/* ==========================================================================
   Tolink 机场首页 - 高能粒子对撞机风格 (Hadron Collider Style) 核心样式表
   ========================================================================== */

:root {
  --bg-deep: #030509;
  --bg-card: rgba(10, 16, 28, 0.75);
  --bg-card-hover: rgba(16, 26, 46, 0.88);
  --border-color: rgba(0, 240, 255, 0.16);
  --border-glow: rgba(0, 240, 255, 0.45);
  --cyan-beam: #00f0ff;
  --blue-beam: #0066ff;
  --purple-beam: #a855f7;
  --pink-beam: #ec4899;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --glow-shadow: 0 0 25px rgba(0, 240, 255, 0.35);
  --glow-purple: 0 0 30px rgba(168, 85, 247, 0.35);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 15%, rgba(0, 102, 255, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 80% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 50%),
              #030509;
  color: var(--text-main);
}

/* 宇宙背景粒子微光网格 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

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

/* 顶部高能公告栏 */
.top-announcement {
  background: linear-gradient(90deg, rgba(0, 102, 255, 0.4), rgba(0, 240, 255, 0.3), rgba(168, 85, 247, 0.4));
  border-bottom: 1px solid rgba(0, 240, 255, 0.3);
  padding: 8px 16px;
  font-size: 0.85rem;
  text-align: center;
  position: relative;
  z-index: 100;
  backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.top-announcement span.badge {
  background: #00f0ff;
  color: #030509;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  font-size: 0.75rem;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
}

.top-announcement a {
  text-decoration: underline;
  color: #ffffff;
  font-weight: 600;
  margin-left: 6px;
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(3, 5, 9, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 240, 255, 0.12);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

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

.collider-icon {
  width: 36px;
  height: 36px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.collider-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px dashed var(--cyan-beam);
  border-radius: 50%;
  animation: rotateClockwise 8s linear infinite;
}

.collider-core {
  width: 12px;
  height: 12px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 12px var(--cyan-beam), 0 0 24px var(--blue-beam);
}

@keyframes rotateClockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #ffffff 30%, var(--cyan-beam) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  flex-direction: column;
}

.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--cyan-beam);
  font-family: var(--font-mono);
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links li a {
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: all 0.25s ease;
  position: relative;
  padding: 4px 0;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--cyan-beam);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

.nav-btn {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(0, 102, 255, 0.25));
  border: 1px solid var(--cyan-beam);
  color: #ffffff !important;
  padding: 8px 18px !important;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  transition: all 0.3s ease !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  background: linear-gradient(135deg, var(--cyan-beam), var(--blue-beam)) !important;
  color: #030509 !important;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.6) !important;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* 核心 Hero 英雄区 & 粒子对撞加速模拟器 */
.hero-section {
  position: relative;
  padding: 60px 24px 80px;
  min-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 10;
  overflow: hidden;
}

.hero-tagline-wrapper {
  margin-bottom: 24px;
}

.quantum-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-beam);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--cyan-beam);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-beam);
  animation: pulseLight 1.5s infinite;
}

@keyframes pulseLight {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.18;
  max-width: 960px;
  margin: 0 auto 18px;
  letter-spacing: -0.5px;
}

.hero-title .glow-text {
  background: linear-gradient(135deg, #ffffff 20%, var(--cyan-beam) 60%, var(--purple-beam) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 35px rgba(0, 240, 255, 0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: #cbd5e1;
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-subtitle .highlight-quote {
  display: block;
  font-style: italic;
  color: var(--cyan-beam);
  font-weight: 500;
  margin-top: 8px;
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

/* 粒子加速对撞模拟器交互区 */
.collider-simulator-container {
  position: relative;
  width: 100%;
  max-width: 820px;
  height: 480px;
  margin: 10px auto 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

#collider-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  pointer-events: none;
  z-index: 1;
}

