/* roulang page: index */
:root {
  --primary: #3D8BFF;
  --secondary: #00D4C6;
  --accent: #FFB65C;
  --bg: #060A18;
  --bg-deep: #05070F;
  --text: rgba(240, 248, 255, 0.92);
  --text-secondary: rgba(160, 180, 200, 0.72);
  --text-muted: rgba(160, 180, 200, 0.5);
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.25);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.4);
  --shadow-primary: 0 0 12px rgba(61,139,255,0.45);
  --shadow-primary-hover: 0 0 24px rgba(61,139,255,0.65);
  --space-section: 80px;
  --space-section-mobile: 48px;
  --container-max: 1240px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(61, 139, 255, 0.10) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 198, 0.08) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}
img {
  max-width: 100%;
  height: auto;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}
input {
  font-family: inherit;
  outline: none;
  border: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
}
.section {
  padding: var(--space-section) 0;
  position: relative;
}
@media (max-width: 640px) {
  .section {
    padding: var(--space-section-mobile) 0;
  }
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}
.section-head::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  margin: 20px auto 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(61, 139, 255, 0.12);
  border: 1px solid rgba(61, 139, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 6px 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #9ac4ff;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 640px;
  margin: 0 auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  min-width: 120px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid transparent;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2563eb);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary-hover);
}
.btn-primary:active {
  transform: translateY(-1px);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  color: var(--text);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}
.btn-ghost:active {
  transform: translateY(-1px);
}
.btn-sm {
  min-height: 36px;
  padding: 0 18px;
  font-size: 14px;
  min-width: 90px;
}
.btn-lg {
  min-height: 50px;
  padding: 0 32px;
  font-size: 16px;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.glowing-btn {
  position: relative;
  overflow: hidden;
}
.glowing-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.glowing-btn:hover::after {
  transform: translateX(100%);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(61, 139, 255, 0.12);
  border: 1px solid rgba(61, 139, 255, 0.3);
  color: #9ac4ff;
  border-radius: var(--radius-pill);
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 500;
}
.badge-secondary {
  background: rgba(0, 212, 198, 0.12);
  border-color: rgba(0, 212, 198, 0.3);
  color: #6ff1df;
}
.badge-accent {
  background: rgba(255, 182, 92, 0.12);
  border-color: rgba(255, 182, 92, 0.3);
  color: #ffd5a1;
}
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
}
/* === Dock 导航 === */
.dock-wrap {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: min(760px, calc(100vw - 24px));
}
.dock-wrap.scrolled {
  transition: box-shadow 0.4s ease;
}
.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(6, 10, 24, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255,255,255,0.06);
  padding: 8px 12px 8px 20px;
  transition: background 0.4s, box-shadow 0.4s;
}
.dock-wrap.scrolled .dock-nav {
  background: rgba(6, 10, 24, 0.88);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.05);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 17px;
  white-space: nowrap;
  color: var(--text);
  letter-spacing: -0.01em;
}
.dock-logo:hover {
  color: var(--text);
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 12px rgba(61, 139, 255, 0.5);
}
.dock-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.dock-links a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.dock-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.dock-links a.active {
  color: #fff;
  background: rgba(61, 139, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(61, 139, 255, 0.3);
}
.dock-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-search-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
  font-size: 14px;
}
.nav-search-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(61, 139, 255, 0.4);
}
.nav-search-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
/* 移动端全屏菜单 */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 24, 0.95);
  backdrop-filter: blur(24px);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 32px;
}
.mobile-menu-inner a {
  font-size: 22px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 14px;
  color: var(--text);
  width: 100%;
  max-width: 320px;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu-inner a:hover {
  background: rgba(61, 139, 255, 0.12);
  color: #fff;
}
.mobile-menu-inner a.active {
  background: rgba(61, 139, 255, 0.2);
  color: #fff;
}
.mobile-menu .btn {
  width: 100%;
  max-width: 320px;
  margin-top: 12px;
}
@media (max-width: 760px) {
  .dock-links {
    display: none;
  }
  .dock-actions .btn {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}
/* === Hero === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #060A18 0%, rgba(6, 10, 24, 0.55) 40%, rgba(6, 10, 24, 0.25) 70%, #060A18 100%);
}
.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(61, 139, 255, 0.15);
  pointer-events: none;
  z-index: 0;
}
.hero-ring.r1 {
  width: 500px;
  height: 500px;
  right: 5%;
  top: 10%;
  border-radius: 50%;
}
.hero-ring.r2 {
  width: 350px;
  height: 350px;
  right: 12%;
  top: 18%;
  border-color: rgba(0, 212, 198, 0.12);
}
.hero-ring.r3 {
  width: 200px;
  height: 200px;
  right: 18%;
  top: 30%;
  border-color: rgba(255, 182, 92, 0.1);
}
.hero-ring::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(61, 139, 255, 0.6);
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}
.hero-left {
  flex: 1;
  max-width: 580px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #9ac4ff;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}
.hero-badge i {
  color: var(--secondary);
  font-size: 11px;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, rgba(180, 210, 255, 0.9) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.hero-stats .stat {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
}
.hero-right {
  flex: 0 0 420px;
  position: relative;
}
.hero-glass {
  position: relative;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255,255,255,0.1);
  padding: 10px;
}
.hero-glass img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}
.glass-dot {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 139, 255, 0.3), transparent 70%);
  pointer-events: none;
}
@media (max-width: 1024px) {
  .hero-inner {
    flex-direction: column;
    gap: 40px;
  }
  .hero-left {
    max-width: 100%;
  }
  .hero-right {
    flex: 0 0 auto;
    width: 100%;
    max-width: 420px;
    order: -1;
  }
  .hero-glass img {
    height: 220px;
  }
}
@media (max-width: 640px) {
  .hero {
    padding: 100px 0 48px;
  }
  .hero-stats {
    gap: 28px;
  }
  .stat-num {
    font-size: 24px;
  }
}
/* === 功能卡 === */
.func-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.func-row {
  display: flex;
  gap: 24px;
}
.func-large {
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  padding: 36px;
  display: flex;
  align-items: center;
  gap: 28px;
  transition: all var(--transition);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  flex: 1;
}
.func-large:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover), inset 0 1px 0 rgba(255,255,255,0.1);
  border-color: rgba(61, 139, 255, 0.3);
}
.func-lg-1 {
  flex: 5;
}
.func-lg-2 {
  flex: 7;
}
.func-lg-icon {
  width: 90px;
  height: 90px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 36px;
  color: #fff;
  background: linear-gradient(135deg, rgba(61, 139, 255, 0.3), rgba(61, 139, 255, 0.08));
  border: 1px solid rgba(61, 139, 255, 0.3);
  position: relative;
  overflow: hidden;
}
.func-lg-icon::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.15), transparent);
}
.func-lg-icon.green {
  background: linear-gradient(135deg, rgba(0, 212, 198, 0.25), rgba(0, 212, 198, 0.05));
  border-color: rgba(0, 212, 198, 0.3);
}
.func-lg-content {
  flex: 1;
}
.func-lg-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.func-lg-content p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.func-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition);
}
.func-link i {
  transition: transform var(--transition);
}
.func-link:hover i {
  transform: translateX(4px);
}
.func-small-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.func-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 28px;
  transition: all var(--transition);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
}
.func-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 198, 0.25);
}
.func-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--secondary);
  margin-bottom: 20px;
}
.func-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}
.func-card p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.65;
  margin-bottom: 16px;
}
@media (max-width: 1024px) {
  .func-row {
    flex-direction: column;
    gap: 20px;
  }
  .func-large {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 26px;
  }
  .func-lg-icon {
    width: 64px;
    height: 64px;
    font-size: 26px;
  }
}
@media (max-width: 760px) {
  .func-small-row {
    grid-template-columns: 1fr;
  }
  .func-lg-icon {
    width: 56px;
    height: 56px;
  }
}
/* === 使用场景 === */
.scene-block {
  display: flex;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}
.scene-block:last-child {
  margin-bottom: 0;
}
.scene-block.reverse {
  flex-direction: row-reverse;
}
.scene-media {
  flex: 1;
  border-radius: 20px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  padding: 10px;
}
.scene-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
}
.scene-content {
  flex: 1;
}
.scene-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.scene-num span {
  color: rgba(0, 212, 198, 0.4);
  font-weight: 800;
  font-size: 28px;
}
.scene-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.scene-content p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 14px;
}
@media (max-width: 1024px) {
  .scene-block, .scene-block.reverse {
    flex-direction: column;
    gap: 28px;
  }
  .scene-media {
    width: 100%;
  }
  .scene-media img {
    height: 220px;
  }
}
/* === 案例区块 === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}
.stat-item {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 139, 255, 0.25);
}
.stat-value {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testi-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 32px;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  position: relative;
  transition: all var(--transition);
}
.testi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.testi-card:nth-child(2) {
  transform: scale(1.05);
  border-color: rgba(0, 212, 198, 0.3);
  background: rgba(0, 212, 198, 0.05);
  box-shadow: 0 8px 48px rgba(0, 212, 198, 0.1), inset 0 1px 0 rgba(255,255,255,0.12);
}
.testi-card:nth-child(2):hover {
  box-shadow: 0 12px 56px rgba(0, 212, 198, 0.16), inset 0 1px 0 rgba(255,255,255,0.12);
}
.testi-card .quote-mark {
  font-size: 40px;
  font-family: Georgia, serif;
  color: var(--primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}
.testi-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 20px;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(61, 139, 255, 0.3), rgba(0, 212, 198, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  font-weight: 600;
}
.testi-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.testi-source {
  font-size: 12px;
  color: var(--text-muted);
}
.testi-stars {
  color: var(--accent);
  font-size: 12px;
  margin-left: auto;
  letter-spacing: 2px;
}
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .testi-card:nth-child(2) {
    transform: none;
  }
}
/* === 价格方案 === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
  max-width: 1080px;
  margin: 0 auto;
}
.price-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 36px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  transition: all var(--transition);
  position: relative;
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.price-card.featured {
  transform: scale(1.05);
  border-color: rgba(61, 139, 255, 0.4);
  background: rgba(61, 139, 255, 0.08);
  box-shadow: 0 0 32px rgba(61, 139, 255, 0.18), inset 0 1px 0 rgba(255,255,255,0.12);
}
.price-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}
.price-tag {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 18px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: 0 0 16px rgba(0, 212, 198, 0.35);
}
.price-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.price-amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 4px;
}
.price-amount small {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}
.price-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.price-features {
  flex: 1;
  margin-bottom: 28px;
}
.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  padding: 6px 0;
  color: var(--text);
}
.price-features li i {
  color: var(--secondary);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}
.price-btn {
  display: flex;
  justify-content: center;
}
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    gap: 32px;
  }
  .price-card.featured {
    transform: none;
  }
  .price-card.featured:hover {
    transform: translateY(-4px);
  }
}
/* === 资讯列表 === */
.news-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}
.news-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(61, 139, 255, 0.25);
  cursor: pointer;
}
.news-date {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(61, 139, 255, 0.15), rgba(0, 212, 198, 0.1));
  border: 1px solid rgba(61, 139, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.news-day {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.news-month {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.news-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
}
.news-title a {
  color: var(--text);
  transition: color var(--transition);
}
.news-title a:hover {
  color: var(--primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.empty-state {
  padding: 60px 24px;
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
}
.empty-state i {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
  opacity: 0.4;
}
.empty-state p {
  font-size: 14px;
}
.section-head-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}
.section-head-left h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-head-left p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 8px;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: all var(--transition);
}
.more-link:hover {
  color: var(--primary);
  border-color: rgba(61, 139, 255, 0.3);
  transform: translateX(2px);
}
/* === FAQ === */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  backdrop-filter: blur(14px);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}
.faq-item.open {
  border-color: rgba(61, 139, 255, 0.3);
  background: rgba(61, 139, 255, 0.04);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  user-select: none;
}
.faq-q .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(61, 139, 255, 0.2);
  border-color: rgba(61, 139, 255, 0.4);
  color: var(--primary);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 24px 22px;
}
.faq-a p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  border-left: 3px solid var(--primary);
  padding-left: 16px;
}
/* === CTA === */
.cta-section {
  padding: 80px 0;
}
.cta-banner {
  position: relative;
  background: var(--card-bg);
  border: 1px solid rgba(61, 139, 255, 0.2);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.1);
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(61, 139, 255, 0.14), transparent 70%);
  pointer-events: none;
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -50%;
  right: 20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 212, 198, 0.1), transparent 70%);
  pointer-events: none;
}
.cta-content {
  position: relative;
  z-index: 1;
}
.cta-content h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.cta-content p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.75;
}
@media (max-width: 640px) {
  .cta-banner {
    padding: 40px 24px;
  }
}
/* === 页脚 === */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 56px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  max-width: 260px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: rgba(61, 139, 255, 0.15);
  border-color: rgba(61, 139, 255, 0.3);
  color: var(--primary);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover {
  color: var(--primary);
}
.footer-contact {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
}
.footer-contact i {
  color: var(--primary);
  width: 20px;
  margin-right: 6px;
}
.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-copy a {
  color: rgba(160, 180, 200, 0.45);
}
.footer-copy a:hover {
  color: var(--text-secondary);
}
@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;
  }
}
/* === 背景装饰 === */
.orbit-decor {
  position: absolute;
  width: 400px;
  height: 400px;
  border: 1px dashed rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  pointer-events: none;
}
.orbit-decor .dot {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0, 212, 198, 0.5);
  top: 20%;
  left: 50%;
}
@media (max-width: 640px) {
  .orbit-decor {
    display: none;
  }
}
/* 用于 inner 页面的通用工具类 */
.text-center { text-align: center; }
.mt-2 { margin-top: 20px; }
.mb-2 { margin-bottom: 20px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #3D8BFF;
            --secondary: #00D4C6;
            --accent: #FFB65C;
            --bg-base: #060A18;
            --text-main: rgba(240, 248, 255, 0.92);
            --text-sub: rgba(160, 180, 200, 0.72);
            --text-weak: rgba(160, 180, 200, 0.5);
            --card-bg: rgba(255, 255, 255, 0.06);
            --card-border: rgba(255, 255, 255, 0.12);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-base: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
            --glow-primary: 0 0 12px rgba(61, 139, 255, 0.45);
            --glow-primary-hover: 0 0 24px rgba(61, 139, 255, 0.65);
            --section-space: 80px;
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        /* ===== Reset & 基础 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-base);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            position: relative;
        }
        body::before,
        body::after {
            content: "";
            position: fixed;
            border-radius: 50%;
            filter: blur(80px);
            z-index: 0;
            pointer-events: none;
        }
        body::before {
            width: 480px;
            height: 480px;
            background: rgba(61, 139, 255, 0.1);
            top: -120px;
            right: -100px;
        }
        body::after {
            width: 420px;
            height: 420px;
            background: rgba(0, 212, 198, 0.08);
            bottom: -100px;
            left: -80px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #a8c9ff;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            letter-spacing: .01em;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--glow-primary);
        }
        .btn-primary:hover {
            background: #5c9bff;
            color: #fff;
            box-shadow: var(--glow-primary-hover);
            transform: translateY(-2px);
        }
        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.14);
            color: var(--text-main);
            backdrop-filter: blur(10px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.28);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-ghost:focus {
            outline: 2px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-sm {
            min-height: 38px;
            padding: 0 20px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== Dock 导航 ===== */
        .dock-wrap {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 16px;
            pointer-events: none;
        }
        .dock-nav {
            pointer-events: auto;
            display: flex;
            align-items: center;
            max-width: 960px;
            width: 100%;
            background: rgba(10, 16, 32, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            gap: 20px;
            transition: var(--transition);
        }
        .dock-nav.scrolled {
            background: rgba(8, 12, 24, 0.85);
            box-shadow: 0 12px 44px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .dock-logo:hover {
            color: var(--text-main);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            box-shadow: 0 0 16px rgba(61, 139, 255, 0.4);
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .dock-links a {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            transition: var(--transition);
            white-space: nowrap;
        }
        .dock-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .dock-links a.active {
            color: #fff;
            background: rgba(61, 139, 255, 0.18);
            box-shadow: inset 0 0 0 1px rgba(61, 139, 255, 0.35);
        }
        .dock-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-sub);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-search-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-1px);
        }
        .nav-search-btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: #fff;
        }
        .nav-toggle:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端全屏菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(6, 10, 24, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 30px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .35s ease, visibility .35s ease;
        }
        .mobile-menu.open {
            display: flex;
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu a {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-sub);
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--primary);
        }
        .mobile-menu .btn {
            margin-top: 10px;
        }
        body.menu-locked {
            overflow: hidden;
        }

