/* roulang page: index */
:root {
  --grad-a: linear-gradient(120deg, #FF6A3D, #FF5E62);
  --grad-b: linear-gradient(135deg, #6C5CE7, #8B5CF6);
  --primary: #FF6A3D;
  --primary-2: #FF5E62;
  --secondary: #6C5CE7;
  --secondary-2: #8B5CF6;
  --bg: #F7F6FB;
  --card: #FFFFFF;
  --dark: #1D1B31;
  --dark-2: #171522;
  --text: #2A2735;
  --text-light: #8E8A9F;
  --border: #E8E6F0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 12px rgba(30,27,46,0.06);
  --shadow-md: 0 6px 24px rgba(30,27,46,0.04);
  --shadow-hover: 0 8px 28px rgba(30,27,46,0.10);
  --shadow-purple: 0 4px 12px rgba(108,92,231,0.2);
  --transition: 0.2s ease;
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 72px 0;
}
.section + .section {
  border-top: 1px solid var(--border);
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.02em;
}
.section-header p {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-light);
}

/* ============ 浮动 Dock 导航 ============ */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 24px;
}
.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1180px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 22px;
  padding: 10px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}
.dock-nav:hover {
  box-shadow: var(--shadow-hover);
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad-a);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-pill);
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scale(0);
  width: 18px;
  height: 4px;
  border-radius: 4px;
  background: var(--grad-a);
  transition: transform 0.2s ease;
}
.nav-links a:hover::after {
  transform: translateX(-50%) scale(1);
}
.nav-links a.active {
  background: #FFEDE8;
  color: var(--primary);
  font-weight: 600;
}
.nav-links a.active::after {
  transform: translateX(-50%) scale(1);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-search {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  background: transparent;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-search:hover {
  background: #F1EEF9;
  color: var(--primary);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: #F1EEF9;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.2s ease;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 12px;
  right: 12px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 18px;
  padding: 16px;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-hover);
  z-index: 99;
  border: 1px solid var(--border);
}
.mobile-menu.open {
  display: flex;
  animation: menuFade 0.2s ease;
}
@keyframes menuFade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.mobile-menu a {
  display: block;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  background: #FFEDE8;
  color: var(--primary);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-a);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255,106,61,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 6px 20px rgba(255,106,61,0.35);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: #FFEDE8;
  color: var(--primary);
}
.btn-outline-white {
  border: 1.5px solid rgba(255,255,255,0.85);
  color: #fff;
  background: transparent;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.btn-nav {
  height: 40px;
  padding: 0 22px;
  font-size: 14px;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  background: linear-gradient(120deg, rgba(29,27,49,0.86) 0%, rgba(29,27,49,0.58) 100%), url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
  color: #fff;
  padding: 150px 0 90px;
  text-align: center;
}
.hero-content {
  max-width: 800px;
  margin: 0 auto;
}
.hero h1 {
  font-size: 50px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  word-break: break-word;
}
.hero-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.88);
  margin-bottom: 36px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 48px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-purple);
}
.badge strong {
  font-size: 22px;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.2;
}
.badge span {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
}

/* ============ 合集目录 ============ */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.catalog-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.catalog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.catalog-icon {
  width: 56px;
  height: 56px;
  border-radius: 36px;
  background: var(--grad-b);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: background 0.3s ease;
}
.catalog-card:hover .catalog-icon {
  background: var(--grad-a);
}
.catalog-icon svg {
  width: 24px;
  height: 24px;
}
.catalog-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.catalog-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}
.catalog-count {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--secondary-2);
  background: rgba(108,92,231,0.1);
  border-radius: var(--radius-pill);
}
.catalog-card:hover .catalog-count {
  background: var(--grad-b);
  color: #fff;
}

/* ============ 最新信息列表 ============ */
.latest {
  background: var(--bg);
}
.latest-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.list-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.list-date {
  flex-shrink: 0;
  width: 72px;
  text-align: center;
  background: #F4F1FC;
  border-radius: var(--radius-sm);
  padding: 10px 6px;
}
.list-date span {
  font-size: 12px;
  color: var(--secondary);
  font-weight: 600;
  line-height: 1.4;
  word-break: break-word;
}
.list-content {
  flex: 1;
  min-width: 0;
}
.list-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
  transition: color 0.2s ease;
}
.list-card:hover .list-title {
  color: var(--primary);
}
.list-excerpt {
  font-size: 14px;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}
.list-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  font-size: 12px;
  color: var(--secondary-2);
  background: rgba(108,92,231,0.08);
  border-radius: var(--radius-pill);
  font-weight: 500;
}
.list-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F4F1FC;
  color: var(--secondary);
  font-size: 15px;
  transition: transform 0.2s ease, background 0.2s ease;
  margin-left: auto;
}
.list-card:hover .list-arrow {
  transform: translateX(4px);
  background: var(--grad-a);
  color: #fff;
}
.empty-state {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-light);
  font-size: 15px;
  border: 1px dashed var(--border);
}

/* ============ 精选条目 ============ */
.featured {
  background: var(--card);
}
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.featured-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.featured-img {
  overflow: hidden;
  background: var(--grad-b);
}
.featured-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.featured-card:hover .featured-img img {
  transform: scale(1.03);
}
.featured-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.featured-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.featured-body p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}
.steps {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.step {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.step-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--grad-b);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.feature-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-a);
  flex-shrink: 0;
}
.featured-body .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ============ 相关推荐 ============ */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.recommend-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.recommend-thumb {
  background: var(--grad-b);
  position: relative;
}
.recommend-thumb img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}
.recommend-body {
  padding: 20px;
}
.recommend-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.recommend-meta span {
  font-size: 13px;
  color: var(--text-light);
}
.bookmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--text-light);
  transition: all 0.2s ease;
}
.bookmark:hover {
  background: #FFEDE8;
  color: var(--primary);
}
.bookmark svg {
  width: 15px;
  height: 15px;
}

