/* roulang page: index */
:root {
  --bg-deep: #0D0B14;
  --bg-card: #16131F;
  --bg-float: #1D1A28;
  --brand-1: #FF3D77;
  --brand-2: #FF8A5C;
  --brand-3: #FFB547;
  --accent: #35E0C0;
  --text-main: #E4E2EE;
  --text-muted: #8B8798;
  --border-subtle: rgba(255,255,255,0.08);
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-chip: 999px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.3);
  --shadow-hover: 0 16px 40px rgba(255,61,119,0.18), 0 8px 16px rgba(0,0,0,0.3);
  --space-section: 96px;
  --space-section-sm: 64px;
  --container-max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color 0.2s, opacity 0.2s; }
button { font-family: inherit; }
input { font-family: inherit; }

.container {
  width: 100%;
  padding-left: 32px;
  padding-right: 32px;
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max);
}
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  color: var(--text-main);
  line-height: 1.25;
}

/* ========== 按钮体系 ========== */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 55%, var(--brand-3) 100%);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  cursor: pointer;
  transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(255,61,119,0.25);
}
.btn-primary-custom:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255,61,119,0.35);
}
.btn-primary-custom:active {
  transform: translateY(0);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.2s;
}
.btn-ghost:hover {
  border-color: var(--brand-2);
  background: rgba(255,61,119,0.08);
  color: #fff;
  transform: translateY(-2px);
}
.btn-ghost:active {
  transform: translateY(0);
}

/* ========== 顶部导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1080;
  background: rgba(13,11,20,0.94);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}
.site-header.scrolled {
  background: rgba(13,11,20,0.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.site-header .navbar {
  padding-top: 12px;
  padding-bottom: 12px;
  min-height: 72px;
}
.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 14px rgba(255,61,119,0.3);
  margin-right: 8px;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.2px;
}
.navbar-nav {
  gap: 4px;
}
.navbar-nav .nav-link {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-chip);
  position: relative;
  transition: color 0.2s, background 0.2s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--text-main);
  background: rgba(255,255,255,0.05);
}
.navbar-nav .nav-link.active {
  color: #fff;
  background: rgba(255,61,119,0.12);
}
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-3));
}
.navbar-toggler {
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 2px rgba(255,61,119,0.4);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #14101D;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-chip);
  padding: 8px 16px;
}
.search-box i {
  color: var(--text-muted);
  font-size: 14px;
}
.search-box input {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 14px;
  width: 130px;
}
.search-box input:focus {
  outline: none;
}
.search-box input::placeholder {
  color: #635F6E;
}
.login-link {
  color: var(--text-muted);
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.2s;
}
.login-link:hover {
  color: var(--brand-2);
}
.btn-enter {
  padding: 9px 20px;
  font-size: 14px;
}
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(13,11,20,0.98);
    padding: 18px;
    margin-top: 12px;
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
  }
  .header-actions {
    flex-wrap: wrap;
    margin-top: 14px;
  }
  .search-box {
    width: 100%;
  }
  .search-box input {
    flex: 1;
    width: auto;
  }
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 110px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-position: center center;
  background-size: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13,11,20,0.96) 0%, rgba(13,11,20,0.75) 45%, rgba(13,11,20,0.25) 100%),
    linear-gradient(180deg, rgba(13,11,20,0) 55%, rgba(13,11,20,0.96) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13,11,20,0.6);
  border: 1px solid rgba(255,61,119,0.4);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: var(--radius-chip);
  margin-bottom: 22px;
}
.hero-badge i {
  color: var(--accent);
}
.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 20px;
  max-width: 700px;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.75;
  color: #C9C6D3;
  margin-bottom: 34px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-chips .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(13,11,20,0.5);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-main);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-chip);
}
.hero-chips .chip i {
  color: var(--brand-3);
}
.hero-stats {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 30px 0;
  background: linear-gradient(180deg, transparent, rgba(13,11,20,0.9) 40%);
}
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--brand-3);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}
@media (max-width: 767px) {
  .hero {
    padding: 130px 0 50px;
    min-height: auto;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-stats {
    position: static;
    padding: 32px 0 8px;
    background: none;
  }
  .stats-row {
    gap: 22px;
  }
}

/* ========== 通用板块 ========== */
.content-section {
  padding: var(--space-section) 0;
}
.section-head {
  margin-bottom: 34px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0;
}
.section-head.split {
  align-items: center;
}
.link-all {
  color: var(--brand-2);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.link-all:hover {
  color: var(--brand-3);
}
@media (max-width: 575px) {
  .content-section {
    padding: var(--space-section-sm) 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-head h2 {
    font-size: 28px;
  }
}

/* ========== 横滑片库 ========== */
.shelf-section {
  background: linear-gradient(180deg, var(--bg-deep) 0%, #100D18 100%);
}
.shelf-controls {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}
.shelf-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.shelf-btn:hover {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  border-color: transparent;
  color: #fff;
  transform: scale(1.05);
}
.shelf-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: none;
  scroll-behavior: smooth;
  margin: 0 -4px;
  padding-left: 4px;
  padding-right: 4px;
}
.shelf-track::-webkit-scrollbar {
  display: none;
}
.shelf-card {
  flex: 0 0 260px;
  max-width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.shelf-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,61,119,0.35);
}
.shelf-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.shelf-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.shelf-card:hover .shelf-cover img {
  transform: scale(1.05);
}
.shelf-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
}
.shelf-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: var(--radius-chip);
  backdrop-filter: blur(6px);
}
.shelf-hot {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  color: var(--brand-3);
  font-size: 13px;
  font-weight: 700;
  background: rgba(0,0,0,0.4);
  padding: 3px 10px;
  border-radius: var(--radius-chip);
  backdrop-filter: blur(6px);
}
.shelf-info {
  padding: 14px 16px 18px;
}
.shelf-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shelf-info p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
@media (max-width: 575px) {
  .shelf-card {
    flex-basis: 200px;
    max-width: 200px;
  }
}

/* ========== 热播推荐卡 ========== */
.hot-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  height: 100%;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.hot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,61,119,0.35);
}
.hot-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.hot-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.hot-card:hover .hot-cover img {
  transform: scale(1.04);
}
.hot-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(13,11,20,0.65);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-chip);
  backdrop-filter: blur(6px);
}
.badge-num {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  background: rgba(13,11,20,0.85);
  color: var(--brand-3);
  font-weight: 700;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: var(--radius-chip);
  border: 1px solid rgba(255,61,119,0.4);
}
.hot-hover {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,11,20,0.45);
  opacity: 0;
  transition: opacity 0.3s;
}
.hot-card:hover .hot-hover {
  opacity: 1;
}
.hot-body {
  padding: 20px;
}
.hot-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}
.hot-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.link-more {
  color: var(--brand-2);
  font-size: 14px;
  font-weight: 600;
}
.link-more:hover {
  color: var(--brand-3);
}

/* ========== 资讯列表区 ========== */
.news-section {
  background: linear-gradient(180deg, var(--bg-deep) 0%, #100D18 100%);
}
.news-item {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 24px 26px;
  margin-bottom: 20px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.news-item:hover {
  border-color: rgba(255,61,119,0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.news-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}
.news-item p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
  align-items: center;
}
.news-meta .tag {
  color: var(--brand-2);
  background: rgba(255,61,119,0.08);
  border: 1px solid rgba(255,61,119,0.18);
  padding: 2px 10px;
  border-radius: var(--radius-chip);
}
.news-meta .read-more {
  color: var(--text-muted);
}
.news-item:hover .read-more {
  color: var(--brand-2);
}
.side-panel {
  background: linear-gradient(160deg, var(--bg-float), #14101D);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 26px;
}
.side-panel h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
.side-panel .side-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 18px;
}
.side-card {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  align-items: center;
}
.side-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.side-card img {
  width: 84px;
  height: 64px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}
.side-card-content {
  flex: 1;
}
.side-card-content h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}
.side-card-content span {
  font-size: 12px;
  color: var(--text-muted);
}
.side-card-content .hot-val {
  color: var(--brand-3);
  font-weight: 700;
}
.empty-state {
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: var(--radius-card);
  padding: 52px 24px;
  text-align: center;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
}
.empty-state i {
  font-size: 36px;
  margin-bottom: 14px;
  color: #55505F;
}
.empty-state p {
  margin-bottom: 18px;
  font-size: 15px;
}

/* ========== FAQ ========== */
.faq-section .accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px !important;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-section .accordion-button {
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 17px;
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none;
  transition: color 0.2s;
}
.faq-section .accordion-button:not(.collapsed) {
  color: var(--brand-2);
  background: var(--bg-card);
  box-shadow: none;
}
.faq-section .accordion-button:focus {
  box-shadow: 0 0 0 2px rgba(255,61,119,0.2);
}
.faq-section .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E4E2EE'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform 0.3s;
}
.faq-section .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}
.faq-section .accordion-body {
  color: #C9C6D3;
  font-size: 14px;
  line-height: 1.75;
  padding: 4px 24px 22px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ========== CTA ========== */
.cta-section {
  padding: var(--space-section) 0;
}
.cta-box {
  background: linear-gradient(135deg, #2A0F1F 0%, #43172A 50%, #3A1E12 100%);
  border: 1px solid rgba(255,61,119,0.3);
  border-radius: 28px;
  padding: 64px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 340px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-3));
}
.cta-box h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
  color: #fff;
}
.cta-box p {
  color: #C9C6D3;
  font-size: 15px;
  margin-bottom: 32px;
}
@media (max-width: 575px) {
  .cta-box {
    padding: 40px 20px;
  }
  .cta-box h2 {
    font-size: 28px;
  }
}

