/* roulang page: index */
:root {
  --bg-deep: #080D18;
  --bg-panel: #0F172A;
  --bg-soft: #0B1220;
  --blue-tech: #2F6EF5;
  --cyan-energy: #22E0A8;
  --amber-event: #F5B842;
  --text-primary: #F4F8FF;
  --text-secondary: #9AA8C0;
  --text-muted: #66748C;
  --glass-bg: rgba(255,255,255,0.045);
  --glass-border: 1px solid rgba(255,255,255,0.08);
  --glass-top: 1px solid rgba(255,255,255,0.2);
  --divider: 1px solid rgba(255,255,255,0.06);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --shadow-card: 0 20px 40px -24px rgba(0,0,0,0.8);
  --shadow-glow: 0 0 0 1px rgba(34,224,168,0.35), 0 20px 60px -30px rgba(34,224,168,0.35);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: all 0.25s var(--ease); }
a:hover { color: var(--cyan-energy); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
section[id] { scroll-margin-top: 88px; }
.container { max-width: 1200px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  line-height: 1;
  border: 0;
  transition: all 0.25s var(--ease);
}
.btn:focus-visible {
  outline: 2px solid var(--cyan-energy);
  outline-offset: 3px;
}
.btn-primary-lg {
  padding: 15px 32px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  box-shadow: 0 0 20px rgba(34,224,168,0.3);
  animation: breath 2.6s ease-in-out infinite;
}
.btn-primary-lg:hover {
  color: #fff;
  filter: brightness(1.08);
  box-shadow: 0 0 36px rgba(34,224,168,0.5);
  transform: translateY(-2px);
}
.btn-primary-lg:active { transform: scale(0.97); }
.btn-ghost {
  padding: 15px 28px;
  font-size: 15px;
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-ghost:hover {
  color: var(--cyan-energy);
  border-color: rgba(34,224,168,0.5);
  background: rgba(34,224,168,0.06);
}
.btn-glow {
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  border-radius: var(--radius-btn);
  box-shadow: 0 0 14px rgba(34,224,168,0.25);
}
.btn-glow:hover {
  color: #fff;
  filter: brightness(1.08);
  box-shadow: 0 0 24px rgba(34,224,168,0.4);
  transform: translateY(-1px);
}
.btn-glow:active { transform: scale(0.97); }
@keyframes breath {
  0%, 100% { box-shadow: 0 0 16px rgba(34,224,168,0.25); }
  50% { box-shadow: 0 0 36px rgba(34,224,168,0.55); }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(8,13,24,0.78);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 0 18px rgba(34,224,168,0.4);
}
.brand-text {
  position: relative;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}
.brand-tag {
  position: absolute;
  top: -10px;
  right: -30px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--amber-event);
  background: rgba(245,184,66,0.1);
  border: 1px solid rgba(245,184,66,0.35);
  border-radius: 999px;
  padding: 1px 7px;
  white-space: nowrap;
}
.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}
.main-nav a:hover { color: var(--cyan-energy); }
.main-nav li.active a { color: var(--text-primary); }
.main-nav li.active a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-tech), var(--cyan-energy));
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--cyan-energy);
  background: rgba(34,224,168,0.07);
  border: 1px solid rgba(34,224,168,0.22);
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-energy);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,224,168,0.55); }
  70% { box-shadow: 0 0 0 9px rgba(34,224,168,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,224,168,0); }
}
.countdown-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--amber-event);
  border: 1px solid rgba(245,184,66,0.3);
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.countdown-pill i { font-size: 11px; opacity: 0.8; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-size: 17px;
}

.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(8,13,24,0.97);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 18px 24px 24px;
  display: none;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; }
.mobile-nav a {
  display: block;
  padding: 13px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mobile-nav a:hover { color: var(--cyan-energy); }
.mobile-nav li.active a { color: var(--text-primary); }
.mobile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 130px 0 90px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8,13,24,0.95) 0%, rgba(8,13,24,0.75) 45%, rgba(8,13,24,0.4) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,13,24,0.1) 0%, rgba(8,13,24,0.55) 60%, var(--bg-deep) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-energy);
  background: rgba(34,224,168,0.08);
  border: 1px solid rgba(34,224,168,0.25);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}
.hero-badge i { font-size: 12px; }
.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  color: var(--cyan-energy);
  text-shadow: 0 0 28px rgba(34,224,168,0.45);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 34px;
  max-width: 520px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-quick {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-top: var(--glass-top);
  border-radius: var(--radius-card);
  padding: 24px;
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  backdrop-filter: blur(14px) saturate(130%);
  box-shadow: var(--shadow-card);
}
.hero-quick h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.hero-quick h3 i { color: var(--cyan-energy); font-size: 14px; }
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.quick-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.25s var(--ease);
}
.quick-item:hover {
  border-color: rgba(34,224,168,0.4);
  background: rgba(34,224,168,0.07);
  transform: translateY(-2px);
}
.quick-item i {
  width: 20px;
  text-align: center;
  color: var(--cyan-energy);
  font-size: 16px;
}
.quick-item span { font-size: 13px; font-weight: 600; }

.section { padding: 96px 0; }
.section-alt { background: var(--bg-panel); }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--cyan-energy);
  background: rgba(34,224,168,0.08);
  border: 1px solid rgba(34,224,168,0.25);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 2rem;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.sport-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-top: var(--glass-top);
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease);
}
.sport-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.sport-card__cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
}
.sport-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--ease);
}
.sport-card:hover .sport-card__cover img { transform: scale(1.05); }
.sport-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 22px;
}
.sport-card__tag {
  align-self: flex-start;
  display: inline-flex;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber-event);
  background: rgba(245,184,66,0.08);
  border: 1px solid rgba(245,184,66,0.3);
  padding: 3px 11px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.sport-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}
.sport-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-energy);
}
.card-link i { transition: transform 0.25s var(--ease); }
.sport-card:hover .card-link i { transform: translateX(5px); }
.sport-card--big .sport-card__cover { aspect-ratio: 16 / 7; min-height: 220px; }
.sport-card--big .sport-card__cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8,13,24,0.55));
}
.sport-card--big h3 { font-size: 1.4rem; }
.sport-card--row { flex-direction: row; align-items: stretch; }
.sport-card--row .sport-card__cover {
  width: 38%;
  aspect-ratio: auto;
  min-height: 200px;
}
.sport-card--row .sport-card__body { min-width: 0; }

.testimonial-carousel {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  padding: 0 64px;
}
.testimonial-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-top: var(--glass-top);
  border-radius: var(--radius-card);
  padding: 42px 48px;
  text-align: center;
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  backdrop-filter: blur(14px) saturate(130%);
  box-shadow: var(--shadow-card);
}
.testimonial-stars {
  color: var(--amber-event);
  font-size: 17px;
  letter-spacing: 4px;
  margin-bottom: 18px;
}
.testimonial-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.testimonial-author {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}
.testimonial-carousel .carousel-indicators {
  position: static;
  margin: 30px auto 0;
  gap: 8px;
  padding: 0;
}
.testimonial-carousel .carousel-indicators [data-bs-target] {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background-color: rgba(255,255,255,0.18);
  border: 0;
  border-top: 0;
  border-bottom: 0;
  opacity: 1;
  transition: all 0.3s var(--ease);
}
.testimonial-carousel .carousel-indicators .active {
  width: 26px;
  background-color: var(--cyan-energy);
}
.testimonial-carousel .carousel-control-prev,
.testimonial-carousel .carousel-control-next {
  top: 50%;
  bottom: auto;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 1;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.25s var(--ease);
}
.testimonial-carousel .carousel-control-prev { left: 0; }
.testimonial-carousel .carousel-control-next { right: 0; }
.testimonial-carousel .carousel-control-prev:hover,
.testimonial-carousel .carousel-control-next:hover {
  color: var(--cyan-energy);
  border-color: rgba(34,224,168,0.45);
  background: rgba(34,224,168,0.07);
}
.testimonial-carousel .carousel-control-prev:focus-visible,
.testimonial-carousel .carousel-control-next:focus-visible {
  outline: 2px solid var(--cyan-energy);
  outline-offset: 2px;
}

.assurance-bar {
  border-top: var(--divider);
  border-bottom: var(--divider);
  padding: 52px 0;
  background: var(--bg-soft);
}
.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.assurance-item {
  text-align: center;
  padding: 16px 12px;
}
.assurance-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 20px;
  color: var(--cyan-energy);
  background: rgba(34,224,168,0.07);
  border: 1px solid rgba(34,224,168,0.25);
  box-shadow: 0 0 18px rgba(34,224,168,0.12);
}
.assurance-item h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.assurance-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cta-section { padding: 96px 0; }
.cta-panel {
  position: relative;
  text-align: center;
  border-radius: 24px;
  overflow: hidden;
  padding: 64px 48px;
  background: var(--bg-panel);
  border: var(--glass-border);
}
.cta-panel::before {
  content: '';
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 240px;
  background: radial-gradient(closest-side, rgba(34,224,168,0.22), transparent);
  pointer-events: none;
}
.cta-panel .eyebrow { margin-bottom: 16px; }
.cta-panel h2 {
  position: relative;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}
.cta-panel p {
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.cta-panel .btn-primary-lg { position: relative; z-index: 1; }

