/* ==========================================================================
   微行网联 · 河南微行智能网联科技有限公司 官网样式
   设计系统：品牌蓝 + 活力橙 / 浅色主题 / 响应式
   ========================================================================== */

:root {
  --brand: #1a5fd6;
  --brand-2: #2f8bf5;
  --brand-deep: #0b3d91;
  --brand-soft: #ecf3ff;
  --accent: #ff7a1a;
  --accent-soft: #fff4ea;
  --ink: #0d1b2a;
  --ink-2: #3d4f63;
  --ink-3: #6b7c90;
  --line: #e3e9f2;
  --line-2: #eef2f8;
  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --bg-dark: #08172c;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(13, 27, 42, .05);
  --shadow: 0 8px 28px -12px rgba(13, 27, 42, .18);
  --shadow-lg: 0 32px 70px -28px rgba(13, 27, 42, .32);
  --wrap: 1200px;
  --header-h: 74px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; border: 0; }

a { color: var(--brand); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand-2); }

h1, h2, h3, h4 {
  margin: 0 0 .6em;
  color: var(--ink);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.01em;
}

h1 { font-size: clamp(28px, 4.2vw, 46px); }
h2 { font-size: clamp(23px, 3vw, 34px); }
h3 { font-size: clamp(18px, 2vw, 21px); }
h4 { font-size: 17px; }

p { margin: 0 0 1em; }

ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: .35em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ------------------------------ 顶部信息条 ------------------------------ */
.topbar {
  background: var(--bg-dark);
  color: #b9c8dd;
  font-size: 13px;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 38px; flex-wrap: wrap;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar a { color: #dbe7f7; }
.topbar a:hover { color: #fff; }
.topbar .dot { color: var(--accent); font-weight: 700; }

/* -------------------------------- 页头 -------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 20px; min-height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
  width: 46px; height: 46px; flex: none;
  border-radius: 13px;
  background: #fff url("../img/brand-mark.png") center/contain no-repeat;
  box-shadow: 0 2px 10px -2px rgba(26, 95, 214, .3);
  border: 1px solid var(--line-2);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 19px; color: var(--ink); letter-spacing: .04em; }
.brand-text small { font-size: 11px; color: var(--ink-3); letter-spacing: .01em; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav a {
  position: relative; padding: 9px 13px; border-radius: 9px;
  font-size: 15px; color: var(--ink-2); font-weight: 500; white-space: nowrap;
}
.nav a:hover { background: var(--bg-soft); color: var(--brand); }
.nav a.is-active { color: var(--brand); font-weight: 600; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--brand);
}
.header-cta { flex: none; }

.mobile-toggle {
  display: none; width: 44px; height: 44px; flex: none;
  border: 1px solid var(--line); border-radius: 11px; background: #fff;
  cursor: pointer; padding: 0; position: relative;
}
.mobile-toggle span, .mobile-toggle span::before, .mobile-toggle span::after {
  position: absolute; left: 12px; width: 20px; height: 2px;
  background: var(--ink); border-radius: 2px; content: "";
  transition: transform .25s ease, opacity .2s ease;
}
.mobile-toggle span { top: 21px; }
.mobile-toggle span::before { top: -6px; left: 0; }
.mobile-toggle span::after { top: 6px; left: 0; }
body.nav-open .mobile-toggle span { background: transparent; }
body.nav-open .mobile-toggle span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .mobile-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* -------------------------------- 按钮 -------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 11px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: transform .18s ease, box-shadow .22s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff; box-shadow: 0 10px 24px -10px rgba(26, 95, 214, .75);
}
.btn-primary:hover { color: #fff; box-shadow: 0 16px 32px -12px rgba(26, 95, 214, .8); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); background: #fff; }
.btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .3); }
.btn-ghost:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.btn-accent { background: linear-gradient(135deg, #ff8f3c, var(--accent)); color: #fff; }
.btn-accent:hover { color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-lg { padding: 15px 30px; font-size: 16px; }

/* -------------------------------- 区块 -------------------------------- */
.section { padding: 82px 0; }
.section.tight { padding: 58px 0; }
.section.soft { background: var(--bg-soft); }
.section.dark { background: var(--bg-dark); color: #c3d2e6; }
.section.dark h2, .section.dark h3, .section.dark h4 { color: #fff; }
.section.dark .lead { color: #a8bcd6; }

