/* roulang page: index */
:root {
  --bg-primary: #0A1118;
  --bg-deep: #070C12;
  --c-primary: #00C2FF;
  --c-secondary: #7457FE;
  --c-success: #20E3A0;
  --c-glow: #FFC260;
  --glass-bg: rgba(255,255,255,0.055);
  --glass-border: rgba(255,255,255,0.14);
  --glass-highlight: rgba(255,255,255,0.28);
  --text-main: #EAF2FA;
  --text-secondary: #9AABC0;
  --text-muted: #61758C;
  --line: rgba(255,255,255,0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 20px 50px rgba(0,0,0,0.28);
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --header-height: 122px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.75;
  color: var(--text-main);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

a:hover {
  color: #55D3FF;
}

ul,
ol,
figure {
  margin: 0;
  padding: 0;
}

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

input:focus,
button:focus,
a:focus,
summary:focus {
  outline: 2px solid rgba(0,194,255,.7);
  outline-offset: 2px;
}

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

.grid-container, .container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 88px 0;
  position: relative;
}

.section[id],
div[id],
section[id],
footer[id] {
  scroll-margin-top: 150px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--c-primary), transparent);
}

h1, h2, h3, h4 {
  color: var(--text-main);
  line-height: 1.35;
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -.02em;
}

h1 {
  font-size: clamp(36px, 5.2vw, 54px);
  max-width: 960px;
}

h2 {
  font-size: clamp(27px, 3.2vw, 34px);
  max-width: 800px;
}

h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

p {
  margin: 0 0 16px;
  color: var(--text-secondary);
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), inset 0 1px 0 var(--glass-highlight);
}

.section-head {
  margin-bottom: 34px;
}

.section-head .lead {
  font-size: 17px;
  max-width: 640px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .2s ease, color .2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #00C2FF 0%, #17A8F5 100%);
  color: #07121D;
  border-color: transparent;
  box-shadow: 0 10px 28px rgba(0,194,255,.22);
}

.btn-primary:hover {
  color: #061018;
  transform: translateY(-2px);
  box-shadow: 0 16px 38px rgba(0,194,255,.32);
  background: linear-gradient(135deg, #15CEFF 0%, #00A9E6 100%);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 16px rgba(0,194,255,.16);
}

.btn-ghost {
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.16);
  color: var(--text-main);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
}

.btn-ghost:hover {
  color: #fff;
  border-color: rgba(0,194,255,.45);
  background: rgba(0,194,255,.08);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 15px;
  font-size: 13px;
  border-radius: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background-color: rgba(255,255,255,.03);
}

.badge i {
  color: var(--c-success);
  font-size: 11px;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--c-primary);
  background: rgba(0,194,255,.1);
  border: 1px solid rgba(0,194,255,.18);
  border-radius: 999px;
  padding: 4px 12px;
  line-height: 1.5;
  white-space: nowrap;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(7,12,18,.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}

.site-header.is-scrolled {
  border-bottom-color: rgba(255,255,255,.07);
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  flex: 0 0 auto;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -.02em;
  color: #fff;
  background: linear-gradient(145deg, rgba(0,194,255,.20), rgba(116,87,254,.28));
  border: 1px solid rgba(116,87,254,.45);
  box-shadow: 0 0 22px rgba(0,194,255,.14), inset 0 0 12px rgba(0,194,255,.1);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.brand-domain {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: .02em;
  white-space: nowrap;
}

.brand-name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -.01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  overflow: hidden;
  height: 38px;
  min-width: 200px;
  transition: border-color .2s, background .2s;
}

.header-search:focus-within {
  border-color: rgba(0,194,255,.45);
  background: rgba(255,255,255,.07);
  box-shadow: 0 0 0 3px rgba(0,194,255,.08);
}

.header-search input {
  border: 0;
  background: transparent;
  padding: 0 4px 0 16px;
  color: var(--text-main);
  font-size: 13px;
  height: 100%;
  width: 100%;
  line-height: 1;
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-search input:focus {
  outline: none;
}

.header-search button {
  background: transparent;
  border: 0;
  width: 42px;
  height: 36px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .2s;
}

.header-search button:hover {
  color: var(--c-primary);
}

.search-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
}

.channel-row {
  padding: 4px 0 10px;
  border-top: 1px solid rgba(255,255,255,.05);
}

.channel-tabs {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0 4px;
  margin: 0;
  scrollbar-width: none;
}

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

.channel-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  transition: all .2s;
}

.channel-tab:hover {
  color: var(--text-main);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
}

.channel-tab.is-active {
  color: var(--c-primary);
  background: rgba(0,194,255,.1);
  border-color: rgba(0,194,255,.26);
  box-shadow: 0 0 16px rgba(0,194,255,.08);
}

.mobile-search-panel {
  display: none;
  padding: 0 0 10px;
}

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

.mobile-search-panel form {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  overflow: hidden;
  height: 40px;
}

.mobile-search-panel input {
  flex: 1;
  height: 100%;
  border: 0;
  background: transparent;
  padding: 0 16px;
  color: var(--text-main);
  font-size: 14px;
  min-width: 0;
}

.mobile-search-panel input:focus {
  outline: none;
}

.mobile-search-panel button {
  width: 46px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: calc(100vh - 128px);
  min-height: 760px;
  padding: 160px 0 76px;
  background-image:
    linear-gradient(90deg, rgba(7,12,18,.86) 0%, rgba(7,12,18,.58) 55%, rgba(10,17,24,.28) 100%),
    radial-gradient(circle at 72% 48%, rgba(116,87,254,.20) 0%, transparent 52%),
    radial-gradient(circle at 18% 78%, rgba(0,194,255,.14) 0%, transparent 42%),
    linear-gradient(180deg, rgba(7,12,18,.15) 0%, rgba(7,12,18,.78) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 120%, rgba(32,227,160,.08), transparent 45%);
}

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

.hero-content {
  max-width: 680px;
  padding: 22px 0;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.hero-content h1 {
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 26px;
}

.hero-safe {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.hero-safe span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
}

.hero-safe i {
  color: var(--c-success);
}

/* Quick entry */
.quick-entry {
  background: var(--bg-deep);
}

.quick-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-auto-rows: 168px;
  gap: 16px;
}

.quick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 20px 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s ease;
}

.quick-card::before {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  right: -50px;
  top: -50px;
  border-radius: 50%;
  opacity: .2;
  background: radial-gradient(circle, rgba(0,194,255,.55), transparent 70%);
  pointer-events: none;
}

.quick-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0,194,255,.32);
  box-shadow: 0 16px 36px rgba(0,0,0,.28), 0 0 0 1px rgba(0,194,255,.16), 0 8px 36px rgba(0,194,255,.14);
}

.quick-card--main {
  grid-row: span 2;
  background:
    linear-gradient(135deg, rgba(0,194,255,.08) 0%, rgba(116,87,254,.09) 45%, rgba(255,255,255,.04) 100%),
    rgba(255,255,255,.04);
  padding: 26px 24px 22px;
}

.quick-card--main::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, transparent 50%, rgba(7,12,18,.45) 100%);
  pointer-events: none;
}

.quick-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(145deg, rgba(0,194,255,.3), rgba(116,87,254,.38));
  border: 1px solid rgba(0,194,255,.24);
  box-shadow: 0 8px 22px rgba(0,0,0,.18), inset 0 0 10px rgba(0,194,255,.12);
  font-size: 17px;
}

