/* =====================================================
   智引 GeoLead — 空间资产 GEO 引擎
   设计语言：暗色控制台 · 数据可视 · 工业实用
   ===================================================== */

:root {
  --c-bg: #0a0a0f;
  --c-bg-2: #0f0f17;
  --c-bg-3: #14141c;
  --c-border: #1f1f2e;
  --c-border-2: #2a2a3d;
  --c-text: #e8e8f0;
  --c-text-2: #a0a0b0;
  --c-text-3: #6b6b7a;
  --c-text-dim: #4a4a5a;
  --c-green: #00ff88;
  --c-green-dim: #00cc6a;
  --c-orange: #ff6b35;
  --c-yellow: #ffcc00;
  --c-red: #ff4757;
  --c-blue: #4dabf7;

  --font-display: 'Space Grotesk', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --max-w: 1280px;
  --gutter: clamp(20px, 4vw, 64px);
  --section-py: clamp(80px, 12vw, 160px);

  --easing: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }
*::selection { background: var(--c-green); color: var(--c-bg); }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ====== 背景层 ====== */
.grain-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: overlay;
}
.grid-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* ====== 通用工具类 ====== */
.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }
.accent-green { color: var(--c-green); }
.accent-orange { color: var(--c-orange); }
.text-white { color: #fff; }
.dim { color: var(--c-text-3); }

em { font-style: normal; color: var(--c-text); }

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

/* ====== 顶部状态条 ====== */
.status-bar {
  position: relative; z-index: 10;
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-border);
  font-size: 11px;
  color: var(--c-text-2);
}
.status-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 8px var(--gutter);
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
}
.status-left, .status-right { display: flex; align-items: center; gap: 12px; }
.status-right span:not(:last-child)::after { content: '·'; margin-left: 12px; color: var(--c-text-dim); }
.dim { color: var(--c-text-3); }

.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; }
.dot-green { background: var(--c-green); box-shadow: 0 0 8px var(--c-green); animation: pulse 2s ease-in-out infinite; }
.dot-orange { background: var(--c-orange); box-shadow: 0 0 8px var(--c-orange); }
.dot-yellow { background: var(--c-yellow); box-shadow: 0 0 8px var(--c-yellow); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ====== 导航 ====== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.logo { display: flex; align-items: center; gap: 12px; color: var(--c-green); }
.logo-mark { width: 28px; height: 28px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 0.05em; }
.logo-en { font-size: 10px; color: var(--c-text-2); margin-top: 2px; letter-spacing: 0.15em; }
.nav-menu { display: flex; gap: 36px; }
.nav-menu a {
  font-size: 14px;
  color: var(--c-text-2);
  transition: color 0.2s;
  position: relative;
}
.nav-menu a:hover { color: var(--c-green); }

/* ====== 按钮 ====== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s var(--easing);
  text-transform: none;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: var(--c-green);
  color: var(--c-bg);
  border-color: var(--c-green);
  font-weight: 700;
}
.btn-primary:hover {
  background: #00ffa0;
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.4);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border-2);
}
.btn-secondary:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-border-2);
  padding: 8px 18px;
  font-size: 12px;
}
.btn-ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}
.btn-block { width: 100%; }

/* ====== HERO ====== */
.hero {
  position: relative; z-index: 2;
  padding: 80px 0 0;
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter) 100px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--c-border-2);
  background: var(--c-bg-3);
  font-size: 11px;
  color: var(--c-text-2);
  margin-bottom: 28px;
  letter-spacing: 0.1em;
}
.badge-dot { width: 6px; height: 6px; background: var(--c-green); border-radius: 50%; box-shadow: 0 0 8px var(--c-green); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, 72px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
  color: #fff;
}
.hero-title em { font-style: normal; color: var(--c-text); }
.hero-title em::before, .hero-title em::after { content: ' '; }

.hero-sub {
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.7;
  color: var(--c-text-2);
  max-width: 580px;
  margin: 0 0 40px;
}

.hero-cta { display: flex; gap: 14px; margin-bottom: 64px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.stat-unit { font-size: 0.5em; color: var(--c-text-2); margin-left: 4px; }
.stat-label { font-size: 12px; color: var(--c-text-2); letter-spacing: 0.05em; }

/* ====== 右侧终端仪表盘 ====== */
.hero-right { position: relative; }
.terminal {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border-2);
  box-shadow:
    0 0 0 1px rgba(0, 255, 136, 0.05),
    0 40px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(0, 255, 136, 0.08);
  position: relative;
}
.terminal::before {
  content: '';
  position: absolute; inset: -1px;
  background: linear-gradient(135deg, var(--c-green), transparent 40%, transparent 60%, var(--c-orange));
  opacity: 0.3;
  z-index: -1;
  filter: blur(1px);
}
.terminal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-3);
}
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--c-border-2); }
.terminal-dots span:nth-child(1) { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #febc2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }
.terminal-title { font-size: 11px; color: var(--c-text-2); letter-spacing: 0.1em; }
.terminal-actions { font-size: 10px; color: var(--c-green); }

