/* roulang page: index */
:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --primary-light: #fff7ed;
  --secondary: #0f172a;
  --secondary-light: #1e293b;
  --text-main: #0f172a;
  --text-weak: #64748b;
  --bg-white: #ffffff;
  --bg-soft: #f8fafc;
  --bg-dark: #0d1526;
  --border: #e2e8f0;
  --radius: 20px;
  --radius-sm: 10px;
  --radius-lg: 28px;
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 18px 46px rgba(15, 23, 42, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container: 1200px;
  --space: 96px;
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-white);
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}
.section-head--left {
  text-align: left;
  margin: 0 0 40px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(26px, 3.5vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--secondary);
}
.section-head p {
  margin-top: 14px;
  color: var(--text-weak);
  font-size: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--secondary);
  white-space: nowrap;
}
.brand i {
  color: var(--primary);
  font-size: 22px;
}
.brand--light {
  color: #fff;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn--primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(249, 115, 22, 0.32);
}
.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn--white {
  background: #fff;
  color: var(--secondary);
  border-color: #fff;
}
.btn--white:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 255, 255, 0.18);
}
.btn--sm {
  padding: 8px 18px;
  font-size: 14px;
}
.btn--lg {
  padding: 14px 34px;
  font-size: 16px;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
}
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.tag--primary {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.tag--dark {
  background: rgba(15, 23, 42, 0.08);
  color: var(--secondary);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 38px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 2px;
  letter-spacing: 0.3px;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: width 0.28s ease;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--primary-dark);
}
.nav-cta {
  margin-left: auto;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(95deg, rgba(5, 11, 24, 0.94) 0%, rgba(5, 11, 24, 0.75) 48%, rgba(5, 11, 24, 0.35) 100%);
}
.hero__content {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-top: 60px;
  padding-bottom: 60px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  background: rgba(249, 115, 22, 0.16);
  border: 1px solid rgba(249, 115, 22, 0.42);
  color: #ffd6b8;
  padding: 6px 18px;
  border-radius: 100px;
  width: fit-content;
}
.hero__badge i {
  color: var(--primary);
}
.hero__title {
  font-size: clamp(34px, 5.2vw, 58px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.5px;
  max-width: 720px;
}
.hero__subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 600px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 780px;
  margin-top: 22px;
}
.metric-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 20px 22px;
  backdrop-filter: blur(10px);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.metric-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(249, 115, 22, 0.4);
}
.metric-item__label {
  display: block;
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 6px;
}
.metric-item__value {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.stats {
  background: var(--bg-dark);
  color: #fff;
  padding: 40px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 18px 10px;
}
.stat-item strong {
  display: block;
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary);
  line-height: 1.3;
}
.stat-item span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
}
.about {
  padding: var(--space) 0;
  background: var(--bg-white);
}
.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.about__text p {
  color: var(--text-weak);
  font-size: 16px;
  margin-bottom: 28px;
}
.about__points {
  display: grid;
  gap: 14px;
}
.about__points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--secondary);
  font-weight: 500;
}
.about__points li i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 3px;
}
.about__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about__visual img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}
.about__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
}
.categories {
  padding: var(--space) 0;
  background: var(--bg-soft);
}
.categories__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover img {
  transform: scale(1.05);
}
.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.08) 0%, rgba(15, 23, 42, 0.65) 72%, rgba(15, 23, 42, 0.86) 100%);
}
.category-card__body {
  position: relative;
  z-index: 2;
  padding: 30px 28px;
  color: #fff;
  width: 100%;
}
.category-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(249, 115, 22, 0.22);
  border: 1px solid rgba(249, 115, 22, 0.4);
  border-radius: 12px;
  font-size: 18px;
  color: #ffd6b8;
  margin-bottom: 14px;
}
.category-card__body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-card__body p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 16px;
}
.news {
  padding: var(--space) 0;
  background: var(--bg-white);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(249, 115, 22, 0.3);
}
.news-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.news-card__date {
  font-size: 13px;
  color: var(--text-weak);
  font-weight: 400;
}
.news-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}
.news-card__title a {
  color: var(--secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__title a:hover {
  color: var(--primary);
}
.news-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-weak);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.news-card__more i {
  transition: transform 0.3s ease;
}
.news-card__more:hover i {
  transform: translateX(4px);
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 70px 24px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  color: var(--text-weak);
  font-size: 16px;
}
.features {
  padding: var(--space) 0;
  background: var(--bg-soft);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(249, 115, 22, 0.25);
}
.feature-card__icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 18px;
  font-size: 22px;
  margin-bottom: 20px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.feature-card:hover .feature-card__icon {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--secondary);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
.process {
  padding: var(--space) 0;
  background: var(--bg-white);
}
.process__list {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
}
.process-step {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--bg-soft);
