*{margin:0;padding:0;box-sizing:border-box;outline:none;}

body.day{background:#f5f5f5;color:#222;}
body.night{background:#2a2f3a;color:#e8e8e8;}
body.day .container{background:#ffffff;box-shadow:0 4px 16px rgba(0,0,0,0.08);}
body.night .container{background:#3a4050;box-shadow:0 4px 16px rgba(0,0,0,0.3);}
body.night .business{background:#454c5e;}
body.night .business-text p{color:#d0d0d0;}
body.night .link-text{background:#4a6a8a;color:#a8d0ff;}
body.night .copy-btn{background:#4a5268;color:#a8d0ff;border-color:#5a6a8a;}
body.night .edit-btn{background:#4a5268;color:#a8d0ff;border-color:#5a6a8a;}
body.night .bottom-tip{color:#bbb;}
body.night .copyright{color:#999;}
body.night .switch-btn{border-color:#5a7aaa;}
body.night .switch-btn:not(.active){background:#4a5268;color:#a8d0ff;}
body.night h1{color:#5aa0ff;}
body.night h3 a{color:#5aa0ff;}
body.night .fold-summary{color:#e6e6e6;}
body.night .modal-content{background:#3a4050;color:#e8e8e8;}
body.night .edit-input,body.night .edit-textarea{background:#2a2f3a;color:#e8e8e8;border-color:#5a6a8a;}

.ripple{
  position:fixed;
  top:23px;
  right:24px;
  width:40px;
  height:40px;
  border-radius:50%;
  z-index:9998;
  pointer-events:none;
  transform:scale(0);
  animation:rippleEffect .55s ease forwards;
}
body.night .ripple{background:#ffffff;}
body.day .ripple{background:#2a2f3a;}

@keyframes rippleEffect{
  0%{transform:scale(0);opacity:.9;}
  60%{transform:scale(28);opacity:.5;}
  100%{transform:scale(45);opacity:0;}
}

.top-bar{
  position:fixed;
  top:12px;
  right:16px;
  display:flex;
  align-items:center;
  gap:10px;
  z-index:9999;
}
#toggleBtn{
  background:transparent;
  border:none;
  cursor:pointer;
  padding:6px;
  border-radius:50%;
  width:34px;
  height:34px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .25s ease, transform .25s ease;
  outline:none;
}
#toggleBtn:hover{background:rgba(0,119,221,0.12);}
#toggleBtn:active{transform:scale(0.92);}
.theme-icon{
  font-size:16px;
  line-height:1;
  display:inline-block;
  transition:transform .45s ease, opacity .3s ease;
}
#toggleBtn:hover .theme-icon{transform:rotate(180deg);}
.date-text{
  font-size:14px;
  font-weight:bold;
  white-space:nowrap;
  background:rgba(255,255,255,0.75);
  padding:5px 11px;
  border-radius:999px;
  transition:background .3s ease, color .3s ease;
}
body.night .date-text{
  background:rgba(255,255,255,0.14);
  color:#e6e6e6;
}

body{
  font-family:system-ui, sans-serif;
  padding:40px 20px;
  transition:background .3s,color .3s;
}
.container{
  margin:0 auto;
  padding:36px 24px;
  border-radius:20px;
  text-align:center;
  max-width:520px;
  transition:background .3s;
}
.container.desktop-view{max-width:960px;}
h1{
  font-size:38px;
  color:#0077dd;
  margin-bottom:12px;
  font-weight:bold;
}
h3{
  font-size:28px;
  margin-bottom:28px;
}
h3 a{
  color:#0077dd;
  text-decoration:none;
}
.business{
  background:#f0f7ff;
  padding:18px 16px;
  border-radius:12px;
  margin:0 auto 30px;
  transition:background .3s;
}
.business strong{
  color:#c82423;
  font-size:19px;
}

.fold-wrap{
  text-align:left;
  margin:14px 0;
}
details.fold-item{
  margin:12px 0;
}
.fold-item summary.fold-summary{
  list-style:none;
  cursor:pointer;
  font-size:17px;
  padding-left:28px;
  position:relative;
  color:#222;
  font-weight:500;
  line-height:1.5;
}
.fold-item summary.fold-summary::-webkit-details-marker{display:none;}

.fold-item summary.fold-summary::before{
  content:"▶";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  font-size:14px;
  font-weight:bold;
  color:#0077dd;
  transition:transform 0.22s ease;
}
.fold-item[open] summary.fold-summary::before{
  content:"▼";
}

.fold-content{
  padding:10px 0 4px 28px;
}

.link-row{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin:8px 0;
}
.link-text{
  flex:1;
  word-break:break-all;
  color:#0077dd;
  user-select:text;
  cursor:pointer;
  text-decoration:underline;
  background:#e1f0ff;
  padding:6px 12px;
  border-radius:999px;
  position:relative;
  overflow:hidden;
  z-index:1;
  outline:none !important;
  transition: background .22s ease, color .22s ease, transform .22s ease;
  will-change: transform, background-color;
}
.link-text:focus{outline:none;}
.link-text.clicked{
  background:#ff3333 !important;
  color:#ffffff !important;
  transform:scale(0.96);
}
body.night .link-text.clicked{
  background:#ff3333 !important;
  color:#ffffff !important;
}
.link-text::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:12px;
  height:12px;
  border-radius:50%;
  background:rgba(255,255,255,0.45);
  transform:translate(-50%,-50%) scale(0);
  pointer-events:none;
  will-change: transform,opacity;
}
.link-text.clicked::after{
  animation:pillRipple 0.42s ease-out forwards;
}
@keyframes pillRipple{
  0%{transform:translate(-50%,-50%) scale(0);opacity:0.8;}
  100%{transform:translate(-50%,-50%) scale(16);opacity:0;}
}
.copy-btn,
.edit-btn{
  padding:4px 10px;
  font-size:14px;
  border:1px solid #0077dd;
  border-radius:6px;
  background:#fff;
  color:#0077dd;
  cursor:pointer;
  white-space:nowrap;
  outline:none;
}
.copy-btn:active,
.edit-btn:active{
  background:#0077dd;
  color:#fff;
}