.quick-card h3 {
  margin: 1px 0 6px;
  font-size: 17px;
}

.quick-card small,
.quick-card p {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.quick-card--main h3 {
  font-size: 22px;
}

.quick-card--main p {
  font-size: 15px;
  max-width: 272px;
}

.quick-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 600;
  margin-top: auto;
}

.quick-card:hover .quick-link i {
  transform: translateX(3px);
}

.quick-link i {
  transition: transform .2s;
}

.quick-card--main .quick-card-content {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Brand story */
.brand-story {
  background: var(--bg-primary);
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.story-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255,255,255,.1);
}

.story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

.story-media::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06), inset 0 -80px 60px rgba(7,12,18,.55);
}

.story-copy p {
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 20px;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 13px;
  margin-top: 22px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-main);
  line-height: 1.6;
}

.check-list li i {
  color: var(--c-success);
  margin-top: 5px;
  font-size: 14px;
  flex: 0 0 auto;
}

/* Latest list */
.latest-section {
  background: var(--bg-deep);
}

.latest-list {
  display: grid;
  gap: 16px;
}

.news-item {
  display: grid;
  grid-template-columns: 168px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 22px 26px;
  border-radius: 16px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.09);
  transition: border-color .25s, background .25s, transform .25s;
}

.news-item:hover {
  border-color: rgba(0,194,255,.25);
  background: rgba(255,255,255,.06);
  transform: translateY(-2px);
}

.news-meta {
  display: flex;
  flex-direction: column;
  gap: 9px;
  align-items: flex-start;
}

.news-date {
  font-size: 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-date i {
  font-size: 11px;
}

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

.news-content h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.news-content h3 a {
  color: var(--text-main);
  text-decoration: none;
}

.news-content h3 a:hover {
  color: var(--c-primary);
}

.news-content p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text-secondary);
  background: rgba(255,255,255,.03);
  transition: all .2s;
}

.news-item:hover .news-arrow {
  color: var(--c-primary);
  border-color: rgba(0,194,255,.28);
  background: rgba(0,194,255,.06);
}

.empty-state {
  padding: 38px 20px;
  text-align: center;
  border: 1px dashed rgba(255,255,255,.15);
  border-radius: 16px;
  color: var(--text-muted);
  background: rgba(255,255,255,.02);
}

.empty-state i {
  font-size: 24px;
  margin-bottom: 10px;
  display: block;
  opacity: .6;
}

/* Trust bar */
.trust-section {
  background: var(--bg-primary);
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 4px 6px;
  border-radius: 20px;
  overflow: hidden;
}

.trust-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 18px;
}

.trust-item + .trust-item {
  border-left: 1px solid rgba(255,255,255,.07);
}

.trust-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  color: var(--c-primary);
  background: rgba(0,194,255,.11);
  border: 1px solid rgba(0,194,255,.16);
}

.trust-item h4 {
  font-size: 15px;
  margin-bottom: 3px;
}

.trust-item p {
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  color: var(--text-muted);
}

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

.faq-accordion {
  max-width: 880px;
  margin: 0;
}

.faq-accordion .accordion-item {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
  list-style: none;
  transition: border-color .25s, background .25s;
}

.faq-accordion .accordion-item:hover,
.faq-accordion .accordion-item.is-active {
  border-color: rgba(0,194,255,.22);
  background: rgba(255,255,255,.055);
}

.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-main);
  font-weight: 600;
  font-size: 16px;
  padding: 19px 52px 19px 20px;
  position: relative;
  border-bottom: 1px solid transparent;
  line-height: 1.5;
  text-decoration: none;
}

.faq-accordion .accordion-title:hover {
  color: var(--text-main);
  background: rgba(255,255,255,.02);
}

.faq-accordion .accordion-title::before {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 15px;
  color: var(--text-muted);
  transition: color .2s, transform .3s;
  line-height: 1;
}

.faq-accordion .accordion-item.is-active .accordion-title::before {
  content: "\f068";
  color: var(--c-glow);
  transform: translateY(-50%) rotate(180deg);
}

.faq-accordion .accordion-content {
  background: transparent;
  border: 0;
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 15px;
  padding: 4px 24px 22px;
  border-radius: 0;
}

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

/* CTA */
.cta-section {
  background: var(--bg-primary);
}

.cta-panel {
  position: relative;
  padding: 62px 52px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background:
    linear-gradient(135deg, rgba(0,194,255,.14) 0%, rgba(116,87,254,.13) 56%, rgba(255,255,255,.06) 100%),
    rgba(255,255,255,.04);
}

.cta-panel::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  left: -40px;
  bottom: -90px;
  background: radial-gradient(circle, rgba(0,194,255,.24), transparent 68%);
  pointer-events: none;
}

.cta-panel::after {
  content: '';
  position: absolute;
  width: 190px;
  height: 190px;
  right: -40px;
  top: -70px;
  background: radial-gradient(circle, rgba(255,194,96,.16), transparent 68%);
  pointer-events: none;
}

.cta-text {
  position: relative;
  z-index: 1;
  max-width: 560px;
}

.cta-text h2 {
  margin-bottom: 12px;
}

.cta-text p {
  margin-bottom: 0;
}

.cta-buttons {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.cta-buttons .btn {
  min-width: 180px;
}

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer-brand p {
  font-size: 14px;
  margin-top: 12px;
  max-width: 260px;
  color: var(--text-muted);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -.01em;
}

.footer-logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(145deg, rgba(0,194,255,.22), rgba(116,87,254,.34));
  border: 1px solid rgba(116,87,254,.42);
}

.footer-logo:hover {
  color: #fff;
}

.footer-col h4 {
  font-size: 14px;
  margin-bottom: 14px;
  color: var(--text-main);
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 9px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s, padding .2s;
}

.footer-col a:hover {
  color: var(--c-primary);
  padding-left: 3px;
}

.footer-action {
  padding: 18px;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}

.footer-action h4 {
  margin-bottom: 8px;
  font-size: 15px;
}

.footer-action p {
  font-size: 13px;
  margin-bottom: 14px;
  color: var(--text-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 24px;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
}

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

/* responsive */
@media screen and (max-width: 1024px) {
  .section {
    padding: 70px 0;
  }

  .story-grid {
    gap: 36px;
  }

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

  .trust-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(255,255,255,.06);
  }

  .trust-item:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,.06);
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 28px;
  }

  .footer-action {
    grid-column: span 3;
  }

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

  .quick-card--main {
    grid-column: span 2;
    grid-row: auto;
    min-height: 180px;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 48px 36px;
  }

  .cta-buttons {
    flex-direction: row;
  }

  .header-search {
    min-width: 150px;
  }
}

@media screen and (max-width: 767px) {
  .section {
    padding: 58px 0;
  }

  .header-search {
    display: none;
  }

  .search-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 12px;
  }

  .header-top {
    padding-top: 8px;
  }

  .hero {
    min-height: auto;
    padding: 132px 0 56px;
    align-items: center;
  }

  .hero-sub {
    font-size: 15px;
  }

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

  .story-media {
    order: 2;
  }

  .story-media img {
    min-height: 220px;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .news-arrow {
    display: none;
  }

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

  .footer-brand {
    grid-column: span 2;
  }

  .footer-action {
    grid-column: span 2;
  }

  .cta-panel {
    padding: 40px 26px;
  }

  .trust-bar {
    grid-template-columns: 1fr;
  }

  .trust-item {
    border-bottom: 1px solid rgba(255,255,255,.06);
  }

  .trust-item + .trust-item {
    border-left: 0;
  }

  .trust-item:nth-child(3),
  .trust-item:nth-child(4) {
    border-top: 0;
  }
}

@media screen and (max-width: 520px) {
  .grid-container, .header-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-domain {
    display: none;
  }

