/* roulang page: index */
:root {
  --bg-primary: #070C18;
  --bg-secondary: #0E1628;
  --glass-bg: rgba(17, 27, 49, 0.55);
  --border-color: rgba(148, 184, 255, 0.14);
  --accent: #2FA8FF;
  --accent-2: #6FE6C0;
  --accent-3: #8F7BFF;
  --warning: #FFB86B;
  --error: #F96680;
  --text-primary: #F2F6FC;
  --text-secondary: #A6B8D0;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  padding-top: 64px;
  background-image: linear-gradient(rgba(7, 12, 24, 0.93), rgba(7, 12, 24, 0.95)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 1024px) {
  body {
    padding-top: 130px;
  }
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.3);
}
.container-main {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}
@media (min-width: 768px) {
  .container-main {
    padding-left: 32px;
    padding-right: 32px;
  }
}
.glass-card {
  background: rgba(17, 27, 49, 0.55);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(148, 184, 255, 0.14);
  border-radius: 16px;
}
.text-gradient {
  background: linear-gradient(90deg, #2FA8FF, #8F7BFF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.btn-primary, .btn-secondary, .btn-warning {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(47, 168, 255, 0.25), 0 10px 40px -10px rgba(47, 168, 255, 0.45);
}
.btn-primary:hover {
  background: #3ab2ff;
  box-shadow: 0 0 0 1px rgba(47, 168, 255, 0.4), 0 14px 48px -12px rgba(47, 168, 255, 0.6);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(0.97);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(148, 184, 255, 0.25);
  color: var(--text-primary);
  backdrop-filter: blur(6px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(148, 184, 255, 0.4);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: scale(0.97);
}
.btn-warning {
  background: var(--warning);
  color: #241a0c;
  box-shadow: 0 0 0 1px rgba(255, 184, 107, 0.3), 0 12px 40px -10px rgba(255, 184, 107, 0.4);
}
.btn-warning:hover {
  background: #ffc983;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(255, 184, 107, 0.5), 0 16px 48px -12px rgba(255, 184, 107, 0.55);
}
.btn-warning:active {
  transform: scale(0.97);
}
.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-2);
  background: rgba(111, 230, 192, 0.08);
  border: 1px solid rgba(111, 230, 192, 0.18);
}
.section-tag.amber {
  color: var(--warning);
  background: rgba(255, 184, 107, 0.08);
  border-color: rgba(255, 184, 107, 0.18);
}
.section-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-top: 12px;
}
.section-subtitle {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-top: 10px;
  max-width: 640px;
}
@media (min-width: 768px) {
  .section-title {
    font-size: 32px;
  }
  .section-subtitle {
    font-size: 16px;
  }
}
.section-head-center {
  text-align: center;
  margin-bottom: 40px;
}
.section-head-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}
.blob-primary, .blob-purple {
  position: absolute;
  border-radius: 9999px;
  pointer-events: none;
  opacity: 0.22;
  filter: blur(60px);
}
.blob-primary {
  background: radial-gradient(circle, #2FA8FF 0%, transparent 65%);
}
.blob-purple {
  background: radial-gradient(circle, #8F7BFF 0%, transparent 65%);
}
.logo-mark {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2FA8FF 0%, #1B6DFF 60%, #8F7BFF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: #fff;
  font-family: "Inter", "DIN Alternate", sans-serif;
  box-shadow: 0 0 0 1px rgba(47, 168, 255, 0.4), 0 8px 24px -8px rgba(47, 168, 255, 0.5);
}
.logo-mark::after {
  content: '';
  position: absolute;
  top: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background: var(--accent-2);
  border: 2px solid #070C18;
  box-shadow: 0 0 0 2px rgba(111, 230, 192, 0.3);
}
.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.25s;
  font-family: "Inter", "DIN Alternate", sans-serif;
}
.header-phone:hover {
  color: var(--text-primary);
}
.hamburger-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(148, 184, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: background 0.3s;
}
.hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.channel-nav::-webkit-scrollbar {
  display: none;
}
.channel-item {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
  border-radius: 6px 6px 0 0;
}
.channel-item:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}
.channel-item.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
  box-shadow: inset 0 -3px 0 rgba(47, 168, 255, 0.5);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav-item {
  display: flex;
  align-items: center;
  height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.25s, color 0.25s;
}
.mobile-nav-item:hover,
.mobile-nav-item.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}
.search-form {
  position: relative;
  display: flex;
  align-items: center;
}
.search-input {
  width: 240px;
  height: 40px;
  padding: 0 40px 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(148, 184, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.search-input::placeholder {
  color: rgba(166, 184, 208, 0.6);
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.18);
}
.search-submit {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.25s, background 0.25s;
}
.search-submit:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-2);
  background: rgba(111, 230, 192, 0.08);
  border: 1px solid rgba(111, 230, 192, 0.2);
  margin-bottom: 20px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 8px rgba(111, 230, 192, 0.6);
}
.hero-title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
@media (min-width: 768px) {
  .hero-title {
    font-size: 44px;
  }
}
@media (min-width: 1024px) {
  .hero-title {
    font-size: 52px;
  }
}
.hero-keyword {
  color: var(--accent);
  position: relative;
  white-space: nowrap;
}
.hero-keyword::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 4px;
  border-radius: 2px;
  background: rgba(47, 168, 255, 0.45);
  filter: blur(1px);
}
.hero-subtitle {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: 18px;
}
@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 18px;
  }
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding: 14px 20px;
  border-radius: 14px;
  background: rgba(17, 27, 49, 0.45);
  border: 1px solid rgba(148, 184, 255, 0.1);
  backdrop-filter: blur(8px);
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.hero-trust span svg {
  color: var(--accent-2);
  flex-shrink: 0;
}
.hero-trust i {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: rgba(166, 184, 208, 0.4);
}
.step-card {
  position: relative;
  padding: 28px;
  border-radius: 16px;
  background: rgba(17, 27, 49, 0.5);
  border: 1px solid rgba(148, 184, 255, 0.12);
  transition: all 0.3s ease;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.step-card.highlighted {
  border-color: rgba(143, 123, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(143, 123, 255, 0.2), 0 20px 60px -20px rgba(143, 123, 255, 0.25);
}
.step-num {
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-3);
  line-height: 1;
  display: block;
  margin-bottom: 14px;
}
.step-recommend {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-2);
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(111, 230, 192, 0.1);
  border: 1px solid rgba(111, 230, 192, 0.2);
}
.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.step-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  transition: gap 0.25s, color 0.25s;
}
.step-link:hover {
  gap: 10px;
  color: #5cbaff;
}
.news-card {
  display: block;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(17, 27, 49, 0.5);
  border: 1px solid rgba(148, 184, 255, 0.12);
  transition: all 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}
.news-card:hover .news-thumb img {
  transform: scale(1.04);
}
.news-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(47, 168, 255, 0.12), rgba(143, 123, 255, 0.08));
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-thumb-empty {
  background: linear-gradient(135deg, rgba(47, 168, 255, 0.18), rgba(143, 123, 255, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-2);
  background: rgba(255, 255, 255, 0.08);
}
.news-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (min-width: 768px) {
  .news-title {
    font-size: 17px;
  }
}
.news-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid rgba(148, 184, 255, 0.08);
  font-size: 13px;
  color: var(--text-secondary);
}
.news-meta time {
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-weight: 600;
  color: var(--text-secondary);
}
.news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-weight: 500;
}
.news-empty {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed rgba(148, 184, 255, 0.2);
  border-radius: 16px;
  color: var(--text-secondary);
  font-size: 15px;
  text-align: center;
  padding: 24px;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  transition: gap 0.25s, color 0.25s;
}
.more-link:hover {
  gap: 10px;
  color: #5cbaff;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  transition: color 0.25s;
}
.text-link:hover {
  color: #5cbaff;
}
.compare-cell {
  padding: 16px 16px;
  border-bottom: 1px solid rgba(148, 184, 255, 0.08);
  border-right: 1px solid rgba(148, 184, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.compare-cell:last-child {
  border-right: none;
}
.compare-head {
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}
.compare-feature {
  justify-content: flex-start;
  color: var(--text-secondary);
}
.compare-recommend {
  background: rgba(143, 123, 255, 0.06);
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(143, 123, 255, 0.18);
}
.recommend-badge {
  position: absolute;
  top: -1px;
  right: 16px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, #8F7BFF, #6c5ce7);
  padding: 3px 10px;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 12px rgba(143, 123, 255, 0.35);
}
.compare-price {
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.compare-price em {
  font-style: normal;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.list-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.list-check li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.list-check li svg {
  color: var(--accent-2);
  flex-shrink: 0;
  margin-top: 4px;
}
.faq-item {
  transition: background 0.25s;
}
.faq-item + .faq-item {
  border-top: 1px solid rgba(148, 184, 255, 0.1);
}
.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.25s;
}
.faq-toggle:hover {
  color: var(--accent);
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  color: var(--accent);
  background: rgba(47, 168, 255, 0.08);
  border: 1px solid rgba(47, 168, 255, 0.2);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer p {
  padding: 0 24px 24px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-item.open .faq-answer {
  max-height: 400px;
}
.time-limit-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(9, 14, 26, 0.96), rgba(15, 21, 38, 0.98));
  border: 1px solid rgba(255, 184, 107, 0.16);
  border-radius: 24px;
}
.time-blob {
  position: absolute;
  top: -100px;
  right: -60px;
  width: 340px;
  height: 340px;
  border-radius: 9999px;
  background: radial-gradient(circle, rgba(255, 184, 107, 0.22) 0%, transparent 70%);
  pointer-events: none;
}
.countdown {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.count-item {
  min-width: 62px;
  padding: 14px 10px;
  background: rgba(17, 27, 49, 0.6);
  border: 1px solid rgba(148, 184, 255, 0.14);
  border-radius: 14px;
  text-align: center;
  backdrop-filter: blur(6px);
}
.count-num {
  display: block;
  font-family: "Inter", "DIN Alternate", sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--warning);
  line-height: 1.2;
}
.count-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 184, 255, 0.14);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
textarea.form-input {
  height: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  resize: vertical;
}
.form-input::placeholder {
  color: rgba(166, 184, 208, 0.55);
}
.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A6B8D0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-error {
  color: var(--error);
  font-size: 14px;
  text-align: center;
  padding: 10px;
  border-radius: 10px;
  background: rgba(249, 102, 128, 0.08);
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(148, 184, 255, 0.08);
}
.contact-info-item:last-child {
  border-bottom: none;
}
.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(47, 168, 255, 0.08);
  border: 1px solid rgba(47, 168, 255, 0.18);
  color: var(--accent);
  flex-shrink: 0;
}
.contact-info-item .info-label {
  font-size: 13px;
  color: var(--text-secondary);
}
.contact-info-item .info-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}
.footer-link {
  display: inline-block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color 0.25s, padding-left 0.25s;
}
.footer-link:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

