/* roulang page: index */
:root {
  --ink: #0d0a17;
  --panel: #16122a;
  --surface: #1c1835;
  --primary: #7c5cff;
  --primary-dark: #5b3df5;
  --neon: #00d4a8;
  --flame: #ff9f43;
  --magenta: #bc4bff;
  --text: #f5f3ff;
  --muted: #b8b0cc;
  --dim: #7a7193;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 1rem;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Inter, system-ui, -apple-system, sans-serif;
  background: var(--ink);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}
input, select, textarea {
  font-family: inherit;
  font-size: 15px;
}
ul, ol {
  list-style: none;
}
:focus-visible {
  outline: 2px solid rgba(124, 92, 255, 0.9);
  outline-offset: 3px;
}

.container-custom {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) {
  .container-custom {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .container-custom {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.section {
  padding: 4rem 0;
}
@media (min-width: 768px) {
  .section {
    padding: 6rem 0;
  }
}
.section-alt {
  background: var(--panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 768px) {
  .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 3rem;
  }
}
.section-head.centered {
  text-align: center;
  justify-content: center;
  align-items: center;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
@media (min-width: 768px) {
  .section-head h2 {
    font-size: 32px;
  }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--neon);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--neon));
}

.text-gradient {
  background: linear-gradient(135deg, #a78bfa, var(--neon));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  height: 48px;
  padding: 0 1.75rem;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--magenta));
  box-shadow: 0 8px 30px rgba(124, 92, 255, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(124, 92, 255, 0.45);
  filter: brightness(1.05);
}
.btn-ghost {
  color: var(--text);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.55);
}
.btn-flame {
  color: #1a120c;
  background: linear-gradient(135deg, var(--flame), #ff5e7a);
  box-shadow: 0 8px 30px rgba(255, 159, 67, 0.28);
}
.btn-flame:hover {
  box-shadow: 0 0 30px rgba(255, 159, 67, 0.5);
  filter: brightness(1.05);
}
.btn-block {
  width: 100%;
  height: 52px;
}
.btn-sm {
  height: 40px;
  padding: 0 1.25rem;
  font-size: 14px;
}
.btn-lg {
  height: 52px;
  padding: 0 2.25rem;
  font-size: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  background: rgba(124, 92, 255, 0.12);
  color: #c4b5fd;
  border-color: rgba(124, 92, 255, 0.35);
}
.badge-neon {
  background: rgba(0, 212, 168, 0.12);
  color: var(--neon);
  border-color: rgba(0, 212, 168, 0.35);
}
.badge-flame {
  background: rgba(255, 159, 67, 0.14);
  color: var(--flame);
  border-color: rgba(255, 159, 67, 0.35);
}
.badge-current {
  background: rgba(0, 212, 168, 0.15);
  color: #2dd4bf;
  border-color: rgba(0, 212, 168, 0.45);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 10, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--magenta) 50%, var(--neon));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}
.main-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}
@media (min-width: 1200px) {
  .main-nav {
    display: flex;
  }
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 1rem;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.2s ease;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.nav-link.active {
  color: #fff;
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--neon));
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.mega-trigger {
  position: relative;
}
.mega-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  height: 40px;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.mega-btn:hover {
  color: #fff;
  background: rgba(124, 92, 255, 0.16);
  border-color: rgba(124, 92, 255, 0.4);
}
.mega-btn svg {
  transition: transform 0.2s ease;
}
.mega-trigger:hover .mega-btn svg,
.mega-trigger.open .mega-btn svg {
  transform: rotate(180deg);
}
.mega-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: min(720px, calc(100vw - 2rem));
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 60;
}
.mega-trigger:hover .mega-panel,
.mega-trigger.open .mega-panel {
  display: block;
}
.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 260px;
  gap: 2rem;
}
@media (max-width: 1100px) {
  .mega-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.mega-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.mega-category {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.5rem;
  border-radius: 0.75rem;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: all 0.2s ease;
}
.mega-category span {
  font-size: 12px;
  font-weight: 400;
  color: var(--dim);
}
.mega-category:hover {
  background: rgba(124, 92, 255, 0.12);
  color: #fff;
  transform: translateX(4px);
}
.mega-news-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: 0.75rem;
  transition: background 0.2s ease;
}
.mega-news-item:hover {
  background: rgba(124, 92, 255, 0.12);
}
.mega-news-item .mega-thumb {
  width: 56px;
  height: 40px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}
.mega-news-item .mega-text {
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
}
.mega-news-item time {
  display: block;
  font-size: 12px;
  color: var(--dim);
  margin-top: 0.15rem;
}
.mega-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 220px;
  padding: 1.25rem;
  border-radius: 1rem;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.mega-feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 10, 23, 0.1), rgba(13, 10, 23, 0.92));
}
.mega-feature:hover {
  border-color: rgba(124, 92, 255, 0.6);
  box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2);
}
.mega-feature > span {
  position: relative;
  z-index: 1;
  color: #fff;
}
.mega-feature .mega-feature-title {
  font-size: 18px;
  font-weight: 700;
}
.mega-feature .mega-feature-link {
  font-size: 14px;
  color: var(--neon);
  margin-top: 0.5rem;
}
.mobile-menu-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
@media (min-width: 1200px) {
  .mobile-menu-btn {
    display: none;
  }
  .mega-trigger {
    display: block;
  }
}
@media (max-width: 1199.98px) {
  .mega-trigger {
    display: none;
  }
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 100%);
  height: 100vh;
  z-index: 90;
  background: var(--surface);
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
  overflow-y: auto;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.mobile-menu-btn-close {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: #fff;
}
.mobile-menu a {
  display: block;
  padding: 0.85rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s ease;
}
.mobile-menu a:hover {
  background: rgba(124, 92, 255, 0.12);
}
.mobile-menu .mobile-menu-note {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.7;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4rem;
}
@media (min-width: 768px) {
  .hero {
    padding: 7rem 0 5.5rem;
  }
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 10, 23, 0.92), rgba(124, 92, 255, 0.4));
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(100deg, #000, transparent 70%);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}
.hero-copy h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 1.25rem 0 1.1rem;
  color: #fff;
}
@media (min-width: 768px) {
  .hero-copy h1 {
    font-size: 52px;
  }
}
.hero-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 1.75rem;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 560px;
}
@media (min-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}
.hero-stat {
  background: rgba(22, 18, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1rem 0.75rem;
  text-align: center;
}
.hero-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, #a78bfa, var(--neon));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stat span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 0.3rem;
}
.hero-visual {
  position: relative;
}
.hero-visual img {
  width: 100%;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px rgba(124, 92, 255, 0.25);
}
.hero-card-float {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-radius: 1rem;
  background: rgba(13, 10, 23, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: #fff;
}
.hero-card-float .float-title {
  font-size: 14px;
  font-weight: 700;
}
.hero-card-float .float-sub {
  font-size: 12px;
  color: var(--neon);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
  }
}
.timeline-item {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  transition: all 0.25s ease;
}
.timeline-item:hover {
  border-color: rgba(124, 92, 255, 0.4);
  transform: translateY(-4px);
}
.timeline-item.timeline-current {
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 20px 50px rgba(124, 92, 255, 0.18);
  transform: translateY(-6px);
}
.timeline-time {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--flame);
  margin-bottom: 0.5rem;
}
.timeline-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: #fff;
}
.timeline-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}
@media (min-width: 768px) {
  .timeline-item::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -1.25rem;
    width: 1.25rem;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
  }
  .timeline-item:last-child::before {
    display: none;
  }
}

