/* ============================================================
   拾海客 Seapick 官网 V1.0 · 全局样式
   设计语言：深海航海图（Deep-Sea Chart）
   — 深海蓝黑底 + 青蓝渐变（与业务端 V1.8 同源）
   — 等高线 / 经纬度 / 航点编号装饰，呼应"拾海而获，客自远来"
   ============================================================ */

:root {
  --bg-deep: #060b13;
  --bg-primary: #0a1220;
  --bg-secondary: #0e1726;
  --bg-card: #101a2c;
  --bg-card-hover: #16233a;
  --accent: #37c4c0;
  --accent-blue: #5b8cff;
  --accent-gold: #f5b34c;
  --text-primary: #e8edf4;
  --text-secondary: #a3b1c4;
  --text-muted: #5f7085;
  --border-color: rgba(123, 168, 224, 0.14);
  --border-active: rgba(55, 196, 192, 0.45);
  --grad-accent: linear-gradient(135deg, #37c4c0 0%, #5b8cff 100%);
  --grad-gold: linear-gradient(135deg, #f5b34c 0%, #f2706c 100%);
  --shadow-card: 0 4px 28px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 36px rgba(55, 196, 192, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --tr: all 0.28s ease;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--tr); }
img { max-width: 100%; }

::selection { background: rgba(55, 196, 192, 0.35); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: #1d2c44; border-radius: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(6, 11, 19, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--tr);
}
.navbar.scrolled { background: rgba(6, 11, 19, 0.96); }
.navbar-container {
  max-width: 1200px; margin: 0 auto; height: 66px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
}
.navbar-logo { display: flex; align-items: center; gap: 11px; font-size: 17px; font-weight: 700; white-space: nowrap; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 11px; position: relative; flex-shrink: 0;
  background: linear-gradient(135deg, #0c1626 0%, #12213a 100%);
  border: 1.5px solid transparent;
  box-shadow: 0 0 14px rgba(55, 196, 192, 0.28), inset 0 0 10px rgba(91, 140, 255, 0.1);
}
.logo-mark::before {
  content: ""; position: absolute; inset: -1.5px; border-radius: 11px; padding: 1.5px;
  background: linear-gradient(135deg, #37c4c0 0%, #5b8cff 60%, #37c4c0 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.logo-mark svg { position: absolute; inset: 0; margin: auto; width: 21px; height: 21px; color: var(--accent); }
.navbar-logo .logo-sub { display: flex; flex-direction: column; line-height: 1.15; }
.navbar-logo .logo-sub small { font-size: 9px; letter-spacing: 3px; color: var(--text-muted); font-family: var(--font-mono); font-weight: 400; }
.navbar-menu { display: flex; gap: 6px; list-style: none; }
.navbar-menu a {
  padding: 8px 15px; font-size: 14px; color: var(--text-secondary);
  border-radius: 8px; position: relative;
}
.navbar-menu a:hover { color: var(--text-primary); background: rgba(91, 140, 255, 0.08); }
.navbar-menu a.active { color: var(--accent); font-weight: 600; }
.navbar-menu a.active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 2px;
  background: var(--grad-accent); border-radius: 2px;
}
.navbar-cta {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 18px; border-radius: 9px; font-size: 13.5px; font-weight: 600;
  background: var(--grad-accent); color: #fff;
  box-shadow: 0 4px 16px rgba(55, 196, 192, 0.25);
}
.navbar-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(55, 196, 192, 0.4); }
.navbar-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.navbar-toggle span { display: block; width: 22px; height: 2px; background: var(--text-secondary); margin: 5px 0; border-radius: 2px; transition: var(--tr); }

