@charset "utf-8";

/* ==========================================================================
   江苏美迅网络科技有限公司 - 官网样式
   ========================================================================== */

:root {
  --brand: #1b5fd0;
  --brand-d: #14489f;
  --brand-l: #4c8dff;
  --brand-soft: #eaf1fe;
  --accent: #0fb3a3;

  --ink: #0e1b2c;
  --ink-2: #24344c;
  --muted: #5d6e85;
  --muted-2: #8a99ac;

  --line: #e4eaf3;
  --line-2: #eef2f8;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-deep: #0c1729;

  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(14, 27, 44, 0.06), 0 4px 14px rgba(14, 27, 44, 0.05);
  --shadow: 0 10px 30px rgba(14, 27, 44, 0.08);
  --shadow-lg: 0 24px 60px rgba(14, 27, 44, 0.14);

  --container: 1180px;
  --header-h: 74px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--brand-d);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img,
svg {
  max-width: 100%;
}

::selection {
  background: rgba(27, 95, 208, 0.16);
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============ 布局工具 ============ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

.section--soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.section-head {
  max-width: 720px;
}

.section-head--center {
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.section-head--center .eyebrow::before {
  display: none;
}

.section-title {
  font-size: clamp(24px, 3.4vw, 34px);
}

.section-desc {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.grid {
  display: grid;
  gap: 24px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(27, 95, 208, 0.24);
}

.btn-primary:hover {
  background: var(--brand-d);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(27, 95, 208, 0.3);
}

.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--brand-l);
  color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(14, 27, 44, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  flex: 0 0 auto;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-text em {
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav a {
  position: relative;
  padding: 9px 16px;
  border-radius: 8px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 500;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav a:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav a.active {
  color: var(--brand);
  font-weight: 600;
}

.nav a.active::after {
  transform: scaleX(1);
}

.header-cta {
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 2px;
  margin: 3px auto;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ============ 首页首屏 ============ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 84px;
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 62%);
}

.hero::before {
  content: "";
  position: absolute;
  top: -280px;
  right: -180px;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 95, 208, 0.14), rgba(27, 95, 208, 0) 66%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(14, 27, 44, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 27, 44, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 20%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 20%, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(27, 95, 208, 0.18);
  border-radius: 999px;
  background: #fff;
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.hero-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(15, 179, 163, 0.16);
}

.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(30px, 4.6vw, 46px);
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.hero h1 .hl {
  color: var(--brand);
  background: linear-gradient(180deg, transparent 66%, rgba(27, 95, 208, 0.16) 66%);
}

.hero-sub {
  margin-top: 20px;
  max-width: 520px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  font-size: 14.5px;
  font-weight: 500;
}

.hero-points svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  color: var(--accent);
}

/* 首屏右侧能力卡 */
.hero-panel {
  position: relative;
}

.panel-card {
  position: relative;
  z-index: 2;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-2);
}

.panel-head .dots {
  display: flex;
  gap: 5px;
}

.panel-head .dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dfe6f0;
}

.panel-head .dots i:first-child {
  background: #f0b7b7;
}

.panel-head .dots i:nth-child(2) {
  background: #f0dcb7;
}

.panel-head .dots i:nth-child(3) {
  background: #b7e6c9;
}

.panel-head b {
  margin-left: 2px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

.panel-head .tag {
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.panel-list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
}

.panel-list li:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.panel-ico {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand);
}

.panel-ico svg {
  width: 18px;
  height: 18px;
}

.panel-list h4 {
  font-size: 14.5px;
  font-weight: 600;
}

.panel-list p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.panel-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 11px 14px;
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
}

.panel-foot svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.panel-float {
  position: absolute;
  z-index: 3;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 13px;
  color: var(--muted);
}

.panel-float b {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.panel-float--a {
  right: -18px;
  top: 44px;
}

.panel-float--b {
  left: -22px;
  bottom: 36px;
}

/* ============ 服务承诺条 ============ */
.stip {
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  background: var(--bg-soft);
}