  .brand-copy {
    line-height: 1.2;
  }

  .brand-name {
    font-size: 15px;
  }

  .hero-badges .badge {
    padding: 6px 10px;
    font-size: 11px;
  }

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

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

  .quick-card--main {
    grid-column: span 1;
  }

  .quick-card,
  .quick-card--main {
    min-height: 0;
  }

  .quick-card p,
  .quick-card--main p {
    -webkit-line-clamp: 3;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
  }

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

  .footer-brand,
  .footer-action {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .latest-section .section-head {
    flex-wrap: wrap;
  }

  h2 {
    font-size: 25px;
  }
}

/* roulang page: article */
:root {
  --bg-deep: #070C12;
  --bg: #0A1118;
  --surface: rgba(255,255,255,0.055);
  --surface-hover: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.14);
  --border-light: rgba(255,255,255,0.28);
  --text: #EAF2FA;
  --muted: #9AABC0;
  --dim: #61758C;
  --brand: #00C2FF;
  --violet: #7457FE;
  --green: #20E3A0;
  --gold: #FFC260;
  --radius-lg: 22px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.28);
  --shadow-brand: 0 18px 40px rgba(0,194,255,0.12);
  --space-section: 88px;
  --content-width: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(600px 360px at 85% -10%, rgba(116,87,254,0.16), transparent 60%),
    radial-gradient(720px 400px at -10% 30%, rgba(0,194,255,0.10), transparent 60%),
    var(--bg) !important;
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(800px 400px at 20% 100%, rgba(32,227,160,0.05), transparent 60%),
    radial-gradient(900px 500px at 90% 100%, rgba(0,194,255,0.08), transparent 60%),
    var(--bg-deep);
}
a { color: inherit; text-decoration: none; transition: color .25s ease, border-color .25s ease, background .25s ease, opacity .25s ease, transform .25s ease; }
img { max-width: 100%; height: auto; display: inline-block; vertical-align: middle; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p, h1, h2, h3, h4, h5, h6 { margin: 0; }
button, input, textarea { font-family: inherit; }
.grid-container { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7,12,18,0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar { border-bottom: 1px solid rgba(255,255,255,0.04); }
.topbar-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0A1420;
  background: linear-gradient(135deg, rgba(0,194,255,0.95), rgba(116,87,254,0.9));
  box-shadow: 0 0 22px rgba(0,194,255,0.28), inset 0 1px 0 rgba(255,255,255,0.2);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-main { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: -0.01em; white-space: nowrap; }
.brand-domain { font-size: 11px; color: var(--dim); font-weight: 400; letter-spacing: 0.02em; }
.topbar-tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 40px;
  padding: 0 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  transition: border-color .25s ease, background .25s ease, width .3s ease;
}
.search-box:focus-within { border-color: rgba(0,194,255,0.5); background: rgba(255,255,255,0.07); }
.search-box i { font-size: 13px; color: var(--dim); }
.search-box input { flex: 1; min-width: 0; background: transparent; border: 0; outline: none; color: var(--text); font-size: 13px; }
.search-box input::placeholder { color: var(--dim); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  padding: 12px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn:focus-visible, .channel-tab:focus-visible, a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.btn-primary {
  color: #06121b;
  background: linear-gradient(135deg, rgba(0,194,255,0.96), rgba(116,87,254,0.9));
  box-shadow: 0 8px 22px rgba(0,194,255,0.2), 0 0 0 1px rgba(255,255,255,0.05) inset;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,194,255,0.3), 0 0 0 1px rgba(255,255,255,0.12) inset; }
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { border-color: rgba(0,194,255,0.5); background: rgba(255,255,255,0.09); transform: translateY(-2px); }
.btn-lg { padding: 15px 30px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 10px 15px; font-size: 13px; }

.channel-row { background: rgba(0,0,0,0.12); }
.channel-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 8px 24px;
  -webkit-overflow-scrolling: touch;
}
.channel-tabs::-webkit-scrollbar { display: none; }
.channel-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 17px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid transparent;
  white-space: nowrap;
}
.channel-tab i { font-size: 13px; opacity: 0.8; }
.channel-tab:hover { color: #fff; background: rgba(255,255,255,0.06); }
.channel-tab.is-active {
  color: #06121b;
  background: linear-gradient(135deg, rgba(0,194,255,0.9), rgba(116,87,254,0.75));
  box-shadow: 0 0 16px rgba(0,194,255,0.2);
}
.channel-tab.is-active i { color: inherit; }

.site-main { position: relative; z-index: 1; }

.article-hero {
  padding: 72px 0 52px;
  position: relative;
  background:
    linear-gradient(180deg, rgba(7,12,18,0.25), rgba(7,12,18,0.92)),
    url("/assets/images/backpic/back-1.png") center 20% / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.article-hero-inner { max-width: 1100px; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--text); font-weight: 600; max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-title {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  max-width: 960px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.35);
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  color: var(--muted);
  font-size: 14px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, rgba(0,194,255,0.2), rgba(116,87,254,0.16));
  border: 1px solid rgba(0,194,255,0.25);
}
.badge i { font-size: 12px; color: var(--green); }
.meta-line { display: inline-flex; align-items: center; gap: 7px; }
.meta-line i { color: var(--dim); }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 308px;
  gap: 44px;
  padding-top: 52px;
  padding-bottom: 72px;
  align-items: start;
}
.glass-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.article-reading {
  padding: clamp(28px, 5vw, 58px);
}
.article-cms-body { max-width: 100%; }
.article-cms-body > * + * { margin-top: 1.35em; }
.article-cms-body h1, .article-cms-body h2, .article-cms-body h3, .article-cms-body h4, .article-cms-body h5, .article-cms-body h6 {
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-top: 1.7em;
}
.article-cms-body h1 { font-size: 28px; }
.article-cms-body h2 {
  font-size: 26px;
  padding-left: 14px;
  border-left: 3px solid var(--brand);
}
.article-cms-body h3 { font-size: 21px; color: #D8E8F7; }
.article-cms-body p { color: #C7D6E6; line-height: 1.92; }
.article-cms-body a { color: var(--brand); border-bottom: 1px solid rgba(0,194,255,0.3); }
.article-cms-body a:hover { color: #35D5FF; border-bottom-color: #35D5FF; }
.article-cms-body img { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-lg); }
.article-cms-body ul, .article-cms-body ol { padding-left: 22px; color: #C7D6E6; }
.article-cms-body ul { list-style: disc; }
.article-cms-body ol { list-style: decimal; }
.article-cms-body ul li, .article-cms-body ol li { margin-top: .6em; }
.article-cms-body blockquote {
  border-left: 3px solid var(--gold);
  background: rgba(255,194,96,0.07);
  padding: 16px 22px;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #C9D6E4;
}
.article-cms-body blockquote p { color: inherit; }
.article-cms-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 8px;
  font-size: 0.88em;
}
.article-cms-body pre {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
}
.article-cms-body pre code { background: transparent; border: 0; padding: 0; }
.article-cms-body hr { border: 0; height: 1px; background: var(--border); margin: 2em 0; }
.article-cms-body table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: var(--radius); }
.article-cms-body th, .article-cms-body td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; font-size: 15px; }
.article-cms-body th { background: rgba(255,255,255,0.06); color: #fff; }

