/* ==========================================================================
   智汇空间 · 笔记区样式
   配色与主站一致：#008FD7 / #005BAC / #F5F7FA
   ========================================================================== */

:root {
  --ts-primary: #008FD7;
  --ts-deep: #005BAC;
  --ts-bg: #F5F7FA;
  --ts-text: #1F2A37;
  --ts-muted: #6B7A8C;
  --ts-line: #E4EAF0;
  --ts-radius: 12px;
  --ts-shadow: 0 2px 12px rgba(16, 42, 67, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ts-bg);
  color: var(--ts-text);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* ============================ 顶部 ============================ */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--ts-line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; max-width: 1000px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--ts-deep); }
.brand .logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--ts-primary), var(--ts-deep));
  color: #fff; font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.header-right { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.header-right .who { color: var(--ts-muted); }
.header-right .who b { color: var(--ts-deep); font-weight: 600; }
.btn-mini {
  padding: 5px 14px; border-radius: 7px; font-size: 13.5px;
  border: 1px solid var(--ts-line); background: #fff; color: #41546B;
  cursor: pointer; font-family: inherit; transition: all .18s;
}
.btn-mini:hover { border-color: var(--ts-primary); color: var(--ts-deep); }
.btn-mini.primary { background: var(--ts-primary); border-color: var(--ts-primary); color: #fff; }
.btn-mini.primary:hover { background: var(--ts-deep); border-color: var(--ts-deep); }

/* ============================ 登录页 ============================ */
.login-page {
  min-height: calc(100vh - 130px);
  display: flex; align-items: center; justify-content: center;
  padding: 48px 20px;
}
.login-card {
  width: 100%; max-width: 400px;
  background: #fff; border-radius: 16px;
  box-shadow: 0 8px 32px rgba(16, 42, 67, .10);
  padding: 40px 36px 32px;
  border: 1px solid var(--ts-line);
}
.login-card .logo-big {
  width: 56px; height: 56px; border-radius: 15px; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--ts-primary), var(--ts-deep));
  color: #fff; font-size: 26px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 143, 215, .28);
}
.login-card h1 { margin: 0 0 6px; font-size: 21px; text-align: center; color: var(--ts-deep); }
.login-card .sub { margin: 0 0 28px; text-align: center; font-size: 13.5px; color: var(--ts-muted); }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: #41546B; margin-bottom: 7px; font-weight: 500; }
.field input {
  width: 100%; padding: 11px 14px; font-size: 15px;
  border: 1px solid var(--ts-line); border-radius: 9px;
  background: #FAFCFE; color: var(--ts-text);
  font-family: inherit; transition: all .18s; outline: none;
}
.field input:focus {
  border-color: var(--ts-primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 143, 215, .12);
}
.field input::placeholder { color: #A8B4C0; }

.btn-login {
  width: 100%; padding: 12px; margin-top: 6px;
  border: none; border-radius: 9px; cursor: pointer;
  background: linear-gradient(135deg, var(--ts-primary), var(--ts-deep));
  color: #fff; font-size: 15.5px; font-weight: 600; font-family: inherit;
  transition: all .2s;
}
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0, 143, 215, .32); }
.btn-login:active { transform: none; }

.alert {
  padding: 11px 14px; border-radius: 9px; font-size: 13.5px;
  margin-bottom: 18px; display: flex; align-items: flex-start; gap: 8px;
}
.alert-error { background: #FEF2F2; color: #B42318; border: 1px solid #FEE4E2; }
.alert .ico { flex: 0 0 16px; margin-top: 1px; font-size: 14px; }

.login-foot {
  margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--ts-line);
  text-align: center; font-size: 12.5px; color: var(--ts-muted); line-height: 2;
}
.login-foot a { color: var(--ts-muted); }
.login-foot a:hover { color: var(--ts-primary); }

/* ============================ 笔记列表 ============================ */
.page-head { padding: 40px 0 26px; }
.page-head h1 { margin: 0 0 8px; font-size: 25px; color: var(--ts-deep); }
.page-head p { margin: 0; color: var(--ts-muted); font-size: 14px; }

