/* roulang page: index */
:root {
  --primary: #2FB5A0;
  --accent: #E9B84C;
  --accent-dark: #D99A2B;
  --dark-bg: #0A1B16;
  --dark-card: #122B24;
  --light-bg: #F7F4EE;
  --text-main: #1F2A26;
  --text-gray: #6B7A74;
  --success: #3DBE7A;
  --error: #E36049;
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-hover: 0 16px 32px rgba(0,0,0,0.18);
  --transition: 0.3s ease;
  --container: 1280px;
  --space: 96px;
  --space-mobile: 56px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--dark-bg);
  color: #e8efec;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,27,22,0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: 68px;
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #fff;
  white-space: nowrap;
}
.nav-logo .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #13241F;
  font-weight: 800;
  flex-shrink: 0;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  padding: 6px 2px;
  position: relative;
  transition: color 0.25s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--accent); }
.nav-link.active { color: #fff; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 50%; bottom: -4px;
  transform: translateX(-50%);
  width: 24px; height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 8px 14px;
  width: 220px;
  transition: all 0.3s;
}
.nav-search:focus-within {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233,184,76,0.15);
}
.nav-search input {
  background: none;
  border: none;
  color: #fff;
  font-size: 14px;
  width: 100%;
  outline: none;
}
.nav-search input::placeholder { color: rgba(255,255,255,0.4); }
.nav-search .search-icon { font-size: 14px; color: rgba(255,255,255,0.5); flex-shrink: 0; }
.nav-search .kbd {
  font-size: 11px;
  background: rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 2px 6px;
  color: rgba(255,255,255,0.5);
  flex-shrink: 0;
  font-family: inherit;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  padding: 14px 28px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
}
.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233,184,76,0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.nav-cta {
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-weight: 600;
  transition: all 0.3s;
}
.nav-cta:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(233,184,76,0.3);
}
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ===== Hero ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 24px 80px;
  background: var(--dark-bg);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(47,181,160,0.18) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(233,184,76,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  max-width: 1280px;
  width: 100%;
  position: relative;
  z-index: 2;
}
.hero-content {
  flex: 1;
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(47,181,160,0.15);
  border: 1px solid rgba(47,181,160,0.3);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  border-radius: 99px;
  padding: 6px 16px;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}
.hero-title .gradient {
  background: linear-gradient(135deg, var(--accent), #f6d489);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
}
.hero-phone {
  width: 440px;
  height: 680px;
  border-radius: 32px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
  overflow: hidden;
  flex-shrink: 0;
}
.hero-phone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at bottom, rgba(10,27,22,0.5) 0%, transparent 60%),
              linear-gradient(to top, rgba(10,27,22,0.4) 0%, transparent 50%);
}
.phone-badge-top {
  position: absolute;
  top: 20px; left: 20px;
  background: rgba(10,27,22,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 99px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}
.phone-badge-top .shield {
  font-size: 14px;
}
.phone-badge-bottom {
  position: absolute;
  bottom: 20px; right: 20px;
  background: rgba(10,27,22,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 99px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}
.phone-badge-bottom .live {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 1.5s infinite;
}
.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hero-action-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  transition: all 0.3s;
  cursor: pointer;
}
.hero-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 4px rgba(233,184,76,0.15);
  transform: translateY(-2px);
}

/* ===== Stats Bar ===== */
.stats {
  background: var(--dark-bg);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.stat-item {
  text-align: center;
}
.stat-num {
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

/* ===== Section common ===== */
.section {
  padding: var(--space) 0;
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(47,181,160,0.12);
  border: 1px solid rgba(47,181,160,0.2);
  border-radius: 99px;
  padding: 5px 14px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* ===== Hot Cards ===== */
.hot-cards {
  background: var(--dark-bg);
  padding: var(--space) 0;
}
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hot-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s;
  cursor: pointer;
}
.hot-card:hover {
  transform: translateY(-6px);
  border-color: rgba(233,184,76,0.3);
  box-shadow: var(--shadow-hover);
}
.hot-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #1a352d;
}
.hot-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.hot-card:hover .hot-cover img { transform: scale(1.05); }
.hot-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,27,22,0.4) 0%, transparent 60%);
}
.hot-duration {
  position: absolute;
  top: 14px; right: 14px;
  background: rgba(10,27,22,0.8);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 99px;
  padding: 4px 10px;
  z-index: 2;
}
.hot-heat {
  position: absolute;
  bottom: 14px; right: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-size: 12px;
  font-weight: 700;
  border-radius: 99px;
  padding: 4px 10px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4px;
}
.hot-body {
  padding: 20px 24px 24px;
}
.hot-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 54px;
}
.hot-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.hot-meta .cat {
  color: var(--primary);
  background: rgba(47,181,160,0.1);
  padding: 3px 10px;
  border-radius: 99px;
  font-weight: 600;
}
.hot-meta .views {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== Recommend / 种草 ===== */
.recommend {
  background: var(--dark-bg);
  padding: var(--space) 0;
}
.recommend-inner {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  align-items: start;
}
.recommend-left {
  position: sticky;
  top: 100px;
}
.recommend-left .section-title {
  font-size: 36px;
  margin-bottom: 20px;
}
.recommend-left p {
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.recommend-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.recommend-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 20px 24px;
  transition: all 0.3s;
}
.recommend-item:hover {
  background: rgba(18,43,36,0.9);
  border-color: rgba(233,184,76,0.2);
  transform: translateX(4px);
}
.recommend-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.7;
  flex-shrink: 0;
  width: 44px;
  text-align: center;
}
.recommend-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(47,181,160,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.recommend-info {
  flex: 1;
  min-width: 0;
}
.recommend-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.recommend-info p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.recommend-tags {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.tag {
  font-size: 12px;
  font-weight: 600;
  background: rgba(233,184,76,0.12);
  color: var(--accent);
  border-radius: 99px;
  padding: 4px 10px;
  border: 1px solid rgba(233,184,76,0.15);
  white-space: nowrap;
}
.recommend-fav {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.3s;
  flex-shrink: 0;
}
.recommend-fav:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(233,184,76,0.1);
}

