/* roulang page: index */
:root {
  --color-bg: #0B0F14;
  --color-bg-soft: #111A23;
  --color-card: #151E28;
  --color-border: rgba(255,255,255,0.07);
  --color-primary: #00E5B2;
  --color-secondary: #7B5FF0;
  --color-accent: #FFC04D;
  --color-text: #EAF0F5;
  --color-muted: #8CA1B3;
  --grad-brand: linear-gradient(135deg, #00E5B2 0%, #00B7D8 45%, #7B5FF0 100%);
  --grad-line: linear-gradient(90deg, #00E5B2, #7B5FF0);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --glow-primary: 0 0 24px rgba(0,229,178,0.35);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  --header-h: 72px;
  --container-w: 1200px;
  --space-section: 96px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: #fff; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }

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

/* ==================== 顶部导航 ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header::after {
  content: "";
  display: block;
  height: 1px;
  background: var(--grad-line);
  opacity: .6;
}
.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo svg { width: 36px; height: 36px; flex-shrink: 0; }
.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  white-space: nowrap;
  line-height: 1;
}
.logo-text .gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  position: relative;
  padding: 10px 16px;
  color: var(--color-muted);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: color .25s;
}
.main-nav a:hover {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.04);
}
.main-nav a.active {
  color: var(--color-primary);
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -1px;
  height: 4px;
  border-radius: 4px;
  background: var(--color-primary);
  box-shadow: var(--glow-primary);
}
.header-cta {
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 14px 30px;
  transition: all .3s ease;
  white-space: nowrap;
  border: none;
}
.btn-primary {
  background: var(--grad-brand);
  color: #071008;
  box-shadow: 0 4px 20px rgba(0,229,178,0.2);
}
.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
  color: #071008;
}
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-secondary:hover {
  background: rgba(0,229,178,0.08);
  box-shadow: 0 0 20px rgba(0,229,178,0.2);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: 14px; border-radius: 10px; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  flex-shrink: 0;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  margin: 2px 0;
  border-radius: 2px;
  transition: all .3s;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-soft);
  z-index: 999;
  padding: 24px;
  overflow-y: auto;
  border-top: 1px solid var(--color-border);
  flex-direction: column;
  gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 16px;
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.8;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-card);
}
.mobile-menu a.active {
  color: var(--color-primary);
  border-color: rgba(0,229,178,0.4);
  box-shadow: 0 0 20px rgba(0,229,178,0.1);
}
.mobile-menu .btn {
  margin-top: 16px;
  width: 100%;
}

/* ==================== Hero 首屏 ==================== */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(11,15,20,0.82), rgba(11,15,20,0.6)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(0,229,178,0.15), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 30%;
  width: 400px;
  height: 300px;
  background: radial-gradient(circle, rgba(123,95,240,0.12), transparent 60%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 16px;
  border-radius: 40px;
  background: rgba(0,229,178,0.08);
  border: 1px solid rgba(0,229,178,0.35);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}
.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: 1px;
}
.hero h1 .grad {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 18px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 640px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.hero-metrics {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px;
  background: rgba(21,30,40,0.75);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
}
.hero-metric strong {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.hero-metric span {
  font-size: 13px;
  color: var(--color-muted);
}

/* ==================== 通用板块 ==================== */
.section {
  padding: var(--space-section) 0;
}
.section-alt { background: var(--color-bg-soft); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-head p {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
}

/* ==================== 服务板块 ==================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-line);
  opacity: 0;
  transition: opacity .35s;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,178,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45), 0 0 30px rgba(0,229,178,0.08);
}
.service-card:hover::before { opacity: 1; }
.service-card.featured {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  gap: 32px;
  padding: 48px 40px;
}
.service-card.featured .service-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}
.service-card.featured .service-body {
  max-width: 520px;
}
.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,229,178,0.15), rgba(123,95,240,0.15));
  border: 1px solid rgba(0,229,178,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.service-icon svg { width: 30px; height: 30px; }
.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}
.service-card p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 8px;
}
.text-link .arrow {
  transition: transform .3s;
}
.text-link:hover .arrow { transform: translateX(4px); }
.text-link:hover { color: var(--color-primary); }

/* ==================== 数据徽章 ==================== */
.stats-section {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 36px 20px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  background-image: linear-gradient(var(--color-card), var(--color-card)), var(--grad-brand);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0,229,178,0.1);
}
.stat-num {
  font-family: var(--font-num);
  font-size: 50px;
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  display: block;
}
.stat-label {
  font-size: 14px;
  color: var(--color-muted);
  letter-spacing: 0.5px;
}

/* ==================== 案例展示 ==================== */
.case-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 28px;
}
.case-row.reverse { grid-template-columns: 0.8fr 1.2fr; }
.case-card-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.case-card-main:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,178,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}
.case-card-main .case-bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  z-index: 0;
}
.case-card-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(11,15,20,0.85) 100%);
  z-index: 1;
}
.case-overlay {
  position: relative;
  z-index: 2;
  padding: 36px 32px;
  width: 100%;
}
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 30px;
  background: rgba(0,229,178,0.12);
  border: 1px solid rgba(0,229,178,0.35);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.case-overlay h3 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.case-overlay p {
  color: rgba(234,240,245,0.85);
  font-size: 14px;
  line-height: 1.7;
  max-width: 480px;
}
.case-card-side {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.case-card-side:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,178,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45), 0 0 24px rgba(0,229,178,0.08);
}
.case-card-side .case-side-img {
  height: 180px;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}
.case-side-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.case-side-body h4 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}
.case-side-body p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-side-body .text-link { margin-top: auto; }

/* ==================== 方案板块 ==================== */
.solution-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
}
.solution-block:last-child { margin-bottom: 0; }
.solution-block.reverse .solution-img { order: 2; }
.solution-block.reverse .solution-content { order: 1; }
.solution-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  min-height: 300px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.solution-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,229,178,0.06), rgba(123,95,240,0.08));
  pointer-events: none;
}
.solution-content h3 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
}
.solution-content > p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.solution-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.6;
}
.solution-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 10px rgba(0,229,178,0.6);
  flex-shrink: 0;
  margin-top: 8px;
}

