/* roulang page: index */
:root {
  --ink: #101712;
  --ink-soft: #1C2A22;
  --accent: #C8FF3D;
  --paper: #F4F5F1;
  --white: #FFFFFF;
  --body: #24322B;
  --muted: #6C7C74;
  --line: #D8E0DA;
  --radius: 18px;
  --shadow: 0 1px 3px rgba(16,23,18,.06), 0 8px 24px rgba(16,23,18,.05);
  --shadow-hover: 0 4px 8px rgba(16,23,18,.08), 0 16px 40px rgba(16,23,18,.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--paper);
  color: var(--body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 768px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 245, 241, .9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.nav-left,
.nav-right {
  display: none;
  align-items: center;
  gap: 6px;
}

@media (min-width: 1024px) {
  .nav-left,
  .nav-right {
    display: flex;
  }
  .nav-wrap {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }
  .nav-right {
    justify-content: flex-end;
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.logo svg {
  width: 30px;
  height: 30px;
  display: block;
}

.nav-link {
  display: inline-block;
  position: relative;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 999px;
  transition: color .25s ease-out;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease-out;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

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

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 10px 11px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  margin: 3px 0;
  border-radius: 2px;
  transition: all .25s ease-out;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-panel {
  max-height: 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: var(--paper);
  transition: max-height .35s ease-out;
}

.mobile-panel.open {
  max-height: 560px;
}

.mobile-panel .mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 8px 24px;
}

.mobile-panel .mobile-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.mobile-panel .mobile-nav a:last-child {
  border-bottom: none;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 23, 18, .85), rgba(16, 23, 18, .35));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-title {
  margin: 0;
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--white);
}

.hero-sub {
  margin: 24px 0 0;
  max-width: 640px;
  font-size: 22px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .6);
  font-size: 13px;
  letter-spacing: .08em;
  z-index: 2;
}

.scroll-hint span {
  display: block;
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, .6);
  position: relative;
  overflow: hidden;
}

.scroll-hint span::after {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  width: 100%;
  height: 12px;
  background: var(--accent);
  animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { top: -12px; }
  60% { top: 36px; }
  100% { top: 36px; }
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform .25s ease-out, box-shadow .25s ease-out, filter .25s ease-out;
  box-shadow: 0 4px 16px rgba(200, 255, 61, .25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 8px 24px rgba(200, 255, 61, .35);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 31px;
  border-radius: 999px;
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease-out;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-2px);
}

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

.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease-out;
}

.btn-dark:hover {
  background: var(--ink-soft);
  transform: translateY(-2px);
}

/* ===== Section ===== */
.section {
  padding: 80px 0;
}

@media (min-width: 768px) {
  .section {
    padding: 112px 0;
  }
}

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

.section-head h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 420px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: color .25s ease-out;
}

.link-more:hover {
  color: var(--ink-soft);
}

/* ===== Story ===== */
.story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .story-grid {
    grid-template-columns: 1.1fr .9fr;
    gap: 64px;
  }
}

.story-copy .eyebrow {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(200, 255, 61, .18);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.eyebrow-accent {
  display: inline-block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
  margin-bottom: 16px;
}

.story-copy h2 {
  margin: 0 0 20px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

.story-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  max-width: 520px;
}

.story-metrics {
  display: flex;
  flex-direction: column;
  gap: 28px;
  justify-content: center;
}

.metric-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease-out, transform .25s ease-out;
}

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

.metric-num {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  min-width: 68px;
}

.metric-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.metric-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ===== Services ===== */
.service-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .service-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .service-steps {
    grid-template-columns: 1fr;
  }
}

.step-card {
  position: relative;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease-out, transform .25s ease-out;
}

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

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 14px;
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.step-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.service-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  background: var(--ink);
  border-radius: 24px;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .service-showcase {
    grid-template-columns: 1fr 1fr;
  }
}

.service-showcase .showcase-copy {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 1024px) {
  .service-showcase .showcase-copy {
    padding: 56px 48px;
  }
}

.service-showcase .showcase-copy h3 {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.service-showcase .showcase-copy p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .7);
}

.service-showcase .showcase-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-showcase .showcase-copy ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, .85);
}

.service-showcase .showcase-copy ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}

.service-showcase .showcase-media {
  min-height: 280px;
  background: url('/assets/images/coverpic/cover-5.webp') center center / cover no-repeat;
}

/* ===== News Cards ===== */
.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 1fr;
  }
}

.news-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease-out, transform .25s ease-out;
}

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

.news-card-feature {
  background: var(--white);
}

@media (min-width: 1024px) {
  .news-card-feature {
    grid-column: span 2;
  }
}

.news-cover {
  overflow: hidden;
  background: var(--ink-soft);
  aspect-ratio: 16 / 9;
  position: relative;
}

.news-card-feature .news-cover {
  min-height: 200px;
}

@media (min-width: 1024px) {
  .news-card-feature .news-cover {
    height: 100%;
    aspect-ratio: auto;
  }
}

.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease-out;
}

.news-card:hover .news-cover img {
  transform: scale(1.03);
}

.news-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  flex: 1;
}

.news-body h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.45;
}

.news-card-feature .news-body h3 {
  font-size: 24px;
}

.news-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-feature .news-body p {
  -webkit-line-clamp: 3;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.news-meta .read-link {
  color: var(--ink);
  font-weight: 600;
  transition: color .25s ease-out;
}

.news-meta .read-link:hover {
  color: var(--ink-soft);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px dashed var(--line);
}

.empty-state .empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.empty-state h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--ink);
}

.empty-state p {
  margin: 0 0 20px;
  font-size: 15px;
  color: var(--muted);
}

/* ===== Badges ===== */
.badge-cat {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(200, 255, 61, .18);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--ink);
  padding: 56px 0;
}

.trust-bar .section-head h2 {
  color: #fff;
}

.trust-bar .section-head p {
  color: rgba(255, 255, 255, .6);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.trust-list li {
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  padding: 12px 20px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  opacity: .7;
  transition: opacity .25s ease-out, border-color .25s ease-out;
}

.trust-list li:hover {
  opacity: 1;
  border-color: rgba(200, 255, 61, .5);
}

/* ===== CTA Form ===== */
.cta-section {
  position: relative;
  background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(16, 23, 18, .82);
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: #fff;
}

.cta-content p {
  margin: 0 0 32px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .75);
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 480px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .cta-form {
    flex-direction: row;
  }
}

.cta-form input {
  flex: 1;
  padding: 14px 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid rgba(255, 255, 255, .45);
  color: #fff;
  font-size: 16px;
  outline: none;
  transition: border-color .25s ease-out;
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, .5);
}

.cta-form input:focus {
  border-bottom-color: var(--accent);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 14px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid transparent;
  transition: box-shadow .25s ease-out;
}

.faq-item.active {
  box-shadow: var(--shadow-hover);
  border-color: rgba(200, 255, 61, .4);
}

.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.faq-q .faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.faq-q .faq-icon::before,
.faq-q .faq-icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s ease-out;
}

.faq-q .faq-icon::after {
  transform: rotate(90deg);
}

.faq-item.active .faq-q .faq-icon::after {
  transform: rotate(0deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height .35s ease-out, padding .35s ease-out;
}

