/* ==========================================================================
   Mitce云机场官网 (mitcejc.sbs) - 2026 半导体晶片与硅晶圆 (Silicon Chip / Wafer) 旗舰 CSS 样式表
   专属微晶硅基底、纳米电路矩阵导线与光刻金蚀刻质感
   ========================================================================== */

:root {
  /* 半导体晶片核心色盘：微晶硅底板 + 镀金引脚/金线键合 + 光刻极光青 + 晶圆薄膜干涉彩光 */
  --bg-silicon: #06080e;
  --bg-wafer-surface: #0a0e18;
  --bg-chip-die: rgba(12, 17, 29, 0.78);
  --bg-chip-die-hover: rgba(18, 26, 44, 0.92);

  --border-silicon: rgba(255, 255, 255, 0.07);
  --border-gold: rgba(245, 158, 11, 0.4);
  --border-gold-subtle: rgba(245, 158, 11, 0.18);
  --border-cyan: rgba(0, 242, 254, 0.4);
  --border-cyan-subtle: rgba(0, 242, 254, 0.16);

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

  /* 芯片专属金属色彩 */
  --gold-primary: #f59e0b;
  --gold-bright: #fbbf24;
  --gold-deep: #d97706;
  --copper-accent: #ea580c;
  --litho-cyan: #00f2fe;
  --litho-blue: #38bdf8;
  --wafer-violet: #8b5cf6;
  --die-pass-green: #10b981;

  /* 晶片渐变系统 */
  --gradient-gold: linear-gradient(135deg, #fef08a 0%, #fbbf24 45%, #f59e0b 75%, #d97706 100%);
  --gradient-chip: linear-gradient(135deg, #00f2fe 0%, #38bdf8 50%, #f59e0b 100%);
  --gradient-wafer: linear-gradient(135deg, #00f2fe 0%, #8b5cf6 50%, #f59e0b 100%);
  --gradient-card: linear-gradient(180deg, rgba(20, 29, 48, 0.75) 0%, rgba(10, 15, 26, 0.85) 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-chip: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow-gold: 0 0 35px -5px rgba(245, 158, 11, 0.35);
  --shadow-glow-cyan: 0 0 35px -5px rgba(0, 242, 254, 0.32);
}

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

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

/* 全域背景：微纳米芯片电路导线网格 (Silicon Chip Circuit Matrix) + 晶圆薄膜折射光晕 */
body {
  min-height: 100vh;
  line-height: 1.68;
  overflow-x: hidden;
  background-color: var(--bg-silicon);
  background-image: 
    linear-gradient(rgba(245, 158, 11, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.02) 1px, transparent 1px);
  background-size: 54px 54px, 54px 54px;
  position: relative;
}

/* 晶圆薄膜干涉彩虹光晕 (Silicon Wafer Thin-Film Interference Glow) */
body::before {
  content: "";
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1300px;
  height: 750px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.09) 0%, rgba(139, 92, 246, 0.07) 35%, rgba(245, 158, 11, 0.06) 60%, 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(245, 158, 11, 0.06) 0%, rgba(0, 242, 254, 0.04) 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: 100px 0;
}

/* 晶片渐变文字类 */
.text-gradient {
  background: var(--gradient-chip);
  -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: linear-gradient(135deg, #00f2fe 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 晶片镀金引脚触点按钮 (Gold-Plated Die Pad Button) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  background: var(--gradient-gold-btn);
  color: #06080e;
  font-weight: 800;
  font-size: 0.98rem;
  border: 1px solid rgba(254, 240, 138, 0.5);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 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(245, 158, 11, 0.65), 0 0 15px rgba(251, 191, 36, 0.5);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 60%, #d97706 100%);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid var(--border-cyan-subtle);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(0, 242, 254, 0.08);
  border-color: rgba(0, 242, 254, 0.35);
  transform: translateY(-2px);
}

/* ==========================================================================
   全新晶片悬浮岛屿式胶囊导航 (Silicon Die Floating Navbar)
   ========================================================================== */
.header-wrapper {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.header-island {
  width: 100%;
  max-width: 1220px;
  background: rgba(10, 14, 24, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(245, 158, 11, 0.22);
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.04);
  transition: all 0.3s ease;
}

.header-island.scrolled {
  background: rgba(8, 11, 20, 0.95);
  border-color: var(--gold-primary);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.9), var(--shadow-glow-gold);
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

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

.logo-title {
  font-size: 1.12rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -0.3px;
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  color: #10b981;
}

.pulse-dot-green {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); 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); }
}

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

.nav-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-menu a:hover {
  color: var(--gold-bright);
}

.nav-cta {
  padding: 9px 22px;
  font-size: 0.88rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* 移动端菜单抽屉 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 80px;
  left: 20px;
  right: 20px;
  background: rgba(10, 14, 24, 0.98);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.mobile-drawer.active {
  display: flex;
}

.mobile-drawer a {
  font-size: 1.05rem;
  font-weight: 600;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Hero 首屏分屏架构 (Silicon Chip Split Hero)
   ========================================================================== */
.hero-wrapper {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fde68a;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -1px;
  color: #ffffff;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.hero-desc strong {
  color: #fef08a;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-clients {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