.section-head { max-width: 780px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block; margin-bottom: 14px; padding: 5px 13px;
  border-radius: 999px; background: var(--brand-soft); color: var(--brand);
  font-size: 13px; font-weight: 600; letter-spacing: .06em;
}
.section.dark .eyebrow { background: rgba(47, 139, 245, .18); color: #7fbcfd; }
.lead { font-size: 17px; color: var(--ink-3); margin-bottom: 0; }

/* -------------------------------- 首页 Hero -------------------------------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(47, 139, 245, .55), transparent 62%),
    radial-gradient(760px 460px at 6% 108%, rgba(255, 122, 26, .28), transparent 60%),
    linear-gradient(160deg, #0b2f5a 0%, #07203f 100%);
  background-color: #08203f;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 50% 35%, #000 15%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 35%, #000 15%, transparent 78%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.08fr .92fr;
  gap: 54px; align-items: center;
  /* 只设上下内边距，左右沿用 .wrap，否则窄屏内容会贴边 */
  padding-top: 86px; padding-bottom: 92px;
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #7fbcfd, #ffb27a);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 17.5px; color: #bed0e6; max-width: 560px; margin-bottom: 30px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 32px; }
.hero-tags span {
  padding: 6px 14px; border-radius: 999px; font-size: 13.5px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); color: #dbe8f8;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }

.hero-card {
  position: relative; border-radius: var(--radius-lg); padding: 30px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.hero-card h3 { color: #fff; font-size: 18px; margin-bottom: 18px; }
.hero-card ul { list-style: none; padding: 0; margin: 0; }
.hero-card li {
  display: flex; gap: 11px; align-items: flex-start;
  padding: 11px 0; border-bottom: 1px dashed rgba(255, 255, 255, .14);
  color: #cfdcee; font-size: 14.5px; margin: 0;
}
.hero-card li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero-card li b { color: #fff; font-weight: 600; }
.tick {
  flex: none; width: 19px; height: 19px; margin-top: 4px; border-radius: 6px;
  background: rgba(47, 139, 245, .28); position: relative;
}
.tick::after {
  content: ""; position: absolute; left: 6px; top: 3.5px;
  width: 5px; height: 9px; border: 2px solid #7fbcfd;
  border-top: 0; border-left: 0; transform: rotate(42deg);
}

/* ------------------------------ 子页 Hero ------------------------------ */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 400px at 82% -20%, rgba(47, 139, 245, .5), transparent 60%),
    linear-gradient(150deg, #0a2a52 0%, #071c36 100%);
  background-color: #08203f;
  padding: 62px 0 66px;
}
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { color: #bed0e6; font-size: 17px; max-width: 760px; margin-bottom: 0; }
.page-hero .hero-tags { margin: 22px 0 0; }

.breadcrumb { font-size: 13.5px; color: #8ba6c6; margin-bottom: 18px; }
.breadcrumb a { color: #a9c2df; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 7px; opacity: .6; }

/* -------------------------------- 卡片 -------------------------------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: #cfe0fa;
}
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card-icon {
  width: 50px; height: 50px; border-radius: 14px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff; font-size: 21px; font-weight: 700;
  box-shadow: 0 10px 22px -12px rgba(26, 95, 214, .85);
}
.card-icon.orange { background: linear-gradient(135deg, #ff9b46, var(--accent)); box-shadow: 0 10px 22px -12px rgba(255, 122, 26, .85); }
.card-icon.slate { background: linear-gradient(135deg, #4b6076, #2b3c50); box-shadow: 0 10px 22px -12px rgba(43, 60, 80, .7); }
.card-num {
  position: absolute; right: 24px; top: 20px;
  font-size: 40px; font-weight: 800; line-height: 1;
  color: var(--line-2); letter-spacing: -.04em; user-select: none;
}
.card-tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: var(--brand-soft); color: var(--brand);
  font-size: 12px; font-weight: 600; margin-bottom: 12px;
}
.card-tag.orange { background: var(--accent-soft); color: #d3600c; }

/* 业务大卡 */
.biz-card {
  display: flex; flex-direction: column;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: #fff;
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: var(--shadow-sm);
}
.biz-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.biz-card-head {
  padding: 26px 28px 24px; color: #fff;
  background: linear-gradient(140deg, #11468f 0%, #1a5fd6 100%);
}
.biz-card-head.orange { background: linear-gradient(140deg, #c9560a 0%, #ff8f3c 100%); }
.biz-card-head.slate { background: linear-gradient(140deg, #16283d 0%, #33506f 100%); }
.biz-card-head.teal { background: linear-gradient(140deg, #0d5c63 0%, #128b96 100%); }
.biz-card-head h3 { color: #fff; margin-bottom: 8px; }
.biz-card-head p { color: rgba(255, 255, 255, .84); margin: 0; font-size: 14.5px; }
.biz-card-body { padding: 24px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.biz-card-body ul { list-style: none; padding: 0; margin: 0 0 22px; }
.biz-card-body li {
  position: relative; padding-left: 20px; font-size: 14.5px;
  color: var(--ink-2); margin-bottom: 9px;
}
.biz-card-body li::before {
  content: ""; position: absolute; left: 4px; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.biz-card-body .card-link { margin-top: auto; font-weight: 600; font-size: 14.5px; }