/* roulang page: category1 */
:root {
            --bg-primary: #070C18;
            --bg-secondary: #0E1628;
            --bg-card: rgba(17, 27, 49, 0.55);
            --border-color: rgba(148, 184, 255, 0.14);
            --accent-primary: #2FA8FF;
            --accent-secondary: #6FE6C0;
            --accent-brand: #8F7BFF;
            --accent-warning: #FFB86B;
            --accent-error: #F96680;
            --text-primary: #F2F6FC;
            --text-secondary: #A6B8D0;
            --text-body: #C9D6E8;
            --card-radius: 16px;
            --btn-radius: 12px;
            --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
            --glow-shadow: 0 0 0 1px rgba(47, 168, 255, 0.25), 0 10px 40px -10px rgba(47, 168, 255, 0.45);
            --accent-shadow: 0 0 0 1px rgba(143, 123, 255, 0.3), 0 20px 60px -20px rgba(143, 123, 255, 0.4);
            --amber-shadow: 0 0 0 1px rgba(255, 184, 107, 0.3), 0 10px 40px -10px rgba(255, 184, 107, 0.4);
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 12px 16px;
            width: 100%;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.15);
        }

        input::placeholder,
        textarea::placeholder {
            color: rgba(166, 184, 208, 0.6);
        }

        .num-font {
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-weight: 700;
        }

        .container-main {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        /* ===== 页面背景 ===== */
        .page-bg {
            position: fixed;
            inset: 0;
            z-index: -2;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.10;
        }

        .page-bg::after {
            content: '';
            position: fixed;
            inset: 0;
            z-index: -1;
            background:
                radial-gradient(640px 420px at 8% 0%, rgba(47, 168, 255, 0.18), transparent 65%),
                radial-gradient(720px 520px at 95% 15%, rgba(143, 123, 255, 0.14), transparent 60%),
                radial-gradient(540px 380px at 50% 100%, rgba(47, 168, 255, 0.08), transparent 60%),
                rgba(7, 12, 24, 0.93);
        }

