:root{
  --deep-gray:#16191E;
  --deep-gray-2:#0F1216;
  --eng-blue:#2C5F8A;
  --eng-blue-dark:#1E4163;
  --eng-blue-50:#EEF3F8;
  --eng-blue-100:#D5E0EC;
  --gold:#B8924F;
  --gold-soft:#F7F1E6;
  --gold-strong:#9C7A3C;
  --cool-white:#F4F6F8;
  --surface:#FFFFFF;
  --line:#E5E9EE;
  --line-strong:#CBD2DB;
  --text:#1F242B;
  --muted:#6A727C;
  --muted-2:#9AA2AC;
  --ok:#1F9D6B;
  --ok-bg:#E7F6EF;
  --warn:#C8851A;
  --danger:#D9534F;
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(22,25,30,.07),0 1px 3px rgba(22,25,30,.06);
  --shadow:0 8px 28px rgba(22,25,30,.10);
  --shadow-lg:0 16px 48px rgba(15,25,45,.20);
  --maxw:1200px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  color:var(--text);background:var(--cool-white);line-height:1.65;
  -webkit-font-smoothing:antialiased;font-size:14px;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}

/* ===== 顶栏 ===== */
.topbar{
  display:flex;align-items:center;gap:12px;white-space:nowrap;
  background:var(--deep-gray);color:#fff;padding:0 24px;height:64px;
  box-shadow:0 2px 10px rgba(20,25,30,.25);position:relative;z-index:20;
}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--gold),#E0C588 45%,var(--gold) 75%,var(--eng-blue-dark));}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer;user-select:none;min-width:0;}
.brand .name{font-weight:700;letter-spacing:1.5px;font-size:17px;line-height:1.2;}
.brand .sub{font-size:11.5px;color:#9FB0C2;letter-spacing:1px;margin-top:1px;}
.topbar .spacer{flex:1;}
.topbar .link{color:#C7D2DD;font-size:13.5px;padding:8px 14px;border-radius:8px;transition:.15s;white-space:nowrap;}
.topbar .link:hover{color:#fff;background:rgba(255,255,255,.08);}
.tb-div{width:1px;height:22px;background:rgba(255,255,255,.18);margin:0 2px;}
.tb-tag{font-size:12px;color:#9FB0C2;border:1px solid rgba(159,176,194,.35);
  padding:4px 12px;border-radius:30px;letter-spacing:1px;}
.topbar .btn{white-space:nowrap;box-shadow:0 3px 10px rgba(44,95,138,.38);}

.wrap{max-width:var(--maxw);margin:0 auto;padding:30px 24px 64px;}

/* ===== 首页 Hero ===== */
.hero{
  position:relative;overflow:hidden;border-radius:16px;margin-bottom:28px;
  background:linear-gradient(135deg,#16191E 0%,#1E2329 50%,#2C5F8A 140%);
  color:#fff;padding:46px 44px;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.10;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:26px 26px;mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
}
.hero-inner{position:relative;z-index:1;max-width:760px;}
.hero h1{margin:0 0 12px;font-size:clamp(23px,3.4vw,30px);font-weight:800;letter-spacing:1px;line-height:1.2;white-space:nowrap;}
.hero p{margin:0;color:#C6D2DE;font-size:15px;max-width:560px;}
.hero-art{
  position:absolute;right:34px;top:50%;transform:translateY(-50%);
  width:210px;height:210px;z-index:1;pointer-events:none;
}

/* ===== 选择卡 ===== */
.section-title{font-size:16px;font-weight:700;color:var(--deep-gray);margin:0 0 14px;
  display:flex;align-items:center;gap:9px;}
.section-title::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--eng-blue);}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  position:relative;display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:.2s;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--eng-blue);opacity:0;transition:.2s;}
.card.active{cursor:pointer;}
.card.active:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--eng-blue-100);}
.card.active:hover::before{opacity:1;}
.card .ico{
  flex:0 0 62px;width:62px;height:62px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(160deg,var(--eng-blue-50),#DDEBFB);color:var(--eng-blue);
  border:1px solid var(--eng-blue-100);
}
.card-body{flex:1;min-width:0;}
.card h3{margin:2px 0 8px;font-size:19px;color:var(--deep-gray);font-weight:700;letter-spacing:.5px;}
.card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7;}
.card .badge{position:absolute;top:18px;right:18px;font-size:12px;padding:4px 12px;border-radius:30px;font-weight:600;}
.badge.on{background:var(--ok-bg);color:var(--ok);}
.badge.off{background:#EEF1F4;color:var(--muted-2);}
.card.disabled{opacity:.72;}
.card.disabled .ico{background:#F1F3F6;color:var(--muted-2);border-color:var(--line);}
.card-go{position:absolute;right:24px;bottom:18px;font-size:13px;font-weight:700;color:var(--eng-blue);letter-spacing:.5px;transition:.15s;}
.card.active:hover .card-go{color:var(--eng-blue-dark);}
.card-go.muted{color:var(--muted-2);}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px;}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:var(--shadow-sm);}
.feature .t{font-weight:700;color:var(--deep-gray);font-size:14px;margin-bottom:4px;}
.feature .d{color:var(--muted);font-size:12.5px;line-height:1.6;}

/* ===== 页面标题区 ===== */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap;}
.page-title{font-size:23px;font-weight:800;margin:0;color:var(--deep-gray);letter-spacing:.5px;}
.page-desc{color:var(--muted);margin:6px 0 0;font-size:13.5px;}