.guests-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 1024px) {
  .guests-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }
}
.guest-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .guest-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
.guest-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  transition: all 0.25s ease;
}
.guest-card:hover {
  border-color: rgba(124, 92, 255, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2);
}
.guest-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 2px solid rgba(124, 92, 255, 0.5);
  transition: box-shadow 0.25s ease;
}
.guest-card:hover .guest-avatar {
  box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.2);
}
.guest-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}
.guest-role {
  display: block;
  font-size: 13px;
  color: var(--neon);
  margin: 0.25rem 0 0.75rem;
}
.guest-quote {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  border-left: 3px solid rgba(124, 92, 255, 0.6);
  padding-left: 0.75rem;
}
.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.highlight-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  transition: all 0.25s ease;
}
.highlight-item:hover {
  background: rgba(124, 92, 255, 0.12);
  border-color: rgba(124, 92, 255, 0.4);
  transform: translateX(4px);
}
.highlight-num {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--neon));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
}
.highlight-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}
.highlight-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.ticket-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 1024px) {
  .ticket-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}
.ticket-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  transition: all 0.25s ease;
}
.ticket-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 92, 255, 0.5);
  box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2);
}
.ticket-card.featured {
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.15), rgba(0, 212, 168, 0.08)), var(--surface);
  border-color: rgba(124, 92, 255, 0.6);
  box-shadow: 0 24px 60px rgba(124, 92, 255, 0.22);
}
@media (min-width: 1024px) {
  .ticket-card.featured {
    transform: translateY(-20px);
  }
  .ticket-card.featured:hover {
    transform: translateY(-24px);
  }
}
.ticket-card .ticket-flag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--flame), #ff5e7a);
  color: #1a120c;
  font-size: 12px;
  font-weight: 800;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  white-space: nowrap;
}
.ticket-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.ticket-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}
.ticket-price strong {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--flame), #ffd166);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ticket-price span {
  font-size: 14px;
  color: var(--dim);
}
.ticket-benefits {
  flex: 1;
  margin-bottom: 1.25rem;
}
.ticket-benefits li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.ticket-benefits li svg {
  flex-shrink: 0;
  margin-top: 0.25rem;
  color: var(--neon);
}

.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: 2rem;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--magenta) 45%, var(--neon) 120%);
  color: #fff;
}
@media (min-width: 768px) {
  .cta-banner {
    padding: 3rem;
  }
}
.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  opacity: 0.14;
  mix-blend-mode: overlay;
}
.cta-banner-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .cta-banner-inner {
    grid-template-columns: 1fr 400px;
    gap: 3rem;
  }
}
.cta-banner h2 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
}
@media (min-width: 768px) {
  .cta-banner h2 {
    font-size: 36px;
  }
}
.cta-banner p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
}
.register-form {
  background: #fff;
  color: #16122a;
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}
.register-form h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #16122a;
}
.register-form p {
  font-size: 13px;
  color: #7a7193;
  margin-bottom: 1rem;
}
.form-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}
.form-item label {
  font-size: 13px;
  font-weight: 600;
  color: #1c1835;
}
.form-item input,
.form-item select,
.form-item textarea {
  height: 46px;
  border-radius: 12px;
  background: rgba(13, 10, 23, 0.04);
  border: 1px solid rgba(13, 10, 23, 0.12);
  padding: 0 1rem;
  color: #16122a;
  transition: all 0.2s ease;
}
.form-item textarea {
  height: 80px;
  padding-top: 0.75rem;
  resize: none;
}
.form-item input:focus,
.form-item select:focus,
.form-item textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.15);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  overflow: hidden;
  transition: all 0.25s ease;
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 92, 255, 0.5);
  box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2);
}
.news-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.news-thumb {
  height: 180px;
  background-size: cover;
  background-position: center;
  transition: transform 0.3s ease;
}
.news-card:hover .news-thumb {
  transform: scale(1.03);
}
.news-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.25rem;
  flex: 1;
}
.news-body .badge {
  margin-bottom: 0.6rem;
}
.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-body h3:hover {
  color: var(--neon);
}
.news-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-time {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 12px;
  color: var(--dim);
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: all 0.2s ease;
}
.more-link:hover {
  color: var(--neon);
}

.empty-state {
  border: 1px dashed rgba(255, 255, 255, 0.2);
  background: var(--panel);
  border-radius: 1rem;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--dim);
  font-size: 15px;
}

.faq-list {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  margin-bottom: 0.9rem;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item:hover {
  border-color: rgba(124, 92, 255, 0.4);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.35rem;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary svg {
  flex-shrink: 0;
  transition: transform 0.25s ease;
  color: var(--dim);
}
.faq-item[open] summary {
  background: rgba(124, 92, 255, 0.08);
}
.faq-item[open] summary svg {
  transform: rotate(180deg);
}
.faq-body {
  padding: 0 1.35rem 1.25rem;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.site-footer {
  background: var(--ink);
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--primary), var(--magenta), var(--neon)) 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3rem 0 2rem;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 3rem;
  }
}
.footer-brand .logo-text {
  font-size: 20px;
}
.footer-desc {
  margin-top: 1rem;
  font-size: 14px;
  color: var(--dim);
  line-height: 1.8;
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all 0.2s ease;
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.footer-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-links li {
  margin-bottom: 0.6rem;
}
.footer-links a {
  font-size: 14px;
  color: var(--dim);
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--neon);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--dim);
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* roulang page: category1 */
@theme {
    --color-ink: #0d0a17;
    --color-panel: #16122a;
    --color-surface: #1c1835;
    --color-primary: #7c5cff;
    --color-primary-deep: #5b3df5;
    --color-magenta: #bc4bff;
    --color-neon: #00d4a8;
    --color-flame: #ff9f43;
  }

:root {
    --ink: #0d0a17;
    --panel: #16122a;
    --surface: #1c1835;
    --primary: #7c5cff;
    --primary-deep: #5b3df5;
    --magenta: #bc4bff;
    --neon: #00d4a8;
    --flame: #ff9f43;
    --text-main: #f5f3ff;
    --text-sub: #b8b0cc;
    --text-weak: #7a7193;
    --border: rgba(255,255,255,0.08);
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
    --shadow-hover: 0 20px 50px rgba(124,92,255,0.25);
  }

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

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background: var(--ink);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

