:root{
  --bg:#050a18; --bg2:#070d1e; --panel:rgba(18,30,60,.55);
  --line:rgba(69,217,255,.35); --cyan:#45d9ff; --cyan2:#7ef0ff;
  --txt:#dceaff; --muted:#8fb0c9; --danger:#ff6b8a;
  --ok:#56e39f; --gold:#ffd479;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--txt);-webkit-user-select:none;user-select:none;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(69,217,255,.10), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(126,240,255,.08), transparent 55%),
    var(--bg);
  background-attachment:fixed;
  min-height:100%;
}
.hidden{display:none !important}

/* ---------- 星空背景 ---------- */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(255,255,255,.9), transparent),
    radial-gradient(1px 1px at 28% 72%, rgba(255,255,255,.7), transparent),
    radial-gradient(1.5px 1.5px at 47% 33%, rgba(190,230,255,.8), transparent),
    radial-gradient(1px 1px at 63% 84%, rgba(255,255,255,.6), transparent),
    radial-gradient(1.5px 1.5px at 78% 22%, rgba(255,255,255,.85), transparent),
    radial-gradient(1px 1px at 88% 60%, rgba(190,230,255,.7), transparent),
    radial-gradient(1.5px 1.5px at 35% 55%, rgba(255,255,255,.55), transparent),
    radial-gradient(1px 1px at 70% 45%, rgba(255,255,255,.6), transparent),
    radial-gradient(1.5px 1.5px at 92% 88%, rgba(255,255,255,.7), transparent),
    radial-gradient(1px 1px at 8% 90%, rgba(190,230,255,.6), transparent),
    radial-gradient(1px 1px at 56% 12%, rgba(255,255,255,.5), transparent);
  background-repeat:repeat;background-size:280px 280px;
}

/* ---------- 登录 ---------- */
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{
  width:100%;max-width:360px;background:var(--panel);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:18px;padding:28px 24px;
  box-shadow:0 0 40px rgba(69,217,255,.12),inset 0 0 30px rgba(69,217,255,.04);
}
.login-logo{font-size:24px;font-weight:800;letter-spacing:1px;text-align:center;
  background:linear-gradient(90deg,var(--cyan),var(--cyan2));-webkit-background-clip:text;background-clip:text;color:transparent}
.login-logo span{display:block;font-size:13px;font-weight:400;letter-spacing:3px;color:var(--muted);-webkit-text-fill-color:var(--muted)}
.login-sub{text-align:center;color:var(--muted);font-size:13px;margin:10px 0 18px}
.form-err{color:var(--danger);font-size:13px;min-height:18px;text-align:center;margin-bottom:6px}

/* ---------- 表单 ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;letter-spacing:1px}
.field input,.field textarea{
  width:100%;background:rgba(5,10,24,.6);border:1px solid var(--line);border-radius:10px;-webkit-user-select:auto;user-select:auto;
  color:var(--txt);padding:11px 12px;font-size:14px;outline:none;transition:.2s;
}
.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(69,217,255,.15)}
.field textarea{resize:vertical;min-height:70px;line-height:1.5}

/* ---------- 按钮 ---------- */
.btn{border:none;border-radius:10px;padding:11px 16px;font-size:14px;cursor:pointer;
  transition:.18s;font-weight:600;letter-spacing:.5px}
.btn-block{width:100%;display:block;margin-top:8px}
.btn-primary{background:linear-gradient(90deg,var(--cyan),var(--cyan2));color:#04121f}
.btn-primary:hover{box-shadow:0 0 18px rgba(69,217,255,.5)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--cyan)}
.btn-ghost:hover{background:rgba(69,217,255,.08)}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn-danger{background:transparent;border:1px solid var(--danger);color:var(--danger)}
.btn-off{opacity:.5;pointer-events:none}
.link-btn{background:none;border:none;color:var(--muted);font-size:13px;margin-top:14px;width:100%;cursor:pointer;text-decoration:underline}
.link-btn:hover{color:var(--cyan)}

/* ---------- 顶栏 ---------- */
.app{position:fixed;inset:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;
  border-bottom:1px solid rgba(69,217,255,.18);background:rgba(7,13,30,.7);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.brand{font-weight:800;letter-spacing:1px;font-size:17px}
.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);font-weight:400}
.me-chip{background:rgba(69,217,255,.1);border:1px solid var(--line);color:var(--cyan);
  border-radius:20px;padding:6px 14px;font-size:13px;cursor:pointer;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 内容区 ---------- */
.content{flex:1;overflow-y:auto;padding:16px 16px 90px;-webkit-overflow-scrolling:touch}
.tab{max-width:720px;margin:0 auto}