/* ========== 页脚 ========== */
.footer {
  background: #0A0810;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 64px;
}
.footer-columns {
  padding-bottom: 44px;
}
.footer h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand .logo-text {
  font-size: 18px;
}
.footer p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 10px;
}
.footer a {
  display: inline-block;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer a:hover {
  color: var(--brand-2);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom p {
  margin-bottom: 4px;
}

/* ========== 可访问性 ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 2px;
}

/* ========== 额外响应式 ========== */
@media (max-width: 991px) {
  .hot-card .hot-cover {
    aspect-ratio: 16 / 9;
  }
}
@media (max-width: 575px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-actions .btn {
    font-size: 14px;
    padding: 11px 22px;
  }
  .section-head {
    align-items: flex-start;
  }
  .news-item {
    padding: 18px;
  }
}

/* roulang page: category1 */
:root{
  --bg-deep:#0D0B14;
  --bg-card:#16131F;
  --bg-float:#1D1A28;
  --brand-1:#FF3D77;
  --brand-2:#FF8A5C;
  --brand-3:#FFB547;
  --accent:#35E0C0;
  --text-main:#E4E2EE;
  --text-muted:#8B8798;
  --border-subtle:rgba(255,255,255,0.08);
  --radius-card:20px;
  --radius-btn:12px;
  --radius-chip:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,0.3);
  --shadow-hover:0 16px 40px rgba(255,61,119,0.18),0 8px 16px rgba(0,0,0,0.3);
  --space-section:96px;
  --space-section-sm:64px;
  --container-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  margin:0;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
button,input{font-family:inherit}
.container{max-width:var(--container-max)}
section{position:relative}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1080;
  background:rgba(13,11,20,0.94);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.scrolled{
  backdrop-filter:blur(12px);
  box-shadow:0 8px 32px rgba(0,0,0,0.35);
}
.navbar{padding:14px 0}
.navbar-brand{
  display:flex;align-items:center;gap:10px;
  padding:0;margin:0;
}
.logo-icon{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2),var(--brand-3));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;
  box-shadow:0 4px 14px rgba(255,61,119,0.35);
}
.logo-text{
  font-size:20px;font-weight:800;color:var(--text-main);letter-spacing:-0.3px;
}
.navbar-nav{gap:6px}
.navbar-nav .nav-link{
  font-size:14px;font-weight:500;color:var(--text-muted);
  padding:8px 16px;border-radius:var(--radius-chip);
  transition:color .2s,background .2s;
  position:relative;
}
.navbar-nav .nav-link:hover{
  color:var(--text-main);
  background:rgba(255,255,255,0.04);
}
.navbar-nav .nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(255,61,119,0.18),rgba(255,138,92,0.12));
  box-shadow:inset 0 0 0 1px rgba(255,61,119,0.25);
}
.navbar-nav .nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-3));
  border-radius:var(--radius-chip);
}
.header-actions{
  display:flex;align-items:center;gap:12px;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#14101D;border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius-chip);
  padding:7px 16px;
  width:200px;
  transition:border-color .2s,box-shadow .2s;
}
.search-box i{color:var(--text-muted);font-size:13px}
.search-box input{
  background:transparent;border:none;outline:none;
  color:var(--text-main);font-size:13px;width:100%;
}
.search-box input::placeholder{color:#6f6a7d}
.search-box:focus-within{
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(255,61,119,0.12);
}
.login-link{
  font-size:14px;font-weight:500;color:var(--text-main);
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border-radius:var(--radius-chip);
  transition:background .2s,color .2s;
}
.login-link:hover{color:var(--brand-1);background:rgba(255,61,119,0.08)}
.btn-enter{
  font-size:13px;font-weight:600;
  padding:8px 20px;border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2),var(--brand-3));
  color:#fff;border:none;display:inline-flex;align-items:center;gap:6px;
  box-shadow:0 4px 14px rgba(255,61,119,0.3);
  transition:transform .2s,box-shadow .2s,filter .2s;
  position:relative;overflow:hidden;
}
.btn-enter::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,0.3),transparent);
  transform:skewX(-20deg);
  transition:left .45s ease;
}
.btn-enter:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,61,119,0.4);
  filter:brightness(1.06);
}
.btn-enter:hover::after{left:120%}
.btn-enter:active{transform:translateY(0)}
.navbar-toggler{
  border:1px solid rgba(255,255,255,0.2);
  border-radius:var(--radius-btn);
  padding:6px 10px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(255,61,119,0.2)}
.navbar-toggler-icon{
  background-image:none!important;
  position:relative;
  width:20px;height:2px;background:#fff;border-radius:2px;
  display:inline-block;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;
}
.navbar-toggler-icon::before{top:-6px}
.navbar-toggler-icon::after{top:6px}

/* ===== 分类横幅 Hero ===== */
.page-hero{
  min-height:520px;
  display:flex;align-items:center;
  padding:160px 0 100px;
  position:relative;
  overflow:hidden;
  background:url('/assets/images/backpic/back-1.png') center top/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(13,11,20,0.96) 25%,rgba(13,11,20,0.65) 55%,rgba(13,11,20,0.35) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;top:auto;height:180px;
  background:linear-gradient(180deg,transparent,var(--bg-deep));
}
.page-hero .container{position:relative;z-index:2}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.12);
  backdrop-filter:blur(6px);
  color:var(--accent);
  font-size:12px;font-weight:600;
  padding:6px 16px;border-radius:var(--radius-chip);
  letter-spacing:0.5px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:48px;line-height:1.15;font-weight:800;
  letter-spacing:-0.5px;
  color:#fff;
  margin:0 0 18px;
}
.hero-desc{
  font-size:16px;line-height:1.8;
  color:rgba(228,226,238,0.92);
  max-width:560px;
  margin:0 0 30px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary-custom{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2),var(--brand-3));
  color:#fff;font-weight:600;font-size:15px;
  border:none;border-radius:var(--radius-btn);
  padding:12px 30px;
  display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 6px 20px rgba(255,61,119,0.3);
  transition:transform .2s,box-shadow .2s,filter .2s;
  position:relative;overflow:hidden;
}
.btn-primary-custom::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,0.25),transparent);
  transform:skewX(-20deg);
  transition:left .45s ease;
}
.btn-primary-custom:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(255,61,119,0.4);
  filter:brightness(1.05);
  color:#fff;
}
.btn-primary-custom:hover::after{left:120%}
.btn-primary-custom:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,0.25);
  color:#fff;font-weight:500;font-size:15px;
  border-radius:var(--radius-btn);
  padding:12px 30px;
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color .2s,background .2s;
}
.btn-ghost:hover{
  border-color:var(--brand-1);
  background:rgba(255,61,119,0.08);
  color:#fff;
}
.hero-stats{
  position:absolute;bottom:34px;left:0;right:0;z-index:3;
}
.stats-row{
  display:flex;gap:14px;flex-wrap:wrap;
}
.stat-item{
  background:rgba(29,26,40,0.72);
  border:1px solid rgba(255,255,255,0.12);
  border-top:2px solid transparent;
  border-image:linear-gradient(135deg,var(--brand-1),var(--brand-3)) 1;
  backdrop-filter:blur(10px);
  border-radius:14px;
  padding:12px 26px;
  display:flex;align-items:center;gap:12px;
}
.stat-num{
  font-size:22px;font-weight:800;color:var(--brand-3);
  line-height:1;
}
.stat-label{
  font-size:12px;color:var(--text-muted);
  letter-spacing:0.3px;
}

/* ===== 通用板块 ===== */
.section{padding:var(--space-section) 0}
.section-sm{padding:var(--space-section-sm) 0}
.section-head{
  margin-bottom:48px;
  max-width:640px;
}
.section-tag{
  display:inline-block;
  font-size:12px;font-weight:700;
  color:var(--brand-1);
  letter-spacing:1px;
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{
  font-size:38px;font-weight:700;line-height:1.25;
  letter-spacing:-0.3px;
  color:#fff;
  margin:0 0 14px;
}
.section-head p{
  font-size:15px;color:var(--text-muted);
  line-height:1.8;
  margin:0;
}

/* ===== 登录方式 ===== */
.methods-section{background:var(--bg-deep)}
.method-card{
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-card);
  padding:28px 24px;
  height:100%;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.method-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-3));
  opacity:0;transition:opacity .25s;
}
.method-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,61,119,0.25);
}
.method-card:hover::before{opacity:1}
.method-icon{
  width:52px;height:52px;border-radius:16px;
  background:linear-gradient(135deg,rgba(255,61,119,0.16),rgba(255,138,92,0.1));
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-1);font-size:20px;
  margin-bottom:18px;
  border:1px solid rgba(255,61,119,0.2);
}
.method-card h3{
  font-size:19px;font-weight:700;color:#fff;
  margin:0 0 10px;
}
.method-card p{
  font-size:14px;color:var(--text-muted);
  line-height:1.75;
  margin:0;
}