.faq-item.active .faq-a {
  max-height: 320px;
  padding: 0 24px 22px;
}

.faq-a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: #fff;
  padding: 72px 0 0;
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

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

.footer-brand p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
  max-width: 260px;
}

.footer-col h4 {
  margin: 0 0 20px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.footer-col ul a {
  display: inline-block;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: color .25s ease-out;
}

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

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

.footer-contact li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .35);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .6);
  transition: all .25s ease-out;
}

.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* roulang page: category1 */
:root {
    --ink: #101712;
    --ink-soft: #1C2A22;
    --accent: #C8FF3D;
    --paper: #F4F5F1;
    --white: #FFFFFF;
    --body: #24322B;
    --muted: #6C7C74;
    --line: #D8E0DA;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 1px 3px rgba(16,23,18,.06), 0 8px 24px rgba(16,23,18,.05);
    --shadow-lg: 0 4px 8px rgba(16,23,18,.08), 0 16px 40px rgba(16,23,18,.12);
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font);
    background: var(--paper);
    color: var(--body);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

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

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

  ul, ol {
    list-style: none;
  }

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

  ::selection {
    background: rgba(200,255,61,.3);
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }

  @media (max-width: 768px) {
    .container {
      padding: 0 18px;
    }
  }

  /* ========== Header / Nav ========== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(244,245,241,.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    position: relative;
  }

  .nav-left,
  .nav-right {
    display: flex;
    align-items: center;
    gap: 34px;
  }

  .nav-link {
    font-size: 14px;
    letter-spacing: .12em;
    color: var(--muted);
    position: relative;
    padding: 8px 2px;
    transition: color .25s ease-out;
    white-space: nowrap;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width .25s ease-out;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--ink);
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .02em;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
  }

  .logo svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }

  .menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    cursor: pointer;
    z-index: 61;
    align-items: center;
  }

  .menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .25s ease-out, opacity .25s ease-out;
  }

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

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

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

  .mobile-panel {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--paper);
    z-index: 55;
    padding: 90px 32px 32px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease-out, visibility .25s ease-out;
  }

  .mobile-panel.open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav a {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: var(--body);
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    transition: color .2s;
  }

  .mobile-nav a:hover,
  .mobile-nav a.active {
    color: var(--accent);
  }

  @media (max-width: 768px) {
    .nav-left,
    .nav-right {
      display: none;
    }
    .menu-toggle {
      display: flex;
      margin-left: auto;
    }
    .logo {
      position: static;
      transform: none;
      margin-right: auto;
    }
    .mobile-panel {
      display: block;
    }
  }

  /* ========== Hero ========== */
  .page-hero {
    position: relative;
    min-height: 360px;
    display: flex;
    align-items: center;
    padding: 100px 0 80px;
    overflow: hidden;
    background: var(--ink);
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(135deg, rgba(16,23,18,.88), rgba(16,23,18,.48)),
      url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    z-index: 0;
  }

  .hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .hero-eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(200,255,61,.12);
    border: 1px solid rgba(200,255,61,.3);
    border-radius: 999px;
    padding: 6px 18px;
    margin-bottom: 24px;
  }

  .hero-content h1 {
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.02em;
    color: #fff;
    margin-bottom: 20px;
  }

  .hero-sub {
    font-size: 20px;
    line-height: 1.7;
    color: rgba(255,255,255,.82);
    max-width: 600px;
    margin: 0 auto 32px;
  }

  .hero-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 34px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .04em;
    transition: all .25s ease-out;
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1.4;
  }

  .btn-primary {
    background: var(--accent);
    color: var(--ink);
  }

  .btn-primary:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200,255,61,.18);
  }

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

  .btn-outline {
    border-color: rgba(255,255,255,.9);
    color: #fff;
    background: transparent;
  }

  .btn-outline:hover {
    background: rgba(255,255,255,.1);
    transform: translateY(-2px);
  }

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

  .btn-dark:hover {
    background: var(--ink-soft);
    transform: translateY(-2px);
  }

  /* ========== Section ========== */
  .section {
    padding: 80px 0;
  }

  .section-light {
    background: var(--paper);
  }

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

  @media (max-width: 768px) {
    .section {
      padding: 56px 0;
    }
  }

  /* ========== Page Layout ========== */
  .content-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 48px;
    padding: 56px 0 0;
    align-items: start;
  }

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

  .content-side {
    position: sticky;
    top: 100px;
  }

  @media (max-width: 1024px) {
    .content-layout {
      grid-template-columns: 1fr;
    }
    .content-side {
      position: static;
    }
  }

  .side-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
  }

  .side-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
  }

  .side-card ul li {
    margin-bottom: 10px;
  }

  .side-card ul li:last-child {
    margin-bottom: 0;
  }

  .side-card a {
    font-size: 14px;
    color: var(--muted);
    transition: color .2s, padding-left .2s;
    display: inline-block;
    line-height: 1.6;
  }

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

  /* ========== Content Blocks ========== */
  .prose-block {
    margin-bottom: 64px;
  }

  .prose-block:last-child {
    margin-bottom: 0;
  }

  .prose-block h2 {
    font-size: clamp(24px, 3.4vw, 32px);
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 20px;
    line-height: 1.35;
    position: relative;
    padding-left: 18px;
  }

  .prose-block h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    border-radius: 4px;
    background: var(--accent);
  }

  .prose-block h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
  }

  .prose-block p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--body);
    margin-bottom: 18px;
  }

  .prose-block img {
    border-radius: var(--radius-sm);
    margin: 28px 0;
    box-shadow: var(--shadow);
    width: 100%;
    object-fit: cover;
  }

  .badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 32px 0 0;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    background: rgba(200,255,61,.16);
    color: var(--ink-soft);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 999px;
    line-height: 1.4;
    border: 1px solid rgba(200,255,61,.28);
  }

  /* ========== Feature Grid ========== */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 28px;
  }

  .feature-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px;
    box-shadow: var(--shadow);
    transition: transform .25s ease-out, box-shadow .25s ease-out;
  }

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

  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(200,255,61,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
  }

  .feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--ink-soft);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--muted);
    margin-bottom: 0;
  }

  @media (max-width: 640px) {
    .feature-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ========== Scene Cards ========== */
  .scene-list {
    display: grid;
    gap: 18px;
    margin-top: 28px;
  }

  .scene-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform .25s ease-out, box-shadow .25s ease-out;
  }

  .scene-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
  }

  .scene-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    background: rgba(200,255,61,.18);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .scene-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 4px;
  }

  .scene-item p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ========== Steps ========== */
  .steps-list {
    position: relative;
    margin-top: 28px;
    padding-left: 0;
  }

  .steps-list::before {
    content: "";
    position: absolute;
    left: 22px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: var(--line);
  }

  .step-item {
    position: relative;
    padding: 0 0 36px 72px;
  }

  .step-item:last-child {
    padding-bottom: 0;
  }

  .step-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    border: 4px solid var(--paper);
    box-shadow: 0 0 0 2px rgba(200,255,61,.4);
  }

  .step-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 6px;
  }

  .step-item p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ========== Next Block ========== */
  .next-block {
    background: var(--ink);
    padding: 40px 0;
    text-align: center;
  }

  .next-block a {
    color: var(--accent);
    font-size: 18px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: gap .25s ease-out;
  }

