/* goyeshi.top — 暗色简约主题 */

:root {
  color-scheme: dark;
  --bg: #0f1013;
  --bg-raised: #15171b;
  --bg-deep: #0a0b0d;
  --ink: #e8e5de;
  --ink-soft: #9b978d;
  --ink-faint: #5f5c53;
  --accent: #c9a25e;
  --accent-soft: rgba(201, 162, 94, 0.45);
  --accent-faint: rgba(201, 162, 94, 0.12);
  --line: #23262b;
  --line-strong: #34383f;
  --code-bg: #0c0d10;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 18px 44px rgba(0, 0, 0, 0.45);
  --serif: Georgia, "Times New Roman", "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --sans: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Serif SC", "Fraunces", var(--serif);
  font-size: 17px;
  line-height: 1.8;
  min-height: 100vh;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.brand-text {
  font-family: "Dancing Script", "Noto Serif SC", var(--serif);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 1.5rem;
  line-height: 1;
}

.cta-row {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.ghost {
  display: inline-block;
  padding: 0.85em 2.2em;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.3em;
  font-size: 0.88rem;
  font-family: var(--sans);
  transition: border-color 0.25s, color 0.25s, transform 0.25s;
}

.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.form-ok {
  color: #8be29a;
  border-left: 2px solid #8be29a;
  background: rgba(139, 226, 154, 0.08);
  padding: 0.6em 0.9em;
  font-size: 0.9rem;
  margin: 0 0 1.2rem;
}

.admin-panel {
  margin-top: 2.5rem;
}

.admin-panel h1 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  letter-spacing: 0.3em;
  font-weight: 500;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 1.4rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
}

.admin-table th,
.admin-table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  font-weight: 500;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.inline-form {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  margin-right: 0.5rem;
  margin-bottom: 0.4rem;
}

.inline-input {
  width: 9rem;
  font: inherit;
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--bg-deep);
  border: 1px solid var(--line-strong);
  padding: 0.35em 0.5em;
  border-radius: 2px;
}

button.small {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  padding: 0.35em 0.8em;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

button.small:hover {
  background: var(--accent);
  color: var(--bg);
}

button.small.danger {
  color: #ff8080;
  border-color: #ff8080;
}

button.small.danger:hover {
  background: #ff8080;
  color: #101010;
}

/* 用户管理：三态开关按钮 */
.toggle-btn.on {
  color: var(--accent);
  border-color: var(--accent);
}

.toggle-btn.on:hover {
  background: var(--accent);
  color: var(--bg);
}

.toggle-btn.off {
  color: var(--ink-faint);
  border-color: var(--line-strong);
}

.toggle-btn.off:hover {
  background: var(--line-strong);
  color: var(--ink);
}

.perm-edit-link {
  display: inline-block;
  margin-left: 0.6em;
  font-size: 0.72rem;
  color: var(--accent);
  cursor: pointer;
}

/* 用户管理：内容权限编辑区 */
.perm-details summary {
  cursor: pointer;
  list-style: none;
  display: inline-block;
}

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

.perm-details[open] summary {
  margin-bottom: 0.5em;
}

.perm-form {
  display: grid;
  gap: 0.5rem;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-deep);
  min-width: 260px;
}

.perm-group {
  margin: 0.2rem 0 0.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.25rem 0.6rem;
  max-height: 180px;
  overflow-y: auto;
}

.perm-item {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.74rem;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
}

.perm-item input {
  width: auto;
  margin: 0;
}

.badge {
  display: inline-block;
  padding: 0.25em 0.6em;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  background: rgba(139, 226, 154, 0.12);
  color: #8be29a;
}

.link-row {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-top: 1.2rem;
}

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

.admin-subpanel {
  margin-top: 2rem;
  padding: 1.4rem 1.4rem 1.6rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
}

.admin-subpanel h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  letter-spacing: 0.22em;
  font-weight: 500;
}

.admin-subpanel .sub-heading {
  margin: 1.4rem 0 0.6rem;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--ink-soft);
}

.admin-subpanel .table-wrap {
  margin-top: 0.4rem;
}

.openclaw-box {
  display: grid;
  gap: 0.8rem;
}

.openclaw-link {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: var(--code-bg);
  border: 1px solid var(--line);
  padding: 0.7em 0.8em;
  word-break: break-all;
  border-radius: 2px;
}