/* ===== 适用场景 ===== */
.scene-section{
  background:linear-gradient(180deg,var(--bg-deep),#110e1a 60%,var(--bg-deep));
}
.scene-card{
  background:rgba(22,19,31,0.85);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-card);
  padding:28px 26px;
  height:100%;
  display:flex;gap:16px;
  transition:background .25s,border-color .25s,transform .25s;
}
.scene-card:hover{
  background:var(--bg-card);
  border-color:rgba(255,183,71,0.25);
  transform:translateY(-3px);
}
.scene-num{
  font-size:26px;font-weight:800;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-3));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
  min-width:34px;
}
.scene-card h3{
  font-size:17px;font-weight:700;color:#fff;
  margin:0 0 8px;
}
.scene-card p{
  font-size:14px;color:var(--text-muted);
  line-height:1.7;
  margin:0;
}

/* ===== 操作流程 ===== */
.steps-section{
  background:#110e1b;
  border-top:1px solid var(--border-subtle);
  border-bottom:1px solid var(--border-subtle);
}
.steps-line{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:10px;
}
.step-item{
  position:relative;
  background:var(--bg-card);
  border-radius:var(--radius-card);
  padding:32px 24px 26px;
  border:1px solid var(--border-subtle);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.step-item:hover{
  transform:translateY(-4px);
  border-color:rgba(255,138,92,0.3);
  box-shadow:var(--shadow-hover);
}
.step-num{
  font-size:14px;font-weight:800;
  color:var(--brand-3);
  letter-spacing:1px;
  display:block;margin-bottom:14px;
}
.step-item h3{
  font-size:17px;font-weight:700;color:#fff;
  margin:0 0 8px;
}
.step-item p{
  font-size:13px;color:var(--text-muted);
  line-height:1.7;
  margin:0;
}
.step-arrow{
  position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  z-index:5;width:32px;height:32px;border-radius:50%;
  background:var(--bg-float);
  border:1px solid var(--border-subtle);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-2);font-size:12px;
}
.step-item:last-child .step-arrow{display:none}

/* ===== 内容推荐网格 ===== */
.content-card{
  background:var(--bg-card);
  border-radius:var(--radius-card);
  border:1px solid var(--border-subtle);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.content-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,61,119,0.25);
}
.card-thumb{
  position:relative;
  height:180px;
  overflow:hidden;
  background:var(--bg-float);
}
.card-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.content-card:hover .card-thumb img{transform:scale(1.05)}
.card-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(13,11,20,0.6));
}
.card-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(13,11,20,0.75);
  backdrop-filter:blur(6px);
  color:var(--accent);font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--radius-chip);
  letter-spacing:0.3px;
}
.card-body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
.card-body h3{
  font-size:17px;font-weight:700;color:#fff;
  margin:0 0 8px;
  line-height:1.45;
}
.card-body p{
  font-size:13px;color:var(--text-muted);
  line-height:1.7;
  margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-link{
  margin-top:auto;
  font-size:13px;font-weight:600;
  color:var(--brand-1);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s,color .2s;
}
.card-link:hover{color:var(--brand-3);gap:10px}

/* ===== 分页器 ===== */
.pagination-wrap{
  display:flex;justify-content:center;
  margin-top:48px;
}
.pagination{
  gap:8px;
  margin:0;
}
.pagination .page-link{
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  color:var(--text-main);
  font-size:14px;font-weight:500;
  border-radius:var(--radius-chip)!important;
  padding:8px 18px;
  min-width:40px;
  text-align:center;
  transition:all .2s;
}
.pagination .page-link:hover{
  background:rgba(255,61,119,0.1);
  border-color:var(--brand-1);
  color:var(--brand-1);
}
.pagination .page-item.active .page-link{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  border-color:transparent;
  color:#fff;
  box-shadow:0 4px 16px rgba(255,61,119,0.3);
}
.pagination .page-item.disabled .page-link{
  opacity:0.4;pointer-events:none;
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-deep)}
.accordion{
  max-width:860px;
  margin:0 auto;
}
.accordion-item{
  background:var(--bg-card);
  border:1px solid var(--border-subtle);
  border-radius:16px!important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s;
}
.accordion-item:focus-within,
.accordion-item:hover{
  border-color:rgba(255,61,119,0.25);
}
.accordion-button{
  background:transparent;
  color:#fff;
  font-size:17px;font-weight:600;
  padding:20px 24px;
  box-shadow:none!important;
  transition:background .2s;
}
.accordion-button:not(.collapsed){
  background:rgba(255,61,119,0.06);
  color:var(--brand-1);
}
.accordion-button::after{
  background-image:none;
  font-family:"Font Awesome 6 Free";
  content:"\f078";
  font-weight:900;
  color:var(--text-muted);
  font-size:14px;
  width:auto;height:auto;
  transition:transform .3s ease,color .2s;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  color:var(--brand-1);
}
.accordion-button:focus{box-shadow:none}
.accordion-body{
  color:#C9C6D3;
  font-size:14px;line-height:1.8;
  padding:0 24px 22px;
}

/* ===== CTA 横幅 ===== */
.cta-banner{
  position:relative;
  padding:90px 0;
  overflow:hidden;
  background:
    linear-gradient(120deg,rgba(255,61,119,0.2),rgba(255,138,92,0.12),rgba(255,183,71,0.08)),
    url('/assets/images/backpic/back-2.webp') center top/cover no-repeat;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,11,20,0.97) 30%,rgba(13,11,20,0.75));
}
.cta-banner .container{position:relative;z-index:2}
.cta-banner h2{
  font-size:34px;font-weight:800;color:#fff;
  letter-spacing:-0.4px;
  margin:0 0 12px;
}
.cta-banner p{
  font-size:15px;color:rgba(228,226,238,0.85);
  max-width:520px;
  margin:0 0 28px;
  line-height:1.8;
}

/* ===== 页脚 ===== */
.footer{
  background:#0a0812;
  border-top:1px solid var(--border-subtle);
  padding:64px 0 0;
}
.footer-columns{padding-bottom:42px}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;
}
.footer-brand .logo-text{
  font-size:17px;
  white-space:nowrap;
}
.footer p{
  font-size:13px;color:var(--text-muted);
  line-height:1.8;
  margin-bottom:10px;
}
.footer h4{
  font-size:15px;font-weight:700;color:#fff;
  margin:0 0 16px;
}
.footer-columns a{
  display:block;
  font-size:13px;color:var(--text-muted);
  padding:4px 0;
  transition:color .2s,transform .2s;
}
.footer-columns a:hover{
  color:var(--brand-1);
  transform:translateX(3px);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:8px;
}
.footer-bottom p{
  font-size:12px;color:#6f6a7d;
  margin:0;
}

/* ===== 响应式 ===== */
@media (max-width:991.98px){
  .navbar-collapse{
    background:rgba(22,19,31,0.98);
    border:1px solid var(--border-subtle);
    border-radius:16px;
    padding:18px;
    margin-top:14px;
  }
  .navbar-nav{gap:4px}
  .header-actions{
    flex-wrap:wrap;
    margin-top:14px;
    padding-top:14px;
    border-top:1px solid var(--border-subtle);
  }
  .search-box{width:100%;flex:1}
  .steps-line{grid-template-columns:repeat(2,1fr)}
  .step-arrow{display:none}
  .page-hero{min-height:480px;padding:140px 0 90px}
  .page-hero h1{font-size:38px}
}
@media (max-width:767.98px){
  .section{padding:var(--space-section-sm) 0}
  .page-hero{min-height:auto;padding:130px 0 110px}
  .page-hero h1{font-size:32px}
  .hero-desc{font-size:15px}
  .stats-row{gap:10px}
  .stat-item{padding:10px 16px;flex-wrap:wrap}
  .stat-num{font-size:18px}
  .stat-label{font-size:11px}
  .section-head h2{font-size:28px}
  .steps-line{grid-template-columns:1fr}
  .cta-banner{padding:64px 0}
  .cta-banner h2{font-size:26px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:575.98px){
  .btn-enter{width:100%;justify-content:center}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn-primary-custom,
  .hero-actions .btn-ghost{width:100%;justify-content:center}
  .accordion-button{font-size:15px;padding:18px 18px}
  .accordion-body{padding:0 18px 18px}
}

/* roulang page: article */
:root {
        --bg-deep: #0D0B14;
        --bg-card: #16131F;
        --bg-float: #1D1A28;
        --brand-1: #FF3D77;
        --brand-2: #FF8A5C;
        --brand-3: #FFB547;
        --accent: #35E0C0;
        --text-main: #E4E2EE;
        --text-muted: #8B8798;
        --border-subtle: rgba(255,255,255,0.08);
        --radius-card: 20px;
        --radius-btn: 12px;
        --radius-chip: 999px;
        --shadow-card: 0 8px 24px rgba(0,0,0,0.3);
        --shadow-hover: 0 16px 40px rgba(255,61,119,0.18), 0 8px 16px rgba(0,0,0,0.3);
        --space-section: 96px;
        --space-section-sm: 64px;
        --container-max: 1200px;
    }

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

    body {
        font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        background: var(--bg-deep);
        color: var(--text-main);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
    img { max-width: 100%; height: auto; display: block; }
    button { cursor: pointer; }

    .container { max-width: var(--container-max); margin: 0 auto; padding-left: 20px; padding-right: 20px; }

