/* roulang page: index */
:root {
  --primary: #0E6BB0;
  --primary-dark: #08457E;
  --gold: #F0A73B;
  --ink: #102A43;
  --text: #3E5568;
  --muted: #7B8D9A;
  --line: #DCE6EF;
  --bg: #F5F9FC;
  --card: #FFFFFF;
  --bg-soft: #EAF2F8;
  --radius-lg: 22px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 6px rgba(16,42,67,0.05);
  --shadow-md: 0 18px 40px rgba(16,42,67,0.08);
  --transition: all 0.28s ease;
  --section-space: 104px;
  --container: 1280px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll {
  overflow: hidden;
}
h1, h2, h3, h4, p, ul, ol, figure {
  margin: 0;
  padding: 0;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
  background: none;
}
ul {
  list-style: none;
}
input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.section {
  padding: var(--section-space) 0;
}
.section-title {
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.3;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 760px;
  margin-bottom: 52px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  align-items: center;
}
.section-head p {
  color: var(--muted);
  font-size: 17px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  background: rgba(14, 107, 176, 0.08);
  border: 1px solid rgba(14, 107, 176, 0.14);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  width: fit-content;
}
.kicker i {
  font-size: 13px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 107, 176, 0.22);
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(14, 107, 176, 0.26);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: #fff;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(14, 107, 176, 0.06);
  color: var(--primary-dark);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}
.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 12px 30px rgba(8, 69, 126, 0.15);
}
.btn-light:hover {
  background: var(--bg-soft);
  transform: translateY(-2px);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
}
.text-link i {
  transition: transform .25s ease;
}
.text-link:hover {
  color: var(--primary-dark);
}
.text-link:hover i {
  transform: translateX(4px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 230, 239, 0.7);
  transition: background .3s ease;
}
.header-row {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0E6BB0 0%, #08457E 100%);
  color: #fff;
  border-radius: 11px;
  font-size: 18px;
  box-shadow: 0 10px 20px rgba(14, 107, 176, 0.2);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.3px;
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
  font-family: "Arial Narrow", "DIN Alternate", sans-serif;
  font-weight: 800;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  gap: 20px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-list a {
  position: relative;
  padding: 8px 14px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-list a:hover {
  background: rgba(14, 107, 176, 0.06);
  color: var(--primary);
}
.nav-list a.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--primary);
  border-radius: 3px;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F0F5F9;
  border: 1px solid transparent;
  border-radius: 999px;
  height: 38px;
  padding: 0 12px;
  width: 210px;
  transition: var(--transition);
}
.nav-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14, 107, 176, 0.12);
}
.nav-search i {
  color: var(--muted);
  font-size: 14px;
}
.nav-search input {
  border: 0;
  background: transparent;
  width: 100%;
  color: var(--ink);
  font-size: 13px;
  padding: 0;
}
.nav-search button {
  color: var(--primary);
  font-size: 14px;
  cursor: pointer;
  display: none;
}
.header-btn {
  min-height: 38px;
  padding: 0 18px;
  font-size: 14px;
  border-radius: 999px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: rgba(14,107,176,0.06);
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 4px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  padding: 40px 0 56px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 8% 18%, rgba(14,107,176,0.05) 0%, transparent 30%),
    radial-gradient(circle at 90% 85%, rgba(240,167,59,0.05) 0%, transparent 24%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 52px;
  align-items: center;
  position: relative;
}
.hero-copy {
  padding: 44px 0 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  padding: 7px 16px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
  animation: breathe 2.4s infinite ease-in-out;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.45); opacity: .55; }
}
.hero-title {
  font-size: clamp(38px, 4.4vw, 58px);
  line-height: 1.18;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}
.hero-title .text-brand {
  color: var(--primary);
  position: relative;
}
.hero-title .text-brand::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 8px;
  background: rgba(240,167,59,0.32);
  z-index: -1;
  border-radius: 12px;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text);
  line-height: 1.9;
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.hero-trustline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  color: var(--muted);
  font-size: 13px;
}
.hero-trustline span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hero-trustline i {
  color: var(--primary);
}
.hero-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #EAF2F8;
  min-height: 420px;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(8,69,126,0) 50%, rgba(8,69,126,0.14) 100%);
  pointer-events: none;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}
.hero-visual-float {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  background: rgba(255,255,255,0.94);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(8px);
  max-width: 250px;
}
.hero-visual-float .float-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(14,107,176,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.hero-visual-float p {
  font-size: 14px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.45;
}
.hero-visual-float small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

/* Section: why */
.why-section {
  background: #fff;
  border-top: 1px solid rgba(220,230,239,0.5);
  border-bottom: 1px solid rgba(220,230,239,0.5);
}
.why-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: center;
}
.why-intro .section-title {
  margin: 16px 0 20px;
}
.why-intro p {
  color: var(--muted);
  font-size: 17px;
}
.why-stat-row {
  display: flex;
  gap: 28px;
  margin-top: 42px;
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.why-stat strong {
  display: block;
  font-size: 30px;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.2;
}
.why-stat span {
  font-size: 13px;
  color: var(--muted);
}
.why-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fbfdff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px 26px;
  transition: var(--transition);
}
.why-item:hover {
  border-color: rgba(14,107,176,0.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.why-item-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(14,107,176,0.1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.why-item h3 {
  font-size: 18px;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 7px;
}
.why-item p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* Steps / service */
.steps-section {
  background: var(--bg);
}
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: stretch;
}
.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), rgba(14,107,176,0.2));
  opacity: 0;
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.step-card:hover::before {
  opacity: 1;
}
.step-card--wide {
  grid-column: span 7;
}
.step-card--narrow {
  grid-column: span 5;
}
.step-card--deep {
  grid-column: span 5;
  background: var(--primary-dark);
  color: rgba(255,255,255,0.9);
  border-color: transparent;
}
.step-card--deep .step-title {
  color: #fff;
}
.step-card--deep .step-desc {
  color: rgba(255,255,255,0.72);
}
.step-card--deep .step-icon {
  background: rgba(255,255,255,0.16);
  color: #fff;
}
.step-card--deep .btn-ghost {
  border-color: rgba(255,255,255,0.5);
}
.step-number {
  font-size: 14px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.step-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(14,107,176,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 22px;
}
.step-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 16px;
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0 22px;
}
.step-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}
.step-list i {
  color: var(--gold);
  margin-top: 5px;
  font-size: 14px;
}

/* Performance */
.data-section {
  background: var(--primary-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.data-section::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(240,167,59,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.data-section::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: 10%;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.data-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.data-head .kicker {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}
.data-title {
  font-size: 30px;
  line-height: 1.4;
  color: #fff;
  margin-top: 14px;
  font-weight: 700;
}
.data-title span {
  color: var(--gold);
}
.data-copy {
  color: rgba(255,255,255,0.75);
  margin-top: 18px;
  font-size: 16px;
}
.data-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.data-stat {
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: 22px;
}
.data-stat strong {
  display: flex;
  align-items: baseline;
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}
.data-stat strong small {
  font-size: 17px;
  color: var(--gold);
  margin-left: 6px;
  font-weight: 600;
}
.data-stat span {
  display: block;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  margin-top: 6px;
}
.data-stat--wide {
  border-left-color: var(--gold);
}
@media (max-width: 991px) {
  .data-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .data-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* News */
.news-section {
  background: #fff;
}
.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}
.news-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}
.news-feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-feature:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.news-feature .news-cover {
  overflow: hidden;
  aspect-ratio: 16 / 8;
  min-height: 220px;
  background: var(--bg-soft);
}
.news-feature .news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.news-feature:hover .news-cover img {
  transform: scale(1.04);
}
.news-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}
.news-badge {
  background: rgba(14,107,176,0.1);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 12px;
}
.news-body h3 {
  font-size: 23px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 700;
}
.news-body h3 a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-body h3 a:hover {
  color: var(--primary);
}
.news-description {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}
.news-mini {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  transition: var(--transition);
  overflow: hidden;
}
.news-mini:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(14,107,176,0.35);
}
.news-mini .news-meta {
  margin-bottom: 8px;
}
.news-mini h4 {
  font-size: 17px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 8px;
}
.news-mini h4 a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-mini h4 a:hover {
  color: var(--primary);
}
.news-mini p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  background: #FBFDFF;
  border: 1px dashed var(--line);
  border-radius: 18px;
  padding: 52px 20px;
  color: var(--muted);
}
.news-empty i {
  font-size: 30px;
  color: var(--line);
  margin-bottom: 10px;
  display: block;
}

/* Guide / category cards */
.guide-section {
  background: var(--bg);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.guide-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.guide-card--main {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  padding: 0;
  background: #fff;
}
.guide-card--main .guide-cover {
  height: 190px;
  overflow: hidden;
  position: relative;
}
.guide-card--main .guide-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.guide-card--main:hover .guide-cover img {
  transform: scale(1.04);
}
.guide-card--main .guide-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.guide-card--main h3 {
  font-size: 23px;
}
.guide-card--secondary {
  grid-column: span 4;
}
.guide-card--accent {
  grid-column: span 3;
  background: #fff;
}
.guide-card--accent .guide-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(14,107,176,0.12), rgba(14,107,176,0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 18px;
}
.guide-card .guide-topline {
  font-size: 13px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.06em;
}
.guide-card h3 {
  font-size: 20px;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 10px;
}
.guide-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.guide-link {
  margin-top: auto;
}

/* Testimonials */
.testimonial-section {
  background: #fff;
}
.testimonial-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.testimonial-head p {
  color: var(--muted);
  margin-top: 14px;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}
.testimonial-card {
  background: #FBFDFF;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 44px 36px 30px;
  position: relative;
  transition: var(--transition);
}
.testimonial-card:nth-child(2) {
  transform: translateY(30px);
}
.testimonial-card:hover {
  background: #fff;
  box-shadow: var(--shadow-md);
}
.testimonial-card--secondary {
  background: #fff;
}
.testimonial-quote-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  margin-bottom: 20px;
}
.testimonial-card blockquote {
  font-size: 17px;
  line-height: 2;
  color: var(--ink);
  margin-bottom: 28px;
}
.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.testimonial-user .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-soft);
}
.testimonial-user strong {
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
  display: block;
}
.testimonial-user span {
  color: var(--muted);
  font-size: 13px;
}

/* FAQ */
.faq-section {
  background: var(--bg);
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 64px;
  align-items: start;
}
.faq-side {
  position: sticky;
  top: 100px;
}
.faq-side p {
  color: var(--muted);
  margin-top: 16px;
  font-size: 16px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 26px;
  transition: var(--transition);
}
.faq-item[open] {
  border-color: rgba(14,107,176,0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item summary i {
  color: var(--primary);
  transition: transform .3s ease;
  font-size: 18px;
}
.faq-item[open] summary i {
  transform: rotate(45deg);
}
.faq-answer {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}

