/* roulang page: index */
:root {
  --bg: #070E19;
  --deep: #0A1424;
  --brand: #2E6BFF;
  --brand-light: #5A8FFF;
  --volt: #35E2CA;
  --track: #F2B84B;
  --title: #EEF5FF;
  --body: #B8C4DA;
  --mute: #7086A8;
  --glass: rgba(17, 29, 48, 0.62);
  --line: rgba(190, 220, 255, 0.12);
  --line-strong: rgba(120, 220, 255, 0.35);
  --radius-lg: 20px;
  --radius: 14px;
  --shadow: 0 12px 32px rgba(2, 8, 20, 0.35);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(46, 107, 255, 0.14), transparent 60%),
    radial-gradient(900px 500px at 0% 30%, rgba(53, 226, 202, 0.05), transparent 40%),
    linear-gradient(160deg, #070E19 0%, #0B1626 50%, #070E19 100%);
  color: var(--body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button, input {
  font-family: inherit;
}
:focus-visible {
  outline: 2px solid var(--brand-light);
  outline-offset: 3px;
  border-radius: 6px;
}
.site-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.glass {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 26%), var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.section-space {
  padding: 96px 0;
}
.section-head {
  margin-bottom: 44px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--volt);
  padding: 6px 14px;
  border: 1px solid rgba(53, 226, 202, 0.25);
  border-radius: 999px;
  background: rgba(53, 226, 202, 0.06);
}
.section-title {
  margin: 18px 0 10px;
  font-size: 34px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--title);
  letter-spacing: -0.01em;
}
.section-sub {
  max-width: 760px;
  margin: 0;
  font-size: 17px;
  color: var(--mute);
}
@media (max-width: 768px) {
  .section-space {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 14, 25, 0.82);
  border-bottom: 1px solid rgba(190, 220, 255, 0.1);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.header-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--title);
}
.brand-block {
  line-height: 1;
}
.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--title);
  white-space: nowrap;
}
.brand-sub {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--volt);
  font-weight: 600;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.nav-pill {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: #c7d5ea;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: all .2s ease;
  white-space: nowrap;
}
.nav-pill:hover {
  color: var(--title);
  background: rgba(90, 143, 255, 0.1);
  border-color: rgba(190, 220, 255, 0.2);
}
.nav-pill.is-active {
  color: #07111F;
  background: linear-gradient(180deg, #5ed7ff, #7da2ff 60%, #2E6BFF);
  border-color: rgba(120, 220, 255, 0.35);
  box-shadow: 0 6px 22px rgba(53, 226, 202, 0.22);
  font-weight: 700;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, #4180ff, #2E6BFF);
  border: 1px solid rgba(120, 220, 255, 0.45);
  border-radius: 10px;
  padding: 11px 22px;
  transition: all .2s ease;
  box-shadow: 0 0 0 1px rgba(50, 120, 255, 0.32), 0 8px 26px rgba(30, 130, 255, 0.22);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #5A8FFF, #3879ff);
  border-color: rgba(53, 226, 202, 0.65);
  box-shadow: 0 0 0 1px rgba(53, 226, 202, 0.42), 0 10px 34px rgba(53, 226, 202, 0.28);
  transform: translateY(-1px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--title);
  background: rgba(238, 245, 255, 0.04);
  border: 1px solid rgba(190, 220, 255, 0.22);
  border-radius: 10px;
  padding: 11px 22px;
  transition: all .2s ease;
}
.btn-ghost:hover {
  border-color: rgba(53, 226, 202, 0.5);
  background: rgba(53, 226, 202, 0.08);
  color: #fff;
  transform: translateY(-1px);
}
.btn-disabled,
button[disabled] {
  cursor: default;
  opacity: 0.45;
  filter: saturate(.5);
  box-shadow: none;
}
@media (max-width: 1023px) {
  .header-grid {
    grid-template-columns: 1fr auto;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .site-nav::-webkit-scrollbar {
    display: none;
  }
  .nav-pill {
    flex: 0 0 auto;
    padding: 8px 16px;
  }
  .nav-cta {
    justify-self: end;
  }
}
@media (max-width: 640px) {
  .brand-logo {
    gap: 8px;
  }
  .nav-cta {
    font-size: 14px;
    padding: 9px 16px;
  }
}
.hero {
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 14, 25, 0.92) 0%, rgba(7, 14, 25, 0.74) 45%, rgba(7, 14, 25, 0.38) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-bg:after {
  content: "";
  position: absolute;
  inset: 0;
  border-bottom: 1px solid rgba(190, 220, 255, 0.06);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  pointer-events: none;
}
.hero-orb-a {
  width: 300px;
  height: 300px;
  right: 12%;
  bottom: -120px;
  background: radial-gradient(circle, rgba(53, 226, 202, 0.14), transparent 65%);
}
.hero-orb-b {
  width: 420px;
  height: 420px;
  left: 52%;
  top: -160px;
  background: radial-gradient(circle, rgba(46, 107, 255, 0.15), transparent 65%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 92px 0 84px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--volt);
  background: rgba(53, 226, 202, 0.08);
  border: 1px solid rgba(53, 226, 202, 0.24);
  font-size: 14px;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero-badge svg {
  width: 16px;
  height: 16px;
}
.hero-title {
  font-size: 52px;
  line-height: 1.18;
  font-weight: 800;
  color: var(--title);
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 760px;
}
.hero-title span {
  background: linear-gradient(90deg, #55f2dc, #7ab3ff, #8db1ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: 18px;
  line-height: 1.9;
  max-width: 620px;
  margin: 0 0 36px;
  color: #c3d0e6;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 36px;
}
.hero-metrics .metric {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--mute);
  font-size: 14px;
}
.hero-metrics .metric strong {
  display: block;
  color: var(--title);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.hero-metrics .metric span {
  color: var(--mute);
}
.login-panel {
  padding: 0;
  overflow: hidden;
  background: rgba(10, 20, 36, 0.7);
}
.panel-top {
  position: relative;
  min-height: 152px;
  display: flex;
  align-items: flex-end;
  padding: 18px 20px;
  background: linear-gradient(0deg, rgba(10, 20, 36, 0.9), rgba(10, 20, 36, 0.2)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.panel-top .panel-chip {
  background: rgba(7, 14, 25, 0.78);
  border: 1px solid rgba(242, 184, 75, 0.32);
  border-radius: 999px;
  color: var(--track);
  font-size: 13px;
  padding: 5px 12px;
  backdrop-filter: blur(6px);
}
.panel-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--title);
}
.panel-sub {
  font-size: 13px;
  color: var(--mute);
}
.mock-field {
  border: 1px solid rgba(190, 220, 255, 0.16);
  background: rgba(7, 14, 25, 0.48);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: .72;
}
.mock-field:before {
  content: "";
  width: 14px;
  height: 10px;
  display: inline-block;
  border-radius: 2px;
  background: rgba(190, 220, 255, 0.18);
}
.secure-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mute);
}
.secure-line svg {
  color: var(--volt);
  flex: 0 0 auto;
}
@media (max-width: 1023px) {
  .hero-content {
    padding: 64px 0 60px;
  }
  .hero-title {
    font-size: 40px;
  }
}
@media (max-width: 640px) {
  .hero-title {
    font-size: 32px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .hero-metrics {
    gap: 18px;
  }
  .hero-metrics .metric strong {
    font-size: 20px;
  }
}
.steps-deck {
  background: var(--deep);
  border-top: 1px solid rgba(190, 220, 255, 0.07);
}
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.step-line {
  position: absolute;
  top: 46px;
  left: 9%;
  right: 9%;
  height: 1px;
  background-image: linear-gradient(90deg, rgba(53, 226, 202, 0.4), rgba(53, 226, 202, 0.15), rgba(46, 107, 255, 0.5));
  border: 0;
}
.step-card {
  position: relative;
  z-index: 2;
  padding: 32px 28px;
  border-radius: 18px;
  background: rgba(13, 23, 42, 0.72);
  border: 1px solid var(--line);
  box-shadow: 0 12px 26px rgba(0, 5, 16, 0.22);
  transition: transform .22s ease, border-color .2s ease;
}
.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}
.step-card:nth-child(2) {
  margin-top: 20px;
}
.step-card:nth-child(3) {
  margin-top: 40px;
}
.step-num {
  display: block;
  font-size: 40px;
  font-weight: 800;
  color: transparent;
  background: linear-gradient(135deg, #56ecd8, #2E6BFF 70%);
  -webkit-background-clip: text;
  background-clip: text;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 28px;
  font-variant-numeric: tabular-nums;
