:root {
  --paper: #f6efe8;
  --paper-2: #efe4d8;
  --ink: #1c1914;
  --ink-soft: #5d564c;
  --muted: #8a8173;
  --rust: #c45d86;
  --olive: #4a5c45;
  --line: rgba(28, 25, 20, 0.12);
  --line-strong: rgba(28, 25, 20, 0.28);
  --display: "Fraunces", "Noto Serif SC", "Songti SC", serif;
  --sans: "Outfit", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --pad: clamp(1.1rem, 3vw, 2.1rem);
  --max: 860px;
  --header: 70px;
  --bg-overlay: 70%;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(
      color-mix(in srgb, var(--paper) var(--bg-overlay), transparent),
      color-mix(in srgb, var(--paper) calc(var(--bg-overlay) + 6%), transparent)
    ),
    var(--site-bg, none);
  background-size: cover;
  background-attachment: fixed;
  background-position: center top;
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

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

a:hover {
  color: var(--rust);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header);
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.mark {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--display);
  font-weight: 700;
}

.mark-img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 8px;
  background: #f3d4de;
}

.mark-box {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--rust);
  color: var(--paper);
}

.header-inner nav {
  display: flex;
  gap: 1rem;
  margin-left: 0.4rem;
  color: var(--ink-soft);
}

.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.inline {
  display: inline;
}

.inline button {
  color: var(--ink-soft);
}

main {
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  margin: 0 auto;
  padding: 2.2rem 0 4rem;
  flex: 1;
}

.kicker {
  color: var(--rust);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 0.7rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.lead,
.about p,
.by,
.meta {
  color: var(--ink-soft);
}

.lead {
  margin: 0.9rem 0 1.3rem;
  max-width: 38rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper) !important;
  font-weight: 500;
}

.btn:hover {
  background: var(--rust);
  border-color: var(--rust);
}

.btn-ghost {
  background: transparent;
  color: var(--ink) !important;
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper) !important;
}

.btn-sm {
  min-height: 36px;
  padding: 0 0.85rem;
  font-size: 0.92rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line);
  max-width: 28rem;
}

.stats strong {
  display: block;
  font-family: var(--display);
  font-size: 1.7rem;
}

.stats span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.hero {
  padding: 1.2rem 0 2.4rem;
}

.panel,
.thread,
.member,
.comment,
.form,
.gate {
  border: 1px solid var(--line);
  background: color-mix(in srgb, white 32%, var(--paper));
}

.panel {
  padding: 1.1rem 1.15rem 0.4rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
}

.panel-head h2,
.comments h2 {
  font-size: 1.25rem;
}

.row,
.thread {
  display: grid;
  gap: 0.15rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  color: inherit;
}

.row em,
.thread aside span,
.thread aside strong,
.comment header span,
.member em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.86rem;
}

.tag {
  display: inline-block;
  color: var(--olive);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-right: 0.4rem;
}

.flag {
  display: inline-block;
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  margin-right: 0.3rem;
  vertical-align: 0.1em;
}

.flag-pin {
  background: var(--rust);
  color: #fff !important;
}

.flag-feat {
  border: 1px solid var(--rust);
  color: var(--rust) !important;
}

.thread.is-pin {
  background: color-mix(in srgb, var(--rust) 7%, transparent);
}

.admin-ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

.flag-btn {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.82rem;
}

.flag-btn.is-on {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-head {
  margin-bottom: 1.4rem;
}

.page-head.split {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  flex-wrap: wrap;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.chips a {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
}

.chips a.is-on {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.threads {
  display: grid;
}

.thread {
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1.05rem 1rem;
  margin-bottom: 0.7rem;
}

.thread h3 {
  font-size: 1.28rem;
  margin: 0.2rem 0 0.35rem;
}

.thread p,
.body,
.about p + p {
  color: var(--ink-soft);
}

.thread aside {
  display: grid;
  align-content: center;
  text-align: right;
  min-width: 7rem;
}

.post h1 {
  margin-bottom: 0.45rem;
}

.body {
  margin: 1.2rem 0;
  font-size: 1.05rem;
}

.post-tools {
  margin: 1rem 0 2rem;
}

.like {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
}

.like.is-on {
  background: var(--rust);
  color: var(--paper);
  border-color: var(--rust);
}

.comments h2 {
  margin-bottom: 0.8rem;
}

.comment {
  padding: 0.9rem 1rem;
  margin-bottom: 0.65rem;
}

.comment header {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 0.35rem;
}

.form {
  display: grid;
  gap: 0.85rem;
  padding: 1.1rem;
  margin-top: 1rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 0.7rem 0.75rem;
  border-radius: 8px;
}

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

.form .btn {
  justify-self: start;
}

.narrow {
  max-width: 34rem;
}

.switch {
  margin-top: 1rem;
  color: var(--ink-soft);
}

.switch a,
.gate a {
  color: var(--rust);
}

.flash {
  padding: 0.7rem 0.9rem;
  margin: 0 0 1rem;
  border: 1px solid var(--line);
}

.flash.err {
  border-color: var(--rust);
  color: var(--rust-deep, #9a3b14);
}

.flash.ok {
  border-color: var(--olive);
  color: var(--olive);
}

.gate,
.empty {
  padding: 1rem;
  color: var(--ink-soft);
}

.members {
  display: grid;
  gap: 0.7rem;
}

.member {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.05rem;
}

.member strong {
  font-family: var(--display);
  font-size: 1.3rem;
}

.about p {
  margin-top: 0.9rem;
}

.about .btn {
  margin-top: 0.4rem;
}

.site-footer {
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  margin: 0 auto;
  padding: 1.2rem 0 2rem;
  color: var(--muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  margin-top: 0.55rem;
  align-items: center;
}

.footer-links a {
  color: var(--ink-soft);
}

.footer-friends {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin-top: 0.7rem;
  align-items: center;
}

.footer-friends span {
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.footer-friends a {
  color: var(--ink-soft);
}

.footer-beian {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  margin-top: 0.75rem;
  text-align: center;
}

.footer-beian a {
  color: var(--ink-soft);
}

.footer-beian a:hover {
  color: var(--rust);
}

@media (max-width: 700px) {
  .site-header {
    height: auto;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 0.65rem 0 0.45rem;
  }

  .header-inner nav {
    order: 3;
    width: 100%;
    padding: 0.2rem 0 0.35rem;
    font-size: 0.92rem;
  }

  .thread {
    grid-template-columns: 1fr;
  }

  .thread aside {
    text-align: left;
  }
}

.admin h2 {
  margin: 2.1rem 0 0.75rem;
  font-size: 1.3rem;
}

.admin .form {
  max-width: 28rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: color-mix(in srgb, white 32%, var(--paper));
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.admin-table th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mini {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.15rem;
}

.preview-row {
  display: grid;
  gap: 1rem;
}

.preview-icon,
.preview-bg {
  display: block;
  margin: 0.4rem 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.preview-icon {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 10px;
}

.preview-bg {
  width: 100%;
  max-width: 280px;
  height: 90px;
  object-fit: cover;
}

.danger {
  color: var(--rust);
  font-size: 0.88rem;
}