:root{
  --paper:#fbf5e9;
  --paper-2:#fffaf0;
  --ink:#322a24;
  --ink-soft:#6b5f53;
  --line:#e6dcc7;
  --brand:#c0392b;
  --brand-d:#a3301f;
  --accent:#e08a3c;
  --teal:#3a7d6e;
  --gold:#caa24a;
  --shadow:0 6px 20px rgba(80,60,30,.12);
  --radius:16px;
  --tab-h:62px;
  font-size:17px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--paper);
  background-image:radial-gradient(rgba(180,150,100,.05) 1px,transparent 1px);
  background-size:18px 18px;
  line-height:1.55;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:1rem}
.hidden{display:none !important}

/* ── 登录 ── */
.login-mask{
  position:fixed;inset:0;z-index:50;
  display:flex;align-items:center;justify-content:center;padding:24px;
  background:
    linear-gradient(160deg,rgba(192,57,43,.92),rgba(160,48,31,.95)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff15'/%3E%3C/svg%3E");
}
.login-card{
  width:100%;max-width:380px;background:var(--paper-2);
  border-radius:22px;padding:30px 24px 22px;box-shadow:0 20px 50px rgba(0,0,0,.3);
  text-align:center;
}
.login-logo{
  width:96px;height:96px;margin:0 auto 14px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,var(--accent),var(--brand));
  color:#fff;font-weight:800;font-size:20px;line-height:1.15;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(192,57,43,.35);
}
.login-card h1{font-size:1.35rem;margin:4px 0 6px}
.login-sub{color:var(--ink-soft);margin:0 0 18px;font-size:.95rem}
#login-form label{display:block;text-align:left;font-size:.85rem;color:var(--ink-soft);margin-bottom:12px}
#login-form input,#login-form select{
  width:100%;margin-top:6px;padding:13px 14px;border:1.5px solid var(--line);
  border-radius:12px;background:#fff;color:var(--ink);outline:none;font-size:1rem;
  -webkit-appearance:none;appearance:none;
}
#login-form select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a3301f' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:34px;
}
#login-form input:focus,#login-form select:focus{border-color:var(--brand)}
.pin-row{opacity:.92}
.login-tip{font-size:.78rem;color:var(--ink-soft);margin:14px 2px 0;line-height:1.5}
.err{color:var(--brand);font-size:.85rem;min-height:1.1em;text-align:left;margin:2px 0 6px}

/* ── 按钮 ── */
.btn-primary{
  background:var(--brand);color:#fff;border:none;border-radius:12px;
  padding:11px 18px;font-size:1rem;font-weight:600;box-shadow:0 4px 12px rgba(192,57,43,.25);
}
.btn-primary:active{background:var(--brand-d)}
.btn-primary.big{width:100%;padding:15px;font-size:1.1rem;margin-top:4px}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink);border-radius:10px;padding:9px 14px;font-size:.95rem}
.btn-ghost:active{background:#0000000a}
.btn-sm{padding:6px 12px;font-size:.85rem;border-radius:9px}

/* ── 布局 ── */
.topbar{
  position:sticky;top:0;z-index:20;height:52px;display:flex;align-items:center;
  justify-content:space-between;padding:0 16px;
  background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.12);
  padding-top:env(safe-area-inset-top);
}
.topbar #page-title{font-size:1.1rem;font-weight:700}
.who{font-size:.85rem;opacity:.92}
.app{padding:14px 14px calc(var(--tab-h) + 18px);max-width:640px;margin:0 auto}
.view{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;height:var(--tab-h);
  display:flex;background:var(--paper-2);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab{
  flex:1;background:none;border:none;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:2px;color:var(--ink-soft);font-size:.72rem;padding-top:6px;
}
.tab i{font-style:normal;font-size:1.35rem;filter:grayscale(.4);opacity:.7}
.tab.active{color:var(--brand)}
.tab.active i{filter:none;opacity:1;transform:translateY(-1px)}

/* ── 卡片 ── */
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin-bottom:14px;box-shadow:var(--shadow);
}
.card h2{font-size:1.1rem;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.card h2 .tag{font-size:.7rem;background:var(--brand);color:#fff;padding:2px 8px;border-radius:20px;font-weight:600}
.muted{color:var(--ink-soft);font-size:.9rem}
.pre{white-space:pre-wrap;line-height:1.7;color:var(--ink)}