.terminal-body { padding: 24px; }

.dash-row { margin-bottom: 18px; }
.dash-label { font-size: 11px; color: var(--c-text-2); margin-bottom: 8px; letter-spacing: 0.08em; }
.dash-bar {
  position: relative;
  height: 6px;
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
}
.dash-bar-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  background: var(--c-green);
  box-shadow: 0 0 12px var(--c-green);
  animation: barFill 1.4s var(--easing) backwards;
}
.dash-bar-orange { background: var(--c-orange); box-shadow: 0 0 12px var(--c-orange); }
@keyframes barFill {
  from { width: 0 !important; }
}
.dash-bar-num {
  position: absolute; right: 0; top: -22px;
  font-size: 12px; color: var(--c-green);
}

.dash-divider { height: 1px; background: var(--c-border); margin: 24px 0; }

.platform-list { display: flex; flex-direction: column; gap: 10px; }
.platform-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px;
  background: var(--c-bg-3);
  border-left: 2px solid var(--c-green);
  font-size: 12px;
}
.platform-name { color: var(--c-text); font-weight: 500; }
.platform-status { display: flex; align-items: center; gap: 8px; }
.platform-status .mono { color: var(--c-green); font-size: 12px; }

.trend-chart { margin-top: 4px; }
.chart-label { font-size: 10px; color: var(--c-text-2); margin-bottom: 8px; letter-spacing: 0.15em; }
.trend-svg { width: 100%; height: 60px; display: block; }

.float-badge {
  position: absolute;
  background: var(--c-bg-3);
  border: 1px solid var(--c-border-2);
  padding: 8px 14px;
  font-size: 11px;
  color: var(--c-text);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.float-badge-1 { top: -16px; right: -10px; animation: floatY 3s ease-in-out infinite; }
.float-badge-2 { bottom: 30px; left: -30px; animation: floatY 4s ease-in-out infinite 0.5s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ====== 跑马灯 ====== */
.marquee {
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-2);
  overflow: hidden;
  padding: 18px 0;
  position: relative;
}
.marquee::before, .marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--c-bg-2), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--c-bg-2), transparent); }
.marquee-track {
  display: flex; align-items: center; gap: 32px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.marquee-item { font-size: 13px; color: var(--c-text-2); font-weight: 500; letter-spacing: 0.05em; }
.marquee-sep { color: var(--c-green); font-size: 8px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ====== 通用 Section ====== */
.section { position: relative; z-index: 2; padding: var(--section-py) 0; }
.section-alt { background: var(--c-bg-2); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.section-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }

.section-head { margin-bottom: 72px; max-width: 800px; }
.section-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--c-green);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  padding: 4px 12px;
  border: 1px solid rgba(0, 255, 136, 0.3);
  background: rgba(0, 255, 136, 0.05);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 20px;
}
.section-sub {
  font-size: 17px;
  color: var(--c-text-2);
  line-height: 1.6;
  max-width: 600px;
}

/* ====== 价值卡片 ====== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}
.value-card {
  background: var(--c-bg);
  padding: 36px 28px;
  transition: background 0.3s var(--easing);
  opacity: 0;
  transform: translateY(20px);
}
.value-card.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.value-card:hover { background: var(--c-bg-3); }
.value-num { font-size: 14px; color: var(--c-green); margin-bottom: 24px; letter-spacing: 0.1em; }
.value-card h3 { font-size: 22px; color: #fff; margin: 0 0 14px; font-weight: 600; }
.value-card p { color: var(--c-text-2); font-size: 14px; line-height: 1.7; margin: 0; }

/* ====== 平台矩阵 ====== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.plat-card {
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  padding: 24px;
  transition: all 0.3s var(--easing);
  opacity: 0;
  transform: translateY(20px);
}
.plat-card.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.plat-card:hover {
  border-color: var(--c-green);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(0, 255, 136, 0.2);
}
.plat-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.plat-logo {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg);
  border: 1px solid var(--c-border-2);
  color: var(--c-green);
  font-weight: 700;
  font-size: 14px;
  font-family: var(--font-display);
}
.plat-name { font-size: 16px; color: #fff; font-weight: 600; margin-bottom: 2px; }
.plat-coverage { font-size: 10px; color: var(--c-text-3); letter-spacing: 0.1em; }
.plat-bar { height: 3px; background: var(--c-bg); border: 1px solid var(--c-border); margin-bottom: 12px; position: relative; }
.plat-bar-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  background: var(--c-green);
  box-shadow: 0 0 8px var(--c-green);
  animation: barFill 1.4s var(--easing) backwards;
}
.plat-bar-warn { background: var(--c-yellow); box-shadow: 0 0 8px var(--c-yellow); }
.plat-status { font-size: 10px; color: var(--c-text-2); display: flex; align-items: center; gap: 8px; letter-spacing: 0.1em; }

