/* ============ 招投标文件大师 · 共享样式 ============ */
:root{
  color-scheme: light;   /* 声明本站为浅色，避免安卓/部分手机浏览器“强制深色”把页面翻成黑屏 */
  --bg:#f4f6f9; --panel:#fff; --ink:#1f2733; --sub:#6b7280;
  --line:#e3e8ef; --brand:#b91c1c; --brand2:#0f4c81; --ok:#15803d; --warn:#b45309;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:"Microsoft YaHei","微软雅黑","PingFang SC","Segoe UI",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6}
a{color:var(--brand2);text-decoration:none}
/* 顶栏 */
header{position:sticky;top:0;z-index:50;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.bar{max-width:1280px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--brand2)}
.logo .mk{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--brand2),#1769aa);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.logo small{font-weight:400;color:var(--sub);font-size:12px}
.home-link{font-size:13px;color:var(--sub);padding:6px 10px;border-radius:7px;border:1px solid var(--line)}
.home-link:hover{background:#f8fafc}
.tools{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
button{font-family:inherit;font-size:13.5px;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:8px 14px;border-radius:8px;cursor:pointer;transition:.15s;white-space:nowrap}
button:hover{border-color:#c4ccd6;background:#f8fafc}
button.primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
button.primary:hover{background:#a01818}
button.ghost{background:transparent}
/* 布局 */
main{max-width:1280px;margin:0 auto;padding:18px 20px 80px;display:grid;grid-template-columns:1fr 340px;gap:20px}
@media(max-width:980px){main{grid-template-columns:1fr}.side{position:static!important}}
.col-form{min-width:0}
/* 折叠区块 */
.acc{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.acc>summary{list-style:none;cursor:pointer;padding:14px 18px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:10px;user-select:none}
.acc>summary::-webkit-details-marker{display:none}
.acc>summary .num{width:24px;height:24px;border-radius:6px;background:#eef2f7;color:var(--brand2);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.acc>summary .chev{margin-left:auto;color:var(--sub);transition:.2s}
.acc[open]>summary .chev{transform:rotate(90deg)}
.acc[open]>summary{border-bottom:1px solid var(--line)}
.body{padding:16px 18px}
/* 字段 */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.f{display:flex;flex-direction:column;gap:5px}
.f.full{grid-column:1/-1}
.f label{font-size:13px;color:#374151;font-weight:500}
.f label .req{color:var(--brand);margin-left:2px}
.f .hint{font-size:11.5px;color:var(--sub);font-weight:400}
input,textarea,select{font-family:inherit;font-size:13.5px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;transition:.15s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand2);box-shadow:0 0 0 3px rgba(15,76,129,.1)}
textarea{resize:vertical;min-height:62px;line-height:1.6}
/* 动态行 */
.rows{display:flex;flex-direction:column;gap:10px}
.rowcard{border:1px solid var(--line);border-radius:10px;padding:30px 12px 12px;background:#fbfcfe;position:relative}
.rowcard .rmrow{position:absolute;top:7px;right:8px;padding:3px 8px;font-size:12px;color:var(--brand);border-color:#f0d4d4;background:#fff}
.rowcard .idx{position:absolute;top:9px;left:12px;font-size:12px;color:var(--sub);font-weight:600}
.rowcard .rowgrid{margin-top:0}
.addbtn{align-self:flex-start;border-style:dashed;color:var(--brand2)}
/* 图片 */
.imgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.imgcard{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fbfcfe}
.imgcard img{width:100%;height:110px;object-fit:cover;display:block;background:#eee}
.imgcard .meta{padding:8px}
.imgcard input,.imgcard select{font-size:12px;padding:5px 7px;margin-top:5px}
.imgcard .rm{width:100%;margin-top:6px;font-size:12px;color:var(--brand);border-color:#f0d4d4}
.dropzone{border:2px dashed #c8d2de;border-radius:12px;padding:26px;text-align:center;color:var(--sub);cursor:pointer;background:#fbfcfe;transition:.15s}
.dropzone:hover,.dropzone.drag{border-color:var(--brand2);background:#f2f7fc;color:var(--brand2)}
/* 侧栏 */
.side{position:sticky;top:78px;align-self:start;display:flex;flex-direction:column;gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:16px}
.card h3{margin:0 0 12px;font-size:14px;display:flex;align-items:center;gap:8px}
.sum{font-size:13px}
.sum .line{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px dashed var(--line)}