.note-list { display: grid; gap: 14px; padding-bottom: 40px; }
.note-item {
  display: block; background: #fff; border: 1px solid var(--ts-line);
  border-radius: var(--ts-radius); padding: 22px 24px;
  transition: all .2s;
}
.note-item:hover {
  border-color: #BFE3F6; box-shadow: var(--ts-shadow);
  transform: translateX(4px);
}
.note-item h3 { margin: 0 0 8px; font-size: 16.5px; color: var(--ts-text); }
.note-item:hover h3 { color: var(--ts-primary); }
.note-item p { margin: 0 0 10px; font-size: 13.5px; color: var(--ts-muted); }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-size: 12px; padding: 2px 10px; border-radius: 999px;
  background: #F0F6FB; color: var(--ts-deep); border: 1px solid #DCEAF5;
}

/* ============================ 笔记正文 ============================ */
.article {
  background: #fff; border: 1px solid var(--ts-line);
  border-radius: var(--ts-radius); padding: 40px 44px;
  margin: 34px 0 46px; box-shadow: var(--ts-shadow);
}
.article h1 { margin: 0 0 14px; font-size: 26px; line-height: 1.45; color: var(--ts-deep); }
.article .meta {
  font-size: 13px; color: var(--ts-muted);
  padding-bottom: 20px; margin-bottom: 26px;
  border-bottom: 1px solid var(--ts-line);
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
}
.article .meta .tags { display: inline-flex; }
.article-body { font-size: 15.5px; line-height: 1.9; color: #2B3A4A; }
.article-body h2 {
  margin: 34px 0 14px; font-size: 19px; color: var(--ts-deep);
  padding-left: 12px; border-left: 3px solid var(--ts-primary);
}
.article-body h3 { margin: 26px 0 10px; font-size: 16.5px; color: var(--ts-text); }
.article-body p { margin: 0 0 16px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 24px; }
.article-body li { margin-bottom: 7px; }
.article-body code {
  background: #F0F4F8; padding: 2px 6px; border-radius: 4px;
  font-family: "Cascadia Code", Consolas, Monaco, monospace;
  font-size: 13.5px; color: #005BAC;
}
.article-body pre {
  background: #0E3A57; color: #D6E6F2; padding: 18px 20px;
  border-radius: 10px; overflow-x: auto; margin: 0 0 18px;
  font-size: 13.5px; line-height: 1.7;
}
.article-body pre code { background: none; color: inherit; padding: 0; font-size: 13.5px; }
.article-body table {
  width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 14px;
}
.article-body th, .article-body td {
  border: 1px solid var(--ts-line); padding: 9px 12px; text-align: left;
}
.article-body th { background: #EEF4F9; color: var(--ts-deep); font-weight: 600; }
.article-body blockquote {
  margin: 0 0 18px; padding: 12px 18px;
  border-left: 3px solid var(--ts-primary); background: #F7FBFE;
  color: #41546B; border-radius: 0 8px 8px 0;
}
.article-body strong { color: var(--ts-deep); }

.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; color: var(--ts-muted); margin-bottom: 4px;
}
.back-link:hover { color: var(--ts-primary); }

/* ============================ 错误页 ============================ */
.err-box { text-align: center; padding: 80px 20px; }
.err-code {
  font-size: 84px; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, #008FD7, #005BAC);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -3px;
}
.err-box h1 { font-size: 20px; margin: 16px 0 10px; color: var(--ts-text); }
.err-box p { color: var(--ts-muted); font-size: 14px; margin: 0 0 26px; }

/* ============================ 页脚 ============================ */
.site-footer {
  background: #0E3A57; color: rgba(255, 255, 255, .72);
  padding: 30px 0 22px; font-size: 13px; text-align: center; line-height: 2;
}
.site-footer a { color: rgba(255, 255, 255, .72); }
.site-footer a:hover { color: #fff; }
.beian-link { color: rgba(255, 255, 255, .82) !important; display: inline-block !important; }
.beian-link:hover { color: #fff !important; text-decoration: underline; }
.beian-icon { display: inline-block; vertical-align: -2px; margin-right: 5px; width: 14px; height: 14px; }
/* 公安联网备案徽标（36x40 原图，按高 15px 等比缩放） */
.gongan-icon { display: inline-block; vertical-align: -3px; margin-right: 4px; height: 15px; width: auto; }
.footer-sep { margin: 0 10px; opacity: .45; }

/* ============================ 响应式 ============================ */
@media (max-width: 680px) {
  .login-card { padding: 32px 24px 26px; }
  .article { padding: 28px 22px; margin: 24px 0 34px; }
  .article h1 { font-size: 21px; }
  .article-body { font-size: 15px; }
  .site-header .wrap { height: 54px; }
  .header-right .who { display: none; }
}