/* ====== 模块卡片 ====== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.module-card {
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  padding: 28px 24px;
  transition: all 0.3s var(--easing);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
}
.module-card.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.module-card:hover {
  border-color: var(--c-border-2);
  background: var(--c-bg-2);
}
.module-card-featured {
  border-color: var(--c-green);
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.06), transparent 60%);
}
.module-card-featured::before {
  content: '★ CORE';
  position: absolute; top: 12px; right: 12px;
  font-size: 9px; color: var(--c-green); letter-spacing: 0.15em;
}
.module-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.module-id { font-size: 11px; color: var(--c-text-3); letter-spacing: 0.1em; }
.module-card h3 { font-size: 19px; color: #fff; margin: 0; font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge-mini {
  font-size: 9px;
  padding: 2px 6px;
  background: var(--c-green);
  color: var(--c-bg);
  letter-spacing: 0.1em;
  font-weight: 700;
}
.module-card p { font-size: 13px; color: var(--c-text-2); line-height: 1.65; margin: 0 0 16px; }
.module-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.module-tags li {
  font-size: 10px;
  padding: 3px 8px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: var(--c-text-2);
  letter-spacing: 0.08em;
}

/* ====== 架构栈 ====== */
.arch-stack { display: flex; flex-direction: column; gap: 8px; max-width: 1000px; margin: 0 auto; }
.arch-layer {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-border-2);
  transition: all 0.3s var(--easing);
  opacity: 0;
  transform: translateX(-20px);
}
.arch-layer.in-view { opacity: 1; transform: translateX(0); transition: all 0.6s var(--easing); }
.arch-layer:hover {
  border-left-color: var(--c-green);
  background: var(--c-bg-2);
}
.arch-layer:nth-child(1) { border-left-color: var(--c-green); }
.arch-label { font-size: 12px; color: var(--c-text-2); letter-spacing: 0.15em; }
.arch-content { display: flex; flex-wrap: wrap; gap: 8px; }
.arch-content span {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: #fff;
}

/* ====== 时间线 ====== */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 80px;
  padding: 20px 0;
  max-width: 1000px;
  margin: 0 auto;
}
.tl-line {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--c-green) 20%, var(--c-green) 80%, transparent);
  transform: translateX(-50%);
}
.tl-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  position: relative;
}
.tl-marker {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-bg);
  border: 1px solid var(--c-green);
  padding: 6px 14px;
  font-size: 10px;
  color: var(--c-green);
  letter-spacing: 0.2em;
  z-index: 2;
  white-space: nowrap;
}
.tl-card {
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  padding: 28px;
  opacity: 0;
  transform: translateY(20px);
}
.tl-card.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.tl-item-left .tl-card { grid-column: 1; }
.tl-item-right .tl-card { grid-column: 2; }
.tl-item-left { direction: rtl; }
.tl-item-left > * { direction: ltr; }
.tl-item-right { direction: rtl; }
.tl-item-right > * { direction: ltr; }
.tl-period { font-size: 11px; color: var(--c-green); margin-bottom: 8px; letter-spacing: 0.1em; }
.tl-card h3 { font-size: 24px; color: #fff; margin: 0 0 12px; font-weight: 600; }
.tl-card p { color: var(--c-text-2); font-size: 14px; line-height: 1.6; margin: 0 0 20px; }
.tl-metric {
  padding: 16px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-green);
  margin-bottom: 12px;
}
.tl-metric-label { font-size: 10px; color: var(--c-text-3); letter-spacing: 0.15em; margin-bottom: 4px; }
.tl-metric-value { font-size: 18px; font-weight: 700; color: #fff; }
.tl-detail { font-size: 11px; color: var(--c-text-3); }