    /* ===== Header / Nav ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(13, 11, 20, 0.94);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .site-header .navbar { padding: 14px 0; }
    .site-header .navbar-brand { display: flex; align-items: center; gap: 10px; margin-right: 8px; }
    .site-header .logo-icon {
        width: 34px;
        height: 34px;
        background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 14px;
        box-shadow: 0 4px 12px rgba(255,61,119,0.3);
        flex-shrink: 0;
    }
    .site-header .logo-text {
        font-size: 22px;
        font-weight: 800;
        color: var(--text-main);
        letter-spacing: -0.5px;
        white-space: nowrap;
    }
    .site-header .navbar-nav { gap: 2px; }
    .site-header .nav-link {
        color: var(--text-muted);
        font-size: 14px;
        font-weight: 500;
        padding: 8px 16px;
        border-radius: var(--radius-chip);
        position: relative;
        transition: all 0.25s ease;
    }
    .site-header .nav-link:hover {
        color: var(--text-main);
        background: rgba(255,255,255,0.05);
    }
    .site-header .nav-link.active {
        color: var(--text-main);
        font-weight: 600;
    }
    .site-header .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 16px;
        right: 16px;
        height: 2px;
        background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
        border-radius: 2px;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .search-box {
        background: #14101D;
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: var(--radius-chip);
        padding: 8px 18px;
        display: flex;
        align-items: center;
        gap: 10px;
        width: 190px;
        transition: border-color 0.3s;
    }
    .search-box:focus-within { border-color: rgba(255,138,92,0.5); }
    .search-box i { color: var(--text-muted); font-size: 13px; }
    .search-box input {
        background: transparent;
        border: none;
        outline: none;
        color: var(--text-main);
        width: 100%;
        font-size: 13px;
        font-family: inherit;
    }
    .search-box input::placeholder { color: var(--text-muted); }

    .login-link {
        color: var(--text-muted);
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 6px;
        white-space: nowrap;
    }
    .login-link:hover { color: var(--brand-1); }

    .btn-primary-custom {
        background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
        color: #fff;
        border: none;
        font-weight: 600;
        padding: 10px 24px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: all 0.3s ease;
        cursor: pointer;
        box-shadow: 0 4px 16px rgba(255,61,119,0.2);
        position: relative;
        overflow: hidden;
    }
    .btn-primary-custom::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
        transition: left 0.5s ease;
    }
    .btn-primary-custom:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(255,61,119,0.4);
        color: #fff;
    }
    .btn-primary-custom:hover::before { left: 100%; }
    .btn-primary-custom:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(255,61,119,0.3); }

    .btn-ghost {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.2);
        color: var(--text-main);
        font-weight: 500;
        padding: 10px 24px;
        border-radius: var(--radius-btn);
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: all 0.3s ease;
        cursor: pointer;
    }
    .btn-ghost:hover {
        border-color: var(--brand-2);
        background: rgba(255,61,119,0.08);
        color: var(--brand-2);
    }

    .navbar-toggler {
        border: 1px solid rgba(255,255,255,0.2);
        padding: 4px 10px;
        border-radius: 8px;
        background: transparent;
    }
    .navbar-toggler:focus { box-shadow: 0 0 0 0.2rem rgba(255,61,119,0.2); }
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(228,226,238,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-area {
        padding: 24px 0 0;
        background: linear-gradient(180deg, rgba(13,11,20,0.5), transparent);
        border-bottom: 1px solid rgba(255,255,255,0.04);
    }
    .breadcrumb-inner { font-size: 13px; color: var(--text-muted); display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
    .breadcrumb-link { color: var(--text-muted); transition: color 0.2s; }
    .breadcrumb-link:hover { color: var(--brand-2); }
    .breadcrumb-sep { color: rgba(139,135,152,0.5); margin: 0 4px; font-size: 12px; }
    .breadcrumb-current {
        color: var(--text-main);
        font-weight: 500;
        display: inline-block;
        max-width: 360px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        vertical-align: bottom;
    }

    /* ===== Article Main ===== */
    .article-main { padding: 40px 0 var(--space-section); }
    .article-main .container { max-width: 920px; }

    /* Article Header */
    .article-header { margin-bottom: 28px; }
    .article-cat {
        display: inline-block;
        background: linear-gradient(135deg, rgba(255,61,119,0.18), rgba(255,138,92,0.18));
        color: var(--brand-2);
        border: 1px solid rgba(255,138,92,0.25);
        padding: 5px 16px;
        border-radius: var(--radius-chip);
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.2px;
    }
    .article-header h1 {
        font-size: 40px;
        font-weight: 800;
        line-height: 1.25;
        color: var(--text-main);
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
        color: var(--text-muted);
        font-size: 14px;
    }
    .article-meta .meta-item {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .article-meta .meta-item i {
        color: var(--brand-2);
        font-size: 14px;
        width: 16px;
        text-align: center;
    }

    /* Article Content */
    .article-content {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        padding: 44px 48px;
        margin-bottom: 32px;
        line-height: 1.8;
    }
    .article-content > *:last-child { margin-bottom: 0; }
    .article-content p {
        font-size: 16px;
        line-height: 1.85;
        color: rgba(228,226,238,0.92);
        margin-bottom: 28px;
    }
    .article-content h2,
    .article-content h3,
    .article-content h4,
    .article-content h5,
    .article-content h6 {
        font-weight: 700;
        color: var(--text-main);
        line-height: 1.3;
        margin-top: 40px;
        margin-bottom: 20px;
    }
    .article-content h3 { font-size: 26px; }
    .article-content h4 { font-size: 21px; }
    .article-content img {
        border-radius: 16px;
        margin: 28px 0;
        width: 100%;
        box-shadow: var(--shadow-card);
    }
    .article-content blockquote {
        border-left: 4px solid var(--brand-1);
        background: linear-gradient(135deg, rgba(255,61,119,0.06), rgba(255,138,92,0.04));
        padding: 22px 28px;
        margin: 32px 0;
        border-radius: 0 14px 14px 0;
        color: #C9C6D3;
        font-size: 15px;
        font-style: normal;
    }
    .article-content blockquote p { margin-bottom: 0; }
    .article-content ul,
    .article-content ol {
        margin: 0 0 28px;
        padding-left: 24px;
        color: rgba(228,226,238,0.92);
    }
    .article-content li { margin-bottom: 10px; line-height: 1.7; }
    .article-content a {
        color: var(--brand-2);
        text-decoration: underline;
        text-underline-offset: 4px;
        text-decoration-color: rgba(255,138,92,0.4);
        transition: color 0.2s;
    }
    .article-content a:hover { color: var(--brand-1); text-decoration-color: var(--brand-1); }
    .article-content pre {
        background: #12101A;
        border: 1px solid var(--border-subtle);
        border-radius: 14px;
        padding: 20px 24px;
        overflow-x: auto;
        margin: 28px 0;
        font-size: 14px;
        line-height: 1.6;
        font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
    }
    .article-content code {
        background: rgba(255,255,255,0.08);
        border-radius: 4px;
        padding: 2px 6px;
        font-size: 13px;
        font-family: "SF Mono", Consolas, monospace;
    }
    .article-content pre code { background: transparent; padding: 0; }
    .article-content hr {
        border: none;
        border-top: 1px solid var(--border-subtle);
        margin: 40px 0;
    }
    .article-content iframe {
        border-radius: 14px;
        width: 100%;
        margin: 24px 0;
    }

    /* Tags */
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 36px;
    }
    .article-tags-label {
        font-size: 13px;
        color: var(--text-muted);
        margin-right: 4px;
        align-self: center;
        font-weight: 500;
    }
    .article-tags .tag {
        background: var(--bg-float);
        border: 1px solid var(--border-subtle);
        color: var(--text-muted);
        padding: 6px 18px;
        border-radius: var(--radius-chip);
        font-size: 13px;
        font-weight: 500;
        transition: all 0.25s ease;
    }
    .article-tags .tag:hover {
        border-color: var(--brand-2);
        color: var(--brand-2);
        background: rgba(255,138,92,0.08);
        transform: translateY(-1px);
    }

    /* Pager */
    .article-pager { margin-bottom: 48px; }
    .pager-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        padding: 22px 26px;
        display: block;
        height: 100%;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    .pager-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
        opacity: 0;
        transition: opacity 0.3s;
    }
    .pager-card:hover {
        background: var(--bg-float);
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(255,138,92,0.3);
    }
    .pager-card:hover::before { opacity: 1; }
    .pager-label {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 600;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        margin-bottom: 10px;
        display: block;
    }
    .pager-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-main);
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .pager-next { text-align: right; }
    .pager-next .pager-label::after { content: ' →'; color: var(--brand-2); }
    .pager-prev .pager-label::before { content: '← '; color: var(--brand-2); }

    /* Related */
    .related-section { margin-top: 8px; }
    .related-section .section-title {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 28px;
        position: relative;
        padding-bottom: 14px;
    }
    .related-section .section-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 64px;
        height: 3px;
        background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
        border-radius: 3px;
    }
    .related-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all 0.35s ease;
        height: 100%;
        display: block;
    }
    .related-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(255,61,119,0.3);
    }
    .related-card .related-thumb {
        position: relative;
        overflow: hidden;
    }
    .related-card .related-thumb img {
        width: 100%;
        aspect-ratio: 16 / 9;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .related-card:hover .related-thumb img { transform: scale(1.05); }
    .related-card .related-thumb::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60%;
        background: linear-gradient(180deg, transparent, rgba(13,11,20,0.6));
    }
    .related-card .related-cat {
        position: absolute;
        top: 12px;
        left: 12px;
        z-index: 2;
        background: rgba(13,11,20,0.7);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255,255,255,0.12);
        color: var(--brand-2);
        padding: 4px 14px;
        border-radius: var(--radius-chip);
        font-size: 12px;
        font-weight: 600;
    }
    .related-card .related-info {
        padding: 18px 20px 22px;
    }
    .related-card .related-info h3 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        line-height: 1.45;
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        min-height: 46px;
    }
    .related-card .related-meta {
        margin-top: 12px;
        color: var(--text-muted);
        font-size: 12px;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    /* Not Found */
    .not-found {
        background: var(--bg-card);
        border: 1px dashed rgba(255,255,255,0.18);
        border-radius: var(--radius-card);
        padding: 90px 40px;
        text-align: center;
    }
    .not-found .nf-icon {
        font-size: 56px;
        color: var(--text-muted);
        margin-bottom: 24px;
        display: block;
        opacity: 0.6;
    }
    .not-found h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 14px;
    }
    .not-found p {
        color: var(--text-muted);
        font-size: 15px;
        margin-bottom: 28px;
    }

