;
  background-position: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 15, 23, 0.92), rgba(14, 18, 26, 0.75));
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 36px;
}

/* ===== Footer ===== */
.site-footer {
  background: #080b11;
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 30px;
}

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

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 18px;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

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

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

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

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

/* ===== Focus States ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --section-space: 80px;
  }

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

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

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

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

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

@media (max-width: 768px) {
  :root {
    --section-space: 64px;
  }

  .container {
    padding: 0 20px;
  }

  .header-inner {
    height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(11, 15, 23, 0.97);
    flex-direction: column;
    padding: 20px;
    gap: 6px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    align-items: stretch;
    backdrop-filter: blur(20px);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 14px 20px;
    border-radius: 12px;
    justify-content: flex-start;
    font-size: 16px;
  }

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

  .nav-cta {
    margin: 8px 0 0;
    justify-content: center;
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 110px 0 70px;
  }

  .hero-info-item:not(:last-child) {
    border-right: none;
  }

  .hero-info-row {
    gap: 24px;
  }

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

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

@media (max-width: 520px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

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

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

  .news-item {
    padding: 22px;
  }

  .news-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .footer-bottom-links {
    justify-content: center;
  }
}

/* roulang page: category1 */
:root {
  --primary: #f0b13d;
  --primary-dark: #d1922a;
  --primary-light: #fcd989;
  --primary-glow: rgba(240, 177, 61, 0.25);
  --bg-deep: #070b16;
  --bg-dark: #0b1020;
  --bg-card: #121a2e;
  --bg-soft: #1a2340;
  --text-main: #f2f5fc;
  --text-secondary: #a5b2cc;
  --text-weak: #6b7a99;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-main: 0 24px 70px rgba(0, 0, 0, 0.45);
  --shadow-card: 0 10px 36px rgba(0, 0, 0, 0.28);
  --transition: 0.3s ease;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #1a1206;
  box-shadow: 0 8px 28px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(240, 177, 61, 0.35);
}

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

.btn-outline {
  border-color: var(--border-light);
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(240, 177, 61, 0.08);
}

.btn-outline:active {
  transform: scale(0.98);
}

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

/* ========== Header / 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 11, 22, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.top-info-bar {
  background: linear-gradient(90deg, rgba(240, 177, 61, 0.15), rgba(240, 177, 61, 0.04));
  padding: 8px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--primary-light);
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.top-info-bar .shine {
  position: absolute;
  top: 0;
  left: -30%;
  width: 30%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  animation: shineMove 4s infinite;
}

@keyframes shineMove {
  0% { left: -30%; }
  60%, 100% { left: 120%; }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1206;
  font-size: 18px;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  position: relative;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 999px;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--primary-light);
  background: rgba(240, 177, 61, 0.1);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

.nav-cta {
  margin-left: 12px;
  padding: 10px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #1a1206;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(240, 177, 61, 0.3);
  transition: all var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(240, 177, 61, 0.4);
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border);
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--primary-glow);
}

/* ========== Banner ========== */
.page-hero {
  position: relative;
  padding: 120px 0 100px;
  background-image: linear-gradient(135deg, rgba(7, 11, 22, 0.92), rgba(11, 16, 32, 0.78)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-deep), transparent);
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240, 177, 61, 0.12);
  border: 1px solid rgba(240, 177, 61, 0.3);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

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

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 620px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: var(--text-weak);
  font-size: 20px;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========== 标签筛选 ========== */
.tag-filter-section {
  padding: 60px 0 20px;
}

.tag-filter-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tag-btn {
  padding: 9px 24px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

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

.tag-btn.active {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #1a1206;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 4px 16px var(--primary-glow);
}

/* ========== 资讯卡片网格 ========== */
.news-section {
  padding: 40px 0 80px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-title-wrap h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.section-title-wrap p {
  color: var(--text-secondary);
  font-size: 15px;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 500;
  transition: gap var(--transition);
}

.section-more:hover {
  gap: 12px;
}

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

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

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: rgba(240, 177, 61, 0.3);
}

.news-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

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

.news-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 22, 0.5), transparent);
}

.news-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(240, 177, 61, 0.92);
  color: #1a1206;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.news-tag.security {
  background: rgba(94, 160, 255, 0.92);
  color: #0b1a2e;
}

.news-tag.activity {
  background: rgba(255, 106, 170, 0.92);
  color: #2a0e1c;
}

.news-tag.industry {
  background: rgba(120, 255, 180, 0.92);
  color: #0a2416;
}

.news-body {
  padding: 24px;
}

.news-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}

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

.news-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 500;
  transition: gap var(--transition);
}

.news-link:hover {
  gap: 8px;
}

/* ========== 公告区 ========== */
.announcement-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(12, 17, 32, 0.95), rgba(8, 12, 24, 0.98)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.announcement-card {
  background: rgba(18, 26, 46, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.announcement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(var(--primary-light), var(--primary-dark));
  border-radius: 0 3px 3px 0;
}

.announcement-card:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 177, 61, 0.3);
  box-shadow: var(--shadow-card);
}

.announcement-date {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(240, 177, 61, 0.1);
  border: 1px solid rgba(240, 177, 61, 0.25);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}

.announcement-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
}

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

/* ========== 数据统计 ========== */
.stats-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(11, 16, 32, 0.9), rgba(7, 11, 22, 0.95)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 36px 20px;
  background: rgba(18, 26, 46, 0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.stat-item:hover {
  border-color: rgba(240, 177, 61, 0.4);
  transform: translateY(-4px);
  background: rgba(18, 26, 46, 0.8);
}

.stat-num {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.3;
}

.stat-label {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 15px;
  letter-spacing: 1px;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: rgba(240, 177, 61, 0.25);
}