/* ===== Reviews ===== */
.reviews {
  background: var(--light-bg);
  padding: var(--space) 0;
}
.reviews .section-title { color: var(--text-main); }
.reviews .section-sub { color: var(--text-gray); }
.reviews-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.1) transparent;
  -webkit-overflow-scrolling: touch;
}
.reviews-scroll::-webkit-scrollbar {
  height: 4px;
}
.reviews-scroll::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.12);
  border-radius: 2px;
}
.reviews-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.review-card {
  flex-shrink: 0;
  width: 280px;
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  transition: all 0.3s;
  border: 1px solid rgba(0,0,0,0.04);
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.1);
}
.review-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2FB5A0, #1a6b5e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}
.review-stars {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 1px;
  margin-top: 2px;
}
.review-text {
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.review-cert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(47,181,160,0.1);
  border-radius: 99px;
  padding: 4px 12px;
}

/* ===== News / CMS ===== */
.news {
  background: var(--dark-bg);
  padding: var(--space) 0;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 960px;
  margin: 0 auto;
}
.news-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 20px 24px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.news-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}
.news-card:hover {
  background: rgba(18,43,36,0.95);
  transform: translateY(-2px);
  border-color: rgba(233,184,76,0.2);
}
.news-card:hover::before { opacity: 1; }
.news-cat {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(233,184,76,0.1);
  border: 1px solid rgba(233,184,76,0.2);
  border-radius: 99px;
  padding: 4px 12px;
  white-space: nowrap;
}
.news-main {
  flex: 1;
  min-width: 0;
}
.news-title {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-summary {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.news-date {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
}
.news-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}
.news-empty {
  text-align: center;
  padding: 60px 40px;
  background: var(--dark-card);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 16px;
  color: rgba(255,255,255,0.5);
  font-size: 15px;
}

/* ===== FAQ ===== */
.faq {
  background: var(--dark-bg);
  padding: var(--space) 0;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: rgba(233,184,76,0.2);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  background: transparent;
  transition: background 0.3s;
  text-align: left;
}
.faq-question:hover {
  background: rgba(255,255,255,0.02);
}
.faq-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent);
  background: rgba(233,184,76,0.15);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer {
  max-height: 400px;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--dark-bg);
  padding: 0 24px var(--space);
}
.cta-box {
  position: relative;
  border-radius: 32px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  padding: 80px 40px;
  text-align: center;
  border: 1.5px solid rgba(233,184,76,0.3);
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,27,22,0.7);
  border-radius: 32px;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin: 0 auto;
}
.cta-title {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 32px;
}
.cta-inner .btn {
  font-size: 17px;
}

/* ===== Footer ===== */
.footer {
  background: #071712;
  padding: 80px 0 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 56px;
}
.footer-brand .nav-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  max-width: 280px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  padding: 6px 0;
  transition: color 0.25s;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-bottom a {
  color: rgba(255,255,255,0.35);
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .hero-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 40px;
  }
  .hero-content { max-width: 100%; }
  .hero-btns { justify-content: center; }
  .hero-phone {
    width: 380px;
    height: 580px;
  }
  .hero-actions {
    flex-direction: row;
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
  }
  .hero-action-btn {
    width: 44px;
    height: 44px;
    font-size: 16px;
    background: var(--dark-card);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hot-grid .hot-card:last-child {
    grid-column: 1 / -1;
  }
  .recommend-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .recommend-left {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .section-title {
    font-size: 32px;
  }
  .hero-title {
    font-size: 42px;
  }
}

@media (max-width: 767px) {
  .section { padding: var(--space-mobile) 0; }
  .container { padding: 0 16px; }
  .nav-menu {
    display: none;
  }
  .nav-search {
    display: none;
  }
  .nav-burger {
    display: flex;
  }
  .nav-cta {
    padding: 8px 16px;
    font-size: 13px;
  }
  .hero {
    padding: 100px 16px 40px;
    min-height: auto;
  }
  .hero-title {
    font-size: 36px;
    line-height: 1.2;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-phone {
    width: 92%;
    max-width: 380px;
    height: 520px;
  }
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 280px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .stat-num {
    font-size: 32px;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .hot-grid .hot-card:last-child {
    grid-column: auto;
  }
  .section-title {
    font-size: 26px;
  }
  .recommend-item {
    flex-wrap: wrap;
    gap: 12px;
  }
  .recommend-tags {
    order: 3;
    padding-left: 64px;
  }
  .recommend-fav {
    position: absolute;
    right: 16px;
    top: 16px;
  }
  .recommend-item {
    position: relative;
    padding-right: 60px;
  }
  .review-card {
    width: 240px;
  }
  .news-card {
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px;
  }
  .news-main {
    width: 100%;
    flex: 0 0 100%;
  }
  .news-meta {
    width: 100%;
    justify-content: space-between;
  }
  .news-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .news-summary {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px;
  }
  .faq-answer-inner {
    padding: 0 16px 16px;
  }
  .cta-box {
    padding: 48px 24px;
  }
  .cta-title {
    font-size: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #2FB5A0;
  --primary-dark: #0A1B16;
  --primary-card: #122B24;
  --primary-deeper: #071712;
  --accent: #E9B84C;
  --accent-dark: #D99A2B;
  --light-bg: #F7F4EE;
  --text-main: #1F2A26;
  --text-sub: #6B7A74;
  --white: #ffffff;
  --success: #3DBE7A;
  --danger: #E36049;
  --info: #2FB5A0;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lift: 0 16px 40px rgba(0,0,0,0.18);
  --transition: all 0.3s ease;
  --container-max: 1280px;
  --gap: 24px;
  --section-space: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--white);
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

