/* =========================================================
   投标人之家 — 浅蓝科技风样式
   ========================================================= */
:root{
  --blue:#1a73e8;
  --blue-d:#0b54c4;
  --blue-l:#e8f1fd;
  --cyan:#06b6d4;
  --ink:#0f2742;
  --ink-2:#3c4c63;
  --muted:#6b7c93;
  --line:#e4ecf5;
  --bg:#f6f9fe;
  --white:#ffffff;
  --shadow:0 8px 30px rgba(26,115,232,.10);
  --shadow-s:0 4px 14px rgba(26,115,232,.08);
  --radius:16px;
  --max:1180px;
  --gold:#f0a020;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--blue-l);color:var(--blue-d);font-weight:600}
.gold{background:#fff4e0;color:#b9791a}

/* ---------- 顶栏 ---------- */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(255,255,255,.82);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo .mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:18px;box-shadow:var(--shadow-s)}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{font-size:14.5px;color:var(--ink-2);padding:8px 13px;border-radius:10px;font-weight:500;transition:.18s}
.nav-links a:hover{background:var(--blue-l);color:var(--blue-d)}
.nav-dl{font-size:13.5px;color:var(--blue-d);font-weight:600;padding:7px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--white);transition:.18s}
.nav-dl:hover{background:var(--blue-l);border-color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:11px;font-weight:700;font-size:14.5px;
  transition:.2s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--blue),#2f86f0);color:#fff;box-shadow:var(--shadow-s)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(26,115,232,.28)}
.btn-ghost{background:var(--white);color:var(--blue-d);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);background:var(--blue-l)}
.menu-toggle{display:none;font-size:24px;background:none;border:none;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 80% -10%,rgba(6,182,212,.18),transparent 60%),
  radial-gradient(800px 400px at 10% 10%,rgba(26,115,232,.16),transparent 55%),
  linear-gradient(180deg,#eef5ff,#f6f9fe)}
.hero-in{padding:78px 0 70px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:42px;line-height:1.18;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(120deg,var(--blue),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:var(--ink-2);margin-bottom:26px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:26px;margin-top:34px}
.hero-stats .s b{display:block;font-size:26px;color:var(--blue-d)}
.hero-stats .s span{font-size:13px;color:var(--muted)}
.hero-card{background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.hero-card h3{font-size:16px;margin-bottom:14px;color:var(--ink)}
.hero-card .mini{display:flex;flex-direction:column;gap:11px}
.hero-card .mini a{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);padding:9px 12px;border-radius:11px;background:#fff;border:1px solid var(--line);transition:.18s}
.hero-card .mini a:hover{border-color:var(--blue);color:var(--blue-d);transform:translateX(3px)}
.hero-card .mini a .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan)}

/* ---------- 通用区块 ---------- */
section.block{padding:62px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 40px}
.sec-head .kicker{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--blue);text-transform:uppercase}
.sec-head h2{font-size:30px;margin:10px 0 12px;letter-spacing:-.4px}
.sec-head p{color:var(--muted);font-size:15.5px}

/* ---------- 政策 ---------- */
.pol-toolbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.pol-toolbar input{padding:11px 16px;border:1.5px solid var(--line);border-radius:12px;width:320px;font-size:14.5px;outline:none;background:#fff}
.pol-toolbar input:focus{border-color:var(--blue)}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.chip{padding:7px 15px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-size:13.5px;cursor:pointer;color:var(--ink-2);transition:.18s;font-weight:600}
.chip.active,.chip:hover{border-color:var(--blue);color:var(--blue-d);background:var(--blue-l)}
.pol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pol-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s;position:relative;overflow:hidden}
.pol-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe0f7}
.pol-card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}
.pol-card h3{font-size:17px;line-height:1.4}
.pol-card .org{font-size:12.5px;color:var(--muted);margin:8px 0 10px}
.pol-card .org b{color:var(--blue-d)}
.pol-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.pol-card .src{font-size:12px;color:var(--muted);margin-bottom:14px;display:flex;align-items:center;gap:6px}
.pol-card .go{display:inline-flex;align-items:center;gap:6px;color:var(--blue-d);font-weight:700;font-size:14px}
.pol-card .go:hover{text-decoration:underline}