.faq-item.active {
  border-color: rgba(240, 177, 61, 0.5);
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(240, 177, 61, 0.1);
  border: 1px solid rgba(240, 177, 61, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 14px;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #1a1206;
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.9;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ========== CTA ========== */
.cta-section {
  padding: 80px 0 100px;
}

.cta-box {
  position: relative;
  background: linear-gradient(135deg, rgba(240, 177, 61, 0.12), rgba(18, 26, 46, 0.9)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(240, 177, 61, 0.2);
  padding: 60px 48px;
  text-align: center;
  overflow: hidden;
}

.cta-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(240, 177, 61, 0.15), transparent 60%);
  pointer-events: none;
}

.cta-box h2 {
  position: relative;
  z-index: 1;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-box p {
  position: relative;
  z-index: 1;
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 32px;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

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

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

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

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-main);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: all var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--text-weak);
  transition: color var(--transition);
}

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

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

  .announcement-grid {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin: 0 auto;
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    height: 68px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: rgba(7, 11, 22, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 80px 24px 24px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
    z-index: 999;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav .nav-link {
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 16px;
  }

  .main-nav .nav-cta {
    margin: 16px 0 0;
    text-align: center;
    padding: 14px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .page-hero {
    padding: 80px 0 80px;
  }

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

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

  .cta-box {
    padding: 40px 24px;
  }
}

@media (max-width: 520px) {
  .news-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .footer-bottom-links {
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .page-hero {
    padding: 60px 0 70px;
  }

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

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

  .section-title-wrap h2 {
    font-size: 24px;
  }

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

/* ========== 淡入动画 ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* roulang page: article */
:root {
    --primary: #d4a24c;
    --primary-dark: #b8893a;
    --primary-light: #f0d9a8;
    --primary-glow: rgba(212, 162, 76, 0.30);
    --bg-dark: #0c1222;
    --bg-darker: #080d1a;
    --bg-light: #f5f6fa;
    --bg-white: #ffffff;
    --text-dark: #1e2430;
    --text-body: #3d4553;
    --text-muted: #7a8291;
    --border-light: #e6e8ef;
    --border-dark: rgba(255,255,255,0.12);
    --shadow-card: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-hover: 0 16px 44px rgba(0,0,0,0.14);
    --radius: 18px;
    --radius-sm: 10px;
    --radius-lg: 28px;
    --transition: all 0.3s ease;
    --font-main: -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-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-body);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
img {
    max-width: 100%;
    display: block;
}
button, input, select, textarea {
    font: inherit;
    border: none;
    outline: none;
    background: none;
}
ul, ol {
    list-style: none;
}
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    color: var(--text-dark);
    font-weight: 700;
}

.container {
    width: min(1200px, 92%);
    margin-inline: auto;
}

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 9999;
    transition: width 0.1s linear;
    pointer-events: none;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(12, 18, 34, 0.94);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-dark);
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}
.top-info-bar {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--primary-dark));
    color: #fff;
    text-align: center;
    font-size: 13px;
    letter-spacing: 3px;
    padding: 6px 16px;
    position: relative;
    overflow: hidden;
    font-weight: 500;
}
.top-info-bar .shine {
    position: absolute;
    top: 0;
    left: -60%;
    width: 40%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.35), transparent);
    animation: shineMove 5s infinite;
}
@keyframes shineMove {
    0% { left: -60%; }
    50% { left: 120%; }
    100% { left: -60%; }
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 16px var(--primary-glow);
}
.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    line-height: 1.2;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 999px;
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}
.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}
.nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 14px var(--primary-glow);
}
.nav-cta {
    display: inline-block;
    margin-left: 8px;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    box-shadow: 0 4px 18px var(--primary-glow);
    transition: var(--transition);
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--primary-glow);
}
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 18px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.nav-toggle:hover {
    background: rgba(255,255,255,0.16);
}

/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    padding: 110px 0 90px;
    color: #fff;
    background: linear-gradient(135deg, rgba(12,18,34,0.96) 0%, rgba(20,28,52,0.88) 45%, rgba(12,18,34,0.72) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--bg-light), transparent);
    pointer-events: none;
}
.article-hero .container {
    position: relative;
    z-index: 2;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 28px;
}
.breadcrumb a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}
.breadcrumb a:hover {
    color: var(--primary-light);
}
.breadcrumb .sep {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}
.breadcrumb .current {
    color: var(--primary-light);
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.article-cat-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 18px;
    box-shadow: 0 4px 16px var(--primary-glow);
}
.article-hero h1 {
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.3;
    max-width: 860px;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}
.article-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}
.article-meta i {
    color: var(--primary);
    font-size: 15px;
}

/* ===== Article Section ===== */
.article-section {
    padding: 70px 0 90px;
    background: var(--bg-light);
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 44px;
    align-items: start;
}
.article-main {
    min-width: 0;
}
.article-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 44px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.article-card:hover {
    box-shadow: var(--shadow-hover);
}
.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-body);
}
.article-content > * + * {
    margin-top: 1.3em;
}
.article-content p {
    margin-bottom: 1em;
}
.article-content h2 {
    font-size: 1.55rem;
    margin-top: 1.8em;
    margin-bottom: 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    color: var(--text-dark);
}
.article-content h3 {
    font-size: 1.25rem;
    margin-top: 1.6em;
    margin-bottom: 0.7em;
    color: var(--text-dark);
}
.article-content ul,
.article-content ol {
    padding-left: 1.6em;
    margin-bottom: 1em;
}
.article-content ul li {
    list-style: disc;
    margin-bottom: 6px;
}
.article-content ol li {
    list-style: decimal;
    margin-bottom: 6px;
}
.article-content a {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}
.article-content a:hover {
    color: var(--primary);
}
.article-content blockquote {
    background: linear-gradient(135deg, rgba(212,162,76,0.08), rgba(212,162,76,0.03));
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 18px 24px;
    margin: 1.8em 0;
    color: var(--text-dark);
    font-style: italic;
}
.article-content img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    margin: 1.5em 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 15px;
}
.article-content th,
.article-content td {
    border: 1px solid var(--border-light);
    padding: 10px 14px;
    text-align: left;
}
.article-content th {
    background: rgba(212,162,76,0.08);
    font-weight: 600;
    color: var(--text-dark);
}
.article-content code {
    background: rgba(0,0,0,0.05);
    border-radius: 5px;
    padding: 2px 8px;
    font-size: 0.92em;
    font-family: 'SF Mono', Consolas, monospace;
}

