/* ============================================================
   海象禾科技官网 · 共享样式表（全站通用）
   深色科技风：深空蓝黑 + 青蓝霓虹 + 玻璃拟态
   所有页面通过 <link rel="stylesheet" href="assets/css/style.css"> 引用
   ============================================================ */

/* ---------- 全局设计令牌 ---------- */
:root {
  --bg-deep: #04080f;                 /* 最深背景 */
  --bg-base: #070d1a;                 /* 基础背景 */
  --bg-card: rgba(13, 25, 46, 0.55);  /* 卡片半透明底 */
  --line-soft: rgba(56, 189, 248, 0.14); /* 柔和分隔线 */
  --cyan: #22d3ee;                    /* 主色：青 */
  --blue: #3b82f6;                    /* 辅色：蓝 */
  --violet: #8b5cf6;                  /* 点缀：紫 */
  --amber: #fbbf24;                   /* 订单/警示色 */
  --green: #4ade80;                   /* 状态色：正常 */
  --text-main: #e6f1ff;               /* 主文字 */
  --text-sub: #8ba3c7;                /* 次文字 */
  --text-dim: #5b7290;                /* 弱文字 */
  --gradient-main: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
  --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --mono-stack: Consolas, "Courier New", monospace;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg, canvas { display: block; }
::selection { background: rgba(34, 211, 238, 0.35); color: #fff; }

/* 全站细网格背景，营造工程感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
}

/* ---------- 通用容器与标题 ---------- */
.container { width: min(1180px, 92%); margin: 0 auto; position: relative; z-index: 1; }
.section { padding: 110px 0; position: relative; }
.section.alt { background: rgba(7, 13, 26, 0.45); } /* 隔段换底色 */

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  padding: 6px 16px;
  background: rgba(34, 211, 238, 0.06);
  margin-bottom: 18px;
}
.section-tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.section-title { font-size: clamp(26px, 3.6vw, 40px); font-weight: 700; letter-spacing: 1px; }
.section-desc { color: var(--text-sub); max-width: 640px; margin-top: 14px; font-size: 16px; }
.section-desc strong { color: var(--text-main); font-weight: 600; }
.section-head { margin-bottom: 60px; }
.section-head.center { text-align: center; }
.section-head.center .section-desc { margin-left: auto; margin-right: auto; }
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-main);
  color: #041018;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 34px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 8px 30px rgba(34, 211, 238, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 42px rgba(34, 211, 238, 0.5); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 999px;
  border: 1px solid rgba(139, 163, 199, 0.35);
  color: var(--text-sub);
  cursor: pointer;
  background: transparent;
  transition: all 0.3s;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(34, 211, 238, 0.06); }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ============================================================
   顶部导航（含二级下拉）
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(4, 8, 15, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line-soft); background: rgba(4, 8, 15, 0.88); }
.nav-inner {
  width: min(1180px, 92%);
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: 1px; }
.logo-badge {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--gradient-main);
  display: grid;
  place-items: center;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.45);
}
.logo-badge svg { width: 20px; height: 20px; }
.logo small { display: block; font-size: 10px; color: var(--text-dim); letter-spacing: 2px; font-weight: 400; }

/* 一级菜单 */
.nav-links { display: flex; gap: 30px; font-size: 15px; align-items: center; }
.nav-links > li { position: relative; }
.nav-links > li > a, .nav-links > li > span {
  color: var(--text-sub);
  position: relative;
  transition: color 0.25s;
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
/* 下拉指示箭头 */
.nav-links .has-drop > a::after, .nav-links .has-drop > span::after {
  content: "";
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.25s;
}
.nav-links > li > a::before {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gradient-main);
  border-radius: 2px;
  transition: width 0.3s;
}
.nav-links > li > a:hover, .nav-links > li > a.active { color: var(--text-main); }
.nav-links > li > a:hover::before, .nav-links > li > a.active::before { width: 100%; }

/* 二级下拉面板 */
.dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: rgba(8, 15, 30, 0.97);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s, transform 0.28s, visibility 0.28s;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.55);
}
.nav-links > li.has-drop:hover .dropdown,
.nav-links > li.has-drop.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 13px;
  border-radius: 9px;
  font-size: 14px;
  color: var(--text-sub);
  transition: background 0.22s, color 0.22s;
  white-space: nowrap;
}
.dropdown a:hover { background: rgba(34, 211, 238, 0.09); color: var(--cyan); }
.dropdown a i {
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 7px var(--cyan);
  flex-shrink: 0;
}
.dropdown a small { display: block; font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }

.nav-cta {
  font-size: 14px;
  padding: 9px 22px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.45);
  color: var(--cyan);
  transition: all 0.3s;
  white-space: nowrap;
}
.nav-cta:hover { background: rgba(34, 211, 238, 0.12); box-shadow: 0 0 20px rgba(34, 211, 238, 0.25); }
.burger { display: none; background: none; border: 1px solid var(--line-soft); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.burger span { display: block; width: 20px; height: 2px; background: var(--text-main); margin: 4px 0; border-radius: 2px; }