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

.client-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(245, 158, 11, 0.15);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: #cbd5e1;
  font-family: var(--font-mono);
}

/* ==========================================================================
   半导体晶片遥测控制台 (Silicon Core Telemetry Console)
   ========================================================================== */
.telemetry-terminal {
  background: #080c14;
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow-gold);
  position: relative;
  overflow: hidden;
}

/* 芯片对齐缺口与金丝触点装饰 (IC Die Alignment Notches) */
.telemetry-terminal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #00f2fe, #f59e0b, #00f2fe);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.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: 0.82rem;
  color: var(--gold-bright);
}

.terminal-telemetry-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.08);
}

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

.telemetry-val {
  font-weight: 700;
  color: #fff;
}

.telemetry-val.highlight-green {
  color: #10b981;
}

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

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

.live-wave-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 10px;
  position: relative;
}

.live-wave-fill {
  width: 88%;
  height: 100%;
  background: linear-gradient(90deg, #00f2fe, #f59e0b, #10b981);
  border-radius: 4px;
  animation: pulseBar 3s ease-in-out infinite alternate;
}

@keyframes pulseBar {
  0% { width: 78%; }
  100% { width: 96%; }
}

/* ==========================================================================
   全局 KPI 极速看板 (KPI Stats Bar)
   ========================================================================== */
.kpi-wrapper {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.kpi-item {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  text-align: center;
  transition: transform 0.25s ease;
}

.kpi-item:hover {
  transform: translateY(-3px);
  border-color: var(--gold-primary);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.2);
}

.kpi-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.5px;
  font-family: var(--font-mono);
}

.kpi-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ==========================================================================
   分区标题通用组件
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--gold-bright);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

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

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   测速雷达与延迟看板 (Latency Radar Matrix)
   ========================================================================== */
.radar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.radar-card {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.radar-card:hover {
  border-color: var(--gold-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-gold);
}

.radar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

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

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

.radar-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.radar-tag {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.radar-ping-box {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 14px 0 10px;
}

.radar-ping-val {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--litho-cyan);
  font-family: var(--font-mono);
}

.radar-ping-unit {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.radar-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 14px;
}

.radar-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #00f2fe, #f59e0b);
}

.radar-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

/* ==========================================================================
   三大核心硬核中枢 (Tri-Core Tech Pillars)
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: all 0.3s ease;
  position: relative;
}

.pillar-card:hover {
  border-color: var(--litho-cyan);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow-cyan);
}

.pillar-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

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

.pillar-card p {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   硬核技术指标卡片对决 (Side-by-Side Spec Comparison)
   ========================================================================== */
.spec-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.spec-card {
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.spec-card.mitce-spec {
  background: linear-gradient(180deg, rgba(20, 28, 46, 0.9) 0%, rgba(10, 14, 24, 0.96) 100%);
  border: 1.5px solid var(--gold-primary);
  box-shadow: var(--shadow-glow-gold);
  position: relative;
}

.spec-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
}

.spec-badge.good {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.spec-badge.bad {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.spec-card.other-spec {
  background: rgba(14, 18, 28, 0.4);
  border: 1px dashed rgba(255, 255, 255, 0.12);
}

.spec-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}

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

.spec-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.98rem;
}

.spec-list li .icon {
  flex-shrink: 0;
  margin-top: 3px;
  font-size: 1.1rem;
}

.spec-card.mitce-spec .spec-list li {
  color: #e2e8f0;
}

.spec-card.other-spec .spec-list li {
  color: var(--text-dim);
}

/* ==========================================================================
   套餐矩阵 (Pricing Matrix)
   ========================================================================== */
.pricing-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.price-card {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  position: relative;
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-chip);
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(32, 42, 68, 0.88) 0%, rgba(14, 19, 32, 0.96) 100%);
  border: 1.5px solid var(--gold-bright);
  box-shadow: var(--shadow-glow-gold);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold-btn);
  color: #06080e;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
  white-space: nowrap;
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.plan-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 22px;
  min-height: 40px;
}

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

.currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-mono);
  letter-spacing: -1px;
}

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

.equivalent-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: #fef08a;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-weight: 600;
}

.plan-perks {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.plan-perks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.plan-perks li svg {
  width: 16px;
  height: 16px;
  color: var(--gold-bright);
  flex-shrink: 0;
}

/* ==========================================================================
   真实用户口碑反馈 (Customer Wall of Love)
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-box {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  transition: transform 0.25s ease;
}

.review-box:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.35);
}

.review-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.review-quote {
  font-size: 0.96rem;
  line-height: 1.75;
  color: #cbd5e1;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #06080e;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.user-meta-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

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

/* ==========================================================================
   常见问题手风琴 (FAQ Accordion)
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-card {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-card[open] {
  border-color: var(--gold-primary);
}

.faq-card summary {
  padding: 22px 26px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

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

.faq-card summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--gold-bright);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-card[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-body {
  padding: 0 26px 22px;
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 16px;
}