.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 38px;
    padding-top: 26px;
    border-top: 1px solid var(--border-light);
}
.article-tags .tag-label {
    font-size: 14px;
    color: var(--text-muted);
}
.article-tags .tag {
    display: inline-block;
    padding: 5px 16px;
    border-radius: 999px;
    background: rgba(212,162,76,0.12);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(212,162,76,0.2);
}
.article-tags .tag:hover {
    background: rgba(212,162,76,0.22);
    transform: translateY(-1px);
}

/* Not Found */
.not-found {
    text-align: center;
    padding: 60px 20px;
}
.not-found i {
    font-size: 52px;
    color: var(--primary);
    margin-bottom: 20px;
    display: block;
}
.not-found h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}
.not-found p {
    color: var(--text-muted);
    margin-bottom: 28px;
    max-width: 400px;
    margin-inline: auto;
}

/* ===== Sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
}
.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 26px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.sidebar-card:hover {
    box-shadow: var(--shadow-hover);
}
.sidebar-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    padding-bottom: 14px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-card h3 i {
    color: var(--primary);
    font-size: 15px;
}
.info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.info-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-body);
}
.info-list .info-label {
    color: var(--text-muted);
}
.info-list .info-value {
    font-weight: 500;
    color: var(--text-dark);
}
.cat-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.cat-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-body);
    font-size: 14px;
    transition: var(--transition);
}
.cat-list li a i {
    color: var(--primary);
    font-size: 13px;
    width: 18px;
    text-align: center;
}
.cat-list li a:hover {
    background: rgba(212,162,76,0.1);
    color: var(--primary-dark);
    transform: translateX(4px);
}
.latest-list {
    display: flex;
    flex-direction: column;
}
.latest-list li + li {
    border-top: 1px solid var(--border-light);
}
.latest-list a {
    display: block;
    padding: 12px 4px;
    transition: var(--transition);
}
.latest-list a:hover {
    padding-left: 10px;
}
.latest-list .latest-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.latest-list .latest-date {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== Related Section ===== */
.related-section {
    background: var(--bg-dark);
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}
.related-section::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, var(--primary-glow), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.section-head {
    text-align: center;
    margin-bottom: 52px;
    position: relative;
    z-index: 2;
}
.section-eyebrow {
    display: inline-block;
    padding: 5px 18px;
    border-radius: 999px;
    background: rgba(212,162,76,0.15);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 16px;
}
.section-head h2 {
    color: #fff;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 10px;
}
.section-head p {
    color: rgba(255,255,255,0.6);
    font-size: 15px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
    z-index: 2;
}
.related-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 48px rgba(0,0,0,0.4);
}
.related-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    position: relative;
}
.related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.related-card:hover .related-img img {
    transform: scale(1.08);
}
.related-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(12,18,34,0.5), transparent 60%);
}
.related-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.related-body .cat-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(212,162,76,0.18);
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
    align-self: flex-start;
    letter-spacing: 1px;
}
.related-body h3 {
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-body p {
    color: rgba(255,255,255,0.55);
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.related-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 12px;
    margin-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(255,255,255,0.2), transparent 70%);
    border-radius: 50%;
}
.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    color: #fff;
}
.cta-content h2 {
    color: #fff;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 14px;
    letter-spacing: 2px;
}
.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    max-width: 520px;
    margin-inline: auto;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
}
.btn-light {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}
.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(0,0,0,0.25);
}
.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-darker);
    color: rgba(255,255,255,0.6);
    padding-top: 70px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--border-dark);
}
.footer-brand .logo {
    margin-bottom: 16px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
    color: rgba(255,255,255,0.5);
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-col ul a {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-col ul a::before {
    content: '›';
    color: var(--primary);
    font-size: 16px;
    font-weight: 700;
}
.footer-col ul a:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    padding: 24px 0 28px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
.footer-bottom-links {
    display: flex;
    gap: 20px;
}
.footer-bottom-links a {
    color: rgba(255,255,255,0.45);
    font-size: 13px;
    transition: var(--transition);
}
.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* ===== Focus Accessibility ===== */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 30px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(12,18,34,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        z-index: 999;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        opacity: 0;
        visibility: hidden;
        padding: 40px;
    }
    .main-nav.open {
        opacity: 1;
        visibility: visible;
    }
    .nav-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }
    .nav-link {
        font-size: 18px;
        padding: 10px 24px;
    }
    .nav-cta {
        display: inline-block;
        font-size: 16px;
        padding: 12px 28px;
        margin-top: 8px;
    }
    .top-info-bar {
        font-size: 12px;
        letter-spacing: 1px;
    }
    .article-hero {
        padding: 80px 0 65px;
    }
    .article-hero h1 {
        font-size: 1.6rem;
    }
    .article-section {
        padding: 50px 0 65px;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px;
    }
    .sidebar-card {
        flex: 1;
        min-width: calc(50% - 8px);
    }
    .article-card {
        padding: 30px 24px;
    }
    .related-section {
        padding: 65px 0;
    }
    .related-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin-inline: auto;
    }
    .cta-section {
        padding: 60px 0;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 36px;
    }
    .footer-brand {
        grid-column: auto;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .container {
        width: 90%;
    }
    .sidebar-card {
        min-width: 100%;
    }
    .article-card {
        padding: 24px 18px;
        border-radius: 16px;
    }
    .article-content {
        font-size: 15px;
    }
    .article-meta {
        gap: 14px;
        font-size: 13px;
    }
    .breadcrumb {
        font-size: 13px;
    }
    .breadcrumb .current {
        max-width: 180px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
}