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

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

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 27, 22, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 68px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--white);
  white-space: nowrap;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(233, 184, 76, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  padding: 8px 0;
  position: relative;
  white-space: nowrap;
}

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

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  width: 220px;
  transition: var(--transition);
}

.nav-search:focus-within {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233, 184, 76, 0.15);
}

.search-icon {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.nav-search input {
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 14px;
  width: 100%;
  outline: none;
}

.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.kbd {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 2px 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  white-space: nowrap;
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(233, 184, 76, 0.3);
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233, 184, 76, 0.4);
  filter: brightness(1.05);
}

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 18px;
  align-items: center;
  justify-content: center;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  padding: 140px 0 80px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 27, 22, 0.88) 0%, rgba(10, 27, 22, 0.75) 60%, rgba(10, 27, 22, 0.9) 100%);
}

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

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: 480px;
}

.hero-text {
  padding-right: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(47, 181, 160, 0.15);
  border: 1px solid rgba(47, 181, 160, 0.35);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px rgba(47, 181, 160, 0.6);
}

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(233, 184, 76, 0.35);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233, 184, 76, 0.45);
  filter: brightness(1.05);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-card {
  width: 380px;
  height: 460px;
  border-radius: 32px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 31, 26, 0.2) 0%, rgba(10, 31, 26, 0) 40%, rgba(10, 31, 26, 0.8) 100%);
}

.hero-card-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(10, 27, 22, 0.8);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(47, 181, 160, 0.4);
  z-index: 2;
}

.hero-card-badge::before {
  content: "✓";
  color: var(--primary);
  font-weight: 800;
}

.hero-card-online {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(10, 27, 22, 0.75);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 2;
}

.online-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px rgba(61, 190, 122, 0.6);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.online-count {
  font-weight: 700;
  color: var(--accent);
}

/* ===== Steps Section ===== */
.steps-section {
  background: var(--primary-dark);
  padding: var(--section-space) 0;
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 56px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.step-card {
  background: var(--primary-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(233, 184, 76, 0.4);
}

.step-number {
  font-size: 48px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 2px var(--accent);
  margin-bottom: 16px;
  line-height: 1;
}

.step-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.step-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
}

/* ===== Features Section ===== */
.features-section {
  background: var(--primary-dark);
  padding: 0 0 var(--section-space);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.feature-card {
  background: rgba(18, 43, 36, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--primary-card);
  transform: translateY(-4px);
  border-color: rgba(47, 181, 160, 0.4);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: rgba(47, 181, 160, 0.15);
  border: 1px solid rgba(47, 181, 160, 0.3);
}

.feature-card:nth-child(2) .feature-icon {
  background: rgba(233, 184, 76, 0.15);
  border-color: rgba(233, 184, 76, 0.3);
}

.feature-card:nth-child(3) .feature-icon {
  background: rgba(61, 190, 122, 0.15);
  border-color: rgba(61, 190, 122, 0.3);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
}

/* ===== Comparison / Safety Section ===== */
.safety-section {
  background: var(--light-bg);
  padding: var(--section-space) 0;
}

.safety-section .section-title {
  color: var(--text-main);
}

.safety-section .section-sub {
  color: var(--text-sub);
}

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

.compare-card {
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
}

.compare-card.good {
  background: var(--white);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-card);
}

.compare-card.bad {
  background: rgba(227, 96, 73, 0.06);
  border: 2px dashed rgba(227, 96, 73, 0.4);
}

.compare-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.compare-card.good h3 { color: var(--primary-dark); }
.compare-card.bad h3 { color: var(--danger); }

.compare-list {
  list-style: none;
  margin-top: 16px;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-main);
  position: relative;
}

.compare-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.compare-card.bad .compare-list li::before {
  content: "×";
  color: var(--danger);
}

/* ===== Scenarios Section ===== */
.scenarios-section {
  background: var(--primary-dark);
  padding: var(--section-space) 0;
}

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

.scenario-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--primary-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(233, 184, 76, 0.4);
}

.scenario-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.scenario-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(18, 43, 36, 0.6) 100%);
}

.scenario-body {
  padding: 28px;
}

.scenario-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(233, 184, 76, 0.1);
  border: 1px solid rgba(233, 184, 76, 0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.scenario-body h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.scenario-body p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

/* ===== Related Categories Section ===== */
.related-section {
  background: var(--primary-dark);
  padding: 0 0 var(--section-space);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.related-card {
  background: var(--primary-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: block;
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(233, 184, 76, 0.4);
}

.related-img {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.related-body {
  padding: 24px;
}

.related-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.related-body p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  margin-top: 16px;
  transition: var(--transition);
}

.related-card:hover .related-link {
  gap: 10px;
}

/* ===== FAQ Section ===== */
.faq-section {
  background: var(--primary-dark);
  padding: 0 0 var(--section-space);
}

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

.faq-item {
  background: var(--primary-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(47, 181, 160, 0.4);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  text-align: left;
  gap: 16px;
}

.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(47, 181, 160, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(233, 184, 76, 0.15);
  color: var(--accent);
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--light-bg);
  padding: var(--section-space) 0;
}

