/* roulang page: index */
:root {
  --bg-primary: #070D1A;
  --bg-secondary: #0C1626;
  --bg-tertiary: #101D31;
  --glass-bg: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --primary: #00E6C3;
  --secondary: #00C2FF;
  --accent: #7C8BFF;
  --success: #16D696;
  --text-primary: #D6E2F2;
  --text-secondary: #8A99B5;
  --text-muted: #5B6B85;
  --radius: 16px;
  --radius-md: 12px;
  --shadow-glow: 0 0 0 1px rgba(0,230,195,0.15), 0 8px 30px rgba(0,0,0,0.35);
  --shadow-card: 0 2px 20px rgba(0,0,0,0.3);
  --border-light: rgba(255,255,255,0.06);
  --transition-base: all .3s cubic-bezier(.4,0,.2,1);
  --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover, a:focus {
  outline: none;
}

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

input, textarea, select {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(0,230,195,0.3);
  color: #fff;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #0C1626;
}
::-webkit-scrollbar-thumb {
  background: #1D2A41;
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

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

.section-padding {
  padding: 96px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }
  .container {
    padding: 0 20px;
  }
}

/* ----- 导航 ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all .4s ease;
  background: rgba(7,13,26,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.site-header.is-scrolled {
  background: rgba(7,13,26,0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: rgba(255,255,255,0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,230,195,0.25), rgba(0,194,255,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,230,195,0.4);
  box-shadow: 0 0 20px rgba(0,230,195,0.18);
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.logo-text .dot {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  letter-spacing: 0.02em;
  transition: all .3s;
}

.nav-menu a:hover {
  color: var(--text-primary);
}

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

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  box-shadow: 0 0 8px rgba(0,230,195,0.6);
}

.nav-auth-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  background: rgba(0,230,195,0.06);
  border: 1px solid rgba(0,230,195,0.2);
  transition: all .3s;
}

.nav-auth-link:hover {
  background: rgba(0,230,195,0.12);
  border-color: rgba(0,230,195,0.45);
  box-shadow: 0 0 16px rgba(0,230,195,0.12);
  color: var(--text-primary);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}

.nav-toggle i {
  font-size: 20px;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(8, 14, 28, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 20px 28px 28px;
    gap: 4px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all .35s ease;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  .nav-menu a.active::after {
    bottom: 0;
    width: 3px;
    height: 100%;
    border-radius: 0;
    background: var(--primary);
    box-shadow: none;
  }

  .nav-auth-wrap {
    display: none;
  }
}

/* ----- Hero ----- */
.hero-wrap {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: 132px 0 96px;
  background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
  isolation: isolate;
}

.hero-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(7,13,26,0.3), rgba(7,13,26,0.6)), linear-gradient(90deg, rgba(7,13,26,0.9) 0%, rgba(7,13,26,0.5) 50%, transparent 100%);
  z-index: -1;
}

.hero-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: radial-gradient(circle at 80% 40%, rgba(0,194,255,0.16) 0%, transparent 60%), radial-gradient(circle at 30% 80%, rgba(0,230,195,0.08) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--glass-bg);
  border: 1px solid rgba(0,230,195,0.2);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

.hero-title .highlight {
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

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

.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #07101a;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 24px rgba(0,230,195,0.2);
  transition: all .4s;
}

.btn-primary-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,230,195,0.3);
  color: #07101a;
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(8px);
  transition: all .4s;
}

.btn-glass:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(0,230,195,0.35);
  color: var(--text-primary);
}

/* 登录面板 */
.login-panel {
  background: rgba(12,22,38,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}

.login-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0,230,195,0.5), transparent);
}

.login-panel .panel-title {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.login-panel .panel-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

.login-panel input {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: all .3s;
}

.login-panel input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,230,195,0.1);
  background: rgba(255,255,255,0.08);
}

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

.panel-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  font-size: 13px;
}

.panel-links a {
  color: var(--text-secondary);
}

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

.panel-links .remember {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
}

.login-panel .btn-panel {
  width: 100%;
  padding: 15px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #07101a;
  font-size: 16px;
  font-weight: 600;
  transition: all .4s;
}

.login-panel .btn-panel:hover {
  box-shadow: 0 4px 20px rgba(0,230,195,0.3);
  transform: translateY(-1px);
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-title {
    font-size: 40px;
  }
}

@media (max-width: 520px) {
  .hero-wrap {
    padding: 122px 0 72px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .login-panel {
    padding: 24px;
  }
  .hero-actions .btn-glass, .hero-actions .btn-primary-glow {
    width: 100%;
  }
}

/* 通用 section 标题 */
.section-heading {
  margin-bottom: 48px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.section-eyebrow .line {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--primary);
}

.section-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .section-title {
    font-size: 24px;
  }
}

/* 快速入口 */
.quick-section {
  background: var(--bg-primary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

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

.quick-card {
  background: var(--glass-bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.quick-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width .4s ease;
}

.quick-card:hover::after {
  width: 100%;
}

.quick-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,230,195,0.3);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  background: rgba(255,255,255,0.07);
}

.quick-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,230,195,0.12), rgba(0,194,255,0.12));
  border: 1px solid rgba(0,230,195,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 26px;
}

.quick-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.quick-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.quick-link {
  display: inline-flex;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  align-items: center;
  gap: 6px;
}

.quick-link i {
  font-size: 12px;
  transition: all .2s;
}

.quick-card:hover .quick-link i {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* 热门内容区 */
.hot-section {
  background: linear-gradient(to bottom, #0C1626, var(--bg-primary));
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.hot-layout {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.hot-card {
  background: var(--glass-bg);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255,255,255,0.06);
}

.hot-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,230,195,0.3);
  box-shadow: 0 12px 36px rgba(0,0,0,0.45);
  background: rgba(255,255,255,0.07);
}

.hot-media {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.hot-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all .5s;
}

.hot-card:hover .hot-media img {
  transform: scale(1.05);
}

.hot-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(7,13,26,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,230,195,0.4);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hot-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.hot-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  color: #fff;
}

.hot-card:hover .hot-body h3 {
  color: var(--primary);
}

.hot-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hot-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}

.hot-meta span {
  font-size: 13px;
  color: #6B7A99;
}

@media (max-width: 1024px) {
  .hot-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* 最新资讯 */
.latest-section {
  background: var(--bg-primary);
}

.latest-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.latest-item {
  display: flex;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all .3s;
  border-radius: 12px;
}

.latest-item:first-child {
  padding-top: 8px;
}

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

.latest-item:hover {
  background: rgba(255,255,255,0.02);
  padding-left: 12px;
}

.latest-num {
  font-family: 'Rajdhani',Inter,sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  width: 50px;
  flex-shrink: 0;
}

.latest-cat {
  display: inline-flex;
  align-items: center;
  width: 110px;
  flex-shrink: 0;
}

.cat-tag {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(124,139,255,0.1);
  border: 1px solid rgba(124,139,255,0.2);
  color: #B3BCFF;
  white-space: nowrap;
}

.cat-tag.green {
  background: rgba(0,230,195,0.08);
  border-color: rgba(0,230,195,0.2);
  color: var(--primary);
}

.latest-body {
  flex: 1;
  padding: 0 24px;
  min-width: 0;
}

.latest-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.latest-body h3 a {
  color: inherit;
}

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

.latest-body p {
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.latest-date {
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed rgba(255,255,255,0.1);
}

.empty-state .empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0,230,195,0.08);
  border: 1px solid rgba(0,230,195,0.2);
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 16px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 15px;
}

@media (max-width: 768px) {
  .latest-item {
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 0;
  }
  .latest-num {
    display: none;
  }
  .latest-body p {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .latest-date {
    display: none;
  }
  .latest-body {
    padding: 0;
  }
}

