/* ============================================================
   多园区远程集中值守平台 · 营销官网设计系统
   品牌：深圳市常乐通讯有限公司
   ============================================================ */

:root {
  /* 主色：深海蓝 + 科技青 */
  --navy-900: #070f2b;
  --navy-800: #0b1b45;
  --navy-700: #12306e;
  --blue-600: #1e5eff;
  --blue-500: #2b7fff;
  --cyan-400: #35c2f4;
  --cyan-300: #67d6f8;

  /* 中性色 */
  --ink-900: #0f1c33;
  --ink-700: #33415c;
  --ink-500: #5b6a85;
  --ink-400: #8493ad;
  --line: #e3eaf5;
  --bg-soft: #f4f7fc;
  --bg-tint: #eef4ff;
  --white: #ffffff;

  /* 语义色 */
  --green: #16b884;
  --orange: #ff8a3d;
  --red: #f0564f;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 34px rgba(18, 48, 110, 0.09);
  --shadow-hover: 0 18px 46px rgba(18, 48, 110, 0.16);
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-900);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 通用区块 ========== */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.bg-soft { background: var(--bg-soft); }
.bg-tint { background: var(--bg-tint); }
.bg-navy { background: linear-gradient(160deg, var(--navy-900), var(--navy-700)); color: #dbe7ff; }

.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.bg-navy .section-head .eyebrow { color: var(--cyan-300); }
.section-head h2 {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 16px;
}
.bg-navy .section-head h2 { color: #fff; }
.section-head p { font-size: 17px; color: var(--ink-500); }
.bg-navy .section-head p { color: #a9bde4; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background .22s, color .22s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--blue-500), var(--blue-600));
  color: #fff;
  box-shadow: 0 10px 26px rgba(30, 94, 255, .32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(30, 94, 255, .42); }
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.45);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.22); transform: translateY(-2px); }
.btn-outline {
  background: #fff;
  color: var(--blue-600);
  border-color: var(--blue-500);
}
.btn-outline:hover { background: var(--bg-tint); transform: translateY(-2px); }
.btn-lg { padding: 17px 40px; font-size: 17px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ========== 顶部导航 ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background .3s, box-shadow .3s, padding .3s;
  padding: 20px 0;
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(11,27,69,.08);
  padding: 12px 0;
}
.site-header.on-hero:not(.scrolled) .brand,
.site-header.on-hero:not(.scrolled) .nav-links a { color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 19px; color: var(--ink-900); }
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  display: grid; place-items: center;
  color: #fff; flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(30,94,255,.35);
}
.brand-sub { display: block; font-size: 11px; font-weight: 500; color: var(--ink-400); letter-spacing: 1px; }
.on-hero:not(.scrolled) .brand-sub { color: rgba(255,255,255,.7); }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink-700);
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--blue-500);
  border-radius: 2px;
  transition: width .25s;
}
.nav-links a:hover { color: var(--blue-600); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--blue-600); }
.on-hero:not(.scrolled) .nav-links a:hover,
.on-hero:not(.scrolled) .nav-links a.active { color: var(--cyan-300); }
.on-hero:not(.scrolled) .nav-links a::after { background: var(--cyan-300); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 10px 22px; font-size: 14.5px; }
.on-hero:not(.scrolled) .nav-cta .btn-outline {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.6);
}
.on-hero:not(.scrolled) .nav-cta .btn-outline:hover { background: rgba(255,255,255,.15); }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 42px; height: 42px;
  color: inherit;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: currentColor; margin: 5px auto;
  transition: .3s; border-radius: 2px;
}

/* ========== 首屏 Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
  background: var(--navy-900);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .34; }
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(7,15,43,.95) 0%, rgba(7,15,43,.72) 48%, rgba(7,15,43,.4) 100%),
    radial-gradient(60% 60% at 80% 20%, rgba(53,194,244,.18), transparent 70%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(53,194,244,.12);
  border: 1px solid rgba(53,194,244,.35);
  color: var(--cyan-300);
  font-size: 14px; font-weight: 500;
  margin-bottom: 26px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(22,184,132,.22); }
.hero h1 {
  color: #fff;
  font-size: 52px;
  line-height: 1.22;
  font-weight: 800;
  margin-bottom: 22px;
  letter-spacing: 1px;
}
.hero h1 .accent {
  background: linear-gradient(100deg, var(--cyan-300), #8fd0ff);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 21px;
  color: #b9cdf5;
  font-weight: 500;
  margin-bottom: 14px;
}
.hero-sub strong { color: #fff; font-weight: 700; }
.hero-lead { font-size: 16.5px; color: #93a9d6; max-width: 560px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }

.hero-stats { display: flex; gap: 44px; flex-wrap: wrap; }
.hero-stats .stat .num {
  font-size: 34px; font-weight: 800; color: #fff; line-height: 1.1;
}
.hero-stats .stat .num em { font-style: normal; color: var(--cyan-300); font-size: 22px; }
.hero-stats .stat .label { font-size: 14px; color: #93a9d6; margin-top: 4px; }

.hero-visual { position: relative; }
.hero-visual .frame {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(120,170,255,.25);
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.hero-visual .float-card {
  position: absolute;
  background: rgba(13,30,72,.82);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(120,170,255,.22);
  border-radius: 14px;
  padding: 14px 18px;
  color: #dce8ff; font-size: 13.5px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 14px 36px rgba(0,0,0,.35);
  animation: floaty 4s ease-in-out infinite;
}
.hero-visual .float-card .ic {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
}
.hero-visual .float-card strong { color: #fff; font-size: 15px; display: block; }
.hero-visual .fc-1 { top: -22px; left: -30px; }
.hero-visual .fc-2 { bottom: -24px; right: -20px; animation-delay: 1.4s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ========== 核心价值 ========== */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.value-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.value-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: #c8d9f7; }
.value-icon {
  width: 58px; height: 58px; border-radius: 15px;
  display: grid; place-items: center;
  margin-bottom: 20px;
}
.vi-1 { background: linear-gradient(135deg,#e5f1ff,#d2e6ff); color: var(--blue-600); }
.vi-2 { background: #e2f8f0; color: var(--green); }
.vi-3 { background: #e6f7fd; color: #0e96c6; }
.vi-4 { background: #fff0e6; color: var(--orange); }
.vi-5 { background: #fde8e8; color: #e02424; }
.vi-6 { background: #f0e9ff; color: #7c3aed; }
.value-card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 700; }
.value-card p { font-size: 14.5px; color: var(--ink-500); }

/* ========== 九宫格功能 ========== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-400));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.feature-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-no {
  font-size: 14px; font-weight: 700; color: var(--blue-500);
  background: var(--bg-tint);
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--ink-500); }

/* ========== 业务流程 ========== */
.flow-block { margin-bottom: 58px; }
.flow-block:last-child { margin-bottom: 0; }
.flow-title {
  text-align: center; font-size: 22px; font-weight: 700; margin-bottom: 36px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
}
.flow-title .tag {
  font-size: 13px; font-weight: 600; color: #fff;
  padding: 5px 14px; border-radius: 999px;
}
.tag-car { background: linear-gradient(100deg,#1e5eff,#35c2f4); }
.tag-person { background: linear-gradient(100deg,#16b884,#35c2a4); }
.tag-sos { background: linear-gradient(100deg,#ff7a18,#ff3d3d); }

.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow-step { text-align: center; padding: 0 14px; }
.flow-step .circle {
  width: 66px; height: 66px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  background: #fff;
  border: 2px solid #c9dcff;
  color: var(--blue-600);
  position: relative; z-index: 2;
  transition: .25s;
}
.flow-step:hover .circle { background: var(--blue-600); color: #fff; border-color: var(--blue-600); transform: scale(1.08); }
.flow-step h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.flow-step p { font-size: 13px; color: var(--ink-500); }
.flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 33px; right: -14px;
  width: 28px; height: 2px;
  background: #c9dcff;
  z-index: 1;
}
.flow-step:not(:last-child) .circle::after {
  content: '→';
  position: absolute;
  right: -26px; top: 50%; transform: translateY(-50%);
  color: #9fbcf0; font-size: 17px; z-index: 3;
}

/* ========== 应用场景 ========== */
.scene-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 18px; }
.scene-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 10px;
  text-align: center;
  transition: .25s;
}
.scene-item:hover { border-color: var(--blue-500); box-shadow: var(--shadow-card); transform: translateY(-5px); }
.scene-item .ic { color: var(--blue-600); margin-bottom: 12px; }
.scene-item span { font-size: 14.5px; font-weight: 600; color: var(--ink-700); }