/* ==================== FAQ ==================== */
.faq-section { background: var(--color-bg-soft); }
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.faq-list {
  max-width: 880px;
}
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  transition: border-color .3s, box-shadow .3s;
  overflow: hidden;
}
.faq-item.active {
  border-color: rgba(0,229,178,0.4);
  box-shadow: 0 0 24px rgba(0,229,178,0.08);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  transition: color .3s;
}
.faq-item.active .faq-question { color: var(--color-primary); }
.faq-q-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #071008;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-arrow {
  margin-left: auto;
  font-size: 22px;
  color: var(--color-muted);
  font-weight: 400;
  transition: transform .3s;
  flex-shrink: 0;
}
.faq-item.active .faq-arrow { transform: rotate(45deg); color: var(--color-primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  padding: 0 24px 0 76px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 22px;
}
.faq-help {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 100px;
  box-shadow: var(--shadow-card);
}
.faq-help h4 {
  font-size: 18px;
  color: #fff;
  font-weight: 700;
}
.faq-help p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}
.faq-help .btn { width: 100%; }

/* ==================== 资讯列表 ==================== */
.news-section { background: var(--color-bg); }
.news-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  margin-bottom: 24px;
}
.news-feature {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.news-feature:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,178,0.3);
  box-shadow: 0 12px 36px rgba(0,0,0,0.4);
}
.news-feature .news-thumb {
  height: 260px;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
  position: relative;
}
.news-feature .news-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,15,20,0.6));
}
.news-feature .news-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.news-feature .news-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}
.news-feature .news-body h3 a { color: inherit; }
.news-feature .news-body h3 a:hover { color: var(--color-primary); }
.news-feature .news-body p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tag {
  display: inline-block;
  width: fit-content;
  padding: 3px 12px;
  border-radius: 30px;
  background: rgba(0,229,178,0.1);
  border: 1px solid rgba(0,229,178,0.3);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.news-date {
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-num);
  letter-spacing: 0.5px;
}
.news-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.news-mini-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.news-mini-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,178,0.3);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.news-mini-card h4 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
}
.news-mini-card h4 a { color: inherit; }
.news-mini-card h4 a:hover { color: var(--color-primary); }
.news-more {
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.news-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  transition: background .25s;
}
.news-row:last-child { border-bottom: none; }
.news-row:hover { background: rgba(0,229,178,0.04); }
.news-row-cat {
  font-size: 12px;
  color: var(--color-primary);
  background: rgba(0,229,178,0.1);
  padding: 2px 10px;
  border-radius: 20px;
  flex-shrink: 0;
  border: 1px solid rgba(0,229,178,0.2);
}
.news-row-title {
  flex: 1;
  color: var(--color-text);
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-row-title:hover { color: var(--color-primary); }
.news-row-date {
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-num);
  flex-shrink: 0;
}
.empty-state {
  grid-column: 1 / -1;
  background: var(--color-card);
  border: 1px dashed rgba(0,229,178,0.3);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.empty-state .empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0,229,178,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  border: 1px solid rgba(0,229,178,0.3);
}
.empty-state p {
  font-size: 16px;
  color: var(--color-text);
}
.empty-state span {
  font-size: 14px;
  color: var(--color-muted);
}

/* ==================== CTA 表单 ==================== */
.cta-section {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}
.cta-card {
  background: linear-gradient(135deg, rgba(0,229,178,0.12), rgba(123,95,240,0.14)), var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,229,178,0.2);
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-line);
  opacity: 0.7;
}
.cta-left h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
}
.cta-left p {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}
.cta-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cta-contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text);
}
.cta-contact-list li .cta-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0,229,178,0.12);
  border: 1px solid rgba(0,229,178,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.cta-contact-list svg { width: 16px; height: 16px; }
.cta-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.form-input {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 15px;
  color: var(--color-text);
  transition: border-color .3s, box-shadow .3s;
  outline: none;
}
.form-input::placeholder { color: var(--color-muted); }
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,229,178,0.15);
}
textarea.form-input {
  resize: vertical;
  min-height: 100px;
}
.form-submit {
  width: 100%;
  margin-top: 8px;
}

/* ==================== 页脚 ==================== */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.4;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  color: var(--color-muted);
  font-size: 14px;
  transition: color .25s;
}
.footer-col a:hover { color: var(--color-primary); }
.footer-contact li {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.footer-contact li svg {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
}
.footer-bottom a { color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-primary); }

/* ==================== 动画 ==================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content { animation: fadeUp .8s ease both; }
.section-head { animation: fadeUp .7s ease both; }

/* ==================== 响应式断点 ==================== */
@media (max-width: 1280px) {
  :root { --space-section: 80px; }
  .hero h1 { font-size: 46px; }
  .section-head h2 { font-size: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-card { padding: 48px; gap: 40px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-help { position: static; }
}

@media (max-width: 1024px) {
  .main-nav { display: none; }
  .header-cta .btn-sm { display: none; }
  .menu-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card.featured { flex-direction: column; align-items: flex-start; padding: 36px 28px; }
  .case-row { grid-template-columns: 1fr; }
  .case-row.reverse { grid-template-columns: 1fr; }
  .solution-block { grid-template-columns: 1fr; gap: 36px; }
  .solution-block.reverse .solution-img { order: 0; }
  .solution-block.reverse .solution-content { order: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .news-feature { grid-row: auto; }
  .cta-card { grid-template-columns: 1fr; padding: 40px 32px; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .hero { min-height: auto; padding: 80px 0 60px; }
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 16px; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 28px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: span 1; }
  .stats-grid { gap: 16px; }
  .stat-num { font-size: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 32px; }
  .footer-brand p { max-width: 100%; }
  .case-card-main { min-height: 300px; }
  .case-overlay h3 { font-size: 22px; }
  .cta-card { padding: 32px 24px; }
  .cta-left h2 { font-size: 26px; }
  .cta-form { padding: 28px 24px; }
  .news-more { display: none; }
  .hero-metrics { width: 100%; flex-direction: column; }
  .hero-metric { width: 100%; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .btn { padding: 12px 22px; font-size: 14px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .section-head h2 { font-size: 24px; }
  .stats-grid { gap: 12px; }
  .stat-item { padding: 24px 16px; }
  .stat-num { font-size: 34px; }
  .service-card { padding: 28px 20px; }
  .service-card.featured { padding: 28px 20px; }
  .case-card-main { min-height: 260px; }
  .case-overlay { padding: 24px 20px; }
  .case-overlay h3 { font-size: 19px; }
  .faq-question { font-size: 15px; padding: 18px 16px; }
  .faq-answer { padding: 0 16px 16px 52px; }
  .faq-q-icon { width: 30px; height: 30px; font-size: 13px; }
  .cta-contact-list li { font-size: 14px; }
  .news-feature .news-thumb { height: 200px; }
  .news-feature .news-body { padding: 20px; }
  .news-mini-card { padding: 18px; }
  .footer-col { padding-bottom: 8px; }
  .header-inner { padding: 0 16px; }
  .logo-text { font-size: 18px; }
  .mobile-menu { padding: 16px; }
}

