:root{
  --primary:#2f6df6;
  --primary-d:#2456cc;
  --bg:#eef1f8;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#eef1f6;
  --ok:#0a9d63;
  --err:#e0564f;
  --radius:16px;
  --shadow:0 6px 22px rgba(23,43,77,.07);
  --shadow-sm:0 2px 10px rgba(23,43,77,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  color:var(--text);font-size:15px;line-height:1.55;
  background:#eef1f8;
  background:linear-gradient(180deg,#f6f8fd 0%,#eaeef7 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
.app{max-width:560px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative}

/* 顶部品牌条（渐变 hero + 圆角底 + 装饰光斑）*/
.topbar{
  position:sticky;top:0;z-index:10;
  color:#fff;padding:18px 20px;
  padding-top:calc(18px + env(safe-area-inset-top));
  display:flex;align-items:center;gap:11px;overflow:hidden;
  border-radius:0 0 22px 22px;
  background:var(--primary);
  background:linear-gradient(135deg,var(--primary) 0%,color-mix(in srgb,var(--primary) 62%,#15246e) 100%);
  box-shadow:0 8px 24px rgba(47,109,246,.28);
}
.topbar::after{
  content:"";position:absolute;right:-40px;top:-60px;width:160px;height:160px;border-radius:50%;
  background:rgba(255,255,255,.13);pointer-events:none;
}
.topbar img{height:28px;position:relative}
.topbar .name{font-size:18px;font-weight:700;letter-spacing:.3px;position:relative}

/* 内容区 */
.content{flex:1;padding:18px 14px 96px;overflow-y:auto}
.page{display:none}
.page.active{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 17px;margin-bottom:15px;border:1px solid rgba(23,43,77,.04)}
.card h2{margin:0 0 5px;font-size:19px;font-weight:700;letter-spacing:.2px}
.card .sub{color:var(--muted);font-size:13px;margin:0 0 16px;line-height:1.6}

/* 表单 */
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;color:#4b5563;font-weight:500;margin-bottom:7px}
.field label .req{color:var(--err)}
input[type=text],input[type=email],input[type=number],input[type=file],select{
  width:100%;padding:13px 14px;border:1.5px solid #e3e8f1;border-radius:12px;font-size:15px;background:#f7f9fd;color:var(--text);
  appearance:none;outline:none;transition:border-color .16s,box-shadow .16s,background .16s;
}
input::placeholder{color:#aab2c2}
input:focus,select:focus{border-color:var(--primary);background-color:#fff;box-shadow:0 0 0 3.5px color-mix(in srgb,var(--primary) 16%,transparent)}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23889' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:34px}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.err-text{font-size:12px;color:var(--err);margin-top:6px;min-height:14px}

/* 申请产品（只读，由入口 URL 决定）*/
.prodname{padding:13px 14px;border-radius:12px;background:color-mix(in srgb,var(--primary) 7%,#fff);border:1.5px solid color-mix(in srgb,var(--primary) 22%,#fff);color:var(--primary);font-size:16px;font-weight:600}
.prodname.prodname-err{background:#fdecec;border-color:#f6c8c5;color:var(--err);font-size:14px;font-weight:500}

/* 功能多选 */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.feat{display:flex;align-items:center;gap:9px;padding:11px 12px;border:1.5px solid #e6eaf2;border-radius:12px;background:#f7f9fd;font-size:14px;cursor:pointer;transition:border-color .15s,background .15s,transform .1s}
.feat:active{transform:scale(.98)}
.feat input{width:18px;height:18px;accent-color:var(--primary);flex-shrink:0}
.feat.locked{opacity:.65}
.feat.on{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,#fff);font-weight:500}
.switch-all{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border:1.5px dashed var(--primary);border-radius:12px;background:color-mix(in srgb,var(--primary) 6%,#fff);margin-bottom:11px;font-size:14px;font-weight:500;color:#33507f}