/* ===== 计算通道切换 ===== */
.channel-tabs{display:flex;gap:10px;margin:2px 0 16px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch;}
.chtab{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border:1px solid var(--line);border-radius:30px;background:#fff;
  font-size:14px;font-weight:600;color:var(--deep-gray);cursor:pointer;transition:.15s;white-space:nowrap;
  box-shadow:var(--shadow-sm);font-family:inherit;
}
.chtab:hover{border-color:var(--eng-blue-100);}
.chtab.active{background:var(--eng-blue);border-color:var(--eng-blue);color:#fff;box-shadow:0 4px 14px rgba(30,111,217,.22);}
.chtab.disabled{color:var(--muted-2);background:#F4F6F8;box-shadow:none;}
.chtab.disabled:hover{border-color:var(--line-strong);}
.chtab.disabled.active{background:#E8EBEF;border-color:var(--line-strong);color:var(--muted);box-shadow:none;}
.chtab i{font-style:normal;font-size:10.5px;padding:1px 7px;border-radius:20px;background:#E8EBEF;color:var(--muted-2);}
.chtab.active i{background:rgba(255,255,255,.22);color:#fff;}

/* ===== 工艺 / 弯头角度（单行分段） ===== */
.process-tabs,.angle-tabs{display:flex;gap:10px;margin:0 0 16px;}
.ptab{
  flex:1;text-align:center;padding:12px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);
  cursor:pointer;background:var(--surface);transition:.16s;box-shadow:var(--shadow-sm);
  font-family:inherit;font-size:14.5px;font-weight:700;color:var(--deep-gray);white-space:nowrap;
}
.ptab:hover{border-color:var(--eng-blue-100);}
.ptab.active{border-color:var(--eng-blue);background:linear-gradient(180deg,#fff,var(--eng-blue-50));color:var(--eng-blue-dark);box-shadow:0 4px 14px rgba(30,111,217,.16);}
.ptab.disabled{color:var(--muted-2);background:#F4F6F8;cursor:not-allowed;box-shadow:none;}
.ptab.disabled:hover{border-color:var(--line);}
.ptab i{font-style:normal;font-size:10.5px;padding:1px 7px;border-radius:20px;background:#E8EBEF;color:var(--muted-2);margin-left:3px;vertical-align:middle;}
.ptab.active i{background:rgba(44,95,138,.16);color:var(--eng-blue-dark);}

/* ===== 法兰压力标准切换（复用 .ptab 按钮样式） ===== */
.std-tabs{display:flex;gap:10px;margin:0 0 16px;}
.std-tabs .ptab{flex:1;}
/* 放进 .prs-level 卡片里时按等级条的按钮宽度显示，保持两排外观一致 */
.prs-level .std-tabs{margin:0;gap:8px;flex-wrap:wrap;}
.prs-level .std-tabs .ptab{flex:0 0 auto;min-width:66px;padding:7px 14px;font-size:13px;}
/* 压力标准提示：6kg/10kg/16kg 仅代表标准尺寸，不代表顶压 */
.std-hint{font-size:12px;color:var(--muted);margin:-8px 0 16px;line-height:1.5;}
.modal .std-hint{margin:0 0 12px;}

/* ===== 压力等级切换（仅压力管道页） ===== */
.prs-level{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 16px;padding:10px 14px;
  background:#F5F8FC;border:1px solid var(--line);border-left:3px solid var(--eng-blue);border-radius:var(--radius-sm);}
.prs-level-label{font-size:12.5px;font-weight:700;color:var(--deep-gray);white-space:nowrap;}
.prs-level-tabs{display:flex;gap:8px;}
.prs-level-tabs .ptab{flex:0 0 auto;min-width:66px;padding:7px 14px;font-size:13px;justify-content:center;}
.prs-level-hint{font-size:11.5px;color:var(--muted);}
.prs-level-inline{margin:0 0 14px;padding:10px 12px;background:#F5F8FC;border:1px solid var(--line);
  border-left:3px solid var(--eng-blue);border-radius:var(--radius-sm);}
.prs-level-inline label{display:block;font-size:12px;font-weight:600;color:var(--deep-gray);margin:0 0 8px;}
.prs-level-inline .prs-level-tabs{flex-wrap:wrap;}

/* ===== 法兰各规格尺寸网格（本机/后台弹窗共用） ===== */
.flange-grid{max-height:330px;overflow:auto;border:1px solid var(--line);border-radius:var(--radius-sm);background:#F7F9FB;padding:8px;}
.flange-tbl{border-collapse:collapse;width:100%;min-width:560px;font-size:12.5px;}
.flange-tbl th,.flange-tbl td{border:1px solid var(--line);padding:6px 7px;text-align:center;}
.flange-tbl thead th{background:#EEF3F8;color:var(--deep-gray);font-weight:700;line-height:1.3;}
.flange-tbl thead .ph{font-size:10.5px;color:var(--muted-2);font-weight:400;}
.flange-tbl tbody .sn{font-weight:700;color:var(--deep-gray);white-space:nowrap;font-variant-numeric:tabular-nums;}
.flange-tbl input{width:100%;min-width:62px;border:1px solid transparent;background:#fff;border-radius:6px;padding:6px 7px;font-size:12.5px;
  font-family:inherit;color:var(--eng-blue-dark);font-weight:600;text-align:right;font-variant-numeric:tabular-nums;transition:.15s;}
.flange-tbl input:focus{outline:none;border-color:var(--eng-blue);box-shadow:0 0 0 2px rgba(30,111,217,.12);}
/* 回填的系统默认值：灰底灰字，与已保存值区分 */
.flange-tbl input.is-def{background:#F4F6F8;color:var(--muted);font-weight:500;}
.flange-tbl input.is-def:focus{background:#fff;color:var(--eng-blue-dark);font-weight:600;}
/* 全局：凡是回填的「系统默认值」（壁厚网格 / 利润比 / 法兰表）统一灰底，与已保存值区分 */
.spec-grid input.is-def,
input.is-def{background:#F4F6F8;border-color:var(--line);color:var(--muted);font-weight:500;}
.spec-grid input.is-def:focus,
input.is-def:focus{background:#fff;color:var(--eng-blue-dark);font-weight:600;}
.flange-def-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 10px;}
.flange-def-bar .fd-note{font-size:12px;color:var(--muted);}
.flange-def-bar .fd-msg{font-size:12px;color:var(--eng-blue-dark);background:var(--eng-blue-50);padding:3px 9px;border-radius:20px;}
.flange-def-bar .fd-swatch{display:inline-block;width:22px;height:14px;border-radius:3px;background:#F4F6F8;border:1px solid var(--line);vertical-align:-2px;margin-right:4px;}

