:root {
  --primary: #b6316f;
  --primary-light: #dd7aa6;
  --primary-dark: #8c2352;
  --bg-page: #fdf7f4;
  --bg-card: #fffcfb;
  --text-main: #2b1f26;
  --text-sub: #7b6a73;
  --success: #27ae60;
  --error: #e74c3c;
  --warning: #f39c12;
  --line: rgba(43, 31, 38, .08);
  --radius: 16px;
  --shadow: 0 8px 30px rgba(84, 30, 54, .07);
  --sans: "Noto Sans SC", "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg-page);
  color: var(--text-main);
  font: 15px/1.75 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.wrap { width: min(920px, calc(100% - 40px)); margin: 0 auto; }

/* header */
.top { background: var(--bg-card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 0; }
.brand { display: flex; align-items: center; }
.brand-logo { height: 46px; width: auto; display: block; }
.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13.5px; }
.nav a {
  color: var(--text-sub); padding: 6px 12px; border-radius: 10px;
  transition: all .25s;
}
.nav a:hover { color: var(--primary-dark); background: rgba(182, 49, 111, .08); }
.nav a.on { color: var(--primary-dark); background: rgba(182, 49, 111, .12); font-weight: 600; }
.nav .who { display: inline-flex; align-items: center; gap: 6px; color: var(--text-main); font-weight: 600; padding: 0 4px; }
.nav .src {
  font: 400 10px/1 var(--sans); font-style: normal; letter-spacing: .5px;
  color: #fff; background: var(--primary); padding: 3px 5px; border-radius: 5px;
}
.nav .quiet { font-weight: 400; }

/* page head */
.page-head { padding: 34px 0 6px; }
.page-head h1 { font-size: 24px; font-weight: 600; letter-spacing: 2px; margin-bottom: 6px; }
.page-head .sub { color: var(--text-sub); font-size: 13px; letter-spacing: .5px; }

.notice {
  margin: 18px 0 0; padding: 12px 16px; border-radius: 12px;
  background: rgba(182, 49, 111, .1); color: var(--primary-dark); font-size: 13.5px;
}
.notice.error { background: rgba(231, 76, 60, .1); color: var(--error); }

/* search */
.search { display: flex; gap: 10px; margin: 20px 0 6px; }
.search input {
  flex: 1; padding: 12px 16px; border-radius: 12px;
  border: 2px solid rgba(182, 49, 111, .15);
  background: var(--bg-card); font: 14px var(--sans); color: var(--text-main);
  outline: none; transition: all .25s;
}
.search input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(182, 49, 111, .1); }
.search button {
  padding: 0 20px; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font: 600 13px var(--sans); letter-spacing: 2px;
}

/* tabs */
.tabs { display: flex; gap: 4px; margin: 18px 0 4px; }
.tabs a {
  padding: 8px 16px; border-radius: 10px; font-size: 13.5px; color: var(--text-sub);
  transition: all .25s; letter-spacing: .5px;
}
.tabs a:hover { color: var(--primary-dark); background: rgba(182, 49, 111, .08); }
.tabs a.on { color: #fff; background: var(--primary); font-weight: 600; }

/* thread list card */
.threads {
  margin-top: 14px; background: var(--bg-card); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.thread-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 22px; border-bottom: 1px solid var(--line); color: var(--text-main);
  transition: background .2s;
}
.thread-row:last-child { border-bottom: 0; }
.thread-row:hover { background: #fbfaf7; color: var(--text-main); }
.tag {
  flex: none; font-size: 11.5px; line-height: 1.6; letter-spacing: .5px;
  color: var(--primary-dark); background: rgba(182, 49, 111, .12);
  padding: 2px 9px; border-radius: 8px; white-space: nowrap; margin-top: 3px;
}
.thread-main { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.thread-title { font-size: 16.5px; font-weight: 600; letter-spacing: .3px; }
.thread-meta { font-size: 12px; color: var(--text-sub); }

.empty {
  margin-top: 14px; padding: 26px 22px; background: var(--bg-card);
  border-radius: var(--radius); box-shadow: var(--shadow);
  color: var(--text-sub); font-size: 13.5px;
}

.pager { display: flex; gap: 8px; padding: 20px 0 4px; font-size: 13px; flex-wrap: wrap; }
.pager a {
  min-width: 34px; text-align: center; padding: 6px 10px; border-radius: 10px;
  background: var(--bg-card); color: var(--text-sub); box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
}
.pager a.on { background: var(--primary); color: #fff; }