        /* ===== 分类头部条 ===== */
        .cat-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: linear-gradient(to bottom, rgba(6, 10, 24, 0.2), rgba(6, 10, 24, 0.72)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            isolation: isolate;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(61, 139, 255, 0.15), transparent 60%);
            z-index: -1;
        }
        .cat-hero-inner {
            max-width: 760px;
            padding-left: 8px;
        }
        .cat-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text-sub);
            backdrop-filter: blur(10px);
            margin-bottom: 20px;
        }
        .cat-hero .hero-tag i {
            color: var(--secondary);
        }
        .cat-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            background: linear-gradient(100deg, #fff 30%, #bcd8ff 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cat-hero p {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 600px;
        }
        .cat-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cat-hero .hero-stats .stat {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .cat-hero .hero-stats .stat b {
            font-size: 26px;
            color: var(--secondary);
            font-variant-numeric: tabular-nums;
        }
        .cat-hero .hero-stats .stat span {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ===== 分类介绍区 ===== */
        .intro-section {
            padding: var(--section-space) 0;
            position: relative;
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
        }
        .intro-text .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--secondary);
            background: rgba(0, 212, 198, 0.1);
            border: 1px solid rgba(0, 212, 198, 0.2);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: .02em;
        }
        .intro-text h2,
        .feature-section h2,
        .process-section h2,
        .faq-section h2,
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .intro-text .intro-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .intro-list {
            list-style: none;
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }
        .intro-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--text-main);
        }
        .intro-list li i {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 212, 198, 0.15);
            border: 1px solid rgba(0, 212, 198, 0.25);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }
        .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .intro-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 10, 24, 0.4), transparent 50%);
        }
        .intro-image .img-caption {
            position: absolute;
            bottom: 18px;
            left: 18px;
            z-index: 1;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(6, 10, 24, 0.5);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* ===== 核心服务 ===== */
        .feature-section {
            padding: var(--section-space) 0;
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            position: relative;
        }
        .feature-section .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .feature-section .section-head h2 {
            margin-bottom: 10px;
        }
        .feature-section .section-head p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 620px;
            margin: 0 auto;
        }
        .feature-grid-lg {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        .feature-grid-sm {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .feature-card {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-base), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            border-color: rgba(61, 139, 255, 0.35);
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(61, 139, 255, 0.08);
            transition: var(--transition);
        }
        .feature-card:hover::before {
            transform: scale(1.6);
            background: rgba(61, 139, 255, 0.15);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(61, 139, 255, 0.2), rgba(0, 212, 198, 0.15));
            border: 1px solid rgba(61, 139, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 18px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .feature-link i {
            transition: transform .3s ease;
            font-size: 12px;
        }
        .feature-link:hover {
            color: #fff;
        }
        .feature-link:hover i {
            transform: translateX(4px);
        }
        .feature-card-lg {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .feature-card-lg .feature-icon {
            width: 72px;
            height: 72px;
            border-radius: 20px;
            font-size: 30px;
        }
        .feature-card-lg h3 {
            font-size: 24px;
        }
        .feature-card-lg p {
            font-size: 16px;
        }

