:root {
  --blue: #1e7efb;
  --blue-2: #2a92ff;
  --ink: #1d1d1d;
  --muted: #667085;
  --line: #eceff3;
  --bg: #f6f8fb;
  --content: 1200px;
  --logo-orange: #ff7500;
  --logo-blue: #005098;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }

.container {
  width: var(--content);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 72px;
  background: #fff;
  box-shadow: 0 0 10px 1px rgba(29, 97, 168, 0.08);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: #005098;
}
.brand img { height: 40px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  color: #005098;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.brand-text small {
  margin-top: 2px;
  color: var(--logo-orange);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}
.nav > a,
.has-sub > a {
  display: inline-flex;
  align-items: center;
  height: 72px;
  padding: 0 14px;
  color: #1d1d1d;
  font-size: 15px;
}
.nav > a[aria-current="page"],
.has-sub[aria-current="page"] > a { color: var(--blue); }
.nav > a:hover,
.has-sub > a:hover { color: var(--blue); }

.has-sub { position: relative; }
.caret {
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #8a93a3;
}
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  min-width: 168px;
  padding: 8px 0;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(29, 97, 168, 0.15);
}
.dropdown a {
  display: block;
  padding: 8px 18px;
  color: #333;
  font-size: 14px;
}
.dropdown a:hover { background: #f3f8ff; color: var(--blue); }
.has-sub:hover .dropdown,
.has-sub:focus-within .dropdown,
.has-sub.open .dropdown { display: block; }

.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: 10px; }
.btn-login,
.btn-register {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 16px;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1;
  transition: 0.2s;
}
.btn-login { border: 1px solid var(--blue); color: var(--blue); background: #fff; }
.btn-login:hover { background: var(--blue); color: #fff; }
.btn-register {
  border: 1px solid var(--blue);
  color: #fff;
  background: linear-gradient(to right, #1e7efb, #2a92ff);
}
.btn-register:hover { opacity: 0.85; }

.menu-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 4px;
  height: 32px;
  padding: 0 10px;
}

.carousel { position: relative; height: 448px; background: #eef4fb; overflow: hidden; }
.slides { height: 100%; }
.slide {
  display: none;
  height: 448px;
  color: #1d1d1d;
}
.slide.active { display: block; }
.slide-inner { padding-top: 96px; }
.slide-kicker { margin: 0 0 8px; color: var(--blue); font-weight: 700; letter-spacing: 0.08em; }
.slide h2 { margin: 0 0 10px; font-size: 48px; line-height: 1.2; font-weight: 700; }
.slide p { margin: 0; max-width: 520px; color: #4b5565; font-size: 16px; }
.slide-more {
  display: inline-block;
  margin-top: 22px;
  color: var(--blue);
  font-weight: 650;
}
.slide-inner.has-visual {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 100%;
  padding-top: 12px;
  padding-bottom: 28px;
}
.slide-copy { flex: 1 1 340px; min-width: 0; }
.slide-copy p { max-width: 380px; }
.slide-visual { flex: 0 1 780px; width: 780px; max-width: 66%; }
.slide-stack img {
  width: calc(100% - 200px);
  height: auto;
  border: 1px solid #e3e9f1;
  border-radius: 8px;
  background: #fff;
}
.slide-stack .shot-2 { margin-top: 10px; margin-left: 100px; }
.slide-stack .shot-3 { margin-top: 10px; margin-left: 200px; }
.slide-stack.stack-2 img { width: calc(100% - 100px); }
.slide-c .slide-visual { flex: 0 0 640px; width: 640px; max-width: 640px; }
.slide-d .slide-visual { flex: 0 0 572px; width: 572px; max-width: 572px; }
.slide-e .slide-visual { flex: 0 0 820px; width: 820px; max-width: 68%; }
.solo-shot {
  width: 100%;
  height: auto;
  border: 1px solid #e3e9f1;
  border-radius: 8px;
  background: #fff;
}
.slide-a { background: linear-gradient(90deg, #f4f8ff 0%, #e7f0ff 55%, #d9e8ff 100%); }
.slide-b { background: linear-gradient(90deg, #f7fbff 0%, #e8f7f2 100%); }
.slide-c { background: linear-gradient(90deg, #fff8f3 0%, #ffe8d8 100%); }
.slide-d { background: linear-gradient(90deg, #f6f7ff 0%, #e6e9ff 100%); }
.slide-e { background: linear-gradient(90deg, #f3fbff 0%, #d9f1ff 100%); }
.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 64px;
  border: 0;
  background: rgba(255, 255, 255, 0.72);
  color: #1d1d1d;
  font-size: 28px;
  cursor: pointer;
}
.carousel-prev { left: 0; }
.carousel-next { right: 0; }
.dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.dot {
  width: 20px;
  height: 4px;
  border: 0;
  padding: 0;
  background: rgba(30, 126, 251, 0.18);
  cursor: pointer;
}
.dot.active { width: 40px; background: rgba(30, 126, 251, 0.55); }