/* 按钮 */
.btn{display:block;width:100%;padding:14px;border:none;border-radius:13px;color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:transform .1s,box-shadow .15s,filter .15s;
  background:var(--primary);
  background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--primary) 80%,#1430a0));
  box-shadow:0 6px 16px color-mix(in srgb,var(--primary) 32%,transparent);
}
.btn:active{transform:translateY(1px);filter:brightness(.96)}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:#eef2fb;color:var(--primary);box-shadow:none}
.btn.sm{padding:10px 14px;font-size:14px;width:auto}

/* 信息卡片 */
.kv{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv:last-child{border-bottom:none}
.kv .k{color:var(--muted);flex-shrink:0}
.kv .v{text-align:right;word-break:break-all;font-weight:600}
/* cc-class 授权码回执框 */
.codebox{margin-top:14px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#f7f9fc}
.codebox-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.codebox-head .k{color:var(--muted);font-size:13px;font-weight:600}
.codebox-val{width:100%;box-sizing:border-box;resize:vertical;border:1px solid var(--line);border-radius:8px;padding:10px;font-family:Consolas,Menlo,monospace;font-size:13px;color:#1a1a1a;background:#fff;word-break:break-all}
.badge{display:inline-block;padding:3px 11px;border-radius:20px;font-size:12px;font-weight:600}
.badge.ok{background:#e7f7ef;color:var(--ok)}
.badge.warn{background:#fff4e5;color:#b9770e}
.badge.err{background:#fdecec;color:var(--err)}
.chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.chip{background:#eef2fb;color:#33507f;border-radius:8px;padding:4px 9px;font-size:12px;font-weight:500}

/* 证书 */
.cert{text-align:center;padding:26px 16px 20px}
.cert .seal{width:84px;height:84px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:40px;font-weight:700;color:#fff;position:relative}
.cert .seal.ok{background:linear-gradient(135deg,#16b877,#0a9d63);box-shadow:0 8px 22px rgba(10,157,99,.32)}
.cert .seal.err{background:linear-gradient(135deg,#f0726b,#d93838);box-shadow:0 8px 22px rgba(217,56,56,.3)}
.cert .seal::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid currentColor;opacity:.18}
.cert h3{margin:0 0 3px;font-size:19px;font-weight:700}
.cert .fp{font-size:12px;color:var(--muted);word-break:break-all;margin-top:6px}

.service{background:color-mix(in srgb,var(--primary) 6%,#fff);border:1px solid color-mix(in srgb,var(--primary) 22%,#fff);border-radius:12px;padding:12px 14px;font-size:13px;color:#1e40af;margin-top:14px}

/* 正版授权证书（正式证书样式：烫金边框 + 印章 + 水印）*/
.cert-back{display:inline-flex;align-items:center;gap:5px;color:var(--primary);font-size:13px;cursor:pointer;background:none;border:none;padding:6px 2px 10px;font-weight:600}
.certificate{
  position:relative;overflow:hidden;border-radius:16px;padding:30px 22px 22px;margin-bottom:15px;
  background:radial-gradient(125% 80% at 50% 0%,#fffdf7 0%,#fbf6ea 58%,#f5edda 100%);
  border:2px solid #c9a86a;
  box-shadow:var(--shadow),inset 0 0 0 1px #ecdfbd;
}
.certificate::before{content:"";position:absolute;inset:9px;border:1.5px solid rgba(176,141,77,.45);border-radius:10px;pointer-events:none}
.certificate::after{content:"";position:absolute;left:-28%;top:-42%;width:78%;height:78%;background:radial-gradient(circle,rgba(255,255,255,.55),transparent 70%);pointer-events:none}
.cert-watermark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:1;pointer-events:none;font-size:62px;font-weight:800;color:rgba(176,141,77,.07);transform:rotate(-18deg);white-space:nowrap}
.cert-emblem{position:relative;z-index:2;width:64px;height:64px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:31px;font-weight:700;background:linear-gradient(135deg,#e6c47c,#b8893b);box-shadow:0 6px 16px rgba(150,110,40,.34)}
.cert-emblem::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid #c9a86a;opacity:.5}
.cert-title{position:relative;z-index:2;text-align:center;font-family:"Songti SC","Noto Serif SC","SimSun",serif;font-size:25px;font-weight:700;letter-spacing:9px;color:#1e2a4a;text-indent:9px}
.cert-subtitle{position:relative;z-index:2;text-align:center;font-size:10.5px;letter-spacing:3px;color:#b08d4d;margin:4px 0 4px}
.cert-product{position:relative;z-index:2;text-align:center;font-size:15px;color:#4b5563;font-weight:600;margin-bottom:13px}
.cert-divider{position:relative;z-index:2;height:1px;background:linear-gradient(90deg,transparent,#d8c08a,transparent);margin:0 0 12px}
.cert-body{position:relative;z-index:2}
.cert-row{display:flex;justify-content:space-between;gap:12px;padding:9px 2px;border-bottom:1px dashed rgba(176,141,77,.30);font-size:14px}
.cert-row:last-child{border-bottom:none}
.cert-row .k{color:#8a7a55;flex-shrink:0}
.cert-row .v{text-align:right;word-break:break-all;font-weight:600;color:#2a3656}
.cert-stamp{position:absolute;right:14px;bottom:18px;z-index:3;width:80px;height:80px;border-radius:50%;border:3px solid rgba(206,64,54,.48);color:rgba(198,52,44,.6);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;font-weight:800;line-height:1.25;transform:rotate(-15deg);box-shadow:inset 0 0 0 2px rgba(206,64,54,.2);background:radial-gradient(circle,rgba(206,64,54,.045),transparent 72%);pointer-events:none}
.cert-foot{position:relative;z-index:2;margin-top:15px;padding-bottom:6px;text-align:center;font-size:11px;color:#9c8a63;line-height:1.8}
.cert-foot .fp{word-break:break-all}

