/* roulang page: index */
:root {
  --bg-ink: #081119;
  --bg-deep: #0b1d2b;
  --glass: rgba(14, 27, 40, 0.62);
  --glass-deep: rgba(7, 16, 26, 0.72);
  --stroke: rgba(148, 187, 214, 0.22);
  --stroke-strong: rgba(155, 218, 255, 0.45);
  --brand: #36C6D9;
  --brand-two: #2f9ede;
  --support-blue: #5c8dff;
  --success: #34D399;
  --warn: #f3b23a;
  --text-high: #e6f0f7;
  --text-sub: #a7bccc;
  --text-weak: #738b9f;
  --radius-lg: 20px;
  --radius-md: 10px;
  --shadow-soft: 0 20px 60px -20px rgba(0, 0, 0, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg-ink);
  background-image: radial-gradient(circle at 12% 4%, #0e2b3f 0%, rgba(8, 17, 25, 0) 34%), radial-gradient(circle at 88% 20%, #10313f 0%, rgba(8, 17, 25, 0) 30%), linear-gradient(180deg, #07101a 0%, #081119 100%);
  color: var(--text-high);
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15.5px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  border: 0;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: 1.6;
}

.wrap {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
}

.wrap-sm {
  width: min(860px, 100% - 40px);
  margin-inline: auto;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.section {
  padding: 92px 0;
  position: relative;
}

.section-head {
  max-width: 780px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  letter-spacing: 0.08em;
  font-size: 13px;
  background: rgba(54, 198, 217, 0.1);
  border: 1px solid rgba(54, 198, 217, 0.16);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.section-head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.2px;
  margin: 0 0 16px;
}

.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  margin: 0;
}

/* Header Dock */
.site-head {
  position: sticky;
  top: 14px;
  z-index: 200;
  width: min(1180px, calc(100% - 32px));
  margin: 14px auto 0;
}

.dock {
  display: flex;
  align-items: center;
  min-height: 64px;
  gap: 12px;
  padding: 0 18px 0 20px;
  border-radius: 999px;
  background: rgba(8, 18, 29, 0.82);
  border: 1px solid rgba(190, 225, 245, 0.18);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
}

.site-head.scrolled .dock {
  background: rgba(7, 16, 24, 0.9);
  border-color: rgba(155, 218, 255, 0.24);
  box-shadow: 0 18px 50px -14px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
  font-size: 18px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(54, 198, 217, 0.2), rgba(47, 158, 222, 0.14));
  border: 1px solid rgba(54, 198, 217, 0.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.brand-name {
  color: #eaf4fa;
}

.brand-name strong,
.brand-name b {
  font-weight: 700;
  color: var(--brand);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin: 0 auto;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 17px;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.22s;
  border-radius: 999px;
}

.nav-link:hover {
  color: #f0f7fb;
}

.nav-link.active {
  color: var(--brand);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(54, 198, 217, 0.78);
}

.head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 999px;
  transition: transform 0.22s, filter 0.22s, box-shadow 0.22s, border-color 0.22s, color 0.22s;
  white-space: nowrap;
}

.btn-primary {
  min-height: 46px;
  padding: 0 22px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-two) 100%);
  color: #06131c;
  font-weight: 700;
  border: 0;
  box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.35), 0 8px 30px -6px rgba(54, 198, 217, 0.5);
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.55), 0 12px 36px -8px rgba(54, 198, 217, 0.62);
}

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

.btn-ghost {
  min-height: 46px;
  padding: 0 20px;
  color: #d7e6f0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.17);
}

.btn-ghost:hover {
  color: var(--brand);
  border-color: rgba(54, 198, 217, 0.55);
  background: rgba(54, 198, 217, 0.07);
  transform: translateY(-1px);
}

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

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #dbe9f2;
  cursor: pointer;
}

#navSwitch {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 89vh;
  padding: 86px 0 70px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(8, 17, 25, 0.95) 0%, rgba(8, 17, 25, 0.66) 70%), url("/assets/images/backpic/back-1.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.68;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 170px;
  background: linear-gradient(180deg, transparent 0%, var(--bg-ink) 85%);
}

.hero-gridline {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(113, 191, 221, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(113, 191, 221, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 58px;
  align-items: center;
}

.hero-copy {
  padding: 12px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(54, 198, 217, 0.1);
  border: 1px solid rgba(54, 198, 217, 0.22);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--brand);
  font-size: 13px;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 15px;
  height: 15px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.26;
  font-weight: 650;
  letter-spacing: 0.3px;
  margin: 0 0 18px;
  max-width: 680px;
}

.hero-sub {
  color: #c2d5e2;
  font-size: 17px;
  line-height: 1.8;
  max-width: 590px;
  margin: 0 0 28px;
}

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

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  padding: 18px 0 0;
  border-top: 1px solid rgba(200, 225, 245, 0.13);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #b8cbdc;
  font-size: 14px;
}

.trust-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(54, 198, 217, 0.11);
}

.hero-art {
  position: relative;
  min-height: 420px;
}

.art-main {
  position: relative;
  z-index: 2;
  border-radius: 22px;
  padding: 14px 14px 18px;
  background: linear-gradient(145deg, rgba(24, 44, 64, 0.76), rgba(7, 17, 27, 0.68));
  border: 1px solid rgba(155, 218, 255, 0.18);
  box-shadow: 0 32px 80px -20px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.02);
  transform: perspective(1200px) rotateY(-2deg);
}

.art-top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px 12px;
}

.art-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #7d8c9d;
}

.art-top-text {
  margin-left: 8px;
  font-size: 12px;
  color: var(--text-weak);
  letter-spacing: 0.3px;
}

.art-main img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 14px;
  background: #0d1e2b;
}

.art-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 15px 8px 4px;
}

.art-status strong {
  font-size: 15px;
  color: #e8f1f7;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.art-status strong::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.6);
}

.art-status span {
  font-size: 13px;
  color: var(--text-weak);
}

.art-float {
  position: absolute;
  z-index: 3;
  left: -24px;
  bottom: 36px;
  border-radius: 18px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(10, 25, 36, 0.82);
  border: 1px solid rgba(155, 218, 255, 0.2);
  box-shadow: 0 18px 44px -14px rgba(0, 0, 0, 0.45);
  max-width: 260px;
}

.art-float .icon {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(54, 198, 217, 0.12);
  border: 1px solid rgba(54, 198, 217, 0.3);
  color: var(--brand);
}

.art-float .icon svg {
  width: 19px;
  height: 19px;
}

.art-float strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #f2f8fb;
  line-height: 1.3;
}

.art-float small {
  color: var(--text-weak);
  font-size: 13px;
}

/* Feature intro */
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  padding: 28px;
  position: relative;
  transition: transform 0.3s, border-color 0.3s, background 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--stroke-strong);
  background: rgba(22, 42, 62, 0.75);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  background: rgba(54, 198, 217, 0.1);
  border: 1px solid rgba(54, 198, 217, 0.22);
  margin-bottom: 18px;
}

.feature-icon svg {
  width: 25px;
  height: 25px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 12px;
  color: #eaf3fa;
}

.feature-card p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

.feature-tagline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.feature-tagline span {
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(148, 187, 214, 0.18);
  color: #b9d2df;
}

/* Steps */
.steps-area {
  background: linear-gradient(180deg, #09131e 0%, #0b1c2a 100%);
  overflow: hidden;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  list-style: none;
  counter-reset: steps;
  padding: 0;
  margin: 0;
}

.step-card {
  counter-increment: steps;
  position: relative;
  padding: 28px 24px 24px;
  border-radius: 24px;
  background: rgba(16, 31, 45, 0.64);
  border: 1px solid rgba(148, 187, 214, 0.16);
  transition: all 0.3s;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(155, 218, 255, 0.3);
  background: rgba(20, 39, 57, 0.72);
}

.step-card::before {
  content: "0" counter(steps);
  display: block;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1;
  color: rgba(54, 198, 217, 0.25);
  margin-bottom: 24px;
  font-variant-numeric: tabular-nums;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #e9f2f8;
  margin: 0 0 10px;
}

.step-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}

/* Compare / service */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: 30px 26px 26px;
  transition: transform 0.3s, border-color 0.3s, background 0.3s;
  position: relative;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--stroke-strong);
}

.service-card.recommended {
  background: linear-gradient(160deg, rgba(22, 51, 68, 0.92), rgba(10, 22, 33, 0.86));
  border-color: rgba(54, 198, 217, 0.46);
  box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.1), 0 24px 70px -20px rgba(54, 198, 217, 0.25);
}

.mini-flag {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 12px;
  background: rgba(243, 178, 58, 0.14);
  color: #ffd27a;
  border: 1px solid rgba(243, 178, 58, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
}