/* thread detail */
.crumb { display: flex; align-items: center; gap: 8px; padding: 26px 0 0; font-size: 12.5px; color: var(--text-sub); }
.post {
  margin-top: 14px; padding: 28px 26px 22px; background: var(--bg-card);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.post h1 { font-size: 23px; font-weight: 600; letter-spacing: 1px; line-height: 1.5; margin-bottom: 8px; }
.post-meta { font-size: 12px; color: var(--text-sub); }
.post-body {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 15.5px; line-height: 1.9; white-space: pre-wrap; word-break: break-word;
}

.replies { margin-top: 18px; }
.replies h2, .reply-form h2, .block-h {
  font-size: 15px; font-weight: 600; letter-spacing: 2px; color: var(--text-main);
}
.replies .count { color: var(--text-sub); font-weight: 400; font-size: 12px; }
.reply {
  margin-top: 10px; padding: 16px 20px; background: var(--bg-card);
  border-radius: 14px; box-shadow: 0 4px 18px rgba(0, 0, 0, .04);
}
.reply-meta { font-size: 12px; color: var(--text-sub); margin-bottom: 5px; }
.reply-body { font-size: 14.5px; line-height: 1.8; white-space: pre-wrap; word-break: break-word; }

.reply-form { margin-top: 24px; padding: 24px 24px 22px; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); }
.reply-form h2 { margin-bottom: 14px; }

/* resources */
.res-list { margin-top: 14px; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.res-row { display: flex; gap: 14px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.res-row:last-child { border-bottom: 0; }
.res-main { min-width: 0; }
.res-title { font-size: 16px; font-weight: 600; letter-spacing: .3px; }
.res-meta { font-size: 12px; color: var(--text-sub); margin-top: 3px; }
.res-note { font-size: 13px; color: #4c5557; margin-top: 6px; white-space: pre-wrap; }
.res-upload { padding: 22px 0 6px; }
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font-size: 13.5px; font-weight: 600; letter-spacing: 2px;
  box-shadow: 0 4px 16px rgba(182, 49, 111, .2); transition: all .25s;
}
.btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(182, 49, 111, .3); }

/* forms */
.editor { margin-top: 16px; padding: 28px 26px; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); }
.editor.narrow { max-width: 460px; margin-left: auto; margin-right: auto; }
label { display: block; margin-bottom: 18px; font-size: 13px; color: var(--text-sub); letter-spacing: .5px; }
label input, label select, label textarea, .reply-form textarea {
  display: block; width: 100%; margin-top: 8px; padding: 13px 16px;
  border-radius: 12px; border: 2px solid rgba(182, 49, 111, .15);
  background: var(--bg-page); color: var(--text-main);
  font: 14.5px/1.65 var(--sans); outline: none; transition: all .25s;
}
label input:focus, label select:focus, label textarea:focus, .reply-form textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 4px rgba(182, 49, 111, .1); background: #fff;
}
textarea { resize: vertical; }

.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 2px; }
.hint, .hint-line { font-size: 12.5px; color: var(--text-sub); }
.hint-line { display: block; margin: 16px 0 0; line-height: 1.8; }
button {
  padding: 12px 26px; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font: 600 13.5px var(--sans); letter-spacing: 2px;
  box-shadow: 0 4px 16px rgba(182, 49, 111, .2); transition: all .25s;
}
button:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(182, 49, 111, .3); }