        /* ===== Logo ===== */
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #2FA8FF 0%, #8F7BFF 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-weight: 800;
            font-size: 14px;
            color: #fff;
            letter-spacing: 0.5px;
            position: relative;
            box-shadow: 0 4px 20px rgba(47, 168, 255, 0.35);
            flex-shrink: 0;
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            right: -4px;
            bottom: -4px;
            width: 10px;
            height: 10px;
            background: var(--accent-secondary);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .text-gradient {
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-brand));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            background: rgba(7, 12, 24, 0.78);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-bar {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .search-wrap {
            position: relative;
        }

        .search-wrap svg {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            pointer-events: none;
        }

        .search-input {
            width: 220px;
            height: 40px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0 16px 0 38px;
            font-size: 13px;
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

        .search-input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.12);
            width: 260px;
        }

        .search-input::placeholder {
            color: rgba(166, 184, 208, 0.7);
        }

        .header-phone {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.03);
            transition: all 0.3s ease;
        }

        .header-phone:hover {
            color: var(--text-primary);
            border-color: rgba(47, 168, 255, 0.4);
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.08);
        }

        /* ===== 频道导航 ===== */
        .channel-nav {
            position: relative;
            z-index: 30;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 2px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-nav-inner::-webkit-scrollbar {
            display: none;
        }

        .channel-item {
            display: inline-flex;
            align-items: center;
            height: 44px;
            padding: 0 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px 8px 0 0;
            position: relative;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .channel-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-item:focus-visible {
            outline: none;
            box-shadow: inset 0 0 0 2px rgba(47, 168, 255, 0.3);
        }

        .channel-item.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 0;
            height: 3px;
            border-radius: 3px 3px 0 0;
            background: var(--accent-primary);
            box-shadow: 0 0 12px rgba(47, 168, 255, 0.6);
        }

        /* ===== 汉堡/移动面板 ===== */
        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-secondary);
            margin-right: 4px;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
        }

        .mobile-panel {
            display: none;
            background: rgba(7, 12, 24, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 12px 0 16px;
        }

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

        .mobile-nav-item {
            display: block;
            padding: 12px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            border-radius: 8px;
            transition: all 0.25s ease;
        }

        .mobile-nav-item.active {
            color: var(--text-primary);
            border-left-color: var(--accent-primary);
            background: rgba(47, 168, 255, 0.08);
            font-weight: 600;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--btn-radius);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.3);
        }

        .btn-primary {
            background: var(--accent-primary);
            color: #fff;
            box-shadow: var(--glow-shadow);
        }

        .btn-primary:hover {
            background: #4CB8FF;
            box-shadow: 0 0 0 1px rgba(47, 168, 255, 0.4), 0 15px 50px -10px rgba(47, 168, 255, 0.6);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            border-color: rgba(47, 168, 255, 0.5);
            background: rgba(47, 168, 255, 0.08);
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.08);
        }

        .btn-outline:active {
            transform: scale(0.97);
        }

        .btn-amber {
            background: var(--accent-warning);
            color: #1A1206;
            font-weight: 700;
            box-shadow: var(--amber-shadow);
        }

        .btn-amber:hover {
            background: #FFC98D;
            box-shadow: 0 0 0 1px rgba(255, 184, 107, 0.5), 0 15px 50px -10px rgba(255, 184, 107, 0.5);
            transform: translateY(-1px);
        }

        .btn-amber:active {
            transform: scale(0.97);
        }

        .btn-sm {
            height: 40px;
            padding: 0 22px;
            font-size: 14px;
        }

        .btn-lg {
            height: 54px;
            padding: 0 40px;
            font-size: 16px;
        }

        /* ===== 卡片 ===== */
        .glass-card {
            background: rgba(17, 27, 49, 0.55);
            border: 1px solid rgba(148, 184, 255, 0.14);
            border-radius: 16px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--card-shadow);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
        }

        .highlight-card {
            border-color: rgba(143, 123, 255, 0.35);
            box-shadow: var(--accent-shadow);
        }

        .highlight-card:hover {
            border-color: rgba(143, 123, 255, 0.6);
            box-shadow: 0 0 0 1px rgba(143, 123, 255, 0.5), 0 24px 60px -20px rgba(143, 123, 255, 0.5);
        }

        /* ===== 徽章/标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
            background: rgba(47, 168, 255, 0.1);
            color: var(--accent-primary);
            border: 1px solid rgba(47, 168, 255, 0.25);
        }

        .badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            flex-shrink: 0;
            display: inline-block;
        }

        .badge-purple {
            background: rgba(143, 123, 255, 0.12);
            color: var(--accent-brand);
            border-color: rgba(143, 123, 255, 0.3);
        }

        .badge-green {
            background: rgba(111, 230, 192, 0.1);
            color: var(--accent-secondary);
            border-color: rgba(111, 230, 192, 0.25);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .sep {
            margin: 0 8px;
            color: rgba(166, 184, 208, 0.5);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 56px;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.07;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: -100px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(143, 123, 255, 0.15), transparent 65%);
            pointer-events: none;
        }

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

        /* ===== 板块 ===== */
        .section {
            padding: 72px 0;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: 0.2px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .section {
                padding: 96px 0;
            }

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

            .section-subtitle {
                font-size: 16px;
            }
        }

        /* ===== 图文长文 ===== */
        .feature-image-wrap {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--card-shadow);
        }

        .feature-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 168, 255, 0.15), transparent 50%, rgba(143, 123, 255, 0.1));
            pointer-events: none;
        }

        .feature-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }

        .feature-text h3 {
            position: relative;
            padding-left: 16px;
            margin-bottom: 16px;
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
        }

        .feature-text h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            border-radius: 4px;
            background: var(--accent-primary);
            box-shadow: 0 0 12px rgba(47, 168, 255, 0.5);
        }

        .feature-text p {
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        @media (min-width: 768px) {
            .feature-text p {
                font-size: 16px;
            }
        }

        /* ===== 对比条 ===== */
        .compare-bar {
            background: rgba(14, 22, 40, 0.8);
            border: 1px solid rgba(148, 184, 255, 0.14);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .compare-item {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            background: rgba(255, 255, 255, 0.02);
            transition: background 0.3s ease, transform 0.3s ease;
        }

        .compare-item:last-child {
            border-bottom: none;
        }

        .compare-item:hover {
            background: rgba(47, 168, 255, 0.05);
        }

        .compare-item .compare-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            background: rgba(47, 168, 255, 0.12);
            color: var(--accent-primary);
            flex-shrink: 0;
        }

        .compare-item .compare-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .compare-item .compare-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (min-width: 1024px) {
            .compare-bar {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
            }

            .compare-item {
                border-right: 1px solid rgba(255, 255, 255, 0.06);
                border-bottom: none;
                padding: 32px 28px;
            }

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

        /* ===== 列表项 ===== */
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .check-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 10px;
            transition: background 0.25s ease;
        }

