/* ==========================================================================
   猫七七机场官网 (neko77.cfd) - 2026 赛博霓虹极客暗夜 CSS 样式表
   专属高辨识度猫耳科技、低延迟物理专网、玻璃拟态与流光金属质感
   ========================================================================== */

:root {
  /* 品牌核心配色：赛博暗夜黑 + 猫耳霓虹粉紫 + 极光电光青 + 尊贵金 */
  --bg-deep: #070913;
  --bg-surface: #0c1020;
  --bg-card: rgba(14, 20, 38, 0.75);
  --bg-card-hover: rgba(22, 32, 58, 0.9);
  --bg-card-border: rgba(255, 255, 255, 0.08);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-neon: rgba(255, 46, 147, 0.35);
  --border-cyan: rgba(0, 245, 255, 0.35);
  --border-gold: rgba(245, 158, 11, 0.4);

  --text-pure: #ffffff;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --neon-pink: #ff2e93;
  --neon-purple: #a855f7;
  --neon-cyan: #00f5ff;
  --neon-blue: #38bdf8;
  --accent-gold: #f59e0b;
  --accent-gold-bright: #fbbf24;
  --accent-green: #10b981;

  /* 渐变系列 */
  --gradient-neko: linear-gradient(135deg, #ff2e93 0%, #a855f7 50%, #00f5ff 100%);
  --gradient-gold: linear-gradient(135deg, #fef08a 0%, #fbbf24 45%, #f59e0b 75%, #d97706 100%);
  --gradient-cyan: linear-gradient(135deg, #00f5ff 0%, #38bdf8 100%);
  --gradient-card: linear-gradient(180deg, rgba(20, 29, 54, 0.75) 0%, rgba(10, 16, 32, 0.85) 100%);
  --gradient-primary-btn: linear-gradient(135deg, #ff2e93 0%, #a855f7 55%, #6366f1 100%);
  --gradient-gold-btn: linear-gradient(135deg, #f59e0b 0%, #d97706 60%, #b45309 100%);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow-neko: 0 0 35px -5px rgba(255, 46, 147, 0.35);
  --shadow-glow-cyan: 0 0 35px -5px rgba(0, 245, 255, 0.3);
  --shadow-glow-gold: 0 0 35px -5px rgba(245, 158, 11, 0.35);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  line-height: 1.68;
  overflow-x: hidden;
  background-color: var(--bg-deep);
  background-image: 
    linear-gradient(rgba(255, 46, 147, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.02) 1px, transparent 1px);
  background-size: 54px 54px, 54px 54px;
  position: relative;
}

/* 霓虹极光柔焦背景光晕 */
body::before {
  content: "";
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 700px;
  background: radial-gradient(circle, rgba(255, 46, 147, 0.1) 0%, rgba(168, 85, 247, 0.08) 35%, rgba(0, 245, 255, 0.06) 65%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  bottom: -150px;
  right: -150px;
  width: 850px;
  height: 650px;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.07) 0%, rgba(245, 158, 11, 0.05) 50%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul {
  list-style: none;
}

img, svg {
  vertical-align: middle;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section-padding {
  padding: 90px 0;
}

/* 渐变字体工具类 */
.text-gradient {
  background: var(--gradient-neko);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gold-text {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cyan-gradient {
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 按钮规范 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  background: var(--gradient-primary-btn);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.96rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255, 46, 147, 0.45);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 46, 147, 0.65), 0 0 15px rgba(168, 85, 247, 0.5);
  background: linear-gradient(135deg, #ff47a1 0%, #b86bf8 55%, #7c7eff 100%);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  background: var(--gradient-gold-btn);
  color: #070913;
  font-weight: 800;
  font-size: 0.96rem;
  border: 1px solid rgba(254, 240, 138, 0.6);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
  transition: all 0.3s ease;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.6);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 60%, #d97706 100%);
}

/* 脉冲绿色在线点 */
.pulse-dot-green {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulseLive 2s infinite;
}