/* 评价区 */
.review-section {
  background: linear-gradient(to bottom, var(--bg-primary), #0C1626);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.review-stars {
  color: #FFD97A;
  font-size: 14px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255,255,255,0.08);
}

.reviewer .avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,230,195,0.3), rgba(0,194,255,0.3));
  border: 1px solid rgba(0,230,195,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
}

.reviewer-info .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.reviewer-info .role {
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .review-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

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

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

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.faq-item:first-child {
  border-top: 1px solid rgba(255,255,255,0.08);
}

.faq-q {
  padding: 22px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
  transition: color .2s;
}

.faq-q:hover {
  color: var(--primary);
}

.faq-q .caret {
  color: var(--text-muted);
  font-size: 14px;
  transition: all .3s;
  color: var(--accent);
}

.faq-item.open .caret {
  transform: rotate(90deg);
  color: var(--primary);
}

.faq-q {
  border: none;
  text-align: left;
  width: 100%;
  background: none;
}

.faq-item.open .faq-q {
  color: var(--primary);
}

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

.faq-item.open .faq-a {
  max-height: 300px;
}

.faq-a-inner {
  padding: 0 8px 24px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

/* 保障条 */
.guarantee-section {
  background: #0C1626;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 64px 0;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.g-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
}

.g-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0,230,195,0.08);
  border: 1px solid rgba(0,230,195,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  margin-bottom: 6px;
}

.g-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.g-item p {
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .guarantee-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

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

/* 底部 CTA */
.cta-section {
  background: var(--bg-primary);
  padding: 80px 0;
}

.cta-box {
  background: linear-gradient(to bottom, rgba(12,22,38,0.8), rgba(8,14,28,0.95)), linear-gradient(120deg, rgba(0,230,195,0.2), transparent);
  border: 1px solid rgba(0,230,195,0.15);
  border-radius: 28px;
  padding: 48px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02), 0 20px 60px rgba(0,0,0,0.3);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 90% 20%, rgba(0,230,195,0.2) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  flex: 1;
  min-width: 280px;
}

.cta-content h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.cta-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

@media (max-width: 640px) {
  .cta-box {
    padding: 28px 24px;
  }
  .cta-content h2 {
    font-size: 24px;
  }
  .cta-actions {
    width: 100%;
    flex-direction: column;
  }
  .cta-actions .btn-glass, .cta-actions .btn-primary-glow {
    width: 100%;
  }
}

/* 页脚 */
.site-footer {
  background: #050A14;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 44px;
  margin-bottom: 56px;
}

.footer-brand .logo-wrap {
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 18px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  padding: 8px 0;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  position: relative;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-contact p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 12px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-bottom a {
  color: var(--text-muted);
  margin-left: 20px;
}

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

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* 颜色方式下小程序需要的通用样式 */
.text-muted {
  color: var(--text-muted);
}

.text-accent {
  color: var(--accent);
}

.gradient-border {
  border: 1px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

/* 视觉安全关键：让一些没有被Tailwind覆盖的交互稳定 */
.list-unstyled {
  list-style: none;
  margin: 0;
  padding: 0;
}

.msg-null {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* roulang page: article */
:root {
  --bg-deep: #070D1A;
  --bg-secondary: #0B1524;
  --bg-elevated: #101D31;
  --panel-white: rgba(255,255,255,0.045);
  --line-white: rgba(255,255,255,0.09);
  --cyan: #00E6C3;
  --cyan-blue: #00C2FF;
  --violet: #7C8BFF;
  --green: #16D696;
  --text-main: #D6E2F2;
  --text-soft: #B3C1D6;
  --text-muted: #8A99B5;
  --dark-plain: #080E1C;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 16px 44px rgba(0, 0, 0, 0.28);
  --shadow-glow: 0 0 44px rgba(0, 230, 195, 0.12);
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

ul,
ol,
figure,
dl,
p,
h1,
h2,
h3,
h4 {
  margin: 0;
  padding: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

button,
input {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(7, 13, 26, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header .container {
  max-width: 1200px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 22px;
}

.logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #05121A;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-blue) 100%);
  box-shadow: 0 0 26px rgba(0, 230, 195, 0.25), inset 0 0 12px rgba(255,255,255,0.28);
  transition: transform 0.2s ease;
}

.logo-wrap:hover .logo-icon {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 230, 195, 0.38);
}

.logo-text {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: #F2F7FF;
  white-space: nowrap;
}

.logo-text .dot {
  color: var(--cyan);
  margin: 0 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 5px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menu li {
  list-style: none;
}

.nav-menu a {
  display: inline-block;
  padding: 9px 15px;
  font-size: 14px;
  color: var(--text-soft);
  border-radius: 999px;
  letter-spacing: 0.01em;
  position: relative;
}

.nav-menu a i {
  font-size: 12px;
  margin-right: 5px;
  opacity: 0.7;
}

.nav-menu a:hover {
  color: #FFFFFF;
  background: rgba(255,255,255,0.06);
}

.nav-menu a.active {
  color: var(--cyan);
  font-weight: 600;
  background: rgba(0, 230, 195, 0.08);
  box-shadow: 0 0 0 1px rgba(0,230,195,0.12);
}

.nav-menu a.active::after {
  opacity: 1;
}

.nav-auth-wrap {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.nav-auth-link {
  font-size: 13px;
  color: var(--text-main);
  border: 1px solid rgba(0, 230, 195, 0.28);
  background: rgba(0, 230, 195, 0.05);
  padding: 8px 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.nav-auth-link i {
  color: var(--cyan);
}

.nav-auth-link:hover {
  background: rgba(0, 230, 195, 0.13);
  border-color: rgba(0, 230, 195, 0.5);
  color: #FFFFFF;
  box-shadow: 0 0 26px rgba(0, 230, 195, 0.12);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #D6E2F2;
  font-size: 20px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* article top */
.article-banner {
  position: relative;
  background: linear-gradient(rgba(8, 14, 28, 0.82), rgba(8, 14, 28, 0.92)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  padding: 70px 0 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.article-banner::after {
  content: "";
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb a {
  color: var(--text-muted);
}

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

.breadcrumb i {
  font-size: 10px;
  color: rgba(255,255,255,0.3);
}

.article-category-badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--cyan);
  border: 1px solid rgba(0, 230, 195, 0.3);
  background: rgba(0, 230, 195, 0.08);
  border-radius: 999px;
}

.article-banner h1 {
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: 0.02em;
  max-width: 920px;
  color: #F4F8FF;
}

.article-banner h1 i {
  color: var(--cyan);
  font-size: 26px;
  margin-right: 4px;
}

.article-meta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  color: var(--text-muted);
  font-size: 13px;
}

.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta-item i {
  color: var(--cyan);
  font-size: 12px;
}

.article-meta-item em {
  font-style: normal;
  color: var(--text-soft);
}

/* article layout */
.article-section {
  padding: 80px 0 20px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 50px;
  align-items: start;
}

.article-main {
  min-width: 0;
}

.article-body {
  color: #C7D3E5;
  font-size: 15px;
  line-height: 1.9;
  word-wrap: break-word;
}

.article-body > * + * {
  margin-top: 26px;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: #F0F5FF;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.55;
}

.article-body h2 {
  font-size: 26px;
  margin-top: 52px;
  border-left: 4px solid var(--cyan);
  padding-left: 16px;
}

.article-body h3 {
  font-size: 20px;
  margin-top: 42px;
}

.article-body h4 {
  font-size: 17px;
  margin-top: 30px;
  color: var(--text-main);
}

.article-body p {
  font-size: 15px;
}

.article-body ul,
.article-body ol {
  padding-left: 26px;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 10px;
}

.article-body li::marker {
  color: var(--cyan);
}

.article-body a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(0, 230, 195, 0.2);
}

