/* opi static site — section layouts. */

/* ---------- Hero ---------- */
.hero { overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(320px, .96fr); align-items: center; gap: clamp(18px, 3vw, 54px); }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 9.4em; }
.hero h1 em { position: relative; }
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 2%;
  right: -2%;
  bottom: .04em;
  height: .12em;
  z-index: -1;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(245, 166, 180, .7), rgba(217, 85, 63, .12));
  transform: rotate(-1deg);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 0; margin: 0 0 24px; padding: 0; list-style: none; }
.hero-facts li { display: flex; align-items: baseline; gap: 7px; padding: 0 clamp(14px, 2vw, 24px); border-left: 1px solid var(--line); }
.hero-facts li:first-child { padding-left: 0; border-left: 0; }
.hero-facts b { font-family: var(--font-mono); font-size: 1.18rem; letter-spacing: -.04em; }
.hero-facts span { color: var(--ink-faint); font-size: .7rem; letter-spacing: .05em; }
.hero-byline { margin: 0; color: var(--ink-faint); font-size: .76rem; }
.hero-byline a { border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.hero-byline a:hover { color: var(--primary-deep); border-color: var(--primary); }

.hero-art { position: relative; aspect-ratio: 1; min-height: 360px; isolation: isolate; }
.hero-art::before {
  content: "";
  position: absolute;
  inset: 14%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 139, 128, .14), transparent 66%);
  filter: blur(10px);
}
#pet-stage {
  width: 100%;
  height: 100%;
  background: transparent;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 58%, transparent 80%);
  mask-image: radial-gradient(circle at 50% 50%, #000 58%, transparent 80%);
}
.hero-pet-fallback {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(58%, 300px);
  height: auto;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 34px 34px rgba(20, 32, 29, .16));
  transition: opacity .6s var(--ease);
  animation: float-slow 6s ease-in-out infinite;
}
.three-ready .hero-pet-fallback { opacity: 0; animation-play-state: paused; }
.orbit-chip {
  position: absolute;
  z-index: 2;
  padding: 7px 12px;
  border: 1px solid rgba(20, 32, 29, .1);
  border-radius: 999px;
  background: rgba(255, 255, 255, .88);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .04em;
  box-shadow: 0 10px 24px -18px rgba(20, 32, 29, .5);
  animation: drift 7s ease-in-out infinite;
}
.chip-a { left: 2%; top: 19%; animation-delay: -1s; }
.chip-b { right: 1%; top: 34%; animation-delay: -3s; }
.chip-c { left: 12%; bottom: 17%; animation-delay: -5s; }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-50%);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.scroll-cue i {
  position: relative;
  width: 1px;
  height: 28px;
  overflow: hidden;
  background: var(--line);
}
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: var(--primary); animation: cue 2s ease-in-out infinite; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(280px, .74fr); align-items: center; gap: clamp(28px, 6vw, 90px); }
.about-copy h2 { max-width: 12em; }
.about-copy .body-lg { max-width: 36rem; margin-bottom: 16px; }
.about-copy .body { max-width: 36rem; }
.about-copy blockquote {
  margin: 30px 0 22px;
  padding: 20px 24px;
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(245, 166, 180, .15), rgba(255, 255, 255, .3));
  color: var(--ink);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  font-weight: 600;
  line-height: 1.6;
}
.about-copy cite { display: block; margin-top: 8px; color: var(--ink-faint); font-family: var(--font-mono); font-size: .68rem; font-style: normal; font-weight: 400; letter-spacing: .06em; }

.about-art { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 360px; }
.pet-halo {
  position: absolute;
  width: min(72%, 320px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 36% 30%, rgba(255, 255, 255, .9), rgba(46, 139, 128, .12) 56%, transparent 72%);
  box-shadow: inset 0 0 0 1px rgba(46, 139, 128, .08), 0 30px 60px -40px rgba(20, 32, 29, .35);
}
.about-pet { position: relative; width: min(64%, 280px); height: auto; margin: 8% 0 18px; filter: drop-shadow(0 24px 26px rgba(20, 32, 29, .14)); animation: float-slow 7s ease-in-out infinite; }
.about-caption { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--ink-faint); font-family: var(--font-mono); font-size: .62rem; letter-spacing: .08em; }
.about-caption span:first-child { color: var(--ink-soft); font-family: var(--font-sans); font-size: .82rem; font-weight: 650; letter-spacing: .02em; }
.pet-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: clamp(28px, 5vh, 52px); padding-top: 24px; border-top: 1px solid var(--line); }
.fact { display: flex; flex-direction: column; gap: 4px; padding-right: 12px; }
.fact-key { color: var(--ink); font-family: var(--font-mono); font-size: .7rem; font-weight: 700; letter-spacing: .06em; }
.fact span:last-child { color: var(--ink-faint); font-size: .76rem; }