/* ---------- 卡片 ---------- */
.card{background:var(--panel);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--line);
  border-radius:16px;padding:16px;margin-bottom:14px;
  box-shadow:0 0 22px rgba(69,217,255,.07),inset 0 0 24px rgba(69,217,255,.03)}
.card-title{font-size:15px;font-weight:700;margin:0 0 12px;display:flex;align-items:center;justify-content:space-between}
.hint{color:var(--muted);font-size:13px;line-height:1.6}
.section-title{font-size:12px;letter-spacing:3px;color:var(--cyan);margin:18px 4px 10px}
.bio-text{color:var(--txt);font-size:14px;line-height:1.7;white-space:pre-wrap}
.announce-text{color:var(--gold);font-size:14px;line-height:1.7;white-space:pre-wrap;
  background:rgba(255,212,121,.08);border:1px solid rgba(255,212,121,.35);border-radius:10px;padding:10px 12px}

/* ---------- 组织头 ---------- */
.org-hero{padding:18px 16px;border-radius:16px;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(69,217,255,.14),rgba(7,13,30,.5));
  border:1px solid var(--line);position:relative;overflow:hidden}
.org-name{font-size:22px;font-weight:800;letter-spacing:1px;padding-right:44px}
.org-meta{color:var(--muted);font-size:13px;margin-top:8px;line-height:1.7}
.org-code{display:inline-block;background:rgba(5,10,24,.6);border:1px solid var(--line);
  border-radius:8px;padding:3px 10px;color:var(--cyan);font-size:13px;letter-spacing:1px;margin-right:8px}
.org-desc{color:var(--txt);font-size:14px;margin-top:10px;line-height:1.7;white-space:pre-wrap}
.announce{margin-top:12px;background:rgba(255,212,121,.08);border:1px solid rgba(255,212,121,.35);
  border-radius:10px;padding:10px 12px;font-size:13px;color:var(--gold)}

/* ---------- 职位徽章 ---------- */
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;margin-left:6px;vertical-align:middle;font-weight:600}
.b-owner{background:rgba(255,212,121,.15);color:var(--gold);border:1px solid rgba(255,212,121,.5)}
.b-admin{background:rgba(69,217,255,.15);color:var(--cyan);border:1px solid var(--line)}
.b-command{background:rgba(126,240,255,.12);color:var(--cyan2);border:1px solid rgba(126,240,255,.4)}
.b-diplomat{background:rgba(86,227,159,.15);color:var(--ok);border:1px solid rgba(86,227,159,.45)}
.b-member{background:rgba(143,176,201,.12);color:var(--muted);border:1px solid rgba(143,176,201,.3)}

/* ---------- 成员 ---------- */
.member{display:flex;align-items:center;gap:12px;padding:11px 4px;border-bottom:1px solid rgba(69,217,255,.1)}
.member:last-child{border-bottom:none}
.avatar{width:42px;height:42px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#04121f;font-weight:800;font-size:16px}
.member-info{flex:1;min-width:0}
.member-name{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.member-id{font-size:12px;color:var(--muted)}
.member-act{flex:none}
.dot-btn{background:rgba(69,217,255,.1);border:1px solid var(--line);color:var(--cyan);
  width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:18px;line-height:1}
.mini{font-size:12px;color:var(--muted);margin-top:4px}

/* ---------- 任务 ---------- */
.task{background:rgba(5,10,24,.4);border:1px solid rgba(69,217,255,.2);border-radius:12px;padding:13px;margin-bottom:10px}
.task-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.task-content{font-size:14px;line-height:1.6;white-space:pre-wrap}
.task-meta{font-size:12px;color:var(--muted);margin-top:6px}
.task-stat{font-size:12px;color:var(--cyan);margin-top:8px}
.row{display:flex;align-items:center;gap:8px}
.row.wrap{flex-wrap:wrap}
.spacer{flex:1}
.empty{text-align:center;color:var(--muted);padding:40px 10px;font-size:14px}
.guide{padding:24px 16px}