.cta-card {
  position: relative;
  border-radius: 32px;
  padding: 80px 48px;
  text-align: center;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 27, 22, 0.45);
  backdrop-filter: blur(2px);
}

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

.cta-card h2 {
  font-size: 40px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-card p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-badge {
  display: inline-block;
  background: rgba(47, 181, 160, 0.2);
  border: 1px solid rgba(47, 181, 160, 0.5);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-deeper);
  padding-top: 80px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h5 {
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  padding: 6px 0;
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  color: rgba(255, 255, 255, 0.35);
  font-size: 13px;
}

/* ===== Page Inner Layout ===== */
.page-main {
  padding-top: 68px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-menu {
    gap: 20px;
  }

  .nav-search {
    width: 160px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-text {
    padding-right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero h1 {
    font-size: 42px;
  }

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

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

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

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

@media (max-width: 768px) {
  :root {
    --section-space: 56px;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10, 27, 22, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: none;
    z-index: 999;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-search {
    display: none;
  }

  .nav-burger {
    display: flex;
  }

  .nav-cta {
    padding: 10px 16px;
    font-size: 14px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-card {
    width: 100%;
    max-width: 360px;
    height: 440px;
  }

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

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

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

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

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

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

  .cta-card {
    padding: 60px 24px;
  }

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

  .section-title {
    font-size: 28px;
  }
}

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

  .nav-logo {
    font-size: 16px;
  }

  .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }

  .nav-cta {
    display: none;
  }

  .nav-burger {
    display: flex;
  }

  .hero-card {
    height: 380px;
  }

  .hero-badge {
    font-size: 12px;
  }

  .step-card {
    padding: 28px 20px;
  }

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

  .scenario-body {
    padding: 20px;
  }

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

/* roulang page: article */
:root {
  --primary: #2FB5A0;
  --gold: #E9B84C;
  --gold-dark: #D99A2B;
  --dark-bg: #0A1B16;
  --dark-card: #122B24;
  --light-bg: #F7F4EE;
  --text-dark: #1F2A26;
  --text-gray: #6B7A74;
  --success: #3DBE7A;
  --error: #E36049;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-default: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.18);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--light-bg); color: var(--text-dark); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input { font-family: inherit; border: none; outline: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ==================== Header / Nav ==================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 27, 22, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #13241F;
  font-weight: 800;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(233,184,76,0.3);
  flex-shrink: 0;
}
.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-link {
  color: rgba(255,255,255,0.78);
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
  line-height: 72px;
  display: inline-block;
}
.nav-link:hover { color: var(--gold); }
.nav-link.active { color: #fff; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(233,184,76,0.6);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  width: 220px;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.nav-search:focus-within {
  background: rgba(255,255,255,0.12);
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(233,184,76,0.15);
}
.search-icon { font-size: 14px; opacity: 0.7; }
.nav-search input {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  width: 100%;
  flex: 1;
}
.nav-search input::placeholder { color: rgba(255,255,255,0.5); }
.kbd {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  white-space: nowrap;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #13241F;
  font-size: 15px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  transition: all 0.3s;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(233,184,76,0.25);
}
.nav-cta:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233,184,76,0.35);
}
.nav-cta:active { transform: translateY(0); }
.nav-burger {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  transition: border-color 0.3s;
}
.nav-burger:hover { border-color: var(--gold); }

/* ==================== Buttons ==================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #13241F;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(233,184,76,0.3);
  line-height: 1.4;
}
.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(233,184,76,0.4);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-primary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all 0.3s;
  cursor: pointer;
  line-height: 1.4;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); background: rgba(233,184,76,0.06); }
.btn-secondary:active { transform: scale(0.98); }
.btn-secondary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ==================== Article Page ==================== */
.article-page { background: var(--light-bg); }

/* Breadcrumb */
.article-breadcrumb {
  padding: 20px 0;
  background: var(--light-bg);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-size: 14px;
  color: var(--text-gray);
}
.article-breadcrumb a { color: var(--primary); transition: color 0.3s; }
.article-breadcrumb a:hover { color: var(--gold-dark); }
.article-breadcrumb .sep { margin: 0 10px; color: rgba(0,0,0,0.2); }
.article-breadcrumb .current { color: var(--text-gray); cursor: default; }

/* Article Header */
.article-header {
  background: var(--light-bg);
  padding: 56px 0 36px;
}
.article-header-inner { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.article-meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-bottom: 22px;
}
.badge-category {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #13241F;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 14px;
  box-shadow: 0 2px 8px rgba(233,184,76,0.3);
}
.meta-item {
  font-size: 13px;
  color: var(--text-gray);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.article-header h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--text-dark);
  margin: 0;
}

/* Article Body */
.article-body {
  background: var(--light-bg);
  padding: 0 0 40px;
}
.article-content {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow-default);
  margin-top: 8px;
}
.article-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 40px 0 16px;
  line-height: 1.4;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dark);
  margin: 32px 0 12px;
  line-height: 1.4;
}
.article-content p {
  font-size: 17px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 24px;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(47,181,160,0.15), rgba(233,184,76,0.15));
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(47,181,160,0.06);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
  color: var(--text-gray);
  font-size: 16px;
  position: relative;
}
.article-content blockquote::before {
  content: '“';
  position: absolute;
  top: 4px;
  left: 10px;
  font-size: 40px;
  color: var(--primary);
  opacity: 0.3;
}
.article-content ul,
.article-content ol {
  margin: 0 0 24px;
  padding-left: 24px;
}
.article-content ul li {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 8px;
  position: relative;
  padding-left: 4px;
}
.article-content ul li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-right: 10px;
  vertical-align: 4px;
}
.article-content ol li {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 8px;
  list-style: decimal;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  transition: color 0.3s;
}
.article-content a:hover { color: var(--gold-dark); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.article-content th,
.article-content td {
  border: 1px solid rgba(0,0,0,0.08);
  padding: 12px 16px;
  text-align: left;
  font-size: 15px;
}
.article-content th { background: var(--light-bg); font-weight: 600; }