/* ---------- 资源导航 ---------- */
.res-tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.res-tab{padding:9px 18px;border-radius:11px;background:#fff;border:1.5px solid var(--line);font-weight:600;font-size:14px;cursor:pointer;color:var(--ink-2);transition:.18s}
.res-tab.active,.res-tab:hover{border-color:var(--blue);background:var(--blue-l);color:var(--blue-d)}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.res-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;transition:.2s;border-left:4px solid var(--blue)}
.res-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.res-card h4{font-size:15.5px;margin-bottom:6px;color:var(--ink)}
.res-card p{font-size:13px;color:var(--muted);margin-bottom:12px;min-height:38px}
.res-card .lk{font-size:13px;color:var(--blue-d);font-weight:700;word-break:break-all}
.res-note{margin-top:18px;font-size:13px;color:var(--muted);background:var(--blue-l);padding:14px 18px;border-radius:12px;border:1px dashed #b9d4f5}

/* ---------- 文章 ---------- */
.art-toolbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:22px}
.art-toolbar input{padding:11px 16px;border:1.5px solid var(--line);border-radius:12px;width:300px;font-size:14.5px;outline:none;background:#fff}
.art-toolbar input:focus{border-color:var(--blue)}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.art-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:.22s;display:flex;flex-direction:column}
.art-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.art-cover{height:120px;display:grid;place-items:center;font-size:46px;background:linear-gradient(135deg,#eaf2ff,#e6f8fb)}
.art-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.art-body .cat{align-self:flex-start;margin-bottom:10px}
.art-body h3{font-size:16.5px;line-height:1.4;margin-bottom:9px}
.art-body p{font-size:13.5px;color:var(--muted);flex:1}
.art-body .more{margin-top:14px;color:var(--blue-d);font-weight:700;font-size:13.5px;display:flex;align-items:center;gap:5px}

/* ---------- 工具箱 ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.tool-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-s)}
.tool-panel h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.tool-panel .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
/* 自查清单 */
.chk-group{margin-bottom:16px}
.chk-group h4{font-size:14.5px;color:var(--blue-d);margin-bottom:8px;border-left:3px solid var(--cyan);padding-left:9px}
.chk-item{display:flex;align-items:flex-start;gap:10px;padding:7px 9px;border-radius:9px;font-size:14px;cursor:pointer;transition:.15s}
.chk-item:hover{background:var(--blue-l)}
.chk-item input{margin-top:5px;accent-color:var(--blue);width:16px;height:16px;flex:none}
.chk-item.done span{color:var(--muted);text-decoration:line-through}
.chk-progress{height:9px;background:#eef3fa;border-radius:999px;overflow:hidden;margin:6px 0 18px}
.chk-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:.3s}
.chk-count{font-size:13px;color:var(--muted);margin-bottom:6px}
/* 术语表 */
.glossary{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gloss{background:#f8fbff;border:1px solid var(--line);border-radius:11px;padding:13px 15px}
.gloss b{color:var(--blue-d);font-size:14px}
.gloss p{font-size:13px;color:var(--ink-2);margin-top:4px}
/* 计算器 */
.calc-row{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.calc-row label{font-size:14px;min-width:120px;color:var(--ink-2);font-weight:600}
.calc-row input,.calc-row select{flex:1;min-width:160px;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;outline:none}
.calc-row input:focus,.calc-row select:focus{border-color:var(--blue)}
.calc-result{background:linear-gradient(135deg,var(--blue-l),#e6f8fb);border-radius:12px;padding:16px 18px;margin-top:8px}
.calc-result .big{font-size:24px;font-weight:800;color:var(--blue-d)}
.calc-result .sm{font-size:13px;color:var(--ink-2)}
/* 时间轴 */
.timeline{position:relative;padding-left:8px}
.tl-item{display:flex;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line)}
.tl-item:last-child{border-bottom:none}
.tl-step{width:42px;height:42px;flex:none;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan))}
.tl-item h4{font-size:15px}
.tl-item p{font-size:13.5px;color:var(--muted)}
/* 模板下载 */
.tpl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.tpl{display:flex;align-items:center;gap:11px;background:#f8fbff;border:1px solid var(--line);border-radius:11px;padding:12px 14px;transition:.18s}
.tpl:hover{border-color:var(--blue);background:var(--blue-l)}
.tpl .ic{width:34px;height:34px;border-radius:9px;background:var(--blue-l);display:grid;place-items:center;font-size:17px;flex:none}
.tpl .tx b{display:block;font-size:14px;color:var(--ink)}
.tpl .tx span{font-size:12px;color:var(--muted)}