/* ---------- 联合体模块（hero） ---------- */
.org-hero{position:relative;padding:18px 16px 54px}
.org-bg-btn{position:absolute;top:12px;right:12px}
/* 背景图不透明时保证文字可读 */
.org-hero .org-name,.org-hero .org-meta,.org-hero .org-desc,.org-hero .org-code-wrap,.org-hero .org-code-sm{text-shadow:0 1px 5px rgba(0,0,0,.92),0 0 2px rgba(0,0,0,.9)}
.org-members{display:inline-block;background:rgba(5,10,24,.55);border:1px solid var(--line);
  border-radius:8px;padding:3px 10px;color:var(--cyan);font-size:13px}
.org-code-wrap{position:absolute;bottom:12px;right:12px;display:flex;align-items:center;gap:6px}
.org-code-sm{font-size:12px;color:var(--muted);letter-spacing:1px}
.copy-btn{background:rgba(69,217,255,.12);border:1px solid var(--line);color:var(--cyan);
  border-radius:8px;padding:3px 10px;font-size:12px;cursor:pointer}
.copy-btn:hover{background:rgba(69,217,255,.22)}

/* ---------- 公告 ---------- */
.ann-time{text-align:right;color:var(--muted);font-size:12px;margin-top:8px}
.ann-toggle{background:none;border:none;color:var(--cyan);font-size:13px;cursor:pointer;margin-top:10px;padding:0}
.ann-recv-list{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7;
  background:rgba(5,10,24,.4);border:1px solid rgba(69,217,255,.15);border-radius:10px;padding:10px 12px}

/* ---------- 折叠标题 ---------- */
.card-toggle{cursor:pointer;user-select:none}
.toggle-arrow{margin-left:auto;color:var(--cyan);font-size:13px}

/* ---------- 成员展开 ---------- */
.member-row{cursor:pointer}
.avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block}
.avatar-lg{width:64px;height:64px;font-size:22px}
.member-detail{margin:0 4px 12px;padding:12px;background:rgba(5,10,24,.35);
  border:1px solid rgba(69,217,255,.15);border-radius:12px}

/* ---------- 画廊 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.gallery .cell{position:relative;aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:rgba(5,10,24,.5);
  border:1px solid rgba(69,217,255,.18)}
.gallery .cell img{width:100%;height:100%;object-fit:cover;cursor:zoom-in;display:block}
.gallery .cell .del{position:absolute;top:4px;right:4px;width:22px;height:22px;border-radius:6px;
  background:rgba(0,0,0,.55);color:#fff;border:none;cursor:pointer;font-size:12px;line-height:1}
.upload-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.url-box{margin-top:12px}

/* ---------- 底部 tab ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;  background:rgba(7,13,30,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid rgba(69,217,255,.2);z-index:20}
.tab-btn{flex:1;background:none;border:none;color:var(--muted);padding:12px 0 14px;font-size:14px;
  cursor:pointer;letter-spacing:2px;position:relative}
.tab-btn.on{color:var(--cyan)}
.tab-btn.on::after{content:"";position:absolute;bottom:8px;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:3px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}

/* ---------- 图片查看器 ---------- */
.viewer{position:fixed;inset:0;background:rgba(2,5,14,.94);z-index:50;display:flex;align-items:center;justify-content:center;overflow:hidden}
.viewer img{max-width:92%;max-height:88%;transform-origin:center;cursor:grab;touch-action:none;border-radius:6px}
.viewer img.grabbing{cursor:grabbing}
.viewer-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:18px;cursor:pointer}
.viewer-tip{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:var(--muted);font-size:12px}

/* ---------- 弹层 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(2,5,14,.7);z-index:40;display:flex;align-items:flex-end;justify-content:center}
.modal-mask.center{align-items:center}
.modal{width:100%;max-width:420px;background:var(--bg2);border:1px solid var(--line);border-radius:18px 18px 0 0;
  padding:20px 18px calc(20px + env(safe-area-inset-bottom));max-height:86vh;overflow-y:auto;
  box-shadow:0 -10px 40px rgba(69,217,255,.15)}
.modal-mask.center .modal{border-radius:18px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.modal-title{font-size:17px;font-weight:700}
.modal-x{background:none;border:none;color:var(--muted);font-size:22px;cursor:pointer;line-height:1}
.sheet-item{display:block;width:100%;text-align:left;background:none;border:none;border-top:1px solid rgba(69,217,255,.12);
  color:var(--txt);padding:14px 6px;font-size:15px;cursor:pointer}
.sheet-item:first-child{border-top:none}
.sheet-item.danger{color:var(--danger)}
.sheet-item.cancel{text-align:center;color:var(--muted);margin-top:8px;border-top:none}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;top:18%;transform:translateX(-50%);background:rgba(7,13,30,.95);
  border:1px solid var(--line);color:var(--txt);padding:10px 18px;border-radius:24px;font-size:14px;z-index:60;
  box-shadow:0 0 20px rgba(69,217,255,.2);max-width:80%;text-align:center}