/* ============ 收藏 / 分享 CTA ============ */
.cta-section {
  padding: 48px 0 72px;
}
.cta-banner {
  background: var(--grad-a);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}
.cta-content {
  position: relative;
  z-index: 2;
}
.cta-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 8px;
}
.cta-content p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}
.cta-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.domain-text {
  position: absolute;
  bottom: 12px;
  right: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  z-index: 2;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--dark-2);
  color: rgba(255,255,255,0.75);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 64px 24px 40px;
}
.footer-brand .footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand .footer-logo::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad-a);
  flex-shrink: 0;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 260px;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  padding: 4px 0;
}
.copyright {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 0;
  text-align: center;
}
.copyright p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ============ 焦点可见性 ============ */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .section {
    padding: 56px 0;
  }
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 40px;
  }
}

@media (max-width: 767px) {
  .site-header {
    top: 8px;
    padding: 0 12px;
  }
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .btn-nav {
    padding: 0 14px;
    font-size: 13px;
  }
  .nav-logo {
    font-size: 17px;
  }
  .hero {
    padding: 130px 0 60px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-badges {
    margin-top: 32px;
    gap: 10px;
  }
  .badge {
    padding: 10px 18px;
  }
  .badge strong {
    font-size: 18px;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .catalog-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .catalog-card {
    padding: 24px 20px;
  }
  .list-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 14px;
  }
  .list-date {
    width: auto;
    text-align: left;
    background: transparent;
    padding: 0;
  }
  .featured-body {
    padding: 20px;
  }
  .featured-body h3 {
    font-size: 18px;
  }
  .steps {
    flex-direction: column;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cta-banner {
    padding: 36px 24px;
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-content h2 {
    font-size: 20px;
  }
  .domain-text {
    position: static;
    margin-top: 8px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 24px 32px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta .btn {
    width: 100%;
  }
  .btn-outline-white {
    border-color: rgba(255,255,255,0.7);
  }
  .hero-badges {
    flex-direction: column;
    align-items: stretch;
    margin-left: 16px;
    margin-right: 16px;
  }
  .badge {
    justify-content: center;
  }
  .featured-img img {
    height: 180px;
  }
  .cta-buttons {
    width: 100%;
    flex-direction: column;
  }
  .cta-buttons .btn {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
  --primary: #FF6A3D;
  --primary-deep: #FF5E62;
  --primary-grad: linear-gradient(120deg, #FF6A3D, #FF5E62);
  --secondary: #6C5CE7;
  --secondary-light: #8B5CF6;
  --secondary-grad: linear-gradient(135deg, #6C5CE7, #8B5CF6);
  --page-bg: #F7F6FB;
  --card-bg: #FFFFFF;
  --dark-bg: #1D1B31;
  --footer-bg: #171522;
  --text-main: #2A2735;
  --text-muted: #8E8A9F;
  --border: #E8E6F0;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-default: 0 2px 12px rgba(30, 27, 46, 0.06), 0 6px 24px rgba(30, 27, 46, 0.04);
  --shadow-hover: 0 8px 28px rgba(30, 27, 46, 0.10);
  --shadow-badge: 0 4px 12px rgba(108, 92, 231, 0.2);
  --transition-base: 0.2s ease;
  --container-width: 1180px;
  --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: var(--page-bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid #FF6A3D;
  outline-offset: 2px;
}

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

ul, ol {
  list-style-position: inside;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 顶部留白 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-top: 16px;
}

.site-header::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--page-bg);
  z-index: -1;
}

.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 22px;
  box-shadow: 0 4px 24px rgba(30, 27, 46, 0.08);
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  letter-spacing: -0.2px;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  position: relative;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: var(--radius-pill);
  transition: background var(--transition-base), color var(--transition-base);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity var(--transition-base);
}

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

.nav-links a:hover::after {
  opacity: 1;
}

.nav-links a.active {
  background: #FFEDE8;
  color: var(--primary-deep);
  font-weight: 600;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-main);
  transition: background var(--transition-base), color var(--transition-base);
}

.nav-search:hover {
  background: #F1EEF9;
  color: var(--primary);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  border: 1.5px solid transparent;
  transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base), background var(--transition-base);
}

.btn-primary {
  background: var(--primary-grad);
  color: #FFFFFF;
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 8px 28px rgba(255, 90, 60, 0.3);
}

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

.btn-nav {
  height: 38px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.85);
  color: #FFFFFF;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary-deep);
}

.btn-outline-primary:hover {
  background: rgba(255, 106, 61, 0.08);
  border-color: var(--primary-deep);
}

/* 分类页 Hero */
.category-hero {
  position: relative;
  padding: 88px 0 72px;
  background: linear-gradient(180deg, #F0EDFA 0%, #F7F6FB 100%);
  overflow: hidden;
}

.category-hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}

.category-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.category-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(108, 92, 231, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.category-hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--secondary);
}

.category-hero h1 {
  font-size: 42px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.category-hero p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.8;
}

.category-hero__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--secondary-grad);
  box-shadow: var(--shadow-badge);
  margin: 0 auto;
}

.category-hero__icon svg {
  width: 90px;
  height: 90px;
  color: #FFFFFF;
}

/* 条目列表 */
.section-entries {
  padding: 72px 0 80px;
}

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

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.section-head p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 420px;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.entry-card {
  display: grid;
  grid-template-columns: 280px 1fr auto;
  gap: 0;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.entry-card__cover {
  position: relative;
  overflow: hidden;
  min-height: 180px;
}

.entry-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.entry-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(29, 27, 49, 0.25));
  pointer-events: none;
}

.entry-card__body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.entry-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.entry-card__date {
  font-size: 12px;
  color: var(--text-muted);
}

.entry-card__tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(108, 92, 231, 0.1);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.entry-card h3 {
  font-size: 18px;
  font-weight: 650;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 8px;
}