.stip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.stip-item {
  padding: 26px 22px;
  background: var(--bg-soft);
}

.stip-item strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}

.stip-item span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13.5px;
}

/* ============ 业务卡片 ============ */
.cards {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 46px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(27, 95, 208, 0.22);
  box-shadow: var(--shadow-lg);
}

.card:hover::before {
  opacity: 1;
}

.card-ico {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: 14px;
  background: var(--brand-soft);
  color: var(--brand);
}

.card-ico svg {
  width: 26px;
  height: 26px;
}

.card h3 {
  font-size: 19px;
}

.card > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.card-list {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.card-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  color: var(--ink-2);
  font-size: 14px;
}

.card-list li:last-child {
  margin-bottom: 0;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--brand-l);
}

/* ============ 优势 / 特性 ============ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.why-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.why-item:hover {
  border-color: rgba(27, 95, 208, 0.24);
  box-shadow: var(--shadow-sm);
}

.why-num {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--brand);
  background: var(--brand-soft);
  height: 26px;
  padding: 0 9px;
  border-radius: 7px;
  line-height: 26px;
}

.why-item h3 {
  font-size: 16.5px;
}

.why-item p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ============ 流程 ============ */
.steps {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 46px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 26px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.step::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -20px;
  width: 16px;
  height: 2px;
  background: var(--line);
}

.step:last-child::after {
  display: none;
}

.step-no {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.step h3 {
  font-size: 15.5px;
}

.step p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ============ 关于我们（分栏） ============ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-visual {
  position: relative;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #f7faff, #eef4ff 60%, #e9f2ff);
  overflow: hidden;
}

.split-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(27, 95, 208, 0.18) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle at 80% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 80% 20%, #000, transparent 70%);
}

.mini-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.mini {
  padding: 20px 18px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.mini strong {
  display: block;
  color: var(--brand);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.mini span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.split-body .section-title {
  margin-bottom: 20px;
}

.split-body p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.95;
}

.split-body p + p {
  margin-top: 14px;
}

.split-body .btn {
  margin-top: 28px;
}

/* ============ 通用 CTA ============ */
.cta {
  position: relative;
  overflow: hidden;
  padding: 64px 0;
  background: linear-gradient(120deg, #0f3c86 0%, #1b5fd0 52%, #1f7ae0 100%);
  color: #fff;
}

.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 100% at 80% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 80% 50%, #000, transparent 75%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta h2 {
  color: #fff;
  font-size: clamp(22px, 3vw, 30px);
}

.cta p {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.cta .btn-ghost {
  background: #fff;
  border-color: #fff;
  color: var(--brand-d);
}

.cta .btn-ghost:hover {
  color: var(--brand-d);
  transform: translateY(-2px);
}

.cta .btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.42);
  color: #fff;
}

.cta .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============ 内页头部 ============ */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 66px 0 62px;
  background: linear-gradient(180deg, #f4f8ff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line-2);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -220px;
  right: -140px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 95, 208, 0.12), rgba(27, 95, 208, 0) 68%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted-2);
  font-size: 13px;
}

.crumb a {
  color: var(--muted);
}

.crumb span {
  color: var(--muted-2);
}

.page-hero h1 {
  font-size: clamp(26px, 3.6vw, 38px);
}

.page-hero .lead {
  max-width: 660px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

/* ============ 正文块 ============ */
.prose {
  max-width: 860px;
}

.prose h2 {
  margin-top: 42px;
  font-size: 22px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 28px;
  font-size: 17.5px;
}

.prose p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.95;
}

.prose ul {
  margin-top: 16px;
}

.prose ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--brand-l);
}

/* 业务详情行 */
.biz {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 28px;
  padding: 38px 0;
  border-bottom: 1px solid var(--line-2);
}

.biz:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.biz:first-child {
  padding-top: 0;
}

.biz-no {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border-radius: 18px;
  background: var(--brand-soft);
  color: var(--brand);
}