/* ===== Hero ===== */
.hero {
  position: relative; padding: 168px 28px 96px; text-align: center; overflow: hidden;
  background:
    radial-gradient(ellipse 900px 460px at 50% -8%, rgba(55, 196, 192, 0.13), transparent 65%),
    radial-gradient(ellipse 700px 420px at 82% 22%, rgba(91, 140, 255, 0.1), transparent 60%),
    var(--bg-deep);
}
/* 航海等高线装饰 */
.hero-chart { position: absolute; inset: 0; pointer-events: none; opacity: 0.5; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 18px; border-radius: 99px; font-size: 12.5px; color: var(--accent);
  background: rgba(55, 196, 192, 0.09); border: 1px solid rgba(55, 196, 192, 0.3);
  margin-bottom: 28px; position: relative; z-index: 2;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 99px; background: var(--accent); box-shadow: 0 0 10px var(--accent); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-title {
  font-size: clamp(38px, 6vw, 64px); font-weight: 800; letter-spacing: 1px;
  line-height: 1.22; position: relative; z-index: 2;
}
.hero-title .text-gradient {
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: clamp(15px, 2vw, 18.5px); color: var(--text-secondary);
  max-width: 640px; margin: 22px auto 0; position: relative; z-index: 2;
}
.hero-coord {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
  letter-spacing: 4px; margin-top: 14px; position: relative; z-index: 2;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-top: 40px; position: relative; z-index: 2; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 34px; border-radius: 11px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: var(--tr); font-family: var(--font-sans); border: none;
}
.btn-primary { background: var(--grad-accent); color: #fff; box-shadow: 0 6px 26px rgba(55, 196, 192, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(55, 196, 192, 0.45); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border-active); }
.btn-outline:hover { background: rgba(55, 196, 192, 0.08); border-color: var(--accent); }
.hero-data-bar {
  display: flex; justify-content: center; gap: 0; margin: 58px auto 0; max-width: 980px;
  border: 1px solid var(--border-color); border-radius: 14px; overflow: hidden;
  background: rgba(14, 23, 38, 0.65); backdrop-filter: blur(8px); position: relative; z-index: 2;
  flex-wrap: wrap;
}
.hero-data-item {
  flex: 1; min-width: 150px; padding: 18px 12px; font-size: 12.5px; color: var(--text-secondary);
  border-right: 1px solid var(--border-color); text-align: center;
}
.hero-data-item:last-child { border-right: none; }
.hero-data-item strong {
  display: block; font-size: 22px; font-weight: 800; color: var(--text-primary);
  font-family: var(--font-mono); margin-bottom: 3px;
}
.hero-data-item strong em { font-style: normal; background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* 波浪分隔 */
.wave-divider { display: block; width: 100%; height: 70px; margin-top: -1px; color: var(--bg-primary); }

/* ===== 通用 Section ===== */
.section { padding: 92px 0; position: relative; }
.section-alt { background: var(--bg-primary); }
.section-deep { background:
  radial-gradient(ellipse 800px 400px at 15% 0%, rgba(91, 140, 255, 0.06), transparent 60%),
  var(--bg-primary); }
.section-eyebrow {
  display: flex; align-items: center; gap: 12px; justify-content: center;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 4px; color: var(--accent);
  text-transform: uppercase; margin-bottom: 16px;
}
.section-eyebrow::before, .section-eyebrow::after { content: ""; width: 34px; height: 1px; background: linear-gradient(90deg, transparent, var(--accent)); }
.section-eyebrow::after { background: linear-gradient(90deg, var(--accent), transparent); }
.section-title { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; text-align: center; letter-spacing: 1px; }
.section-subtitle { text-align: center; color: var(--text-secondary); font-size: 15px; margin-top: 14px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* ===== 航点卡片（获客闭环步骤） ===== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 46px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 28px 24px; position: relative;
  transition: var(--tr); overflow: hidden;
}
.card:hover { border-color: var(--border-active); transform: translateY(-5px); box-shadow: var(--shadow-glow), var(--shadow-card); }
.step-card { counter-increment: waypoint; }
.step-num {
  position: absolute; top: 16px; right: 18px;
  font-family: var(--font-mono); font-size: 26px; font-weight: 700; color: rgba(91, 140, 255, 0.16);
}
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; font-size: 24px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  background: rgba(55, 196, 192, 0.1); border: 1px solid rgba(55, 196, 192, 0.22);
}
.card-title { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; }
.card-desc { font-size: 13.5px; color: var(--text-secondary); line-height: 1.75; }
.card-tag { display: inline-block; font-size: 10.5px; font-family: var(--font-mono); color: var(--accent-blue); border: 1px solid rgba(91, 140, 255, 0.3); border-radius: 5px; padding: 2px 8px; margin-top: 14px; letter-spacing: 1px; }