/* roulang page: article */
:root{
  --color-bg:#0B0F14;
  --color-bg-soft:#111A23;
  --color-card:#151E28;
  --color-border:rgba(255,255,255,0.07);
  --color-primary:#00E5B2;
  --color-secondary:#7B5FF0;
  --color-accent:#FFC04D;
  --color-text:#EAF0F5;
  --color-muted:#8CA1B3;
  --grad-brand:linear-gradient(135deg,#00E5B2 0%,#00B7D8 45%,#7B5FF0 100%);
  --grad-line:linear-gradient(90deg,#00E5B2,#7B5FF0);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-card:0 8px 30px rgba(0,0,0,0.35);
  --glow-primary:0 0 24px rgba(0,229,178,0.35);
  --font-data:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--color-bg);
  color:var(--color-text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--color-bg-soft);}
a{color:inherit;text-decoration:none;transition:color .3s;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
ul,ol{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,15,20,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--color-border);
}
.site-header::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad-line);opacity:.5;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:36px;height:36px;border-radius:10px;}
.logo-text{font-size:22px;font-weight:800;letter-spacing:1px;white-space:nowrap;}
.logo-text b{color:#fff;}
.logo-text .gradient{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;gap:32px;}
.main-nav a{
  color:var(--color-muted);font-size:15px;font-weight:500;
  padding:8px 2px;position:relative;transition:color .3s;
}
.main-nav a:hover{color:rgba(255,255,255,.9);}
.main-nav a.active{color:var(--color-primary);font-weight:600;}
.main-nav a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:3px;
  border-radius:3px;background:var(--color-primary);
  box-shadow:0 0 12px rgba(0,229,178,.6);
}
.nav-cta{display:flex;align-items:center;gap:14px;}
.btn-primary{
  display:inline-block;padding:12px 28px;
  background:var(--grad-brand);color:#071008;
  font-weight:700;font-size:15px;border-radius:12px;
  transition:all .3s;border:none;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-primary);filter:brightness(1.1);}
.btn-primary:active{transform:scale(.98);}
.nav-btn{padding:10px 22px;font-size:14px;}
.menu-toggle{
  display:none;flex-direction:column;gap:5px;
  width:40px;height:40px;justify-content:center;align-items:center;
  border-radius:8px;border:1px solid var(--color-border);
}
.menu-toggle span{width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s;}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.page-banner{
  position:relative;
  background:
    linear-gradient(135deg,rgba(11,15,20,.86) 0%,rgba(11,15,20,.62) 55%,rgba(123,95,240,.18) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:64px 0 56px;
  border-bottom:1px solid var(--color-border);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--color-muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--color-primary);}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.25);}
.breadcrumb .current{color:var(--color-muted);max-width:380px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-banner h1{
  font-size:38px;font-weight:800;line-height:1.25;
  max-width:860px;letter-spacing:.5px;
}
.page-banner h1.word-break{word-break:break-word;}
.article-meta{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:20px;
  font-size:14px;color:var(--color-muted);
}
.meta-item{display:flex;align-items:center;gap:6px;}
.meta-item svg{width:16px;height:16px;color:var(--color-primary);}
.article-wrapper{padding:56px 0 64px;}
.article-layout{max-width:760px;margin:0 auto;}
.article-content{
  font-size:16.5px;line-height:1.85;color:var(--color-text);
}
.article-content p{margin-bottom:1.3em;}
.article-content h2{
  font-size:26px;font-weight:700;margin:1.6em 0 .8em;
  color:#fff;letter-spacing:.5px;
}
.article-content h3{
  font-size:21px;font-weight:700;margin:1.5em 0 .7em;color:#fff;
}
.article-content ul,.article-content ol{
  margin-bottom:1.3em;padding-left:1.2em;
}
.article-content ul li{list-style:disc;margin-bottom:.45em;}
.article-content ol li{list-style:decimal;margin-bottom:.45em;}
.article-content li::marker{color:var(--color-primary);}
.article-content blockquote{
  margin:1.6em 0;padding:18px 24px;
  background:var(--color-bg-soft);
  border-left:4px solid var(--color-primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--color-muted);
}
.article-content img{
  border-radius:var(--radius-md);margin:1.6em 0;
  box-shadow:var(--shadow-card);
}
.article-content a{
  color:var(--color-primary);
  border-bottom:1px solid rgba(0,229,178,.35);
}
.article-content a:hover{border-bottom-color:var(--color-primary);box-shadow:0 2px 12px rgba(0,229,178,.15);}
.article-tags{
  margin-top:38px;padding-top:26px;border-top:1px solid var(--color-border);
  display:flex;flex-wrap:wrap;gap:10px;
}
.tag{
  padding:6px 18px;border-radius:999px;
  font-size:13px;color:var(--color-primary);
  border:1px solid rgba(0,229,178,.3);
  background:rgba(0,229,178,.06);
  transition:all .3s;
}
.tag:hover{border-color:var(--color-primary);box-shadow:var(--glow-primary);}
.article-footer-nav{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--color-border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.btn-secondary{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border:1px solid var(--color-primary);
  color:var(--color-primary);border-radius:12px;
  font-size:15px;font-weight:600;background:transparent;
  transition:all .3s;
}
.btn-secondary:hover{background:rgba(0,229,178,.08);box-shadow:var(--glow-primary);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--color-primary);font-weight:600;font-size:15px;
  transition:gap .3s,color .3s;
}
.text-link:hover{gap:12px;color:#fff;}
.related-section{
  background:var(--color-bg-soft);
  padding:64px 0;
  border-top:1px solid var(--color-border);
}
.section-head{text-align:center;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;
  color:var(--color-primary);text-transform:uppercase;margin-bottom:8px;
}
.section-head h2{font-size:32px;font-weight:800;color:#fff;}
.section-head p{color:var(--color-muted);margin-top:10px;font-size:15px;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.related-card{
  display:flex;flex-direction:column;
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-md);overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.related-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,178,.35);
  box-shadow:0 12px 30px rgba(0,0,0,.45),0 0 22px rgba(0,229,178,.12);
}
.related-card .cover{
  width:100%;height:180px;object-fit:cover;
  background:linear-gradient(135deg,rgba(0,229,178,.2),rgba(123,95,240,.2));
}
.related-card .card-body{
  padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;
}
.card-tag{
  align-self:flex-start;
  font-size:12px;letter-spacing:.5px;
  color:var(--color-primary);
  border:1px solid rgba(0,229,178,.35);
  border-radius:999px;
  padding:3px 12px;margin-bottom:12px;
}
.related-card h3{
  font-size:18px;font-weight:700;color:#fff;
  line-height:1.5;margin-bottom:10px;
}
.related-card p{
  font-size:14px;color:var(--color-muted);line-height:1.65;
  flex:1;margin-bottom:16px;
}
.card-date{
  font-size:13px;color:var(--color-muted);
  font-family:var(--font-data);
}
.cta-section{
  padding:72px 0;
  background:linear-gradient(135deg,rgba(0,229,178,.07),rgba(123,95,240,.07));
  border-top:1px solid var(--color-border);
  position:relative;
}
.cta-box{text-align:center;max-width:700px;margin:0 auto;}
.cta-box h2{font-size:32px;font-weight:800;color:#fff;margin-bottom:12px;}
.cta-box p{color:var(--color-muted);margin-bottom:30px;font-size:15.5px;line-height:1.8;}
.cta-box .btn-primary{
  padding:16px 40px;font-size:16px;box-shadow:0 4px 20px rgba(0,229,178,.2);
}
.not-found-wrap{padding:80px 0;}
.not-found{
  text-align:center;max-width:520px;margin:0 auto;
  background:var(--color-card);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:56px 40px;
}
.not-found-icon{
  width:72px;height:72px;margin:0 auto 24px;
  border-radius:50%;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#071008;box-shadow:0 0 30px rgba(0,229,178,.25);
}
.not-found-icon svg{width:32px;height:32px;}
.not-found h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:12px;}
.not-found p{color:var(--color-muted);margin-bottom:28px;font-size:15px;}
.site-footer{
  background:var(--color-bg);
  border-top:1px solid var(--color-border);
}
.site-footer::before{
  content:'';display:block;height:1px;
  background:var(--grad-line);opacity:.4;
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:44px;padding:56px 0 40px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{
  font-size:14px;color:var(--color-muted);line-height:1.75;
  max-width:320px;margin-top:10px;
}
.footer-col h4{
  font-size:16px;font-weight:700;color:#fff;
  margin-bottom:18px;letter-spacing:.5px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:14px;color:var(--color-muted);
  transition:color .3s,padding-left .3s;
}
.footer-col ul a:hover{color:var(--color-primary);padding-left:4px;}
.footer-contact ul li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--color-muted);
}
.footer-contact ul li svg{
  width:16px;height:16px;flex-shrink:0;
  color:var(--color-primary);margin-top:4px;
}
.footer-bottom{
  border-top:1px solid var(--color-border);
  padding:22px 0;
  text-align:center;
}
.footer-bottom p{font-size:13px;color:var(--color-muted);}
@media (max-width:1024px){
  .main-nav{gap:20px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .menu-toggle{display:flex;}
  .main-nav{
    display:none;
    position:absolute;top:72px;left:0;right:0;
    background:var(--color-bg-soft);
    flex-direction:column;
    padding:16px 24px 24px;
    border-bottom:1px solid var(--color-border);
    gap:0;
  }
  .main-nav.open{display:flex;}
  .main-nav a{
    padding:14px 0;border-bottom:1px solid var(--color-border);
    font-size:16px;width:100%;
  }
  .main-nav a:last-child{border-bottom:none;}
  .header-inner{height:64px;}
  .main-nav{top:64px;}
  .nav-btn{display:none;}
  .page-banner{padding:48px 0 40px;}
  .page-banner h1{font-size:28px;}
  .article-meta{gap:14px;flex-direction:column;}
  .related-grid{grid-template-columns:1fr;gap:20px;}
  .related-card .cover{height:200px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-top{padding:40px 0 24px;}
  .cta-section{padding:56px 0;}
  .cta-box h2{font-size:26px;}
  .article-wrapper{padding:40px 0 48px;}
  .article-footer-nav{flex-direction:column;align-items:flex-start;}
  .page-banner h1{font-size:24px;}
  .breadcrumb{font-size:13px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .logo-text{font-size:19px;}
  .page-banner h1{font-size:22px;line-height:1.4;}
  .article-content{font-size:15.5px;}
  .related-card .cover{height:170px;}
  .btn-secondary,.text-link{width:100%;justify-content:center;}
  .footer-bottom p{font-size:12px;padding:0 12px;}
  .not-found{padding:40px 24px;}
}