    /* ===== Footer ===== */
    .footer {
        background: var(--bg-card);
        border-top: 1px solid var(--border-subtle);
        padding: 64px 0 0;
        position: relative;
    }
    .footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(255,61,119,0.3), rgba(255,138,92,0.3), transparent);
    }
    .footer-columns { padding-bottom: 36px; }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }
    .footer-brand .logo-icon {
        width: 28px;
        height: 28px;
        background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 12px;
        flex-shrink: 0;
    }
    .footer-brand .logo-text {
        font-size: 16px;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.3;
    }
    .footer p {
        color: var(--text-muted);
        font-size: 13px;
        line-height: 1.7;
        margin-bottom: 12px;
    }
    .footer h4 {
        color: var(--text-main);
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }
    .footer h4::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 24px;
        height: 2px;
        background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
        border-radius: 2px;
    }
    .footer .footer-links a {
        display: block;
        color: var(--text-muted);
        font-size: 13px;
        margin-bottom: 10px;
        transition: all 0.2s ease;
    }
    .footer .footer-links a:hover {
        color: var(--brand-2);
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 22px 0;
        text-align: center;
    }
    .footer-bottom p {
        margin: 4px 0;
        font-size: 12px;
        color: rgba(139,135,152,0.7);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1199px) {
        .search-box { width: 140px; }
    }

    @media (max-width: 991px) {
        .navbar-collapse {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(13,11,20,0.98);
            padding: 20px;
            border-bottom: 1px solid var(--border-subtle);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            max-height: calc(100vh - 70px);
            overflow-y: auto;
        }
        .site-header .navbar-nav { margin-top: 8px; }
        .site-header .nav-link { padding: 10px 12px; font-size: 15px; }
        .site-header .nav-link.active::after { display: none; }
        .site-header .nav-link.active {
            background: linear-gradient(135deg, rgba(255,61,119,0.12), rgba(255,138,92,0.12));
            color: var(--brand-2);
        }
        .header-actions {
            margin-top: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 16px;
        }
        .search-box { width: 100%; margin-bottom: 10px; }
        .login-link { margin-right: auto; }
    }

    @media (max-width: 768px) {
        .article-header h1 { font-size: 30px; }
        .article-content { padding: 28px 24px; }
        .article-meta { gap: 16px; }
        .article-meta .meta-item { font-size: 13px; }
        .pager-next { text-align: left; margin-top: 14px; }
        .related-section .section-title { font-size: 24px; }
        .breadcrumb-current { max-width: 220px; }
    }

    @media (max-width: 576px) {
        .article-main { padding: 20px 0 var(--space-section-sm); }
        .article-header h1 { font-size: 24px; line-height: 1.3; }
        .article-content { padding: 20px 16px; border-radius: 16px; }
        .article-content p { font-size: 15px; line-height: 1.75; }
        .article-content h3 { font-size: 20px; }
        .article-content h4 { font-size: 17px; }
        .article-meta { gap: 10px; }
        .article-tags { gap: 8px; }
        .article-tags .tag { font-size: 12px; padding: 5px 12px; }
        .footer { padding-top: 48px; }
        .footer-columns { padding-bottom: 20px; }
        .breadcrumb-area { padding: 16px 0 0; }
        .breadcrumb-current { max-width: 160px; font-size: 12px; }
        .breadcrumb-link { font-size: 12px; }
    }

/* roulang page: category3 */
:root {
    --bg-deep: #0D0B14;
    --bg-card: #16131F;
    --bg-float: #1D1A28;
    --brand-1: #FF3D77;
    --brand-2: #FF8A5C;
    --brand-3: #FFB547;
    --accent: #35E0C0;
    --text-main: #E4E2EE;
    --text-muted: #8B8798;
    --border-subtle: rgba(255,255,255,0.08);
    --radius-card: 20px;
    --radius-btn: 12px;
    --radius-chip: 999px;
    --shadow-card: 0 8px 24px rgba(0,0,0,0.3);
    --shadow-hover: 0 16px 40px rgba(255,61,119,0.18), 0 8px 16px rgba(0,0,0,0.3);
    --space-section: 96px;
    --space-section-sm: 64px;
    --container-max: 1200px;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    background: var(--bg-deep);
    color: var(--text-main);
    font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease;
}
img {
    max-width: 100%;
    display: block;
}
button, input {
    font-family: inherit;
}
.container {
    max-width: var(--container-max);
    padding-left: 20px;
    padding-right: 20px;
}
@media (max-width: 768px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}
section {
    padding: var(--space-section) 0;
}
@media (max-width: 768px) {
    section {
        padding: var(--space-section-sm) 0;
    }
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    letter-spacing: -0.3px;
}
@media (max-width: 768px) {
    .section-head h2 {
        font-size: 24px;
    }
}
.section-head .section-sub {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 480px;
}
.btn-primary-custom {
    background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
    color: #fff;
    border: none;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
    font-size: 15px;
    line-height: 1;
}
.btn-primary-custom:hover {
    color: #fff;
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow: 0 8px 24px rgba(255,61,119,0.25);
}
.btn-primary-custom:active {
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .25s ease;
    font-size: 15px;
}
.btn-ghost:hover {
    border-color: var(--brand-1);
    background: rgba(255,61,119,0.08);
    color: #fff;
    transform: translateY(-2px);
}
.btn-enter {
    padding: 8px 20px;
    font-size: 14px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}
.btn-enter::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255,255,255,0.2), transparent);
    animation: shine 3.5s infinite;
}
@keyframes shine {
    0%, 60% { left: -100%; }
    100% { left: 100%; }
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(13, 11, 20, 0.94);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.site-header .navbar {
    padding: 14px 0;
    position: relative;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    margin: 0;
}
.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255,61,119,0.3);
}
.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
    line-height: 1;
}
.navbar-nav {
    gap: 4px;
}
.navbar-nav .nav-link {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px !important;
    border-radius: 999px;
    transition: all .25s ease;
    position: relative;
    white-space: nowrap;
}
.navbar-nav .nav-link:hover {
    color: var(--text-main);
}
.navbar-nav .nav-link.active {
    color: var(--text-main);
    background: rgba(255,61,119,0.12);
}
.navbar-nav .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--brand-1), var(--brand-3));
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-left: 16px;
}
.search-box {
    display: flex;
    align-items: center;
    background: #14101D;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 999px;
    padding: 8px 16px;
    gap: 10px;
    transition: border-color .25s ease;
}
.search-box i {
    color: var(--text-muted);
    font-size: 14px;
}
.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-size: 14px;
    width: 120px;
    transition: width .25s ease;
}
.search-box input::placeholder {
    color: var(--text-muted);
}
.search-box:focus-within {
    border-color: rgba(255,61,119,0.4);
    box-shadow: 0 0 0 3px rgba(255,61,119,0.08);
}
.login-link {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}
.login-link:hover {
    color: var(--brand-2);
}
.navbar-toggler {
    border: 1px solid rgba(255,255,255,0.15);
    padding: 6px 10px;
    border-radius: 8px;
}
.navbar-toggler:focus {
    box-shadow: none;
    border-color: var(--brand-1);
}
.navbar-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(228,226,238,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--bg-deep);
        padding: 20px;
        border-radius: 16px;
        margin-top: 14px;
        border: 1px solid var(--border-subtle);
        box-shadow: var(--shadow-card);
    }
    .navbar-nav {
        margin: 0 0 16px 0 !important;
        gap: 4px;
    }
    .navbar-nav .nav-link {
        padding: 10px 16px !important;
        border-radius: 12px;
    }
    .header-actions {
        margin-left: 0;
        flex-wrap: wrap;
        gap: 10px;
    }
    .search-box {
        flex: 1;
        min-width: 180px;
    }
    .search-box input {
        width: 100%;
    }
}

/* ===== Category Banner ===== */
.category-banner {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    padding: 160px 0 80px;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.category-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(13,11,20,0.95) 20%, rgba(13,11,20,0.6) 60%, rgba(13,11,20,0.2) 100%);
}
.category-banner::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--bg-deep), transparent);
}
.category-banner .row {
    position: relative;
    z-index: 2;
}
.category-banner .banner-content {
    max-width: 580px;
}
.category-banner .banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 999px;
    padding: 6px 18px;
    font-size: 13px;
    color: var(--brand-3);
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}
.category-banner h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, rgba(255,255,255,0.85));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.category-banner .banner-desc {
    font-size: 17px;
    color: rgba(228,226,238,0.85);
    line-height: 1.8;
    margin-bottom: 32px;
}
.category-banner .banner-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.category-banner .banner-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    flex-wrap: wrap;
}
.category-banner .stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.category-banner .stat-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--brand-3);
    line-height: 1;
}
.category-banner .stat-label {
    font-size: 13px;
    color: var(--text-muted);
}
@media (max-width: 768px) {
    .category-banner {
        min-height: auto;
        padding: 120px 0 60px;
    }
    .category-banner h1 {
        font-size: 34px;
    }
    .category-banner .banner-desc {
        font-size: 15px;
    }
    .category-banner .banner-stats {
        gap: 24px;
        margin-top: 32px;
    }
    .category-banner .stat-num {
        font-size: 24px;
    }
}