  .next-block a:hover {
    gap: 16px;
  }

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

  .faq-list {
    max-width: 860px;
    margin: 40px auto 0;
  }

  .faq-item {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
    margin-bottom: 14px;
    overflow: hidden;
    transition: box-shadow .25s ease-out;
  }

  .faq-item.active {
    box-shadow: var(--shadow-lg);
    border-color: rgba(200,255,61,.45);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 20px 24px;
    cursor: pointer;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
    position: relative;
    transition: color .2s;
  }

  .faq-question:hover {
    color: var(--ink-soft);
  }

  .faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--paper);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform .3s ease-out, background .2s;
  }

  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 2px;
    background: var(--ink-soft);
    border-radius: 2px;
    transition: background .2s;
  }

  .faq-icon::after {
    transform: rotate(90deg);
  }

  .faq-item.active .faq-icon {
    transform: rotate(180deg);
    background: var(--accent);
  }

  .faq-icon {
    position: relative;
    background: var(--paper);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease-out;
  }

  .faq-item.active .faq-answer {
    max-height: 220px;
  }

  .faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.75;
    border-top: 1px solid var(--line);
    padding-top: 16px;
  }

  /* ========== CTA ========== */
  .cta-section {
    position: relative;
    background-image:
      linear-gradient(135deg, rgba(16,23,18,.88), rgba(16,23,18,.65)),
      url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    text-align: center;
  }

  .cta-inner {
    max-width: 680px;
    margin: 0 auto;
  }

  .cta-inner h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .cta-inner p {
    font-size: 16px;
    color: rgba(255,255,255,.8);
    line-height: 1.7;
    margin-bottom: 36px;
  }

  .cta-form {
    display: flex;
    gap: 12px;
    max-width: 520px;
    margin: 0 auto;
  }

  .cta-input {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255,255,255,.5);
    padding: 12px 4px;
    font-size: 16px;
    color: #fff;
    outline: none;
    transition: border-color .25s;
  }

  .cta-input::placeholder {
    color: rgba(255,255,255,.5);
  }

  .cta-input:focus {
    border-bottom-color: var(--accent);
  }

  @media (max-width: 640px) {
    .cta-form {
      flex-direction: column;
      gap: 20px;
    }
    .cta-form .btn {
      width: 100%;
    }
  }

  /* ========== Footer ========== */
  .site-footer {
    background: var(--ink);
    color: rgba(255,255,255,.82);
    padding: 72px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 44px;
    padding-bottom: 52px;
  }

  .footer-brand .logo {
    position: static;
    transform: none;
    color: #fff;
    margin-bottom: 18px;
    font-size: 18px;
  }

  .footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,.6);
    line-height: 1.7;
    max-width: 260px;
    margin-bottom: 0;
  }

  .footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .1em;
    color: #fff;
    margin-bottom: 20px;
  }

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

  .footer-col a {
    font-size: 14px;
    color: rgba(255,255,255,.6);
    transition: color .2s;
  }

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

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,.6);
    line-height: 1.5;
  }

  .footer-contact svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: rgba(255,255,255,.7);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    padding: 20px 0;
    text-align: center;
  }

  .footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,.4);
    letter-spacing: .04em;
  }

  @media (max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
  }

  @media (max-width: 640px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .footer-bottom p {
      font-size: 12px;
    }
  }

  /* ========== Fade Up ========== */
  .fade-up {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .5s ease-out, transform .5s ease-out;
  }

  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ========== Section Header ========== */
  .section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
  }

  .section-head h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 14px;
  }

  .section-head p {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.7;
  }

  @media (max-width: 640px) {
    .section-head {
      margin-bottom: 36px;
    }
  }

/* roulang page: article */
:root{
  --ink:#101712;
  --ink-soft:#1C2A22;
  --accent:#C8FF3D;
  --paper:#F4F5F1;
  --white:#FFFFFF;
  --body:#24322B;
  --muted:#6C7C74;
  --line:#D8E0DA;
  --warning:#F5A623;
  --radius-card:16px;
  --radius-img:12px;
  --shadow-card:0 1px 3px rgba(16,23,18,.06),0 8px 24px rgba(16,23,18,.05);
  --shadow-hover:0 4px 8px rgba(16,23,18,.08),0 16px 40px rgba(16,23,18,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--paper);
  color:var(--body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){
  .container{padding-left:40px;padding-right:40px}
}
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(244,245,241,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.nav-left,
.nav-right{
  display:flex;
  align-items:center;
  gap:32px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.logo svg{width:32px;height:32px;flex-shrink:0}
.logo span{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-link{
  font-size:14px;
  color:var(--muted);
  text-decoration:none;
  position:relative;
  transition:color .25s;
  letter-spacing:.08em;
  white-space:nowrap;
}
.nav-link::after{
  content:'';
  position:absolute;
  bottom:-4px;
  left:0;
  width:100%;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease-out;
}
.nav-link:hover,.nav-link.active{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{font-weight:600}
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  padding:8px;
  cursor:pointer;
}
.menu-toggle span{
  width:24px;
  height:2px;
  background:var(--ink);
  display:block;
  transition:all .25s;
}
.mobile-panel{
  display:none;
  background:var(--paper);
  border-top:1px solid var(--line);
  padding:8px 20px 20px;
}
.mobile-panel.open{display:block}
.mobile-nav{
  display:flex;
  flex-direction:column;
}
.mobile-nav a{
  font-size:20px;
  padding:14px 0;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid var(--line);
  transition:color .25s;
}
.mobile-nav a:last-child{border-bottom:none}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--ink);font-weight:600}
@media(max-width:767.98px){
  .nav-left,.nav-right{display:none}
  .menu-toggle{display:flex}
  .nav-wrap{justify-content:space-between}
}

/* ===== Breadcrumb ===== */
.breadcrumb-area{
  background:var(--ink-soft);
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  font-size:14px;
  color:rgba(255,255,255,.7);
}
.breadcrumb a{
  color:rgba(255,255,255,.85);
  text-decoration:none;
  transition:color .25s;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 10px;color:rgba(255,255,255,.4)}
.breadcrumb .current{color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}

/* ===== Article Page ===== */
.article-page{padding:56px 0 72px}
.article-inner{
  max-width:720px;
  margin:0 auto;
  padding:0 4px;
}
.article-header{
  text-align:center;
  margin-bottom:44px;
}
.article-header h1{
  font-size:clamp(28px,4vw,40px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-bottom:20px;
}
.article-meta{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px 24px;
  font-size:14px;
  color:var(--muted);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-item svg{width:15px;height:15px;opacity:.7}