/* ===== 时间线（获客演进） ===== */
.timeline { display: flex; align-items: stretch; margin-top: 56px; position: relative; }
.timeline::before {
  content: ""; position: absolute; top: 33px; left: 4%; right: 4%; height: 2px;
  background: linear-gradient(90deg, rgba(95, 112, 133, 0.4), rgba(55, 196, 192, 0.6));
}
.timeline-item { flex: 1; text-align: center; position: relative; padding: 0 8px; }
.timeline-dot {
  width: 66px; height: 66px; border-radius: 99px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center; font-size: 26px;
  background: var(--bg-card); border: 2px solid rgba(95, 112, 133, 0.35);
  position: relative; z-index: 2; transition: var(--tr);
}
.timeline-item.active .timeline-dot {
  border-color: var(--accent); background: rgba(55, 196, 192, 0.1);
  box-shadow: 0 0 24px rgba(55, 196, 192, 0.35); transform: scale(1.1);
}
.timeline-name { font-size: 14.5px; font-weight: 700; }
.timeline-item.active .timeline-name { color: var(--accent); }
.timeline-desc { font-size: 11.5px; color: var(--text-muted); margin-top: 5px; }
.timeline-foot { text-align: center; color: var(--text-muted); font-size: 13px; margin-top: 44px; }

/* ===== 八大模块 ===== */
.modules-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 52px; }
.module-card {
  background: linear-gradient(180deg, rgba(16, 26, 44, 0.9), rgba(12, 20, 35, 0.9));
  border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 26px 22px; transition: var(--tr); position: relative; overflow: hidden;
}
.module-card::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 2.5px;
  background: var(--grad-accent); transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
.module-card:hover::after { transform: scaleX(1); }
.module-card:hover { transform: translateY(-4px); border-color: var(--border-active); }
.module-ico { font-size: 30px; margin-bottom: 14px; display: block; }
.module-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.module-en { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 2px; color: var(--text-muted); text-transform: uppercase; display: block; margin-bottom: 10px; }
.module-desc { font-size: 12.5px; color: var(--text-secondary); line-height: 1.7; }
.module-feats { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.module-feats span {
  font-size: 10.5px; color: var(--text-secondary); background: rgba(91, 140, 255, 0.09);
  border: 1px solid rgba(91, 140, 255, 0.18); border-radius: 5px; padding: 3px 9px;
}

/* ===== 生命周期（7 状态） ===== */
.lifecycle { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 56px; flex-wrap: wrap; }
.lifecycle-node {
  width: 116px; padding: 18px 10px 16px; text-align: center;
  background: var(--bg-card); border: 1.5px solid rgba(95, 112, 133, 0.35);
  border-radius: 14px; transition: var(--tr);
}
.lifecycle-node:hover { transform: translateY(-4px); }
.lifecycle-node.absorb { border-color: rgba(242, 112, 108, 0.5); }
.lifecycle-node.reversible { border-color: rgba(245, 179, 76, 0.5); }
.lifecycle-code { font-family: var(--font-mono); font-size: 20px; font-weight: 800; color: var(--accent-blue); }
.lifecycle-node.absorb .lifecycle-code { color: #f2706c; }
.lifecycle-node.reversible .lifecycle-code { color: var(--accent-gold); }
.lifecycle-name { font-size: 13px; font-weight: 600; margin-top: 5px; }
.lifecycle-type { display: inline-block; font-size: 10px; padding: 2px 9px; border-radius: 99px; margin-top: 9px; }
.t-normal { background: rgba(91, 140, 255, 0.12); color: var(--accent-blue); }
.t-absorb { background: rgba(242, 112, 108, 0.13); color: #f2706c; }
.t-reversible { background: rgba(245, 179, 76, 0.13); color: var(--accent-gold); }
.lifecycle-arrow { color: var(--text-muted); font-size: 19px; font-family: var(--font-mono); }
.lifecycle-legend { display: flex; justify-content: center; gap: 26px; margin-top: 40px; font-size: 12.5px; color: var(--text-secondary); flex-wrap: wrap; }
.legend-dot { width: 10px; height: 10px; border-radius: 99px; display: inline-block; margin-right: 7px; vertical-align: -1px; }
.legend-dot.normal { background: var(--accent-blue); }
.legend-dot.absorb { background: #f2706c; }
.legend-dot.reversible { background: var(--accent-gold); }