.article-return {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.return-copy { font-size: 14px; color: var(--muted); max-width: 380px; }
.return-copy strong { color: var(--text); font-weight: 600; }
.return-buttons { display: flex; flex-wrap: wrap; gap: 10px; }

.not-found {
  text-align: center;
  padding: 60px 30px;
}
.not-found-icon {
  width: 78px;
  height: 78px;
  border-radius: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--gold);
  background: rgba(255,194,96,0.1);
  border: 1px solid rgba(255,194,96,0.25);
  margin-bottom: 18px;
}
.not-found h2 { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.not-found p { color: var(--muted); margin-bottom: 24px; }

.article-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 92px; }
.side-card { padding: 24px; border-radius: var(--radius); }
.side-card h3 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.side-card h3 i { color: var(--brand); }
.side-list li { margin-bottom: 8px; }
.side-list a {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 10px;
  transition: background .2s, color .2s, transform .2s;
}
.side-list a:hover { background: rgba(255,255,255,0.05); color: var(--brand); transform: translateX(3px); }
.side-list a i { width: 14px; font-size: 13px; color: var(--dim); }
.side-meta { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.side-meta-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.side-meta-item i { width: 18px; color: var(--brand); text-align: center; }
.side-tip { background: rgba(32,227,160,0.06); border: 1px solid rgba(32,227,160,0.16); border-radius: 14px; padding: 16px; margin-top: 18px; }
.side-tip h4 { font-size: 14px; color: var(--green); display: flex; align-items: center; gap: 7px; margin-bottom: 8px; font-weight: 700; }
.side-tip p { font-size: 13px; color: var(--muted); line-height: 1.7; }

.faq-section { padding: 72px 0 84px; background: rgba(0,0,0,0.12); border-top: 1px solid rgba(255,255,255,0.05); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 46px; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(0,194,255,0.08);
  border: 1px solid rgba(0,194,255,0.16);
  padding: 6px 13px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: #fff; line-height: 1.3; }
.section-head p { color: var(--muted); font-size: 17px; margin-top: 12px; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s ease, background .25s ease;
}
.faq-item.is-open { border-color: rgba(0,194,255,0.3); background: rgba(255,255,255,0.07); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 16px;
  padding: 18px 22px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 14px;
  transition: transform .3s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.faq-item.is-open .faq-icon { transform: rotate(45deg); background: rgba(255,194,96,0.12); border-color: rgba(255,194,96,0.4); color: var(--gold); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer-inner { padding: 0 22px 20px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.faq-answer-inner a { color: var(--brand); }

.cta-section { padding: 84px 0; }
.cta-panel {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(420px 240px at 85% -30%, rgba(116,87,254,0.22), transparent 60%),
    radial-gradient(400px 220px at 0% 130%, rgba(0,194,255,0.15), transparent 60%),
    rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 28px;
  padding: clamp(36px, 6vw, 70px);
  text-align: center;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}
.cta-panel h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: #fff; letter-spacing: -0.02em; max-width: 700px; margin: 0 auto 16px; line-height: 1.3; }
.cta-panel p { color: var(--muted); font-size: 17px; max-width: 680px; margin: 0 auto 30px; }
.cta-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.cta-panel .btn { min-width: 150px; }

.site-footer { background: rgba(5,9,14,0.96); border-top: 1px solid rgba(255,255,255,0.07); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1.1fr; gap: 32px; margin-bottom: 48px; }
.footer-logo { display: inline-flex; align-items: center; gap: 11px; }
.footer-logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  color: #0A1420;
  background: linear-gradient(135deg, rgba(0,194,255,0.95), rgba(116,87,254,0.9));
  box-shadow: 0 0 18px rgba(0,194,255,0.2);
}
.footer-logo span:last-child { font-size: 17px; font-weight: 700; color: #fff; }
.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 16px; max-width: 360px; line-height: 1.8; }
.footer-col h4, .footer-action h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a, .footer-action a { color: var(--muted); font-size: 14px; }
.footer-col a:hover, .footer-action a:hover { color: var(--brand); }
.footer-action p { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 24px 0 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--dim);
  font-size: 13px;
}
.footer-bottom a { color: var(--dim); }
.footer-bottom a:hover { color: var(--brand); }

@media (max-width: 1024px) {
  :root { --space-section: 72px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .side-card { flex: 1 1 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --space-section: 62px; }
  .brand-domain { display: none; }
  .search-box { width: 42px; padding: 0; justify-content: center; }
  .search-box input { display: none; }
  .search-box i { color: var(--muted); font-size: 15px; }
  .btn-primary { padding: 10px 15px; font-size: 13px; }
  .topbar-inner { min-height: 58px; gap: 12px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 11px; font-size: 16px; }
  .brand-main { font-size: 17px; }
  .article-hero { padding: 44px 0 34px; }
  .article-reading { padding: 22px 18px; }
  .article-cms-body h2 { font-size: 22px; }
  .article-cms-body h3 { font-size: 19px; }
  .cta-panel { padding-left: 24px; padding-right: 24px; }
  .cta-panel .btn { width: 100%; }
}
@media (max-width: 639px) {
  .grid-container { padding: 0 16px; }
  .channel-tabs { padding: 6px 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .article-title { font-size: 28px; }
  .breadcrumb .current { max-width: 220px; }
  .article-return { flex-direction: column; align-items: flex-start; }
  .return-buttons .btn { flex: 1; justify-content: center; }
  .faq-question { font-size: 15px; padding: 15px 16px; }
  .faq-answer-inner { padding-left: 16px; padding-right: 16px; }
}

/* roulang page: category1 */
:root{
  --bg:#070C12;
  --bg2:#0A1118;
  --primary:#00C2FF;
  --secondary:#7457FE;
  --green:#20E3A0;
  --gold:#FFC260;
  --card-bg:rgba(255,255,255,0.055);
  --card-bg2:rgba(255,255,255,0.075);
  --border:rgba(255,255,255,0.14);
  --border-strong:rgba(255,255,255,0.24);
  --text:#EAF2FA;
  --text2:#9AABC0;
  --text3:#61758C;
  --radius-xl:22px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(0,0,0,0.28);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}

::selection{background:rgba(0,194,255,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-container{padding-left:24px;padding-right:24px;}

