/* ===== 湖北知安保咨询服务有限公司 · 轻量清新青蓝科技风 ===== */
:root {
  --primary: #0E9FD8;        /* 主青蓝 */
  --primary-dark: #0B6FA8;   /* 深青蓝 */
  --primary-deep: #0A4E78;   /* 极深青蓝（标题/页脚） */
  --primary-light: #E8F6FC;  /* 浅青蓝底 */
  --accent: #06B6D4;         /* 亮青（高光/序号） */
  --accent-dark: #0891B2;
  --accent-soft: #E0F7FB;
  --indigo: #4F7CE8;         /* 渐变副色 */
  --text: #1E2A37;
  --muted: #647488;
  --bg: #ffffff;
  --bg-soft: #F3F9FC;
  --border: #E4EEF4;
  --shadow: 0 12px 32px rgba(14, 95, 176, 0.10);
  --shadow-hover: 0 18px 42px rgba(14, 95, 176, 0.16);
  --radius: 16px;
  --maxw: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
/* 页面顶部整体底纹：渐变 + 点阵，从最顶端开始铺，导航自然融入背景 */
body::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 860px;
  background:
    radial-gradient(circle at 1px 1px, rgba(14,159,216,.10) 1px, transparent 0) 0 0 / 24px 24px,
    linear-gradient(180deg, #EAF8FE 0%, #F6FBFE 45%, rgba(255,255,255,0) 100%);
  z-index: -1; pointer-events: none;
}

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

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ===== 顶部条（全透明，融入背景） ===== */
.topbar {
  color: var(--primary-dark);
  font-size: 13px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.topbar a { color: var(--primary-dark); font-weight: 600; }
.topbar a:hover { color: var(--primary); }

/* ===== 悬浮胶囊导航 ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  padding: 0 16px;
  background: transparent; border: none;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 12px auto;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  border: 1px solid var(--border);
  border-radius: 999px; padding: 9px 12px 9px 20px;
  box-shadow: 0 12px 32px rgba(14, 95, 176, 0.10);
}
.brand { display: flex; align-items: center; gap: 11px; }
.logo {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--indigo));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 19px;
  box-shadow: 0 6px 16px rgba(14, 159, 216, 0.30);
}
.brand-text .name { font-size: 19px; font-weight: 800; color: var(--primary-deep); letter-spacing: 1px; line-height: 1.2; }
.brand-text .sub { font-size: 11.5px; color: var(--muted); letter-spacing: .5px; }

.menu { display: flex; align-items: center; gap: 4px; }
.menu a:not(.btn) {
  padding: 9px 16px; border-radius: 999px; font-size: 14.5px; font-weight: 600; color: var(--text);
  transition: all .2s;
}
.menu a:not(.btn):hover { color: var(--primary); background: var(--primary-light); }
.menu a:not(.btn).active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--indigo)); box-shadow: 0 6px 14px rgba(14,159,216,.28); }
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  transition: transform .15s, box-shadow .2s; cursor: pointer; border: none; text-align: center;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--indigo)); color: #fff; box-shadow: 0 8px 20px rgba(14,159,216,.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14,159,216,.36); }
.btn-accent { background: linear-gradient(135deg, var(--primary), var(--indigo)); color: #fff; box-shadow: 0 8px 20px rgba(14,159,216,.28); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14,159,216,.36); }
.btn-ghost { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2.5px; background: var(--primary-deep); border-radius: 2px; transition: .3s; }

/* ===== Hero（背景由页面级底纹提供，透明融入） ===== */
.hero {
  position: relative; overflow: hidden;
  color: var(--text);
}
.hero::before {
  content: ""; position: absolute; right: -120px; top: -140px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(14,159,216,.18), transparent 70%); border-radius: 50%;
}
.hero::after {
  content: ""; position: absolute; left: -140px; bottom: -180px; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(79,124,232,.12), transparent 70%); border-radius: 50%;
}
.hero .container { position: relative; z-index: 2; padding: 72px 22px; }

.hero-wrap {
  display: grid; grid-template-columns: 1.05fr .92fr; gap: 48px; align-items: center;
  padding: 64px 22px 8px;
}
.hero-copy .tag {
  display: inline-flex; align-items: center; background: #fff; border: 1px solid var(--border);
  color: var(--primary-dark); padding: 7px 16px; border-radius: 999px; font-size: 13px; letter-spacing: 1px; margin-bottom: 22px;
  box-shadow: 0 4px 14px rgba(14,159,216,.10); font-weight: 600;
}
.tag i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); margin-right: 9px; }
.hero h1 { font-size: 44px; line-height: 1.32; font-weight: 800; margin-bottom: 18px; color: var(--primary-deep); letter-spacing: .5px; }
.hero h1 .hl {
  background: linear-gradient(90deg, #0E9FD8, #7C6CF0);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 17.5px; color: var(--muted); max-width: 560px; margin-bottom: 30px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-light { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(14,159,216,.22); }
.hero .btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14,159,216,.30); }
.hero .btn-outline { background: #fff; color: var(--primary-dark); border: 1.5px solid var(--border); box-shadow: 0 4px 14px rgba(14,95,176,.06); }
.hero .btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.hero-stats { display: flex; gap: 42px; margin-top: 48px; flex-wrap: wrap; }
.hero-stats .item .num { font-size: 30px; font-weight: 800; color: var(--primary-deep); }
.hero-stats .item .num span { color: var(--accent); }
.hero-stats .item .label { font-size: 13.5px; color: var(--muted); margin-top: 2px; }

