/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --bg-primary: #0B141F;
  --bg-secondary: #0D1B2A;
  --bg-elevated: #0E1C2E;
  --primary: #2DD4BF;
  --primary-dark: #0EA5A4;
  --accent: #D4A85C;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-glass: rgba(255,255,255,0.12);
  --glass-bg: rgba(255,255,255,0.06);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.30);
  --shadow-hover: 0 12px 40px rgba(45,212,191,0.12), 0 8px 30px rgba(0,0,0,0.40);
  --glow-primary: 0 0 20px rgba(45,212,191,0.35);
  --glow-accent: 0 0 18px rgba(212,168,92,0.30);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "DIN Alternate", sans-serif;
  --spacing-section: 96px;
  --container-width: 1200px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background: linear-gradient(140deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

a:hover {
  color: var(--primary);
  opacity: 0.85;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  position: relative;
  letter-spacing: -0.01em;
}

h2::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 4px;
  margin-right: 12px;
  vertical-align: middle;
  box-shadow: var(--glow-primary);
}

p {
  color: var(--text-secondary);
}

::selection {
  background: rgba(45, 212, 191, 0.3);
  color: #fff;
}

/* ===== Layout Container ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: var(--spacing-section) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary);
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.section-title-wrap {
  margin-bottom: 48px;
}

.section-title-wrap p {
  max-width: 640px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.text-center {
  text-align: center;
}

.text-center h2::before {
  display: none;
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  border-radius: 0 0 4px 0;
  transition: height 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(45, 212, 191, 0.3);
  box-shadow: var(--shadow-hover);
}

.glass-card:hover::before {
  height: 40px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-xs);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #2DD4BF, #0EA5A4);
  color: #fff;
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 28px rgba(45, 212, 191, 0.45);
  color: #fff;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 0 12px rgba(45, 212, 191, 0.3);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--primary);
  box-shadow: 0 0 18px rgba(45, 212, 191, 0.15);
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(212, 168, 92, 0.4);
}

.btn-ghost:hover {
  border-color: var(--accent);
  box-shadow: var(--glow-accent);
  color: var(--accent);
}

.btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 70px;
  background: transparent;
  transition: height 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  height: 56px;
  background: rgba(11, 20, 31, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

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

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
  border: 1px solid rgba(45, 212, 191, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  font-weight: 800;
  box-shadow: var(--glow-primary);
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  position: relative;
}

.main-nav a:hover {
  color: var(--primary);
  background: rgba(45, 212, 191, 0.08);
}

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

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
  box-shadow: var(--glow-primary);
}

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

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  padding: 0 14px;
  height: 36px;
  gap: 8px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.search-box i {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  width: 120px;
}

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

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
}

.header-link {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
}

.header-link:hover {
  color: var(--primary);
}

.btn-header {
  height: 36px;
  padding: 0 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-xs);
  background: linear-gradient(135deg, #2DD4BF, #0EA5A4);
  color: #fff;
  box-shadow: var(--glow-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  transition: all 0.25s ease;
}

.btn-header:hover {
  filter: brightness(1.1);
  color: #fff;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
}

.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 20, 31, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu a {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-menu a.active {
  color: var(--primary);
}

.mobile-menu a i {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 20, 31, 0.92) 0%, rgba(11, 20, 31, 0.55) 50%, rgba(13, 27, 42, 0.85) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-secondary) 2%, transparent 30%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--primary);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 30%, rgba(255, 255, 255, 0.75));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  margin-bottom: 20px;
  max-width: 720px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.9;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta i {
  color: var(--primary);
  font-size: 0.85rem;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  z-index: 1;
  animation: floatOrb 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 300px;
  height: 300px;
  background: var(--primary);
  top: 20%;
  right: 10%;
}

.hero-orb-2 {
  width: 200px;
  height: 200px;
  background: var(--accent);
  bottom: 20%;
  left: 5%;
  animation-delay: 4s;
}

@keyframes floatOrb {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.05);
  }
}

/* ===== Service Section ===== */
.service-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.service-grid {
  display: flex;
  gap: 40px;
  align-items: stretch;
}

.service-visual {
  flex: 0 0 45%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
}

.service-visual img {
  width: 100%;
  height: 100%;
  min-height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-visual:hover img {
  transform: scale(1.03);
}

.service-list {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

.service-item:last-child {
  border-bottom: none;
}

.service-item:hover {
  padding-left: 12px;
}

.service-num {
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px var(--primary);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.8;
}

.service-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.service-item p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Stats Section ===== */
.stats-section {
  background: var(--bg-elevated);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  overflow: hidden;
}

.stat-item {
  padding: 40px 32px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease;
}

.stat-item:last-child {
  border-right: none;
}

.stat-item:hover {
  background: rgba(45, 212, 191, 0.05);
}

.stat-number {
  font-family: var(--font-num);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item:nth-child(2) .stat-number {
  color: var(--accent);
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ===== Cases Section ===== */
.cases-section {
  background: var(--bg-primary);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  transition: all 0.35s ease;
}

.case-card:hover {
  border-color: rgba(45, 212, 191, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.case-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.case-card:hover .case-cover img {
  transform: scale(1.05);
}

.case-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 20, 31, 0.4), transparent 50%);
}

.case-body {
  padding: 28px;
}

.case-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.case-body p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.3s ease;
}

.case-link:hover {
  gap: 12px;
}

/* ===== News Section ===== */
.news-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-elevated) 100%);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  transition: all 0.3s ease;
  position: relative;
}

.news-item:hover {
  border-color: rgba(45, 212, 191, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}

.news-date {
  flex-shrink: 0;
  text-align: center;
  background: rgba(45, 212, 191, 0.08);
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  min-width: 64px;
}

.news-date .day {
  font-family: var(--font-num);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  display: block;
}

.news-date .month {
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

.news-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-body h3 a {
  color: var(--text-primary);
}

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

.news-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-tag {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(212, 168, 92, 0.1);
  border: 1px solid rgba(212, 168, 92, 0.2);
  border-radius: 999px;
  padding: 4px 14px;
  white-space: nowrap;
  transition: all 0.25s ease;
}

.news-tag:hover {
  border-color: var(--accent);
  box-shadow: var(--glow-accent);
}

.empty-tip {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
  font-size: 1rem;
  background: var(--glass-bg);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-md);
}

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

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 1px;
  background: repeating-linear-gradient(to right, rgba(45, 212, 191, 0.4) 0 8px, transparent 8px 16px);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.1);
  border: 2px solid rgba(45, 212, 191, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  color: var(--primary);
  box-shadow: var(--glow-primary);
  position: relative;
}

.step-icon::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px dashed rgba(45, 212, 191, 0.3);
  animation: spin 20s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.process-step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 260px;
  margin: 0 auto;
}

.process-panel {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.process-panel p {
  flex: 1;
  min-width: 260px;
  font-size: 0.98rem;
  line-height: 1.8;
}

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

.faq-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.faq-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.faq-more:hover {
  color: var(--primary);
  gap: 12px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.35s ease;
}

.faq-item.active {
  border-color: rgba(45, 212, 191, 0.35);
  box-shadow: 0 8px 30px rgba(45, 212, 191, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
}

.faq-question h3 {
  font-size: 1.02rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.faq-item.active .faq-question h3 {
  color: var(--primary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all 0.35s ease;
}

.faq-item.active .faq-icon {
  color: var(--primary);
  border-color: var(--primary);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: 0 24px;
  padding-top: 16px;
}

.faq-answer-inner p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--bg-elevated);
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
}

.cta-inner h2::before {
  display: none;
}

.cta-inner > p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cta-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.cta-contact span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cta-contact i {
  color: var(--accent);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-primary);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: var(--glow-primary);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: var(--glow-primary);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: all 0.25s ease;
}

