/* roulang page: index */
:root {
  --bg-page: #F4F7FB;
  --bg-card: #FFFFFF;
  --bg-dark: #0E1B2A;
  --bg-deep: #0A1520;
  --brand-blue: #1D5B96;
  --brand-deep: #123B63;
  --brand-light: #E3EDF7;
  --neon: #00D9FF;
  --neon-hover: #00AEE8;
  --cta: #FF6B4A;
  --cta-hover: #E85535;
  --text-main: #1A2B3C;
  --text-sub: #5A6C7E;
  --border: #D9E2EC;
  --shadow: 0 8px 24px rgba(29,91,150,0.08);
  --shadow-hover: 0 16px 40px rgba(29,91,150,0.14);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --gap-section: 80px;
  --container-width: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input { font-family: inherit; }

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

/* ===== Header & Nav ===== */
.site-header {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 68px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon);
  font-size: 16px;
  box-shadow: 0 0 12px rgba(0,217,255,0.3);
}
.logo-text {
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
  white-space: nowrap;
}
.logo-accent { color: var(--neon); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.main-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 14.5px;
  font-weight: 500;
  padding: 26px 2px 24px;
  position: relative;
  transition: color .3s;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--neon); }
.main-nav a.active { color: #fff; }
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), rgba(0,217,255,0.1));
  box-shadow: 0 0 8px var(--neon);
}

.header-cta {
  background: var(--cta);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  transition: all .3s;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.header-cta:hover {
  background: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,107,74,0.3);
}
.header-cta:focus-visible,
.main-nav a:focus-visible,
.hamburger:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.hamburger {
  display: none;
  background: transparent;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10,21,32,0.97);
  backdrop-filter: blur(10px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: all .4s;
}
.mobile-drawer.open { opacity: 1; visibility: visible; }
.mobile-drawer a {
  color: #fff;
  font-size: 20px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  transition: all .3s;
}
.mobile-drawer a:hover { color: var(--neon); background: rgba(0,217,255,0.08); }
.mobile-drawer a.active { color: var(--neon); }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--bg-page);
  padding: 84px 0 64px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(29,91,150,0.09) 1px, transparent 1px);
  background-size: 26px 26px;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -160px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,217,255,0.1), transparent 70%);
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 57% 43%;
  gap: 48px;
  align-items: center;
}
.hero-content { max-width: 600px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-light);
  color: var(--brand-blue);
  padding: 6px 14px;
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(29,91,150,0.1);
}
.hero-badge i { color: var(--neon); font-size: 14px; }
.hero h1 {
  font-size: 42px;
  line-height: 1.22;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
.hero h1 .highlight {
  color: var(--brand-blue);
  background: linear-gradient(transparent 70%, rgba(0,217,255,0.25) 70%);
}
.hero-sub {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-sub);
  margin-bottom: 30px;
  max-width: 500px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  transition: all .3s;
  min-height: 44px;
}
.btn-primary {
  background: var(--brand-blue);
  color: #fff;
  box-shadow: 0 6px 16px rgba(29,91,150,0.2);
}
.btn-primary:hover {
  background: var(--brand-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(29,91,150,0.3);
}
.btn-highlight {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255,107,74,0.25);
}
.btn-highlight:hover {
  background: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255,107,74,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--brand-blue);
  border: 1.5px solid var(--brand-blue);
}
.btn-outline:hover {
  background: var(--brand-light);
  border-color: var(--brand-deep);
}

.hero-video {
  position: relative;
  max-width: 360px;
  margin-left: auto;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: #fff;
  transform: rotate(1deg);
}
.hero-video .video-cover {
  position: relative;
  aspect-ratio: 9/13.5;
  overflow: hidden;
}
.hero-video .video-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.hero-video:hover .video-cover img { transform: scale(1.03); }
.video-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--brand-blue);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-tag);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  border: 2px solid rgba(255,255,255,0.6);
  transition: all .3s;
}
.hero-video:hover .video-play {
  background: var(--cta);
  border-color: var(--cta);
  box-shadow: 0 0 20px rgba(255,107,74,0.4);
}
.video-info {
  padding: 16px 18px;
  background: #fff;
}
.video-info h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.video-info span {
  font-size: 12.5px;
  color: var(--text-sub);
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-main);
  font-weight: 500;
}
.trust-item i {
  color: var(--brand-blue);
  font-size: 16px;
}

/* ===== Section Common ===== */
.section {
  padding: var(--gap-section) 0;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}
.section-title-wrap { display: flex; align-items: center; gap: 14px; }
.section-title-bar {
  width: 4px;
  height: 28px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--neon), var(--brand-blue));
  box-shadow: 0 0 8px rgba(0,217,255,0.3);
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  letter-spacing: -0.3px;
}
.section-sub {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 4px;
}
.section-link {
  font-size: 13.5px;
  color: var(--brand-blue);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all .3s;
}
.section-link:hover { color: var(--neon-hover); gap: 8px; }

/* ===== Hot Cards ===== */
.hot-section { background: var(--bg-page); }
.hot-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--brand-blue) transparent;
}
.hot-scroll::-webkit-scrollbar { height: 6px; }
.hot-scroll::-webkit-scrollbar-track { background: var(--brand-light); border-radius: 10px; }
.hot-scroll::-webkit-scrollbar-thumb { background: var(--brand-blue); border-radius: 10px; }
.hot-card {
  flex: 0 0 230px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .35s;
  border: 1px solid transparent;
}
.hot-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,217,255,0.5);
}
.hot-card-cover {
  position: relative;
  aspect-ratio: 9/14;
  overflow: hidden;
}
.hot-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.hot-card:hover .hot-card-cover img { transform: scale(1.05); }
.hot-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.35));
}
.hot-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-tag);
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 2;
}
.hot-card-badge i { color: var(--neon); }
.hot-card-play {
  position: absolute;
  bottom: 12px;
  left: 12px;
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  border: 1px solid rgba(255,255,255,0.5);
  z-index: 2;
  transition: all .3s;
}
.hot-card:hover .hot-card-play {
  background: var(--cta);
  border-color: var(--cta);
}
.hot-card-info {
  padding: 14px 16px 16px;
}
.hot-card-info h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 6px;
}
.hot-card-info p {
  font-size: 12.5px;
  color: var(--text-sub);
  line-height: 1.5;
}