/* ===== 对比表 ===== */
.compare { margin-top: 52px; border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; }
.compare-row { display: grid; grid-template-columns: 1.15fr 1fr 1fr; }
.compare-row > div { padding: 18px 24px; font-size: 13.5px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 9px; }
.compare-row:last-child > div { border-bottom: none; }
.compare-head > div { font-weight: 700; font-size: 14.5px; background: rgba(14, 23, 38, 0.9); }
.compare-head .col-us { color: var(--accent); }
.compare-row .col-label { color: var(--text-secondary); background: rgba(10, 18, 32, 0.6); }
.compare-row .col-them { color: var(--text-muted); background: var(--bg-primary); }
.compare-row .col-us { background: rgba(55, 196, 192, 0.055); font-weight: 600; }
.compare-yes { color: var(--accent); font-weight: 800; }
.compare-no { color: var(--text-muted); }

/* ===== 数据大数字 ===== */
.stats-band {
  background: linear-gradient(135deg, rgba(55, 196, 192, 0.08), rgba(91, 140, 255, 0.06));
  border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
  padding: 56px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-num {
  font-size: clamp(30px, 4vw, 44px); font-weight: 800; font-family: var(--font-mono);
  background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 8px; }
.stat-note { font-size: 11px; color: var(--text-muted); margin-top: 4px; font-family: var(--font-mono); }

/* ===== 产品截图模拟框 ===== */
.shot {
  border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-secondary); box-shadow: var(--shadow-card); transition: var(--tr);
}
.shot:hover { border-color: var(--border-active); }
.shot-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border-color); background: rgba(10, 18, 32, 0.8); }
.shot-bar i { width: 11px; height: 11px; border-radius: 99px; background: #2c3a52; }
.shot-bar i:nth-child(1) { background: #f2706c; }
.shot-bar i:nth-child(2) { background: var(--accent-gold); }
.shot-bar i:nth-child(3) { background: #34c98f; }
.shot-bar span { margin-left: 10px; font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }
.shot-body { padding: 22px; }

/* 列表勾选 */
.check-list { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.check-list li { display: flex; gap: 11px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.check-list li::before {
  content: "✓"; flex: none; width: 21px; height: 21px; border-radius: 6px; margin-top: 2px;
  background: rgba(55, 196, 192, 0.12); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800;
}
.check-list li b { color: var(--text-primary); }

/* 双栏图文 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; margin-top: 64px; }
.split-title { font-size: 25px; font-weight: 800; margin-bottom: 16px; }
.split-title .grad { background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.split-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.85; }
.split-desc + .check-list { margin-top: 22px; }

/* ===== 场景标签云 ===== */
.scene-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 48px; }
.scene-tag {
  padding: 10px 22px; border-radius: 99px; font-size: 13.5px; color: var(--text-secondary);
  border: 1px solid var(--border-color); background: var(--bg-card); transition: var(--tr);
}
.scene-tag:hover { border-color: var(--border-active); color: var(--accent); transform: translateY(-2px); }