.footer-col ul a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.footer-contact i {
  color: var(--accent);
  margin-top: 2px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color 0.25s ease;
}

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

.footer-legal {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 0.9rem;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.35s ease;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--glow-primary);
}

.back-to-top:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  :root {
    --spacing-section: 72px;
  }

  .main-nav {
    display: none;
  }

  .header-actions .search-box,
  .header-actions .header-link {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .service-grid {
    flex-direction: column;
  }

  .service-visual {
    flex: auto;
  }

  .service-visual img {
    min-height: 280px;
  }

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

  .process-steps {
    gap: 24px;
  }

  .process-steps::before {
    display: none;
  }

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

  .stat-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

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

@media (max-width: 767px) {
  :root {
    --spacing-section: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 120px 0 80px;
  }

  .hero h1 {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .hero-btns {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-title-wrap {
    margin-bottom: 32px;
  }

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

  .stat-item {
    padding: 28px 16px;
  }

  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
  }

  .news-date {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
  }

  .news-body h3 {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-body p {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

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

  .process-panel {
    flex-direction: column;
    text-align: center;
    padding: 28px;
  }

  .process-panel .btn {
    width: 100%;
  }

  .faq-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .faq-question {
    padding: 16px 14px;
  }

  .faq-question h3 {
    font-size: 0.95rem;
  }

  .faq-answer-inner {
    margin: 0 14px;
    padding: 14px 14px 18px;
  }

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

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

  .cta-contact {
    flex-direction: column;
    gap: 12px;
  }

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

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

  .footer-legal {
    justify-content: center;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
  }
}

@media (max-width: 520px) {
  .brand-name {
    font-size: 0.92rem;
  }

  .brand-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .btn-header {
    display: none;
  }

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

  .stat-number {
    font-size: 1.8rem;
  }
}

/* roulang page: category1 */
:root {
    --bg-primary: #0B141F;
    --bg-secondary: #0D1B2A;
    --bg-deep: #0E1C2E;
    --bg-card: rgba(255,255,255,0.06);
    --bg-card-hover: rgba(255,255,255,0.09);
    --border-glass: rgba(255,255,255,0.10);
    --border-light: rgba(255,255,255,0.08);
    --primary: #2DD4BF;
    --primary-dark: #0EA5A4;
    --accent: #D4A85C;
    --text-primary: #E2E8F0;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --glow-primary: rgba(45,212,191,0.35);
    --glow-accent: rgba(212,168,92,0.30);
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --radius-xs: 10px;
    --shadow-card: 0 8px 30px rgba(0,0,0,0.30);
    --shadow-hover: 0 12px 40px rgba(45,212,191,0.12), 0 8px 30px rgba(0,0,0,0.40);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-sans);
    background: linear-gradient(140deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.75;
    font-size: 16px;
    min-height: 100vh;
    overflow-x: hidden;
  }

  img { max-width: 100%; height: auto; display: block; }
  a { color: var(--primary); text-decoration: none; transition: var(--transition); }
  a:hover { color: var(--primary); }
  button { font-family: inherit; cursor: pointer; }
  input, textarea { font-family: inherit; }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ====== 导航 ====== */
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 70px;
    background: rgba(11,20,31,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
  }

  .main-nav.scrolled {
    height: 56px;
    background: rgba(11,20,31,0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  }

  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 20px;
  }

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

  .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 0 20px var(--glow-primary);
  }

  .brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
  }

  .nav-links a {
    padding: 10px 18px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
  }

  .nav-links a:hover {
    color: var(--primary);
    background: rgba(45,212,191,0.08);
  }

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

  .nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 18px;
    right: 18px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
    box-shadow: 0 0 10px var(--glow-primary);
  }

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

  .search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 7px 14px;
    transition: var(--transition);
    width: 180px;
  }

  .search-wrap:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 16px rgba(45,212,191,0.20);
    background: rgba(255,255,255,0.08);
  }

  .search-wrap i {
    font-size: 0.8rem;
    color: var(--text-muted);
  }

  .search-wrap input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    width: 100%;
  }

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

  .nav-login {
    font-size: 0.88rem;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
  }

  .nav-login:hover { color: var(--primary); }

  .nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 9px 22px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: 0 0 18px var(--glow-primary);
    transition: var(--transition);
    white-space: nowrap;
  }

  .nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 26px rgba(45,212,191,0.5);
    color: #fff;
  }

  .nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1.1rem;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }

  .nav-toggle:hover { border-color: var(--primary); color: var(--primary); }

  /* 移动端菜单 */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(11,20,31,0.96);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    gap: 8px;
  }

  .mobile-menu.open { display: flex; }

  .mobile-menu a {
    padding: 14px 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-radius: 8px;
    transition: var(--transition);
  }

  .mobile-menu a:hover { color: var(--primary); background: rgba(45,212,191,0.06); }
  .mobile-menu a.active { color: var(--primary); font-weight: 600; }

  /* ====== Hero ====== */
  .page-hero {
    position: relative;
    padding: 150px 0 80px;
    background: linear-gradient(140deg, rgba(11,20,31,0.94) 0%, rgba(11,20,31,0.78) 50%, rgba(14,28,46,0.90) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border-bottom: 1px solid var(--border-light);
    overflow: hidden;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45,212,191,0.12) 0%, transparent 70%);
    animation: float 12s ease-in-out infinite;
    pointer-events: none;
  }

  .page-hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 20%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,168,92,0.08) 0%, transparent 70%);
    animation: float 16s ease-in-out infinite reverse;
    pointer-events: none;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
  }

  .breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .breadcrumb a { color: var(--text-muted); }
  .breadcrumb a:hover { color: var(--primary); }
  .breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }
  .breadcrumb .current { color: var(--primary); font-weight: 500; }

  .page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
  }

  .page-hero-tag {
    display: inline-block;
    padding: 5px 16px;
    background: rgba(45,212,191,0.10);
    border: 1px solid rgba(45,212,191,0.30);
    border-radius: 999px;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
  }

  .page-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #E2E8F0 0%, #94A3B8 50%, #E2E8F0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
  }

  .page-hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 680px;
    line-height: 1.8;
    margin-bottom: 32px;
  }

  .hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 13px 32px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    box-shadow: 0 0 20px var(--glow-primary);
    transition: var(--transition);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 32px rgba(45,212,191,0.5);
    color: #fff;
  }

  .btn-primary:active {
    transform: translateY(0) scale(0.98);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 13px 32px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    backdrop-filter: blur(10px);
  }

  .btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 20px rgba(45,212,191,0.2);
  }

  .btn-secondary:active {
    transform: scale(0.98);
  }

  .btn:focus-visible, .btn-primary:focus-visible, .btn-secondary:focus-visible, .nav-cta:focus-visible, .nav-toggle:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  .hero-data {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
    flex-wrap: wrap;
  }

  .hero-data-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .hero-data-num {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    font-family: "Inter", "DIN Alternate", sans-serif;
  }

  .hero-data-label {
    font-size: 0.8rem;
    color: var(--text-muted);
  }

  .hero-data-divider {
    width: 1px;
    height: 32px;
    background: var(--border-light);
  }

  /* ====== 内容列表 + 边栏 ====== */
  .content-section {
    padding: 100px 0;
    position: relative;
  }

  .section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
    gap: 24px;
    flex-wrap: wrap;
  }

  .section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--primary);
    padding: 4px 14px;
    background: rgba(45,212,191,0.10);
    border-radius: 999px;
    margin-bottom: 10px;
    text-transform: uppercase;
  }

  .section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    position: relative;
    padding-left: 24px;
  }

  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    border-radius: 4px;
    background: var(--primary);
    box-shadow: 0 0 12px var(--glow-primary);
  }