.faq-section .section-head { margin-bottom: 40px; }
.faq-accordion { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item .accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  padding: 19px 24px;
  box-shadow: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-item .accordion-button::after {
  content: '';
  width: 12px;
  height: 12px;
  margin-left: auto;
  background: none;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
}
.faq-item .accordion-button:not(.collapsed)::after {
  transform: rotate(-135deg);
  border-color: var(--cyan-energy);
}
.faq-item .accordion-button:not(.collapsed) {
  color: var(--cyan-energy);
  background: rgba(34,224,168,0.045);
  box-shadow: inset 2px 0 0 var(--cyan-energy);
}
.faq-item .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(34,224,168,0.3);
  outline-offset: -2px;
}
.faq-item .accordion-body {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
}

.news-list {
  max-width: 900px;
  margin: 0 auto;
}
.news-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  margin-bottom: 16px;
  border-radius: var(--radius-card);
  background: var(--glass-bg);
  border: var(--glass-border);
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease);
}
.news-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(34,224,168,0.3);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}
.news-thumb {
  width: 120px;
  height: 80px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { min-width: 0; flex: 1; }
.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
  color: var(--text-primary);
  transition: color 0.25s var(--ease);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-card:hover .news-body h3 { color: var(--cyan-energy); }
.news-summary {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
}
.news-cat {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber-event);
  background: rgba(245,184,66,0.08);
  border: 1px solid rgba(245,184,66,0.25);
  padding: 2px 10px;
  border-radius: 999px;
}
.news-more {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  color: var(--cyan-energy);
  white-space: nowrap;
}
.news-empty {
  text-align: center;
  padding: 52px 20px;
  border: 1px dashed rgba(255,255,255,0.14);
  border-radius: var(--radius-card);
  color: var(--text-muted);
  font-size: 15px;
  background: var(--glass-bg);
}
.news-empty i {
  font-size: 34px;
  margin-bottom: 12px;
  display: block;
  color: var(--text-muted);
}

.site-footer {
  background: #070C15;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 0;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-text { color: var(--text-primary); }
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 11px; font-size: 14px; color: var(--text-secondary); }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.25s var(--ease);
}
.footer-col ul li a:hover { color: var(--cyan-energy); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 22px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}
.footer-bottom p { line-height: 1.6; }

@media (max-width: 1199.98px) {
  .hero-quick { max-width: 420px; }
  .assurance-grid { gap: 16px; }
}
@media (max-width: 991.98px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .status-pill,
  .header-actions .countdown-pill { display: none; }
  .hero { min-height: auto; padding: 110px 0 70px; }
  .hero h1 { font-size: 2.5rem; }
  .hero-quick { margin-top: 32px; max-width: 100%; }
  .assurance-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-carousel { padding: 0 52px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-panel { padding: 52px 32px; }
}
@media (max-width: 767.98px) {
  .section { padding: 64px 0; }
  .cta-section { padding: 64px 0; }
  .hero { padding: 100px 0 56px; }
  .hero h1 { font-size: 2.1rem; }
  .hero-sub { font-size: 15px; }
  .hero-ctas .btn { width: 100%; }
  .cta-panel { padding: 40px 24px; }
  .cta-panel h2 { font-size: 1.5rem; }
  .cta-panel .btn-primary-lg { width: 100%; }
  .sport-card--row { flex-direction: column; }
  .sport-card--row .sport-card__cover { width: 100%; aspect-ratio: 16 / 9; min-height: 0; }
  .sport-card--big .sport-card__cover { aspect-ratio: 16 / 9; min-height: 0; }
  .testimonial-carousel { padding: 0; }
  .testimonial-card { padding: 28px 22px; }
  .testimonial-carousel .carousel-control-prev,
  .testimonial-carousel .carousel-control-next { display: none; }
  .news-card { flex-direction: column; align-items: stretch; padding: 16px; }
  .news-thumb { width: 100%; height: 150px; }
  .news-body h3 { white-space: normal; }
  .news-summary { white-space: normal; }
  .news-more { margin-left: 0; }
  .faq-item .accordion-button { font-size: 15px; padding: 16px 18px; }
  .faq-item .accordion-body { padding: 0 18px 18px; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .brand-text { font-size: 18px; }
  .brand-tag { right: -26px; }
  .section-head h2 { font-size: 1.5rem; }
  .section-head { margin-bottom: 32px; }
  .assurance-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .assurance-item { padding: 12px 8px; }
  .assurance-icon { width: 44px; height: 44px; font-size: 17px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
}

/* roulang page: category1 */
:root {
  --bg-deep: #080D18;
  --bg-panel: #0F172A;
  --blue-tech: #2F6EF5;
  --cyan-energy: #22E0A8;
  --amber-event: #F5B842;
  --text-primary: #F4F8FF;
  --text-secondary: #9AA8C0;
  --text-muted: #66748C;
  --glass-bg: rgba(255, 255, 255, 0.045);
  --glass-border: rgba(255, 255, 255, 0.08);
  --divider: rgba(255, 255, 255, 0.06);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 20px 40px -24px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 0 1px rgba(34, 224, 168, 0.35), 0 20px 60px -30px rgba(34, 224, 168, 0.35);
  --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--cyan-energy); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
@media (max-width: 575px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  height: 72px;
  background: rgba(8, 13, 24, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-header .container {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  color: #fff;
  font-size: 16px;
  box-shadow: 0 0 18px rgba(34, 224, 168, 0.3);
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  line-height: 1;
}
.brand-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--amber-event);
  background: rgba(245, 184, 66, 0.12);
  border: 1px solid rgba(245, 184, 66, 0.3);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  margin-left: 4px;
  vertical-align: middle;
  letter-spacing: 0.5px;
}
.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  position: relative;
}
.main-nav a:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.03); }
.main-nav li.active a {
  color: var(--text-primary);
  font-weight: 600;
}
.main-nav li.active a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-tech), var(--cyan-energy));
  box-shadow: 0 0 10px rgba(34, 224, 168, 0.6);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-energy);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 224, 168, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(34, 224, 168, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 224, 168, 0); }
}
.countdown-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid rgba(245, 184, 66, 0.3);
  background: rgba(245, 184, 66, 0.06);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.countdown-pill i { color: var(--amber-event); }
.countdown-pill .js-countdown {
  font-family: "SF Mono", "Roboto Mono", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--amber-event);
  font-weight: 600;
}
.btn-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  box-shadow: 0 0 16px rgba(34, 224, 168, 0.25);
  transition: transform .2s ease, box-shadow .25s ease, filter .2s ease;
  white-space: nowrap;
}
.btn-glow:hover { filter: brightness(1.08); box-shadow: 0 0 28px rgba(34, 224, 168, 0.45); color: #fff; }
.btn-glow:active { transform: scale(0.98); }
.btn-glow:focus-visible { outline: 2px solid var(--cyan-energy); outline-offset: 3px; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.nav-toggle:hover { border-color: var(--cyan-energy); background: rgba(34, 224, 168, 0.08); }
@media (max-width: 1199px) {
  .main-nav a { padding: 8px 10px; font-size: 14px; }
  .countdown-pill { display: none; }
}
@media (max-width: 991px) {
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(8, 13, 24, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 12px 24px 20px;
    display: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 40px rgba(0, 0, 0, 0.5);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { padding: 12px 14px; font-size: 15px; }
  .main-nav li.active a::after { bottom: 6px; left: 14px; right: auto; width: 28px; }
  .header-actions .status-pill,
  .header-actions .countdown-pill { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ===== Page Hero / Category Header ===== */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 88px 0 76px;
  border-bottom: 1px solid var(--divider);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 13, 24, 0.92) 0%, rgba(8, 13, 24, 0.65) 50%, rgba(8, 13, 24, 0.55) 100%);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, var(--bg-deep) 0%, transparent 40%);
}
.page-hero .container { position: relative; z-index: 2; }
.hero-inner {
  display: flex;
  align-items: center;
  gap: 56px;
}
.hero-text { flex: 1 1 52%; }
.hero-text .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 224, 168, 0.1);
  border: 1px solid rgba(34, 224, 168, 0.3);
  color: var(--cyan-energy);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 18px;
  color: var(--text-primary);
}
.page-hero h1 .hero-em {
  background: linear-gradient(135deg, var(--cyan-energy), #7cf0d0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-text p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn-glow-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  box-shadow: 0 0 20px rgba(34, 224, 168, 0.28);
  animation: breathe 2.6s ease-in-out infinite;
  transition: transform .2s ease, filter .2s ease;
  cursor: pointer;
}
.btn-glow-lg:hover { filter: brightness(1.08); color: #fff; box-shadow: 0 0 32px rgba(34, 224, 168, 0.5); }
.btn-glow-lg:active { transform: scale(0.98); }
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 16px rgba(34, 224, 168, 0.25); }
  50% { box-shadow: 0 0 28px rgba(34, 224, 168, 0.5); }
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-btn);
  transition: border-color .2s, background .2s, color .2s;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--cyan-energy); color: var(--cyan-energy); background: rgba(34, 224, 168, 0.06); }
.hero-quick {
  flex: 0 1 400px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  box-shadow: var(--shadow-card);
  position: relative;
}
.hero-quick::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
}
.hero-quick h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.hero-quick .quick-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.quick-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  padding: 16px 14px;
  text-align: center;
  transition: border-color .2s, transform .2s, background .2s;
}
.quick-item:hover {
  border-color: rgba(34, 224, 168, 0.4);
  transform: translateY(-2px);
  background: rgba(34, 224, 168, 0.04);
}
.quick-item i {
  font-size: 22px;
  color: var(--cyan-energy);
  display: block;
  margin-bottom: 8px;
}
.quick-item span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}
.quick-item small {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-top: 3px;
}
.quick-button {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}
.quick-button a {
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan-energy);
  background: rgba(34, 224, 168, 0.08);
  border: 1px solid rgba(34, 224, 168, 0.25);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  transition: background .2s, box-shadow .2s;
}
.quick-button a:hover { background: rgba(34, 224, 168, 0.14); box-shadow: 0 0 14px rgba(34, 224, 168, 0.25); }
@media (max-width: 991px) {
  .page-hero { padding: 64px 0; }
  .page-hero h1 { font-size: 2.4rem; }
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero-quick { flex: 0 1 auto; width: 100%; max-width: 480px; }
}
@media (max-width: 575px) {
  .page-hero { padding: 48px 0; }
  .page-hero h1 { font-size: 2.1rem; }
  .hero-actions { flex-direction: column; }
  .btn-glow-lg, .btn-ghost { width: 100%; }
}