.article-body a:hover {
  color: #FFFFFF;
  border-bottom-color: var(--cyan);
}

.article-body blockquote {
  background: rgba(255, 255, 255, 0.04);
  border-left: 4px solid var(--cyan);
  padding: 18px 22px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 15px;
}

.article-body blockquote strong {
  color: var(--text-main);
}

.article-body img {
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 8px 26px rgba(0,0,0,0.18);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: rgba(255,255,255,0.02);
  border-radius: 14px;
  overflow: hidden;
}

.article-body th,
.article-body td {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 12px 16px;
  text-align: left;
  color: #C3CFE0;
}

.article-body th {
  background: rgba(0, 230, 195, 0.08);
  color: var(--cyan);
  font-weight: 700;
}

.article-body hr {
  border: 0;
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 26px 0;
}

.article-body code {
  background: #16233A;
  color: #BDEBE1;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.9em;
  word-break: break-all;
}

.article-not-found-card {
  padding: 64px 28px;
  text-align: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
}

.article-not-found-card i {
  font-size: 42px;
  color: var(--cyan);
  opacity: 0.4;
  margin-bottom: 20px;
}

.article-not-found-card h2 {
  font-size: 24px;
  color: #EDF3FF;
  font-weight: 700;
}

.article-not-found-card p {
  color: var(--text-muted);
  margin-top: 12px;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--cyan);
  padding: 11px 24px;
  margin-top: 22px;
  border-radius: 999px;
  border: 1px solid rgba(0, 230, 195, 0.35);
  background: rgba(0, 230, 195, 0.07);
  font-weight: 600;
  transition: 0.3s ease;
}

.btn-line:hover {
  background: rgba(0, 230, 195, 0.14);
  color: #FFFFFF;
  box-shadow: 0 0 28px rgba(0, 230, 195, 0.15);
}

/* aside */
.article-aside {
  position: sticky;
  top: 108px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.aside-card {
  background: var(--panel-white);
  border: 1px solid var(--line-white);
  border-radius: 18px;
  padding: 24px;
  backdrop-filter: blur(6px);
}

.aside-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #EAF2FF;
  letter-spacing: 0.03em;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.aside-card h3 i {
  color: var(--cyan);
  font-size: 13px;
}

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

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.07);
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.6;
}

.check-list li:last-child {
  border-bottom: 0;
}

.check-list li i {
  color: var(--green);
  font-size: 12px;
  margin-top: 5px;
}

.aside-link-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-link-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--text-soft);
  padding: 10px 12px;
  border-radius: 9px;
}

.aside-link-list a i {
  font-size: 10px;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s ease, transform 0.2s ease;
}

.aside-link-list a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--cyan);
}

.aside-link-list a:hover i {
  color: var(--cyan);
  transform: translateX(4px);
}

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

.aside-hot-item {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255,255,255,0.025);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 8px 10px;
  transition: 0.25s ease;
}

.aside-hot-item img {
  width: 70px;
  height: 59px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.aside-hot-item .aside-hot-info {
  min-width: 0;
}

.aside-hot-item span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.aside-hot-item small {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-top: 3px;
}

.aside-hot-item:hover {
  border-color: rgba(0, 230, 195, 0.18);
  background: rgba(0, 230, 195, 0.04);
}

.aside-note {
  background: linear-gradient(135deg, rgba(0, 230, 195, 0.08), rgba(0, 194, 255, 0.05));
  border: 1px solid rgba(0, 230, 195, 0.18);
  border-radius: 18px;
  padding: 22px;
  margin-top: 6px;
}

.aside-note span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 12px;
}

.aside-note p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.8;
}

/* related block */
.related-block {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 80px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 800;
  color: #ECF3FF;
  letter-spacing: 0.01em;
}

.section-head h2 span {
  background: linear-gradient(90deg, var(--cyan), var(--cyan-blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-head p {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 400px;
  line-height: 1.8;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.other-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--panel-white);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 18px;
  overflow: hidden;
  transition: 0.3s ease;
  height: 100%;
}

.other-card .entry-thumb {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  flex-shrink: 0;
}

.other-card .entry-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.other-card .tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(7, 13, 26, 0.76);
  backdrop-filter: blur(10px);
  padding: 4px 14px;
  border-radius: 999px;
  color: var(--cyan);
  border: 1px solid rgba(0,230,195,0.35);
  font-size: 12px;
  font-weight: 600;
}

.other-card .other-info {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.other-card .other-info h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 10px;
  flex-grow: 1;
}

.other-card .other-info h3 a {
  transition: 0.2s;
}

.other-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 230, 195, 0.16);
  box-shadow: 0 14px 45px rgba(0,0,0,0.22), 0 0 0 1px rgba(0, 230, 195, 0.13);
}

.other-card:hover .entry-thumb img {
  transform: scale(1.06);
}

.other-card:hover .other-info h3 a {
  color: var(--cyan);
}

.other-card .other-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(170, 184, 204, 0.85);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.other-card .more-line {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: var(--text-soft);
  gap: 6px;
  margin-top: 18px;
  transition: 0.2s;
}

.other-card .more-line i {
  font-size: 10px;
}

.other-card:hover .more-line {
  color: var(--cyan);
}

/* step / trust */
.trust-band {
  padding: 42px 0;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.trust-item .trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 230, 195, 0.08);
  border: 1px solid rgba(0, 230, 195, 0.14);
  color: var(--cyan);
  font-size: 18px;
}

.trust-item h4 {
  font-size: 15px;
  color: var(--text-main);
  font-weight: 700;
}

.trust-item p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* bottom CTA */
.mid-cta {
  padding: 74px 0;
}

.mid-cta-box {
  background: linear-gradient(135deg, #0C1E32 0%, #0A1527 55%, #0D1F33 100%);
  border-radius: 26px;
  position: relative;
  overflow: hidden;
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border: 1px solid rgba(0, 230, 195, 0.18);
}

.mid-cta-box::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 230, 195, 0.11), transparent 55%);
  top: -180px;
  right: -100px;
}

.mid-cta-box::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(124, 139, 255, 0.14), transparent 60%);
  bottom: -170px;
  left: 30px;
}

.cta-copy {
  position: relative;
  z-index: 2;
}

.cta-copy h2 {
  font-size: 30px;
  font-weight: 800;
  color: #F1F5FF;
  letter-spacing: 0.02em;
  line-height: 1.55;
}

.cta-copy h2 span {
  color: var(--cyan);
}

.cta-copy p {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 14px;
  max-width: 520px;
  line-height: 1.9;
}

.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  flex: 1;
  flex-shrink: 0;
  justify-content: flex-end;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #00E6C3 0%, #00C2FF 100%);
  color: #0A1A22;
  font-weight: 700;
  font-size: 14px;
  padding: 14px 26px;
  border-radius: 999px;
  border: none;
  box-shadow: 0 0 20px rgba(0, 230, 195, 0.25);
  transition: 0.3s ease;
  cursor: pointer;
}

.btn-primary:hover {
  box-shadow: 0 6px 36px rgba(0, 230, 195, 0.34);
  transform: translateY(-2px);
  color: #040B12;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
  color: #D5E1F0;
  font-size: 14px;
  padding: 14px 24px;
  border-radius: 999px;
  transition: 0.3s ease;
  cursor: pointer;
}

.btn-ghost:hover {
  border-color: rgba(0, 230, 195, 0.42);
  background: rgba(0,230,195,0.07);
  color: var(--cyan);
}

/* footer */
.site-footer {
  background: #060C18;
  padding: 72px 0 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 46px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 330px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #DDE6FF;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: relative;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 30px;
  height: 2px;
  background: var(--cyan);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links li a {
  font-size: 13.5px;
  color: var(--text-muted);
  position: relative;
  transition: 0.25s;
  padding-left: 2px;
}