  border: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.process-step:hover {
  border-color: rgba(249, 115, 22, 0.35);
  background: var(--primary-light);
}
.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--secondary);
  color: #fff;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 16px;
}
.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--secondary);
}
.process-step p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
.process-step__line {
  flex: 0 0 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
  font-size: 20px;
}
.faq {
  padding: var(--space) 0;
  background: var(--bg-soft);
}
.faq__list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 28px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(249, 115, 22, 0.3);
  box-shadow: var(--shadow);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary);
  list-style: none;
  outline: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary i {
  transform: rotate(180deg);
}
.faq-item__body {
  margin-top: 14px;
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
.cta {
  position: relative;
  padding: 110px 0;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.cta__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(5, 11, 24, 0.92), rgba(5, 11, 24, 0.7));
  z-index: -1;
}
.cta__content {
  max-width: 680px;
}
.cta__content h2 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta__content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 30px;
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__brand p {
  margin-top: 16px;
  font-size: 14px;
  max-width: 320px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
}
.footer__col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.footer__col a,
.footer__col span {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 10px;
  cursor: default;
  transition: color 0.25s ease;
}
.footer__col a:hover {
  color: var(--primary);
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 8px 22px rgba(249, 115, 22, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}
@media (max-width: 1024px) {
  .hero__content {
    gap: 30px;
  }
  .hero {
    min-height: 68vh;
  }
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about__grid {
    gap: 40px;
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  :root {
    --space: 70px;
  }
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s ease, opacity 0.35s ease;
    z-index: 999;
  }
  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-menu .nav-link {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
  }
  .nav-menu .nav-link:last-child {
    border-bottom: none;
  }
  .nav-menu .nav-link::after {
    display: none;
  }
  .nav-menu .nav-link.active {
    color: var(--primary);
    padding-left: 4px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
  .hero {
    min-height: auto;
    padding: 60px 0;
  }
  .hero__title {
    font-size: clamp(30px, 8vw, 40px);
  }
  .hero__metrics {
    grid-template-columns: 1fr;
  }
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .about__grid {
    grid-template-columns: 1fr;
  }
  .about__visual img {
    height: 240px;
  }
  .categories__grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .process__list {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .process-step {
    max-width: 100%;
    width: 100%;
    margin-bottom: 16px;
  }
  .process-step__line {
    transform: rotate(90deg);
    flex-basis: 30px;
  }
  .cta__actions {
    flex-direction: column;
    align-items: center;
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  .back-top {
    bottom: 20px;
    right: 20px;
  }
}
@media (max-width: 520px) {
  .stats__grid {
    grid-template-columns: 1fr;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root {
  --primary: #166534;
  --primary-light: #1f8a4d;
  --primary-dark: #0e3f22;
  --accent: #d4a24c;
  --accent-light: #e6bd6d;
  --accent-dark: #b07e30;
  --bg: #f5f5f2;
  --bg-card: #ffffff;
  --bg-dark: #0d1b13;
  --text: #1a2420;
  --text-muted: #64736a;
  --border: #e4e1db;
  --border-dark: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(18, 40, 28, 0.08);
  --shadow-lg: 0 18px 48px rgba(18, 40, 28, 0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --header-height: 76px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style-position: inside; }
.container { width: min(var(--container), 92%); margin: 0 auto; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 22px; font-weight: 800; letter-spacing: -0.3px;
  color: var(--primary-dark);
}
.brand i {
  color: var(--accent);
  font-size: 22px;
}
.nav-menu {
  display: flex; align-items: center; gap: 8px;
  flex: 1; justify-content: center;
}
.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 15px; font-weight: 600;
  color: var(--text-muted);
  border-radius: 999px;
  transition: var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute; left: 50%; bottom: 2px;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 20px; }
.nav-link.active { color: var(--primary); background: rgba(22, 101, 52, 0.08); }
.nav-link.active::after { width: 24px; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 700;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 6px;
  border-radius: 8px;
}
.nav-toggle span {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px; font-weight: 700;
  line-height: 1.4;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn:focus-visible { outline: 3px solid rgba(212, 162, 76, 0.4); outline-offset: 2px; }
.btn--primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 4px 16px rgba(22, 101, 52, 0.25);
}
.btn--primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22, 101, 52, 0.3);
}
.btn--ghost {
  background: transparent; color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--primary); color: var(--primary);
  background: rgba(22, 101, 52, 0.04);
}
.btn--sm { padding: 8px 18px; font-size: 13px; }
.btn--light {
  background: var(--accent); color: #1a2420;
  box-shadow: 0 4px 16px rgba(212, 162, 76, 0.3);
}
.btn--light:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 162, 76, 0.4);
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  padding: 28px 0 0;
}
.breadcrumb {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 14px; color: var(--text-muted);
}
.breadcrumb a {
  color: var(--text-muted);
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb__sep { color: #c0c8c2; font-size: 12px; }
.breadcrumb__current {
  color: var(--text); font-weight: 600;
  max-width: 300px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ===== Article Section ===== */
.article-section {
  padding: 40px 0 72px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}