/* ===== Feature Cards ===== */
.feature-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
@media (max-width: 991px) {
    .feature-row {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 575px) {
    .feature-row {
        grid-template-columns: 1fr;
    }
}
.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-subtle);
    padding: 32px 24px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-1), var(--brand-3));
    opacity: 0;
    transition: opacity .3s ease;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,61,119,0.2);
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-card .feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,61,119,0.2), rgba(255,181,71,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--brand-2);
    margin-bottom: 18px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-main);
}
.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

/* ===== Content Grid ===== */
.content-grid {
    background: var(--bg-deep);
}
.content-grid .grid-wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 991px) {
    .content-grid .grid-wrap {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 575px) {
    .content-grid .grid-wrap {
        grid-template-columns: 1fr;
    }
}
.media-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    position: relative;
}
.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,61,119,0.2);
}
.media-card .card-cover {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}
.media-card .card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.media-card:hover .card-cover img {
    transform: scale(1.06);
}
.media-card .card-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13,11,20,0.7), transparent 50%);
}
.media-card .tag-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: linear-gradient(135deg, rgba(255,61,119,0.9), rgba(255,138,92,0.9));
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 14px;
    border-radius: 999px;
    z-index: 2;
    backdrop-filter: blur(4px);
}
.media-card .score-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(13,11,20,0.75);
    backdrop-filter: blur(8px);
    color: var(--brand-3);
    font-size: 13px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 8px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 4px;
}
.media-card .card-body {
    padding: 20px 22px 24px;
}
.media-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.media-card .card-summary {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}
.media-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}
.media-card .enter-link {
    color: var(--brand-2);
    font-weight: 500;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .2s ease;
}
.media-card .enter-link:hover {
    gap: 10px;
    color: var(--brand-3);
}

/* ===== Steps / Flow ===== */
.flow-section {
    background: linear-gradient(180deg, var(--bg-deep), var(--bg-float) 50%, var(--bg-deep));
    position: relative;
}
.flow-section .section-head h2 {
    text-align: center;
}
.flow-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}
@media (max-width: 991px) {
    .flow-row {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 575px) {
    .flow-row {
        grid-template-columns: 1fr;
    }
}
.step-card {
    counter-increment: step;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 32px 24px;
    text-align: left;
    position: relative;
    transition: transform .3s ease, box-shadow .3s ease;
}
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.step-card::before {
    content: "0" counter(step);
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 16px;
    opacity: 0.7;
}
.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}
.step-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}
.step-card .step-arrow {
    position: absolute;
    top: 50%;
    right: -16px;
    width: 32px;
    height: 32px;
    background: var(--bg-float);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transform: translateY(-50%);
    color: var(--brand-2);
    font-size: 12px;
}
@media (max-width: 991px) {
    .step-card .step-arrow {
        display: none;
    }
}

/* ===== Section Divider ===== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    border: none;
    margin: 0;
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--bg-deep);
}
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .3s ease;
}
.faq-item:hover {
    border-color: rgba(255,61,119,0.2);
}
.faq-item .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
}
.faq-item .faq-q h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
    line-height: 1.4;
}
.faq-item .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-2);
    font-size: 14px;
    transition: transform .3s ease, background .3s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-icon {
    transform: rotate(180deg);
    background: rgba(255,61,119,0.15);
}
.faq-item .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, opacity .3s ease;
    opacity: 0;
}
.faq-item .faq-a p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: #C9C6D3;
    line-height: 1.75;
    margin: 0;
}
.faq-item.open .faq-a {
    max-height: 320px;
    opacity: 1;
}

/* ===== CTA ===== */
.cta-section {
    padding: 0 0 var(--space-section);
}
@media (max-width: 768px) {
    .cta-section {
        padding: 0 0 var(--space-section-sm);
    }
}
.cta-banner {
    background: linear-gradient(135deg, rgba(255,61,119,0.25), rgba(255,138,92,0.15) 50%, rgba(255,181,71,0.2));
    border: 1px solid rgba(255,138,92,0.25);
    border-radius: 28px;
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
@media (max-width: 768px) {
    .cta-banner {
        padding: 40px 24px;
        border-radius: 20px;
    }
}
.cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    opacity: 0.15;
}
.cta-banner .cta-content {
    position: relative;
    z-index: 2;
}
.cta-banner h2 {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
@media (max-width: 768px) {
    .cta-banner h2 {
        font-size: 24px;
    }
}
.cta-banner p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    max-width: 480px;
    margin: 0 auto 32px;
    line-height: 1.7;
}
.cta-banner .btn-primary-custom {
    font-size: 16px;
    padding: 14px 36px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-subtle);
    padding: 64px 0 0;
}
.footer-columns {
    padding-bottom: 48px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-brand .logo-text {
    font-size: 18px;
}
.footer p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 8px;
}
.footer h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--brand-1), var(--brand-3));
}
.footer a {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    padding: 4px 0;
    transition: color .2s ease, padding-left .2s ease;
}
.footer a:hover {
    color: var(--brand-2);
    padding-left: 6px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}
@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category2 */
:root {
  --bg-deep: #0D0B14;
  --bg-card: #16131F;
  --bg-float: #1D1A28;
  --brand-1: #FF3D77;
  --brand-2: #FF8A5C;
  --brand-3: #FFB547;
  --accent: #35E0C0;
  --text-main: #E4E2EE;
  --text-muted: #8B8798;
  --border-subtle: rgba(255,255,255,0.08);
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-chip: 999px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.3);
  --shadow-hover: 0 16px 40px rgba(255,61,119,0.18), 0 8px 16px rgba(0,0,0,0.3);
  --space-section: 96px;
  --space-section-sm: 64px;
  --container-max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text-main); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--brand-2); }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; }
@media (max-width: 576px) {
  .container { padding-left: 16px; padding-right: 16px; }
}
section { padding: var(--space-section) 0; }
@media (max-width: 992px) {
  section { padding: var(--space-section-sm) 0; }
}
h1, h2, h3, h4, h5, h6 { color: var(--text-main); margin-bottom: 0.5rem; }
h1 { font-size: 48px; line-height: 1.15; font-weight: 800; letter-spacing: -0.5px; }
h2 { font-size: 40px; line-height: 1.2; font-weight: 700; }
h3 { font-size: 24px; line-height: 1.3; font-weight: 700; }
p { color: var(--text-muted); }
.text-small { font-size: 13px; font-weight: 500; }
.text-muted { color: var(--text-muted); }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,11,20,0.94);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(13,11,20,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.navbar { padding: 0; min-height: 72px; }
.navbar-brand { padding: 0; display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 15px;
  box-shadow: 0 4px 16px rgba(255,61,119,0.4);
}
.logo-text { font-size: 20px; font-weight: 800; color: var(--text-main); letter-spacing: 0.5px; }
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 16px !important;
  border-radius: var(--radius-chip);
  position: relative;
  transition: color 0.3s ease, background 0.3s ease;
}
.navbar-nav .nav-link:hover { color: var(--text-main); background: rgba(255,255,255,0.04); }
.navbar-nav .nav-link.active {
  color: var(--text-main);
  background: rgba(255,61,119,0.1);
  box-shadow: inset 0 -2px 0 var(--brand-1);
}
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box {
  display: flex; align-items: center;
  background: #14101D;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-chip);
  padding: 6px 14px;
  gap: 8px;
  transition: border-color 0.3s ease;
}
.search-box:hover { border-color: rgba(255,138,92,0.4); }
.search-box i { font-size: 13px; color: var(--text-muted); }
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 13px;
  width: 130px;
}
.search-box input::placeholder { color: var(--text-muted); }
.login-link { font-size: 14px; color: var(--text-main); display: inline-flex; align-items: center; gap: 6px; }
.login-link:hover { color: var(--brand-1); }
.btn-primary-custom {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
  border: none;
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 10px 24px;
  font-size: 14px;
  line-height: 1.5;
  display: inline-flex; align-items: center; gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 4px 16px rgba(255,61,119,0.3);
  position: relative;
  overflow: hidden;
}
.btn-primary-custom::after {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn-primary-custom:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,61,119,0.45);
  filter: brightness(1.05);
}
.btn-primary-custom:hover::after { left: 100%; }
.btn-primary-custom:active { transform: translateY(-1px); }
.btn-enter { padding: 8px 20px; font-size: 14px; }
.navbar-toggler { border: 1px solid rgba(255,255,255,0.2); padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,61,119,0.25); }
.navbar-toggler-icon {
  background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(228,226,238,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
  .navbar-collapse { background: rgba(13,11,20,0.98); border-radius: 0 0 16px 16px; padding: 20px; }
  .navbar-nav { gap: 4px; margin: 0 0 16px 0 !important; }
  .navbar-nav .nav-link { padding: 12px 16px !important; }
  .header-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .search-box { width: 100%; }
  .search-box input { flex: 1; width: auto; }
  .btn-enter { justify-content: center; }
}