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

  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; object-fit: cover; }
  button, input, select, textarea { font-family: inherit; }

  .gradient-text {
    background: linear-gradient(135deg, #7c5cff 0%, #bc4bff 45%, #00d4a8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }

  .gradient-btn {
    background: linear-gradient(135deg, #7c5cff 0%, #bc4bff 100%);
    transition: all 0.3s ease;
  }
  .gradient-btn:hover {
    box-shadow: 0 0 30px rgba(124,92,255,0.45);
    filter: brightness(1.08);
  }
  .gradient-btn:active { transform: scale(0.98); }

  .flame-btn {
    background: linear-gradient(135deg, #ff9f43 0%, #ff6a3d 100%);
    transition: all 0.3s ease;
  }
  .flame-btn:hover {
    box-shadow: 0 0 30px rgba(255,159,67,0.4);
    filter: brightness(1.05);
  }
  .flame-btn:active { transform: scale(0.98); }

  .outline-btn {
    border: 1px solid rgba(255,255,255,0.25);
    transition: all 0.3s ease;
  }
  .outline-btn:hover {
    border-color: var(--primary);
    background: rgba(124,92,255,0.1);
  }
  .outline-btn:active { transform: scale(0.98); }

  .card-hover {
    transition: all 0.3s ease;
  }
  .card-hover:hover {
    transform: translateY(-6px);
    border-color: rgba(124,92,255,0.5);
    box-shadow: var(--shadow-hover);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 600;
  }

  .badge-neon {
    background: rgba(0,212,168,0.15);
    border: 1px solid rgba(0,212,168,0.35);
    color: var(--neon);
  }

  .badge-flame {
    background: rgba(255,159,67,0.15);
    border: 1px solid rgba(255,159,67,0.35);
    color: var(--flame);
  }

  .badge-primary {
    background: rgba(124,92,255,0.2);
    border: 1px solid rgba(124,92,255,0.35);
    color: #b9a6ff;
  }

  /* ===== Header & Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13,10,23,0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 20px;
  }

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

  .logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #7c5cff, #00d4a8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 17px;
    color: #fff;
    letter-spacing: -0.5px;
  }

  .logo-text {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
  }

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

  .nav-link {
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-sub);
    transition: all 0.25s ease;
    position: relative;
    white-space: nowrap;
  }
  .nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
  }
  .nav-link.active {
    color: #fff;
    background: rgba(124,92,255,0.2);
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, #7c5cff, #00d4a8);
  }

  .mega-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.04);
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
  }
  .mega-trigger:hover {
    border-color: var(--primary);
    background: rgba(124,92,255,0.12);
    color: #fff;
  }
  .mega-trigger svg {
    transition: transform 0.3s ease;
  }
  .mega-trigger.open svg {
    transform: rotate(180deg);
  }

  .mega-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-width: 760px;
    margin: 10px auto 0;
    padding: 24px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    background: #1c1835;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    display: none;
    z-index: 100;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
  .mega-panel.open { display: grid; }

  .mega-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-weak);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
  }

  .mega-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mega-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-sub);
    transition: all 0.2s ease;
  }
  .mega-list a:hover {
    background: rgba(124,92,255,0.1);
    color: #fff;
    transform: translateX(4px);
  }

  .mega-list .mega-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(124,92,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
  }

  .mega-post {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    transition: background 0.2s;
  }
  .mega-post:hover { background: rgba(255,255,255,0.05); }
  .mega-post img {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
  }
  .mega-post .post-info {
    font-size: 13px;
    line-height: 1.4;
    color: var(--text-sub);
  }
  .mega-post .post-info strong {
    display: block;
    color: var(--text-main);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
  }
  .mega-post .post-info span {
    font-size: 12px;
    color: var(--text-weak);
  }

  .mega-card {
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(124,92,255,0.25), rgba(0,212,168,0.15)), url(/assets/images/backpic/back-2.webp) center/cover;
    padding: 20px;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
  }
  .mega-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(13,10,23,0.85));
  }
  .mega-card strong {
    position: relative;
    z-index: 1;
    font-size: 16px;
    color: #fff;
  }
  .mega-card a {
    position: relative;
    z-index: 1;
    font-size: 13px;
    color: var(--neon);
    margin-top: 6px;
  }

  .mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 6px;
  }

  /* ===== Hero ===== */
  .page-hero {
    position: relative;
    background: url(/assets/images/backpic/back-1.png) center/cover no-repeat;
    padding: 80px 0 70px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,10,23,0.92) 20%, rgba(124,92,255,0.45) 100%);
  }
  .page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
  }
  .page-hero .container-custom {
    position: relative;
    z-index: 2;
  }

  .hero-breadcrumb {
    font-size: 13px;
    color: var(--text-weak);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .hero-breadcrumb a { color: var(--text-sub); }
  .hero-breadcrumb a:hover { color: var(--primary); }
  .hero-breadcrumb .sep { opacity: 0.5; }

  .page-hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
  }

  .page-hero .hero-desc {
    font-size: 18px;
    color: var(--text-sub);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 28px;
  }

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

  /* ===== Zigzag section ===== */
  .section-title-area {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    gap: 20px;
    flex-wrap: wrap;
  }
  .section-title-area .section-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
  }
  .section-title-area h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
  }
  .section-title-area .section-sub {
    color: var(--text-sub);
    font-size: 15px;
    max-width: 480px;
  }

  .zigzag-wrap {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .zigzag-item {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 36px;
    align-items: center;
    background: #16122a;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.35s ease;
  }
  .zigzag-item:hover {
    border-color: rgba(124,92,255,0.5);
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
  }

  .zigzag-item.reverse .zigzag-img { order: 2; }
  .zigzag-item.reverse .zigzag-content { order: 1; }

  .zigzag-img {
    min-height: 300px;
    overflow: hidden;
    position: relative;
  }
  .zigzag-img img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .zigzag-item:hover .zigzag-img img { transform: scale(1.04); }
  .zigzag-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(13,10,23,0.45));
  }

  .zigzag-content {
    padding: 36px 32px;
  }

  .zigzag-content .zz-tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(124,92,255,0.2);
    border: 1px solid rgba(124,92,255,0.35);
    color: #b9a6ff;
    margin-bottom: 16px;
  }

  .zigzag-content h3 {
    font-size: 23px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 12px;
  }

  .zigzag-content p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 20px;
  }

  .zigzag-content .zz-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-weak);
    margin-bottom: 18px;
  }

  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    transition: gap 0.25s ease;
  }
  .link-arrow:hover { gap: 14px; color: var(--neon); }

  /* ===== Stats band ===== */
  .stats-band {
    background: linear-gradient(135deg, #16122a 0%, #1c1835 100%);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 56px 0;
  }

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

  .stat-item {
    text-align: center;
    padding: 20px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    transition: border-color 0.3s ease;
  }
  .stat-item:hover { border-color: rgba(124,92,255,0.4); }