/* ===== Article Body ===== */
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--body);
  background:var(--paper);
}
.article-body p{
  margin-bottom:1.5em;
  color:var(--body);
}
.article-body h2{
  font-size:24px;
  font-weight:700;
  margin:2em 0 1em;
  padding-left:14px;
  border-left:4px solid var(--accent);
  line-height:1.4;
  color:var(--ink);
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  margin:1.8em 0 .8em;
  color:var(--ink);
}
.article-body blockquote{
  background:var(--white);
  border-left:4px solid var(--accent);
  padding:20px 24px;
  border-radius:0 12px 12px 0;
  margin:2em 0;
  color:var(--muted);
  font-style:normal;
  box-shadow:var(--shadow-card);
}
.article-body img{
  border-radius:var(--radius-img);
  margin:2em 0;
  width:auto;
  max-width:100%;
}
.article-body ul,
.article-body ol{
  margin:1em 0 1.5em;
  padding-left:1.4em;
}
.article-body li{
  margin-bottom:.5em;
}
.article-body a{
  color:var(--ink-soft);
  text-decoration:underline;
  text-decoration-color:var(--accent);
  text-underline-offset:4px;
  transition:color .25s;
}
.article-body a:hover{color:var(--ink)}
.article-body figure{
  margin:2em 0;
}
.article-body figcaption{
  font-size:14px;
  color:var(--muted);
  text-align:center;
  margin-top:10px;
}

/* ===== Empty State ===== */
.article-empty{
  padding:80px 24px;
  text-align:center;
  background:var(--white);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.article-empty p{
  font-size:18px;
  color:var(--muted);
  margin-bottom:24px;
}
.empty-icon{
  width:56px;
  height:56px;
  margin:0 auto 16px;
  border-radius:50%;
  background:rgba(200,255,61,.2);
  display:flex;
  align-items:center;
  justify-content:center;
}
.empty-icon svg{
  width:26px;
  height:26px;
  stroke:var(--accent);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.12em;
  text-decoration:none;
  transition:all .25s ease-out;
  cursor:pointer;
  border:none;
}
.btn-primary{
  background:var(--accent);
  color:var(--ink);
}
.btn-primary:hover{
  background:#D4FF4E;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(200,255,61,.25);
}
.btn-primary:active{
  transform:translateY(0);
}
.btn-outline{
  border:2px solid rgba(255,255,255,.8);
  color:#fff;
  background:transparent;
}
.btn-outline:hover{
  background:rgba(255,255,255,.1);
}

/* ===== Article Footer / Tags ===== */
.article-tags{
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  display:inline-block;
  background:var(--white);
  color:var(--muted);
  font-size:13px;
  padding:6px 16px;
  border-radius:999px;
  text-decoration:none;
  transition:background .25s,color .25s;
  border:1px solid var(--line);
}
.tag:hover{
  background:var(--accent);
  color:var(--ink);
  border-color:var(--accent);
}

/* ===== Related Section ===== */
.related-wrap{
  background:var(--white);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
}
.related-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:36px;
}
.related-head h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.related-head .back-link{
  font-size:14px;
  color:var(--muted);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .25s;
}
.related-head .back-link:hover{color:var(--ink)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:block;
  background:var(--paper);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  text-decoration:none;
  transition:transform .25s ease-out,box-shadow .25s ease-out;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.related-img{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--ink-soft);
}
.related-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .25s ease-out;
}
.related-card:hover .related-img img{transform:scale(1.03)}
.related-content{
  padding:18px 20px 22px;
}
.badge{
  display:inline-block;
  background:rgba(200,255,61,.2);
  color:var(--ink-soft);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:10px;
}
.related-content h3{
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  line-height:1.4;
  margin-bottom:8px;
}
.related-content p{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.back-btn-wrap{
  margin-top:36px;
  text-align:center;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.85);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  margin-bottom:48px;
}
.footer-brand .logo span{
  color:#fff;
}
.footer-brand p{
  color:rgba(255,255,255,.6);
  font-size:14px;
  line-height:1.7;
  margin-top:16px;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.12em;
  margin-bottom:20px;
  color:#fff;
}
.footer-col ul{
  list-style:none;
}
.footer-col a{
  color:rgba(255,255,255,.7);
  font-size:14px;
  line-height:2.2;
  text-decoration:none;
  transition:color .25s;
}
.footer-col a:hover{
  color:var(--accent);
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.7);
  font-size:14px;
  line-height:2;
  word-break:break-all;
}
.footer-contact svg{
  width:16px;
  height:16px;
  flex-shrink:0;
  color:var(--accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .nav-left,.nav-right{gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .related-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .breadcrumb-area{padding:14px 0}
  .article-page{padding:40px 0 56px}
  .related-wrap{padding:48px 0}
  .related-grid{grid-template-columns:1fr}
  .related-head{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column}
  .footer-brand p{max-width:100%}
}

/* roulang page: category3 */
:root {
  --ink: #101712;
  --ink-soft: #1C2A22;
  --accent: #C8FF3D;
  --paper: #F4F5F1;
  --white: #FFFFFF;
  --body: #24322B;
  --muted: #6C7C74;
  --line: #D8E0DA;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 1px 3px rgba(16, 23, 18, .06), 0 8px 24px rgba(16, 23, 18, .05);
  --shadow-hover: 0 4px 8px rgba(16, 23, 18, .08), 0 16px 40px rgba(16, 23, 18, .12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--paper);
  color: var(--body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 245, 241, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  height: 72px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink) !important;
  flex-shrink: 0;
  letter-spacing: .01em;
}

.logo svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  letter-spacing: .02em;
  transition: color .25s ease-out;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s ease-out;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link:hover::after {
  width: 100%;
}

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

.nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 10px;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  z-index: 60;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s ease-out, opacity .25s ease-out;
}

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

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

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

.mobile-panel {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--paper);
  z-index: 55;
  padding: 96px 32px 32px;
  overflow-y: auto;
}

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

.mobile-nav {
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  font-size: 20px;
  color: var(--ink);
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

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

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--ink-soft);
  font-weight: 700;
}

@media (max-width: 768px) {
  .nav-left,
  .nav-right {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-wrap {
    justify-content: center;
  }
}

/* ===== Page Hero ===== */
.page-hero {
  min-height: 420px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 23, 18, .88), rgba(16, 23, 18, .45));
}

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

.page-hero .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: .08em;
  margin-bottom: 16px;
}

.page-hero .hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 720px;
}

.page-hero .hero-sub {
  color: rgba(255, 255, 255, .82);
  font-size: 18px;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 28px;
}

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

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background .25s ease-out, transform .25s ease-out, box-shadow .25s ease-out;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background: #d4ff5c;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 255, 61, .25);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, .8);
  cursor: pointer;
  transition: background .25s ease-out, transform .25s ease-out, border-color .25s ease-out;
  text-decoration: none;
  white-space: nowrap;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .1);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-ink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background .25s ease-out, transform .25s ease-out;
  text-decoration: none;
  white-space: nowrap;
}

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

/* ===== Main content grid ===== */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 56px;
  padding: 64px 0 72px;
}

@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.content-left {
  min-width: 0;
}

.content-left .lead {
  font-size: 18px;
  line-height: 1.9;
  color: var(--body);
  margin-bottom: 24px;
}

.content-left p {
  margin-bottom: 20px;
  color: var(--body);
}

.content-h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 48px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}

@media (min-width: 768px) {
  .content-h2 {
    font-size: 32px;
  }
}

.content-thumb {
  border-radius: 16px;
  overflow: hidden;
  margin: 24px 0 28px;
  box-shadow: var(--shadow-card);
}

.content-thumb img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .4s ease-out;
}

.content-thumb:hover img {
  transform: scale(1.03);
}

/* ===== Level cards ===== */
.level-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0 28px;
}

@media (max-width: 640px) {
  .level-grid {
    grid-template-columns: 1fr;
  }
}