/* roulang page: category2 */
:root{
      --primary:#f0b90b;
      --primary-dark:#d4a106;
      --primary-light:#ffe066;
      --bg-deep:#0b1226;
      --bg-dark:#101a33;
      --bg-body:#ffffff;
      --bg-light:#f4f7fb;
      --text-main:#1b233a;
      --text-body:#4a5468;
      --text-mute:#8a94a6;
      --text-white:#ffffff;
      --border-light:#e6ebf2;
      --radius-lg:20px;
      --radius-md:14px;
      --radius-sm:8px;
      --shadow-sm:0 2px 10px rgba(11,18,38,.06);
      --shadow-md:0 10px 30px rgba(11,18,38,.10);
      --shadow-lg:0 24px 60px rgba(11,18,38,.16);
      --section-space:96px;
      --trans:.3s cubic-bezier(.4,0,.2,1);
    }
    *{
      margin:0;
      padding:0;
      box-sizing:border-box;
    }
    html{
      scroll-behavior:smooth;
    }
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.7;
      color:var(--text-body);
      background:var(--bg-body);
      -webkit-font-smoothing:antialiased;
    }
    img{
      max-width:100%;
      display:block;
    }
    a{
      text-decoration:none;
      color:inherit;
      transition:color var(--trans),background var(--trans),box-shadow var(--trans),transform var(--trans);
    }
    ul,ol{
      list-style:none;
    }
    button{
      border:none;
      background:none;
      font:inherit;
      cursor:pointer;
    }
    .container{
      width:100%;
      max-width:1200px;
      margin:0 auto;
      padding:0 24px;
    }
    .section{
      padding:var(--section-space) 0;
    }
    .section-light{
      background:var(--bg-body);
    }
    .section-gray{
      background:var(--bg-light);
    }
    .section-dark{
      background:linear-gradient(145deg,#0b1226 0%,#131e3c 100%);
      color:rgba(255,255,255,.85);
    }
    .section-head{
      text-align:center;
      max-width:680px;
      margin:0 auto 56px;
    }
    .section-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:rgba(240,185,11,.14);
      color:var(--primary-dark);
      font-weight:700;
      font-size:13px;
      letter-spacing:.6px;
      padding:8px 18px;
      border-radius:100px;
      border:1px solid rgba(240,185,11,.35);
      margin-bottom:16px;
      text-transform:uppercase;
    }
    .section-dark .section-tag{
      color:var(--primary-light);
      background:rgba(240,185,11,.15);
      border-color:rgba(240,185,11,.3);
    }
    .section-head h2{
      font-size:clamp(26px,3.6vw,40px);
      line-height:1.25;
      color:var(--text-main);
      font-weight:800;
      letter-spacing:-.5px;
      margin-bottom:14px;
    }
    .section-dark .section-head h2{
      color:var(--text-white);
    }
    .section-head p{
      font-size:16px;
      color:var(--text-mute);
    }
    .section-dark .section-head p{
      color:rgba(255,255,255,.62);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:14px 30px;
      border-radius:100px;
      font-weight:700;
      font-size:15px;
      line-height:1.2;
      transition:all var(--trans);
      cursor:pointer;
      border:2px solid transparent;
      letter-spacing:.3px;
    }
    .btn i{
      font-size:14px;
      transition:transform var(--trans);
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
      color:#0b1226;
      box-shadow:0 10px 28px rgba(240,185,11,.35);
    }
    .btn-primary:hover{
      transform:translateY(-3px);
      box-shadow:0 16px 36px rgba(240,185,11,.45);
    }
    .btn-primary:hover i{
      transform:translateX(4px);
    }
    .btn-outline{
      border-color:rgba(255,255,255,.7);
      color:#fff;
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(8px);
    }
    .btn-outline:hover{
      background:rgba(255,255,255,.15);
      border-color:#fff;
      transform:translateY(-3px);
    }
    .btn-light{
      background:#fff;
      color:var(--bg-deep);
      box-shadow:0 12px 30px rgba(0,0,0,.25);
    }
    .btn-light:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 42px rgba(0,0,0,.3);
    }
    /* ===== Header ===== */
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:linear-gradient(135deg,#0b1226 0%,#14203c 100%);
      border-bottom:1px solid rgba(255,255,255,.06);
      box-shadow:0 8px 30px rgba(8,12,28,.35);
    }
    .top-info-bar{
      background:linear-gradient(90deg,#0a0e1f,#1a2444);
      color:rgba(255,255,255,.86);
      text-align:center;
      font-size:13px;
      letter-spacing:.8px;
      padding:9px 16px;
      position:relative;
      overflow:hidden;
      border-bottom:1px solid rgba(240,185,11,.18);
    }
    .shine{
      position:absolute;
      top:0;
      left:-30%;
      width:22%;
      height:100%;
      background:linear-gradient(100deg,transparent,rgba(240,185,11,.18),transparent);
      animation:shine-slide 3.4s infinite;
    }
    @keyframes shine-slide{
      0%{left:-30%;}
      60%{left:110%;}
      100%{left:110%;}
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      height:76px;
      gap:24px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      flex-shrink:0;
    }
    .logo-icon{
      width:42px;
      height:42px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
      color:#0b1226;
      font-size:19px;
      border-radius:12px;
      box-shadow:0 6px 18px rgba(240,185,11,.35);
    }
    .logo-text{
      font-size:22px;
      font-weight:800;
      color:#fff;
      letter-spacing:.5px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      padding:10px 16px;
      border-radius:100px;
      color:rgba(255,255,255,.72);
      font-size:15px;
      font-weight:600;
      border:1px solid transparent;
      transition:all var(--trans);
    }
    .nav-link:hover{
      color:var(--primary-light);
      background:rgba(255,255,255,.06);
    }
    .nav-link.active{
      color:var(--primary);
      background:rgba(240,185,11,.12);
      border-color:rgba(240,185,11,.3);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-left:10px;
      padding:10px 22px;
      border-radius:100px;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      color:#0b1226;
      font-weight:800;
      font-size:14px;
      box-shadow:0 8px 22px rgba(240,185,11,.35);
      transition:all var(--trans);
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      box-shadow:0 12px 28px rgba(240,185,11,.5);
    }
    .nav-toggle{
      display:none;
      width:46px;
      height:46px;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      background:rgba(255,255,255,.07);
      color:#fff;
      font-size:20px;
      transition:background var(--trans),transform var(--trans);
    }
    .nav-toggle:hover{
      background:rgba(255,255,255,.15);
    }
    .nav-toggle:focus-visible{
      outline:3px solid rgba(240,185,11,.5);
      outline-offset:2px;
    }
    /* ===== Page Hero ===== */
    .page-hero{
      position:relative;
      min-height:600px;
      display:flex;
      align-items:center;