        .check-list-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .check-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(111, 230, 192, 0.15);
            color: var(--accent-secondary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .check-list-item p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        .check-list-item strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ===== 页脚 ===== */
        .footer-link {
            display: inline-block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            position: relative;
        }

        .footer-link::before {
            content: '';
            display: inline-block;
            width: 0;
            height: 1px;
            background: var(--accent-primary);
            transition: width 0.25s ease;
            vertical-align: middle;
            margin-right: 0;
        }

        .footer-link:hover {
            color: var(--text-primary);
            transform: translateX(4px);
        }

        .footer-link:hover::before {
            width: 8px;
            margin-right: 4px;
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.25s ease;
        }

        .faq-toggle:hover {
            color: var(--accent-primary);
        }

        .faq-toggle .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-content-inner {
            padding-bottom: 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== 表单 ===== */
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-control {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 14px;
            width: 100%;
            color: var(--text-primary);
            outline: none;
            transition: all 0.25s ease;
        }

        .form-control:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.12);
        }

        .form-error {
            display: none;
            font-size: 13px;
            color: var(--accent-error);
            margin-top: 6px;
        }

        .form-error.visible {
            display: block;
        }

        .form-success {
            display: none;
            background: rgba(111, 230, 192, 0.1);
            border: 1px solid rgba(111, 230, 192, 0.25);
            color: var(--accent-secondary);
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 14px;
            margin-top: 16px;
        }

        .form-success.visible {
            display: block;
        }

        /* ===== 装饰分隔线 ===== */
        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(47, 168, 255, 0.35), rgba(143, 123, 255, 0.35), transparent);
            border: none;
            margin: 0;
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        @keyframes pulseGlow {
            0%,
            100% {
                opacity: 0.6;
            }
            50% {
                opacity: 1;
            }
        }

        .animate-pulse-glow {
            animation: pulseGlow 3s ease-in-out infinite;
        }

        /* ===== 移动断点 ===== */
        @media (min-width: 1024px) {
            .brand-bar .container-main {
                min-height: 72px;
            }
        }

        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .category-hero {
                padding: 96px 0 40px;
            }

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

            .btn {
                padding: 0 22px;
                font-size: 14px;
            }

            .compare-item {
                padding: 20px 18px;
            }
        }

/* roulang page: article */
:root {
  --bg-primary: #070C18;
  --bg-secondary: #0E1628;
  --glass-bg: rgba(17, 27, 49, 0.55);
  --border-primary: rgba(148, 184, 255, 0.14);
  --accent-primary: #2FA8FF;
  --accent-secondary: #6FE6C0;
  --accent-brand: #8F7BFF;
  --accent-warning: #FFB86B;
  --accent-error: #F96680;
  --text-primary: #F2F6FC;
  --text-secondary: #A6B8D0;
  --text-body: #C9D6E8;
  --radius-card: 16px;
  --radius-btn: 12px;
  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(47, 168, 255, 0.25), 0 10px 40px -10px rgba(47, 168, 255, 0.45);
  --shadow-brand: 0 0 0 1px rgba(143, 123, 255, 0.3), 0 20px 60px -20px rgba(143, 123, 255, 0.4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: #070C18;
  color: #F2F6FC;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .3s ease, border-color .3s ease, background-color .3s ease, transform .3s ease, box-shadow .3s ease; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; }
input, textarea, select { font-family: inherit; }

.container-main {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

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

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* 页面背景纹理与光斑 */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .12;
  pointer-events: none;
}
.bg-glow {
  position: fixed;
  z-index: -1;
  border-radius: 9999px;
  filter: blur(100px);
  pointer-events: none;
}
.bg-glow-left { top: -10%; left: -5%; width: 480px; height: 480px; background: rgba(47, 168, 255, .12); }
.bg-glow-right { bottom: -10%; right: -5%; width: 420px; height: 420px; background: rgba(143, 123, 255, .10); }

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  background: #2FA8FF;
  color: #fff;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 0 0 1px rgba(47, 168, 255, .25), 0 10px 40px -10px rgba(47, 168, 255, .45);
  transition: background-color .3s, box-shadow .3s, transform .2s;
}
.btn-primary:hover { background: #4DB6FF; box-shadow: 0 0 0 1px rgba(47, 168, 255, .4), 0 14px 48px -10px rgba(47, 168, 255, .55); }
.btn-primary:active { transform: scale(.97); }
.btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(47, 168, 255, .3); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .12);
  color: #F2F6FC;
  border-radius: 12px;
  font-weight: 500;
  font-size: 15px;
  backdrop-filter: blur(8px);
  transition: background-color .3s, border-color .3s, color .3s, transform .2s;
}
.btn-secondary:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .25); }
.btn-secondary:active { transform: scale(.97); }
.btn-secondary:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(47, 168, 255, .3); }

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}
.brand-bar {
  background: rgba(7, 12, 24, .75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.brand-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
@media (min-width: 768px) { .brand-bar-inner { height: 72px; } }

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #F2F6FC;
}
.brand-name .text-gradient {
  background: linear-gradient(135deg, #2FA8FF 0%, #6FE6C0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(47, 168, 255, .15);
  border: 1px solid rgba(47, 168, 255, .35);
  color: #2FA8FF;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .05em;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6FE6C0;
  box-shadow: 0 0 8px rgba(111, 230, 192, .6);
}

.search-box { position: relative; width: 240px; }
.search-box svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: #A6B8D0; pointer-events: none; }
.search-box input {
  width: 100%;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 12px;
  padding: 9px 12px 9px 36px;
  font-size: 14px;
  color: #F2F6FC;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.search-box input::placeholder { color: rgba(166, 184, 208, .55); }
.search-box input:focus { border-color: #2FA8FF; box-shadow: 0 0 0 3px rgba(47, 168, 255, .15); }

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #A6B8D0;
  font-size: 14px;
  font-weight: 500;
  transition: color .3s;
}
.header-phone:hover { color: #2FA8FF; }

.channel-nav { background: rgba(10, 16, 31, .8); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.channel-nav-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  padding: 0;
}
.channel-nav-inner::-webkit-scrollbar { display: none; }
.channel-item {
  display: inline-flex;
  align-items: center;
  height: 46px;
  padding: 0 16px;
  font-size: 15px;
  color: #A6B8D0;
  border-radius: 8px;
  position: relative;
  transition: background .3s, color .3s;
  flex-shrink: 0;
}
.channel-item:hover { background: rgba(255, 255, 255, .05); color: #F2F6FC; }
.channel-item.active { color: #F2F6FC; font-weight: 600; }
.channel-item.active::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: #2FA8FF;
  box-shadow: 0 0 8px rgba(47, 168, 255, .6);
}
.channel-item:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(47, 168, 255, .25); border-radius: 8px; }