}
.step-title {
  color: var(--title);
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-desc {
  color: var(--body);
  font-size: 15px;
  min-height: 76px;
}
.step-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--volt);
  font-size: 14px;
  font-weight: 600;
  margin-top: 12px;
}
.step-link:hover {
  color: var(--brandLight);
}
@media (max-width: 1023px) {
  .step-line {
    display: none;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .step-card:nth-child(2),
  .step-card:nth-child(3) {
    margin-top: 0;
    margin-left: 14px;
  }
  .step-card {
    border-left: 3px solid rgba(53, 226, 202, 0.35);
  }
}
.channel-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr .7fr 1fr;
  gap: 20px;
  grid-auto-flow: dense;
}
.channel-card {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(12, 22, 39, 0.72);
  transition: transform .2s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
}
.channel-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}
.channel-card.span-2 {
  grid-column: span 2;
}
.channel-card.row-2 {
  grid-row: span 2;
}
.channel-cover {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.channel-card.row-2 .channel-cover {
  height: 100%;
  min-height: 420px;
}
.channel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.channel-card:hover .channel-cover img {
  transform: scale(1.03);
}
.channel-cover:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(8, 15, 28, 0.88));
}
.channel-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(242, 184, 75, 0.95);
  color: #1B1608;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 11px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.22);
}
.channel-content {
  padding: 22px 22px 26px;
}
.channel-body-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--title);
  line-height: 1.4;
  margin: 0 0 8px;
}
.channel-body-text {
  font-size: 15px;
  color: var(--body);
  line-height: 1.8;
  margin: 0;
}
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--volt);
  font-size: 14px;
  font-weight: 600;
}
.channel-link:hover {
  color: var(--brandLight);
}
@media (max-width: 1023px) {
  .channel-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .channel-grid {
    grid-template-columns: 1fr;
  }
  .channel-card.span-2,
  .channel-card.row-2 {
    grid-column: auto;
  }
  .channel-card.row-2 .channel-cover {
    height: 220px;
    min-height: 0;
  }
}
.info-section {
  background: rgba(10, 20, 36, 0.44);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.news-card {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(13, 23, 42, 0.74);
  transition: transform .2s ease, border-color .2s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.news-card .card-top {
  padding: 14px 14px 0;
}
.news-card .card-top img,
.news-card .card-top .placeholder-cover {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.news-chip {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  background: rgba(46, 107, 255, 0.14);
  color: #9cc1ff;
  border: 1px solid rgba(46, 107, 255, 0.2);
  border-radius: 999px;
  padding: 3px 10px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}
.news-date {
  font-size: 13px;
  color: var(--mute);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.news-body {
  padding: 4px 20px 0 20px;
}
.news-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--title);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  min-height: 54px;
  margin: 0 0 8px;
}
.news-summary {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  color: var(--body);
  line-height: 1.75;
  min-height: 74px;
  margin: 0;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 20px;
}
.read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--volt);
  font-size: 14px;
  font-weight: 600;
}
.read-link:hover {
  color: var(--brandLight);
}
.news-empty {
  grid-column: 1 / -1;
  padding: 60px 30px;
  text-align: center;
  border: 1px dashed rgba(190, 220, 255, 0.2);
  border-radius: 18px;
  background: rgba(7, 14, 25, 0.32);
  color: var(--mute);
}
.news-empty svg {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  opacity: .4;
}
@media (max-width: 1023px) {
  .news-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}
.faq-bg {
  background:
    radial-gradient(800px 300px at 20% 10%, rgba(53, 226, 202, 0.05), transparent 60%),
    rgba(5, 11, 22, 0.35);
}
.faq-item {
  border: 1px solid rgba(190, 220, 255, 0.12);
  border-left: 3px solid transparent;
  border-radius: 14px;
  background: rgba(10, 20, 36, 0.54);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s ease, background .2s ease;
}
.faq-item:hover {
  border-left-color: var(--volt);
  background: rgba(10, 20, 36, 0.78);
}
.faq-item[open] {
  border-left-color: var(--volt);
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  padding: 22px 24px;
  font-size: 17px;
  font-weight: 700;
  color: var(--title);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-icon {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(53, 226, 202, 0.45);
  color: var(--volt);
  transition: all .25s ease;
}
.faq-icon:before,
.faq-icon:after {
  content: "";
  position: absolute;
  left: 8px;
  top: 12px;
  width: 10px;
  height: 2px;
  background: currentColor;
}
.faq-icon:after {
  transform: rotate(90deg);
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  border-color: var(--volt);
  background: rgba(53, 226, 202, 0.12);
}
.faq-answer {
  padding: 2px 24px 22px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.9;
}
.faq-answer p {
  margin: 0;
}
.cta-section {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
}
.cta-section .cta-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity: .18;
  pointer-events: none;
}
.cta-wrap {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 70px 28px;
  max-width: 900px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0) 30%), rgba(9,18,34,.82);
  border: 1px solid rgba(53, 226, 202, 0.2);
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 5, 16, 0.45);
}
.cta-wrap .section-title {
  font-size: 38px;
  margin-bottom: 12px;
}
.cta-safe {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--mute);
  font-size: 13px;
  margin-top: 24px;
}
.cta-safe svg {
  width: 16px;
  height: 16px;
  color: var(--volt);
  flex: 0 0 auto;
}
@media (max-width: 768px) {
  .cta-wrap {
    padding: 46px 20px;
  }
  .cta-wrap .section-title {
    font-size: 28px;
  }
}
.page-footer {
  border-top: 1px solid rgba(190, 220, 255, 0.12);
  background: #060D18;
  padding: 64px 0 28px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr 1.2fr;
  gap: 40px;
  margin-bottom: 46px;
}
.footer-brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--title);
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 14px;
  color: var(--mute);
  max-width: 380px;
  margin: 0;
}
.footer-title {
  font-size: 16px;
  color: var(--title);
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.footer-nav a {
  color: var(--body);
  font-size: 15px;
  transition: color .2s ease;
}
.footer-nav a:hover {
  color: var(--volt);
}
.footer-note {
  color: var(--mute);
  font-size: 15px;
  line-height: 1.9;
}
.copyright {
  border-top: 1px solid rgba(190, 220, 255, 0.08);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--mute);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* roulang page: article */
:root {
  --bg-primary: #070E19;
  --bg-secondary: #0A1424;
  --bg-panel: #0B1626;
  --glass: rgba(17, 29, 48, 0.68);
  --glass-deep: rgba(10, 20, 36, 0.82);
  --primary: #2E6BFF;
  --primary-light: #5A8FFF;
  --neon: #35E2CA;
  --amber: #F2B84B;
  --heading: #EEF5FF;
  --text: #B8C4DA;
  --muted: #7086A8;
  --border: rgba(190, 220, 255, 0.12);
  --border-strong: rgba(120, 220, 255, 0.32);
  --danger: #FF7A7F;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow: 0 12px 32px rgba(2, 8, 20, 0.35);
  --container: 1240px;
  --font-body: "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background:
    radial-gradient(1200px 520px at 22% -6%, rgba(47, 92, 168, 0.18), transparent 60%),
    linear-gradient(180deg, #071019 0%, #0a1424 52%, #070e19 100%);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.site-container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 14, 25, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
  padding-block: 12px;
  flex-wrap: wrap;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-block {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--heading);
}