/* ===== CTA ===== */
.cta {
  position: relative; text-align: center; padding: 104px 28px; overflow: hidden;
  background:
    radial-gradient(ellipse 760px 380px at 50% 100%, rgba(55, 196, 192, 0.12), transparent 65%),
    var(--bg-deep);
}
.cta::before, .cta::after {
  content: ""; position: absolute; width: 340px; height: 340px; border-radius: 99px;
  border: 1px solid rgba(55, 196, 192, 0.14); top: 50%; transform: translateY(-50%);
}
.cta::before { left: -120px; }
.cta::after { right: -120px; }
.cta-title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: 1px; }
.cta-subtitle { color: var(--text-secondary); margin-top: 16px; font-size: 15.5px; }
.cta .hero-actions { margin-top: 38px; }

/* ===== 页脚 ===== */
.footer { border-top: 1px solid var(--border-color); background: var(--bg-deep); padding: 58px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.2fr; gap: 38px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 16.5px; font-weight: 700; margin-bottom: 14px; }
.footer-brand-desc { font-size: 12.5px; color: var(--text-muted); line-height: 1.85; }
.footer-col h4 { font-size: 13.5px; font-weight: 700; margin-bottom: 15px; color: var(--text-primary); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 12.5px; color: var(--text-muted); }
.footer-col a:hover { color: var(--accent); }
.footer-col li { font-size: 12.5px; color: var(--text-muted); }
.footer-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--border-color);
  text-align: center; font-size: 12px; color: var(--text-muted);
}

/* ===== 页面 Hero（内页） ===== */
.page-hero {
  position: relative; padding: 150px 28px 74px; text-align: center; overflow: hidden;
  background:
    radial-gradient(ellipse 800px 380px at 50% -10%, rgba(91, 140, 255, 0.12), transparent 65%),
    var(--bg-deep);
}
.page-hero h1 { font-size: clamp(30px, 4.4vw, 44px); font-weight: 800; }
.page-hero p { color: var(--text-secondary); max-width: 640px; margin: 16px auto 0; font-size: 15.5px; }
.breadcrumb { font-family: var(--font-mono); font-size: 11px; letter-spacing: 3px; color: var(--accent); text-transform: uppercase; margin-bottom: 18px; }

/* ===== 里程碑（发展历程） ===== */
.milestones { margin-top: 54px; border-left: 2px solid rgba(91, 140, 255, 0.25); padding-left: 34px; display: flex; flex-direction: column; gap: 34px; }
.milestone { position: relative; }
.milestone::before {
  content: ""; position: absolute; left: -42px; top: 5px; width: 13px; height: 13px;
  border-radius: 99px; background: var(--bg-deep); border: 2.5px solid var(--accent);
  box-shadow: 0 0 12px rgba(55, 196, 192, 0.4);
}
.milestone-time { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 1.5px; }
.milestone-title { font-size: 17px; font-weight: 700; margin: 6px 0 7px; }
.milestone-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.75; }

/* ===== 架构图 ===== */
.arch-stack { display: flex; flex-direction: column; gap: 14px; margin-top: 50px; }
.arch-layer {
  display: grid; grid-template-columns: 190px 1fr; border: 1px solid var(--border-color);
  border-radius: 14px; overflow: hidden; background: var(--bg-card); transition: var(--tr);
}
.arch-layer:hover { border-color: var(--border-active); }
.arch-layer-name {
  padding: 20px; display: flex; flex-direction: column; justify-content: center; gap: 4px;
  background: rgba(55, 196, 192, 0.05); border-right: 1px solid var(--border-color);
}
.arch-layer-name b { font-size: 15px; }
.arch-layer-name span { font-family: var(--font-mono); font-size: 10px; color: var(--accent); letter-spacing: 1.5px; text-transform: uppercase; }
.arch-layer-items { padding: 16px 20px; display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }
.arch-chip {
  font-size: 12px; padding: 6px 14px; border-radius: 8px;
  background: rgba(91, 140, 255, 0.09); border: 1px solid rgba(91, 140, 255, 0.2); color: var(--text-secondary);
}