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #F2F6FC;
}
.mobile-menu-btn:hover { background: rgba(255, 255, 255, .08); }
.mobile-menu-btn:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(47, 168, 255, .3); }

.mobile-menu-panel {
  background: rgba(7, 12, 24, .95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.mobile-menu-panel a, .mobile-menu-panel .search-box { width: 100%; }

/* 文章主体 */
.article-main { padding-top: 142px; padding-bottom: 80px; }
@media (min-width: 768px) { .article-main { padding-top: 160px; padding-bottom: 100px; } }

.article-header { padding: 40px 0 32px; position: relative; }
@media (min-width: 768px) { .article-header { padding: 56px 0 40px; } }

.article-prose { max-width: 720px; margin-left: auto; margin-right: auto; }
.article-prose p { margin-bottom: 1.25em; font-size: 1rem; line-height: 1.75; color: #C9D6E8; }
@media (min-width: 768px) { .article-prose p { font-size: 1.0625rem; } }
.article-prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #F2F6FC;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  padding-left: 14px;
  position: relative;
}
.article-prose h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, #2FA8FF, rgba(47, 168, 255, .3));
}
.article-prose h3 { font-size: 1.25rem; font-weight: 600; color: #F2F6FC; margin-top: 2rem; margin-bottom: .75rem; line-height: 1.4; }
.article-prose ul { margin-bottom: 1.25em; padding-left: 0; list-style: none; }
.article-prose ul li { position: relative; padding-left: 22px; margin-bottom: .6em; color: #C9D6E8; line-height: 1.75; }
.article-prose ul li::before { content: ''; position: absolute; left: 4px; top: .6em; width: 7px; height: 7px; border-radius: 50%; background: #2FA8FF; box-shadow: 0 0 6px rgba(47, 168, 255, .5); }
.article-prose ol { margin-bottom: 1.25em; padding-left: 24px; list-style: decimal; }
.article-prose ol li { margin-bottom: .6em; color: #C9D6E8; line-height: 1.75; }
.article-prose li::marker { color: #8F7BFF; font-weight: 600; }
.article-prose blockquote {
  position: relative;
  border-left: 4px solid #2FA8FF;
  background: rgba(47, 168, 255, .06);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin: 1.5em 0;
  color: #C9D6E8;
}
.article-prose blockquote p { margin-bottom: 0; }
.article-prose img { border-radius: 16px; border: 1px solid rgba(255, 255, 255, .08); margin: 1.5em 0; width: 100%; height: auto; object-fit: cover; }
.article-prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; border: 1px solid rgba(255, 255, 255, .1); border-radius: 12px; overflow: hidden; }
.article-prose th { background: rgba(255, 255, 255, .08); padding: 12px 16px; text-align: left; color: #F2F6FC; font-weight: 600; font-size: .9375rem; }
.article-prose td { padding: 12px 16px; border-top: 1px solid rgba(255, 255, 255, .06); color: #C9D6E8; font-size: .9375rem; }

/* 相关推荐卡片 */
.related-card {
  display: block;
  background: rgba(255, 255, 255, .04);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 14px 16px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.related-card:hover { transform: translateY(-4px); border-color: rgba(255, 255, 255, .25); box-shadow: 0 20px 40px rgba(0, 0, 0, .35); }
.related-card:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(47, 168, 255, .3); }
.related-card .card-title { color: #F2F6FC; font-weight: 600; font-size: 15px; line-height: 1.45; transition: color .3s; }
.related-card:hover .card-title { color: #2FA8FF; }

/* 页脚 */
.footer-link { display: block; padding: 6px 0; color: #A6B8D0; font-size: 14px; transition: color .3s, padding-left .3s; }
.footer-link:hover { color: #2FA8FF; padding-left: 4px; }

/* 通用焦点 */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(47, 168, 255, .3);
}

/* 移动端补充 */
@media (max-width: 640px) {
  .brand-name { font-size: 17px; }
  .channel-item { height: 42px; padding: 0 12px; font-size: 14px; }
  .article-main { padding-top: 136px; }
  .article-prose h2 { font-size: 1.35rem; }
}

/* roulang page: category3 */
@theme {
            --color-ink: #070C18;
            --color-ink-2: #0E1628;
            --color-card: rgba(17, 27, 49, 0.55);
            --color-edge: rgba(148, 184, 255, 0.14);
            --color-accent: #2FA8FF;
            --color-mint: #6FE6C0;
            --color-violet: #8F7BFF;
            --color-amber: #FFB86B;
            --color-title: #F2F6FC;
            --color-body: #A6B8D0;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
            --font-num: "Inter","DIN Alternate",sans-serif;
        }

:root {
            --bg-primary: #070C18;
            --bg-secondary: #0E1628;
            --card-bg: rgba(17, 27, 49, 0.55);
            --border-color: rgba(148, 184, 255, 0.14);
            --accent: #2FA8FF;
            --accent-green: #6FE6C0;
            --accent-purple: #8F7BFF;
            --accent-amber: #FFB86B;
            --text-primary: #F2F6FC;
            --text-secondary: #A6B8D0;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 0 1px rgba(47, 168, 255, 0.25), 0 10px 40px -10px rgba(47, 168, 255, 0.45);
            --shadow-violet: 0 0 0 1px rgba(143, 123, 255, 0.3), 0 20px 60px -20px rgba(143, 123, 255, 0.4);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            overflow-x: hidden;
        }

        .font-num {
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-weight: 700;
        }

        .container-main {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        .text-gradient {
            background: linear-gradient(135deg, #2FA8FF 0%, #6FE6C0 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .page-bg {
            position: fixed;
            inset: 0;
            z-index: -1;
            overflow: hidden;
            background-color: var(--bg-primary);
        }

        .bg-image {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .07;
        }

        .bg-glow {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
        }

        .glow-1 {
            top: -120px;
            left: -120px;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(47, 168, 255, 0.18) 0%, transparent 70%);
        }

        .glow-2 {
            bottom: -80px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(143, 123, 255, 0.13) 0%, transparent 70%);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(7, 12, 24, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .header-top {
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(47, 168, 255, 0.2), rgba(47, 168, 255, 0.05));
            border: 1px solid rgba(47, 168, 255, 0.35);
            color: #2FA8FF;
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-weight: 800;
            font-size: 16px;
            position: relative;
            letter-spacing: -0.5px;
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            bottom: -3px;
            right: -3px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(111, 230, 192, 0.8);
            border: 2px solid rgba(7, 12, 24, 0.9);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.2px;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 0 12px;
            height: 40px;
            width: 260px;
            transition: border-color .25s, box-shadow .25s;
        }