        /* ===== 使用流程 ===== */
        .process-section {
            padding: var(--section-space) 0;
            position: relative;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 48px;
            position: relative;
        }
        .process-grid::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(61, 139, 255, 0.3), rgba(0, 212, 198, 0.3), transparent);
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 0 10px;
        }
        .step-num {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 1px solid rgba(61, 139, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            box-shadow: 0 0 28px rgba(61, 139, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            position: relative;
            z-index: 1;
            background: rgba(10, 16, 32, 0.9);
            backdrop-filter: blur(10px);
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-space) 0;
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .faq-section .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition);
            box-shadow: var(--shadow-base), inset 0 1px 0 rgba(255, 255, 255, 0.06);
        }
        .faq-item:hover {
            border-color: rgba(61, 139, 255, 0.25);
        }
        .faq-item.active {
            border-color: rgba(61, 139, 255, 0.35);
            box-shadow: 0 0 24px rgba(61, 139, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 4px 0;
            user-select: none;
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-sub);
            flex-shrink: 0;
            transition: all .4s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(61, 139, 255, 0.18);
            border-color: rgba(61, 139, 255, 0.4);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--section-space) 0;
            position: relative;
        }
        .cta-panel {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            overflow: hidden;
            box-shadow: var(--shadow-hover), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(61, 139, 255, 0.25), transparent 70%);
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            pointer-events: none;
        }
        .cta-panel::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 198, 0.18), transparent 70%);
            bottom: -60px;
            right: 10%;
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 30px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .cta-panel .btn {
            position: relative;
            z-index: 1;
        }
        .cta-narrow {
            max-width: 1000px;
            margin: 0 auto;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #05070F;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 70px 0 30px;
            position: relative;
            z-index: 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 280px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 15px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: rgba(61, 139, 255, 0.2);
            border-color: rgba(61, 139, 255, 0.4);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-sub);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 2;
        }
        .footer-contact i {
            width: 20px;
            color: var(--primary);
            font-size: 13px;
        }
        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-copy a {
            color: var(--text-weak);
            transition: var(--transition);
        }
        .footer-copy a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --section-space: 60px;
            }
            .feature-grid-lg {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }
            .process-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 768px) {
            .dock-links,
            .dock-actions .nav-search-btn,
            .dock-actions .btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .dock-nav {
                padding: 8px 16px;
            }
            .dock-logo {
                flex: 1;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .intro-image img {
                height: 240px;
            }
            .feature-grid-sm {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .cta-panel {
                padding: 40px 24px;
                border-radius: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero {
                min-height: 260px;
                padding: 120px 0 60px;
            }
            .cat-hero .hero-stats {
                gap: 20px;
            }
            .cat-hero .hero-stats .stat b {
                font-size: 22px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .btn {
                padding: 0 20px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .dock-nav {
                border-radius: 30px;
            }
            .dock-logo span:last-child {
                font-size: 15px;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .footer-copy {
                font-size: 12px;
                line-height: 1.6;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .cat-hero-inner {
            animation: fadeUp .7s ease both;
        }