/* ===== Header 双层导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(7,12,18,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.header-inner{
  min-height:80px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand-zone{flex-shrink:0;}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:14px;
}
.brand-logo-mark{
  width:46px;
  height:46px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(0,194,255,.28),rgba(116,87,254,.25));
  border:1px solid var(--border-strong);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:1.1rem;
  letter-spacing:0;
  color:#fff;
  box-shadow:0 0 0 1px rgba(255,255,255,.04) inset,0 8px 20px rgba(0,194,255,.15);
}
.brand-logo-text strong{
  display:block;
  font-size:1.3rem;
  font-weight:700;
  color:var(--text);
  letter-spacing:.02em;
  line-height:1.35;
}
.brand-logo-text small{
  display:block;
  font-size:.76rem;
  color:var(--text3);
  letter-spacing:.06em;
}
.header-tools{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:14px;
  flex-shrink:0;
}
.header-search{
  position:relative;
  display:flex;
  align-items:center;
}
.header-search i{
  position:absolute;
  left:14px;
  color:var(--text3);
  font-size:.9rem;
  pointer-events:none;
}
.header-search input{
  width:238px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  border-radius:999px;
  padding:9px 14px 9px 38px;
  color:var(--text);
  font-size:.9rem;
  outline:none;
  transition:border-color .2s,background .2s;
}
.header-search input::placeholder{color:var(--text3);}
.header-search input:focus{
  border-color:rgba(0,194,255,.65);
  background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(0,194,255,.1);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-sm);
  padding:12px 24px;
  font-weight:600;
  font-size:.92rem;
  line-height:1.3;
  border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background:linear-gradient(135deg,#00C2FF,#00A2DA);
  color:#02131E;
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 24px rgba(0,194,255,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(0,194,255,.3),0 0 0 1px rgba(255,255,255,.12) inset;
  color:#02131E;
}
.btn-secondary{
  background:rgba(255,255,255,.06);
  border-color:var(--border);
  color:var(--text);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.btn-secondary:hover{
  border-color:rgba(0,194,255,.6);
  background:rgba(0,194,255,.08);
  transform:translateY(-2px);
}
.btn-gold{
  background:linear-gradient(135deg,#FFC260,#FF9F43);
  color:#231600;
  border-color:rgba(255,255,255,.22);
  box-shadow:0 10px 24px rgba(255,194,96,.16);
}
.btn-gold:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(255,194,96,.22);
}
.btn-sm{padding:9px 19px;font-size:.86rem;border-radius:999px;}
.header-cta .cta-mob{display:none;}

.header-search-toggle,
.mobile-callout{
  display:none;
}

.channel-row{
  position:relative;
  border-top:1px solid rgba(255,255,255,.045);
  background:rgba(10,17,24,.55);
}
.channel-tabs{
  max-width:1200px;
  margin:0 auto;
  padding:9px 24px 11px;
  display:flex;
  flex-wrap:nowrap;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-tabs::-webkit-scrollbar{display:none;}
.channel-tab{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:999px;
  color:var(--text2);
  font-size:.9rem;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:all .2s ease;
}
.channel-tab i{font-size:.84rem;opacity:.85;}
.channel-tab:hover{
  color:var(--text);
  background:rgba(255,255,255,.07);
}
.channel-tab.is-active{
  color:var(--primary);
  background:rgba(0,194,255,.12);
  border-color:rgba(0,194,255,.38);
  box-shadow:0 0 16px rgba(0,194,255,.07);
}
.channel-tab.is-active i{color:var(--gold);}

/* ===== Hero 小视觉 ===== */
.category-hero{
  position:relative;
  padding:78px 0 72px;
  background:
    radial-gradient(900px at 18% 18%,rgba(0,194,255,.13),transparent 55%),
    radial-gradient(760px at 86% 10%,rgba(116,87,254,.15),transparent 60%),
    linear-gradient(100deg,rgba(7,12,18,.66),rgba(7,12,18,.9)),
    url('/assets/images/backpic/back-1.png') center / cover;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.category-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:120px;
  background:linear-gradient(to bottom,transparent,var(--bg));
  pointer-events:none;
}
.category-hero-inner{
  position:relative;
  z-index:1;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:.85rem;
  color:var(--text3);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--text2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:.6rem;color:var(--text3);}
.hero-wrap{max-width:960px;}
.hero-h1{margin-bottom:18px;}
.hero-mini{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(0,194,255,.1);
  border:1px solid rgba(0,194,255,.28);
  color:var(--primary);
  font-size:.88rem;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.hero-main{
  display:block;
  font-size:clamp(2.2rem,5vw,3.6rem);
  line-height:1.22;
  color:var(--text);
  letter-spacing:-.02em;
  font-weight:700;
  text-shadow:0 8px 40px rgba(0,0,0,.25);
}
.hero-lead{
  max-width:780px;
  color:var(--text2);
  font-size:1.06rem;
  line-height:1.95;
  margin-bottom:30px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:var(--text2);
  font-size:.82rem;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.hero-badge i{color:var(--green);font-size:.78rem;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}

/* ===== Section 基础 ===== */
.guide-section{
  padding:92px 0;
}
.section-head{
  max-width:780px;
  margin:0 auto 44px;
  text-align:center;
}
.section-head.left{
  text-align:left;
  margin:0 0 24px;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--gold);
  font-size:.84rem;
  font-weight:600;
  letter-spacing:.12em;
  padding-bottom:6px;
  margin-bottom:12px;
  border-bottom:1px solid rgba(255,194,96,.3);
}
.section-head h2{
  font-size:clamp(1.5rem,3.2vw,2.15rem);
  font-weight:700;
  line-height:1.4;
  color:var(--text);
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-head p{
  color:var(--text2);
  font-size:1rem;
  line-height:1.9;
}
h2,h3,h4{line-height:1.4;}

/* ===== Overview ===== */
.guide-overview{
  background:var(--bg2);
}
.guide-copy h2{
  font-size:clamp(1.4rem,3vw,2rem);
  font-weight:700;
  margin-bottom:18px;
  color:var(--text);
}
.guide-copy p{
  color:var(--text2);
  font-size:1rem;
  line-height:1.9;
  margin-bottom:20px;
}
.check-list{
  margin-top:23px;
  display:grid;
  gap:13px;
}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
  padding:13px 16px;
  border-radius:var(--radius-md);
  color:var(--text2);
  font-size:.94rem;
}
.check-list li i{
  color:var(--green);
  margin-top:5px;
}
.guide-figure{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
}
.guide-figure img{
  width:100%;
  height:480px;
  object-fit:cover;
  transform:scale(1.02);
}
.guide-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,transparent 45%,rgba(7,12,18,.85));
}
.guide-figure figcaption{
  position:absolute;
  z-index:1;
  left:20px;
  right:20px;
  bottom:18px;
  color:#eaf2fa;
  font-size:.82rem;
  padding:10px 14px;
  border-radius:12px;
  background:rgba(7,12,18,.45);
  border:1px solid rgba(255,255,255,.1);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

/* ===== Steps 单列引导 ===== */
.steps-map{
  background:
    radial-gradient(620px at 90% 30%,rgba(116,87,254,.09),transparent 60%),
    var(--bg);
}
.step-track{
  position:relative;
  max-width:900px;
  margin:0 auto;
  padding-left:0;
}
.step-track::before{
  content:"";
  position:absolute;
  left:44px;
  top:30px;
  bottom:30px;
  width:2px;
  background:linear-gradient(to bottom,rgba(0,194,255,.0),rgba(0,194,255,.65) 12%,rgba(116,87,254,.5) 80%,rgba(116,87,254,0));
}
.step-row{
  position:relative;
  display:grid;
  grid-template-columns:88px 1fr;
  gap:34px;
  align-items:start;
  margin-bottom:28px;
}
.step-row:last-child{margin-bottom:0;}
.step-no{
  position:relative;
  z-index:1;
  width:88px;
  height:88px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:28px;
  background:linear-gradient(135deg,rgba(0,194,255,.22),rgba(116,87,254,.18));
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  font-size:1.8rem;
  font-weight:700;
  letter-spacing:-.03em;
  box-shadow:0 16px 32px rgba(0,0,0,.25);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.step-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-top-color:rgba(255,255,255,.24);
  border-radius:var(--radius-lg);
  padding:26px 26px 22px;
  box-shadow:var(--shadow);
  transition:transform .25s,border-color .25s,background .25s;
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,194,255,.32);
  background:rgba(255,255,255,.075);
}
.step-card h3{
  font-size:1.14rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:7px;
  display:flex;
  align-items:center;
  gap:10px;
}
.step-card h3 i{
  color:var(--gold);
  font-size:.95rem;
}
.step-card p{
  color:var(--text2);
  font-size:.96rem;
  line-height:1.9;
}
.step-card .step-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:15px;
  color:var(--primary);
  font-size:.88rem;
  font-weight:600;
}
.step-card .step-link:hover{color:var(--gold);}