/* ============================================================
   Hero 首屏（仅首页）
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
#particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero::before {
  content: "";
  position: absolute;
  top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse, rgba(34, 211, 238, 0.16), transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 2.5px;
  color: var(--cyan);
  padding: 7px 18px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.05);
  margin-bottom: 26px;
  animation: pulse-badge 2.4s ease-in-out infinite;
}
@keyframes pulse-badge { 0%,100% { box-shadow: 0 0 0 0 rgba(34,211,238,0.18); } 50% { box-shadow: 0 0 0 8px rgba(34,211,238,0); } }
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.22; font-weight: 800; letter-spacing: 1px; }
.hero h1 .line { display: block; overflow: hidden; }
.typing-cursor {
  display: inline-block;
  width: 3px; height: 1em;
  background: var(--cyan);
  margin-left: 6px;
  vertical-align: -0.12em;
  box-shadow: 0 0 10px var(--cyan);
  animation: blink 0.9s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { margin: 26px 0 36px; color: var(--text-sub); font-size: clamp(15px, 1.6vw, 17.5px); max-width: 560px; }
.hero-sub strong { color: var(--text-main); font-weight: 600; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-tech { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 44px; }
.hero-tech span {
  font-size: 12.5px;
  color: var(--text-sub);
  border: 1px solid var(--line-soft);
  background: rgba(13, 25, 46, 0.5);
  padding: 5px 14px;
  border-radius: 6px;
  letter-spacing: 1px;
}

/* Hero 右侧：调度匹配演示面板 */
.dispatch-panel {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(13, 25, 46, 0.85), rgba(7, 13, 26, 0.9));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5), inset 0 0 60px rgba(34, 211, 238, 0.03);
  overflow: hidden;
  animation: float-panel 7s ease-in-out infinite;
}
@keyframes float-panel { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.dispatch-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 1px;
}
.dispatch-head .dot-live { display: inline-flex; align-items: center; gap: 7px; color: var(--green); }
.dispatch-head .dot-live::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: blink 1.2s step-end infinite;
}
#dispatch-canvas { width: 100%; height: 340px; }
.dispatch-foot {
  display: flex;
  justify-content: space-around;
  padding: 14px 20px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  color: var(--text-dim);
}
.dispatch-foot b { display: block; font-size: 17px; color: var(--cyan); font-weight: 700; font-family: var(--mono-stack); }

/* ============================================================
   二级页面头（page-hero）
   ============================================================ */
.page-hero {
  position: relative;
  padding: 168px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 55% at 50% -10%, rgba(34, 211, 238, 0.13), transparent 65%),
    radial-gradient(ellipse 40% 40% at 85% 30%, rgba(139, 92, 246, 0.08), transparent 60%);
}
/* 面包屑 */
.crumb { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text-dim); margin-bottom: 22px; }
.crumb a { color: var(--text-sub); transition: color 0.25s; }
.crumb a:hover { color: var(--cyan); }
.crumb .sep { color: rgba(91, 114, 144, 0.6); }
.crumb .current { color: var(--cyan); }
.page-hero h1 { font-size: clamp(30px, 4.2vw, 50px); font-weight: 800; line-height: 1.25; letter-spacing: 1px; }
.page-hero .lead { margin-top: 20px; color: var(--text-sub); font-size: clamp(15px, 1.6vw, 17px); max-width: 680px; }
.page-hero .lead strong { color: var(--text-main); font-weight: 600; }
.page-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 36px; }
/* 页面头右侧关键词芯片 */
.page-hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 50px; align-items: center; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.hero-chips span {
  font-size: 13px;
  color: var(--text-sub);
  border: 1px solid var(--line-soft);
  background: rgba(13, 25, 46, 0.55);
  padding: 9px 18px;
  border-radius: 10px;
  letter-spacing: 1px;
  transition: border-color 0.3s, color 0.3s;
}
.hero-chips span:hover { border-color: rgba(34, 211, 238, 0.45); color: var(--cyan); }

/* ============================================================
   核心指标条
   ============================================================ */
.stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(7, 13, 26, 0.6);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 42px 20px; text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0; top: 22%;
  height: 56%; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(56,189,248,0.3), transparent);
}
.stat-num {
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 800;
  font-family: var(--mono-stack);
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-sub); font-size: 14px; margin-top: 6px; letter-spacing: 1px; }

/* ============================================================
   主营业务卡片（首页）
   ============================================================ */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.biz-card {
  position: relative;
  border-radius: 18px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 38px 32px;
  overflow: hidden;
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
  display: flex;
  flex-direction: column;
}
.biz-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.35s;
}
.biz-card:hover { transform: translateY(-8px); border-color: rgba(34, 211, 238, 0.45); box-shadow: 0 22px 55px rgba(2, 8, 20, 0.7), 0 0 40px rgba(34, 211, 238, 0.07); }
.biz-card:hover::before { opacity: 1; }
.biz-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  margin-bottom: 24px;
}
.biz-icon svg { width: 28px; height: 28px; stroke: var(--cyan); }
.biz-card h3 { font-size: 21px; margin-bottom: 6px; letter-spacing: 0.5px; }
.biz-card h3 a { transition: color 0.25s; }
.biz-card:hover h3 a { color: var(--cyan); }
.biz-card .biz-no { font-size: 12px; color: var(--text-dim); font-family: var(--mono-stack); letter-spacing: 2px; }
.biz-card p { color: var(--text-sub); font-size: 14.5px; margin: 14px 0 20px; flex: 1; }
.biz-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-sub);
  padding: 7px 0;
  border-top: 1px dashed rgba(139, 163, 199, 0.14);
}
.biz-points li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  flex-shrink: 0;
}
/* 卡片底部跳转链接 */
.biz-more {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: 1px;
}
.biz-more svg { width: 15px; height: 15px; transition: transform 0.3s; }
.biz-card:hover .biz-more svg { transform: translateX(5px); }