  .stat-num {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, #7c5cff, #00d4a8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
  }

  .stat-label {
    font-size: 14px;
    color: var(--text-sub);
    margin-top: 8px;
    letter-spacing: 0.02em;
  }

  /* ===== Tags ===== */
  .tag-section {
    padding: 72px 0;
  }

  .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
  }

  .tag-cloud a {
    padding: 10px 24px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.03);
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.25s ease;
  }
  .tag-cloud a:hover {
    border-color: var(--primary);
    background: rgba(124,92,255,0.12);
    color: #fff;
    transform: translateY(-2px);
  }

  /* ===== CTA ===== */
  .cta-section {
    padding: 72px 0;
  }

  .cta-card {
    background: linear-gradient(135deg, #7c5cff 0%, #bc4bff 50%, #00d4a8 100%);
    border-radius: 28px;
    padding: 48px 56px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
  }

  .cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url(/assets/images/backpic/back-3.png) center/cover no-repeat;
    opacity: 0.2;
    mix-blend-mode: overlay;
  }

  .cta-card .cta-inner {
    position: relative;
    z-index: 1;
  }

  .cta-card h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
  }

  .cta-card p {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    max-width: 420px;
  }

  .cta-card .cta-btn {
    position: relative;
    z-index: 1;
    background: #fff;
    color: #5b3df5;
    padding: 14px 36px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    white-space: nowrap;
  }
  .cta-card .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  }
  .cta-card .cta-btn:active { transform: scale(0.97); }

  /* ===== Footer ===== */
  .site-footer {
    background: #0d0a17;
    border-top: 3px solid;
    border-image: linear-gradient(90deg, #7c5cff, #bc4bff, #00d4a8) 1;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 56px 0 40px;
  }

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

  .footer-desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    max-width: 260px;
    margin-bottom: 20px;
  }

  .footer-social {
    display: flex;
    gap: 10px;
  }

  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    transition: all 0.25s ease;
  }
  .footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
  }

  .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
  }

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

  .footer-links a {
    font-size: 14px;
    color: var(--text-sub);
    transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--primary); }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-weak);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .main-nav { gap: 2px; }
    .nav-link { padding: 8px 12px; font-size: 14px; }
    .mega-trigger span { display: none; }
    .mega-panel { max-width: 600px; grid-template-columns: 1fr 1fr; }
    .mega-card { display: none; }
    .zigzag-item { gap: 20px; }
    .zigzag-content { padding: 28px 24px; }
  }

  @media (max-width: 768px) {
    .container-custom { padding: 0 16px; }
    .header-inner { height: 64px; }
    .main-nav { display: none; }
    .mobile-toggle { display: block; }
    .mega-trigger { display: none; }
    .page-hero { padding: 56px 0 48px; }
    .page-hero h1 { font-size: 34px; }
    .page-hero .hero-desc { font-size: 16px; }
    .zigzag-item { grid-template-columns: 1fr; }
    .zigzag-item.reverse .zigzag-img { order: 1; }
    .zigzag-item.reverse .zigzag-content { order: 2; }
    .zigzag-img { min-height: 220px; }
    .zigzag-img img { min-height: 220px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-num { font-size: 32px; }
    .section-title-area h2 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .cta-card { padding: 36px 24px; }
    .cta-card h2 { font-size: 24px; }
    .cta-card .cta-btn { width: 100%; text-align: center; }
    .mega-panel.open { display: none; }
  }

  @media (max-width: 520px) {
    .page-hero h1 { font-size: 28px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .gradient-btn, .hero-actions .outline-btn { width: 100%; text-align: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .zigzag-content { padding: 24px 18px; }
    .zigzag-content h3 { font-size: 19px; }
    .section-title-area { flex-direction: column; align-items: flex-start; }
    .cta-card { flex-direction: column; align-items: flex-start; }
    .footer-bottom { flex-direction: column; text-align: center; }
  }

  /* Mobile drawer */
  .mobile-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: #16122a;
    z-index: 1000;
    padding: 24px;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
  }
  .mobile-menu.open { right: 0; }

  .mobile-menu .close-btn {
    align-self: flex-end;
    background: none;
    border: none;
    color: var(--text-sub);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
  }

  .mobile-menu a {
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-sub);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background 0.2s;
  }
  .mobile-menu a:hover { background: rgba(124,92,255,0.1); color: #fff; }
  .mobile-menu a.active { color: #fff; background: rgba(124,92,255,0.2); }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 999;
    display: none;
    backdrop-filter: blur(2px);
  }
  .mobile-overlay.active { display: block; }

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

/* roulang page: article */
:root {
            --ink: #0d0a17;
            --panel: #16122a;
            --surface: #1c1835;
            --primary: #7c5cff;
            --primary-dark: #5b3df5;
            --neon: #00d4a8;
            --flame: #ff9f43;
            --magenta: #bc4bff;
            --text-main: #f5f3ff;
            --text-secondary: #b8b0cc;
            --text-muted: #7a7193;
            --border: rgba(255, 255, 255, 0.08);
            --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
            --card-shadow-hover: 0 20px 50px rgba(124, 92, 255, 0.25);
            --glow: 0 0 30px rgba(124, 92, 255, 0.4);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--ink);
            color: var(--text-main);
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
        }

        .line-clamp-3 {
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 3;
            overflow: hidden;
        }

        .badge-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            border-radius: 9999px;
            padding: 0.25rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(124, 92, 255, 0.15);
            border: 1px solid rgba(124, 92, 255, 0.4);
            color: #c4b5fd;
        }

        .badge-neon {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            border-radius: 9999px;
            padding: 0.25rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 212, 168, 0.12);
            border: 1px solid rgba(0, 212, 168, 0.4);
            color: #5eead4;
        }

        .badge-flame {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            border-radius: 9999px;
            padding: 0.25rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 159, 67, 0.15);
            border: 1px solid rgba(255, 159, 67, 0.4);
            color: #fdba74;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 9999px;
            font-weight: 600;
            transition: all 0.3s ease;
            outline: none;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, #7c5cff, #bc4bff);
            color: #fff;
            padding: 0.75rem 2rem;
            box-shadow: 0 4px 20px rgba(124, 92, 255, 0.3);
        }

        .btn-primary:hover {
            box-shadow: var(--glow);
            filter: brightness(1.1);
        }

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

        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-main);
            padding: 0.75rem 1.75rem;
        }

        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.05);
        }

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

        .btn-flame {
            background: linear-gradient(135deg, #ff9f43, #fb7185);
            color: #fff;
            padding: 0.75rem 2rem;
            box-shadow: 0 4px 20px rgba(255, 159, 67, 0.35);
        }

        .btn-flame:hover {
            box-shadow: 0 0 30px rgba(255, 159, 67, 0.5);
            filter: brightness(1.05);
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 10, 23, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .nav-link {
            position: relative;
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            font-size: 0.9375rem;
            color: var(--text-secondary);
            transition: all 0.3s;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-main);
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0.15rem;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--neon));
        }