/* 自助注册「授权如何送达」说明 */
.notice{background:color-mix(in srgb,var(--primary) 5%,#fff);border:1px solid color-mix(in srgb,var(--primary) 18%,#fff);border-radius:12px;padding:13px 15px;margin-bottom:16px;font-size:12.5px;color:#33507f;line-height:1.7}
.notice b{color:#1e3a8a}
.notice ol{margin:7px 0 0;padding-left:18px}
.notice li{margin-bottom:3px}

/* 操作手册内嵌 iframe：占满内容区（顶栏+底部导航之间），手册页在内部滚动 */
.manual-frame{width:100%;height:calc(100vh - 170px);min-height:360px;border:none;border-radius:12px;background:#fff;box-shadow:var(--shadow-sm)}

/* 底部导航 */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;max-width:560px;margin:0 auto;
  background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);
  border-top:1px solid var(--line);display:flex;
  padding-bottom:env(safe-area-inset-bottom);z-index:20;
  box-shadow:0 -4px 20px rgba(23,43,77,.06);
}
.tab{flex:1;text-align:center;padding:11px 0 9px;color:#9aa3b2;cursor:pointer;font-size:11px;position:relative;transition:color .15s}
.tab .ico{font-size:22px;display:block;line-height:1.35;transition:transform .18s}
.tab.active{color:var(--primary);font-weight:600}
.tab.active .ico{transform:translateY(-1px) scale(1.1)}
.tab.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--primary)}

/* 回执 / 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:50;padding:24px;animation:fade .15s ease}
.modal{background:#fff;border-radius:18px;max-width:420px;width:100%;padding:24px 21px;animation:pop .22s cubic-bezier(.2,.9,.3,1.2)}
@keyframes pop{from{transform:scale(.92);opacity:0}to{transform:none;opacity:1}}
.modal h3{margin:0 0 14px;font-size:18px;font-weight:700}
.modal .actions{margin-top:20px;display:flex;gap:10px}
.toast{position:fixed;left:50%;top:16%;transform:translateX(-50%);background:rgba(20,30,50,.94);color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;z-index:80;max-width:82%;box-shadow:0 8px 24px rgba(0,0,0,.2);animation:pop .2s ease}
.hidden{display:none!important}
.spin{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:rot .7s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes rot{to{transform:rotate(360deg)}}
.linkbtn{background:none;border:none;color:var(--primary);font-size:13px;cursor:pointer;padding:0}
.muted{color:var(--muted);font-size:12px}