/* roulang page: category1 */
:root {
  --color-bg: #0B0F14;
  --color-bg-soft: #111A23;
  --color-card: #151E28;
  --color-border: rgba(255,255,255,0.07);
  --color-primary: #00E5B2;
  --color-secondary: #7B5FF0;
  --color-accent: #FFC04D;
  --color-text: #EAF0F5;
  --color-muted: #8CA1B3;
  --grad-brand: linear-gradient(135deg, #00E5B2 0%, #00B7D8 45%, #7B5FF0 100%);
  --grad-line: linear-gradient(90deg, #00E5B2, #7B5FF0);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --glow-primary: 0 0 24px rgba(0,229,178,0.35);
  --space-section: 96px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-data: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
a:focus, button:focus, input:focus, textarea:focus {
  outline: none;
}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  box-shadow: 0 0 0 3px rgba(0,229,178,0.35);
}
ul, ol { list-style: none; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header::after {
  content: "";
  display: block;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.6;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo svg {
  width: 36px;
  height: 36px;
  display: block;
}
.logo-text {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
  white-space: nowrap;
}
.logo-text .gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-muted);
  padding: 8px 2px;
  transition: color 0.3s ease;
}
.main-nav a:hover {
  color: rgba(255,255,255,0.92);
}
.main-nav a.active {
  color: var(--color-primary);
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 4px;
  border-radius: 4px;
  background: var(--grad-brand);
  box-shadow: 0 0 12px rgba(0,229,178,0.5);
}
.nav-cta {
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: border-color 0.3s;
}
.nav-toggle:hover { border-color: var(--color-primary); }
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 14px 30px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-brand);
  color: #071008;
  box-shadow: 0 4px 18px rgba(0,183,216,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,229,178,0.35);
  filter: brightness(1.1);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(0,229,178,0.08);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: scale(0.98);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 14px;
  transition: gap 0.25s ease;
}
.text-link:hover { gap: 10px; }