/* ===== Breadcrumb ===== */
.crumb-bar {
  padding: 18px 0;
  border-bottom: 1px solid var(--divider);
  background: rgba(15, 23, 42, 0.4);
}
.crumb-bar .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 14px; color: var(--text-muted); }
.crumb-bar a { color: var(--text-secondary); font-weight: 500; }
.crumb-bar a:hover { color: var(--cyan-energy); }
.crumb-sep { color: var(--text-muted); font-size: 12px; }
.crumb-current { color: var(--text-secondary); }

/* ===== Section ===== */
.section-block { padding: 72px 0; }
.section-block + .section-block { border-top: 1px solid var(--divider); }
.section-head { margin-bottom: 42px; }
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-energy);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-head p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 720px;
}
@media (max-width: 767px) {
  .section-block { padding: 48px 0; }
  .section-head h2 { font-size: 1.5rem; }
}

/* ===== Dual Column Feature ===== */
.dual-feature {
  display: flex;
  align-items: center;
  gap: 60px;
}
.dual-media { flex: 0 1 48%; position: relative; }
.dual-media .media-card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 12px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.dual-media img {
  border-radius: 14px;
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.media-badge {
  position: absolute;
  top: 26px;
  left: 26px;
  background: rgba(8, 13, 24, 0.8);
  border: 1px solid rgba(34, 224, 168, 0.4);
  color: var(--cyan-energy);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.dual-text { flex: 1 1 48%; }
.dual-text h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.dual-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 14px;
}
.dual-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-top: 20px;
  list-style: none;
  padding: 0;
}
.dual-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 12px 14px;
}
.dual-points i {
  color: var(--cyan-energy);
  font-size: 15px;
  flex-shrink: 0;
}
.dual-text .btn-glow {
  margin-top: 26px;
  padding: 12px 26px;
  font-size: 15px;
}
@media (max-width: 991px) {
  .dual-feature { flex-direction: column; gap: 36px; }
  .dual-media, .dual-text { flex-basis: auto; width: 100%; }
}
@media (max-width: 575px) {
  .dual-points { grid-template-columns: 1fr; }
}

/* ===== Assurance Bar ===== */
.assure-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.assure-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-card);
  padding: 28px 22px;
  text-align: center;
  transition: border-color .2s, transform .2s;
}
.assure-item:hover { border-color: rgba(34, 224, 168, 0.3); transform: translateY(-3px); }
.assure-item i {
  font-size: 28px;
  color: var(--cyan-energy);
  display: block;
  margin-bottom: 14px;
  text-shadow: 0 0 18px rgba(34, 224, 168, 0.4);
}
.assure-item h4 { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.assure-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
@media (max-width: 991px) {
  .assure-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575px) {
  .assure-grid { gap: 12px; }
  .assure-item { padding: 20px 14px; }
}

/* ===== Scenario Cards 2x2 ===== */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.scenario-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
  transition: transform .25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow .25s ease, border-color .25s ease;
}
.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(34, 224, 168, 0.3);
}
.scenario-card .card-media { overflow: hidden; }
.scenario-card .card-media img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform .25s cubic-bezier(0.22, 1, 0.36, 1);
}
.scenario-card:hover .card-media img { transform: scale(1.04); }
.scenario-body { padding: 22px 24px 24px; }
.scenario-body .scen-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan-energy);
  background: rgba(34, 224, 168, 0.1);
  border: 1px solid rgba(34, 224, 168, 0.2);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 10px;
}
.scenario-body h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.scenario-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 0; }
@media (max-width: 767px) {
  .scenario-grid { grid-template-columns: 1fr; }
}

/* ===== Steps ===== */
.steps-panel {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 48px 44px;
  position: relative;
  overflow: hidden;
}
.steps-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, rgba(34, 224, 168, 0.4), transparent);
  transform: translateX(-50%);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step-item {
  position: relative;
  text-align: center;
  counter-increment: step;
}
.step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  box-shadow: 0 0 24px rgba(34, 224, 168, 0.25);
  position: relative;
  z-index: 1;
}
.step-item h4 { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.step-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; margin: 0 auto; max-width: 190px; }
.step-line {
  position: absolute;
  top: 28px;
  right: -14px;
  width: 28px;
  height: 1px;
  background: rgba(34, 224, 168, 0.25);
}
.step-item:last-child .step-line { display: none; }
@media (max-width: 991px) {
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 36px 20px; }
  .step-line { display: none; }
}
@media (max-width: 575px) {
  .steps-panel { padding: 32px 18px; }
  .steps-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-wrap .accordion-item {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.faq-wrap .accordion-item:first-of-type,
.faq-wrap .accordion-item:last-of-type {
  border-radius: var(--radius-card);
}
.faq-wrap .accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none;
  border: none;
  position: relative;
}
.faq-wrap .accordion-button::after {
  background-image: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  color: var(--cyan-energy);
  width: auto;
  height: auto;
  font-size: 14px;
}
.faq-wrap .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}
.faq-wrap .accordion-button:not(.collapsed) {
  background: rgba(34, 224, 168, 0.05);
  color: var(--cyan-energy);
  box-shadow: inset 0 2px 0 rgba(34, 224, 168, 0.4);
}
.faq-wrap .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(34, 224, 168, 0.4);
  outline-offset: -2px;
}
.faq-wrap .accordion-body {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.8;
  padding: 8px 24px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ===== CTA ===== */
.cta-panel {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  width: 360px;
  height: 160px;
  background: radial-gradient(ellipse, rgba(34, 224, 168, 0.16), transparent 70%);
  transform: translateX(-50%);
}
.cta-panel .container { position: relative; z-index: 2; }
.cta-panel h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.cta-panel p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 28px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 18px;
}
@media (max-width: 575px) {
  .cta-panel { padding: 40px 20px; }
  .cta-panel h2 { font-size: 1.5rem; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn-glow-lg { width: 100%; }
}

/* ===== Footer ===== */
.site-footer {
  background: #070C15;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 60px;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 44px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 340px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-energy), transparent);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}
.footer-col a { color: var(--text-secondary); }
.footer-col a:hover { color: var(--cyan-energy); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
@media (max-width: 991px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ===== Extra ===== */
.text-em { color: var(--cyan-energy); }
.fa-bolt { font-size: 16px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* roulang page: article */
:root {
    --bg-deep: #080D18;
    --bg-panel: #0F172A;
    --blue-tech: #2F6EF5;
    --cyan-energy: #22E0A8;
    --amber-event: #F5B842;
    --text-primary: #F4F8FF;
    --text-secondary: #9AA8C0;
    --text-muted: #66748C;
    --glass-bg: rgba(255,255,255,0.045);
    --glass-border: rgba(255,255,255,0.08);
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-card: 0 20px 40px -24px rgba(0,0,0,0.8);
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-main);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan-energy); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; margin: 0 auto; width: 100%; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan-energy); outline-offset: 3px; }

/* 覆盖 Bootstrap 默认观感 */
.btn, .form-control, .card, .accordion-item, .accordion-button, .breadcrumb, .nav-link {
    border-radius: 0;
    font-family: inherit;
    box-shadow: none !important;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 72px;
    background: rgba(8,13,24,0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    box-shadow: 0 0 18px rgba(34,224,168,0.35);
}
.brand-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    position: relative;
}
.brand-tag {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--amber-event);
    border: 1px solid rgba(245,184,66,0.5);
    border-radius: 999px;
    padding: 2px 6px;
    margin-left: 6px;
    vertical-align: middle;
    letter-spacing: 0.05em;
}
.main-nav ul { display: flex; gap: 6px; align-items: center; }
.main-nav li { position: relative; }
.main-nav li a {
    display: block;
    padding: 8px 14px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: color .2s, background .2s;
}
.main-nav li a:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.main-nav li.active a { color: var(--text-primary); background: rgba(34,224,168,0.08); }
.main-nav li.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: -2px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--blue-tech), var(--cyan-energy));
}
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.status-pill {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.8125rem; color: var(--text-secondary);
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: 999px; padding: 6px 14px;
}
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--cyan-energy);
    box-shadow: 0 0 8px rgba(34,224,168,0.8);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 4px rgba(34,224,168,0.6); }
    50% { box-shadow: 0 0 14px rgba(34,224,168,0.9); }
}
.countdown-pill {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.8125rem; color: var(--amber-event);
    border: 1px solid rgba(245,184,66,0.4);
    border-radius: 999px; padding: 6px 14px;
    background: rgba(245,184,66,0.06);
}
.countdown-pill .js-countdown {
    font-family: "SFMono-Regular", Consolas, monospace;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}
.btn-glow {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 22px; border-radius: var(--radius-btn);
    background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
    color: #fff; font-size: 0.9375rem; font-weight: 600; border: none;
    box-shadow: 0 4px 20px rgba(34,224,168,0.25);
    transition: box-shadow .25s, transform .2s, filter .2s;
    white-space: nowrap;
}
.btn-glow:hover { color: #fff; filter: brightness(1.1); box-shadow: 0 4px 30px rgba(34,224,168,0.4); }
.btn-glow:active { transform: scale(0.98); }
.nav-toggle {
    display: none; background: transparent; color: var(--text-primary);
    font-size: 1.4rem; padding: 6px 10px;
    border-radius: 8px; border: 1px solid var(--glass-border);
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
    padding: 30px 0 18px;
    background: linear-gradient(135deg, rgba(15,23,42,0.72), rgba(8,13,24,0.92)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 0.875rem; color: var(--text-muted); }
.breadcrumb-list a { color: var(--text-secondary); transition: color .2s; }
.breadcrumb-list a:hover { color: var(--cyan-energy); }
.breadcrumb-list .sep { color: var(--text-muted); margin: 0 2px; }
.breadcrumb-list .current {
    color: var(--text-primary); overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; max-width: 320px;
}
.breadcrumb-list li { display: inline-flex; align-items: center; }