/* CTA band */
.cta-band {
  background: #fff;
  padding-bottom: var(--section-space);
}
.cta-inner {
  background: linear-gradient(135deg, #0E6BB0 0%, #08457E 100%);
  border-radius: 30px;
  padding: 76px 64px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.cta-inner::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
}
.cta-inner::before {
  content: "";
  position: absolute;
  left: 20%;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(240,167,59,0.15);
}
.cta-copy {
  position: relative;
  z-index: 2;
}
.cta-copy h2 {
  font-size: 34px;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 700;
}
.cta-copy p {
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  max-width: 540px;
}
.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}
.cta-actions a {
  min-width: 200px;
}
.cta-note {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* Footer */
.site-footer {
  background: #FBFCFE;
  border-top: 1px solid rgba(220,230,239,0.8);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  max-width: 280px;
}
.footer-col h4 {
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  color: var(--text);
  font-size: 14px;
  transition: color .2s ease;
}
.footer-col ul a:hover {
  color: var(--primary);
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
  padding: 8px 0;
}
.footer-contact i {
  color: var(--primary);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}
.footer-bottom a {
  color: var(--muted);
}
.footer-bottom a:hover {
  color: var(--primary);
}

/* 响应式 */
@media (max-width: 1280px) {
  :root {
    --section-space: 88px;
  }
  .nav-search {
    width: 160px;
  }
}
@media (max-width: 1080px) {
  .guide-card--secondary {
    grid-column: span 6;
  }
  .guide-card--accent {
    grid-column: span 6;
  }
  .guide-card--main {
    grid-column: span 12;
  }
  .guide-card--main .guide-cover {
    height: 240px;
  }
  .step-card--wide,
  .step-card--narrow,
  .step-card--deep {
    grid-column: span 6;
  }
}
@media (max-width: 992px) {
  .container {
    padding: 0 24px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-copy {
    padding: 18px 0 0;
  }
  .hero-title {
    font-size: clamp(34px, 5vw, 44px);
  }
  .why-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .news-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-card:nth-child(2) {
    transform: none;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .faq-side {
    position: static;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    padding: 60px 36px;
  }
  .cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .data-stats {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
  }
  .nav-search {
    display: none;
  }
}
@media (max-width: 768px) {
  :root {
    --section-space: 64px;
  }
  .site-header {
    height: 60px;
  }
  .header-row {
    height: 60px;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .header-btn.length {
    display: none;
  }
  .site-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 18px 24px 36px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px rgba(16,42,67,0.12);
    display: none;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    gap: 12px;
  }
  .site-header.open .site-nav {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }
  .nav-list a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 10px;
    font-size: 17px;
    border: 1px solid transparent;
  }
  .nav-list a.active {
    background: rgba(14, 107, 176, 0.06);
    border-color: rgba(14,107,176,0.1);
  }
  .nav-list a.active::after {
    display: none;
  }
  .header-tools {
    width: 100%;
    gap: 12px;
  }
  .header-tools .btn {
    flex: 1;
  }
  .hero {
    padding: 16px 0 32px;
  }
  .hero-title {
    font-size: 32px;
    line-height: 1.3;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-visual,
  .hero-visual img {
    min-height: 260px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-visual-float {
    left: 16px;
    bottom: 16px;
    right: 16px;
    max-width: none;
  }
  .section-head {
    margin-bottom: 38px;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .step-card--wide,
  .step-card--narrow,
  .step-card--deep {
    grid-column: span 1;
  }
  .data-stats {
    grid-template-columns: 1fr;
  }
  .data-stat {
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding: 18px 0 0;
  }
  .news-side {
    grid-template-columns: 1fr;
  }
  .news-feature .news-body {
    padding: 22px;
  }
  .news-body h3 {
    font-size: 19px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .guide-card--main,
  .guide-card--secondary,
  .guide-card--accent {
    grid-column: span 1;
  }
  .testimonial-card {
    padding: 30px 22px;
  }
  .cta-inner {
    padding: 44px 24px;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .cta-actions a {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
  .section-title {
    font-size: 28px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .hero-badge {
    font-size: 13px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .why-list {
    gap: 12px;
  }
  .why-item {
    flex-direction: column;
    gap: 10px;
    padding: 20px;
  }
  .step-card {
    padding: 24px 20px;
  }
  .step-title {
    font-size: 20px;
  }
  .data-stat strong {
    font-size: 36px;
  }
  .guide-card {
    padding: 24px 20px;
  }
  .footer-grid {
    gap: 30px;
  }
  .footer-bottom {
    padding-top: 18px;
    font-size: 12px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0E6BB0;
  --primary-dark: #08457E;
  --accent: #F0A73B;
  --ink: #102A43;
  --text: #3E5568;
  --muted: #7B8D9A;
  --border: #DCE6EF;
  --surface: #FFFFFF;
  --bg: #F6F9FC;
  --bg-deep: #EAF1F7;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 6px rgba(16, 42, 67, 0.05);
  --shadow-md: 0 18px 40px rgba(16, 42, 67, 0.08);
  --container: 1260px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
button { border: 0; background: none; cursor: pointer; font-family: inherit; }
input { font-family: inherit; }
ol, ul { list-style: none; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
section { position: relative; }
.section-pad { padding: 96px 0; }
.section-head { max-width: 860px; margin-bottom: 44px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(14, 107, 176, .08);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
}
.eyebrow i { font-size: 13px; }
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.3;
  color: var(--ink);
  font-weight: 700;
  margin-top: 16px;
}
.section-head p {
  color: var(--muted);
  font-size: 16px;
  margin-top: 14px;
}
.divider-line { width: 56px; height: 4px; background: var(--primary); border-radius: 4px; margin: 22px 0 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 28px;
  min-height: 46px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all .25s ease;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 14px rgba(14,107,176,.20); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 22px rgba(14,107,176,.24); }
.btn-secondary { background: #fff; color: var(--primary); border: 2px solid rgba(14,107,176,.55); }
.btn-secondary:hover { background: rgba(14,107,176,.06); color: var(--primary-dark); border-color: var(--primary-dark); }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,249,252,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220,230,239,.65);
  transition: background .3s ease;
}
.site-header.scrolled { background: #fff; box-shadow: var(--shadow-sm); }
.header-row { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 16px rgba(14,107,176,.26);
}
.logo-text { font-weight: 700; font-size: 21px; color: var(--ink); letter-spacing: .02em; }
.logo-text em { font-style: normal; color: var(--primary); margin: 0 2px; font-weight: 700; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; flex: 1; gap: 24px; }
.nav-list { display: flex; align-items: center; gap: 28px; }
.nav-list a {
  color: #334E68;
  font-size: 15px;
  font-weight: 500;
  line-height: 64px;
  position: relative;
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 13px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
  transition: right .25s ease;
}
.nav-list a:hover::after, .nav-list a.active::after { right: 0; }
.nav-list a.active { color: var(--primary-dark); font-weight: 600; }
.header-tools { display: flex; align-items: center; gap: 14px; }
.nav-search {
  display: flex;
  align-items: center;
  width: 210px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  padding: 0 12px;
  gap: 6px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,107,176,.12); }
.nav-search i { color: var(--muted); font-size: 14px; }
.nav-search input { width: 100%; border: 0; outline: 0; font-size: 14px; color: var(--ink); background: transparent; }
.nav-search button { color: var(--primary); font-size: 14px; }
.header-btn { min-height: 36px; padding: 0 18px; font-size: 13px; }
.nav-toggle { display: none; flex-direction: column; align-items: center; justify-content: center; width: 42px; height: 42px; gap: 5px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 4px; transition: all .3s ease; }

.hero-cat {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  padding: 70px 0 90px;
  overflow: hidden;
  background: linear-gradient(135deg, #EAF1F7 0%, #FBFCFE 58%);
}
.hero-cat::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  background: linear-gradient(135deg, rgba(14,107,176,.24), rgba(14,107,176,.03));
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}
.hero-cat .container { position: relative; z-index: 2; width: 100%; }
.hero-wrap { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 56px; }
.hero-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.hero-breadcrumb a { color: var(--primary); }
.hero-breadcrumb span { color: #A0B2C0; }
.hero-breadcrumb strong { color: var(--text); font-weight: 500; }
.hero-cat h1 {
  font-size: clamp(36px, 4.5vw, 54px);
  line-height: 1.22;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 620px;
}
.hero-cat h1 em { font-style: normal; color: var(--primary); }
.hero-sub {
  margin-top: 22px;
  max-width: 580px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.9;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 28px;
}
.hero-points li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #334E68; }
.hero-points li i {
  width: 23px;
  height: 23px;
  border-radius: 8px;
  background: rgba(14,107,176,.1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--muted); font-size: 13px; }
.hero-note i { color: var(--accent); }

.hero-card {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #fff;
}
.hero-card img { width: 100%; aspect-ratio: 4 / 3.2; object-fit: cover; }
.hero-card-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28% 22px 20px;
  background: linear-gradient(0deg, rgba(10,25,41,.86), rgba(10,25,41,0) 90%);
  color: #fff;
}
.hero-card-overlay strong { font-size: 18px; font-weight: 700; display: block; }
.hero-card-overlay span { font-size: 13px; color: rgba(255,255,255,.82); }
.hero-card-float {
  position: absolute;
  top: 20px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.92);
  padding: 8px 14px;
  border-radius: 99px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.hero-card-float i { color: var(--accent); }

.trust-strip { border-top: 1px solid rgba(220,230,239,.9); background: #fff; }
.trust-strip .container {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 26px;
  padding-bottom: 26px;
}
.trust-item { display: flex; align-items: center; gap: 12px; color: var(--text); font-size: 14px; }
.trust-item i { width: 36px; height: 36px; font-size: 16px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: rgba(14,107,176,.08); color: var(--primary); }

.overview { padding: 96px 0 50px; }
.overview-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 70px; align-items: center; }
.overview-media { position: relative; }
.overview-media .main-img { border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-md); }
.overview-media .main-img img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.overview-media .small-img {
  position: absolute;
  bottom: -34px;
  right: -32px;
  width: 46%;
  border: 6px solid #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.overview-media .small-img img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.overview-content h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.3; color: var(--ink); font-weight: 700; }
.overview-content p { margin-top: 16px; color: var(--text); line-height: 1.9; }
.check-list { margin-top: 24px; }
.check-list li { display: flex; align-items: flex-start; gap: 11px; padding: 8px 0; color: #334E68; }
.check-list li i { color: var(--primary); margin-top: 5px; width: 18px; text-align: center; }
.check-list b { color: var(--ink); font-weight: 600; }
.overview-actions { margin-top: 28px; }
.overview-note { display: inline-block; margin-left: 18px; color: var(--muted); font-size: 14px; }