.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 140px 0 120px;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,15,20,0.78) 0%, rgba(11,15,20,0.82) 55%, var(--color-bg) 100%);
  z-index: 1;
}
.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.4;
  z-index: 2;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,178,0.1);
  border: 1px solid rgba(0,229,178,0.25);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.page-hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hero-lead {
  font-size: 18px;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.breadcrumb {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-top: 28px;
  font-size: 14px;
  color: var(--color-muted);
}
.breadcrumb a { color: var(--color-muted); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 8px; color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: var(--color-primary); }

.intro-section {
  padding: var(--space-section) 0;
  background: var(--color-bg);
}
.intro-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.lead-text {
  font-size: 18px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 20px;
  font-weight: 600;
}
.intro-wrap p {
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.85;
}

.stats-section {
  padding: 0 0 var(--space-section);
  background: var(--color-bg);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.data-badge {
  position: relative;
  background: linear-gradient(var(--color-card), var(--color-card)) padding-box, var(--grad-brand) border-box;
  border: 2px solid transparent;
  border-radius: 20px;
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.data-badge:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0,229,178,0.15);
}
.data-num {
  font-family: var(--font-data);
  font-size: 52px;
  font-weight: 700;
  display: block;
  line-height: 1.1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.data-label {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--color-muted);
  letter-spacing: 0.5px;
}

.content-section {
  padding: var(--space-section) 0;
  background: var(--color-bg);
}
.content-narrow {
  max-width: 820px;
  margin: 0 auto;
}
.content-narrow h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 24px;
  color: #fff;
  position: relative;
  padding-left: 22px;
}
.content-narrow h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: var(--grad-brand);
  box-shadow: var(--glow-primary);
}
.content-narrow p {
  color: var(--color-muted);
  margin-bottom: 18px;
  line-height: 1.85;
}

.content-media {
  padding: 0 0 var(--space-section);
  background: var(--color-bg);
}
.content-media .container {
  max-width: 960px;
}
.content-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  object-fit: cover;
}

.features-section {
  padding: var(--space-section) 0;
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.features-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.3;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}
.feature-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 40px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.feature-list li:hover {
  border-color: rgba(0,229,178,0.28);
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.neon-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: var(--glow-primary);
  flex-shrink: 0;
}

.related-section {
  padding: var(--space-section) 0;
  background: var(--color-bg);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.related-card {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.related-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.4;
}
.related-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,178,0.3);
  box-shadow: var(--shadow-card), 0 0 24px rgba(0,229,178,0.08);
}
.related-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(0,229,178,0.1);
  border: 1px solid rgba(0,229,178,0.2);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 18px;
}
.related-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.related-card p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 24px;
}

.cta-section {
  padding: var(--space-section) 0;
  background: var(--color-bg);
  position: relative;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 15% 30%, rgba(0,229,178,0.06), transparent 60%),
              radial-gradient(500px 250px at 85% 70%, rgba(123,95,240,0.08), transparent 60%);
  pointer-events: none;
}
.cta-box {
  position: relative;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.5;
}
.cta-left h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.4;
}
.cta-left p {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}
.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}
.cta-phone svg {
  width: 22px;
  height: 22px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: #0B0F14;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--color-text);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-muted);
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,229,178,0.15);
}
.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}
.contact-form .btn {
  align-self: flex-start;
  width: 100%;
}

.site-footer {
  background: #080C10;
  border-top: 1px solid var(--color-border);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-line);
  opacity: 0.5;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  color: var(--color-muted);
  font-size: 14px;
  transition: color 0.3s ease;
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-contact ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: 14px;
}
.footer-contact svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--color-muted);
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .cta-box {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
  .main-nav {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--color-bg-soft);
    padding: 24px 24px 32px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    z-index: 999;
    box-shadow: var(--shadow-card);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .main-nav a {
    display: block;
    width: 100%;
    padding: 14px 0;
    font-size: 16px;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
  }
  .main-nav a.active {
    color: var(--color-primary);
  }
  .main-nav a.active::after {
    display: none;
  }
  .header-inner {
    height: 72px;
  }
  .page-hero {
    padding: 90px 0 80px;
  }
  .page-hero h1 {
    font-size: 36px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .content-narrow h2 {
    font-size: 26px;
  }
  .feature-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 36px 24px;
  }
  .cta-left h2 {
    font-size: 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-brand {
    grid-column: 1;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .data-badge {
    padding: 24px 12px;
  }
  .data-num {
    font-size: 40px;
  }
  .data-label {
    font-size: 13px;
  }
  .related-card {
    padding: 24px 20px;
  }
  .contact-form .btn {
    padding: 14px 20px;
    font-size: 14px;
  }
}

/* roulang page: category2 */
:root {
  --color-bg: #0B0F14;
  --color-bg-soft: #111A23;
  --color-card: #151E28;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-primary: #00E5B2;
  --color-secondary: #7B5FF0;
  --color-accent: #FFC04D;
  --color-text: #EAF0F5;
  --color-muted: #8CA1B3;
  --grad-brand: linear-gradient(135deg, #00E5B2 0%, #00B7D8 45%, #7B5FF0 100%);
  --grad-line: linear-gradient(90deg, #00E5B2, #7B5FF0);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --glow-primary: 0 0 24px rgba(0, 229, 178, 0.35);
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, button { font-family: inherit; font-size: 15px; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--color-text);
}
.logo svg { width: 34px; height: 34px; flex-shrink: 0; border-radius: 10px; }
.logo-text b { font-weight: 800; color: #fff; }
.logo-text .gradient { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primary {
  background: var(--grad-brand);
  color: #071008;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
  filter: brightness(1.08);
}
.btn-primary:active { transform: scale(.98); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: rgba(0, 229, 178, .08); transform: translateY(-2px); }
.btn-outline:active { transform: scale(.98); }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, .92);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header::after {
  content: "";
  display: block;
  height: 1px;
  background: var(--grad-line);
  opacity: .7;
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  position: relative;
  color: var(--color-muted);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 2px;
  transition: color .2s ease;
}
.main-nav a:hover { color: rgba(255, 255, 255, .9); }
.main-nav a.active { color: var(--color-primary); font-weight: 600; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 4px;
  border-radius: 4px;
  background: var(--color-primary);
  box-shadow: 0 0 12px rgba(0, 229, 178, .6);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.header-cta { flex-shrink: 0; }