/* ===== Article Card ===== */
.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.article-header {
  padding: 44px 48px 28px;
  border-bottom: 1px solid var(--border);
}
.article-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 14px;
  margin-bottom: 16px;
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(22, 101, 52, 0.1);
  color: var(--primary);
  font-size: 13px; font-weight: 700;
}
.article-date {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-muted);
}
.article-header h1 {
  font-size: 34px; line-height: 1.35;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.article-desc {
  font-size: 16px; color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Article Content ===== */
.article-content {
  padding: 40px 48px 32px;
  font-size: 16px;
  line-height: 1.8;
  color: #2a3530;
}
.article-content > * + * { margin-top: 18px; }
.article-content h2 {
  font-size: 24px; font-weight: 800;
  color: var(--text);
  margin-top: 36px; margin-bottom: 12px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  border-radius: 2px;
}
.article-content h3 {
  font-size: 20px; font-weight: 700;
  color: var(--text);
  margin-top: 30px; margin-bottom: 10px;
}
.article-content p {
  margin-bottom: 4px;
  color: #2a3530;
}
.article-content a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(22, 101, 52, 0.2);
}
.article-content a:hover {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
}
.article-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 28px 0;
}
.article-content blockquote {
  position: relative;
  padding: 20px 24px;
  margin: 28px 0;
  background: rgba(22, 101, 52, 0.05);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
}
.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin: 16px 0;
}
.article-content li {
  margin-bottom: 8px;
  padding-left: 4px;
}
.article-content ul li::marker { color: var(--accent); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-content th {
  background: var(--primary);
  color: #fff;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
}
.article-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.article-content tr:last-child td { border-bottom: none; }
.article-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 32px 0;
}