  .section-desc {
    color: var(--text-secondary);
    max-width: 520px;
    font-size: 0.95rem;
  }

  .content-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
    align-items: start;
  }

  .news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .news-list-item {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
    backdrop-filter: blur(12px);
  }

  .news-list-item:hover {
    background: var(--bg-card-hover);
    border-color: rgba(45,212,191,0.3);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .news-item-image {
    width: 160px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
  }

  .news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
  }

  .news-list-item:hover .news-item-image img {
    transform: scale(1.05);
  }

  .news-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
  }

  .news-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-primary);
    transition: var(--transition);
  }

  .news-item-title:hover { color: var(--primary); }

  .news-item-summary {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
  }

  .news-item-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.8rem;
    color: var(--text-muted);
  }

  .news-item-tag {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 999px;
    background: rgba(212,168,92,0.12);
    border: 1px solid rgba(212,168,92,0.25);
    color: var(--accent);
    font-size: 0.78rem;
    transition: var(--transition);
  }

  .news-item-tag:hover {
    background: rgba(212,168,92,0.2);
    border-color: var(--accent);
  }

  /* 边栏 */
  .sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }

  .widget {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 28px;
    backdrop-filter: blur(12px);
  }

  .widget-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .widget-title i {
    color: var(--primary);
    font-size: 0.9rem;
  }

  .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .tag-cloud a {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition);
  }

  .tag-cloud a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(212,168,92,0.08);
    transform: translateY(-1px);
  }

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

  .recommend-item {
    display: flex;
    gap: 12px;
    align-items: center;
  }

  .recommend-thumb {
    width: 64px;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
  }

  .recommend-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

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

  .recommend-info a {
    font-size: 0.88rem;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
  }

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

  .recommend-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
  }

  .sidebar-banner {
    padding: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    min-height: 240px;
    background: linear-gradient(135deg, rgba(45,212,191,0.9), rgba(14,165,164,0.95)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px 24px;
  }

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

  .sidebar-banner-content h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 8px;
    font-weight: 700;
  }

  .sidebar-banner-content p {
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    margin-bottom: 16px;
  }

  .sidebar-banner-btn {
    display: inline-block;
    background: #fff;
    color: var(--primary-dark);
    padding: 8px 24px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
  }

  .sidebar-banner-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,255,255,0.3);
    color: var(--primary-dark);
  }

  /* ====== 卖点区 ====== */
  .values-section {
    padding: 90px 0;
    background: var(--bg-deep);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
  }

  .values-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45,212,191,0.4), transparent);
  }

  .values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .value-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .value-item:hover {
    transform: translateY(-4px);
    border-color: rgba(45,212,191,0.3);
    box-shadow: var(--shadow-hover);
  }

  .value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 0 0 4px 0;
  }

  .value-item:hover::before {
    height: 100%;
  }

  .value-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 20px;
    background: rgba(45,212,191,0.10);
    border: 1px solid rgba(45,212,191,0.20);
    color: var(--primary);
    transition: var(--transition);
  }

  .value-item:hover .value-icon {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 24px var(--glow-primary);
  }

  .value-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
  }

  .value-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* ====== 场景区 ====== */
  .scenes-section {
    padding: 90px 0;
  }

  .scenes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .scene-item {
    position: relative;
    padding: 32px 28px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: var(--transition);
    overflow: hidden;
  }

  .scene-item:hover {
    border-color: rgba(212,168,92,0.3);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }

  .scene-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 2.4rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255,255,255,0.1);
    font-family: "Inter", "DIN Alternate", sans-serif;
  }

  .scene-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    background: rgba(212,168,92,0.10);
    border: 1px solid rgba(212,168,92,0.20);
    color: var(--accent);
    margin-bottom: 18px;
    transition: var(--transition);
  }

  .scene-item:hover .scene-icon {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px var(--glow-accent);
  }

  .scene-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
  }

  .scene-item p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* ====== 流程区 ====== */
  .steps-section {
    padding: 90px 0;
    background: linear-gradient(140deg, rgba(11,20,31,0.5), rgba(14,28,46,0.7)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    position: relative;
  }

  .steps-title {
    text-align: center;
    margin-bottom: 60px;
  }

  .steps-title .section-title {
    display: inline-block;
    padding-left: 0;
    padding-bottom: 16px;
  }

  .steps-title .section-title::before {
    display: none;
  }

  .steps-title .section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 64px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
    box-shadow: 0 0 12px var(--glow-primary);
  }

  .steps-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    position: relative;
  }

  .steps-row::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 16.67%;
    right: 16.67%;
    height: 2px;
    background: repeating-linear-gradient(90deg, rgba(45,212,191,0.3) 0 8px, transparent 8px 16px);
  }

  .step-item {
    text-align: center;
    position: relative;
    z-index: 2;
  }

  .step-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background: var(--bg-deep);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    font-family: "Inter", "DIN Alternate", sans-serif;
    box-shadow: 0 0 24px rgba(45,212,191,0.25);
    transition: var(--transition);
    line-height: 1;
  }

  .step-item:hover .step-circle {
    transform: scale(1.05);
    box-shadow: 0 0 32px var(--glow-primary);
    background: rgba(45,212,191,0.15);
  }

  .step-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
  }

  .step-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 220px;
    margin: 0 auto;
    line-height: 1.6;
  }

  .steps-note {
    margin-top: 60px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 30px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    backdrop-filter: blur(12px);
  }

  .steps-note p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    flex: 1;
    min-width: 240px;
  }

  .steps-note .btn-primary {
    flex-shrink: 0;
  }

  /* ====== FAQ ====== */
  .faq-section {
    padding: 90px 0;
  }

  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: rgba(45,212,191,0.25);
  }

  .faq-item.active {
    border-color: rgba(45,212,191,0.35);
  }

  .faq-q {
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    gap: 16px;
  }

  .faq-q-content {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    line-height: 1.5;
  }

  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
  }

  .faq-item.active .faq-icon {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 16px var(--glow-primary);
  }

  .faq-a {
    display: none;
    padding: 0 24px 20px;
    border-top: 1px solid var(--border-light);
    padding-top: 16px;
    position: relative;
  }

  .faq-a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 1px;
    background: linear-gradient(90deg, var(--primary), transparent);
    border-radius: 1px;
  }

  .faq-a p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
  }

  .faq-item.active .faq-a {
    display: block;
    animation: slideDown 0.35s ease forwards;
  }

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

  .faq-more {
    text-align: center;
    margin-top: 28px;
  }

  .faq-more a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 10px 24px;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    transition: var(--transition);
  }

  .faq-more a:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(45,212,191,0.06);
  }

  .faq-more a i {
    transition: var(--transition);
  }

  .faq-more a:hover i {
    transform: translateX(4px);
  }

  /* ====== CTA ====== */
  .cta-section {
    padding: 0 0 90px;
  }

  .cta-panel {
    background: var(--bg-deep);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-glass);
  }

  .cta-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
  }

  .cta-panel::after {
    content: '';
    position: absolute;
    top: -100px;
    left: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45,212,191,0.1), transparent 70%);
    pointer-events: none;
  }

  .cta-panel h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
  }

  .cta-panel > p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 460px;
    margin: 0 auto 36px;
    line-height: 1.7;
    position: relative;
    z-index: 2;
  }

  .cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
    margin-bottom: 36px;
  }

  .cta-contact {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
    position: relative;
    z-index: 2;
  }

  .cta-contact span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  .cta-contact i {
    color: var(--primary);
    font-size: 0.9rem;
  }

  /* ====== Footer ====== */
  .site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-light);
    padding-top: 64px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
  }

  .footer-brand .brand {
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 300px;
    margin-bottom: 20px;
  }