.sum .line:last-child{border-bottom:none}
.sum .k{color:var(--sub)} .sum .v{font-weight:600;text-align:right;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sum .v.bad{color:var(--brand)} .sum .v.good{color:var(--ok)}
.gen{width:100%;padding:13px;font-size:15px;margin-top:4px}
.tip{font-size:12px;color:var(--sub);line-height:1.7;background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:12px}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);opacity:0;background:#1f2733;color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;z-index:100;transition:.25s;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--brand)}
.badge{font-size:11px;background:#eef2f7;color:var(--brand2);padding:2px 8px;border-radius:20px;font-weight:600}
hr.sep{border:none;border-top:1px solid var(--line);margin:14px 0}

/* ============ 产品首页 ============ */
.hero{max-width:1080px;margin:0 auto;padding:48px 24px 24px;text-align:center}
.hero h1{font-size:32px;margin:0 0 10px;color:var(--ink);letter-spacing:1px}
.hero p{color:var(--sub);font-size:15px;margin:0 auto;max-width:640px}
.modules{max-width:1080px;margin:0 auto;padding:20px 24px 60px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:820px){.modules{grid-template-columns:1fr}}
.module{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
  padding:30px 28px;display:flex;flex-direction:column;transition:.18s;cursor:pointer;position:relative;overflow:hidden}
.module:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(16,24,40,.1);border-color:#cdd7e3}
.module .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;margin-bottom:16px}
.module.zb .ic{background:linear-gradient(135deg,#0f4c81,#1769aa)}
.module.tb .ic{background:linear-gradient(135deg,#b91c1c,#dc4444)}
.module h2{margin:0 0 8px;font-size:21px}
.module .role{font-size:12px;color:var(--sub);margin-bottom:12px}
.module ul{margin:0 0 20px;padding-left:18px;color:#4b5563;font-size:13.5px;line-height:1.9}
.module .go{margin-top:auto;align-self:flex-start;background:var(--brand2);color:#fff;border:none;padding:10px 22px;border-radius:9px;font-size:14px;font-weight:600}
.module.tb .go{background:var(--brand)}
.foot{max-width:1080px;margin:0 auto;padding:0 24px 50px;color:var(--sub);font-size:12.5px;text-align:center;line-height:1.9}
.foot .std{display:inline-block;background:#eef2f7;color:var(--brand2);border-radius:20px;padding:3px 12px;margin:3px;font-size:12px}

/* ============ 账号条 + 登录弹窗 ============ */
.acct-chip{display:flex;align-items:center;gap:8px;font-size:12.5px}
.acct-chip .acct-name{color:var(--ink);font-weight:600;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acct-chip .acct-cred{background:#ecfdf5;color:#15803d;border:1px solid #bbf7d0;border-radius:20px;padding:2px 10px;font-weight:600}
.acct-chip .acct-btn{padding:5px 12px;font-size:12.5px;border-radius:7px}
.acct-chip .acct-btn.primary{background:var(--brand2);border-color:var(--brand2);color:#fff;font-weight:600}
.modal-mask{position:fixed;inset:0;background:rgba(16,24,40,.45);display:flex;align-items:center;justify-content:center;z-index:200}
.modal{background:#fff;border-radius:14px;width:380px;max-width:92vw;box-shadow:0 20px 50px rgba(0,0,0,.25);overflow:hidden}
.modal-h{padding:16px 20px;font-weight:700;font-size:16px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.modal-x{margin-left:auto;cursor:pointer;color:var(--sub);font-size:22px;line-height:1}
.modal-b{padding:18px 20px}
.modal-b .f{margin-bottom:12px}
.modal-actions{display:flex;gap:10px;margin-top:6px}
.modal-actions button{flex:1;padding:10px}
.auth-err{color:var(--brand);font-size:12.5px;min-height:18px;margin:2px 0 6px}
.auth-tip{font-size:12px;color:var(--sub);margin-top:12px;line-height:1.6}
.acct-quota{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13px;line-height:1.8}
.acct-quota b{color:#15803d}
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.plan{border:1px solid var(--line);border-radius:10px;padding:14px 12px;cursor:pointer;text-align:center;position:relative;transition:.15s}
.plan:hover{border-color:var(--brand2)}
.plan input{position:absolute;top:8px;left:8px}
.plan-name{font-weight:600;font-size:14px}
.plan-cred{color:var(--sub);font-size:12.5px;margin:4px 0}
.plan-price{color:var(--brand);font-weight:700;font-size:19px}
label.plan:has(input:checked){border-color:var(--brand2);background:#f2f7fc;box-shadow:0 0 0 2px rgba(15,76,129,.12)}