.openclaw-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

@media (max-width: 620px) {
  .admin-table {
    font-size: 0.82rem;
  }
  .admin-table th,
  .admin-table td {
    padding: 0.65rem 0.6rem;
  }
  .inline-input {
    width: 7.5rem;
  }
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 55% at 50% -10%, rgba(201, 162, 94, 0.05), transparent 65%),
    radial-gradient(ellipse 120% 90% at 50% 110%, rgba(0, 0, 0, 0.35), transparent 60%);
  z-index: -1;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; }

.container {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.2rem 1.4rem 3.5rem;
}

.site-head {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.4rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.seal {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  background: transparent;
  transition: background 0.25s;
}

.brand:hover .seal { background: var(--accent-faint); }

.brand-text small {
  display: block;
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--ink-faint);
  margin-top: 0.3em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.25em;
}

.site-nav a,
.nav-form button {
  color: var(--ink-soft);
  text-decoration: none;
  border: none;
  border-bottom: 1px solid transparent;
  padding: 0 0 3px;
  font: inherit;
  letter-spacing: inherit;
  background: none;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.site-nav a:hover,
.nav-form button:hover {
  color: var(--accent);
  border-bottom-color: var(--accent-soft);
}

.nav-form { display: inline; }

.nav-group {
  position: relative;
  display: inline-block;
}

.nav-group-label::after {
  content: '▾';
  font-size: 0.7em;
  margin-left: 0.35em;
  color: var(--ink-faint);
}

.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 6.5em;
  /* 透明 padding 桥接触发区与菜单，鼠标下移不中断 hover */
  padding: 8px 0 0;
  background: transparent;
  z-index: 30;
  letter-spacing: 0.15em;
}

.nav-menu a {
  display: block;
  padding: 0.55em 1.1em !important;
  background: var(--bg-raised);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: none !important;
}

.nav-menu a:first-child {
  border-top: 1px solid var(--line);
  border-radius: 6px 6px 0 0;
}

.nav-menu a:last-child {
  border-bottom: 1px solid var(--line) !important;
  border-radius: 0 0 6px 6px;
  box-shadow: var(--shadow);
}

.nav-menu a:only-child {
  border-radius: 6px;
}

.nav-menu a:hover {
  background: linear-gradient(rgba(201, 162, 94, 0.14), rgba(201, 162, 94, 0.14)), var(--bg-raised);
}

.nav-group:hover .nav-menu,
.nav-group:focus-within .nav-menu {
  display: block;
}

.nav-user {
  display: inline-flex;
  align-items: center;
  color: var(--ink-faint);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 0.15em 0.55em;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav-user .nav-form button {
  padding: 0 0 0 0.6em;
  margin-left: 0.6em;
  border: none;
  border-left: 1px solid var(--line);
  border-radius: 0;
  background: none;
  color: var(--ink-faint);
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  transition: color 0.2s;
}

.nav-user .nav-form button:hover {
  color: var(--accent);
}

.settings-page,
.qr-page,
.lottery-page {
  margin-top: 2.5rem;
}

.settings-page h1,
.qr-page h1,
.lottery-page h1 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  letter-spacing: 0.3em;
  font-weight: 500;
}

.sub-heading {
  margin: 1.4rem 0 0.6rem;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--ink-soft);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

/* === 二维码 / 短链 / 抽奖 工具页 === */
.qr-tabs {
  display: flex;
  gap: 0.4rem;
  margin: 1.2rem 0 1.6rem;
  flex-wrap: wrap;
}

.qr-tab {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  padding: 0.45em 1.1em;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.qr-tab:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.qr-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(201, 162, 94, 0.08);
}

.qr-work {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1.6rem;
  align-items: start;
}

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

.qr-form {
  display: grid;
  gap: 1rem;
}

.qr-form label {
  display: grid;
  gap: 0.4em;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.qr-form textarea,
.qr-form input,
.qr-form select {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.6em 0.8em;
  width: 100%;
  box-sizing: border-box;
}

.qr-form textarea:focus,
.qr-form input:focus,
.qr-form select:focus {
  outline: none;
  border-color: var(--accent);
}

.qr-check {
  display: flex !important;
  flex-direction: row;
  align-items: center;
  gap: 0.5em !important;
}

.qr-check input {
  width: auto;
}

.qr-short-opts,
.short-opts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.8rem;
}