        .mega-panel {
            position: absolute;
            left: 0;
            right: 0;
            top: 4rem;
            padding-top: 0.5rem;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all 0.3s ease;
            pointer-events: none;
        }

        .mega-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            width: 20rem;
            max-width: 85vw;
            height: 100vh;
            background: var(--panel);
            z-index: 60;
            padding: 2rem 1.5rem;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            overflow-y: auto;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 55;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s;
        }

        .mobile-mask.open {
            opacity: 1;
            visibility: visible;
        }

        .site-footer {
            background: var(--ink);
            border-top: 3px solid transparent;
            border-image: linear-gradient(90deg, #7c5cff, #bc4bff, #00d4a8) 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            padding: 3.5rem 0 2rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr 1fr;
            }
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-main);
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1.25rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            color: var(--text-muted);
            font-size: 0.8125rem;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-top: 0.875rem;
        }

        .footer-social {
            display: flex;
            gap: 0.625rem;
            margin-top: 1.25rem;
        }

        .footer-social a {
            width: 2.25rem;
            height: 2.25rem;
            border-radius: 9999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all 0.3s;
        }

        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===== 文章页专属样式 ===== */
        .article-hero {
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 10, 23, 0.92), rgba(13, 10, 23, 0.75), rgba(124, 92, 255, 0.25));
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.35rem;
            font-size: 0.8125rem;
            color: #8a82a8;
        }

        .breadcrumb a {
            color: #8a82a8;
            transition: color 0.3s;
        }

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

        .breadcrumb .current {
            color: #d8b4fe;
            font-weight: 500;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .article-meta .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .article-content {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 1.5em;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-top: 2.2em;
            margin-bottom: 0.8em;
            padding-left: 1rem;
            border-left: 4px solid;
            border-image: linear-gradient(180deg, var(--primary), var(--magenta), var(--neon)) 1;
            border-image-slice: 1;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.4;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }

        .article-content img {
            border-radius: 0.75rem;
            margin: 2em 0;
        }

        .article-content ul {
            list-style: none;
            padding: 0;
            margin: 1.5em 0;
        }

        .article-content ul li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.625rem;
        }

        .article-content ul li::before {
            content: '';
            position: absolute;
            left: 0.25rem;
            top: 0.625rem;
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--neon));
        }

        .article-content ol {
            list-style: none;
            counter-reset: article-ol;
            padding: 0;
            margin: 1.5em 0;
        }

        .article-content ol li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 0.625rem;
            counter-increment: article-ol;
        }

        .article-content ol li::before {
            content: counter(article-ol);
            position: absolute;
            left: 0;
            top: 0.25rem;
            width: 1.25rem;
            height: 1.25rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--magenta));
            color: #fff;
            font-size: 0.6875rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--surface);
            border-radius: 0 0.75rem 0.75rem 0;
            padding: 1rem 1.5rem;
            margin: 1.8em 0;
            color: var(--text-secondary);
        }

        .article-content a {
            color: #c4b5fd;
            border-bottom: 1px solid rgba(124, 92, 255, 0.4);
            transition: all 0.3s;
        }

        .article-content a:hover {
            color: var(--neon);
            border-bottom-color: var(--neon);
        }

        .article-content code {
            background: rgba(124, 92, 255, 0.15);
            padding: 0.15em 0.4em;
            border-radius: 0.375rem;
            font-size: 0.9em;
            color: #ddd6fe;
        }

        .article-content pre {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 0.875rem;
            padding: 1.25rem;
            overflow-x: auto;
            margin: 1.8em 0;
        }

        .article-content pre code {
            background: none;
            padding: 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
        }

        .article-content th,
        .article-content td {
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 0.625rem 0.75rem;
            font-size: 0.9375rem;
            text-align: left;
        }

        .article-content th {
            background: rgba(124, 92, 255, 0.15);
            font-weight: 600;
        }

        .not-found-card {
            border-radius: 1rem;
            border: 1px dashed rgba(255, 255, 255, 0.2);
            background: var(--panel);
            padding: 3rem 1.5rem;
            text-align: center;
        }

        .not-found-icon {
            width: 4rem;
            height: 4rem;
            margin: 0 auto 1.25rem;
            border-radius: 9999px;
            background: rgba(124, 92, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .prev-next-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 9999px;
            padding: 0.625rem 1.5rem;
            font-size: 0.875rem;
            color: var(--text-main);
            transition: all 0.3s;
        }

        .prev-next-link:hover {
            border-color: rgba(124, 92, 255, 0.6);
            background: rgba(124, 92, 255, 0.1);
            color: #c4b5fd;
        }

        .related-card {
            border-radius: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: var(--surface);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }

        .related-card:hover {
            border-color: rgba(124, 92, 255, 0.5);
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }

        .cta-card {
            position: relative;
            overflow: hidden;
            border-radius: 2rem;
            background: linear-gradient(135deg, #7c5cff, #bc4bff, #00d4a8);
            padding: 2.5rem;
        }

        @media (min-width: 768px) {
            .cta-card {
                padding: 3.5rem;
            }
        }

        .cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.15;
        }

        .faq-item {
            border-radius: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: var(--surface);
            margin-bottom: 0.75rem;
            overflow: hidden;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 1rem 1.25rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
            transition: background 0.3s;
        }

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

        .faq-item summary:hover {
            background: rgba(124, 92, 255, 0.08);
        }

        .faq-item[open] summary {
            background: rgba(124, 92, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-item .faq-arrow {
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item[open] .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 1rem 1.25rem;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        .form-input {
            width: 100%;
            height: 3rem;
            border-radius: 0.75rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0 1rem;
            font-size: 0.9375rem;
            color: var(--text-main);
            transition: all 0.3s;
        }

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

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2);
        }

        select.form-input option {
            background: var(--surface);
            color: var(--text-main);
        }