/* ========== 技术优势 ========== */
.tech-wrap { display: grid; grid-template-columns: .95fr 1.05fr; gap: 60px; align-items: center; }
.tech-visual { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.tech-list li {
  display: flex; gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(219,231,255,.25);
}
.tech-list li:last-child { border-bottom: none; }
.tech-ico {
  flex-shrink: 0;
  width: 48px; height: 48px; border-radius: 13px;
  background: rgba(53,194,244,.14);
  border: 1px solid rgba(53,194,244,.3);
  display: grid; place-items: center;
  color: var(--cyan-300);
}
.tech-list h4 { font-size: 18px; color: #fff; margin-bottom: 5px; font-weight: 700; }
.tech-list p { font-size: 14.5px; color: #a9bde4; }

/* ========== 招商专区 ========== */
.invest-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.invest-points li {
  display: flex; gap: 15px; align-items: flex-start;
  padding: 15px 0;
  font-size: 16px;
}
.invest-points .check {
  flex-shrink: 0;
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg,var(--green),#2fce9c);
  color: #fff; display: grid; place-items: center; margin-top: 3px;
}
.invest-points strong { font-weight: 700; color: var(--ink-900); }
.invest-points p { color: var(--ink-500); font-size: 14.5px; margin-top: 2px; }
.invest-visual { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }

.invest-modes { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 50px; }
.mode-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 26px; text-align: center; transition: .25s;
}
.mode-card:hover { border-color: var(--blue-500); box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.mode-card .ic { width: 56px;height:56px;border-radius:15px;background:var(--bg-tint);color:var(--blue-600);display:grid;place-items:center;margin:0 auto 16px; }
.mode-card h4 { font-size: 17.5px; margin-bottom: 8px; }
.mode-card p { font-size: 14px; color: var(--ink-500); }

/* ========== FAQ ========== */
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item.open { border-color: #bcd3ff; box-shadow: var(--shadow-card); }
.faq-q {
  width: 100%;
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 22px 28px;
  font-size: 16.5px; font-weight: 600; color: var(--ink-900);
  text-align: left;
  font-family: inherit;
}
.faq-q .chev {
  flex-shrink: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-tint); color: var(--blue-600);
  display: grid; place-items: center;
  transition: transform .3s, background .3s, color .3s;
}
.faq-item.open .chev { transform: rotate(180deg); background: var(--blue-600); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 28px 24px; color: var(--ink-500); font-size: 15.5px; }

/* ========== 转化 CTA 横幅 ========== */
.cta-band {
  position: relative;
  border-radius: 24px;
  padding: 64px 60px;
  text-align: center;
  background: linear-gradient(120deg, var(--navy-800), var(--navy-700) 55%, #1a4ba8);
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(45% 90% at 12% 10%, rgba(53,194,244,.25), transparent 60%);
}
.cta-band h2 { color: #fff; font-size: 32px; margin-bottom: 14px; position: relative; }
.cta-band p { color: #b9cdf5; font-size: 17px; margin-bottom: 34px; position: relative; }
.cta-band .actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ========== 子页 Banner ========== */
.page-hero {
  position: relative;
  padding: 170px 0 90px;
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700) 80%);
  text-align: center;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; right: -120px; top: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(53,194,244,.22), transparent 65%);
}
.page-hero::before {
  content: '';
  position: absolute; left: -100px; bottom: -140px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(30,94,255,.28), transparent 65%);
}
.page-hero h1 { color: #fff; font-size: 42px; font-weight: 800; margin-bottom: 16px; position: relative; }
.page-hero p { color: #b9cdf5; font-size: 18px; max-width: 680px; margin: 0 auto; position: relative; }
.breadcrumb { font-size: 14px; color: #93a9d6; margin-bottom: 20px; position: relative; }
.breadcrumb a:hover { color: var(--cyan-300); }

/* ========== 产品页 ========== */
.pfeat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.pfeat-row.reverse .pfeat-media { order: 2; }
.pfeat-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.pfeat-body .idx { font-size: 14px; font-weight: 700; color: var(--blue-600); letter-spacing: 2px; margin-bottom: 12px; display:block; }
.pfeat-body h3 { font-size: 28px; margin-bottom: 16px; font-weight: 700; }
.pfeat-body > p { color: var(--ink-500); margin-bottom: 22px; }
.pfeat-list li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; color: var(--ink-700); font-size: 15.5px; }
.pfeat-list .check { color: var(--green); flex-shrink: 0; margin-top: 3px; }