/* ============================================================
   派单流程（首页）
   ============================================================ */
.flow-wrap { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 20px; }
.flow-wrap::before {
  content: "";
  position: absolute;
  top: 46px; left: 8%; right: 8%;
  height: 2px;
  background: linear-gradient(90deg, rgba(34,211,238,0.05), rgba(34,211,238,0.55), rgba(59,130,246,0.55), rgba(34,211,238,0.05));
  z-index: 0;
}
.flow-step { position: relative; z-index: 1; text-align: center; padding: 0 8px; }
.flow-node {
  width: 62px; height: 62px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #0a1526;
  border: 1px solid rgba(34, 211, 238, 0.4);
  display: grid;
  place-items: center;
  font-family: var(--mono-stack);
  font-weight: 700;
  font-size: 19px;
  color: var(--cyan);
  box-shadow: 0 0 0 6px rgba(7, 13, 26, 0.9), 0 0 24px rgba(34, 211, 238, 0.22);
  transition: transform 0.3s, box-shadow 0.3s;
}
.flow-step:hover .flow-node { transform: scale(1.12); box-shadow: 0 0 0 6px rgba(7,13,26,0.9), 0 0 36px rgba(34, 211, 238, 0.5); }
.flow-step h4 { font-size: 16.5px; margin-bottom: 8px; }
.flow-step p { font-size: 13px; color: var(--text-dim); line-height: 1.65; }

/* ============================================================
   技术优势卡片
   ============================================================ */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.tech-card {
  display: flex;
  gap: 22px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 30px;
  transition: transform 0.35s, border-color 0.35s, background 0.35s;
}
.tech-card:hover { transform: translateY(-6px); border-color: rgba(34, 211, 238, 0.4); background: rgba(17, 32, 58, 0.6); }
.tech-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(34,211,238,0.14), rgba(59,130,246,0.14));
  border: 1px solid rgba(34, 211, 238, 0.28);
}
.tech-icon svg { width: 26px; height: 26px; stroke: var(--cyan); }
.tech-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.tech-card h3 small { font-size: 11.5px; color: var(--text-dim); font-weight: 400; letter-spacing: 2px; margin-left: 8px; font-family: var(--mono-stack); }
.tech-card p { font-size: 14px; color: var(--text-sub); }

/* ============================================================
   应用场景卡片
   ============================================================ */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scene-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px 30px;
  transition: transform 0.35s, border-color 0.35s;
  background: var(--bg-card);
}
.scene-visual { position: absolute; inset: 0; z-index: 0; opacity: 0.85; transition: opacity 0.4s, transform 0.5s; }
.scene-card:hover .scene-visual { opacity: 1; transform: scale(1.04); }
.scene-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 20%, rgba(4, 8, 15, 0.92) 78%);
}
.scene-card > * { position: relative; z-index: 2; }
.scene-card:hover { transform: translateY(-8px); border-color: rgba(34, 211, 238, 0.45); }
.scene-tag {
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.35);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  background: rgba(4, 8, 15, 0.6);
}
.scene-card h3 { font-size: 21px; margin-bottom: 10px; }
.scene-card p { font-size: 14px; color: var(--text-sub); }
.scene-more {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--cyan);
}
.scene-more svg { width: 14px; height: 14px; transition: transform 0.3s; }
.scene-card:hover .scene-more svg { transform: translateX(5px); }
/* 场景一：外卖——热力波纹 */
.v-food { background: radial-gradient(circle at 50% 38%, rgba(251, 191, 36, 0.14), transparent 55%), radial-gradient(circle at 50% 38%, rgba(34, 211, 238, 0.1), transparent 40%); }
.v-food i {
  position: absolute; top: 38%; left: 50%;
  width: 22px; height: 22px;
  border: 1px solid rgba(251, 191, 36, 0.7);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ripple 2.6s ease-out infinite;
}
.v-food i:nth-child(2) { animation-delay: 0.85s; }
.v-food i:nth-child(3) { animation-delay: 1.7s; }
@keyframes ripple { from { width: 22px; height: 22px; opacity: 1; } to { width: 170px; height: 170px; opacity: 0; } }
/* 场景二：快递——流动轨道点 */
.v-express { background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.16), transparent 55%); }
.v-express i {
  position: absolute;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue);
  animation: orbit 4.2s linear infinite;
}
.v-express i:nth-child(1) { top: 26%; left: 22%; animation-delay: 0s; }
.v-express i:nth-child(2) { top: 42%; left: 62%; animation-delay: 1.05s; }
.v-express i:nth-child(3) { top: 58%; left: 36%; animation-delay: 2.1s; }
.v-express i:nth-child(4) { top: 34%; left: 76%; animation-delay: 3.15s; }
@keyframes orbit { 0%,100% { transform: translate(0, 0); opacity: 0.35; } 50% { transform: translate(14px, -16px); opacity: 1; } }
/* 场景三：同城——网格节点脉冲 */
.v-city { background: radial-gradient(circle at 70% 26%, rgba(139, 92, 246, 0.18), transparent 55%); }
.v-city i {
  position: absolute;
  width: 9px; height: 9px;
  border-radius: 2px;
  background: var(--violet);
  box-shadow: 0 0 10px var(--violet);
  animation: grid-pulse 2.2s ease-in-out infinite;
}
.v-city i:nth-child(1) { top: 24%; left: 62%; }
.v-city i:nth-child(2) { top: 44%; left: 78%; animation-delay: 0.4s; }
.v-city i:nth-child(3) { top: 60%; left: 55%; animation-delay: 0.8s; }
.v-city i:nth-child(4) { top: 34%; left: 40%; animation-delay: 1.2s; }
.v-city i:nth-child(5) { top: 66%; left: 74%; animation-delay: 1.6s; }
@keyframes grid-pulse { 0%,100% { opacity: 0.3; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.35); } }