/* ===== 树脂型号选择区（计算器页面） ===== */
.resin-select-area{margin:0 0 4px;display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px;}
.resin-select-area .field-inline{flex:0 0 auto;width:172px;}
.resin-select-area .field-inline label{display:block;font-size:12px;margin:0 0 5px;color:var(--deep-gray);font-weight:600;white-space:nowrap;}
.resin-select-area .field-inline label .u{font-style:normal;font-weight:700;color:var(--eng-blue);font-size:11px;margin-left:4px;}
.resin-select-area .resin-select{height:36px;padding:0 8px;font-size:13px;width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;color:var(--deep-gray);font-family:inherit;cursor:pointer;}
.resin-select-area .resin-select:focus{outline:none;border-color:var(--eng-blue);box-shadow:0 0 0 3px rgba(30,111,217,.12);}
/* 管理后台材料目录（树脂型号表） */
.mat-sec-title{font-size:13px;font-weight:700;color:var(--deep-gray);margin:4px 0 8px;}
.resin-models{display:flex;flex-direction:column;gap:8px;margin-bottom:10px;}
.resin-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.resin-row .resin-name{flex:1 1 110px;height:36px;padding:0 10px;font-size:13px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font-family:inherit;color:var(--deep-gray);min-width:110px;box-sizing:border-box;}
.resin-row .resin-price{flex:1 1 110px;height:36px;padding:0 10px;font-size:13px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font-family:inherit;color:var(--deep-gray);min-width:130px;box-sizing:border-box;}
.resin-row .resin-del{flex:0 0 auto;width:32px;height:32px;border:none;background:#FBE9E9;color:#C0392B;border-radius:8px;cursor:pointer;font-size:16px;line-height:1;}
.resin-row .resin-del:hover{background:#F5D7D7;}
/* 未配价的树脂型号：整行淡黄底 + 醒目标签，避免误以为有默认值兜底 */
.mat-note{font-size:11.5px;color:var(--muted);margin:-2px 0 8px;line-height:1.5;}
.resin-row.no-price .resin-price{background:#FFFBEA;border-color:#F0C97A;}
.resin-row .rp-warn{flex:0 0 auto;font-size:11px;color:#8A6100;background:#FDF0C8;border:1px solid #F0D08A;border-radius:20px;padding:2px 8px;white-space:nowrap;margin-left:auto;}
/* 窄屏（手机）：型号｜单价｜删除 同行三列紧凑排布；未配价用黄底表达，隐藏「未配价」徽标 */
@media (max-width: 560px) {
  .resin-row{flex-wrap:nowrap;gap:6px;}
  .resin-row .resin-name{flex:0 0 34%;min-width:0;}
  .resin-row .resin-price{flex:1 1 auto;min-width:0;}
  .resin-row .rp-warn{display:none;}
  .resin-row .resin-del{flex:0 0 30px;width:30px;height:36px;}
  #cloudGlass{width:100%;}
  .ep-row input{width:110px;}
}
.mat-glass-field label{display:block;font-size:12px;margin:0 0 5px;color:var(--deep-gray);font-weight:600;}
#cloudGlass{height:36px;padding:0 10px;font-size:13px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);width:160px;font-family:inherit;color:var(--deep-gray);}

/* ===== 暂停服务占位 ===== */
.paused-note{background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:56px 20px;text-align:center;margin-top:4px;}
.paused-note .pn-t{font-size:17px;font-weight:700;color:var(--deep-gray);margin-bottom:8px;}
.paused-note .pn-d{font-size:13.5px;color:var(--muted);}

/* ===== 配置状态条 ===== */
.setting-status{
  font-size:13px;color:var(--muted);background:var(--eng-blue-50);
  border:1px solid var(--eng-blue-100);border-left:4px solid var(--eng-blue);
  border-radius:var(--radius-sm);padding:11px 14px;
}
.setting-status b{color:var(--eng-blue-dark);font-weight:700;}

/* ===== 计算器两栏 ===== */
.calc-grid{display:grid;grid-template-columns:minmax(380px,1fr) minmax(460px,1.3fr);gap:22px;align-items:start;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.panel-head{display:flex;align-items:center;gap:10px;padding:14px 18px;background:var(--deep-gray);color:#fff;}
.panel-head h3{margin:0;font-size:15.5px;font-weight:700;letter-spacing:.5px;}
.panel-head .spacer{flex:1;}
.panel-body{padding:14px 18px 18px;}

/* ===== 表格 ===== */
.budget-scroll{max-height:600px;overflow:auto;border:1px solid var(--line);border-radius:var(--radius-sm);}
table.budget,table.quote{width:100%;border-collapse:collapse;font-size:13.5px;}
table.budget thead th,table.quote thead th{
  background:#F1F4F8;color:var(--deep-gray);font-weight:700;text-align:left;
  padding:11px 12px;position:sticky;top:0;border-bottom:2px solid var(--line-strong);font-size:12.5px;letter-spacing:.3px;
}
table.budget td,table.quote td{padding:9px 12px;border-bottom:1px solid var(--line);}
table.budget tbody tr:nth-child(even),table.quote tbody tr:nth-child(even){background:#FAFBFC;}
table.budget tbody tr:hover,table.quote tbody tr:hover{background:var(--eng-blue-50);}
.price{font-weight:700;color:var(--eng-blue-dark);font-variant-numeric:tabular-nums;}
/* 未设置材料单价时的灰色占位 */
.price .unset{font-weight:600;color:#A6ADB5;font-size:12.5px;letter-spacing:1px;cursor:help;border-bottom:1px dashed #C7CDD4;}
.amount{font-weight:700;color:var(--deep-gray);font-variant-numeric:tabular-nums;}