.qr-output {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
}

.qr-result {
  display: grid;
  gap: 0.8rem;
  justify-items: center;
}

.qr-image {
  border: 6px solid #f5f1e8;
  border-radius: 4px;
}

.qr-result-text {
  word-break: break-all;
  font-size: 0.72rem;
}

.qr-result-actions {
  display: flex;
  gap: 0.6rem;
}

.qr-batch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  grid-column: 1 / -1;
}

.qr-batch-item {
  display: grid;
  gap: 0.4rem;
  justify-items: center;
  text-align: center;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.qr-batch-item img {
  border: 4px solid #f5f1e8;
  border-radius: 4px;
}

.qr-batch-text {
  font-size: 0.68rem;
  color: var(--ink-faint);
  word-break: break-all;
}

.qr-batch-err {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  color: var(--ink-faint);
  font-size: 0.72rem;
}

.qr-limits {
  margin-top: 1.6rem;
  font-size: 0.72rem;
}

.short-form {
  max-width: 640px;
}

.short-code {
  font-size: 0.78rem;
  color: var(--accent);
  margin-right: 0.6em;
}

.short-target {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lottery-setup {
  display: grid;
  gap: 1rem;
  max-width: 560px;
  margin-top: 1.4rem;
}

.lottery-setup label {
  display: grid;
  gap: 0.4em;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.lottery-setup textarea,
.lottery-setup input {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.6em 0.8em;
}

.lottery-opts {
  display: flex;
  gap: 1.4rem;
  align-items: end;
}

.lottery-opts input[type="number"] {
  width: 5em;
}

.lottery-stage {
  margin-top: 1.6rem;
  text-align: center;
}

.lottery-roller {
  font-size: clamp(2.2rem, 8vw, 4rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  min-height: 1.4em;
  padding: 1.2rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-raised);
  margin-bottom: 1.2rem;
  word-break: break-all;
}

.lottery-controls {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  margin-bottom: 1.6rem;
}

.lottery-winners {
  max-width: 420px;
  margin: 0 auto;
  text-align: left;
  font-size: 0.95rem;
  line-height: 2;
}

.settings-card {
  display: flex;
  flex-direction: column;
  gap: 0.45em;
  padding: 1.2rem 1.3rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
}

.settings-card:hover {
  border-color: var(--accent-soft);
  transform: translateY(-2px);
}

.settings-card-name {
  font-size: 1.05rem;
  color: var(--ink);
}

.settings-card-desc {
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.terminal {
  width: 440px;
  max-width: 92vw;
  height: 200px;
  display: flex;
  flex-direction: column;
  margin: 0 auto 2.2rem;
  background: rgba(15, 16, 19, 0.85);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.7;
  box-shadow: var(--shadow);
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.5em 0.9em;
  border-bottom: 1px solid var(--line);
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.terminal-dot:first-child {
  background: rgba(224, 108, 117, 0.55);
}

.terminal-dot:nth-child(2) {
  background: rgba(201, 162, 94, 0.55);
}

.terminal-dot:nth-child(3) {
  background: rgba(139, 226, 154, 0.55);
}

.terminal-title {
  margin-left: auto;
  color: var(--ink-faint);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.terminal-body {
  padding: 0.8em 1em 1em;
  flex: 1;
  overflow-y: auto;
}

.terminal-line {
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-prompt {
  color: var(--accent);
}

.terminal-cmd {
  color: var(--ink);
}

.terminal-out {
  color: var(--ink-faint);
}

.terminal-cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: terminal-blink 0.9s steps(1) infinite;
}

@keyframes terminal-blink {
  50% { opacity: 0; }
}

.hero {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 0 3rem;
}

.kicker {
  font-family: "Dancing Script", "Noto Serif SC", var(--serif);
  font-size: 1rem;
  letter-spacing: 0.32em;
  color: var(--accent);
  margin: 0 0 2.2rem;
  text-transform: uppercase;
}

.hero-title {
  font-family: "Dancing Script", "Noto Serif SC", var(--serif);
  font-size: clamp(3rem, 10vw, 5.2rem);
  margin: 0;
  letter-spacing: 0.1em;
  padding-left: 0.1em;
  font-weight: 600;
}

.lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
  letter-spacing: 0.24em;
  margin: 1.4rem 0 0;
  font-family: var(--sans);
}