/* 首页英雄 */
.hero{
  border-radius:var(--radius);overflow:hidden;margin-bottom:14px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  padding:30px 22px;text-align:center;box-shadow:var(--shadow);position:relative;
}
.hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='1.5' fill='%23ffffff22'/%3E%3C/svg%3E")}
.hero h1{font-size:1.6rem;margin:0 0 8px;position:relative;letter-spacing:1px}
.hero p{margin:0;opacity:.95;position:relative}

/* 统计 */
.stat-row{display:flex;gap:10px;margin-bottom:6px}
.stat{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 6px;text-align:center}
.stat b{display:block;font-size:1.5rem;color:var(--brand)}
.stat span{font-size:.75rem;color:var(--ink-soft)}
.bars{margin-top:6px}
.bar-line{display:flex;align-items:center;gap:8px;margin:7px 0;font-size:.85rem}
.bar-line .lbl{width:38px;color:var(--ink-soft);text-align:right;flex:none}
.bar-track{flex:1;background:#efe6d2;border-radius:8px;height:16px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--brand));border-radius:8px;min-width:2px;transition:width .4s}
.bar-line .num{width:26px;text-align:left;flex:none;color:var(--ink-soft)}

/* 表单通用 */
.field{margin-bottom:12px}
.field label{display:block;font-size:.82rem;color:var(--ink-soft);margin-bottom:5px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:11px;
  background:#fff;color:var(--ink);outline:none;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand)}
.field textarea{resize:vertical;min-height:70px}
.size-pick{display:flex;flex-wrap:wrap;gap:8px}
.size-pick button{
  border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:9px 0;
  flex:1;min-width:54px;color:var(--ink);font-weight:600;
}
.size-pick button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.seg{display:flex;gap:8px}
.seg button{flex:1;border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:10px 0;color:var(--ink)}
.seg button.on{background:var(--teal);color:#fff;border-color:var(--teal)}

/* 花名册 */
.going-btn{width:100%;padding:15px;border:none;background:#f97316;border-radius:12px;
  color:#fff;font-size:1.12rem;font-weight:700;box-shadow:0 4px 14px rgba(249,115,22,.35)}
.going-btn:active{background:#e0660c}
.going-btn.done{background:#e9e9e9;color:#9a9a9a;font-weight:600;box-shadow:none;cursor:default}
.going-btn:disabled{cursor:default}
.detail-row{display:flex;justify-content:space-between;gap:14px;padding:10px 2px;border-bottom:1px dashed var(--line)}
.detail-row:last-child{border-bottom:none}
.detail-row .k{color:var(--ink-soft);font-size:.9rem;flex:none}
.detail-row .vv{font-weight:600;text-align:right;word-break:break-all}

.roster{display:flex;flex-direction:column;gap:0}
.roster-item{display:flex;align-items:center;gap:12px;padding:11px 2px;border-bottom:1px dashed var(--line);cursor:pointer}
.roster-item:active{background:#0000000a}
.roster-item:last-child{border-bottom:none}
.avatar{width:46px;height:46px;border-radius:50%;object-fit:cover;background:#eadfc8;flex:none;
  display:flex;align-items:center;justify-content:center;color:#b6a079;font-weight:700;font-size:1.1rem}
.roster-main{flex:1;min-width:0}
.roster-main .nm{font-weight:600}
.roster-main .sub{font-size:.78rem;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip{font-size:.72rem;padding:2px 8px;border-radius:20px;background:#efe6d2;color:var(--ink-soft);flex:none}
.chip.size{background:#fbe6df;color:var(--brand);font-weight:700}
.chip.go{background:#dff0ea;color:var(--teal)}
.chip.no{background:#eee;color:#999}