  .footer-social {
    display: flex;
    gap: 12px;
  }

  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
  }

  .footer-social a:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(45,212,191,0.08);
    transform: translateY(-2px);
  }

  .footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
  }

  .footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-col ul li a {
    color: var(--text-secondary);
    font-size: 0.88rem;
    transition: var(--transition);
  }

  .footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
  }

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.88rem;
  }

  .footer-contact i {
    color: var(--primary);
    font-size: 0.85rem;
  }

  .footer-bottom {
    border-top: 1px solid var(--border-light);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-muted);
  }

  .footer-legal {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .footer-legal a {
    color: var(--text-muted);
    transition: var(--transition);
  }

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

  /* ====== 回到顶部 ====== */
  .to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 99;
    font-size: 0.9rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
  }

  .to-top.show {
    opacity: 1;
    visibility: visible;
  }

  .to-top:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 18px rgba(45,212,191,0.25);
    transform: translateY(-2px);
  }

  .to-top:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  /* ====== 响应式 ====== */
  @media (max-width: 1023px) {
    .nav-links { display: none; }
    .nav-actions .search-wrap { display: none; }
    .nav-toggle { display: flex; }

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

    .values-grid {
      grid-template-columns: 1fr;
      max-width: 560px;
      margin: 0 auto;
    }

    .scenes-grid {
      grid-template-columns: 1fr;
      max-width: 560px;
      margin: 0 auto;
    }

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

    .steps-row::before { display: none; }

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

  @media (max-width: 767px) {
    .main-nav { height: 60px; }

    .brand-name { font-size: 0.95rem; }
    .brand-icon { width: 32px; height: 32px; font-size: 15px; }

    .nav-cta {
      padding: 8px 16px;
      font-size: 0.82rem;
    }

    .nav-login { display: none; }

    .page-hero {
      padding: 120px 0 60px;
    }

    .page-hero h1 {
      font-size: clamp(1.8rem, 6vw, 2.6rem);
    }

    .page-hero-desc {
      font-size: 0.95rem;
    }

    .hero-data {
      gap: 16px;
    }

    .hero-data-divider {
      display: none;
    }

    .content-section {
      padding: 64px 0;
    }

    .news-list-item {
      flex-direction: column;
      padding: 16px;
    }

    .news-item-image {
      width: 100%;
      height: 180px;
    }

    .section-title {
      font-size: clamp(1.5rem, 4vw, 1.9rem);
      padding-left: 18px;
    }

    .values-section, .scenes-section, .steps-section, .faq-section {
      padding: 64px 0;
    }

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

    .cta-contact {
      flex-direction: column;
      gap: 14px;
    }

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

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

    .to-top {
      bottom: 16px;
      right: 16px;
    }
  }

  @media (max-width: 520px) {
    .hero-btns {
      flex-direction: column;
    }

    .hero-btns .btn-primary,
    .hero-btns .btn-secondary {
      width: 100%;
      justify-content: center;
    }

    .steps-note {
      flex-direction: column;
      padding: 24px;
      text-align: center;
    }

    .cta-btns {
      flex-direction: column;
    }

    .cta-btns .btn-primary,
    .cta-btns .btn-secondary {
      width: 100%;
      justify-content: center;
    }

    .widget {
      padding: 20px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }

    .page-hero::before,
    .page-hero::after {
      animation: none;
    }
  }

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --bg-primary: #0B141F;
  --bg-secondary: #0E1C2E;
  --bg-deep: #081019;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
  --glass-hover-border: rgba(45,212,191,0.30);
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent: #2DD4BF;
  --accent-2: #0EA5A4;
  --accent-glow: rgba(45,212,191,0.35);
  --gold: #D4A85C;
  --gold-glow: rgba(212,168,92,0.30);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.30);
  --shadow-hover: 0 12px 40px rgba(45,212,191,0.12), 0 8px 30px rgba(0,0,0,0.40);
  --transition: all 0.3s ease;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "DIN Alternate", "PingFang SC", sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: linear-gradient(140deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.75;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #7DE5D4; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== 玻璃卡片通用 ========== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 0 4px 4px 0;
  transition: var(--transition);
  opacity: 0;
}
.glass-card:hover {
  border-color: var(--glass-hover-border);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.glass-card:hover::before {
  width: 40px;
  opacity: 1;
}

/* ========== 按钮 ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-xs);
  height: 46px;
  padding: 0 28px;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 0 20px var(--accent-glow);
  transition: var(--transition);
  cursor: pointer;
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  color: #FFFFFF;
  filter: brightness(1.1);
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(1px) scale(0.98); }
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.text-link:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 2px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--accent);
  border-radius: var(--radius-xs);
  height: 46px;
  padding: 0 28px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 18px rgba(45,212,191,0.20);
  transform: translateY(-1px);
}
.btn-sm { height: 40px; padding: 0 20px; font-size: 0.85rem; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 4px 0;
}
.text-link i { transition: transform 0.3s ease; }
.text-link:hover i { transform: translateX(4px); }

/* ========== 顶部导航 ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 70px;
  transition: all 0.4s ease;
  background: transparent;
}
.site-header.scrolled {
  height: 56px;
  background: rgba(11,20,31,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.30);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(45,212,191,0.25), rgba(45,212,191,0.05));
  border: 1px solid rgba(45,212,191,0.40);
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px rgba(45,212,191,0.25);
}
.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: var(--transition);
}
.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}
.main-nav a.active {
  color: var(--accent);
  font-weight: 600;
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  width: 180px;
}
.search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  pointer-events: none;
}
.search-box input {
  width: 100%;
  height: 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 0 12px 0 34px;
  color: var(--text-primary);
  font-size: 0.8rem;
  transition: var(--transition);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 16px rgba(45,212,191,0.15);
}
.login-link {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}
.login-link:hover { color: var(--accent); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 10px;
  border-radius: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 99;
  height: 100vh;
  background: rgba(8,16,25,0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a {
  color: var(--text-primary);
  font-size: 1.4rem;
  font-weight: 600;
  padding: 14px 0;
  opacity: 0.7;
  transition: var(--transition);
}
.mobile-menu a:hover,
.mobile-menu a.active { color: var(--accent); opacity: 1; }
.mobile-menu-actions {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ========== 面包屑 ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--text-muted);
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 0.6rem; color: var(--text-muted); opacity: 0.6; }
.breadcrumb span { color: var(--text-secondary); max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ========== 文章头部区 ========== */
.article-hero {
  padding: 140px 0 40px;
  background: linear-gradient(180deg, rgba(11,20,31,0.4) 0%, rgba(11,20,31,0) 100%);
  position: relative;
}
.article-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 300px;
  background: radial-gradient(ellipse 60% 80% at 70% 0%, rgba(45,212,191,0.10), transparent),
              radial-gradient(ellipse 40% 60% at 30% 10%, rgba(212,168,92,0.06), transparent);
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 1; }
.article-h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 18px;
  max-width: 900px;
}
.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.article-meta-row i { color: var(--accent); opacity: 0.7; margin-right: 6px; }
.meta-dot { color: var(--text-muted); opacity: 0.5; }