/* ---------- Forms ---------- */
.forms { justify-content: center; }
.forms-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(8px, 1.2vw, 16px); }
.form-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 0;
  padding: 10px 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .56);
  cursor: pointer;
  text-align: center;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease);
}
.form-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 20%, color-mix(in srgb, var(--mood) 18%, transparent), transparent 68%);
  opacity: 0;
  transition: opacity .28s var(--ease);
}
.form-card:hover, .form-card:focus-visible { z-index: 2; border-color: color-mix(in srgb, var(--mood) 60%, var(--line)); background: rgba(255, 255, 255, .9); box-shadow: 0 24px 38px -28px color-mix(in srgb, var(--mood) 60%, transparent); transform: translateY(-6px) rotate(-1deg); }
.form-card:hover::before, .form-card:focus-visible::before { opacity: 1; }
.form-card img { position: relative; width: 100%; max-width: 96px; aspect-ratio: 1; object-fit: contain; }
.form-card strong { position: relative; font-size: .84rem; }
.form-card small { position: relative; color: var(--ink-faint); font-size: .66rem; letter-spacing: .03em; }
.forms-note { margin: 22px 0 0; color: var(--ink-faint); font-size: .72rem; line-height: 1.7; }

/* ---------- Features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 1.4vw, 18px); }
.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 200px;
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 18px 40px -38px rgba(20, 32, 29, .45);
  transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -52px;
  width: 140px;
  height: 140px;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: .5;
}
.feature-card:hover { transform: perspective(900px) translateY(-5px) rotateX(2.5deg); border-color: rgba(46, 139, 128, .34); background: rgba(255, 255, 255, .9); }
.feature-card .icon { margin-bottom: 26px; color: var(--primary-deep); }
.feature-num { position: absolute; right: 20px; top: 18px; color: var(--ink-faint); font-family: var(--font-mono); font-size: .64rem; letter-spacing: .08em; }
.feature-card h3 { margin-bottom: 8px; font-size: 1.04rem; }
.feature-card p { margin-bottom: 18px; color: var(--ink-soft); font-size: .8rem; line-height: 1.8; }
.tag { margin-top: auto; align-self: flex-start; padding: 4px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-faint); font-family: var(--font-mono); font-size: .6rem; letter-spacing: .03em; }

/* ---------- Timeline ---------- */
.timeline-track { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(16px, 2vw, 30px); margin: 0; padding: 0; list-style: none; }
.timeline-track::before { content: ""; position: absolute; left: 0; right: 0; top: 42px; height: 1px; background: linear-gradient(90deg, var(--line), rgba(46, 139, 128, .4), var(--line)); }
.phase { position: relative; padding-top: 62px; }
.phase-date { position: absolute; top: 0; left: 0; color: var(--ink-faint); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .04em; }
.phase-dot { position: absolute; top: 36px; left: 0; width: 13px; height: 13px; border: 3px solid var(--paper); border-radius: 50%; background: var(--mood); box-shadow: 0 0 0 1px var(--mood); }
.phase h3 { margin-bottom: 8px; font-size: 1.02rem; }
.phase p { margin: 0; color: var(--ink-soft); font-size: .8rem; line-height: 1.8; }