/* Not Found */
.not-found {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  box-shadow: var(--shadow-default);
}
.not-found-icon {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.5;
}
.not-found h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}
.not-found .btn-primary { margin-top: 24px; }

/* Article Tags */
.article-tags {
  background: var(--light-bg);
  padding: 12px 0 60px;
}
.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.tags-heading {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tags-heading::before {
  content: '';
  width: 4px;
  height: 18px;
  background: var(--gold);
  border-radius: 2px;
}
.tag {
  display: inline-block;
  background: rgba(47,181,160,0.08);
  color: var(--primary);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 500;
  transition: all 0.3s;
  cursor: default;
}
.tag:hover { background: var(--primary); color: #fff; }

/* Related Posts */
.related-posts {
  background: var(--dark-bg);
  padding: 80px 0;
}
.related-posts .section-label {
  text-align: center;
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.related-posts .section-title {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 42px;
  letter-spacing: -0.3px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--dark-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(233,184,76,0.4);
}
.related-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--dark-card), var(--primary));
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.related-card:hover .related-cover img { transform: scale(1.05); }
.related-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.3), transparent 40%);
}
.related-info { padding: 20px 20px 22px; position: relative; }
.related-cat {
  font-size: 12px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 1px;
}
.related-info h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin: 8px 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Back Actions */
.back-actions {
  background: var(--dark-bg);
  padding: 0 0 80px;
  text-align: center;
}
.back-actions .btn-primary,
.back-actions .btn-secondary {
  margin: 8px 10px;
}

/* ==================== Footer ==================== */
.footer {
  background: #071712;
  color: rgba(255,255,255,0.65);
  padding-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 280px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col h5 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.3s;
  line-height: 1.6;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom span { white-space: nowrap; }

/* ==================== Responsive ==================== */
@media (max-width: 1023px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10,27,22,0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 16px 32px rgba(0,0,0,0.3);
    backdrop-filter: blur(16px);
  }
  .nav-menu.open { display: flex; }
  .nav-link {
    width: 100%;
    line-height: 44px;
    font-size: 17px;
    padding: 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .nav-link.active::after { bottom: 6px; left: auto; right: 8px; transform: none; }
  .nav-burger { display: inline-flex; align-items: center; justify-content: center; }
  .nav-search { display: none; }
  .nav-right { gap: 10px; }
  .nav-cta { padding: 8px 14px; font-size: 14px; }

  .related-grid { grid-template-columns: repeat(3, 1fr); }
  .article-header h1 { font-size: 38px; }
  .article-content { padding: 40px 32px; }
}

@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .container-narrow { padding: 0 16px; }
  .nav { padding: 0 16px; height: 64px; }
  .nav-menu { top: 64px; }
  .nav-logo { font-size: 17px; }
  .logo-icon { width: 28px; height: 28px; font-size: 14px; }
  .nav-cta { font-size: 13px; padding: 7px 12px; }

  .article-breadcrumb { padding: 14px 0; font-size: 12px; }
  .article-breadcrumb .sep { margin: 0 6px; }
  .article-header { padding: 36px 0 24px; }
  .article-header h1 { font-size: 30px; line-height: 1.3; }
  .article-meta-top { gap: 10px; margin-bottom: 16px; }
  .meta-item { font-size: 12px; }
  .badge-category { font-size: 12px; padding: 3px 10px; }

  .article-content { padding: 24px 20px; border-radius: var(--radius-md); }
  .article-content h2 { font-size: 24px; margin-top: 32px; }
  .article-content h3 { font-size: 20px; margin-top: 24px; }
  .article-content p { font-size: 16px; line-height: 1.8; margin-bottom: 20px; }
  .article-content ul li, .article-content ol li { font-size: 16px; }

  .article-tags { padding: 8px 0 40px; }
  .tags-list { gap: 8px; }
  .tag { font-size: 12px; padding: 5px 12px; }

  .related-posts { padding: 56px 0; }
  .related-posts .section-title { font-size: 26px; margin-bottom: 28px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }

  .back-actions { padding: 0 0 56px; }
  .back-actions .btn-primary,
  .back-actions .btn-secondary { display: flex; width: calc(100% - 32px); max-width: 360px; margin: 8px auto; justify-content: center; }

  .footer { padding-top: 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 12px; }
}

@media (max-width: 520px) {
  .nav-right .nav-cta { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  .article-header h1 { font-size: 27px; }
  .article-content { padding: 20px 16px; border-radius: var(--radius-sm); }
  .not-found { padding: 56px 24px; }
  .not-found h3 { font-size: 24px; }
}

/* roulang page: category2 */
:root {
  --brand: #2FB5A0;
  --brand-dark: #1E8A79;
  --gold: #E9B84C;
  --gold-dark: #D99A2B;
  --dark-bg: #0A1B16;
  --dark-card: #122B24;
  --light-bg: #F7F4EE;
  --text-dark: #1F2A26;
  --text-light: #EAF2EF;
  --text-muted: #6B7A74;
  --border-light: rgba(255,255,255,0.08);
  --border-muted: rgba(0,0,0,0.1);
  --success: #3DBE7A;
  --danger: #E36049;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-hover: 0 16px 36px rgba(0,0,0,0.18);
  --transition: all 0.3s ease;
  --container: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-light);
  background: var(--dark-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