/* 列表式特性 */
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  position: relative; padding-left: 34px; margin-bottom: 16px; font-size: 15.5px;
}
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: 5px;
  width: 21px; height: 21px; border-radius: 7px; background: var(--brand-soft);
}
.feature-list li::after {
  content: ""; position: absolute; left: 7px; top: 10px;
  width: 5px; height: 9px; border: 2px solid var(--brand);
  border-top: 0; border-left: 0; transform: rotate(42deg);
}
.feature-list li b { color: var(--ink); }

/* -------------------------------- 模式 -------------------------------- */
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mode {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  background: #fff; transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.mode:hover { border-color: #cfe0fa; box-shadow: var(--shadow); transform: translateY(-3px); }
.mode-top { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.mode-badge {
  flex: none; width: 38px; height: 38px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
}
.mode h4 { margin: 0; font-size: 16.5px; }
.mode p { font-size: 14px; color: var(--ink-3); margin: 0; }

/* 步骤 */
.steps { counter-reset: step; display: grid; gap: 18px; grid-template-columns: repeat(4, 1fr); }
.step {
  position: relative; padding: 26px 22px 22px;
  border-radius: var(--radius); background: #fff; border: 1px solid var(--line);
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: -14px; left: 22px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--brand); color: #fff; font-size: 12.5px; font-weight: 700;
  letter-spacing: .04em;
}
.step h4 { margin-bottom: 8px; }
.step p { margin: 0; font-size: 14px; color: var(--ink-3); }

/* 数据条 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 26px 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.section.dark .stat { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .12); }
.stat b { display: block; font-size: 32px; font-weight: 800; color: var(--brand); line-height: 1.15; letter-spacing: -.02em; }
.section.dark .stat b { color: #7fbcfd; }
.stat span { font-size: 14px; color: var(--ink-3); }
.section.dark .stat span { color: #a8bcd6; }

/* ------------------------------- 表格 ------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 15px 18px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line-2); }
th { background: var(--bg-soft); color: var(--ink); font-weight: 600; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fbfdff; }
td strong { color: var(--ink); }

/* -------------------------------- FAQ -------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details {
  border-bottom: 1px solid var(--line); padding: 4px 0;
}
.faq summary {
  cursor: pointer; padding: 18px 34px 18px 0; position: relative;
  font-size: 16.5px; font-weight: 600; color: var(--ink); list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 8px; top: 26px;
  width: 8px; height: 8px; border-right: 2px solid var(--brand); border-bottom: 2px solid var(--brand);
  transform: rotate(45deg); transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq .faq-body { padding: 0 0 20px; font-size: 15px; color: var(--ink-2); }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* -------------------------------- CTA -------------------------------- */
.cta-band {
  border-radius: var(--radius-lg); padding: 46px 44px;
  background:
    radial-gradient(700px 320px at 88% 0%, rgba(47, 139, 245, .45), transparent 62%),
    linear-gradient(140deg, #0a2a52 0%, #071c36 100%);
  background-color: #08203f;
  color: #fff; display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { color: #b6c9e2; margin: 0; }
.cta-band .actions { display: flex; gap: 13px; flex-wrap: wrap; }

/* ------------------------------- 联系方式 ------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
.contact-item {
  display: flex; gap: 15px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px dashed var(--line);
}
.contact-item:last-child { border-bottom: 0; }
.contact-item .ic {
  flex: none; width: 44px; height: 44px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand); font-size: 19px;
}
.contact-item .lb { font-size: 13px; color: var(--ink-3); margin-bottom: 2px; }
.contact-item .vl { font-size: 17px; font-weight: 600; color: var(--ink); word-break: break-all; }
.contact-item .vl a { color: var(--ink); }
.contact-item .vl a:hover { color: var(--brand); }

.qr-box { text-align: center; }
.qr-box img { width: 190px; margin: 0 auto 14px; border-radius: 12px; border: 1px solid var(--line); padding: 8px; background: #fff; }
.qr-box p { font-size: 14px; color: var(--ink-3); margin: 0; }