/* ===== Media / 配图模块 ===== */
.guide-media-block{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:center;
  background:
    radial-gradient(600px at 80% 0%,rgba(0,194,255,.08),transparent 60%),
    linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  padding:42px 46px;
  box-shadow:var(--shadow);
}
.media-visual{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 26px 50px rgba(0,0,0,.32);
}
.media-visual img{
  width:100%;
  height:360px;
  object-fit:cover;
}
.media-content h2{
  font-size:clamp(1.3rem,2.6vw,1.9rem);
  font-weight:700;
  margin-bottom:16px;
}
.media-content p{
  color:var(--text2);
  margin-bottom:14px;
  font-size:.98rem;
}
.media-list{
  display:grid;
  gap:11px;
  margin-top:20px;
}
.media-list li{
  display:flex;
  align-items:flex-start;
  gap:11px;
  color:var(--text2);
  font-size:.95rem;
}
.media-list li i{
  color:var(--secondary);
  background:rgba(116,87,254,.13);
  border-radius:50%;
  min-width:22px;
  height:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.68rem;
  margin-top:5px;
}

/* ===== Notes 注意事项 ===== */
.guide-notes{
  background:var(--bg2);
  border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.notes-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.note-card{
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
  border-left:3px solid rgba(0,194,255,.65);
  border-radius:var(--radius-md);
  padding:18px 21px;
  transition:background .2s;
}
.note-card:hover{background:rgba(255,255,255,.07);}
.note-card strong{
  color:var(--text);
  font-weight:700;
  margin-bottom:5px;
  display:block;
  font-size:.98rem;
}
.note-card p{
  color:var(--text2);
  font-size:.92rem;
  line-height:1.8;
  margin-bottom:0;
}
.note-card em{
  display:inline-block;
  font-style:normal;
  font-size:.78rem;
  color:var(--gold);
  background:rgba(255,194,96,.1);
  padding:2px 9px;
  border-radius:999px;
  margin-bottom:8px;
}

/* ===== FAQ Accordion ===== */
.faq-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:44px;
  align-items:start;
}
.faq-intro h2{
  font-size:clamp(1.4rem,2.8vw,2rem);
  margin-bottom:14px;
}
.faq-intro p{
  color:var(--text2);
  font-size:.96rem;
}
.faq-intro .faq-guide{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  color:var(--primary);
  font-size:.9rem;
}
.accordion.guide-accordion{
  display:grid;
  gap:13px;
  margin-top:0;
}
.accordion-item{
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .2s,background .2s;
}
.accordion-item:hover{background:rgba(255,255,255,.075);}
.accordion-item.is-active{
  border-color:rgba(0,194,255,.35);
  background:rgba(255,255,255,.065);
}
.accordion-title{
  padding:17px 20px;
  min-height:auto;
  display:flex;
  align-items:center;
  position:relative;
  background:transparent !important;
  border:none !important;
  color:var(--text) !important;
  font-size:.98rem;
  font-weight:600;
  line-height:1.5;
}
.accordion-title::before,
.accordion-title::after{
  content:none;
}
.accordion-title:hover{
  color:var(--primary);
  background:transparent;
}
.accordion-title .faq-q{
  color:var(--gold);
  font-weight:700;
  margin-right:12px;
}
.accordion-title .accordion-icon{
  margin-left:auto;
  position:relative;
  width:22px;
  height:22px;
  flex:0 0 22px;
  border-radius:50%;
  background:rgba(255,194,96,.15);
  display:flex;
  align-items:center;
  justify-content:center;
}
.accordion-title .accordion-icon::before,
.accordion-title .accordion-icon::after{
  content:"";
  position:absolute;
  background:var(--gold);
  border-radius:2px;
  transition:transform .25s ease;
}
.accordion-title .accordion-icon::before{
  width:10px;height:2px;
}
.accordion-title .accordion-icon::after{
  width:2px;height:10px;
}
.accordion-item.is-active .accordion-title .accordion-icon::after{
  transform:scaleY(0);
}
.accordion-content{
  background:transparent !important;
  border:none !important;
  color:var(--text2);
  font-size:.94rem;
  line-height:1.85;
  padding-left:20px;
  padding-right:22px;
  padding-bottom:0;
}
.accordion-content p{
  color:var(--text2);
  margin-bottom:16px;
}
.accordion-content .content-note{
  margin:0 0 4px;
}

/* ===== CTA ===== */
.cta-panel{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  text-align:center;
  padding:76px 32px;
  background:
    radial-gradient(500px at 50% 0%,rgba(0,194,255,.16),transparent 60%),
    radial-gradient(400px at 20% 100%,rgba(116,87,254,.15),transparent 60%),
    linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.cta-panel h2{
  font-size:clamp(1.5rem,3.4vw,2.3rem);
  margin-bottom:16px;
}
.cta-panel p{
  max-width:680px;
  margin:0 auto 28px;
  color:var(--text2);
  font-size:1rem;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg2);
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:64px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .9fr .9fr 1.1fr;
  gap:38px;
  padding-bottom:40px;
}
.footer-brand p{
  color:var(--text3);
  font-size:.93rem;
  margin:16px 0 8px;
  max-width:340px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:13px;
}
.footer-logo-mark{
  width:50px;
  height:50px;
  border-radius:16px;
  background:linear-gradient(135deg,rgba(0,194,255,.25),rgba(116,87,254,.25));
  border:1px solid var(--border-strong);
  color:#fff;
  font-weight:800;
  font-size:1.1rem;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 20px rgba(0,194,255,.15);
}
.footer-logo span:last-child{
  font-size:1.16rem;
  font-weight:700;
  color:var(--text);
}
.footer-col h4,.footer-action h4{
  color:var(--text);
  font-size:1rem;
  margin-bottom:18px;
  font-weight:700;
}
.footer-col li{
  margin-bottom:12px;
}
.footer-col a{
  color:var(--text3);
  font-size:.93rem;
  transition:color .2s,padding-left .2s;
}
.footer-col a:hover{
  color:var(--primary);
  padding-left:5px;
}
.footer-action p{
  color:var(--text3);
  font-size:.93rem;
  margin-bottom:18px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.07);
  padding-bottom:28px;
  color:var(--text3);
  font-size:.85rem;
  flex-wrap:wrap;
}
.footer-bottom a{
  color:var(--text3);
}
.footer-bottom a:hover{color:var(--primary);}

/* ===== 移动搜索 ===== */
.mobile-search-row{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.mobile-search-row.is-open{max-height:90px;}
.mobile-search-row .container{
  padding-top:8px;
  padding-bottom:12px;
}
.mobile-search-row input{
  width:100%;
  background:rgba(255,255,255,.07);
  border:1px solid var(--border);
  border-radius:999px;
  padding:11px 19px;
  font-size:.9rem;
  outline:none;
}
.mobile-search-row input:focus{border-color:var(--primary);}