.service-card h3 {
  font-size: 21px;
  color: #eaf2f8;
  margin: 0 0 8px;
}

.service-remark {
  color: var(--text-sub);
  font-size: 14px;
  min-height: 40px;
  margin-bottom: 20px;
}

.service-fork-groups {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.service-fork-groups li {
  position: relative;
  padding-left: 22px;
  color: #c7dbea;
  font-size: 14.5px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.service-fork-groups li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 6px rgba(54, 198, 217, 0.5);
}

.service-card .btn {
  margin-top: auto;
}

/* News / CMS */
.news-block {
  background: rgba(7, 17, 27, 0.5);
}

.news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.news-lead {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  transition: border-color 0.3s, transform 0.3s;
}

.news-lead:hover {
  transform: translateY(-3px);
  border-color: var(--stroke-strong);
}

.news-lead .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #10232f;
  border-radius: 20px 20px 0 0;
}

.news-lead-body {
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-lead-body h3 {
  font-size: 21px;
  line-height: 1.5;
  margin: 14px 0 10px;
  color: #eaf3fa;
  font-weight: 600;
}

.news-lead-body p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 19px;
}

.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
  color: var(--text-weak);
  font-size: 13px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  background: rgba(54, 198, 217, 0.1);
  border: 1px solid rgba(54, 198, 217, 0.18);
  color: var(--brand);
  padding: 3px 11px;
  font-size: 12px;
}

.news-line {
  display: block;
  padding: 22px 20px;
  transition: all 0.2s;
}

.news-line:hover {
  background: rgba(54, 198, 217, 0.1);
  border-color: rgba(54, 198, 217, 0.22);
}

.news-line + .news-line {
  border-top: 1px solid rgba(148, 187, 214, 0.12);
}

.news-line-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.news-line time {
  white-space: nowrap;
  color: var(--text-weak);
  font-size: 13px;
  padding-top: 5px;
}

.news-line-info {
  min-width: 0;
  flex: 1;
}

.news-line-info .title {
  display: block;
  font-size: 16px;
  color: #dcebf4;
  font-weight: 550;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.5;
}

.news-line-info .desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-sub);
  font-size: 13.5px;
  line-height: 1.7;
  margin-top: 5px;
}

.news-arrow {
  color: var(--brand);
  flex-shrink: 0;
  margin-top: 6px;
  font-size: 18px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s, transform 0.25s;
}

.news-line:hover .news-arrow {
  opacity: 1;
  transform: translateX(0);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 70px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-weak);
  font-size: 16px;
  text-align: center;
}

/* Topic cards */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.topic-card {
  overflow: hidden;
  display: block;
  position: relative;
  border-radius: 24px;
  transition: transform 0.3s, border-color 0.3s;
}

.topic-card:hover {
  transform: translateY(-5px);
  border-color: rgba(155, 218, 255, 0.32);
}

.topic-card-body {
  display: block;
  background: rgba(10, 20, 30, 0.56);
  padding: 30px;
  backdrop-filter: blur(14px);
}

.topic-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: #10232f;
}

.topic-card .inner {
  display: block;
}

.topic-card h3 {
  font-size: 20px;
  color: #eaf3fa;
  margin: 0 0 10px;
  font-weight: 600;
}

.topic-card p {
  color: var(--text-sub);
  font-size: 14.5px;
  margin: 0 0 17px;
}

.topic-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 600;
  font-size: 14px;
}

.topic-link svg {
  width: 17px;
  height: 17px;
  transition: transform 0.2s;
}

.topic-card:hover .topic-link svg {
  transform: translateX(4px);
}

/* FAQ */
.faq-wrap {
  max-width: 850px;
  margin: auto;
}

details.faq-item {
  border-radius: 16px;
  padding: 0;
  margin-bottom: 14px;
  background: rgba(14, 27, 40, 0.5);
  border: 1px solid rgba(148, 187, 214, 0.18);
  transition: border-color 0.25s, background 0.25s;
}

details.faq-item:hover {
  border-color: rgba(155, 218, 255, 0.3);
  background: rgba(17, 33, 48, 0.6);
}

details.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  color: #dfebf3;
  font-weight: 600;
  font-size: 16px;
  user-select: none;
}

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

details.faq-item summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(54, 198, 217, 0.12);
  color: var(--brand);
  font-size: 20px;
  font-weight: 400;
  transition: transform 0.3s, background 0.3s;
}

details[open].faq-item summary::after {
  transform: rotate(45deg);
  background: rgba(54, 198, 217, 0.22);
}

details.faq-item .faq-answer {
  padding: 0 24px 20px;
  color: var(--text-sub);
  line-height: 1.85;
  margin: 0;
  font-size: 15px;
}

/* Help form CTA */
.help-section {
  background: linear-gradient(180deg, #081119 0%, #091826 60%, #101c28 100%);
  position: relative;
  overflow: hidden;
}

.help-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  opacity: 0.18;
  pointer-events: none;
}

.help-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.help-copy {
  padding-top: 8px;
}

.help-copy h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.4;
  margin: 0 0 20px;
}

.help-copy p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.9;
  margin: 0 0 28px;
}

.help-points {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.help-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #c6d8e5;
  margin-bottom: 13px;
  font-size: 15px;
}

.help-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 8px rgba(54, 198, 217, 0.7);
  margin-top: 10px;
}

.help-note {
  display: inline-flex;
  gap: 10px;
  color: var(--text-weak);
  font-size: 13px;
  background: rgba(54, 198, 217, 0.08);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(54, 198, 217, 0.3);
}

.form-card {
  padding: 28px 30px 32px;
  border-radius: 24px;
}

.form-title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 20px;
  color: #eaf3fa;
}

.form-row {
  margin-bottom: 18px;
}

.form-row label {
  display: block;
  font-size: 14px;
  color: #b7cbd8;
  margin-bottom: 6px;
  font-weight: 550;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  height: 48px;
  background: rgba(4, 10, 18, 0.42);
  border: 1px solid rgba(148, 187, 214, 0.22);
  border-radius: 12px;
  color: #e7f0f7;
  padding: 0 15px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  outline: none;
}

.form-row textarea {
  height: 120px;
  padding: 12px 15px;
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(54, 198, 217, 0.13);
  background: rgba(4, 12, 20, 0.7);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: #5c7488;
}

.form-row select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a7bccc' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-success {
  display: none;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.34);
  color: #c9f5e0;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  margin-top: 16px;
}

.form-success.show {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-success::before {
  content: "✓";
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.22);
  color: var(--success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

/* Footer */
.site-foot {
  position: relative;
  background: #060e16;
  border-top: 1px solid rgba(184, 218, 239, 0.12);
  padding: 56px 0 26px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  gap: 46px;
  align-items: start;
}

.foot-brand p {
  color: #708799;
  font-size: 14px;
  line-height: 1.85;
  margin: 20px 0 0;
  max-width: 390px;
}

.foot-title {
  font-size: 15px;
  color: #b6cad9;
  margin: 0 0 19px;
}

.foot-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.foot-links li {
  margin-bottom: 10px;
}

.foot-links a {
  color: #708799;
  font-size: 14px;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.foot-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--brand);
  border-radius: 50%;
  display: inline-block;
  opacity: 0.6;
}

.foot-links a:hover {
  color: #cde1ed;
}

.foot-contact {
  color: #708799;
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
}

.foot-bottom {
  border-top: 1px solid rgba(148, 187, 214, 0.1);
  margin-top: 48px;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: #5c7385;
  font-size: 13px;
}

.foot-bottom a {
  color: #7f95a7;
}

/* Accessibility focus */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

.link-btn {
  color: var(--brand);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.link-btn svg {
  transition: transform 0.2s;
}

.link-btn:hover svg {
  transform: translateX(5px);
}

/* Responsive */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    gap: 28px;
  }

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

  .service-card.recommended {
    order: -1;
  }

  .nav-link {
    padding: 0 12px;
  }
}

@media (max-width: 860px) {
  .site-head {
    margin: 8px auto 0;
    top: 8px;
  }

  .dock {
    border-radius: 26px;
    flex-wrap: wrap;
    padding: 12px 14px;
    position: relative;
  }

  .brand {
    margin-right: 4px;
  }

  .head-actions {
    margin-left: auto;
  }

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

  .nav {
    order: 4;
    flex-basis: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    margin: 12px 0 6px;
    background: rgba(7, 17, 26, 0.72);
    border: 1px solid rgba(148, 187, 214, 0.14);
    border-radius: 18px;
    padding: 10px;
    gap: 6px;
  }

