:root {
  --ink: #173047;
  --ink-strong: #061827;
  --muted: #607487;
  --primary: #086da2;
  --primary-dark: #07527c;
  --teal: #00a7a8;
  --cyan: #4fc3de;
  --gold: #c99542;
  --bg: #f6fbff;
  --soft: #edf8fc;
  --line: #d7e8f2;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(20, 86, 128, .09);
  --shadow-hover: 0 24px 56px rgba(20, 86, 128, .15);
  --radius: 8px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(79, 195, 222, .16), transparent 30%),
    radial-gradient(circle at 84% 18%, rgba(0, 167, 168, .12), transparent 28%),
    linear-gradient(180deg, #fafeff 0%, #f5fbff 46%, #f8fbfd 100%);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

input,
select,
textarea,
button {
  font: inherit;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.topline {
  color: #315166;
  background: linear-gradient(90deg, #e9f8ff, #f5fcff);
  border-bottom: 1px solid rgba(215, 232, 242, .85);
  font-size: 13px;
}

.topline-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.quick-links {
  display: flex;
  gap: 18px;
  white-space: nowrap;
}

.quick-links a {
  color: var(--primary);
  font-weight: 700;
  transition: color .18s ease;
}

.quick-links a:hover {
  color: var(--teal);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid rgba(216, 226, 234, .9);
  box-shadow: 0 10px 34px rgba(20, 86, 128, .07);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 260px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--white);
  font-weight: 800;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .34), transparent 45%),
    linear-gradient(135deg, #0878b1, #00b5b6);
  box-shadow: 0 12px 24px rgba(0, 167, 168, .22);
}

.brand-name {
  display: block;
  color: var(--ink-strong);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
}

.brand-sub {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav > li {
  position: relative;
}

.main-nav > li > a {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 82px;
  padding: 0 13px;
  color: #253746;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  transition: color .18s ease, background .18s ease, box-shadow .18s ease;
}

.main-nav > li:hover > a,
.main-nav > li:focus-within > a,
.main-nav > li.active > a {
  background: linear-gradient(180deg, rgba(234, 250, 255, .86), rgba(255, 255, 255, 0));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .85);
}

.main-nav > li > a::after {
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 19px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
  content: "";
}

.main-nav > li:hover > a,
.main-nav > li:focus-within > a,
.main-nav > li.active > a {
  color: var(--primary);
}

.main-nav > li:hover > a::after,
.main-nav > li:focus-within > a::after,
.main-nav > li.active > a::after {
  transform: scaleX(1);
}

.submenu {
  position: absolute;
  left: 0;
  top: calc(100% - 1px);
  width: 238px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 22px 46px rgba(20, 86, 128, .12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.submenu-business {
  display: grid;
  width: 520px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.main-nav > li:hover .submenu,
.main-nav > li:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: #405160;
  font-size: 15px;
  font-weight: 700;
}

.submenu a:hover,
.submenu a:focus {
  color: var(--primary);
  background: #edf9fc;
}

.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--ink-strong);
  background:
    linear-gradient(90deg, rgba(248, 253, 255, .96), rgba(232, 248, 255, .84), rgba(230, 248, 252, .42)),
    var(--hero-image, url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=1800&q=85"));
  background-position: center;
  background-size: cover;
}

.page-hero::before {
      position: absolute;
      inset: 0;
      background-image:
    linear-gradient(rgba(8, 109, 162, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 109, 162, .10) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .58;
  animation: gridMove 24s linear infinite;
  content: "";
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 0;
}

.breadcrumb {
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.breadcrumb .container {
  min-height: 46px;
  display: flex;
  align-items: center;
}

.breadcrumb a {
  color: var(--primary);
}

.page-hero h1 {
  margin: 16px 0 14px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.15;
  letter-spacing: 0;
}

.page-hero p {
  max-width: 720px;
  margin: 0;
  color: #476578;
  font-size: 18px;
}

section {
  padding: 78px 0;
}

section > .container {
  animation: fadeUp .72s ease both;
}

.section-white {
  background: rgba(255, 255, 255, .82);
}

.section-muted {
  background:
    linear-gradient(180deg, rgba(239, 249, 253, .75), rgba(246, 251, 255, .95));
}

.section-dark {
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 18%, rgba(79, 195, 222, .20), transparent 34%),
    linear-gradient(135deg, #eefaff 0%, #f8fdff 48%, #eaf8fb 100%);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.section-kicker {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 8px 0 0;
  color: var(--ink-strong);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.2;
  letter-spacing: 0;
}

.section-dark .section-head h2 {
  color: var(--ink-strong);
}

.section-desc {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}

.section-dark .section-desc {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
}

.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;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 10px 26px rgba(8, 29, 48, .06);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
  backdrop-filter: blur(10px);
}

.card::before {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, rgba(79, 195, 222, .85), rgba(0, 167, 168, .78), rgba(201, 149, 66, .58));
  opacity: 0;
  transition: opacity .2s ease;
  content: "";
}

.card::after {
  position: absolute;
  top: 0;
  left: -55%;
  width: 44%;
  height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, .45), transparent);
  opacity: 0;
  transform: skewX(-16deg);
  transition: left .7s ease, opacity .2s ease;
  content: "";
  pointer-events: none;
}