.footer-links li a::before {
  content: "";
  width: 0;
  height: 1px;
  background: var(--cyan);
  position: absolute;
  left: 0;
  bottom: -3px;
  transition: all 0.25s ease;
}

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

.footer-links li a:hover::before {
  width: 100%;
}

.footer-contact p {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-contact i {
  color: var(--cyan);
  width: 15px;
  margin-top: 5px;
  font-size: 12px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.footer-bottom a {
  font-size: 12px;
  color: var(--text-muted);
  margin-right: 18px;
  transition: 0.25s;
}

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

/* tablet */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .article-aside {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 18px;
  }

  .article-aside .aside-card {
    flex: 1 1 240px;
  }

  .article-aside .aside-note {
    width: 100%;
  }

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

  .trust-inner {
    grid-template-columns: 1fr 1fr;
  }

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

/* mobile */
@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .header-inner {
    min-height: 68px;
  }

  .logo-text {
    font-size: 16px;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
  }

  .nav-auth-wrap {
    display: none !important;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(7, 13, 26, 0.96);
    backdrop-filter: blur(24px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 20px 28px 28px;
    gap: 3px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 26px 60px rgba(0,0,0,0.4);
  }

  .nav-body.nav-open .nav-menu,
  body.nav-open .nav-menu {
    display: flex;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }

  .nav-menu a {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 15px;
  }

  .nav-menu a i {
    width: 18px;
  }

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

  .article-banner {
    padding: 48px 0 34px;
  }

  .article-section {
    padding: 48px 0 10px;
  }

  .article-meta {
    gap: 14px;
    font-size: 12.5px;
  }

  .article-body {
    font-size: 15px;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .related-block {
    padding: 54px 0;
  }

  .section-head {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

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

  .trust-inner {
    grid-template-columns: 1fr 1fr;
  }

  .mid-cta {
    padding: 54px 0;
  }

  .mid-cta-box {
    flex-direction: column;
    align-items: stretch;
    padding: 30px 24px;
    gap: 25px;
  }

  .cta-actions {
    justify-content: flex-start;
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-ghost {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

@media (max-width: 520px) {
  .logo-text {
    font-size: 14px;
  }

  .trust-inner,
  .grid-three {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* a11y focus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

/* roulang page: category1 */
:root {
    --bg-page: #070d1a;
    --bg-soft: #0c1626;
    --bg-panel: #101d31;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.09);
    --line: rgba(255, 255, 255, 0.08);
    --brand: #00e6c3;
    --brand-blue: #00c2ff;
    --violet: #7c8bff;
    --success: #16d696;
    --text-main: #d6e2f2;
    --text-weak: #8a99b5;
    --text-dim: #64748f;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-soft: 0 22px 60px -24px rgba(0, 0, 0, 0.55);
    --shadow-brand: 0 18px 48px -22px rgba(0, 230, 195, 0.45);
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg-page);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }

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

  a {
    color: inherit;
    text-decoration: none;
  }

  section[id],
  div[id] {
    scroll-margin-top: 96px;
  }

  .container {
    width: min(1200px, 100% - 40px);
    margin-inline: auto;
  }

  .page-category {
    background:
      linear-gradient(180deg, rgba(7, 13, 26, 0.5) 0%, rgba(7, 13, 26, 1) 420px),
      radial-gradient(circle at 80% 6%, rgba(0, 230, 195, 0.08), transparent 28%),
      var(--bg-page);
  }

  /* ---------- header ---------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 80;
    width: 100%;
    height: 74px;
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
    background: rgba(7, 13, 26, 0.28);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }

  .site-header.scrolled {
    background: rgba(7, 13, 26, 0.86);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 38px -20px rgba(0, 0, 0, 0.6);
  }

  .header-inner {
    height: 74px;
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .logo-wrap {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    line-height: 1.2;
    flex-shrink: 0;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    color: #041018;
    background: linear-gradient(145deg, var(--brand), var(--brand-blue));
    box-shadow: 0 10px 24px -12px rgba(0, 230, 195, 0.5);
    font-size: 15px;
  }

  .logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.2px;
    color: #edf4ff;
    white-space: nowrap;
  }

  .logo-text .dot {
    color: var(--brand);
    margin: 0 1px;
  }

  .nav-menu {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 34px;
  }

  .nav-menu a {
    position: relative;
    display: inline-block;
    font-size: 14.5px;
    color: var(--text-weak);
    padding: 8px 2px;
    letter-spacing: 0.2px;
    transition: color 0.25s ease;
  }

  .nav-menu a:hover {
    color: var(--text-main);
  }

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

  .nav-menu a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -4px;
    width: 20px;
    height: 3px;
    border-radius: 3px;
    background: var(--brand);
  }

  .nav-auth-wrap {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .nav-auth-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 38px;
    padding: 0 15px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    color: #d7edf4;
    font-size: 13.5px;
    transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
  }

  .nav-auth-link:hover {
    border-color: rgba(0, 230, 195, 0.4);
    background: rgba(0, 230, 195, 0.08);
    color: var(--brand);
  }

  .nav-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    font-size: 16px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s ease;
  }

  .nav-toggle:hover {
    border-color: rgba(0, 230, 195, 0.4);
    color: var(--brand);
  }

  /* ---------- buttons ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    height: 48px;
    padding: 0 24px;
    border-radius: 999px;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: 0.2px;
    line-height: 1;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    white-space: nowrap;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-blue) 100%);
    color: #041018;
    box-shadow: 0 14px 34px -16px rgba(0, 230, 195, 0.55);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px -16px rgba(0, 230, 195, 0.72);
  }

  .btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(6px);
  }

  .btn-ghost:hover {
    border-color: rgba(0, 230, 195, 0.35);
    color: var(--brand);
    transform: translateY(-2px);
    background: rgba(0, 230, 195, 0.05);
  }

  .btn-small {
    height: 40px;
    padding: 0 17px;
    font-size: 13px;
  }

  /* ---------- hero ---------- */
  .category-hero {
    position: relative;
    min-height: 600px;
    padding: 164px 0 96px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background-position: center 18%;
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
  }

  .category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(90deg, rgba(7, 13, 26, 0.96) 0%, rgba(7, 13, 26, 0.66) 62%, rgba(7, 13, 26, 0.46) 100%),
      linear-gradient(180deg, rgba(7, 13, 26, 0.6) 0%, rgba(7, 13, 26, 0.2) 45%, rgba(7, 13, 26, 0.9) 100%);
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(340px, 1fr);
    gap: 56px;
    align-items: center;
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 0.3px;
    color: var(--brand);
    background: rgba(0, 230, 195, 0.09);
    border: 1px solid rgba(0, 230, 195, 0.16);
    padding: 5px 12px;
    border-radius: 999px;
    margin: 0 0 22px;
  }

  .cat-hero h1 {
    font-size: clamp(40px, 5vw, 58px);
    line-height: 1.12;
    margin: 0 0 22px;
    color: #eff6ff;
    letter-spacing: -0.5px;
  }

  .hero-sub {
    font-size: 17px;
    line-height: 1.85;
    color: #aebdd6;
    max-width: 560px;
    margin: 0 0 30px;
  }

  .hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 36px;
  }

  .hero-quickline {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 30px;
    color: var(--text-weak);
    font-size: 13px;
    margin-top: 10px;
  }

  .hero-quickline i {
    color: var(--success);
    margin-right: 5px;
  }

  .hero-info-card {
    width: min(100%, 390px);
    margin-left: auto;
    border-radius: 24px;
    background: rgba(12, 22, 38, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.11);
    box-shadow: 0 30px 80px -34px rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
  }

  .info-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: #eaf0ff;
    padding-bottom: 14px;
    margin-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .info-card-head i {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--brand);
    background: rgba(0, 230, 195, 0.12);
  }

  .info-card-list {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .info-card-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 13px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
    color: #b7c4dc;
    font-size: 14px;
  }