  #navSwitch:checked ~ .dock .nav {
    display: flex;
  }

  #navSwitch:checked ~ .dock .menu-toggle svg {
    transform: rotate(45deg);
  }

  .nav-link {
    border-radius: 12px;
    justify-content: flex-start;
    padding: 0 14px;
    min-height: 46px;
  }

  .nav-link.active::after {
    left: 9px;
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
    width: 7px;
    height: 7px;
  }

  .hero {
    min-height: auto;
    padding: 58px 0 62px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-art {
    min-height: auto;
    max-width: 560px;
    margin: 0 auto;
    width: 100%;
  }

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

  .news-lead .thumb {
    aspect-ratio: 16 / 7;
  }

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

  .help-content {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 540px) {
  .wrap {
    width: min(100% - 30px, 1180px);
  }

  .section {
    padding: 62px 0;
  }

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

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

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

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

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

  .feature-list,
  .service-grid,
  .steps-grid,
  .topic-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .service-card.recommended {
    order: -1;
  }

  .art-float {
    left: 12px;
    right: 12px;
    bottom: -14px;
    max-width: none;
  }

  .news-lead-body {
    padding: 20px 18px 22px;
  }

  .news-line-row {
    flex-direction: column;
    gap: 4px;
  }

  .news-line-row time {
    padding: 0;
    font-size: 12px;
  }

  .news-arrow {
    display: none;
  }

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

/* roulang page: category1 */
:root{
  --bg:#081119;
  --bg2:#0B1D2B;
  --panel:rgba(14,27,40,0.58);
  --panel-hover:rgba(22,36,52,0.72);
  --stroke:rgba(148,187,214,0.22);
  --stroke-hover:rgba(155,218,255,0.44);
  --brand:#36C6D9;
  --blue:#5C8DFF;
  --success:#34D399;
  --warn:#F3B23A;
  --text:#E6F0F7;
  --muted:#A7BCCC;
  --dim:#738B9F;
  --radius:20px;
  --shadow-card:0 20px 50px -20px rgba(0,0,0,0.45);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:
    radial-gradient(1100px 680px at 82% -8%, rgba(54,198,217,0.12), transparent 48%),
    radial-gradient(880px 560px at 0% 14%, rgba(92,141,255,0.08), transparent 44%),
    linear-gradient(180deg,#081119 0%,#0B1D2B 100%);
  background-color:#081119;
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
.container,.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(18px,4vw,40px);padding-right:clamp(18px,4vw,40px)}
.section{padding:clamp(70px,9vw,110px) 0}
.section-light{background:rgba(10,23,34,0.32)}
.section-head{max-width:780px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:0.3px;color:var(--brand);background:rgba(54,198,217,0.1);border:1px solid rgba(54,198,217,0.22);border-radius:999px;padding:6px 14px;font-weight:500}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);display:inline-block}
.section-title{font-size:clamp(22px,2.7vw,34px);line-height:1.3;font-weight:600;letter-spacing:0.2px;margin-top:16px}
.section-sub{font-size:16px;line-height:1.8;color:var(--muted);margin-top:14px}
h2{font-size:clamp(22px,2.7vw,34px);font-weight:600;line-height:1.3}
h3{font-size:19px;font-weight:600;color:var(--text)}
.lead-copy{font-size:17px;line-height:1.9;color:#b9cbd8}

/* 顶部悬浮导航 */
.site-header{position:sticky;top:-16px;z-index:50;padding:16px 18px 0}
.nav-dock{
  display:flex;align-items:center;justify-content:center;
  max-width:1200px;margin:0 auto;height:64px;padding:0 12px 0 18px;
  background:rgba(8,17,25,0.74);
  border:1px solid rgba(190,225,245,0.16);
  border-radius:999px;
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:0 14px 40px -14px rgba(0,0,0,0.75);
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:#fff;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:var(--brand);background:linear-gradient(135deg,rgba(54,198,217,0.22),rgba(92,141,255,0.12));border:1px solid rgba(54,198,217,0.32);box-shadow:inset 0 1px 0 rgba(255,255,255,0.08),0 8px 22px -10px rgba(54,198,217,0.4)}
.brand-name{font-size:18px;letter-spacing:0.2px}
.brand-name strong{font-weight:700;color:var(--brand)}
.nav{display:flex;align-items:center;gap:4px;margin:0 auto;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 16px;border-radius:999px;
  color:rgba(167,188,204,0.86);font-size:15px;font-weight:500;
  transition:color .25s,background .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(54,198,217,0.08)}
.nav-link.active{color:#fff;background:rgba(54,198,217,0.14);box-shadow:inset 0 0 0 1px rgba(54,198,217,0.24)}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid rgba(148,187,214,0.18);background:rgba(255,255,255,0.03);display:grid;place-items:center;color:var(--muted);cursor:pointer;transition:all .25s}
.icon-btn:hover{background:rgba(255,255,255,0.08);color:#fff;border-color:rgba(54,198,217,0.35)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .25s,background .25s,border-color .25s,color .25s,box-shadow .25s,filter .25s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#36C6D9,#2F9EDE);color:#07141D;box-shadow:0 0 0 1px rgba(54,198,217,0.28),0 10px 32px -10px rgba(54,198,217,0.55)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.16);color:var(--text)}
.btn-ghost:hover{border-color:rgba(54,198,217,0.6);color:var(--brand)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}
.btn:focus-visible,.nav-link:focus-visible,.icon-btn:focus-visible,.form-button:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 6px rgba(54,198,217,0.35)}
.skip-content{padding:0;margin:0;font-size:0}

/* 玻璃卡片 */
.glass-card{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,0.05);transition:transform .3s,background .3s,border .3s,box-shadow .3s}
.glass-card.hoverable:hover{transform:translateY(-4px); background:var(--panel-hover);border-color:var(--stroke-hover);box-shadow:0 26px 60px -22px rgba(0,0,0,0.65),inset 0 1px 0 rgba(255,255,255,0.07)}
.feature-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;color:var(--brand);background:linear-gradient(135deg,rgba(54,198,217,0.2),rgba(92,141,255,0.1));border:1px solid rgba(54,198,217,0.24);box-shadow:inset 0 1px 0 rgba(255,255,255,0.06)}
.badge{display:inline-flex;align-items:center;font-size:13px;font-weight:500;padding:4px 12px;border-radius:999px;background:rgba(54,198,217,0.12);color:var(--brand);line-height:1.4}

/* 分类页主视觉 */
.category-hero{position:relative;overflow:hidden;padding:clamp(64px,8vw,96px) 0 56px}
.hero-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0.13;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,0.95fr);gap:clamp(40px,5vw,76px);align-items:center;position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--dim);margin-bottom:26px;position:relative;z-index:2;flex-wrap:wrap}
.crumbs a{color:var(--muted);transition:color .25s}
.crumbs a:hover{color:var(--brand)}
.crumbs span{margin:0 4px}
.hero-visual{position:relative;border-radius:28px;padding:12px;background:rgba(8,17,25,0.5);border:1px solid rgba(148,187,214,0.24);box-shadow:0 30px 80px -28px rgba(0,0,0,0.8),inset 0 1px 0 rgba(255,255,255,0.06);backdrop-filter:blur(12px)}
.hero-visual-media{width:100%;height:clamp(210px,26vw,330px);object-fit:cover;border-radius:20px;pointer-events:none}
.hero-visual-chip{position:absolute;left:20px;right:20px;bottom:24px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:rgba(8,17,25,0.7);border:1px solid rgba(54,198,217,0.32);border-radius:16px;backdrop-filter:blur(18px);padding:12px 16px;box-shadow:0 14px 40px -14px rgba(0,0,0,0.7)}
.dot-light{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#fff}
.dot-light i{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 12px rgba(52,211,153,0.7)}
.hero-stat-list{display:flex;flex-wrap:wrap;gap:18px 28px;margin-top:30px}
.hero-stat{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-stat i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(54,198,217,0.5)}

/* 特征网格 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:clamp(36px,5vw,52px)}
.feature-card{padding:28px}
.feature-card h3{margin-top:20px}
.feature-card p{color:var(--muted);font-size:15px;line-height:1.8;margin-top:10px}
.feature-list{margin-top:16px;display:grid;gap:9px}
.feature-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:#b9cbd8}
.feature-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex-shrink:0}

/* 准备区 / 双栏 */
.split-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,0.95fr);gap:clamp(36px,5vw,70px);align-items:center}
.prep-media{position:relative;border-radius:24px;padding:12px;background:rgba(8,17,25,0.42);border:1px solid var(--stroke);box-shadow:var(--shadow-card)}
.prep-media img{width:100%;height:100%;min-height:250px;object-fit:cover;border-radius:18px}
.media-note{position:absolute;right:24px;bottom:24px;background:rgba(8,17,25,0.75);border:1px solid rgba(54,198,217,0.3);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:14px;backdrop-filter:blur(12px)}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#b9cbd8;font-size:15px;line-height:1.7}
.check-list li .check{flex-shrink:0;width:22px;height:22px;margin-top:3px;border-radius:50%;background:rgba(54,198,217,0.14);display:grid;place-items:center;color:var(--brand);font-size:13px}
.check-list li strong{color:var(--text);font-weight:600}

