/* ============ 武汉魄思吉官网 共享样式 ============ */
:root {
  --primary: #0a58d0;
  --primary-dark: #083e99;
  --accent: #12b3e6;
  --ink: #1a2233;
  --gray: #5b6472;
  --light: #f5f8fc;
  --border: #e4eaf3;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(10, 88, 208, 0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800; letter-spacing: 0;
}
.logo small { display: block; font-size: 11px; font-weight: 400; color: var(--gray); line-height: 1.2; }
.nav { display: flex; gap: 38px; }
.nav a {
  font-size: 15.5px; color: var(--ink); padding: 6px 2px; position: relative;
  transition: color .2s;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--primary); transition: width .25s;
}
.nav a:hover, .nav a.active { color: var(--primary); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.btn {
  display: inline-block; padding: 11px 28px; border-radius: 999px;
  font-size: 15px; cursor: pointer; border: none; transition: all .25s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #1e7ce8);
  color: #fff; box-shadow: 0 6px 18px rgba(10, 88, 208, .3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(10, 88, 208, .38); }
.btn-outline {
  border: 1.5px solid var(--primary); color: var(--primary); background: transparent;
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* 移动端菜单按钮 */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s; }

/* ---------- 首屏 Banner ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% 15%, rgba(18, 179, 230, .16), transparent 60%),
    radial-gradient(700px 400px at 10% 90%, rgba(10, 88, 208, .12), transparent 60%),
    linear-gradient(180deg, #f8fbff 0%, #eef4fd 100%);
  padding: 110px 0 130px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 16px; font-size: 13.5px; color: var(--primary); margin-bottom: 22px;
  box-shadow: var(--shadow);
}
.hero-tag b { color: var(--accent); }
.hero h1 { font-size: 44px; line-height: 1.25; letter-spacing: 1px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin: 22px 0 34px; font-size: 17.5px; color: var(--gray); max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  position: relative; background: #fff; border-radius: 20px;
  box-shadow: 0 24px 60px rgba(10, 88, 208, .14);
  padding: 26px; border: 1px solid var(--border);
}
.chat-demo { display: flex; flex-direction: column; gap: 14px; }
.chat-line { display: flex; gap: 10px; align-items: flex-start; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: #fff; font-weight: 700;
}
.avatar.user { background: #94a3b8; }
.avatar.bot { background: linear-gradient(135deg, var(--primary), var(--accent)); }
.bubble {
  padding: 11px 16px; border-radius: 12px; font-size: 14px; max-width: 82%;
}
.bubble.user { background: #eef2f8; color: var(--ink); border-top-left-radius: 4px; }
.bubble.bot {
  background: linear-gradient(135deg, #0a58d0, #1e7ce8); color: #fff;
  border-top-right-radius: 4px;
}
.bubble .done { font-size: 12px; opacity: .85; display: block; margin-top: 4px; }
.hero-badges {
  display: flex; gap: 26px; margin-top: 46px; flex-wrap: wrap;
}
.hero-badges div b { font-size: 30px; color: var(--primary); }
.hero-badges div span { display: block; font-size: 13.5px; color: var(--gray); }

/* ---------- 通用区块 ---------- */
section.section { padding: 90px 0; }
.section.alt { background: var(--light); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.sec-head .kicker {
  display: inline-block; font-size: 13.5px; letter-spacing: 4px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 10px; font-weight: 600;
}
.sec-head h2 { font-size: 34px; letter-spacing: 1px; }
.sec-head p { color: var(--gray); margin-top: 12px; font-size: 16px; }

/* 卡片网格 */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 28px; transition: all .3s; position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon {
  width: 52px; height: 52px; border-radius: 13px; margin-bottom: 20px;
  background: linear-gradient(135deg, #e8f1ff, #d8f3fd);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--gray); }
.card ul { margin-top: 14px; }
.card ul li {
  font-size: 14px; color: var(--gray); padding: 5px 0 5px 24px; position: relative;
}
.card ul li::before {
  content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700;
}

/* ---------- 资质横幅 ---------- */
.cta-band {
  background: linear-gradient(120deg, #083e99 0%, #0a58d0 55%, #12b3e6 130%);
  color: #fff; padding: 76px 0; text-align: center;
}
.cta-band h2 { font-size: 32px; margin-bottom: 14px; }
.cta-band p { opacity: .88; margin-bottom: 32px; font-size: 16.5px; }
.cta-band .btn { background: #fff; color: var(--primary); font-weight: 700; }
.cta-band .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.25); }

/* ---------- 页脚 ---------- */
.footer { background: #0d1526; color: #97a3b8; padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer a:hover { color: #fff; }
.footer li { margin-bottom: 10px; }
.footer .brand { color: #fff; font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0; text-align: center; font-size: 13px;
}

/* ---------- 内页通用头 ---------- */
.page-hero {
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(18, 179, 230, .18), transparent 60%),
    linear-gradient(180deg, #f6faff, #eaf2fd);
  padding: 78px 0; text-align: center;
}
.page-hero h1 { font-size: 36px; }
.page-hero p { color: var(--gray); margin-top: 12px; }

/* ---------- 定价表 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); gap: 30px; justify-content: center; }
.price-card {
  background: #fff; border: 1px solid var(--border); border-radius: 18px;
  padding: 40px 34px; position: relative; transition: all .3s;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.price-card.recommend { border: 2px solid var(--primary); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, var(--primary), var(--accent)); color: #fff;
  font-size: 12.5px; padding: 4px 18px; border-radius: 999px; white-space: nowrap;
}
.price-card h3 { font-size: 21px; }
.price-card .desc { color: var(--gray); font-size: 14px; margin: 6px 0 20px; }
.price-card .price { font-size: 42px; font-weight: 800; color: var(--primary); }
.price-card .price small { font-size: 15px; color: var(--gray); font-weight: 400; }
.price-card .year { font-size: 13px; color: var(--gray); margin-bottom: 22px; }
.price-card ul { margin-bottom: 30px; }

/* ---------- 表单 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-info .item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-info .item .ico {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: #e9f1ff; color: var(--primary); font-size: 20px;
  display: flex; align-items: center; justify-content: center;
}
.contact-info .item b { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-info .item span { color: var(--gray); font-size: 14px; }
.form-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 38px 34px; box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; margin-bottom: 7px; font-weight: 600; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 10px; font-size: 14px; font-family: inherit; color: var(--ink);
  background: #fbfcfe; transition: border .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary); background: #fff;
}
.form-msg { font-size: 14px; color: #0f9d58; margin-top: 14px; display: none; }

/* ---------- 数字统计 ---------- */
.stats-band { background: #fff; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.stat-grid b { font-size: 40px; color: var(--primary); display: block; }
.stat-grid span { color: var(--gray); font-size: 14.5px; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; position: relative;
}
.step .num {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--gray); }

/* ---------- 滚动入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid, .grid-2, .contact-wrap { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .steps, .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero { padding: 70px 0 80px; }
  .hero h1 { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--border); padding: 10px 4%;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--light); }
  .menu-toggle { display: block; }
  .header .btn { display: none; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .steps, .stat-grid, .form-row { grid-template-columns: 1fr; }
  .sec-head h2 { font-size: 27px; }
}