/* ===== Category Hero ===== */
.cat-hero {
  position: relative;
  padding: 180px 0 80px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}
.cat-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13,11,20,0.95) 0%, rgba(13,11,20,0.7) 50%, rgba(13,11,20,0.3) 100%),
              linear-gradient(180deg, rgba(13,11,20,0.4) 0%, transparent 30%);
}
.cat-hero::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0; height: 120px;
  background: linear-gradient(180deg, transparent, var(--bg-deep));
}
.cat-hero .hero-content { position: relative; z-index: 2; max-width: 720px; }
.cat-hero .hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: var(--radius-chip);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 20px;
}
.cat-hero .hero-badge i { color: var(--accent); font-size: 12px; }
.cat-hero h1 { font-size: 44px; margin-bottom: 16px; }
.cat-hero .lead { font-size: 16px; color: rgba(228,226,238,0.8); max-width: 560px; line-height: 1.8; }
.hero-metrics {
  display: flex; flex-wrap: wrap; gap: 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.metric-item { display: flex; align-items: center; gap: 10px; }
.metric-item .metric-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-3);
  font-size: 16px;
}
.metric-item .metric-value { font-size: 22px; font-weight: 800; color: var(--brand-3); line-height: 1.2; }
.metric-item .metric-label { font-size: 12px; color: var(--text-muted); line-height: 1.3; }
@media (max-width: 576px) {
  .cat-hero { padding: 140px 0 60px; }
  .cat-hero h1 { font-size: 32px; }
  .cat-hero .lead { font-size: 15px; }
  .hero-metrics { gap: 16px; }
}

/* ===== Filter Tabs ===== */
.filter-tabs {
  padding: 40px 0 0;
  background: var(--bg-deep);
}
.filter-tabs .filter-wrap {
  display: flex; flex-wrap: wrap; gap: 10px;
  padding: 4px;
}
.filter-chip {
  padding: 8px 22px;
  border-radius: var(--radius-chip);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.3s ease;
  cursor: default;
}
.filter-chip.active {
  background: linear-gradient(135deg, rgba(255,61,119,0.15), rgba(255,181,71,0.15));
  border-color: rgba(255,61,119,0.4);
  color: var(--text-main);
  font-weight: 600;
}
.filter-chip:hover { border-color: rgba(255,61,119,0.4); color: var(--text-main); }

/* ===== Content Grid ===== */
.content-grid {
  padding: 48px 0;
  background: var(--bg-deep);
}
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; }
.section-head h2 { font-size: 32px; margin: 0; }
.section-head .section-desc { color: var(--text-muted); margin: 8px 0 0; font-size: 14px; }
.section-link { color: var(--brand-2); font-size: 14px; font-weight: 600; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.section-link:hover { color: var(--brand-1); }
.content-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,61,119,0.3);
}
.content-card .card-img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.content-card .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.content-card:hover .card-img-wrap img { transform: scale(1.04); }
.card-badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(13,11,20,0.75);
  backdrop-filter: blur(4px);
  color: var(--text-main);
  font-size: 12px; font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-chip);
  border: 1px solid rgba(255,255,255,0.15);
}
.card-rate {
  position: absolute; top: 14px; right: 14px;
  background: rgba(29,26,40,0.9);
  border: 1px solid rgba(255,181,71,0.3);
  color: var(--brand-3);
  font-size: 14px; font-weight: 800;
  padding: 4px 12px;
  border-radius: 8px;
  display: flex; align-items: center; gap: 4px;
}
.card-rate i { font-size: 11px; }
.card-body-custom { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-body-custom h5 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text-main); line-height: 1.4; }
.card-body-custom p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-muted); }
.card-meta .tags { display: flex; gap: 8px; }
.card-meta .tag { background: rgba(255,255,255,0.06); padding: 2px 10px; border-radius: var(--radius-chip); font-size: 11px; }
.card-link { color: var(--brand-2); font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.card-link:hover { color: var(--brand-1); }

/* ===== Video Gallery ===== */
.video-gallery {
  padding: 60px 0;
  background: var(--bg-float);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.video-gallery .gallery-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 16px 4px 20px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.video-gallery .gallery-track::-webkit-scrollbar { display: none; }
.gallery-card {
  flex: 0 0 260px;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  scroll-snap-align: start;
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.gallery-card .gallery-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.gallery-card .gallery-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery-card:hover .gallery-img img { transform: scale(1.04); }
.gallery-card .gallery-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13,11,20,0.7));
}
.gallery-card .play-btn {
  position: absolute; right: 14px; bottom: 14px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 12px;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(255,61,119,0.4);
}
.gallery-card .gallery-info { padding: 16px; }
.gallery-card .gallery-info .tag-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.gallery-card .gallery-info .tag-row span { font-size: 12px; color: var(--text-muted); }
.gallery-card .gallery-info .tag-row .hot { color: var(--brand-3); font-weight: 700; }
.gallery-card .gallery-info h6 { font-size: 15px; font-weight: 600; color: var(--text-main); margin: 0; }
.gallery-controls { display: flex; gap: 12px; justify-content: flex-end; margin-bottom: 24px; }
.gallery-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: var(--text-main);
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.gallery-arrow:hover { background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); border-color: transparent; color: #fff; }
@media (max-width: 576px) {
  .gallery-card { flex: 0 0 200px; }
}

/* ===== Feature Panels ===== */
.feature-panels { background: var(--bg-deep); }
.panel-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 28px;
  height: 100%;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}
.panel-card:hover { border-color: rgba(255,61,119,0.3); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.panel-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,61,119,0.2), rgba(255,138,92,0.2));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--brand-2);
  margin-bottom: 20px;
}
.panel-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.panel-card p { font-size: 14px; line-height: 1.75; margin: 0; }

/* ===== Rankings ===== */
.rank-section { background: var(--bg-float); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.rank-list { display: flex; flex-direction: column; gap: 16px; }
.rank-item {
  display: flex; align-items: center; gap: 18px;
  background: var(--bg-card);
  border-radius: 16px;
  padding: 16px 20px;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}
.rank-item:hover { border-color: rgba(255,138,92,0.3); box-shadow: var(--shadow-card); }
.rank-num {
  font-size: 28px; font-weight: 800;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 48px;
  text-align: center;
  line-height: 1;
}
.rank-item .rank-thumb { width: 64px; height: 48px; border-radius: 10px; object-fit: cover; overflow: hidden; }
.rank-item .rank-info { flex: 1; min-width: 0; }
.rank-item .rank-info h5 { font-size: 15px; font-weight: 600; color: var(--text-main); margin: 0 0 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-item .rank-info .rank-tags { display: flex; gap: 6px; }
.rank-item .rank-info .rank-tags span { font-size: 11px; color: var(--text-muted); background: rgba(255,255,255,0.05); padding: 2px 8px; border-radius: var(--radius-chip); }
.rank-score { font-size: 14px; font-weight: 700; color: var(--brand-3); white-space: nowrap; }
@media (max-width: 576px) {
  .rank-item { flex-wrap: wrap; padding: 14px; }
  .rank-thumb { width: 52px; height: 40px; }
}

/* ===== FAQ ===== */
.faq-section { background: var(--bg-deep); }
.faq-item {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-item:hover { border-color: rgba(255,61,119,0.3); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
}
.faq-question h4 { font-size: 17px; font-weight: 600; color: var(--text-main); margin: 0; }
.faq-question .faq-icon { color: var(--text-muted); transition: transform 0.3s ease; }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--brand-2); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}
.faq-item.active .faq-answer { max-height: 300px; opacity: 1; }
.faq-answer p { padding: 0 24px 20px; font-size: 14px; line-height: 1.75; color: #C9C6D3; margin: 0; }

/* ===== CTA ===== */
.cta-banner {
  padding: 0;
  background: var(--bg-deep);
}
.cta-banner .cta-inner {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
  border-radius: 28px;
  padding: 64px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute; top: -40%; right: -20%;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.cta-inner::after {
  content: '';
  position: absolute; bottom: -60%; left: 10%;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.cta-inner .cta-content { position: relative; z-index: 2; }
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,0.85); font-size: 15px; margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; }
.btn-cta-white {
  background: rgba(13,11,20,0.85);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-cta-white:hover { background: #0D0B14; color: #fff; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
@media (max-width: 576px) {
  .cta-banner .cta-inner { padding: 40px 24px; border-radius: 20px; }
  .cta-inner h2 { font-size: 24px; }
}

/* ===== Pagination ===== */
.pagination-wrap { display: flex; justify-content: center; margin-top: 48px; }
.pagination {
  gap: 8px;
}
.pagination .page-link {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-chip) !important;
  color: var(--text-muted);
  font-size: 14px;
  padding: 8px 16px;
  transition: all 0.3s ease;
  margin: 0;
}
.pagination .page-link:hover {
  background: rgba(255,61,119,0.1);
  border-color: rgba(255,61,119,0.3);
  color: var(--text-main);
}
.pagination .page-item.active .page-link {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(255,61,119,0.3);
}
.pagination .page-item.disabled .page-link {
  background: rgba(255,255,255,0.02);
  border-color: rgba(255,255,255,0.04);
  color: rgba(139,135,152,0.5);
}

/* ===== Footer ===== */
.footer {
  background: #0A0910;
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-columns { margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-text { font-size: 18px; font-weight: 800; color: var(--text-main); }
.footer p { color: var(--text-muted); font-size: 13px; line-height: 1.8; margin-bottom: 8px; }
.footer h4 {
  font-size: 15px; font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer h4::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 24px; height: 2px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-3));
  border-radius: 2px;
}
.footer a { display: block; color: var(--text-muted); font-size: 13px; margin-bottom: 8px; transition: color 0.3s ease; }
.footer a:hover { color: var(--brand-2); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.footer-bottom p { font-size: 12px; color: var(--text-muted); margin: 0; }