/* ========== Header / Nav ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 68px;
  background: rgba(10, 27, 22, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}

.nav {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-light);
  white-space: nowrap;
}

.logo-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #13241F;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(233, 184, 76, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  padding: 6px 2px;
  white-space: nowrap;
  transition: color 0.25s ease;
}

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

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 4px;
  background: var(--gold);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 38px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}

.nav-search:focus-within {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(233, 184, 76, 0.15);
}

.nav-search .search-icon {
  font-size: 14px;
  opacity: 0.7;
  flex-shrink: 0;
}

.nav-search input {
  flex: 1;
  color: var(--text-light);
  font-size: 14px;
  background: transparent;
  min-width: 0;
}

.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.nav-search .kbd {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.nav-cta {
  height: 38px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #13241F;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(233, 184, 76, 0.25);
  transition: var(--transition);
}

.nav-cta:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(233, 184, 76, 0.35);
}

.nav-burger {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, rgba(10, 27, 22, 0.9) 0%, rgba(10, 27, 22, 0.75) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 181, 160, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(47, 181, 160, 0.12);
  border: 1px solid rgba(47, 181, 160, 0.35);
  color: #A8E6DA;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  margin-bottom: 20px;
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px rgba(61, 190, 122, 0.8);
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-light);
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  position: relative;
  background: linear-gradient(120deg, var(--gold) 0%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 30px;
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #13241F;
  box-shadow: 0 4px 16px rgba(233, 184, 76, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.07);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233, 184, 76, 0.35);
}

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

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.hero-stats .stat {
  display: flex;
  flex-direction: column;
}

.hero-stats .stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
}

.hero-stats .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-phone {
  position: relative;
  width: 360px;
  height: 520px;
  border-radius: 36px;
  background: linear-gradient(160deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.hero-phone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,27,22,0.75) 0%, rgba(10,27,22,0.05) 60%);
}

.hero-phone .phone-badge-top {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(10, 27, 22, 0.8);
  border: 1px solid rgba(47, 181, 160, 0.4);
  color: #A8E6DA;
  font-size: 13px;
  font-weight: 600;
  z-index: 2;
}

.hero-phone .phone-badge-bottom {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(10, 27, 22, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  z-index: 2;
}

.hero-phone .online-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.hero-phone .online-info .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.hero-phone .online-info span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

.hero-phone .online-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--gold);
}

.phone-sidebar {
  position: absolute;
  right: -48px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 3;
}

.phone-sidebar .side-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(10, 27, 22, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  transition: var(--transition);
}

.phone-sidebar .side-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: 0 0 0 4px rgba(233, 184, 76, 0.15);
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 54px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(47, 181, 160, 0.1);
  border: 1px solid rgba(47, 181, 160, 0.3);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section h2 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-light);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-text {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

/* Light section */
.section-light {
  background: var(--light-bg);
  color: var(--text-dark);
}

.section-light .section-tag {
  background: rgba(47, 181, 160, 0.08);
  border-color: rgba(47, 181, 160, 0.25);
  color: var(--brand);
}

.section-light .section h2,
.section-light h2 {
  color: var(--text-dark);
}

.section-light .section-text {
  color: var(--text-muted);
}

/* ========== Game Cards ========== */
.game-section {
  background: var(--dark-bg);
}

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

.game-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--dark-card);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(233, 184, 76, 0.4);
}

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

.game-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.game-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 43, 36, 0.9) 0%, transparent 65%);
}

.game-duration {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.7);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.game-hot {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #13241F;
  font-size: 12px;
  font-weight: 700;
  z-index: 2;
}

.game-info {
  padding: 20px;
}

.game-info h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
  line-height: 1.4;
}

.game-info p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 14px;
}

.game-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.game-meta .tag {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(47, 181, 160, 0.1);
  border: 1px solid rgba(47, 181, 160, 0.25);
  color: #9BE0D4;
  font-size: 12px;
}

.game-meta .meta-right {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

/* ========== Features ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(47, 181, 160, 0.12);
  color: var(--brand);
  font-size: 24px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

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

/* ========== Process ========== */
.process-section {
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(47, 181, 160, 0.6), rgba(233, 184, 76, 0.8), rgba(47, 181, 160, 0.6), transparent);
}

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

.process-step {
  position: relative;
  padding: 28px 20px;
  background: var(--dark-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
}

.process-step:hover {
  border-color: rgba(47, 181, 160, 0.4);
  transform: translateY(-4px);
}

.step-num {
  font-size: 34px;
  font-weight: 800;
  color: transparent;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}

.step-icon {
  font-size: 26px;
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

/* ========== Testimonials ========== */
.testimonials-section {
  background: var(--light-bg);
  color: var(--text-dark);
}

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

.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

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

.testimonial-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.testimonial-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.avatar-1 { background: linear-gradient(135deg, #2FB5A0, #1E8A79); }
.avatar-2 { background: linear-gradient(135deg, #E9B84C, #C98A1D); }
.avatar-3 { background: linear-gradient(135deg, #5B8DEF, #3A67C8); }

.testimonial-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
}

.testimonial-stars {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 2px;
  margin-top: 2px;
}

.testimonial-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dark);
  opacity: 0.78;
  margin-bottom: 16px;
}

.testimonial-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(47, 181, 160, 0.1);
  border: 1px solid rgba(47, 181, 160, 0.25);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
}

/* ========== Related Categories ========== */
.related-section {
  background: var(--dark-bg);
}

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

.related-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px;
  background: var(--dark-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.related-card:hover {
  border-color: rgba(233, 184, 76, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.related-icon {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(47, 181, 160, 0.15);
  font-size: 24px;
}