.steps { background: var(--surface); padding: 90px 0; }
.steps .section-head { margin-bottom: 52px; }
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step-card {
  position: relative;
  background: var(--bg);
  border-radius: 18px;
  padding: 36px 24px 24px;
  border: 1px solid rgba(220,230,239,.82);
  transition: all .3s ease;
}
.step-card:hover { background: #fff; box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 20px;
}
.step-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 9px; }
.step-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }

.energy-section { padding: 88px 0; }
.energy-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.energy-card {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 20px 26px 20px 20px;
  gap: 22px;
}
.energy-icon { flex: 0 0 auto; width: 72px; height: 72px; border-radius: 20px; background: var(--bg-deep); color: var(--primary); font-size: 28px; display: flex; align-items: center; justify-content: center; }
.energy-card h3 { color: var(--ink); font-size: 20px; font-weight: 700; }
.energy-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 4px; }
.energy-card a { color: var(--primary); font-size: 13px; font-weight: 600; display: inline-flex; gap: 5px; margin-top: 8px; }
.energy-card a i { transition: transform .25s ease; }
.energy-card a:hover i { transform: translateX(3px); }

.milestone { background: var(--bg-deep); padding: 90px 0; overflow: hidden; }
.milestone-grid { display: grid; grid-template-columns: 4fr 5fr; gap: 30px; align-items: center; }
.milestone-media { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-sm); }
.milestone-media img { width: 100%; aspect-ratio: 1/1.1; object-fit: cover; }
.milestone-list { position: relative; }
.milestone-item { display: flex; gap: 20px; padding-bottom: 30px; position: relative; }
.milestone-item:last-child { padding-bottom: 0; }
.milestone-item::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: rgba(14,107,176,.13);
}
.milestone-item:last-child::before { display: none; }
.milestone-icon { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 12px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; z-index: 1; box-shadow: 0 5px 14px rgba(14,107,176,.24); }
.milestone-content { padding-top: 6px; }
.milestone-content h3 { color: var(--ink); font-size: 18px; font-weight: 700; }
.milestone-content p { color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 6px; max-width: 460px; }

.notice { padding: 88px 0 78px; }
.notice-panel {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: var(--primary-dark);
  padding: 46px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  color: #fff;
}
.notice-panel::before { content: ""; position: absolute; right: -80px; top: -100px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.06); }
.notice-text h2 { font-size: clamp(24px, 2.6vw, 30px); font-weight: 700; }
.notice-text p { margin-top: 12px; color: rgba(255,255,255,.78); font-size: 15px; max-width: 720px; }
.notice-text i { color: var(--accent); margin-right: 7px; }
.notice-btn { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 10px; background: #fff; color: var(--primary-dark); padding: 13px 28px; border-radius: 10px; font-weight: 600; font-size: 14px; transition: all .25s ease; }
.notice-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.15); color: var(--primary); }

.faq-section { background: var(--surface); padding: 92px 0; }
.faq-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.faq-intro { padding-right: 30px; }
.faq-intro h2 { font-size: clamp(26px, 3vw, 36px); color: var(--ink); line-height: 1.3; font-weight: 700; }
.faq-intro p { margin-top: 18px; color: var(--muted); line-height: 1.9; }
.faq-contact-card { margin-top: 32px; background: var(--bg); border-radius: 20px; padding: 24px; border: 1px solid var(--border); }
.faq-contact-card h4 { color: var(--ink); font-size: 17px; }
.faq-contact-card p { font-size: 14px; color: var(--muted); margin-top: 8px; }
.faq-contact-card a { display: inline-flex; margin-top: 16px; font-size: 14px; color: var(--primary); font-weight: 600; gap: 7px; align-items: center; }
.faq-list details {
  border-bottom: 1px solid var(--border);
  padding: 20px 2px;
  transition: background .2s ease;
}
.faq-list details[open] { padding-bottom: 22px; }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 600;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
  user-select: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary i {
  color: var(--primary);
  margin-right: 12px;
}
.faq-list summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--accent); font-size: 13px; flex: 0 0 auto; transition: transform .25s ease; }
.faq-list details[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding-left: 30px; margin-top: 12px; color: var(--text); line-height: 1.9; font-size: 15px; }

.cta-block { padding: 90px 0; }
.cta-inner {
  border-radius: 32px;
  background: linear-gradient(120deg, #EAF3FB 0%, #F8FAFC 100%);
  border: 1px solid var(--border);
  padding: 60px 56px;
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 40px;
  align-items: center;
}
.cta-inner h2 { font-size: clamp(24px, 3vw, 33px); color: var(--ink); font-weight: 700; line-height: 1.35; }
.cta-inner p { margin-top: 14px; color: var(--text); max-width: 660px; line-height: 1.9; }
.cta-btns { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.cta-card {
  text-align: center;
  background: var(--primary);
  color: #fff;
  border-radius: 20px;
  padding: 30px 22px;
}
.cta-card i { font-size: 25px; opacity: .85; }
.cta-card strong { display: block; margin-top: 10px; font-size: 18px; }
.cta-card span { display: block; font-size: 13px; opacity: .7; margin-top: 4px; }
.cta-card a { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.site-footer { background: #F0F5F9; border-top: 1px solid #dbe6ef; }
.site-footer .container { padding-top: 58px; }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1.2fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand p { margin-top: 16px; color: var(--muted); max-width: 350px; font-size: 14px; line-height: 1.85; }
.footer-col h4 { font-size: 16px; color: var(--ink); font-weight: 700; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col ul a { color: var(--text); font-size: 14px; transition: color .25s ease; }
.footer-col ul a:hover { color: var(--primary); }
.footer-contact li { color: var(--muted); font-size: 14px; display: flex; gap: 9px; align-items: flex-start; }
.footer-contact i { margin-top: 4px; color: var(--primary); }
.footer-bottom { border-top: 1px solid #dbe6ef; padding: 18px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 13px; }
.footer-bottom a { color: var(--muted); }

@media (max-width: 1024px) {
  .hero-wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-cat { padding-top: 60px; padding-bottom: 60px; }
  .hero-card { max-width: 620px; }
  .overview-grid { grid-template-columns: 1fr; gap: 58px; }
  .overview-media .small-img { right: 14px; }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .notice-panel { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .faq-wrap { grid-template-columns: 1fr; gap: 42px; }
  .cta-inner { grid-template-columns: 1fr; padding: 42px 32px; }
  .cta-card { max-width: 320px; }
}

@media (max-width: 928px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px 28px;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: 0 20px 42px rgba(16,42,67,.12);
    transform: translateX(120%);
    transition: transform .32s ease;
    border-top: 1px solid var(--border);
  }
  .site-nav.open { transform: translateX(0); }
  .nav-list { width: 100%; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list a { display: block; line-height: 52px; border-bottom: 1px solid #eef2f6; }
  .nav-list a::after { display: none; }
  .nav-list a.active { color: var(--primary); }
  .header-tools { width: 100%; margin-top: 18px; flex-direction: column; align-items: stretch; }
  .nav-search { width: 100%; }
  .header-btn { width: 100%; }
}

@media (max-width: 768px) {
  .section-pad { padding: 72px 0; }
  .container { padding-left: 18px; padding-right: 18px; }
  .hero-cat { min-height: auto; }
  .hero-cat h1 { font-size: 34px; line-height: 1.3; }
  .hero-points li { font-size: 13px; }
  .overview-media .small-img { display: none; }
  .steps { padding: 74px 0; }
  .step-grid { grid-template-columns: 1fr; }
  .energy-cards { grid-template-columns: 1fr; }
  .energy-card { align-items: flex-start; }
  .milestone-grid { grid-template-columns: 1fr; gap: 44px; }
  .trust-strip .container { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .cta-inner { padding: 34px 22px; }
}

@media (max-width: 576px) {
  .header-btn { display: none; }
  .hero-cat h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-card-float { top: 12px; right: 12px; font-size: 12px; padding: 6px 10px; }
  .energy-card { flex-direction: column; }
  .energy-icon { width: 58px; height: 58px; font-size: 22px; }
  .trust-strip .container { grid-template-columns: 1fr; }
  .notice-panel { padding: 30px 20px; }
  .notice-btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .footer-bottom { flex-direction: column; }
}

/* roulang page: article */
:root{
  --p: #0E6BB0;
  --pd: #08457E;
  --acc: #F0A73B;
  --title: #102A43;
  --text: #3E5568;
  --muted: #7B8D9A;
  --line: #DCE6EF;
  --body-bg: #F4F8FB;
  --card: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 6px rgba(16,42,67,.05);
  --shadow-lg: 0 18px 40px rgba(16,42,67,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--body-bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
input,button{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:none}
button{cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:10px;font-weight:600;font-size:15px;
  transition:all .25s ease;white-space:nowrap;text-align:center;
}
.btn-primary{background:var(--p);color:#fff;box-shadow:0 10px 22px rgba(14,107,176,.22)}
.btn-primary i{transition:transform .2s}
.btn-primary:hover{background:var(--pd);transform:translateY(-2px)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-outline{
  background:#fff;color:var(--pd);border:2px solid rgba(14,107,176,.45);height:46px;padding:0 28px;border-radius:10px;
  display:inline-flex;align-items:center;font-weight:600;font-size:15px;gap:8px;transition:all .25s;
}
.btn-outline:hover{background:rgba(220,230,239,.55);border-color:var(--pd)}

.site-header{
  position:sticky;top:0;z-index:200;background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);backdrop-filter:blur(14px);
}
.header-row{display:flex;align-items:center;justify-content:space-between;min-height:66px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--p);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 8px 16px rgba(14,107,176,.24);
}
.logo-text{font-size:20px;font-weight:700;color:var(--title);letter-spacing:-.2px}
.logo-text em{font-style:normal;color:var(--acc);font-weight:800;margin:0 1px}
.site-nav{display:flex;align-items:center;flex:1;margin-left:26px}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;height:66px;
  color:var(--text);font-weight:500;font-size:15px;transition:color .22s;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:3px;border-radius:3px;
  background:var(--p);opacity:0;transform:scaleX(.2);transition:.25s;
}
.nav-list a:hover{color:var(--p)}
.nav-list a.active{color:var(--p);font-weight:600}
.nav-list a.active::after{opacity:1;transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;width:216px;height:38px;background:#F1F6FA;
  border:1px solid transparent;border-radius:30px;padding:0 12px;transition:.2s;
}
.nav-search:focus-within{border-color:var(--p);background:#fff;box-shadow:0 0 0 3px rgba(14,107,176,.08)}
.nav-search i{color:var(--muted);font-size:13px;margin-right:7px}
.nav-search input{flex:1;background:transparent;font-size:13px;color:var(--title)}
.nav-search input::placeholder{color:#9DAEBC}
.nav-search button{color:var(--p);font-size:14px;padding:4px;transition:.2s}
.nav-search button:hover{transform:translateX(3px)}
.header-btn{height:38px;padding:0 18px;font-size:14px;box-shadow:none}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;border-radius:10px;background:#F1F6FA}
.nav-toggle span{display:block;width:19px;height:2px;margin-left:auto;margin-right:auto;background:var(--title);border-radius:3px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.article-banner{
  position:relative;padding:58px 0 48px;color:#fff;overflow:hidden;
  background:linear-gradient(100deg,rgba(8,69,126,.96) 0%,rgba(14,107,176,.84) 58%,rgba(14,107,176,.62) 100%);
}
.article-banner::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') no-repeat center/cover;
  opacity:.28;
}
.article-banner .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.65);margin-bottom:20px}
.breadcrumb i{font-size:11px}
.breadcrumb a{color:rgba(255,255,255,.75);transition:.2s}
.breadcrumb a:hover{color:#fff}
.article-title{
  font-size:36px;line-height:1.35;font-weight:700;letter-spacing:-.5px;
  max-width:960px;color:#fff;word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.88)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.meta-tag{
  background:rgba(240,167,59,.18);border:1px solid rgba(240,167,59,.45);
  color:#FFD89A;padding:3px 12px;border-radius:20px;font-size:13px;font-weight:600;
}
.article-meta i{color:rgba(240,167,59,.9)}