/* ===== 响应式 ===== */
@media (max-width: 1024px){
  .guide-section{padding:72px 0;}
  .grid-container{padding-left:22px;padding-right:22px;}
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:28px;
  }
  .container{padding-left:22px;padding-right:22px;}
  .guide-media-block{
    grid-template-columns:1fr;
    padding:34px 32px;
  }
  .media-visual img{height:320px;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
}
@media (max-width: 768px){
  .header-inner{min-height:70px;}
  .brand-logo-mark{width:40px;height:40px;border-radius:12px;font-size:1rem;}
  .brand-logo-text strong{font-size:1.04rem;}
  .brand-logo-text small{font-size:.68rem;}
  .header-search{display:none;}
  .header-search-toggle{
    display:inline-flex;
    width:40px;height:40px;
    border-radius:50%;
    background:rgba(255,255,255,.07);
    border:1px solid var(--border);
    color:var(--text2);
    align-items:center;
    justify-content:center;
    font-size:.95rem;
  }
  .header-tools{gap:10px;}
  .header-cta{padding:9px 15px;font-size:.84rem;}
  .header-cta .cta-mob{display:inline;}
  .header-cta .cta-desk{display:none;}
  .channel-tabs{padding:7px 14px 9px;gap:6px;}
  .channel-tab{padding:6px 12px;font-size:.84rem;}
  .category-hero{padding:60px 0 58px;}
  .hero-lead{font-size:1rem;}
  .guide-main-title{font-size:1.2rem;}
  .guide-copy h2,.media-content h2{font-size:1.35rem;}
  .step-row{grid-template-columns:1fr;gap:15px;padding-left:0;}
  .step-track::before{display:none;}
  .step-no{width:58px;height:58px;border-radius:20px;font-size:1.3rem;}
  .step-card{padding:20px 18px;}
  .notes-grid{grid-template-columns:1fr;}
  .cta-panel{padding:55px 22px;}
}
@media (max-width: 520px){
  .container{padding-left:16px;padding-right:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-tools .header-cta{padding:8px 11px;font-size:.78rem;border-radius:9px;}
  .brand-logo{gap:8px;}
  .brand-logo-mark{width:36px;height:36px;border-radius:10px;}
  .brand-logo-text strong{font-size:.94rem;line-height:1.2;}
  .hero-h1{margin-bottom:14px;}
  .hero-main{font-size:1.9rem;}
  .hero-lead{font-size:.95rem;}
  .category-hero{padding:45px 0 42px;}
  .guide-section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:1.32rem;}
  .guide-media-block{padding:24px 18px;}
  .media-visual img{height:230px;}
  .faq-intro h2{font-size:1.35rem;}
  .accordion-title{flex-wrap:wrap;gap:4px;padding:15px 14px;}
  .accordion-content{padding-left:14px;padding-right:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .footer-bottom a{margin-left:0;}
}

/* roulang page: category2 */
:root {
  --bg-0: #070c12;
  --bg-1: #0a1118;
  --surface: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.14);
  --line-soft: rgba(255, 255, 255, 0.08);
  --primary: #00c2ff;
  --violet: #7457fe;
  --green: #20e3a0;
  --gold: #ffc260;
  --text: #eaf2fa;
  --muted: #9aabc0;
  --faint: #61758c;
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.28);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(700px 320px at 12% 8%, rgba(0, 194, 255, 0.08), transparent 60%),
    radial-gradient(800px 420px at 88% 20%, rgba(116, 87, 254, 0.07), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: #a7e9ff;
}

body,
.site-footer,
.page-banner,
.section,
.cta-box {
  position: relative;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.container.narrow {
  max-width: 920px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  cursor: pointer;
  line-height: 1;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2f7bff);
  color: #061820;
  box-shadow: 0 12px 34px rgba(0, 194, 255, 0.18);
}

.btn-primary:hover {
  color: #031016;
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 194, 96, 0.18), 0 10px 32px rgba(0, 194, 255, 0.28);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--text);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: rgba(0, 194, 255, 0.7);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 194, 255, 0.12);
}

.btn-sm {
  min-height: 38px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-lg {
  min-height: 54px;
  padding: 0 32px;
  font-size: 17px;
}

.btn:focus-visible,
.channel-tab:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(0, 194, 255, 0.6);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(7, 12, 18, 0.84);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

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

.header-main-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--text);
}

.brand:hover {
  color: var(--text);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #061018;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18) inset, 0 10px 24px rgba(0, 194, 255, 0.25);
  flex-shrink: 0;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-domain {
  font-size: 12px;
  color: var(--faint);
  font-weight: 400;
  margin-top: 3px;
  white-space: nowrap;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-search {
  position: relative;
  margin: 0;
}

.header-search input {
  width: 230px;
  height: 40px;
  padding: 0 42px 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: width 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.header-search input::placeholder {
  color: var(--faint);
}

.header-search input:focus {
  border-color: rgba(0, 194, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(0, 194, 255, 0.1);
  background: rgba(255, 255, 255, 0.07);
}

.header-search button {
  position: absolute;
  right: 3px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.header-search button:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.07);
}

.header-cta i {
  font-size: 13px;
}

.channel-row {
  display: flex;
  align-items: center;
}

.channel-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  margin: 0 auto;
  max-width: 1240px;
  width: 100%;
  padding: 7px 24px;
}

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

.channel-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 9px 19px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.channel-tab i {
  color: var(--faint);
  font-size: 14px;
  transition: color 0.2s var(--ease);
}

.channel-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--line-soft);
}

.channel-tab:hover i {
  color: var(--primary);
}

.channel-tab.is-active {
  color: var(--primary);
  background: rgba(0, 194, 255, 0.1);
  border-color: rgba(0, 194, 255, 0.38);
  font-weight: 600;
}

.channel-tab.is-active i {
  color: var(--primary);
}

.page-banner {
  overflow: hidden;
  padding: 92px 0 72px;
  background: radial-gradient(circle at 12% 24%, rgba(0, 194, 255, 0.17), transparent 36%), radial-gradient(circle at 92% 6%, rgba(116, 87, 254, 0.2), transparent 34%), linear-gradient(180deg, rgba(7, 12, 18, 0.7), var(--bg-1) 98%);
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  opacity: 0.36;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 12, 18, 0.88) 0%, rgba(7, 12, 18, 0.68) 52%, rgba(7, 12, 18, 0.3) 100%);
  z-index: 1;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(32, 227, 160, 0.14);
}

.page-banner h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--text);
}

.page-banner-lead {
  max-width: 760px;
  font-size: 17px;
  line-height: 2;
  color: var(--muted);
  margin: 0 0 30px;
}

.page-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.service-strip {
  padding: 26px 0 0;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 8px 17px;
  font-size: 14px;
  color: #c7d5e6;
}

.tag-chip i {
  color: var(--green);
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 860px;
  margin-bottom: 44px;
}

.section-head.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.section-kicker::before {
  content: "";
  width: 17px;
  height: 1px;
  background: var(--primary);
}

.section-head h2,
.split-copy h2,
.guide-content h2,
.cta-box h2 {
  font-size: 30px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  font-weight: 700;
}

.section-desc {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
  max-width: 680px;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 64px;
  align-items: center;
}

.body-copy p {
  font-size: 16.5px;
  color: var(--muted);
  line-height: 2;
  margin-bottom: 22px;
}

.check-list {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  color: #d1deeb;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-soft);
  padding: 13px 17px;
  border-radius: 14px;
}

.check-list i {
  color: var(--green);
  margin-top: 2px;
}

.media-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  padding: 10px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.media-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 194, 255, 0.4);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(0, 194, 255, 0.16);
}