/* ============================================================
   调度指挥中心（数据看板）
   ============================================================ */
.dashboard {
  border-radius: 22px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(10, 21, 38, 0.9), rgba(7, 13, 26, 0.95));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
.dashboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 26px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  letter-spacing: 1px;
}
.dashboard-head .live { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 13px; }
.dashboard-head .live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: blink 1.2s step-end infinite; }
.dashboard-body { display: grid; grid-template-columns: 1fr 1.2fr; gap: 0; }
.dash-left { padding: 30px 28px; border-right: 1px solid var(--line-soft); }
.dash-metric { margin-bottom: 26px; }
.dash-metric:last-child { margin-bottom: 0; }
.dash-metric .row { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 9px; }
.dash-metric .row span { color: var(--text-sub); }
.dash-metric .row b { font-family: var(--mono-stack); color: var(--cyan); font-size: 15px; }
.bar-track { height: 7px; border-radius: 4px; background: rgba(139, 163, 199, 0.12); overflow: hidden; }
.bar-fill {
  height: 100%;
  width: 0;
  border-radius: 4px;
  background: var(--gradient-main);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.dash-right { padding: 30px 28px; }
.dash-right h5 { font-size: 14px; color: var(--text-sub); font-weight: 500; margin-bottom: 18px; letter-spacing: 1px; }
.dash-right h5 b { color: var(--text-main); font-weight: 600; }
#wave-chart { width: 100%; height: auto; }
.wave-path { stroke-dasharray: 1200; stroke-dashoffset: 1200; transition: stroke-dashoffset 2.2s ease-out 0.3s; }
.visible .wave-path { stroke-dashoffset: 0; }
.wave-area { opacity: 0; transition: opacity 1.2s ease-out 1.4s; }
.visible .wave-area { opacity: 1; }
.dash-legend { display: flex; gap: 22px; margin-top: 14px; font-size: 12px; color: var(--text-dim); }
.dash-legend i { display: inline-block; width: 18px; height: 3px; border-radius: 2px; margin-right: 7px; vertical-align: 3px; }
.dash-note { padding: 0 28px 24px; font-size: 12px; color: var(--text-dim); }

/* ============================================================
   关于我们
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.about-points { display: grid; gap: 18px; }
.about-point {
  display: flex;
  gap: 18px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 22px 24px;
  transition: border-color 0.3s, transform 0.3s;
}
.about-point:hover { border-color: rgba(34, 211, 238, 0.4); transform: translateX(6px); }
.about-point .num {
  font-family: var(--mono-stack);
  font-size: 26px;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-point h4 { font-size: 17px; margin-bottom: 5px; }
.about-point p { font-size: 13.5px; color: var(--text-sub); }
.about-visual {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(13, 25, 46, 0.8), rgba(7, 13, 26, 0.9));
  padding: 40px 36px;
  overflow: hidden;
}
.about-visual svg { width: 100%; height: auto; }
.about-visual .corner { position: absolute; width: 26px; height: 26px; border-color: var(--cyan); border-style: solid; opacity: 0.7; }
.corner.tl { top: 14px; left: 14px; border-width: 2px 0 0 2px; }
.corner.tr { top: 14px; right: 14px; border-width: 2px 2px 0 0; }
.corner.bl { bottom: 14px; left: 14px; border-width: 0 0 2px 2px; }
.corner.br { bottom: 14px; right: 14px; border-width: 0 2px 2px 0; }
.about-visual .caption { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-dim); letter-spacing: 2px; }

/* ============================================================
   联系表单与信息
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; }
.contact-info-card { border-radius: 18px; border: 1px solid var(--line-soft); background: var(--bg-card); padding: 40px 36px; }
.contact-item { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px dashed rgba(139, 163, 199, 0.15); }
.contact-item:last-child { border-bottom: none; }
.contact-item .icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.contact-item .icon svg { width: 20px; height: 20px; stroke: var(--cyan); }
.contact-item h4 { font-size: 15px; margin-bottom: 3px; }
.contact-item p { font-size: 13.5px; color: var(--text-sub); }
.contact-form { border-radius: 18px; border: 1px solid var(--line-soft); background: var(--bg-card); padding: 40px 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 8px; letter-spacing: 1px; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  background: rgba(4, 8, 15, 0.7);
  border: 1px solid rgba(139, 163, 199, 0.22);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-main);
  font-size: 14px;
  font-family: var(--font-stack);
  transition: border-color 0.3s, box-shadow 0.3s;
  appearance: none;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field select option { background: #0a1526; }
.form-submit { width: 100%; justify-content: center; }
.form-success {
  display: none;
  margin-top: 16px;
  padding: 13px 18px;
  border-radius: 10px;
  border: 1px solid rgba(74, 222, 128, 0.35);
  background: rgba(74, 222, 128, 0.08);
  color: #86efac;
  font-size: 14px;
  text-align: center;
}
.form-success.show { display: block; animation: fade-in 0.5s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ============================================================
   二级页面专用组件
   ============================================================ */
/* 特性网格（详情页能力项） */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.feature-card {
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 30px 28px;
  transition: transform 0.35s, border-color 0.35s;
}
.feature-card:hover { transform: translateY(-6px); border-color: rgba(34, 211, 238, 0.4); }
.feature-card .f-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  margin-bottom: 20px;
}
.feature-card .f-icon svg { width: 22px; height: 22px; stroke: var(--cyan); }
.feature-card h4 { font-size: 17px; margin-bottom: 9px; }
.feature-card p { font-size: 13.5px; color: var(--text-sub); }

/* 步骤列表（接入流程 / 服务流程） */
.step-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step-list.cols-5 { grid-template-columns: repeat(5, 1fr); }
.step-item {
  position: relative;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 28px 24px;
  transition: border-color 0.3s, transform 0.3s;
}
.step-item:hover { border-color: rgba(34, 211, 238, 0.4); transform: translateY(-5px); }
.step-item .step-no {
  font-family: var(--mono-stack);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 2px;
  display: inline-block;
  padding: 3px 12px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  margin-bottom: 16px;
  background: rgba(34, 211, 238, 0.06);
}
.step-item h4 { font-size: 16.5px; margin-bottom: 8px; }
.step-item p { font-size: 13px; color: var(--text-sub); }