.article-shell{padding-bottom:84px;background:var(--body-bg)}
.article-card{
  position:relative;max-width:900px;margin:-28px auto 0;background:#fff;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  padding:60px 68px 68px;border:1px solid rgba(220,230,239,.5);
}
.article-content{color:var(--text);font-size:17px;line-height:1.9;overflow-wrap:break-word}
.article-content p:not(:last-child){margin-bottom:1.5em}
.article-content h2{
  font-size:24px;line-height:1.45;color:var(--title);font-weight:700;
  margin:1.7em 0 .85em;padding-left:14px;border-left:5px solid var(--p);letter-spacing:-.2px;
}
.article-content h3{
  font-size:20px;color:var(--title);font-weight:700;margin:1.6em 0 .6em;
}
.article-content ul,.article-content ol{margin:0 0 1.6em;padding-left:1.3em}
.article-content ul li{list-style:disc;margin-bottom:.55em}
.article-content ol li{list-style:decimal;margin-bottom:.55em}
.article-content a{color:var(--p);border-bottom:1px solid rgba(14,107,176,.28);transition:.2s}
.article-content a:hover{border-color:var(--p);color:var(--pd)}
.article-content img{border-radius:12px;margin:26px auto;box-shadow:var(--shadow-sm)}
.article-content blockquote{
  position:relative;margin:2em 0;padding:22px 28px 22px 30px;border-radius:4px 14px 14px 4px;
  background:#F4F8FC;border-left:4px solid var(--p);color:var(--text);
  font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content table{width:100%;max-width:100%;border-collapse:collapse;margin:1.8em 0;border-radius:10px;overflow:hidden;font-size:15px}
.article-content table th,.article-content table td{padding:12px 16px;border:1px solid var(--line);text-align:left}
.article-content table th{background:#F1F6FA;color:var(--title);font-weight:600}
.article-content table tr:nth-child(even) td{background:#FAFCFE}
.article-content img.has-desc + p{font-size:13px;color:var(--muted);text-align:center;margin-top:-18px;margin-bottom:24px}

.article-pager{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:56px;padding-top:28px;border-top:1px solid var(--line);
}
.article-pager a{
  display:inline-flex;align-items:center;gap:9px;color:var(--text);font-weight:500;font-size:15px;padding:10px 16px;border-radius:12px;
  background:#F5F9FC;transition:.2s;
}
.article-pager a:hover{background:#EAF3FB;color:var(--p)}
.article-pager a i{font-size:13px;transition:.2s}
.article-pager a:first-child:hover i{transform:translateX(-3px)}
.article-pager a:last-child:hover i{transform:translateX(3px)}

.not-found-wrap{padding-top:0;padding-bottom:70px}
.not-found-card{
  max-width:900px;margin:-28px auto 0;background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:84px 48px;text-align:center;border:1px solid rgba(220,230,239,.6);
}
.not-found-icon{
  width:78px;height:78px;margin:0 auto 22px;border-radius:50%;background:#F1F6FA;color:var(--p);
  display:flex;align-items:center;justify-content:center;font-size:30px;
}
.not-found-card h2{font-size:26px;color:var(--title);margin-bottom:12px}
.not-found-card p{font-size:16px;color:var(--muted);max-width:460px;margin:0 auto 28px}
.not-found-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

.related-section{padding:76px 0 88px;background:#EEF4F8}
.section-heading{max-width:1200px;margin:0 auto;padding-bottom:18px}
.section-heading h2{font-size:30px;color:var(--title);font-weight:700;display:flex;align-items:center;gap:12px;letter-spacing:-.4px}
.section-heading h2 i{font-size:22px;color:var(--acc)}
.section-heading p{color:var(--muted);margin-top:5px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
  border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column;
}
.rel-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:#C6DBE9}
.rel-image{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7F0F7}
.rel-image img{width:100%;height:100%;object-fit:cover;transition:.5s}
.rel-card:hover .rel-image img{transform:scale(1.04)}
.rel-body{padding:22px 24px 14px;display:flex;flex-direction:column;flex:1}
.rel-tag{
  display:inline-flex;align-items:center;align-self:flex-start;gap:5px;color:var(--p);
  background:rgba(14,107,176,.09);font-size:12px;font-weight:600;border-radius:20px;padding:4px 12px;margin-bottom:12px;
}
.rel-body h3{font-size:18px;line-height:1.45;color:var(--title);font-weight:600;margin-bottom:9px}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-link{
  display:flex;align-items:center;justify-content:space-between;color:var(--p);font-weight:600;font-size:14px;
  margin-top:18px;border-top:1px solid #EDF3F7;padding-top:13px;transition:.2s;
}
.rel-link i{transition:transform .2s}
.rel-card:hover .rel-link i{transform:translateX(4px)}

.cta-banner{
  position:relative;padding:72px 0;color:#fff;overflow:hidden;
  background:linear-gradient(110deg,rgba(8,69,126,.96),rgba(14,107,176,.72) 62%,rgba(14,107,176,.6)),url('/assets/images/backpic/back-1.png') no-repeat right center/cover;
}
.cta-content{display:flex;flex-wrap:wrap;gap:36px;align-items:center;justify-content:space-between;position:relative;z-index:2}
.cta-copy{flex:1;min-width:280px}
.cta-copy .label{color:#FFD89A;font-size:14px;font-weight:600;letter-spacing:1px;margin-bottom:10px;display:inline-flex;align-items:center;gap:8px}
.cta-copy h2{font-size:30px;font-weight:700;line-height:1.35;margin-bottom:14px;letter-spacing:-.3px}
.cta-copy p{color:rgba(255,255,255,.84);max-width:650px;margin-bottom:26px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:8px}
.cta-banner .btn-primary{background:#fff;color:var(--pd);box-shadow:none}
.cta-banner .btn-primary:hover{background:#FFEFD2}
.cta-banner .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
.cta-banner .btn-outline:hover{background:rgba(255,255,255,.16);color:#fff}
.cta-side{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:18px;min-width:220px}
.cta-side .metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:16px 24px;border-radius:16px;backdrop-filter:blur(6px)}
.cta-side .metric strong{
  display:block;font-size:38px;font-weight:800;font-family:"Arial Narrow","DIN Alternate",Arial,sans-serif;
  color:#fff;line-height:1.1;letter-spacing:.5px;
}
.cta-side .metric span{display:block;margin-top:4px;color:rgba(255,255,255,.76);font-size:14px;text-align:center}

.site-footer{background:#DCE8F1;margin-top:0;border-top:1px solid #C7D9E7}
.site-footer .container{padding-top:64px;padding-bottom:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:46px;padding-bottom:40px}
.footer-brand p{color:var(--text);font-size:14px;max-width:310px;margin-top:18px;line-height:1.85}
.footer-col h4{font-size:16px;color:var(--title);margin-bottom:19px;font-weight:700;position:relative;padding-bottom:7px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--acc);border-radius:2px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:var(--text);font-size:14px;transition:.2s}
.footer-col ul li a:hover{color:var(--p)}
.footer-contact li{color:var(--text);font-size:14px;display:flex;gap:10px;line-height:1.6}
.footer-contact i{color:var(--pd);width:18px;text-align:center;margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(133,165,190,.28);padding:18px 0;color:#3E667E;font-size:13px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;
}

@media (max-width:1180px){
  .container{padding:0 22px}
  .site-nav{flex-wrap:wrap;gap:8px}
  .nav-list{gap:16px}
  .nav-search{width:170px}
  .cta-buttons .btn,.cta-buttons .btn-outline{padding:0 18px}
}
@media (max-width:1100px){
  .nav-toggle{display:flex;border:1px solid var(--line)}
  .site-nav{
    display:none;position:absolute;top:100%;left:14px;right:14px;margin:12px 0 0;
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px 18px 14px;
    box-shadow:var(--shadow-lg);max-height:calc(100vh - 80px);overflow:auto;
  }
  .site-nav.open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;margin-top:6px}
  .nav-list a{height:44px;border-radius:8px;padding:0 12px}
  .nav-list a:hover,.nav-list a.active{background:#F0F7FC}
  .nav-list a::after{display:none}
  .header-tools{flex-direction:column;align-items:stretch;margin-top:8px;padding-top:12px;border-top:1px dashed #D7E3EC}
  .header-btn{justify-content:center;width:100%;height:42px}
  .nav-search{width:100%;height:44px;background:#EFF5FA}
}
@media (max-width:768px){
  .header-row{min-height:62px}
  .article-banner{padding:44px 0 40px}
  .article-title{font-size:26px}
  .article-card{max-width:100%;margin:-22px 14px 0;border-radius:18px;padding:34px 24px 44px}
  .article-content{font-size:16px;line-height:1.85}
  .related-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 24px;padding-bottom:28px}
  .footer-brand{grid-column:1/-1}
  .cta-content{flex-direction:column;align-items:flex-start}
  .cta-side{justify-content:flex-start}
  .cta-side .metric{padding:14px 16px;text-align:center}
  .cta-side .metric strong{font-size:30px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .article-meta{gap:12px}
  .article-pager{flex-direction:column}
  .article-pager a{justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .section-heading h2{font-size:23px}
}
@media (max-width:520px){
  .breadcrumb{font-size:12px}
  .article-title{font-size:22px}
  .not-found-card{max-width:100%;margin:-18px 12px 0;padding:56px 20px}
  .not-found-actions .btn,.not-found-actions .btn-outline{width:100%;justify-content:center}
  .cta-buttons .btn,.cta-buttons .btn-outline{width:100%;justify-content:center}
  .related-section{padding:50px 0}
}