.biz-no svg {
  width: 32px;
  height: 32px;
}

.biz h2 {
  font-size: 21px;
}

.biz > div > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.95;
}

.biz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
}

.biz-tags li {
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--ink-2);
  font-size: 13px;
}

/* ============ 联系页 ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
}

.info-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.info-row {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.info-row:first-child {
  padding-top: 0;
}

.info-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.info-ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 11px;
  background: var(--brand-soft);
  color: var(--brand);
}

.info-ico svg {
  width: 19px;
  height: 19px;
}

.info-row dt {
  color: var(--muted-2);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.info-row dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 15.5px;
  line-height: 1.7;
  word-break: break-word;
}

.info-row dd a {
  color: var(--ink);
}

.info-row dd a:hover {
  color: var(--brand);
}

.map-card {
  position: relative;
  overflow: hidden;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #eef4fd;
  height: 230px;
}

.map-card .map-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(27, 95, 208, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 95, 208, 0.1) 1px, transparent 1px);
  background-size: 34px 34px;
}

.map-card .map-road {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
}

.map-card .map-road--h {
  left: 0;
  right: 0;
  top: 62%;
  height: 12px;
}

.map-card .map-road--v {
  top: 0;
  bottom: 0;
  left: 30%;
  width: 9px;
}

.map-pin {
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -100%);
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50% 50% 50% 4px;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 22px rgba(27, 95, 208, 0.4);
  animation: pinFloat 3.4s var(--ease) infinite;
}

.map-pin svg {
  width: 18px;
  height: 18px;
}

@keyframes pinFloat {
  0%,
  100% {
    transform: translate(-50%, -100%);
  }
  50% {
    transform: translate(-50%, -112%);
  }
}

.map-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.94);
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.map-label a {
  flex: 0 0 auto;
  font-weight: 600;
  font-size: 13.5px;
}

.form-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.form-card h2 {
  font-size: 20px;
}

.form-card > p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  margin-top: 18px;
}

.field label {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-2);
  font-size: 13.5px;
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-soft);
  color: var(--ink);
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.6;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand-l);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(27, 95, 208, 0.12);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--muted-2);
}

.form-note {
  margin-top: 16px;
  color: var(--muted-2);
  font-size: 12.5px;
  line-height: 1.7;
}

.form-card .btn {
  width: 100%;
  margin-top: 20px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 44px;
  padding: 64px 0 48px;
}

.footer-brand .brand {
  color: #fff;
}

.footer-brand .brand-text em {
  color: rgba(255, 255, 255, 0.42);
}

.footer-desc {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13.5px;
  line-height: 1.9;
  max-width: 320px;
}

.footer-col h3 {
  margin-bottom: 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13.5px;
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13.5px;
  line-height: 1.8;
}

.footer-contact svg {
  width: 15px;
  height: 15px;
  margin-top: 5px;
  flex: 0 0 auto;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0 26px;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 13px;
}

.footer-sep {
  color: rgba(255, 255, 255, 0.24);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.62);
}

.footer-bottom a:hover {
  color: #fff;
}

.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.beian-link svg {
  width: 13px;
  height: 13px;
  opacity: 0.7;
}

.footer-bottom .spacer {
  margin-left: auto;
}

/* ============ 滚动动效 ============ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-panel {
    max-width: 520px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .step::after {
    display: none;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .contact-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 66px;
  }

  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 12px 16px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(14, 27, 44, 0.1);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease),
      visibility 0.22s;
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    padding: 12px 14px;
  }

  .nav a::after {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-header {
    position: sticky;
  }

  .section {
    padding: 62px 0;
  }

  .hero {
    padding: 52px 0 62px;
  }

  .stip-inner {
    grid-template-columns: 1fr 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .panel-float {
    display: none;
  }

  .biz {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .biz-no {
    width: 56px;
    height: 56px;
    border-radius: 14px;
  }

  .biz-no svg {
    width: 24px;
    height: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .section {
    padding: 52px 0;
  }

  .stip-inner {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 46px 0 36px;
  }

  .footer-bottom .spacer {
    margin-left: 0;
    width: 100%;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .card {
    padding: 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}