:root {
  --page: #f2f3f5;
  --sheet: #ffffff;
  --ink: #0d0d0d;
  --ink-2: #2b3038;
  --muted: #6a7280;
  --muted-2: #9aa1ab;
  --line: #e7e9ee;
  --line-soft: #f0f2f5;
  --chip: #f6f7f9;
  --dark: #0c1016;
  --dark-2: #141a22;
  --dark-line: #232b36;
  --dark-text: #e6edf3;
  --dark-muted: #8b949e;
  --blue: #1783ff;
  --radius-sheet: 32px;
  --radius-chip: 999px;
  --max: 1160px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

section { scroll-margin-top: 84px; }

/* ---------------- top bar ---------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(242, 243, 245, .84);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.topbar.is-stuck { border-bottom-color: var(--line); }

.topbar .wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 66px;
}

.mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  font-size: 16px;
  letter-spacing: -.01em;
}

.mark img { width: 28px; height: 28px; border-radius: 7px; }

.topnav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topnav .navlink {
  color: var(--ink-2);
  font-size: 14.5px;
  padding: 8px 10px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}

.topnav .navlink:hover { color: var(--ink); background: rgba(0, 0, 0, .04); }

.lang {
  display: inline-flex;
  background: #e8eaee;
  border-radius: var(--radius-chip);
  padding: 3px;
  margin: 0 4px;
}

.lang button,
.lang a {
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  line-height: 1;
  color: var(--muted);
  padding: 7px 12px;
  border-radius: var(--radius-chip);
  cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
}

.lang .is-on {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .1);
}

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-chip);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 22px;
  transition: transform .16s var(--ease), background .16s, box-shadow .16s;
  will-change: transform;
}

.btn:hover { transform: translateY(-1px); }

.btn-solid {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .16), 0 10px 24px -14px rgba(0, 0, 0, .55);
}

.btn-solid:hover { background: #1c1c1c; }

.btn-ghost { background: #e9ebef; color: var(--ink); }

.btn-ghost:hover { background: #dfe2e7; }

.btn-sm { padding: 9px 16px; font-size: 14px; }

.play-badge {
  border-radius: 10px;
  box-shadow: 0 4px 14px -6px rgba(13, 17, 23, .5);
  transition: transform .16s var(--ease), box-shadow .16s;
}

.play-badge:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(13, 17, 23, .55); }

/* ---------------- sheet ---------------- */

.sheet {
  max-width: var(--max);
  margin: 6px auto 36px;
  background: var(--sheet);
  border-radius: var(--radius-sheet);
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(13, 17, 23, .04), 0 24px 60px -40px rgba(13, 17, 23, .35);
}

/* ---------------- hero ---------------- */

.hero {
  position: relative;
  padding: 72px 40px 64px;
  background:
    radial-gradient(720px 300px at 50% -160px, rgba(23, 131, 255, .10), transparent 68%),
    linear-gradient(180deg, #fff 0%, #fcfcfd 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero-copy { text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-chip);
  padding: 6px 14px 6px 11px;
  font-size: 13px;
  color: var(--ink-2);
  box-shadow: 0 1px 2px rgba(13, 17, 23, .04);
  margin-bottom: 22px;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .16);
}

.wordmark {
  margin: 0 0 14px;
  font-size: clamp(40px, 5.4vw, 78px);
  line-height: .95;
  font-weight: 800;
  letter-spacing: -.045em;
  text-align: left;
}

.hero .tagline {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--ink);
}

.hero .lead {
  margin: 0 0 26px;
  max-width: 460px;
  color: var(--muted);
  font-size: 16px;
}

.hero-cta {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.hero-meta { font-size: 12.5px; color: var(--muted-2); margin-bottom: 26px; }

.chips {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.chips li {
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: var(--radius-chip);
  padding: 8px 17px;
  font-size: 14px;
  color: var(--ink-2);
}