/* ========== 正文区 ========== */
.article-main {
  padding: 48px 0 32px;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px);
}
.article-content > *:first-child { margin-top: 0; }
.article-content p {
  line-height: 1.9;
  margin-bottom: 1.5em;
  color: var(--text-primary);
  font-size: 0.98rem;
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 1.8em 0 0.6em;
  color: var(--text-primary);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  border-left: 4px solid var(--accent);
  padding-left: 14px;
  margin: 2em 0 0.8em;
  color: var(--text-primary);
  line-height: 1.4;
}
.article-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5em 0 0.5em;
  color: var(--text-primary);
}
.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.article-content a:hover { color: #7DE5D4; text-decoration-thickness: 2px; }
.article-content img {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.08);
  margin: 1.8em auto;
  box-shadow: var(--shadow-card);
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(255,255,255,0.04);
  padding: 16px 20px;
  margin: 1.8em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: normal;
  line-height: 1.8;
}
.article-content blockquote p { margin-bottom: 0; color: var(--text-secondary); }
.article-content ul,
.article-content ol {
  margin: 1.2em 0 1.5em;
  padding-left: 1.4em;
  color: var(--text-primary);
}
.article-content li {
  line-height: 1.9;
  margin-bottom: 0.4em;
}
.article-content ul li::marker { color: var(--accent); }
.article-content ol li::marker { color: var(--gold); font-weight: 600; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  font-size: 0.9rem;
}
.article-content th {
  background: rgba(45,212,191,0.08);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 12px;
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
}
.article-content td {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 12px;
  color: var(--text-secondary);
}
.article-content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  margin: 2.5em 0;
}

/* ========== 内容未找到 ========== */
.not-found {
  text-align: center;
  padding: 48px 20px;
}
.not-found i {
  font-size: 3rem;
  color: var(--text-muted);
  opacity: 0.6;
  margin-bottom: 20px;
}
.not-found h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

/* ========== 上一篇/下一篇 ========== */
.prevnext-section {
  padding: 20px 0 56px;
}
.prevnext-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.pn-card {
  display: flex;
  flex-direction: column;
  padding: 24px 28px;
  min-height: 100px;
  justify-content: center;
  text-decoration: none;
}
.pn-card:hover { text-decoration: none; }
.pn-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.pn-card.disabled:hover {
  border-color: var(--glass-border);
  box-shadow: var(--shadow-card);
  transform: none;
}
.pn-card.disabled:hover::before { opacity: 0; }
.pn-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}
.pn-card.disabled .pn-label { color: var(--text-muted); }
.pn-title {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== 相关推荐 ========== */
.related-section {
  padding: 40px 0 72px;
  background: linear-gradient(180deg, transparent, rgba(14,28,46,0.5) 30%, rgba(14,28,46,0.5) 70%, transparent);
}
.related-section .section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.related-section .section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  padding-left: 18px;
}
.related-section .section-head h2::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.related-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}
.related-grid .columns {
  padding: 0 12px;
  margin-bottom: 24px;
}
.related-card {
  display: block;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.related-card:hover {
  border-color: var(--glass-hover-border);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  text-decoration: none;
}
.related-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-deep);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-body {
  padding: 18px 20px;
}
.related-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.9em;
}
.related-body .related-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-body .related-date i { color: var(--accent); opacity: 0.6; }

/* ========== CTA 区块 ========== */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(180deg, transparent, rgba(14,28,46,0.6));
}
.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(32px, 5vw, 56px) clamp(20px, 4vw, 48px);
  background: linear-gradient(135deg, rgba(45,212,191,0.10), rgba(14,28,46,0.6)), rgba(255,255,255,0.04);
  border: 1px solid rgba(45,212,191,0.15);
}
.cta-inner h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .brand {
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(45,212,191,0.15);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: var(--transition);
}
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li {
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--accent);
  opacity: 0.7;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-legal {
  display: flex;
  gap: 20px;
  align-items: center;
}
.footer-legal a { color: var(--text-muted); font-size: 0.8rem; }
.footer-legal a:hover { color: var(--accent); }

/* ========== 回到顶部 ========== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  color: var(--accent);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.30);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(45,212,191,0.20);
  color: var(--accent);
  transform: translateY(-3px);
}
.back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .main-nav { display: none; }
  .header-actions .search-box { display: none; }
  .header-actions .login-link { display: none; }
  .hamburger { display: flex; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .prevnext-grid { max-width: 100%; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .brand-name { font-size: 0.95rem; }
  .site-header { height: 60px; }
  .site-header.scrolled { height: 52px; }
  .article-hero { padding: 110px 0 28px; }
  .article-h1 { font-size: 1.5rem; }
  .article-meta-row { gap: 6px 10px; font-size: 0.82rem; }
  .article-content { padding: 20px; }
  .article-content p { font-size: 0.93rem; line-height: 1.85; }
  .prevnext-grid { grid-template-columns: 1fr; gap: 14px; }
  .related-grid .columns { padding: 0 8px; }
  .cta-section { padding: 48px 0; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn-primary,
  .cta-buttons .btn-ghost { width: 100%; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; gap: 12px; }
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}
@media (max-width: 520px) {
  .article-meta-row .meta-item { flex-wrap: wrap; }
  .related-grid .columns { width: 100%; max-width: 100%; }
  .btn-primary, .btn-ghost { padding: 0 20px; height: 44px; }
}

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

/* roulang page: category2 */
/* ===== Design Tokens ===== */
:root {
  --bg-primary: #0B141F;
  --bg-secondary: #0E1C2E;
  --bg-deep: #0D1B2A;
  --brand: #2DD4BF;
  --brand-dark: #0EA5A4;
  --brand-light: #5EEAD4;
  --gold: #D4A85C;
  --gold-light: #E6C37C;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border: rgba(255,255,255,0.10);
  --border-light: rgba(255,255,255,0.16);
  --glass-bg: rgba(255,255,255,0.06);
  --glass-strong: rgba(255,255,255,0.09);
  --radius-xl: 20px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.30);
  --shadow-hover: 0 12px 40px rgba(45,212,191,0.12), 0 8px 30px rgba(0,0,0,0.40);
  --glow-brand: 0 0 20px rgba(45,212,191,0.35);
  --glow-gold: 0 0 18px rgba(212,168,92,0.30);
  --font-sans: "PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  --font-num: "Inter","DIN Alternate","PingFang SC",sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background: linear-gradient(140deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
a {
  color: var(--brand);
  text-decoration: none;
  transition: color .3s ease;
}
a:hover {
  color: var(--brand-light);
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button {
  font-family: var(--font-sans);
  cursor: pointer;
}
input {
  font-family: var(--font-sans);
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
section {
  position: relative;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--brand);
  padding: 6px 16px;
  border: 1px solid rgba(45,212,191,0.30);
  border-radius: 999px;
  background: rgba(45,212,191,0.08);
  margin-bottom: 16px;
}
.section-tag i {
  font-size: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  position: relative;
  padding-left: 24px;
  margin-bottom: 16px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 6px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
  box-shadow: 0 0 14px rgba(45,212,191,0.45);
}
.section-desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 680px;
  margin-bottom: 40px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  border: none;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #071310;
  box-shadow: var(--glow-brand);
}
.btn-primary:hover {
  color: #071310;
  filter: brightness(1.1);
  box-shadow: 0 0 28px rgba(45,212,191,0.55);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(0) scale(0.98);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand-light);
  box-shadow: 0 0 18px rgba(45,212,191,0.20);
  transform: translateY(-2px);
}
.btn-gold {
  background: transparent;
  border: 1px solid rgba(212,168,92,0.5);
  color: var(--gold);
}
.btn-gold:hover {
  background: rgba(212,168,92,0.08);
  border-color: var(--gold);
  box-shadow: var(--glow-gold);
  color: var(--gold-light);
}
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--brand);
  font-size: .95rem;
  font-weight: 600;
  padding: 4px 0;
  cursor: pointer;
  transition: all .3s ease;
}
.btn-link:hover {
  color: var(--brand-light);
  gap: 12px;
}
.btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  background: transparent;
  transition: all .4s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  height: 60px;
  background: rgba(11,20,31,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, rgba(45,212,191,0.35), rgba(11,20,31,0.5));
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 0 16px rgba(45,212,191,0.35);
}
.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-name:hover { color: var(--text-primary); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .95rem;
  font-weight: 500;
  transition: all .3s ease;
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  box-shadow: 0 0 10px rgba(45,212,191,0.6);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .3s ease;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--brand);
}
.main-nav a.active::after,
.main-nav a:hover::after {
  transform: scaleX(1);
}
.main-nav a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  width: 150px;
  height: 38px;
  padding: 0 14px 0 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-size: .875rem;
  transition: all .3s ease;
}
.search-box input::placeholder {
  color: var(--text-muted);
}
.search-box input:focus {
  width: 180px;
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 14px rgba(45,212,191,0.18);
  background: rgba(255,255,255,0.06);
}
.search-box i {
  position: absolute;
  left: 13px;
  font-size: 14px;
  color: var(--text-muted);
  pointer-events: none;
}
.header-login {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all .3s ease;
}
.header-login:hover {
  color: var(--brand);
  background: rgba(45,212,191,0.08);
}
.btn-header {
  height: 40px;
  font-size: .875rem;
  padding: 0 18px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all .3s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 480px;
  padding: 160px 0 80px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(rgba(11,20,31,0.88), rgba(11,20,31,0.72)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45,212,191,0.15), transparent 65%);
  animation: floatBlob 8s ease-in-out infinite;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -100px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,168,92,0.12), transparent 65%);
  animation: floatBlob 10s ease-in-out infinite reverse;
  pointer-events: none;
}
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}
.hero-container {
  position: relative;
  z-index: 2;
  max-width: 880px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color .3s;
}
.breadcrumb a:hover {
  color: var(--brand);
}
.breadcrumb i {
  font-size: 10px;
  color: var(--text-muted);
}
.breadcrumb .current {
  color: var(--text-secondary);
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 0%, rgba(255,255,255,0.85) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 720px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: .9rem;
  color: rgba(255,255,255,0.5);
}
.hero-meta i {
  font-size: 10px;
  color: var(--brand);
}

