/* kb-gate.css — 知识树注册解锁层（2026-10-28） */
.kb-gate-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:9000;
  background:rgba(14,16,20,.96);color:#fff;
  padding:11px 16px;display:flex;align-items:center;gap:14px;justify-content:center;
  font-size:13.5px;line-height:1.5;backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.1);flex-wrap:wrap;
  transform:translateY(0);transition:transform .28s ease;
}
.kb-gate-bar.hide{transform:translateY(110%)}
.kb-gate-bar b{color:#FFB27A}
.kb-gate-bar .kb-btn{
  background:#F2611C;color:#fff;border:0;border-radius:8px;
  padding:8px 16px;font-size:13.5px;font-weight:700;cursor:pointer;
  font-family:inherit;white-space:nowrap;
}
.kb-gate-bar .kb-btn:hover{background:#D9531A}
.kb-gate-bar .kb-link{
  color:rgba(255,255,255,.62);font-size:12.5px;text-decoration:none;cursor:pointer;
  border-bottom:1px dashed rgba(255,255,255,.32);
}
.kb-gate-bar .kb-user{color:rgba(255,255,255,.9)}
.kb-gate-bar .kb-user i{font-style:normal;color:#FFB27A;font-weight:700}

.lock-slot{
  margin:14px 0 4px;padding:20px 18px;border:1px dashed #E3D9CE;border-radius:12px;
  background:linear-gradient(180deg,#FFFDFA,#FAF6F0);text-align:center;
}
.lock-slot .lk-ico{font-size:19px;line-height:1;margin-bottom:7px;opacity:.7}
.lock-slot .lk-t{font-size:13.5px;color:#8A7A66;font-weight:700;margin-bottom:3px}
.lock-slot .lk-s{font-size:12.5px;color:#B0A392;margin-bottom:12px}
.lock-slot .kb-btn{
  background:#fff;border:1.5px solid #F2611C;color:#E2540F;border-radius:8px;
  padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;
}
.lock-slot .kb-btn:hover{background:#F2611C;color:#fff}
.lock-slot.loading{opacity:.55}

.kb-modal-mask{
  position:fixed;inset:0;background:rgba(12,14,18,.62);z-index:9500;
  display:none;align-items:flex-start;justify-content:center;padding:18px;
  overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  backdrop-filter:blur(3px);
}
.kb-modal-mask.on{display:flex}
.kb-modal{
  background:#fff;border-radius:16px;width:100%;max-width:400px;
  padding:26px 24px 22px;box-shadow:0 24px 70px rgba(0,0,0,.3);
  font-family:inherit;position:relative;animation:kbPop .22s ease;
  margin:auto;   /* 弹窗比屏幕高时可滚动而不是被裁掉（配合遮罩 overflow-y:auto） */
}
@keyframes kbPop{from{transform:translateY(12px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.kb-modal h3{margin:0 0 6px;font-size:19px;color:#16181C;letter-spacing:-.3px;text-align:center}
.kb-modal .sub{font-size:13px;color:#7B8089;line-height:1.75;margin-bottom:18px;text-align:center}
.kb-modal .sub b{color:#E85A1B;font-weight:700}
.kb-modal label{display:block;font-size:12.5px;font-weight:700;color:#4A4F57;margin:13px 0 6px}
.kb-modal input,.kb-modal select{
  width:100%;box-sizing:border-box;padding:11px 12px;font-size:14.5px;
  border:1.5px solid #E2E5EA;border-radius:9px;font-family:inherit;color:#16181C;
  background:#fff;outline:none;transition:.16s;
}
.kb-modal input:focus,.kb-modal select:focus{border-color:#F2611C;box-shadow:0 0 0 3px rgba(242,97,28,.12)}
.kb-modal .kb-submit{
  width:100%;margin-top:20px;background:#F2611C;color:#fff;border:0;border-radius:10px;
  padding:13px;font-size:15px;font-weight:800;cursor:pointer;font-family:inherit;