.brand-sub {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #d3e1f6;
  border: 1px solid transparent;
  background: rgba(122, 158, 211, 0.08);
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.nav-pill:hover {
  background: rgba(64, 124, 246, 0.16);
  border-color: rgba(120, 174, 255, 0.3);
  color: #ffffff;
}

.nav-pill.is-active {
  background: linear-gradient(135deg, rgba(46, 107, 255, 0.34), rgba(53, 226, 202, 0.22));
  color: #ffffff;
  border-color: rgba(100, 218, 226, 0.52);
  box-shadow: 0 0 0 1px rgba(53, 226, 202, 0.2), 0 8px 24px rgba(24, 96, 255, 0.24);
}

.nav-pill:focus-visible,
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.article-side-link:focus-visible,
.breadcrumb a:focus-visible,
.footer-nav a:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 3px;
  border-radius: 8px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(80, 140, 255, 0.8);
  background: linear-gradient(135deg, #2e6bff 0%, #2454d4 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 0 0 1px rgba(50, 120, 255, 0.4), 0 8px 26px rgba(30, 130, 255, 0.24);
  transition: background 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease, color 0.22s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3d7cff 0%, #2b62e8 100%);
  box-shadow: 0 0 0 1px rgba(88, 219, 209, 0.5), 0 8px 30px rgba(53, 226, 202, 0.26);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(212, 230, 255, 0.28);
  background: transparent;
  color: #dceafc;
  font-weight: 600;
  font-size: 15px;
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.btn-ghost:hover {
  background: rgba(46, 107, 255, 0.2);
  border-color: rgba(102, 179, 255, 0.65);
  color: #ffffff;
}

/* ===== 文章页 Hero ===== */
.article-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  padding: 54px 0 44px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7, 14, 25, 0.52) 0%, rgba(8, 18, 31, 0.85) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.article-hero-soft {
  position: relative;
  min-height: 252px;
  display: flex;
  align-items: flex-end;
  padding: 48px 0 36px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7, 14, 25, 0.6) 0%, rgba(9, 20, 35, 0.92) 100%),
    url('/assets/images/coverpic/cover-2.webp') center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.article-hero-inner,
.article-hero-soft-inner {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
}

.article-breadcrumb a {
  color: #aac1e4;
  transition: color 0.2s ease;
}

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

.article-breadcrumb .breadcrumb-sep {
  color: rgba(138, 162, 196, 0.45);
  font-weight: 500;
}

.article-category-chip {
  display: inline-flex;
  align-items: center;
  max-width: max-content;
  min-height: 30px;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(53, 226, 202, 0.18);
  border: 1px solid rgba(53, 226, 202, 0.32);
  color: #dff9f5;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 15px;
}

.article-title {
  max-width: 900px;
  color: var(--heading);
  font-size: clamp(28px, 4.8vw, 42px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--muted);
}

.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta-item svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.article-source-tag {
  color: #aabfd9;
  font-weight: 600;
}

/* ===== 主体区域 ===== */
.article-layout-wrap {
  padding: 44px 0 64px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 32px;
  align-items: start;
}

.article-content-card {
  background: linear-gradient(180deg, rgba(14, 27, 46, 0.94), rgba(8, 18, 33, 0.96));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 46px);
  box-shadow: var(--shadow);
  min-width: 0;
}

.article-card-heading {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 700;
  color: var(--heading);
}

.article-rich-content {
  width: 100%;
  max-width: 780px;
  font-size: 17px;
  line-height: 1.9;
  color: #c2cfe4;
  overflow-wrap: break-word;
}

.article-rich-content > *:first-child {
  margin-top: 0;
}

.article-rich-content h2 {
  color: var(--heading);
  font-size: 27px;
  font-weight: 750;
  line-height: 1.45;
  margin: 1.6em 0 0.65em;
  padding-bottom: 0.24em;
  border-bottom: 1px solid rgba(119, 155, 201, 0.18);
  letter-spacing: -0.02em;
}

.article-rich-content h3 {
  color: var(--heading);
  font-size: 21px;
  font-weight: 700;
  margin: 1.55em 0 0.6em;
  letter-spacing: -0.01em;
}

.article-rich-content p {
  margin: 0 0 1.5em;
}

.article-rich-content strong,
.article-rich-content b {
  color: #dcedff;
  font-weight: 700;
}

.article-rich-content a {
  color: var(--primary-light);
  border-bottom: 1px solid rgba(90, 143, 255, 0.48);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.article-rich-content a:hover {
  color: var(--neon);
  border-bottom-color: rgba(53, 226, 202, 0.7);
}

.article-rich-content ul,
.article-rich-content ol {
  margin: 1em 0 1.5em;
  padding-left: 1.4em;
}

.article-rich-content li {
  margin-bottom: 0.5em;
  padding-left: 0.18em;
}

.article-rich-content li::marker {
  color: var(--neon);
}

.article-rich-content blockquote {
  margin: 1.8em 0;
  padding: 14px 22px;
  border-left: 4px solid var(--amber);
  background: rgba(242, 184, 75, 0.06);
  border-radius: 0 10px 10px 0;
  color: #c9d4e8;
  font-size: 16px;
}

.article-rich-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-rich-content img {
  border-radius: 12px;
  margin: 1.6em 0 0.6em;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
}

.article-rich-content figure {
  margin: 1.8em 0;
}

.article-rich-content figcaption {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}

.article-rich-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.4em 0 1.8em;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-size: 15px;
}

.article-rich-content th {
  background: rgba(46, 107, 255, 0.13);
  color: var(--heading);
  padding: 12px 14px;
  font-weight: 700;
  text-align: left;
}

.article-rich-content td {
  padding: 12px 14px;
  border-top: 1px solid rgba(190, 220, 255, 0.08);
  color: #b7c7df;
}

.article-rich-content code {
  background: rgba(53, 226, 202, 0.1);
  border: 1px solid rgba(53, 226, 202, 0.2);
  color: #ddfaf5;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.88em;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.article-rich-content pre {
  background: #0c1929;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
  margin: 1.4em 0;
  color: #aac6e8;
  line-height: 1.7;
}

.article-rich-content hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 2em 0;
}

/* ===== 文章末尾 ===== */
.article-end-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 28px;
  margin-top: 34px;
  border-top: 1px solid var(--border);
}

.article-back-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(46, 107, 255, 0.16);
  color: #bad0fa;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(90, 143, 255, 0.28);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.article-back-home:hover {
  color: #fff;
  background: rgba(46, 107, 255, 0.26);
  border-color: rgba(90, 143, 255, 0.55);
}

/* ===== 侧栏 ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 112px;
}

.side-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(1, 6, 15, 0.22);
}

.side-card-title {
  font-size: 17px;
  font-weight: 750;
  color: var(--heading);
  margin: 0 0 16px;
  padding-left: 12px;
  position: relative;
}

.side-card-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 17px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--primary), var(--neon));
}

.side-nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 12px;
  background: rgba(18, 34, 57, 0.68);
  border: 1px solid transparent;
  color: #b6c9e6;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.side-nav-link .arrow {
  color: var(--neon);
  font-weight: 700;
}

.side-nav-link:hover {
  background: rgba(46, 107, 255, 0.2);
  color: #fff;
  border-color: rgba(90, 143, 255, 0.32);
  transform: translateX(2px);
}