        .header-search:focus-within {
            border-color: rgba(47, 168, 255, 0.5);
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.15);
        }

        .header-search .search-icon {
            width: 16px;
            height: 16px;
            color: var(--text-secondary);
            flex-shrink: 0;
            margin-right: 8px;
        }

        .search-input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            height: 100%;
        }

        .search-input::placeholder {
            color: rgba(166, 184, 208, 0.6);
        }

        .header-phone {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: color .25s;
            white-space: nowrap;
        }

        .header-phone:hover {
            color: var(--text-primary);
        }

        .header-phone svg {
            width: 16px;
            height: 16px;
            color: var(--accent);
        }

        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            color: var(--text-primary);
            transition: background .25s, border-color .25s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .header-bottom {
            position: relative;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
            white-space: nowrap;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-item {
            display: inline-flex;
            align-items: center;
            padding: 12px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            border-bottom: 3px solid transparent;
            transition: color .25s, background .25s, border-color .25s;
            position: relative;
            border-radius: 8px 8px 0 0;
        }

        .channel-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-item.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        .channel-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
            box-shadow: 0 0 12px rgba(47, 168, 255, 0.6);
        }

        .mobile-panel {
            display: none;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            background: rgba(7, 12, 24, 0.95);
            backdrop-filter: blur(16px);
        }

        .mobile-panel.open {
            display: block;
            animation: fadeSlideDown .3s ease forwards;
        }

        @keyframes fadeSlideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: background .25s, box-shadow .25s, transform .15s;
            box-shadow: 0 10px 40px -10px rgba(47, 168, 255, 0.45);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #4bb6ff;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.12), 0 14px 44px -10px rgba(47, 168, 255, 0.55);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.3);
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(148, 184, 255, 0.25);
            color: var(--text-primary);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            transition: background .25s, border-color .25s, box-shadow .25s;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(148, 184, 255, 0.4);
            box-shadow: 0 0 0 4px rgba(148, 184, 255, 0.08);
        }

        .btn-outline:active {
            transform: scale(0.97);
        }

        .btn-outline:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.2);
        }

        .btn-amber {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            background: var(--accent-amber);
            border: none;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 700;
            color: #3d2800;
            cursor: pointer;
            text-decoration: none;
            transition: background .25s, box-shadow .25s, transform .15s;
            box-shadow: 0 10px 32px -10px rgba(255, 184, 107, 0.4);
        }

        .btn-amber:hover {
            background: #ffc886;
            box-shadow: 0 0 0 4px rgba(255, 184, 107, 0.15), 0 14px 40px -10px rgba(255, 184, 107, 0.5);
        }

        .btn-amber:active {
            transform: scale(0.97);
        }

        .btn-amber:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 184, 107, 0.3);
        }

        .hero-small {
            position: relative;
            padding: 140px 0 72px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(148, 184, 255, 0.1);
            overflow: hidden;
        }

        .hero-small::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 12, 24, 0.82) 0%, rgba(7, 12, 24, 0.92) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            opacity: 0.5;
        }

        .hero-small h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        @media (min-width: 768px) {
            .hero-small h1 {
                font-size: 52px;
            }
        }

        .hero-small .lead {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 640px;
        }

        @media (min-width: 768px) {
            .hero-small .lead {
                font-size: 18px;
            }
        }

        .main-section {
            padding: 64px 0 80px;
        }

        .content-panel {
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 36px;
        }

        .panel-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-card);
            transition: border-color .3s, transform .3s, box-shadow .3s;
        }

        .panel-card:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        @media (min-width: 768px) {
            .panel-card {
                padding: 36px;
            }
        }

        .panel-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            position: relative;
            padding-left: 16px;
        }

        .panel-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--accent), rgba(47, 168, 255, 0.1));
        }

        .panel-body {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

        .panel-body p+p {
            margin-top: 12px;
        }

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

        @media (min-width: 768px) {
            .knowledge-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .knowledge-item {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(148, 184, 255, 0.12);
            border-radius: 16px;
            padding: 24px;
            transition: border-color .25s, transform .25s, background .25s;
        }

        .knowledge-item:hover {
            border-color: rgba(47, 168, 255, 0.35);
            background: rgba(47, 168, 255, 0.05);
            transform: translateY(-2px);
        }

        .knowledge-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: rgba(143, 123, 255, 0.12);
            border: 1px solid rgba(143, 123, 255, 0.2);
            color: var(--accent-purple);
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .knowledge-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .knowledge-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .flow-steps {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }

        @media (min-width: 768px) {
            .flow-steps {
                flex-direction: row;
                align-items: flex-start;
            }
        }

        .flow-step {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            flex: 1;
            padding: 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(148, 184, 255, 0.1);
            border-radius: 14px;
        }

        .flow-step .step-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(47, 168, 255, 0.12);
            border: 1px solid rgba(47, 168, 255, 0.25);
            color: var(--accent);
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
        }

        .flow-step .step-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .flow-step .step-text strong {
            display: block;
            color: var(--text-primary);
            font-size: 14px;
            margin-bottom: 2px;
        }

        .flow-arrow {
            display: none;
        }

        @media (min-width: 768px) {
            .flow-arrow {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 24px;
                flex-shrink: 0;
                color: rgba(47, 168, 255, 0.3);
                margin-top: 28px;
            }
        }

        .faq-section {
            display: flex;
            flex-direction: column;
        }

        .faq-item {
            border-bottom: 1px solid rgba(148, 184, 255, 0.1);
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(148, 184, 255, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            transition: color .2s;
        }

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

        .faq-question:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.15);
            border-radius: 8px;
        }

        .faq-q-text {
            flex: 1;
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(47, 168, 255, 0.1);
            border: 1px solid rgba(47, 168, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            transition: transform .3s ease, background .3s, border-color .3s;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(135deg);
            background: rgba(47, 168, 255, 0.2);
            border-color: rgba(47, 168, 255, 0.4);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding-left: 4px;
            padding-right: 4px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding-bottom: 20px;
        }

        .cta-inline {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
            padding: 28px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(47, 168, 255, 0.08), rgba(143, 123, 255, 0.04));
            border: 1px solid rgba(47, 168, 255, 0.2);
        }

        @media (min-width: 768px) {
            .cta-inline {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 32px 36px;
            }
        }

        .cta-inline .cta-text {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .cta-inline .cta-sub {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .side-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
            min-width: 0;
        }