/* ===== 报价单列宽与对齐（独立于预算清单） ===== */
table.quote th:nth-child(3),table.quote td:nth-child(3){text-align:center;width:56px;}      /* 单位 */
table.quote th:nth-child(4),table.quote td:nth-child(4),
table.quote th:nth-child(5),table.quote td:nth-child(5),
table.quote th:nth-child(6),table.quote td:nth-child(6){text-align:right;font-variant-numeric:tabular-nums;} /* 数量/单价/金额 */
table.quote th:nth-child(4){width:80px;}
table.quote th:nth-child(5){width:96px;}
table.quote th:nth-child(6){width:104px;}
table.quote th:nth-child(8),table.quote td:nth-child(8){text-align:center;width:44px;}        /* 操作 */
.quote .qty-input,.quote .price-input,.quote .unit-txt-input{text-align:right;font-variant-numeric:tabular-nums;}

.add-btn{
  border:none;background:var(--eng-blue);color:#fff;width:28px;height:28px;border-radius:7px;
  cursor:pointer;font-size:18px;line-height:1;font-weight:700;transition:.15s;box-shadow:var(--shadow-sm);
}
.add-btn:hover{background:var(--eng-blue-dark);transform:scale(1.08);}
.add-btn.disabled{background:#D5DAE0;cursor:not-allowed;box-shadow:none;transform:none;opacity:.7;}
.add-btn.disabled:hover{background:#D5DAE0;transform:none;}
.del-btn{border:none;background:transparent;color:var(--danger);cursor:pointer;font-size:18px;font-weight:700;line-height:1;}
.del-btn:hover{color:#B23A36;}

.unit-input,.qty-input,.price-input,.remark-input,.name-input,.spec-input,.unit-txt-input{
  width:100%;border:1px solid transparent;background:transparent;font-size:13.5px;padding:5px 6px;
  border-radius:6px;color:var(--text);font-family:inherit;
}
.unit-input:focus,.qty-input:focus,.price-input:focus,.remark-input:focus,
.name-input:focus,.spec-input:focus,.unit-txt-input:focus{border-color:var(--eng-blue);background:#F2F8FF;outline:none;}

.quote-foot{display:flex;justify-content:flex-end;align-items:center;gap:14px;padding:12px 4px 0;font-size:14px;color:var(--muted);}
.quote-foot .total{font-size:17px;font-weight:800;color:var(--deep-gray);}
.quote-foot .total b{color:var(--gold-strong);font-size:20px;margin-left:6px;}

/* 报价单横向滚动，避免窄屏挤压 */
.quote-scroll{max-width:100%;overflow:auto;border:1px solid var(--line);border-radius:var(--radius-sm);}
.quote-scroll table{min-width:700px;}

/* 预算清单紧凑样式 */
.spec{font-weight:700;color:var(--deep-gray);font-variant-numeric:tabular-nums;letter-spacing:.3px;}

/* 折叠公式 */
.formula-details{margin-top:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm);overflow:hidden;}
.formula-details summary{padding:12px 16px;cursor:pointer;font-weight:600;color:var(--deep-gray);font-size:13.5px;list-style:none;background:#F7F9FB;user-select:none;}
.formula-details summary::-webkit-details-marker{display:none;}
.formula-details summary::before{content:"▸";color:var(--eng-blue);margin-right:8px;font-size:12px;}
.formula-details[open] summary::before{content:"▾";}
.formula-details .formula{margin:0;border:none;border-radius:0;}

/* 页脚版本标记（隐藏入口） */
.vtag{display:inline-block;margin-left:6px;font-size:11px;color:var(--muted-2);cursor:default;user-select:none;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;font-size:14px;
  padding:9px 16px;border-radius:var(--radius-sm);border:1px solid var(--eng-blue);
  background:var(--eng-blue);color:#fff;font-weight:600;transition:.15s;box-shadow:var(--shadow-sm);
}
.btn:hover{background:var(--eng-blue-dark);border-color:var(--eng-blue-dark);}
.btn.ghost{background:#fff;color:var(--eng-blue);}
.btn.ghost:hover{background:var(--eng-blue-50);}
.btn.sm{padding:7px 13px;font-size:13px;}
.btn.danger{background:#fff;color:var(--danger);border-color:#EAC6C4;box-shadow:none;}
.btn.danger:hover{background:#FDF3F3;border-color:var(--danger);}

/* ===== 弹窗 ===== */
.modal-mask{position:fixed;inset:0;background:rgba(18,22,27,.55);display:none;
  align-items:center;justify-content:center;z-index:60;padding:16px;backdrop-filter:blur(2px);overflow-y:auto;}
.modal-mask.show{display:flex;}
.modal{background:#fff;border-radius:16px;width:100%;max-width:620px;margin:auto;
  max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);
  display:flex;flex-direction:column;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .18s ease;}
@keyframes pop{from{transform:translateY(12px) scale(.98);opacity:0;}to{transform:none;opacity:1;}}
.modal-head{background:var(--deep-gray);color:#fff;padding:15px 20px;display:flex;align-items:center;}
.modal-head h3{margin:0;font-size:16px;font-weight:700;flex:1;letter-spacing:.5px;}
.modal-head .x{cursor:pointer;font-size:22px;color:#B8C4D0;line-height:1;padding:0 4px;}
.modal-head .x:hover{color:#fff;}
.modal-body{padding:16px 20px 8px;overflow-y:auto;flex:1;min-height:0;}
.modal-foot{padding:10px 20px calc(14px + env(safe-area-inset-bottom, 0px));
  display:flex;gap:10px;justify-content:flex-end;align-items:center;
  border-top:1px solid var(--line);background:#fff;flex:0 0 auto;}
.modal-foot .spacer{flex:1;}