.hero-rule {
  width: 4.2rem;
  height: 1px;
  margin: 2.6rem auto 2.8rem;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta {
  display: inline-block;
  padding: 0.85em 2.4em;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.35em;
  font-size: 0.88rem;
  font-family: var(--sans);
  background: transparent;
  transition: background 0.3s, color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.cta:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.hero > * { animation: fadeUp 0.8s ease both; }
.hero > *:nth-child(2) { animation-delay: 0.1s; }
.hero > *:nth-child(3) { animation-delay: 0.2s; }
.hero > *:nth-child(4) { animation-delay: 0.3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

.auth-card {
  max-width: 21rem;
  margin: 3.5rem auto 0;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  box-shadow: var(--shadow);
  padding: 2.2rem 2rem 2.4rem;
  animation: fadeUp 0.6s ease both;
}

.auth-card h1 {
  margin: 0 0 0.3rem;
  font-size: 1.4rem;
  letter-spacing: 0.35em;
  font-weight: 500;
}

.muted {
  color: var(--ink-faint);
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  margin: 0.2rem 0 1.6rem;
}

.form-error {
  color: var(--accent);
  border-left: 2px solid var(--accent);
  background: var(--accent-faint);
  padding: 0.6em 0.9em;
  font-size: 0.9rem;
  margin: 0 0 1.2rem;
}

.auth-card form { display: grid; gap: 1.1rem; }

.auth-card label {
  display: grid;
  gap: 0.45rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: var(--ink-soft);
}

.auth-card input {
  font: inherit;
  font-size: 1rem;
  letter-spacing: normal;
  font-family: var(--serif);
  color: var(--ink);
  background: var(--bg-deep);
  border: 1px solid var(--line-strong);
  padding: 0.65em 0.8em;
  border-radius: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-faint);
}

button.primary {
  font: inherit;
  font-family: var(--sans);
  font-size: 0.9rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.72em 0;
  letter-spacing: 0.4em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

button.primary:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-1px);
}

.page-head { margin: 2.5rem 0 2rem; }

/* 内容页抓取统计条 */
.fetch-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 0.9rem;
  padding: 0.6rem 0.9rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  border-radius: 4px;
}

.fs-item {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.fs-item em {
  font-style: normal;
  color: var(--ink-faint);
  margin-right: 0.5em;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
}

.fs-ok { color: var(--ink-soft); }

.fs-bad {
  color: var(--accent);
}

/* 未抓取下拉列表 */
.fs-dropdown {
  position: relative;
  cursor: pointer;
  border-bottom: 1px dashed var(--accent-soft);
}

.fs-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 16rem;
  max-width: 22rem;
  margin-top: 0.45rem;
  padding: 0.6rem 0.8rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  border-radius: 4px;
  box-shadow: var(--shadow);
  z-index: 40;
  text-align: left;
}

.fs-dropdown:hover .fs-menu,
.fs-dropdown:focus-within .fs-menu,
.fs-dropdown:active .fs-menu {
  display: block;
}

.fs-fail-row {
  display: grid;
  gap: 0.15rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
}

.fs-fail-row:last-child {
  border-bottom: none;
}

.fs-fail-name {
  font-size: 0.78rem;
  color: var(--ink);
  letter-spacing: 0.05em;
}

.fs-fail-err {
  font-size: 0.7rem;
  color: var(--ink-faint);
  word-break: break-all;
}

.page-head h1 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  letter-spacing: 0.3em;
  font-weight: 500;
}

.filter-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: end;
  margin: 0 0 1.4rem;
  padding: 1rem 1rem 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  animation: fadeUp 0.6s ease both;
}

.filter-bar label {
  display: grid;
  gap: 0.4rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--ink-faint);
}

.filter-bar select,
.filter-bar button {
  font: inherit;
  font-family: var(--sans);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--bg-deep);
  border: 1px solid var(--line-strong);
  padding: 0.55em 0.7em;
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.filter-bar select:focus,
.filter-bar button:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-faint);
}

.filter-bar button {
  color: var(--accent);
  background: transparent;
  border-color: var(--accent);
  cursor: pointer;
  padding-inline: 1.2em;
}

.filter-bar button:hover {
  background: var(--accent);
  color: var(--bg);
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.post-card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  transition: transform 0.25s ease, border-color 0.25s ease;
  animation: fadeUp 0.6s ease both;
}