.entry-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  color: var(--text-muted);
  padding: 0 20px;
  transition: color var(--transition-base), transform var(--transition-base);
}

.entry-card:hover .entry-card__arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* FAQ */
.faq-section {
  padding: 72px 0 80px;
  background: var(--page-bg);
}

.faq-section .container {
  max-width: 860px;
}

.faq-section .section-head {
  justify-content: center;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

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

.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-default);
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-base);
}

.faq-item summary:hover {
  background: #FAFAFC;
}

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

.faq-item summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(225deg);
}

.faq-item__answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 轻量 CTA */
.category-cta {
  padding: 40px 0 88px;
}

.category-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-default);
}

.category-cta__inner p {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
}

.category-cta__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 页脚 */
.site-footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

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

.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-base);
}

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

.footer-contact p {
  font-size: 14px;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.6);
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.copyright p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* 响应式 */
@media (max-width: 1023px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .dock-nav {
    flex-wrap: wrap;
    border-radius: 18px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 4px;
    overflow-x: auto;
    padding-top: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links a {
    white-space: nowrap;
    padding: 6px 14px;
    font-size: 13px;
  }

  .category-hero__inner {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .category-hero p {
    margin: 0 auto;
  }

  .category-hero__icon {
    width: 140px;
    height: 140px;
  }

  .category-hero__icon svg {
    width: 64px;
    height: 64px;
  }

  .entry-card {
    grid-template-columns: 220px 1fr auto;
  }

  .entry-card__body {
    padding: 20px;
  }

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

@media (max-width: 767px) {
  .site-header {
    padding-top: 8px;
  }

  .dock-nav {
    padding: 10px 16px;
    border-radius: 16px;
    gap: 10px;
  }

  .nav-toggle {
    display: flex;
    order: 0;
  }

  .nav-logo {
    order: 1;
    flex: 1;
    text-align: center;
    font-size: 18px;
  }

  .nav-actions {
    order: 2;
    gap: 6px;
  }

  .nav-search {
    width: 36px;
    height: 36px;
  }

  .btn-nav {
    padding: 0 14px;
    height: 36px;
    font-size: 13px;
  }

  .nav-links {
    order: 4;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 4px;
    overflow: visible;
    gap: 4px;
  }

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

  .nav-links a {
    white-space: normal;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
  }

  .nav-links a::after {
    display: none;
  }

  .category-hero {
    padding: 56px 0 48px;
  }

  .category-hero h1 {
    font-size: 30px;
    line-height: 1.35;
  }

  .category-hero p {
    font-size: 14px;
  }

  .category-hero__icon {
    display: none;
  }

  .section-entries {
    padding: 48px 0 56px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 28px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .entry-card {
    grid-template-columns: 1fr;
  }

  .entry-card__cover {
    height: 180px;
    position: relative;
  }

  .entry-card__cover img {
    position: absolute;
  }

  .entry-card__body {
    padding: 18px 18px 10px;
  }

  .entry-card__arrow {
    display: none;
  }

  .faq-section {
    padding: 48px 0 56px;
  }

  .faq-item summary {
    padding: 16px 18px;
    font-size: 15px;
  }

  .faq-item__answer {
    padding: 0 18px 16px;
  }

  .category-cta {
    padding: 24px 0 56px;
  }

  .category-cta__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 16px;
  }

  .category-cta__inner p {
    font-size: 16px;
  }

  .category-cta__actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .category-cta__actions .btn {
    flex: 1;
    min-width: 140px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 32px;
  }

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

  .site-footer {
    padding-top: 40px;
  }
}

@media (max-width: 520px) {
  .category-hero__badge {
    font-size: 12px;
    padding: 4px 12px;
  }

  .btn {
    height: 42px;
    padding: 0 20px;
    font-size: 14px;
  }

  .section-head p {
    font-size: 13px;
  }

  .entry-card__meta {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* roulang page: article */
:root{
  --primary:#FF6A3D;
  --primary-2:#FF5E62;
  --grad-a:linear-gradient(120deg,#FF6A3D,#FF5E62);
  --accent:#6C5CE7;
  --accent-2:#8B5CF6;
  --grad-b:linear-gradient(135deg,#6C5CE7,#8B5CF6);
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --text:#2A2735;
  --muted:#8E8A9F;
  --border:#E8E6F0;
  --dark:#1D1B31;
  --success:#10B981;
  --warning:#F59E0B;
  --error:#EF4444;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 2px 12px rgba(30,27,46,0.06);
  --shadow-md:0 6px 24px rgba(30,27,46,0.04);
  --shadow-hover:0 8px 28px rgba(30,27,46,0.10);
  --container:1180px;
  --space-section:80px;
  --font-system:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-system);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit}
ul,ol{list-style-position:inside}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--grad-a);color:#fff;box-shadow:0 4px 14px rgba(255,94,98,0.25);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,94,98,0.35);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,94,98,0.2)}
.btn-secondary{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.85);
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.12);
  border-color:#fff;
}
.btn-outline{
  background:transparent;color:var(--primary);border:1.5px solid var(--primary);
}
.btn-outline:hover{
  background:linear-gradient(120deg,rgba(255,106,61,0.08),rgba(255,94,98,0.08));
  border-color:var(--primary-2);
}
.btn-nav{
  height:38px;padding:0 20px;font-size:14px;
}

