/* 引擎招标情报 — 深蓝主色 + 琥珀点缀 */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue-900: #0c2242;
  --blue-800: #12315e;
  --blue-700: #1a4178;
  --amber: #f2a33c;
  --amber-dark: #d98a1f;
  --ink: #1f2d3d;
  --muted: #7a8aa0;
  --bg: #f4f6fa;
  --line: #e4e9f2;
}
html { font-size: 15px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.7;
}
a { color: var(--blue-700); text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* header */
.topbar { background: linear-gradient(135deg, var(--blue-900), var(--blue-800)); color: #fff; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; }
.logo { font-size: 1.35rem; font-weight: 700; color: #fff; letter-spacing: 1px; }
.logo::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--amber); margin-right: 8px; }
.topnav { display: flex; align-items: center; gap: 16px; font-size: .95rem; }
.topnav a { color: #cdd9ec; }
.topnav a:hover { color: #fff; }
.topnav .hi { color: #8fa6c6; }
.btn-sm { display: inline-block; background: var(--amber); color: #1d2a3a !important; padding: 4px 14px; border-radius: 999px; font-weight: 600; border: none; cursor: pointer; font-size: .9rem; }
.btn-sm:hover { background: var(--amber-dark); }
.btn-sm.ghost { background: transparent; color: #cdd9ec !important; border: 1px solid #4a6f9f; }
.catbar { background: rgba(0,0,0,.18); }
.catbar-in { display: flex; gap: 4px; overflow-x: auto; padding: 0 16px; }
.catbar-in a { color: #b9c9e0; padding: 9px 14px; font-size: .92rem; white-space: nowrap; border-bottom: 2px solid transparent; }
.catbar-in a:hover { color: #fff; }
.catbar-in a.on { color: var(--amber); border-bottom-color: var(--amber); }

.main { padding: 24px 16px 48px; min-height: 60vh; }

/* hero */
.hero { text-align: center; padding: 44px 16px 36px; background: linear-gradient(180deg, #eaf0f9, var(--bg)); border-radius: 18px; margin-bottom: 28px; }
.hero h1 { font-size: 1.9rem; color: var(--blue-800); letter-spacing: 1px; }
.hero-sub { color: var(--muted); margin: 10px 0 22px; }
.searchbox { display: flex; max-width: 620px; margin: 0 auto; background: #fff; border-radius: 999px; overflow: hidden; box-shadow: 0 6px 18px rgba(18,49,94,.12); }
.searchbox input { flex: 1; border: none; outline: none; padding: 14px 22px; font-size: 1rem; }
.searchbox button { border: none; background: var(--amber); color: #1d2a3a; font-weight: 700; padding: 0 30px; font-size: 1rem; cursor: pointer; }
.searchbox button:hover { background: var(--amber-dark); }

/* sections & cards */
.section { margin-bottom: 34px; }
.sec-title { font-size: 1.25rem; color: var(--blue-800); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.sec-title em { font-style: normal; font-size: .85rem; color: var(--muted); font-weight: 400; }
.sec-title .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(242,163,60,.25); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { display: block; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px; transition: box-shadow .15s, transform .15s; color: var(--ink); }
.card:hover { box-shadow: 0 8px 22px rgba(18,49,94,.12); transform: translateY(-2px); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.badge { font-size: .75rem; padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.st-进行中 { background: #e3f2e8; color: #1e7d45; }
.st-即将截止 { background: #fdf0dc; color: var(--amber-dark); }
.st-已截止 { background: #eceff4; color: var(--muted); }
.cat-tag { font-size: .78rem; color: var(--muted); }
.card-title { font-size: 1.02rem; line-height: 1.5; color: var(--blue-800); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { font-size: .85rem; color: var(--muted); display: flex; flex-direction: column; gap: 2px; }
.card-foot { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); display: flex; justify-content: space-between; font-size: .82rem; }
.deadline { color: var(--amber-dark); font-weight: 600; }
.region { color: var(--muted); }
.empty { color: var(--muted); padding: 20px 4px; grid-column: 1 / -1; }

.pager { display: flex; justify-content: center; align-items: center; gap: 18px; margin-top: 22px; font-size: .92rem; }
.pager a { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px 16px; }
.pager a:hover { border-color: var(--amber); color: var(--amber-dark); }

.subchips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.subchips a { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-size: .85rem; color: var(--muted); }
.subchips a.on { background: var(--blue-800); color: #fff; border-color: var(--blue-800); }