.post-card:nth-child(2) { animation-delay: 0.07s; }
.post-card:nth-child(3) { animation-delay: 0.14s; }
.post-card:nth-child(n+4) { animation-delay: 0.2s; }

.post-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-soft);
}

.post-card a {
  display: block;
  padding: 1.4rem 1.6rem 1.3rem;
  text-decoration: none;
  border-left: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.post-card:hover a { border-left-color: var(--accent); }

.post-card h2 {
  margin: 0 0 0.3rem;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.post-card .meta,
.post-head .meta {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--ink-faint);
  margin: 0 0 0.7rem;
}

.post-card .summary {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.post { margin-top: 2.5rem; }

.post-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.2rem;
  margin-bottom: 1.8rem;
}

.post-head h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  letter-spacing: 0.14em;
  font-weight: 500;
}

.post-body { font-size: 1.02rem; }

.post-body p { line-height: 2.05; margin: 1.15em 0; }

.post-body h2 {
  margin: 2.2em 0 0.9em;
  font-size: 1.25rem;
  letter-spacing: 0.14em;
  font-weight: 500;
  border-left: 2px solid var(--accent);
  padding-left: 0.75em;
}

.post-body h3 {
  margin: 1.8em 0 0.7em;
  font-size: 1.08rem;
  letter-spacing: 0.1em;
}

.post-body blockquote {
  margin: 1.8em 0;
  padding: 0.7em 1.2em;
  border-left: 2px solid var(--accent);
  background: var(--bg-raised);
  color: var(--ink-soft);
}

.post-body ul { padding-left: 1.4em; margin: 1.2em 0; }
.post-body li { margin: 0.45em 0; line-height: 1.9; }

.post-body hr {
  border: none;
  border-top: 1px solid var(--line-strong);
  width: 36%;
  margin: 2.6em auto;
}

.post-body code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.post-body pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  padding: 1em 1.2em;
  overflow-x: auto;
  line-height: 1.65;
  border-radius: 3px;
}

.post-body pre code { background: none; border: none; padding: 0; }

.post-body a { color: var(--accent); }

.post-foot { margin-top: 2.6rem; }

.post-foot a {
  color: var(--ink-soft);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
}

.post-foot a:hover { color: var(--accent); }

.site-foot {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.4rem 2.8rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-align: center;
}

.site-foot p { margin: 0; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .site-head { padding-top: 1.2rem; }
  .site-nav { gap: 1rem; letter-spacing: 0.15em; }
  .hero { min-height: 52vh; padding-top: 3rem; }
  .container { padding-top: 1.6rem; }
  .filter-bar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  .post-card a { padding: 1.15rem 1.15rem 1.05rem; }
  .auth-card { padding: 1.8rem 1.4rem 2rem; margin-top: 2.5rem; }
}

:focus-visible {
  outline: 1px dashed var(--accent);
  outline-offset: 3px;
}

/* ---- 文件中转 ---- */

.transfer { max-width: 34rem; margin: 2.5rem 0 0; }

.transfer h1 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  letter-spacing: 0.3em;
  font-weight: 500;
}

.transfer-quota { margin: 1.6rem 0 1.8rem; }

.quota-bar {
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.7rem;
}

.quota-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.4s ease;
}

.quota-text {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0;
}

.quota-text strong { color: var(--accent); }

.quota-hint { color: var(--accent); font-size: 0.78rem; margin: 0.35rem 0 0; }

.transfer-form {
  border: 1px solid var(--line);
  padding: 1.5rem;
  margin-bottom: 1.8rem;
}

.transfer-form input[type='file'] {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}

.transfer-progress {
  height: 3px;
  background: var(--line);
  margin-top: 1rem;
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.2s ease;
}

.transfer-share {
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}

.transfer-share h2 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.transfer-file { color: var(--ink); margin: 0 0 0.5rem; }

.transfer-link {
  color: var(--accent);
  font-family: var(--mono, monospace);
  font-size: 0.85rem;
  word-break: break-all;
}

.transfer-qr {
  display: block;
  margin: 1rem 0 0.6rem;
  border: 1px solid var(--line);
}

/* ---------- 监控设置页 ---------- */

.monitor-sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.8rem;
}

.monitor-site-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  font-family: var(--sans);
  font-size: 0.8rem;
  min-width: 0;
}

