/* ==========================================================================
   Bioinfoeasy — landing page
   ========================================================================== */

:root {
  --bg: #fbfcfd;
  --surface: #ffffff;
  --surface-2: #f3f6f8;
  --ink: #101720;
  --ink-2: #364150;
  --ink-soft: #5a6675;
  --ink-faint: #8a939f;
  --line: #e3e8ee;
  --line-soft: #eef1f5;
  --accent: #0e9384;
  --accent-2: #1d6fd0;
  --accent-ink: #ffffff;
  --accent-soft: rgba(14, 147, 132, .10);
  --shadow: 0 1px 2px rgba(16, 23, 32, .04), 0 8px 24px -12px rgba(16, 23, 32, .16);
  --shadow-lg: 0 2px 4px rgba(16, 23, 32, .05), 0 18px 44px -18px rgba(16, 23, 32, .28);
  --radius: 14px;
  --wrap: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto,
          "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", "Courier New", monospace;
}

[data-theme="dark"] {
  --bg: #0d1116;
  --surface: #141a21;
  --surface-2: #1a212a;
  --ink: #e9eef4;
  --ink-2: #c6cdd7;
  --ink-soft: #98a3b0;
  --ink-faint: #6e7885;
  --line: #242c36;
  --line-soft: #1c242d;
  --accent: #2dd4bf;
  --accent-2: #6ea8ff;
  --accent-ink: #052622;
  --accent-soft: rgba(45, 212, 191, .13);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px -14px rgba(0, 0, 0, .6);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, .35), 0 20px 48px -20px rgba(0, 0, 0, .7);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--mono);
  font-size: .88em;
  padding: .1em .38em;
  border-radius: 5px;
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  color: var(--ink-2);
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(18px, 4vw, 32px); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--surface); color: var(--ink);
  padding: 10px 16px; z-index: 99; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ---------- nav ---------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 18px;
  padding: 12px clamp(18px, 4vw, 32px);
  background: var(--bg);                                        /* 老浏览器兜底 */
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.nav.is-stuck { border-bottom-color: var(--line); box-shadow: var(--shadow); }

.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand__mark { font-size: 19px; filter: saturate(.9); }
.brand__name { font-size: 16px; letter-spacing: -.01em; }

.nav__links { display: flex; gap: 4px; margin-left: auto; }
.nav__links a {
  padding: 7px 11px; border-radius: 9px;
  font-size: 14px; color: var(--ink-soft); font-weight: 500;
}
.nav__links a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.nav__links a.is-active { color: var(--accent); background: var(--accent-soft); }

.nav__actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; padding: 0;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--surface); color: var(--ink-2);
  font: inherit; font-size: 13px; cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
#langBtn { width: auto; padding: 0 10px; font-weight: 600; }

/* ---------- buttons ------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); font: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
  box-shadow: var(--shadow);
}
.btn--primary:hover { background: var(--accent); color: var(--accent-ink); filter: brightness(1.06); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--ink-soft); }
.btn--ghost:hover { background: var(--surface-2); }
.btn--sm { padding: 7px 12px; font-size: 13px; }
.btn--lg { padding: 12px 22px; font-size: 15px; }

/* ---------- hero --------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(48px, 8vw, 92px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(70px); opacity: .5;
}
.orb--a { width: 460px; height: 460px; left: -120px; top: -140px; background: var(--accent); opacity: .22; }
.orb--b { width: 380px; height: 380px; right: 12%; top: -80px; background: var(--accent-2); opacity: .16; }
.orb--c { width: 320px; height: 320px; left: 46%; bottom: -180px; background: var(--accent); opacity: .12; }
[data-theme="dark"] .orb { opacity: .2; }
[data-theme="dark"] .orb--b { opacity: .16; }

.hero__inner {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 32px);
  text-align: center;
}