/* ===== Article Tags ===== */
.article-tags {
  padding: 24px 48px 40px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
}
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 13px; font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
}
.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== Not Found ===== */
.not-found-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 72px 48px;
  text-align: center;
  border: 1px solid var(--border);
}
.not-found-card i {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-block;
}
.not-found-card h1 {
  font-size: 32px; font-weight: 800;
  margin-bottom: 12px;
}
.not-found-card p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex; flex-direction: column; gap: 24px;
  position: sticky; top: 100px;
}

/* HUD Card */
.hud-card {
  background: linear-gradient(145deg, #0f2419, #0a1a11);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 162, 76, 0.2);
  padding: 28px;
  color: #e8f0ea;
  box-shadow: 0 12px 32px rgba(8, 20, 13, 0.35);
  position: relative;
  overflow: hidden;
}
.hud-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(212, 162, 76, 0.12), transparent 60%);
  pointer-events: none;
}
.hud-card__head {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 800;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 16px;
  margin-bottom: 20px;
}
.hud-card__head i {
  color: var(--accent);
  font-size: 18px;
}
.hud-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.hud-name {
  width: 48px;
  font-size: 13px; font-weight: 600;
  color: #b8c8bc;
  flex-shrink: 0;
}
.hud-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  overflow: hidden;
}
.hud-fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  box-shadow: 0 0 8px rgba(212, 162, 76, 0.3);
}
.hud-score {
  width: 28px;
  text-align: right;
  font-size: 13px; font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.hud-card__foot {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* Sidebar Card */
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid var(--border);
}
.sidebar-card__head {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.sidebar-card__head i {
  color: var(--accent);
}
.sidebar-list {
  display: flex; flex-direction: column; gap: 0;
}
.sidebar-list__item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.sidebar-list__item:last-child { border-bottom: none; }
.sidebar-list__item:hover { padding-left: 6px; }
.sidebar-list__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 10px; flex-shrink: 0;
}
.sidebar-list__text {
  font-size: 14px; font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}
.sidebar-list__item:hover .sidebar-list__text { color: var(--primary); }
.sidebar-list__meta {
  display: block;
  font-size: 12px; color: var(--text-muted);
  margin-top: 2px;
}