/* 流程步骤 */
.process-section{position:relative;overflow:hidden}
.process-section::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 350px at 50% 0%,rgba(54,198,217,0.08),transparent 70%);pointer-events:none}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.process-card{padding:26px 22px;position:relative;overflow:hidden}
.process-card .step-num{font-size:44px;font-weight:700;line-height:1;color:rgba(54,198,217,0.2);display:block;transition:color .3s}
.process-card:hover .step-num{color:rgba(54,198,217,0.75)}
.process-card h3{margin-top:18px;font-size:18px}
.process-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:10px}

/* 场景 */
.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}
.scenario-card{display:flex;gap:20px;padding:24px;align-items:flex-start}
.scenario-icon{flex-shrink:0;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(92,141,255,0.1);color:#a6c1ff;border:1px solid rgba(92,141,255,0.2)}
.scenario-card h3{font-size:17px}
.scenario-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:8px}

/* FAQ */
.faq-wrap{max-width:860px;margin:44px auto 0}
.faq-item{border:1px solid rgba(148,187,214,0.16);border-radius:18px;background:rgba(14,27,40,0.5);overflow:hidden;margin-bottom:14px;transition:border .3s,background .3s}
.faq-item:hover{border-color:rgba(155,218,255,0.3)}
.faq-item[open]{background:rgba(22,36,52,0.6);border-color:rgba(54,198,217,0.28)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-weight:600;font-size:16px;color:var(--text);transition:color .25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#fff}
.faq-item summary::after{content:"+";font-size:24px;font-weight:400;color:var(--brand);line-height:1;transition:transform .3s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:4px 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;border-top:1px solid rgba(148,187,214,0.12)}
.faq-answer p{padding-top:16px}

/* CTA区 */
.cta-section{position:relative;overflow:hidden}
.cta-inner{position:relative;border-radius:30px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,68px);align-items:center;overflow:hidden;border:1px solid rgba(54,198,217,0.22);background:linear-gradient(135deg,rgba(9,24,36,0.8),rgba(21,51,66,0.55));box-shadow:0 30px 80px -34px rgba(0,0,0,0.8)}
.cta-inner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(54,198,217,0.07),transparent 40%)}
.cta-media-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0.16;pointer-events:none}
.cta-left{position:relative;z-index:2}
.cta-left h2{font-size:clamp(24px,3vw,34px)}
.cta-left p{margin-top:18px;color:#b9cbd8;font-size:15px;line-height:1.85;max-width:420px}
.cta-contact{display:grid;gap:10px;margin-top:24px}
.cta-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.cta-contact li svg{color:var(--brand)}
.form-card{background:rgba(8,17,25,0.58);border:1px solid rgba(148,187,214,0.2);border-radius:24px;padding:clamp(22px,4vw,32px);backdrop-filter:blur(16px)}
.form-card h3{font-size:19px}
.form-card .hint{font-size:14px;color:var(--dim);margin-top:6px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-top:18px}
.form-group label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.form-input,.form-select,.form-textarea{width:100%;height:48px;background:rgba(4,10,18,0.48);border:1px solid rgba(148,187,214,0.2);border-radius:12px;padding:0 16px;color:var(--text);transition:border .3s,box-shadow .3s;font-size:15px}
.form-textarea{height:110px;padding:14px 16px;resize:vertical;line-height:1.6}
.form-input::placeholder,.form-textarea::placeholder{color:#5f7c91}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(54,198,217,0.14)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath fill='%23A7BCCC' d='M7 8 0 0h14L7 8Z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px;cursor:pointer}
.form-button{width:100%;height:48px;margin-top:20px;border-radius:14px;justify-content:center}
.form-success{display:none;align-items:center;gap:10px;margin-top:16px;font-size:14px;color:#6ee7a8;background:rgba(52,211,153,0.1);border:1px solid rgba(52,211,153,0.25);border-radius:12px;padding:12px 14px}
.form-success.show{display:flex}
.cols-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}

/* 页脚 */
.site-foot{margin-top:60px;border-top:1px solid rgba(148,187,214,0.12);background:linear-gradient(180deg,transparent,rgba(3,8,14,0.85));padding-top:56px}
.foot-grid{display:grid;grid-template-columns:5fr 3fr 4fr;gap:40px;padding-bottom:40px}
.foot-brand .brand{font-size:18px}
.foot-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:420px;margin-top:20px}
.foot-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:20px}
.foot-links{display:grid;gap:12px}
.foot-links a{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:7px;transition:color .25s}
.foot-links a:hover{color:var(--brand)}
.foot-contact{font-size:14px;color:var(--muted);line-height:1.9}
.foot-bottom{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,0.07);padding:22px 0 26px;font-size:13px;color:var(--dim)}

/* 响应式 */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .split-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr}
  .site-header{position:sticky;top:0;padding:10px 12px 0}
  .nav-dock{height:auto;min-height:62px;flex-wrap:wrap;padding:10px 12px;border-radius:24px;gap:8px}
  .nav{order:3;width:100%;margin:0;overflow-x:auto;padding-bottom:2px;justify-content:flex-start}
  .brand{order:1}
  .header-actions{order:2;margin-left:auto}
  .section{padding:60px 0}
}
@media (max-width:767px){
  .feature-grid{grid-template-columns:1fr}
  .scenario-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .form-row{grid-template-columns:1fr;gap:0}
  .cols-2{grid-template-columns:1fr;gap:0}
  .section{scroll-margin-top:120px}
  .category-hero{padding-top:44px}
  .icon-btn{display:none}
  .cta-inner{border-radius:22px}
}
@media (max-width:520px){
  .nav-dock{padding:10px}
  .brand-name{font-size:16px}
  .brand-mark{width:34px;height:34px}
  .btn-sm{height:36px;font-size:13px;padding:0 14px}
  .nav-link{padding:0 12px;font-size:14px}
  .hero-stat-list{gap:14px 22px}
}

/* roulang page: article */
:root {
      --bg: #081119;
      --bg-alt: #0b1d2b;
      --panel: rgba(14, 27, 40, 0.62);
      --panel-strong: rgba(8, 16, 25, 0.76);
      --line: rgba(148, 187, 214, 0.22);
      --line-strong: rgba(155, 218, 255, 0.45);
      --primary: #36c6d9;
      --primary-glow: rgba(54, 198, 217, 0.5);
      --blue-glint: #5c8dff;
      --success: #34d399;
      --warning: #f3b23a;
      --text-hi: #e6f0f7;
      --text-mid: #a7bccc;
      --text-low: #738b9f;
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-sm: 6px;
      --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.48);
      --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text-hi);
      font-family: var(--font);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    body::before {
      content: "";
      display: block;
      min-height: 260px;
      background: radial-gradient(600px 300px at 12% -4%, rgba(54, 198, 217, 0.08), transparent 62%),
        radial-gradient(700px 320px at 88% 6%, rgba(92, 141, 255, 0.06), transparent 60%),
        linear-gradient(180deg, #081119 0%, #0b1d2b 100%);
      pointer-events: none;
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      z-index: 0;
    }

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

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

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    a,
    button {
      -webkit-tap-highlight-color: transparent;
    }

    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .wrap {
      max-width: 1180px;
      margin-inline: auto;
      padding-inline: 24px;
    }

    .wrap-narrow {
      max-width: 820px;
      margin-inline: auto;
      padding-inline: 24px;
    }

    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-lead {
      color: var(--text-mid);
      margin: 8px 0 0 0;
      font-size: 16px;
    }

    .site-header {
      position: fixed;
      top: 16px;
      left: 0;
      right: 0;
      z-index: 60;
      padding-inline: 20px;
    }

    .dock {
      max-width: 1180px;
      margin: 0 auto;
      height: 64px;
      padding: 0 22px;
      background: rgba(9, 20, 30, 0.7);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(190, 225, 245, 0.18);
      border-radius: 999px;
      box-shadow: 0 18px 48px -22px rgba(0, 0, 0, 0.72);
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    }

    .site-header.scrolled .dock {
      background: rgba(7, 15, 24, 0.88);
      border-color: rgba(155, 218, 255, 0.3);
      box-shadow: 0 24px 60px -22px rgba(0, 0, 0, 0.82);
    }

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

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(54, 198, 217, 0.14);
      color: var(--primary);
      border: 1px solid rgba(54, 198, 217, 0.18);
      flex: 0 0 auto;
    }