/* ====== 定价 ====== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 60px;
}
.price-card {
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s var(--easing);
  opacity: 0;
  transform: translateY(20px);
  position: relative;
}
.price-card.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.price-card:hover { border-color: var(--c-border-2); }
.price-card-pro {
  border-color: var(--c-green);
  background: linear-gradient(180deg, rgba(0, 255, 136, 0.08), var(--c-bg-3) 40%);
  transform: translateY(-12px);
}
.price-card-pro.in-view { transform: translateY(-12px); }
.price-tag {
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--c-green);
  color: var(--c-bg);
  padding: 4px 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
}
.price-name { font-size: 12px; color: var(--c-text-2); letter-spacing: 0.2em; margin-bottom: 4px; }
.price-name-cn { font-size: 22px; color: #fff; font-weight: 600; margin-bottom: 24px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--c-border); }
.price-num { font-size: 48px; font-weight: 700; color: #fff; line-height: 1; }
.price-unit { font-size: 13px; color: var(--c-text-2); }
.price-features { list-style: none; padding: 0; margin: 0 0 32px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.price-features li { font-size: 14px; color: var(--c-text); display: flex; align-items: center; gap: 10px; }
.check { color: var(--c-green); font-weight: 700; }

.price-increment {
  display: flex; align-items: center; gap: 24px;
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-green);
  padding: 20px 32px;
  opacity: 0;
  transform: translateY(20px);
  flex-wrap: wrap;
}
.price-increment.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.inc-left {
  font-size: 11px;
  color: var(--c-green);
  letter-spacing: 0.2em;
  padding-right: 24px;
  border-right: 1px solid var(--c-border);
}
.inc-right { font-size: 15px; color: var(--c-text); }
.inc-right .mono { font-size: 16px; font-weight: 700; }

/* ====== 竞争壁垒 ====== */
.barrier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}
.barrier-item {
  background: var(--c-bg);
  padding: 36px 28px;
  transition: all 0.3s var(--easing);
  opacity: 0;
  transform: translateY(20px);
  position: relative;
  overflow: hidden;
}
.barrier-item.in-view { opacity: 1; transform: translateY(0); transition: all 0.6s var(--easing); }
.barrier-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--c-green);
  transition: width 0.4s var(--easing);
}
.barrier-item:hover { background: var(--c-bg-3); }
.barrier-item:hover::after { width: 100%; }
.barrier-num { font-size: 32px; color: var(--c-text-3); margin-bottom: 20px; font-weight: 700; line-height: 1; }
.barrier-item h3 { font-size: 20px; color: #fff; margin: 0 0 12px; font-weight: 600; }
.barrier-item p { color: var(--c-text-2); font-size: 13px; line-height: 1.7; margin: 0; }

/* ====== CTA ====== */
.cta-section {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.12), transparent 60%);
  pointer-events: none;
}
.cta-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.cta-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--c-green);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 24px;
}
.cta-sub {
  font-size: 17px;
  color: var(--c-text-2);
  line-height: 1.6;
  margin: 0 0 40px;
}
.cta-buttons { justify-content: center; margin-bottom: 48px; }
.cta-meta {
  display: flex; justify-content: center; gap: 32px; flex-wrap: wrap;
  font-size: 12px; color: var(--c-text-3);
  letter-spacing: 0.05em;
}

/* ====== Footer ====== */
.footer {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
  padding: 32px 0;
  position: relative; z-index: 2;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer-tag { font-size: 12px; color: var(--c-text-3); margin: 8px 0 0; }
.footer-right { display: flex; gap: 24px; font-size: 11px; color: var(--c-text-3); letter-spacing: 0.05em; flex-wrap: wrap; }

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 60px; }
  .value-grid, .barrier-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid, .pricing-grid, .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-layer { grid-template-columns: 1fr; gap: 12px; }
  .tl-line { left: 20px; }
  .tl-item { grid-template-columns: 1fr; gap: 0; padding-left: 60px; }
  .tl-item-left, .tl-item-right { direction: ltr; }
  .tl-item-left .tl-card, .tl-item-right .tl-card { grid-column: 1; }
  .tl-marker { left: 20px; transform: none; }
  .price-increment { flex-direction: column; align-items: flex-start; gap: 8px; padding: 20px 24px; }
  .inc-left { padding-right: 0; border-right: none; padding-bottom: 8px; border-bottom: 1px solid var(--c-border); }
  .nav-menu { display: none; }
}

@media (max-width: 640px) {
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .value-grid, .barrier-grid, .platform-grid, .pricing-grid, .modules-grid { grid-template-columns: 1fr; }
  .price-card-pro { transform: none; }
  .price-card-pro.in-view { transform: none; }
  .float-badge { display: none; }
  .terminal-body { padding: 18px; }
  .hero { padding-top: 40px; }
  .hero-inner { padding-bottom: 60px; }
  .status-bar { font-size: 10px; }
  .status-inner { padding: 6px 16px; }
  .cta-meta { flex-direction: column; gap: 12px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}