/* roulang page: article */
:root{
  --primary:#3D8BFF;
  --accent:#00D4C6;
  --amber:#FFB65C;
  --bg:#060A18;
  --text:rgba(240,248,255,.92);
  --text-2:rgba(160,180,200,.72);
  --text-3:rgba(160,180,200,.5);
  --glass-bg:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 4px 24px rgba(0,0,0,.25);
  --shadow-hover:0 12px 40px rgba(0,0,0,.4);
  --shadow-glow:0 0 12px rgba(61,139,255,.45);
  --font:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
  margin:0;
  padding:0;
  position:relative;
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none;transition:all .3s ease}
a:hover{color:var(--primary)}
ul,ol{list-style-position:inside}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}
.page-bg{
  position:fixed;
  inset:0;
  background:
    radial-gradient(ellipse at 85% 8%,rgba(61,139,255,.12),transparent 55%),
    radial-gradient(ellipse at 12% 92%,rgba(0,212,198,.08),transparent 50%),
    var(--bg);
  pointer-events:none;
  z-index:0;
}
.page-bg::after{
  content:'';
  position:absolute;
  right:-120px;
  top:12%;
  width:420px;
  height:420px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.04);
  box-shadow:0 0 0 30px rgba(255,255,255,.012),0 0 0 60px rgba(255,255,255,.008);
}
.page-bg::before{
  content:'';
  position:absolute;
  left:-80px;
  bottom:-80px;
  width:300px;
  height:300px;
  border-radius:50%;
  border:1px dashed rgba(255,255,255,.05);
}