.side-visual-block {
  margin-top: 8px;
}

.side-visual-card {
  display: block;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #0c1929;
  transition: border-color 0.2s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.side-visual-card:hover {
  border-color: rgba(53, 226, 202, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(2, 8, 20, 0.42);
}

.side-visual-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.side-visual-info {
  padding: 13px 14px 15px;
}

.side-visual-info strong {
  display: block;
  color: var(--heading);
  font-size: 15px;
  margin-bottom: 4px;
  font-weight: 700;
}

.side-visual-info span {
  color: var(--muted);
  font-size: 12px;
}

/* ===== 空状态 ===== */
.not-found-box {
  text-align: center;
  padding: 40px 10px 52px;
}

.not-found-icon {
  display: inline-flex;
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: rgba(46, 107, 255, 0.12);
  border: 1px solid rgba(46, 107, 255, 0.22);
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 30px;
}

.not-found-title {
  color: var(--heading);
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 12px;
}

.not-found-text {
  color: var(--muted);
  font-size: 15px;
  max-width: 420px;
  margin: 0 auto 24px;
}

/* ===== CTA ===== */
.site-cta-band {
  position: relative;
  padding: 56px 0 64px;
  overflow: hidden;
}

.cta-glass-panel {
  position: relative;
  background: linear-gradient(180deg, rgba(16, 33, 55, 0.72), rgba(10, 21, 37, 0.9));
  border: 1px solid rgba(144, 193, 255, 0.25);
  border-radius: 24px;
  padding: clamp(30px, 5vw, 64px);
  text-align: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 20px 48px rgba(2, 6, 14, 0.42);
  overflow: hidden;
}

.cta-glass-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}

.cta-title {
  color: var(--heading);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 12px;
  position: relative;
}

.cta-sub {
  color: #aebfda;
  font-size: 16px;
  max-width: 680px;
  margin-inline: auto;
  position: relative;
}

.cta-button-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  position: relative;
}

.cta-safe-note {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 28px;
  color: #7388a8;
  font-size: 13px;
  position: relative;
}

.cta-safe-note svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--amber);
  stroke-width: 1.6;
}

/* ===== 页脚 ===== */
.page-footer {
  background: #050a12;
  border-top: 1px solid rgba(128, 166, 218, 0.14);
  padding: 52px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr 1.1fr;
  gap: 40px;
  padding-bottom: 38px;
}

.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--heading);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.footer-desc {
  color: #7288a8;
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
  margin: 0;
}

.footer-title {
  color: #b6c9e8;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  color: #7388a8;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--neon);
}

.footer-note {
  color: #5e7290;
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
}

.copyright {
  border-top: 1px solid rgba(128, 166, 218, 0.12);
  padding: 18px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: #556986;
  font-size: 13px;
}

/* ===== 响应式 ===== */
@media (max-width: 1120px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 24px;
  }
}

@media (max-width: 1024px) {
  .header-grid {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 2;
    flex: 0 0 100%;
    overflow-x: auto;
    scrollbar-width: thin;
    padding-bottom: 4px;
  }

  .nav-cta {
    order: 1;
  }

  .article-layout {
    display: block;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
  }
}

@media (max-width: 760px) {
  .site-container,
  .article-hero-inner,
  .article-hero-soft-inner {
    width: min(100% - 32px, var(--container));
  }

  .header-grid {
    flex-wrap: nowrap;
    gap: 12px;
  }

  .header-grid .brand-name {
    font-size: 19px;
  }

  .nav-cta {
    padding: 9px 14px;
    font-size: 13px;
  }

  .site-nav .nav-pill {
    font-size: 13px;
    padding: 5px 13px;
    min-height: 34px;
  }

  .article-hero {
    min-height: 300px;
    padding: 32px 0 28px;
  }

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

  .article-content-card {
    padding: 20px;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
    margin-top: 24px;
  }

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

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

@media (max-width: 520px) {
  .header-grid .brand-sub {
    display: none;
  }

  .header-grid .brand-name {
    font-size: 17px;
  }

  .nav-cta {
    min-height: 36px;
    font-size: 12px;
    padding: 8px 12px;
  }

  .article-breadcrumb {
    font-size: 13px;
  }

  .cta-glass-panel {
    padding: 28px 20px;
  }

  .cta-button-group {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-button-group .btn-primary,
  .cta-button-group .btn-ghost {
    width: 100%;
  }
}

.article-rich-content h2,
.article-rich-content h3 {
  color: var(--heading);
  text-shadow: none;
}

/* roulang page: category1 */
:root{
  --bg:#070E19;
  --bg2:#0A1424;
  --bg3:#0D1B30;
  --ink:#EEF5FF;
  --text:#B8C4DA;
  --muted:#7086A8;
  --prime:#2E6BFF;
  --prime2:#5A8FFF;
  --cyan:#35E2CA;
  --amber:#F2B84B;
  --line:rgba(190,220,255,.12);
  --line-hi:rgba(120,220,255,.35);
  --glass:rgba(17,29,48,.62);
  --glass-deep:rgba(10,20,36,.72);
  --shadow-card:0 12px 32px rgba(2,8,20,.35);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:10px;
}

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

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei UI","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(1100px 480px at 12% -8%, rgba(46,107,255,.16), transparent 60%),
    radial-gradient(900px 420px at 90% 8%, rgba(53,226,202,.07), transparent 55%),
    linear-gradient(180deg,#070E19 0%,#081120 52%,#0A1424 100%);
  background-color:var(--bg);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

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

a{
  color:inherit;
  text-decoration:none;
  transition:color .22s ease, background .22s ease, border-color .22s ease, box-shadow .22s ease, transform .22s ease, opacity .22s ease;
}

ul,ol{
  margin:0;
  padding:0;
  list-style:none;
}

button,input{
  font:inherit;
}

strong,b{
  color:#D9E7FF;
}

.site-container{
  width:min(1220px,92%);
  margin-inline:auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,14,25,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(190,220,255,.09);
  box-shadow:0 12px 36px rgba(2,8,20,.26);
}

.header-grid{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:78px;
}

.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  border-radius:14px;
}

.brand-logo:hover .brand-name{
  color:#fff;
}

.brand-logo:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:4px;
}

.brand-block{
  display:flex;
  flex-direction:column;
  line-height:1.22;
}

.brand-name{
  font-size:22px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.02em;
  white-space:nowrap;
}

.brand-sub{
  font-size:10px;
  letter-spacing:4px;
  text-transform:uppercase;
  color:var(--muted);
  margin-top:3px;
  white-space:nowrap;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(190,220,255,.08);
  border-radius:999px;
  padding:5px;
}

.nav-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:8px 17px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  border:1px solid transparent;
  letter-spacing:.01em;
  background:transparent;
}

.nav-pill:hover{
  color:var(--ink);
  background:rgba(46,107,255,.18);
  border-color:rgba(46,107,255,.24);
}

.nav-pill.is-active{
  color:#fff;
  background:linear-gradient(180deg,rgba(30,78,180,.88),rgba(22,58,138,.94));
  border-color:rgba(53,226,202,.26);
  box-shadow:0 0 0 1px rgba(53,226,202,.16),0 8px 24px rgba(18,110,255,.28);
}

.nav-pill:focus-visible,
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.text-link:focus-visible,
.flash-link:focus-visible,
details summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

.btn-primary,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border-radius:10px;
  padding:12px 22px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
}

.btn-primary{
  color:#fff;
  background:var(--prime);
  box-shadow:0 0 0 1px rgba(50,120,255,.5),0 8px 26px rgba(30,130,255,.25);
}

.btn-primary:hover{
  background:var(--prime2);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(53,226,202,.55),0 10px 32px rgba(53,226,202,.18);
}

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

.btn-ghost{
  color:var(--ink);
  background:rgba(255,255,255,.04);
  border-color:rgba(190,220,255,.20);
}

