:root {
  color-scheme: light;
  --ink: #17181d;
  --text: #3f4350;
  --muted: #747986;
  --line: #e4e7ef;
  --paper: rgba(255, 255, 255, 0.94);
  --wash: #f5f6f9;
  --accent: #3157e8;
  --accent-dark: #2749ca;
  --accent-soft: #eef2ff;
  --accent-pale: #f7f9ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 4%, rgba(105, 191, 255, 0.15), transparent 28rem),
    linear-gradient(180deg, #f7f9ff 0, #f5f6f9 55%, #fff 100%);
  color: var(--ink);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(21, 21, 26, 0.10);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 28px rgba(25, 23, 35, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 2;
}

.topbar a {
  width: min(920px, calc(100% - 40px));
  margin: auto;
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 800;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.10em;
  margin-left: 8px;
}

main { width: min(920px, calc(100% - 32px)); margin: 36px auto; }

article {
  overflow: hidden;
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(24px, 6vw, 68px);
  box-shadow: 0 18px 48px rgba(35, 45, 72, 0.08);
}

article::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 7px;
  background: linear-gradient(90deg, #69bfff, #3157e8, #2749ca);
}

.eyebrow {
  color: var(--accent);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0;
}

h1 {
  color: var(--ink);
  font-size: clamp(38px, 7vw, 64px);
  line-height: 1.1;
  margin: 8px 0 14px;
  letter-spacing: -0.04em;
}

h2 {
  color: var(--accent-dark);
  font-size: 24px;
  line-height: 1.35;
  margin: 0 0 12px;
}

p, li { color: var(--text); }
.lead { max-width: 760px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.65; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--muted);
  font-size: 14px;
  margin: 14px 0 28px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 42px;
  padding: 20px;
  background: linear-gradient(145deg, #f8faff, #f2f5ff);
  border: 1px solid var(--line);
  border-radius: 18px;
}

nav strong { width: 100%; color: var(--ink); font-size: 13px; }

nav a {
  color: var(--accent-dark);
  font-size: 14px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #d9def0;
  border-radius: 999px;
  padding: 5px 11px;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

nav a:hover {
  background: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
}

section { padding: 30px 0; border-top: 1px solid var(--line); }
section:target { scroll-margin-top: 84px; }
ul { padding-left: 1.25em; }
.table-wrap { overflow-x: auto; margin: 18px 0; border-radius: 16px; }

table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
}

th, td {
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--line);
  padding: 12px 14px;
}

th { color: var(--accent-dark); background: var(--accent-soft); }
tbody tr:nth-child(even) { background: var(--accent-pale); }

.notice {
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: var(--accent-soft);
  padding: 14px 16px;
  color: var(--text);
}

.contact-list {
  list-style: none;
  padding: 18px 20px;
  margin: 18px 0 0;
  background: linear-gradient(145deg, #f8faff, #f2f5ff);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.contact-list li + li { margin-top: 6px; }
.contact-list a { color: var(--accent-dark); text-decoration: none; border-bottom: 1px solid transparent; }
.contact-list a:hover { border-color: currentColor; }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 0 20px 36px; }
.filing { margin-top: 6px; }
.filing a { color: var(--muted); text-decoration: none; }
.filing a:hover { color: var(--accent-dark); text-decoration: underline; }

@media (max-width: 560px) {
  main { margin-top: 18px; }
  article { border-radius: 20px; }
  .topbar { height: 56px; }
  h2 { font-size: 21px; }
  nav { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  nav a { transition: none; }
}