/* ===== 站点健康自检 ===== */
.hc-summary{border-radius:10px;padding:12px 14px;font-size:14px;font-weight:700;margin:0 0 14px;
  border:1px solid var(--line-strong);background:#F7F9FB;color:var(--muted-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hc-summary.ok{background:#EAF6EC;border-color:#9FD3A8;color:#1D7A34;}
.hc-summary.warn{background:#FFF6E5;border-color:#F0C879;color:#8A6200;}
.hc-summary.err{background:#FDECEA;border-color:#F0A9A0;color:#B3261E;}
.hc-summary .hc-count{margin-left:auto;font-weight:600;font-size:12px;opacity:.85;}
.hc-list{display:flex;flex-direction:column;gap:8px;margin:0 0 14px;}
.hc-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:10px;
  border:1px solid var(--line);background:#fff;}
.hc-item .hc-dot{width:18px;height:18px;border-radius:50%;flex:0 0 18px;margin-top:1px;
  display:flex;align-items:center;justify-content:center;font-size:11px;color:#fff;font-weight:700;line-height:1;}
.hc-item.pass .hc-dot{background:#1D7A34;}
.hc-item.warn .hc-dot{background:#C88A00;}
.hc-item.fail .hc-dot{background:#B3261E;}
.hc-item .hc-main{flex:1;min-width:0;}
.hc-item .hc-name{font-size:13px;font-weight:700;color:var(--deep-gray);margin-bottom:2px;}
.hc-item .hc-detail{font-size:12px;color:var(--muted);word-break:break-all;line-height:1.55;}
.hc-item .hc-ms{font-size:11px;color:var(--muted);flex:0 0 auto;margin-top:2px;font-variant-numeric:tabular-nums;}
.hc-note{font-size:12px;color:var(--muted);background:#F7F9FB;border:1px dashed var(--line-strong);
  border-radius:10px;padding:10px 12px;line-height:1.7;}

/* ===== 价格取整（预算清单折叠控件） ===== */
.round-toggle{background:#fff;border:1px solid var(--line-strong);border-radius:8px;
  padding:6px 12px;font-size:13px;color:var(--muted-2);cursor:pointer;transition:.15s;white-space:nowrap;}
.round-toggle:hover{border-color:var(--eng-blue);color:var(--eng-blue);}
.round-toggle .arr{display:inline-block;font-size:10px;transition:.15s;}
.round-toggle.open .arr{transform:rotate(180deg);}
.round-panel{display:none;flex-wrap:wrap;gap:8px 18px;align-items:center;
  background:#F7FAFF;border:1px solid var(--eng-blue-100);border-radius:10px;
  padding:9px 14px;margin:0 0 10px;font-size:13px;color:var(--deep-gray);}
.round-panel.open{display:flex;}
.round-panel label{display:flex;align-items:center;gap:5px;cursor:pointer;white-space:nowrap;}
.round-panel input{accent-color:var(--eng-blue);}

.field{margin-bottom:14px;}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px;margin-bottom:0;}
.field-grid .field{margin-bottom:10px;}
.field-grid .field input[type=number]{padding:8px 10px;}
.field label{display:block;font-size:13.5px;margin-bottom:7px;color:var(--deep-gray);font-weight:600;}
.field .hint{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.5;}
.field input[type=number]{width:100%;padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  font-size:14px;font-family:inherit;background:#FBFCFD;transition:.15s;}
.field input[type=number]:focus{outline:none;border-color:var(--eng-blue);background:#fff;box-shadow:0 0 0 3px rgba(30,111,217,.12);}

/* 各规格壁厚网格 */
.spec-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  max-height:236px;overflow:auto;padding:8px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#F7F9FB;
}
.spec-item{display:flex;align-items:center;gap:4px;background:#fff;
  border:1px solid var(--line);border-radius:6px;padding:4px 8px;transition:.15s;}
.spec-item:focus-within{border-color:var(--eng-blue);box-shadow:0 0 0 2px rgba(30,111,217,.12);}
.spec-item .sn{font-size:12px;font-weight:700;color:var(--deep-gray);flex:0 0 auto;
  font-variant-numeric:tabular-nums;}
.spec-item input{width:100%;min-width:0;border:none;background:transparent;font-size:13px;
  padding:2px 2px;text-align:right;border-radius:4px;font-family:inherit;color:var(--eng-blue-dark);font-weight:600;}
.spec-item input:focus{outline:none;}
.spec-item input::placeholder{color:#B9C2CB;font-weight:400;}

.formula{background:linear-gradient(180deg,#F7FAFF,#F2F7FD);border:1px solid var(--eng-blue-100);
  border-radius:var(--radius-sm);padding:14px 16px;font-size:12.5px;color:#3A4550;margin-top:18px;line-height:1.8;}
.formula b{color:var(--eng-blue-dark);}
.formula code{background:#E3EDFB;padding:1px 6px;border-radius:4px;color:var(--eng-blue-dark);font-size:12px;}

.foot-note{margin-top:30px;color:var(--muted-2);font-size:12px;text-align:center;border-top:1px solid var(--line);padding-top:18px;}

@media(max-width:980px){
  .calc-grid{grid-template-columns:1fr;}
  .cards{grid-template-columns:1fr;}
  .features{grid-template-columns:1fr;}
  .hero{padding:34px 26px;}
  .hero h1{font-size:24px;}
  .hero-art{display:none;}
}
@media(max-width:560px){
  .topbar{padding:0 12px;gap:8px;height:58px;}
  .brand .sub{display:none;}
  .brand .name{font-size:15px;}
  .brand .logo{width:36px;height:36px;flex:0 0 36px;border-radius:8px;}
  .topbar .link{padding:7px 10px;font-size:12.5px;}
  .topbar .btn.sm{padding:6px 10px;font-size:12.5px;}
  .tb-tag{display:none;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .modal{max-width:100%;}
}
@media print{
  .topbar,.page-head,.process-tabs,.setting-status,.panel-head .btn,
  .budget-scroll,table.budget,.formula,.formula-details,.foot-note,.vtag,
  .add-btn,.del-btn,.btn{display:none !important;}
  body{background:#fff;}
  .panel{border:none;box-shadow:none;}
  table.quote{width:100%;}
  table.quote thead th{background:#eee;}
}