/* roulang page: category2 */
:root {
            --ink: #0d0a17;
            --panel: #16122a;
            --surface: #1c1835;
            --primary: #7c5cff;
            --primary-dark: #5b3df5;
            --neon: #00d4a8;
            --flame: #ff9f43;
            --magenta: #bc4bff;
            --text: #f5f3ff;
            --text-2: #b8b0cc;
            --text-3: #7a7193;
            --border: rgba(255, 255, 255, 0.08);
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--ink);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 10, 23, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 2rem;
            }
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            white-space: nowrap;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #7c5cff, #00d4a8);
            color: #fff;
            font-size: 13px;
            font-weight: 900;
            letter-spacing: 0.5px;
            box-shadow: 0 0 18px rgba(124, 92, 255, 0.45);
        }
        .logo-text {
            font-size: 17px;
            color: #fff;
            background: linear-gradient(120deg, #f5f3ff, #b8b0cc);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: #b8b0cc;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-link.active {
            background: rgba(124, 92, 255, 0.18);
            color: #fff;
            box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.35);
        }
        .nav-trigger {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 14px;
            color: #b8b0cc;
            transition: all 0.25s ease;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-trigger:hover {
            border-color: rgba(124, 92, 255, 0.5);
            color: #fff;
            background: rgba(124, 92, 255, 0.1);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 720px;
            max-width: calc(100vw - 2rem);
            background: #1c1835;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
            display: none;
            z-index: 60;
        }
        .mega-panel.open {
            display: block;
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            gap: 24px;
        }
        @media (max-width: 640px) {
            .mega-grid {
                grid-template-columns: 1fr;
            }
        }
        .mega-title {
            font-size: 13px;
            font-weight: 700;
            color: #7a7193;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }
        .mega-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: 10px;
            font-size: 14px;
            color: #b8b0cc;
            transition: all 0.2s ease;
        }
        .mega-list li a:hover {
            color: #fff;
            background: rgba(124, 92, 255, 0.12);
            transform: translateX(4px);
        }
        .mega-news li a {
            display: flex;
            gap: 12px;
            padding: 8px 10px;
            border-radius: 10px;
            align-items: center;
            transition: background 0.2s ease;
        }
        .mega-news li a:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .mega-news img {
            width: 48px;
            height: 48px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .mega-news .text {
            font-size: 13px;
            color: #b8b0cc;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .mega-news .time {
            font-size: 11px;
            color: #7a7193;
            margin-top: 2px;
        }
        .mega-card {
            background: #16122a;
            border-radius: 14px;
            overflow: hidden;
            position: relative;
            min-height: 150px;
            display: flex;
            align-items: flex-end;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mega-card .overlay {
            background: linear-gradient(180deg, transparent, rgba(13, 10, 23, 0.9));
            padding: 16px;
            border-radius: 0 0 14px 14px;
            width: 100%;
        }
        .mega-card .title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .mega-card .link {
            font-size: 13px;
            color: #7c5cff;
            margin-top: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .mobile-menu {
            position: fixed;
            inset: 0;
            background: rgba(13, 10, 23, 0.98);
            z-index: 100;
            padding: 24px;
            display: none;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 20px;
        }
        .mobile-menu .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 17px;
            color: #b8b0cc;
            border-radius: 12px;
            transition: all 0.2s ease;
        }
        .mobile-menu .mobile-nav-link.active {
            color: #fff;
            background: rgba(124, 92, 255, 0.2);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: linear-gradient(135deg, #7c5cff, #bc4bff);
            color: #fff;
            box-shadow: 0 4px 20px rgba(124, 92, 255, 0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(124, 92, 255, 0.5);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.06);
        }
        .btn-flame {
            background: linear-gradient(135deg, #ff9f43, #ff6a5b);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 159, 67, 0.35);
        }
        .btn-flame:hover {
            box-shadow: 0 0 30px rgba(255, 159, 67, 0.5);
            transform: translateY(-1px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-live {
            background: rgba(0, 212, 168, 0.15);
            color: #00d4a8;
            border: 1px solid rgba(0, 212, 168, 0.3);
        }
        .badge-hot {
            background: rgba(255, 159, 67, 0.15);
            color: #ff9f43;
            border: 1px solid rgba(255, 159, 67, 0.3);
        }
        .badge-new {
            background: rgba(124, 92, 255, 0.15);
            color: #a78bfa;
            border: 1px solid rgba(124, 92, 255, 0.35);
        }
        .card {
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: #16122a;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
            transition: all 0.3s ease;
        }
        .card:hover {
            border-color: rgba(124, 92, 255, 0.5);
            box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2);
            transform: translateY(-4px);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }
        .section-sub {
            color: #b8b0cc;
            font-size: 15px;
            max-width: 640px;
        }
        .gradient-text {
            background: linear-gradient(135deg, #a78bfa, #00d4a8);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .timeline-line {
            height: 2px;
            background: linear-gradient(90deg, rgba(124, 92, 255, 0.2), rgba(124, 92, 255, 0.8), rgba(0, 212, 168, 0.5));
            border-radius: 2px;
        }
        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.35s ease;
        }
        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }
        .faq-answer-inner {
            overflow: hidden;
        }
        .faq-icon {
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .site-footer {
            background: #0d0a17;
            border-top: 2px solid transparent;
            border-image: linear-gradient(90deg, #7c5cff, #bc4bff, #00d4a8) 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding: 48px 0 32px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1fr;
            }
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 13px;
            color: #7a7193;
            line-height: 1.7;
            max-width: 280px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #b8b0cc;
            transition: all 0.25s ease;
        }
        .footer-social a:hover {
            background: rgba(124, 92, 255, 0.25);
            border-color: #7c5cff;
            color: #fff;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: #7a7193;
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: #a78bfa;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }
        .footer-bottom p {
            font-size: 13px;
            color: #7a7193;
        }
        .footer-bottom a {
            font-size: 13px;
            color: #7a7193;
        }
        .footer-bottom a:hover {
            color: #a78bfa;
        }
        .btn {
            outline: none;
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid #7c5cff;
            outline-offset: 2px;
            opacity: 1;
        }
        @media (max-width: 1024px) {
            .mega-panel {
                display: none !important;
            }
        }
        .grid-bg {
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .hero-card {
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(22, 18, 42, 0.8);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            backdrop-filter: blur(4px);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, #a78bfa, #00d4a8);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .timeline-card {
            position: relative;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: #16122a;
            padding: 20px;
            transition: all 0.3s ease;
        }
        .timeline-card.current {
            border-color: rgba(124, 92, 255, 0.6);
            box-shadow: 0 0 30px rgba(124, 92, 255, 0.2);
        }
        .timeline-card.completed {
            opacity: 0.7;
        }
        .faq-card {
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: #16122a;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-card.open {
            border-color: rgba(124, 92, 255, 0.4);
        }
        .cta-section {
            border-radius: 32px;
            background: linear-gradient(135deg, rgba(124, 92, 255, 0.35), rgba(188, 75, 255, 0.25), rgba(0, 212, 168, 0.2));
            border: 1px solid rgba(255, 255, 255, 0.12);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 10, 23, 0.7), rgba(124, 92, 255, 0.2));
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }

/* roulang page: category3 */
:root {
    --ink: #0d0a17;
    --panel: #16122a;
    --surface: #1c1835;
    --primary: #7c5cff;
    --primary-deep: #5b3df5;
    --magenta: #bc4bff;
    --neon: #00d4a8;
    --flame: #ff9f43;
    --text-main: #f5f3ff;
    --text-sub: #b8b0cc;
    --text-muted: #7a7193;
    --border: rgba(255, 255, 255, 0.08);
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background: var(--ink);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
  }

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

  input,
  select,
  textarea {
    font-family: inherit;
    font-size: 15px;
    color: var(--text-main);
  }

  input::placeholder,
  textarea::placeholder {
    color: var(--text-muted);
  }

  ul,
  ol {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  @media (max-width: 640px) {
    .container-custom {
      padding: 0 16px;
    }
  }