.level-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  transition: transform .25s ease-out, box-shadow .25s ease-out;
  position: relative;
  overflow: hidden;
}

.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity .25s ease-out;
}

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

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

.level-tag {
  display: inline-block;
  background: rgba(200, 255, 61, .15);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: .04em;
}

.level-card h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.level-threshold {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}

.level-card ul {
  list-style: none;
}

.level-card ul li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 4px;
}

.level-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== Points list ===== */
.points-list {
  margin: 24px 0 28px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.point-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease-out;
}

.point-row:last-child {
  border-bottom: none;
}

.point-row:hover {
  background: rgba(200, 255, 61, .06);
}

.point-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--body);
}

.point-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.point-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-soft);
  flex-shrink: 0;
}

/* ===== Benefit list ===== */
.benefit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0 28px;
}

@media (max-width: 640px) {
  .benefit-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  transition: transform .25s ease-out, box-shadow .25s ease-out;
}

.benefit-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  background: var(--white);
}

.benefit-item h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.benefit-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* ===== Steps ===== */
.steps-wrap {
  margin: 24px 0 32px;
  position: relative;
}

.steps-wrap::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--line);
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  position: relative;
  margin-bottom: 28px;
}

.step-item:last-child {
  margin-bottom: 0;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-soft);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: border-color .25s ease-out, background .25s ease-out;
}

.step-item:hover .step-num {
  background: var(--accent);
  border-color: var(--accent);
}

.step-content {
  padding-top: 4px;
}

.step-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* ===== Sidebar ===== */
.sidebar {
  min-width: 0;
}

.side-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  margin-bottom: 24px;
}

.side-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.side-card ul {
  list-style: none;
}

.side-card ul li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  font-size: 14px;
  color: var(--muted);
  transition: color .25s ease-out, transform .25s ease-out;
  text-decoration: none;
}

.side-card ul li a::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  transition: background .25s ease-out;
}

.side-card ul li a:hover {
  color: var(--ink);
  transform: translateX(3px);
}

.side-card .related-item {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.side-card .related-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.side-card .related-item:hover {
  transform: translateX(3px);
}

.side-card .related-item .related-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  display: block;
  margin-bottom: 2px;
  transition: color .25s ease-out;
}

.side-card .related-item:hover .related-name {
  color: var(--ink-soft);
}

.side-card .related-item .related-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  display: block;
}

/* ===== FAQ ===== */
.faq-wrap {
  margin: 20px 0 12px;
}

.faq-item {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--line);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .25s ease-out, border-color .25s ease-out;
}

.faq-item.open {
  border-color: rgba(200, 255, 61, .5);
  box-shadow: var(--shadow-card);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  transition: color .25s ease-out;
}

.faq-question:hover {
  color: var(--ink-soft);
}

.faq-icon {
  font-size: 20px;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  transition: transform .25s ease-out;
}

.faq-item.open .faq-icon {
  transform: rotate(135deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease-out;
}

.faq-answer p {
  padding: 0 22px 18px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}

/* ===== CTA ===== */
.cta-band {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 80px 0;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(16, 23, 18, .85);
}

.cta-band .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-band p {
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

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

/* ===== Next link ===== */
.next-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 72px;
}

.next-link .next-label {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .04em;
  flex-shrink: 0;
}

.next-link a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: color .25s ease-out;
}

.next-link a:hover {
  color: var(--ink-soft);
}

.next-link a .arrow {
  color: var(--accent);
  font-size: 18px;
  transition: transform .25s ease-out;
}

.next-link a:hover .arrow {
  transform: translateX(4px);
}

.next-link a em {
  font-style: normal;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .75);
  padding: 64px 0 28px;
}

.site-footer .logo {
  color: #fff !important;
  margin-bottom: 16px;
}

.site-footer .logo svg {
  width: 28px;
  height: 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  line-height: 1.7;
  margin-top: 0;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  letter-spacing: .06em;
  margin-bottom: 16px;
}

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

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  text-decoration: none;
  transition: color .25s ease-out;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 10px;
}

.footer-contact li svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ===== Animation ===== */
.fade-up {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ===== Image placeholder ===== */
.img-placeholder {
  background: var(--ink-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 700;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
}

/* roulang page: category2 */
:root {
    --ink: #101712;
    --ink-soft: #1C2A22;
    --accent: #C8FF3D;
    --paper: #F4F5F1;
    --white: #FFFFFF;
    --body: #24322B;
    --muted: #6C7C74;
    --line: #D8E0DA;
    --shadow-card: 0 1px 3px rgba(16, 23, 18, .06), 0 8px 24px rgba(16, 23, 18, .05);
    --shadow-hover: 0 4px 8px rgba(16, 23, 18, .08), 0 16px 40px rgba(16, 23, 18, .12);
    --radius: 16px;
    --radius-lg: 24px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background: var(--paper);
    color: var(--body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  ul,
  ol {
    list-style: none;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 768px) {
    .container {
      padding-left: 32px;
      padding-right: 32px;
    }
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(244, 245, 241, .92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    gap: 16px;
    position: relative;
  }

  .nav-left,
  .nav-right {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-left {
    margin-right: 8px;
  }

  .nav-right {
    margin-left: 8px;
  }

  .nav-link {
    font-size: 14px;
    color: var(--muted);
    letter-spacing: .06em;
    padding: 8px 2px;
    position: relative;
    transition: color .25s ease-out;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease-out;
  }

  .nav-link:hover {
    color: var(--ink);
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    transform: scaleX(1);
  }

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

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .02em;
    white-space: nowrap;
  }

  .logo svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
  }

  .menu-toggle {
    display: none;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 60;
  }

  .menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .25s ease-out, opacity .25s ease-out;
  }

  .mobile-panel {
    display: none;
  }

  @media (max-width: 1024px) {
    .nav-left,
    .nav-right {
      gap: 16px;
    }
    .logo span {
      font-size: 16px;
    }
  }

  @media (max-width: 768px) {
    .nav-wrap {
      justify-content: flex-start;
      height: 64px;
    }
    .logo {
      margin-left: 12px;
    }
    .nav-left,
    .nav-right {
      display: none;
    }
    .menu-toggle {
      display: flex;
    }
    .mobile-panel.open {
      display: block;
      background: var(--paper);
      border-top: 1px solid var(--line);
      max-height: calc(100vh - 64px);
      overflow-y: auto;
    }
    .mobile-nav {
      padding: 8px 24px 24px;
    }
    .mobile-nav a {
      display: block;
      padding: 14px 0;
      font-size: 18px;
      color: var(--ink);
      border-bottom: 1px solid var(--line);
    }
    .mobile-nav a:last-child {
      border-bottom: none;
    }
    .mobile-nav a.active {
      font-weight: 600;
      color: var(--ink);
    }
  }

  /* ===== Buttons ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .08em;
    padding: 14px 28px;
    border-radius: 999px;
    transition: transform .25s ease-out, box-shadow .25s ease-out, filter .25s ease-out;
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow: 0 8px 24px rgba(200, 255, 61, .25);
  }

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

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 2px solid var(--white);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .08em;
    padding: 12px 26px;
    border-radius: 999px;
    transition: background .25s ease-out, transform .25s ease-out;
  }

  .btn-secondary:hover {
    background: rgba(255, 255, 255, .1);
    transform: translateY(-2px);
  }