  transition:.16s;
}
.kb-modal .kb-submit:hover{background:#D9531A}
.kb-modal .kb-submit:disabled{opacity:.6;cursor:default}
.kb-modal .kb-priv{font-size:11.5px;color:#9AA0A8;line-height:1.6;margin-top:12px}
.kb-modal .kb-close{
  position:absolute;top:14px;right:14px;width:28px;height:28px;border:0;background:#F4F5F7;
  border-radius:50%;cursor:pointer;color:#6B7079;font-size:16px;line-height:1;font-family:inherit;
}
.kb-modal .kb-err{
  display:none;margin-top:12px;padding:9px 11px;background:#FFF1EE;color:#C4321A;
  border-radius:8px;font-size:12.5px;line-height:1.5;
}
.kb-modal .kb-err.on{display:block}
/* 手机号核对提示：位数不足/开头不对就红字，满 11 位按 3-4-4 分组显示一遍 */
.kb-modal .kb-ehint{display:none}
.kb-modal .kb-ehint.on{display:block;margin:6px 0 0;font-size:12px;color:#6B7079;letter-spacing:.02em}
.kb-modal .kb-ehint.on.bad{color:#C4321A;font-weight:700}
/* 解锁彩蛋：登录/解锁成功时弹一次，1 秒后自动淡化消失，不拦交互 */
.kb-egg{position:fixed;inset:0;z-index:9800;display:flex;align-items:center;justify-content:center;
  pointer-events:none;opacity:1;transition:opacity .5s ease;background:rgba(10,12,16,.42);
  backdrop-filter:blur(2px)}
.kb-egg.hide{opacity:0}
.kb-egg-box{width:280px;max-width:86vw;padding:26px 20px 22px;border-radius:18px;background:#fff;
  box-shadow:0 24px 70px rgba(0,0,0,.3);text-align:center;animation:kbEggPop .32s cubic-bezier(.2,.9,.3,1.2)}
@keyframes kbEggPop{from{transform:scale(.72);opacity:0}to{transform:scale(1);opacity:1}}
.kb-egg-canvas{position:relative;width:148px;height:148px;margin:0 auto 13px}
.kb-egg-canvas .halo{position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#ffe6a3,#ffb03a 46%,#f2611c 80%);
  box-shadow:0 16px 44px rgba(242,97,28,.38)}
.kb-egg-canvas .ico{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:62px;line-height:1;filter:drop-shadow(0 6px 14px rgba(0,0,0,.22))}
.kb-egg-canvas i{position:absolute;width:9px;height:9px;border-radius:2px;opacity:.95;
  animation:kbEggFloat 1.4s ease-in-out infinite}
.kb-egg-canvas i:nth-of-type(1){left:2%;top:22%;background:#ff6b3d}
.kb-egg-canvas i:nth-of-type(2){right:0;top:16%;background:#ffc93c;animation-delay:.2s}
.kb-egg-canvas i:nth-of-type(3){left:6%;bottom:18%;background:#4cc19b;animation-delay:.4s}
.kb-egg-canvas i:nth-of-type(4){right:4%;bottom:24%;background:#5b8def;animation-delay:.6s}
@keyframes kbEggFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.kb-egg-t{font-size:21px;font-weight:800;color:#16181C;letter-spacing:.02em}

/* 密码提醒（红色，注册环节唯一强提醒） */
.kb-modal .kb-warn{
  margin:8px 0 0;padding:8px 10px;border-radius:6px;
  background:#FFF3F0;border-left:3px solid #E8442A;
  font-size:11.5px;line-height:1.7;color:#B3311C;
}
.kb-modal .kb-warn b{color:#C4321A;font-weight:800}
/* --- 注册 / 登录 双 tab --- */
.kb-modal .kb-tabs{display:flex;gap:8px;margin:0 0 4px;border-bottom:1px solid #EDEFF2}
.kb-modal .kb-tab{
  flex:1;background:none;border:0;border-bottom:2.5px solid transparent;padding:9px 4px;
  font-size:13.5px;font-weight:700;color:#9AA0A8;cursor:pointer;font-family:inherit;
  transition:.16s;margin-bottom:-1px;
}
.kb-modal .kb-tab:hover{color:#5A6068}
.kb-modal .kb-tab.on{color:#E85A1B;border-bottom-color:#F2611C}
