:root{
  --primary:#07C160;
  --primary-d:#05a350;
  --bg:#f2f3f5;
  --card:#fff;
  --text:#1f2329;
  --muted:#8a9099;
  --border:#ebedf0;
  --warn:#ff976a;
  --radius:14px;
  --shadow:0 1px 3px rgba(0,0,0,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Helvetica,"Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;
  padding-bottom:env(safe-area-inset-bottom);
}
button{font-family:inherit}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--border)}
.topbar-in{max-width:720px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 16px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#07C160,#05a350);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt strong{font-size:16px}
.brand-txt small{color:var(--muted);font-size:11px}
.lic-pill{background:#e8f8ee;color:var(--primary-d);border:1px solid #b9e8cd;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600}
.lic-pill.ok{background:#e8f8ee;color:var(--primary-d)}
.lic-pill.no{background:#fff4ec;color:var(--warn);border-color:#ffd8bf}

/* 容器 */
.container{max-width:720px;margin:0 auto;padding:14px 12px 40px}

/* 授权门禁 */
.gate{padding:18px 0}
.gate-card{background:var(--card);border-radius:var(--radius);padding:26px 20px;box-shadow:var(--shadow);text-align:center}
.gate-card h1{font-size:21px;margin:0 0 10px}
.gate-sub{color:var(--muted);font-size:14px;margin:0 0 22px}
.gate-note{color:var(--muted);font-size:12px;margin-top:16px;line-height:1.6}

/* 卡片 */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-weight:700;cursor:pointer;user-select:none}
.card-head .chev{color:var(--muted);transition:transform .2s;font-size:13px}
.card-head.collapsed .chev{transform:rotate(-90deg)}
.card-body{padding:4px 16px 16px;border-top:1px solid var(--border)}

/* 表单 */
.fld{display:block;margin:12px 0}
.fld>span{display:block;font-size:13px;color:#4a5059;margin-bottom:6px;font-weight:600}
.fld input,.fld textarea{
  width:100%;border:1px solid var(--border);border-radius:10px;padding:11px 12px;font-size:15px;
  background:#fafbfc;color:var(--text);outline:none;transition:border-color .15s;
}
.fld input:focus,.fld textarea:focus{border-color:var(--primary);background:#fff}
.fld textarea{resize:vertical;line-height:1.6}

/* 按钮 */
.btn{border:none;border-radius:10px;padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .05s}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:#f2f3f5;color:#4a5059}
.btn-block{display:block;width:100%;margin-top:10px}

/* 输出块 */
.out-block{margin-top:16px;border-top:1px dashed var(--border);padding-top:12px}
.out-block h3{font-size:14px;margin:0 0 8px;color:var(--primary-d)}
.out-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.out-actions .btn{flex:1;min-width:120px}
.md{white-space:pre-wrap;word-break:break-word;font-size:14px;line-height:1.8;background:#fafbfc;border:1px solid var(--border);border-radius:10px;padding:12px;max-height:320px;overflow:auto}

/* 选题列表 */
.topic-list{display:flex;flex-direction:column;gap:8px}
.topic-item{border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:#fafbfc;cursor:pointer;transition:border-color .15s,background .15s}
.topic-item:hover{border-color:var(--primary);background:#f0fbf4}
.topic-item b{display:block;font-size:14px;margin-bottom:2px}
.topic-item small{color:var(--muted);font-size:12px}

/* 步骤进度 */
.steps{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.step{font-size:12px;padding:5px 10px;border-radius:999px;background:#f2f3f5;color:var(--muted);border:1px solid transparent}
.step.active{background:#e8f8ee;color:var(--primary-d);border-color:#b9e8cd}
.step.done{background:var(--primary);color:#fff}

/* 授权信息 */
.lic-info{font-size:14px;line-height:1.9}
.lic-info .row{display:flex;justify-content:space-between}
.lic-info .k{color:var(--muted)}
.lic-info .v{font-weight:600}

/* 提示 */
.hint{color:var(--muted);font-size:12px;margin:10px 0 0;line-height:1.6}