  /* header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13, 10, 23, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: relative;
  }

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

  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--neon));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
    font-size: 13px;
    letter-spacing: 0.5px;
    box-shadow: 0 0 20px rgba(124, 92, 255, 0.35);
  }

  .logo-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
  }

  .main-nav {
    display: flex;
    gap: 4px;
  }

  .nav-link {
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 15px;
    color: var(--text-sub);
    transition: all 0.3s;
  }

  .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(0, 212, 168, 0.15));
    box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.45);
  }

  .mega-wrap {
    position: relative;
  }

  .mega-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--text-sub);
    font-size: 14px;
    transition: all 0.3s;
  }

  .mega-trigger:hover {
    border-color: var(--primary);
    color: #fff;
    background: rgba(124, 92, 255, 0.12);
  }

  .mega-trigger svg {
    transition: transform 0.3s;
  }

  .mega-open .mega-trigger {
    border-color: var(--primary);
    color: #fff;
    background: rgba(124, 92, 255, 0.12);
  }

  .mega-open .mega-trigger .mega-chevron {
    transform: rotate(180deg);
  }

  .mega-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 760px;
    max-width: calc(100vw - 40px);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.35s ease;
    z-index: 60;
  }

  .mega-wrap.mega-open .mega-panel,
  .mega-panel:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .mega-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 20px;
  }

  .mega-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 12px;
  }

  .mega-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    transition: all 0.3s;
  }

  .mega-list li a:hover {
    background: rgba(124, 92, 255, 0.1);
    transform: translateX(4px);
  }

  .mega-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(0, 212, 168, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
  }

  .mega-list strong {
    display: block;
    font-size: 14px;
    color: #fff;
  }

  .mega-list small {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
  }

  .mega-news a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    border-radius: 10px;
  }

  .mega-news img {
    width: 56px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
  }

  .mega-news strong {
    display: block;
    font-size: 13px;
    color: #fff;
    line-height: 1.4;
  }

  .mega-news a:hover strong {
    color: var(--primary);
  }

  .mega-news small {
    font-size: 12px;
    color: var(--text-muted);
  }

  .mega-feature {
    position: relative;
    display: block;
    height: 100%;
    min-height: 150px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }

  .mega-feature .mega-feature-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 10, 23, 0.85), rgba(124, 92, 255, 0.4));
  }

  .mega-feature-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
    padding: 16px;
  }

  .mega-feature-content strong {
    color: #fff;
    font-size: 16px;
    line-height: 1.4;
  }

  .mega-feature-content small {
    color: rgba(255, 255, 255, 0.75);
    font-size: 12px;
    margin: 4px 0 8px;
  }

  .mega-feature-content em {
    font-style: normal;
    color: var(--neon);
    font-size: 13px;
    font-weight: 600;
  }

  .nav-open {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
  }

  .mobile-drawer {
    position: fixed;
    inset: 0;
    background: rgba(13, 10, 23, 0.98);
    z-index: 80;
    padding: 80px 24px 24px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    overflow-y: auto;
  }

  .mobile-drawer.open {
    transform: translateX(0);
  }

  .drawer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 28px;
  }

  .drawer-nav a {
    padding: 14px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    font-size: 17px;
    font-weight: 600;
  }

  .drawer-nav a.active {
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(0, 212, 168, 0.15));
    box-shadow: inset 0 0 0 1px var(--primary);
  }

  .drawer-sub p {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .drawer-sub a {
    display: block;
    color: var(--text-sub);
    padding: 10px 14px;
    font-size: 15px;
  }

  @media (max-width: 1023px) {
    .main-nav {
      display: none;
    }
    .mega-wrap {
      display: none;
    }
    .nav-open {
      display: flex;
    }
  }

  @media (min-width: 1024px) {
    .mobile-drawer {
      display: none;
    }
  }

  /* buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 34px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    white-space: nowrap;
  }

  .btn:focus-visible,
  .nav-link:focus-visible,
  .mega-trigger:focus-visible,
  .form-input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--ink), 0 0 0 4px var(--primary);
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--magenta));
    color: #fff;
    box-shadow: 0 8px 30px rgba(124, 92, 255, 0.3);
  }

  .btn-primary:hover {
    box-shadow: 0 0 34px rgba(124, 92, 255, 0.5);
    transform: translateY(-1px);
  }

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

  .btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
  }

  .btn-ghost:hover {
    border-color: var(--primary);
    background: rgba(124, 92, 255, 0.12);
    color: #fff;
  }

  .btn-flame {
    background: linear-gradient(135deg, var(--flame), #ff6b6b);
    color: #1a0e05;
    box-shadow: 0 8px 30px rgba(255, 159, 67, 0.35);
  }

  .btn-flame:hover {
    box-shadow: 0 0 36px rgba(255, 159, 67, 0.55);
    transform: translateY(-1px);
  }

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

  /* sections */
  .section {
    padding: 80px 0;
  }

  .section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
  }

  .section-header.left-aligned {
    text-align: left;
    margin-left: 0;
    margin-bottom: 28px;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(124, 92, 255, 0.12);
    border: 1px solid rgba(124, 92, 255, 0.35);
    color: #a98fff;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
  }

  .section-header h2 {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 12px;
    letter-spacing: -0.5px;
  }

  .section-header p {
    color: var(--text-sub);
    font-size: 15px;
    margin: 0;
  }

  @media (max-width: 768px) {
    .section {
      padding: 48px 0;
    }
    .section-header {
      margin-bottom: 32px;
    }
    .section-header h2 {
      font-size: 26px;
    }
  }

  /* hero */
  .member-hero {
    position: relative;
    padding: 88px 0 76px;
    overflow: hidden;
  }

  .member-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
  }

  .member-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 10, 23, 0.92), rgba(124, 92, 255, 0.35));
  }

  .member-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(0, 212, 168, 0.12);
    border: 1px solid rgba(0, 212, 168, 0.35);
    color: var(--neon);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .member-hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 16px;
    background: linear-gradient(120deg, #ffffff 30%, #c4b5ff 70%, var(--neon));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .member-hero-sub {
    font-size: 18px;
    color: var(--text-sub);
    line-height: 1.7;
    margin: 0 0 28px;
  }

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

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 920px;
    margin: 48px auto 0;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  .hero-stat strong {
    display: block;
    font-size: 34px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--neon));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
  }

  .hero-stat span {
    font-size: 13px;
    color: var(--text-muted);
  }

  @media (max-width: 768px) {
    .member-hero {
      padding: 56px 0 48px;
    }
    .member-hero h1 {
      font-size: 36px;
    }
    .member-hero-sub {
      font-size: 16px;
    }
    .hero-actions .btn {
      width: 100%;
    }
    .hero-stats {
      grid-template-columns: repeat(2, 1fr);
      gap: 24px 12px;
      margin-top: 36px;
    }
    .hero-stat strong {
      font-size: 28px;
    }
  }