/* 规格表（能力清单 / 技术参数） */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
}
.spec-table th, .spec-table td { padding: 16px 22px; text-align: left; font-size: 14px; }
.spec-table thead th {
  background: rgba(34, 211, 238, 0.07);
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 2px;
  font-weight: 600;
  border-bottom: 1px solid var(--line-soft);
}
.spec-table tbody tr { border-bottom: 1px solid rgba(139, 163, 199, 0.09); transition: background 0.25s; }
.spec-table tbody tr:last-child { border-bottom: none; }
.spec-table tbody tr:hover { background: rgba(34, 211, 238, 0.04); }
.spec-table td:first-child { color: var(--text-main); font-weight: 600; width: 26%; }
.spec-table td { color: var(--text-sub); }
.spec-table td code {
  font-family: var(--mono-stack);
  font-size: 12.5px;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  padding: 2px 8px;
  border-radius: 6px;
}

/* 图文双栏（详情页通用） */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .split-visual {
  border-radius: 20px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(13, 25, 46, 0.8), rgba(7, 13, 26, 0.9));
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.split .split-visual svg { width: 100%; height: auto; }
.check-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 11px 0;
  font-size: 14.5px;
  color: var(--text-sub);
  border-bottom: 1px dashed rgba(139, 163, 199, 0.12);
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: "";
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 4px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.45);
  /* 对勾用背景渐变绘制 */
  background-image: linear-gradient(45deg, transparent 46%, var(--cyan) 46%, var(--cyan) 54%, transparent 54%),
                    linear-gradient(-45deg, transparent 44%, var(--cyan) 44%, var(--cyan) 56%, transparent 56%);
  background-size: 9px 9px;
  background-position: 3px 6px, 7px 3px;
  background-repeat: no-repeat;
  background-color: rgba(34, 211, 238, 0.1);
}

/* FAQ 折叠 */
.faq-item {
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: var(--bg-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: rgba(34, 211, 238, 0.4); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 26px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 15.5px;
  font-weight: 600;
  font-family: var(--font-stack);
  text-align: left;
  cursor: pointer;
}
.faq-q .arrow {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.4);
  position: relative;
  transition: transform 0.3s, background 0.3s;
}
.faq-q .arrow::before, .faq-q .arrow::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 9px; height: 1.6px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform 0.3s;
}
.faq-q .arrow::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item.open .faq-q .arrow { background: rgba(34, 211, 238, 0.12); }
.faq-item.open .faq-q .arrow::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.faq-a p { padding: 0 26px 22px; font-size: 14px; color: var(--text-sub); }

/* 底部 CTA 横带 */
.cta-band {
  position: relative;
  border-radius: 24px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background:
    radial-gradient(ellipse 70% 90% at 50% 110%, rgba(34, 211, 238, 0.16), transparent 65%),
    linear-gradient(150deg, rgba(13, 25, 46, 0.9), rgba(7, 13, 26, 0.95));
  padding: 64px 8%;
  text-align: center;
  overflow: hidden;
}
.cta-band h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 800; letter-spacing: 1px; }
.cta-band p { color: var(--text-sub); margin: 16px auto 34px; max-width: 560px; font-size: 15.5px; }
.cta-band .hero-actions { justify-content: center; }

/* 相关页面导航（详情页底部跳转其他页面） */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-card {
  display: flex;
  align-items: center;
  gap: 18px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 24px 26px;
  transition: border-color 0.3s, transform 0.3s;
}
.rel-card:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-5px); }
.rel-card .r-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.rel-card .r-icon svg { width: 22px; height: 22px; stroke: var(--cyan); }
.rel-card h4 { font-size: 16px; }
.rel-card small { display: block; font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.rel-card .go { margin-left: auto; color: var(--cyan); flex-shrink: 0; }
.rel-card .go svg { width: 16px; height: 16px; transition: transform 0.3s; }
.rel-card:hover .go svg { transform: translateX(4px); }

/* ============================================================
   页脚
   ============================================================ */
.footer { border-top: 1px solid var(--line-soft); background: rgba(4, 8, 15, 0.85); padding: 60px 0 30px; position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 46px; }
.footer h5 { font-size: 15px; margin-bottom: 20px; color: var(--text-main); letter-spacing: 1px; }
.footer p, .footer li { font-size: 13.5px; color: var(--text-dim); }
.footer li { padding: 5px 0; }
.footer li a:hover { color: var(--cyan); }
.footer-brand p { margin-top: 16px; max-width: 300px; line-height: 1.8; }
.footer-bottom {
  border-top: 1px solid rgba(139, 163, 199, 0.1);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-dim);
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .dispatch-panel { max-width: 560px; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-chips { justify-content: flex-start; }
  .biz-grid, .scene-grid, .feature-grid, .rel-grid { grid-template-columns: 1fr 1fr; }
  .step-list, .step-list.cols-5 { grid-template-columns: repeat(2, 1fr); }
  .flow-wrap { grid-template-columns: repeat(2, 1fr); gap: 34px 18px; }
  .flow-wrap::before { display: none; }
  .about-grid, .contact-grid, .split { grid-template-columns: 1fr; gap: 40px; }
  .dashboard-body { grid-template-columns: 1fr; }
  .dash-left { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 76px 0; }
  .nav-links, .nav-cta { display: none; }
  .burger { display: block; }
  /* 移动端展开菜单（一级纵向排列 + 下拉平铺） */
  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(4, 8, 15, 0.97);
    border-bottom: 1px solid var(--line-soft);
    padding: 16px 5%;
    gap: 2px;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }
  .nav-links.open > li > a, .nav-links.open > li > span { padding: 13px 0; font-size: 16px; }
  .nav-links.open .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(13, 25, 46, 0.5);
    margin: 4px 0 10px;
    min-width: 0;
  }
  .nav-links.open .dropdown a { padding: 9px 14px; }
  .nav-links .has-drop > a::after, .nav-links .has-drop > span::after { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item + .stat-item::before { display: none; }
  .biz-grid, .scene-grid, .tech-grid, .flow-wrap, .form-row,
  .feature-grid, .feature-grid.cols-2, .step-list, .step-list.cols-5, .rel-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 104px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .spec-table th, .spec-table td { padding: 12px 14px; font-size: 13px; }
  .spec-table td:first-child { width: 34%; }
  .cta-band { padding: 48px 6%; }
}