.btn-ghost:hover{
  background:rgba(46,107,255,.16);
  border-color:rgba(120,220,255,.38);
  color:#fff;
  transform:translateY(-2px);
}

.nav-cta{
  flex-shrink:0;
  padding:11px 18px;
}

/* Hero */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 92px;
  background:
    radial-gradient(800px 360px at 78% 28%, rgba(53,226,202,.10), transparent 60%),
    radial-gradient(700px 360px at 10% 10%, rgba(46,107,255,.16), transparent 55%);
}

.cat-hero-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background:url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat;
  opacity:.26;
}

.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(90deg,rgba(7,14,25,.96) 0%,rgba(7,14,25,.72) 46%,rgba(7,14,25,.34) 100%),
    linear-gradient(180deg,rgba(7,14,25,.72),rgba(7,14,25,.28) 50%,rgba(7,14,25,.84) 100%);
}

.cat-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:42px;
  align-items:center;
}

.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  font-size:14px;
  font-weight:600;
  letter-spacing:1px;
  text-transform:uppercase;
}

.eyebrow-dot{
  width:9px;
  height:9px;
  border-radius:99px;
  background:var(--cyan);
  box-shadow:0 0 16px rgba(53,226,202,.8);
}

.cat-hero h1{
  font-size:clamp(44px,6vw,62px);
  font-weight:800;
  color:var(--ink);
  line-height:1.08;
  margin:14px 0 18px;
  letter-spacing:-.02em;
}

.hero-lede{
  max-width:620px;
  font-size:17px;
  line-height:1.85;
  color:#C5D1E6;
  margin:0 0 30px;
}

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

.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
}

.meta-unit{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.meta-unit strong{
  font-size:13px;
  font-weight:500;
  color:var(--muted);
}

.meta-unit em{
  font-style:normal;
  font-weight:600;
  color:#CCE2FF;
  font-variant-numeric:tabular-nums;
}

.flash-panel{
  border-radius:24px;
  border:1px solid rgba(190,220,255,.15);
  background:rgba(14,25,44,.62);
  backdrop-filter:blur(14px);
  padding:12px;
  box-shadow:0 24px 56px rgba(2,8,20,.48), inset 0 1px 0 rgba(255,255,255,.06);
  max-width:500px;
  margin-left:auto;
}

.flash-pic{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:16/10;
}

.flash-pic img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.img-tag{
  position:absolute;
  top:14px;
  right:14px;
  font-size:12px;
  font-weight:600;
  color:#101A29;
  background:var(--amber);
  border-radius:99px;
  padding:5px 12px;
  box-shadow:0 8px 18px rgba(0,0,0,.24);
}

.flash-caption{
  padding:18px 18px 10px;
}

.flash-caption p{
  margin:10px 0 0;
  font-size:14px;
  line-height:1.7;
  color:#AFC0DC;
}

.flash-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.flash-title{
  font-size:18px;
  font-weight:700;
  color:#EDF5FF;
}

.flash-sub{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--cyan);
  background:rgba(53,226,202,.1);
  border:1px solid rgba(53,226,202,.14);
  border-radius:99px;
  padding:4px 10px;
  white-space:nowrap;
}

.flash-actions{
  margin-top:16px;
}

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

.flash-link:hover{
  color:#fff;
}

/* generic content block */
.content-block{
  padding:96px 0;
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:30px;
  margin-bottom:42px;
}

.section-kicker{
  display:inline-block;
  color:var(--cyan);
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:8px;
}

.section-head h2,
.faq-intro h2,
.channel-card h2{
  font-size:clamp(28px,3.2vw,36px);
  line-height:1.28;
  font-weight:800;
  color:var(--ink);
  margin:0 0 6px;
  letter-spacing:-.015em;
}

.section-desc{
  max-width:580px;
  margin:0;
  color:#AEC0DC;
}

/* lead feature */
.service-section{
  padding-bottom:40px;
}

.feature-lead{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  background:linear-gradient(145deg,rgba(18,32,56,.66),rgba(8,17,32,.74));
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}

.feature-media{
  position:relative;
  min-height:320px;
}

.feature-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}

.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,transparent 58%,rgba(8,17,32,.58));
}

.feature-body{
  padding:42px 44px;
}

.feature-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--amber);
  background:rgba(242,184,75,.1);
  border:1px solid rgba(242,184,75,.18);
  border-radius:99px;
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  margin-bottom:18px;
}

.feature-body h3{
  font-size:26px;
  line-height:1.35;
  color:#EDF5FF;
  font-weight:800;
  margin:0 0 14px;
}

.feature-body p{
  color:var(--text);
  margin:0 0 20px;
}

.feature-list{
  margin-bottom:24px;
  display:grid;
  gap:10px;
}

.feature-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:#C6D4E9;
}

.li-mark{
  color:var(--cyan);
  font-weight:700;
  line-height:1.35;
}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--cyan);
  font-weight:600;
  font-size:15px;
  border-bottom:1px solid transparent;
}

.text-link:hover{
  color:#fff;
  border-bottom-color:var(--cyan);
}

.secondary-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
  margin-top:22px;
}

.feature-card{
  display:grid;
  grid-template-columns:.86fr 1.14fr;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}

.feature-card .card-media{
  position:relative;
  min-height:180px;
}

.feature-card .card-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}

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

.card-content h4{
  font-size:19px;
  color:#EAF3FF;
  font-weight:750;
  margin:0 0 10px;
}

.card-content p{
  font-size:14px;
  line-height:1.72;
  margin:0 0 14px;
  color:#A9BCDB;
}

.mini-link{
  color:var(--prime2);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:5px;
}

.mini-link:hover{
  color:var(--cyan);
}

/* direction band */
.direction-section{
  background:
    radial-gradient(720px 300px at 50% 0%,rgba(46,107,255,.14),transparent 60%),
    rgba(10,20,36,.9);
  border-block:1px solid rgba(190,220,255,.07);
}

.topic-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.topic-card{
  position:relative;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px 24px;
  overflow:hidden;
  box-shadow:0 12px 28px rgba(2,8,20,.24);
}

.topic-card::before{
  content:"";
  position:absolute;
  top:0;
  left:24px;
  right:24px;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(53,226,202,.8),transparent);
}

.topic-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-hi);
  background:rgba(255,255,255,.05);
}

.topic-symbol{
  display:inline-block;
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:800;
  letter-spacing:1px;
  color:var(--cyan);
  margin-bottom:14px;
}

.topic-card h3{
  font-size:19px;
  color:#E9F3FF;
  font-weight:750;
  margin:0 0 8px;
}

.topic-card p{
  font-size:14px;
  line-height:1.72;
  color:#A6B8D4;
  margin:0;
}

.topic-labels{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-top:18px;
}

.mini-chip{
  font-size:12px;
  color:#B9CDEF;
  border:1px solid rgba(190,220,255,.14);
  background:rgba(190,220,255,.04);
  border-radius:99px;
  padding:3px 10px;
}

/* route */
.path-section{
  background:linear-gradient(180deg,rgba(7,14,25,.35),rgba(9,20,36,.9));
}

.route-list{
  counter-reset:route;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.route-item{
  position:relative;
  background:rgba(16,28,49,.66);
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px 22px;
  box-shadow:0 10px 26px rgba(2,8,20,.3);
}

.route-item:not(:last-child)::after{
  content:"";
  position:absolute;
  top:44px;
  right:-22px;
  width:22px;
  border-top:1px dashed rgba(53,226,202,.45);
}

.route-no{
  font-size:30px;
  font-weight:800;
  color:rgba(53,226,202,.95);
  line-height:1;
  display:block;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}

.route-item h3{
  font-size:19px;
  font-weight:750;
  color:#E9F3FF;
  margin:0 0 8px;
}