/* --- Hero 右侧：仪表盘卡片 --- */
.hero-visual { position: relative; }
.mock {
  background: #fff; border: 1px solid var(--border); border-radius: 20px;
  box-shadow: 0 28px 64px rgba(14, 95, 176, 0.16); overflow: hidden;
  transform: rotate(0.001deg);
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.mock-bar span { width: 10px; height: 10px; border-radius: 50%; }
.mock-bar span:nth-child(1) { background: #FF5F57; }
.mock-bar span:nth-child(2) { background: #FEBC2E; }
.mock-bar span:nth-child(3) { background: #28C840; }
.mock-bar em { margin-left: 10px; font-style: normal; font-size: 12.5px; color: var(--muted); font-weight: 600; letter-spacing: 1px; }
.mock-body { padding: 22px; display: flex; flex-direction: column; gap: 16px; }
.mock-block { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.mock-block small { font-size: 12.5px; color: var(--muted); display: block; }
.mock-block strong { font-size: 30px; font-weight: 800; color: var(--primary-deep); line-height: 1.3; }
.mock-block strong i { font-style: normal; font-size: 15px; color: var(--accent-dark); margin-left: 3px; }
.mock-chart { display: flex; gap: 5px; height: 12px; margin: 12px 0 10px; }
.mock-chart span { border-radius: 6px; background: linear-gradient(90deg, #4FB3E8, #7CCBF2); }
.mock-chart span:nth-child(even) { background: linear-gradient(90deg, #A5DFF6, #C9EFFB); }
.mock-block .dim, .mock-mini .dim { font-size: 12px; color: #8CA3B5; }
.mock-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mock-mini { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; }
.mock-mini small { display: block; font-size: 12px; color: var(--muted); }
.mock-mini strong { display: block; font-size: 20px; font-weight: 800; color: var(--primary-deep); margin: 2px 0; }
.mock-mini strong.ok { color: #0FA968; font-size: 15.5px; }

.hero-chip {
  position: absolute; background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 10px 18px; font-size: 13.5px; font-weight: 700; color: var(--primary-deep);
  box-shadow: 0 14px 30px rgba(14,95,176,.16); animation: floaty 5s ease-in-out infinite; white-space: nowrap;
}
.chip-a { top: -18px; left: -20px; }
.chip-b { bottom: -16px; right: -16px; animation-delay: 2.5s; }
@keyframes floaty { 50% { transform: translateY(-8px); } }

/* --- Hero 底部滚动词条 --- */
.chip-strip {
  position: relative; z-index: 2; margin-top: 56px;
  border-top: 1px solid rgba(14,159,216,.14); border-bottom: 1px solid rgba(14,159,216,.14);
  background: rgba(255,255,255,.55); backdrop-filter: blur(4px);
  overflow: hidden; padding: 13px 0;
}
.strip-track { display: flex; gap: 40px; width: max-content; padding-left: 40px; animation: stripScroll 34s linear infinite; }
.strip-track span { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; font-size: 13.5px; font-weight: 600; color: #5B7891; }
@keyframes stripScroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .strip-track, .hero-chip { animation: none; }
}

/* ===== 通用 section ===== */
section.block { padding: 78px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-flex; align-items: center; background: #fff; border: 1px solid var(--border);
  color: var(--primary-dark); font-weight: 700; font-size: 12.5px; letter-spacing: 2px;
  padding: 6px 16px; border-radius: 999px; margin-bottom: 14px;
  box-shadow: 0 4px 12px rgba(14,159,216,.08);
}
.section-head .eyebrow::before { content: "●"; color: var(--primary); font-size: 8px; margin-right: 9px; }
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--primary-deep); margin: 4px 0 14px; letter-spacing: .5px; }
.section-head p { color: var(--muted); font-size: 16px; }

.bg-soft { background: var(--bg-soft); }

/* ===== 卡片网格 ===== */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .2s, box-shadow .25s; position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--indigo)); opacity: 0; transition: opacity .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card:hover::before { opacity: 1; }
.card .icon {
  width: 54px; height: 54px; border-radius: 15px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--primary);
  font-size: 24px;
}
.card h3 { font-size: 19px; color: var(--primary-deep); margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card .step-num {
  display: inline-block; width: 30px; height: 30px; line-height: 30px; text-align: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; border-radius: 50%; font-weight: 800; font-size: 14px; margin-bottom: 14px;
}