.simulator-overlay-control {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 30px;
  border-radius: 50%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(6, 12, 24, 0.9) 0%, rgba(3, 6, 14, 0.65) 75%, transparent 100%);
  border: 1px dashed rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15), inset 0 0 30px rgba(0, 102, 255, 0.2);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.simulator-overlay-control:hover {
  border-color: var(--cyan-beam);
  box-shadow: 0 0 45px rgba(0, 240, 255, 0.35), inset 0 0 40px rgba(0, 240, 255, 0.25);
  transform: scale(1.03);
}

.simulator-overlay-control.accelerating {
  border-color: #ffffff;
  box-shadow: 0 0 80px rgba(0, 240, 255, 0.9), inset 0 0 60px rgba(168, 85, 247, 0.6);
  transform: scale(0.96);
  animation: jitter 0.05s infinite alternate;
}

@keyframes jitter {
  0% { transform: scale(0.96) translate(0, 0); }
  50% { transform: scale(0.96) translate(1px, -1px); }
  100% { transform: scale(0.96) translate(-1px, 1px); }
}

.interactive-fingerprint {
  width: 48px;
  height: 48px;
  color: var(--cyan-beam);
  margin-bottom: 8px;
  filter: drop-shadow(0 0 8px var(--cyan-beam));
}

.control-instruction {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.control-sub-instruction {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* 仪表读数 HUD */
.hud-telemetry {
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 32px;
  font-family: var(--font-mono);
  z-index: 6;
}

.hud-item {
  background: rgba(8, 14, 26, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 8px 16px;
  border-radius: 8px;
  backdrop-filter: blur(8px);
}

.hud-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hud-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cyan-beam);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* Hero CTA 按钮组 */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 10px;
  z-index: 10;
}

.btn-primary-pulse {
  background: linear-gradient(135deg, #00f0ff 0%, #0066ff 50%, #8a2be2 100%);
  color: #030509;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 16px 36px;
  border-radius: 12px;
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: none;
  cursor: pointer;
}

.btn-primary-pulse:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.8), 0 0 80px rgba(138, 43, 226, 0.5);
  color: #ffffff;
}

.btn-secondary-dark {
  background: rgba(15, 23, 42, 0.65);
  color: #e2e8f0;
  border: 1px solid rgba(0, 240, 255, 0.3);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary-dark:hover {
  border-color: var(--cyan-beam);
  background: rgba(0, 240, 255, 0.1);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

/* 核心板块公共样式 */
.section-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 90px 24px;
  position: relative;
  z-index: 10;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 54px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 2px;
  color: var(--cyan-beam);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: inline-block;
  background: rgba(0, 240, 255, 0.08);
  padding: 4px 14px;
  border-radius: 4px;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
}

/* 节点延迟与状态板块 (Telemetry Board) */
.node-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.node-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan-beam), var(--blue-beam));
  opacity: 0.6;
}

.node-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.15);
}

.node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.node-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.node-flag {
  font-size: 1.4rem;
}

.node-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.node-type-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: rgba(0, 102, 255, 0.2);
  border: 1px solid rgba(0, 102, 255, 0.4);
  color: #38bdf8;
  padding: 2px 8px;
  border-radius: 4px;
}

.node-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: rgba(3, 6, 12, 0.6);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
  text-align: center;
}

.metric-unit {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.metric-val {
  font-size: 1rem;
  font-weight: 700;
  color: #34d399;
}

.metric-val.latency-val {
  color: var(--cyan-beam);
}

.node-footer {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.signal-bar-group {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 14px;
}

.signal-bar {
  width: 3px;
  background: #34d399;
  border-radius: 2px;
}

/* 核心优势板块 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}

.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px 24px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.adv-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-beam);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 240, 255, 0.2);
}

.adv-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(0, 102, 255, 0.25));
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--cyan-beam);
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.adv-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.adv-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 套餐价格板块 */
.pricing-section {
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 26px;
  margin-bottom: 40px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(16, 28, 54, 0.9) 0%, rgba(10, 18, 36, 0.85) 100%);
  border: 1.5px solid var(--cyan-beam);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.25);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-6px);
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.45);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #00f0ff, #0066ff);
  color: #030509;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 1px;
  padding: 4px 16px;
  border-radius: 999px;
  text-transform: uppercase;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  min-height: 40px;
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan-beam);
}