  .btn-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--ink-soft);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 999px;
    transition: background .25s, transform .25s;
  }

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

  /* ===== Page Hero ===== */
  .page-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(16, 23, 18, .9), rgba(16, 23, 18, .55)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    padding: 96px 0 120px;
    color: #fff;
  }

  .page-hero .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
    margin-bottom: 24px;
  }

  .page-hero .breadcrumb a {
    color: rgba(255, 255, 255, .8);
    transition: color .25s;
  }

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

  .page-hero h1 {
    font-size: clamp(36px, 5.5vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 820px;
    margin-bottom: 20px;
  }

  .page-hero p {
    font-size: 20px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .82);
    max-width: 640px;
    margin-bottom: 36px;
  }

  /* ===== Stats Strip ===== */
  .stats-strip {
    margin-top: -48px;
    position: relative;
    z-index: 5;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 32px 24px;
  }

  .stat-item {
    text-align: center;
    padding: 8px 12px;
    border-right: 1px solid var(--line);
  }

  .stat-item:last-child {
    border-right: none;
  }

  .stat-item span {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
  }

  .stat-item p {
    font-size: 14px;
    color: var(--muted);
    margin-top: 6px;
  }

  @media (max-width: 768px) {
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 20px 0;
    }
    .stat-item:nth-child(2) {
      border-right: none;
    }
    .stat-item span {
      font-size: 32px;
    }
  }

  /* ===== Category Main Two Column ===== */
  .category-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .content-block {
    padding-bottom: 48px;
    margin-bottom: 48px;
    border-bottom: 1px solid var(--line);
  }

  .content-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }

  .content-block h2 {
    font-size: clamp(26px, 3.5vw, 34px);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
  }

  .content-block h2::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 24px;
    background: var(--accent);
    border-radius: 2px;
    margin-right: 12px;
    vertical-align: -3px;
  }

  .content-block p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--body);
    margin-bottom: 16px;
  }

  .content-block p:last-child {
    margin-bottom: 0;
  }

  .content-block .featured-image {
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 24px;
    box-shadow: var(--shadow-card);
  }

  .content-block .featured-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 8;
    object-fit: cover;
    transition: transform .5s ease-out;
  }

  .content-block .featured-image:hover img {
    transform: scale(1.02);
  }

  /* Sports grid */
  .sports-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 24px;
  }

  .sport-card {
    background: var(--paper);
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
    transition: transform .25s, box-shadow .25s, background .25s;
  }

  .sport-card:hover {
    transform: translateY(-4px);
    background: var(--white);
    box-shadow: var(--shadow-hover);
  }

  .sport-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 12px;
    background: var(--ink-soft);
    color: var(--accent);
    border-radius: 14px;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sport-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
  }

  .sport-card p {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
  }

  /* Schedule ticket cards */
  .schedule-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
  }

  .schedule-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
    transition: transform .25s, box-shadow .25s;
  }

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

  .schedule-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent);
  }

  .schedule-date {
    flex-shrink: 0;
    text-align: center;
    padding-right: 20px;
    border-right: 1px dashed var(--line);
    min-width: 76px;
  }

  .schedule-date .month {
    font-size: 28px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1;
  }

  .schedule-date .season {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
  }

  .schedule-info {
    flex: 1;
    min-width: 0;
  }

  .schedule-info h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 4px;
  }

  .schedule-info p {
    font-size: 14px;
    color: var(--muted);
  }

  .schedule-meta {
    font-size: 13px;
    color: var(--muted);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .schedule-status {
    flex-shrink: 0;
    text-align: right;
  }

  .badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
  }

  .badge-accent {
    background: rgba(200, 255, 61, .2);
    color: var(--ink-soft);
  }

  .badge-muted {
    background: var(--paper);
    color: var(--muted);
  }

  /* Steps */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 24px;
  }

  .step-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 28px 20px;
    position: relative;
  }

  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--ink-soft);
    color: var(--accent);
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 16px;
  }

  .step-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .step-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    margin: 0 !important;
  }

  /* City card */
  .city-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-top: 24px;
  }

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

  .city-card .city-info {
    padding: 32px;
  }

  .city-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
  }

  .city-card p {
    font-size: 15px;
    color: var(--muted);
    margin-bottom: 12px !important;
    line-height: 1.7;
  }

  .city-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .city-tags span {
    font-size: 12px;
    background: var(--paper);
    padding: 4px 12px;
    border-radius: 999px;
    color: var(--muted);
  }

  /* Side panel */
  .side-panel {
    position: relative;
  }

  .side-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 28px 24px;
    margin-bottom: 24px;
  }

  .side-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 16px;
  }

  .side-card ul li {
    border-bottom: 1px solid var(--line);
  }

  .side-card ul li:last-child {
    border-bottom: none;
  }

  .side-card ul a {
    display: block;
    padding: 11px 0;
    font-size: 14px;
    color: var(--muted);
    transition: color .25s, padding-left .25s;
  }

  .side-card ul a:hover {
    color: var(--ink);
    padding-left: 6px;
  }

  @media (min-width: 1024px) {
    .side-panel {
      position: sticky;
      top: 96px;
      align-self: start;
    }
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--paper);
    padding: 80px 0;
    border-top: 1px solid var(--line);
  }

  .faq-section h2 {
    font-size: clamp(26px, 3.5vw, 34px);
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
  }

  .faq-section .faq-sub {
    text-align: center;
    font-size: 15px;
    color: var(--muted);
    margin-bottom: 48px;
  }

  .faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .faq-item {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
  }

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    text-align: left;
    position: relative;
    transition: color .25s;
  }

  .faq-q::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent);
    opacity: 0;
    transition: opacity .25s;
  }

  .faq-item.open .faq-q::before {
    opacity: 1;
  }

  .faq-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--muted);
    transition: transform .25s, color .25s;
  }

  .faq-icon svg {
    width: 100%;
    height: 100%;
  }

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

  .faq-a {
    max-height: 0;
    overflow: hidden;
    padding: 0 24px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
    transition: max-height .3s ease-out, padding .3s ease-out;
  }

  .faq-item.open .faq-a {
    max-height: 400px;
    padding: 0 24px 24px;
  }

  /* ===== CTA ===== */
  .cta-section {
    position: relative;
    background: linear-gradient(135deg, rgba(16, 23, 18, .9), rgba(16, 23, 18, .6)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    padding: 100px 0;
    text-align: center;
    color: #fff;
  }

  .cta-inner h2 {
    font-size: clamp(30px, 4.5vw, 44px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
  }

  .cta-inner p {
    font-size: 18px;
    color: rgba(255, 255, 255, .8);
    max-width: 560px;
    margin: 0 auto 36px;
  }

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

  /* ===== Next Category ===== */
  .next-category {
    padding: 64px 0;
  }

  .next-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 32px 40px;
    transition: transform .25s, box-shadow .25s;
  }

  .next-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .next-link .label {
    font-size: 13px;
    color: var(--muted);
    display: block;
    letter-spacing: .08em;
    margin-bottom: 4px;
  }

  .next-link strong {
    font-size: 22px;
    color: var(--ink);
  }

  .next-arrow {
    color: var(--ink);
    transition: transform .25s;
  }

  .next-link:hover .next-arrow {
    transform: translateX(6px);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--ink);
    color: #fff;
    padding: 80px 0 0;
  }