/* roulang page: category2 */
:root{
  --primary:#0E6BB0;
  --primary-deep:#08457E;
  --accent:#F0A73B;
  --heading:#102A43;
  --text:#3E5568;
  --muted:#7B8D9A;
  --line:#DCE6EF;
  --bg:#F5F8FB;
  --white:#FFFFFF;
  --soft:#EAF2F9;
  --shadow-sm:0 2px 6px rgba(16,42,67,.05);
  --shadow-lg:0 18px 40px rgba(16,42,67,.08);
  --radius:12px;
  --container:1280px;
  --space:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .28s ease}
ul,ol,li{list-style:none;margin:0;padding:0}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;background:none;color:inherit}
input:focus,button:focus,a:focus{outline:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.site-header{position:sticky;top:0;left:0;right:0;z-index:120;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,230,239,.72);transition:all .3s ease}
.site-header.scrolled{background:rgba(255,255,255,.98);box-shadow:0 4px 22px rgba(16,42,67,.06)}
.header-row{display:flex;align-items:center;justify-content:space-between;height:62px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 6px 14px rgba(14,107,176,.25)}
.logo-text{font-size:20px;font-weight:800;color:var(--heading);letter-spacing:.5px;line-height:1.2}
.logo-text em{font-style:normal;color:var(--primary);font-weight:800;font-family:"DIN Alternate","Arial Narrow",sans-serif}
.site-nav{display:flex;align-items:center;gap:0}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{display:inline-flex;align-items:center;padding:8px 15px;border-radius:8px;font-size:15px;font-weight:500;color:var(--text)}
.nav-list a:hover{color:var(--primary);background:rgba(14,107,176,.06)}
.nav-list a.active{color:var(--primary);background:rgba(14,107,176,.1);font-weight:600}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:8px}
.nav-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:0 12px;overflow:hidden;height:38px;transition:all .3s ease}
.nav-search i{color:#9AA9B5;font-size:14px}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,107,176,.12)}
.nav-search input{width:120px;height:100%;font-size:14px;padding:0 9px}
.nav-search input::placeholder{color:#B0BFCC}
.nav-search button{color:var(--primary);padding:0 4px;cursor:pointer;font-size:14px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--line);cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:var(--heading);border-radius:2px;transition:all .3s ease}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:8px;padding:11px 24px;cursor:pointer;transition:all .25s ease;line-height:1.4;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff !important;border:1px solid var(--primary)}
.btn-primary:hover{background:var(--primary-deep);border-color:var(--primary-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,107,176,.24)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:rgba(14,107,176,.08);color:var(--primary-deep);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary);border:1px solid #fff}
.btn-white:hover{background:var(--soft);color:var(--primary-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,42,67,.12)}
.btn-link{background:none;color:var(--primary);border:none;padding:6px 8px}
.btn-link i{transition:all .25s ease}
.btn-link:hover i{transform:translateX(4px)}
.header-btn{height:38px;padding:0 20px;font-size:14px}
/* hero */
.page-hero{position:relative;background:linear-gradient(90deg,rgba(238,246,252,.96) 20%,rgba(220,235,247,.82) 60%,rgba(14,107,176,.35)),url("/assets/images/backpic/back-2.png") center/cover no-repeat;padding:78px 0 72px;border-bottom:1px solid var(--line);overflow:hidden}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:#B8C5D0}
.page-hero-inner{max-width:880px}
.hero-overline{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.82);border:1px solid rgba(14,107,176,.12);border-radius:100px;padding:7px 16px;font-size:14px;font-weight:600;color:var(--primary);box-shadow:var(--shadow-sm)}
.hero-overline i{color:var(--accent)}
.page-hero h1{font-size:46px;line-height:1.25;font-weight:800;color:var(--heading);margin:20px 0 0;letter-spacing:1px}
.page-hero h1 span{color:var(--primary)}
.page-hero .subline{max-width:780px;font-size:18px;line-height:1.8;color:#334F63;margin:22px 0 30px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-mini-note{display:flex;align-items:center;gap:10px;margin-top:30px;color:#60798B;font-size:14px}
.hero-mini-note i{color:var(--accent)}
/* page section */
.page-section{padding:80px 0}
.section-head{margin-bottom:56px;max-width:760px}
.section-eyebrow{font-size:15px;color:var(--primary);font-weight:700;letter-spacing:1.5px;display:inline-flex;align-items:center;gap:8px;margin-bottom:12px}
.section-eyebrow::before{content:"";width:20px;height:3px;background:var(--accent);border-radius:2px;display:inline-block}
.section-title{font-size:36px;line-height:1.3;color:var(--heading);font-weight:800;margin:8px 0 16px}
.section-title em{font-style:normal;color:var(--primary)}
.section-desc{font-size:17px;line-height:1.8;color:var(--muted)}
.section-desc strong{color:var(--heading)}
/* anchor inline nav */
.anchor-row{background:rgba(255,255,255,.85);border-bottom:1px solid var(--line);padding:16px 0;position:relative}
.anchor-inner{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.anchor-label{font-size:14px;font-weight:700;color:var(--heading);display:inline-flex;gap:8px;align-items:center;margin-right:6px}
.anchor-label i{color:var(--primary)}
.anchor-links{display:flex;gap:10px;flex-wrap:wrap}
.anchor-links a{display:inline-flex;align-items:center;padding:9px 18px;border-radius:100px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:14px;font-weight:500}
.anchor-links a i{color:var(--primary);margin-right:6px;font-size:13px}
.anchor-links a:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,107,176,.04)}
/* intro strip */
.intro-strip{background:var(--white);padding:0}
.intro-strip .container{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;padding-top:80px;padding-bottom:80px;align-items:center}
.intro-copy p{font-size:17px;line-height:1.9;margin-bottom:20px}
.intro-facts{display:flex;flex-direction:column;gap:16px}
.fact-item{display:flex;gap:16px;align-items:center;background:var(--bg);border-radius:14px;padding:19px 22px;border:1px solid rgba(220,230,239,.6);transition:all .3s ease}
.fact-item:hover{box-shadow:var(--shadow-lg);background:#fff;transform:translateY(-2px)}
.fact-item .fact-ico{width:46px;height:46px;border-radius:13px;background:rgba(14,107,176,.09);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.fact-item .fact-ico.gold{background:rgba(240,167,59,.12)}
.fact-item h4{margin:0;font-size:16px;color:var(--heading);font-weight:700}
.fact-item p{margin:4px 0 0;font-size:14px;color:var(--muted)}
/* split rows */
.services-wrap{padding:12px 0 76px}
.split-row{display:grid;grid-template-columns:1fr .92fr;gap:76px;align-items:center;padding-top:80px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.split-row:last-of-type{border-bottom:none}
.reverse .split-media{order:-1}
.split-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(14,107,176,.09);color:var(--primary);font-size:13px;font-weight:700;padding:6px 14px;border-radius:100px;margin-bottom:18px}
.split-tag i{color:var(--accent)}
.service-num{font-family:"DIN Alternate","Arial Narrow",sans-serif;font-size:16px;font-weight:700;letter-spacing:1px;color:var(--primary);background:rgba(14,107,176,.08);width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
.split-title{font-size:30px;line-height:1.4;font-weight:800;color:var(--heading);margin:8px 0 12px}
.split-desc{font-size:16px;line-height:1.85;color:#596E7E;margin-bottom:20px}
.feature-list{display:flex;flex-direction:column;gap:13px;margin:22px 0 30px}
.feature-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text);line-height:1.65}
.feature-list li i{color:var(--primary);font-size:15px;background:rgba(14,107,176,.08);width:24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px}
.feature-list li strong{font-weight:600}
.split-media{position:relative}
.split-media .img-frame{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);position:relative;aspect-ratio:4/3;background:#D7E3EE}
.split-media .img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.split-media .img-frame:hover img{transform:scale(1.02)}
.split-media .media-badge{position:absolute;bottom:18px;left:18px;background:rgba(255,255,255,.94);padding:9px 15px;border-radius:12px;font-size:14px;color:var(--heading);font-weight:600;box-shadow:var(--shadow-lg);display:flex;gap:8px;align-items:center}
.split-media .media-badge i{color:var(--accent)}
.anchor-offset{scroll-margin-top:80px}
/* process */
.process-section{background:var(--soft);padding:100px 0;position:relative;overflow:hidden}
.process-section::after{content:"";position:absolute;top:0;right:-80px;width:360px;height:360px;border-radius:50%;background:rgba(14,107,176,.06)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.step-card{background:#fff;border-radius:16px;padding:32px 28px;box-shadow:var(--shadow-sm);border:1px solid rgba(220,230,239,.6);transition:all .3s ease;position:relative;overflow:hidden}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step-card::before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:var(--primary);opacity:0;transition:all .3s ease}
.step-card:hover::before{opacity:1}
.step-no{font-family:"DIN Alternate","Arial Narrow",sans-serif;font-size:44px;font-weight:700;color:var(--line);line-height:1;margin-bottom:14px}
.step-card:nth-child(2) .step-no{color:rgba(14,107,176,.12)}
.step-card h4{font-size:19px;color:var(--heading);font-weight:700;margin:0 0 10px}
.step-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75}
/* promise dark band */
.promise-band{background:linear-gradient(135deg,#0A4D82,#07509A 60%,#0E6BB0);padding:84px 0;color:#EAF3FB}
.promise-band .section-eyebrow::before{background:var(--accent)}
.promise-inner{max-width:860px;margin:0 auto;text-align:center}
.promise-inner .section-title{color:#fff}
.promise-inner .section-desc{color:#C7DCEF}
.promise-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px;text-align:left}
.promise-item{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:24px;transition:all .3s ease}
.promise-item:hover{background:rgba(255,255,255,.16);box-shadow:0 8px 24px rgba(4,36,68,.18)}
.promise-item i{font-size:28px;color:var(--accent);margin-bottom:13px;display:block}
.promise-item h4{margin:0 0 6px;color:#fff;font-size:17px}
.promise-item p{margin:0;font-size:14px;color:#C4DBED;line-height:1.7}
/* faq */
.faq-section{background:#fff;padding:100px 0}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:16px;background:var(--bg);transition:all .25s ease}
.faq-item:hover{border-color:rgba(14,107,176,.25);background:#fff}
.faq-item summary{list-style:none;cursor:pointer;padding:21px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-weight:600;color:var(--heading);font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-ico{flex-shrink:0;width:28px;height:28px;border-radius:8px;background:rgba(14,107,176,.08);color:var(--primary);display:flex;align-items:center;justify-content:center;transition:all .35s ease}
.faq-item[open] summary .faq-ico{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-item .faq-answ{padding:0 26px 24px 58px;color:#5C7285;font-size:15px;line-height:1.8}
.faq-item .faq-answ strong{color:var(--primary)}
/* cta block */
.cta-block{background:linear-gradient(120deg,rgba(238,246,252,.92),rgba(220,235,247,.66)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat}
.cta-inner{max-width:860px;margin:0 auto;text-align:center;padding:90px 0}
.cta-ico{width:64px;height:64px;border-radius:18px;background:#fff;border:1px solid var(--line);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 24px;box-shadow:var(--shadow-lg)}
.cta-inner h2{font-size:34px;color:var(--heading);font-weight:800;margin:0}
.cta-inner p{color:#607A8E;max-width:640px;margin:18px auto 30px;font-size:16px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
/* footer */
.site-footer{background:#F1F6FA;border-top:1px solid var(--line);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:60px;padding:70px 0 54px}
.footer-brand p{font-size:14px;line-height:1.9;color:#8090A0;margin:20px 0 0;max-width:330px}
.footer-col h4{font-size:16px;font-weight:700;color:var(--heading);margin:0 0 20px}
.footer-col ul{display:flex;flex-direction:column;gap:13px}
.footer-col ul a{font-size:14px;color:#6D8292}
.footer-col ul a:hover{color:var(--primary)}
.footer-col.footer-contact i{width:20px;color:var(--primary);font-size:15px;margin-right:8px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-top:1px solid #DCECF7;color:var(--muted);font-size:13px;gap:12px;flex-wrap:wrap}
.footer-bottom a{color:inherit}
.footer-bottom a:hover{color:var(--primary)}
/* responsive */
@media(max-width:1280px){
  .page-hero h1{font-size:42px}
  .split-row{grid-gap:56px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:1024px){
  :root{--space:70px}
  .header-btn{display:none}
  .section-title{font-size:32px}
  .split-row, .reverse .split-row{grid-template-columns:1fr;gap:40px}
  .split-row{margin-top:34px}
  .reverse .split-media{order:0}
  .split-media{max-width:720px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .promise-list{grid-template-columns:repeat(2,1fr)}
  .intro-strip .container{grid-template-columns:1fr;gap:34px;padding-top:60px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  .header-row{height:58px}
  .nav-toggle{display:inline-flex}
  .site-nav{position:fixed;top:0;bottom:0;right:-320px;width:300px;background:#fff;border-left:1px solid var(--line);box-shadow:-18px 0 48px rgba(16,42,67,.12);flex-direction:column;justify-content:space-between;padding:72px 24px 30px;transition:right .35s ease;z-index:100;overflow-y:auto}
  body.nav-open .site-nav{right:0}
  body.nav-open .nav-toggle{position:fixed;right:16px;top:10px;z-index:130;background:#fff}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-list{flex-direction:column;align-items:stretch;gap:8px}
  .nav-list a{width:100%;justify-content:flex-start;font-size:17px;padding:13px 18px;min-height:46px}
  .header-tools{flex-direction:column;align-items:stretch;padding-top:20px;margin:0;border-top:1px solid var(--line)}
  .nav-search{width:100%}
  .nav-search input{width:100%}
  .page-hero{padding:56px 0 56px}
  .page-hero h1{font-size:34px}
  .page-hero .subline{font-size:16px}
  .hero-actions .btn{width:100%}
  .section-title{font-size:28px}
  .anchor-row{overflow-x:auto}
  .anchor-inner{flex-wrap:nowrap;min-width:max-content}
  .page-section{padding:58px 0}
  .split-row{padding-top:58px}
  .split-title{font-size:25px}
  .faq-item summary{padding:18px}
  .faq-item .faq-answ{padding:0 18px 20px 22px}
  .cta-inner{padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .container{padding:0 20px}
}
@media(max-width:576px){
  .promise-list,.steps-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .intro-facts .fact-item{flex-direction:row}
  .fact-item{flex-direction:column;align-items:flex-start}
  .btn{padding:11px 20px;font-size:14px}
  .page-hero h1{font-size:28px}
  .cta-inner h2{font-size:27px}
}