/* ===== 文章主体 ===== */
.article-layout { padding: 52px 0 68px; }
.article-inner { max-width: 1140px; margin: 0 auto; }
.article-column { max-width: 760px; margin: 0 auto; }
.article-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 48px 52px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}
.article-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--blue-tech), var(--cyan-energy), transparent);
}
.article-title {
    font-size: 2.25rem; line-height: 1.3; font-weight: 800;
    margin: 0 0 18px; color: var(--text-primary);
    letter-spacing: 0.01em;
}
.article-meta-row {
    display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
    padding-bottom: 24px; border-bottom: 1px solid var(--glass-border);
    margin-bottom: 32px;
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8125rem; color: var(--text-muted); }
.meta-item i { color: var(--cyan-energy); font-size: 0.875rem; }
.meta-divider { width: 3px; height: 3px; border-radius: 50%; background: var(--text-muted); opacity: 0.5; }

/* ===== 文章正文排版 ===== */
.article-content { font-size: 1rem; line-height: 1.8; color: var(--text-secondary); word-wrap: break-word; }
.article-content p { margin-bottom: 1.5em; color: var(--text-secondary); }
.article-content h2, .article-content h3, .article-content h4 { color: var(--text-primary); font-weight: 700; line-height: 1.4; margin-top: 2em; margin-bottom: 0.8em; }
.article-content h2 { font-size: 1.5rem; padding-left: 0.875rem; border-left: 3px solid var(--cyan-energy); }
.article-content h3 { font-size: 1.25rem; font-weight: 650; padding-left: 0.875rem; border-left: 3px solid var(--blue-tech); }
.article-content a { color: var(--cyan-energy); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: #fff; }
.article-content img { max-width: 100%; height: auto; border-radius: 12px; margin: 1.75em auto; box-shadow: var(--shadow-card); }
.article-content blockquote { margin: 1.75em 0; padding: 18px 22px; background: rgba(47,110,245,0.07); border-left: 3px solid var(--blue-tech); border-radius: 0 12px 12px 0; color: var(--text-secondary); }
.article-content blockquote p { margin-bottom: 0.5em; }
.article-content ul, .article-content ol { padding-left: 1.5rem; margin: 1.25em 0; color: var(--text-secondary); }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 0.5em; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.75em 0; font-size: 0.875rem; color: var(--text-secondary); border-radius: 12px; overflow: hidden; }
.article-content th, .article-content td { border: 1px solid rgba(255,255,255,0.08); padding: 0.8rem 1rem; text-align: left; }
.article-content th { background: var(--bg-panel); color: var(--text-primary); font-weight: 600; }
.article-content pre { background: var(--bg-panel); border: 1px solid var(--glass-border); border-radius: 12px; padding: 1.25rem 1.5rem; overflow-x: auto; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.875rem; line-height: 1.6; margin: 1.75em 0; color: var(--text-primary); }
.article-content code { background: rgba(255,255,255,0.08); border-radius: 4px; padding: 0.15em 0.4em; font-size: 0.875em; color: var(--cyan-energy); }
.article-content pre code { background: transparent; padding: 0; color: inherit; }

/* ===== 文章底部 ===== */
.article-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--glass-border); }
.btn-outline { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: var(--radius-btn); background: transparent; border: 1px solid var(--glass-border); color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; transition: all .2s; }
.btn-outline:hover { color: var(--cyan-energy); border-color: rgba(34,224,168,0.4); background: rgba(34,224,168,0.05); }
.article-pager { display: flex; align-items: center; gap: 12px; }
.pager-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.875rem; color: var(--text-muted); padding: 6px 10px; border-radius: 8px; transition: all .2s; }
.pager-link:not(.disabled) { color: var(--text-secondary); }
.pager-link:not(.disabled):hover { color: var(--cyan-energy); background: rgba(34,224,168,0.06); }
.pager-link.disabled { opacity: 0.45; cursor: not-allowed; }
.pager-divider { width: 1px; height: 18px; background: var(--glass-border); }

/* ===== 空状态 ===== */
.article-empty { text-align: center; padding: 80px 20px; }
.article-empty i { font-size: 3rem; color: var(--text-muted); margin-bottom: 20px; display: block; }
.article-empty p { font-size: 1.125rem; color: var(--text-secondary); margin-bottom: 24px; }

/* ===== 相关推荐 ===== */
.related-section { padding: 64px 0 80px; background: rgba(15,23,42,0.24); border-top: 1px solid var(--glass-border); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; }
.section-head h2 { font-size: 2rem; font-weight: 700; letter-spacing: 0.02em; margin: 0; }
.section-head .section-desc { color: var(--text-muted); font-size: 0.875rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: start; }
.related-card:nth-child(2) { margin-top: 28px; }
.related-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform .25s cubic-bezier(0.2, 0.8, 0.4, 1), box-shadow .25s, border-color .25s;
}
.related-card:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px rgba(34,224,168,0.35), 0 20px 60px -30px rgba(34,224,168,0.35); border-color: rgba(34,224,168,0.25); }
.related-card .card-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.related-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.related-card:hover .card-cover img { transform: scale(1.04); }
.related-card .card-cover .cover-tag { position: absolute; top: 14px; left: 14px; background: rgba(8,13,24,0.7); backdrop-filter: blur(8px); color: var(--cyan-energy); font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(34,224,168,0.3); }
.related-card .card-body { padding: 20px 22px 24px; }
.related-card .card-body h3 { font-size: 1.125rem; font-weight: 700; margin: 0 0 10px; line-height: 1.4; }
.related-card .card-body h3 a { color: var(--text-primary); }
.related-card .card-body h3 a:hover { color: var(--cyan-energy); }
.related-card .card-body p { font-size: 0.875rem; color: var(--text-muted); margin: 0 0 16px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-bottom { display: flex; justify-content: space-between; align-items: center; }
.related-card .card-bottom .card-link { font-size: 0.875rem; font-weight: 600; color: var(--cyan-energy); display: inline-flex; align-items: center; gap: 6px; transition: gap .2s; }
.related-card .card-bottom .card-link:hover { gap: 10px; }
.related-card .card-meta { font-size: 0.75rem; color: var(--text-muted); }

/* ===== Footer ===== */
.site-footer { background: #070C15; border-top: 1px solid var(--glass-border); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.7; margin-top: 16px; max-width: 320px; }
.footer-col h4 { color: var(--text-primary); font-size: 1rem; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.03em; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col li { font-size: 0.875rem; }
.footer-col a { color: var(--text-secondary); transition: color .2s; }
.footer-col a:hover { color: var(--cyan-energy); }
.footer-bottom { border-top: 1px solid var(--glass-border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: var(--text-muted); font-size: 0.8125rem; margin: 0; }

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .related-card:nth-child(2) { margin-top: 0; }
    .related-card:nth-child(3) { grid-column: span 2; max-width: 480px; margin: 0 auto; }
}
@media (max-width: 991px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 72px; left: 0; right: 0;
        background: rgba(8,13,24,0.97);
        border-bottom: 1px solid var(--glass-border);
        padding: 16px 24px 24px;
        backdrop-filter: blur(18px);
    }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
    .main-nav li { width: 100%; }
    .main-nav li a { display: block; width: 100%; padding: 12px 14px; border-radius: 8px; }
    .main-nav li.active::after { display: none; }
    .main-nav li.active a { background: rgba(34,224,168,0.1); }
    .nav-toggle { display: inline-flex; }
    .header-actions .status-pill,
    .header-actions .countdown-pill { display: none; }
    .article-column { max-width: 100%; }
    .article-card { padding: 36px 32px; }
}
@media (max-width: 767px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .article-card { padding: 28px 20px; }
    .article-title { font-size: 1.75rem; }
    .related-grid { grid-template-columns: 1fr; }
    .related-card:nth-child(3) { grid-column: auto; max-width: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand p { max-width: 100%; }
    .article-bottom { flex-direction: column; align-items: flex-start; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (max-width: 575px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .article-title { font-size: 1.5rem; }
    .meta-divider { display: none; }
    .article-meta-row { gap: 8px; }
    .footer-grid { grid-template-columns: 1fr; }
    .header-actions .btn-glow { padding: 8px 14px; font-size: 0.8125rem; }
    .breadcrumb-list .current { max-width: 200px; }
}