.card:hover {
  border-color: rgba(0, 143, 145, .28);
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

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

.card:hover::after {
  left: 115%;
  opacity: 1;
}

.card-body {
  padding: 24px;
}

.card h3 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 20px;
  line-height: 1.35;
}

.card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.media {
  height: 190px;
  overflow: hidden;
  background: var(--soft);
}

.card img {
  filter: saturate(1.03) brightness(1.03);
  transition: transform .55s ease, filter .55s ease;
}

.card:hover img {
  filter: saturate(1.1) contrast(1.03) brightness(1.05);
  transform: scale(1.055);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--primary);
  background: #e8f8fc;
  font-size: 12px;
  font-weight: 700;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #405160;
  background: rgba(255, 255, 255, .9);
  font-size: 14px;
  font-weight: 700;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.subnav a:hover {
  border-color: rgba(0, 143, 145, .34);
  color: var(--primary);
  background: #eafaff;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr);
  gap: 34px;
  align-items: start;
}

.feature-media {
  overflow: hidden;
  min-height: 420px;
  border-radius: var(--radius);
  background: var(--soft);
  box-shadow: var(--shadow);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.timeline-item strong {
  color: var(--primary);
  font-size: 22px;
  line-height: 1.2;
}

.list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  padding: 16px 18px;
  border-left: 3px solid var(--teal);
  background: rgba(255, 255, 255, .78);
  color: #405160;
}

.table-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 10px 26px rgba(8, 29, 48, .06);
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--white);
}

th,
td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  color: var(--ink-strong);
  background: #eef9fd;
  font-weight: 800;
}

tbody tr:hover {
  background: #f4fbfc;
}

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

.field {
  display: grid;
  gap: 8px;
}

.field-wide {
  grid-column: 1 / -1;
}

label {
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfe5ef;
  border-radius: 6px;
  background: rgba(255, 255, 255, .86);
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

textarea {
  min-height: 132px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 143, 145, .12);
  background: var(--white);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 14px 28px rgba(0, 143, 145, .24);
}

.btn-primary:hover {
  background: #007f81;
  transform: translateY(-1px);
}

.site-footer {
  color: rgba(255, 255, 255, .78);
  background:
    radial-gradient(circle at 12% 0%, rgba(79, 195, 222, .18), transparent 28%),
    linear-gradient(135deg, #07314a, #084d68 54%, #06737d);
  padding: 46px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, 1fr);
  gap: 34px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer-grid h3 {
  margin: 0 0 14px;
  color: var(--white);
  font-size: 17px;
}

.footer-grid p,
.footer-grid a {
  display: block;
  margin: 0 0 9px;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.copyright {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  font-size: 13px;
}

.float-consult {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  padding: 0;
  border-radius: 50%;
  color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 12px 28px rgba(0, 143, 145, .28);
  font-weight: 800;
  overflow: hidden;
  text-indent: -9999px;
  animation: pulseConsult 2.8s ease-in-out infinite;
}

.float-consult::before {
  width: 24px;
  height: 24px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6A8.38 8.38 0 0 1 12.5 3h.5a8.5 8.5 0 0 1 8 8.5Z'/%3E%3Ccircle cx='9' cy='12' r='1'/%3E%3Ccircle cx='12' cy='12' r='1'/%3E%3Ccircle cx='15' cy='12' r='1'/%3E%3C/svg%3E") center/contain no-repeat;
  content: "";
}

.float-consult::after {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  padding: 7px 10px;
  border-radius: 6px;
  background: rgba(6, 24, 39, .92);
  color: #fff;
  content: attr(data-tip);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

.float-consult:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(-2px);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gridMove {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 72px 72px, 72px 72px;
  }
}

@keyframes pulseConsult {
  0%,
  100% {
    box-shadow: 0 12px 28px rgba(0, 143, 145, .28);
  }
  50% {
    box-shadow: 0 12px 30px rgba(0, 143, 145, .38), 0 0 0 10px rgba(0, 143, 145, .08);
  }
}

@media (max-width: 1120px) {
  .brand {
    min-width: 230px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .main-nav > li > a {
    padding: 0 8px;
    font-size: 15px;
  }

  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .topline {
    display: none;
  }

  .header-inner {
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .main-nav {
    width: 100%;
    align-items: stretch;
    flex-wrap: wrap;
  }

  .main-nav > li > a {
    min-height: 40px;
    padding: 0 11px;
  }

  .submenu {
    position: static;
    display: none;
    width: 100%;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .main-nav > li:hover .submenu,
  .main-nav > li:focus-within .submenu {
    display: block;
  }

  .main-nav > li:hover .submenu-business,
  .main-nav > li:focus-within .submenu-business {
    display: block;
  }

  .section-head,
  .split,
  .footer-grid {
    display: block;
  }

  .section-desc {
    margin-top: 12px;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-media {
    margin-top: 24px;
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  section {
    padding: 58px 0;
  }

  .brand {
    min-width: 0;
  }

  .brand-sub {
    display: none;
  }

  .page-hero-inner {
    min-height: 280px;
    padding: 56px 0;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .copyright {
    display: block;
  }

  .float-consult {
    right: 14px;
    bottom: 14px;
    width: 52px;
    height: 52px;
  }

  .float-consult::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}