/* ===== Reco List ===== */
.reco-section { background: var(--bg-card); }
.reco-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.reco-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px;
  transition: all .35s;
}
.reco-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(29,91,150,0.3);
}
.reco-card-img {
  flex-shrink: 0;
  width: 120px;
  height: 100px;
  border-radius: 12px;
  overflow: hidden;
}
.reco-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.reco-card:hover .reco-card-img img { transform: scale(1.06); }
.reco-card-body { flex: 1; min-width: 0; }
.reco-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}
.reco-card-body p {
  font-size: 13.5px;
  color: var(--text-sub);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.reco-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-sub);
}
.reco-meta .stars { color: #FFB800; font-size: 12px; }
.reco-link {
  font-size: 13px;
  color: var(--brand-blue);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all .3s;
}
.reco-link:hover { color: var(--neon-hover); gap: 8px; }

/* ===== Testimonials ===== */
.testi-section {
  background: var(--brand-light);
  position: relative;
}
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testi-card {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: all .35s;
  border: 1px solid transparent;
}
.testi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,217,255,0.4);
}
.testi-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.testi-avatar {
  width: 44px;
  height: 44px;
  background: var(--brand-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}
.testi-name {
  font-size: 14.5px;
  font-weight: 600;
}
.testi-stars {
  color: #FFB800;
  font-size: 13px;
  margin-top: 2px;
}
.testi-card blockquote {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-sub);
  font-style: normal;
  border-left: 3px solid var(--neon);
  padding-left: 12px;
}

/* ===== Stats ===== */
.stats-section { background: var(--bg-card); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--bg-page);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  transition: all .35s;
}
.stat-card:hover {
  background: var(--brand-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.stat-number {
  font-size: 38px;
  font-weight: 800;
  color: var(--brand-blue);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-number em {
  font-style: normal;
  color: var(--neon-hover);
  font-size: 28px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 500;
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  padding: 72px 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10,21,32,0.92), rgba(18,59,99,0.82));
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-inner h2 .neon-text {
  color: var(--neon);
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 30px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-neon {
  background: transparent;
  border: 2px solid var(--neon);
  color: var(--neon);
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  transition: all .3s;
}
.btn-neon:hover {
  background: rgba(0,217,255,0.12);
  box-shadow: 0 0 24px rgba(0,217,255,0.3);
  transform: translateY(-2px);
}
.btn-white {
  background: #fff;
  color: var(--brand-deep);
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  transition: all .3s;
}
.btn-white:hover {
  background: var(--brand-light);
  transform: translateY(-2px);
}

/* ===== News / CMS Area ===== */
.news-section { background: var(--bg-page); }
.news-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
}
.news-list {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 8px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.news-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  transition: background .3s;
  border-radius: 8px;
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover { background: var(--bg-page); padding-left: 12px; }
.news-cat {
  background: var(--brand-light);
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  white-space: nowrap;
  flex-shrink: 0;
}
.news-main { flex: 1; min-width: 0; }
.news-main h3 {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-main p {
  font-size: 13px;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-date {
  font-size: 12.5px;
  color: var(--text-sub);
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 5px;
}
.news-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-sub);
  font-size: 15px;
}
.news-empty i {
  font-size: 40px;
  color: var(--border);
  margin-bottom: 12px;
  display: block;
}

.news-sidebar { display: flex; flex-direction: column; gap: 24px; }
.subscribe-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.subscribe-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.subscribe-card p {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 16px;
}
.subscribe-form input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 14px;
  margin-bottom: 10px;
  transition: all .3s;
  background: var(--bg-page);
}
.subscribe-form input:focus {
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(0,217,255,0.15);
  outline: none;
  background: #fff;
}
.subscribe-form button {
  width: 100%;
  padding: 12px;
  background: var(--brand-blue);
  color: #fff;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  transition: all .3s;
}
.subscribe-form button:hover {
  background: var(--brand-deep);
  box-shadow: 0 4px 14px rgba(29,91,150,0.3);
}
.tip-card {
  background: var(--brand-light);
  border-radius: var(--radius-card);
  padding: 20px;
  border: 1px solid rgba(29,91,150,0.1);
}
.tip-card h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--brand-blue);
}
.tip-card p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-section { background: var(--bg-card); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s;
}
.faq-item:hover { border-color: rgba(0,217,255,0.4); box-shadow: var(--shadow); }
.faq-item summary {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color .3s;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: auto;
  transition: transform .3s;
  color: var(--brand-blue);
  font-size: 13px;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item summary:hover { color: var(--brand-blue); }
.faq-item .faq-icon {
  width: 30px;
  height: 30px;
  background: var(--brand-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue);
  font-size: 13px;
  flex-shrink: 0;
}
.faq-item .faq-answer {
  padding: 0 22px 20px 64px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 2px solid var(--neon);
  color: rgba(255,255,255,0.75);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 24px 40px;
}
.footer-brand .logo-text {
  font-size: 20px;
  margin-bottom: 12px;
  display: block;
}
.footer-brand p {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--neon);
}
.footer-col a {
  display: block;
  font-size: 13.5px;
  color: rgba(255,255,255,0.65);
  padding: 4px 0;
  transition: all .3s;
}
.footer-col a:hover { color: var(--neon); padding-left: 4px; }
.footer-col p {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  padding: 4px 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-content { max-width: 100%; }
  .hero-video { margin: 0 auto; }
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { flex-direction: row; }
  .news-sidebar .subscribe-card,
  .news-sidebar .tip-card { flex: 1; }
  .footer-inner { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-col:last-child { grid-column: span 3; }
}

@media (max-width: 768px) {
  :root { --gap-section: 48px; }
  .main-nav { display: none; }
  .header-cta { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-video { max-width: 300px; }
  .reco-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .cta-inner h2 { font-size: 25px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .news-list-item { flex-wrap: wrap; padding: 14px 0; gap: 8px; }
  .news-main h3 { white-space: normal; }
  .news-main p { white-space: normal; }
  .news-date { width: 100%; }
  .news-sidebar { flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer-col:last-child { grid-column: span 1; }
  .footer-brand p { max-width: 100%; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .section-title { font-size: 22px; }
  .hot-scroll { gap: 14px; }
  .hot-card { flex-basis: 190px; }
  .reco-card { flex-direction: column; align-items: flex-start; }
  .reco-card-img { width: 100%; height: 160px; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-badge { font-size: 12px; }
  .hero h1 { font-size: 26px; }
  .hero-sub { font-size: 14px; }
}