/* ========== 解决方案页 ========== */
.sol-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.sol-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: .25s; display: flex; flex-direction: column;
}
.sol-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-7px); }
.sol-card .media { height: 220px; overflow: hidden; }
.sol-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.sol-card:hover .media img { transform: scale(1.06); }
.sol-card .body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.sol-card h3 { font-size: 21px; margin-bottom: 10px; }
.sol-card .body > p { color: var(--ink-500); font-size: 14.5px; margin-bottom: 18px; flex: 1; }
.sol-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-meta span { font-size: 12.5px; background: var(--bg-tint); color: var(--blue-600); padding: 4px 12px; border-radius: 999px; font-weight: 500; }

.pain-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.pain-card { background: #fff; border-radius: var(--radius-md); padding: 26px; border-top: 3px solid var(--blue-500); box-shadow: var(--shadow-card); }
.pain-card .ic { color: var(--red); margin-bottom: 12px; }
.pain-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.pain-card p { font-size: 14px; color: var(--ink-500); }

/* ========== 案例页 ========== */
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: .25s;
}
.case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-7px); }
.case-card .media { position: relative; height: 210px; }
.case-card .media img { width: 100%; height: 100%; object-fit: cover; }
.case-card .cat-tag {
  position: absolute; left: 16px; top: 16px;
  background: rgba(7,15,43,.72); backdrop-filter: blur(6px);
  color: #fff; font-size: 12.5px; padding: 5px 13px; border-radius: 999px;
}
.case-card .body { padding: 24px; }
.case-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.case-card .desc { color: var(--ink-500); font-size: 14px; margin-bottom: 16px; }
.case-metrics { display: flex; gap: 20px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-metrics div { flex: 1; text-align: center; }
.case-metrics .v { font-size: 20px; font-weight: 800; color: var(--blue-600); }
.case-metrics .l { font-size: 12px; color: var(--ink-400); }

/* ========== 招商政策表 ========== */
.policy-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.policy-table th, .policy-table td { padding: 18px 24px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
.policy-table thead { background: var(--navy-800); color: #fff; }
.policy-table th { font-weight: 600; }
.policy-table tbody tr:hover { background: var(--bg-tint); }
.policy-table .tier { font-weight: 700; color: var(--blue-600); }

.deliver-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.deliver-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 28px 24px; text-align: center; transition: .25s; }
.deliver-card:hover { border-color: var(--blue-500); transform: translateY(-5px); box-shadow: var(--shadow-card); }
.deliver-card .ic { color: var(--blue-600); margin: 0 auto 14px; }
.deliver-card h4 { font-size: 16px; margin-bottom: 7px; }
.deliver-card p { font-size: 13.5px; color: var(--ink-500); }

/* ========== 联系页 ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.contact-cards { display: grid; gap: 18px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 24px 26px; display: flex; gap: 18px; align-items: center;
  transition: .25s;
}
.contact-card:hover { box-shadow: var(--shadow-card); border-color: #c8d9f7; }
.contact-card .ic { width: 52px; height: 52px; border-radius: 14px; background: var(--bg-tint); color: var(--blue-600); display: grid; place-items: center; flex-shrink: 0; }
.contact-card h4 { font-size: 15px; color: var(--ink-400); margin-bottom: 4px; font-weight: 500; }
.contact-card .v { font-size: 18px; font-weight: 700; }
.contact-card .v a:hover { color: var(--blue-600); }
.contact-card .sub { font-size: 13px; color: var(--ink-400); }

.contact-form {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-card);
}
.contact-form h3 { font-size: 24px; margin-bottom: 8px; }
.contact-form .f-desc { color: var(--ink-500); font-size: 14.5px; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--ink-700); }
.form-group label .req { color: var(--red); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 15px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; color: var(--ink-900);
  transition: border-color .2s, box-shadow .2s;
  background: #fbfdff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(43,127,255,.12); background: #fff;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--ink-400); margin-top: 10px; text-align: center; }
.form-success {
  display: none;
  text-align: center; padding: 50px 20px;
}
.form-success.show { display: block; }
.form-success .ic { width: 70px; height: 70px; border-radius: 50%; background: #e2f8f0; color: var(--green); display: grid; place-items: center; margin: 0 auto 20px; }
.form-success h4 { font-size: 21px; margin-bottom: 10px; }
.form-success p { color: var(--ink-500); font-size: 15px; }