      background:linear-gradient(135deg,rgba(8,12,28,.92) 0%,rgba(10,18,40,.75) 55%,rgba(16,24,52,.65) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color:#fff;
      padding:130px 0 110px;
      overflow:hidden;
    }
    .page-hero::after{
      content:'';
      position:absolute;
      bottom:-1px;
      left:0;
      right:0;
      height:120px;
      background:linear-gradient(180deg,transparent,rgba(255,255,255,.04) 60%,rgba(255,255,255,.9));
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:rgba(240,185,11,.16);
      border:1px solid rgba(240,185,11,.4);
      color:var(--primary-light);
      font-size:13px;
      font-weight:700;
      letter-spacing:1.2px;
      padding:9px 22px;
      border-radius:100px;
      margin-bottom:22px;
      backdrop-filter:blur(6px);
    }
    .page-hero h1{
      font-size:clamp(34px,5.4vw,60px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-1px;
      max-width:760px;
      margin-bottom:20px;
      color:#fff;
    }
    .page-hero h1 span{
      color:var(--primary);
    }
    .page-hero p{
      font-size:clamp(16px,1.6vw,19px);
      color:rgba(255,255,255,.78);
      max-width:620px;
      line-height:1.8;
      margin-bottom:36px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:16px;
    }
    /* ===== 玩法分类 ===== */
    .type-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:24px;
    }
    .type-card{
      background:#fff;
      border:1px solid var(--border-light);
      border-radius:var(--radius-lg);
      padding:34px 26px;
      box-shadow:var(--shadow-sm);
      transition:all var(--trans);
      position:relative;
      overflow:hidden;
    }
    .type-card::before{
      content:'';
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:4px;
      background:linear-gradient(90deg,var(--primary),var(--primary-light));
      opacity:0;
      transition:opacity var(--trans);
    }
    .type-card:hover{
      transform:translateY(-8px);
      box-shadow:var(--shadow-lg);
      border-color:rgba(240,185,11,.4);
    }
    .type-card:hover::before{
      opacity:1;
    }
    .type-icon{
      width:58px;
      height:58px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      background:linear-gradient(135deg,rgba(240,185,11,.16),rgba(240,185,11,.32));
      color:var(--primary-dark);
      font-size:24px;
      margin-bottom:20px;
    }
    .type-card h3{
      font-size:19px;
      font-weight:800;
      color:var(--text-main);
      margin-bottom:10px;
    }
    .type-card p{
      font-size:14px;
      color:var(--text-mute);
      line-height:1.7;
    }
    /* ===== 热门玩法深色区 ===== */
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:24px;
    }
    .guide-card{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      overflow:hidden;
      transition:all var(--trans);
    }
    .guide-card:hover{
      transform:translateY(-8px);
      border-color:rgba(240,185,11,.4);
      background:rgba(255,255,255,.09);
      box-shadow:0 22px 50px rgba(0,0,0,.35);
    }
    .guide-cover{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
    }
    .guide-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .6s cubic-bezier(.4,0,.2,1);
    }
    .guide-card:hover .guide-cover img{
      transform:scale(1.06);
    }
    .guide-tag{
      position:absolute;
      top:14px;
      left:14px;
      background:rgba(11,18,38,.82);
      backdrop-filter:blur(8px);
      color:var(--primary-light);
      font-size:12px;
      font-weight:600;
      padding:6px 14px;
      border-radius:100px;
      border:1px solid rgba(240,185,11,.4);
    }
    .guide-body{
      padding:20px 20px 24px;
    }
    .guide-body h3{
      font-size:17px;
      color:#fff;
      font-weight:800;
      margin-bottom:8px;
      line-height:1.4;
    }
    .guide-body p{
      font-size:13px;
      color:rgba(255,255,255,.6);
      line-height:1.65;
      margin-bottom:14px;
    }
    .guide-more{
      font-size:13px;
      color:var(--primary);
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .guide-more i{
      transition:transform var(--trans);
    }
    .guide-more:hover i{
      transform:translateX(4px);
    }
    /* ===== 上手流程 ===== */
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:32px;
      counter-reset:step;
    }
    .step-item{
      text-align:center;
      padding:36px 24px;
      background:var(--bg-light);
      border-radius:var(--radius-lg);
      border:1px solid var(--border-light);
      position:relative;
      transition:all var(--trans);
    }
    .step-item:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-md);
      border-color:rgba(240,185,11,.3);
    }
    .step-num{
      width:64px;
      height:64px;
      margin:0 auto 20px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:100%;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      color:#0b1226;
      font-weight:900;
      font-size:22px;
      box-shadow:0 10px 24px rgba(240,185,11,.35);
    }
    .step-item h3{
      font-size:18px;
      font-weight:800;
      color:var(--text-main);
      margin-bottom:10px;
    }
    .step-item p{
      font-size:14px;
      color:var(--text-mute);
      line-height:1.7;
    }
    /* ===== 技巧区 ===== */
    .tips-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:60px;
      align-items:center;
    }
    .tips-image{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-lg);
    }
    .tips-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:420px;
    }
    .tips-image::after{
      content:'';
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 40%,rgba(11,18,38,.32));
    }
    .tips-content h2{
      font-size:clamp(24px,3vw,34px);
      font-weight:800;
      color:var(--text-main);
      line-height:1.3;
      margin-bottom:26px;
      letter-spacing:-.5px;
    }
    .tips-list li{
      display:flex;
      gap:14px;
      padding:12px 0;
      border-bottom:1px dashed var(--border-light);
    }
    .tips-list li:last-child{
      border-bottom:none;
    }
    .tips-list i{
      color:var(--primary-dark);
      font-size:15px;
      margin-top:7px;
      flex-shrink:0;
    }
    .tips-list strong{
      display:block;
      font-size:16px;
      color:var(--text-main);
      margin-bottom:2px;
    }
    .tips-list span{
      font-size:14px;
      color:var(--text-mute);
      line-height:1.65;
    }
    /* ===== 文章卡片 ===== */
    .article-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:24px;
    }
    .article-card{
      display:block;
      background:#fff;
      border:1px solid var(--border-light);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      transition:all var(--trans);
    }
    .article-card:hover{
      transform:translateY(-8px);
      box-shadow:var(--shadow-lg);
      border-color:rgba(240,185,11,.35);
    }
    .article-cover{
      aspect-ratio:16/9;