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

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

  .footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    line-height: 1.8;
    max-width: 280px;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--white);
  }

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

  .footer-col ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    transition: color .25s, padding-left .25s;
  }

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

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    margin-bottom: 12px;
  }

  .footer-contact svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, .5);
  }

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

  /* ===== Animations ===== */
  .fade-in {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .6s ease-out, transform .6s ease-out;
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .category-main {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .side-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .side-card {
      margin-bottom: 0;
    }
    .sports-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .city-card {
      grid-template-columns: 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    .page-hero {
      padding: 72px 0 96px;
    }
    .page-hero p {
      font-size: 17px;
    }
    .stats-strip {
      margin-top: -32px;
    }
    .schedule-card {
      flex-wrap: wrap;
      gap: 16px;
    }
    .schedule-date {
      border-right: none;
      border-bottom: 1px dashed var(--line);
      padding-right: 0;
      padding-bottom: 12px;
      width: 100%;
      text-align: left;
      display: flex;
      align-items: baseline;
      gap: 12px;
    }
    .schedule-date .season {
      margin-top: 0;
    }
    .schedule-status {
      width: 100%;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .cta-section {
      padding: 72px 0;
    }
  }

  @media (max-width: 520px) {
    .sports-grid {
      grid-template-columns: 1fr;
    }
    .steps-grid {
      grid-template-columns: 1fr;
    }
    .side-panel {
      grid-template-columns: 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr;
    }
    .next-link {
      padding: 24px;
    }
    .cta-actions {
      flex-direction: column;
      align-items: center;
    }
    .cta-actions .btn-primary,
    .cta-actions .btn-secondary {
      width: 100%;
    }
  }

/* roulang page: category4 */
:root {
      --ink: #101712;
      --ink-soft: #1C2A22;
      --accent: #C8FF3D;
      --paper: #F4F5F1;
      --white: #FFFFFF;
      --body: #24322B;
      --muted: #6C7C74;
      --line: #D8E0DA;
      --radius: 16px;
      --shadow: 0 1px 3px rgba(16,23,18,.06), 0 8px 24px rgba(16,23,18,.05);
      --shadow-hover: 0 4px 8px rgba(16,23,18,.08), 0 16px 40px rgba(16,23,18,.12);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      color: var(--body);
      background: var(--paper);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    ul { list-style: none; }
    .container { max-width: 1280px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
    @media (min-width: 768px) { .container { padding-left: 32px; padding-right: 32px; } }
    section { scroll-margin-top: 96px; }

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(244, 245, 241, .92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }
    .nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; position: relative; }
    .logo { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: .01em; white-space: nowrap; }
    .logo svg { width: 30px; height: 30px; flex-shrink: 0; }
    .nav-left, .nav-right { display: none; align-items: center; gap: 30px; }
    .nav-link {
      position: relative;
      font-size: 14px;
      letter-spacing: .12em;
      color: var(--muted);
      padding: 8px 2px;
      transition: color .25s ease-out;
    }
    .nav-link::after {
      content: "";
      position: absolute;
      left: 0; bottom: 0;
      width: 0; height: 2px;
      background: var(--accent);
      transition: width .25s ease-out;
    }
    .nav-link:hover { color: var(--ink); }
    .nav-link:hover::after { width: 100%; }
    .nav-link.active { color: var(--ink); }
    .nav-link.active::after { width: 100%; }

    /* Mobile Menu */
    .menu-toggle {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 40px; height: 40px;
      background: none;
      border: 0;
      cursor: pointer;
      z-index: 61;
    }
    .menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); transition: transform .3s, opacity .3s; }
    .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.open span:nth-child(2) { opacity: 0; }
    .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-panel {
      position: fixed;
      inset: 0;
      background: var(--paper);
      z-index: 60;
      padding: 96px 28px 32px;
      transform: translateX(100%);
      transition: transform .35s ease-out;
      overflow-y: auto;
    }
    .mobile-panel.open { transform: translateX(0); }
    .mobile-nav { display: flex; flex-direction: column; }
    .mobile-nav a {
      font-size: 20px;
      padding: 16px 8px;
      border-bottom: 1px solid var(--line);
      color: var(--ink);
      font-weight: 500;
      transition: padding-left .25s;
    }
    .mobile-nav a:hover,
    .mobile-nav a.active { color: var(--ink); border-left: 3px solid var(--accent); padding-left: 14px; }
    @media (min-width: 1024px) {
      .nav-left { display: flex; }
      .nav-right { display: flex; }
      .menu-toggle { display: none; }
      .mobile-panel { display: none; }
    }

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative;
      background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      padding: 84px 0 72px;
      color: #fff;
      overflow: hidden;
    }
    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(16,23,18,.88), rgba(16,23,18,.45));
      z-index: 1;
    }
    .page-hero .container { position: relative; z-index: 2; }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      letter-spacing: .14em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 18px;
    }
    .hero-eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); display: inline-block; }
    .page-hero h1 {
      font-size: clamp(34px, 5vw, 52px);
      font-weight: 700;
      line-height: 1.22;
      letter-spacing: -.02em;
      max-width: 800px;
      color: #fff;
    }
    .page-hero .lead {
      max-width: 640px;
      font-size: 18px;
      line-height: 1.8;
      color: rgba(255,255,255,.82);
      margin-top: 16px;
    }

    /* ===== Two Column ===== */
    .main-wrap {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
      padding-top: 64px;
      padding-bottom: 64px;
    }
    @media (min-width: 1024px) {
      .main-wrap { grid-template-columns: 2fr 1fr; gap: 64px; }
    }
    .content-main { min-width: 0; }
    .content-side { display: flex; flex-direction: column; gap: 24px; }

    .content-block { margin-bottom: 56px; }
    .sec-label {
      font-size: 14px;
      letter-spacing: .12em;
      color: var(--ink-soft);
      font-weight: 600;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .sec-label::before { content: ""; width: 20px; height: 3px; background: var(--accent); border-radius: 99px; }
    .section-title-h2 {
      font-size: clamp(26px, 3vw, 34px);
      font-weight: 700;
      color: var(--ink);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -.01em;
    }
    .sec-desc { font-size: 16px; line-height: 1.8; color: var(--muted); margin-bottom: 24px; }

    /* ===== Feature Card ===== */
    .feature-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: box-shadow .25s ease, transform .25s ease;
      margin-bottom: 32px;
    }
    .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .img-zoom { overflow: hidden; border-radius: 0; }
    .img-zoom img { transition: transform .6s ease-out; width: 100%; height: 100%; object-fit: cover; }
    .img-zoom:hover img { transform: scale(1.03); }
    .badge {
      display: inline-block;
      background: rgba(200,255,61,.16);
      color: var(--ink-soft);
      font-size: 12px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 99px;
      letter-spacing: .06em;
    }

    /* ===== Direction Grid ===== */
    .dir-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
    @media (min-width: 640px) { .dir-grid { grid-template-columns: 1fr 1fr; } }
    .dir-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 28px;
      box-shadow: var(--shadow);
      transition: box-shadow .25s ease, transform .25s ease;
    }
    .dir-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .dir-icon {
      width: 44px; height: 44px;
      border-radius: 14px;
      background: rgba(200,255,61,.18);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--ink-soft);
    }
    .dir-icon svg { width: 22px; height: 22px; }
    .dir-card h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
    .dir-card p { font-size: 14px; line-height: 1.75; color: var(--muted); }

