:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #f7fbff;
  background: #061326;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #061326; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 0 max(24px, 5vw);
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(18px);
}

.site-brand { display: flex; align-items: center; gap: 14px; }
.site-brand img { display: block; width: 132px; height: auto; }
.site-brand i { width: 38px; height: 38px; border-radius: 50% 50% 48% 52%; background: linear-gradient(140deg, #1b6de4 12%, #5b8cff 52%, #f3921d 53%, #ed7800); transform: rotate(-18deg); box-shadow: 0 0 30px rgba(50,120,245,.35); }
.site-brand strong { display: block; letter-spacing: .08em; }
.site-brand span { display: block; margin-top: 3px; color: #7f9fc7; font-size: 10px; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); color: #112036; font-size: 14px; font-weight: 700; }
.site-nav a { position: relative; padding: 12px 0; }
.site-nav a:not(.site-nav__cta)::after { content: ""; position: absolute; right: 0; bottom: 5px; left: 0; height: 2px; background: #1767df; transform: scaleX(0); transition: transform .25s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.site-nav__cta { padding: 13px 20px !important; border-radius: 999px; color: #fff; background: linear-gradient(100deg,#1266e7,#377ff1 65%,#ec8c18); box-shadow: 0 12px 32px rgba(24,105,228,.2); }
.site-menu-toggle { display: none; width: 44px; height: 44px; padding: 11px; border: 1px solid #dbe4ef; border-radius: 50%; background: #fff; }
.site-menu-toggle span { display: block; height: 2px; margin: 4px 0; border-radius: 3px; background: #0b1a2d; }

.hero {
  min-height: calc(100vh - 74px);
  padding: 12vh max(24px, 8vw) 8vh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: 7vw;
  align-items: center;
  background:
    radial-gradient(circle at 82% 28%, rgba(45, 116, 235, .25), transparent 28%),
    radial-gradient(circle at 12% 85%, rgba(235, 130, 18, .1), transparent 26%),
    linear-gradient(135deg, #061326, #092856 62%, #071932);
}

.eyebrow { margin: 0 0 22px; color: #79a8ee; font-size: 12px; letter-spacing: .24em; }
.hero h1, .page-hero h1 { margin: 0; font-size: clamp(48px, 7vw, 104px); line-height: .98; letter-spacing: -.07em; }
.hero__lead { max-width: 760px; margin: 30px 0 38px; color: #b9cae0; font-size: clamp(17px, 1.5vw, 22px); line-height: 1.9; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; font-weight: 700; }
.button--primary { border-color: transparent; background: linear-gradient(100deg, #1667df, #347def 72%, #ee921d); box-shadow: 0 18px 45px rgba(23,101,219,.3); }

.hero__panel { position: relative; min-height: 430px; border: 1px solid rgba(255,255,255,.15); border-radius: 34px; background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.025)); overflow: hidden; }
.hero__panel::before { content: ""; position: absolute; width: 280px; height: 280px; left: 50%; top: 50%; border-radius: 48% 52% 58% 42%; background: linear-gradient(155deg, #1c73ef, #82a9ff 50%, #ef8a12 52%, #f7c06a); filter: blur(.1px); transform: translate(-50%,-55%) rotate(-22deg); opacity: .9; box-shadow: 0 0 80px rgba(35,112,235,.42); }
.hero__panel::after { content: "小鲤鱼"; position: absolute; inset: auto 34px 34px; color: rgba(255,255,255,.7); font-size: 12px; letter-spacing: .32em; text-align: right; }
.hero__metric { position: absolute; left: 28px; top: 28px; max-width: 220px; padding: 18px; border-radius: 18px; background: rgba(4,18,39,.65); backdrop-filter: blur(10px); }
.hero__metric b { display: block; color: #f5a13b; font-size: 12px; letter-spacing: .18em; }
.hero__metric strong { display: block; margin-top: 9px; font-size: 20px; line-height: 1.4; }

.section { padding: 110px max(24px, 8vw); background: #f4f7fb; color: #071426; }
.section--dark { background: #061326; color: #f7fbff; }
.section__head { max-width: 820px; margin-bottom: 44px; }
.section__head h2 { margin: 0 0 18px; font-size: clamp(38px, 5vw, 70px); line-height: 1.05; letter-spacing: -.05em; }
.section__head p { color: #687a91; line-height: 1.9; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.case-card { min-height: 320px; padding: 30px; border: 1px solid #dce5ef; border-radius: 28px; background: linear-gradient(145deg, #fff, #edf4ff); display: flex; flex-direction: column; }
.case-card small { color: #2269ce; letter-spacing: .14em; }
.case-card h2 { margin: 90px 0 18px; font-size: 28px; line-height: 1.2; }
.case-card p { color: #667990; line-height: 1.75; }
.case-card b { margin-top: auto; color: #0a4cae; }

.page-hero { padding: 110px max(24px, 8vw) 70px; background: linear-gradient(145deg, #061326, #0b3978); }
.case-detail { padding: 80px max(24px, 8vw); background: #f4f7fb; color: #071426; }
.case-detail__meta { display: flex; gap: 12px; flex-wrap: wrap; }
.case-detail__meta span { padding: 8px 12px; border-radius: 999px; background: #e4edfa; color: #225eaf; font-size: 13px; }
.case-detail__summary { max-width: 900px; margin: 36px 0; font-size: clamp(20px, 2.2vw, 30px); line-height: 1.7; }
.case-detail ul { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.case-detail li { padding: 24px; border: 1px solid #d9e3ef; border-radius: 20px; background: #fff; }
.notice { margin-top: 28px; padding: 18px 22px; border-left: 4px solid #ef901d; background: #fff8ec; color: #755325; line-height: 1.7; }
.empty { padding: 38px; border: 1px dashed #b8c8dc; border-radius: 24px; color: #687a91; }
.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 34px; padding: 64px max(24px, 8vw) 30px; border-top: 1px solid rgba(255,255,255,.1); color: #91a4be; background: #061326; font-size: 13px; }
.site-footer__brand { color: #fff; font-size: 26px; font-weight: 800; letter-spacing: .05em; }
.site-footer p { margin: 12px 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: flex-end; gap: 12px 24px; color: #c8d4e5; }
.site-footer nav a:hover { color: #fff; }
.site-footer__meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); }

:focus-visible { outline: 3px solid #ef981f; outline-offset: 4px; }
::selection { color: #fff; background: #1767df; }

@media (max-width: 900px) {
  .site-header { min-height: 72px; padding: 0 20px; }
  .site-brand img { width: 112px; }
  .site-menu-toggle { display: block; }
  .site-nav { position: fixed; top: 72px; right: 14px; left: 14px; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; border: 1px solid #dbe4ef; border-radius: 22px; color: #12233a; background: rgba(255,255,255,.98); box-shadow: 0 20px 70px rgba(7,24,46,.18); transform: translateY(-16px); opacity: 0; visibility: hidden; transition: .2s ease; }
  .site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .site-nav a { padding: 14px 12px; }
  .site-nav__cta { margin-top: 8px; text-align: center; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero__panel { min-height: 340px; }
  .case-grid, .case-detail ul { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
}