:root {
  --bg: #0b0e18;
  --bg2: #121728;
  --card: #171d30;
  --line: rgba(90, 180, 255, 0.22);
  --cyan: #5ab4ff;
  --cyan2: #9ad4ff;
  --text: #e8eef8;
  --muted: #8f9bb3;
  --max: 1040px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background:
    radial-gradient(700px 360px at 80% -10%, rgba(90, 180, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #0f1322, var(--bg));
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
}
a { color: var(--cyan2); text-decoration: none; }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
.topbar {
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  background: #080b14;
}
.topbar-in {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px 18px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 14, 24, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-in {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  flex-shrink: 0;
}
.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  object-fit: cover;
  background: #000;
}
.brand b {
  display: block;
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.06em;
}
.brand small {
  display: block;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.12em;
}
.nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: center;
}
.nav a { color: var(--muted); font-size: 13px; padding: 5px 0; }
.nav a.on, .nav a:hover { color: var(--cyan2); }
.nav .cta {
  margin-left: 4px;
  background: linear-gradient(135deg, #2f7fd4, #5ab4ff);
  color: #061018 !important;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
}
.burger {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--cyan2);
  border-radius: 8px;
  padding: 7px 11px;
  cursor: pointer;
}
.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 18px 48px;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 28px;
  align-items: start;
}
.main { min-width: 0; }
.rail {
  position: sticky;
  top: 72px;
}
.profile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
}
.profile img {
  width: 84px;
  height: 84px;
  margin: 0 auto 12px;
  border-radius: 50%;
  border: 2px solid var(--line);
  object-fit: cover;
  background: #000;
}
.profile h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 17px;
}
.profile p { margin: 0; color: var(--muted); font-size: 13px; text-align: left; }
.profile .links { margin-top: 12px; display: grid; gap: 6px; text-align: left; }
.profile .links a { font-size: 13px; }
.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
}
.hero .cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.hero .body { padding: 22px; }
.eyebrow {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 700;
  text-transform: uppercase;
}
.hero h1 {
  margin: 10px 0 12px;
  font-family: var(--serif);
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.35;
}
.hero .lead { margin: 0 0 16px; color: var(--muted); }
.btns { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border-radius: 8px;
  font-weight: 700;
  border: 1px solid transparent;
  font-size: 14px;
}
.btn-c { background: linear-gradient(135deg, #2f7fd4, #5ab4ff); color: #061018; }
.btn-g { border-color: var(--line); color: var(--cyan2); background: transparent; }
.block { margin-bottom: 28px; }
.block .hd {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.block .hd h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 21px;
}
.block .hd a { font-size: 13px; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tile {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.tile h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 16px; }
.tile p { margin: 0; color: var(--muted); font-size: 13px; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card {
  display: block;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  color: inherit;
  transition: border-color 0.2s;
}
.card:hover { border-color: rgba(90, 180, 255, 0.5); color: inherit; }
.card .pic { position: relative; }
.card .pic img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card .badge {
  position: absolute;
  left: 8px;
  top: 8px;
  background: rgba(11, 14, 24, 0.88);
  border: 1px solid var(--line);
  color: var(--cyan2);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
}
.card .txt { padding: 13px; }
.card h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 15px; }
.card p { margin: 0; color: var(--muted); font-size: 13px; }
.card .meta { margin-top: 8px; color: var(--cyan); font-size: 12px; }
.feed { display: grid; gap: 10px; }
.row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: inherit;
}
.row:hover { border-color: rgba(90, 180, 255, 0.45); color: inherit; }
.row .thumb {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.row .thumb img { width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.row .meta { color: var(--cyan); font-size: 12px; margin-bottom: 3px; }
.row h3 { margin: 0 0 4px; font-family: var(--serif); font-size: 15px; }
.row p { margin: 0; color: var(--muted); font-size: 13px; }
.pager {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}
.pager button {
  min-width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}
.pager button.on, .pager button:hover {
  background: linear-gradient(135deg, #2f7fd4, #5ab4ff);
  color: #061018;
  border-color: transparent;
}
.banner {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.banner-in { max-width: var(--max); margin: 0 auto; padding: 34px 18px; }
.banner h1 {
  margin: 8px 0 10px;
  font-family: var(--serif);
  font-size: clamp(24px, 3.2vw, 32px);
}
.banner p { margin: 0; color: var(--muted); max-width: 60ch; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 28px 18px 48px; }
.prose h2 { margin: 26px 0 10px; font-family: var(--serif); font-size: 21px; }
.prose h3 { margin: 18px 0 8px; font-size: 17px; }
.prose p, .prose li { color: #c5d0e4; }
.fig {
  margin: 16px 0 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0a0d16;
}
.fig img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.fig figcaption {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
}
.slot {
  min-height: 140px;
  border: 1px dashed rgba(90, 180, 255, 0.3);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  margin: 16px 0;
}
.doc { max-width: var(--max); margin: 0 auto; padding: 24px 18px 48px; }
.layout-doc .doc { max-width: none; margin: 0; padding: 8px 0 40px; }
.doc-hd { margin-bottom: 18px; }
.doc-hd h1 { margin: 8px 0 12px; font-family: var(--serif); font-size: clamp(24px, 3vw, 34px); line-height: 1.25; }
.doc-hd .lead { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.doc-hd .meta, .doc .meta { color: var(--cyan2); font-size: 13px; }
.doc h2 { margin: 26px 0 10px; font-family: var(--serif); font-size: 21px; }
.doc p, .doc li { color: #c5d0e4; line-height: 1.75; }
.doc ul, .doc ol { padding-left: 1.2em; }
.crumbs { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--cyan2); }
.layout-doc {
  display: grid;
  grid-template-columns: 1fr 250px;
  gap: 22px;
}
.aside {
  align-self: start;
  position: sticky;
  top: 72px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.aside .box { margin-bottom: 12px; }
.aside h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 14px; color: var(--cyan2); }
.aside a { display: block; padding: 5px 0; font-size: 13px; color: var(--muted); }
.aside a:hover { color: var(--cyan2); }
.table-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--line); border-radius: 10px; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table-wrap th, .table-wrap td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.table-wrap th { background: #1a2438; color: var(--cyan2); }
.table-wrap td { background: rgba(255, 255, 255, 0.02); color: #c5d0e4; }
.g2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 14px; align-items: center; }
.media {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0a0d16;
}
.media img { width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.steps { display: grid; gap: 10px; }
.step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg2);
}
.step i {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(90, 180, 255, 0.14);
  color: var(--cyan2);
  font-style: normal;
  font-weight: 800;
}
table.cmp {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 13px;
}
table.cmp th, table.cmp td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
table.cmp th { background: #1a2438; color: var(--cyan2); }
table.cmp td { background: rgba(255, 255, 255, 0.02); color: #c5d0e4; }
.foot {
  border-top: 1px solid var(--line);
  background: #080b14;
  margin-top: 12px;
}
.foot-in {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 18px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 18px;
}
.foot h4 { margin: 0 0 10px; color: var(--cyan2); font-family: var(--serif); }
.foot p, .foot a { color: var(--muted); font-size: 13px; }
.foot .col a { display: block; padding: 3px 0; }
.legal {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px 22px;
  color: #667089;
  font-size: 12px;
}
@media (max-width: 900px) {
  .shell, .layout-doc, .g2, .foot-in { grid-template-columns: 1fr; }
  .rail, .aside { position: static; }
  .cards, .g3 { grid-template-columns: 1fr; }
  .burger { display: inline-flex; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; }
  .header-in.open .nav { display: flex; }
  .nav .cta { margin-left: 0; text-align: center; }
}