.hero-visual { display: flex; justify-content: center; }

.phone {
  position: relative;
  width: 256px;
  background: linear-gradient(160deg, #20242c, #0a0d12 45%, #161a21);
  border-radius: 40px;
  padding: 10px;
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, .18),
    0 0 0 1px rgba(0, 0, 0, .5),
    0 44px 80px -34px rgba(13, 17, 23, .7);
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 18px;
  background: #0a0d12;
  border-radius: 999px;
  z-index: 2;
}

.phone-screen {
  border-radius: 32px;
  background: #0b0f15;
  padding: 36px 18px 24px;
  text-align: left;
}

.qr { display: block; width: 148px; margin: 6px auto 24px; }

.pair-lines {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 2.1;
  color: #c9d1d9;
}

.pair-lines .p { color: #7d8590; }
.pair-lines .g { color: #3fb950; }

.pair-lines .cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  vertical-align: -2px;
  background: #c9d1d9;
  animation: blink 1.1s steps(2, start) infinite;
}

/* ---------------- terminal ---------------- */

.term {
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .55);
  text-align: left;
}

.term-hero {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.term-hero::before {
  content: "";
  position: absolute;
  inset: -18% 8% 30%;
  background: radial-gradient(closest-side, rgba(23, 131, 255, .18), transparent 70%);
  filter: blur(30px);
  z-index: -1;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--dark-line);
}

.term-bar i { width: 9px; height: 9px; border-radius: 50%; background: #2f3641; }

.term-bar span {
  margin-left: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px;
  color: #6e7681;
  letter-spacing: .02em;
}

.term-body {
  padding: 18px 20px 22px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.9;
  color: #c9d1d9;
  overflow-x: auto;
}

.term-body .c { color: #7d8590; }
.term-body .g { color: #3fb950; }
.term-body .b { color: #58a6ff; }
.term-body .y { color: #d29922; }

.term-body .cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  vertical-align: -2px;
  background: #c9d1d9;
  animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink { to { visibility: hidden; } }

/* ---------------- sections ---------------- */

.section { padding: 76px 40px; border-top: 1px solid var(--line-soft); }

.section.tint { background: #fafbfc; }

.section-head { max-width: 620px; margin: 0 auto 44px; text-align: center; }

.section-label {
  display: block;
  margin-bottom: 12px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 650;
  letter-spacing: -.02em;
}

.section-head p { margin: 0; color: var(--muted); font-size: 16px; }

/* ---------------- steps ---------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.step {
  text-align: left;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  transition: border-color .18s, box-shadow .18s;
}

.step:hover {
  border-color: #d9dde4;
  box-shadow: 0 16px 34px -28px rgba(13, 17, 23, .5);
}

.step .num {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -.01em;
}

.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------------- features ---------------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 18px;
}

.feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 22px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s;
}

.feature:hover {
  transform: translateY(-2px);
  border-color: #d9dde4;
  box-shadow: 0 16px 34px -26px rgba(13, 17, 23, .55);
}

.feature .ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--chip);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  margin-bottom: 15px;
  color: var(--ink);
}

.feature .ico svg { width: 17px; height: 17px; }

.feature h3 { margin: 0 0 6px; font-size: 16px; font-weight: 650; letter-spacing: -.01em; }

.feature p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.6; }

/* ---------------- gallery ---------------- */

.gallery {
  background:
    radial-gradient(760px 340px at 50% -10%, rgba(23, 131, 255, .12), transparent 70%),
    var(--dark);
  color: var(--dark-text);
  padding: 74px 40px 80px;
  border-top: 0;
}

.gallery .section-head h2 { color: #fff; }
.gallery .section-head p { color: var(--dark-muted); }
.gallery .section-label { color: #6e7681; }

.gallery .row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.gallery .btn-ghost { background: #1d242e; color: var(--dark-text); }
.gallery .btn-ghost:hover { background: #262f3a; }

/* ---------------- panels (in-app previews) ---------------- */

.panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.panel {
  background: #0e131a;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 30px 60px -44px rgba(0, 0, 0, .95);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.panel .cap {
  margin: 14px 2px 2px;
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #6e7681;
  margin-top: auto;
}

.panel .term { box-shadow: none; border-color: #20262f; background: #0a0e14; }

.panel .term-body { font-size: 12px; line-height: 1.85; padding: 14px 15px 16px; }