/* ---------- 导航：插件下载入口（低调呈现） ---------- */


/* ---------- 补充模块 banner ---------- */
.extra-banner{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow-s);display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.extra-banner .eb{text-align:center;padding:14px}
.extra-banner .eb .eic{font-size:30px;margin-bottom:8px}
.extra-banner .eb b{display:block;font-size:15px;margin-bottom:4px}
.extra-banner .eb span{font-size:12.5px;color:var(--muted)}

/* ---------- 页脚 ---------- */
footer{background:#0f2742;color:#cdd9e8;padding:46px 0 30px;margin-top:30px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h5{color:#fff;font-size:15px;margin-bottom:14px}
footer a{color:#aebfd4;font-size:13.5px;display:block;margin-bottom:9px;transition:.15s}
footer a:hover{color:#fff}
footer .about p{font-size:13.5px;color:#9fb1c8;margin-top:10px;line-height:1.7}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;font-size:12.5px;color:#8499b3;text-align:center}

/* ---------- 模态 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,39,66,.55);backdrop-filter:blur(3px);z-index:100;display:none;align-items:flex-start;justify-content:center;padding:40px 18px;overflow-y:auto}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:18px;max-width:820px;width:100%;box-shadow:0 30px 80px rgba(0,0,0,.3);overflow:hidden;animation:pop .25s ease}
@keyframes pop{from{transform:translateY(18px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-head{padding:24px 30px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:14px;background:linear-gradient(135deg,#eef5ff,#f6f9fe)}
.modal-head h2{font-size:22px;line-height:1.35}
.modal-head .cat{margin-bottom:8px}
.modal-close{background:none;border:none;font-size:26px;cursor:pointer;color:var(--muted);line-height:1;flex:none}
.modal-close:hover{color:var(--ink)}
.modal-body{padding:26px 30px 34px;font-size:15px;color:var(--ink-2)}
.modal-body h4{color:var(--blue-d);font-size:16px;margin:20px 0 8px}
.modal-body p{margin-bottom:12px}
.modal-body ul,.modal-body ol{margin:0 0 12px 22px}
.modal-body li{margin-bottom:7px}
.modal-body .tip{background:var(--blue-l);border-left:4px solid var(--blue);padding:13px 16px;border-radius:10px;font-size:14px;color:var(--ink-2);margin:14px 0}
.modal-foot{padding:0 30px 28px;display:flex;flex-direction:column;gap:14px}
.modal-foot .src-note{font-size:12.5px;color:var(--muted)}
.modal-foot #modalCopy{align-self:flex-start}

/* 文书范本正文（等宽、保留换行，便于复制） */
.tpl-doc{white-space:pre-wrap;word-break:break-word;font-size:13.5px;line-height:1.9;color:var(--ink);
  font-family:"Cascadia Code","JetBrains Mono","Consolas",ui-monospace,monospace;
  background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.tpl{cursor:pointer}
.tpl:active{transform:scale(.99)}

/* 常见废标原因速查卡片 */
.rej-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rej-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:.2s}
.rej-card:hover{box-shadow:var(--shadow);border-color:var(--blue)}
.rej-card h4{font-size:16px;margin:12px 0 10px;line-height:1.4}
.rej-tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 11px;border-radius:999px}
.rej-q{background:#e8f1ff;color:#0b54c4}
.rej-s{background:#e6f7ee;color:#0a8f4f}
.rej-t{background:#fff3e0;color:#c4760a}
.rej-p{background:#f0ecff;color:#6b3fd6}
.rej-x{background:#ffe9ec;color:#d23b4e}
.rej-scene{font-size:13.5px;color:var(--ink-2);margin-bottom:8px}
.rej-lesson{font-size:13.5px;color:var(--muted)}
.rej-scene b,.rej-lesson b{color:var(--ink)}