/* ========== 导航 ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  padding:16px 24px 0;
}
.dock-nav{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,0.6);
  border-radius:22px;
  padding:10px 18px;
  box-shadow:0 6px 24px rgba(30,27,46,0.07);
}
.nav-logo{
  font-size:20px;font-weight:700;color:var(--text);
  white-space:nowrap;letter-spacing:0.5px;
}
.nav-logo span{color:var(--primary)}
.nav-links{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;
}
.nav-links a{
  position:relative;
  padding:8px 16px;
  border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text);
  transition:background-color .2s ease,color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;
  background:var(--primary);opacity:0;
  transition:opacity .2s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{opacity:1}
.nav-links a.active{
  background:#FFEDE8;color:var(--primary);font-weight:600;
}
.nav-links a.active::after{opacity:0}
.nav-actions{
  display:flex;align-items:center;gap:10px;
  margin-left:auto;
}
.nav-search{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--text);transition:background-color .2s ease;
}
.nav-search:hover{background:#F1EEF9;color:var(--primary)}
.nav-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== 面包屑 ========== */
.breadcrumb-wrap{
  background:linear-gradient(135deg,rgba(108,92,231,0.04),rgba(255,94,98,0.03));
  border-bottom:1px solid var(--border);
  padding:14px 0;
}
.breadcrumb{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  overflow:hidden;white-space:nowrap;
}
.breadcrumb a{color:var(--accent)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C9C5D8}
.breadcrumb .current{
  color:var(--text);font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ========== 文章主体 ========== */
.article-main{padding:56px 0 0}
.article-header{
  max-width:820px;margin:0 auto;padding:0 24px 32px;
  text-align:center;
}
.article-category{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--grad-b);
  color:#fff;font-size:13px;font-weight:600;
  padding:6px 18px;border-radius:999px;
  box-shadow:0 4px 12px rgba(108,92,231,0.22);
  margin-bottom:18px;
}
.article-title{
  font-size:38px;font-weight:700;line-height:1.25;
  color:var(--text);
  letter-spacing:-0.5px;
}
.article-meta{
  display:flex;justify-content:center;flex-wrap:wrap;gap:18px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta span{
  display:inline-flex;align-items:center;gap:6px;
}
.article-meta .meta-divider{width:4px;height:4px;border-radius:50%;background:var(--border)}

.article-body-wrap{
  max-width:760px;margin:0 auto;
  padding:0 24px 56px;
}
.article-body{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  box-shadow:var(--shadow-sm);
}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;
  margin:32px 0 16px;padding-left:14px;
  border-left:4px solid var(--primary);
}
.article-body h3{
  font-size:19px;font-weight:600;line-height:1.4;
  margin:28px 0 12px;
}
.article-body p{
  font-size:16px;line-height:1.8;
  margin:0 0 18px;
}
.article-body ul,.article-body ol{
  margin:0 0 20px;padding-left:24px;
}
.article-body li{
  margin:8px 0;
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 24px;
  background:#F6F4FF;
  border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:var(--muted);
  font-style:normal;
}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
}
.article-body th,.article-body td{
  border:1px solid var(--border);
  padding:10px 14px;
  text-align:left;
}
.article-body th{
  background:#F9F7FE;
  font-weight:600;
  color:var(--text);
}
.article-body img{
  width:100%;border-radius:14px;
  margin:20px 0;
  background:var(--grad-b);
}
.article-body figcaption,.article-body .img-caption{
  font-size:13px;color:var(--muted);
  text-align:center;margin-top:-10px;margin-bottom:20px;
}
.article-body a{
  color:var(--primary);font-weight:500;
  text-decoration:underline;
  text-underline-offset:2px;
}
.article-body a:hover{color:var(--primary-2)}
.article-body hr{
  border:none;border-top:1px solid var(--border);
  margin:32px 0;
}

/* ========== 缺失提示 ========== */
.article-missing{
  max-width:600px;margin:0 auto 60px;
  padding:60px 40px;
  background:var(--card);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  text-align:center;
}
.article-missing .missing-icon{
  width:72px;height:72px;margin:0 auto 20px;
  border-radius:20px;
  background:var(--grad-b);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(108,92,231,0.25);
}
.article-missing h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-missing p{color:var(--muted);margin-bottom:24px;font-size:15px}

/* ========== 相关推荐 ========== */
.related-section{padding:56px 0}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:28px;gap:16px;
}
.related-head .section-title{font-size:28px;font-weight:700;margin:0}
.related-head .section-sub{color:var(--muted);font-size:14px}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.related-card{
  position:relative;
  background:var(--card);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.related-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--grad-b);
}
.related-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease;
}
.related-card:hover .related-cover img{transform:scale(1.04)}
.related-cover .cover-fallback{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.8);
  font-size:36px;
}
.related-body{
  padding:20px;display:flex;flex-direction:column;gap:8px;
  flex:1;
}
.related-card .related-tag{
  display:inline-flex;align-self:flex-start;
  font-size:12px;font-weight:600;
  color:var(--accent);
  background:#F0EDFA;
  padding:4px 12px;border-radius:999px;
}
.related-card h3{
  font-size:17px;font-weight:650;line-height:1.45;
  color:var(--text);
}
.related-card h3 a:hover{color:var(--primary)}
.related-card .related-meta{
  display:flex;align-items:center;gap:12px;
  font-size:12px;color:var(--muted);
  margin-top:auto;
}
.related-card .related-meta .read-more{
  margin-left:auto;color:var(--primary);
  font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
  transition:gap .2s ease;
}
.related-card:hover .related-meta .read-more{gap:8px}

/* ========== 文章底部操作 ========== */
.article-footer-actions{
  max-width:760px;margin:0 auto;
  padding:0 24px 56px;
}
.action-bar{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  background:linear-gradient(120deg,rgba(255,106,61,0.06),rgba(255,94,98,0.04));
  border:1px solid #FFE0D6;
  border-radius:var(--radius-md);
  padding:22px 28px;
}
.action-bar .action-text{font-size:16px;font-weight:600;color:var(--text)}
.action-bar .action-links{display:flex;gap:12px;flex-wrap:wrap}