/* roulang page: category3 */
:root{
  --primary:#0E6BB0;
  --primary-dark:#08457E;
  --amber:#F0A73B;
  --ink:#102A43;
  --text:#3E5568;
  --muted:#7B8D9A;
  --line:#DCE6EF;
  --bg:#F4F8FB;
  --card:#FFFFFF;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 6px rgba(16,42,67,0.05);
  --shadow-lg:0 18px 40px rgba(16,42,67,0.08);
  --container:1240px;
  --header-h:64px;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#fff;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
.container{width:min(1240px,92%);margin:0 auto}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,0.96);
  border-bottom:1px solid rgba(220,230,239,0.8);
  box-shadow:0 2px 10px rgba(16,42,67,0.03);
}
.header-row{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:20px;
  font-weight:800;
  letter-spacing:1px;
  white-space:nowrap;
}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(145deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-size:18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(14,107,176,0.25);
}
.logo-text em{
  font-style:normal;
  color:var(--primary);
  font-family:"DIN Alternate","Arial Narrow",sans-serif;
  letter-spacing:0;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-list a{
  position:relative;
  display:block;
  padding:8px 12px;
  color:var(--text);
  font-weight:500;
  border-radius:8px;
  transition:var(--transition);
}
.nav-list a:hover{color:var(--primary);background:rgba(14,107,176,0.06)}
.nav-list a.active{color:var(--primary);font-weight:700}
.nav-list a.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  background:var(--bg);
  border:1px solid transparent;
  border-radius:44px;
  padding:0 6px 0 16px;
  transition:var(--transition);
}
.nav-search:focus-within{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(14,107,176,0.12);
}
.nav-search i{color:var(--muted);font-size:14px}
.nav-search input{
  width:150px;
  height:38px;
  border:0;
  background:transparent;
  outline:none;
  padding:0 8px;
  color:var(--ink);
}
.nav-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.nav-search button{
  width:30px;
  height:30px;
  border:0;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  font-size:13px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.nav-search button:hover{background:var(--primary-dark)}
.header-btn{
  min-height:38px;
  padding:8px 18px;
  border-radius:28px;
  border:0;
  background:var(--primary);
  color:#fff;
  font-weight:600;
  cursor:pointer;
  transition:var(--transition);
}
.header-btn:hover{
  background:var(--primary-dark);
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:var(--transition);
}
/* 内页 Hero */
.inner-hero{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(90deg,rgba(8,69,126,0.92),rgba(14,107,176,0.78),rgba(240,167,59,0.25)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:#fff;
  padding:80px 0 72px;
}
.inner-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 85% 30%,rgba(255,255,255,0.1),transparent 42%);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:820px;
}
.crumb{
  display:inline-flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
  padding:5px 14px;
  border-radius:30px;
  background:rgba(255,255,255,0.14);
  backdrop-filter:blur(6px);
  font-size:14px;
  color:rgba(255,255,255,0.9);
}
.crumb i{font-size:12px}
.crumb a:hover{color:#fff;opacity:.85}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  letter-spacing:2px;
  color:#F6C977;
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--amber);
  border-radius:2px;
}
.inner-hero h1{
  font-size:45px;
  line-height:1.24;
  color:#fff;
  margin:0 0 20px;
  font-weight:800;
  text-shadow:0 2px 20px rgba(8,69,126,0.25);
}
.inner-hero p{
  font-size:18px;
  line-height:1.8;
  color:rgba(255,255,255,0.92);
  max-width:760px;
  margin:0 0 30px;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:11px 26px;
  border-radius:28px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 18px rgba(14,107,176,0.24);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(14,107,176,0.3);
}
.btn-light{
  background:rgba(255,255,255,0.14);
  border-color:rgba(255,255,255,0.5);
  color:#fff;
  backdrop-filter:blur(6px);
}
.btn-light:hover{background:rgba(255,255,255,0.28);border-color:#fff}
/* 通用板块 */
.section{padding:92px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:46px;
}
.section-head.left{margin-bottom:40px}
.sec-label{
  display:inline-block;
  color:var(--primary);
  background:rgba(14,107,176,0.1);
  padding:5px 15px;
  border-radius:30px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.5px;
  margin-bottom:12px;
}
.section-head h2{
  font-size:34px;
  line-height:1.3;
  color:var(--ink);
  margin:0;
}
.section-head p{
  margin:8px 0 0;
  color:var(--muted);
  font-size:16px;
  max-width:560px;
}
.head-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
  white-space:nowrap;
}
.head-arrow i{transition:transform .25s}
.head-arrow:hover i{transform:translateX(4px)}
/* 焦点封面区 */
.focus-section{background:var(--bg)}
.focus-grid{
  display:grid;
  grid-template-columns:1.35fr .75fr;
  gap:28px;
  align-items:stretch;
}
.focus-main{
  background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
  display:block;
  transition:var(--transition);
}
.focus-main:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.focus-main .media-frame{aspect-ratio:16/9;overflow:hidden;position:relative}
.focus-main .media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.focus-main:hover .media-frame img{transform:scale(1.03)}
.media-tag{
  position:absolute;
  top:16px;
  left:16px;
  background:var(--amber);
  color:#fff;
  font-size:13px;
  font-weight:700;
  padding:5px 14px;
  border-radius:20px;
  box-shadow:0 4px 10px rgba(0,0,0,0.15);
}
.focus-body{padding:26px 28px 30px}
.focus-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 14px;
  color:var(--muted);
  font-size:14px;
  margin-bottom:10px;
}
.focus-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.focus-body h3{
  font-size:23px;
  line-height:1.4;
  color:var(--ink);
  margin:0 0 12px;
}
.focus-body p{font-size:16px;color:var(--text);margin:0 0 18px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
}
.text-link i{transition:transform .25s}
.text-link:hover i{transform:translateX(4px)}
.focus-col{
  display:flex;
  flex-direction:column;
  gap:22px;
}
.focus-small{
  display:block;
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  flex:1;
}
.focus-small:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.focus-small .media-frame{aspect-ratio:16/9;overflow:hidden}
.focus-small .media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.focus-small:hover .media-frame img{transform:scale(1.03)}
.focus-small .content{padding:18px 20px 20px}
.focus-small .tag{
  display:inline-block;
  color:var(--primary);
  background:rgba(14,107,176,0.1);
  font-size:13px;
  padding:3px 12px;
  border-radius:20px;
  margin-bottom:10px;
  font-weight:600;
}
.focus-small h3{font-size:18px;color:var(--ink);margin:0 0 7px;line-height:1.4}
.focus-small p{color:var(--muted);font-size:14px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* 栏目卡片 */
.channel-listing{
  background:#fff;
}
.channel-row{
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:28px;
  align-items:stretch;
}
.channel-row + .channel-row{margin-top:28px}
.channel-row.flip{grid-template-columns:.8fr 1.4fr}
.channel-card{
  position:relative;
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  transition:var(--transition);
}
.channel-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.channel-card .media-frame{aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--bg)}
.channel-card .media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.channel-card:hover .media-frame img{transform:scale(1.03)}
.channel-card .media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(16,42,67,0.3));
}
.channel-card .topic-label{
  position:absolute;
  left:18px;
  bottom:16px;
  z-index:2;
  background:rgba(255,255,255,0.94);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:700;
  padding:4px 14px;
  border-radius:20px;
}
.channel-card .content{
  padding:22px 24px 26px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.channel-card h3{font-size:20px;color:var(--ink);margin:0 0 10px;line-height:1.4}
.channel-card p{
  color:var(--muted);
  font-size:15px;
  margin:0 0 18px;
  flex:1;
}
.card-extra{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.card-extra .mini-note{
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:6px;
}
.card-extra .mini-note i{color:var(--amber)}
/* 数据点条 */
.stat-band{
  background:
    linear-gradient(120deg,rgba(8,69,126,0.95),rgba(14,107,176,0.85)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  color:#fff;
  padding:70px 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px;
}
.stat-item{
  text-align:center;
  padding:0 12px;
}
.stat-icon{
  width:56px;
  height:56px;
  margin:0 auto 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:18px;
  background:rgba(255,255,255,0.13);
  border:1px solid rgba(255,255,255,0.2);
  color:#F6C977;
  font-size:22px;
}
.stat-item strong{
  display:block;
  font-size:34px;
  font-weight:800;
  line-height:1.3;
  color:#fff;
}
.stat-item span{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,0.82);
  margin-top:4px;
}
/* 资讯价值特色 */
.feature-section{background:var(--bg)}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}
.feature-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:28px 30px;
  display:flex;
  gap:18px;
  align-items:flex-start;
  transition:var(--transition);
}
.feature-card:hover{box-shadow:var(--shadow-lg)}
.feature-icon{
  flex:0 0 46px;
  width:46px;
  height:46px;
  background:rgba(14,107,176,0.1);
  color:var(--primary);
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
}
.feature-card:nth-child(2) .feature-icon{background:rgba(240,167,59,0.13);color:#bE7A1a}
.feature-card h3{font-size:18px;margin:3px 0 8px;color:var(--ink)}
.feature-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.75}
/* 三步流程 */
.steps-section{background:#fff}
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  counter-reset:steps;
}
.step-item{
  position:relative;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 28px 30px;
  transition:var(--transition);
}
.step-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  background:#fff;
}
.step-num{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  font-family:"DIN Alternate","Arial Narrow",sans-serif;
  display:block;
  margin-bottom:10px;
}
.step-item:nth-child(2) .step-num{color:#c08a24}
.step-item i{
  width:46px;
  height:46px;
  border-radius:15px;
  background:rgba(14,107,176,0.1);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:16px;
}
.step-item h3{font-size:18px;color:var(--ink);margin:0 0 8px}
.step-item p{font-size:15px;color:var(--text);margin:0;line-height:1.75}
/* FAQ */
.faq-band{
  background:var(--bg);
}
.faq-layout{
  display:grid;
  grid-template-columns:.85fr 1.4fr;
  gap:40px;
  align-items:start;
}
.faq-intro .sec-label{margin-bottom:16px}
.faq-intro h2{font-size:30px;line-height:1.35;color:var(--ink);margin:0 0 14px}
.faq-intro p{color:var(--muted);font-size:16px;margin:0}
.faq-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  font-weight:600;
  color:var(--ink);
  transition:background .25s;
  position:relative;
}
.faq-item summary:hover{background:rgba(14,107,176,0.04)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-icon{
  width:30px;
  height:30px;
  flex:0 0 30px;
  background:rgba(14,107,176,0.1);
  color:var(--primary);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:14px;
}
.faq-item summary .arr{
  margin-left:auto;
  color:var(--muted);
  transition:transform .25s;
}
.faq-item[open] summary .arr{transform:rotate(180deg);color:var(--primary)}
.faq-item .answer{
  padding:0 26px 22px 68px;
  color:var(--text);
  font-size:15px;
  line-height:1.8;
}
/* CTA */
.cta-band{
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  padding:76px 0;
  color:#fff;
}
.cta-box{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}
.cta-box h2{
  font-size:32px;
  margin:0 0 10px;
  color:#fff;
}
.cta-box p{font-size:16px;color:rgba(255,255,255,0.85);margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-outline-light{
  background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.6);
  color:#fff;
}
.btn-outline-light:hover{background:rgba(255,255,255,0.2)}
/* Footer */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand p{
  color:var(--muted);
  font-size:15px;
  max-width:340px;
  margin:18px 0 0;
}
.footer-col h4{
  font-size:16px;
  color:var(--ink);
  margin:0 0 18px;
  font-weight:700;
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col li{
  font-size:15px;
  color:var(--text);
  transition:var(--transition);
}
.footer-col li a:hover{color:var(--primary);padding-left:4px}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--text);
  font-size:14px;
}
.footer-contact i{margin-top:5px;color:var(--primary);min-width:16px}
.footer-bottom{
  border-top:1px solid var(--line);
  min-height:58px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--muted);
  padding:14px 0 22px;
}
/* responsive */
@media (max-width:1200px){
  .header-tools .nav-search input{width:110px}
  .site-nav{gap:18px}
  .inner-hero h1{font-size:40px}
  .stat-grid{gap:18px}
}
@media (max-width:992px){
  .section{padding:68px 0}
  .nav-toggle{display:flex}
  .site-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    height:calc(100vh - var(--header-h));
    background:#fff;
    padding:24px 4vw 40px;
    flex-direction:column;
    align-items:stretch;
    gap:24px;
    overflow-y:auto;
    border-top:1px solid var(--line);
    box-shadow:0 30px 40px rgba(16,42,67,0.12);
    opacity:0;
    transform:translateY(-12px);
    pointer-events:none;
    visibility:hidden;
    transition:all .28s cubic-bezier(.22,.61,.36,1);
  }
  .site-nav.open{
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
    visibility:visible;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
  }
  .nav-list a{
    padding:13px 14px;
    font-size:17px;
    border-bottom:1px solid var(--line);
  }
  .nav-list a.active{background:rgba(14,107,176,0.06)}
  .header-tools{
    flex-direction:column;
    align-items:stretch;
  }
  .nav-search{width:100%}
  .nav-search input{width:100%}
  .header-btn{justify-content:center;margin-top:4px}
  .focus-grid{grid-template-columns:1fr}
  .focus-col{grid-template-columns:1fr 1fr;display:grid;align-items:stretch}
  .channel-row,.channel-row.flip{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .steps-wrap{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .faq-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15px}
  .container{width:92%}
  .inner-hero{padding:54px 0 50px}
  .inner-hero h1{font-size:33px}
  .inner-hero p{font-size:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .section-head h2{font-size:28px}
  .focus-body{padding:22px}
  .focus-body h3{font-size:20px}
  .stat-band{padding:52px 0}
  .stat-item strong{font-size:30px}
  .faq-item .answer{padding-left:24px}
  .cta-box h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:576px){
  .container{width:90%}
  .header-btn{width:100%}
  .logo-text{font-size:18px}
  .inner-hero h1{font-size:29px;line-height:1.35}
  .hero-btns{width:100%}
  .hero-btns .btn{flex:1 1 100%}
  .focus-col{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .feature-card{flex-direction:column}
  .step-item{padding:26px 22px}
  .faq-item summary{padding:16px 16px}
  .faq-item .answer{padding:0 18px 20px 18px}
  .footer-grid{gap:30px}
  .footer-bottom span{line-height:1.6}
}
@media (max-width:375px){
  .inner-hero h1{font-size:27px}
  .logo-text{font-size:17px}
  .nav-search input{width:100%}
}