    .brand-name {
      font-size: 18px;
      font-weight: 600;
      letter-spacing: 0.4px;
      color: #ffffff;
      line-height: 1.2;
    }

    .brand-name strong {
      color: var(--primary);
      font-weight: 700;
    }

    .primary-nav {
      display: flex;
      align-items: center;
      gap: 24px;
      margin: 0 auto;
      padding: 0 10px;
    }

    .primary-nav .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 6px;
      color: var(--text-mid);
      font-size: 15px;
      font-weight: 500;
      letter-spacing: 0.2px;
      transition: color 0.22s ease;
    }

    .primary-nav .nav-link:hover {
      color: var(--text-hi);
    }

    .primary-nav .nav-link.active {
      color: var(--primary);
    }

    .primary-nav .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: -2px;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 12px rgba(54, 198, 217, 0.9);
    }

    .dock-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .dock-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 38px;
      padding: 0 20px;
      background: linear-gradient(135deg, #36c6d9, #2f9ede);
      color: #07141d;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.22), 0 8px 24px -10px rgba(54, 198, 217, 0.64);
      transition: transform 0.24s ease, box-shadow 0.24s ease, filter 0.24s ease;
    }

    .dock-cta:hover {
      transform: translateY(-1px);
      filter: brightness(1.08);
      box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.36), 0 12px 30px -8px rgba(54, 198, 217, 0.7);
    }

    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 14px;
      border: 1px solid rgba(190, 225, 245, 0.14);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-mid);
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: color 0.2s ease, border-color 0.2s ease;
    }

    .menu-toggle:hover {
      color: var(--primary);
      border-color: rgba(54, 198, 217, 0.4);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 48px;
      padding: 0 24px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      white-space: nowrap;
      cursor: pointer;
      transition: transform 0.24s ease, box-shadow 0.24s ease, background 0.24s ease, color 0.24s ease, border-color 0.24s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #36c6d9, #2f9ede);
      color: #07141d;
      box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.24), 0 12px 36px -10px rgba(54, 198, 217, 0.5);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow: 0 0 0 1px rgba(54, 198, 217, 0.42), 0 18px 42px -10px rgba(54, 198, 217, 0.62);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(205, 224, 238, 0.18);
      color: var(--text-hi);
    }

    .btn-ghost:hover {
      color: var(--primary);
      border-color: rgba(54, 198, 217, 0.48);
      transform: translateY(-2px);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(54, 198, 217, 0.12);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.6;
    }

    .article-hero {
      position: relative;
      min-height: 300px;
      padding: 166px 0 56px;
      background-size: cover;
      background-position: center;
      display: flex;
      align-items: center;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8, 17, 25, 0.72) 0%, rgba(8, 17, 25, 0.88) 68%, rgba(8, 17, 25, 0.98) 100%);
    }

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

    .crumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-low);
      margin-bottom: 30px;
    }

    .crumb a {
      color: var(--text-mid);
      transition: color 0.2s ease;
    }

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

    .crumb .crumb-sep {
      color: rgba(115, 139, 159, 0.6);
    }

    .crumb .crumb-current {
      color: var(--text-low);
      max-width: 360px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .article-title {
      font-size: clamp(30px, 4.6vw, 46px);
      font-weight: 600;
      line-height: 1.25;
      letter-spacing: 0.4px;
      max-width: 860px;
      margin: 0 0 20px 0;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px 16px;
      color: var(--text-mid);
      font-size: 13px;
    }

    .meta-text {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--text-low);
    }

    .meta-text strong {
      color: var(--text-mid);
      font-weight: 500;
    }

    .article-body-section {
      padding: 60px 0 76px;
    }

    .article-body {
      font-size: 17px;
      line-height: 1.9;
      color: #dbe9f3;
      background: rgba(10, 21, 34, 0.5);
      border: 1px solid rgba(148, 187, 214, 0.16);
      border-radius: var(--radius-lg);
      padding: 36px 36px 46px;
      box-shadow: var(--shadow);
    }

    .article-body > * + * {
      margin-top: 1.2em;
    }

    .article-body p {
      margin: 0 0 1.35em;
    }

    .article-body h1,
    .article-body h2 {
      font-size: 24px;
      line-height: 1.45;
      margin: 0 0 18px 0;
      padding-left: 14px;
      border-left: 4px solid var(--primary);
      font-weight: 600;
    }

    .article-body h3 {
      font-size: 20px;
      font-weight: 550;
      line-height: 1.5;
      margin: 0 0 14px 0;
    }

    .article-body a {
      color: var(--primary);
      text-decoration: underline;
      text-decoration-color: rgba(54, 198, 217, 0.35);
      text-underline-offset: 4px;
      transition: text-decoration-color 0.2s ease, color 0.2s ease;
    }

    .article-body a:hover {
      text-decoration-color: var(--primary);
      color: #6be4e8;
    }

    .article-body ul,
    .article-body ol {
      margin: 0.6em 0 1.4em;
      padding-left: 1.4em;
    }

    .article-body ul li {
      list-style: none;
      position: relative;
      padding-left: 0.5em;
    }

    .article-body ul li::before {
      content: "";
      position: absolute;
      left: -1em;
      top: 0.74em;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--primary);
    }

    .article-body ol li {
      margin-bottom: 0.4em;
      padding-left: 0.4em;
    }

    .article-body blockquote {
      border-left: 3px solid var(--primary);
      background: rgba(148, 187, 214, 0.06);
      padding: 18px 22px;
      border-radius: 0 14px 14px 0;
      margin: 1.8em 0;
      color: var(--text-mid);
    }

    .article-body blockquote p {
      margin: 0;
    }

    .article-body pre {
      background: #060e15;
      border-radius: 14px;
      padding: 20px;
      overflow-x: auto;
      font-size: 14px;
      color: #cfe7f2;
      line-height: 1.7;
      border: 1px solid rgba(148, 187, 214, 0.12);
      margin: 1.5em 0;
    }

    .article-body code {
      background: rgba(54, 198, 217, 0.08);
      color: #66e4e8;
      border-radius: 6px;
      padding: 2px 6px;
      font-size: 14px;
    }

    .article-body pre code {
      background: transparent;
      padding: 0;
      color: inherit;
    }

    .article-body img {
      border-radius: 18px;
      margin-top: 1.2em;
      border: 1px solid rgba(148, 187, 214, 0.16);
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5em 0;
      font-size: 15px;
    }

    .article-body th,
    .article-body td {
      border: 1px solid rgba(148, 187, 214, 0.18);
      padding: 10px 14px;
      text-align: left;
    }

    .article-body th {
      background: rgba(54, 198, 217, 0.1);
      color: var(--text-hi);
      font-weight: 600;
    }

    .article-body hr {
      border: 0;
      border-top: 1px solid rgba(148, 187, 214, 0.14);
      margin: 2em 0;
    }

    .post-foot {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 40px;
      padding: 24px 0 0;
      border-top: 1px solid rgba(148, 187, 214, 0.14);
      color: var(--text-low);
      font-size: 14px;
    }

    .section-head {
      margin-bottom: 34px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .section-head h2 {
      font-size: clamp(24px, 3vw, 32px);
      font-weight: 600;
      letter-spacing: 0.2px;
      margin: 0;
    }

    .section-caption {
      color: var(--text-mid);
      font-size: 15px;
      line-height: 1.7;
      max-width: 560px;
    }

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

    .media-card {
      display: flex;
      flex-direction: column;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .media-card:hover {
      transform: translateY(-4px);
      border-color: var(--line-strong);
      box-shadow: 0 30px 70px -22px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(155, 218, 255, 0.14);
    }

    .media-card .thumb {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #0c1f32;
    }

    .media-card .thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .media-card:hover .thumb img {
      transform: scale(1.045);
    }

    .media-body {
      display: flex;
      flex-direction: column;
      flex: 1;
      padding: 22px 22px 24px;
    }

    .media-body h3 {
      font-size: 17px;
      font-weight: 600;
      line-height: 1.55;
      color: var(--text-hi);
      margin: 12px 0 10px 0;
    }

    .media-body p {
      color: var(--text-mid);
      font-size: 14px;
      line-height: 1.7;
      margin: 0 0 18px 0;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .read-more {
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-size: 14px;
      font-weight: 600;
    }

    .read-more svg {
      transition: transform 0.24s ease;
    }

    .media-card:hover .read-more svg {
      transform: translateX(4px);
    }

    .faq-grid {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--line);
      background: rgba(14, 27, 40, 0.48);
      border-radius: 18px;
      margin-bottom: 14px;
      padding: 0 22px;
      transition: border-color 0.24s ease, background 0.24s ease;
    }