/* ==========================================================================
   出海专栏门户 (Tech Magazine Editorial Portal)
   ========================================================================== */
.articles-magazine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.article-card-new {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.article-card-new:hover {
  border-color: var(--gold-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-gold);
}

.article-card-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.12);
  color: #fde68a;
  border: 1px solid rgba(245, 158, 11, 0.25);
  margin-bottom: 14px;
}

.article-card-title {
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.article-card-new:hover .article-card-title {
  color: var(--gold-bright);
}

.article-card-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 14px;
}

.article-card-link {
  color: var(--gold-bright);
  font-weight: 600;
}

/* ==========================================================================
   页面底部 (Footer) & PBN 输血管道 (核心任务 2)
   ========================================================================== */
.site-footer {
  background: #04060a;
  border-top: 1px solid rgba(245, 158, 11, 0.2);
  padding: 80px 0 35px;
  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: 1.3rem;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 330px;
}

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

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

.footer-column a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-column a:hover {
  color: var(--gold-bright);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
  gap: 16px;
}

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

/* 【核心任务 2：页脚 PBN 友情链接区 - 深度融合 & 干净 dofollow】 */
.footer-friend-links {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

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

.footer-friend-links a {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-friend-links a:hover {
  color: var(--gold-bright);
  text-decoration: underline;
}

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

/* ==========================================================================
   长文正文页面专有排版样式
   ========================================================================== */
.article-header {
  margin-top: 120px;
  margin-bottom: 40px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.breadcrumb-nav a:hover {
  color: var(--gold-bright);
}

.article-main-title {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.28;
  color: #fff;
  margin-bottom: 20px;
}

.article-meta-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-silicon);
  flex-wrap: wrap;
}

.article-container-card {
  background: var(--bg-chip-die);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  backdrop-filter: blur(14px);
  margin-bottom: 60px;
}

.article-content {
  font-size: 1.06rem;
  line-height: 1.88;
  color: #cbd5e1;
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #fff;
  margin: 42px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f1f5f9;
  margin: 26px 0 14px;
}

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

.article-content ul, .article-content ol {
  margin: 16px 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-content li {
  color: #94a3b8;
}

.article-content li strong {
  color: #fff;
}

.article-callout-new {
  background: rgba(245, 158, 11, 0.06);
  border-left: 4px solid var(--gold-primary);
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
  color: #e2e8f0;
}

.article-cta-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(217, 119, 6, 0.15) 100%);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  text-align: center;
  margin: 44px 0;
  box-shadow: var(--shadow-glow-gold);
}

.article-cta-banner h3 {
  font-size: 1.55rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.article-cta-banner p {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 24px;
}

.article-interlinks-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  margin-top: 40px;
}

.article-interlinks-box h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.article-interlinks-box ul {
  list-style: none;
  margin: 0;
  gap: 10px;
}

.article-interlinks-box a {
  color: var(--gold-bright);
  font-size: 0.95rem;
}

.article-interlinks-box a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   全平台移动端自适应 (Responsive Breakpoints)
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .pricing-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .radar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .articles-magazine-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .nav-menu, .header-island .status-pill, .header-island .nav-cta {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.6rem;
  }
  .kpi-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  .spec-cards-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .articles-magazine-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero-wrapper {
    padding-top: 110px;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .pricing-matrix {
    grid-template-columns: 1fr;
  }
  .radar-grid {
    grid-template-columns: 1fr;
  }
  .kpi-wrapper {
    grid-template-columns: 1fr;
  }
  .article-main-title {
    font-size: 1.85rem;
  }
  .article-container-card {
    padding: 24px 18px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   客户端下载引导弹窗 (Download Modal) - 适配半导体微晶硅风格
   ========================================================================== */
.download-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 14, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  padding: 16px;
}

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

.download-modal-card {
  background: var(--bg-wafer-surface);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow-gold);
  max-width: 500px;
  width: 100%;
  padding: 32px 28px;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s ease;
  overflow: hidden;
}

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

.download-modal-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-chip);
}

.download-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-silicon);
  background: var(--bg-chip-die);
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.download-modal-close:hover {
  color: var(--text-pure);
  border-color: var(--gold-primary);
  background: var(--bg-chip-die-hover);
}

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

.download-modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--border-gold);
  color: var(--gold-bright);
  margin-bottom: 14px;
}

.download-modal-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 8px;
  line-height: 1.3;
}

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

.download-modal-options {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

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

.download-platform-btn:hover {
  background: var(--bg-chip-die-hover);
  border-color: var(--gold-primary);
  color: var(--text-pure);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.2);
}

.download-platform-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.download-platform-info svg {
  width: 28px;
  height: 28px;
  color: var(--litho-cyan);
}

.download-platform-btn:hover .download-platform-info svg {
  color: var(--gold-bright);
}

.download-platform-text h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.download-platform-text p {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.download-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.download-platform-btn:hover .download-arrow {
  color: var(--gold-primary);
  transform: translateX(4px);
}

.download-modal-footer {
  border-top: 1px solid var(--border-silicon);
  padding-top: 16px;
  text-align: center;
}

.download-modal-tips {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}