:root {
  color-scheme: dark;
  --bg: #070611;
  --panel: #100e20;
  --panel-soft: #17132b;
  --line: rgba(169, 154, 255, 0.2);
  --ink: #f6f2ff;
  --muted: #aaa3c2;
  --purple: #8b78f6;
  --teal: #36c9aa;
  --up: #e64545;
  --down: #2eaa6d;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% -10%, rgba(114, 89, 233, 0.2), transparent 38rem),
    radial-gradient(circle at 100% 35%, rgba(54, 201, 170, 0.08), transparent 32rem),
    var(--bg);
  font-family: var(--sans);
  line-height: 1.78;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.25rem;
  padding: 0 clamp(1.5rem, 4vw, 4.2rem);
  overflow: hidden;
  border-bottom: 1px solid rgba(139, 120, 246, 0.13);
  background:
    radial-gradient(circle at 4% -30%, rgba(115, 86, 229, 0.26), transparent 20rem),
    radial-gradient(circle at 55% 10%, rgba(19, 52, 76, 0.28), transparent 31rem),
    linear-gradient(90deg, #080711 0%, #07101a 58%, #080913 100%);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.2);
}
.site-header::before {
  content: "";
  position: absolute;
  top: -3.5rem;
  left: 61%;
  width: 5.5rem;
  height: 12rem;
  transform: skewX(-5deg);
  background: linear-gradient(90deg, transparent, rgba(61, 109, 156, 0.13), rgba(80, 132, 177, 0.06), transparent);
  filter: blur(1px);
  pointer-events: none;
}
.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.48;
  background:
    radial-gradient(circle at 23% 37%, rgba(197, 200, 228, 0.72) 0 1px, transparent 1.5px),
    radial-gradient(circle at 41% 21%, rgba(147, 160, 196, 0.52) 0 0.8px, transparent 1.4px),
    radial-gradient(circle at 68% 39%, rgba(163, 178, 211, 0.42) 0 0.8px, transparent 1.4px),
    radial-gradient(circle at 79% 19%, rgba(128, 151, 191, 0.38) 0 0.7px, transparent 1.3px),
    radial-gradient(circle at 91% 57%, rgba(151, 161, 197, 0.34) 0 0.7px, transparent 1.3px);
  pointer-events: none;
}
.site-header > * { position: relative; z-index: 1; }
.brand { display: inline-flex; align-items: center; gap: 0.78rem; color: #f2f1f7; text-decoration: none; }
.brand-mark { display: block; width: 2.65rem; height: 2.65rem; filter: drop-shadow(0 0 8px rgba(139, 120, 255, 0.28)); }
.brand-label { font-size: 1.18rem; font-weight: 750; letter-spacing: -0.02em; }
.header-user { display: inline-flex; width: 2.6rem; height: 2.6rem; align-items: center; justify-content: center; color: #d4d2dd; opacity: 0.88; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease; }
.header-user:hover { color: #fff; opacity: 1; transform: translateY(-1px); }
.header-user svg { width: 1.45rem; height: 1.45rem; }
.wrap { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }
.breadcrumbs { padding-top: 1.4rem; color: var(--muted); font-size: 0.86rem; }
.breadcrumbs a { text-decoration: none; }
.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 3.5rem; }
.eyebrow { color: var(--teal); font-weight: 700; letter-spacing: 0.16em; font-size: 0.78rem; }
h1 { max-width: 18em; margin: 0.8rem 0 1.2rem; font-size: clamp(2.25rem, 6vw, 4.8rem); line-height: 1.14; letter-spacing: -0.035em; }
.lead { max-width: 48rem; color: #d2cce3; font-size: clamp(1.05rem, 2vw, 1.25rem); }
.notice {
  margin-top: 1.5rem;
  max-width: 48rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--teal);
  background: rgba(54, 201, 170, 0.08);
  color: #c9efe7;
}
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 2rem; align-items: start; }
main article { min-width: 0; }
.section {
  margin-bottom: 1.4rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: linear-gradient(145deg, rgba(23, 19, 43, 0.92), rgba(13, 11, 27, 0.94));