/* ===== 法兰单规格计算器（收起/展开·横排） ===== */
.flange-single{margin:0 0 14px;}
.flange-single .panel{border:1px solid var(--line-strong);box-shadow:var(--shadow-sm);overflow:hidden;border-radius:var(--radius-sm);}
/* 三通直径下拉选择（与字段输入控件同高同风格） */
.tee-dn-select{height:36px;padding:0 8px;font-size:13px;width:100%;min-width:0;
  border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;color:var(--deep-gray);
  font-family:inherit;cursor:pointer;}
.tee-dn-select:focus{outline:none;border-color:var(--eng-blue);box-shadow:0 0 0 3px rgba(30,111,217,.12);}
.fs-fields .ts-main,.fs-fields .ts-branch{width:120px;}
/* 收起态：整条居中可点 */
.fs-toggle{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;
  background:#fff;border:none;cursor:pointer;padding:12px 14px;font-family:inherit;}
.fs-t-title{font-size:14.5px;font-weight:700;color:var(--deep-gray);white-space:nowrap;letter-spacing:.5px;}
.fs-t-sub{font-size:12px;color:var(--muted);white-space:nowrap;}
.fs-t-arrow{color:var(--eng-blue);font-size:12px;transition:transform .2s;}
.fs-toggle.open .fs-t-arrow{transform:rotate(180deg);}
/* 展开态：字段横向一行（小屏横向滑动），label 在上控件在下 */
.fs-panel-body{padding:12px 14px 14px;border-top:1px solid var(--line-strong);}
.fs-fields{display:flex;align-items:flex-end;gap:10px;overflow-x:auto;padding-bottom:2px;}
.fs-fields .field-inline{flex:0 0 auto;width:104px;}
.fs-fields .fs-spec{width:130px;}
.fs-fields .field-inline label{display:block;font-size:12px;margin:0 0 5px;color:var(--deep-gray);font-weight:600;white-space:nowrap;}
/* 字段单位备注（蓝色小字，明确填写单位） */
.fs-fields .field-inline label .u{font-style:normal;font-weight:700;color:var(--eng-blue);font-size:11px;margin-left:4px;letter-spacing:.2px;}
.fs-fields input{height:36px;padding:0 10px;font-size:13px;width:100%;}
.fs-fields .spec-picker-btn{width:100%;min-width:0;height:36px;margin:0;justify-content:space-between;padding:0 10px;font-size:13.5px;border-radius:var(--radius-sm);}
.fs-fields input[readonly]{background:#F4F7FA;color:var(--eng-blue-dark);cursor:default;}
/* 底部：单价胶囊（左） + 加入报价单（右）同行 */
.fs-foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;}
.fs-result{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:var(--eng-blue-50);}
.fs-result span{font-size:12px;color:var(--eng-blue);font-weight:600;}
.fs-result .sr-value{font-size:17px;font-weight:800;color:var(--eng-blue-dark);font-variant-numeric:tabular-nums;}
.fs-foot .btn{font-size:13px;padding:8px 18px;}
/* 单规格计算器：成本拆解条 */
.ps-breakdown{display:flex;flex-wrap:wrap;gap:8px 20px;margin:12px 0 2px;font-size:13px;color:var(--deep-gray);}
.ps-breakdown span{display:inline-flex;align-items:baseline;gap:5px;white-space:nowrap;}
.ps-breakdown b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;font-size:13.5px;}
.ps-spec{width:130px!important;}
.es-spec{width:130px!important;}
.single-dn-select{width:100%;height:36px;padding:0 10px;font-size:13.5px;font-family:inherit;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;color:var(--ink);}
/* 窄屏：隐藏副标题，标题条保持居中横排 */
@media (max-width:640px){
  .fs-t-sub{display:none;}
}
.spec-picker-btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  padding:9px 16px;border:1px solid var(--eng-blue);border-radius:var(--radius-sm);
  background:var(--eng-blue-50);color:var(--eng-blue-dark);font-weight:700;font-size:14.5px;
  font-family:inherit;transition:.15s;min-width:120px;justify-content:space-between;
}
.spec-picker-btn:hover{background:var(--eng-blue-100);}
.spec-picker-btn .arr{font-size:11px;}

/* ===== 规格型号滑动选择器（wheel picker） ===== */
.spec-picker-mask{position:fixed;inset:0;background:rgba(18,22,27,.55);display:none;
  align-items:center;justify-content:center;z-index:70;backdrop-filter:blur(2px);}
.spec-picker-mask.show{display:flex;}
.spec-picker{
  background:#fff;border-radius:16px;width:320px;max-width:90vw;overflow:hidden;
  box-shadow:var(--shadow-lg);animation:pop .18s ease;
}
.spec-picker .sp-head{display:flex;align-items:center;justify-content:space-between;
  padding:13px 18px;background:var(--deep-gray);color:#fff;font-size:15px;font-weight:700;letter-spacing:.5px;}
.spec-picker .sp-head button{background:var(--eng-blue);border:none;color:#fff;
  padding:6px 16px;border-radius:8px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;}
.spec-picker .sp-head button:hover{background:var(--eng-blue-dark);}
.sp-wheel{height:180px;overflow-y:scroll;scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch;
  position:relative;margin:8px 0;}
.sp-wheel::-webkit-scrollbar{width:0;height:0;}
.sp-list{padding:0;}
.sp-item{height:36px;line-height:36px;text-align:center;font-size:16px;color:var(--muted);
  scroll-snap-align:center;font-variant-numeric:tabular-nums;cursor:pointer;transition:.1s;}
.sp-item.active{color:var(--eng-blue-dark);font-weight:800;font-size:18px;}
.sp-center{position:absolute;left:18px;right:18px;top:72px;height:36px;
  border-top:1px solid var(--eng-blue);border-bottom:1px solid var(--eng-blue);
  background:rgba(44,95,138,.05);pointer-events:none;border-radius:6px;}


/* 弯头每公斤单价网格（管理后台，9 项） */
.ep-grid{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.ep-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.ep-name{flex:0 0 56px;font-weight:700;color:var(--muted)}
.ep-row label{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--text)}
.ep-row input{width:84px}
.ep-row input::placeholder{font-size:10px;color:var(--muted-2);}