.monitor-site-card.ok { border-left-color: #8be29a; }
.monitor-site-card.danger { border-left-color: #ff8080; }

.monitor-site-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
}

.monitor-site-card .badge { flex: none; }

.monitor-site-card .muted {
  flex: none;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.log-view {
  font-family: var(--mono, monospace);
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--ink-soft);
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1em 1.1em;
  margin: 0.8rem 0 0;
  max-height: 380px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.report-view {
  max-height: none;
  font-size: 0.82rem;
  color: var(--ink);
  line-height: 1.9;
}

.text-sm {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* ---------- 同步设置页表单 ---------- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
  margin: 0 0 1.2rem;
}

.form-grid label {
  display: grid;
  gap: 0.45rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

.form-grid input {
  font: inherit;
  font-size: 0.95rem;
  letter-spacing: normal;
  color: var(--ink);
  background: var(--bg-deep);
  border: 1px solid var(--line-strong);
  padding: 0.6em 0.75em;
  border-radius: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-grid input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-faint);
}

.form-row {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 1.4rem;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  cursor: pointer;
}

.checkbox-label input {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
}

.admin-subpanel .primary {
  margin-top: 0.4rem;
}

@media (max-width: 620px) {
  .monitor-sites-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* 工具页金线统一：主容器对齐内容页 filter-bar（实底 + 顶部金线） */
.qr-form,
.qr-result,
.lottery-setup {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  border-radius: 4px;
  padding: 1.2rem 1.2rem 1.3rem;
}

.qr-result {
  align-content: start;
}

.transfer-form {
  border-top: 1px solid var(--accent);
}

.transfer-quota {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  border-radius: 4px;
  padding: 1rem 1.2rem 1.1rem;
}

/* 浏览器工具（阅读型中转） */
.browse-page {
  max-width: 40rem;
  margin-top: 2.5rem;
}

.browse-page h1 {
  margin: 0 0 0.4rem;
  font-size: 1.7rem;
  letter-spacing: 0.3em;
  font-weight: 500;
}

.browse-form {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1.4rem;
}

.browse-input {
  flex: 1;
  font: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.6em 0.9em;
}

.browse-input:focus {
  outline: none;
  border-color: var(--accent-soft);
}

@media (max-width: 620px) {
  .browse-form { flex-direction: column; align-items: stretch; }
}

/* 内置浏览器（真交互） */
.bp-html, .bp-body { height: 100%; margin: 0; overflow: hidden; }
.bp-root { display: flex; flex-direction: column; height: 100%; }

.bp-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.7rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--accent);
  flex: none;
}

.bp-home {
  color: var(--accent);
  text-decoration: none;
  font-size: 1.3rem;
  line-height: 1;
  padding: 0 0.2rem;
}

.bp-btn {
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  color: var(--ink-soft);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.35em 0.6em;
  cursor: pointer;
}

.bp-btn:hover {
  color: var(--accent);
  border-color: var(--accent-soft);
}

.bp-urlbar {
  flex: 1;
  display: flex;
}

.bp-url {
  flex: 1;
  font: inherit;
  font-size: 0.88rem;
  color: var(--ink);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.45em 0.8em;
}

.bp-url:focus {
  outline: none;
  border-color: var(--accent-soft);
}

.bp-title {
  max-width: 16rem;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.bp-view {
  position: relative;
  flex: 1;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bp-frame {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  cursor: default;
}

.bp-quality-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex: none;
  color: var(--ink-faint);
  font-size: 0.75rem;
  white-space: nowrap;
}

.bp-quality {
  font: inherit;
  font-size: 0.8rem;
  color: var(--ink-soft);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.35em 0.25em;
}

.bp-quality:focus {
  outline: none;
  border-color: var(--accent-soft);
}

.bp-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  background: var(--bg-deep);
}

.bp-foot {
  flex: none;
  padding: 0.3rem 0.8rem;
  text-align: center;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  background: var(--bg-raised);
  border-top: 1px solid var(--line);
}

/* 浏览器工具：模式标签页 + 内嵌交互窗口（2026-10-08 起 pro 页内嵌进 /browse） */
.browse-page.wide {
  max-width: 72rem;
}

.browse-tabs {
  display: flex;
  gap: 0.4rem;
  margin-top: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.browse-tab {
  padding: 0.5em 1.1em;
  font-size: 0.88rem;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 4px 4px 0 0;
}