/* toast */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 22px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:200}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:30px}
  .pol-grid,.tools-grid{grid-template-columns:1fr}
  .res-grid,.art-grid,.tpl-grid{grid-template-columns:repeat(2,1fr)}
  .rej-grid{grid-template-columns:repeat(2,1fr)}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .hero h1{font-size:30px}
  .res-grid,.art-grid,.glossary,.tpl-grid{grid-template-columns:1fr}
  .rej-grid{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
  .pol-toolbar input,.art-toolbar input{width:100%}
}

/* =========================================================
   多页结构：页头/页脚由 nav.js 注入
   ========================================================= */

/* 子页面页头 */
.page-hero{background:linear-gradient(135deg,#eef5ff,#e6f8fb);border-bottom:1px solid var(--line);padding:44px 0 36px}
.page-hero .crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.page-hero .crumb a{color:var(--blue-d)}
.page-hero .crumb a:hover{text-decoration:underline}
.page-hero h1{font-size:30px;letter-spacing:-.4px;margin-bottom:10px}
.page-hero p{color:var(--ink-2);font-size:15.5px;max-width:700px}

/* 首页模块卡片 */
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:-34px;position:relative;z-index:2}
.mod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.22s;display:flex;flex-direction:column;gap:9px}
.mod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f7}
.mod-card .mi{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,var(--blue-l),#e6f8fb)}
.mod-card h3{font-size:17px}
.mod-card p{font-size:13.5px;color:var(--muted);flex:1}
.mod-card .go{color:var(--blue-d);font-weight:700;font-size:13.5px;margin-top:2px}
.mod-card .go:hover{text-decoration:underline}

/* 工具箱索引页 */
.tool-index{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}

/* 文章详情页 */
.article-detail{max-width:840px;margin:0 auto}
.article-detail .meta{display:flex;gap:12px;align-items:center;margin:6px 0 14px}
.article-detail h1{font-size:28px;line-height:1.35;letter-spacing:-.4px}
.article-detail .body{font-size:15.5px;color:var(--ink-2);line-height:1.9;margin-top:10px}
.article-detail .body h4{color:var(--blue-d);font-size:17px;margin:26px 0 10px}
.article-detail .body p{margin-bottom:13px}
.article-detail .body ul,.article-detail .body ol{margin:0 0 13px 22px}
.article-detail .body li{margin-bottom:7px}
.article-detail .body .tip{background:var(--blue-l);border-left:4px solid var(--blue);padding:13px 16px;border-radius:10px;font-size:14px;margin:16px 0}
.article-detail .act{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.article-detail .src-note{font-size:12.5px;color:var(--muted);margin-top:24px;padding-top:18px;border-top:1px dashed var(--line)}

/* 导航下拉（工具组） */
.nav-item{position:relative}
.nav-item > a{display:inline-flex;align-items:center;cursor:pointer}
.nav-caret{font-size:10px;margin-left:3px}
.nav-drop{position:absolute;top:46px;left:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;min-width:184px;display:none;flex-direction:column;z-index:70}
.nav-item.open .nav-drop{display:flex}
.nav-drop a{padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink-2);white-space:nowrap}
.nav-drop a:hover,.nav-drop a.active{background:var(--blue-l);color:var(--blue-d)}
.nav-links a.active{background:var(--blue-l);color:var(--blue-d)}

/* 通用空状态/占位 */
.empty{padding:40px;text-align:center;color:var(--muted);grid-column:1/-1}

@media(max-width:980px){
  .mod-grid{grid-template-columns:repeat(2,1fr)}
  .tool-index{grid-template-columns:1fr}
}
@media(max-width:680px){
  .mod-grid{grid-template-columns:1fr}
  .nav-drop{position:static;box-shadow:none;border:none;padding:4px 0 4px 14px;min-width:0}
  .nav-item.open .nav-drop{display:flex}
}