.map-embed {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.map-embed .map-placeholder {
  padding: 70px 30px; text-align: center; color: var(--ink-500);
}
.map-embed .map-placeholder .ic { color: var(--blue-600); margin-bottom: 14px; }
.map-embed a.txtlink { color: var(--blue-600); font-weight: 600; }

/* ========== 页脚 ========== */
.site-footer {
  background: #060d24;
  color: #9db0d4;
  padding: 72px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 44px; padding-bottom: 52px; }
.footer-brand .brand { color: #fff; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; font-weight: 600; }
.footer-col ul li { margin-bottom: 11px; font-size: 14.5px; }
.footer-col ul li a:hover { color: var(--cyan-300); }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 14px; font-size: 14px; }
.footer-contact .ic { color: var(--cyan-300); flex-shrink: 0; margin-top: 3px; }
.footer-contact a:hover { color: var(--cyan-300); }

.footer-bottom {
  border-top: 1px solid rgba(157,176,212,.14);
  padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
}
.footer-bottom a:hover { color: var(--cyan-300); }
.footer-bottom .icp { display: flex; gap: 18px; flex-wrap: wrap; }

/* ========== 悬浮咨询条 ========== */
.float-contact {
  position: fixed; right: 20px; bottom: 84px; z-index: 900;
  display: flex; flex-direction: column; gap: 10px;
}
.float-contact a {
  width: 52px; height: 52px; border-radius: 50%;
  background: #fff; box-shadow: 0 8px 24px rgba(11,27,69,.18);
  display: grid; place-items: center;
  transition: transform .2s;
}
.float-contact a:hover { transform: scale(1.1); }
.float-contact .fc-phone { background: linear-gradient(135deg,var(--blue-500),var(--blue-600)); color: #fff; }
.float-contact .fc-qq { color: #12b7f5; position: relative; }
.float-contact .tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%);
  background: var(--navy-800); color: #fff; font-size: 13px;
  padding: 6px 12px; border-radius: 7px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.float-contact a:hover .tip { opacity: 1; }

/* ========== 滚动淡入动画 ========== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 40px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .value-grid { grid-template-columns: repeat(2,1fr); }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .scene-grid { grid-template-columns: repeat(4,1fr); }
  .tech-wrap, .invest-grid, .pfeat-row, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .pfeat-row.reverse .pfeat-media { order: 0; }
  .sol-grid, .invest-modes { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2,1fr); }
  .pain-grid, .deliver-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .flow-steps { grid-template-columns: repeat(2,1fr); gap: 30px 10px; }
  .flow-step:not(:last-child)::after, .flow-step:not(:last-child) .circle::after { display: none; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .section-head h2, .cta-band h2 { font-size: 27px; }
  .page-hero h1 { font-size: 30px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 17px; }
  .hero-stats { gap: 26px; }
  .value-grid, .feature-grid, .scene-grid, .case-grid,
  .pain-grid, .deliver-grid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .cta-band { padding: 44px 26px; }
  .contact-form { padding: 28px 22px; }
  .float-contact { bottom: 70px; right: 14px; }
}

/* 平板及以下：8 栏导航收起为汉堡菜单 */
@media (max-width: 1160px) {
  .nav-links {
    position: fixed; top: 0; right: -100%;
    width: min(82%, 320px); height: 100vh;
    background: #fff;
    flex-direction: column; align-items: flex-start;
    padding: 96px 34px 34px; gap: 24px;
    box-shadow: -10px 0 40px rgba(0,0,0,.18);
    transition: right .32s ease;
  }
  .nav-links.open { right: 0; }
  .nav-links a { color: var(--ink-900) !important; width: 100%; font-size: 17px; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; z-index: 1100; color: #fff; }
  .site-header.scrolled .nav-toggle { color: var(--ink-900); }
  .nav-links.open ~ .nav-toggle, .nav-toggle.active { color: var(--ink-900); }
}