.browse-tab:hover {
  color: var(--accent);
}

.browse-tab.active {
  color: var(--accent);
  background: var(--bg-raised);
  border-color: var(--line);
}

.bp-embed {
  display: flex;
  flex-direction: column;
  height: min(72vh, 720px);
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-deep);
}

.bp-embed .bp-view {
  flex: 1;
  min-height: 0;
}

.bp-embed .bp-bar {
  flex: none;
}

.bp-embed .bp-foot {
  flex: none;
}

@media (max-width: 620px) {
  .bp-embed { height: 60vh; }
}

/* 阅读型 iframe 窗口 */
iframe.br-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
  display: block;
}

/* 交互型 IME 捕获框：视觉隐藏但可聚焦，本地中文输入法在此组合 */
.bp-view { position: relative; }
.bp-ime {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  opacity: 0.01;
  border: 0;
  padding: 0;
  resize: none;
  background: transparent;
  color: transparent;
  caret-color: transparent;
  pointer-events: none; /* 不挡鼠标，点击直接穿透到画面 */
}

.bp-urlbar .bp-btn[type="submit"] {
  border-left: none;
  border-radius: 0 4px 4px 0;
}

.bp-urlbar .bp-url {
  border-radius: 4px 0 0 4px;
}

/* 照片优化 */
.photo-page { max-width: 46rem; }

.photo-presets {
  display: flex;
  gap: 0.6rem;
  margin: 1.2rem 0;
  flex-wrap: wrap;
}

.photo-preset {
  font: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.5em 1.1em;
  cursor: pointer;
}

.photo-preset:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.photo-upload {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0 0 1.4rem;
}

.photo-opts {
  display: grid;
  gap: 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-top: 1px solid var(--accent);
  border-radius: 6px;
  padding: 1.3rem 1.4rem;
  margin-bottom: 1.4rem;
}

.photo-opt {
  display: grid;
  gap: 0.35em;
}

.photo-opt-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.photo-opt-name {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.photo-opt-val {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.photo-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.photo-opt-desc {
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

.photo-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.photo-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.photo-result figure {
  margin: 0;
  display: grid;
  gap: 0.5em;
}

.photo-result figcaption {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  text-align: center;
}

.photo-result img {
  max-width: 100%;
  border-radius: 6px;
  border: 1px solid var(--line);
  display: block;
}

.photo-download { display: inline-block; }

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

/* 平滑滚动（返回顶部） */
html { scroll-behavior: smooth; }

/* 翻页：上一页左 / 信息+页码居中 / 下一页右 */
.pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0 1rem;
  font-family: var(--sans);
}
.pager-side { display: flex; }
.pager-left { justify-content: flex-start; }
.pager-right { justify-content: flex-end; }
.pager-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.pager-link {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.35em 0.75em;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-raised);
  white-space: nowrap;
}
.pager-link:hover { color: var(--accent); border-color: var(--accent); }
.pager-disabled {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  padding: 0.35em 0.75em;
  border: 1px solid transparent;
  white-space: nowrap;
  opacity: 0.5;
}
.pager-info {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.pager-pages { display: inline-flex; align-items: center; gap: 0.15rem; }
.pager-pages .pager-link {
  min-width: 1.9em;
  text-align: center;
  padding: 0.35em 0.5em;
}
.pager-current {
  min-width: 1.9em;
  text-align: center;
  font-size: 0.82rem;
  color: var(--accent);
  padding: 0.35em 0.5em;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent-soft);
}
.pager-ellipsis { color: var(--ink-faint); padding: 0 0.2em; }

@media (max-width: 640px) {
  .pager { grid-template-columns: 1fr; justify-items: center; gap: 0.7rem; }
  .pager-left, .pager-right { justify-content: center; }
}

/* 返回顶部 */
.back-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.6rem;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1em;
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--ink-soft);
  text-decoration: none;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 50px;
  padding: 0.7em 0.85em;
  opacity: 0.85;
  transition: color 0.2s, border-color 0.2s, opacity 0.2s, transform 0.2s;
}
.back-top span {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  writing-mode: horizontal-tb;
}
.back-top:hover {
  color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
  transform: translateY(-3px);
}
@media (max-width: 640px) {
  .back-top { right: 0.9rem; bottom: 1rem; padding: 0.6em 0.7em; }
}