/* ============ Docker导航 ============ */
.dock-wrap{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:100;
  display:flex;
  justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.dock-nav{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:8px;
  max-width:900px;
  width:100%;
  background:rgba(13,18,32,.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:10px 18px;
  box-shadow:0 8px 32px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.06);
  transition:background .4s,box-shadow .4s;
}
.dock-wrap.scrolled .dock-nav{
  background:rgba(8,12,24,.88);
  box-shadow:0 12px 40px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.05);
}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  padding:4px 6px;
  border-radius:40px;
  white-space:nowrap;
}
.dock-logo .logo-mark{
  width:34px;
  height:34px;
  flex-shrink:0;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:14px;
  color:#fff;
  box-shadow:0 0 14px rgba(61,139,255,.4);
}
.dock-logo > span:last-child{
  font-size:16px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text);
  white-space:nowrap;
}
.dock-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:14px;
  flex:1;
  justify-content:center;
}
.dock-links a{
  padding:7px 14px;
  border-radius:30px;
  font-size:14px;
  color:var(--text-2);
  transition:all .25s;
  white-space:nowrap;
}
.dock-links a:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
}
.dock-links a.active{
  color:var(--primary);
  background:rgba(61,139,255,.12);
  font-weight:600;
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-search-btn{
  width:36px;
  height:36px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  font-size:14px;
  transition:all .25s;
  border:1px solid transparent;
}
.nav-search-btn:hover{
  color:var(--text);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 10px rgba(61,139,255,.15);
}
.nav-search-btn:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:38px;
  height:38px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  transition:all .2s;
}
.nav-toggle span{
  width:16px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:all .3s;
  display:block;
}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.mobile-menu{
  display:none;
  position:fixed;
  top:0;
  left:0;
  right:0;
  bottom:0;
  z-index:99;
  background:rgba(6,10,24,.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  padding:100px 30px 40px;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
  opacity:0;
  transform:translateY(-20px);
  transition:all .35s ease;
}
.mobile-menu.open{
  opacity:1;
  transform:translateY(0);
}
.mobile-menu a{
  display:block;
  padding:14px 20px;
  font-size:18px;
  font-weight:500;
  color:var(--text-2);
  border-radius:14px;
  text-align:center;
  background:rgba(255,255,255,.04);
  transition:all .25s;
}
.mobile-menu a.active{
  background:rgba(61,139,255,.14);
  color:var(--primary);
  font-weight:600;
}
.mobile-menu .mobile-menu-actions{
  margin-top:16px;
  text-align:center;
}
.mobile-menu .btn{
  width:100%;
  max-width:240px;
}
.mobile-menu-close{
  position:absolute;
  top:28px;
  right:26px;
  width:40px;
  height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}
.mobile-menu-close:hover{background:rgba(255,255,255,.16)}
body.menu-open{overflow:hidden}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  line-height:1;
  min-height:44px;
  transition:all .3s ease;
  cursor:pointer;
  border:none;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#1e6fe8);
  color:#fff;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#2684ff,#2a75e8);
  transform:translateY(-2px);
  box-shadow:0 0 22px rgba(61,139,255,.65);
  color:#fff;
}
.btn-primary:active{
  transform:translateY(0);
}
.btn-primary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn-ghost{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.28);
  transform:translateY(-2px);
  color:var(--text);
}
.btn-ghost:active{
  transform:translateY(0);
}
.btn-ghost:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn-sm{
  padding:8px 18px;
  min-height:38px;
  font-size:13px;
}
.btn-lg{
  padding:15px 32px;
  font-size:15px;
}

/* ============ 面包屑 ============ */
.breadcrumb{
  margin-top:96px;
  margin-bottom:28px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
}
.breadcrumb a{
  color:var(--text-3);
  transition:color .25s;
}
.breadcrumb a:hover{
  color:var(--primary);
}
.breadcrumb .sep{
  font-size:12px;
  color:var(--text-3);
  opacity:.6;
}
.breadcrumb .current{
  color:var(--text-2);
  max-width:300px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ============ 文章卡 ============ */
.article-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:40px;
  margin-bottom:48px;
}
.article-header{
  text-align:center;
  margin-bottom:24px;
}
.article-header h1{
  font-size:clamp(1.6rem,3.5vw,2.5rem);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.35;
  margin-bottom:16px;
  color:var(--text);
  text-shadow:0 2px 20px rgba(61,139,255,.15);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:14px;
  color:var(--text-2);
  font-size:13px;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.meta-item i{
  color:var(--primary);
  font-size:14px;
}
.meta-item a{
  color:var(--text-2);
}
.meta-item a:hover{
  color:var(--primary);
}
.meta-separator{
  color:rgba(255,255,255,.2);
}
.article-cover{
  margin:28px 0 32px;
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 32px rgba(0,0,0,.3);
}
.article-cover img{
  width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
}