        .side-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-card);
        }

        .contact-card {
            text-align: center;
            padding: 28px 24px;
            border: 1px solid rgba(47, 168, 255, 0.15);
        }

        .contact-card .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(47, 168, 255, 0.12);
            border: 1px solid rgba(47, 168, 255, 0.3);
            margin-bottom: 12px;
        }

        .contact-card .icon-circle svg {
            width: 24px;
            height: 24px;
            color: var(--accent);
        }

        .contact-card .phone-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            font-family: "Inter", "DIN Alternate", sans-serif;
            display: block;
            margin-bottom: 4px;
        }

        .contact-card .service-time {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .contact-card .service-mail {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .side-cta {
            padding: 28px 24px;
            border: 1px solid rgba(143, 123, 255, 0.25);
            background: linear-gradient(145deg, rgba(143, 123, 255, 0.1), rgba(47, 168, 255, 0.05));
            box-shadow: var(--shadow-violet);
            position: relative;
            overflow: hidden;
        }

        .side-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(143, 123, 255, 0.15), transparent 70%);
        }

        .side-cta h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .side-cta p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .service-guarantee {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .guarantee-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .dot-blue {
            background: var(--accent);
        }

        .dot-green {
            background: var(--accent-green);
        }

        .dot-violet {
            background: var(--accent-purple);
        }

        .related-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .related-links-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .related-link-item {
            display: block;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: background .25s, color .25s, padding-left .25s;
        }

        .related-link-item:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--accent);
            padding-left: 16px;
        }

        .related-link-item:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.15);
        }

        .footer-link {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color .25s, padding-left .25s;
        }

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

        .footer-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(47, 168, 255, 0.15);
            border-radius: 4px;
        }

        @media (max-width: 767px) {
            .hero-small {
                padding-top: 120px;
                padding-bottom: 48px;
            }
            .hero-small h1 {
                font-size: 32px;
            }
            .panel-card {
                padding: 20px;
            }
            .side-panel {
                order: 2;
            }
        }

        @media (max-width: 1024px) {
            .header-search {
                width: 180px;
            }
            .header-phone span {
                display: none;
            }
        }

        @media (min-width: 1024px) {
            .header-search {
                display: flex;
            }
            .menu-toggle {
                display: none;
            }
            .mobile-panel {
                display: none !important;
            }
        }

        @media (max-width: 1023px) {
            .channel-nav {
                display: none;
            }
        }

        @media (max-width: 1023px) and (min-width: 768px) {
            .channel-nav-mobile {
                display: flex;
                overflow-x: auto;
            }
        }

/* roulang page: category2 */
:root {
  --bg-primary: #070C18;
  --bg-secondary: #0E1628;
  --bg-card: rgba(17, 27, 49, 0.55);
  --border-color: rgba(148, 184, 255, 0.14);
  --color-primary: #2FA8FF;
  --color-secondary: #6FE6C0;
  --color-violet: #8F7BFF;
  --color-amber: #FFB86B;
  --color-error: #F96680;
  --text-primary: #F2F6FC;
  --text-secondary: #A6B8D0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-card: 0 20px 40px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 0 1px rgba(47,168,255,0.25), 0 10px 40px -10px rgba(47,168,255,0.45);
  --shadow-violet: 0 0 0 1px rgba(143,123,255,0.3), 0 20px 60px -20px rgba(143,123,255,0.4);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "DIN Alternate", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(47,168,255,0.35); border-radius: 8px; }

.container-main { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }
@media (min-width: 768px) { .container-main { padding-left: 32px; padding-right: 32px; } }

.site-header { position: fixed; top: 0; left: 0; right: 0; background: rgba(7,12,24,0.78); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(148,184,255,0.1); z-index: 50; }
.brand-row { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo-mark { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 12px; background: linear-gradient(135deg, var(--color-primary), var(--color-violet)); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.95rem; letter-spacing: 0.02em; color: #fff; box-shadow: var(--shadow-glow); }
.brand-name { font-size: 1.25rem; font-weight: 800; letter-spacing: 0.02em; color: var(--text-primary); white-space: nowrap; }
.text-gradient { background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-violet) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--text-secondary); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 0.5rem 1rem; transition: all 0.3s ease; white-space: nowrap; }
.header-phone:hover { border-color: var(--color-primary); color: var(--text-primary); background: rgba(47,168,255,0.06); }
.search-box { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 0 14px; height: 42px; width: 240px; transition: all 0.3s ease; }
.search-box:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(47,168,255,0.18); }
.search-box input { background: transparent; border: none; outline: none; color: var(--text-primary); font-size: 0.875rem; width: 100%; }
.search-box input::placeholder { color: rgba(166,184,208,0.6); }

.channel-nav { display: flex; align-items: center; gap: 2px; overflow-x: auto; scrollbar-width: none; border-top: 1px solid rgba(148,184,255,0.08); background: rgba(10,16,31,0.4); padding: 0 max(20px, calc((100vw - 1200px) / 2)); }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-item { flex: 0 0 auto; color: var(--text-secondary); padding: 0.85rem 1rem; font-size: 0.9375rem; line-height: 1.2; border-bottom: 3px solid transparent; display: inline-flex; align-items: center; gap: 6px; transition: all 0.3s ease; position: relative; border-radius: 0; }
.channel-item:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.channel-item.active { color: #fff; border-bottom-color: var(--color-primary); background: rgba(47,168,255,0.08); }

.mobile-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 8px; border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; background: rgba(255,255,255,0.04); cursor: pointer; flex: 0 0 40px; }
.mobile-toggle span { display: block; height: 2px; width: 20px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
.mobile-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mobile-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-panel { display: none; position: fixed; top: 122px; left: 0; right: 0; z-index: 49; background: rgba(7,12,24,0.96); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(148,184,255,0.14); box-shadow: 0 24px 48px rgba(0,0,0,0.5); }
.mobile-panel.open { display: block; }
.mobile-nav-link { display: block; padding: 12px 14px; border-radius: 10px; font-size: 0.9375rem; color: var(--text-secondary); border-left: 3px solid transparent; transition: all 0.3s ease; }
.mobile-nav-link:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.mobile-nav-link.active { color: #fff; border-left-color: var(--color-primary); background: rgba(47,168,255,0.08); }

.hero-bg { background-image: linear-gradient(180deg, rgba(7,12,24,0.62) 0%, rgba(7,12,24,0.92) 100%), url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center 30%; background-repeat: no-repeat; }
.hero-glow { width: 420px; height: 420px; border-radius: 50%; filter: blur(120px); pointer-events: none; position: absolute; }