.block { padding: 64px 0 20px; }
.block h2.block-title {
  margin: 0 0 28px;
  text-align: center;
  font-size: 30px;
  font-weight: 700;
}
.product-grid {
  display: flex;
  align-items: stretch;
  gap: 16px;
}
.product-card {
  flex: 1 1 0;
  min-width: 0;
  min-height: 236px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(40, 80, 160, 0.06);
  text-align: center;
  transition: flex 0.28s ease, box-shadow 0.28s ease;
}
.product-card .head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.pico {
  width: 52px;
  height: 52px;
  color: var(--blue);
}
.pico svg { width: 100%; height: 100%; display: block; }
.product-card h3 { margin: 0; font-size: 16px; font-weight: 650; }
.product-card .desc,
.product-card .more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin: 0;
}
.product-card:hover,
.product-card:focus-within {
  flex: 2.8 1 0;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  padding: 22px 20px 18px;
  box-shadow: 0 14px 32px rgba(30, 126, 251, 0.12);
}
.product-card:hover .head,
.product-card:focus-within .head {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.product-card:hover .pico,
.product-card:focus-within .pico { width: 36px; height: 36px; }
.product-card:hover h3,
.product-card:focus-within h3 { font-size: 18px; }
.product-card:hover .desc,
.product-card:focus-within .desc {
  max-height: 160px;
  opacity: 1;
  margin-top: 14px;
  color: #667085;
  font-size: 13px;
  line-height: 1.75;
}
.product-card:hover .more,
.product-card:focus-within .more {
  max-height: 36px;
  opacity: 1;
  margin-top: auto;
  padding-top: 16px;
}
.product-card .more {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  color: var(--blue);
  font-size: 13px;
}
.shot-list { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.shot-list img {
  width: 100%;
  border: 1px solid #e6eaf0;
  border-radius: 8px;
  background: #fff;
}

.advantages { background: var(--bg); padding: 64px 0 56px; }
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 28px;
}
.advantage-card {
  padding: 4px 12px;
  text-align: center;
}
.advantage-card .aico {
  display: block;
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  color: var(--blue);
}
.advantage-card .aico svg { width: 100%; height: 100%; display: block; }
.advantage-card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.advantage-card p { margin: 0; color: var(--muted); line-height: 1.75; }

.history { padding-bottom: 48px; }
.history-lead {
  max-width: 880px;
  margin: -8px auto 28px;
  text-align: center;
  color: #3d4756;
  font-size: 16px;
}
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.time-item {
  padding: 16px 14px;
  background: #fff;
  border-top: 3px solid var(--blue);
  box-shadow: 0 4px 16px rgba(16, 24, 40, 0.04);
}
.time-item strong { display: block; margin-bottom: 6px; color: var(--blue); font-size: 18px; }
.time-item p { margin: 0; color: #3d4756; }
.history-now {
  margin: 18px 0 0;
  text-align: center;
  color: #3d4756;
  font-size: 16px;
}

.slogan {
  margin-top: 28px;
  padding: 32px 0 36px;
  text-align: center;
  background: #f6f8fb;
  border-top: 1px solid #e6eaf0;
  color: #3d4756;
}
.slogan h2 { margin: 0 0 6px; font-size: 20px; font-weight: 650; color: #005098; }
.slogan p { margin: 0; font-size: 16px; color: var(--logo-orange); }

.site-footer { background: #f7f8fa; padding: 36px 0 0; color: #3d4756; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 24px;
  padding-bottom: 28px;
}
.site-footer h3 { margin: 0 0 12px; font-size: 16px; color: #1d1d1d; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 6px 0; }
.site-footer a:hover { color: var(--blue); }
.footer-bar {
  border-top: 1px solid #e6e8ee;
  padding: 14px 0;
  color: #666;
  font-size: 12px;
  text-align: center;
}
.footer-bar a { color: #666; margin-left: 12px; }
.footer-bar a:hover { color: var(--blue); }