/* ---------- Releases ---------- */
.releases-grid { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); align-items: start; gap: clamp(30px, 7vw, 100px); }
.releases-copy { position: sticky; top: 120px; }
.releases-copy .body { max-width: 27rem; margin-bottom: 24px; }
.release-board { display: flex; flex-direction: column; min-width: 0; }
.release-latest { margin-bottom: 14px; border: 1px solid rgba(46, 139, 128, .3); border-left: 3px solid var(--primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: linear-gradient(90deg, rgba(46, 139, 128, .09), rgba(255, 255, 255, .55) 60%); }
.release-latest a { display: grid; grid-template-columns: 7.2rem 5.4rem minmax(0, 1fr) 1.2rem; align-items: center; gap: 12px; padding: 18px 16px; transition: background .2s var(--ease); }
.release-latest a:hover { background: rgba(46, 139, 128, .06); }
.release-latest .release-version { font-size: 1rem; }
.release-latest .release-note { color: var(--ink); font-size: .84rem; }
.release-scroll { height: clamp(260px, 40vh, 380px); overflow-y: auto; overscroll-behavior: contain; padding-right: 6px; border-block: 1px solid var(--line); scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; content-visibility: auto; contain-intrinsic-size: auto 320px; }
.release-scroll::-webkit-scrollbar { width: 8px; }
.release-scroll::-webkit-scrollbar-thumb { border-radius: 99px; background: var(--line-strong); }
.release-scroll-hint { margin: 10px 0 0; color: var(--ink-faint); font-family: var(--font-mono); font-size: .62rem; letter-spacing: .04em; }
.release-list { position: relative; margin: 0; padding: 0; list-style: none; }
.release-list::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.release-item { position: relative; border-bottom: 1px solid var(--line); }
.release-item::before { content: ""; position: absolute; left: 2px; top: 50%; width: 7px; height: 7px; border: 2px solid var(--paper); border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 1px rgba(46, 139, 128, .35); transform: translateY(-50%); }
.release-item a { position: relative; display: grid; grid-template-columns: 7.2rem 5.4rem minmax(0, 1fr) 1.2rem; align-items: center; gap: 12px; padding: 15px 6px 15px 22px; transition: background .2s var(--ease), padding .2s var(--ease); }
.release-item a:hover { padding-left: 28px; background: rgba(46, 139, 128, .05); }
.release-version { font-family: var(--font-mono); font-size: .82rem; font-weight: 700; letter-spacing: -.02em; }
.release-version b { margin-left: 4px; padding: 2px 5px; border-radius: 999px; background: var(--accent); color: #fff; font-family: var(--font-sans); font-size: .56rem; font-weight: 500; vertical-align: 2px; }
.release-date { color: var(--ink-faint); font-family: var(--font-mono); font-size: .62rem; }
.release-note { min-width: 0; overflow: hidden; color: var(--ink-soft); font-size: .78rem; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; white-space: normal; }
.release-arrow { color: var(--ink-faint); font-size: .82rem; transition: color .2s, transform .2s; }
.release-item a:hover .release-arrow, .release-latest a:hover .release-arrow { color: var(--accent); transform: translate(2px, -2px); }
.release-pet { display: flex; padding: 4px 0; pointer-events: none; }
.release-pet img { width: 56px; height: 56px; object-fit: contain; opacity: .92; filter: drop-shadow(0 8px 10px rgba(20, 32, 29, .12)); }
.release-pet.pet-a { justify-content: flex-start; padding-left: 18px; }
.release-pet.pet-a img { transform: rotate(-5deg); }
.release-pet.pet-b { justify-content: flex-end; padding-right: 10px; }
.release-pet.pet-b img { transform: rotate(4deg); }
.release-pet.pet-c { justify-content: center; transform: translateX(-16%); }
.release-pet.pet-c img { transform: rotate(-3deg); }
.release-pet.pet-d { justify-content: flex-end; padding-right: 30%; }
.release-pet.pet-d img { transform: rotate(6deg); }