@keyframes pulseLive {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.15); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* 状态药丸标签 */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Header & 胶囊式岛屿导航
   ========================================================================== */
.header-wrapper {
  position: fixed;
  top: 18px;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.header-island {
  width: 100%;
  max-width: 1200px;
  background: rgba(12, 16, 32, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  padding: 8px 18px 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 46, 147, 0.1);
  transition: all 0.3s ease;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.logo-meta {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(255, 46, 147, 0.15);
  border: 1px solid rgba(255, 46, 147, 0.4);
  color: #ff52a8;
}

.logo-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-menu a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.nav-menu a:hover {
  color: #ffffff;
}

.nav-menu a:hover::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-neko);
  border-radius: 2px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  font-size: 1.4rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* 移动端菜单抽屉 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 80px;
  left: 20px;
  right: 20px;
  background: rgba(12, 16, 32, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ==========================================================================
   Hero 首屏分屏架构
   ========================================================================== */
.hero-wrapper {
  padding-top: 150px;
  padding-bottom: 70px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 46, 147, 0.08);
  border: 1px solid rgba(255, 46, 147, 0.25);
  color: #ff70b8;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -1px;
  color: #ffffff;
}

.hero-desc {
  font-size: 1.06rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.hero-desc strong {
  color: #ffffff;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.hero-clients {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.hero-clients-label {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 600;
}

.client-chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

/* 实时遥测终端控制台 */
.telemetry-terminal {
  background: rgba(10, 14, 28, 0.85);
  border: 1px solid rgba(255, 46, 147, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.8), var(--shadow-glow-neko);
  position: relative;
  overflow: hidden;
}

.telemetry-terminal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-neko);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 18px;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.tdot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.tdot.red { background: #ef4444; }
.tdot.yellow { background: #f59e0b; }
.tdot.green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.terminal-telemetry-body {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.86rem;
}

.telemetry-key {
  color: var(--text-muted);
}

.telemetry-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
}

.telemetry-val.highlight-green {
  color: #34d399;
}

.telemetry-val.highlight-cyan {
  color: var(--neon-cyan);
}

.telemetry-val.highlight-pink {
  color: var(--neon-pink);
}

.telemetry-val.highlight-gold {
  color: var(--accent-gold-bright);
}

.live-wave-bar {
  margin-top: 18px;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.live-wave-fill {
  height: 100%;
  width: 88%;
  background: var(--gradient-neko);
  border-radius: var(--radius-pill);
  animation: pulseBar 3s ease-in-out infinite alternate;
}

@keyframes pulseBar {
  0% { width: 78%; }
  50% { width: 94%; }
  100% { width: 85%; }
}

/* ==========================================================================
   全局 KPI 极速看板
   ========================================================================== */
.kpi-wrapper {
  margin-top: 50px;
  background: rgba(14, 20, 38, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-subtle);
}

.kpi-item {
  text-align: center;
  position: relative;
}

.kpi-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.kpi-num {
  font-size: 2.1rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 6px;
}

.kpi-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   章节标题组件
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--neon-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   节点动态测速雷达网格
   ========================================================================== */
.radar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.radar-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.radar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 46, 147, 0.4);
  box-shadow: 0 16px 35px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 46, 147, 0.15);
}

.radar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.radar-location {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radar-flag {
  font-size: 1.8rem;
  line-height: 1;
}

.radar-name {
  font-size: 1.02rem;
  font-weight: 700;
  color: #ffffff;
}

.radar-tag {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.radar-ping-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.radar-ping-val {
  font-size: 2.2rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #34d399;
}

.radar-ping-unit {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.radar-bar {
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.radar-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #00f5ff);
  border-radius: var(--radius-pill);
}

.radar-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

/* ==========================================================================
   三大硬核中枢架构 (Pillars)
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-neko);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 255, 0.3);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7), var(--shadow-glow-cyan);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(255, 46, 147, 0.12);
  border: 1px solid rgba(255, 46, 147, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
}

.pillar-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.35;
}

.pillar-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.pillar-card strong {
  color: #ffffff;
}