/* ===== Related Section ===== */
.related-section {
  padding: 16px 0 80px;
}
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px;
}
.section-head__title {
  font-size: 28px; font-weight: 800;
  color: var(--text);
  position: relative;
  padding-left: 16px;
}
.section-head__title::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 22px;
  background: var(--accent);
  border-radius: 4px;
}
.section-head__link {
  font-size: 14px; font-weight: 600;
  color: var(--text-muted);
}
.section-head__link:hover { color: var(--primary); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(22, 101, 52, 0.2);
}
.related-card__img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg);
}
.related-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-card__img img {
  transform: scale(1.04);
}
.related-card__body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex; flex-direction: column; gap: 10px;
}
.related-card__tag {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(22, 101, 52, 0.08);
  color: var(--primary);
  font-size: 12px; font-weight: 700;
}
.related-card__body h3 {
  font-size: 17px; font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-card__body h3 { color: var(--primary); }
.related-card__body p {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background:
    linear-gradient(135deg, rgba(13, 27, 19, 0.95), rgba(22, 101, 52, 0.85)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(212, 162, 76, 0.15);
  filter: blur(40px);
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 32px; font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  flex-wrap: wrap;
}
.cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 30px;
  font-size: 14px;
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer__brand .brand {
  color: #fff;
  font-size: 20px;
  margin-bottom: 14px;
  display: inline-flex;
}
.footer__brand p {
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  max-width: 340px;
}
.footer__col {
  display: flex; flex-direction: column; gap: 10px;
}
.footer__col h4 {
  font-size: 15px; font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.footer__col a,
.footer__col span {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  font-size: 14px;
}
.footer__col a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 24px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-110%);
    transition: transform 0.35s ease;
    z-index: 99;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-link {
    padding: 12px 16px;
    border-radius: 10px;
  }
  .nav-link::after { display: none; }
  .nav-link.active { background: rgba(22, 101, 52, 0.08); }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .article-header {
    padding: 28px 24px 20px;
  }
  .article-header h1 {
    font-size: 26px;
  }
  .article-content {
    padding: 28px 24px 24px;
  }
  .article-tags {
    padding: 20px 24px 28px;
  }
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
  .section-head__title {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .container { width: 92%; }
  .article-header h1 {
    font-size: 22px;
  }
  .article-desc {
    font-size: 14px;
  }
  .related-card__body h3 {
    font-size: 16px;
  }
  .cta-section { padding: 56px 0; }
  .cta-buttons .btn { width: 100%; }
  .breadcrumb__current {
    max-width: 180px;
  }
}

/* roulang page: category1 */
:root {
    --primary: #e63946;
    --primary-600: #c92a35;
    --primary-050: #fdf0f1;
    --accent: #f4a261;
    --dark: #0b1424;
    --dark-800: #101d33;
    --dark-700: #182941;
    --bg: #f4f6fb;
    --surface: #ffffff;
    --text: #16233b;
    --text-muted: #64748b;
    --border: #dfe5ef;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 10px rgba(11, 20, 36, .06);
    --shadow: 0 14px 36px rgba(11, 20, 36, .1);
    --shadow-lg: 0 26px 64px rgba(11, 20, 36, .16);
    --container: 1200px;
    --gap: 24px;
    --transition: all .25s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

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

ul, ol {
    list-style: none;
}

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

/* ===== Button ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(230, 57, 70, .32);
}

.btn--primary:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(230, 57, 70, .42);
}

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

.btn--outline {
    border: 2px solid rgba(255, 255, 255, .7);
    color: #fff;
    background: rgba(255, 255, 255, .08);
    backdrop-filter: blur(6px);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, .18);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn--sm {
    padding: 8px 18px;
    font-size: 13px;
}