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

  .info-card-list i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 5px;
    border-radius: 50%;
    background: rgba(0, 230, 195, 0.1);
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
  }

  /* ---------- anchor nav ---------- */
  .cat-anchor-nav {
    position: relative;
    z-index: 6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(7, 13, 26, 0.5);
  }

  .cat-anchor-inner {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    padding: 16px 0;
    scrollbar-width: none;
  }

  .cat-anchor-inner::-webkit-scrollbar {
    display: none;
  }

  .cat-anchor-inner a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 40px;
    border-radius: 999px;
    padding: 0 17px;
    font-size: 13.5px;
    color: var(--text-weak);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.025);
    transition: all 0.2s ease;
    flex-shrink: 0;
  }

  .cat-anchor-inner a:hover {
    color: var(--brand);
    border-color: rgba(0, 230, 195, 0.3);
    background: rgba(0, 230, 195, 0.06);
  }

  .cat-anchor-inner a i {
    font-size: 12px;
  }

  /* ---------- section ---------- */
  .section {
    padding: 104px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .section-head {
    max-width: 760px;
    margin-bottom: 52px;
  }

  .section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--brand);
    margin: 0 0 10px;
  }

  .section-head h2 {
    margin: 0 0 12px;
    font-size: clamp(26px, 3vw, 36px);
    line-height: 1.28;
    color: #edf5ff;
    letter-spacing: -0.3px;
  }

  .section-head p {
    color: var(--text-weak);
    margin: 0;
    font-size: 15.5px;
  }

  .tag-label {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 10px;
    border-radius: 6px;
    background: rgba(0, 230, 195, 0.08);
    color: var(--brand);
    font-size: 12px;
    letter-spacing: 0.2px;
  }

  .text-plain {
    color: var(--text-main);
  }

  .dot-primary {
    color: var(--brand);
  }

  /* overview */
  .overview-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
  }

  .under-card {
    background: rgba(12, 22, 38, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    padding: 26px;
    transition: transform 0.25s ease, border-color 0.25s ease;
  }

  .under-card:hover {
    transform: translateY(-3px);
  }

  .under-card .card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 10px;
    font-size: 17px;
    color: #e5efff;
  }

  .under-card .card-title i {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: rgba(0, 230, 195, 0.12);
    color: var(--brand);
    font-size: 14px;
  }

  .under-card > p {
    color: var(--text-weak);
    margin: 0 0 18px;
    font-size: 14px;
  }

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

  .mini-list li {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #b7c5df;
    font-size: 13.8px;
    padding: 8px 0;
  }

  .mini-list li i {
    margin-top: 7px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    font-size: 8px;
    color: var(--brand);
    background: rgba(0, 230, 195, 0.14);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .alert-note {
    border: 1px solid rgba(124, 139, 255, 0.24);
    background: rgba(124, 139, 255, 0.06);
    border-radius: 16px;
    padding: 15px 18px;
    color: #c0c8e8;
    font-size: 13.5px;
    margin-top: 22px;
  }

  .alert-note i {
    color: var(--violet);
    margin-right: 7px;
  }

  /* feature row */
  .feature-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0) 18%), var(--bg-page);
  }

  .feature-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 70px;
    align-items: center;
    scroll-margin-top: 110px;
  }

  .feature-row + .feature-row {
    margin-top: 84px;
    padding-top: 84px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .feature-row.flip .feature-media {
    order: 2;
  }

  .feature-text .feature-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
  }

  .feature-text h3 {
    font-size: 24px;
    margin: 0 0 12px;
    color: #edf5ff;
  }

  .feature-text > p {
    color: var(--text-weak);
    margin: 0 0 22px;
    line-height: 1.85;
  }

  .feature-check-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
  }

  .feature-check-list li {
    position: relative;
    padding-left: 22px;
    color: #bbcaee;
    font-size: 14px;
  }

  .feature-check-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 1px;
    color: var(--brand);
    font-size: 12px;
  }

  .feature-media {
    position: relative;
  }

  .feature-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 26px 70px -30px rgba(0, 0, 0, 0.8);
  }

  .feature-caption {
    position: absolute;
    left: 16px;
    bottom: 16px;
    right: 16px;
    border-radius: 14px;
    background: rgba(7, 13, 26, 0.74);
    backdrop-filter: blur(10px);
    color: #cfe0f7;
    font-size: 13px;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .feature-caption cite {
    font-style: normal;
    color: var(--brand);
    font-weight: 600;
  }

  /* scenario cards */
  .scenario-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    counter-reset: scenario;
  }

  .scenario-card {
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 22px 20px;
    transition: all 0.25s ease;
  }

  .scenario-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 230, 195, 0.32);
    transform: translateY(-3px);
  }

  .scenario-num {
    font-family: "Inter", "Rajdhani", sans-serif;
    color: var(--brand);
    font-size: 13px;
    border: 1px solid rgba(0, 230, 195, 0.25);
    background: rgba(0, 230, 195, 0.08);
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 9px;
    border-radius: 999px;
    margin-bottom: 15px;
  }

  .scenario-card h3 {
    font-size: 15.5px;
    margin: 0 0 7px;
    color: #e5eeff;
  }

  .scenario-card p {
    color: var(--text-weak);
    margin: 0;
    font-size: 13.5px;
    line-height: 1.7;
  }

  /* steps */
  .steps-section {
    background:
      radial-gradient(circle at 12% 22%, rgba(0, 230, 195, 0.06), transparent 360px),
      linear-gradient(180deg, #08101b, #060c16);
  }

  .steps-wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 38px;
    position: relative;
  }

  .step-item {
    position: relative;
    padding: 0 24px 0 0;
  }

  .step-item::after {
    content: "";
    position: absolute;
    top: 27px;
    right: 0;
    left: 30px;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 230, 195, 0.3), rgba(255, 255, 255, 0.08));
  }

  .step-item:last-child::after {
    display: none;
  }

  .step-dot {
    width: 54px;
    height: 54px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--brand);
    background: rgba(0, 230, 195, 0.1);
    border: 1px solid rgba(0, 230, 195, 0.3);
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 14px 32px -14px rgba(0, 230, 195, 0.35);
    margin-bottom: 18px;
  }

  .step-item h3 {
    font-size: 16px;
    color: #e7efff;
    margin: 0 0 8px;
  }

  .step-item p {
    color: var(--text-weak);
    font-size: 13.5px;
    line-height: 1.7;
    margin: 0;
  }

  /* trust strip */
  .trust-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    overflow: hidden;
    background: rgba(12, 22, 38, 0.5);
  }

  .trust-cell {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 1px solid rgba(255, 255, 255, 0.06);
  }

  .trust-cell:first-child {
    border-left: none;
  }

  .trust-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 195, 0.1);
    border: 1px solid rgba(0, 230, 195, 0.22);
    color: var(--brand);
    font-size: 15px;
    flex-shrink: 0;
  }

  .trust-cell strong {
    display: block;
    font-size: 14px;
    color: #dcebff;
    margin-bottom: 3px;
  }

  .trust-cell small {
    display: block;
    color: var(--text-weak);
    font-size: 12px;
    line-height: 1.5;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    cursor: pointer;
    padding: 22px 4px;
    color: #dceaff;
    font-size: 16px;
    font-weight: 600;
    transition: color 0.2s ease;
  }

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

  .faq-item summary:hover {
    color: var(--brand);
  }

  .faq-item .faq-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--brand);
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease;
  }

  .faq-item[open] .faq-icon {
    transform: rotate(135deg);
    background: rgba(0, 230, 195, 0.12);
  }

  .faq-item .answer {
    padding: 0 26px 24px 4px;
    color: var(--text-weak);
    line-height: 1.85;
    font-size: 14.5px;
    max-width: 760px;
  }