.related-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 4px;
}

.related-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.related-arrow {
  margin-left: auto;
  color: var(--gold);
  font-size: 22px;
  transition: transform 0.3s ease;
}

.related-card:hover .related-arrow {
  transform: translateX(4px);
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--dark-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item.open {
  border-color: rgba(47, 181, 160, 0.4);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-light);
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.03);
}

.faq-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(233, 184, 76, 0.2);
  color: var(--gold);
}

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

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  border-left: 3px solid rgba(47, 181, 160, 0.4);
  padding-left: 16px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 96px 0;
}

.cta-box {
  position: relative;
  border-radius: 32px;
  padding: 64px 48px;
  text-align: center;
  background: linear-gradient(135deg, rgba(10, 27, 22, 0.9), rgba(14, 36, 31, 0.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border: 1.5px solid transparent;
  background-clip: padding-box;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 32px;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--brand), var(--gold));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cta-box h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

/* ========== Footer ========== */
.footer {
  background: #071712;
  padding: 80px 0 0;
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.5);
  max-width: 320px;
  margin-top: 16px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  padding: 5px 0;
  transition: color 0.25s ease;
}

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

.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .nav-menu {
    gap: 18px;
  }
  
  .nav-search {
    width: 170px;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero h1 {
    font-size: 44px;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-phone {
    width: 300px;
    height: 440px;
  }
  
  .phone-sidebar {
    right: -36px;
  }
  
  .game-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header {
    height: 60px;
  }
  
  .nav {
    padding: 0 16px;
  }
  
  .nav-logo {
    font-size: 17px;
  }
  
  .nav-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 27, 22, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 6px;
    border-bottom: 1px solid var(--border-light);
    z-index: 999;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .nav-link.active::after {
    left: 0;
    transform: none;
    width: 24px;
  }
  
  .nav-search {
    display: none;
  }
  
  .nav-cta {
    height: 34px;
    padding: 0 14px;
    font-size: 13px;
  }
  
  .nav-burger {
    display: flex;
  }
  
  .hero {
    padding-top: 80px;
    min-height: auto;
  }
  
  .hero h1 {
    font-size: 34px;
    line-height: 1.3;
  }
  
  .hero-sub {
    font-size: 15px;
  }
  
  .hero-stats .stat-num {
    font-size: 20px;
  }
  
  .hero-phone {
    width: 260px;
    height: 400px;
    border-radius: 28px;
  }
  
  .phone-sidebar {
    right: -14px;
    gap: 8px;
  }
  
  .phone-sidebar .side-btn {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }
  
  .section {
    padding: 56px 0;
  }
  
  .section h2 {
    font-size: 28px;
  }
  
  .game-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
  
  .cta-box {
    padding: 40px 24px;
    border-radius: 24px;
  }
  
  .cta-box h2 {
    font-size: 28px;
  }
  
  .cta-box::before {
    border-radius: 24px;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 30px;
  }
  
  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-stats {
    gap: 16px;
  }
  
  .hero-stats .stat-num {
    font-size: 18px;
  }
  
  .hero-phone {
    width: 92%;
    max-width: 280px;
    height: 380px;
  }
  
  .phone-sidebar {
    display: none;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .game-card {
    border-radius: 18px;
  }
  
  .game-info {
    padding: 16px;
  }
  
  .feature-card,
  .testimonial-card {
    padding: 20px;
    border-radius: 18px;
  }
  