.btn--lg {
    padding: 14px 34px;
    font-size: 16px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

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

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: .5px;
}

.brand i {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: 12px;
    font-size: 17px;
    box-shadow: 0 6px 16px rgba(230, 57, 70, .3);
}

.brand--light {
    color: #fff;
}

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

.nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 999px;
}

.nav-link:hover {
    color: var(--text);
    background: var(--primary-050);
}

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-050);
}

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 3px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
}

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

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

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

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

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

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

/* ===== Page Hero ===== */
.page-hero {
    position: relative;
    background: var(--dark) center/cover no-repeat;
    color: #fff;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(11, 20, 36, .88) 20%, rgba(11, 20, 36, .55) 60%, rgba(230, 57, 70, .35) 100%);
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.page-hero__inner {
    position: relative;
    z-index: 2;
    padding: 84px 24px 96px;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.page-hero__crumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .7);
    margin-bottom: 20px;
}

.page-hero__crumb a:hover {
    color: #fff;
}

.page-hero__crumb i {
    font-size: 11px;
    color: var(--accent);
}

.page-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(230, 57, 70, .2);
    border: 1px solid rgba(230, 57, 70, .5);
    color: #ffb3ba;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.page-hero__tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 1px;
}

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

.page-hero__desc {
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .85);
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.page-hero__meta {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.page-hero__meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, .75);
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    padding: 8px 16px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
}

.page-hero__meta-item i {
    color: var(--accent);
}

/* ===== Section base ===== */
.section {
    padding: 88px 0;
}

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

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

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

.section__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
}

.section__tag::before {
    content: "";
    width: 18px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

.section__tag--center::after {
    content: "";
    width: 18px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

.section__title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text);
    letter-spacing: .5px;
}

.section__desc {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-muted);
}

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

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

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

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

.news-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

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

.news-card__cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 20, 36, 0) 55%, rgba(11, 20, 36, .55) 100%);
}

.news-card__badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(230, 57, 70, .4);
}

.news-card__body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-card__title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--text);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.news-card__excerpt {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
    flex: 1;
}

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

.news-card__meta i {
    margin-right: 4px;
    color: var(--primary);
}

.news-card__read {
    font-weight: 600;
    color: var(--primary);
}

.news-card__read:hover {
    text-decoration: underline;
}

/* ===== HUD Live Panel ===== */
.live-section {
    background: var(--dark);
    position: relative;
    overflow: hidden;
    color: #fff;
}

.live-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 42px 42px;
    pointer-events: none;
}

.live-section::after {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    right: -160px;
    top: -160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(230, 57, 70, .22) 0%, transparent 70%);
    pointer-events: none;
}

.live-section .section__title {
    color: #fff;
}

.live-section .section__desc {
    color: rgba(255, 255, 255, .65);
}

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

.live-panel {
    position: relative;
    z-index: 2;
    background: rgba(16, 29, 51, .7);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--radius-lg);
    padding: 30px;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
}

.live-panel__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 22px;
}

.live-panel__title i {
    color: var(--accent);
}

.live-panel__title .pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 0 rgba(230, 57, 70, .6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(230, 57, 70, .6); }
    70% { box-shadow: 0 0 0 12px rgba(230, 57, 70, 0); }
    100% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0); }
}

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

.stat-card {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: var(--radius);
    padding: 22px 20px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, .09);
    transform: translateY(-3px);
}

.stat-card__icon {
    font-size: 20px;
    color: var(--accent);
    margin-bottom: 10px;
}

.stat-card__num {
    font-size: 36px;
    font-weight: 800;
    font-family: "SF Mono", "Roboto Mono", Consolas, monospace;
    color: #fff;
    line-height: 1.2;
    letter-spacing: 1px;
}

.stat-card__num em {
    font-style: normal;
    color: var(--primary);
}

.stat-card__label {
    font-size: 13px;
    color: rgba(255, 255, 255, .55);
    margin-top: 6px;
}

.match-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.match-row {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 14px;
    padding: 14px 16px;
    transition: var(--transition);
}

.match-row:hover {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(230, 57, 70, .4);
    transform: translateX(4px);
}

.match-row__time {
    font-family: "SF Mono", "Roboto Mono", Consolas, monospace;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    width: 52px;
    flex-shrink: 0;
}