/* ========== 页脚 ========== */
.site-footer{
  background:#171522;color:#A9A4BC;
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;
  padding-bottom:48px;
}
.footer-brand .footer-logo{
  font-size:22px;font-weight:700;color:#fff;margin-bottom:12px;
  letter-spacing:0.5px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:#8E8A9F;max-width:320px}
.footer-links h4,.footer-contact h4{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;
}
.footer-links a{
  display:block;font-size:14px;color:#A9A4BC;
  padding:5px 0;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--primary);padding-left:6px}
.footer-contact p{font-size:14px;color:#A9A4BC;padding:4px 0;line-height:1.7}
.copyright{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:20px 0;
  font-size:13px;color:#6F6A80;
}
.copyright .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ========== 回到顶部 ========== */
.back-top{
  position:fixed;right:28px;bottom:28px;
  width:46px;height:46px;border-radius:50%;
  background:var(--grad-a);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(255,94,98,0.3);
  z-index:99;
  transition:transform .2s ease,box-shadow .2s ease;
}
.back-top:hover{
  transform:translateY(-3px);
  box-shadow:0 0 24px rgba(255,94,98,0.5);
}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dock-nav{max-width:100%}
}
@media (min-width:768px) and (max-width:1023px){
  :root{--space-section:64px}
  .article-title{font-size:32px}
}
@media (max-width:767px){
  .site-header{padding:8px 12px 0}
  .dock-nav{padding:10px 14px;border-radius:18px;gap:10px}
  .nav-links{
    display:none;
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    background:rgba(255,255,255,0.96);
    backdrop-filter:blur(16px);
    border-radius:16px;
    border:1px solid var(--border);
    box-shadow:var(--shadow-md);
    padding:12px;
    flex-direction:column;
    gap:4px;
    margin:0;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:center;padding:12px 16px}
  .nav-toggle{display:flex}
  .nav-actions .btn-nav{display:none}
  .nav-logo{font-size:18px;flex:1}
  .nav-actions{margin-left:0}
  .breadcrumb{padding:0 16px}
  .article-main{padding-top:32px}
  .article-header{padding:0 16px 24px}
  .article-title{font-size:28px}
  .article-body-wrap{padding:0 16px 40px}
  .article-body{padding:28px 20px;border-radius:16px}
  .related-section{padding:40px 0}
  .related-head{flex-direction:column;align-items:flex-start;gap:8px}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .action-bar{padding:18px 20px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-brand .footer-logo{font-size:19px}
  .back-top{right:16px;bottom:16px;width:40px;height:40px}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .related-head .section-title{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --primary:#FF6A3D;
  --primary-deep:#FF5E62;
  --grad-a:linear-gradient(120deg,#FF6A3D,#FF5E62);
  --secondary:#6C5CE7;
  --secondary-light:#8B5CF6;
  --grad-b:linear-gradient(135deg,#6C5CE7,#8B5CF6);
  --bg-page:#F7F6FB;
  --bg-card:#FFFFFF;
  --bg-dark:#1D1B31;
  --text-main:#2A2735;
  --text-note:#8E8A9F;
  --border:#E8E6F0;
  --input-border:#E4E1EE;
  --success:#10B981;
  --warning:#F59E0B;
  --error:#EF4444;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-default:0 2px 12px rgba(30,27,46,.06),0 6px 24px rgba(30,27,46,.04);
  --shadow-hover:0 8px 28px rgba(30,27,46,.10);
  --shadow-badge:0 4px 12px rgba(108,92,231,.2);
  --transition:.2s ease;
  --container:1180px;
  --space-section:80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg-page);color:var(--text-main);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;cursor:pointer;background:none}
input,textarea{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-head{text-align:center;margin-bottom:44px}
.section-head .sec-tag{display:inline-block;background:rgba(108,92,231,.1);color:var(--secondary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:14px}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3;color:var(--text-main)}
.section-head p{color:var(--text-note);font-size:15px;margin-top:10px;max-width:640px;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition);white-space:nowrap}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:0 4px 14px rgba(255,94,98,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,94,98,.4);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(255,106,61,.08);border-color:var(--primary-deep)}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.8);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,.12)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.18)}
.site-header{position:sticky;top:0;z-index:100;padding:16px 16px 0}
.dock-nav{max-width:960px;margin:0 auto;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.6);border-radius:22px;padding:10px 16px;box-shadow:var(--shadow-default);transition:box-shadow var(--transition)}
.dock-nav:hover{box-shadow:var(--shadow-hover)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#F7F6FB;transition:background var(--transition)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle:hover{background:#EFEDF8}
.nav-logo{font-size:19px;font-weight:700;color:var(--text-main);background:var(--grad-a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;justify-content:center}
.nav-links a{position:relative;padding:8px 14px;border-radius:var(--radius-pill);font-size:14px;font-weight:500;color:var(--text-main);transition:background var(--transition),color var(--transition)}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{content:"";position:absolute;bottom:3px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--primary)}
.nav-links a.active{background:#FFEDE8;color:var(--primary-deep);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-search{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-main);transition:background var(--transition),color var(--transition)}
.nav-search:hover{background:#F1EEF9;color:var(--secondary)}
.btn-nav{height:38px;padding:0 20px;font-size:14px}
.hero-guide{position:relative;background:linear-gradient(135deg,#F0EDFA 0%,#F7F6FB 60%,#FFF0EB 100%);overflow:hidden;padding:64px 0 56px}
.hero-guide::before{content:"";position:absolute;top:-120px;right:-60px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(108,92,231,.12),transparent 65%);pointer-events:none}
.hero-guide .container{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:48px}
.hero-guide-text h1{font-size:42px;line-height:1.25;font-weight:700;margin-bottom:16px}
.hero-guide-text h1 span{background:var(--grad-b);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-guide-text p{font-size:16px;color:var(--text-note);max-width:520px;margin-bottom:26px}
.hero-guide-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-guide-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-guide-meta .badge{background:var(--grad-b);color:#fff;font-size:13px;font-weight:600;padding:7px 18px;border-radius:var(--radius-pill);box-shadow:var(--shadow-badge);display:inline-flex;align-items:center;gap:6px}
.hero-guide-visual{position:relative}
.hero-guide-visual .visual-wrap{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover);background:var(--grad-b)}
.hero-guide-visual img{width:100%;height:280px;object-fit:cover;opacity:.94}
.hero-guide-visual::after{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);background:linear-gradient(to top,rgba(29,27,49,.18),transparent 50%);pointer-events:none}
.guide-feature{background:var(--bg-page)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--bg-card);border-radius:var(--radius-md);padding:28px 24px;box-shadow:var(--shadow-default);transition:transform var(--transition),box-shadow var(--transition);position:relative;overflow:hidden;border:1px solid rgba(232,230,240,.5)}
.feature-card::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--grad-b);border-radius:0 4px 4px 0;opacity:0;transition:opacity var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:52px;height:52px;border-radius:16px;background:var(--grad-b);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:#fff;box-shadow:var(--shadow-badge)}
.feature-icon svg{width:24px;height:24px}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-note);line-height:1.7}
.guide-steps{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{background:var(--bg-page);border-radius:var(--radius-md);padding:32px 24px;text-align:center;position:relative;transition:transform var(--transition),box-shadow var(--transition)}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.step-num{width:48px;height:48px;border-radius:14px;background:var(--grad-b);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:var(--shadow-badge)}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-note)}
.guide-list-section{background:var(--bg-page)}
.guide-list{display:flex;flex-direction:column;gap:16px;max-width:860px;margin:0 auto}
.guide-list-item{display:flex;align-items:center;gap:18px;background:var(--bg-card);border-radius:var(--radius-md);padding:20px 24px;box-shadow:var(--shadow-default);transition:transform var(--transition),box-shadow var(--transition),background var(--transition)}
.guide-list-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:#FFFEFD}
.guide-list-order{width:44px;height:44px;border-radius:12px;background:var(--grad-b);color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-badge)}
.guide-list-main{flex:1}
.guide-list-main h3{font-size:17px;font-weight:600;margin-bottom:4px}
.guide-list-main p{font-size:14px;color:var(--text-note);line-height:1.6}
.guide-list-arrow{color:var(--text-note);transition:transform var(--transition),color var(--transition);flex-shrink:0}
.guide-list-item:hover .guide-list-arrow{transform:translateX(4px);color:var(--primary)}
.faq-section{background:#fff}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--transition),border-color var(--transition)}
.faq-item:hover{background:#FAFAFC;border-color:#D8D4E8}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:15px;font-weight:600;color:var(--text-main);text-align:left;transition:color var(--transition)}
.faq-question svg{width:18px;height:18px;color:var(--text-note);transition:transform .3s ease;flex-shrink:0}
.faq-item.open .faq-question svg{transform:rotate(180deg)}
.faq-item.open .faq-question{color:var(--primary-deep)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer p{padding:0 22px 18px;font-size:14px;color:var(--text-note);line-height:1.8}
.guide-cta{background:var(--bg-page);padding:48px 0}
.cta-light-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow-default)}
.cta-light-box h3{font-size:22px;font-weight:700}
.cta-light-box p{font-size:14px;color:var(--text-note);margin-top:8px;max-width:520px}
.cta-light-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.site-footer{background:#171522;color:#B9B5C9;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.footer-logo{font-size:20px;font-weight:700;background:var(--grad-a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:12px}
.footer-brand p{line-height:1.8;font-size:14px;max-width:320px}
.footer-links h4,.footer-contact h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links a{display:block;padding:6px 0;color:#B9B5C9;transition:color var(--transition)}
.footer-links a:hover{color:var(--primary)}
.footer-contact p{padding:4px 0;line-height:1.7}
.copyright{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:#6F6B85}
.copyright p{line-height:1.6}
.back-top{position:fixed;right:24px;bottom:32px;width:44px;height:44px;border-radius:50%;background:var(--grad-a);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(255,94,98,.4);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform var(--transition);z-index:99}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(255,94,98,.5)}
.back-top svg{width:20px;height:20px}
@media(max-width:1024px){
  .hero-guide .container{grid-template-columns:1fr;gap:32px}
  .hero-guide-visual{order:-1;max-width:520px;margin:0 auto}
  .hero-guide-visual img{height:220px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  :root{--space-section:56px}
  .section-head h2{font-size:26px}
  .dock-nav{padding:8px 12px}
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:74px;left:16px;right:16px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.6);border-radius:18px;box-shadow:var(--shadow-hover);flex-direction:column;align-items:stretch;padding:12px;gap:2px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links a{padding:14px 16px;text-align:center;border-radius:12px}
  .nav-links a:hover::after{display:none}
  .nav-links a.active{background:var(--grad-a);color:#fff}
  .nav-search{display:none}
  .btn-nav{height:36px;padding:0 16px;font-size:13px}
  .nav-logo{font-size:17px}
  .hero-guide{padding:40px 0}
  .hero-guide-text h1{font-size:30px}
  .hero-guide-actions .btn{width:100%}
  .feature-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .guide-list-item{flex-direction:column;align-items:flex-start;text-align:left;padding:18px}
  .guide-list-arrow{display:none}
  .cta-light-box{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-light-actions{width:100%}
  .cta-light-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .back-top{right:16px;bottom:20px;width:40px;height:40px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .hero-guide-meta{flex-direction:column;align-items:flex-start}
  .hero-guide-meta .badge{width:100%;justify-content:center}
  .section-head p{font-size:14px}
}