      overflow:hidden;
      position:relative;
    }
    .article-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .article-card:hover .article-cover img{
      transform:scale(1.05);
    }
    .article-date{
      position:absolute;
      bottom:12px;
      left:12px;
      background:rgba(11,18,38,.8);
      color:#fff;
      font-size:12px;
      padding:4px 12px;
      border-radius:100px;
      backdrop-filter:blur(4px);
    }
    .article-body{
      padding:22px 22px 26px;
    }
    .article-body h3{
      font-size:16px;
      font-weight:800;
      color:var(--text-main);
      line-height:1.45;
      margin-bottom:8px;
      transition:color var(--trans);
    }
    .article-card:hover .article-body h3{
      color:var(--primary-dark);
    }
    .article-body p{
      font-size:13px;
      color:var(--text-mute);
      line-height:1.7;
    }
    /* ===== FAQ ===== */
    .faq-wrap{
      max-width:820px;
      margin:0 auto;
    }
    .faq-item{
      margin-bottom:14px;
      border:1px solid var(--border-light);
      border-radius:var(--radius-md);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:border-color var(--trans),box-shadow var(--trans);
    }
    .faq-item:hover{
      border-color:rgba(240,185,11,.35);
      box-shadow:var(--shadow-md);
    }
    .faq-item summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 24px;
      font-size:15px;
      font-weight:700;
      color:var(--text-main);
      cursor:pointer;
      list-style:none;
      transition:background var(--trans);
    }
    .faq-item summary::-webkit-details-marker{
      display:none;
    }
    .faq-item summary::after{
      content:'\f078';
      font-family:'Font Awesome 6 Free';
      font-weight:900;
      color:var(--primary-dark);
      transition:transform var(--trans);
    }
    .faq-item[open] summary::after{
      transform:rotate(180deg);
    }
    .faq-item[open] summary{
      background:rgba(240,185,11,.06);
    }
    .faq-answer{
      padding:0 24px 22px;
      color:var(--text-body);
      font-size:14px;
      line-height:1.75;
      border-top:1px dashed var(--border-light);
      margin-top:0;
      padding-top:16px;
    }
    /* ===== CTA ===== */
    .cta-section{
      position:relative;
      text-align:center;
      padding:110px 0;
      background:linear-gradient(135deg,rgba(11,18,38,.94),rgba(17,27,55,.88)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      color:#fff;
    }
    .cta-section h2{
      font-size:clamp(28px,4vw,42px);
      font-weight:900;
      margin-bottom:16px;
      letter-spacing:-.5px;
    }
    .cta-section h2 span{
      color:var(--primary);
    }
    .cta-section p{
      font-size:17px;
      color:rgba(255,255,255,.75);
      max-width:520px;
      margin:0 auto 36px;
    }
    /* ===== Footer ===== */
    .site-footer{
      background:#0d1428;
      color:rgba(255,255,255,.68);
      padding:72px 0 0;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr;
      gap:48px;
      padding-bottom:48px;
    }
    .footer-brand .logo{
      margin-bottom:18px;
    }
    .footer-brand p{
      font-size:14px;
      line-height:1.8;
      color:rgba(255,255,255,.5);
      max-width:340px;
    }
    .footer-col h4{
      color:#fff;
      font-size:16px;
      font-weight:800;
      margin-bottom:18px;
      letter-spacing:.4px;
    }
    .footer-col li{
      margin-bottom:10px;
    }
    .footer-col a{
      font-size:14px;
      color:rgba(255,255,255,.55);
      transition:all var(--trans);
    }
    .footer-col a:hover{
      color:var(--primary);
      padding-left:5px;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.08);
      padding:24px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(255,255,255,.4);
    }
    .footer-bottom-links{
      display:flex;
      gap:20px;
    }
    .footer-bottom-links a{
      color:rgba(255,255,255,.45);
      transition:color var(--trans);
    }
    .footer-bottom-links a:hover{
      color:var(--primary);
    }
    /* ===== 响应式 ===== */
    @media (max-width:1024px){
      .type-grid,.guide-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .steps-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .article-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .tips-wrap{
        gap:40px;
      }
      .nav-link{
        padding:10px 12px;
        font-size:14px;
      }
      .nav-cta{
        margin-left:4px;
        padding:10px 16px;
      }
      .footer-inner{
        grid-template-columns:1fr 1fr;
      }
    }
    @media (max-width:768px){
      .nav-toggle{
        display:inline-flex;
      }
      .header-inner{
        height:68px;
      }
      .main-nav{
        position:absolute;
        top:100%;
        left:0;
        right:0;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        background:linear-gradient(180deg,#101a33,#0c1328);
        padding:18px 24px;
        border-bottom:1px solid rgba(240,185,11,.15);
        box-shadow:0 24px 40px rgba(0,0,0,.4);
        display:none;
      }
      .main-nav.open{
        display:flex;
      }
      .nav-link{
        padding:12px 16px;
        border-radius:10px;
        font-size:15px;
      }
      .nav-cta{
        margin:8px 0 0;
        justify-content:center;
      }
      .page-hero{
        min-height:520px;
        padding:90px 0 90px;
      }
      .section{
        --section-space:64px;
      }
      .type-grid,.guide-grid,.steps-grid{
        grid-template-columns:1fr 1fr;
        gap:16px;
      }
      .tips-wrap{
        grid-template-columns:1fr;
      }
      .tips-image img{
        min-height:280px;
      }
      .article-grid{
        grid-template-columns:1fr;
      }
      .page-hero h1{
        margin-bottom:16px;
      }
      .hero-actions .btn{
        width:100%;
      }
    }
    @media (max-width:520px){
      .type-grid,.guide-grid,.steps-grid{
        grid-template-columns:1fr;
      }
      .header-inner{
        gap:12px;
      }
      .logo-text{
        font-size:19px;
      }
      .logo-icon{
        width:38px;
        height:38px;
        font-size:16px;
      }
      .container{
        padding:0 18px;
      }
      .section-head{
        margin-bottom:38px;
      }
      .page-hero p{
        margin-bottom:28px;
      }
      .footer-inner{
        grid-template-columns:1fr;
        gap:32px;
      }
      .footer-bottom{
        flex-direction:column;
        text-align:center;
      }
      .footer-bottom-links{
        justify-content:center;
      }
      .faq-item summary{
        padding:16px 18px;
        font-size:14px;
      }
      .faq-answer{
        padding:0 18px 18px;
        font-size:13px;
      }
    }
    /* Focus 可访问性 */
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(240,185,11,.55);
      outline-offset:2px;
      border-radius:4px;
    }