/* ===== 联系页 ===== */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; margin-top: 56px; }
.contact-card {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 34px 30px; transition: var(--tr);
}
.contact-card:hover { border-color: var(--border-active); }
.contact-item { display: flex; gap: 15px; padding: 17px 0; border-bottom: 1px dashed var(--border-color); }
.contact-item:last-child { border-bottom: none; }
.contact-item .ci-ico { width: 44px; height: 44px; border-radius: 12px; flex: none; display: flex; align-items: center; justify-content: center; font-size: 20px; background: rgba(55, 196, 192, 0.1); border: 1px solid rgba(55, 196, 192, 0.22); }
.contact-item b { display: block; font-size: 14px; margin-bottom: 3px; }
.contact-item span { font-size: 13px; color: var(--text-secondary); }
.form-field { margin-bottom: 17px; }
.form-field label { display: block; font-size: 12.5px; color: var(--text-secondary); margin-bottom: 7px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 10px; color: var(--text-primary); font-size: 14px; padding: 12px 14px;
  font-family: var(--font-sans); transition: var(--tr);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(55, 196, 192, 0.1); }
.form-field textarea { min-height: 110px; resize: vertical; }

/* ===== 隐私页 ===== */
.legal-body { max-width: 800px; margin: 0 auto; }
.legal-body h2 { font-size: 19px; font-weight: 700; margin: 42px 0 14px; padding-left: 14px; border-left: 3px solid var(--accent); }
.legal-body p, .legal-body li { font-size: 14px; color: var(--text-secondary); line-height: 1.9; margin-bottom: 10px; }
.legal-body ul { padding-left: 22px; }
.legal-body .update-note { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }

/* ===== 滚动浮现动画 ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .grid-4, .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { flex-wrap: wrap; gap: 26px 0; }
  .timeline::before { display: none; }
  .timeline-item { flex: 0 0 33.3%; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-row .col-label { background: rgba(10, 18, 32, 0.9); font-weight: 700; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
}
/* ===== 模拟界面（产品页展示） ===== */
.split-rev > *:first-child { order: 2; }
.mock-search { display: flex; gap: 9px; }
.mock-search .ms-input {
  flex: 1; background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 9px; padding: 10px 14px; font-size: 12px; color: var(--text-secondary);
  font-family: var(--font-mono);
}
.mock-search .ms-btn { background: var(--grad-accent); border-radius: 9px; padding: 10px 16px; font-size: 12px; font-weight: 600; color: #fff; white-space: nowrap; }
.mock-table { display: flex; flex-direction: column; gap: 7px; margin-top: 14px; }
.mock-head, .mock-row { display: grid; grid-template-columns: 1.8fr 0.7fr 0.8fr 0.7fr; gap: 8px; align-items: center; }
.mock-head { font-size: 10px; font-family: var(--font-mono); color: var(--text-muted); letter-spacing: 1.5px; padding: 0 12px; }
.mock-row {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 9px; padding: 10px 12px; font-size: 11.5px; color: var(--text-secondary);
}
.mock-row b { color: var(--text-primary); font-weight: 600; }
.mock-num { font-family: var(--font-mono); }
.mock-score { font-family: var(--font-mono); font-weight: 800; color: var(--accent); text-align: right; }
.mock-score.warn { color: var(--accent-gold); }
.mock-score.muted { color: var(--text-muted); font-weight: 400; }
.mock-meta {
  margin-top: 13px; display: flex; justify-content: space-between; gap: 10px;
  font-size: 10.5px; color: var(--text-muted); font-family: var(--font-mono); flex-wrap: wrap;
}
.mock-chat { display: flex; flex-direction: column; gap: 11px; }
.mock-msg { max-width: 84%; padding: 11px 14px; border-radius: 13px; font-size: 12.5px; line-height: 1.7; }
.mock-msg.in { background: var(--bg-primary); border: 1px solid var(--border-color); border-bottom-left-radius: 4px; align-self: flex-start; color: var(--text-secondary); }
.mock-msg.out {
  background: linear-gradient(135deg, rgba(55, 196, 192, 0.15), rgba(91, 140, 255, 0.15));
  border: 1px solid rgba(55, 196, 192, 0.32); border-bottom-right-radius: 4px; align-self: flex-end;
}
.mock-msg .meta { display: block; font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); margin-top: 6px; }
.mock-msg .meta em { font-style: normal; color: var(--accent); }
.mock-kanban { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-col { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 11px; padding: 11px; }
.mock-col h5 { font-size: 10px; font-family: var(--font-mono); color: var(--accent); letter-spacing: 1.5px; margin-bottom: 9px; }
.mock-card {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px;
  padding: 9px 11px; font-size: 11px; color: var(--text-secondary); margin-bottom: 8px; line-height: 1.55;
}
.mock-card:last-child { margin-bottom: 0; }
.mock-card b { display: block; color: var(--text-primary); font-size: 11.5px; margin-bottom: 2px; }
.mock-card .pills { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.mock-card .pills i {
  font-style: normal; font-size: 9px; padding: 1px 7px; border-radius: 99px;
  background: rgba(91, 140, 255, 0.1); border: 1px solid rgba(91, 140, 255, 0.2); color: var(--text-secondary); font-family: var(--font-mono);
}
.mock-bars { display: flex; flex-direction: column; gap: 9px; margin-top: 16px; }
.mock-bar-row { display: flex; align-items: center; gap: 10px; font-size: 10.5px; color: var(--text-muted); font-family: var(--font-mono); }
.mock-bar-row .bar { flex: 1; height: 7px; border-radius: 99px; background: rgba(91, 140, 255, 0.12); overflow: hidden; }
.mock-bar-row .bar i { display: block; height: 100%; border-radius: 99px; background: var(--grad-accent); }