/* 减少动效偏好（无障碍） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============================================================
   二级页差异化布局组件（v1.1.0 多页化改造追加）
   ============================================================ */

/* ---------- 全宽视觉带：整幅 SVG 横贯页面 ---------- */
.visual-band {
  position: relative;
  border-radius: 22px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(10, 21, 38, 0.9), rgba(7, 13, 26, 0.95));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  padding: 44px 40px;
  overflow: hidden;
}
.visual-band svg { width: 100%; height: auto; }
.visual-band .caption { text-align: center; margin-top: 20px; font-size: 13px; color: var(--text-dim); letter-spacing: 2px; }

/* ---------- 不对称特性网格：一张主卡 + 多张副卡 ---------- */
.feature-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 22px; }
.feature-split .feature-lead {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(34, 211, 238, 0.1), transparent 60%),
    var(--bg-card);
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
}
.feature-lead::after {
  content: "";
  position: absolute;
  right: -60px; bottom: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.15);
}
.feature-lead::before {
  content: "";
  position: absolute;
  right: -20px; bottom: -20px;
  width: 120px; height: 120px;
  border-radius: 50%;
  border: 1px dashed rgba(34, 211, 238, 0.2);
}
.feature-lead .f-icon { width: 60px; height: 60px; }
.feature-lead .f-icon svg { width: 30px; height: 30px; }
.feature-lead h4 { font-size: 24px; margin-bottom: 14px; }
.feature-lead p { font-size: 15px; line-height: 1.8; }
.feature-lead .lead-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.feature-lead .lead-tags span {
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.06);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- 横向流程管道：步骤卡 + 箭头连接 ---------- */
.pipe-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; align-items: stretch; }
.pipe-flow.cols-5 { grid-template-columns: repeat(5, 1fr); }
.pipe-step {
  position: relative;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 26px 22px;
  margin-right: 34px; /* 给箭头留位 */
  transition: border-color 0.3s, transform 0.3s;
}
.pipe-step:last-child { margin-right: 0; }
.pipe-step:hover { border-color: rgba(34, 211, 238, 0.4); transform: translateY(-4px); }
.pipe-step::after { /* 连接箭头 */
  content: "";
  position: absolute;
  right: -27px; top: 50%;
  width: 20px; height: 2px;
  background: linear-gradient(90deg, rgba(34,211,238,0.6), rgba(59,130,246,0.6));
  transform: translateY(-50%);
}
.pipe-step::before { /* 箭头头部 */
  content: "";
  position: absolute;
  right: -25px; top: 50%;
  border-left: 7px solid rgba(59,130,246,0.7);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform: translateY(-50%);
  z-index: 1;
}
.pipe-step:last-child::after, .pipe-step:last-child::before { display: none; }
.pipe-step .pipe-no {
  font-family: var(--mono-stack);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--cyan);
  display: inline-block;
  padding: 3px 11px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  margin-bottom: 14px;
  background: rgba(34, 211, 238, 0.06);
}
.pipe-step h4 { font-size: 16px; margin-bottom: 7px; }
.pipe-step p { font-size: 12.5px; color: var(--text-sub); line-height: 1.65; }

/* ---------- 终端窗口：API 接入流程（开发者风） ---------- */
.term-window {
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(4, 8, 15, 0.92);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.term-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(13, 25, 46, 0.6);
}
.term-titlebar i { width: 11px; height: 11px; border-radius: 50%; }
.term-titlebar i:nth-child(1) { background: #f87171; }
.term-titlebar i:nth-child(2) { background: #fbbf24; }
.term-titlebar i:nth-child(3) { background: #4ade80; }
.term-titlebar span { margin-left: 8px; font-size: 12px; color: var(--text-dim); font-family: var(--mono-stack); letter-spacing: 1px; }
.term-body { padding: 24px 26px; font-family: var(--mono-stack); font-size: 13.5px; line-height: 2.1; }
.term-line { display: flex; gap: 12px; align-items: baseline; }
.term-line .prompt { color: var(--green); flex-shrink: 0; }
.term-line .cmd { color: var(--text-main); }
.term-line .cmd em { color: var(--cyan); font-style: normal; }
.term-line .note { color: var(--text-dim); font-size: 12px; font-family: var(--font-stack); margin-left: auto; flex-shrink: 0; padding-left: 16px; }
.term-comment { color: var(--text-dim); font-size: 12.5px; }