/* roulang page: category2 */
:root{
  --primary:#FF6A3D;
  --primary-dark:#FF5E62;
  --secondary:#6C5CE7;
  --secondary-light:#8B5CF6;
  --gradient-a:linear-gradient(120deg,#FF6A3D,#FF5E62);
  --gradient-b:linear-gradient(135deg,#6C5CE7,#8B5CF6);
  --bg-page:#F7F6FB;
  --bg-card:#FFFFFF;
  --bg-dark:#1D1B31;
  --text-main:#2A2735;
  --text-muted:#8E8A9F;
  --border-color:#E8E6F0;
  --success:#10B981;
  --warning:#F59E0B;
  --error:#EF4444;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-default:0 2px 12px rgba(30,27,46,0.06),0 6px 24px rgba(30,27,46,0.04);
  --shadow-hover:0 8px 28px rgba(30,27,46,0.10);
  --shadow-badge:0 4px 12px rgba(108,92,231,0.2);
  --font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container-width:1180px;
  --space-section:80px;
  --space-section-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--bg-page);
  color:var(--text-main);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container-width);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--space-section) 0}
.section-head{text-align:center;margin-bottom:48px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3}
.section-head p{color:var(--text-muted);font-size:16px;margin-top:10px;max-width:560px;margin-left:auto;margin-right:auto}
@media(max-width:767px){
  .section{padding:var(--space-section-mobile) 0}
  .section-head h2{font-size:26px}
  .section-head{margin-bottom:32px}
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--radius-pill);
  font-weight:600;font-size:15px;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--gradient-a);color:#fff;
  box-shadow:0 4px 14px rgba(255,94,98,0.3);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 6px 20px rgba(255,94,98,0.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,94,98,0.3)}
.btn-outline{
  background:transparent;color:var(--text-main);
  border:1.5px solid var(--border-color);
}
.btn-outline:hover{background:#F1EEF9;border-color:var(--secondary);color:var(--secondary);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-outline-light{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.65);
}
.btn-outline-light:hover{background:rgba(255,255,255,0.12);border-color:#fff}
.btn-nav{height:38px;padding:0 20px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1;
  background:rgba(108,92,231,0.1);color:var(--secondary);
}
.badge-light{background:rgba(255,255,255,0.18);color:#fff}