/* roulang page: category1 */
:root {
  --bg: #F4F7FB;
  --surface: #FFFFFF;
  --brand: #1D5B96;
  --brand-dark: #123B63;
  --brand-light: #E3EDF7;
  --accent: #00D9FF;
  --accent-dark: #00AEE8;
  --cta: #FF6B4A;
  --cta-hover: #E85535;
  --text: #1A2B3C;
  --text-secondary: #5A6C7E;
  --border: #D9E2EC;
  --shadow: 0 8px 24px rgba(29,91,150,0.08);
  --shadow-hover: 0 16px 40px rgba(29,91,150,0.14);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --nav-bg: #0E1B2A;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: Inter, Arial, sans-serif;
  --container: 1180px;
  --header-h: 64px;
  --section-gap: 80px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

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

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(14, 27, 42, .92);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 2px solid rgba(0, 217, 255, .25);
  height: var(--header-h);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--brand));
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 14px rgba(0, 217, 255, .35);
}

.logo-accent {
  color: var(--accent);
}

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

.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  color: rgba(255, 255, 255, .85);
  font-size: 15px;
  border-radius: var(--radius-btn);
  position: relative;
  transition: color .25s;
}

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

.main-nav a.active {
  color: #fff;
  background: rgba(0, 217, 255, .08);
  box-shadow: inset 0 -2px 0 var(--accent), 0 0 12px rgba(0, 217, 255, .25);
}

.nav-cta {
  flex-shrink: 0;
  background: var(--cta);
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  border: none;
  transition: background .25s, box-shadow .25s, transform .2s;
  box-shadow: 0 4px 14px rgba(255, 107, 74, .3);
}

.nav-cta:hover {
  background: var(--cta-hover);
  box-shadow: 0 6px 22px rgba(255, 107, 74, .4);
  transform: translateY(-2px);
  color: #fff;
}

.nav-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: #fff;
  font-size: 22px;
  align-items: center;
  justify-content: center;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: var(--radius-btn);
  border: none;
  transition: background .25s, box-shadow .25s, transform .2s, border-color .25s, color .25s;
  min-height: 44px;
  line-height: 1.2;
}

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

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(29, 91, 150, .18);
}

.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(29, 91, 150, .25);
}

.btn-ghost {
  background: transparent;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}

.btn-ghost:hover {
  background: var(--brand-light);
  border-color: var(--brand-dark);
  color: var(--brand-dark);
  transform: translateY(-2px);
}

.btn-cta {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 107, 74, .3);
}

.btn-cta:hover {
  background: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 107, 74, .4);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
  min-height: 38px;
}

/* ---------- Badge / Tag ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  box-shadow: 0 4px 14px rgba(29, 91, 150, .2);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: var(--radius-tag);
  transition: background .2s, color .2s;
}

.tag:hover {
  background: var(--brand);
  color: #fff;
}

/* ---------- Section spacing ---------- */
.section {
  padding: var(--section-gap) 0;
}

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

.section-title-wrap {
  max-width: 680px;
}

.section-title {
  font-size: 30px;
  line-height: 1.3;
  color: var(--text);
  font-weight: 700;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--brand));
  box-shadow: 0 0 8px rgba(0, 217, 255, .4);
}

.section-sub {
  color: var(--text-secondary);
  font-size: 16px;
  margin-top: 10px;
  max-width: 600px;
}

/* ---------- Category Hero ---------- */
.cat-hero {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(29, 91, 150, .06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.cat-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 56px;
  position: relative;
  z-index: 1;
}

.cat-hero-content .badge {
  margin-bottom: 18px;
}

.cat-hero-content h1 {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.cat-hero-content h1 span {
  color: var(--brand);
  position: relative;
}

.cat-hero-content p {
  font-size: 16.5px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 520px;
}

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

.cat-hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.cat-hero-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.cat-hero-meta .meta-item i {
  color: var(--brand);
  font-size: 15px;
}

.cat-hero-media {
  position: relative;
}

.cat-hero-media .hero-card {
  background: var(--surface);
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  overflow: hidden;
  border: 1px solid var(--border);
  transform: rotate(1deg);
  transition: transform .35s;
}

.cat-hero-media .hero-card:hover {
  transform: rotate(0deg) translateY(-4px);
}

.cat-hero-media .hero-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.hero-card-body {
  padding: 20px 22px;
}

.hero-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

.hero-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
}

/* ---------- Entry Grid (2-col cards) ---------- */
.entry-grid {
  background: var(--bg);
  padding-bottom: var(--section-gap);
}

.entry-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.entry-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  display: flex;
  gap: 20px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 217, 255, .4);
}

.entry-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  background: var(--brand-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 24px;
  transition: background .25s, color .25s, box-shadow .25s;
}

.entry-card:hover .entry-icon {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(29, 91, 150, .25);
}

.entry-info h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.entry-info p {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.entry-info .tag {
  font-size: 12px;
}

/* ---------- Steps Timeline ---------- */
.steps-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-item {
  position: relative;
  padding: 24px 20px 20px;
  background: var(--bg);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(0, 217, 255, .4);
}

.step-num {
  counter-increment: step;
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--brand);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.step-num::before {
  content: "0" counter(step);
}

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

.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.step-line {
  position: absolute;
  top: 44px;
  right: -14px;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.step-line.hidden {
  display: none;
}

/* ---------- Reasons (text + image) ---------- */
.reasons-section {
  background: var(--bg);
}

.reasons-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 48px;
  align-items: center;
}

.reasons-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.reasons-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform .5s;
}

.reasons-media:hover img {
  transform: scale(1.03);
}

.reasons-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14, 27, 42, .35));
  pointer-events: none;
}

.reasons-content h2 {
  font-size: 30px;
  line-height: 1.3;
  margin-bottom: 16px;
  position: relative;
  padding-left: 16px;
}

.reasons-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--brand));
  box-shadow: 0 0 8px rgba(0, 217, 255, .4);
}

.reasons-content > p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 24px;
}

.reason-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.reason-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  transition: box-shadow .25s, border-color .25s;
}

.reason-list li:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0, 217, 255, .4);
}