  .related-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
  }
  
  .related-arrow {
    margin-left: 0;
  }
}

/* roulang page: category3 */
:root {
  --primary: #2FB5A0;
  --primary-dark: #1E8A78;
  --accent: #E9B84C;
  --accent-dark: #D99A2B;
  --dark: #0A1B16;
  --dark-card: #122B24;
  --dark-card-hover: #18352C;
  --light: #F7F4EE;
  --text: #1F2A26;
  --muted: #6B7A74;
  --white: #FFFFFF;
  --border-08: rgba(255,255,255,0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--white);
  background: var(--dark);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
input {
  font-family: inherit;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
/* ====== 导航 ====== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,27,22,0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}
.nav-link {
  position: relative;
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  padding: 8px 0;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--accent);
}
.nav-link.active {
  color: var(--accent);
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 8px 14px;
  width: 220px;
  transition: all var(--transition);
}
.nav-search:focus-within {
  background: rgba(255,255,255,0.14);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233,184,76,0.15);
}
.search-icon {
  font-size: 14px;
  opacity: 0.7;
}
.nav-search input {
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 14px;
  width: 100%;
  outline: none;
}
.nav-search input::placeholder {
  color: rgba(255,255,255,0.4);
}
.kbd {
  background: rgba(255,255,255,0.12);
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  white-space: nowrap;
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  padding: 10px 20px;
  white-space: nowrap;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(233,184,76,0.25);
}
.nav-cta:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 8px 24px rgba(233,184,76,0.35);
}
.nav-burger {
  display: none;
  background: none;
  color: var(--white);
  font-size: 22px;
  line-height: 1;
  padding: 4px;
}
/* ====== Hero ====== */
.category-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(10,27,22,0.88) 0%, rgba(10,27,22,0.72) 50%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.category-hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.hero-content {
  flex: 1;
  max-width: 600px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(47,181,160,0.15);
  border: 1px solid rgba(47,181,160,0.4);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 20px;
}
.category-hero h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 20px;
}
.category-hero h1 .accent-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #13241F;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  padding: 14px 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(233,184,76,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 8px 24px rgba(233,184,76,0.35);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  padding: 14px 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
/* Hero 右侧口碑卡 */
.hero-card {
  width: 360px;
  flex-shrink: 0;
  background: rgba(18,43,36,0.9);
  border: 1px solid var(--border-08);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.35);
}
.hero-card-score {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-08);
}
.score-num {
  font-size: 56px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.score-label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
}
.score-stars {
  color: var(--accent);
  font-size: 18px;
  letter-spacing: 2px;
  margin-top: 8px;
}
.hero-card-list {
  padding: 20px 0 0;
}
.hero-card-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}
.hero-card-item .item-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(47,181,160,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.hero-card-item .item-text {
  flex: 1;
}
.hero-card-item .item-title {
  font-size: 14px;
  font-weight: 600;
}
.hero-card-item .item-desc {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
/* ====== 数据条 ====== */
.stats-bar {
  background: var(--dark);
  padding: 48px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
}
.stat-number {
  font-size: 38px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
}
/* ====== 口碑评价板块 ====== */
.section {
  padding: 96px 24px;
}
.section-dark {
  background: var(--dark);
}
.section-light {
  background: var(--light);
  color: var(--text);
  border-radius: 48px 48px 0 0;
}
.section-header {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  background: rgba(47,181,160,0.15);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}
/* 评价卡 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--dark-card);
  border: 1px solid var(--border-08);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.review-card:hover {
  transform: translateY(-6px);
  border-color: rgba(233,184,76,0.35);
  box-shadow: 0 16px 32px rgba(0,0,0,0.3);
}
.review-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
  overflow: hidden;
}
.review-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.review-name {
  font-size: 16px;
  font-weight: 600;
}
.review-stars {
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 1px;
}
.review-text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.8);
  margin-bottom: 16px;
}
.review-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.review-tag {
  background: rgba(47,181,160,0.12);
  color: var(--primary);
  font-size: 12px;
  border-radius: 999px;
  padding: 3px 12px;
}
.review-verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-size: 12px;
  margin-top: 12px;
}
/* ====== 口碑亮点 ====== */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.feature-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-media:hover img {
  transform: scale(1.03);
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.feature-item {
  display: flex;
  gap: 16px;
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(233,184,76,0.2), rgba(233,184,76,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.feature-item h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}
.feature-item p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}
/* ====== 相关分类 ====== */
.rel-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rel-card {
  background: var(--dark-card);
  border: 1px solid var(--border-08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.rel-card:hover {
  transform: translateY(-6px);
  border-color: rgba(233,184,76,0.35);
  box-shadow: 0 16px 32px rgba(0,0,0,0.3);
}
.rel-card.active-card {
  border-color: rgba(47,181,160,0.5);
  background: linear-gradient(135deg, rgba(47,181,160,0.08), rgba(47,181,160,0.02));
}
.rel-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(47,181,160,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}
.rel-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}
.rel-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 16px;
}
.rel-link {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}
.rel-link:hover {
  color: var(--accent-dark);
}
/* ====== FAQ ====== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--dark-card);
  border: 1px solid var(--border-08);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open {
  border-color: rgba(233,184,76,0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  transition: background var(--transition);
}
.faq-question:hover {
  background: rgba(255,255,255,0.03);
}
.faq-icon {
  font-size: 20px;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer p {
  padding: 0 24px 22px;
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}
/* ====== CTA ====== */
.cta-section {
  padding: 24px 24px 96px;
}
.cta-card {
  max-width: 1280px;
  margin: 0 auto;
  border-radius: 32px;
  border: 1.5px solid transparent;
  background: linear-gradient(135deg, rgba(10,27,22,0.92), rgba(10,27,22,0.85)) padding-box, linear-gradient(135deg, var(--accent), var(--primary)) border-box;
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.12;
  z-index: 0;
}
.cta-card .container {
  position: relative;
  z-index: 1;
}
.cta-card h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.cta-card p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ====== 页脚 ====== */
.footer {
  background: #071712;
  padding: 80px 0 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer .container {
  max-width: 1280px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-top: 16px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  padding: 5px 0;
  transition: color var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
/* ====== 响应式 ====== */
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  .nav-burger {
    display: block;
  }
  .nav-search {
    width: 40px;
    padding: 8px 10px;
  }
  .nav-search input, .nav-search .kbd {
    display: none;
  }
  .category-hero h1 {
    font-size: 42px;
  }
  .hero-card {
    width: 320px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .rel-categories {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}
@media (max-width: 768px) {
  .nav {
    height: 64px;
    padding: 0 16px;
  }
  .nav-cta {
    display: none;
  }
  .category-hero {
    min-height: auto;
    padding: 56px 0;
  }
  .category-hero .container {
    flex-direction: column;
    gap: 32px;
  }
  .category-hero h1 {
    font-size: 34px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .hero-card {
    width: 100%;
    max-width: 400px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn-primary, .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .section {
    padding: 56px 16px;
  }
  .section-title {
    font-size: 28px;
  }
  .section-desc {
    font-size: 15px;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-number {
    font-size: 30px;
  }
  .feature-media img {
    height: 280px;
  }
  .cta-section {
    padding: 16px 16px 56px;
  }
  .cta-card {
    padding: 48px 24px;
    border-radius: 24px;
  }
  .cta-card h2 {
    font-size: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }
  .faq-question {
    font-size: 16px;
    padding: 18px 20px;
  }
  .faq-answer p {
    padding: 0 20px 18px;
    font-size: 14px;
  }
}
@media (max-width: 520px) {
  .nav-menu {
    display: none;
  }
  .nav-search {
    display: none;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    padding: 24px 0;
  }
  .stat-number {
    font-size: 26px;
  }
  .category-hero h1 {
    font-size: 30px;
  }
  .hero-card {
    padding: 24px;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-actions .btn-primary, .cta-actions .btn-secondary {
    justify-content: center;
  }
}