.kb-modal .kb-pane.hide{display:none}
.kb-modal .kb-pwd{position:relative}
.kb-modal .kb-pwd input{padding-right:56px}
.kb-modal .kb-eye{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:none;border:0;color:#8A9099;font-size:12.5px;font-weight:700;
  cursor:pointer;font-family:inherit;padding:6px 8px;border-radius:6px;
}
.kb-modal .kb-eye:hover{color:#E85A1B;background:#FFF3EC}
.kb-modal .kb-forgot{
  display:block;margin-top:14px;font-size:12.5px;color:#8A9099;text-align:center;
  text-decoration:none;
}
.kb-modal .kb-forgot:hover{color:#E85A1B;text-decoration:underline}
@media (max-width:640px){
  .kb-gate-bar{padding:9px 12px;font-size:12.5px;gap:9px}
  .kb-gate-bar .kb-txt-sm{display:none}
  .kb-gate-bar .kb-user i{max-width:8em;display:inline-block;overflow:hidden;text-overflow:ellipsis;vertical-align:bottom;white-space:nowrap}
  .kb-gate-bar .kb-link{white-space:nowrap}
  .kb-modal{padding:22px 18px 18px}
}

/* ---------- 第二步：领 5 张表 ---------- */
.kb-modal{max-height:92vh;overflow-y:auto;-webkit-overflow-scrolling:touch}
.kb-modal .gift-ok{
  display:inline-block;margin:0 0 12px;padding:4px 11px;border-radius:20px;
  background:#EAF7EF;color:#1E8A4C;font-size:12px;font-weight:700;
}
.kb-modal .gift-list{
  list-style:none;margin:2px 0 14px;padding:0;
  border-top:1px solid #F0F1F3;
}
.kb-modal .gift-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  padding:8px 2px;border-bottom:1px dashed #F0F1F3;font-size:13px;
}
.kb-modal .gift-list li b{color:#16181C;font-weight:700;flex:0 0 auto}
.kb-modal .gift-list li span{color:#9AA0A8;font-size:11.5px;text-align:right;line-height:1.4}
.kb-modal .gift-qr-wrap{text-align:center;margin:4px 0 12px}
.kb-modal .gift-qr-box{
  width:148px;height:148px;margin:0 auto 8px;padding:6px;box-sizing:content-box;
  border:1.5px solid #F2E6DC;border-radius:12px;background:#fff;
  box-shadow:0 6px 18px rgba(226,84,15,.08);
}
.kb-modal .gift-qr-box.noqr{display:none}
.kb-modal .gift-qr{width:148px;height:148px;display:block;object-fit:contain;border-radius:6px}
.kb-modal .gift-qr-tip{font-size:12px;color:#8A9099;line-height:1.65;margin:0}
.kb-modal .gift-copy{
  display:block;width:100%;margin-top:4px;padding:9px;border-radius:9px;
  border:1.5px dashed #F2611C;background:#FFF7F2;color:#D9531A;
  font-size:13px;font-weight:700;font-family:inherit;cursor:pointer;transition:.16s;
}
.kb-modal .gift-copy:hover{background:#FFF1E8}
.kb-modal .gift-copy.done{border-style:solid;border-color:#1E8A4C;background:#EAF7EF;color:#1E8A4C;cursor:default}
.kb-modal .gift-note{
  font-size:12px;color:#7B8089;line-height:1.65;margin:12px 0 0;text-align:center;
  background:#FAFAFB;border-radius:8px;padding:9px 10px;
}
.kb-modal .kb-submit[data-act="later"]{
  margin-top:12px;background:#fff;color:#7B8089;border:1.5px solid #E2E5EA;
  font-size:13.5px;font-weight:700;padding:10px;
}
.kb-modal .kb-submit[data-act="later"]:hover{background:#F7F8F9;color:#5A6068;border-color:#D5D9DF}
@media (max-width:640px){
  .kb-modal .gift-qr-box{width:130px;height:130px}
  .kb-modal .gift-qr{width:130px;height:130px}
  .kb-modal .gift-list li{font-size:12.5px;padding:7px 2px}
}