/* 会话卡 */

.chat {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  color: #171a1f;
}

.chat-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 14px;
  border-bottom: 1px solid #eef0f3;
  font-size: 13px;
  font-weight: 600;
}

.chat-head .bars {
  width: 12px;
  height: 9px;
  border-top: 2px solid #8b949e;
  border-bottom: 2px solid #8b949e;
  position: relative;
}

.chat-head .bars::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 12px;
  height: 2px;
  background: #8b949e;
}

.chat-head small {
  margin-left: auto;
  font-size: 11px;
  font-weight: 400;
  color: #9aa1ab;
}

.chat-tabs { display: flex; gap: 6px; padding: 10px 12px 2px; }

.chat-tabs span {
  font-size: 11.5px;
  border: 1px solid #e6e8ec;
  border-radius: 999px;
  padding: 4px 11px;
  color: #4a5260;
}

.chat-body { padding: 8px 14px 16px; font-size: 12.5px; line-height: 1.65; }

.bubble {
  background: #f4f5f7;
  border-radius: 12px;
  padding: 8px 11px;
  color: #2b3038;
  max-width: 92%;
  margin-bottom: 10px;
}

.chat-body .tool {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px;
  color: #57606a;
  margin: 5px 0;
}

.chat-body .tool b { color: #1a7f37; font-weight: 600; }

.chat-body .meta {
  font-size: 11px;
  color: #9aa1ab;
  margin: 2px 0 10px;
}

.chat-input {
  margin-top: 6px;
  border: 1px solid #e6e8ec;
  border-radius: 12px;
  padding: 9px 11px;
  font-size: 12px;
  color: #9aa1ab;
}

/* 审批通知卡 */

.notif {
  background: #fff;
  border-radius: 14px;
  padding: 13px 14px;
  color: #171a1f;
  box-shadow: 0 16px 30px -24px rgba(0, 0, 0, .9);
}

.notif .row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: #6a7280;
}

.notif .icon {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--blue);
}

.notif strong {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin: 9px 0 5px;
  color: #12151a;
}

.notif code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #f2f4f7;
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 12px;
}

.notif .acts { display: flex; gap: 8px; margin-top: 11px; }

.notif .acts span {
  flex: 1;
  text-align: center;
  font-size: 12px;
  padding: 7px 0;
  border-radius: 999px;
  border: 1px solid #e3e6ea;
  color: #3d4756;
}

.notif .acts span.primary {
  background: #0d0d0d;
  border-color: #0d0d0d;
  color: #fff;
}

.notif-sub {
  margin: 12px 2px 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dark-muted);
}

/* ---------------- spec strip ---------------- */

.specs {
  display: flex;
  flex-wrap: wrap;
  margin-top: 46px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.specs div {
  flex: 1 1 0;
  min-width: 150px;
  padding: 15px 12px 16px;
  border-left: 1px solid var(--line);
  text-align: center;
}

.specs div:first-child { border-left: 0; }

.specs b {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.005em;
}

.specs span {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted-2);
}

/* ---------------- faq ---------------- */

.faq { max-width: 760px; margin: 0 auto; counter-reset: q; }

.faq details { border-bottom: 1px solid var(--line); }

.faq details:last-child { border-bottom: 0; }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 16px;
  padding: 17px 2px;
  font-size: 16px;
  font-weight: 550;
  color: var(--ink-2);
  transition: color .15s;
}

.faq summary::before {
  counter-increment: q;
  content: counter(q, decimal-leading-zero);
  flex: none;
  padding-top: 3px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted-2);
}

.faq summary:hover { color: var(--ink); }

.feature { position: relative; }

.feature::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: transparent;
  transition: background .2s var(--ease);
}

.feature:hover::after { background: var(--blue); }

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  color: var(--muted-2);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.2;
  transition: transform .2s var(--ease);
}

.faq details[open] summary::after { content: "–"; }

.faq p { margin: -4px 0 18px; padding-right: 30px; color: var(--muted); font-size: 15px; }