/* roulang page: category4 */
:root {
      --primary: #0e6bb0;
      --primary-deep: #08457e;
      --primary-soft: rgba(14, 107, 176, 0.1);
      --accent: #f0a73b;
      --accent-soft: rgba(240, 167, 59, 0.12);
      --title: #102a43;
      --text: #3e5568;
      --muted: #7b8d9a;
      --line: #dce6ef;
      --bg-soft: #f4f8fc;
      --bg-warm: #fffdf6;
      --white: #ffffff;
      --shadow-sm: 0 2px 6px rgba(16, 42, 67, 0.05);
      --shadow-lg: 0 18px 40px rgba(16, 42, 67, 0.08);
      --radius-xl: 22px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --container: 1200px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

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

    html {
      font-size: 16px;
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font);
      background: var(--white);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button,
    input {
      font-family: inherit;
      font-size: inherit;
      border: none;
      background: none;
      outline: none;
    }

    ul,
    ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding: 96px 0;
    }

    .section-soft {
      background: var(--bg-soft);
    }

    .section-warm {
      background: var(--bg-warm);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      height: 48px;
      padding: 0 32px;
      border-radius: 10px;
      font-weight: 600;
      letter-spacing: 0.02em;
      transition: all 0.25s ease;
      cursor: pointer;
      line-height: 1;
      white-space: nowrap;
    }

    .btn i {
      font-size: 14px;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 8px 18px rgba(14, 107, 176, 0.16);
    }

    .btn-primary:hover {
      background: #0a5d99;
      transform: translateY(-2px);
      box-shadow: 0 12px 22px rgba(14, 107, 176, 0.24);
      color: #fff;
    }

    .btn-outline {
      background: var(--white);
      color: var(--primary);
      border: 2px solid var(--primary);
      padding: 0 26px;
    }

    .btn-outline:hover {
      background: var(--primary-soft);
      color: var(--primary-deep);
      transform: translateY(-2px);
    }

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

    .section-head {
      max-width: 760px;
      margin-bottom: 52px;
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-soft);
      padding: 6px 16px;
      border-radius: 999px;
      letter-spacing: 0.04em;
      margin-bottom: 18px;
    }

    .section-head h2 {
      font-size: clamp(28px, 4vw, 36px);
      line-height: 1.3;
      color: var(--title);
      font-weight: 700;
      letter-spacing: -0.01em;
    }

    .section-head p {
      margin-top: 16px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.8;
    }

    /* Header */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 64px;
      background: rgba(255, 255, 255, 0.86);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    }

    .site-header.scrolled {
      background: rgba(255, 255, 255, 0.98);
      border-bottom-color: rgba(220, 230, 239, 0.8);
      box-shadow: 0 8px 24px rgba(16, 42, 67, 0.06);
    }

    .header-row {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--primary-deep));
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 17px;
      box-shadow: 0 6px 14px rgba(14, 107, 176, 0.26);
    }

    .logo-text {
      font-size: 21px;
      font-weight: 700;
      color: var(--title);
      letter-spacing: 0.01em;
      line-height: 1.2;
    }

    .logo-text em {
      font-style: normal;
      color: var(--primary);
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      flex: 1;
    }