/* roulang page: category3 */
/* ===== 全局设计变量 ===== */
:root {
  --primary: #0b1220;
  --primary-dark: #070d18;
  --primary-light: #16223a;
  --surface: #111a2e;
  --surface-2: #1a2842;
  --accent: #e9b44c;
  --accent-dark: #c49234;
  --accent-light: #ffe39c;
  --white: #ffffff;
  --text: #f0f3f9;
  --muted: #9cabbf;
  --muted-2: #6c7b94;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-md: 0 18px 45px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 32px 90px rgba(0, 0, 0, 0.55);
  --gradient-gold: linear-gradient(135deg, #e9b44c 0%, #ffe39c 45%, #e9b44c 100%);
  --gradient-bg: linear-gradient(160deg, #0b1220 0%, #111a2e 50%, #1a2842 100%);
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container: 1200px;
  --gap-section: 72px;
}

/* ===== 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-main);
  background: var(--primary);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease;
}

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

ul,
ol {
  list-style: none;
}

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

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

::selection {
  background: var(--accent);
  color: #0b1220;
}

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

/* ===== 顶栏 ===== */
.top-info-bar {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, #0d1522, #1a2540, #0d1522);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  letter-spacing: 1.5px;
  padding: 8px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  gap: 10px;
}

.top-info-bar .shine {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

/* ===== 站点头部 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 16, 28, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b1220;
  font-size: 18px;
  box-shadow: 0 6px 20px rgba(233, 180, 76, 0.35);
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(120deg, #fff, #ffe39c);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 10px;
  transition: all .25s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent-light);
  background: rgba(233, 180, 76, 0.1);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(233, 180, 76, 0.6);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #0b1220;
  background: var(--gradient-gold);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(233, 180, 76, 0.3);
  transition: all .3s ease;
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(233, 180, 76, 0.45);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: background .25s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ===== 页面 Hero ===== */
.page-hero {
  position: relative;
  padding: 120px 0 100px;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(7, 13, 24, 0.92) 0%, rgba(11, 18, 32, 0.75) 50%, rgba(14, 23, 40, 0.88) 100%);
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 110px;
  background: linear-gradient(to top, var(--primary) 0%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(233, 180, 76, 0.12);
  border: 1px solid rgba(233, 180, 76, 0.35);
  color: var(--accent-light);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.page-hero h1 .text-accent {
  background: linear-gradient(120deg, #ffd370, #e9b44c);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin-bottom: 36px;
}

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all .3s ease;
}

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

.btn-primary {
  background: var(--gradient-gold);
  color: #0b1220;
  box-shadow: 0 10px 30px rgba(233, 180, 76, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(233, 180, 76, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
}