    .faq-item:hover {
      border-color: rgba(155, 218, 255, 0.34);
      background: rgba(16, 32, 46, 0.62);
    }

    .faq-item details {
      position: relative;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 40px 18px 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-hi);
      line-height: 1.5;
    }

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

    .faq-item summary::after {
      content: "";
      position: absolute;
      right: 2px;
      top: 24px;
      width: 22px;
      height: 22px;
      border-radius: 999px;
      background: rgba(54, 198, 217, 0.1);
      transition: transform 0.3s ease, background 0.3s ease;
    }

    .faq-item summary::before {
      content: "+";
      position: absolute;
      right: 9px;
      top: 19px;
      z-index: 2;
      font-size: 17px;
      color: var(--primary);
      line-height: 1;
      font-weight: 600;
      transition: transform 0.26s ease;
    }

    .faq-item details[open] summary::before {
      transform: rotate(45deg);
    }

    .faq-answer {
      padding: 0 0 22px;
      color: var(--text-mid);
      font-size: 15px;
      line-height: 1.8;
    }

    .faq-answer p {
      margin: 0;
    }

    .cta-panel {
      position: relative;
      border-radius: 28px;
      padding: 54px 56px;
      overflow: hidden;
      background-size: cover;
      background-position: center;
      border: 1px solid rgba(155, 218, 255, 0.24);
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(7, 16, 26, 0.92) 15%, rgba(8, 17, 25, 0.82) 56%, rgba(10, 28, 42, 0.9) 100%);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      top: 0;
      left: 18%;
      width: 260px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(54, 198, 217, 0.36), transparent);
    }

    .cta-content {
      position: relative;
      z-index: 2;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .cta-copy {
      max-width: 620px;
    }

    .cta-copy h2 {
      font-size: clamp(24px, 3vw, 32px);
      font-weight: 600;
      line-height: 1.35;
      margin: 0 0 12px 0;
    }

    .cta-copy p {
      margin: 0;
      color: var(--text-mid);
      font-size: 16px;
      line-height: 1.8;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .empty-section {
      min-height: 74vh;
      display: flex;
      align-items: center;
    }

    .empty-box {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 54px 36px;
      text-align: center;
      box-shadow: var(--shadow);
    }

    .empty-box h1 {
      font-size: 28px;
      font-weight: 600;
      margin: 0 0 12px 0;
    }

    .empty-box p {
      color: var(--text-mid);
      margin: 0 0 26px 0;
    }

    .site-foot {
      background: #050d14;
      border-top: 1px solid rgba(54, 198, 217, 0.12);
      padding: 44px 0 22px;
      margin-top: 40px;
      position: relative;
      z-index: 2;
    }

    .foot-grid {
      display: grid;
      grid-template-columns: 5fr 3fr 4fr;
      gap: 32px;
      padding-bottom: 26px;
    }

    .foot-brand p {
      color: var(--text-low);
      font-size: 14px;
      line-height: 1.8;
      margin: 14px 0 0 0;
      max-width: 460px;
    }

    .foot-title {
      color: #cfdee9;
      font-size: 15px;
      font-weight: 600;
      letter-spacing: 0.3px;
      margin: 0 0 16px 0;
    }

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

    .foot-links a {
      color: var(--text-mid);
      font-size: 14px;
      transition: color 0.2s ease;
    }

    .foot-links a:hover {
      color: var(--primary);
    }

    .foot-contact {
      font-size: 14px;
      line-height: 1.9;
      color: var(--text-low);
      margin: 0;
    }

    .foot-bottom {
      border-top: 1px solid rgba(148, 187, 214, 0.12);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px 20px;
      color: var(--text-low);
      font-size: 13px;
    }

    .empty-status {
      margin-top: 34px;
    }

    @media (max-width: 1024px) {
      .media-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 920px) {
      .dock {
        height: auto;
        border-radius: 26px;
        padding: 12px 16px;
      }

      .brand {
        order: 1;
      }

      .primary-nav {
        display: none;
        order: 3;
        flex-basis: 100%;
        margin: 10px 0 4px;
        padding: 8px 0 2px;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        border-top: 1px solid rgba(190, 225, 245, 0.12);
      }

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

      .primary-nav .nav-link {
        min-height: 44px;
        padding: 0 8px;
        justify-content: flex-start;
        border-radius: 10px;
      }

      .primary-nav .nav-link:hover {
        background: rgba(255, 255, 255, 0.04);
      }

      .primary-nav .nav-link.active::after {
        left: 0;
        bottom: auto;
        top: 50%;
        transform: translateY(-50%);
        width: 5px;
        height: 16px;
        border-radius: 999px;
      }

      .dock-actions {
        order: 2;
        margin-left: auto;
      }

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

    @media (max-width: 760px) {
      .section {
        padding: 58px 0;
      }

      .article-body-section {
        padding: 36px 0 58px;
      }

      .article-body {
        padding: 24px 20px 32px;
        font-size: 16px;
        line-height: 1.85;
        border-radius: 18px;
      }

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

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

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

      .cta-panel {
        padding: 40px 22px;
        border-radius: 22px;
      }

      .cta-content {
        flex-direction: column;
        align-items: flex-start;
      }

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

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

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

    @media (max-width: 520px) {
      .media-grid {
        grid-template-columns: 1fr;
      }

      .primary-nav {
        margin: 8px 0 2px;
      }

      .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }

      .crumb {
        font-size: 12px;
        row-gap: 6px;
      }

      .crumb .crumb-current {
        max-width: 200px;
      }

      .faq-item {
        padding: 0 16px;
      }

      .faq-item summary {
        font-size: 15px;
      }

      .site-header {
        top: 10px;
        padding-inline: 12px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
      }

      .brand-name {
        font-size: 16px;
      }

      .dock {
        padding: 10px 12px;
        border-radius: 22px;
      }

      .dock-cta {
        height: 34px;
        padding: 0 14px;
        font-size: 13px;
      }
    }

/* roulang page: category2 */
:root {
    --bg: #081119;
    --bg-deep: #0b1d2b;
    --panel: rgba(14, 27, 40, 0.62);
    --panel-2: rgba(14, 27, 40, 0.46);
    --glass-dock: rgba(9, 20, 30, 0.78);
    --line: rgba(148, 187, 214, 0.22);
    --line-high: rgba(155, 218, 255, 0.45);
    --cyan: #36c6d9;
    --blue: #5c8dff;
    --green: #34d399;
    --amber: #f3b23a;
    --text: #e6f0f7;
    --muted: #a7bccc;
    --faint: #738b9f;
    --radius: 20px;
    --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.45);
    --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font);
    background:
      radial-gradient(1100px 520px at 85% -10%, rgba(24, 55, 86, 0.36), transparent 60%),
      radial-gradient(900px 480px at -10% 20%, rgba(8, 34, 68, 0.28), transparent 55%),
      linear-gradient(180deg, #081119 0%, #0b1b2a 48%, #081119 100%);
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  body {
    min-height: 100vh;
  }
  h1, h2, h3, h4, h5 {
    line-height: 1.3;
    margin: 0;
    font-weight: 600;
  }
  p { margin: 0; }
  a {
    color: inherit;
    text-decoration: none;
  }
  ul { margin: 0; padding: 0; list-style: none; }
  img {
    max-width: 100%;
    display: block;
  }
  button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
  }
  button { cursor: pointer; }
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .wrap {
    width: min(1200px, calc(100% - 40px));
    margin-inline: auto;
  }
  .section {
    padding: 88px 0;
    position: relative;
  }
  .section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 42px;
  }
  .section-head h2 {
    font-size: clamp(22px, 2.4vw, 32px);
  }
  .section-head p {
    color: var(--muted);
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.8;
  }
  .sec-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(54, 198, 217, 0.1);
    border: 1px solid rgba(54, 198, 217, 0.22);
    color: var(--cyan);
    font-size: 13px;
    letter-spacing: 0.4px;
    margin-bottom: 18px;
  }
  .section-head .sec-tag {
    margin-bottom: 14px;
  }
  .text-muted {
    color: var(--muted) !important;
  }
  .text-cyan { color: var(--cyan); }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    border-radius: 10px;
    height: 48px;
    padding: 0 26px;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, color .22s ease, filter .22s ease;
    border: 1px solid transparent;
    font-weight: 600;
  }
  .btn-primary {
    background: linear-gradient(135deg, #36c6d9, #2f9ede);
    color: #07141d;
    box-shadow: 0 0 0 1px rgba(54, 198, 217, .28), 0 12px 32px -8px rgba(54, 198, 217, .4);
  }
  .btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(54, 198, 217, .45), 0 16px 38px -8px rgba(54, 198, 217, .5);
  }
  .btn-line {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .18);
    color: #e6f0f7;
  }
  .btn-line:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-2px);
  }
  .btn-mini {
    height: 36px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    background: linear-gradient(135deg, #36c6d9, #2f9ede);
    color: #07141d;
    box-shadow: 0 6px 18px -6px rgba(54, 198, 217, .5);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
  }
  .btn-mini:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
  }