/* Hero */
.hero-category {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(110deg, rgba(11, 15, 20, .95) 15%, rgba(11, 15, 20, .72) 55%, rgba(11, 15, 20, .35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 178, .1);
  border: 1px solid rgba(0, 229, 178, .3);
  color: var(--color-primary);
  border-radius: 999px;
  padding: 7px 18px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-category h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 20px;
}
.hero-category h1 .gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* Stats */
.stats-section {
  padding: 64px 0 20px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: linear-gradient(var(--color-card), var(--color-card)) padding-box, var(--grad-brand) border-box;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-card:hover { transform: translateY(-6px); box-shadow: 0 12px 36px rgba(0, 0, 0, .45); }
.stat-number {
  display: block;
  font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 30%, var(--color-primary) 75%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-number small { font-size: 22px; }
.stat-label {
  display: block;
  color: var(--color-muted);
  font-size: 14px;
}

/* Section */
.section-spacer { padding: 72px 0; }
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.section-head p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Split blocks */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 40px 0;
}
.split-block.reverse .split-media { order: 2; }
.split-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  position: relative;
}
.split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 229, 178, .08), rgba(123, 95, 240, .05));
  pointer-events: none;
}
.split-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}
.split-body h3 {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.split-body p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 22px;
}
.dot-list li {
  position: relative;
  color: var(--color-text);
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 10px;
}
.dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 10px rgba(0, 229, 178, .5);
}

/* Timeline */
.process-section {
  background: var(--color-bg-soft);
  padding: 72px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 700px;
  height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 229, 178, .05), transparent 70%);
  pointer-events: none;
}
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--grad-line);
  border-radius: 2px;
  opacity: .55;
}
.timeline-item {
  position: relative;
  padding: 0 0 44px 86px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "DIN Alternate", "Bahnschrift", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #071008;
  background: var(--grad-brand);
  box-shadow: 0 0 22px rgba(0, 229, 178, .3);
}
.timeline-item h3 {
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.timeline-item p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 640px;
}

/* 2+1 panels */
.panels-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr .85fr;
  gap: 24px;
}
.panel-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}
.panel-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 178, .35);
  box-shadow: 0 14px 38px rgba(0, 0, 0, .45), 0 0 24px rgba(0, 229, 178, .06);
}
.panel-card.panel-primary {
  border: 1px solid rgba(0, 229, 178, .35);
  background: linear-gradient(135deg, rgba(0, 229, 178, .04), rgba(123, 95, 240, .04)), var(--color-card);
}
.panel-card .panel-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 22px;
}
.panel-card .panel-media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform .4s ease;
}
.panel-card:hover .panel-media img { transform: scale(1.04); }
.panel-tag {
  display: inline-flex;
  align-self: flex-start;
  background: rgba(0, 229, 178, .1);
  border: 1px solid rgba(0, 229, 178, .3);
  color: var(--color-primary);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}
.panel-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.panel-card p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 18px;
  flex-grow: 1;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 14px;
}
.text-link::after {
  content: "→";
  transition: transform .2s ease;
}
.text-link:hover::after { transform: translateX(4px); }

/* Quality */
.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.quality-text h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 18px;
}
.quality-text p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 24px;
}
.quality-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}
.quality-media img { width: 100%; height: 420px; object-fit: cover; }
.quality-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.7;
  padding: 9px 0;
}
.quality-list li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 3px;
}

/* FAQ */
.faq-section { padding: 72px 0; background: var(--color-bg-soft); border-top: 1px solid var(--color-border); }
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}
.faq-list { max-width: 880px; }
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item.open {
  border-color: rgba(0, 229, 178, .4);
  box-shadow: 0 0 24px rgba(0, 229, 178, .06);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  background: transparent;
  border: none;
  padding: 20px 24px;
  text-align: left;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 700;
  transition: color .2s ease;
}
.faq-item.open .faq-question { color: var(--color-primary); }
.faq-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #071008;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  transition: transform .25s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer p {
  padding: 0 24px 20px 74px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}
.faq-help {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
}
.faq-help h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.faq-help p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

/* Related */
.related-section { padding: 56px 0; border-top: 1px solid var(--color-border); }
.related-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 22px;
}
.related-wrap h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-right: 8px;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 9px 20px;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.related-link:hover {
  color: var(--color-primary);
  border-color: rgba(0, 229, 178, .4);
  transform: translateY(-2px);
}
.related-link::after { content: "→"; }

/* CTA */
.cta-section { padding: 72px 0; position: relative; overflow: hidden; }
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 229, 178, .06), rgba(123, 95, 240, .06));
  pointer-events: none;
}
.cta-box {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  background: var(--color-card);
  border: 1px solid rgba(0, 229, 178, .25);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.cta-copy h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-copy p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}
.cta-copy .contact-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-size: 16px;
  font-weight: 600;
}
.cta-copy .contact-line svg { width: 20px; height: 20px; color: var(--color-primary); }
.cta-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cta-form input,
.cta-form textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--color-text);
  transition: border-color .2s ease, box-shadow .2s ease;
  outline: none;
}
.cta-form textarea { min-height: 96px; resize: vertical; }
.cta-form input::placeholder,
.cta-form textarea::placeholder { color: var(--color-muted); }
.cta-form input:focus,
.cta-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 178, .15);
}