/* ---------- API 接口卡片 ---------- */
.api-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.api-card {
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 26px 26px 24px;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.api-card:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-5px); }
.api-card .api-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.method-badge {
  font-family: var(--mono-stack);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 6px;
  flex-shrink: 0;
}
.method-badge.post { color: #86efac; background: rgba(74, 222, 128, 0.12); border: 1px solid rgba(74, 222, 128, 0.35); }
.method-badge.get { color: #93c5fd; background: rgba(59, 130, 246, 0.12); border: 1px solid rgba(59, 130, 246, 0.35); }
.method-badge.put { color: #fcd34d; background: rgba(251, 191, 36, 0.12); border: 1px solid rgba(251, 191, 36, 0.35); }
.api-card .api-path {
  font-family: var(--mono-stack);
  font-size: 12.5px;
  color: var(--cyan);
  word-break: break-all;
}
.api-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.api-card p { font-size: 13px; color: var(--text-sub); }
.api-card .api-use {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(139, 163, 199, 0.14);
  font-size: 12px;
  color: var(--text-dim);
}
.api-card .api-use b { color: var(--text-sub); font-weight: 500; }

/* ---------- 服务模式对比卡（三列） ---------- */
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mode-card {
  border-radius: 18px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}
.mode-card:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-6px); }
.mode-card.featured {
  border-color: rgba(34, 211, 238, 0.45);
  background:
    radial-gradient(ellipse 90% 50% at 50% 0%, rgba(34, 211, 238, 0.1), transparent 60%),
    var(--bg-card);
}
.mode-card .mode-no {
  font-family: var(--mono-stack);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.mode-card h3 { font-size: 21px; margin-bottom: 6px; }
.mode-card .mode-sub { font-size: 12.5px; color: var(--cyan); letter-spacing: 1px; margin-bottom: 20px; }
.mode-card .mode-desc { font-size: 13.5px; color: var(--text-sub); margin-bottom: 22px; flex: 1; }
.mode-card .mode-fit {
  border-top: 1px dashed rgba(139, 163, 199, 0.16);
  padding-top: 16px;
  font-size: 12.5px;
  color: var(--text-dim);
}
.mode-card .mode-fit b { display: block; color: var(--text-sub); font-weight: 500; margin-bottom: 5px; font-size: 12px; letter-spacing: 1px; }

/* ---------- 纵向时间线（履约之旅 / 关键时刻） ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 10px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(34,211,238,0.6), rgba(59,130,246,0.5), rgba(34,211,238,0.1));
}
.timeline-item { position: relative; padding: 0 0 38px 22px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { /* 节点圆点 */
  content: "";
  position: absolute;
  left: -30px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #0a1526;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}
.timeline-item .t-time {
  font-family: var(--mono-stack);
  font-size: 12.5px;
  color: var(--cyan);
  letter-spacing: 1px;
  display: inline-block;
  padding: 2px 11px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.06);
  margin-bottom: 10px;
}
.timeline-item h4 { font-size: 17.5px; margin-bottom: 7px; }
.timeline-item p { font-size: 13.5px; color: var(--text-sub); max-width: 620px; }

/* ---------- 时段热力条（需求波动） ---------- */
.heat-strip {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 8px;
  align-items: end;
  padding: 30px 26px 20px;
  border-radius: 18px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
}
.heat-cell { text-align: center; }
.heat-cell .bar {
  width: 100%;
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, rgba(34,211,238,0.85), rgba(59,130,246,0.5));
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.25);
  transition: height 1s cubic-bezier(0.22, 1, 0.36, 1), filter 0.3s;
  height: 0;
}
.heat-cell.peak .bar {
  background: linear-gradient(180deg, rgba(251,191,36,0.95), rgba(249,115,22,0.55));
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.35);
}
.heat-cell .bar:hover { filter: brightness(1.35); }
.heat-cell .t-label { font-family: var(--mono-stack); font-size: 10.5px; color: var(--text-dim); margin-top: 9px; }
.heat-legend { display: flex; gap: 22px; margin-top: 16px; font-size: 12px; color: var(--text-dim); flex-wrap: wrap; }
.heat-legend i { display: inline-block; width: 14px; height: 10px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; }

/* ---------- 24 小时热力格（同城页） ---------- */
.heat-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 7px; }
.heat-grid .cell {
  aspect-ratio: 1.35 / 1;
  border-radius: 7px;
  border: 1px solid var(--line-soft);
  background: rgba(139, 163, 199, 0.06);
  display: grid;
  place-items: center;
  font-family: var(--mono-stack);
  font-size: 10px;
  color: var(--text-dim);
  transition: transform 0.25s, border-color 0.25s;
  cursor: default;
}
.heat-grid .cell:hover { transform: scale(1.12); border-color: var(--cyan); z-index: 1; }
.heat-grid .cell.lv1 { background: rgba(34, 211, 238, 0.14); border-color: rgba(34, 211, 238, 0.3); color: #a5f3fc; }
.heat-grid .cell.lv2 { background: rgba(34, 211, 238, 0.3); border-color: rgba(34, 211, 238, 0.45); color: #cffafe; }
.heat-grid .cell.lv3 { background: rgba(59, 130, 246, 0.4); border-color: rgba(59, 130, 246, 0.55); color: #dbeafe; }
.heat-grid .cell.lv4 { background: rgba(251, 191, 36, 0.42); border-color: rgba(251, 191, 36, 0.6); color: #fef3c7; }
.heat-grid .cell.lv5 { background: rgba(249, 115, 22, 0.5); border-color: rgba(249, 115, 22, 0.65); color: #ffedd5; }