/* Header Nav */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1000;
  padding:0 24px;pointer-events:none;
}
.dock-nav{
  max-width:calc(var(--container-width) - 40px);
  margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:rgba(255,255,255,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,0.6);
  border-radius:22px;
  padding:12px 22px;
  box-shadow:var(--shadow-default);
  pointer-events:auto;
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:transparent;transition:background .2s;
}
.nav-toggle:hover{background:#F1EEF9}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-logo{
  font-size:20px;font-weight:700;color:var(--text-main);
  display:flex;align-items:center;gap:8px;letter-spacing:0.5px;
  white-space:nowrap;
}
.nav-logo:hover{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;
  padding:8px 16px;
  font-size:15px;font-weight:500;
  color:var(--text-main);
  border-radius:var(--radius-pill);
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:4px;
  width:16px;height:4px;border-radius:var(--radius-pill);background:var(--gradient-a);
}
.nav-links a.active{
  background:#FFEDE8;color:var(--primary-dark);font-weight:600;
}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:4px;
  width:16px;height:4px;border-radius:var(--radius-pill);background:var(--gradient-a);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-search{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-main);
  background:transparent;
  transition:background .2s,color .2s;
}
.nav-search:hover{background:#F1EEF9;color:var(--primary)}
@media(max-width:992px){
  .nav-links{
    display:none;
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    background:rgba(255,255,255,0.96);
    backdrop-filter:blur(14px);
    border-radius:18px;
    border:1px solid rgba(255,255,255,0.6);
    box-shadow:var(--shadow-default);
    flex-direction:column;align-items:stretch;
    padding:12px;
    gap:4px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 20px;text-align:center;font-size:16px}
  .nav-toggle{display:flex}
  .nav-links a:hover::after,.nav-links a.active::after{display:none}
  .dock-nav{flex-wrap:wrap}
}
@media(max-width:520px){
  .site-header{top:8px;padding:0 16px}
  .dock-nav{padding:10px 14px;border-radius:18px}
  .nav-logo{font-size:17px}
  .btn-nav{padding:0 15px;height:36px;font-size:13px}
}

/* Hero Category */
.hero-category{
  position:relative;
  padding:170px 0 90px;
  background:
    linear-gradient(120deg,rgba(240,237,250,0.94),rgba(247,246,251,0.90)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--border-color);
}
.hero-category .container{
  display:grid;grid-template-columns:1.2fr 0.8fr;gap:48px;align-items:center;
}
.hero-category-content .tagline{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 16px;border-radius:var(--radius-pill);
  background:var(--gradient-b);color:#fff;font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.hero-category-content h1{
  font-size:46px;font-weight:700;line-height:1.25;
  color:var(--text-main);
  margin-bottom:18px;
  letter-spacing:1px;
}
.hero-category-content p{
  font-size:16px;color:var(--text-muted);
  max-width:520px;line-height:1.8;
  margin-bottom:32px;
}
.hero-category-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-category-visual{
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.hero-visual-circle{
  width:220px;height:220px;border-radius:50%;
  background:var(--gradient-b);
  box-shadow:var(--shadow-badge);
  display:flex;align-items:center;justify-content:center;
  position:relative;
  animation:float 6s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}
.hero-visual-circle::after{
  content:"";position:absolute;
  width:280px;height:280px;border-radius:50%;
  border:2px dashed rgba(108,92,231,0.25);
}
.hero-visual-circle svg{width:72px;height:72px;color:#fff}
.hero-visual-ring{
  position:absolute;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(108,92,231,0.12);
}
@media(max-width:991px){
  .hero-category{padding:140px 0 64px}
  .hero-category .container{grid-template-columns:1fr;gap:36px;text-align:center}
  .hero-category-content p{margin-left:auto;margin-right:auto}
  .hero-category-btns{justify-content:center}
  .hero-category-visual{order:-1}
  .hero-visual-circle{width:160px;height:160px}
  .hero-visual-circle::after{width:200px;height:200px}
  .hero-visual-ring{width:240px;height:240px}
  .hero-visual-circle svg{width:52px;height:52px}
}
@media(max-width:520px){
  .hero-category{padding:120px 0 48px}
  .hero-category-content h1{font-size:32px}
  .hero-category-content p{font-size:15px}
}