/* 照片墙 */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.photo-grid .ph{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;background:#eadfc8}
.photo-grid .ph img{width:100%;height:100%;object-fit:cover}
.photo-grid .ph .meta{position:absolute;left:0;right:0;bottom:0;padding:3px 6px;font-size:.68rem;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.55));display:flex;justify-content:space-between}
.uploader-fab{position:fixed;right:18px;bottom:calc(var(--tab-h) + 18px);z-index:25;
  width:54px;height:54px;border-radius:50%;background:var(--brand);color:#fff;border:none;
  font-size:1.6rem;box-shadow:0 8px 18px rgba(192,57,43,.4)}

/* 照片详情/留言 */
.detail-img{width:100%;border-radius:12px;max-height:60vh;object-fit:contain;background:#000}
.like-bar{display:flex;align-items:center;gap:16px;margin:12px 0}
.like-btn{display:flex;align-items:center;gap:6px;border:none;background:none;font-size:1rem;color:var(--ink-soft)}
.like-btn.on{color:var(--brand)}
.like-btn i{font-size:1.3rem;font-style:normal}
.vote-btn{display:flex;align-items:center;gap:6px;border:1.5px solid var(--line);background:#fff;
  border-radius:22px;padding:7px 16px;font-size:.92rem;color:var(--ink-soft)}
.vote-btn i{font-style:normal;font-size:1.1rem}
.vote-btn.on{border-color:var(--brand);background:#fbe6df;color:var(--brand);font-weight:600}
.cmt{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}
.cmt .body{flex:1;min-width:0}
.cmt .body .nm{font-size:.82rem;color:var(--teal);font-weight:600}
.cmt .body .tx{font-size:.95rem;word-break:break-word}
.cmt .time{font-size:.7rem;color:#b3a890}
.cmt-input{display:flex;gap:8px;margin-top:10px}
.cmt-input input{flex:1;padding:11px 13px;border:1.5px solid var(--line);border-radius:22px;outline:none;background:#fff}

/* 留言板 */
.msg{display:flex;gap:11px;padding:12px 0;border-bottom:1px dashed var(--line)}
.msg .body{flex:1;min-width:0}
.msg .nm{font-weight:600}
.msg .reply-quote{font-size:.8rem;color:var(--ink-soft);background:#f1e8d6;border-left:3px solid var(--gold);
  padding:5px 9px;border-radius:6px;margin:4px 0;white-space:pre-wrap}
.msg .tx{word-break:break-word;margin-top:2px}
.msg .acts{display:flex;gap:14px;margin-top:5px}
.msg .acts button{background:none;border:none;color:var(--ink-soft);font-size:.78rem;padding:0}
.time{font-size:.72rem;color:#b3a890}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center}
.modal-bg{position:absolute;inset:0;background:rgba(20,12,6,.55)}
.modal-body{position:relative;background:var(--paper-2);width:100%;max-width:640px;
  border-radius:20px 20px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));
  max-height:90vh;overflow:auto;animation:slideup .25s ease}
@keyframes slideup{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.modal-head h3{margin:0;font-size:1.1rem}
.modal-close{background:none;border:none;font-size:1.5rem;color:var(--ink-soft);line-height:1}

/* 提交栏 */
.post-box{display:flex;gap:8px;margin-bottom:14px}
.post-box textarea{flex:1;min-height:44px;max-height:120px;padding:11px 13px;border:1.5px solid var(--line);
  border-radius:14px;outline:none;background:#fff;resize:none}

.toast{position:fixed;left:50%;bottom:calc(var(--tab-h) + 30px);transform:translateX(-50%);
  background:rgba(40,28,18,.92);color:#fff;padding:11px 20px;border-radius:24px;z-index:80;
  font-size:.9rem;box-shadow:0 8px 20px rgba(0,0,0,.3);animation:fade .2s}
.empty{text-align:center;color:var(--ink-soft);padding:30px 10px;font-size:.92rem}
.empty .ico{font-size:2.2rem;opacity:.5;margin-bottom:6px}
.section-title{font-size:.95rem;color:var(--ink-soft);margin:18px 4px 8px;font-weight:600;display:flex;align-items:center;gap:6px}
.row-between{display:flex;justify-content:space-between;align-items:center}
.del-x{background:none;border:none;color:#c9b89a;font-size:.95rem;padding:2px 6px}
a.dl{color:var(--teal);font-size:.85rem;text-decoration:none}