.amount {
  font-size: 3rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.92rem;
  color: #cbd5e1;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  color: var(--cyan-beam);
  flex-shrink: 0;
}

.plan-btn {
  width: 100%;
  padding: 14px 20px;
  text-align: center;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: block;
}

.plan-btn-featured {
  background: linear-gradient(135deg, var(--cyan-beam), var(--blue-beam));
  color: #030509;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
}

.plan-btn-featured:hover {
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.65);
  color: #ffffff;
}

.plan-btn-default {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: #ffffff;
}

.plan-btn-default:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan-beam);
}

/* 常见问题 (FAQ) 板块 */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--cyan-beam);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.12);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: #f1f5f9;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
  color: var(--cyan-beam);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
  transition: max-height 0.4s ease-in-out;
}

/* 用户评价板块 (Geek Testimonials) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 26px;
  backdrop-filter: blur(12px);
  position: relative;
  transition: all 0.3s ease;
}

.review-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-beam), var(--purple-beam));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #030509;
  font-size: 1.1rem;
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-stars {
  color: #fbbf24;
  margin-bottom: 12px;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.review-content {
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.6;
}

/* 知识库引导横幅卡片 (单独划分，点击直接跳转至独立知识库板块) */
.kb-hub-banner {
  background: radial-gradient(circle at 80% 50%, rgba(0, 102, 255, 0.25) 0%, rgba(10, 18, 32, 0.95) 70%);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 20px;
  padding: 48px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.15);
  backdrop-filter: blur(16px);
  margin-top: 40px;
}

.kb-banner-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.kb-banner-content p {
  color: var(--text-muted);
  max-width: 680px;
  font-size: 0.98rem;
  line-height: 1.6;
}

.kb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.kb-tag-item {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(0, 240, 255, 0.1);
  color: var(--cyan-beam);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 3px 10px;
  border-radius: 999px;
}

/* 页脚 Footer */
.site-footer {
  border-top: 1px solid rgba(0, 240, 255, 0.12);
  background: #020306;
  padding: 60px 24px 30px;
  position: relative;
  z-index: 10;
  font-size: 0.9rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h5 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul li a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--cyan-beam);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #64748b;
  font-size: 0.82rem;
}

/* 知识库独立页面与文章页面专属排版样式 */
.article-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px 100px;
  position: relative;
  z-index: 10;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

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

.article-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 16px;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-body h2 {
  font-size: 1.6rem;
  color: #ffffff;
  margin: 40px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--cyan-beam);
  box-shadow: 0 0 10px var(--cyan-beam);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 1.28rem;
  color: #f1f5f9;
  margin: 28px 0 14px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 16px 0 24px 28px;
}

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

.article-body blockquote {
  border-left: 4px solid var(--cyan-beam);
  background: rgba(0, 240, 255, 0.05);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-style: italic;
  color: #e2e8f0;
}

.article-body pre {
  background: #060a12;
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 8px;
  padding: 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #38bdf8;
  margin: 20px 0;
}

.article-body code {
  font-family: var(--font-mono);
  background: rgba(0, 240, 255, 0.1);
  color: var(--cyan-beam);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-cta-box {
  background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.2) 0%, rgba(6, 12, 22, 0.9) 100%);
  border: 1px solid var(--cyan-beam);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
  margin: 50px 0 20px;
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.2);
}

/* 响应式调整 */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .collider-simulator-container {
    height: 400px;
  }
  .simulator-overlay-control {
    width: 220px;
    height: 220px;
  }
  .kb-hub-banner {
    flex-direction: column;
    text-align: center;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .hud-telemetry {
    gap: 10px;
  }
  .hud-item {
    padding: 6px 10px;
  }
  .hud-value {
    font-size: 1rem;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group a {
    width: 100%;
    justify-content: center;
  }
}