.pill {
  display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center;
  padding: 5px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface);
  font-size: 12.5px; font-weight: 600; color: var(--ink-soft);
  box-shadow: var(--shadow);
}
.pill a { color: var(--accent); }
.pill__note { font-style: normal; font-weight: 500; color: var(--ink-faint); }

.hero__title {
  margin: 20px 0 6px;
  font-size: clamp(42px, 7.5vw, 74px);
  line-height: 1.04; letter-spacing: -.035em; font-weight: 800;
  background: linear-gradient(96deg, var(--ink) 12%, var(--accent) 60%, var(--accent-2) 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__tag {
  margin: 0 0 18px;
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 600; color: var(--ink-2); letter-spacing: -.01em;
}
.hero__lead {
  margin: 0 auto 28px; max-width: 640px;
  font-size: 15.5px; color: var(--ink-soft); line-height: 1.72;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

.stats {
  list-style: none; margin: 40px 0 0; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px 34px;
}
.stats li { display: flex; flex-direction: column; align-items: center; min-width: 92px; }
.stats b { font-size: 24px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.stats span { font-size: 12.5px; color: var(--ink-faint); }

.hero__art {
  position: absolute; right: clamp(-10px, 3vw, 60px); top: 30%;
  width: 120px; height: 420px; opacity: .55; pointer-events: none;
}
.hero__art svg { width: 100%; height: 100%; overflow: hidden; }
.hero__art {
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent);
          mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent);
}
/* 图案每 H/2 = 210px 重复一次，纵向漂移整半屏即可无缝 */
.hero__art svg .helix__g { animation: helixDrift 26s linear infinite; }
@keyframes helixDrift {
  from { transform: translateY(0); }
  to   { transform: translateY(-210px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__art svg .helix__g { animation: none; }
}
@media (max-width: 1180px) { .hero__art { display: none; } }

/* ---------- sections ----------------------------------------------------- */
.section { padding: clamp(52px, 7vw, 88px) 0; scroll-margin-top: 70px; }
.section--alt { background: var(--surface-2); border-block: 1px solid var(--line-soft); }

.eyebrow {
  margin: 0 0 8px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
}
.h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.18; letter-spacing: -.025em; font-weight: 750;
}
.lead { margin: 0 0 32px; max-width: 680px; color: var(--ink-soft); font-size: 16px; }
.hint { margin: 22px 0 0; font-size: 13.5px; color: var(--ink-faint); }

/* ---------- cards -------------------------------------------------------- */
.grid { display: grid; gap: 16px; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); }

.card {
  padding: 22px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.card h3 { margin: 0 0 8px; font-size: 15.5px; font-weight: 700; letter-spacing: -.01em; }
.card p { margin: 0; font-size: 14px; color: var(--ink-soft); line-height: 1.66; }
.card__icon { display: block; font-size: 22px; margin-bottom: 12px; }

/* ---------- modules ------------------------------------------------------ */
.mods { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.mod {
  padding: 22px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.mod:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.mod header { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.mod h3 { margin: 0; font-size: 16px; font-weight: 700; }
.mod h3 code { font-size: 14px; background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.mod__count { font-size: 12px; font-weight: 600; color: var(--ink-faint); white-space: nowrap; }
.mod p { margin: 0 0 14px; font-size: 14px; color: var(--ink-soft); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--mono); font-size: 11.5px;
  padding: 3px 9px; border-radius: 7px;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  color: var(--ink-soft);
}

/* ---------- what's new --------------------------------------------------- */
.news { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.news li {
  position: relative;
  padding: 14px 18px 14px 40px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  font-size: 14.5px; color: var(--ink-soft);
}
.news li::before {
  content: ""; position: absolute; left: 17px; top: 22px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
}
.news b { color: var(--ink); font-weight: 700; }