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

  .level-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 28px 24px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
  }

  .level-card:hover {
    border-color: rgba(124, 92, 255, 0.5);
    box-shadow: 0 20px 50px rgba(124, 92, 255, 0.2);
    transform: translateY(-4px);
  }

  .level-card.diamond {
    background: linear-gradient(160deg, var(--panel), rgba(124, 92, 255, 0.18));
    border-color: rgba(124, 92, 255, 0.4);
  }

  .level-name {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
  }

  .level-req {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
  }

  .level-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--magenta));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 18px;
    box-shadow: 0 6px 24px rgba(124, 92, 255, 0.3);
  }

  .level-list {
    margin-bottom: 20px;
  }

  .level-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    color: var(--text-sub);
    padding: 5px 0;
    line-height: 1.5;
  }

  .level-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--neon);
    flex-shrink: 0;
    margin-top: 8px;
  }

  .level-footer {
    border-top: 1px solid var(--border);
    padding-top: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .level-footer small {
    color: var(--text-muted);
    font-size: 12px;
  }

  .level-footer strong {
    color: var(--neon);
    font-size: 15px;
  }

  @media (max-width: 1023px) {
    .levels-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 640px) {
    .levels-grid {
      grid-template-columns: 1fr;
    }
  }

  /* benefits */
  .benefits-section {
    background: var(--panel);
  }

  .benefits-wrap {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: center;
  }

  .benefits-visual {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  }

  .benefits-visual img {
    width: 100%;
    height: 460px;
    object-fit: cover;
  }

  .benefits-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(13, 10, 23, 0.5));
  }

  .benefit-item {
    display: flex;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
  }

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

  .benefit-num {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--neon));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    flex-shrink: 0;
    min-width: 52px;
    text-align: center;
  }

  .benefit-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 6px;
  }

  .benefit-item p {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0;
    line-height: 1.65;
  }

  @media (max-width: 900px) {
    .benefits-wrap {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .benefits-visual img {
      height: 280px;
    }
  }

  /* brands */
  .brands-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .brand-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }

  .brand-card:hover {
    border-color: rgba(124, 92, 255, 0.5);
    box-shadow: 0 16px 40px rgba(124, 92, 255, 0.15);
    transform: translateY(-3px);
  }

  .brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--magenta), var(--neon));
    opacity: 0;
    transition: opacity 0.3s;
  }

  .brand-card:hover::before {
    opacity: 1;
  }

  .brand-logo {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(0, 212, 168, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    color: var(--neon);
    margin: 0 auto 14px;
  }

  .brand-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 4px;
  }

  .brand-card p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
  }

  @media (max-width: 900px) {
    .brands-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

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

  /* enroll */
  .enroll-wrap {
    display: grid;
    grid-template-columns: 1fr 0.92fr;
    gap: 48px;
    align-items: start;
  }

  .enroll-info h2 {
    font-size: 32px;
    font-weight: 800;
    margin: 0 0 14px;
  }

  .enroll-info > p {
    color: var(--text-sub);
    font-size: 15px;
    margin: 0 0 28px;
    max-width: 520px;
  }

  .process-list {
    display: flex;
    flex-direction: column;
  }

  .process-item {
    display: flex;
    gap: 18px;
    padding: 18px 0;
  }

  .process-item .num {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--neon));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    min-width: 46px;
  }

  .process-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 4px;
  }

  .process-item p {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0;
  }

  .enroll-form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  }

  .enroll-form-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 6px;
  }

  .enroll-form-card > p {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0 0 24px;
  }

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

  .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-sub);
    margin-bottom: 6px;
  }

  .form-input {
    width: 100%;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 16px;
    color: #fff;
    transition: all 0.3s;
  }

  .form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.2);
  }

  textarea.form-input {
    height: auto;
    padding-top: 12px;
    resize: vertical;
  }

  .form-submit {
    width: 100%;
    height: 50px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--flame), #ff6b6b);
    color: #1a0e05;
    font-size: 15px;
    font-weight: 700;
    margin-top: 8px;
    transition: all 0.3s;
  }

  .form-submit:hover {
    box-shadow: 0 0 30px rgba(255, 159, 67, 0.5);
    transform: translateY(-1px);
  }

  .form-submit:active {
    transform: scale(0.98);
  }

  .form-tip {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin: 14px 0 0;
  }

  @media (max-width: 900px) {
    .enroll-wrap {
      grid-template-columns: 1fr;
    }
    .enroll-form-card {
      padding: 24px;
    }
    .enroll-info h2 {
      font-size: 26px;
    }
  }

  /* faq */
  .faq-section {
    background: var(--panel);
  }

  .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

  .faq-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
  }

  .faq-card summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    transition: background 0.3s;
  }

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

  .faq-card summary:hover {
    background: rgba(124, 92, 255, 0.08);
  }

  .faq-card summary .faq-icon {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }

  .faq-card summary .faq-icon::before,
  .faq-card summary .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--neon);
    border-radius: 2px;
    transition: all 0.3s;
  }

  .faq-card summary .faq-icon::before {
    width: 14px;
    height: 2px;
    left: 5px;
    top: 11px;
  }

  .faq-card summary .faq-icon::after {
    width: 2px;
    height: 14px;
    left: 11px;
    top: 5px;
  }

  .faq-card[open] summary {
    background: rgba(124, 92, 255, 0.1);
  }

  .faq-card[open] summary .faq-icon::after {
    transform: scaleY(0);
  }

  .faq-card .faq-answer {
    padding: 0 20px 18px;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
  }

  @media (max-width: 900px) {
    .faq-grid {
      grid-template-columns: 1fr;
    }
  }

  /* cta */
  .cta-card {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    padding: 56px 40px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--magenta), var(--neon));
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
  }

  @keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .cta-card h2 {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 10px;
  }

  .cta-card p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.88);
    margin: 0 0 24px;
  }

  .cta-card .btn {
    background: #fff;
    color: var(--primary-deep);
  }

  .cta-card .btn:hover {
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
  }

  @media (max-width: 640px) {
    .cta-card {
      padding: 36px 20px;
    }
    .cta-card h2 {
      font-size: 24px;
    }
  }

  /* footer */
  .site-footer {
    background: var(--ink);
    margin-top: 0;
  }

  .footer-topline {
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--magenta), var(--neon));
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.8fr 0.8fr;
    gap: 36px;
    padding: 52px 0 36px;
  }

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

  .footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    margin: 0 0 18px;
    max-width: 300px;
  }

  .footer-social {
    display: flex;
    gap: 10px;
  }

  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s;
  }

  .footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
  }

  .footer-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 14px;
  }

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

  .footer-links a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color 0.3s;
  }

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

  .footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
  }

  .footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }

  .footer-bottom-inner p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
  }

  @media (max-width: 900px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }
  }

  @media (max-width: 520px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }
    .footer-bottom-inner {
      flex-direction: column;
      text-align: center;
    }
  }