/* ---------- Download ---------- */
.download { padding-top: clamp(84px, 9vh, 120px); padding-bottom: 0; justify-content: flex-start; }
.download-notice { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 14px; margin: 16px 0 18px; padding: 12px 16px; border: 1px solid rgba(217, 85, 63, .26); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: rgba(217, 85, 63, .06); color: var(--ink-soft); font-size: .78rem; line-height: 1.7; }
.download-notice strong { color: var(--accent); font-size: .7rem; letter-spacing: .05em; }
.download-notice p { margin: 0; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(10px, 1.3vw, 16px); }
.download-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 160px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.download-card::after { content: ""; position: absolute; right: -22px; top: -42px; width: 118px; height: 118px; border: 1px solid var(--line); border-radius: 50%; opacity: .6; }
.download-card:hover { transform: perspective(900px) translateY(-5px) rotateX(2deg) rotateY(-1.5deg); border-color: var(--primary); background: rgba(255, 255, 255, .94); box-shadow: 0 26px 50px -40px rgba(30, 107, 99, .55); }
.os-mark { display: grid; place-items: center; width: 34px; height: 34px; margin-bottom: 14px; padding: 3px; border-radius: 10px; background: var(--primary-soft); }
.os-mark img { width: 100%; height: 100%; object-fit: contain; }
.os-name { margin-bottom: 2px; font-size: 1rem; font-weight: 700; letter-spacing: -.02em; }
.os-meta { margin-bottom: 10px; color: var(--ink-soft); font-family: var(--font-mono); font-size: .62rem; }
.os-note { margin-bottom: 12px; color: var(--ink-faint); font-size: .7rem; line-height: 1.6; }
.os-cta { margin-top: auto; color: var(--primary-deep); font-size: .74rem; font-weight: 650; }
.download-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 22px; color: var(--ink-faint); font-size: .72rem; }
.download-foot p { margin: 0; }
.download-foot a { border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.download-foot a:hover { color: var(--primary-deep); border-color: var(--primary); }
.download-hint { max-width: 42rem; }
.download-group-title { display: flex; align-items: baseline; gap: 9px; margin: 0 0 10px; color: var(--ink); font-size: .8rem; letter-spacing: .05em; }
.download-group-title span { color: var(--ink-faint); font-family: var(--font-mono); font-size: .6rem; font-weight: 400; letter-spacing: .06em; }
.download-group-title.is-minor { margin: 22px 0 8px; }
.download-card.is-primary { min-height: 214px; padding: 24px; border-color: rgba(46, 139, 128, .28); background: linear-gradient(155deg, rgba(46, 139, 128, .09), rgba(255, 255, 255, .72) 52%); }
.download-card.is-primary .os-mark { width: 46px; height: 46px; margin-bottom: 18px; padding: 4px; border-radius: 13px; background: rgba(255, 255, 255, .78); }
.download-card.is-primary .os-name { margin-bottom: 4px; font-size: 1.5rem; }
.download-card.is-primary .os-meta { font-size: .66rem; }
.download-card.is-primary .os-note { font-size: .74rem; }
.download-card.is-primary .os-cta { align-self: flex-start; margin-top: auto; padding: 9px 14px; border-radius: 8px; background: var(--primary-deep); color: #fff; font-size: .78rem; transition: background .2s var(--ease); }
.download-card.is-primary .os-cta:hover { background: var(--ink); }
.download-card.is-primary[data-os="linux"] .os-cta { margin-top: 0; }
.download-card.is-primary[data-os="linux"] .os-cta:first-of-type { margin-top: auto; }
.download-card.is-primary[data-os="linux"] .os-cta + .os-cta { margin-top: 6px; }
.download-grid.is-minor .download-card { min-height: 132px; padding: 14px 16px; background: rgba(255, 255, 255, .4); }
.download-grid.is-minor .os-mark { width: 28px; height: 28px; margin-bottom: 10px; padding: 2px; border-radius: 8px; background: var(--paper-3); }
.download-grid.is-minor .os-name { font-size: .92rem; }
.download-grid.is-minor .os-note { margin-bottom: 10px; }
.beta-badge { position: absolute; right: 12px; top: 12px; z-index: 1; padding: 2px 7px; border: 1px solid rgba(217, 85, 63, .3); border-radius: 999px; background: rgba(217, 85, 63, .08); color: var(--accent); font-family: var(--font-mono); font-size: .56rem; letter-spacing: .06em; }
.download-card.is-current-os { border-color: rgba(217, 85, 63, .55); }
.os-current { position: absolute; right: 18px; top: 18px; z-index: 1; padding: 3px 8px; border-radius: 999px; background: var(--accent); color: #fff; font-family: var(--font-mono); font-size: .55rem; letter-spacing: .04em; }

/* ---------- Donate ---------- */
.donate { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 28px; margin-top: 20px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255, 255, 255, .44); }
.donate-copy { flex: 1 1 16rem; min-width: 0; }
.donate-copy .eyebrow { margin-bottom: 6px; font-size: .62rem; }
.donate-copy h3 { margin-bottom: 4px; font-size: .98rem; }
.donate-copy p { margin: 0; color: var(--ink-faint); font-size: .72rem; line-height: 1.65; }
.donate-qrs { display: flex; gap: 12px; }
.donate-qr { display: flex; flex-direction: column; align-items: center; gap: 4px; margin: 0; padding: 6px 6px 5px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.donate-qr button { display: block; padding: 0; border: 0; background: none; cursor: zoom-in; }
.donate-qr button:hover img { transform: scale(1.03); }
.donate-qr img { width: 104px; height: auto; transition: transform .2s var(--ease); }
.donate-qr figcaption { color: var(--ink-faint); font-family: var(--font-mono); font-size: .6rem; letter-spacing: .06em; }