/* ===== FAQ ===== */
.faq-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 24px 26px; transition: var(--tr); }
.faq-item:hover { border-color: var(--border-active); }
.faq-item h3 { font-size: 15px; font-weight: 700; margin-bottom: 9px; }
.faq-item h3 span { color: var(--accent); font-family: var(--font-mono); margin-right: 8px; }
.faq-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.8; }

/* ===== 品牌引用（关于页） ===== */
.brand-quote {
  font-size: clamp(17px, 2.2vw, 22px); font-weight: 700; line-height: 1.85;
  color: var(--text-primary); padding-left: 18px; border-left: 3px solid var(--accent); margin-bottom: 20px;
}
.brand-quote em { font-style: normal; background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ===== 表单提交反馈 ===== */
.form-ok {
  display: none; margin-top: 14px; padding: 13px 16px; border-radius: 10px;
  background: rgba(55, 196, 192, 0.1); border: 1px solid rgba(55, 196, 192, 0.35); color: var(--accent); font-size: 13px;
}
.form-ok.show { display: block; }
.btn-block { width: 100%; justify-content: center; }

/* ===== 模拟界面响应式 ===== */
@media (max-width: 1080px) {
  .split-rev > *:first-child { order: 0; }
}

@media (max-width: 760px) {
  .grid-4, .grid-3, .grid-2, .modules-grid, .stats-grid { grid-template-columns: 1fr; }
  .mock-head { display: none; }
  .mock-row { grid-template-columns: 1.5fr auto; }
  .mock-row .mock-num { display: none; }
  .mock-kanban { grid-template-columns: 1fr; }
  .navbar-menu {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; background: rgba(6, 11, 19, 0.98); padding: 14px 20px 20px;
    border-bottom: 1px solid var(--border-color); gap: 4px;
  }
  .navbar-menu.open { display: flex; }
  .navbar-menu a { padding: 12px 14px; }
  .navbar-toggle { display: block; }
  .navbar-cta { display: none; }
  .hero { padding-top: 128px; }
  .hero-data-item { border-right: none; border-bottom: 1px solid var(--border-color); }
  .timeline-item { flex: 0 0 50%; }
  .lifecycle { gap: 14px; }
  .lifecycle-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .arch-layer { grid-template-columns: 1fr; }
  .arch-layer-name { border-right: none; border-bottom: 1px solid var(--border-color); }
  .section { padding: 64px 0; }
}