/* roulang page: category2 */
:root {
            --bg-deep: #080D18;
            --bg-panel: #0F172A;
            --blue-tech: #2F6EF5;
            --cyan-energy: #22E0A8;
            --amber-event: #F5B842;
            --text-primary: #F4F8FF;
            --text-secondary: #9AA8C0;
            --text-muted: #66748C;
            --card-bg: rgba(255, 255, 255, 0.045);
            --card-border: 1px solid rgba(255, 255, 255, 0.08);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 20px 40px -24px rgba(0, 0, 0, 0.8);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--blue-tech);
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover {
            color: var(--cyan-energy);
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: 72px;
            background: rgba(8, 13, 24, 0.78);
            backdrop-filter: blur(18px) saturate(130%);
            -webkit-backdrop-filter: blur(18px) saturate(130%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container {
            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-mark {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 0 18px rgba(34, 224, 168, 0.35);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .brand-tag {
            display: inline-block;
            vertical-align: middle;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--cyan-energy);
            border: 1px solid rgba(34, 224, 168, 0.45);
            border-radius: 999px;
            padding: 1px 7px;
            margin-left: 4px;
            line-height: 1.5;
        }

        .main-nav ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: color .25s;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav li.active a {
            color: var(--text-primary);
        }

        .main-nav li.active a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--blue-tech), var(--cyan-energy));
            box-shadow: 0 0 10px rgba(34, 224, 168, 0.6);
        }

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

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(34, 224, 168, 0.08);
            border: 1px solid rgba(34, 224, 168, 0.2);
            border-radius: 999px;
            padding: 4px 12px;
        }

        .status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--cyan-energy);
            animation: breathe 2s infinite ease-in-out;
        }

        @keyframes breathe {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 224, 168, 0.7);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(34, 224, 168, 0);
            }
        }

        .countdown-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--amber-event);
            background: rgba(245, 184, 66, 0.08);
            border: 1px solid rgba(245, 184, 66, 0.3);
            border-radius: 999px;
            padding: 4px 12px;
            letter-spacing: .5px;
        }

        .countdown-pill .fa-clock {
            font-size: 12px;
        }

        .js-countdown {
            font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
            font-variant-numeric: tabular-nums;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: none;
            box-shadow: 0 0 20px rgba(34, 224, 168, 0.25);
            transition: all .25s cubic-bezier(.4, 0, .2, 1);
        }

        .btn-glow:hover {
            color: #fff;
            filter: brightness(1.12);
            box-shadow: 0 0 34px rgba(34, 224, 168, 0.4);
            transform: translateY(-1px);
        }

        .btn-glow:active {
            transform: scale(.98);
        }

        .btn-glow.btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            animation: ctaGlow 2.4s infinite;
        }

        @keyframes ctaGlow {
            0%,
            100% {
                box-shadow: 0 0 18px rgba(34, 224, 168, 0.2);
            }
            50% {
                box-shadow: 0 0 40px rgba(34, 224, 168, 0.45);
            }
        }

        .btn-outline-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
        }

        .btn-outline-ghost:hover {
            border-color: var(--cyan-energy);
            color: var(--cyan-energy);
            background: rgba(34, 224, 168, 0.08);
        }

        .btn-outline-ghost:active {
            transform: scale(.98);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: var(--text-primary);
            width: 42px;
            height: 42px;
            font-size: 17px;
            align-items: center;
            justify-content: center;
        }

        /* ============ Page Hero ============ */
        .page-hero {
            position: relative;
            padding: 160px 0 90px;
            background: linear-gradient(180deg, rgba(8, 13, 24, .82), rgba(8, 13, 24, .96)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(34, 224, 168, 0.12);
            filter: blur(100px);
            pointer-events: none;
        }

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

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 18px;
        }

        .page-hero h1 .highlight {
            color: var(--cyan-energy);
            text-shadow: 0 0 24px rgba(34, 224, 168, 0.3);
        }

        .page-hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
        }

        .page-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .page-hero-meta .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .page-hero-meta .tag-pill i {
            color: var(--cyan-energy);
        }

        .hero-panel-card {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            backdrop-filter: blur(14px) saturate(130%);
            -webkit-backdrop-filter: blur(14px) saturate(130%);
            box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.8);
            padding: 26px;
        }

        .hero-panel-card .panel-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 18px;
        }

        .hero-panel-card .panel-head h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0;
        }

        .hero-panel-card .panel-head .live-tag {
            font-size: 12px;
            color: var(--cyan-energy);
            border: 1px solid rgba(34, 224, 168, 0.35);
            border-radius: 999px;
            padding: 2px 10px;
        }

        .hero-panel-quick {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .hero-panel-quick a {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 14px 12px;
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 600;
            transition: all .3s ease;
        }

        .hero-panel-quick a:hover {
            border-color: rgba(34, 224, 168, 0.5);
            background: rgba(34, 224, 168, 0.08);
            color: var(--cyan-energy);
            transform: translateY(-2px);
        }

        .hero-panel-quick a i {
            font-size: 18px;
            color: var(--cyan-energy);
            width: 22px;
            text-align: center;
        }

        /* ============ Feature Alternate ============ */
        .features-alternate {
            padding: 100px 0 40px;
            position: relative;
        }

        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--cyan-energy);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
        }

        .feature-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            padding: 50px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .feature-item.reverse .feature-media {
            order: 2;
        }

        .feature-item.reverse .feature-content {
            order: 1;
        }

        .feature-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16/10;
        }

        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            pointer-events: none;
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .feature-item:hover .feature-media img {
            transform: scale(1.04);
        }

        .feature-media .media-badge {
            position: absolute;
            left: 16px;
            top: 16px;
            background: rgba(8, 13, 24, 0.72);
            border: 1px solid rgba(34, 224, 168, 0.35);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: var(--cyan-energy);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: .5px;
            z-index: 2;
        }

        .feature-content {
            padding: 10px 0;
        }

        .feature-content .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--blue-tech);
            background: rgba(47, 110, 245, 0.12);
            border: 1px solid rgba(47, 110, 245, 0.25);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 18px;
        }

        .feature-content .feature-tag i {
            color: var(--cyan-energy);
        }

        .feature-content h2 {
            font-size: 1.75rem;
            font-weight: 750;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .feature-content .feature-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .feature-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text-primary);
            padding: 7px 0;
        }

        .feature-points li i {
            color: var(--cyan-energy);
            font-size: 14px;
            opacity: .9;
        }

        /* ============ Stats Band ============ */
        .stats-band {
            padding: 80px 0;
            background: var(--bg-panel);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all .3s ease;
        }

        .stat-card:hover {
            border-color: rgba(34, 224, 168, 0.35);
            box-shadow: 0 0 0 1px rgba(34, 224, 168, 0.2), 0 20px 60px -30px rgba(34, 224, 168, 0.3);
            transform: translateY(-4px);
        }

        .stat-card .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--cyan-energy);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .stat-card .stat-detail {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ============ Usage Scenarios ============ */
        .usage-scenarios {
            padding: 100px 0 60px;
        }

        .scenario-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scenario-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--card-bg);
            border: var(--card-border);
            border-radius: var(--radius-card);
            padding: 26px 30px;
            transition: all .3s ease;
        }

        .scenario-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(34, 224, 168, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.8);
        }

        .scenario-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(34, 224, 168, 0.12);
            border: 1px solid rgba(34, 224, 168, 0.25);
            color: var(--cyan-energy);
            font-size: 20px;
            margin-top: 2px;
        }

        .scenario-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .scenario-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-panel);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .custom-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .3s ease;
        }

        .custom-accordion .accordion-item:has(.show) {
            border-color: rgba(34, 224, 168, 0.35);
        }

        .custom-accordion .accordion-button {
            background: transparent;
            box-shadow: none;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            position: relative;
            transition: all .25s ease;
        }

        .custom-accordion .accordion-button::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%) scaleY(0);
            width: 3px;
            height: 22px;
            border-radius: 3px;
            background: var(--cyan-energy);
            box-shadow: 0 0 12px rgba(34, 224, 168, 0.6);
            transition: transform .3s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed)::before {
            transform: translateY(-50%) scaleY(1);
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--cyan-energy);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(34, 224, 168, 0.3);
            outline-offset: 2px;
        }

        .custom-accordion .accordion-button::after {
            background: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            color: var(--text-secondary);
            font-size: 14px;
            width: auto;
            height: auto;
            transition: all .3s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed)::after {
            content: "\f068";
            color: var(--cyan-energy);
            transform: none;
        }

        .custom-accordion .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 440px;
            height: 440px;
            background: radial-gradient(circle, rgba(34, 224, 168, 0.16) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-panel {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 56px 48px;
            backdrop-filter: blur(14px) saturate(130%);
            -webkit-backdrop-filter: blur(14px) saturate(130%);
            box-shadow: var(--shadow-card);
        }

        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-panel p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-panel .btn-glow {
            margin: 0 auto;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #070C15;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .brand {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
        }

        .footer-col ul li a:hover {
            color: var(--cyan-energy);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1199px) {
            .page-hero-grid {
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-item {
                gap: 36px;
            }
        }

        @media (max-width: 991px) {
            .site-header {
                height: auto;
                min-height: 66px;
            }

            .site-header .container {
                min-height: 66px;
                flex-wrap: wrap;
                padding-top: 10px;
                padding-bottom: 10px;
            }

            .main-nav {
                order: 3;
                width: 100%;
                display: none;
                padding-top: 8px;
            }

            .main-nav.open {
                display: block;
            }

            .main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }

            .main-nav a {
                display: block;
                padding: 12px 14px;
            }