/* ---------- code --------------------------------------------------------- */
.code {
  margin: 0 0 16px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); overflow: hidden; box-shadow: var(--shadow);
}
.code__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 12px 9px 16px;
  border-bottom: 1px solid var(--line-soft); background: var(--surface-2);
}
.code__label { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); }
.copy {
  padding: 5px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--ink-2); font: inherit; font-size: 12.5px; font-weight: 600; cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.copy:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.copy.is-done { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; }
.code code {
  display: block; padding: 0; border: 0; background: none;
  font-size: 13px; line-height: 1.7; color: var(--ink-2); white-space: pre;
}

/* ---------- citation DOI cards ------------------------------------------- */
.doi-list {
  list-style: none; margin: 0 0 18px; padding: 0;
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.doi-item {
  position: relative; padding: 18px 20px 18px 22px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 7px;
}
.doi-item.is-rec {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft), transparent 62%), var(--surface);
}
.doi-item::before {
  content: ''; position: absolute; left: 0; top: 14px; bottom: 14px;
  width: 3px; border-radius: 999px; background: var(--line);
}
.doi-item.is-rec::before { background: var(--accent); }

.doi-item__k {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 12px; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; color: var(--ink-faint);
}
.doi-item__badge {
  padding: 2px 8px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-size: 10.5px; font-weight: 700; letter-spacing: .04em; font-style: normal;
}
.doi-item__v {
  font-family: var(--mono);
  font-size: 15px; font-weight: 600; letter-spacing: -.01em; word-break: break-all;
}
.doi-item__n { font-size: 13px; line-height: 1.6; color: var(--ink-soft); }

/* ---------- online tool -------------------------------------------------- */
.online {
  display: flex; align-items: center; gap: 18px;
  padding: 24px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); color: var(--ink);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.online:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); text-decoration: none; }
.online__icon {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px;
  background: var(--accent-soft); color: var(--accent);
}
.online__body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.online__body b { font-size: 16px; font-weight: 700; }
.online__body span { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.online__go { flex: none; margin-left: auto; font-size: 20px; color: var(--accent); }

/* ---------- footer ------------------------------------------------------- */
.footer {
  padding: 48px 0 28px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.footer__inner {
  display: grid; gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.footer__col { display: flex; flex-direction: column; gap: 7px; font-size: 14px; color: var(--ink-soft); }
.footer__col h4 {
  margin: 0 0 6px; font-size: 11.5px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint);
}
.footer__col a { color: var(--ink-2); }
.footer__col a:hover { color: var(--accent); }
.footer__brand { margin: 0; font-size: 16px; font-weight: 700; color: var(--ink); }
.footer__note { margin: 0; font-size: 13px; color: var(--ink-faint); line-height: 1.6; }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  margin-top: 32px; padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px; color: var(--ink-faint);
}

/* ---------- reveal ------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .5s ease, transform .5s ease; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive --------------------------------------------------- */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__actions { margin-left: auto; }
}
@media (max-width: 560px) {
  .hero__cta .btn { flex: 1 1 100%; justify-content: center; }
  .stats { gap: 14px 20px; }
  .stats li { min-width: 74px; }
  .online { flex-wrap: wrap; }
  .online__go { display: none; }
}

/* ---------- hero download hint --------------------------------------- */
.hero__dlhint {
  margin: 14px 0 0;
  font-size: 12.5px; color: var(--ink-faint); letter-spacing: .01em;
}

/* ---------- download section ----------------------------------------- */
.section--dl { background: linear-gradient(180deg, var(--accent-soft), transparent 46%); }

.dl-card {
  padding: clamp(22px, 3.2vw, 34px);
  max-width: 860px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
}
.dl-card__head { margin-bottom: 20px; }
.dl-card__title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.dl-card__ver {
  font-family: var(--mono); font-size: 26px; font-weight: 700;
  letter-spacing: -.02em; color: var(--ink);
}
.dl-card__tag {
  padding: 3px 10px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
.dl-card__sub { margin: 6px 0 0; font-size: 13.5px; color: var(--ink-faint); }