.reason-list i {
  color: var(--brand);
  font-size: 20px;
  margin-top: 2px;
}

.reason-list strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.reason-list span {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ---------- Scenarios ---------- */
.scenarios-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.scenario-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.scenario-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.scenario-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(0, 217, 255, .4);
}

.scenario-num {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 800;
  color: var(--brand);
  opacity: .25;
  min-width: 44px;
  text-align: center;
}

.scenario-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--brand-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 20px;
}

.scenario-text h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.scenario-text p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

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

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

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

.faq-item:hover {
  border-color: rgba(0, 217, 255, .4);
  box-shadow: var(--shadow);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color .2s;
  position: relative;
}

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

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--brand);
  transition: transform .3s;
  flex-shrink: 0;
}

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

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

.faq-item .answer {
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  margin-top: 0;
  padding-top: 16px;
}

/* ---------- CTA Band ---------- */
.cta-band {
  position: relative;
  background: linear-gradient(rgba(14, 27, 42, .82), rgba(14, 27, 42, .88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 70px 0;
  text-align: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: 32px;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 12px;
}

.cta-inner p {
  color: rgba(255, 255, 255, .82);
  font-size: 16px;
  margin-bottom: 28px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--nav-bg);
  color: rgba(255, 255, 255, .75);
  border-top: 2px solid rgba(0, 217, 255, .25);
  padding-bottom: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-top: 50px;
  padding-bottom: 40px;
}

.footer-brand .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  line-height: 1.7;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 217, 255, .4);
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, .62);
  margin-bottom: 10px;
  transition: color .2s, padding-left .2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  text-align: center;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .header-inner {
    gap: 12px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--nav-bg);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 2px solid rgba(0, 217, 255, .25);
    box-shadow: 0 24px 40px rgba(14, 27, 42, .3);
  }

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

  .main-nav a {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
  }

  .main-nav a.active {
    box-shadow: inset 3px 0 0 var(--accent), 0 0 12px rgba(0, 217, 255, .18);
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-cta {
    display: none;
  }

  .cat-hero-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 0 48px;
  }

  .cat-hero-media .hero-card {
    max-width: 440px;
    margin: 0 auto;
    transform: none;
  }

  .cat-hero-media .hero-card:hover {
    transform: translateY(-4px);
  }

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

  .step-line {
    display: none;
  }

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

  .reasons-media img {
    height: 260px;
  }

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

  .section {
    --section-gap: 56px;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  .container,
  .header-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

  .entry-cards {
    grid-template-columns: 1fr;
  }

  .entry-card {
    flex-direction: row;
    padding: 20px;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-col h4 {
    margin-bottom: 12px;
  }

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

  .cta-inner h2 {
    font-size: 26px;
  }

  .section {
    --section-gap: 48px;
  }

  .cat-hero-meta {
    gap: 12px;
  }

  .cat-hero-meta .meta-item {
    font-size: 13px;
  }

  .reasons-content h2 {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .cat-hero-content h1 {
    font-size: 27px;
  }

  .cat-hero-media .hero-card img {
    height: 220px;
  }

  .footer-inner {
    padding-top: 36px;
    padding-bottom: 28px;
  }
}

/* roulang page: article */
:root {
  --bg: #F4F7FB;
  --surface: #FFFFFF;
  --primary: #1D5B96;
  --primary-dark: #123B63;
  --primary-light: #E3EDF7;
  --neon: #00D9FF;
  --neon-hover: #00AEE8;
  --cta: #FF6B4A;
  --cta-hover: #E85535;
  --text: #1A2B3C;
  --text-muted: #5A6C7E;
  --border: #D9E2EC;
  --shadow: 0 8px 24px rgba(29,91,150,0.08);
  --shadow-hover: 0 16px 40px rgba(29,91,150,0.14);
  --radius-card: 16px;
  --radius-btn: 8px;
  --nav-bg: #0E1B2A;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-en: Inter, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; border-radius: 4px; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 880px; }
body { padding-top: 64px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(14,27,42,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,217,255,0.15);
}
.header-inner { display: flex; align-items: center; height: 64px; gap: 32px; }
.brand-logo {
  display: flex; align-items: center; gap: 6px;
  font-size: 20px; font-weight: 700; color: #fff;
  letter-spacing: 0.5px; white-space: nowrap;
}
.logo-accent { color: var(--neon); }
.main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.main-nav a {
  position: relative;
  color: rgba(255,255,255,0.82);
  font-size: 15px; font-weight: 500;
  padding: 24px 2px 20px;
  transition: color 0.2s;
}
.main-nav a:hover { color: var(--neon); }
.main-nav a.active { color: #fff; }
.main-nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 12px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--neon), var(--neon-hover));
  box-shadow: 0 0 12px rgba(0,217,255,0.7);
}
.header-cta {
  margin-left: 8px;
  background: var(--cta); color: #fff;
  padding: 9px 18px; border-radius: var(--radius-btn);
  font-size: 14px; font-weight: 600;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  white-space: nowrap;
}
.header-cta:hover { background: var(--cta-hover); box-shadow: 0 6px 16px rgba(255,107,74,0.35); transform: translateY(-1px); }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; margin-left: auto; border-radius: 8px;
}
.nav-toggle span { display: block; height: 2px; width: 22px; background: #fff; border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 文章 Hero ===== */
.article-hero {
  background: linear-gradient(160deg, #E3EDF7 0%, #F4F7FB 72%);
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 13px; color: var(--text-muted); margin-bottom: 24px;
}
.breadcrumb a { color: var(--primary); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--neon-hover); }
.breadcrumb .sep { color: #A8B8C9; }
.article-hero h1 {
  font-size: 42px; line-height: 1.25; font-weight: 800;
  color: var(--primary-dark); margin-bottom: 20px; letter-spacing: 0.5px;
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  font-size: 14px; color: var(--text-muted); margin-bottom: 24px;
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item svg { flex-shrink: 0; }
.meta-category {
  background: var(--primary); color: #fff;
  padding: 4px 14px; border-radius: 999px; font-size: 13px;
}
.article-summary {
  background: var(--surface);
  border-left: 4px solid var(--primary);
  padding: 18px 24px;
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 15px; line-height: 1.8;
  box-shadow: var(--shadow);
}