/* ===== 业务模式 / 流程 ===== */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.flow .step {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; position: relative;
  transition: transform .2s, box-shadow .25s;
}
.flow .step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.flow .step .n {
  font-size: 26px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--indigo)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.flow .step h4 { color: var(--primary-deep); font-size: 17px; margin: 6px 0 8px; }
.flow .step p { color: var(--muted); font-size: 14px; }

/* ===== 合作机构 ===== */
.partners { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.partner-chip {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px 24px;
  font-weight: 700; color: var(--primary-deep); display: flex; align-items: center; gap: 10px;
  min-width: 180px; justify-content: center; transition: all .2s;
}
.partner-chip:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.partner-chip .dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--indigo)); }

/* ===== 双栏图文 ===== */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: center; }
.visual {
  background: linear-gradient(135deg, var(--primary-light), #fff);
  border: 1px solid var(--border); border-radius: 18px; padding: 28px;
  display: flex; flex-direction: column; justify-content: center; gap: 18px;
  box-shadow: var(--shadow);
}
.split .visual { min-height: 320px; }
.feature-row { display: flex; gap: 14px; align-items: flex-start; }
.feature-row .fi { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-dark); display: flex; align-items: center; justify-content: center; font-weight: 700; }
.feature-row h4 { color: var(--primary-deep); font-size: 16px; margin-bottom: 3px; }
.feature-row p { color: var(--muted); font-size: 14px; }

/* ===== 数据条 ===== */
.statband { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); color: #fff; }
.statband .container { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; padding: 50px 22px; text-align: center; }
.statband .num { font-size: 36px; font-weight: 800; }
.statband .num span { color: #BFF0FB; }
.statband .label { color: #CDEBF7; font-size: 14px; margin-top: 6px; }

/* ===== CTA（浅色大圆角面板） ===== */
.cta {
  background: linear-gradient(180deg, #EAF6FE 0%, #F8FCFE 100%);
  border: 1px solid var(--border);
  border-radius: 24px; padding: 58px 40px; text-align: center;
  position: relative; overflow: hidden; box-shadow: var(--shadow);
}
.cta h2 { font-size: 30px; margin-bottom: 12px; color: var(--primary-deep); }
.cta p { color: var(--muted); margin-bottom: 26px; }
.cta .btn-accent { background: linear-gradient(135deg, var(--primary), var(--indigo)); color: #fff; box-shadow: 0 10px 26px rgba(14,159,216,.30); }
.cta .btn-accent:hover { transform: translateY(-2px); }

/* ===== 联系页 ===== */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info .info-item { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-info .info-item .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; font-size: 18px; }
.contact-info .info-item h4 { color: var(--primary-deep); font-size: 15px; }
.contact-info .info-item p { color: var(--muted); font-size: 15px; }

.form-box { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-box h3 { color: var(--primary-deep); margin-bottom: 18px; font-size: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 15px;
  font-family: inherit; color: var(--text); background: #fff; transition: border .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ===== 页脚（深海军蓝，青色高光） ===== */
.footer { background: #0A1B2E; color: #b9c9d9; padding: 56px 0 24px; }
.footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.footer .brand-text .name { color: #fff; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer ul li { margin-bottom: 10px; font-size: 14px; }
.footer ul li a:hover { color: var(--accent); }
.footer .desc { font-size: 14px; margin: 14px 0; line-height: 1.8; color: #94a9bc; }
.footer .compliance {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px;
  font-size: 12.5px; color: #7e94a8; line-height: 1.7;
}
.footer .copyright { text-align: center; font-size: 13px; color: #6f8799; margin-top: 18px; }

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .hero-wrap { grid-template-columns: 1fr .85fr; gap: 32px; }
}
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-wrap { grid-template-columns: 1fr; }
  .statband .container { grid-template-columns: repeat(2, 1fr); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .hero-wrap { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-visual { max-width: 480px; margin: 12px auto 0; }
  .chip-a { left: -8px; } .chip-b { right: -8px; }
}
@media (max-width: 680px) {
  .menu {
    position: absolute; top: 78px; left: 16px; right: 16px; background: #fff; flex-direction: column;
    align-items: stretch; padding: 10px 14px 16px; gap: 4px; border: 1px solid var(--border);
    border-radius: 18px; box-shadow: var(--shadow); display: none;
  }
  .menu.open { display: flex; }
  .menu a { padding: 12px 14px; }
  .menu a:not(.btn).active { border-radius: 12px; }
  .hamburger { display: flex; }
  .topbar { display: none; }
  .hero h1 { font-size: 30px; }
  .hero p.lead { font-size: 16px; }
  .grid-3, .grid-4, .grid-2, .flow { grid-template-columns: 1fr; }
  .statband .container { grid-template-columns: 1fr 1fr; }
  .footer .cols { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 26px; }
  .mock-row { grid-template-columns: 1fr; }
  .hero-chip { font-size: 12px; padding: 8px 14px; }
  .chip-a { top: -12px; } .chip-b { bottom: -12px; }
}