            .main-nav li.active a::after {
                display: none;
            }

            .main-nav li.active a {
                background: rgba(34, 224, 168, 0.1);
                color: var(--cyan-energy);
                border-radius: 10px;
            }

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

            .status-pill,
            .countdown-pill {
                display: none;
            }

            .page-hero {
                padding: 130px 0 70px;
            }

            .page-hero-grid {
                grid-template-columns: 1fr;
            }

            .hero-panel-card {
                max-width: 520px;
            }

            .feature-item {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .feature-item.reverse .feature-media {
                order: 1;
            }

            .feature-item.reverse .feature-content {
                order: 2;
            }

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

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-hero {
                padding: 110px 0 56px;
            }

            .page-hero h1 {
                font-size: 2.1rem;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .features-alternate,
            .usage-scenarios {
                padding: 64px 0 30px;
            }

            .stats-band,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stat-card {
                padding: 20px 14px;
            }

            .stat-card .stat-num {
                font-size: 2rem;
            }

            .scenario-card {
                flex-direction: column;
                padding: 22px;
                gap: 14px;
            }

            .cta-panel {
                padding: 40px 20px;
            }

            .cta-panel h2 {
                font-size: 1.6rem;
            }

            .cta-panel .btn-glow,
            .cta-panel .btn-outline-ghost {
                width: 100%;
            }

            .cta-panel .btn-outline-ghost {
                margin-top: 8px;
            }

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

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

        @media (max-width: 575px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

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

            .brand-tag {
                font-size: 9px;
            }

            .btn-glow {
                padding: 9px 18px;
                font-size: 14px;
            }

            .btn-outline-ghost {
                padding: 9px 18px;
                font-size: 14px;
            }