/* ===== 正文区 ===== */
.article-section { padding: 56px 0 24px; }
.article-content-wrap { max-width: 760px; margin: 0 auto; }
.article-body { font-size: 17px; line-height: 1.8; color: var(--text); }
.article-body h2 {
  font-size: 26px; font-weight: 700; color: var(--primary-dark);
  padding-left: 16px; border-left: 4px solid var(--neon);
  margin: 40px 0 16px;
}
.article-body h3 {
  font-size: 19px; font-weight: 700; color: var(--primary-dark);
  margin: 32px 0 12px;
}
.article-body p { margin-bottom: 20px; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body img {
  width: 100%; height: auto;
  border-radius: 12px; box-shadow: var(--shadow);
  margin: 28px 0;
}
.article-body blockquote {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 18px 22px; border-radius: 8px;
  color: var(--text-muted); font-size: 16px;
  margin: 28px 0;
}
.article-body ul, .article-body ol { padding-left: 24px; margin: 20px 0; }
.article-body li { margin-bottom: 8px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 12px; }
.article-body th { background: var(--primary-light); font-weight: 600; }
.article-body code { background: var(--primary-light); padding: 2px 8px; border-radius: 4px; font-size: 14px; }
.article-body pre { background: var(--primary-dark); color: #fff; padding: 20px; border-radius: 12px; overflow-x: auto; }

/* ===== 空态 ===== */
.empty-card {
  background: var(--primary-light);
  border-radius: var(--radius-card);
  padding: 64px 24px; text-align: center;
}
.empty-icon { font-size: 48px; margin-bottom: 16px; display: block; }
.empty-card h2 { font-size: 22px; color: var(--primary-dark); margin-bottom: 10px; }
.empty-card p { color: var(--text-muted); margin-bottom: 24px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 30px; border-radius: var(--radius-btn);
  font-size: 15px; font-weight: 600; min-height: 44px;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(18,59,99,0.25); }
.btn-orange { background: var(--cta); color: #fff; }
.btn-orange:hover { background: var(--cta-hover); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,107,74,0.35); }
.btn-large { padding: 16px 42px; font-size: 17px; }

/* ===== 分页/返回 ===== */
.article-pager {
  max-width: 760px; margin: 24px auto 64px;
  display: flex; justify-content: space-between; gap: 16px;
}
.pager-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  background: var(--surface); font-size: 14px; color: var(--text);
  transition: all 0.2s;
}
.pager-link:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }

/* ===== 相关阅读 ===== */
.related-section { padding: 64px 0 72px; }
.section-title {
  font-size: 28px; font-weight: 800; color: var(--primary-dark);
  margin-bottom: 36px; position: relative; padding-left: 16px;
}
.section-title::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 4px; border-radius: 4px;
  background: var(--neon); box-shadow: 0 0 10px rgba(0,217,255,0.5);
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
  display: block;
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.related-card img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  background: var(--primary-light);
  transition: transform 0.35s;
}
.related-card:hover img { transform: scale(1.03); }
.related-info { padding: 20px 22px; }
.related-info h3 { font-size: 17px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.related-info p { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.related-meta { font-size: 13px; color: #8FA1B3; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 88px 0;
  background:
    linear-gradient(135deg, rgba(14,27,42,0.92), rgba(18,59,99,0.85)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  text-align: center; color: #fff;
}
.cta-section h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; letter-spacing: 0.5px; }
.cta-section p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 32px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--nav-bg);
  color: rgba(255,255,255,0.75);
  padding-top: 64px;
  border-top: 2px solid rgba(0,217,255,0.3);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo-text {
  font-size: 22px; font-weight: 700; color: #fff;
  margin-bottom: 16px; display: inline-block;
}
.footer-brand p {
  font-size: 14px; line-height: 1.8;
  color: rgba(255,255,255,0.7);
  max-width: 280px;
}
.footer-col h4 {
  color: #fff; font-size: 15px; font-weight: 600;
  margin-bottom: 18px; position: relative; padding-bottom: 10px;
}
.footer-col h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 28px; height: 2px; border-radius: 2px;
  background: var(--neon);
}
.footer-col a {
  display: block; color: rgba(255,255,255,0.65);
  font-size: 14px; margin-bottom: 12px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--neon); }
.footer-col p { font-size: 14px; margin-bottom: 10px; color: rgba(255,255,255,0.6); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0; text-align: center;
  font-size: 13px; color: rgba(255,255,255,0.45);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--nav-bg);
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 16px 24px 24px;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(0,217,255,0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 14px 8px; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 16px; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { color: var(--neon); }
  .nav-toggle { display: flex; margin-left: auto; }
  .header-cta { display: none; }
  .header-inner { gap: 16px; }
}
@media (max-width: 768px) {
  .article-hero h1 { font-size: 32px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .cta-section h2 { font-size: 26px; }
  .article-pager { flex-direction: column; align-items: stretch; }
  .pager-link { justify-content: center; }
  .article-section { padding: 40px 0 16px; }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .article-meta { gap: 10px; }
  .article-summary { padding: 16px; }
  .article-hero h1 { font-size: 28px; }
  .article-body { font-size: 16px; }
  .cta-section { padding: 64px 0; }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
  --bg: #F4F7FB;
  --surface: #FFFFFF;
  --primary: #1D5B96;
  --primary-dark: #123B63;
  --primary-light: #E3EDF7;
  --neon: #00D9FF;
  --neon-dark: #00AEE8;
  --cta: #FF6B4A;
  --cta-dark: #E85535;
  --text: #1A2B3C;
  --text-muted: #5A6C7E;
  --border: #D9E2EC;
  --shadow: 0 8px 24px rgba(29,91,150,0.08);
  --shadow-hover: 0 16px 40px rgba(29,91,150,0.14);
  --radius: 16px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --nav-bg: #0E1B2A;
  --nav-hover: #00D9FF;
  --font-sans: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num: Inter,Arial,sans-serif;
}
/* ===== 基础 Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
button{font-family:inherit;border:none;cursor:pointer;background:none}
input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:40px;gap:24px}
.section-title{font-size:clamp(26px,3vw,32px);line-height:1.3;font-weight:700;position:relative;padding-left:16px}
.section-title::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:99px;background:linear-gradient(180deg,var(--neon),var(--primary))}
.section-sub{color:var(--text-muted);font-size:15px;max-width:560px}
/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(14,27,42,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,217,255,.15);height:64px}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.logo{display:flex;align-items:center;gap:8px;flex-shrink:0}
.logo-text{font-size:20px;font-weight:700;color:#fff;letter-spacing:.5px;white-space:nowrap}
.logo-accent{color:var(--neon);font-weight:800}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;position:relative;padding:6px 2px;white-space:nowrap}
.main-nav a:hover{color:var(--nav-hover)}
.main-nav a::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:linear-gradient(90deg,var(--neon),var(--neon-dark));border-radius:2px;opacity:0;box-shadow:0 0 8px rgba(0,217,255,.6);transition:opacity .25s}
.main-nav a.active{color:var(--nav-hover)}
.main-nav a.active::after{opacity:1}
.nav-cta{background:var(--cta);color:#fff;font-size:14px;font-weight:600;padding:9px 20px;border-radius:var(--radius-btn);transition:all .25s;white-space:nowrap}
.nav-cta:hover{background:var(--cta-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,74,.35)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:22px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;background:var(--nav-bg);padding:20px 24px 28px;flex-direction:column;gap:12px;z-index:999;border-bottom:1px solid rgba(0,217,255,.2)}
.mobile-menu a{color:rgba(255,255,255,.9);font-size:16px;padding:12px 8px;border-radius:8px}
.mobile-menu a:hover{background:rgba(0,217,255,.1);color:var(--nav-hover)}
.mobile-menu a.active{color:var(--nav-hover);background:rgba(0,217,255,.08)}
/* ===== 分类 Hero ===== */
.category-hero{position:relative;padding:120px 0 72px;background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 60%,#fff 100%);overflow:hidden}
.category-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.12}
.category-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.category-hero-copy h1{font-size:clamp(32px,5vw,48px);line-height:1.2;font-weight:800;color:var(--primary-dark);margin-bottom:16px}
.category-hero-copy h1 span{color:var(--primary)}
.category-hero-copy p{font-size:17px;color:var(--text-muted);max-width:520px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(29,91,150,.1);color:var(--primary);font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius-pill)}
.badge i{font-style:normal;color:var(--neon-dark)}
.category-hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover);height:340px}
.category-hero-media img{width:100%;height:100%;object-fit:cover}
.category-hero-media::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,27,42,.5),transparent 50%)}
.hero-media-tag{position:absolute;bottom:20px;left:20px;z-index:2;display:inline-flex;align-items:center;gap:6px;background:rgba(14,27,42,.75);color:#fff;font-size:13px;padding:8px 16px;border-radius:var(--radius-pill);backdrop-filter:blur(6px)}
.hero-media-tag::before{content:'●';color:var(--neon);font-size:10px}
/* ===== 口碑概览数据 ===== */
.stats-strip{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:-40px;position:relative;z-index:5;padding:28px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:8px}
.stat-item .num{font-family:var(--font-num);font-size:32px;font-weight:800;color:var(--primary)}
.stat-item .num em{font-style:normal;color:var(--neon-dark)}
.stat-item .label{font-size:14px;color:var(--text-muted);margin-top:4px}
/* ===== 评测主体布局：单列长文 + 右侧锚点 ===== */
.reviews-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.reviews-main{display:flex;flex-direction:column;gap:36px}
.review-card{display:flex;gap:24px;background:var(--surface);border-radius:var(--radius);padding:28px;border:1px solid var(--border);box-shadow:var(--shadow);transition:box-shadow .3s,transform .3s;scroll-margin-top:100px}
.review-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.review-img{flex-shrink:0;width:220px;height:160px;border-radius:12px;overflow:hidden;position:relative}
.review-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.review-card:hover .review-img img{transform:scale(1.05)}
.review-body{flex:1}
.review-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:10px}
.review-body h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:8px;color:var(--text)}
.review-body p{font-size:14.5px;color:var(--text-muted);line-height:1.7;margin-bottom:12px}
.review-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}
.review-meta .stars{color:#FFB400;letter-spacing:2px}
.review-meta .score{font-family:var(--font-num);font-weight:700;color:var(--primary)}
/* 右侧锚点卡片 */
.review-aside{position:sticky;top:90px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.review-aside h4{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--primary-dark);padding-left:12px;position:relative}
.review-aside h4::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:99px;background:var(--neon)}
.anchor-list{display:flex;flex-direction:column;gap:6px}
.anchor-list a{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-muted);padding:9px 12px;border-radius:8px;transition:all .25s}
.anchor-list a::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--border);flex-shrink:0;transition:background .25s}
.anchor-list a:hover{color:var(--primary);background:var(--primary-light)}
.anchor-list a:hover::before{background:var(--neon)}
.aside-note{margin-top:20px;padding:16px;background:var(--primary-light);border-radius:12px;font-size:13px;color:var(--primary-dark);line-height:1.6}
.aside-note strong{color:var(--primary)}
/* ===== 评分对比区块 ===== */
.compare-section{background:var(--primary-light);padding:80px 0}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.compare-card{background:var(--surface);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);text-align:center;border:1px solid var(--border)}
.compare-card .icon{font-size:36px;margin-bottom:12px}
.compare-card h4{font-size:17px;font-weight:700;margin-bottom:8px}
.compare-card .rate{font-family:var(--font-num);font-size:28px;font-weight:800;color:var(--primary);margin-bottom:4px}
.compare-card .rate small{font-size:14px;color:var(--text-muted)}
.compare-card p{font-size:14px;color:var(--text-muted)}
.compare-bar{height:6px;background:var(--primary-light);border-radius:99px;margin-top:14px;overflow:hidden}
.compare-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--neon),var(--primary));border-radius:99px}
/* ===== FAQ ===== */
.faq-section{background:var(--bg)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--surface);border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-size:15px;font-weight:600;cursor:pointer;color:var(--text);gap:16px}
.faq-q .arrow{width:28px;height:28px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;flex-shrink:0;transition:transform .3s,background .3s}
.faq-item.open .arrow{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{display:none;padding:0 24px 22px;font-size:14.5px;color:var(--text-muted);line-height:1.75}
.faq-a.show{display:block}
/* ===== CTA ===== */
.cta-section{position:relative;padding:90px 0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(14,27,42,.82)}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(26px,4vw,38px);font-weight:800;color:#fff;margin-bottom:14px}
.cta-inner h2 span{color:var(--neon)}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px}
.cta-btn{display:inline-block;background:var(--cta);color:#fff;font-size:16px;font-weight:700;padding:14px 36px;border-radius:var(--radius-btn);box-shadow:0 8px 30px rgba(255,107,74,.4);transition:all .3s}
.cta-btn:hover{background:var(--cta-dark);transform:translateY(-3px);box-shadow:0 12px 36px rgba(255,107,74,.5)}
.cta-note{display:block;margin-top:14px;font-size:13px;color:rgba(255,255,255,.55)}
/* ===== 页脚 ===== */
.site-footer{background:var(--nav-bg);border-top:2px solid rgba(0,217,255,.3)}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.footer-brand .logo-text{font-size:22px}
.footer-brand p{color:rgba(255,255,255,.55);font-size:14px;line-height:1.7;margin-top:14px;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:color .25s}
.footer-col a:hover{color:var(--neon)}
.footer-col p{color:rgba(255,255,255,.55);font-size:14px;line-height:1.7;margin-bottom:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.4);text-align:center}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .category-hero-inner{grid-template-columns:1fr;gap:28px}
  .category-hero-media{height:280px}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .reviews-layout{grid-template-columns:1fr}
  .review-aside{position:static;order:-1}
  .anchor-list{flex-direction:row;flex-wrap:wrap}
  .anchor-list a{flex:1 1 45%}
  .compare-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .mobile-menu.open{display:flex}
  .nav-cta{display:none}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .category-hero{padding:104px 0 56px}
  .review-card{flex-direction:column}
  .review-img{width:100%;height:200px}
  .compare-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .stats-strip{grid-template-columns:1fr 1fr;padding:20px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .category-hero-copy h1{font-size:30px}
  .stats-strip{grid-template-columns:1fr}
  .stat-item{padding:6px}
  .review-img{height:180px}
  .anchor-list a{flex:1 1 100%}
  .footer-inner{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --primary:#1D5B96;
  --primary-dark:#123B63;
  --primary-light:#E3EDF7;
  --neon:#00D9FF;
  --neon-hover:#00AEE8;
  --cta:#FF6B4A;
  --cta-hover:#E85535;
  --text:#1A2B3C;
  --text-muted:#5A6C7E;
  --border:#D9E2EC;
  --shadow:0 8px 24px rgba(29,91,150,0.08);
  --shadow-hover:0 16px 40px rgba(29,91,150,0.14);
  --radius:16px;
  --radius-sm:8px;
  --header-h:64px;
  --max-w:1180px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-cn);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
button{font-family:inherit;border:none;cursor:pointer;}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;
  line-height:1.4;transition:all .3s ease;min-height:44px;border:1.5px solid transparent;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(29,91,150,0.25);}
.btn-accent{background:var(--cta);color:#fff;}
.btn-accent:hover{background:var(--cta-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,74,0.3);}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary-dark);color:var(--primary-dark);}
.btn-neon{background:transparent;border-color:var(--neon);color:var(--neon);}
.btn-neon:hover{background:rgba(0,217,255,0.12);box-shadow:0 0 20px rgba(0,217,255,0.25);}
.btn:focus-visible{outline:3px solid rgba(0,217,255,0.5);outline-offset:2px;}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(14,27,42,0.94);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.06);height:var(--header-h);
}
.header-inner{max-width:var(--max-w);margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;letter-spacing:0.5px;white-space:nowrap;}
.logo-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--neon),var(--primary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:900;flex-shrink:0;}
.logo .logo-accent{color:var(--neon);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:block;padding:10px 16px;color:rgba(255,255,255,0.85);font-size:15px;font-weight:500;
  border-radius:8px;transition:all .3s ease;position:relative;white-space:nowrap;
}
.main-nav a:hover{color:var(--neon);background:rgba(0,217,255,0.08);}
.main-nav a.active{color:#fff;}
.main-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--neon),rgba(0,217,255,0.2));
  border-radius:2px;box-shadow:0 0 12px rgba(0,217,255,0.6);
}
.header-cta{
  display:inline-flex;align-items:center;gap:6px;background:var(--cta);color:#fff;
  padding:9px 20px;border-radius:8px;font-size:14px;font-weight:700;
  transition:all .3s ease;white-space:nowrap;
}
.header-cta:hover{background:var(--cta-hover);transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,74,0.3);}
.nav-toggle{
  display:none;width:44px;height:44px;background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.2);border-radius:8px;color:#fff;font-size:20px;
  align-items:center;justify-content:center;transition:all .3s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,0.2);}
.nav-toggle.open .fa-bars{display:none;}
.nav-toggle .fa-xmark{display:none;}
.nav-toggle.open .fa-xmark{display:inline;}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;padding:calc(var(--header-h) + 56px) 0 64px;
  background:linear-gradient(180deg,#E7EFF7 0%,var(--bg) 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:0.12;
}
.page-hero::after{
  content:"";position:absolute;top:20%;right:-80px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(0,217,255,0.12),transparent 70%);
  border-radius:50%;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-content{max-width:780px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 16px;
  background:rgba(29,91,150,0.1);color:var(--primary-dark);border-radius:999px;
  font-size:13px;font-weight:600;margin-bottom:20px;border:1px solid rgba(29,91,150,0.15);
}
.hero-badge i{color:var(--neon);}
.hero-title{font-size:46px;font-weight:900;line-height:1.2;color:var(--text);margin-bottom:16px;letter-spacing:-0.5px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{font-size:17px;color:var(--text-muted);line-height:1.8;margin-bottom:32px;max-width:640px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:24px;padding-top:20px;border-top:1px solid var(--border);}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);font-weight:500;}
.trust-item i{color:var(--neon);font-size:16px;}