    /* ===== Timeline ===== */
    .timeline { position: relative; margin-top: 28px; }
    .timeline::before {
      content: "";
      position: absolute;
      left: 13px; top: 8px; bottom: 8px;
      width: 2px;
      background: var(--line);
    }
    .timeline li { position: relative; padding-left: 46px; padding-bottom: 32px; }
    .timeline li:last-child { padding-bottom: 0; }
    .timeline-dot {
      position: absolute;
      left: 0; top: 2px;
      width: 28px; height: 28px;
      border-radius: 50%;
      background: var(--ink);
      border: 5px solid var(--accent);
      z-index: 1;
    }
    .timeline li h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
    .timeline li p { font-size: 14px; color: var(--muted); line-height: 1.75; }

    /* ===== Benefit List ===== */
    .benefit-list { display: flex; flex-direction: column; gap: 14px; }
    .benefit-item {
      display: flex;
      gap: 18px;
      align-items: flex-start;
      background: var(--white);
      border-radius: 16px;
      padding: 22px 24px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transition: transform .25s ease, box-shadow .25s ease;
    }
    .benefit-item:hover { transform: translateX(6px); box-shadow: var(--shadow-hover); }
    .benefit-num {
      font-size: 30px;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
      flex-shrink: 0;
      min-width: 40px;
      -webkit-text-stroke: 0;
    }
    .benefit-item h3 { font-size: 18px; font-weight: 600; color: var(--ink); }
    .benefit-item p { font-size: 14px; color: var(--muted); margin-top: 4px; }

    /* ===== Side Card ===== */
    .side-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 28px;
      box-shadow: var(--shadow);
    }
    .side-card h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--ink);
      margin-bottom: 14px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }
    .side-card ul li { border-bottom: 1px solid #eef1ed; }
    .side-card ul li:last-child { border-bottom: 0; }
    .side-card a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 0;
      color: var(--muted);
      font-size: 14px;
      transition: color .25s, padding-left .25s;
    }
    .side-card a:hover { color: var(--ink); padding-left: 6px; }
    .side-num { color: var(--accent); font-weight: 700; font-size: 13px; min-width: 22px; }
    .side-arrow { margin-left: auto; color: var(--line); transition: color .25s, transform .25s; }
    .side-card a:hover .side-arrow { color: var(--accent); transform: translateX(4px); }

    /* ===== FAQ ===== */
    .faq-section { background: var(--paper); padding: 72px 0 24px; }
    .faq-header { text-align: center; margin-bottom: 40px; }
    .faq-header .sec-label { justify-content: center; }
    .faq-header .sec-label::after { content: ""; width: 20px; height: 3px; background: var(--accent); border-radius: 99px; }
    .faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: box-shadow .25s ease;
    }
    .faq-item.open { box-shadow: var(--shadow-hover); }
    .faq-q {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 20px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      border-left: 3px solid transparent;
      transition: border-color .3s;
    }
    .faq-item.open .faq-q { border-left-color: var(--accent); }
    .faq-icon { width: 24px; height: 24px; flex-shrink: 0; position: relative; }
    .faq-icon::before, .faq-icon::after {
      content: "";
      position: absolute;
      background: var(--ink-soft);
      transition: transform .3s ease, opacity .3s ease;
      border-radius: 2px;
    }
    .faq-icon::before { width: 14px; height: 2px; top: 11px; left: 5px; }
    .faq-icon::after { width: 2px; height: 14px; top: 5px; left: 11px; }
    .faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
    .faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease-out; padding: 0 24px; }
    .faq-item.open .faq-a { max-height: 360px; padding-bottom: 20px; }
    .faq-a p { font-size: 15px; color: var(--muted); line-height: 1.85; }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      background: var(--ink);
      color: #fff;
      padding: 88px 0;
      text-align: center;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      opacity: .16;
    }
    .cta-inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
    .cta-section h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; margin-bottom: 14px; color: #fff; }
    .cta-section p { color: rgba(255,255,255,.75); font-size: 16px; margin-bottom: 30px; }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 14px 30px;
      font-size: 14px;
      letter-spacing: .12em;
      font-weight: 600;
      cursor: pointer;
      transition: all .25s ease-out;
      border: 0;
      line-height: 1.2;
    }
    .btn-accent { background: var(--accent); color: var(--ink); }
    .btn-accent:hover { background: #d8ff58; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,255,61,.25); }
    .btn-accent:active { transform: translateY(0); }
    .btn-outline { border: 2px solid rgba(255,255,255,.9); color: #fff; background: transparent; }
    .btn-outline:hover { background: rgba(255,255,255,.1); transform: translateY(-2px); }
    .btn-outline:active { transform: translateY(0); }
    .btn-dark { background: var(--ink); color: #fff; }
    .btn-dark:hover { background: var(--ink-soft); transform: translateY(-2px); }

    /* ===== Next Link ===== */
    .next-section { padding: 48px 0 72px; }
    .next-link {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 22px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      box-shadow: var(--shadow);
      transition: box-shadow .25s, transform .25s;
    }
    .next-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .next-link .label { font-size: 13px; color: var(--muted); letter-spacing: .08em; }
    .next-link .name { font-size: 19px; font-weight: 600; color: var(--ink); margin-top: 2px; }
    .next-link .go { color: var(--accent); font-size: 26px; line-height: 1; transition: transform .25s; }
    .next-link:hover .go { transform: translateX(6px); }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--ink);
      color: rgba(255,255,255,.75);
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 40px;
      padding-bottom: 48px;
    }
    @media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; } }
    .footer-brand .logo { color: #fff; margin-bottom: 14px; }
    .footer-brand p { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,.55); max-width: 280px; }
    .footer-social { display: flex; gap: 14px; margin-top: 18px; }
    .footer-social a {
      width: 38px; height: 38px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.18);
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,.6);
      transition: all .25s ease;
    }
    .footer-social a:hover { border-color: var(--accent); color: var(--accent); }
    .footer-social svg { width: 18px; height: 18px; }
    .footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .25s; }
    .footer-col ul a:hover { color: var(--accent); }
    .footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.6); }
    .footer-contact li + li { margin-top: 10px; }
    .footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.1);
      padding: 22px 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }
    @media (min-width: 768px) { .footer-bottom { flex-direction: row; } }
    .footer-bottom p { font-size: 13px; color: rgba(255,255,255,.4); }

    /* ===== Reveal ===== */
    .fade-up { opacity: 0; transform: translateY(14px); transition: opacity .6s ease-out, transform .6s ease-out; }
    .fade-up.visible { opacity: 1; transform: translateY(0); }

    /* ===== Misc ===== */
    .text-muted { color: var(--muted); }
    .text-ink { color: var(--ink); }
    .bg-paper { background: var(--paper); }
    .bg-white { background: var(--white); }
    .rounded-card { border-radius: 20px; }
    .shadow-card { box-shadow: var(--shadow); }
    .mt-40 { margin-top: 40px; }
    .mb-40 { margin-bottom: 40px; }