/* =========================================================
   树脂选型页（resin.html）
   ========================================================= */
.rs-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:20px;align-items:start;}
.rs-panel{padding:18px 20px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.rs-panel .panel-head{background:none;color:inherit;padding:0 0 12px;border-bottom:1px solid var(--line);
  margin:-2px 0 14px;flex-wrap:wrap;}
.rs-panel .panel-head h2{margin:0;font-size:15.5px;font-weight:700;color:var(--deep-gray);letter-spacing:.5px;}
.rs-panel .panel-head h2::before{content:"";display:inline-block;width:3px;height:14px;border-radius:2px;
  background:var(--eng-blue);margin-right:8px;vertical-align:-2px;}
.rs-panel .panel-hint{margin-left:auto;font-size:12px;color:var(--muted-2);}

/* 模板按钮 */
.rs-presets{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px;padding:11px 12px;
  background:var(--eng-blue-50);border-radius:var(--radius-sm);border:1px solid var(--eng-blue-100);}
.rs-preset{cursor:pointer;border:1px solid var(--eng-blue-100);background:#fff;color:var(--eng-blue-dark);
  border-radius:20px;padding:5px 12px;font-size:12.5px;transition:.15s;font-family:inherit;}
.rs-preset:hover{background:var(--eng-blue);border-color:var(--eng-blue);color:#fff;}

/* 表单 */
.rs-field{margin-bottom:13px;}
.rs-field label{display:block;font-size:13px;font-weight:600;color:#33404E;margin-bottom:5px;}
.rs-hint{font-size:11.5px;color:var(--muted-2);font-weight:400;}
.rs-field select,.rs-field input[type=number]{
  width:100%;padding:9px 11px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  font-size:13.5px;background:#fff;color:var(--text);font-family:inherit;transition:.15s;}
.rs-field select:focus,.rs-field input[type=number]:focus{outline:none;border-color:var(--eng-blue);
  box-shadow:0 0 0 3px rgba(44,95,138,.12);}
.rs-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

/* 特殊工况 */
.rs-checks{display:flex;flex-wrap:wrap;gap:8px;}
.rs-chk{display:flex;align-items:center;gap:6px;font-size:12.5px;background:var(--cool-white);
  border:1px solid var(--line);padding:6px 11px;border-radius:var(--radius-sm);cursor:pointer;transition:.15s;}
.rs-chk:hover{border-color:var(--eng-blue-100);background:#fff;}
.rs-chk input{accent-color:var(--eng-blue);width:14px;height:14px;margin:0;cursor:pointer;}

.rs-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);}

/* 推荐结果 */
.rs-top{position:relative;background:linear-gradient(135deg,var(--deep-gray) 0%,var(--eng-blue-dark) 100%);
  color:#fff;border-radius:var(--radius);padding:18px 20px;margin-bottom:14px;overflow:hidden;}
.rs-top::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;
  border:20px solid rgba(255,255,255,.05);}
.rs-top-score{position:absolute;right:18px;top:18px;background:rgba(255,255,255,.13);border-radius:10px;
  padding:7px 14px;text-align:center;backdrop-filter:blur(4px);}
.rs-top-score b{display:block;font-size:22px;line-height:1.15;letter-spacing:.5px;}
.rs-top-score span{font-size:11px;opacity:.85;}
.rs-top-label{font-size:12px;color:#E4C68C;letter-spacing:1px;font-weight:600;}
.rs-top-name{font-size:23px;font-weight:800;margin:3px 0 5px;letter-spacing:.5px;}
.rs-top-type{font-size:12.5px;color:#B9C7D6;line-height:1.6;padding-right:80px;}

.rs-verdicts{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:9px;margin-bottom:14px;}
.rs-vcard{border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 11px;background:#fff;transition:.15s;}
.rs-vcard.rs-v-ok{border-color:#B7E4CF;background:#F6FCF9;}
.rs-vcard.rs-v-no{background:#FAFAFB;opacity:.86;}
.rs-vn{font-weight:700;font-size:13px;color:var(--deep-gray);line-height:1.4;}
.rs-vt{font-size:12px;font-weight:700;margin-top:3px;}
.rs-v-ok .rs-vt{color:var(--ok);} .rs-v-opt .rs-vt{color:var(--warn);} .rs-v-no .rs-vt{color:var(--danger);}
.rs-vs{font-size:11.5px;color:var(--muted);margin-top:2px;}
.rs-vs b{color:var(--eng-blue-dark);font-size:13px;}
.rs-bars{margin-top:5px;}
.rs-bar{height:5px;background:#EEF1F4;border-radius:4px;overflow:hidden;margin:3px 0;}
.rs-bar > i{display:block;height:100%;background:linear-gradient(90deg,var(--eng-blue),#5B92BF);border-radius:4px;}
.rs-vlab{font-size:10.5px;color:var(--muted-2);letter-spacing:1px;margin-top:3px;}

.rs-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:12px;}
.rs-block h3{margin:0 0 9px;font-size:13.5px;font-weight:700;color:var(--deep-gray);}
.rs-list{list-style:none;margin:0;padding:0;}
.rs-list li{font-size:13px;line-height:1.7;padding:3px 0 3px 22px;position:relative;color:#3A4550;}
.rs-list li::before{position:absolute;left:4px;font-weight:700;}
.rs-list li.good::before{content:"✓";color:var(--ok);}
.rs-list li.bad::before{content:"✕";color:var(--danger);}
.rs-list li:not(.good):not(.bad)::before{content:"•";color:var(--eng-blue);}

.rs-note{background:var(--gold-soft);border:1px solid #EADFC6;border-radius:var(--radius-sm);
  padding:12px 14px;font-size:12.8px;color:#7A5F27;line-height:1.75;margin-bottom:12px;}
.rs-note b{color:var(--gold-strong);}
.rs-note.bad{background:#FDF2F2;border-color:#F5D5D5;color:#8C3B38;}
.rs-note.bad b{color:var(--danger);}
.rs-note.warn{background:#FFF8EC;border-color:#F3E1C0;color:#8A6218;}
.rs-note.ok{background:var(--ok-bg);border-color:#B7E4CF;color:#1B7A55;margin-bottom:0;}
.rs-note.ok b{color:var(--ok);}