/* ===== Section Spacing ===== */
.section-block {
  padding: 96px 0;
}
.section-block.alt {
  background: rgba(14,28,46,0.35);
}

/* ===== Brand Story ===== */
.story-wrap {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 64px;
}
.story-media {
  position: relative;
}
.story-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}
.story-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, transparent 55%, rgba(11,20,31,0.55));
  pointer-events: none;
}
.story-media .story-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(11,20,31,0.65);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: .875rem;
}
.story-badge i {
  color: var(--brand);
}
.story-content .section-title {
  margin-bottom: 12px;
}
.story-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.story-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.story-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .95rem;
  color: var(--text-secondary);
}
.story-list li i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--brand);
  border: 1px solid rgba(45,212,191,0.3);
  background: rgba(45,212,191,0.08);
  font-size: 12px;
  flex-shrink: 0;
}

/* ===== History Timeline ===== */
.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 32px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), rgba(45,212,191,0.2));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 36px;
  padding: 28px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all .35s ease;
}
.timeline-item:hover {
  border-color: rgba(45,212,191,0.35);
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 36px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--brand);
  box-shadow: 0 0 12px rgba(45,212,191,0.5);
}
.timeline-year {
  font-family: var(--font-num);
  font-size: .875rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .04em;
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.timeline-year i {
  font-size: 12px;
  color: var(--brand);
}
.timeline-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.timeline-item p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}

/* ===== Culture Cards ===== */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.culture-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-top: 3px solid var(--brand);
  box-shadow: var(--shadow-card);
  transition: all .35s ease;
  position: relative;
  overflow: hidden;
}
.culture-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 8px;
  height: 8px;
  border-radius: 0 0 0 8px;
  background: var(--brand);
  opacity: 0;
  transition: opacity .3s;
}
.culture-card:hover::after {
  opacity: 1;
}
.culture-card:hover {
  transform: translateY(-4px);
  border-color: rgba(45,212,191,0.3);
  box-shadow: var(--shadow-hover);
}
.culture-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--brand);
  background: rgba(45,212,191,0.12);
  border: 1px solid rgba(45,212,191,0.22);
  margin-bottom: 20px;
  box-shadow: 0 0 16px rgba(45,212,191,0.15);
}
.culture-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.culture-card p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}

/* ===== Stats ===== */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 28px 12px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.stat-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(45,212,191,0.3);
  transform: translateY(-3px);
}
.stat-num {
  font-family: var(--font-num);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--brand);
  margin-bottom: 8px;
}
.stat-num.gold {
  color: var(--gold);
  text-shadow: 0 0 20px rgba(212,168,92,0.2);
}
.stat-label {
  font-size: .9rem;
  color: var(--text-secondary);
}

/* ===== Service Coverage ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: all .35s ease;
  position: relative;
}
.service-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
  background: linear-gradient(180deg, var(--brand), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}
.service-card:hover {
  border-color: rgba(45,212,191,0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}
.service-card:hover::before {
  opacity: 1;
}
.service-num {
  font-family: var(--font-num);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-num::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(212,168,92,0.3), transparent);
}
.service-card i.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  font-size: 18px;
  color: var(--brand);
  background: rgba(45,212,191,0.1);
  border: 1px solid rgba(45,212,191,0.2);
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 96px 0;
}
.faq-section .section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .35s ease;
}
.faq-item.active {
  border-color: rgba(45,212,191,0.35);
  box-shadow: 0 0 20px rgba(45,212,191,0.08);
}
.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  transition: background .3s;
}
.faq-toggle:hover {
  background: rgba(255,255,255,0.03);
}
.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--glass-strong);
  border: 1px solid var(--border);
  font-size: 1rem;
  color: var(--brand);
  transition: all .3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  background: var(--brand);
  color: #071310;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.75;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 16px;
  margin: 0 24px 0;
  border-top-width: 0;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 88px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 700px;
  height: 700px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(45,212,191,0.08), transparent 60%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.cta-contacts {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: .9rem;
  color: var(--text-secondary);
}
.cta-contacts span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cta-contacts i {
  color: var(--brand);
  width: 16px;
  text-align: center;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  padding-top: 72px;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45,212,191,0.3), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 56px;
}
.footer-brand .brand {
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.75;
  margin-top: 16px;
  max-width: 360px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 16px;
  transition: all .3s ease;
}
.footer-social a:hover {
  color: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 0 12px rgba(45,212,191,0.2);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: #fff;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: var(--text-secondary);
  font-size: .9rem;
  transition: all .3s ease;
}
.footer-col ul li a:hover {
  color: var(--brand);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: .9rem;
}
.footer-contact i {
  width: 16px;
  text-align: center;
  color: var(--brand);
  font-size: 14px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--text-muted);
}
.footer-legal {
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-legal a {
  color: var(--text-muted);
  transition: color .3s;
}
.footer-legal a:hover {
  color: var(--brand);
}

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all .4s ease;
  z-index: 90;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  border-color: var(--brand);
  box-shadow: var(--glow-brand);
}
.back-top:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ===== Focus & Reduced Motion ===== */
a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ===== Responsive ===== */
@media screen and (max-width: 1023px) {
  .container {
    padding: 0 20px;
  }
  .section-block {
    padding: 72px 0;
  }
  .faq-section {
    padding: 72px 0;
  }
  .story-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .story-media img {
    height: 320px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .main-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(11,20,31,0.96);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    z-index: 99;
    box-shadow: var(--shadow-card);
    gap: 4px;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    padding: 14px 16px;
    font-size: 1rem;
  }
  .main-nav a::after {
    display: none;
  }
  .main-nav a.active {
    background: rgba(45,212,191,0.1);
  }
  .nav-toggle {
    display: flex;
  }
  .search-box {
    display: none;
  }
  .header-login {
    display: none;
  }
  .hero {
    padding: 130px 0 60px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media screen and (max-width: 767px) {
  .brand-name {
    font-size: .95rem;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  .btn-header {
    display: none;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .culture-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .culture-card {
    padding: 24px 20px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .service-card {
    padding: 24px 20px;
  }
  .timeline {
    padding-left: 24px;
  }
  .timeline-item {
    padding: 20px;
  }
  .timeline-item::before {
    left: -22px;
  }
  .stats-grid {
    gap: 12px;
  }
  .stat-num {
    font-size: 2rem;
  }
  .stat-label {
    font-size: .8rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .cta-contacts {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .faq-toggle {
    font-size: .95rem;
    padding: 16px;
  }
  .faq-answer-inner {
    margin: 0 16px;
    padding: 0 16px 16px;
    font-size: .875rem;
  }
}