  .faq-item .answer strong {
    color: #b7d5ee;
    font-weight: 600;
  }

  /* ---------- final cta ---------- */
  .cta-panel-section {
    padding: 80px 0 96px;
  }

  .cta-panel {
    position: relative;
    border-radius: 28px;
    border: 1px solid rgba(0, 230, 195, 0.22);
    background:
      linear-gradient(120deg, rgba(0, 230, 195, 0.1), rgba(0, 194, 255, 0.04) 52%, rgba(124, 139, 255, 0.08)),
      rgba(10, 18, 32, 0.8);
    overflow: hidden;
    padding: 42px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
  }

  .cta-panel::after {
    content: "";
    position: absolute;
    width: 340px;
    height: 340px;
    right: -90px;
    top: -160px;
    background: radial-gradient(circle, rgba(0, 230, 195, 0.17), transparent 68%);
    pointer-events: none;
  }

  .cta-text h2 {
    font-size: 28px;
    margin: 0 0 8px;
    color: #edf6ff;
  }

  .cta-text p {
    margin: 0;
    color: var(--text-weak);
    max-width: 660px;
    font-size: 14.5px;
  }

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

  .back-home-line {
    text-align: center;
    margin-top: 34px;
  }

  .back-home-line a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-weak);
    font-size: 14px;
    transition: color 0.2s ease;
  }

  .back-home-line a:hover {
    color: var(--brand);
  }

  /* ---------- footer ---------- */
  .site-footer {
    background: #050a13;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 56px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
    gap: 44px;
    padding-bottom: 50px;
  }

  .footer-brand p {
    color: var(--text-weak);
    margin: 14px 0 0;
    font-size: 13.5px;
    line-height: 1.75;
  }

  .footer-title {
    color: #d8e7fb;
    font-size: 15px;
    margin: 0 0 16px;
    font-weight: 600;
  }

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

  .footer-links li {
    margin-bottom: 11px;
  }

  .footer-links a {
    color: var(--text-weak);
    font-size: 14px;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--brand);
    padding-left: 4px;
  }

  .footer-contact p {
    color: var(--text-weak);
    font-size: 13.5px;
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .footer-contact i {
    color: var(--brand);
    width: 18px;
    text-align: center;
    font-size: 13px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 18px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: #61718c;
    font-size: 12.5px;
  }

  .footer-bottom a {
    color: #7488a5;
    margin-left: 18px;
    transition: color 0.2s ease;
  }

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

  /* ---------- responsive ---------- */
  @media (max-width: 1180px) {
    .nav-menu {
      gap: 22px;
    }

    .nav-auth-link {
      font-size: 12px;
    }
  }

  @media (max-width: 1024px) {
    .category-hero {
      min-height: auto;
      padding: 140px 0 70px;
    }

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

    .hero-info-card {
      margin-right: auto;
      margin-left: initial;
      width: 100%;
    }

    .feature-row {
      gap: 36px;
    }

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

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

    .trust-cell:nth-child(2) {
      border-left: none;
    }

    .trust-cell:nth-child(1),
    .trust-cell:nth-child(2) {
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .steps-wrap {
      grid-template-columns: repeat(2, 1fr);
      row-gap: 32px;
    }

    .step-item::after {
      display: none;
    }

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

  @media (max-width: 860px) {
    .nav-menu {
      position: fixed;
      top: 74px;
      right: 14px;
      left: 14px;
      z-index: 70;
      display: none;
      flex-direction: column;
      align-items: stretch;
      background: rgba(7, 13, 26, 0.96);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 18px;
      padding: 12px;
      gap: 2px;
      box-shadow: 0 28px 66px -20px rgba(0, 0, 0, 0.8);
    }

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

    .nav-menu a {
      padding: 13px 14px;
      border-radius: 12px;
      font-size: 14px;
    }

    .nav-menu a.active {
      background: rgba(0, 230, 195, 0.08);
      color: var(--brand);
    }

    .nav-menu a.active::after {
      left: 14px;
      transform: none;
      bottom: auto;
      top: 50%;
      margin-top: -8px;
      width: 3px;
      height: 16px;
    }

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

    .nav-auth-wrap {
      display: none;
    }
  }

  @media (max-width: 760px) {
    .section {
      padding: 70px 0;
    }

    .cat-anchor-inner {
      padding: 12px 0;
    }

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

    .hero-info-card {
      margin-right: 0;
      margin-top: 18px;
    }

    .category-hero {
      padding: 126px 0 52px;
    }

    .feature-row,
    .feature-row.flip {
      grid-template-columns: 1fr;
    }

    .feature-row.flip .feature-media {
      order: 0;
    }

    .feature-row + .feature-row {
      margin-top: 56px;
      padding-top: 56px;
    }

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

    .steps-wrap {
      grid-template-columns: 1fr;
    }

    .step-item {
      display: flex;
      gap: 16px;
      padding: 0;
    }

    .step-dot {
      flex-shrink: 0;
      margin-bottom: 0;
    }

    .cta-panel {
      flex-direction: column;
      padding: 32px 24px;
    }

    .cta-actions {
      width: 100%;
    }

    .cta-actions .btn {
      flex: 1;
      min-height: 48px;
    }

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

  @media (max-width: 560px) {
    .container {
      width: min(100% - 28px, 1200px);
    }

    .logo-text {
      font-size: 16px;
    }

    .cat-hero h1 {
      font-size: clamp(32px, 10vw, 40px);
    }

    .hero-sub {
      font-size: 15px;
    }

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

    .feature-check-list {
      grid-template-columns: 1fr;
    }

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

    .trust-strip {
      grid-template-columns: 1fr;
    }

    .trust-cell,
    .trust-cell:nth-child(2) {
      border-left: none;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .trust-cell:last-child {
      border-bottom: none;
    }

    .footer-bottom {
      justify-content: center;
      text-align: center;
    }

    .footer-bottom a {
      margin: 6px 8px;
    }
  }

/* roulang page: category2 */
:root{
  --bg:#070D1A;
  --bg-soft:#0C1626;
  --panel:rgba(255,255,255,.045);
  --panel-strong:#101D31;
  --line:rgba(255,255,255,.09);
  --text:#D6E2F2;
  --muted:#8A99B5;
  --brand:#00E6C3;
  --cyan:#00C2FF;
  --violet:#7C8BFF;
  --green:#16D696;
  --white:#F4F8FF;
  --radius:18px;
  --shadow:0 20px 50px rgba(0,0,0,.35);
  --font-main:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::selection{background:rgba(0,230,195,.22);color:#fff}
a,button,input,textarea,select{transition:all .2s ease}
a{color:inherit}
a,button{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(0,230,195,.7);
  outline-offset:3px;
  border-radius:6px;
}
ul,ol,li{list-style:none}
img{display:block;max-width:100%}
.wrap,.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,13,26,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(0,0,0,.35)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  min-height:74px;
}
.logo-wrap{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--white);flex-shrink:0}
.logo-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:rgba(0,230,195,.1);
  border:1px solid rgba(0,230,195,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  font-size:18px;
  box-shadow:0 0 20px rgba(0,230,195,.08);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.logo-text .dot{color:var(--cyan);margin:0 2px}
.nav-menu{display:flex;align-items:center;gap:34px;margin:0}
.nav-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--muted);
  text-decoration:none;
  font-size:15px;
  font-weight:500;
  padding:9px 0;
  letter-spacing:.01em;
}
.nav-menu a:hover{color:var(--white)}
.nav-menu a.active{color:var(--white)}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  box-shadow:0 0 12px rgba(0,230,195,.5);
}
.nav-menu a.active i{color:var(--brand)}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;height:1px;
  background:rgba(255,255,255,.35);
  transform:scaleX(0);transform-origin:left;
}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-auth-wrap{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-auth-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#BFE9DE;
  text-decoration:none;
  font-size:14px;
  font-weight:500;
  padding:9px 16px;
  border-radius:50px;
  border:1px solid rgba(0,230,195,.2);
  background:rgba(0,230,195,.06);
}
.nav-auth-link:hover{
  background:rgba(0,230,195,.14);
  border-color:rgba(0,230,195,.4);
  color:#E8FDF6;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);
  border-radius:12px;
  color:var(--white);
  font-size:19px;
  cursor:pointer;
}