.match-row__league {
    font-size: 12px;
    color: rgba(255, 255, 255, .5);
    background: rgba(255, 255, 255, .08);
    padding: 3px 10px;
    border-radius: 999px;
    flex-shrink: 0;
}

.match-row__info {
    flex: 1;
    font-size: 14px;
    color: rgba(255, 255, 255, .85);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.match-row__status {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    flex-shrink: 0;
}

.match-row__status--live {
    background: rgba(230, 57, 70, .25);
    color: #ff8a94;
    border: 1px solid rgba(230, 57, 70, .4);
}

.match-row__status--done {
    background: rgba(255, 255, 255, .1);
    color: rgba(255, 255, 255, .55);
    border: 1px solid rgba(255, 255, 255, .12);
}

.match-row__status--soon {
    background: rgba(244, 162, 97, .18);
    color: var(--accent);
    border: 1px solid rgba(244, 162, 97, .4);
}

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

.analysis-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 30px 26px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.analysis-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .45s ease;
}

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

.analysis-card:hover::before {
    transform: scaleX(1);
}

.analysis-card__num {
    font-size: 48px;
    font-weight: 800;
    font-family: "SF Mono", "Roboto Mono", Consolas, monospace;
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(230, 57, 70, .6);
    line-height: 1;
    margin-bottom: 18px;
}

.analysis-card__icon {
    position: absolute;
    top: 30px;
    right: 26px;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-050);
    color: var(--primary);
    border-radius: 14px;
    font-size: 20px;
}

.analysis-card__title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text);
    margin-bottom: 10px;
}

.analysis-card__desc {
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-muted);
    margin-bottom: 18px;
    flex: 1;
}

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

.analysis-card__link:hover {
    gap: 12px;
}

/* ===== FAQ ===== */
.faq-grid {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(230, 57, 70, .35);
    box-shadow: var(--shadow-sm);
}

.faq-item__q {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.faq-item__q i {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-050);
    color: var(--primary);
    border-radius: 9px;
    font-size: 14px;
}

.faq-item__a {
    margin-top: 12px;
    padding-left: 44px;
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background: var(--dark) center/cover no-repeat;
    color: #fff;
    overflow: hidden;
    padding: 0;
}

.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(11, 20, 36, .92), rgba(230, 57, 70, .45));
}

.cta-banner {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 110px 24px;
}

.cta-banner__tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(244, 162, 97, .5);
    background: rgba(244, 162, 97, .12);
    padding: 6px 20px;
    border-radius: 999px;
    margin-bottom: 22px;
}

.cta-banner__title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    max-width: 640px;
    margin: 0 auto;
}

.cta-banner__desc {
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .8);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 34px;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .7);
    padding: 70px 0 0;
    font-size: 14px;
    line-height: 1.9;
}

.footer__top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer__brand p {
    margin-top: 18px;
    max-width: 420px;
    color: rgba(255, 255, 255, .55);
    font-size: 14px;
    line-height: 1.9;
}

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

.footer__col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer__col a,
.footer__col span {
    color: rgba(255, 255, 255, .55);
    transition: var(--transition);
}

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

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 0;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, .4);
    font-size: 13px;
}

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

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

    .page-hero h1 {
        font-size: 34px;
    }

    .section__title {
        font-size: 27px;
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, .98);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 24px;
        box-shadow: 0 18px 40px rgba(11, 20, 36, .12);
        border-bottom: 1px solid var(--border);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .nav-link {
        padding: 14px 18px;
        font-size: 16px;
        border-radius: 12px;
    }

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

    .nav-link.active {
        background: var(--primary-050);
    }

    .nav-cta {
        display: none;
    }

    .section {
        padding: 64px 0;
    }

    .page-hero__inner {
        padding: 64px 20px 72px;
    }

    .page-hero h1 {
        font-size: 28px;
    }

    .page-hero__desc {
        font-size: 15px;
    }

    .page-hero__meta {
        gap: 12px;
    }

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

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

    .cta-banner {
        padding: 80px 20px;
    }

    .cta-banner__title {
        font-size: 28px;
    }

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

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

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

    .nav-inner {
        height: 64px;
    }

    .brand {
        font-size: 17px;
    }

    .brand i {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .page-hero__inner {
        padding: 48px 16px 56px;
    }