.page { padding: 36px 0 64px; }
.page h1 { margin: 0 0 12px; font-size: 32px; }
.page .intro { margin: 0 0 20px; color: var(--muted); max-width: 760px; }
.feature-page .intro { max-width: 880px; font-size: 16px; line-height: 1.75; }
.feature-list { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.feature-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 6px 20px;
  align-items: start;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(40, 80, 160, 0.06);
}
.feature-item .fico { display: block; width: 52px; height: 52px; color: var(--blue); }
.feature-item .fico svg { width: 100%; height: 100%; display: block; }
.feature-item h2 { margin: 4px 0 8px; font-size: 20px; }
.feature-item p { margin: 0 0 8px; color: #3d4756; }
.feature-item ul { margin: 0; padding-left: 1.2em; color: var(--muted); }
.feature-item li { margin: 4px 0; }
.feature-more {
  display: inline-flex;
  align-items: center;
  height: 32px;
  margin-top: 14px;
  padding: 0 14px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  color: var(--blue);
  font-size: 13px;
}
.feature-more:hover { background: rgba(30, 126, 251, 0.06); }
.feature-scope {
  margin: 20px 0 0;
  padding: 14px 16px;
  background: var(--bg);
  border-radius: 8px;
  color: var(--muted);
  line-height: 1.75;
}
.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 8px;
}
.booking-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 28px 28px;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(40, 80, 160, 0.06);
  text-align: center;
}
.booking-card .bico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: #eef5ff;
  color: var(--blue);
}
.booking-card .bico svg { width: 36px; height: 36px; display: block; }
.booking-card h2 { margin: 0 0 10px; font-size: 22px; }
.booking-card .when { margin: 0 0 8px; font-weight: 650; }
.booking-card p { margin: 0; color: var(--muted); line-height: 1.75; }
.book-go {
  margin-top: 22px;
  height: 40px;
  padding: 0 28px;
  border: 0;
  border-radius: 20px;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
.book-go:hover { background: #166fe0; }
.booking-form {
  margin-top: 28px;
  padding: 28px;
  background: var(--bg);
  border-radius: 16px;
}
.booking-form h2 { margin: 0 0 6px; font-size: 20px; }
.booking-form .hint { margin: 0 0 16px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form-field { display: flex; flex-direction: column; }
.form-field.span-2 { grid-column: 1 / -1; }
.form-field label { margin-bottom: 6px; font-size: 13px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #e6eaf0;
  border-radius: 8px;
  background: #fff;
  font: inherit;
  color: inherit;
}
.form-field textarea { height: 96px; padding: 10px 12px; resize: vertical; }
.choice-row { display: flex; flex-wrap: wrap; gap: 18px; min-height: 40px; align-items: center; }
.choice-row label { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 14px; white-space: nowrap; }
.form-field input[type="radio"] { width: auto; height: auto; padding: 0; }
.form-error { margin: 12px 0 0; min-height: 1.4em; color: #d4380d; }
.form-ok { margin: 12px 0 0; color: #067647; }
.about-page .intro { max-width: 880px; font-size: 16px; line-height: 1.8; }
.about-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 8px 0 36px;
}
.about-fact {
  padding: 18px 16px;
  background: var(--bg);
  border-radius: 12px;
}
.about-fact span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.about-fact strong { font-size: 15px; font-weight: 650; line-height: 1.5; }
.about-fact a { color: var(--blue); }
.about-page h2 { margin: 0 0 12px; font-size: 22px; }
.about-page .lead { margin: 0 0 16px; color: #3d4756; }
.about-products {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin: 0 0 36px;
}
.about-products a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  padding: 12px;
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(40, 80, 160, 0.06);
  font-weight: 650;
}
.about-products a:hover { color: var(--blue); border-color: #c9ddfb; }
.about-page .timeline { margin-top: 4px; }
.about-page .history-now { margin-top: 16px; text-align: left; }
.prose { max-width: 820px; }
.prose h2 { margin: 28px 0 8px; font-size: 20px; }
.prose p, .prose li { color: #243041; }
.prose ul { padding-left: 1.2em; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f7f9fc; }
.note { color: var(--muted); }
.contact-box {
  max-width: 640px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: 8px;
}
.placeholder-box {
  padding: 48px 24px;
  background: var(--bg);
  border-radius: 8px;
  color: var(--muted);
}

@media (max-width: 1320px) {
  .carousel-prev, .carousel-next { display: none; }
}
@media (max-width: 1240px) {
  .container { width: auto; margin: 0 16px; }
}
@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; align-items: center; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav > a, .has-sub > a { height: 42px; }
  .dropdown { position: static; box-shadow: none; padding-left: 12px; }
  .nav-actions { margin: 8px 0 0; }
  .carousel, .slide { height: auto; }
  .slide { display: none; }
  .slide.active { display: block; }
  .slide-inner { padding: 48px 0 64px; }
  .slide-inner.has-visual { flex-direction: column; align-items: flex-start; height: auto; padding-top: 36px; }
  .slide-visual,
  .slide-c .slide-visual,
  .slide-d .slide-visual,
  .slide-e .slide-visual { flex: 0 1 auto; width: 100%; max-width: 560px; }
  .product-grid { flex-wrap: wrap; }
  .product-card { flex: 1 1 calc(50% - 16px); align-items: flex-start; text-align: left; justify-content: flex-start; }
  .product-card .head { flex-direction: row; }
  .product-card .pico { width: 36px; height: 36px; }
  .product-card .desc,
  .product-card .more { max-height: none; opacity: 1; }
  .product-card .desc { margin-top: 12px; color: #667085; font-size: 13px; }
  .product-card .more { margin-top: 14px; }
  .slide-stack img { width: calc(100% - 48px); }
  .slide-stack.stack-2 img { width: calc(100% - 24px); }
  .slide-stack .shot-2 { margin-left: 24px; }
  .slide-stack .shot-3 { margin-left: 48px; }
  .slide h2 { font-size: 32px; }
  .timeline, .advantage-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-facts, .about-products { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .product-card { flex-basis: 100%; }
  .timeline, .advantage-grid, .footer-grid { grid-template-columns: 1fr; }
  .feature-item { grid-template-columns: 1fr; padding: 20px 16px; }
  .feature-item .fico { width: 40px; height: 40px; }
  .booking-grid, .form-grid { grid-template-columns: 1fr; }
  .about-facts, .about-products { grid-template-columns: 1fr; }
}