/* ==========================================================================
   硬核技术指标对决 (Benchmark)
   ========================================================================== */
.spec-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.spec-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--bg-card-border);
  backdrop-filter: blur(14px);
}

.spec-card.neko-spec {
  background: linear-gradient(180deg, rgba(255, 46, 147, 0.06) 0%, rgba(12, 18, 36, 0.9) 100%);
  border-color: rgba(255, 46, 147, 0.3);
  box-shadow: 0 16px 40px -15px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 46, 147, 0.12);
}

.spec-card.other-spec {
  background: rgba(14, 20, 34, 0.4);
  border-color: rgba(255, 255, 255, 0.05);
}

.spec-badge {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.spec-badge.good {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.spec-badge.bad {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.spec-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.spec-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.spec-list li strong {
  color: #ffffff;
}

/* ==========================================================================
   套餐价格矩阵 (#pricing)
   ========================================================================== */
.pricing-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 46, 147, 0.4);
  box-shadow: 0 20px 45px -12px rgba(0, 0, 0, 0.8), 0 0 25px rgba(255, 46, 147, 0.15);
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(255, 46, 147, 0.08) 0%, rgba(14, 20, 40, 0.95) 100%);
  border: 1.5px solid var(--neon-pink);
  box-shadow: 0 20px 45px -12px rgba(0, 0, 0, 0.85), var(--shadow-glow-neko);
  transform: scale(1.02);
}

.price-card.featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary-btn);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 15px rgba(255, 46, 147, 0.5);
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
}

.plan-sub {
  font-size: 0.82rem;
  color: var(--text-dim);
  min-height: 38px;
  line-height: 1.4;
  margin-bottom: 16px;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.price-display .currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.price-display .amount {
  font-size: 2.8rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #ffffff;
  line-height: 1;
}

.price-display .cycle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.equivalent-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-gold-bright);
  margin-bottom: 20px;
}

.plan-perks {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 18px;
}

.plan-perks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-perks li svg {
  width: 16px;
  height: 16px;
  color: #34d399;
  flex-shrink: 0;
}

/* ==========================================================================
   真实用户口碑评价 (#testimonials)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 255, 0.3);
  box-shadow: 0 16px 35px -10px rgba(0, 0, 0, 0.7);
}

.test-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.test-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff2e93, #00f5ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #ffffff;
  flex-shrink: 0;
}

.test-meta h4 {
  font-size: 1.02rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.test-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.test-role {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.test-stars {
  color: #f59e0b;
  font-size: 0.95rem;
  letter-spacing: 2px;
}

.test-content {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.test-plan-tag {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 10px;
}

/* ==========================================================================
   常见问题解答 FAQ (#faq)
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-item.active {
  border-color: rgba(255, 46, 147, 0.35);
  box-shadow: 0 8px 25px -8px rgba(0, 0, 0, 0.6);
}

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  gap: 16px;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--text-dim);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--neon-pink);
}

.faq-body {
  padding: 0 24px 22px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  display: none;
}

.faq-item.active .faq-body {
  display: block;
}

/* ==========================================================================
   出海技术专栏 (#magazine)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 46, 147, 0.35);
  box-shadow: 0 16px 35px -10px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 46, 147, 0.12);
}

.article-card-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
  color: var(--neon-cyan);
  width: fit-content;
}

.article-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.45;
}

.article-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.68;
}

.article-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

.article-card-link {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--neon-pink);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-card-link:hover {
  color: #ffffff;
  gap: 8px;
}

/* ==========================================================================
   文章详情页排版
   ========================================================================== */
.breadcrumb-nav {
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

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

.breadcrumb-nav a:hover {
  color: var(--neon-pink);
}

.article-header {
  margin-bottom: 36px;
}

.article-main-title {
  font-size: 2.3rem;
  font-weight: 900;
  line-height: 1.3;
  color: #ffffff;
  margin: 14px 0 16px 0;
}

.article-meta-info {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.article-container-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-subtle);
  margin-bottom: 40px;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #d1d5db;
}