.route-item p{
  font-size:14px;
  color:#A6B8D4;
  margin:0;
  line-height:1.7;
}

/* channel switcher */
.channel-wrap{
  padding:0 0 96px;
  margin-top:10px;
}

.channel-card{
  background:
    radial-gradient(620px 240px at 80% 0%,rgba(53,226,202,.09),transparent 55%),
    linear-gradient(140deg,rgba(19,34,61,.72),rgba(8,17,31,.92));
  border:1px solid rgba(190,220,255,.1);
  border-radius:24px;
  text-align:center;
  padding:50px 34px;
  box-shadow:var(--shadow-card);
}

.channel-card h2{
  margin:0 0 10px;
}

.channel-card p{
  color:#AEBEDC;
  margin:0 auto 28px;
  max-width:600px;
}

.channel-tabs{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
}

.channel-tabs .nav-pill{
  font-size:15px;
  padding:10px 20px;
}

/* faq */
.faq-section{
  background:rgba(7,14,25,.52);
}

.faq-grid{
  display:grid;
  grid-template-columns:.38fr .62fr;
  gap:46px;
  align-items:start;
}

.faq-intro{
  position:sticky;
  top:120px;
}

.faq-intro p{
  max-width:420px;
  margin:14px 0 24px;
  color:#A7BBDD;
}

.faq-cta-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--cyan);
  font-weight:600;
  font-size:15px;
}

.faq-list{
  border-top:1px solid transparent;
}

.faq-item{
  background:rgba(13,24,44,.55);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s ease;
}

.faq-item:hover{
  border-color:rgba(120,220,255,.24);
}

.faq-item summary{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  list-style:none;
  cursor:pointer;
  font-weight:650;
  color:#DCEAFD;
  font-size:16px;
}

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

.faq-item summary:hover{
  color:#fff;
}

.faq-icon{
  width:30px;
  height:30px;
  flex:0 0 30px;
  border-radius:50%;
  border:1px solid rgba(53,226,202,.35);
  color:var(--cyan);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:500;
  background:rgba(53,226,202,.08);
  transition:transform .24s ease, background .24s ease, border-color .24s ease;
}

.faq-answer{
  padding:4px 22px 20px;
  color:#AABBD8;
  line-height:1.8;
  font-size:15px;
}

.faq-answer p{
  margin:0 0 10px;
}

.faq-answer p:last-child{
  margin:0;
}

.faq-item[open] summary{
  color:#fff;
}

.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  background:rgba(53,226,202,.15);
}

/* CTA */
.cta-section{
  position:relative;
  padding:96px 0 104px;
  overflow:hidden;
}

.cta-backdrop{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-3.webp') center 35% / cover no-repeat;
  opacity:.28;
  z-index:-2;
}

.cta-section::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:radial-gradient(900px 360px at 50% 100%,rgba(46,107,255,.2),transparent 60%),
    linear-gradient(180deg,rgba(7,14,25,.78),rgba(7,14,25,.95));
}

.cta-panel{
  max-width:840px;
  margin-inline:auto;
  text-align:center;
  background:rgba(13,23,42,.78);
  border:1px solid rgba(190,220,255,.14);
  border-radius:24px;
  padding:54px 30px;
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow-card);
}

.cta-panel h2{
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  color:#F0F6FF;
  margin:0 0 16px;
  line-height:1.25;
}

.cta-panel p{
  max-width:620px;
  margin:0 auto 32px;
  color:#BFCFE8;
  font-size:16px;
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-bottom:24px;
}

.cta-note{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  color:#7189A9;
  font-size:13px;
}

.cta-note svg{
  flex:0 0 auto;
}

/* footer */
.page-footer{
  background:#050A13;
  border-top:1px solid rgba(190,220,255,.08);
  padding:64px 0 0;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.1fr .8fr 1.1fr;
  gap:42px;
  padding-bottom:44px;
}

.footer-brand{
  font-size:22px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:12px;
  letter-spacing:.02em;
}

.footer-desc,
.footer-note{
  font-size:14px;
  line-height:1.8;
  color:#8194B4;
  margin:0;
}

.footer-title{
  font-size:15px;
  font-weight:700;
  color:#C8D9F2;
  margin-bottom:14px;
}

.footer-nav{
  display:grid;
  gap:9px;
}

.footer-nav a{
  color:#8194B4;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}

.footer-nav a:before{
  content:"";
  width:5px;
  height:5px;
  border-radius:99px;
  background:rgba(53,226,202,.65);
}

.footer-nav a:hover{
  color:#fff;
}

.copyright{
  border-top:1px solid rgba(190,220,255,.07);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:#5D718D;
}

/* responsive */
@media (max-width:1100px){
  .feature-lead{
    grid-template-columns:1fr;
  }
  .feature-media{
    min-height:260px;
  }
  .feature-media::after{
    background:linear-gradient(0deg,rgba(8,17,32,.6),transparent 45%);
  }
  .topic-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .route-item:not(:last-child)::after{
    display:none;
  }
  .faq-grid{
    grid-template-columns:1fr;
    gap:30px;
  }
  .faq-intro{
    position:static;
  }
}

@media (max-width:960px){
  .header-grid{
    flex-wrap:wrap;
    row-gap:10px;
    padding:12px 0 10px;
    min-height:auto;
  }
  .brand-logo{
    margin-right:auto;
  }
  .site-nav{
    order:3;
    width:100%;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    justify-content:flex-start;
  }
  .site-nav::-webkit-scrollbar{
    display:none;
  }
  .site-nav .nav-pill{
    flex:0 0 auto;
  }
  .nav-cta{
    order:2;
  }
  .cat-hero-grid{
    grid-template-columns:1fr;
  }
  .flash-panel{
    margin-left:0;
  }
}

@media (max-width:760px){
  .content-block,
  .cat-hero,
  .cta-section{
    padding:60px 0;
  }
  .channel-wrap{
    padding-bottom:60px;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
    margin-bottom:30px;
  }
  .route-list{
    grid-template-columns:1fr;
  }
  .secondary-grid{
    grid-template-columns:1fr;
  }
  .feature-card{
    grid-template-columns:1fr;
  }
  .feature-card .card-media{
    min-height:170px;
  }
  .feature-body{
    padding:30px 24px;
  }
  .topic-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .copyright{
    flex-direction:column;
  }
  .hero-meta{
    gap:18px;
  }
  .cta-panel{
    padding:36px 18px;
  }
  .channel-card{
    padding:36px 16px;
  }
  .category-hero h1{
    font-size:36px;
  }
}

@media (max-width:520px){
  .site-container{
    width:88%;
  }
  .brand-name{
    font-size:20px;
  }
  .brand-sub{
    font-size:9px;
    letter-spacing:2px;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost,
  .cta-actions .btn-primary,
  .cta-actions .btn-ghost{
    width:100%;
  }
  .route-item{
    padding:20px 16px;
  }
  .topic-card{
    padding:22px 16px;
  }
  .faq-item summary{
    padding:17px 16px;
    font-size:15px;
  }
  .faq-answer{
    padding:2px 16px 18px;
    font-size:14px;
  }
}