/* roulang page: category3 */
:root{
  --bg-deep:#0B141F;--bg-panel:#0E1C2E;--bg-card:rgba(255,255,255,0.06);
  --border-glass:rgba(255,255,255,0.10);--brand:#2DD4BF;--brand-dark:#0EA5A4;
  --gold:#D4A85C;--text-main:#E2E8F0;--text-secondary:#94A3B8;--text-muted:#64748B;
  --radius-lg:20px;--radius-md:16px;--radius-sm:8px;
  --shadow-card:0 8px 30px rgba(0,0,0,0.30);
  --shadow-hover:0 12px 40px rgba(45,212,191,0.12),0 8px 30px rgba(0,0,0,0.40);
  --glow-brand:0 0 20px rgba(45,212,191,0.35);--glow-gold:0 0 18px rgba(212,168,92,0.30);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","DIN Alternate","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",sans-serif;background:linear-gradient(140deg,#0B141F,#0D1B2A);color:#E2E8F0;line-height:1.75;-webkit-font-smoothing:antialiased;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:#2DD4BF;text-decoration:none;transition:all .3s ease}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-label{display:inline-flex;align-items:center;gap:10px;font-size:.85rem;font-weight:600;color:#2DD4BF;letter-spacing:.06em;margin-bottom:14px;text-transform:none}
.section-label::before{content:'';width:24px;height:2px;border-radius:2px;background:#2DD4BF;box-shadow:0 0 8px rgba(45,212,191,.5)}
.section-title{font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:700;color:#fff;letter-spacing:-.01em;margin-bottom:14px;line-height:1.3}
.section-desc{color:#94A3B8;max-width:660px;margin-bottom:48px;font-size:1rem;line-height:1.8}
.text-center .section-title,.text-center .section-desc{margin-left:auto;margin-right:auto}
.text-center .section-label::before{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:8px;font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:all .3s ease;white-space:nowrap;text-decoration:none}
.btn:focus-visible{outline:2px solid #fff;outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,#2DD4BF,#0EA5A4);color:#fff;box-shadow:0 0 20px rgba(45,212,191,.35)}
.btn-primary:hover{filter:brightness(1.1);box-shadow:0 0 30px rgba(45,212,191,.5);transform:translateY(-2px);color:#fff}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-secondary{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);color:#D4A85C}
.btn-secondary:hover{border-color:#D4A85C;box-shadow:var(--glow-gold);transform:translateY(-2px);color:#D4A85C}
.btn-sm{height:38px;padding:0 16px;font-size:.85rem;border-radius:8px}
.btn-text{background:none;border:none;color:#2DD4BF;font-weight:600;font-size:.95rem;cursor:pointer;padding:0;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn-text i{transition:transform .3s}
.btn-text:hover i{transform:translateX(4px)}
/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:70px;background:linear-gradient(to bottom,rgba(11,20,31,.88),rgba(11,20,31,.65));backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.08);transition:height .3s,background .3s}
.site-header.scrolled{height:56px;background:rgba(11,20,31,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;min-width:0}
.brand-icon{width:34px;height:34px;min-width:34px;border-radius:10px;background:linear-gradient(135deg,rgba(45,212,191,.3),rgba(45,212,191,.05));border:1px solid rgba(45,212,191,.4);display:flex;align-items:center;justify-content:center;font-weight:800;color:#2DD4BF;font-size:1rem;box-shadow:0 0 14px rgba(45,212,191,.22)}
.brand-name{font-weight:700;font-size:1.02rem;letter-spacing:-.01em;white-space:nowrap;color:#fff}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav a{display:inline-flex;align-items:center;padding:10px 14px;border-radius:8px;color:#94A3B8;font-size:.92rem;font-weight:500;position:relative;text-decoration:none;transition:all .3s}
.main-nav a:hover{color:#E2E8F0;background:rgba(255,255,255,.04)}
.main-nav a.active{color:#2DD4BF;background:rgba(45,212,191,.08)}
.main-nav a.active::after{content:'';position:absolute;left:50%;transform:translateX(-50%);bottom:3px;width:20px;height:3px;border-radius:3px;background:#2DD4BF;box-shadow:0 0 10px rgba(45,212,191,.5)}
.header-actions{display:flex;align-items:center;gap:10px}
.search-box{position:relative}
.search-box input{width:170px;height:38px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#E2E8F0;padding:0 36px 0 14px;font-size:.85rem;transition:all .3s;outline:none}
.search-box input::placeholder{color:#64748B}
.search-box input:focus{border-color:#2DD4BF;box-shadow:0 0 0 3px rgba(45,212,191,.12);width:200px}
.search-box i{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:#64748B;font-size:.8rem;pointer-events:none}
.btn-login{background:none;border:none;color:#94A3B8;font-size:.9rem;padding:8px 10px;cursor:pointer;border-radius:8px;text-decoration:none}
.btn-login:hover{color:#E2E8F0}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;cursor:pointer;padding:10px;transition:background .3s}
.nav-toggle span{display:block;height:2px;width:100%;background:#E2E8F0;border-radius:2px;transition:all .3s}
.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)}
/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(11,20,31,.92),rgba(11,20,31,.6) 45%,rgba(13,27,42,.85))}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,transparent 55%,#0D1B2A 100%)}
.hero .blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.4;z-index:1;pointer-events:none;animation:float 8s ease-in-out infinite}
.hero .blob-1{width:220px;height:220px;background:rgba(45,212,191,.4);top:22%;left:14%}
.hero .blob-2{width:130px;height:130px;background:rgba(212,168,92,.35);bottom:18%;right:18%;animation-delay:2s}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.05)}}
.hero-content{position:relative;z-index:2;max-width:880px;padding:130px 0 80px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:#2DD4BF;font-size:.85rem;font-weight:500;letter-spacing:.02em;backdrop-filter:blur(8px);margin-bottom:24px}
.hero h1{font-size:clamp(2.8rem,6vw,4.6rem);font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em;margin-bottom:20px;background:linear-gradient(120deg,#fff,rgba(255,255,255,.78));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:1.12rem;line-height:1.85;color:#94A3B8;max-width:660px;margin-bottom:36px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;align-items:center;gap:8px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px;flex-wrap:wrap}
.hero-stats span{font-size:.9rem;color:rgba(255,255,255,.78)}
.hero-stats .dot{margin:0 16px;color:rgba(255,255,255,.35)}
/* Service Cards */
.services-section{background:rgba(255,255,255,.015)}
.services-summary{display:flex;align-items:flex-start;gap:48px;margin-bottom:56px}
.services-summary .section-desc{margin-bottom:0}
.service-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:34px 28px 30px;position:relative;overflow:hidden;transition:transform .4s,box-shadow .4s,border-color .4s;height:100%}
.service-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:44px;background:#2DD4BF;border-radius:0 4px 4px 0;transition:height .4s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(45,212,191,.28)}
.service-card:hover::before{height:90px}
.service-num{position:absolute;top:22px;right:26px;font-family:"Inter","DIN Alternate",sans-serif;font-size:1.7rem;font-weight:800;color:rgba(255,255,255,.08);letter-spacing:.02em}
.service-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;background:linear-gradient(135deg,rgba(45,212,191,.2),rgba(45,212,191,.05));border:1px solid rgba(45,212,191,.25);color:#2DD4BF;margin-bottom:20px}
.service-card h3{font-size:1.2rem;color:#fff;font-weight:600;margin-bottom:10px}
.service-card p{font-size:.93rem;color:#94A3B8;line-height:1.75;margin-bottom:0}