.article-content p {
  margin-bottom: 22px;
}

.article-content strong {
  color: #ffffff;
  font-weight: 700;
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  margin: 44px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.article-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 60px;
  height: 2px;
  background: var(--gradient-neko);
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #f3f4f6;
  margin: 30px 0 14px 0;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-callout-new {
  background: rgba(255, 46, 147, 0.06);
  border-left: 4px solid var(--neon-pink);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 28px 0;
  color: var(--text-main);
}

.article-callout-new strong {
  color: var(--neon-pink);
}

.article-bottom-nav {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.article-bottom-nav h4 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 16px;
}

.article-bottom-nav ul {
  list-style: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-bottom-nav ul li a {
  color: var(--neon-cyan);
  font-weight: 600;
}

.article-bottom-nav ul li a:hover {
  color: var(--neon-pink);
  text-decoration: underline;
}

/* ==========================================================================
   页面底部 & 页脚 PBN 权重输血管道 (核心任务 2)
   ========================================================================== */
.site-footer {
  background: #04060d;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 70px 0 35px 0;
  position: relative;
  z-index: 10;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .logo-title {
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 380px;
}

.footer-column h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column ul li a {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-column ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* 【核心任务 2：页脚 PBN 权重输血管道专属美化】 */
.footer-friend-links {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.02);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-friend-links .label {
  color: var(--text-dim);
}

.footer-friend-links a {
  color: var(--text-muted);
  font-size: 0.78rem;
  transition: color 0.2s ease;
}

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

.footer-friend-links span {
  color: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   响应式媒体查询 (Mobile Responsiveness)
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .pricing-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-card.featured {
    transform: none;
  }
  .kpi-wrapper {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .kpi-item:not(:last-child)::after {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .radar-grid {
    grid-template-columns: 1fr;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .spec-cards-grid {
    grid-template-columns: 1fr;
  }
  .pricing-matrix {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-container-card {
    padding: 24px;
  }
  .article-main-title {
    font-size: 1.7rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }
  .kpi-wrapper {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions a {
    width: 100%;
  }
}

/* ==========================================================================
   客户端下载弹窗 (Modal)
   ========================================================================== */
.client-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.client-modal-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: linear-gradient(180deg, rgba(20, 29, 54, 0.98) 0%, rgba(10, 16, 32, 0.98) 100%);
  border: 1px solid var(--border-neon);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 35px -5px rgba(255, 46, 147, 0.3);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transform: scale(0.92) translateY(15px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.client-modal-overlay.active .client-modal-card {
  transform: scale(1) translateY(0);
}

.client-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.client-modal-close:hover,
.client-modal-close:focus {
  background: rgba(255, 46, 147, 0.2);
  color: #fff;
  border-color: var(--neon-pink);
  outline: none;
}

.client-modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.client-modal-header .modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 46, 147, 0.12);
  border: 1px solid rgba(255, 46, 147, 0.3);
  color: var(--neon-pink);
  margin-bottom: 12px;
  font-weight: 600;
}

.client-modal-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.client-modal-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.client-modal-buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.client-download-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.client-download-btn.android {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.25) 100%);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.client-download-btn.android:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25) 0%, rgba(5, 150, 105, 0.4) 100%);
  border-color: #10b981;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.35);
  transform: translateY(-2px);
}

.client-download-btn.ios {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(14, 165, 233, 0.25) 100%);
  border-color: rgba(56, 189, 248, 0.4);
  color: #38bdf8;
}

.client-download-btn.ios:hover {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25) 0%, rgba(14, 165, 233, 0.4) 100%);
  border-color: #0284c7;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}

.btn-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.btn-texts {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.btn-texts .main-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.btn-texts .sub-text {
  font-size: 0.78rem;
  opacity: 0.85;
}

.btn-arrow {
  font-size: 1.2rem;
  transition: transform 0.2s ease;
}

.client-download-btn:hover .btn-arrow {
  transform: translateX(4px);
}

.client-modal-tip {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.6;
  border-top: 1px dashed var(--border-subtle);
  padding-top: 14px;
}