/* ============ 正文排版 ============ */
.article-body{
  max-width:780px;
  margin:0 auto;
  font-size:16px;
  line-height:1.85;
}
.article-body h2{
  font-size:1.45em;
  font-weight:700;
  margin:2em 0 .8em;
  color:var(--text);
  letter-spacing:-.01em;
  padding-left:14px;
  border-left:3px solid var(--primary);
  line-height:1.4;
}
.article-body h3{
  font-size:1.2em;
  font-weight:600;
  margin:1.8em 0 .6em;
  color:var(--text);
  line-height:1.5;
}
.article-body p{
  margin-bottom:1.5em;
  color:rgba(215,225,235,.82);
  line-height:1.85;
}
.article-body strong{
  color:var(--text);
  font-weight:600;
}
.article-body ul,
.article-body ol{
  margin:1.2em 0 1.5em;
  padding-left:1.4em;
  color:rgba(215,225,235,.82);
}
.article-body li{
  margin-bottom:.5em;
  line-height:1.8;
}
.article-body blockquote{
  border-left:4px solid var(--primary);
  background:rgba(61,139,255,.07);
  padding:1.2em 1.5em;
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  margin:1.8em 0;
  color:var(--text-2);
  font-style:normal;
}
.article-body blockquote p{
  margin-bottom:0;
  color:var(--text-2);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.8em 0;
  font-size:14px;
  background:rgba(255,255,255,.03);
  border-radius:12px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
}
.article-body th,
.article-body td{
  padding:12px 16px;
  border-bottom:1px solid rgba(255,255,255,.07);
  text-align:left;
  color:rgba(215,225,235,.82);
}
.article-body th{
  background:rgba(61,139,255,.12);
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.article-body tr:last-child td{
  border-bottom:none;
}
.article-body code{
  background:rgba(0,212,198,.1);
  border-radius:4px;
  padding:.2em .45em;
  font-size:.88em;
  color:var(--accent);
  font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;
}
.article-body pre{
  background:#0a0f1a;
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  padding:18px;
  overflow-x:auto;
  margin:1.6em 0;
  line-height:1.6;
}
.article-body pre code{
  background:transparent;
  padding:0;
  color:rgba(210,225,240,.9);
  font-size:14px;
}
.article-body img{
  border-radius:12px;
  margin:1.5em 0;
  width:100%;
  object-fit:cover;
}
.article-body hr{
  border:none;
  border-top:1px solid rgba(255,255,255,.08);
  margin:2em auto;
  max-width:320px;
}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(61,139,255,.3);
  transition:all .2s;
}
.article-body a:hover{
  color:#6aa8ff;
  border-bottom-color:currentColor;
}

/* ============ 空状态 ============ */
.article-empty{
  text-align:center;
  padding:80px 20px;
}
.article-empty .empty-icon{
  font-size:44px;
  color:var(--text-3);
  margin-bottom:16px;
}
.article-empty p{
  font-size:18px;
  color:var(--text-2);
  margin-bottom:20px;
}

/* ============ 文章底部 ============ */
.article-bottom{
  margin-top:32px;
}
.article-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:40px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
}

/* ============ 相关阅读 ============ */
.related-posts h2{
  font-size:22px;
  font-weight:700;
  margin-bottom:20px;
  letter-spacing:-.01em;
  position:relative;
  padding-left:14px;
}
.related-posts h2::before{
  content:'';
  position:absolute;
  left:0;
  top:5px;
  bottom:5px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:all .3s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(61,139,255,.3);
}
.related-thumb{
  height:160px;
  overflow:hidden;
  position:relative;
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.related-card:hover .related-thumb img{
  transform:scale(1.05);
}
.related-info{
  padding:16px 18px;
}
.related-cat{
  display:inline-block;
  background:rgba(61,139,255,.12);
  color:var(--primary);
  font-size:12px;
  font-weight:500;
  padding:3px 10px;
  border-radius:999px;
  margin-bottom:8px;
}
.related-info h3{
  font-size:15px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:45px;
}
.related-info h3:hover{
  color:var(--primary);
}
.related-date{
  font-size:12px;
  color:var(--text-3);
}

/* ============ 页脚 ============ */
.footer{
  background:#05070F;
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:80px;
  padding:60px 0 28px;
  position:relative;
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  margin-bottom:40px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-logo .logo-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
  font-weight:800;
  font-size:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 12px rgba(61,139,255,.3);
}
.footer-logo span:last-child{
  font-size:17px;
  font-weight:700;
  color:var(--text);
}
.footer-brand p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.7;
  margin-bottom:16px;
  max-width:260px;
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  width:36px;
  height:36px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:var(--text-2);
  font-size:14px;
  transition:all .25s;
}
.footer-social a:hover{
  background:rgba(61,139,255,.15);
  color:var(--primary);
  border-color:rgba(61,139,255,.3);
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:14px;
}
.footer-col ul{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-col ul li{
  margin-bottom:8px;
}
.footer-col ul a{
  color:var(--text-2);
  font-size:14px;
  transition:all .2s;
}
.footer-col ul a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-contact{
  font-size:14px;
  color:var(--text-2);
  line-height:2;
}
.footer-contact i{
  color:var(--primary);
  width:20px;
  display:inline-block;
}
.footer-copy{
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:22px;
  text-align:center;
  font-size:13px;
  color:var(--text-3);
}
.footer-copy a{
  color:var(--text-3);
}
.footer-copy a:hover{
  color:var(--primary);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .dock-nav{
    max-width:100%;
  }
  .dock-links{
    margin-left:4px;
  }
  .dock-links a{
    padding:6px 10px;
    font-size:13px;
  }
  .related-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
}
@media (max-width:768px){
  .dock-nav{
    padding:8px 12px;
  }
  .dock-links{
    display:none;
  }
  .dock-actions .nav-search-btn{
    display:flex;
  }
  .dock-actions .btn{
    display:none;
  }
  .nav-toggle{
    display:flex;
  }
  .mobile-menu{
    display:flex;
  }
  .article-card{
    padding:24px 20px;
    margin-bottom:32px;
  }
  .article-meta{
    gap:8px;
    font-size:12px;
  }
  .related-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .breadcrumb{
    margin-top:84px;
  }
}
@media (max-width:640px){
  .container{
    padding:0 16px;
  }
  .dock-wrap{
    top:10px;
    padding:0 12px;
  }
  .article-header h1{
    font-size:1.4rem;
  }
  .article-body{
    font-size:15px;
  }
  .article-body table{
    font-size:13px;
  }
  .article-body th,
  .article-body td{
    padding:8px 10px;
  }
  .article-actions .btn{
    flex:1;
    min-width:120px;
  }
  .footer-copy{
    font-size:12px;
    line-height:1.6;
  }
}