/* auth card (same visual as 官网账号页) */
.auth-wrap { min-height: calc(100vh - 160px); display: flex; align-items: center; justify-content: center; padding: 30px 0; }
.auth-card {
  width: 100%; max-width: 440px; background: var(--bg-card); border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .1); overflow: hidden;
}
.auth-tabs { display: flex; background: var(--bg-page); border-bottom: 1px solid rgba(0, 0, 0, .04); }
.auth-tab {
  flex: 1; padding: 17px; text-align: center; font-size: 14px; font-weight: 600;
  color: var(--text-sub); border-bottom: 3px solid transparent; letter-spacing: 2px;
  transition: all .3s;
}
.auth-tab:hover { color: var(--primary-light); }
.auth-tab.on { color: var(--primary); border-bottom-color: var(--primary); background: var(--bg-card); }
.auth-body { padding: 34px 34px 30px; }
.auth-head { text-align: center; margin-bottom: 26px; }
.auth-icon {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%;
  display: grid; place-items: center; font-size: 22px; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.auth-title { font-size: 19px; font-weight: 600; letter-spacing: 4px; }
.auth-sub { font-size: 11px; color: var(--text-sub); letter-spacing: 2px; margin-top: 5px; text-transform: uppercase; }
.mode-switch { display: flex; gap: 6px; margin-bottom: 20px; padding: 4px; background: var(--bg-page); border-radius: 12px; }
.mode-switch a {
  flex: 1; text-align: center; padding: 9px 6px; border-radius: 9px;
  font-size: 12.5px; color: var(--text-sub); letter-spacing: .5px; transition: all .25s;
}
.mode-switch a.on { background: #fff; color: var(--primary-dark); font-weight: 600; box-shadow: 0 2px 8px rgba(84, 30, 54, .07); }
.auth-body .field { margin-bottom: 18px; }
.auth-body .field label { margin-bottom: 8px; }
.auth-body .field input {
  width: 100%; padding: 14px 18px; border-radius: 12px;
  background: var(--bg-page); border: 2px solid rgba(182, 49, 111, .15);
  font-size: 14.5px; color: var(--text-main); outline: none; transition: all .3s;
}
.auth-body .field input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(182, 49, 111, .1); background: #fff; }
.auth-body .submit {
  width: 100%; padding: 14px; border-radius: 12px; margin-top: 4px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font-size: 14px; font-weight: 600; letter-spacing: 3px;
  border: 0; cursor: pointer; box-shadow: 0 4px 16px rgba(182, 49, 111, .2);
}
.auth-body .submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(182, 49, 111, .3); }
.auth-foot { text-align: center; font-size: 12.5px; color: var(--text-sub); margin-top: 16px; }
.auth-foot a { color: var(--primary); }

/* admin (local page) */
.stats { display: flex; gap: 10px; padding: 16px 0; flex-wrap: wrap; }
.stats span {
  padding: 8px 16px; border-radius: 10px; background: var(--bg-card);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .04); font-size: 13px; color: var(--text-sub);
}
.tbl { width: 100%; border-collapse: collapse; margin: 10px 0 26px; font-size: 13px; background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl th { color: var(--text-sub); font-weight: 400; background: #fbfaf7; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .bad { color: var(--error); }
.inline { display: inline; }
.mini {
  padding: 6px 12px; font-size: 12px; background: #fff; color: var(--text-main);
  border: 1px solid rgba(182, 49, 111, .3); box-shadow: none; letter-spacing: 0;
}
.mini:hover { background: rgba(182, 49, 111, .1); transform: none; box-shadow: none; }
.block-h { margin: 24px 0 6px; }

/* footer */
.foot { margin-top: 56px; padding: 26px 0 40px; border-top: 1px solid var(--line); }
.foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-sub); }
.foot a { color: var(--text-sub); }
.foot a:hover { color: var(--primary); }

@media (max-width: 640px) {
  .wrap { width: calc(100% - 28px); }
  .top-inner { flex-direction: column; align-items: flex-start; gap: 8px; padding: 10px 0; }
  .brand-logo { height: 40px; }
  .nav { gap: 2px; }
  .nav a { padding: 5px 9px; }
  .page-head { padding-top: 22px; }
  .page-head h1 { font-size: 20px; }
  .thread-row, .res-row { padding: 15px 16px; gap: 10px; }
  .thread-title { font-size: 15.5px; }
  .post { padding: 22px 18px 18px; }
  .post h1 { font-size: 19px; }
  .auth-body { padding: 26px 22px 24px; }
  .editor, .reply-form { padding: 20px 18px; }
  .form-foot { flex-direction: column; align-items: stretch; }
  button, .btn { width: 100%; }
}

/* admin extras */
.pill {
  display: inline-block; font-size: 11px; padding: 2px 7px; border-radius: 6px;
  color: #8c2352; background: rgba(182, 49, 111, .1);
}
.bad { color: #c0392b; }
.ops { white-space: nowrap; }
.ops .mini { margin-right: 6px; }
.mini.danger { border-color: rgba(192, 57, 43, .35); color: #b03024; }
.mini.danger:hover { background: rgba(192, 57, 43, .08); }
.tbl .muted { color: var(--text-sub); text-align: center; padding: 22px; }
.tbl td a { color: var(--primary); }