/* ---------- Footer ---------- */
.site-footer { margin-top: auto; padding: 34px 0 18px; border-top: 1px solid var(--line); }
.footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 48px; height: 48px; }
.footer-brand div { display: flex; flex-direction: column; gap: 3px; }
.footer-brand strong { font-size: .9rem; letter-spacing: .02em; }
.footer-brand span { color: var(--ink-faint); font-size: .72rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; max-width: 36rem; }
.footer-links a { color: var(--ink-soft); font-size: .72rem; }
.footer-links a:hover { color: var(--primary-deep); }
.footer-info { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-top: 20px; color: var(--ink-faint); font-family: var(--font-mono); font-size: .64rem; }
.footer-info b { color: var(--ink-soft); font-weight: 700; }
.footer-info .dot { color: var(--line-strong); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 18px; margin-top: 8px; color: var(--ink-faint); font-size: .64rem; }
.footer-bottom a { border-bottom: 1px solid var(--line); }
.footer-bottom a:hover { color: var(--primary-deep); }

/* ---------- Dialog ---------- */
.form-dialog:not([open]) { display: none; }
.form-dialog[open] { display: block; }
.form-dialog { position: fixed; inset: 0; z-index: 82; width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); margin: auto; padding: 0; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); box-shadow: 0 40px 100px -30px rgba(20, 32, 29, .45); overscroll-behavior: contain; animation: form-pop .18s var(--ease); }
.form-backdrop { position: fixed; inset: 0; z-index: 81; touch-action: none; background: rgba(20, 32, 29, .42); animation: form-fade .16s ease-out; }
.form-backdrop[hidden] { display: none; }
body.form-modal-open { overflow: hidden; }
@keyframes form-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes form-pop { from { opacity: 0; transform: translateY(8px) scale(.985); } to { opacity: 1; transform: none; } }
.dialog-close { position: absolute; right: 12px; top: 10px; z-index: 2; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); color: var(--ink-soft); font-size: 1.2rem; line-height: 1; cursor: pointer; }
.dialog-close:hover { border-color: var(--accent); color: var(--accent); }
.dialog-body { display: grid; grid-template-columns: 180px minmax(0, 1fr); align-items: center; gap: 22px; padding: 26px; }
.dialog-body img { width: 100%; height: auto; }
.dialog-body .eyebrow { margin-bottom: 8px; }
.dialog-body h3 { margin-bottom: 8px; font-size: 1.35rem; }
.dialog-body p { margin-bottom: 10px; color: var(--ink-soft); font-size: .84rem; }
.dialog-hint { padding-top: 10px; border-top: 1px solid var(--line); color: var(--ink-faint) !important; font-size: .7rem !important; line-height: 1.65; }

/* 打赏二维码：点按后在原页放大，不跳新标签。 */
.qr-dialog:not([open]) { display: none; }
.qr-dialog { position: fixed; inset: 0; z-index: 84; width: min(560px, calc(100vw - 28px)); max-height: calc(100vh - 28px); max-height: calc(100dvh - 28px); margin: auto; padding: 18px; overflow: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); color: var(--ink); box-shadow: 0 40px 100px -30px rgba(20, 32, 29, .5); animation: form-pop .18s var(--ease); }
.qr-dialog::backdrop { background: rgba(20, 32, 29, .5); }
.qr-dialog img { width: 100%; height: auto; max-height: calc(100vh - 110px); max-height: calc(100dvh - 110px); object-fit: contain; border-radius: 10px; background: #fff; }
.qr-dialog p { margin: 10px 0 0; color: var(--ink-soft); font-size: .78rem; text-align: center; }

@keyframes cue { 0% { transform: translateY(-100%); } 55%, 100% { transform: translateY(100%); } }

.btn:active, .form-card:active, .download-card:active, .header-github:active, .back-to-top:active { transform: translateY(0) scale(.985); transition-duration: .08s; }