/* Footer */
.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  position: relative;
}
.site-footer::before {
  content: "";
  display: block;
  height: 1px;
  background: var(--grad-line);
  opacity: .6;
}
.site-footer .footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand p {
  margin-top: 18px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .3px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: var(--color-muted);
  font-size: 14px;
  transition: color .2s ease;
}
.footer-col ul a:hover { color: var(--color-primary); }
.footer-contact ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: 14px;
}
.footer-contact ul li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-category h1 { font-size: 46px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .panels-grid { grid-template-columns: 1fr 1fr; }
  .panel-card.panel-primary { grid-column: 1 / -1; }
  .quality-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-layout { grid-template-columns: 1fr; }
  .cta-box { grid-template-columns: 1fr; gap: 32px; }
  .site-footer .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .site-header .header-inner { height: 64px; }
  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg-soft);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px 24px;
    z-index: 99;
    box-shadow: 0 18px 30px rgba(0, 0, 0, .4);
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    display: block;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .04);
  }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { color: var(--color-primary); }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .hero-category { min-height: 480px; padding: 72px 0 56px; }
  .hero-category h1 { font-size: 36px; }
  .hero-lead { font-size: 15px; }
  .section-spacer { padding: 48px 0; }
  .section-head h2 { font-size: 27px; }
  .section-head { margin-bottom: 32px; }
  .split-block { grid-template-columns: 1fr; gap: 24px; padding: 24px 0; }
  .split-block.reverse .split-media { order: 0; }
  .split-media img { height: 240px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-card { padding: 20px 14px; }
  .stat-number { font-size: 38px; }
  .process-section { padding: 48px 0; }
  .timeline::before { left: 22px; }
  .timeline-item { padding-left: 64px; }
  .timeline-marker { width: 46px; height: 46px; font-size: 15px; border-radius: 14px; }
  .panels-grid { grid-template-columns: 1fr; }
  .panel-card.panel-primary { grid-column: auto; }
  .quality-media img { height: 260px; }
  .faq-section { padding: 48px 0; }
  .faq-question { padding: 18px; font-size: 15px; }
  .faq-answer p { padding: 0 18px 16px 64px; }
  .cta-section { padding: 48px 0; }
  .cta-box { padding: 28px 20px; gap: 24px; }
  .cta-copy h2 { font-size: 25px; }
  .related-wrap { flex-direction: column; align-items: flex-start; }
  .site-footer .footer-top { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 32px; }
}
@media (max-width: 520px) {
  .hero-category h1 { font-size: 30px; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 30px; }
  .cta-form { gap: 12px; }
  .hero-bg img { object-position: 60% center; }
}
@media (max-width: 360px) {
  .logo-text { font-size: 18px; }
  .hero-lead { font-size: 14px; }
}

/* roulang page: category3 */
:root{
  --color-bg:#0B0F14;
  --color-bg-soft:#111A23;
  --color-card:#151E28;
  --color-border:rgba(255,255,255,0.07);
  --color-primary:#00E5B2;
  --color-secondary:#7B5FF0;
  --color-accent:#FFC04D;
  --color-text:#EAF0F5;
  --color-muted:#8CA1B3;
  --grad-brand:linear-gradient(135deg,#00E5B2 0%,#00B7D8 45%,#7B5FF0 100%);
  --grad-line:linear-gradient(90deg,#00E5B2,#7B5FF0);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-card:0 8px 30px rgba(0,0,0,0.35);
  --glow-primary:0 0 24px rgba(0,229,178,0.35);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--color-bg);
  color:var(--color-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
img{max-width:100%;display:block;}
ul,ol{list-style:none;}
button{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{line-height:1.25;font-weight:800;}
h2{font-size:34px;margin-bottom:14px;}
h3{font-size:22px;margin-bottom:10px;}
p{color:var(--color-muted);}
.section-pad{padding:90px 0;}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--color-primary);
  border:1px solid rgba(0,229,178,.35);
  border-radius:999px;padding:6px 16px;margin-bottom:18px;
  letter-spacing:.5px;
}
.section-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 8px rgba(0,229,178,.8);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:12px;font-weight:700;font-size:16px;line-height:1;
  border:none;cursor:pointer;transition:all .25s ease;
}
.btn-primary{background:var(--grad-brand);color:#071008;}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.1);box-shadow:var(--glow-primary);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary);}
.btn-outline:hover{background:rgba(0,229,178,.08);transform:translateY(-2px);}
.btn-outline:active{transform:scale(.98);}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--color-primary);font-weight:700;font-size:15px;transition:gap .25s ease;}
.text-link:hover{gap:10px;}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,15,20,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:1px;
  background:var(--grad-line);opacity:.8;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:38px;height:38px;filter:drop-shadow(0 0 8px rgba(0,229,178,.3));}
.logo-text{font-size:20px;font-weight:800;color:var(--color-text);letter-spacing:.5px;}
.logo-text .gradient{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{
  position:relative;color:var(--color-muted);font-size:15px;font-weight:600;
  padding:8px 0;transition:color .25s ease;
}
.main-nav a:hover{color:rgba(255,255,255,.92);}
.main-nav a.active{color:var(--color-primary);}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:4px;
  border-radius:4px;background:var(--grad-line);
  box-shadow:0 0 12px rgba(0,229,178,.65);
}
.header-cta{flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;background:none;border:1px solid var(--color-border);
  border-radius:10px;color:var(--color-text);cursor:pointer;
}

.page-hero{
  position:relative;padding:120px 0 100px;overflow:hidden;
  border-bottom:1px solid transparent;
  background:linear-gradient(var(--color-bg),var(--color-bg)) padding-box,var(--grad-line) border-box;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.22;
}
.page-hero::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-line);box-shadow:0 0 20px rgba(0,229,178,.5);
}
.page-hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--color-primary);border:1px solid rgba(0,229,178,.35);
  border-radius:999px;padding:8px 18px;margin-bottom:24px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 10px rgba(0,229,178,.9);}
.page-hero h1{font-size:56px;margin-bottom:22px;}
.page-hero p{font-size:18px;max-width:640px;margin-bottom:36px;line-height:1.8;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

.stats-section{padding:70px 0;background:var(--color-bg-soft);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--color-card);border-radius:20px;padding:36px 24px;text-align:center;
  border:2px solid transparent;
  background:linear-gradient(var(--color-card),var(--color-card)) padding-box,var(--grad-brand) border-box;
  box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,229,178,.2);}
.stat-num{
  font-family:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
  font-size:52px;font-weight:700;line-height:1.15;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
.stat-label{font-size:14px;color:var(--color-muted);font-weight:600;letter-spacing:.5px;}

.process-section{padding:90px 0;}
.timeline{position:relative;max-width:1000px;margin:0 auto;padding:10px 0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:var(--grad-line);transform:translateX(-50%);
  box-shadow:0 0 12px rgba(0,229,178,.4);
}
.tl-item{position:relative;width:50%;padding:0 42px 44px 0;}
.tl-item.right{margin-left:50%;padding:0 0 44px 42px;}
.tl-item::before{
  content:"";position:absolute;right:-11px;top:26px;width:22px;height:22px;
  border-radius:50%;background:var(--color-bg);
  border:2px solid var(--color-primary);
  box-shadow:0 0 16px rgba(0,229,178,.65);
  z-index:2;
}
.tl-item.right::before{left:-11px;right:auto;}
.tl-card{
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(0,229,178,.35);box-shadow:var(--shadow-card),var(--glow-primary);}
.tl-num{
  font-family:"DIN Alternate","Bahnschrift",sans-serif;
  font-size:14px;font-weight:700;letter-spacing:2px;color:var(--color-primary);
  display:block;margin-bottom:10px;
}
.tl-card h3{font-size:19px;margin-bottom:8px;}
.tl-card p{font-size:14px;line-height:1.7;}