.crumb-v2{
  padding:18px 0 0;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:10px;
}
.crumb-v2 a{color:var(--muted);text-decoration:none}
.crumb-v2 a:hover{color:var(--brand)}
.crumb-v2 i{font-size:11px;opacity:.65}

.hero-category{
  position:relative;
  padding:86px 0 74px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(7,13,26,.88) 0%,rgba(7,13,26,.84) 100%),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.hero-category::before{
  content:"";
  position:absolute;
  top:-20%;left:-10%;
  width:60%;height:130%;
  background:radial-gradient(circle,rgba(0,230,195,.08),transparent 65%);
  pointer-events:none;
}
.hero-category::after{
  content:"";
  position:absolute;
  right:-6%;bottom:-35%;
  width:52%;height:120%;
  background:radial-gradient(circle,rgba(0,194,255,.06),transparent 60%);
  pointer-events:none;
}
.hero-category-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.36fr .9fr;
  align-items:center;
  gap:52px;
}
.hero-copy .eyebrow-line{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand);
  margin-bottom:18px;
}
.hero-copy .eyebrow-line i{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(0,230,195,.08);
  border:1px solid rgba(0,230,195,.2);
  border-radius:9px;
  font-size:13px;
}
.hero-copy h1{
  font-size:47px;
  line-height:1.16;
  color:var(--white);
  font-weight:800;
  letter-spacing:-.01em;
  max-width:750px;
  margin-bottom:20px;
}
.hero-copy h1 span{color:var(--brand)}
.hero-lead{
  font-size:16px;
  color:#A9B7CE;
  line-height:1.85;
  max-width:570px;
  margin-bottom:28px;
  border-left:2px solid rgba(0,230,195,.36);
  padding-left:18px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-note{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 18px;
  font-size:12.5px;
  color:var(--muted);
}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note i{color:var(--green);font-size:12px}

.login-check-card{
  background:rgba(12,22,38,.72);
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;
  padding:24px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.check-card-header{
  display:flex;
  align-items:center;
  gap:13px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:18px;
}
.check-card-header .check-icon{
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(0,230,195,.1);
  border:1px solid rgba(0,230,195,.25);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.check-card-header strong{color:var(--white);font-size:16px;display:block;line-height:1.4}
.check-card-header span{font-size:12.5px;color:var(--muted)}
.check-list{display:grid;gap:15px}
.check-list li{
  position:relative;
  display:flex;
  gap:12px;
  font-size:14px;
  color:#C8D4E6;
  line-height:1.7;
  padding-left:4px;
}
.check-list li i{
  color:var(--cyan);
  font-size:14px;
  margin-top:5px;
  flex:none;
}
.check-list li strong{color:#DCE8FA;font-weight:600}
.check-card-footer{
  margin-top:20px;
  text-align:left;
  display:block;
  color:var(--brand);
  text-decoration:none;
  font-size:13.5px;
  font-weight:500;
}
.check-card-footer i{transition:transform .2s;margin-left:3px}
.check-card-footer:hover i{transform:translateX(4px)}

.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.section-heading{
  max-width:760px;
  margin-bottom:46px;
}
.sec-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--violet);
  font-weight:600;
  margin-bottom:14px;
}
.sec-kicker::before{
  content:"";
  width:24px;height:1px;
  background:var(--violet);
  opacity:.55;
}
.section-heading h2{
  font-size:31px;
  line-height:1.28;
  color:var(--white);
  font-weight:750;
  letter-spacing:-.01em;
}
.section-heading p{
  color:var(--muted);
  margin-top:14px;
  font-size:15.5px;
  max-width:640px;
}
.split-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:20px;
}

.scene-grid{
  display:grid;
  grid-template-columns:.84fr 1.16fr;
  gap:22px;
  align-items:stretch;
}
.scene-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px;
  position:relative;
  overflow:hidden;
}
.scene-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:2px;
  background:linear-gradient(180deg,var(--brand),transparent);
  opacity:0;
}
.scene-card:hover{transform:translateY(-2px);border-color:rgba(0,230,195,.24);box-shadow:0 15px 34px rgba(0,0,0,.28)}
.scene-card:hover::before{opacity:1}
.scene-card .scene-icon{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:rgba(124,139,255,.08);border:1px solid rgba(124,139,255,.2);color:#B2BCFF;font-size:18px;margin-bottom:18px}
.scene-card .mini-tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:50px;font-size:12px;border:1px solid rgba(0,230,195,.2);color:var(--brand);background:rgba(0,230,195,.05);letter-spacing:.02em;margin-bottom:14px}
.scene-card h3{color:var(--white);font-size:19px;font-weight:650;margin-bottom:10px;line-height:1.4}
.scene-card p{color:#8897B1;font-size:14.5px;line-height:1.8}
.scene-card .scene-tip{
  margin-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.1);
  color:var(--muted);
}
.scene-card .scene-tip i{color:var(--cyan)}
.scene-card-column{display:grid;gap:22px}
.scene-card-tall{display:flex;flex-direction:column}
.scene-card-tall .scene-icon{background:rgba(0,230,195,.08);border-color:rgba(0,230,195,.22);color:var(--brand);margin-bottom:14px}
.scene-card-tall .tall-list{margin-top:20px;display:grid;gap:0}
.scene-card-tall .tall-list li{
  display:grid;
  grid-template-columns:20px 1fr;
  gap:8px;
  padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
  color:#BECADF;
  font-size:14px;
}
.scene-card-tall .tall-list li:last-child{border-bottom:none}
.scene-card-tall .tall-list li i{font-size:13px;color:var(--cyan);margin-top:5px}
.scene-card-tall .tall-list li b{color:#E3ECFC;font-weight:600}
.scene-card-tall .tall-title{margin-top:auto;color:#53627F;font-size:12.5px;line-height:1.7}

.split-visual{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px;
  overflow:hidden;
}
.split-image{
  position:relative;
  border-radius:18px;
  overflow:hidden;
}
.split-image::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.08);border-radius:18px;pointer-events:none}
.split-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:5/6;
}
.split-content h2{font-size:26px;line-height:1.35;color:var(--white);font-weight:700;margin-bottom:18px}
.split-content .lead-txt{color:#93A2BD;font-size:15px;margin-bottom:24px}
.split-steps{display:grid;gap:5px;counter-reset:step}
.split-steps li{
  display:grid;
  grid-template-columns:52px 1fr;
  gap:16px;
  align-items:flex-start;
  padding:15px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.split-steps li:last-child{border-bottom:0}
.split-step-num{
  width:34px;height:34px;
  border-radius:50%;
  background:rgba(0,230,195,.08);
  border:1px solid rgba(0,230,195,.22);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  font-weight:700;
  box-shadow:0 0 18px rgba(0,230,195,.06);
}
.split-steps li h3{font-size:15.5px;color:var(--white);font-weight:600;margin-bottom:3px;line-height:1.5}
.split-steps li p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0}

.principles-section{
  background:var(--bg-soft);
  border-block:1px solid rgba(255,255,255,.05);
  padding:88px 0;
}
.principles-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:10px}
.principle-item{
  display:flex;
  gap:16px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.07);
  border-radius:18px;
  padding:20px 22px;
}
.principle-item:hover{border-color:rgba(0,230,195,.22);background:rgba(0,230,195,.03)}
.principle-item i{color:var(--green);width:24px;text-align:center;font-size:18px;margin-top:4px;flex:none}
.principle-item h3{color:var(--white);font-size:16px;font-weight:650;margin-bottom:5px}
.principle-item p{color:var(--muted);font-size:14px;line-height:1.75}