.service-link{display:inline-flex;align-items:center;gap:6px;color:#2DD4BF;font-size:.88rem;font-weight:600;margin-top:16px}
.service-link i{transition:transform .3s}
.service-link:hover i{transform:translateX(4px)}
/* Stats */
.stats-section{background:var(--bg-panel);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:12px 0;position:relative}
.stat-item+.stat-item::before{content:'';position:absolute;left:-12px;top:15%;height:70%;width:1px;background:rgba(255,255,255,.1)}
.stat-number{font-family:"Inter","DIN Alternate",sans-serif;font-size:2.5rem;font-weight:800;color:#fff;line-height:1.15;margin-bottom:6px}
.stat-number.gold{color:#D4A85C}
.stat-label{font-size:.88rem;color:#94A3B8}
/* Scenarios */
.scenario-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:72px}
.scenario-row:last-child{margin-bottom:0}
.scenario-media{border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.1);box-shadow:0 10px 36px rgba(0,0,0,.35);position:relative}
.scenario-media::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,transparent 55%,rgba(11,20,31,.4));pointer-events:none}
.scenario-media img{width:100%;height:320px;object-fit:cover;transition:transform .5s}
.scenario-row:hover .scenario-media img{transform:scale(1.04)}
.scenario-tag{display:inline-block;font-size:.82rem;font-weight:600;color:#D4A85C;background:rgba(212,168,92,.1);border:1px solid rgba(212,168,92,.22);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.scenario-content h3{font-size:1.55rem;color:#fff;margin-bottom:14px;line-height:1.4}
.scenario-content p{color:#94A3B8;line-height:1.85;font-size:1rem}
/* Process */
.process-section{position:relative;background:rgba(255,255,255,.015)}
.process-steps{display:flex;justify-content:center;gap:48px;position:relative;margin-bottom:56px;flex-wrap:wrap}
.process-steps::before{content:'';position:absolute;top:34px;left:12%;right:12%;height:2px;border-top:2px dashed rgba(255,255,255,.15)}
.process-step{display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;z-index:2;width:200px}
.step-circle{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;background:rgba(255,255,255,.06);border:2px solid rgba(45,212,191,.5);color:#2DD4BF;box-shadow:0 0 20px rgba(45,212,191,.22);margin-bottom:16px;position:relative}
.step-num{position:absolute;top:-6px;right:-6px;width:24px;height:24px;border-radius:50%;background:#D4A85C;color:#0B141F;font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;font-family:"Inter",sans-serif}
.process-step h3{color:#fff;font-size:1.08rem;margin-bottom:8px}
.process-step p{color:#94A3B8;font-size:.9rem;line-height:1.65}
.process-panel{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:40px 48px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.process-panel p{color:#94A3B8;max-width:640px;margin:0 auto;font-size:1rem;line-height:1.8}
.process-panel .btn{margin-top:14px}
/* FAQ */
.faq-section{background:rgba(255,255,255,.015)}
.faq-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px;flex-wrap:wrap;gap:16px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.open{border-color:rgba(45,212,191,.28);box-shadow:0 4px 24px rgba(45,212,191,.07)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;cursor:pointer;background:none;border:none;width:100%;color:#fff;font-size:1.03rem;font-weight:500;text-align:left;transition:background .3s}
.faq-question:hover{background:rgba(255,255,255,.03)}
.faq-question:focus-visible{outline:2px solid #2DD4BF;outline-offset:-2px;border-radius:16px}
.faq-icon{width:28px;height:28px;min-width:28px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:.9rem;color:#2DD4BF;transition:all .3s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(45,212,191,.18);border-color:rgba(45,212,191,.35)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer p{padding:0 24px 22px;color:#94A3B8;line-height:1.85;border-top:1px solid rgba(255,255,255,.07);padding-top:16px;margin:0;font-size:.95rem}
/* CTA */
.cta-section{background:var(--bg-panel);border-top:1px solid rgba(255,255,255,.06)}
.cta-inner{text-align:center}
.cta-title{font-size:clamp(1.8rem,3.2vw,2.4rem);color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:-.01em}
.cta-desc{color:#94A3B8;max-width:560px;margin:0 auto 34px;font-size:1.05rem;line-height:1.8}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.cta-contact{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;font-size:.95rem;color:#94A3B8;border-top:1px solid rgba(255,255,255,.08);padding-top:32px}
.cta-contact span{display:inline-flex;align-items:center;gap:8px}
.cta-contact i{color:#2DD4BF}
/* Footer */
.site-footer{background:#0B141F;border-top:1px solid rgba(255,255,255,.07);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1.1fr;gap:48px;margin-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:#94A3B8;font-size:.92rem;line-height:1.75;margin-bottom:20px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#94A3B8;font-size:1rem;transition:all .3s}
.footer-social a:hover{color:#2DD4BF;border-color:rgba(45,212,191,.4);box-shadow:0 0 14px rgba(45,212,191,.15)}
.footer-col h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:#94A3B8;font-size:.9rem;transition:all .3s;text-decoration:none}
.footer-col ul a:hover{color:#2DD4BF;padding-left:4px}
.footer-contact li{color:#94A3B8;font-size:.9rem;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-contact i{color:#2DD4BF;width:16px;text-align:center}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(255,255,255,.07);padding-top:24px;font-size:.8rem;color:#64748B}
.footer-legal{display:flex;gap:20px;align-items:center}
.footer-legal a{color:#64748B;text-decoration:none;transition:color .3s}
.footer-legal a:hover{color:#2DD4BF}
/* Tablets */
@media(max-width:1023px){
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .header-actions .search-box{display:none}
  .scenario-row{grid-template-columns:1fr;gap:32px}
  .scenario-media img{height:260px}
  .process-steps::before{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 16px}
  .stat-item+.stat-item::before{display:none}
}
@media(max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{gap:10px}
  .header-actions{display:none}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:70px;left:0;right:0;flex-direction:column;align-items:center;background:rgba(11,20,31,.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:32px 24px;gap:4px;border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(-16px);opacity:0;pointer-events:none;transition:all .3s ease;z-index:99;box-shadow:0 24px 40px rgba(0,0,0,.4)}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{font-size:1.05rem;width:100%;max-width:320px;justify-content:center;padding:14px}
  .main-nav a.active::after{bottom:6px}
  .hero{min-height:auto}
  .hero-content{padding:120px 0 64px}
  .hero h1{font-size:clamp(2.2rem,8vw,3.2rem)}
  .hero-desc{font-size:1rem}
  .hero-btns .btn{width:100%}
  .hero-stats{justify-content:center;gap:4px 12px}
  .hero-stats .dot{margin:0 6px}
  .service-card{padding:28px 20px}
  .scenario-media img{height:210px}
  .scenario-content h3{font-size:1.3rem}
  .process-panel{padding:28px 20px}
  .cta-contact{flex-direction:column;gap:14px;align-items:center}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .brand-name{font-size:.92rem}
  .brand-icon{width:30px;height:30px;font-size:.9rem}
  .stats-grid{gap:24px 12px}
  .stat-number{font-size:2rem}
  .process-step{width:100%;max-width:220px}
  .process-steps{gap:36px}
  .search-box{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}