.media-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 16px;
}

.media-card-body {
  padding: 18px 10px 12px;
}

.media-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 194, 255, 0.12);
  color: var(--primary);
  margin-bottom: 12px;
}

.media-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--text);
}

.media-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.modules-section {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.14) 12%, rgba(0, 0, 0, 0.14) 88%, transparent 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 60px;
  align-items: start;
}

.module-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 22px;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), background 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.module-item:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 194, 255, 0.3);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

.module-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  background: rgba(0, 194, 255, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 194, 255, 0.18);
}

.module-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--text);
}

.module-item p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
}

.aside-stack {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 134px;
}

.rail-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.rail-card h3 {
  margin: 0 0 16px;
  font-size: 17px;
  color: var(--text);
}

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

.rail-links a {
  color: var(--muted);
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.rail-links a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.7;
}

.rail-links a:hover {
  background: rgba(0, 194, 255, 0.07);
  color: var(--text);
  transform: translateX(3px);
}

.rail-media img {
  width: 100%;
  border-radius: 14px;
  margin-bottom: 16px;
  object-fit: cover;
}

.rail-media h3 {
  margin-bottom: 8px;
}

.rail-media p {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

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

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.86fr);
  gap: 62px;
  align-items: center;
}

.guide-content > p:not(.section-kicker) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 30px;
}

.guide-steps {
  display: flex;
  flex-direction: column;
}

.guide-step {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 24px 4px;
  border-top: 1px solid var(--line-soft);
  transition: background 0.25s var(--ease);
}

.guide-step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.guide-step:hover {
  background: rgba(255, 255, 255, 0.025);
}

.step-num {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gold);
  line-height: 1.2;
}

.guide-step h3 {
  margin: 0 0 7px;
  font-size: 17px;
  color: var(--text);
}

.guide-step p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
}

.visual-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-card);
}

.visual-frame img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  background: var(--bg-1);
}

.visual-frame figcaption {
  padding: 14px 20px 18px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-section {
  background: radial-gradient(circle at 86% 12%, rgba(116, 87, 254, 0.14), transparent 38%);
}

.site-accordion {
  margin: 0 0 20px;
  background: transparent;
}

.site-accordion .accordion-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.site-accordion .accordion-item:hover {
  border-color: rgba(0, 194, 255, 0.3);
}

.site-accordion .accordion-item.is-active {
  border-color: rgba(0, 194, 255, 0.4);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.site-accordion .accordion-title {
  background: transparent;
  border: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  padding: 20px 58px 20px 22px;
  position: relative;
  display: block;
}

.site-accordion .accordion-title:hover,
.site-accordion .accordion-title:focus {
  background: rgba(255, 255, 255, 0.03);
  color: var(--primary);
}

.site-accordion .accordion-title::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border-radius: 50%;
  color: var(--gold);
  background: rgba(255, 194, 96, 0.1);
  border: 1px solid rgba(255, 194, 96, 0.22);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.site-accordion .accordion-item.is-active .accordion-title::after {
  content: "\f068";
  transform: translateY(-50%) rotate(180deg);
  color: #0a1721;
  background: var(--gold);
  border-color: var(--gold);
}

.site-accordion .accordion-content {
  background: transparent;
  border: 0;
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.site-accordion .accordion-content p {
  margin: 0;
}

.cta-section {
  padding-top: 30px;
}

.cta-box {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    radial-gradient(circle at 12% 30%, rgba(0, 194, 255, 0.22), transparent 36%),
    radial-gradient(circle at 90% 20%, rgba(116, 87, 254, 0.18), transparent 32%),
    rgba(255, 255, 255, 0.055);
  border-radius: 30px;
  padding: 64px 56px;
  text-align: center;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.24);
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.06), transparent 30%, transparent 70%, rgba(0, 194, 255, 0.05));
}

.cta-box h2 {
  font-size: 32px;
  color: var(--text);
  margin-bottom: 12px;
}

.cta-box p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 30px;
}

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

.site-footer {
  background: #060a10;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 66px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.9fr 1.2fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
}

.footer-logo:hover {
  color: var(--text);
}

.footer-logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  color: #061018;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(0, 194, 255, 0.2);
}

.footer-logo span:last-child {
  font-size: 18px;
  font-weight: 700;
}

.footer-brand p {
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 14px;
  line-height: 1.9;
  max-width: 340px;
}

.footer-col h4,
.footer-action h4 {
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

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

.footer-col a:hover,
.footer-action a:hover {
  color: var(--primary);
  padding-left: 3px;
}

.footer-action p {
  color: var(--faint);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
}

.footer-bottom span {
  color: var(--faint);
  font-size: 13px;
}

.footer-bottom a {
  color: var(--faint);
  font-size: 13px;
  text-decoration: none;
}

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

@media (max-width: 1024px) {
  .split-grid,
  .content-layout,
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .aside-stack {
    position: static;
    flex-direction: row;
    align-items: stretch;
  }

  .aside-stack .rail-card {
    flex: 1;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .header-main-row {
    min-height: 66px;
    gap: 10px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

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

  .brand-domain {
    font-size: 11px;
  }

  .header-tools {
    gap: 9px;
  }

  .header-search input {
    width: 46px;
    padding: 0 0 0 14px;
    font-size: 0;
    cursor: pointer;
  }

  .header-search input::placeholder {
    color: transparent;
  }

  .header-search input:focus {
    width: 150px;
    font-size: 13px;
    padding: 0 42px 0 14px;
  }

  .header-search input:focus::placeholder {
    color: var(--faint);
  }

  .header-search button {
    right: 2px;
    width: 36px;
  }

  .header-cta span {
    display: none;
  }

  .header-cta {
    width: 42px;
    padding: 0;
    font-size: 0;
    gap: 0;
  }

  .header-cta i {
    font-size: 16px;
    margin: 0;
  }

  .channel-tabs {
    padding: 7px 16px;
    gap: 6px;
  }

  .channel-tab {
    padding: 9px 15px;
    font-size: 13px;
  }

  .page-banner {
    padding: 70px 0 54px;
  }

  .page-banner h1 {
    font-size: 34px;
  }

  .page-banner-lead {
    font-size: 15.5px;
  }

  .section {
    padding: 60px 0;
  }

  .section-head h2,
  .split-copy h2,
  .guide-content h2,
  .cta-box h2 {
    font-size: 24px;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .cta-actions .btn,
  .page-banner-actions .btn {
    width: 100%;
  }

  .visual-frame img {
    height: 240px;
  }

  .media-card img {
    height: 210px;
  }

  .module-item {
    grid-template-columns: 42px 1fr;
    gap: 13px;
    padding: 18px;
  }

  .module-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 15px;
  }

  .guide-step {
    grid-template-columns: 48px 1fr;
    gap: 12px;
  }

  .step-num {
    font-size: 21px;
  }
}

@media (max-width: 639px) {
  .container {
    padding: 0 16px;
  }

  .aside-stack {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 36px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .tag-row {
    gap: 8px;
  }

  .tag-chip {
    padding: 7px 13px;
    font-size: 13px;
  }

  .site-accordion .accordion-title {
    font-size: 15px;
    padding: 18px 52px 18px 18px;
  }

  .site-accordion .accordion-title::after {
    right: 14px;
    width: 30px;
    height: 30px;
  }

  .site-accordion .accordion-content {
    padding: 0 18px 18px;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}