.services-section{padding:90px 0;background:var(--color-bg-soft);}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:1100px;margin:0 auto;}
.svc-card{
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.svc-card:hover{transform:translateY(-6px);border-color:rgba(0,229,178,.4);box-shadow:var(--shadow-card),var(--glow-primary);}
.svc-card.wide{grid-column:1/-1;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;}
.svc-icon{
  width:52px;height:52px;border-radius:14px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  color:#071008;box-shadow:0 0 18px rgba(0,229,178,.25);
}
.svc-icon svg{width:26px;height:26px;}
.svc-card h3{font-size:21px;margin-bottom:10px;}
.svc-card p{font-size:15px;line-height:1.75;}
.svc-sub-list{margin-top:14px;display:grid;gap:10px;}
.svc-sub-list li{position:relative;padding-left:24px;font-size:15px;color:var(--color-text);}
.svc-sub-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--color-primary);box-shadow:0 0 8px rgba(0,229,178,.7);
}

.feature-section{padding:90px 0;}
.feature-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-card);}
.feature-content h2{font-size:36px;}
.feature-content>p{margin-bottom:24px;}
.feature-list li{
  position:relative;padding-left:28px;margin-bottom:14px;color:var(--color-text);
  font-size:15px;line-height:1.7;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--color-primary);box-shadow:0 0 10px rgba(0,229,178,.7);
}
.feature-content .btn{margin-top:12px;}

.related-section{padding:90px 0;background:var(--color-bg-soft);}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:1000px;margin:0 auto;}
.related-card{
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.related-card:hover{transform:translateY(-6px);border-color:rgba(0,229,178,.4);box-shadow:var(--shadow-card),var(--glow-primary);}
.related-card img{height:220px;object-fit:cover;}
.related-body{padding:28px;display:flex;flex-direction:column;flex:1;}
.related-body h3{font-size:21px;margin-bottom:8px;}
.related-body p{font-size:14px;line-height:1.7;flex:1;margin-bottom:16px;}
.related-body .text-link{margin-top:auto;}

.faq-section{padding:90px 0;}
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.open{border-color:rgba(0,229,178,.45);box-shadow:0 0 24px rgba(0,229,178,.12);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:22px 24px;
  background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--color-text);transition:color .3s;
}
.faq-q .q-icon{
  width:32px;height:32px;flex-shrink:0;border-radius:10px;
  background:var(--grad-brand);color:#071008;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;box-shadow:0 0 12px rgba(0,229,178,.25);
}
.faq-item.open .faq-q{color:var(--color-primary);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease;}
.faq-a-inner{overflow:hidden;padding:0 24px 0 72px;color:var(--color-muted);font-size:15px;line-height:1.8;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-item.open .faq-a-inner{padding-bottom:22px;}

.cta-section{padding:90px 0;}
.cta-card{
  background:var(--grad-brand);border-radius:var(--radius-lg);
  padding:64px 48px;text-align:center;color:#071008;
  box-shadow:0 24px 70px rgba(0,229,178,.25);
}
.cta-card h2{font-size:38px;color:#071008;margin-bottom:14px;}
.cta-card p{font-size:17px;color:rgba(7,16,8,.75);margin-bottom:30px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta-card .btn-primary{background:#071008;color:#fff;}
.cta-card .btn-primary:hover{box-shadow:0 8px 30px rgba(7,16,8,.35);transform:translateY(-2px);}
.cta-card .btn-outline{border-color:#071008;color:#071008;}
.cta-card .btn-outline:hover{background:rgba(7,16,8,.08);}

.site-footer{background:var(--color-bg-soft);border-top:1px solid transparent;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-line);opacity:.7;
}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand p{font-size:14px;margin-top:16px;line-height:1.8;}
.footer-col h4{font-size:17px;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{color:var(--color-muted);font-size:14px;}
.footer-col a:hover{color:var(--color-primary);}
.footer-col svg{width:18px;height:18px;margin-right:8px;vertical-align:-4px;}
.footer-contact li{color:var(--color-muted);font-size:14px;display:flex;align-items:center;}
.footer-bottom{
  border-top:1px solid var(--color-border);
  padding:22px 0;text-align:center;font-size:13px;color:var(--color-muted);
}
.footer-bottom a{color:var(--color-muted);}
.footer-bottom a:hover{color:var(--color-primary);}

@media(max-width:1280px){
  .stats-grid{grid-template-columns:repeat(4,1fr);}
}
@media(max-width:1024px){
  h2{font-size:30px;}
  .page-hero{padding:90px 0;}
  .page-hero h1{font-size:44px;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .feature-inner{grid-template-columns:1fr;gap:36px;}
  .feature-image img{max-height:420px;object-fit:cover;width:100%;}
}
@media(max-width:768px){
  .main-nav{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:var(--color-bg-soft);flex-direction:column;align-items:stretch;
    padding:10px 24px 20px;gap:0;
    border-bottom:1px solid var(--color-border);
  }
  .main-nav.open{display:flex;}
  .main-nav a{
    padding:14px 0;border-bottom:1px solid var(--color-border);
    font-size:16px;
  }
  .main-nav a:last-child{border-bottom:none;}
  .main-nav a.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .page-hero h1{font-size:36px;}
  .page-hero p{font-size:16px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-num{font-size:42px;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-card.wide{grid-template-columns:1fr;gap:16px;}
  .related-grid{grid-template-columns:1fr;}
  .timeline::before{left:10px;}
  .tl-item,.tl-item.right{width:100%;margin-left:0;padding:0 0 32px 42px;}
  .tl-item::before,.tl-item.right::before{left:1px;right:auto;top:26px;}
  .cta-card{padding:44px 24px;}
  .cta-card h2{font-size:30px;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .section-pad,.process-section,.services-section,.feature-section,.related-section,.faq-section,.cta-section{padding:64px 0;}
  .faq-a-inner{padding:0 20px 0 60px;}
}
@media(max-width:520px){
  .container{padding:0 18px;}
  .logo-text{font-size:18px;}
  .logo svg{width:34px;height:34px;}
  .page-hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-card{padding:26px 16px;}
  .stat-num{font-size:34px;}
  .tl-card{padding:22px 20px;}
  .footer-top{padding:48px 0 32px;}
}