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

    .page-hero__desc {
        font-size: 14px;
    }

    .page-hero__meta-item {
        font-size: 12px;
        padding: 6px 12px;
    }

    .section {
        padding: 52px 0;
    }

    .section__title {
        font-size: 23px;
    }

    .section__desc {
        font-size: 14px;
    }

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

    .live-panel {
        padding: 20px;
    }

    .match-row {
        flex-wrap: wrap;
        gap: 8px;
    }

    .analysis-card {
        padding: 24px 20px;
    }

    .faq-item {
        padding: 20px;
    }

    .faq-item__a {
        padding-left: 0;
    }

    .cta-banner {
        padding: 64px 16px;
    }

    .cta-banner__title {
        font-size: 24px;
    }

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

/* roulang page: category2 */
:root {
  --primary: #d4a843;
  --primary-rgb: 212, 168, 67;
  --primary-dark: #b8892f;
  --ink: #10131a;
  --ink-soft: #1b202a;
  --paper: #f5f6f8;
  --white: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --muted: #6b7280;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
  --space: 96px;
  --font: -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;
}
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul {
  list-style: none;
}
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}
/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.brand i {
  color: var(--primary);
  font-size: 1.3rem;
}
.brand:hover {
  transform: translateY(-1px);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  position: relative;
  padding: 8px 2px;
  font-weight: 500;
  font-size: 1.02rem;
  color: var(--muted);
  transition: color 0.3s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  height: 2px;
  width: 0;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s;
}
.nav-link:hover {
  color: var(--ink);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--ink);
  font-weight: 600;
}
.nav-cta {
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 999px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  background: none;
  line-height: 1.2;
}
.btn--primary {
  background: var(--primary);
  color: var(--ink);
  border-color: var(--primary);
}
.btn--primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(var(--primary-rgb), 0.25);
}
.btn--sm {
  padding: 9px 20px;
  font-size: 0.93rem;
}
.btn--md {
  padding: 13px 30px;
  font-size: 1rem;
}
.btn--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}
.btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}
/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, #0b0e14 0%, #131a25 60%, #1c2434 100%);
  padding: 100px 0 88px;
  overflow: hidden;
  isolation: isolate;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: -1;
}
.page-hero__inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: center;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb i {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}
.page-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--primary-rgb), 0.16);
  border: 1px solid rgba(var(--primary-rgb), 0.35);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1.15;
  color: #fff;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}
.page-hero h1 span {
  color: var(--primary);
}
.page-hero__desc {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.08rem;
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 30px;
}
.page-hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-hud {
  background: rgba(15, 20, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.hero-hud__item {
  text-align: center;
  padding: 20px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.hero-hud__num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.hero-hud__label {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}
/* ===== Section common ===== */
.section {
  padding: 92px 0;
}
.section__head {
  max-width: 720px;
  margin-bottom: 52px;
}
.section__head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}
.section__eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.section__head--center .section__eyebrow::before {
  display: none;
}
.section__head--center .section__eyebrow {
  justify-content: center;
}
.section__title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 14px;
}
.section__sub {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.8;
}
/* ===== Category cards ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.35s, box-shadow 0.35s;
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.cat-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.cat-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.cat-card:hover .cat-card__media img {
  transform: scale(1.05);
}
.cat-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.35), transparent 60%);
}
.cat-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.8rem;
  padding: 5px 14px;
  border-radius: 999px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.cat-card__body {
  padding: 26px 24px 28px;
}
.cat-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.cat-card__desc {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.cat-card__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
.cat-card__meta i {
  color: var(--primary);
}
/* ===== Feature list ===== */
.feature-wrap {
  background: var(--ink-soft);
  padding: 92px 0;
  position: relative;
  overflow: hidden;
}
.feature-wrap::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.08), transparent 65%);
  pointer-events: none;
}
.feature-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.feature-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  position: relative;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
}
.feature-list {
  display: grid;
  gap: 20px;
}
.feature-item {
  display: flex;
  gap: 18px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: background 0.3s, transform 0.3s;
}
.feature-item:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateX(4px);
}
.feature-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.feature-item h3 {
  color: #fff;
  font-size: 1.08rem;
  margin-bottom: 6px;
}
.feature-item p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  line-height: 1.7;
}
/* ===== Guide cards ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.guide-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.35s;
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.guide-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}
.guide-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.guide-card:hover .guide-card__media img {
  transform: scale(1.04);
}
.guide-card__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--ink);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
}
.guide-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-card__title {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
  transition: color 0.3s;
}
.guide-card:hover .guide-card__title {
  color: var(--primary-dark);
}
.guide-card__desc {
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
}
.guide-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.86rem;
  color: var(--muted);
}
.guide-card__foot i {
  color: var(--primary);
}
/* ===== Path / steps ===== */
.path-section {
  background: linear-gradient(135deg, #0b0e14, #151b26);
  padding: 92px 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.path-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  z-index: -1;
}
.path-section .section__title {
  color: #fff;
}
.path-section .section__sub {
  color: rgba(255, 255, 255, 0.65);
}
.steps-list {
  position: relative;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.steps-list::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), 0.5), transparent);
}
.step-item {
  text-align: center;
  position: relative;
  padding: 0 12px;
}
.step-item__num {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(var(--primary-rgb), 0.14);
  border: 1px solid rgba(var(--primary-rgb), 0.35);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.35rem;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(6px);
}
.step-item h3 {
  color: #fff;
  font-size: 1.08rem;
  margin-bottom: 10px;
}
.step-item p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.9rem;
  line-height: 1.7;
}
/* ===== Data banner ===== */
.data-band {
  background: var(--white);
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.data-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.data-band__item {
  text-align: center;
  padding: 24px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.3s;
}
.data-band__item:hover {
  background: var(--paper);
}
.data-band__item i {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.data-band__num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink);
}
.data-band__label {
  font-size: 0.92rem;
  color: var(--muted);
  margin-top: 4px;
}
/* ===== FAQ ===== */
.faq-grid {
  max-width: 840px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 24px 28px;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.faq-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(var(--primary-rgb), 0.3);
}
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  font-size: 1.02rem;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--primary);
  font-size: 0.95rem;
  transition: transform 0.3s;
}
.faq-item[open] summary i {
  transform: rotate(180deg);
}
.faq-item__answer {
  padding: 16px 0 4px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin-top: 16px;
}
/* ===== CTA ===== */
.cta-section {
  padding: 80px 0 96px;
  background: var(--paper);
}
.cta-box {
  position: relative;
  background: linear-gradient(135deg, #0e1219, #192130);
  border-radius: 24px;
  padding: 60px 56px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  opacity: 0.14;
  z-index: -1;
}
.cta-box::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(var(--primary-rgb), 0.12);
  z-index: -1;
}
.cta-box h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 1rem;
}
.cta-box__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
/* ===== Footer ===== */
.site-footer {
  background: #0d1016;
  color: rgba(255, 255, 255, 0.6);
  padding: 72px 0 24px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer__brand p {
  margin-top: 18px;
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.55);
}
.brand--light {
  color: #fff;
}
.brand--light i {
  color: var(--primary);
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.footer__col a,
.footer__col span {
  font-size: 0.93rem;
  transition: color 0.3s;
}
.footer__col a:hover {
  color: var(--primary);
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  font-size: 0.88rem;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.4);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-media {
    aspect-ratio: 16 / 10;
  }
  .steps-list {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 36px;
  }
  .steps-list::before {
    display: none;
  }
  .data-band__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-hero__inner {
    grid-template-columns: 1fr;
  }
  .hero-hud {
    max-width: 480px;
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }
  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s;
    pointer-events: none;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    color: var(--ink);
  }
  .nav-link::after {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .page-hero {
    padding: 80px 0 64px;
  }
  .cat-grid {
    grid-template-columns: 1fr;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .feature-wrap,
  .path-section {
    padding: 72px 0;
  }
  .steps-list {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
  }
  .cta-box {
    padding: 44px 24px;
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .nav-inner {
    height: 64px;
  }
  .brand {
    font-size: 1.08rem;
  }
  .page-hero__actions .btn {
    width: 100%;
  }
  .data-band__grid {
    grid-template-columns: 1fr;
  }
  .hero-hud {
    padding: 18px;
    gap: 12px;
  }
  .hero-hud__num {
    font-size: 1.6rem;
  }
  .btn--md {
    padding: 12px 22px;
  }
}
@media (max-width: 360px) {
  .brand {
    font-size: 0.98rem;
  }
  .brand i {
    font-size: 1.1rem;
  }
  .nav-inner {
    gap: 12px;
  }
}