            .feature-content h2 {
                font-size: 1.4rem;
            }

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

/* roulang page: category3 */
:root{
  --bg-deep:#080D18;
  --bg-panel:#0F172A;
  --blue-tech:#2F6EF5;
  --cyan-energy:#22E0A8;
  --amber-event:#F5B842;
  --text-primary:#F4F8FF;
  --text-secondary:#9AA8C0;
  --text-muted:#66748C;
  --glass-bg:rgba(255,255,255,0.045);
  --glass-border:1px solid rgba(255,255,255,0.08);
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,0.8);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--bg-deep);
  color:var(--text-primary);
  line-height:1.7;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text-primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--cyan-energy)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul{list-style:none}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.section{padding:88px 0;position:relative}
.section-head{margin-bottom:48px}
.section-head .section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:500;color:var(--cyan-energy);
  background:rgba(34,224,168,.1);
  border:1px solid rgba(34,224,168,.2);
  border-radius:999px;padding:6px 16px;margin-bottom:16px;
  letter-spacing:.02em;
}
.section-head h2{
  font-size:2rem;font-weight:700;line-height:1.3;
  color:var(--text-primary);margin-bottom:12px;
}
.section-head p{
  color:var(--text-secondary);
  font-size:1rem;max-width:640px;line-height:1.7;
}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,#2F6EF5,#22E0A8);
  color:#fff;font-size:.9375rem;font-weight:600;
  padding:12px 28px;border-radius:var(--radius-btn);
  border:none;box-shadow:0 8px 32px -8px rgba(34,224,168,.45);
  transition:all .25s cubic-bezier(.4,0,.2,1);
  cursor:pointer;line-height:1.4;
}
.btn-glow:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 12px 44px -8px rgba(34,224,168,.62);
  filter:brightness(1.08);
}
.btn-glow:active{transform:scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.05);
  color:var(--text-primary);font-size:.9375rem;font-weight:500;
  padding:12px 28px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);
  transition:all .25s ease;cursor:pointer;
}
.btn-ghost:hover{
  color:var(--cyan-energy);border-color:rgba(34,224,168,.4);
  background:rgba(34,224,168,.08);
}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{
  padding:8px 18px;font-size:.875rem;border-radius:8px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8125rem;font-weight:500;color:var(--cyan-energy);
  background:rgba(34,224,168,.08);
  border:1px solid rgba(34,224,168,.18);
  border-radius:999px;padding:4px 14px;
}
.tag-amber{
  color:var(--amber-event);
  background:rgba(245,184,66,.08);
  border:1px solid rgba(245,184,66,.2);
}
/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1080;
  height:72px;
  background:rgba(8,13,24,.78);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.25rem;font-weight:800;color:var(--text-primary);
  letter-spacing:.02em;
}
.brand:hover{color:var(--text-primary)}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue-tech),var(--cyan-energy));
  color:#fff;font-size:1rem;
  box-shadow:0 6px 20px -4px rgba(34,224,168,.5);
}
.brand-text{position:relative;line-height:1.2}
.brand-tag{
  position:absolute;top:-9px;right:-26px;
  font-size:.625rem;font-weight:600;
  color:#fff;background:var(--amber-event);
  border-radius:6px;padding:2px 6px;
  line-height:1.2;letter-spacing:.04em;
}
.main-nav ul{
  display:flex;align-items:center;gap:4px;
}
.main-nav a{
  display:inline-block;
  font-size:.9375rem;font-weight:500;
  color:var(--text-secondary);
  padding:28px 14px 22px;
  position:relative;
  transition:color .25s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--blue-tech),var(--cyan-energy));
  opacity:0;transform:scaleX(.6);
  transition:all .25s ease;
}
.main-nav li.active a{
  color:var(--text-primary);
}
.main-nav li.active a::after,
.main-nav a:hover::after{
  opacity:1;transform:scaleX(1);
}
.main-nav a:hover{color:var(--text-primary)}
.header-actions{
  display:flex;align-items:center;gap:16px;
}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:500;color:var(--text-secondary);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:999px;padding:6px 14px;
}
.status-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan-energy);
  box-shadow:0 0 0 3px rgba(34,224,168,.2);
  animation:pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{box-shadow:0 0 0 3px rgba(34,224,168,.2)}
  50%{box-shadow:0 0 0 6px rgba(34,224,168,.08)}
}
.countdown-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.8125rem;font-weight:500;color:var(--amber-event);
  border:1px solid rgba(245,184,66,.3);
  border-radius:999px;padding:6px 14px;
  background:rgba(245,184,66,.05);
}
.countdown-pill .js-countdown{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
  letter-spacing:.05em;
  min-width:58px;display:inline-block;
}
.nav-toggle{
  display:none;background:none;border:none;
  color:var(--text-primary);font-size:1.25rem;
  cursor:pointer;width:40px;height:40px;
  border-radius:8px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.06)}
/* ===== Page Banner ===== */
.page-banner{
  position:relative;padding:140px 0 88px;
  background-image:linear-gradient(to right,rgba(8,13,24,.94),rgba(8,13,24,.72)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(255,255,255,.06);
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:120px;
  background:linear-gradient(to top,var(--bg-deep),transparent);
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:500;color:var(--cyan-energy);
  background:rgba(34,224,168,.12);
  border:1px solid rgba(34,224,168,.25);
  border-radius:999px;padding:6px 16px;margin-bottom:20px;
  letter-spacing:.08em;text-transform:uppercase;
}
.banner-tag i{font-size:.75rem}
.page-banner h1{
  font-size:2.75rem;font-weight:800;line-height:1.15;
  color:var(--text-primary);margin-bottom:20px;
  max-width:560px;
}
.page-banner h1 .highlight{
  color:var(--cyan-energy);
  text-shadow:0 0 30px rgba(34,224,168,.4);
}
.page-banner .banner-desc{
  font-size:1.0625rem;color:var(--text-secondary);
  line-height:1.8;max-width:560px;margin-bottom:32px;
}
.banner-info-card{
  background:var(--glass-bg);
  border:var(--glass-border);
  border-radius:var(--radius-card);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  padding:28px;box-shadow:var(--shadow-card);
  position:relative;
}
.banner-info-card::before{
  content:"";position:absolute;top:0;left:20px;right:20px;
  height:1px;background:rgba(255,255,255,.2);
}
.banner-info-card h3{
  font-size:1.0625rem;font-weight:700;color:var(--text-primary);
  margin-bottom:18px;display:flex;align-items:center;gap:10px;
}
.banner-info-card h3 i{color:var(--cyan-energy)}
.banner-info-list{display:flex;flex-direction:column;gap:14px}
.banner-info-item{
  display:flex;align-items:center;gap:12px;
  font-size:.875rem;color:var(--text-secondary);line-height:1.5;
}
.banner-info-item i{
  width:30px;height:30px;border-radius:8px;
  background:rgba(34,224,168,.1);
  border:1px solid rgba(34,224,168,.2);
  color:var(--cyan-energy);
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;flex-shrink:0;
}
/* ===== Stats ===== */
.stats-section{
  background:var(--bg-deep);
  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{
  background:var(--bg-panel);
  border:var(--glass-border);
  border-radius:var(--radius-card);
  padding:28px 24px;
  text-align:center;
  position:relative;
  overflow:hidden;
  transition:all .25s ease;
}
.stat-item::after{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:60px;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan-energy),transparent);
  opacity:0;transition:opacity .3s ease;
}
.stat-item:hover::after{opacity:1}
.stat-item:hover{transform:translateY(-3px)}
.stat-icon{
  width:48px;height:48px;margin:0 auto 14px;
  border-radius:12px;background:rgba(34,224,168,.1);
  border:1px solid rgba(34,224,168,.2);
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan-energy);font-size:1.125rem;
}
.stat-num{
  font-size:1.75rem;font-weight:800;color:var(--text-primary);
  line-height:1.2;margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.stat-num span{color:var(--cyan-energy)}
.stat-label{
  font-size:.875rem;color:var(--text-secondary);
  line-height:1.4;
}
/* ===== Sports Category Cards ===== */
.sports-category{
  background:var(--bg-deep);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.sports-card{
  position:relative;border-radius:var(--radius-card);
  overflow:hidden;background:var(--bg-panel);
  border:var(--glass-border);
  box-shadow:var(--shadow-card);
  transition:all .25s cubic-bezier(.4,0,.2,1);
  height:100%;
}
.sports-card:hover{
  transform:translateY(-4px);
  box-shadow:0 0 0 1px rgba(34,224,168,.35),0 20px 60px -30px rgba(34,224,168,.35);
}
.sports-card .card-media{
  position:relative;overflow:hidden;aspect-ratio:16/9;
}
.sports-card .card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.4,0,.2,1);
}
.sports-card:hover .card-media img{transform:scale(1.04)}
.sports-card .card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,13,24,.85),transparent 65%);
}
.card-tag{
  position:absolute;top:16px;left:16px;z-index:2;
}
.card-body{padding:24px}
.card-body h3{
  font-size:1.25rem;font-weight:650;color:var(--text-primary);
  margin-bottom:10px;line-height:1.4;
}
.card-body p{
  font-size:.9375rem;color:var(--text-secondary);
  line-height:1.6;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.card-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;font-weight:600;color:var(--cyan-energy);
  transition:gap .25s ease;
}
.card-link:hover{color:var(--cyan-energy);gap:12px}
.sports-card-lg .card-media{aspect-ratio:10/9}
.sports-card-sm .card-body{padding:18px}
.sports-card-sm h3{font-size:1.0625rem;margin-bottom:6px}
.sports-card-sm p{font-size:.8125rem;margin-bottom:12px;-webkit-line-clamp:1}
/* ===== Flow ===== */
.flow-section{
  background:linear-gradient(to bottom,var(--bg-deep),var(--bg-panel) 120%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  counter-reset:flow;
}
.flow-step{
  position:relative;padding:32px 24px 24px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-card);
  transition:all .25s ease;
}
.flow-step::before{
  counter-increment:flow;
  content:"0" counter(flow);
  position:absolute;top:14px;right:20px;
  font-size:2.5rem;font-weight:800;line-height:1;
  color:rgba(255,255,255,.06);
  font-variant-numeric:tabular-nums;
  transition:color .3s ease;
}
.flow-step:hover{background:rgba(255,255,255,.05)}
.flow-step:hover::before{color:rgba(34,224,168,.18)}
.flow-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(34,224,168,.1);
  border:1px solid rgba(34,224,168,.2);
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan-energy);font-size:1.125rem;
  margin-bottom:18px;
}
.flow-step h3{
  font-size:1.0625rem;font-weight:650;color:var(--text-primary);
  margin-bottom:10px;
}
.flow-step p{
  font-size:.875rem;color:var(--text-secondary);
  line-height:1.7;
}
.flow-line{
  position:absolute;top:40px;left:calc(100% - 10px);width:20px;
  border-top:1px dashed rgba(34,224,168,.25);
  display:none;
}
.flow-step:not(:last-child) .flow-line{display:block}
@media(min-width:992px){
  .flow-step:not(:last-child) .flow-line{width:28px;left:calc(100% - 4px)}
}
/* ===== FAQ ===== */
.faq-section{
  background:var(--bg-deep);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius-card);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.accordion-item:not(.show){
  border-left:2px solid rgba(255,255,255,.08);
}
.accordion-item.show{
  border-left:2px solid var(--cyan-energy);
  box-shadow:0 0 0 1px rgba(34,224,168,.15),0 16px 40px -20px rgba(34,224,168,.2);
}
.accordion-header{margin:0}
.accordion-button{
  width:100%;background:transparent;border:none;
  padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;color:var(--text-primary);
  font-size:1rem;font-weight:600;text-align:left;
  cursor:pointer;transition:all .25s ease;line-height:1.4;
}
.accordion-button:hover{color:var(--cyan-energy)}
.accordion-button .faq-icon{
  width:26px;height:26px;border-radius:50%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:.75rem;color:var(--text-secondary);
  transition:all .35s ease;
}
.accordion-button:not(.collapsed) .faq-icon{
  transform:rotate(180deg);
  background:rgba(34,224,168,.15);
  border-color:rgba(34,224,168,.3);
  color:var(--cyan-energy);
}
.accordion-button:focus{
  outline:none;box-shadow:none;
}
.accordion-collapse{transition:all .3s ease}
.accordion-body{
  padding:0 24px 24px;
  color:var(--text-secondary);
  font-size:.9375rem;line-height:1.8;
}
/* ===== CTA ===== */
.cta-section{
  background:var(--bg-deep);
  padding:72px 0;
}
.cta-panel{
  position:relative;
  background:var(--bg-panel);
  border:var(--glass-border);
  border-radius:calc(var(--radius-card) + 8px);
  padding:64px 48px;
  text-align:center;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";position:absolute;top:-60px;left:50%;
  transform:translateX(-50%);
  width:320px;height:120px;
  background:radial-gradient(ellipse,rgba(34,224,168,.25),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:1.875rem;font-weight:800;color:var(--text-primary);
  margin-bottom:16px;position:relative;z-index:1;
}
.cta-panel p{
  font-size:1rem;color:var(--text-secondary);
  max-width:520px;margin:0 auto 32px;position:relative;z-index:1;
  line-height:1.7;
}
.cta-panel .btn-glow{
  animation:cta-breathe 2.4s ease-in-out infinite;
  position:relative;z-index:1;
}
@keyframes cta-breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(34,224,168,.4)}
  50%{box-shadow:0 0 0 12px rgba(34,224,168,.06)}
}
/* ===== Footer ===== */
.site-footer{
  background:#070C15;
  border-top:1px solid rgba(255,255,255,.06);
  padding:72px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;margin-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{
  font-size:.875rem;color:var(--text-secondary);
  line-height:1.7;margin-top:16px;max-width:280px;
}
.footer-col h4{
  font-size:.9375rem;font-weight:600;color:var(--text-primary);
  margin-bottom:20px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  font-size:.875rem;color:var(--text-secondary);
  transition:color .25s ease;
}
.footer-col ul a:hover{color:var(--cyan-energy)}
.footer-col ul li{
  font-size:.875rem;color:var(--text-secondary);
  line-height:1.6;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding-top:28px;
  text-align:center;
}
.footer-bottom p{
  font-size:.8125rem;color:var(--text-muted);
  line-height:1.6;
}
/* ===== Responsive ===== */
@media(max-width:1199px){
  .container{padding-left:24px;padding-right:24px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
  .nav-toggle{
    display:flex;align-items:center;justify-content:center;
  }
  .header-actions .status-pill,
  .header-actions .countdown-pill{
    display:none;
  }
  .main-nav.open{
    display:block;
    position:fixed;top:72px;left:0;right:0;z-index:1070;
    background:rgba(8,13,24,.98);
    border-bottom:1px solid rgba(255,255,255,.08);
    padding:16px 24px 24px;
    backdrop-filter:blur(20px);
  }
  .main-nav.open ul{
    flex-direction:column;gap:8px;align-items:stretch;
  }
  .main-nav.open a{
    display:block;padding:14px 16px;
    border-radius:10px;font-size:1rem;
    background:rgba(255,255,255,.03);
  }
  .main-nav.open a::after{display:none}
  .main-nav.open li.active a{
    background:rgba(34,224,168,.1);
    color:var(--cyan-energy);
  }
  .main-nav.open .status-pill,
  .main-nav.open .countdown-pill{
    display:flex;margin-top:8px;
  }
}
@media(max-width:991px){
  .section{padding:64px 0}
  .page-banner{padding:120px 0 64px}
  .page-banner h1{font-size:2.25rem}
  .banner-info-card{margin-top:40px}
  .sports-card .card-media{aspect-ratio:16/9}
}
@media(max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-item{padding:24px 16px}
  .flow-steps{grid-template-columns:1fr;gap:16px}
  .flow-step .flow-line{display:none}
  .section-head h2{font-size:1.5rem}
  .cta-panel{padding:48px 24px}
  .cta-panel h2{font-size:1.5rem}
  .btn-glow,.btn-ghost{width:100%;padding:14px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .page-banner{padding:110px 0 48px}
  .page-banner h1{font-size:1.9rem}
}
@media(max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .page-banner{padding:100px 0 40px}
  .page-banner h1{font-size:1.75rem;line-height:1.2}
  .stats-grid{gap:12px}
  .stat-item{padding:20px 12px}
  .stat-num{font-size:1.4rem}
  .stat-label{font-size:.8125rem}
  .sports-card .card-media{aspect-ratio:16/10}
  .card-body{padding:18px}
  .accordion-button{padding:16px 18px}
  .accordion-body{padding:0 18px 18px}
  .cta-panel{padding:40px 20px}
}

/* roulang page: category4 */
:root {
  --bg-deep: #080D18;
  --bg-panel: #0F172A;
  --blue-tech: #2F6EF5;
  --cyan-energy: #22E0A8;
  --amber-event: #F5B842;
  --text-primary: #F4F8FF;
  --text-secondary: #9AA8C0;
  --text-muted: #66748C;
  --card-bg: rgba(255, 255, 255, 0.045);
  --card-border: 1px solid rgba(255, 255, 255, 0.08);
  --section-line: 1px solid rgba(255, 255, 255, 0.06);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --shadow-card: 0 20px 40px -24px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 0 1px rgba(34, 224, 168, 0.35), 0 20px 60px -30px rgba(34, 224, 168, 0.35);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--cyan-energy);
}

button,
input {
  font-family: inherit;
}

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

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  height: 72px;
  background: rgba(8, 13, 24, 0.78);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header .container {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(47, 110, 245, 0.25), rgba(34, 224, 168, 0.25));
  border: 1px solid rgba(34, 224, 168, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-energy);
  font-size: 16px;
  box-shadow: 0 0 18px rgba(34, 224, 168, 0.25);
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  position: relative;
}