/* ---------- 急单优先队列可视化 ---------- */
.queue-panel {
  border-radius: 18px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 34px 32px;
}
.queue-row { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.queue-row .q-label { width: 74px; flex-shrink: 0; font-size: 12.5px; color: var(--text-dim); text-align: right; }
.queue-track {
  flex: 1;
  display: flex;
  gap: 8px;
  align-items: center;
  min-height: 34px;
}
.q-chip {
  font-size: 12px;
  padding: 6px 13px;
  border-radius: 8px;
  border: 1px solid rgba(139, 163, 199, 0.3);
  background: rgba(139, 163, 199, 0.08);
  color: var(--text-sub);
  white-space: nowrap;
  animation: q-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.q-chip.urgent {
  border-color: rgba(251, 191, 36, 0.55);
  background: rgba(251, 191, 36, 0.14);
  color: #fde68a;
  box-shadow: 0 0 14px rgba(251, 191, 36, 0.25);
  animation: q-urgent-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.q-chip.done {
  border-color: rgba(74, 222, 128, 0.4);
  background: rgba(74, 222, 128, 0.1);
  color: #86efac;
  opacity: 0.75;
}
@keyframes q-in { from { opacity: 0; transform: translateX(-14px); } to { opacity: 1; transform: none; } }
@keyframes q-urgent-in { from { opacity: 0; transform: translateX(-40px) scale(0.8); } to { opacity: 1; transform: none; } }
.queue-note { font-size: 12px; color: var(--text-dim); margin-top: 16px; }

/* ---------- 前后对比双栏（人工 vs AI / 优化前 vs 优化后） ---------- */
.vs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vs-card { border-radius: 18px; padding: 34px 32px; border: 1px solid var(--line-soft); background: var(--bg-card); }
.vs-card.old { opacity: 0.82; }
.vs-card.new {
  border-color: rgba(34, 211, 238, 0.4);
  background:
    radial-gradient(ellipse 90% 55% at 50% 0%, rgba(34, 211, 238, 0.1), transparent 60%),
    var(--bg-card);
}
.vs-card .vs-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.vs-card.old .vs-tag { color: var(--text-dim); border: 1px solid rgba(139, 163, 199, 0.3); }
.vs-card.new .vs-tag { color: var(--cyan); border: 1px solid rgba(34, 211, 238, 0.4); background: rgba(34, 211, 238, 0.06); }
.vs-card h3 { font-size: 21px; margin-bottom: 18px; }
.vs-card ul li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 13.5px;
  color: var(--text-sub);
  padding: 8px 0;
}
.vs-card ul li::before { content: "·"; color: var(--text-dim); font-weight: 700; }
.vs-card.new ul li::before { content: "✓"; color: var(--cyan); font-size: 12px; margin-top: 2px; }

/* ---------- 咨询流程横条（联系页） ---------- */
.flow-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flow-strip .fs-item {
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.flow-strip .fs-no {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono-stack);
  font-weight: 700;
  font-size: 14px;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.4);
  background: rgba(34, 211, 238, 0.06);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.15);
}
.flow-strip h4 { font-size: 14.5px; margin-bottom: 2px; }
.flow-strip p { font-size: 12px; color: var(--text-dim); }

/* ---------- 能力版图（关于页三层结构） ---------- */
.arch-layers { display: grid; gap: 14px; }
.arch-layer {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  align-items: center;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-card);
  padding: 24px 28px;
  transition: border-color 0.3s;
}
.arch-layer:hover { border-color: rgba(34, 211, 238, 0.4); }
.arch-layer .al-name { font-size: 16.5px; font-weight: 700; }
.arch-layer .al-name small { display: block; font-size: 11px; color: var(--text-dim); font-family: var(--mono-stack); letter-spacing: 2px; font-weight: 400; margin-top: 3px; }
.arch-layer .al-items { display: flex; flex-wrap: wrap; gap: 9px; }
.arch-layer .al-items span {
  font-size: 12.5px;
  color: var(--text-sub);
  border: 1px solid var(--line-soft);
  background: rgba(4, 8, 15, 0.5);
  padding: 5px 13px;
  border-radius: 8px;
  transition: border-color 0.25s, color 0.25s;
}
.arch-layer .al-items span:hover { border-color: rgba(34, 211, 238, 0.45); color: var(--cyan); }
.arch-layer.layer-core { border-color: rgba(34, 211, 238, 0.35); background: radial-gradient(ellipse 60% 90% at 8% 50%, rgba(34, 211, 238, 0.09), transparent 60%), var(--bg-card); }

/* ---------- 差异化组件响应式 ---------- */
@media (max-width: 1024px) {
  .feature-split { grid-template-columns: 1fr; }
  .feature-split .feature-lead { grid-row: auto; }
  .pipe-flow, .pipe-flow.cols-5 { grid-template-columns: repeat(2, 1fr); gap: 30px 34px; }
  .pipe-step { margin-right: 34px; }
  .pipe-step:nth-child(2n) { margin-right: 0; }
  .pipe-step:nth-child(2n)::after, .pipe-step:nth-child(2n)::before { display: none; }
  .api-grid, .mode-grid { grid-template-columns: 1fr 1fr; }
  .vs-grid { grid-template-columns: 1fr; }
  .heat-strip { grid-template-columns: repeat(6, 1fr); }
  .heat-grid { grid-template-columns: repeat(8, 1fr); }
  .arch-layer { grid-template-columns: 1fr; gap: 14px; }
  .flow-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .pipe-flow, .pipe-flow.cols-5 { grid-template-columns: 1fr; gap: 20px; }
  .pipe-step { margin-right: 0; }
  .pipe-step::after, .pipe-step::before { display: none !important; }
  .api-grid, .mode-grid, .flow-strip { grid-template-columns: 1fr; }
  .heat-strip { grid-template-columns: repeat(4, 1fr); }
  .heat-grid { grid-template-columns: repeat(6, 1fr); }
  .queue-row { flex-direction: column; align-items: stretch; gap: 6px; }
  .queue-row .q-label { text-align: left; width: auto; }
  .visual-band { padding: 30px 20px; }
  .term-body { font-size: 12px; padding: 18px 14px; }
  .term-line .note { display: none; }
}