  :focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 6px;
  }

  .dock-link { transition: color .2s ease, background .2s ease, border-color .2s ease; }

  .site-header {
    position: fixed;
    top: 14px;
    left: 0;
    right: 0;
    z-index: 90;
    padding: 0 12px;
  }
  .dock {
    max-width: 1200px;
    margin: 0 auto;
    height: 66px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 10px 0 18px;
    border-radius: 999px;
    background: var(--glass-dock);
    border: 1px solid rgba(190, 225, 245, .18);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 12px 36px -24px rgba(0, 0, 0, .55);
    transition: background .3s ease, box-shadow .3s ease;
  }
  .dock-scrolled {
    background: rgba(7, 15, 24, .88);
    box-shadow: 0 16px 40px -24px rgba(0, 0, 0, .72);
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #eef6fa;
    white-space: nowrap;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    flex: none;
    display: grid;
    place-items: center;
    background: rgba(54, 198, 217, .14);
    border: 1px solid rgba(54, 198, 217, .35);
    color: var(--cyan);
    box-shadow: inset 0 0 14px rgba(54, 198, 217, .2);
  }
  .brand-name {
    font-size: 18px;
    letter-spacing: .1px;
    color: #f0f7fb;
  }
  .brand-name strong {
    color: var(--cyan);
    font-weight: 700;
  }

  .nav-hub {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
    gap: 2px;
    padding: 0 4px;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 9px 14px;
    border-radius: 999px;
    color: #aabccd;
    font-size: 15px;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
  }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    opacity: 0;
    transition: opacity .2s ease, bottom .2s ease;
  }
  .nav-link:hover {
    color: #fff;
    background: rgba(148, 187, 214, .08);
  }
  .nav-link:hover::after {
    opacity: .8;
    bottom: 5px;
  }
  .nav-link.active {
    color: var(--cyan);
    background: rgba(54, 198, 217, .1);
  }
  .nav-link.active::after {
    opacity: 1;
    bottom: 5px;
  }

  .dock-actions {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .dock-search {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: #a7bccc;
    border: 1px solid transparent;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
  }
  .dock-search:hover {
    color: #fff;
    border-color: rgba(148, 187, 214, .2);
    background: rgba(148, 187, 214, .06);
  }

  .cat-hero {
    position: relative;
    padding: 168px 0 56px;
    overflow: hidden;
  }
  .cat-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(90deg, rgba(8, 17, 25, .96) 0%, rgba(8, 17, 25, .74) 52%, rgba(8, 17, 25, .85) 100%),
      url("/assets/images/backpic/back-2.png") center/cover no-repeat;
    pointer-events: none;
  }
  .cat-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100px;
    background: linear-gradient(180deg, transparent, rgba(8, 17, 25, .95) 84%, #081119 100%);
    pointer-events: none;
  }
  .cat-hero .wrap {
    position: relative;
    z-index: 2;
  }
  .breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--faint);
    margin-bottom: 32px;
  }
  .breadcrumbs a {
    color: var(--faint);
    transition: color .2s ease;
  }
  .breadcrumbs a:hover { color: var(--cyan); }
  .breadcrumbs i {
    font-style: normal;
    color: rgba(115, 139, 159, .75);
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--cyan);
    background: rgba(54, 198, 217, .1);
    border: 1px solid rgba(54, 198, 217, .2);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
  }
  .cat-hero h1 {
    font-size: clamp(31px, 4.6vw, 44px);
    letter-spacing: .5px;
    color: #f2f8fb;
    max-width: 720px;
  }
  .hero-sub {
    margin-top: 18px;
    font-size: 17px;
    line-height: 1.85;
    color: #b9cbd8;
    max-width: 640px;
  }
  .hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
  }
  .hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 40px;
    color: var(--muted);
    font-size: 14px;
  }
  .hero-facts li {
    display: flex;
    align-items: center;
    gap: 9px;
  }
  .hero-facts i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 12px rgba(54, 198, 217, .8);
  }

  .hero-visual {
    position: relative;
    min-height: 320px;
  }
  .entry-panel {
    position: relative;
    padding: 20px;
    margin-top: 20px;
    border-radius: 22px;
    background: rgba(11, 25, 38, .6);
    border: 1px solid rgba(148, 187, 214, .22);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .04);
    backdrop-filter: blur(12px);
  }
  .panel-dots {
    display: flex;
    gap: 7px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(148, 187, 214, .15);
  }
  .panel-dots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(148, 187, 214, .4);
  }
  .panel-dots i:first-child { background: rgba(243, 178, 58, .75); }
  .panel-dots i:nth-child(2) { background: rgba(52, 211, 153, .75); }
  .panel-dots i:nth-child(3) { background: rgba(54, 198, 217, .75); }

  .entry-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 2px 8px;
    gap: 14px;
  }
  .entry-status strong {
    font-size: 17px;
    color: #f0f7fb;
    font-weight: 600;
  }
  .entry-status span {
    font-size: 13px;
    font-weight: 400;
    color: var(--green);
    background: rgba(52, 211, 153, .1);
    border: 1px solid rgba(52, 211, 153, .16);
    padding: 4px 10px;
    border-radius: 999px;
  }
  .entry-metric {
    padding: 10px 2px 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .metric-item {
    border-radius: 14px;
    padding: 12px 8px;
    text-align: center;
    background: rgba(148, 187, 214, .08);
    border: 1px solid rgba(148, 187, 214, .08);
  }
  .metric-item b {
    display: block;
    font-size: 13px;
    color: var(--cyan);
  }
  .metric-item small {
    font-size: 12px;
    color: var(--faint);
    line-height: 1.4;
    display: block;
    margin-top: 3px;
  }
  .entry-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(54, 198, 217, .22), transparent);
    margin: 4px 0 12px;
  }
  .entry-nodes {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    align-items: center;
  }
  .entry-nodes span {
    flex: 1;
    position: relative;
    padding: 4px 0;
    font-size: 13px;
    color: var(--muted);
    text-align: center;
  }
  .entry-nodes span::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: rgba(54, 198, 217, .26);
    border-radius: 2px;
  }
  .entry-nodes span:last-child::after { display: none; }
  .float-card {
    position: absolute;
    left: -20px;
    top: 10px;
    border-radius: 16px;
    padding: 12px 16px;
    background: rgba(9, 22, 32, .82);
    border: 1px solid rgba(148, 187, 214, .2);
    box-shadow: 0 16px 34px -18px rgba(0, 0, 0, .6);
    color: var(--muted);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .float-card::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #36c6d9;
    box-shadow: 0 0 10px rgba(54, 198, 217, .8);
  }
  .float-card small {
    display: block;
    font-size: 11px;
    color: var(--faint);
  }

  .split-intro {
    background: transparent;
  }
  .split-image {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(148, 187, 214, .15);
    background: rgba(14, 27, 40, .4);
    position: relative;
    box-shadow: var(--shadow);
  }
  .split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 260px;
  }
  .split-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(8, 17, 25, .48));
    pointer-events: none;
  }
  .split-copy h2 {
    font-size: clamp(22px, 2.5vw, 31px);
    color: #f0f7fb;
  }
  .split-copy > p {
    color: #abc0cf;
    font-size: 16px;
    line-height: 1.9;
    margin-top: 16px;
  }
  .scope-list {
    display: grid;
    gap: 12px;
    margin-top: 26px;
  }
  .scope-list li {
    display: flex;
    gap: 12px;
    padding: 13px 16px;
    border-radius: 14px;
    background: rgba(14, 27, 40, .55);
    border: 1px solid rgba(148, 187, 214, .12);
    color: #dbe8f0;
    font-size: 15px;
  }
  .scope-list i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    flex: none;
    margin-top: 11px;
    box-shadow: 0 0 8px rgba(54, 198, 217, .56);
  }