/* Steps Section */
.steps-section{background:var(--bg-card)}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.step-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  padding:32px 24px 28px;
  box-shadow:var(--shadow-default);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.step-num{
  position:absolute;top:20px;right:22px;
  font-size:30px;font-weight:700;color:rgba(108,92,231,0.12);
  line-height:1;
}
.step-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--gradient-b);
  display:flex;align-items:center;justify-content:center;
  color:#fff;margin-bottom:18px;
  box-shadow:var(--shadow-badge);
}
.step-icon svg{width:24px;height:24px}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
@media(max-width:991px){
  .steps-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .steps-grid{grid-template-columns:1fr}
}

/* Entry List */
.entry-list-section{background:var(--bg-page)}
.entry-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.entry-card{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--bg-card);
  border-radius:var(--radius-md);
  padding:24px;
  box-shadow:var(--shadow-default);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,92,231,0.2)}
.entry-card:hover .entry-arrow{transform:translateX(4px);color:var(--primary)}
.entry-icon{
  flex-shrink:0;
  width:44px;height:44px;border-radius:12px;
  background:rgba(108,92,231,0.08);
  display:flex;align-items:center;justify-content:center;
  color:var(--secondary);
  transition:background .2s ease,color .2s ease;
}
.entry-card:hover .entry-icon{background:var(--gradient-a);color:#fff}
.entry-icon svg{width:20px;height:20px}
.entry-content{flex:1;min-width:0}
.entry-content h3{font-size:17px;font-weight:650;line-height:1.45;margin-bottom:6px}
.entry-content p{
  font-size:14px;color:var(--text-muted);
  line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.entry-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}
.entry-tag{
  font-size:12px;font-weight:600;color:var(--secondary);
  background:rgba(108,92,231,0.08);
  padding:4px 12px;border-radius:var(--radius-pill);
}
.entry-arrow{
  display:flex;align-items:center;gap:4px;
  font-size:13px;font-weight:600;color:var(--text-muted);
  transition:color .2s,transform .2s;
}
.entry-arrow svg{width:14px;height:14px}
@media(max-width:991px){
  .entry-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .entry-card{padding:20px;flex-direction:column}
  .entry-icon{width:40px;height:40px}
}

/* Scenarios */
.scenarios-section{background:var(--bg-card)}
.scenario-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.scenario-card{
  background:var(--bg-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-default);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.scenario-cover{
  width:100%;height:200px;overflow:hidden;
  background:var(--gradient-b);
  position:relative;
}
.scenario-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.scenario-card:hover .scenario-cover img{transform:scale(1.04)}
.scenario-body{padding:24px 24px 28px}
.scenario-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.scenario-body p{font-size:14px;color:var(--text-muted);line-height:1.75}
.scenario-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:14px;font-weight:600;
  color:var(--secondary);
  transition:gap .2s ease,color .2s ease;
}
.scenario-link:hover{gap:10px;color:var(--primary)}
.scenario-link svg{width:14px;height:14px}
@media(max-width:991px){
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .scenario-grid{grid-template-columns:1fr}
  .scenario-cover{height:170px}
}

/* FAQ */
.faq-section{background:var(--bg-page)}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(108,92,231,0.2);box-shadow:var(--shadow-default)}
.faq-question{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:16px;font-weight:600;line-height:1.5;
  text-align:left;color:var(--text-main);
  transition:background .2s ease;
}
.faq-question:hover{background:#FAFAFC}
.faq-question .faq-arrow{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F1EEF9;color:var(--secondary);
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-question .faq-arrow{transform:rotate(180deg);background:var(--gradient-a);color:#fff}
.faq-arrow svg{width:14px;height:14px}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease,padding .3s ease;
  padding:0 24px;
}
.faq-item.open .faq-answer{
  max-height:400px;
  padding:0 24px 22px;
}
.faq-answer p{
  font-size:14px;color:var(--text-muted);line-height:1.8;
  padding-top:4px;border-top:1px solid var(--border-color);padding-top:16px;
}

/* CTA Light */
.cta-light-section{background:var(--bg-card)}
.cta-light-card{
  background:linear-gradient(120deg,#F7F3FF,#FFF5F2);
  border-radius:var(--radius-lg);
  border:1px solid var(--border-color);
  padding:48px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-light-info h3{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:10px}
.cta-light-info p{font-size:15px;color:var(--text-muted);max-width:480px}
.cta-light-btns{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-text-link{
  font-size:15px;font-weight:600;color:var(--secondary);
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease,gap .2s ease;
}
.cta-text-link:hover{color:var(--primary);gap:10px}
.cta-text-link svg{width:14px;height:14px}
@media(max-width:767px){
  .cta-light-card{padding:32px 24px}
  .cta-light-info h3{font-size:20px}
}

/* Footer */
.site-footer{background:#1D1B31;color:rgba(255,255,255,0.75);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 0.8fr 0.9fr;gap:48px;
  padding-bottom:48px;
}
.footer-logo{
  font-size:22px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:0.5px;
}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px}
.footer-links h4,.footer-contact h4{
  font-size:16px;font-weight:600;color:#fff;margin-bottom:16px;
}
.footer-links a{
  display:block;font-size:14px;color:rgba(255,255,255,0.65);
  padding:5px 0;transition:color .2s,padding-left .2s;
}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-contact p{font-size:14px;color:rgba(255,255,255,0.65);padding:4px 0}
.copyright{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:20px 0;
}
.copyright .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.copyright p{font-size:13px;color:rgba(255,255,255,0.5)}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:48px}
  .copyright .container{justify-content:center;text-align:center}
}