}
h2 { margin: 0 0 0.7rem; font-size: clamp(1.35rem, 3vw, 1.9rem); line-height: 1.35; }
h3 { margin: 1.2rem 0 0.4rem; font-size: 1.05rem; }
p { margin: 0.65rem 0; }
ul, ol { padding-left: 1.35rem; }
li + li { margin-top: 0.4rem; }
.section strong { color: #fff; }
.side {
  position: sticky;
  top: 5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(16, 14, 32, 0.86);
}
.side h2 { font-size: 1rem; }
.side nav { display: grid; gap: 0.4rem; }
.side a { padding: 0.48rem 0.62rem; border-radius: 0.55rem; color: var(--muted); text-decoration: none; }
.side a:hover, .side a[aria-current="page"] { background: rgba(139, 120, 246, 0.14); color: #fff; }
.faq details { border-top: 1px solid var(--line); padding: 0.9rem 0; }
.faq details:first-of-type { border-top: 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { color: #cdc7dc; }
.cta-box {
  margin: 2rem 0 4rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border-radius: 1.2rem;
  background: linear-gradient(130deg, rgba(114, 89, 233, 0.32), rgba(54, 201, 170, 0.13));
}
.cta-box a { display: inline-block; margin-top: 0.8rem; padding: 0.75rem 1rem; border-radius: 999px; background: #fff; color: #141022; font-weight: 800; text-decoration: none; }
footer { padding: 2.3rem 1rem; border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: 0.86rem; }
footer p { max-width: 54rem; margin: 0.45rem auto; }

/* 旧检索终端样式：入口现已收敛到 /help，保留到本批改动整体落库后再做机械清理。 */
.terminal-page {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 8%, rgba(69, 218, 199, 0.12), transparent 28rem),
    radial-gradient(circle at 8% 34%, rgba(116, 94, 244, 0.18), transparent 34rem),
    #05050c;
}
.terminal-shell {
  position: relative;
  isolation: isolate;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 8rem) 0 5rem;
}
.terminal-grid {
  position: absolute;
  z-index: -1;
  inset: 0 50% auto;
  width: 100vw;
  height: 46rem;
  transform: translateX(-50%);
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(139, 120, 246, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 120, 246, 0.16) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(#000 0, transparent 88%);
}
.terminal-hero { position: relative; max-width: 980px; }
.terminal-hero::after {
  content: "";
  position: absolute;
  top: -3rem;
  right: -10rem;
  width: 22rem;
  height: 22rem;
  border: 1px solid rgba(54, 201, 170, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(54, 201, 170, 0.08), inset 0 0 80px rgba(54, 201, 170, 0.05);
  pointer-events: none;
}
.terminal-kicker,
.terminal-clock,
.search-console label,
.search-status,
.quick-queries,
.panel-heading span,
.panel-heading p,
.result-state,
.result-index,
.terminal-boundary span {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: 0.12em;
}
.terminal-kicker { display: flex; align-items: center; gap: 0.7rem; color: #83ead9; font-size: 0.74rem; font-weight: 800; }
.terminal-kicker span { width: 2.4rem; height: 1px; background: #83ead9; box-shadow: 0 0 12px #36c9aa; }
.terminal-clock { margin-top: 1.1rem; color: #6d6882; font-size: 0.68rem; }
.terminal-clock b { color: #36c9aa; }
.terminal-hero h1 {
  max-width: none;
  margin-top: 1.1rem;
  font-size: clamp(3.2rem, 10vw, 7.7rem);
  letter-spacing: -0.065em;
  background: linear-gradient(102deg, #fff 0, #e3dcff 42%, #86e8d8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.terminal-lead { max-width: 48rem; color: #b8b2ca; font-size: clamp(1rem, 2vw, 1.18rem); }
.search-console {
  position: relative;