  .way-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: stretch;
  }
  .way-card {
    background: rgba(14, 27, 40, .52);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    padding: 30px 26px 32px;
    position: relative;
    overflow: hidden;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  }
  .way-card::before {
    content: "";
    position: absolute;
    left: -18px;
    top: -44px;
    width: 140px;
    height: 140px;
    opacity: .6;
    background: radial-gradient(circle, rgba(54, 198, 217, .12), transparent 72%);
    pointer-events: none;
  }
  .way-card:hover {
    transform: translateY(-4px);
    border-color: rgba(155, 218, 255, .38);
    box-shadow: 0 24px 42px -24px rgba(0, 0, 0, .48);
  }
  .way-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    background: rgba(54, 198, 217, .1);
    border: 1px solid rgba(54, 198, 217, .18);
    margin-bottom: 22px;
  }
  .way-card .num {
    position: absolute;
    top: 22px;
    right: 24px;
    color: rgba(148, 187, 214, .28);
    font-size: 28px;
    font-weight: 600;
  }
  .way-card h3 {
    font-size: 19px;
    color: #f0f6f9;
    margin-bottom: 10px;
  }
  .way-card p {
    color: #a7bccc;
    font-size: 15px;
    line-height: 1.85;
  }
  .way-tag {
    display: inline-flex;
    margin-top: 16px;
    color: var(--cyan);
    font-size: 13px;
    gap: 6px;
    align-items: center;
  }
  .way-tag i {
    font-style: normal;
    transition: transform .2s ease;
  }
  .way-card:hover .way-tag i {
    transform: translateX(4px);
  }
  .way-note {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--faint);
    font-size: 14px;
    padding-top: 8px;
  }

  .process-sec {
    background:
      radial-gradient(800px 280px at 50% 0%, rgba(34, 73, 101, .18), transparent 70%),
      transparent;
  }
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    counter-reset: process;
  }
  .process-item {
    counter-increment: process;
    position: relative;
    border-radius: 20px;
    background: rgba(12, 25, 38, .66);
    border: 1px solid rgba(148, 187, 214, .16);
    padding: 26px 24px 26px;
    transition: border-color .25s ease, transform .25s ease;
  }
  .process-item:hover {
    border-color: rgba(54, 198, 217, .32);
    transform: translateY(-3px);
  }
  .process-item::before {
    content: counter(process, decimal-leading-zero);
    font-size: 26px;
    font-weight: 700;
    color: var(--cyan);
    opacity: .85;
    display: block;
    margin-bottom: 10px;
    letter-spacing: -1px;
  }
  .process-item h4 {
    font-size: 17px;
    color: #eef6fa;
    margin-bottom: 10px;
    font-weight: 600;
  }
  .process-item p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
  }
  .process-echo {
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: rgba(54, 198, 217, .5);
    margin-bottom: 14px;
    display: block;
  }

  .faq-sec {
    padding-top: 84px;
    padding-bottom: 84px;
  }
  .faq-inner {
    max-width: 820px;
    margin-inline: auto;
  }
  .faq-list {
    border: 1px solid rgba(148, 187, 214, .14);
    border-radius: 22px;
    overflow: hidden;
    background: rgba(14, 27, 40, .45);
  }
  .faq-item {
    border-bottom: 1px solid rgba(148, 187, 214, .1);
    background: transparent;
  }
  .faq-item:last-child {
    border-bottom: 0;
  }
  .faq-summary {
    position: relative;
    padding: 20px 52px 20px 24px;
    cursor: pointer;
    list-style: none;
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: #e2eef5;
    transition: background .2s ease, color .2s ease;
  }
  .faq-summary::-webkit-details-marker {
    display: none;
  }
  .faq-summary::after {
    content: "+";
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    border: 1px solid rgba(148, 187, 214, .22);
    color: var(--cyan);
    font-size: 20px;
    line-height: 1;
    transition: transform .25s ease, background .25s ease, color .25s ease;
  }
  .faq-item[open] .faq-summary {
    background: rgba(54, 198, 217, .05);
    color: #fff;
  }
  .faq-item[open] .faq-summary::after {
    transform: translateY(-50%) rotate(45deg);
    background: rgba(54, 198, 217, .2);
  }
  .faq-answer {
    padding: 0 28px 24px 24px;
    color: #a7bccc;
    font-size: 15px;
    line-height: 1.9;
  }
  .faq-more {
    margin-top: 30px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
  }

  .cta-wrap {
    background:
      linear-gradient(rgba(8, 17, 25, .74), rgba(8, 17, 25, .92)),
      url("/assets/images/backpic/back-3.png") center/cover no-repeat;
    border-radius: 28px;
    border: 1px solid rgba(54, 198, 217, .15);
    padding: 34px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
  }
  .cta-info h2 {
    font-size: clamp(22px, 2.6vw, 30px);
    color: #f2f8fb;
  }
  .cta-info p {
    margin-top: 14px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
    max-width: 430px;
  }
  .cta-contact {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--muted);
  }
  .cta-contact i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px rgba(52, 211, 153, .6);
  }
  .form-card {
    background: rgba(11, 22, 33, .72);
    border: 1px solid rgba(148, 187, 214, .16);
    border-radius: 22px;
    padding: 28px;
    backdrop-filter: blur(14px);
  }
  .form-title {
    font-size: 18px;
    font-weight: 600;
    color: #eef6fa;
    margin-bottom: 4px;
  }
  .form-sub {
    color: var(--faint);
    font-size: 13px;
    margin-bottom: 22px;
  }
  .form-grid {
    display: grid;
    gap: 14px;
  }
  .form-grid label {
    color: var(--muted);
    font-size: 14px;
    display: block;
    margin-bottom: 6px;
  }
  .inp {
    height: 48px;
    width: 100%;
    background: rgba(4, 10, 18, .4);
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--text);
    padding: 0 15px;
    font-size: 15px;
    transition: border-color .2s ease, box-shadow .2s ease;
  }
  textarea.inp {
    min-height: 96px;
    padding-top: 12px;
    resize: vertical;
  }
  .inp:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 4px rgba(54, 198, 217, .12);
  }
  .inp::placeholder {
    color: rgba(115, 139, 159, .5);
  }
  .form-error,
  .form-ok {
    display: none;
    margin-top: 12px;
    padding: 11px 14px;
    border-radius: 12px;
    font-size: 14px;
  }
  .form-ok.show {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(52, 211, 153, .12);
    border: 1px solid rgba(52, 211, 153, .24);
    color: #b9f3d8;
  }

  .site-foot {
    background: rgba(6, 14, 21, .85);
    border-top: 1px solid rgba(148, 187, 214, .1);
    margin-top: 20px;
  }
  .site-foot .wrap {
    padding-top: 44px;
  }
  .foot-grid {
    display: grid;
    grid-template-columns: 5fr 3fr 4fr;
    gap: 34px;
  }
  .foot-brand p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.9;
    margin: 16px 0 0;
  }
  .foot-title {
    font-size: 15px;
    color: #dcebf3;
    font-weight: 600;
    margin-bottom: 12px;
  }
  .foot-links li {
    margin-bottom: 8px;
  }
  .foot-links a {
    color: var(--muted);
    font-size: 14px;
    transition: color .2s ease;
  }
  .foot-links a:hover { color: var(--cyan); }
  .foot-contact {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.9;
  }
  .foot-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 28px;
    border-top: 1px solid rgba(148, 187, 214, .08);
    padding: 20px 0 24px;
    color: var(--faint);
    font-size: 13px;
  }

  .mobile-visible {
    display: none;
  }

  @media (max-width: 1024px) {
    .way-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .foot-grid { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 820px) {
    .section { padding: 64px 0; }
    .cat-hero { padding-top: 130px; }
    .cat-hero .hero-btn { flex-wrap: wrap; }
  }

  @media (max-width: 700px) {
    .site-header { top: 8px; }
    .dock {
      flex-wrap: wrap;
      border-radius: 22px;
      height: auto;
      padding: 12px 12px 2px;
      gap: 4px;
    }
    .brand { flex: 1; }
    .nav-hub {
      order: 2;
      width: 100%;
      justify-content: flex-start;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 4px 0 8px;
      gap: 6px;
    }
    .nav-hub::-webkit-scrollbar { display: none; }
    .nav-hub .nav-link { padding: 7px 12px; font-size: 14px; }
    .nav-hub .nav-link::after { display: none; }
    .dock-search { display: none; }
    .btn-mini { height: 34px; }
    .way-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr; gap: 24px; }
    .foot-bottom { flex-direction: column; text-align: center; }
    .hero-facts { gap: 14px; justify-content: flex-start; }
    .hero-visual { margin-top: 22px; min-height: auto; }
    .entry-panel { margin-top: 0; }
    .float-card { display: none; }
    .cta-wrap { padding: 22px; }
    .form-card { padding: 20px; }
    .breadcrumbs { margin-bottom: 21px; font-size: 12px; }
    .cat-hero h1 { font-size: 30px; }
    .hero-sub { font-size: 15px; }
  }

  @media (max-width: 380px) {
    .dock { padding-left: 10px; padding-right: 10px; }
    .brand-name { font-size: 16px; }
    .hero-btns .btn { width: 100%; }
  }