:root {
  color-scheme: dark;
  --ink: #f8fbff;
  --muted: #aebbd0;
  --night: #061326;
  --panel: #0d2038;
  --line: rgba(255, 255, 255, .11);
  --gold: #f4c46b;
  --gold-strong: #ffdc91;
  --blue: #51b8e8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

.site-header {
  position: absolute;
  z-index: 5;
  top: 0;
  left: 50%;
  width: min(1120px, calc(100% - 40px));
  padding: 24px 0;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand span { display: flex; flex-direction: column; line-height: 1.25; }
.brand strong { font-size: 17px; letter-spacing: .08em; }
.brand small { color: #ccd7e7; font-size: 10px; letter-spacing: .06em; }
.live-pill { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(7, 20, 38, .55); color: #dbe7f5; font-size: 12px; backdrop-filter: blur(10px); }
.live-pill i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #56dc9b; box-shadow: 0 0 0 5px rgba(86, 220, 155, .12); }

.hero {
  min-height: 720px;
  padding: 150px max(24px, calc((100vw - 1120px) / 2)) 92px;
  position: relative;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background: url("/static/images/brand-background-kl.jpg") center 42% / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto 0 0;
  height: 240px;
  background: linear-gradient(transparent, var(--night));
}
.hero-shade { position: absolute; z-index: -2; inset: 0; background: linear-gradient(90deg, rgba(3, 13, 28, .96) 0%, rgba(3, 13, 28, .75) 48%, rgba(3, 13, 28, .35) 100%); }
.hero-content { width: min(630px, 100%); }
.eyebrow, .section-title > p { margin: 0 0 12px; color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(44px, 7vw, 78px); line-height: 1.12; letter-spacing: -.045em; }
h1 em { color: var(--gold-strong); font-style: normal; }
.lead { max-width: 540px; margin: 26px 0 0; color: #d7e1ef; font-size: clamp(17px, 2vw, 20px); }
.notice { margin: 18px 0 0; padding: 10px 14px; border: 1px solid rgba(244, 196, 107, .45); border-radius: 10px; background: rgba(35, 25, 11, .75); color: #ffe5ac; font-size: 14px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.cta { min-height: 52px; padding: 0 20px; border: 1px solid transparent; border-radius: 12px; display: inline-flex; align-items: center; justify-content: space-between; gap: 34px; text-decoration: none; font-size: 15px; font-weight: 700; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.cta:hover { transform: translateY(-2px); }
.cta:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.cta-primary { background: linear-gradient(135deg, #f5c66f, #d89a36); color: #172032; box-shadow: 0 12px 30px rgba(220, 156, 54, .22); }
.cta-primary:hover { background: linear-gradient(135deg, #ffdc92, #e9ae4a); }
.cta-secondary { border-color: rgba(255,255,255,.24); background: rgba(8, 27, 51, .62); backdrop-filter: blur(10px); }
.cta-secondary:hover { border-color: rgba(255,255,255,.46); background: rgba(15, 44, 78, .85); }
.helper { margin: 14px 0 0; color: #99a9bd; font-size: 12px; }

main > section:not(.hero) { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section-title { margin-bottom: 30px; }
.section-title h2, .final-cta h2 { margin: 0; font-size: clamp(27px, 4vw, 40px); line-height: 1.25; letter-spacing: -.025em; }
.snapshot { position: relative; z-index: 2; margin-top: -28px; padding: 42px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(135deg, rgba(17, 45, 76, .96), rgba(9, 28, 51, .98)); box-shadow: 0 24px 70px rgba(0,0,0,.28); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metrics article { padding: 28px 22px; }
.metrics article + article { border-left: 1px solid var(--line); }
.metrics strong { display: block; color: var(--gold-strong); font-size: clamp(30px, 5vw, 48px); line-height: 1; }
.metrics span { display: block; margin-top: 10px; color: #c6d1e0; font-size: 13px; }
.updated { margin: 20px 0 0; color: #899bb1; font-size: 12px; }

.advantages, .steps { padding-block: 100px 30px; }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.advantage-grid article { min-height: 220px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(150deg, rgba(19, 48, 80, .72), rgba(8, 25, 46, .92)); }
.advantage-grid span { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.advantage-grid h3 { margin: 30px 0 8px; font-size: 22px; }
.advantage-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.steps ol { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps li { padding: 22px; display: flex; gap: 16px; border-top: 1px solid var(--line); }
.steps li b { flex: 0 0 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: rgba(81, 184, 232, .12); color: var(--blue); }
.steps li div { display: flex; flex-direction: column; }
.steps li strong { font-size: 16px; }
.steps li span { margin-top: 4px; color: var(--muted); font-size: 13px; }
.final-cta { margin-top: 90px; padding: 48px; border: 1px solid rgba(244, 196, 107, .25); border-radius: 24px; background: radial-gradient(circle at 90% 10%, rgba(244,196,107,.16), transparent 35%), #0c213b; text-align: center; }
.final-cta p { margin: 0 0 10px; color: var(--gold); font-size: 13px; }
.final-cta .cta { margin-top: 28px; min-width: 220px; }
footer { width: min(850px, calc(100% - 40px)); margin: 80px auto 0; padding: 30px 0 max(35px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); color: #7e8fa5; text-align: center; font-size: 11px; }
footer p { margin: 0 0 10px; }

@media (max-width: 700px) {
  .site-header { width: calc(100% - 32px); padding-top: 18px; }
  .brand img { width: 38px; height: 38px; }
  .live-pill { padding-inline: 9px; }
  .hero { min-height: 690px; padding: 132px 20px 84px; align-items: flex-end; background-position: 63% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(3,13,28,.98) 8%, rgba(3,13,28,.6) 73%, rgba(3,13,28,.48)); }
  h1 { font-size: clamp(41px, 13.5vw, 58px); }
  .hero-actions { display: grid; }
  .cta { width: 100%; }
  main > section:not(.hero) { width: calc(100% - 28px); }
  .snapshot { margin-top: -18px; padding: 26px 20px; border-radius: 18px; }
  .metrics { grid-template-columns: 1fr; }
  .metrics article { padding: 20px 6px; display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
  .metrics article + article { border-left: 0; border-top: 1px solid var(--line); }
  .metrics span { text-align: right; }
  .advantages, .steps { padding-top: 72px; }
  .advantage-grid, .steps ol { grid-template-columns: 1fr; }
  .advantage-grid article { min-height: 0; }
  .advantage-grid h3 { margin-top: 18px; }
  .final-cta { margin-top: 70px; padding: 38px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cta { transition: none; }
}