  margin-top: clamp(2rem, 5vw, 3.4rem);
  padding: 0.8rem;
  border: 1px solid rgba(131, 234, 217, 0.28);
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(15, 15, 29, 0.94), rgba(11, 10, 24, 0.86));
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.34), inset 0 0 34px rgba(54, 201, 170, 0.03);
  overflow: hidden;
}
.search-console::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 -30%;
  width: 22%;
  background: linear-gradient(90deg, transparent, rgba(54, 201, 170, 0.08), transparent);
  animation: terminal-scan 5.8s linear infinite;
  pointer-events: none;
}
@keyframes terminal-scan { to { transform: translateX(650%); } }
.search-console label { display: block; padding: 0.1rem 0.45rem 0.55rem; color: #78738e; font-size: 0.63rem; }
.search-line { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.75rem; min-height: 4.7rem; padding: 0 1rem; border: 1px solid rgba(139, 120, 246, 0.25); border-radius: 0.72rem; background: rgba(5, 5, 12, 0.82); }
.search-glyph { color: #83ead9; font-size: 2rem; line-height: 1; text-shadow: 0 0 18px rgba(54, 201, 170, 0.65); }
.search-line input { min-width: 0; border: 0; outline: 0; background: transparent; color: #fff; font: 700 clamp(1rem, 2.5vw, 1.35rem)/1.3 var(--sans); caret-color: #83ead9; }
.search-line input::placeholder { color: #625d76; opacity: 1; }
.search-line:focus-within { border-color: rgba(131, 234, 217, 0.65); box-shadow: 0 0 0 3px rgba(54, 201, 170, 0.08), inset 0 0 22px rgba(54, 201, 170, 0.035); }
.search-line kbd { padding: 0.28rem 0.48rem; border: 1px solid #373247; border-bottom-color: #555064; border-radius: 0.35rem; color: #8f899f; background: #141220; font: 0.7rem ui-monospace, monospace; }
.search-status { display: flex; justify-content: space-between; gap: 1rem; padding: 0.75rem 0.45rem 0.05rem; color: #777188; font-size: 0.62rem; }
.search-status span { color: #8fecd9; }
.search-status i { display: inline-block; width: 0.42rem; height: 0.42rem; margin-right: 0.35rem; border-radius: 50%; background: #36c9aa; box-shadow: 0 0 12px #36c9aa; }
.quick-queries { display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem; margin-top: 1rem; color: #666176; font-size: 0.62rem; }
.quick-queries button { padding: 0.42rem 0.65rem; border: 1px solid rgba(139, 120, 246, 0.22); border-radius: 999px; color: #aaa4ba; background: rgba(13, 12, 25, 0.72); cursor: pointer; font: inherit; }
.quick-queries button:hover, .quick-queries button:focus-visible { border-color: rgba(131, 234, 217, 0.54); color: #fff; outline: 0; }
.results-panel { margin-top: clamp(4rem, 9vw, 7rem); }
.panel-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 1.2rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(139, 120, 246, 0.22); }
.panel-heading span { color: #83ead9; font-size: 0.65rem; }
.panel-heading h2 { margin: 0.25rem 0 0; font-size: clamp(1.8rem, 4vw, 3rem); }
.panel-heading p { color: #696478; font-size: 0.62rem; }
.result-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
.topic-result { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 1rem; min-height: 14rem; padding: 1.3rem; border: 1px solid rgba(139, 120, 246, 0.17); border-radius: 0.9rem; background: linear-gradient(145deg, rgba(18, 16, 35, 0.9), rgba(8, 8, 17, 0.94)); text-decoration: none; overflow: hidden; transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease; }
.topic-result[hidden], .no-results[hidden] { display: none; }
.topic-result::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, #7b68ef, #36c9aa); transition: transform 0.28s ease; }