/* ===== Utility ===== */
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600;
  color: var(--brand-2);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 20px; height: 2px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2));
  border-radius: 2px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
a:focus, button:focus, input:focus { outline: 2px solid rgba(255,61,119,0.4); outline-offset: 2px; }
.btn:focus, .btn-primary-custom:focus { box-shadow: 0 0 0 4px rgba(255,61,119,0.2); }

/* roulang page: category4 */
:root {
            --bg-deep: #0D0B14;
            --bg-card: #16131F;
            --bg-float: #1D1A28;
            --brand-1: #FF3D77;
            --brand-2: #FF8A5C;
            --brand-3: #FFB547;
            --accent: #35E0C0;
            --text-main: #E4E2EE;
            --text-muted: #8B8798;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-chip: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 40px rgba(255, 61, 119, 0.18), 0 8px 16px rgba(0, 0, 0, 0.3);
            --space-section: 96px;
            --space-section-sm: 64px;
            --container-max: 1200px;
            --font-stack: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-stack);
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--brand-1);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: var(--container-max);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 11, 20, 0.94);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .site-header.navbar-scrolled {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }
        .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            box-shadow: 0 4px 14px rgba(255, 61, 119, 0.3);
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }
        .navbar-toggler {
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 6px 10px;
            background: var(--bg-card);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 61, 119, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(228,226,238,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-nav .nav-item {
            margin: 0 2px;
        }
        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-chip);
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-nav .nav-link.active {
            color: var(--text-main);
            background: linear-gradient(135deg, rgba(255, 61, 119, 0.15), rgba(255, 181, 71, 0.12));
        }
        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-3));
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: nowrap;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #14101D;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-chip);
            padding: 7px 16px;
            gap: 8px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .search-box:focus-within {
            border-color: var(--brand-1);
            box-shadow: 0 0 0 3px rgba(255, 61, 119, 0.12);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 13px;
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 13px;
            width: 130px;
            font-family: inherit;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .login-link {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .login-link:hover {
            color: var(--brand-1);
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 12px 28px;
            font-size: 15px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
            font-family: var(--font-stack);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 61, 119, 0.3);
            outline-offset: 2px;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
            color: #fff;
            border: none;
            box-shadow: 0 8px 24px rgba(255, 61, 119, 0.25);
        }
        .btn-primary-custom:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(255, 61, 119, 0.32);
            filter: brightness(1.05);
        }
        .btn-primary-custom:active {
            transform: translateY(-1px);
            filter: brightness(0.98);
        }
        .btn-ghost-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-main);
        }
        .btn-ghost-custom:hover {
            border-color: var(--brand-1);
            background: rgba(255, 61, 119, 0.08);
            color: var(--text-main);
            transform: translateY(-2px);
        }
        .btn-enter {
            padding: 8px 20px;
            font-size: 14px;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }
        .btn-enter::before {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 60%;
            height: 100%;
            background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.25), transparent);
            transition: left 0.5s ease;
        }
        .btn-enter:hover::before {
            left: 120%;
        }
        .category-hero {
            position: relative;
            padding: 160px 0 96px;
            background: linear-gradient(120deg, rgba(13, 11, 20, 0.94) 0%, rgba(13, 11, 20, 0.75) 50%, rgba(13, 11, 20, 0.4) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border-subtle);
        }
        .category-hero .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-chip);
            padding: 6px 14px;
        }
        .hero-badge i {
            color: var(--accent);
            font-size: 11px;
        }
        .category-hero h1 {
            font-size: 48px;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin: 0 0 20px;
            color: var(--text-main);
            max-width: 560px;
        }
        .category-hero .hero-sub {
            font-size: 16px;
            line-height: 1.75;
            color: #C9C6D3;
            max-width: 560px;
            margin: 0 0 32px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .section-padding {
            padding: var(--space-section) 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-head.left {
            text-align: left;
            margin: 0 0 32px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--brand-3);
            background: rgba(255, 181, 71, 0.12);
            border: 1px solid rgba(255, 181, 71, 0.2);
            border-radius: var(--radius-chip);
            padding: 6px 16px;
            margin-bottom: 16px;
            text-transform: none;
        }
        .section-head h2 {
            font-size: 40px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 16px;
            letter-spacing: -0.3px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
        }
        .feature-section {
            padding: var(--space-section) 0;
            background: var(--bg-deep);
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 61, 119, 0.5), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 61, 119, 0.2);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255, 61, 119, 0.18), rgba(255, 181, 71, 0.14));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-2);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 12px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .scenario-section {
            padding: var(--space-section) 0;
            background: linear-gradient(180deg, var(--bg-deep) 0%, #0F0C16 100%);
            border-top: 1px solid var(--border-subtle);
        }
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 61, 119, 0.2);
        }
        .scenario-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .scenario-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scenario-card:hover .scenario-cover img {
            transform: scale(1.04);
        }
        .scenario-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(13, 11, 20, 0.85) 100%);
        }
        .scenario-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scenario-body .scenario-tag {
            display: inline-flex;
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-3);
            background: rgba(255, 181, 71, 0.1);
            border: 1px solid rgba(255, 181, 71, 0.2);
            border-radius: var(--radius-chip);
            padding: 4px 12px;
            margin-bottom: 14px;
        }
        .scenario-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 10px;
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .process-section {
            padding: var(--space-section) 0;
            background: var(--bg-deep);
        }
        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 28px;
            position: relative;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .process-step:hover {
            border-color: rgba(255, 61, 119, 0.2);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .step-num {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 61, 119, 0.3);
        }
        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 8px;
        }
        .step-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .faq-section {
            padding: var(--space-section) 0;
            background: #0F0C16;
            border-top: 1px solid var(--border-subtle);
        }
        .accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 16px !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.14);
        }
        .accordion-header {
            margin: 0;
        }
        .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 22px 24px;
            border: none;
            box-shadow: none;
            border-radius: 16px;
            font-family: var(--font-stack);
            transition: color 0.25s ease, background 0.25s ease;
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-2);
            background: var(--bg-card);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 61, 119, 0.15);
            border-radius: 16px;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E4E2EE'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform 0.3s ease;
            width: 16px;
            height: 16px;
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FF8A5C'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .accordion-body {
            padding: 0 24px 24px;
            color: #C9C6D3;
            font-size: 14px;
            line-height: 1.75;
            border-top: 1px solid var(--border-subtle);
            padding-top: 16px;
        }
        .cta-section {
            padding: var(--space-section) 0;
            background: var(--bg-deep);
        }
        .cta-banner {
            position: relative;
            border-radius: 28px;
            padding: 64px 48px;
            background: linear-gradient(135deg, rgba(255, 61, 119, 0.2) 0%, rgba(255, 138, 92, 0.16) 45%, rgba(255, 181, 71, 0.12) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border: 1px solid rgba(255, 255, 255, 0.1);
            overflow: hidden;
            text-align: center;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 11, 20, 0.7), rgba(13, 11, 20, 0.85));
        }
        .cta-banner h2,
        .cta-banner p,
        .cta-banner .hero-buttons {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }
        .cta-banner p {
            font-size: 16px;
            color: #C9C6D3;
            max-width: 480px;
            margin: 0 auto 32px;
        }
        .cta-banner .hero-buttons {
            justify-content: center;
        }
        .footer {
            background: #0A0910;
            border-top: 1px solid var(--border-subtle);
            padding: 64px 0 0;
        }
        .footer-columns {
            padding-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            font-size: 17px;
        }
        .footer p {
            color: var(--text-muted);
            font-size: 13px;
            margin: 0 0 10px;
            line-height: 1.7;
        }
        .footer h4 {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 16px;
        }
        .footer a {
            display: block;
            color: var(--text-muted);
            font-size: 13px;
            padding: 4px 0;
            transition: color 0.25s ease, transform 0.25s ease;
        }
        .footer a:hover {
            color: var(--brand-2);
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 991px) {
            .header-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0;
                gap: 10px;
            }
            .header-actions .search-box {
                width: 100%;
            }
            .header-actions .search-box input {
                flex: 1;
                width: auto;
            }
            .header-actions .login-link {
                text-align: center;
            }
            .header-actions .btn-enter {
                text-align: center;
                justify-content: center;
                width: 100%;
            }
            .navbar-collapse {
                padding-top: 8px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
                border-radius: 12px;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: linear-gradient(135deg, rgba(255, 61, 119, 0.18), rgba(255, 181, 71, 0.12));
                color: var(--text-main);
            }
            .category-hero h1 {
                font-size: 38px;
            }
            .section-head h2 {
                font-size: 32px;
            }
            .cta-banner h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 767px) {
            .category-hero {
                padding: 130px 0 64px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .section-padding {
                padding: var(--space-section-sm) 0;
            }
            .feature-section,
            .scenario-section,
            .process-section,
            .faq-section,
            .cta-section {
                padding: var(--space-section-sm) 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .process-step {
                padding: 20px;
                flex-direction: column;
                gap: 14px;
            }
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-buttons .btn {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }
        @media (max-width: 575px) {
            .category-hero h1 {
                font-size: 28px;
            }
            .cta-banner {
                padding: 36px 20px;
                border-radius: 20px;
            }
        }