/* ===== 通用版块 ===== */
.section {
  padding: var(--gap-section) 0;
}

.section-head {
  max-width: 720px;
}

.section-head.center {
  margin: 0 auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: rgba(233, 180, 76, 0.1);
  border: 1px solid rgba(233, 180, 76, 0.2);
  padding: 6px 16px;
  border-radius: 999px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
}

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

/* ===== 评测简介 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

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

.intro-media img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform .6s ease;
}

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

.intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 13, 24, 0.65) 0%, transparent 60%);
  pointer-events: none;
}

.media-badge {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 3;
  background: rgba(10, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(233, 180, 76, 0.4);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  line-height: 1.3;
}

.media-badge strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.intro-content h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  margin: 16px 0 18px;
}

.intro-content p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 14px;
}

.check-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  transition: all .25s ease;
}

.check-list li:hover {
  border-color: rgba(233, 180, 76, 0.3);
  background: rgba(233, 180, 76, 0.06);
}

.check-list li i {
  color: var(--accent);
  font-size: 15px;
}

/* ===== 评分指标 ===== */
.metrics-section {
  background: var(--gradient-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.metric-card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  overflow: hidden;
  transition: all .3s ease;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(233, 180, 76, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  transition: all .4s ease;
  opacity: 0;
}

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

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(233, 180, 76, 0.25);
  box-shadow: var(--shadow-md);
}

.metric-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(233, 180, 76, 0.12);
  color: var(--accent);
  font-size: 24px;
  margin-bottom: 18px;
}

.metric-value {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.metric-value span {
  font-size: 20px;
  font-weight: 600;
  color: var(--muted);
  margin-left: 2px;
}

.metric-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 10px;
}

.metric-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== 用户反馈 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}

.review-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .35s ease;
}

.review-card:hover {
  transform: translateY(-6px);
  border-color: rgba(233, 180, 76, 0.2);
  box-shadow: var(--shadow-md);
}

.review-cover {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.review-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 18, 32, 0.8) 0%, transparent 60%);
}

.review-avatar {
  position: absolute;
  left: 18px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-avatar i {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: #0b1220;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.review-avatar span {
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
}

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

.review-stars {
  display: flex;
  gap: 3px;
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 12px;
}

.review-body p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 16px;
}

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

.review-meta .tag {
  background: rgba(233, 180, 76, 0.1);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

/* ===== 亮点评测 ===== */
.highlight-section {
  background: linear-gradient(180deg, transparent 0%, rgba(22, 34, 58, 0.5) 50%, transparent 100%);
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 44px;
}

.highlight-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: all .3s ease;
  overflow: hidden;
}

.highlight-card::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(233, 180, 76, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.highlight-card:hover {
  transform: translateY(-5px);
  background: rgba(233, 180, 76, 0.06);
  border-color: rgba(233, 180, 76, 0.25);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(233, 180, 76, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
  margin-bottom: 18px;
}

.highlight-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

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

/* ===== 评测流程 ===== */
.method-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(165deg, rgba(11, 18, 32, 0.6), rgba(22, 34, 58, 0.5));
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 44px;
  position: relative;
}

.method-grid::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(233, 180, 76, 0.4), transparent);
}

.method-step {
  position: relative;
  text-align: center;
  padding: 0 10px;
}

.method-num {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid rgba(233, 180, 76, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  box-shadow: 0 0 0 6px rgba(233, 180, 76, 0.06);
  z-index: 2;
}

.method-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* ===== FAQ ===== */
.faq-list {
  max-width: 780px;
  margin: 40px auto 0;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s ease;
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.faq-item.open {
  border-color: rgba(233, 180, 76, 0.35);
  background: rgba(233, 180, 76, 0.04);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  text-align: left;
  gap: 16px;
  cursor: pointer;
}

.faq-q .faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--accent);
  transition: transform .35s ease, background .3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(233, 180, 76, 0.18);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-a-inner {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

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

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 13, 24, 0.95) 0%, rgba(11, 18, 32, 0.85) 60%, rgba(233, 180, 76, 0.25) 100%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.cta-inner h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 30px;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-dark);
  border-top: 1px solid var(--border);
  padding-top: 60px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

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

.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--muted);
  font-size: 14px;
  transition: all .25s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  font-size: 13px;
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--muted-2);
  font-size: 13px;
}

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

/* ===== 移动端响应 ===== */
@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .method-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

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

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

  .intro-media img {
    height: 380px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --gap-section: 54px;
  }

  .header-inner {
    height: 68px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: rgba(8, 14, 25, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 84px 24px 32px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.4, 0, .2, 1);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--border);
    z-index: 120;
    overflow-y: auto;
  }

  .main-nav.nav-open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    font-size: 16px;
    padding: 14px 16px;
    justify-content: flex-start;
  }

  .nav-cta {
    width: 100%;
    margin: 12px 0 0;
    justify-content: center;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .page-hero {
    padding: 90px 0 80px;
  }

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

  .btn {
    width: 100%;
  }

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

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

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

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

  .metric-card {
    padding: 24px 16px;
  }

  .metric-value {
    font-size: 32px;
  }

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

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

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

  .footer-bottom-links {
    justify-content: center;
  }

  .cta-section {
    padding: 60px 0;
  }
}

@media (max-width: 520px) {
  .container {
    width: calc(100% - 32px);
  }

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

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

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

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

  .section-head h2 {
    font-size: 25px;
  }

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

  .intro-media img {
    height: 280px;
  }

  .media-badge {
    right: 14px;
    bottom: 14px;
    padding: 10px 16px;
  }

  .review-body {
    padding: 18px 18px 22px;
  }

  .faq-q {
    padding: 16px 18px;
    font-size: 15px;
  }

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

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