/* ---------------- privacy note ---------------- */

.note {
  padding: 52px 40px 58px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  gap: 26px;
  align-items: flex-start;
  flex-wrap: wrap;
  justify-content: space-between;
}

.note-body { max-width: 660px; }

.note h2 { margin: 0 0 8px; font-size: 19px; font-weight: 650; letter-spacing: -.01em; }

.note p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------------- footer ---------------- */

.footer {
  max-width: var(--max);
  margin: 0 auto 34px;
  padding: 20px 28px 0;
  color: var(--muted-2);
  font-size: 13.5px;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.footer a { color: var(--muted); }
.footer a:hover { color: var(--ink); }

.footer .links { display: flex; gap: 18px; flex-wrap: wrap; }

.footer .disclaimer {
  margin: 14px 0 0;
  max-width: 780px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted-2);
}

/* ---------------- legal ---------------- */

.legal { padding: 54px 40px 76px; }

.legal .back { display: inline-block; color: var(--muted); font-size: 14px; margin-bottom: 20px; }

.legal .back:hover { color: var(--ink); }

.legal h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4.2vw, 38px);
  font-weight: 700;
  letter-spacing: -.025em;
}

.legal .meta {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  padding-bottom: 26px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.legal h2 { margin: 40px 0 12px; font-size: 18.5px; font-weight: 650; letter-spacing: -.01em; }

.legal h3 { margin: 24px 0 8px; font-size: 15.5px; font-weight: 600; }

.legal p, .legal li { color: var(--ink-2); font-size: 15.5px; }

.legal ul { padding-left: 20px; }

.legal li { margin-bottom: 6px; }

.legal a { color: var(--blue); word-break: break-word; }

.legal code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  white-space: nowrap;
}

.legal table { width: 100%; border-collapse: collapse; margin: 14px 0 6px; font-size: 14.5px; }

.legal th, .legal td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--line);
  vertical-align: top;
  color: var(--ink-2);
}

.legal th { background: var(--chip); font-weight: 600; color: var(--ink); }

.legal .callout {
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 18px 0;
  color: var(--ink-2);
  font-size: 15px;
}

/* ---------------- reveal ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- responsive ---------------- */

@media (max-width: 860px) {
}

@media (max-width: 760px) {
  .wrap { padding: 0 18px; }
  .topbar .wrap { height: 60px; }
  .topnav .navlink.hide-sm { display: none; }
  .sheet { margin: 4px 10px 26px; border-radius: 22px; }
  .hero { padding: 50px 20px 46px; }
  .hero .lead { font-size: 15.5px; }
  .chips { gap: 8px; margin-bottom: 38px; }
  .chips li { font-size: 13px; padding: 7px 14px; }
  .term-body { font-size: 12px; padding: 14px 16px 18px; }
  .section { padding: 54px 20px; }
  .steps { gap: 14px; }
  .step { padding: 22px 20px; }
  .gallery { padding: 54px 20px 60px; }
  .note { padding: 40px 20px 46px; }
  .legal { padding: 40px 20px 56px; }
  .footer { padding: 18px 18px 0; }
  .section-head { margin-bottom: 32px; }
  .hero-grid { display: block; }
  .hero .wordmark { font-size: clamp(40px, 11vw, 60px); }
  .hero .lead { max-width: none; }
  .hero-visual { margin-top: 44px; }
  .specs div { min-width: 46%; }
}

/* ---------------- motion & hover ---------------- */

@media (prefers-reduced-motion: no-preference) {
  .eyebrow .dot { animation: pulse-dot 2.4s ease-in-out infinite; }
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, .16); }
  50% { box-shadow: 0 0 0 7px rgba(34, 197, 94, .06); }
}

.faq summary:hover::before { color: var(--blue); }

/* ---------------- guide ---------------- */

.legal pre {
  background: #0d1117;
  color: #e6edf3;
  border-radius: 12px;
  padding: 16px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.8;
  overflow-x: auto;
  margin: 14px 0 20px;
}

.legal pre .c { color: #7d8590; }

.legal b { color: var(--ink); font-weight: 600; }