/* 文章偏好折叠 */
.pref-box{border:1px solid var(--border);border-radius:10px;padding:0 12px;margin-top:12px;background:#fafbfc}
.pref-box summary{cursor:pointer;font-size:13px;font-weight:600;color:#4a5059;padding:10px 0;list-style:none;user-select:none}
.pref-box summary::-webkit-details-marker{display:none}
.pref-box summary:before{content:"▸ ";color:var(--muted)}
.pref-box[open] summary:before{content:"▾ "}
.pref-body{padding:2px 0 12px}
.switch-line{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:#4a5059;line-height:1.5;cursor:pointer}
.switch-line input{margin-top:3px;flex:0 0 auto}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center}
.modal[hidden],.toast[hidden]{display:none!important}/* 修复：CSS display:flex 会覆盖 HTML hidden 属性，必须显式兜底 */
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-panel{position:relative;width:100%;max-width:720px;background:#fff;border-radius:18px 18px 0 0;padding:20px 18px calc(20px + env(safe-area-inset-bottom));max-height:86vh;overflow:auto;animation:rise .22s ease}
@keyframes rise{from{transform:translateY(30px);opacity:.6}to{transform:none;opacity:1}}
.modal-x{position:absolute;right:14px;top:12px;background:none;border:none;font-size:24px;color:var(--muted);line-height:1}
.modal h2{font-size:18px;margin:0 0 14px}
.modal h3{font-size:14px;margin:16px 0 8px}

/* 套餐行 */
.plan{border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.plan .pn{font-weight:700;font-size:15px}
.plan .pp{color:var(--primary-d);font-weight:700;float:right}
.plan .pd{color:var(--muted);font-size:12px;margin-top:2px}
.plan .pact{margin-top:10px;display:flex;gap:8px}
.plan .pact .btn{flex:1;padding:9px 10px;font-size:14px}

/* 二维码区 */
.qr-box{text-align:center;padding:8px 0}
.qr-box img{max-width:200px;width:60%;border:1px solid var(--border);border-radius:10px;padding:8px;background:#fff}
.qr-amount{font-size:22px;font-weight:800;color:var(--primary-d);margin:8px 0}
.qr-tip{color:var(--muted);font-size:13px}
.qr-wait{margin-top:12px;font-size:13px;color:var(--muted)}

/* 输入框（弹层内） */
.modal input[type=text]{width:100%;border:1px solid var(--border);border-radius:10px;padding:11px 12px;font-size:15px;margin-top:6px;outline:none}
.modal input[type=text]:focus{border-color:var(--primary)}

/* Toast */
.toast{position:fixed;left:50%;bottom:80px;transform:translateX(-50%);background:rgba(0,0,0,.82);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;z-index:80;max-width:80%;text-align:center;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* 桌面端稍加宽 */
@media(min-width:768px){
  .container{padding-top:24px}
  .modal{align-items:center}
  .modal-panel{border-radius:18px}
}

/* IP 白名单引导弹层 */
.ip-guide h2{color:var(--text)}
.ip-guide .ig-desc{font-size:14px;color:#4a5059;line-height:1.7;margin:0 0 14px}
.ip-guide .ig-desc b{color:var(--warn)}
.ip-guide .ig-steps{margin:0 0 14px;padding-left:20px;font-size:14px;color:#4a5059;line-height:1.9}
.ip-guide .ig-steps a{color:var(--primary-d);font-weight:600}
.ip-guide .ig-ip{display:flex;align-items:stretch;gap:8px;margin:6px 0 14px}
.ip-guide .ig-ip code{flex:1;display:flex;align-items:center;justify-content:center;background:#0b1f17;color:#07C160;font-size:17px;font-weight:700;letter-spacing:1px;border-radius:10px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.ip-guide .ig-ip .btn{flex:0 0 auto;padding:0 16px}
.ip-guide .ig-note{font-size:12px;color:var(--warn);line-height:1.7;background:#fff4ec;border:1px solid #ffd8bf;border-radius:10px;padding:10px 12px;margin:0 0 6px}

/* 发布模式切换：文字文章 / 贴图消息 */
.draft-mode{display:flex;gap:8px}
.seg{flex:1;text-align:center;padding:9px 0;border:1px solid var(--border);border-radius:10px;cursor:pointer;font-size:14px;color:#4a5059;user-select:none;transition:all .15s;background:#fff}
.seg:hover{border-color:var(--primary)}
.seg.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}