.link-note{
  width:100%;
  font-size:14px;
  color:#555;
  background:#f7fbff;
  border:1px dashed #b9dcff;
  border-radius:10px;
  padding:8px 10px;
  margin-top:6px;
  line-height:1.6;
}
body.night .link-note{
  background:#343a48;
  color:#cfd6e4;
  border-color:#5a6a8a;
}

/*倒计时悬浮提示框 */
.countdown-tip{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:9997;
  background:#0077dd;
  color:#ffffff;
  padding:8px 12px;
  border-radius:999px;
  font-size:14px;
  box-shadow:0 3px 12px rgba(0,0,0,0.18);
  display:none;
  gap:8px;
  align-items:center;
}
.count-pause-btn{
  border:1px solid #fff;
  background:transparent;
  color:#fff;
  border-radius:6px;
  padding:2px 7px;
  font-size:12px;
  cursor:pointer;
}
body.night .countdown-tip{
  background:#1f4b82;
}

.switch-bar{
  margin-top:30px;
  padding-top:24px;
  border-top:1px solid #eaeaea;
  display:flex;
  justify-content:center;
  gap:12px;
}
.switch-btn{
  flex:1;
  max-width:180px;
  padding:12px 10px;
  border-radius:10px;
  text-decoration:none;
  font-size:17px;
  font-weight:bold;
  border:1px solid #0077dd;
  outline:none;
}
.switch-btn.active{
  background:#0077dd;
  color:#fff;
}
.switch-btn:not(.active){
  background:#fff;
  color:#0077dd;
}
.business-row{
  display:flex;
  gap:20px;
  align-items:center;
  justify-content:space-between;
  text-align:left;
}
.business-img{
  width:110px;
  height:110px;
  border-radius:12px;
  object-fit:cover;
  flex-shrink:0;
  cursor:zoom-in;
}
.business-text{
  flex:1;
  min-width:0;
}
.business-text strong{
  display:block;
  color:#c82423;
  font-size:19px;
  margin-bottom:6px;
}
.business-text p{
  font-size:16px;
  color:#222;
  line-height:1.7;
  margin:0;
}
.bottom-img-wrap{
  margin-top:30px;
  padding-top:20px;
  border-top:1px solid #eaeaea;
  display:flex;
  gap:16px;
  justify-content:center;
}
.bottom-img-wrap img{
  width:45%;
  max-width:320px;
  border-radius:12px;
  object-fit:cover;
  cursor:zoom-in;
}
.bottom-tip{
  margin-top:12px;
  font-size:14px;
  color:#444;
  text-align:center;
  line-height:1.6;
}
.copyright{
  margin-top:20px;
  font-size:14px;
  color:#666;
  text-align:center;
}
@media (max-width: 480px){
  .business-row{
    flex-direction:column;
    text-align:center;
  }
  .business-img{width:90px;height:90px;}
  .bottom-img-wrap{flex-direction:column;align-items:center;}
  .bottom-img-wrap img{width:90%;}
  .date-text{font-size:13px;}
}
.modal{
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.9);
  z-index:9999;
  justify-content:center;
  align-items:center;
}
.modal-img{
  max-width:90%;
  max-height:90vh;
}
.modal-close{
  position:absolute;
  top:20px;
  right:35px;
  color:#fff;
  font-size:40px;
  cursor:pointer;
}

.edit-modal{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.55);
  z-index:10000;
  justify-content:center;
  align-items:center;
  padding:20px;
}
.edit-modal.show{
  display:flex;
}
.modal-content{
  background:#fff;
  border-radius:16px;
  width:100%;
  max-width:420px;
  padding:24px;
  box-shadow:0 10px 30px rgba(0,0,0,0.2);
}
.modal-content h4{
  margin-bottom:14px;
  font-size:18px;
  color:#0077dd;
}
.edit-label{
  display:block;
  margin:10px 0 6px;
  font-size:14px;
  color:#444;
  font-weight:600;
}
.edit-input,
.edit-textarea{
  width:100%;
  padding:10px 12px;
  border:1px solid #bcd6f0;
  border-radius:10px;
  font-size:15px;
  font-family:inherit;
  background:#fafcff;
  color:#222;
  box-sizing:border-box;
}
.edit-textarea{
  min-height:90px;
  resize:vertical;
}
.edit-buttons{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.edit-buttons button{
  flex:1;
  padding:10px;
  border-radius:10px;
  border:none;
  cursor:pointer;
  font-size:15px;
  font-weight:bold;
}
.btn-cancel{
  background:#eef2f7;
  color:#444;
}
.btn-save{
  background:#0077dd;
  color:#fff;
}