.dl-meta {
  display: grid; gap: 12px; margin: 0 0 22px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.dl-meta > div {
  min-width: 0; padding: 12px 14px;
  border: 1px solid var(--line-soft); border-radius: 10px; background: var(--surface-2);
}
.dl-meta dt {
  margin-bottom: 4px; font-size: 10.5px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint);
}
.dl-meta dd {
  margin: 0; font-family: var(--mono); font-size: 13px;
  color: var(--ink-2); word-break: break-all;
}

.dl-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.dl-card__note {
  margin: 0 0 20px; padding-left: 12px;
  border-left: 2px solid var(--accent);
  font-size: 13.5px; line-height: 1.6; color: var(--ink-soft);
}

.dl-check {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  padding-top: 16px; border-top: 1px solid var(--line-soft);
}
.dl-check__k {
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-faint);
}
.dl-check code {
  flex: 1 1 320px; min-width: 0;
  font-size: 11.5px; word-break: break-all;
  background: var(--surface-2); border-color: var(--line-soft);
}
.copy--sm { padding: 4px 10px; font-size: 12px; border-radius: 8px; white-space: nowrap; }

.code--compact { margin: 12px 0 0; }
.code__bar-actions { display: flex; align-items: center; gap: 8px; }

.dl-older { margin-top: 26px; max-width: 860px; }
.dl-older h3 { margin: 0 0 10px; font-size: 13px; font-weight: 700; color: var(--ink-2); }
.dl-older ul {
  list-style: none; margin: 0 0 12px; padding: 0;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.dl-older li { display: inline-flex; align-items: center; gap: 8px; }
.dl-older a {
  font-family: var(--mono); font-size: 12.5px; font-weight: 600;
  padding: 4px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--surface);
}
.dl-older a:hover { border-color: var(--accent); text-decoration: none; }
.dl-older li span { font-size: 12px; color: var(--ink-faint); }

/* ---------- citation formats ------------------------------------------ */
.doi-item__copy { align-self: flex-start; margin-top: 4px; }

.cite-panel {
  padding: clamp(20px, 3vw, 28px);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.cite-panel__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 18px; flex-wrap: wrap; margin-bottom: 18px;
}
.cite-panel__intro h3 { margin: 0 0 5px; font-size: 16px; font-weight: 700; }
.cite-panel__intro p {
  margin: 0; max-width: 560px;
  font-size: 13.5px; line-height: 1.6; color: var(--ink-soft);
}
.cite-mode { display: flex; flex-direction: column; gap: 6px; flex: none; }
.cite-mode__label {
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint);
}
.seg {
  display: inline-flex; padding: 3px; gap: 2px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2);
}
.seg__btn {
  padding: 6px 13px; border: 0; border-radius: 7px;
  background: transparent; color: var(--ink-soft);
  font: inherit; font-size: 12.5px; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}
.seg__btn:hover { color: var(--ink); }
.seg__btn.is-on { background: var(--surface); color: var(--accent); box-shadow: var(--shadow); }

.tabs {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin-bottom: 12px; padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.tab {
  padding: 6px 12px; border: 1px solid transparent; border-radius: 8px;
  background: transparent; color: var(--ink-soft);
  font: inherit; font-size: 12.5px; font-weight: 600; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.tab:hover { background: var(--surface-2); color: var(--ink); }
.tab.is-on { background: var(--accent-soft); color: var(--accent); }

.cite-panel .code { margin: 0 0 14px; }
.cite-panel .code pre { max-height: 380px; overflow: auto; }
.cite-panel .hint { margin: 0; }

@media (max-width: 560px) {
  .cite-panel__head { align-items: flex-start; }
  .dl-actions .btn { flex: 1 1 100%; justify-content: center; }
  .dl-check code { flex-basis: 100%; }
  .code__bar-actions { gap: 5px; }
  .seg__btn { padding: 6px 10px; }
}