/* roulang page: category2 */
:root {
  --primary: #3D8BFF;
  --primary-glow: rgba(61, 139, 255, 0.45);
  --secondary: #00D4C6;
  --accent: #FFB65C;
  --bg-base: #060A18;
  --bg-deep: #05070F;
  --text-main: rgba(240, 248, 255, 0.92);
  --text-sub: rgba(160, 180, 200, 0.72);
  --text-weak: rgba(160, 180, 200, 0.5);
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 12px rgba(61, 139, 255, 0.45);
  --shadow-glow-hover: 0 0 24px rgba(61, 139, 255, 0.65);
  --container-width: 1240px;
  --section-space: 80px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -10%;
  right: -10%;
  width: 520px;
  height: 520px;
  background: rgba(61, 139, 255, 0.08);
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -10%;
  left: -10%;
  width: 480px;
  height: 480px;
  background: rgba(0, 212, 198, 0.06);
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section { padding: var(--section-space) 0; }

/* ===== Dock 导航 ===== */
.dock-wrap {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}

.dock-nav {
  pointer-events: auto;
  width: 100%;
  max-width: 860px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(6, 10, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  padding: 10px 20px 10px 22px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 32px rgba(0, 0, 0, 0.35);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.dock-wrap.scrolled .dock-nav {
  background: rgba(6, 10, 24, 0.88);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 8px 40px rgba(0, 0, 0, 0.5);
}

.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(61, 139, 255, 0.25), rgba(0, 212, 198, 0.15));
  border: 1px solid rgba(61, 139, 255, 0.3);
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.dock-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.dock-links a {
  padding: 7px 15px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: var(--radius-pill);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.dock-links a:hover {
  color: var(--text-main);
  background: rgba(61, 139, 255, 0.1);
}

.dock-links a.active {
  color: var(--text-main);
  background: rgba(61, 139, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(61, 139, 255, 0.25);
}

.dock-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-search-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-sub);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
  font-size: 14px;
}

.nav-search-btn:hover {
  color: var(--primary);
  border-color: rgba(61, 139, 255, 0.3);
  background: rgba(61, 139, 255, 0.1);
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--primary), #2B6FE8);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 0 24px;
  height: 40px;
  border: none;
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow-hover);
  transform: translateY(-2px);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-glow);
}

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

.btn-primary.btn-sm {
  height: 36px;
  padding: 0 20px;
  font-size: 13px;
}

.btn-primary.btn-lg {
  height: 50px;
  padding: 0 36px;
  font-size: 15px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  padding: 0 24px;
  height: 40px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-ghost:hover {
  border-color: rgba(61, 139, 255, 0.4);
  color: var(--primary);
  transform: translateY(-2px);
  background: rgba(61, 139, 255, 0.06);
}

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

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

.btn-ghost.btn-sm {
  height: 36px;
  padding: 0 20px;
  font-size: 13px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-sub);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle:hover span { background: var(--primary); }

/* ===== 分类头部条 ===== */
.category-hero {
  position: relative;
  padding: 180px 0 80px;
  margin-top: 0;
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 24, 0.82) 0%, rgba(6, 10, 24, 0.65) 60%, rgba(6, 10, 24, 0.92) 100%);
  z-index: 1;
}

.category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(ellipse at 80% 40%, rgba(61, 139, 255, 0.08), transparent 60%);
}

.category-hero-content {
  position: relative;
  z-index: 3;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.category-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 12px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.category-hero-content p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-sub);
  backdrop-filter: blur(12px);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.hero-badge i { color: var(--secondary); font-size: 12px; }

/* ===== 分类介绍区 ===== */
.category-intro {
  padding: 80px 0;
  position: relative;
}

.category-intro .section-head { margin-bottom: 40px; }

.section-head {
  margin-bottom: 40px;
}

.section-head .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(0, 212, 198, 0.08);
  border: 1px solid rgba(0, 212, 198, 0.2);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-head .section-sub {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.6;
  max-width: 640px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.intro-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.intro-text p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 16px;
}

.intro-text p:last-child { margin-bottom: 0; }

.intro-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 4px 24px rgba(0,0,0,0.3);
  height: 320px;
  background: var(--glass-bg);
}

.intro-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.intro-figure:hover img {
  transform: scale(1.03);
}

.intro-figure::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(6, 10, 24, 0.3) 100%);
  pointer-events: none;
}

/* ===== 资讯列表 ===== */
.news-list-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 10, 24, 0.5) 50%, transparent 100%);
  position: relative;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.news-item {
  display: flex;
  gap: 28px;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.news-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 3px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.news-item:hover {
  border-color: rgba(61, 139, 255, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 12px 40px rgba(0, 0, 0, 0.35);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.055);
}

.news-item:hover::before { opacity: 1; }

.news-date-block {
  flex-shrink: 0;
  width: 84px;
  height: 84px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(61, 139, 255, 0.14), rgba(0, 212, 198, 0.08));
  border: 1px solid rgba(61, 139, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.4s ease;
}

.news-item:hover .news-date-block {
  border-color: rgba(61, 139, 255, 0.5);
  box-shadow: 0 0 20px rgba(61, 139, 255, 0.15);
}

.news-date-block .date-day {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.news-date-block .date-month {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

.news-content { flex: 1; min-width: 0; }

.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  background: rgba(0, 212, 198, 0.1);
  color: var(--secondary);
  border: 1px solid rgba(0, 212, 198, 0.22);
  letter-spacing: 0.02em;
}

.badge.secondary {
  background: rgba(61, 139, 255, 0.1);
  color: var(--primary);
  border-color: rgba(61, 139, 255, 0.25);
}

.badge.accent {
  background: rgba(255, 182, 92, 0.1);
  color: var(--accent);
  border-color: rgba(255, 182, 92, 0.3);
}

.news-time {
  font-size: 12px;
  color: var(--text-weak);
}

.news-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.news-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.news-excerpt {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
  margin-top: 12px;
  transition: all 0.3s ease;
}

.news-link i { font-size: 12px; }

.news-link:hover {
  gap: 10px;
  color: var(--secondary);
}

/* ===== CTA 条 ===== */
.cta-section {
  padding: 60px 0 80px;
  position: relative;
}