/* roulang page: category2 */
:root {
            --bg-deep: #070E19;
            --bg-body: #0B1626;
            --bg-soft: #0A1424;
            --glass-panel: rgba(17, 29, 48, 0.72);
            --glass-deep: rgba(8, 16, 30, 0.66);
            --line: rgba(190, 220, 255, 0.12);
            --line-bright: rgba(120, 220, 255, 0.35);
            --blue: #2E6BFF;
            --blue-hover: #5A8FFF;
            --cyan: #35E2CA;
            --amber: #F2B84B;
            --red: #FF7A7F;
            --title: #EEF5FF;
            --body: #B8C4DA;
            --muted: #7086A8;
            --radius-xl: 20px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 12px 32px rgba(2, 8, 20, 0.35);
            --shadow-glow: 0 0 0 1px rgba(50, 120, 255, 0.45), 0 8px 28px rgba(30, 130, 255, 0.22);
            --shadow-cyan: 0 0 0 1px rgba(53, 226, 202, 0.35), 0 8px 28px rgba(53, 226, 202, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background:
                radial-gradient(900px 480px at 88% -5%, rgba(46, 107, 255, 0.14), transparent 60%),
                radial-gradient(760px 420px at -5% 16%, rgba(53, 226, 202, 0.07), transparent 55%),
                linear-gradient(180deg, #070E19 0%, #0B1626 42%, #070E19 100%);
            background-repeat: no-repeat;
            background-attachment: fixed;
            color: var(--body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
            min-height: 100vh;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
            border: 0;
            background: none;
        }

        .site-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 clamp(18px, 4vw, 36px);
        }

        .site-section {
            padding: clamp(68px, 8vw, 104px) 0;
            position: relative;
        }

        .section-tint {
            background:
                radial-gradient(880px 300px at 18% 22%, rgba(46, 107, 255, 0.10), transparent 68%),
                linear-gradient(180deg, rgba(7, 15, 27, 0.78), rgba(7, 15, 27, 0.42));
            border-top: 1px solid rgba(190, 220, 255, 0.07);
            border-bottom: 1px solid rgba(190, 220, 255, 0.07);
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-kicker::before {
            content: "";
            display: inline-block;
            width: 26px;
            height: 1px;
            background: var(--cyan);
            box-shadow: 0 0 12px rgba(53, 226, 202, 0.5);
        }

        .section-title {
            color: var(--title);
            font-size: clamp(30px, 3.8vw, 42px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-lead {
            color: var(--muted);
            margin-top: 14px;
            max-width: 660px;
            font-size: 16px;
        }

        /* ========== Header 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(7, 14, 25, 0.78);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(190, 220, 255, 0.09);
            box-shadow: 0 8px 28px rgba(2, 8, 20, 0.28);
        }

        .header-grid {
            display: grid;
            grid-template-columns: auto minmax(0, 1fr) auto;
            align-items: center;
            gap: 18px;
            min-height: 78px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            border-radius: 10px;
        }

        .brand-logo:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 4px;
        }

        .brand-block {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .brand-name {
            color: var(--title);
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .brand-sub {
            color: var(--muted);
            font-size: 10px;
            letter-spacing: 0.32em;
            text-transform: uppercase;
            line-height: 1.2;
        }

        .site-nav {
            display: flex;
            justify-content: center;
            gap: 8px;
        }

        .nav-pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 20px;
            border-radius: 999px;
            border: 1px solid transparent;
            color: var(--body);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
        }

        .nav-pill:hover {
            color: var(--title);
            background: rgba(46, 107, 255, 0.12);
            border-color: rgba(120, 220, 255, 0.22);
        }

        .nav-pill.is-active {
            color: #fff;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.4), rgba(53, 226, 202, 0.14));
            border-color: rgba(120, 220, 255, 0.42);
            box-shadow: 0 0 0 1px rgba(53, 226, 202, 0.10), 0 0 24px rgba(53, 226, 202, 0.14);
            font-weight: 600;
        }

        .nav-pill:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(180deg, #2E6BFF 0%, #164FE0 100%);
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
            padding: 11px 24px;
            border-radius: 10px;
            border: 1px solid rgba(120, 220, 255, 0.28);
            box-shadow: var(--shadow-glow);
            transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
        }

        .btn-primary:hover {
            background: linear-gradient(180deg, #4A84FF 0%, #2E6BFF 100%);
            border-color: rgba(120, 220, 255, 0.6);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-2px);
        }

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

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 10px;
            border: 1px solid rgba(190, 220, 255, 0.26);
            color: #D8E6FF;
            background: rgba(255, 255, 255, 0.02);
            font-weight: 500;
            white-space: nowrap;
            transition: transform 0.2s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
        }

        .btn-ghost:hover {
            border-color: rgba(120, 220, 255, 0.65);
            background: rgba(46, 107, 255, 0.12);
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-cta {
            padding: 9px 20px;
            font-size: 14px;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            overflow: hidden;
            padding: 72px 0 90px;
            border-bottom: 1px solid rgba(190, 220, 255, 0.06);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.16;
            filter: saturate(0.9);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(80% 100% at 18% 30%, rgba(7, 14, 25, 0.42), transparent 70%),
                linear-gradient(90deg, rgba(7, 14, 25, 0.96) 0%, rgba(11, 22, 38, 0.76) 52%, rgba(7, 14, 25, 0.94) 100%);
            pointer-events: none;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
            gap: 48px;
            align-items: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(53, 226, 202, 0.08);
            border: 1px solid rgba(53, 226, 202, 0.24);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 22px;
        }

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

        .hero-title {
            color: var(--title);
            font-size: clamp(38px, 5vw, 58px);
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .hero-lead {
            color: var(--body);
            font-size: 17px;
            line-height: 1.85;
            max-width: 620px;
        }

        .hero-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: #D7E6FF;
            background: rgba(46, 107, 255, 0.10);
            border: 1px solid rgba(120, 220, 255, 0.18);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }

        .hero-visual {
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid rgba(190, 220, 255, 0.14);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), transparent 35%), rgba(17, 29, 48, 0.78);
            box-shadow: 0 20px 44px rgba(2, 8, 20, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
        }

        .hero-visual img {
            width: 100%;
            height: clamp(240px, 32vw, 330px);
            object-fit: cover;
        }

        .hero-visual-body {
            padding: 20px 22px 24px;
        }

        .hero-visual-label {
            color: var(--title);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .mini-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mini-pill {
            font-size: 13px;
            color: var(--body);
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(190, 220, 255, 0.14);
        }

        .mini-pill.cyan {
            color: var(--cyan);
            border-color: rgba(53, 226, 202, 0.38);
            background: rgba(53, 226, 202, 0.08);
        }

        /* ========== 统一玻璃卡片 ========== */
        .glasscard {
            position: relative;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), transparent 34%), rgba(10, 20, 36, 0.76);
            border: 1px solid rgba(190, 220, 255, 0.12);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

        .glasscard:hover {
            border-color: rgba(120, 220, 255, 0.32);
            box-shadow: 0 16px 36px rgba(2, 8, 20, 0.45), 0 0 0 1px rgba(120, 220, 255, 0.08);
            transform: translateY(-3px);
        }

        .glasscard::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(255, 255, 255, 0.055) 0%, transparent 36%);
            opacity: 0;
            transition: opacity 0.25s ease;
            pointer-events: none;
        }

        .glasscard:hover::after {
            opacity: 1;
        }

        /* ========== 板块：登录前确认 ========== */
        .assure-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 20px;
            margin-top: 44px;
        }

        .assure-card {
            padding: 30px 28px 32px;
            position: relative;
        }

        .card-idx {
            display: block;
            font-size: 46px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, rgba(53, 226, 202, 0.9), rgba(46, 107, 255, 0.85));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 24px;
        }

        .assure-card h3 {
            color: var(--title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .assure-card p {
            color: var(--body);
            font-size: 15px;
        }

        .tick-list {
            margin-top: 16px;
            display: grid;
            gap: 8px;
        }

        .tick-list li {
            position: relative;
            padding-left: 18px;
            font-size: 14px;
            color: #9BB5D9;
        }

        .tick-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.62em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 7px rgba(53, 226, 202, 0.8);
        }

        /* ========== 板块：栏目内容卡 ========== */
        .spot-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 22px;
            margin-top: 46px;
        }