.safety-note{
  position:relative;
  max-width:1080px;
  margin:0 auto;
  background:linear-gradient(135deg,rgba(0,230,195,.07),rgba(0,194,255,.03)),var(--panel);
  border:1px solid rgba(0,230,195,.18);
  border-radius:22px;
  padding:32px 36px;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:24px;
  align-items:center;
}
.safety-note .note-icon{
  width:52px;height:52px;
  border-radius:50%;
  background:rgba(0,230,195,.1);
  border:1px solid rgba(0,230,195,.28);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:21px;
}
.safety-note h2{color:var(--white);font-size:20px;font-weight:700;margin-bottom:7px}
.safety-note p{color:#AAB8CF;font-size:14.5px;margin:0}

.faq-section{padding:96px 0}
.faq-inner{max-width:920px;margin:0 auto}
.faq-heading{text-align:center;margin-bottom:42px}
.faq-heading h2{font-size:30px;color:var(--white)}
.faq-heading p{color:var(--muted);margin-top:10px}
.faq-list{width:100%}
.faq-item{
  width:100%;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:23px 8px;
  background:transparent;
  border:0;
  color:#D9E2F2;
  font-size:16.5px;
  text-align:left;
  cursor:pointer;
  font-family:inherit;
  font-weight:550;
  line-height:1.45;
}
.faq-q:hover{color:var(--brand)}
.faq-q .faq-arrow{
  width:28px;height:28px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.15);
  color:var(--cyan);
  font-size:12px;
  flex:none;
  transition:transform .3s,background .3s;
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-arrow{transform:rotate(45deg);background:rgba(0,230,195,.08);border-color:rgba(0,230,195,.3)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .35s ease;
}
.faq-a>div{overflow:hidden;min-height:0}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{
  padding:0 8px 24px 24px;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.85;
  border-left:2px solid rgba(0,230,195,.25);
  margin-left:22px;
}
.assurance-strip{
  border-top:1px solid rgba(255,255,255,.05);
  background:var(--bg-soft);
  padding:38px 0 44px;
}
.assurance-strip .assurance-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.assurance-item{padding:4px 8px}
.assurance-item i{color:var(--brand);font-size:17px;margin-bottom:8px;width:34px;height:34px;border-radius:10px;background:rgba(0,230,195,.08);border:1px solid rgba(0,230,195,.15);display:flex;align-items:center;justify-content:center}
.assurance-item h3{font-size:15px;color:var(--white);font-weight:600;margin-bottom:3px}
.assurance-item p{color:var(--muted);font-size:12.5px;line-height:1.6;margin:0}

.pre-footer-cta{
  padding:92px 0;
  background:var(--bg);
  position:relative;
  overflow:hidden;
}
.pre-footer-cta::before{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:560px;height:300px;
  transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,rgba(0,230,195,.13),transparent);
  filter:blur(20px);
  pointer-events:none;
}
.cta-box{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.25fr .75fr;
  align-items:center;
  gap:48px;
  background:var(--panel-strong);
  border:1px solid rgba(0,230,195,.24);
  border-radius:26px;
  padding:44px 50px;
  box-shadow:0 25px 60px rgba(0,0,0,.36);
}
.cta-kicker{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--cyan);
  font-size:13px;
  font-weight:500;
  margin-bottom:10px;
}
.cta-box h2{color:var(--white);font-size:28px;font-weight:750;letter-spacing:-.01em;margin-bottom:11px}
.cta-box p{color:var(--muted);font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  border-radius:14px;
  font-weight:600;
  font-size:14.5px;
  text-decoration:none;
  border:1px solid transparent;
  min-height:44px;
  line-height:1;
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,#00E6C3 0%,#00BEDD 100%);
  color:#041A1B;
  box-shadow:0 10px 26px rgba(0,230,195,.18);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(0,230,195,.28);
}
.btn-ghost{
  background:rgba(255,255,255,.045);
  border-color:rgba(255,255,255,.2);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(0,230,195,.35);
  color:#fff;
  transform:translateY(-2px);
}
.btn-line{
  background:transparent;
  border-color:rgba(0,230,195,.26);
  color:var(--brand);
  font-weight:550;
}
.btn-line:hover{background:rgba(0,230,195,.07)}

.footer-extra{
  padding-bottom:2px;
}
.footer-extra .backhome-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:14px;
  text-decoration:none;
  padding:16px 0 14px;
}
.footer-extra .backhome-link:hover{color:var(--brand)}

.site-footer{
  background:#070815;
  border-top:1px solid rgba(255,255,255,.06);
  padding:64px 0 0;
  position:relative;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr 1fr;
  gap:44px;
  padding-bottom:44px;
}
.footer-brand .logo-wrap{margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:13.5px;line-height:1.85;max-width:330px;margin:0}
.footer-title{
  font-size:15px;
  color:var(--white);
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:14px;
}
.footer-links li{margin-bottom:9px}
.footer-links a{
  color:#798AA6;
  font-size:13.5px;
  text-decoration:none;
  transition:color .2s,padding-left .2s;
}
.footer-links a:hover{color:var(--brand);padding-left:5px}
.footer-contact p{margin-bottom:8px;color:#76859D;font-size:13px}
.footer-contact i{color:var(--cyan);margin-right:6px}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.07);
  padding:21px 0;
  font-size:12.5px;
  color:#5F6F89;
}
.footer-bottom a{color:#6F819E;text-decoration:none;margin-left:12px}
.footer-bottom a:hover{color:var(--brand)}

@media (max-width:1024px){
  .hero-category-inner{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:38px}
  .login-check-card{max-width:600px}
  .scene-grid{grid-template-columns:1fr}
  .split-visual{grid-template-columns:1fr;padding:20px}
  .split-image img{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .principles-wrap{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr;padding:34px}
  .cta-actions{justify-content:flex-start}
  .nav-menu{
    position:fixed;
    top:80px;
    right:18px;
    width:300px;
    max-width:calc(100vw - 36px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:rgba(9,16,30,.98);
    border:1px solid rgba(255,255,255,.12);
    border-radius:20px;
    padding:18px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:.3s;
    backdrop-filter:blur(18px);
  }
  .nav-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-menu a{padding:12px 12px;border-radius:10px}
  .nav-menu a::after{display:none}
  .nav-menu a.active{background:rgba(0,230,195,.08);color:var(--brand)}
  .nav-toggle{display:inline-flex}
  .nav-auth-wrap{display:none}
  .section{padding:72px 0}
  .assurance-strip .assurance-grid{grid-template-columns:1fr 1fr;gap:12px}
}
@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px}
  .hero-category{padding:60px 0 56px}
  .hero-copy h1{font-size:32px}
  .section{padding:64px 0}
  .section-heading h2,.faq-heading h2{font-size:25px}
  .split-visual{gap:26px}
  .safety-note{grid-template-columns:1fr;padding:26px}
  .pre-footer-cta{padding:70px 0}
  .cta-box h2{font-size:24px}
  .cta-actions a{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-icon{width:36px;height:36px}
  .hero-copy h1{font-size:30px;line-height:1.28}
  .hero-actions .btn{width:100%}
  .login-check-card{padding:19px}
  .scene-card{padding:20px}
  .split-step-num{width:29px;height:29px;font-size:12px}
  .split-steps li{grid-template-columns:38px 1fr;gap:10px}
  .principles-wrap{grid-template-columns:1fr}
  .principle-item{padding:17px}
  .faq-q{font-size:15px;padding:19px 6px}
  .cta-box{padding:26px 22px}
  .assurance-strip .assurance-grid{grid-template-columns:1fr}
}