.cta-banner {
  position: relative;
  padding: 52px 48px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(61, 139, 255, 0.08), rgba(0, 212, 198, 0.04)), rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 32px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  text-align: center;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(61, 139, 255, 0.15), transparent 60%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(0, 212, 198, 0.08), transparent 60%);
  pointer-events: none;
}

.cta-banner > * { position: relative; z-index: 1; }

.cta-banner h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.cta-banner p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 28px;
}

.cta-banner .btn-primary {
  min-width: 140px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 64px 0 28px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 28px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

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

.footer-brand .footer-logo .logo-mark {
  width: 36px;
  height: 36px;
  font-size: 15px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 20px;
}

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

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-sub);
  font-size: 15px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: rgba(61, 139, 255, 0.4);
  color: var(--primary);
  transform: translateY(-2px);
  background: rgba(61, 139, 255, 0.06);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

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

.footer-col ul a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.3s ease;
}

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

.footer-contact {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 2.2;
}

.footer-contact i {
  color: var(--primary);
  margin-right: 6px;
  font-size: 13px;
}

.footer-copy {
  text-align: center;
  font-size: 13px;
  color: var(--text-weak);
  padding-top: 24px;
}

.footer-copy a {
  color: var(--text-weak);
  transition: color 0.3s ease;
}

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

.footer-copy i {
  font-size: 11px;
  margin: 0 4px;
  color: var(--text-weak);
}

/* ===== 搜索浮层 ===== */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: rgba(6, 10, 24, 0.9);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 120px 20px 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-box {
  width: 100%;
  max-width: 640px;
}

.search-box form {
  display: flex;
  gap: 10px;
}

.search-box input[type="text"] {
  flex: 1;
  height: 52px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0 24px;
  font-size: 16px;
  color: var(--text-main);
  font-family: inherit;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.search-box input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(61, 139, 255, 0.2);
}

.search-box input[type="text"]::placeholder {
  color: var(--text-weak);
}

.search-box button[type="submit"] {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #2B6FE8);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
}

.search-box button[type="submit"]:hover {
  box-shadow: var(--shadow-glow-hover);
  transform: scale(1.05);
}

.search-box button[type="submit"]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1999;
  background: rgba(6, 10, 24, 0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-main);
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  transition: all 0.3s ease;
}

.mobile-menu a:hover {
  background: rgba(61, 139, 255, 0.1);
  color: var(--primary);
}

.mobile-menu a.active {
  background: rgba(61, 139, 255, 0.16);
  color: var(--primary);
}

.mobile-menu .btn-primary {
  margin-top: 12px;
  min-width: 160px;
}

.mobile-menu .menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-sub);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.mobile-menu .menu-close:hover {
  color: var(--primary);
  border-color: rgba(61, 139, 255, 0.4);
  transform: rotate(90deg);
}

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

body.menu-open {
  overflow: hidden;
}

/* ===== 背景轨道装饰 ===== */
.track-decoration {
  position: absolute;
  top: 40%;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 2px dashed rgba(61, 139, 255, 0.08);
  pointer-events: none;
  z-index: 0;
}

.track-decoration::after {
  content: '';
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 212, 198, 0.06);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --section-space: 60px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
  }

  .footer-contact { grid-column: auto; }

  .intro-grid {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 48px;
  }

  .container {
    padding: 0 16px;
  }

  .dock-wrap {
    top: 12px;
    padding: 0 12px;
  }

  .dock-nav {
    padding: 8px 14px;
    gap: 8px;
  }

  .dock-links {
    display: none;
  }

  .dock-actions .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .category-hero {
    padding: 150px 0 56px;
    min-height: 280px;
  }

  .category-hero-content h1 {
    font-size: 2rem;
  }

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

  .intro-figure {
    height: 240px;
  }

  .news-item {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .news-date-block {
    width: 64px;
    height: 64px;
    border-radius: 12px;
  }

  .news-date-block .date-day {
    font-size: 22px;
  }

  .news-date-block .date-month {
    font-size: 11px;
  }

  .news-title {
    font-size: 16px;
  }

  .cta-banner {
    padding: 36px 20px;
  }

  .cta-banner p {
    font-size: 14px;
  }

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

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

  .footer-col h4 {
    margin-bottom: 12px;
  }

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

  .dock-logo {
    font-size: 14px;
  }

  .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .footer-copy {
    font-size: 12px;
    line-height: 1.8;
  }
}

@media (max-width: 520px) {
  .dock-logo span:last-child {
    font-size: 13px;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .dock-nav {
    padding: 8px 12px;
  }

  .nav-search-btn {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .nav-toggle {
    width: 32px;
    height: 32px;
    gap: 4px;
  }

  .category-hero {
    padding: 140px 0 48px;
    min-height: 260px;
  }

  .category-hero-content h1 {
    font-size: 1.6rem;
  }

  .category-hero-content p {
    font-size: 13px;
  }

  .hero-badge {
    font-size: 11px;
    padding: 4px 12px;
  }

  .section-head h2 {
    font-size: 1.4rem;
  }

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

  .news-item {
    padding: 18px 16px;
  }

  .news-meta {
    gap: 8px;
  }

  .badge {
    font-size: 11px;
    padding: 2px 10px;
  }

  .news-excerpt {
    font-size: 13px;
  }

  .news-link {
    font-size: 12px;
  }

  .cta-banner h2 {
    font-size: 1.25rem;
  }

  .cta-banner p {
    font-size: 13px;
  }

  .btn-primary.btn-lg {
    width: 100%;
    height: 46px;
    font-size: 14px;
  }

  .footer {
    padding: 48px 0 20px;
  }

  .footer-copy {
    font-size: 11px;
  }

  .search-overlay {
    padding: 100px 16px 16px;
  }

  .search-box input[type="text"] {
    font-size: 14px;
    height: 46px;
  }

  .search-box button[type="submit"] {
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 390px) {
  .dock-logo span:last-child {
    max-width: 100px;
  }

  .dock-logo .logo-mark {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
}