/* ===== Section ===== */
.section{padding:80px 0;}
.section-white{background:var(--surface);}
.section-tint{background:#EAF1F8;}
.section-header{margin-bottom:44px;max-width:720px;}
.section-tag{
  display:inline-block;padding:4px 14px;background:var(--primary-light);
  color:var(--primary-dark);border-radius:999px;font-size:13px;font-weight:600;
  letter-spacing:0.5px;margin-bottom:14px;
}
.section-title{font-size:32px;font-weight:800;line-height:1.3;color:var(--text);position:relative;padding-bottom:16px;margin-bottom:12px;}
.section-title::after{
  content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--neon),rgba(0,217,255,0.1));
  box-shadow:0 0 12px rgba(0,217,255,0.4);
}
.section-subtitle{font-size:16px;color:var(--text-muted);line-height:1.8;}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover);}
.about-media img{width:100%;height:340px;object-fit:cover;}
.about-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(18,59,99,0.15));
}
.about-content h3{font-size:24px;font-weight:800;margin-bottom:16px;color:var(--text);}
.about-content p{font-size:16px;color:var(--text-muted);line-height:1.8;margin-bottom:16px;}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;}
.stat-item{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:20px 16px;text-align:center;box-shadow:var(--shadow);transition:all .3s ease;
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stat-num{font-size:28px;font-weight:900;color:var(--primary);font-family:"Inter",var(--font-cn);}
.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px;}