        .spot-card--wide {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
            align-items: stretch;
        }

        .spot-card--wide .spot-media {
            min-height: 100%;
        }

        .spot-media {
            position: relative;
            overflow: hidden;
            background: #0A1424;
        }

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

        .glasscard:hover .spot-media img {
            transform: scale(1.025);
        }

        .spot-card:not(.spot-card--wide) .spot-media {
            aspect-ratio: 16 / 10;
            border-bottom: 1px solid rgba(190, 220, 255, 0.08);
        }

        .spot-card--wide .spot-media {
            border-right: 1px solid rgba(190, 220, 255, 0.08);
        }

        .spot-body {
            position: relative;
            padding: 24px 26px 28px;
            z-index: 1;
        }

        .spot-card--wide .spot-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 34px 38px;
        }

        .spot-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: var(--amber);
            background: rgba(242, 184, 75, 0.10);
            border: 1px solid rgba(242, 184, 75, 0.28);
            margin-bottom: 14px;
        }

        .spot-body h3 {
            color: var(--title);
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .spot-body p {
            color: var(--body);
            font-size: 15px;
            line-height: 1.8;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--cyan);
            font-size: 14px;
            margin-top: 18px;
            font-weight: 500;
        }

        .text-link:hover {
            color: #7BFFE8;
        }

        .text-link svg {
            width: 16px;
            height: 16px;
        }

        /* ========== 板块：访问路径 ========== */
        .process-track {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 18px;
            margin-top: 44px;
            position: relative;
        }

        .process-item {
            position: relative;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent 32%), rgba(12, 24, 43, 0.72);
            border: 1px solid rgba(190, 220, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px 26px;
            transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

        .process-item:hover {
            border-color: rgba(120, 220, 255, 0.34);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 8px;
            border-radius: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            background: linear-gradient(135deg, #2E6BFF, #1B52DF);
            border: 1px solid rgba(120, 220, 255, 0.3);
            box-shadow: 0 0 18px rgba(53, 226, 202, 0.12);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .process-item h3 {
            color: var(--title);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-item p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ========== 板块：场景建议 ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
            margin-top: 44px;
        }

        .scenario-item {
            background: rgba(13, 26, 46, 0.6);
            border: 1px solid rgba(190, 220, 255, 0.11);
            border-radius: var(--radius-lg);
            padding: 24px 26px;
            display: flex;
            gap: 18px;
            transition: border-color 0.22s ease, background 0.22s ease;
        }

        .scenario-item:hover {
            border-color: rgba(120, 220, 255, 0.32);
            background: rgba(17, 32, 54, 0.72);
        }

        .scenario-icon {
            flex: 0 0 auto;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: grid;
            place-items: center;
            background: rgba(46, 107, 255, 0.12);
            border: 1px solid rgba(120, 220, 255, 0.2);
            color: var(--cyan);
        }

        .scenario-icon svg {
            width: 20px;
            height: 20px;
        }

        .scenario-item h3 {
            color: var(--title);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .scenario-item p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ========== FAQ ========== */
        .faq-grid {
            display: grid;
            grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
            gap: 36px;
            align-items: start;
            margin-top: 20px;
        }

        .faq-side {
            padding-top: 8px;
        }

        .faq-side .section-lead {
            margin-top: 16px;
        }

        .faq-list {
            display: grid;
            gap: 12px;
        }

        .faq-item {
            background: rgba(12, 24, 43, 0.62);
            border: 1px solid rgba(190, 220, 255, 0.12);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .faq-item[open] {
            border-color: rgba(120, 220, 255, 0.36);
            background: rgba(15, 30, 52, 0.8);
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: #E7F0FF;
            font-weight: 600;
            padding: 20px 22px;
            transition: color 0.2s ease;
        }

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

        .faq-item summary:hover {
            color: #fff;
        }

        .faq-item summary::after {
            content: "+";
            flex: 0 0 auto;
            font-size: 22px;
            color: var(--muted);
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .faq-item[open] summary::after {
            content: "−";
            color: var(--cyan);
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px 22px;
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
        }

        /* ========== 栏目切换 ========== */
        .channel-switch-panel {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 24px;
            align-items: center;
            padding: 32px 36px;
            border-radius: var(--radius-xl);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent 36%), rgba(10, 20, 36, 0.8);
            border: 1px solid rgba(120, 220, 255, 0.16);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.04);
        }

        .channel-switch-panel .section-kicker {
            margin-bottom: 6px;
        }

        .channel-switch-panel h2 {
            color: var(--title);
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .channel-switch-panel p {
            color: var(--muted);
            font-size: 14px;
        }

        .switch-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: flex-end;
        }

        /* ========== CTA ========== */
        .cta-wrap {
            position: relative;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            border: 1px solid rgba(190, 220, 255, 0.16);
            background: rgba(11, 22, 38, 0.84);
            box-shadow: 0 24px 60px rgba(2, 8, 20, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            text-align: center;
            padding: 80px 28px 70px;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.14;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: var(--title);
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .cta-content .cta-desc {
            color: var(--body);
            font-size: 16px;
            margin: 14px auto 28px;
            max-width: 540px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .safe-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 28px;
            color: var(--muted);
            font-size: 13px;
        }

        .safe-note svg {
            width: 16px;
            height: 16px;
            color: var(--cyan);
            flex: 0 0 auto;
        }

        /* ========== Footer ========== */
        .page-footer {
            background: #060D17;
            border-top: 1px solid rgba(190, 220, 255, 0.08);
            padding: 62px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.9fr 1.4fr;
            gap: 36px;
            padding-bottom: 40px;
        }

        .footer-brand {
            color: var(--title);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .footer-desc,
        .footer-note {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
        }

        .footer-title {
            color: var(--title);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-nav {
            display: grid;
            gap: 6px;
        }

        .footer-nav li a {
            color: var(--muted);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-nav li a:hover {
            color: var(--cyan);
            padding-left: 3px;
        }

        .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            color: #5B6F8D;
            font-size: 13px;
            padding: 20px 0;
            border-top: 1px solid rgba(190, 220, 255, 0.08);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1119px) {
            .header-grid {
                grid-template-columns: minmax(0, 1fr) auto;
                min-height: 0;
                padding: 12px 0 8px;
                gap: 6px 16px;
            }

            .brand-logo {
                grid-column: 1 / 2;
            }

            .nav-cta {
                grid-column: 2 / 3;
            }

            .site-nav {
                grid-column: 1 / -1;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                scrollbar-width: none;
                padding-bottom: 4px;
                gap: 6px;
            }

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

            .hero-grid {
                gap: 30px;
            }
        }

        @media (max-width: 960px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }

            .hero-visual img {
                height: 260px;
            }

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

            .process-track {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 16px;
            }

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

            .channel-switch-panel {
                grid-template-columns: 1fr;
                padding: 26px;
            }

            .switch-links {
                justify-content: flex-start;
            }

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

            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 760px) {
            .site-section {
                padding: 56px 0;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                flex: 1 1 100%;
            }

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

            .spot-card--wide {
                grid-template-columns: 1fr;
            }

            .spot-card--wide .spot-media {
                border-right: 0;
                border-bottom: 1px solid rgba(190, 220, 255, 0.08);
                min-height: 210px;
            }

            .spot-card:not(.spot-card--wide) .spot-media {
                aspect-ratio: 4 / 3;
            }

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

            .process-track {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                padding: 52px 20px 48px;
            }

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

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

            .footer-grid>div:first-child {
                grid-column: auto;
            }
        }

        @media (max-width: 480px) {
            .navbar-cta span {
                display: none;
            }

            .brand-name {
                font-size: 18px;
            }

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

            .switch-links,
            .switch-links .nav-pill {
                width: 100%;
            }

            .switch-links .nav-pill {
                justify-content: center;
            }

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