.topic-result:hover { transform: translateY(-3px); border-color: rgba(131, 234, 217, 0.38); background: linear-gradient(145deg, rgba(25, 22, 49, 0.96), rgba(9, 10, 20, 0.98)); }
.topic-result:hover::after { transform: scaleX(1); }
.result-index { color: #565064; font-size: 0.72rem; }
.result-body { display: flex; min-width: 0; flex-direction: column; }
.result-state { color: #6d687a; font-size: 0.55rem; }
.result-state i { display: inline-block; width: 0.34rem; height: 0.34rem; margin-right: 0.32rem; border-radius: 50%; background: #36c9aa; }
.result-body > strong { margin-top: 1.1rem; font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.2; }
.result-body > span:not(.result-state):not(.result-tags) { margin-top: 0.65rem; color: #9791a8; font-size: 0.88rem; line-height: 1.7; }
.result-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: auto; padding-top: 1rem; }
.result-tags b { padding: 0.28rem 0.45rem; border: 1px solid rgba(139, 120, 246, 0.2); border-radius: 0.35rem; color: #858096; font-size: 0.62rem; font-weight: 500; }
.result-arrow { color: #7d7691; font-size: 1rem; transition: color 0.2s ease, transform 0.2s ease; }
.topic-result:hover .result-arrow { color: #83ead9; transform: translate(2px, -2px); }
.no-results { padding: 3rem 1.5rem; border: 1px dashed rgba(131, 234, 217, 0.25); border-radius: 0.9rem; text-align: center; color: #8d879e; }
.no-results strong { color: #83ead9; font: 800 0.72rem ui-monospace, monospace; letter-spacing: 0.14em; }
.no-results button { margin-top: 0.8rem; padding: 0.6rem 0.8rem; border: 1px solid rgba(139, 120, 246, 0.34); border-radius: 0.5rem; background: #151226; color: #fff; cursor: pointer; }
.terminal-boundary { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 0.55rem 1.5rem; margin-top: 2rem; padding: 1.4rem; border: 1px solid rgba(139, 120, 246, 0.14); border-radius: 0.7rem; background: rgba(9, 8, 18, 0.74); }
.terminal-boundary span { color: #6f6980; font-size: 0.58rem; }
.terminal-boundary p { margin: 0; color: #9892a8; font-size: 0.82rem; }

@media (prefers-reduced-motion: reduce) {
  .search-console::before { animation: none; }
  .topic-result { transition: none; }
}

@media (max-width: 800px) {
  .content-grid { grid-template-columns: 1fr; }
  .side { position: static; order: -1; }
  .side nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .result-list { grid-template-columns: 1fr; }
  .terminal-hero::after { right: -15rem; }
}

@media (max-width: 520px) {
  .site-header { min-height: 4.35rem; padding: 0 1rem; }
  .brand { gap: 0.58rem; }
  .brand-mark { width: 2.25rem; height: 2.25rem; }
  .brand-label { font-size: 1.05rem; }
  .header-user { width: 2.35rem; height: 2.35rem; }
  .side nav { grid-template-columns: 1fr; }
  .terminal-shell { width: min(100% - 1.2rem, 1180px); padding-top: 3.5rem; }
  .terminal-hero::after { display: none; }
  .terminal-hero h1 { font-size: clamp(3rem, 16vw, 4.6rem); }
  .terminal-clock { max-width: 18rem; }
  .search-console { padding: 0.55rem; }
  .search-line { min-height: 4.2rem; padding: 0 0.7rem; }
  .search-line kbd { display: none; }
  .search-status { align-items: flex-start; flex-direction: column; gap: 0.25rem; }
  .quick-queries > span { width: 100%; }
  .panel-heading { align-items: flex-start; flex-direction: column; gap: 0.35rem; }
  .topic-result { min-height: 13rem; padding: 1.05rem; gap: 0.7rem; }
  .terminal-boundary { grid-template-columns: 1fr; }
  .terminal-boundary p + span { margin-top: 0.7rem; }
}