/* ===== Service Cards ===== */
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.service-card{
  display:flex;align-items:center;gap:20px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);padding:20px;
  box-shadow:var(--shadow);transition:all .3s ease;overflow:hidden;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,217,255,0.4);}
.service-img{
  width:110px;height:110px;border-radius:12px;object-fit:cover;flex-shrink:0;
  background:var(--primary-light);
}
.service-info{flex:1;}
.service-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:6px;}
.service-desc{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:10px;}
.service-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;transition:all .3s ease;}
.service-link:hover{color:var(--neon-hover);gap:8px;}
.service-link i{font-size:12px;}

/* ===== Timeline ===== */
.process-flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;position:relative;
}
.process-step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 20px;text-align:center;position:relative;box-shadow:var(--shadow);
  transition:all .3s ease;
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.process-step::after{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-18px;top:50%;transform:translateY(-50%);
  color:var(--neon);font-size:16px;z-index:3;background:var(--bg);
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 4px rgba(0,217,255,0.1);
}
.process-step:last-child::after{display:none;}
.step-num{
  width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;box-shadow:0 6px 16px rgba(29,91,150,0.25);
}
.step-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px;}
.step-desc{font-size:14px;color:var(--text-muted);line-height:1.6;}

/* ===== Guarantee ===== */
.guarantee-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.guarantee-card{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:all .3s ease;
}
.guarantee-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.guarantee-icon{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));
  color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(29,91,150,0.2);
}
.guarantee-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px;}
.guarantee-desc{font-size:14px;color:var(--text-muted);line-height:1.7;}

/* ===== FAQ ===== */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:all .3s ease;box-shadow:var(--shadow);
}
.faq-item.open{border-color:rgba(0,217,255,0.4);box-shadow:var(--shadow-hover);}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;text-align:left;font-size:16px;font-weight:700;
  color:var(--text);transition:all .3s ease;min-height:44px;
}
.faq-question:hover{color:var(--primary);}
.faq-question i{font-size:16px;color:var(--primary);transition:transform .3s ease;flex-shrink:0;}
.faq-item.open .faq-question i{transform:rotate(180deg);color:var(--neon);}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
  padding:0 24px;color:var(--text-muted);font-size:15px;line-height:1.8;
}
.faq-item.open .faq-answer{max-height:400px;padding-bottom:20px;}

/* ===== CTA ===== */
.cta-band{
  position:relative;padding:80px 0;text-align:center;
  background:linear-gradient(135deg,rgba(14,27,42,0.94),rgba(18,59,99,0.9)),
    url('/assets/images/backpic/back-3.png') center/cover;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-60px;left:50%;transform:translateX(-50%);
  width:400px;height:180px;background:radial-gradient(ellipse,rgba(0,217,255,0.18),transparent 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto;}
.cta-title{font-size:34px;font-weight:900;color:#fff;margin-bottom:16px;line-height:1.3;}
.cta-title span{color:var(--neon);}
.cta-desc{font-size:16px;color:rgba(255,255,255,0.75);line-height:1.8;margin-bottom:32px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{background:#0E1B2A;color:rgba(255,255,255,0.75);border-top:2px solid var(--neon);}
.footer-inner{
  max-width:var(--max-w);margin:0 auto;padding:56px 24px 40px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo-text{font-size:22px;font-weight:800;color:#fff;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:300px;color:rgba(255,255,255,0.6);}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;position:relative;padding-bottom:10px;}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:linear-gradient(90deg,var(--neon),transparent);border-radius:2px;
}
.footer-col a{
  display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,0.6);
  transition:all .3s ease;line-height:1.8;
}
.footer-col a:hover{color:var(--neon);padding-left:4px;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,0.6);}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding:18px 0;text-align:center;}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.45);}

/* ===== Scroll reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .main-nav{gap:2px;}
  .main-nav a{padding:10px 10px;font-size:14px;}
  .about-grid{gap:32px;}
  .process-flow{grid-template-columns:repeat(2,1fr);gap:16px;}
  .process-step::after{display:none;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-title{font-size:30px;}
}
@media (max-width:767px){
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;background:#0E1B2A;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 20px;
    border-bottom:1px solid rgba(255,255,255,0.08);display:none;z-index:999;
    box-shadow:0 20px 40px rgba(0,0,0,0.3);
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:14px 12px;font-size:16px;border-radius:8px;}
  .main-nav a.active{background:rgba(0,217,255,0.08);}
  .main-nav a.active::after{left:12px;right:auto;width:4px;height:20px;bottom:50%;transform:translateY(50%);box-shadow:0 0 10px rgba(0,217,255,0.6);}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{flex-direction:column;gap:12px;}
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .about-grid{grid-template-columns:1fr;}
  .about-media img{height:220px;}
  .about-stats{grid-template-columns:1fr;gap:12px;}
  .service-grid{grid-template-columns:1fr;}
  .service-card{flex-direction:row;align-items:flex-start;}
  .service-img{width:84px;height:84px;}
  .process-flow{grid-template-columns:1fr;gap:12px;}
  .guarantee-grid{grid-template-columns:1fr;}
  .cta-title{font-size:26px;}
  .cta-actions{flex-direction:column;gap:12px;}
  .cta-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;gap:28px;padding-top:40px;}
  .footer-bottom p{font-size:12px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .header-inner{padding:0 16px;}
  .logo{font-size:18px;}
  .logo-icon{width:32px;height:32px;font-size:14px;}
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:15px;}
  .section-title{font-size:24px;}
  .service-card{flex-direction:column;align-items:center;text-align:center;}
  .service-img{width:100%;height:160px;}
  .process-step{padding:20px 16px;}
}