/* -------------------------------- 页脚 -------------------------------- */
.site-footer { background: var(--bg-dark); color: #93a8c2; padding: 62px 0 0; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.15fr; gap: 40px; padding-bottom: 46px; }
.site-footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: .04em; }
.site-footer a { color: #93a8c2; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 11px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand img { width: 46px; border-radius: 12px; background: #fff; padding: 3px; }
.footer-brand b { color: #fff; font-size: 17px; display: block; letter-spacing: .04em; }
.footer-brand span { font-size: 12px; color: #7e93ad; }
.footer-desc { color: #8fa4be; font-size: 14px; margin-bottom: 16px; line-height: 1.8; }
.footer-qr { width: 116px; border-radius: 10px; background: #fff; padding: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; font-size: 13.5px; color: #7e93ad;
}
.footer-bottom .links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ----------------------------- 悬浮联系方式 ----------------------------- */
.float-bar {
  position: fixed; right: 20px; bottom: 96px; z-index: 70;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 15px; border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--brand); transition: transform .2s ease, background .2s ease, color .2s ease;
}
.float-btn:hover { transform: translateY(-3px); background: var(--brand); color: #fff; border-color: var(--brand); }
.float-pop {
  position: absolute; right: 64px; bottom: 0; width: 208px; padding: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-lg); text-align: center;
  opacity: 0; visibility: hidden; transform: translateX(8px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
}
.float-btn-group { position: relative; }
.float-btn-group:hover .float-pop, .float-btn-group:focus-within .float-pop {
  opacity: 1; visibility: visible; transform: translateX(0);
}
.float-pop img { width: 100%; border-radius: 8px; margin-bottom: 8px; }
.float-pop p { margin: 0; font-size: 13px; color: var(--ink-3); }
.float-pop b { color: var(--ink); font-size: 15px; display: block; margin-bottom: 4px; }

.to-top {
  position: fixed; right: 20px; bottom: 32px; z-index: 70;
  width: 52px; height: 52px; border-radius: 15px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  box-shadow: var(--shadow); cursor: pointer; font-size: 19px;
  opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s, transform .2s ease;
}
.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* 移动端底部快捷条 */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  background: rgba(255, 255, 255, .97); border-top: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
}
.mobile-bar .inner { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 8px; }
.mobile-bar a {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 0; border-radius: 11px; font-size: 12px; color: var(--ink-2); font-weight: 600;
}
.mobile-bar a i { font-style: normal; font-size: 17px; }
.mobile-bar a.primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; }

/* ------------------------------- 动画 ------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ------------------------------- 响应式 ------------------------------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .header-cta { display: none; }
}

@media (max-width: 980px) {
  /* 窄屏顶部条只保留最实用的一条：咨询热线 */
  .topbar-left { display: none; }
  .topbar-right > span:first-child, .topbar .dot { display: none; }
  .topbar .wrap { justify-content: center; min-height: 34px; gap: 0; }
  .mobile-toggle { display: block; margin-left: auto; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px; margin: 0;
    box-shadow: var(--shadow);
    display: none;
  }
  body.nav-open .nav { display: flex; }
  .nav a { padding: 13px 14px; font-size: 16px; }
  .nav a.is-active::after { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 62px; padding-bottom: 68px; }
  .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .mode-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .float-bar { display: none; }
  .to-top { bottom: 84px; right: 16px; width: 46px; height: 46px; }
  .mobile-bar { display: block; }
  body { padding-bottom: 68px; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  .section { padding: 58px 0; }
  .section.tight { padding: 44px 0; }
  .section-head { margin-bottom: 32px; }
  .hero-inner { padding-top: 48px; padding-bottom: 54px; }
  .grid-2, .grid-3, .grid-4, .steps, .mode-grid { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .biz-card-head, .biz-card-body { padding-left: 22px; padding-right: 22px; }
  .cta-band { padding: 34px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 34px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .page-hero { padding: 44px 0 48px; }
  .brand-text small { display: none; }
  .brand-text strong { font-size: 17.5px; }
  .brand-mark { width: 40px; height: 40px; }
  th, td { padding: 12px 14px; }
  .btn { padding: 11px 18px; font-size: 14.5px; }
  .hero-actions .btn { flex: 1 1 auto; }
}

/* ------------------------------ 打印 ------------------------------ */
@media print {
  .site-header, .topbar, .float-bar, .to-top, .mobile-bar, .cta-band { display: none !important; }
  body { color: #000; }
}