.brand-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: var(--cyan-energy);
  border: 1px solid rgba(34, 224, 168, 0.4);
  border-radius: var(--radius-tag);
  padding: 1px 7px;
  margin-left: 5px;
  vertical-align: super;
  line-height: 1.4;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--text-secondary);
  border-radius: 8px;
  position: relative;
}

.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

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

.main-nav li.active a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-tech), var(--cyan-energy));
  box-shadow: 0 0 10px rgba(34, 224, 168, 0.5);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-tag);
  padding: 5px 14px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-energy);
  animation: breathe 2s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 224, 168, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(34, 224, 168, 0); }
}

.countdown-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--amber-event);
  border: 1px solid rgba(245, 184, 66, 0.35);
  background: rgba(245, 184, 66, 0.06);
  border-radius: var(--radius-tag);
  padding: 5px 14px;
  font-variant-numeric: tabular-nums;
}

.btn-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 9px 22px;
  box-shadow: 0 0 20px rgba(34, 224, 168, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn-glow:hover {
  color: #fff;
  filter: brightness(1.08);
  box-shadow: 0 0 28px rgba(34, 224, 168, 0.45);
  transform: translateY(-1px);
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  padding: 160px 0 90px;
  background: linear-gradient(180deg, rgba(8, 13, 24, 0.55), var(--bg-deep) 92%), url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
  border-bottom: 1px solid var(--section-line);
}

.hero-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-energy);
  border: 1px solid rgba(34, 224, 168, 0.3);
  background: rgba(34, 224, 168, 0.06);
  border-radius: var(--radius-tag);
  padding: 6px 16px;
  margin-bottom: 22px;
  letter-spacing: 0.3px;
}

.category-hero h1 {
  font-size: 3rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 22px;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.category-hero h1 span {
  color: var(--cyan-energy);
  text-shadow: 0 0 30px rgba(34, 224, 168, 0.35);
}

.category-hero .hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 34px;
  line-height: 1.9;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 30px;
  box-shadow: 0 0 24px rgba(34, 224, 168, 0.3);
  transition: transform 0.2s ease, box-shadow 0.25s ease, filter 0.2s ease;
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.08);
  box-shadow: 0 0 36px rgba(34, 224, 168, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  transition: all 0.25s ease;
}

.btn-ghost:hover {
  color: var(--cyan-energy);
  border-color: rgba(34, 224, 168, 0.45);
  background: rgba(34, 224, 168, 0.06);
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  min-width: 340px;
}

.stat-card {
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--radius-card);
  padding: 24px 18px;
  text-align: center;
  backdrop-filter: blur(14px) saturate(130%);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan-energy);
  line-height: 1.2;
  text-shadow: 0 0 20px rgba(34, 224, 168, 0.35);
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 6px;
  line-height: 1.5;
}

/* ===== Section Head ===== */
.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 46px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-energy);
  border: 1px solid rgba(34, 224, 168, 0.3);
  background: rgba(34, 224, 168, 0.06);
  border-radius: var(--radius-tag);
  padding: 5px 16px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-head h2 {
  font-size: 2rem;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-head p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Table Section ===== */
.table-section {
  padding: 90px 0 70px;
}

.table-wrap {
  background: var(--bg-panel);
  border: var(--card-border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--text-primary);
}

.custom-table thead th {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan-energy);
  background: rgba(34, 224, 168, 0.04);
  border-bottom: 1px solid rgba(34, 224, 168, 0.2);
  padding: 16px 20px;
  text-align: left;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.custom-table thead th:first-child {
  border-radius: 10px 0 0 0;
}

.custom-table thead th:last-child {
  border-radius: 0 10px 0 0;
}

.custom-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.custom-table tbody tr:last-child td {
  border-bottom: none;
}

.custom-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.custom-table .table-cat {
  color: var(--text-primary);
  font-weight: 600;
}

.custom-table .table-link {
  color: var(--cyan-energy);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.custom-table .table-link:hover {
  color: var(--amber-event);
}

/* ===== Gallery Section ===== */
.gallery-section {
  padding: 70px 0 80px;
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.5), transparent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: var(--card-border);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.25s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.gallery-item img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item figcaption {
  padding: 16px 18px 18px;
}

.gallery-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.gallery-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ===== Steps Section ===== */
.steps-section {
  padding: 80px 0;
}

.steps-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.steps-visual {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: var(--card-border);
  box-shadow: var(--shadow-card);
  position: relative;
}

.steps-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(8, 13, 24, 0.7));
}

.steps-visual img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
}

.steps-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.steps-content > p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.steps-list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
}

.steps-list li {
  position: relative;
  padding: 18px 0 18px 62px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.steps-list li:last-child {
  border-bottom: none;
}

.step-num {
  position: absolute;
  left: 0;
  top: 18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 224, 168, 0.1);
  border: 1px solid rgba(34, 224, 168, 0.35);
  color: var(--cyan-energy);
  font-size: 15px;
  font-weight: 700;
}

.steps-list h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.steps-list p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.step-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan-energy);
  font-weight: 500;
  font-size: 0.95rem;
}

.step-more:hover {
  color: var(--amber-event);
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 70px 0 90px;
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.45), transparent);
}

.custom-accordion {
  max-width: 860px;
  margin: 0 auto;
}

.custom-accordion .accordion-item {
  background: var(--card-bg);
  border: var(--card-border);
  border-radius: var(--radius-card) !important;
  margin-bottom: 16px;
  overflow: hidden;
  backdrop-filter: blur(14px) saturate(130%);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.custom-accordion .accordion-item:focus-within,
.custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  box-shadow: var(--shadow-glow);
  border-color: rgba(34, 224, 168, 0.3);
}

.custom-accordion .accordion-button {
  background: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none;
  border: none;
  transition: color 0.2s ease;
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: rgba(34, 224, 168, 0.04);
  color: var(--cyan-energy);
  box-shadow: inset 2px 0 0 var(--cyan-energy);
}

.custom-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(34, 224, 168, 0.3);
  outline-offset: -2px;
}

.custom-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2322E0A8'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform 0.3s ease;
}

.custom-accordion .accordion-body {
  padding: 4px 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(180deg, var(--bg-deep), rgba(15, 23, 42, 0.55) 50%, var(--bg-deep)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  text-align: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(34, 224, 168, 0.15), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 34px;
  line-height: 1.8;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--blue-tech), var(--cyan-energy));
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-btn);
  padding: 15px 42px;
  box-shadow: 0 0 24px rgba(34, 224, 168, 0.35);
  animation: btnGlow 2.4s ease-in-out infinite;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn-cta:hover {
  color: #fff;
  filter: brightness(1.08);
  transform: translateY(-2px) scale(1.02);
}

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

@keyframes btnGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(34, 224, 168, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(34, 224, 168, 0.6);
  }
}

/* ===== Footer ===== */
.site-footer {
  background: #070C15;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 70px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
  margin: 16px 0 0;
}

.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 li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

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

.footer-col li:last-child {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .container {
    padding: 0 24px;
  }

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

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

  .hero-stats {
    min-width: 0;
    max-width: 520px;
  }
}

@media (max-width: 991px) {
  .site-header {
    height: auto;
  }

  .site-header .container {
    height: 72px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(8, 13, 24, 0.97);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 10px 24px 18px;
    backdrop-filter: blur(20px);
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }

  .main-nav a {
    padding: 13px 14px;
    font-size: 16px;
    border-radius: 10px;
  }

  .main-nav li.active a::after {
    display: none;
  }

  .main-nav li.active a {
    background: rgba(34, 224, 168, 0.07);
  }

  .status-pill,
  .countdown-pill {
    display: none;
  }

  .category-hero {
    padding: 130px 0 70px;
  }

  .category-hero h1 {
    font-size: 2.4rem;
  }

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

  .steps-visual img {
    min-height: 260px;
  }

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

@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }

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

  .category-hero h1 {
    font-size: 2.1rem;
  }

  .category-hero .hero-desc {
    font-size: 0.96rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .section-head h2 {
    font-size: 1.5rem;
  }

  .table-section,
  .gallery-section,
  .steps-section,
  .faq-section,
  .cta-section {
    padding: 60px 0;
  }

  .table-wrap {
    padding: 16px;
  }

  .custom-table thead th,
  .custom-table tbody td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

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

  .gallery-item img {
    height: 210px;
  }

  .cta-section {
    padding: 70px 0;
  }

  .cta-inner h2 {
    font-size: 1.6rem;
  }

  .btn-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 575px) {
  .container {
    padding: 0 16px;
  }

  .category-hero h1 {
    font-size: 1.9rem;
  }

  .hero-stats {
    min-width: 0;
    gap: 10px;
  }

  .stat-card {
    padding: 16px 10px;
  }

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

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

  .custom-table {
    min-width: 520px;
  }

  .custom-accordion .accordion-button {
    font-size: 0.92rem;
    padding: 16px 18px;
  }

  .custom-accordion .accordion-body {
    padding: 4px 18px 18px;
    font-size: 0.88rem;
  }
}