.card-glass { background: rgba(17, 27, 49, 0.55); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(148,184,255,0.14); border-radius: 16px; box-shadow: var(--shadow-card); }
.tag-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(143,123,255,0.12); color: #B7A6FF; border: 1px solid rgba(143,123,255,0.25); border-radius: 999px; padding: 6px 14px; font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.02em; }

.btn-primary, .btn-outline, .btn-amber { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; font-size: 0.9375rem; border-radius: 12px; height: 48px; padding: 0 1.5rem; transition: all 0.3s ease; cursor: pointer; border: 1px solid transparent; white-space: nowrap; }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { background: #4db7ff; box-shadow: 0 0 0 1px rgba(47,168,255,0.4), 0 14px 48px -8px rgba(47,168,255,0.6); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.16); color: var(--text-primary); backdrop-filter: blur(8px); }
.btn-outline:hover { border-color: rgba(255,255,255,0.36); background: rgba(255,255,255,0.08); }
.btn-outline:active { transform: scale(0.97); }
.btn-amber { background: var(--color-amber); color: #1A150A; box-shadow: 0 0 0 1px rgba(255,184,107,0.3), 0 10px 40px -10px rgba(255,184,107,0.4); }
.btn-amber:hover { background: #ffc97d; }
.btn-amber:active { transform: scale(0.97); }

.status-chip { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 8px 10px; font-size: 0.8125rem; color: var(--text-secondary); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-secondary); box-shadow: 0 0 8px rgba(111,230,192,0.8); flex-shrink: 0; }
.official-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 0.75rem; font-weight: 700; color: var(--color-secondary); background: rgba(111,230,192,0.1); border: 1px solid rgba(111,230,192,0.28); padding: 4px 10px; border-radius: 999px; }

.stat-card { background: rgba(17, 27, 49, 0.55); backdrop-filter: blur(14px); border: 1px solid rgba(148,184,255,0.14); border-radius: 18px; padding: 28px 24px; position: relative; overflow: hidden; transition: all 0.3s ease; }
.stat-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--color-primary), var(--color-violet)); opacity: 0.7; }
.stat-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.22); box-shadow: 0 24px 48px rgba(0,0,0,0.4); }
.stat-value { font-family: var(--font-num); font-weight: 800; font-size: 2.6rem; line-height: 1.1; color: var(--text-primary); letter-spacing: -0.02em; }
.stat-value em { font-style: normal; color: var(--color-secondary); font-size: 1.4rem; margin-left: 2px; }
.stat-label { font-size: 0.9375rem; font-weight: 600; color: var(--text-primary); margin-top: 8px; }
.stat-desc { font-size: 0.8125rem; color: var(--text-secondary); margin-top: 4px; }

.cover-card { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid rgba(255,255,255,0.12); box-shadow: var(--shadow-card); }
.cover-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cover-card:hover img { transform: scale(1.03); }
.cover-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(7,12,24,0.35) 100%); pointer-events: none; }

.step-list { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: 12px; }
.step-list li { display: flex; align-items: flex-start; gap: 16px; background: rgba(17,27,49,0.55); border: 1px solid rgba(148,184,255,0.14); border-radius: 14px; padding: 18px 20px; transition: all 0.3s ease; }
.step-list li:hover { border-color: rgba(47,168,255,0.4); transform: translateX(4px); }
.step-num { font-family: var(--font-num); font-weight: 800; font-size: 1.4rem; color: var(--color-violet); flex: 0 0 52px; height: 52px; display: flex; align-items: center; justify-content: center; background: rgba(143,123,255,0.08); border: 1px solid rgba(143,123,255,0.2); border-radius: 12px; }

.check-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9375rem; color: var(--text-secondary); padding: 12px 16px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; transition: all 0.3s ease; }
.check-list li:hover { background: rgba(255,255,255,0.06); border-color: rgba(47,168,255,0.3); }
.check-list li svg { flex: 0 0 20px; color: var(--color-secondary); margin-top: 3px; }

.quote-panel { background: rgba(17,27,49,0.55); backdrop-filter: blur(14px); border: 1px solid rgba(148,184,255,0.16); border-radius: 20px; box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.quote-panel::before { content: ""; position: absolute; top: -80px; left: -40px; width: 240px; height: 240px; background: radial-gradient(circle, rgba(47,168,255,0.16), transparent 70%); pointer-events: none; }
.quote-panel::after { content: ""; position: absolute; bottom: -80px; right: -40px; width: 240px; height: 240px; background: radial-gradient(circle, rgba(143,123,255,0.14), transparent 70%); pointer-events: none; }

.faq-item { border-bottom: 1px solid rgba(148,184,255,0.12); transition: all 0.3s ease; }
.faq-item:last-child { border-bottom: none; }
.faq-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; background: none; border: none; cursor: pointer; padding: 22px 18px; text-align: left; color: var(--text-primary); font-size: 1rem; font-weight: 600; transition: all 0.3s ease; border-radius: 10px; }
.faq-trigger:hover { background: rgba(255,255,255,0.04); }
.faq-icon { flex: 0 0 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(47,168,255,0.1); border: 1px solid rgba(47,168,255,0.25); color: var(--color-primary); font-size: 1.3rem; font-weight: 400; transition: all 0.4s ease; }
.faq-item.active .faq-icon { transform: rotate(135deg); background: rgba(143,123,255,0.12); border-color: rgba(143,123,255,0.4); color: #B7A6FF; }
.faq-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 18px; color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.85; }
.faq-item.active .faq-content { max-height: 500px; padding: 0 18px 22px; }

.cta-panel { position: relative; overflow: hidden; background: linear-gradient(135deg, rgba(10,16,31,0.92), rgba(14,22,40,0.88)); border: 1px solid rgba(255,184,107,0.2); border-radius: 24px; padding: 48px 36px; box-shadow: var(--shadow-card); }
@media (min-width: 768px) { .cta-panel { padding: 56px 48px; } }
.cta-panel::before { content: ""; position: absolute; top: -100px; right: -60px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(255,184,107,0.22), transparent 70%); pointer-events: none; }
.cta-panel::after { content: ""; position: absolute; bottom: -100px; left: -60px; width: 260px; height: 260px; background: radial-gradient(circle, rgba(47,168,255,0.18), transparent 70%); pointer-events: none; }

.footer-link { display: inline-block; font-size: 0.875rem; color: var(--text-secondary); padding: 4px 0; transition: all 0.3s ease; border-radius: 6px; }
.footer-link:hover { color: var(--text-primary); transform: translateX(4px); }

@media (max-width: 1023px) {
  .desktop-only { display: none !important; }
  .brand-row { height: 64px; }
  .mobile-panel { top: 114px; }
}
@media (min-width: 1024px) {
  .mobile-only { display: none !important; }
}