/* 8JHUB 官网 — 流放之路暗金风（对齐 PoeTheme） */
:root {
  --bg: #0d0b09;
  --bg-2: #16130f;
  --bg-3: #2b241c;
  --fg: #d1c3a7;
  --fg-muted: #8a7b62;
  --accent: #a6844c;
  --accent-ink: #0d0b09;
  --danger: #b23a3a;
  --success: #4c7c3c;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 4px;
  --max: 960px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  color: var(--fg);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(166, 132, 76, 0.18), transparent 55%),
    linear-gradient(180deg, #120f0c 0%, var(--bg) 40%, #090807 100%);
  background-attachment: fixed;
}

.is-hidden {
  display: none !important;
}

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

a:hover {
  text-decoration: underline;
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: rgba(13, 11, 9, 0.92);
  border-bottom: 1px solid var(--bg-3);
  backdrop-filter: blur(8px);
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-decoration: none;
}

.brand:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--fg-muted);
  font-size: 0.9rem;
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--fg);
  text-decoration: none;
  background: rgba(166, 132, 76, 0.12);
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0.5rem;
}

.nav-points {
  font-size: 0.8rem;
  color: var(--fg-muted);
  padding: 0.25rem 0.5rem;
}

.nav-points strong {
  color: var(--accent);
  font-weight: 600;
}

/* —— Buttons —— */
.btn {
  appearance: none;
  border: 1px solid var(--bg-3);
  background: var(--bg-2);
  color: var(--fg);
  font: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--fg);
  text-decoration: none;
}

.btn.ghost {
  background: transparent;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.btn.primary:hover {
  filter: brightness(1.08);
}

.btn.secondary {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn.lg {
  padding: 0.85rem 1.6rem;
  font-size: 1.05rem;
}

.btn.block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* —— Layout —— */
main {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3.5rem;
}

.page-title {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 650;
}

.page-sub {
  margin: 0 0 2rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.lede {
  margin: 0 0 1.5rem;
  max-width: 36rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--fg-muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* —— Hero —— */
.hero {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--bg-3);
  margin-bottom: 2.5rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.6rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.05;
}

.hero-shot {
  margin-top: 2rem;
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(166, 132, 76, 0.15), transparent 50%),
    var(--bg-2);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

/* —— Cards —— */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

@media (max-width: 720px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--accent);
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--fg-muted);
}

.section-heading {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

/* —— Stats / dashboard —— */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

.stat {
  background: var(--bg-2);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-bottom: 0.35rem;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 600;
  word-break: break-all;
}

.stat-value.accent {
  color: var(--accent);
}

.panel-block {
  background: var(--bg-2);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  margin-bottom: 1.25rem;
}

.panel-block h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.hint {
  margin: 0.85rem 0 0;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* —— Forms —— */
.form-stack label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 0.85rem;
}

.form-stack input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}

.form-stack input:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.25rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tabs .btn.is-active {
  border-color: var(--accent);
  color: var(--accent);
}

/* —— Docs steps —— */
.steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
  background: var(--bg-2);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}

.step-num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--fg-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

/* —— Download —— */
.release-notes {
  margin: 1.25rem 0;
  padding: 1rem 1.15rem;
  background: var(--bg-2);
  border: 1px solid var(--bg-3);
  border-radius: var(--radius);
  white-space: pre-wrap;
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.55;
  min-height: 4rem;
}

.download-hero {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
}

.download-hero .btn {
  margin-top: 0.5rem;
}

/* —— Footer —— */
.footer {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  border-top: 1px solid var(--bg-3);
}

/* —— Toast —— */
.toast-host {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 220px;
  max-width: 360px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--bg-3);
  background: var(--bg-2);
  color: var(--fg);
  font-size: 0.9rem;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  animation: toast-in 0.2s ease;
}

.toast.error {
  border-color: var(--danger);
  color: #e8b4b4;
}

.toast.ok {
  border-color: var(--success);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}