    .nav-list {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 4px;
    }

    .nav-list a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 15px;
      border-radius: 8px;
      color: var(--text);
      font-weight: 500;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .nav-list a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .nav-list a.active {
      color: var(--primary);
      background: var(--primary-soft);
      font-weight: 600;
    }

    .header-tools {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-left: 22px;
      padding-left: 16px;
      border-left: 1px solid var(--line);
    }

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      height: 40px;
      background: var(--bg-soft);
      border: 1px solid transparent;
      border-radius: 999px;
      padding: 0 12px;
      width: 220px;
      transition: border 0.2s ease, box-shadow 0.2s ease;
      position: relative;
    }

    .nav-search > i {
      color: var(--muted);
      font-size: 14px;
    }

    .nav-search input {
      flex: 1;
      min-width: 0;
      height: 100%;
      background: transparent;
      color: var(--title);
      font-size: 14px;
    }

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

    .nav-search button {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.2s ease;
    }

    .nav-search button:hover {
      background: var(--primary-deep);
    }

    .nav-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(14, 107, 176, 0.14);
    }

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

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      background: var(--bg-soft);
      cursor: pointer;
    }

    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--title);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .nav-toggle.open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* Support Hero */
    .support-hero {
      position: relative;
      padding: 148px 0 80px;
      overflow: hidden;
      background: var(--white);
    }

    .support-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, rgba(244, 248, 252, 0.94) 0%, rgba(250, 252, 255, 0.82) 45%),
        url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
      z-index: 0;
    }

    .support-hero::after {
      content: "";
      position: absolute;
      top: -40px;
      right: -60px;
      width: 440px;
      height: 440px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(14, 107, 176, 0.06), transparent 68%);
      z-index: 1;
    }

    .support-hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      align-items: center;
      gap: 60px;
    }

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

    .support-breadcrumb a {
      color: var(--primary);
      font-weight: 500;
      transition: color 0.2s ease;
    }

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

    .support-breadcrumb i {
      font-size: 10px;
      opacity: 0.5;
    }

    .support-copy h1 {
      font-size: clamp(34px, 4.4vw, 48px);
      line-height: 1.25;
      color: var(--title);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
    }

    .support-copy h1 span {
      color: var(--primary);
    }

    .support-copy p {
      font-size: 17px;
      line-height: 1.9;
      color: var(--text);
      max-width: 560px;
      margin-bottom: 36px;
    }

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

    .support-hero-media img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-lg);
      background: var(--bg-soft);
      border: 1px solid rgba(255, 255, 255, 0.7);
    }

    /* Channel Cards */
    .channel-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .channel-card {
      display: block;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 32px 24px 28px;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
      height: 100%;
    }

    .channel-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(14, 107, 176, 0.22);
    }

    .channel-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: var(--primary-soft);
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 23px;
      margin-bottom: 22px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .channel-card:hover .channel-icon {
      background: var(--primary);
      color: #fff;
    }

    .channel-card h3 {
      font-size: 19px;
      color: var(--title);
      line-height: 1.4;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .channel-card p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
      margin-bottom: 16px;
    }

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

    .channel-more i {
      font-size: 12px;
      transition: transform 0.2s ease;
    }

    .channel-card:hover .channel-more i {
      transform: translateX(3px);
    }

    /* Faq Area */
    .faq-area {
      padding: 96px 0;
      background: var(--bg-soft);
    }

    .support-grid {
      display: grid;
      grid-template-columns: 340px minmax(0, 1fr);
      gap: 40px;
      align-items: start;
    }

    .support-aside {
      position: sticky;
      top: 104px;
    }

    .contact-card {
      background: var(--white);
      border-radius: var(--radius-xl);
      padding: 34px 30px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--line);
    }

    .contact-card-top {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 24px;
    }

    .contact-card-icon {
      width: 50px;
      height: 50px;
      flex-shrink: 0;
      border-radius: 14px;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
    }

    .contact-card h2 {
      font-size: 22px;
      color: var(--title);
      font-weight: 700;
    }

    .contact-line {
      border-top: 1px solid var(--line);
      padding: 14px 0;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 15px;
      line-height: 1.7;
      color: var(--text);
    }

    .contact-line i {
      color: var(--primary);
      width: 16px;
      margin-top: 5px;
      font-size: 14px;
    }

    .contact-line small {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-top: 2px;
    }

    .contact-note {
      background: var(--bg-warm);
      border: 1px solid rgba(240, 167, 59, 0.24);
      border-radius: 14px;
      padding: 16px 18px;
      font-size: 14px;
      line-height: 1.8;
      color: #6b5b3a;
      display: flex;
      gap: 10px;
      margin-top: 16px;
    }

    .contact-note i {
      color: var(--accent);
      font-size: 16px;
      margin-top: 3px;
    }

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

    .faq-item {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: box-shadow 0.2s ease;
    }

    .faq-item.open {
      box-shadow: var(--shadow-sm);
      border-color: rgba(14, 107, 176, 0.25);
    }

    .faq-item h3 {
      margin: 0;
    }

    .faq-btn {
      display: flex;
      width: 100%;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 22px 24px;
      cursor: pointer;
      color: var(--title);
      text-align: left;
      font-size: 16px;
      line-height: 1.6;
      font-weight: 600;
      transition: color 0.2s ease;
    }

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

    .faq-btn i {
      flex-shrink: 0;
      width: 32px;
      height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--bg-soft);
      color: var(--primary);
      font-size: 14px;
      transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
    }

    .faq-item.open .faq-btn i {
      transform: rotate(135deg);
      background: var(--primary);
      color: #fff;
    }

    .faq-answer {
      display: none;
      padding: 0 26px 24px;
      color: var(--text);
      font-size: 15px;
      line-height: 1.9;
    }

    .faq-item.open .faq-answer {
      display: block;
      animation: fadeIn 0.28s ease;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(-6px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Process Section */
    .process-section {
      background: var(--white);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .process-item {
      background: var(--bg-soft);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      border: 1px solid transparent;
      transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
      position: relative;
    }

    .process-item:hover {
      transform: translateY(-5px);
      background: var(--white);
      border-color: var(--line);
      box-shadow: var(--shadow-lg);
    }

    .process-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      font-size: 15px;
      margin-bottom: 20px;
      font-family: "DIN Alternate", "Arial Narrow", sans-serif;
    }

    .process-item h3 {
      font-size: 17px;
      color: var(--title);
      font-weight: 700;
      margin-bottom: 12px;
    }

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

    /* Notice */
    .notice-section {
      background: var(--bg-warm);
      border-top: 1px solid rgba(240, 167, 59, 0.14);
      border-bottom: 1px solid rgba(240, 167, 59, 0.14);
      padding: 72px 0;
    }

    .notice-box {
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
    }

    .notice-icon {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent);
      font-size: 27px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 24px;
    }

    .notice-box h2 {
      font-size: 28px;
      color: var(--title);
      font-weight: 700;
      margin-bottom: 16px;
    }

    .notice-box p {
      font-size: 16px;
      color: var(--text);
      line-height: 1.9;
      margin-bottom: 12px;
    }

    .reminder-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 22px;
    }

    .reminder-tag {
      padding: 8px 18px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid #ecdcb8;
      font-size: 14px;
      color: #715a32;
    }

    /* CTA */
    .cta-section {
      padding: 96px 0;
      background: var(--white);
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      background: linear-gradient(120deg, #eff6fc, #f8fbfe 58%, #fff8ea);
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 68px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .cta-copy h2 {
      font-size: clamp(26px, 3.4vw, 36px);
      color: var(--title);
      line-height: 1.4;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .cta-copy p {
      font-size: 16px;
      color: var(--muted);
      line-height: 1.8;
      max-width: 560px;
    }

    .cta-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      flex-shrink: 0;
    }

    /* Footer */
    .site-footer {
      background: var(--bg-soft);
      border-top: 1px solid var(--line);
      padding: 64px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 0.9fr 0.9fr 1fr;
      gap: 44px;
      padding-bottom: 48px;
      border-bottom: 1px solid var(--line);
    }

    .footer-brand .logo {
      margin-bottom: 18px;
    }

    .footer-brand p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 15px;
      color: var(--title);
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul a {
      color: var(--text);
      font-size: 15px;
      transition: color 0.2s ease;
    }

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

    .footer-contact li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .footer-contact li i {
      color: var(--primary);
      margin-top: 5px;
      width: 16px;
      font-size: 13px;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      padding: 24px 0;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-bottom span:first-child {
      color: var(--text);
    }

    @media (max-width: 1024px) {
      .support-hero-inner {
        gap: 30px;
      }

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

      .support-grid {
        grid-template-columns: 300px minmax(0, 1fr);
      }

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

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

      .cta-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 50px 36px;
      }
    }

    @media (max-width: 991px) {
      .nav-toggle {
        display: inline-flex;
      }

      .site-nav {
        position: fixed;
        top: 64px;
        left: 12px;
        right: 12px;
        background: var(--white);
        border-radius: 18px;
        box-shadow: var(--shadow-lg);
        padding: 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
        border: 1px solid var(--line);
      }

      .site-header.nav-open .site-nav {
        opacity: 1;
        visibility: visible;
        transform: none;
      }

      .nav-list {
        align-items: stretch;
        flex-direction: column;
        justify-content: flex-start;
      }

      .nav-list > a {
        justify-content: flex-start;
        height: 46px;
        padding: 0 14px;
        font-size: 16px;
      }

      .header-tools {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        flex-direction: column;
        align-items: stretch;
        margin-top: 14px;
        gap: 14px;
      }

      .nav-search {
        width: 100%;
      }

      .header-btn {
        width: 100%;
      }

      .support-hero-inner {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .support-hero-media {
        max-width: 560px;
      }

      .support-hero-media img {
        aspect-ratio: 16 / 10;
      }

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

      .support-aside {
        position: static;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 64px 0;
      }

      .support-hero {
        padding: 126px 0 56px;
      }

      .faq-area,
      .process-section,
      .cta-section {
        padding: 64px 0;
      }

      .hero-actions {
        align-items: stretch;
      }

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

      .section-head {
        margin-bottom: 36px;
      }

      .support-grid {
        gap: 28px;
      }

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

      .faq-btn {
        padding: 18px 18px;
        font-size: 15px;
        gap: 14px;
      }

      .faq-answer {
        padding: 0 20px 20px;
      }
    }

    @media (max-width: 576px) {
      .container {
        padding-left: 18px;
        padding-right: 18px;
      }

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

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

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

      .cta-card {
        padding: 38px 24px;
        border-radius: 22px;
      }

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

      .notice-box p {
        font-size: 15px;
      }
    }

    @media (max-width: 375px) {
      .logo-text {
        font-size: 18px;
      }

      .support-copy h1 {
        font-size: 28px;
      }

      .support-copy p {
        font-size: 16px;
      }

      .header-btn {
        width: 100%;
      }
    }