/* detail */
.detail { max-width: 820px; margin: 0 auto; }
.d-title { font-size: 1.5rem; color: var(--blue-800); line-height: 1.5; margin-bottom: 14px; }
.d-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .9rem; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; align-items: center; }
.d-meta .amber { color: var(--amber-dark); }
.d-tags { margin: 14px 0 22px; display: flex; gap: 8px; }
.d-tags a { background: #eaf0f9; color: var(--blue-700); font-size: .8rem; padding: 3px 12px; border-radius: 999px; }
.d-block { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 14px; }
.d-block h2 { font-size: 1.05rem; color: var(--blue-800); margin-bottom: 10px; }
details.d-block { padding: 0; overflow: hidden; }
details.d-block summary { cursor: pointer; padding: 16px 20px; font-size: 1.02rem; font-weight: 600; color: var(--blue-800); list-style: none; position: relative; }
details.d-block summary::after { content: "▾"; position: absolute; right: 20px; color: var(--amber); transition: transform .15s; }
details.d-block:not([open]) summary::after { transform: rotate(-90deg); }
details.d-block .d-body { padding: 0 20px 18px; }
.d-body { color: #3a4a5e; }
.prewrap { white-space: pre-wrap; }
.att-list { padding-left: 18px; }
.gate { text-align: center; background: linear-gradient(180deg, #fff, #f6f8fc); border: 1px dashed #b9c9e0; border-radius: 14px; padding: 36px 20px; margin-bottom: 14px; }
.gate-lock { font-size: 2rem; }
.gate h3 { color: var(--blue-800); margin: 10px 0 6px; }
.gate p { color: var(--muted); margin-bottom: 18px; }
.gate-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--amber); color: #1d2a3a; font-weight: 700; border: none; border-radius: 10px; padding: 10px 26px; font-size: 1rem; cursor: pointer; }
.btn:hover { background: var(--amber-dark); }
.btn.ghost { background: transparent; border: 1px solid var(--blue-700); color: var(--blue-700); }
.btn.full { width: 100%; }
.d-source { font-size: .85rem; color: var(--muted); margin-top: 10px; }

/* auth */
.auth-box { max-width: 400px; margin: 40px auto; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 32px 28px; }
.auth-box h1 { color: var(--blue-800); text-align: center; }
.auth-sub { text-align: center; color: var(--muted); font-size: .9rem; margin: 6px 0 20px; }
.auth-box label { display: block; font-size: .9rem; color: var(--muted); margin-bottom: 14px; }
.auth-box input { width: 100%; margin-top: 6px; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 1rem; outline: none; }
.auth-box input:focus { border-color: var(--amber); }
.err { background: #fdecec; color: #c0392b; border-radius: 8px; padding: 8px 12px; font-size: .88rem; margin-bottom: 14px; }
.auth-switch { text-align: center; margin-top: 16px; font-size: .9rem; color: var(--muted); }

/* digest */
.digest { max-width: 720px; margin: 0 auto; }
.digest h1 { color: var(--blue-800); }
.d-date { font-size: .95rem; color: var(--muted); font-weight: 400; margin-left: 8px; }
.digest-tip { color: var(--muted); font-size: .9rem; margin: 8px 0 16px; }
.digest-body { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px 28px; font-size: .95rem; }
.digest-body p { margin: 0; }

/* admin */
.admin h1 { color: var(--blue-800); font-size: 1.3rem; }
.admin h1 em { font-style: normal; font-size: .85rem; color: var(--muted); font-weight: 400; margin-left: 10px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.admin-head .btn-sm.ghost { color: var(--blue-700) !important; border-color: var(--blue-700); }
.admin-search { display: flex; gap: 10px; margin-bottom: 14px; }
.admin-search input { flex: 1; max-width: 320px; border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; font-size: .88rem; }
.admin-table th, .admin-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.admin-table th { background: var(--blue-800); color: #fff; font-weight: 500; }
.admin-table tr.off td { color: #b0bccb; }
.t-title { max-width: 260px; }
.ops { white-space: nowrap; }
.ops a, .ops button { font-size: .82rem; margin-right: 6px; background: none; border: none; color: var(--blue-700); cursor: pointer; padding: 0; }
.ops form { display: inline; }
.ops .danger { color: #c0392b; }
.edit-form { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px; max-width: 760px; margin-top: 16px; }
.edit-form label { display: block; font-size: .88rem; color: var(--muted); margin-bottom: 14px; }
.edit-form input, .edit-form textarea, .edit-form select { width: 100%; margin-top: 5px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font-size: .95rem; font-family: inherit; outline: none; }
.edit-form input:focus, .edit-form textarea:focus { border-color: var(--amber); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* footer */
.footer { background: var(--blue-900); color: #8fa6c6; text-align: center; padding: 26px 16px; font-size: .88rem; }
.footer .dim { color: #5d759a; margin-top: 4px; }
.footer a { color: #8fa6c6; }

@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.4rem; }
  .topbar-in { flex-wrap: wrap; gap: 8px; }
  .searchbox button { padding: 0 18px; }
  .d-meta { gap: 6px 14px; }
  .row2 { grid-template-columns: 1fr; }
  .admin-table { display: block; overflow-x: auto; }
}