.rs-apply{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding-top:14px;
  border-top:1px dashed var(--line);}
.rs-apply-hint{font-size:12px;color:var(--muted);flex:1;min-width:180px;line-height:1.6;}

/* 对照表 */
.rs-sec{margin-top:26px;}
.rs-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.rs-table{width:100%;border-collapse:collapse;font-size:12.5px;min-width:560px;}
.rs-table th,.rs-table td{border:1px solid var(--line);padding:8px 8px;text-align:center;}
.rs-table th{background:var(--eng-blue-50);color:var(--eng-blue-dark);font-weight:700;font-size:12.5px;}
.rs-table td.l,.rs-table th.l{text-align:left;font-weight:600;background:#F8FAFB;color:#33404E;white-space:nowrap;}
.rs-table tbody tr:hover td{background:#FAFCFE;}
.rs-table tbody tr:hover td.l{background:#F1F5F9;}
.rs-fine{font-size:11.5px;color:var(--muted-2);margin:10px 0 0;line-height:1.7;}

/* 注意事项 */
.rs-tips{margin:0;padding:0;list-style:none;}
.rs-tips li{font-size:12.8px;line-height:1.85;color:#3A4550;padding:5px 0 5px 20px;position:relative;}
.rs-tips li::before{content:"";position:absolute;left:5px;top:13px;width:5px;height:5px;border-radius:50%;background:var(--eng-blue);}
.rs-tips b{color:var(--deep-gray);}

/* 响应式 */
@media (max-width:900px){
  .rs-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .rs-row2{grid-template-columns:1fr;}
  .rs-top-name{font-size:20px;}
  .rs-top-type{padding-right:0;margin-top:26px;}
  .rs-top-score{top:14px;right:14px;}
  .rs-verdicts{grid-template-columns:1fr 1fr;}
  .rs-panel{padding:15px 15px 17px;}
  .rs-actions .btn{flex:1 1 45%;}
}
@media print{
  .topbar,.rs-presets,.rs-field,.rs-actions,.rs-apply,.section-title,footer,.foot-note{display:none!important;}
  body{background:#fff;}
  .rs-grid{grid-template-columns:1fr;}
  .rs-panel{border:none;box-shadow:none;padding:0;}
}

/* ---------- 一键出图（工程图 PDF 预览弹窗） ---------- */
#dwgMask{position:fixed;inset:0;background:rgba(20,24,29,.62);z-index:9999;display:flex;align-items:center;justify-content:center;padding:16px;}
.dwg-panel{background:#fff;border-radius:12px;width:min(960px,96vw);height:min(86vh,760px);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.35);}
.dwg-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid #e5e8ec;background:#f7f9fb;}
.dwg-title{font-weight:600;color:#2A2E33;}
.dwg-actions{display:flex;align-items:center;gap:10px;}
.dwg-dl{font-size:13px;color:#fff;background:#2f6fb3;border-radius:6px;padding:6px 12px;text-decoration:none;}
.dwg-dl[hidden]{display:none;}
.dwg-close{border:none;background:transparent;font-size:22px;line-height:1;color:#666;cursor:pointer;padding:2px 6px;}
#dwgFrame{flex:1;border:none;width:100%;}
.dwg-view{flex:1;overflow:auto;background:#eceff3;display:flex;align-items:flex-start;justify-content:center;padding:12px;}
.dwg-view img{max-width:100%;height:auto;box-shadow:0 2px 10px rgba(0,0,0,.18);background:#fff;}
.dwg-tip{padding:10px 14px;font-size:13px;color:#b3541e;background:#fdf6ef;border-top:1px solid #f0e3d3;}
.dwg-btn{margin-left:8px;}

/* ---------- 激活锁（正规整页布局：页眉品牌 + 居中卡片 + 页脚） ---------- */
#lockMask{position:fixed;inset:0;z-index:10000;display:flex;flex-direction:column;background:radial-gradient(120% 120% at 50% 0%,#2f3741 0%,#1c2025 60%,#14171b 100%);}
.lock-topbar{flex:0 0 auto;padding:18px 26px;display:flex;align-items:center;}
.lock-brand{cursor:pointer;user-select:none;}
.lock-brand .lock-brand-name{display:block;font-size:16px;font-weight:700;letter-spacing:2px;color:#fff;}
.lock-brand .lock-brand-sub{display:block;font-size:11px;font-weight:400;color:#8fa6bd;letter-spacing:1px;margin-top:2px;}
.lock-center{flex:1 1 auto;display:flex;align-items:center;justify-content:center;padding:20px;min-height:0;}
.lock-box{width:min(420px,92vw);background:#fff;border-radius:16px;padding:34px 30px 26px;box-shadow:0 24px 70px rgba(0,0,0,.5);text-align:center;}
.lock-title{font-size:21px;font-weight:700;color:#2A2E33;margin-bottom:4px;}
.lock-sub{font-size:13px;color:#6b7480;margin-bottom:18px;}
.lock-input{width:100%;box-sizing:border-box;padding:13px 14px;font-size:16px;text-align:center;letter-spacing:1px;border:1.5px solid #cfd6dd;border-radius:10px;outline:none;color:#2A2E33;}
.lock-input:focus{border-color:#2f6fb3;}
.lock-btn{margin-top:14px;width:100%;padding:12px;font-size:16px;font-weight:600;color:#fff;background:#2f6fb3;border:none;border-radius:10px;cursor:pointer;letter-spacing:4px;}
.lock-foot{flex:0 0 auto;text-align:center;padding:14px;font-size:12px;color:#7d8894;}
.lock-foot a{color:#8fa6bd;text-decoration:none;}
.lock-foot a:hover{text-decoration:underline;}
.lock-btn:hover{background:#28619c;}
.lock-err{margin-top:12px;font-size:13px;color:#c0392b;min-height:1em;}
.lock-tip{margin-top:14px;font-size:12px;color:#9aa3ad;line-height:1.6;}