/* =========================================================
   社群反馈站 · 共享样式
   设计基调：深墨蓝 + 专业蓝点缀，克制、干净、可信
   ========================================================= */
:root{
  --ink:#0d1526;
  --text:#1f2937;
  --muted:#6b7688;
  --muted-2:#98a2b3;
  --line:#e5e9f0;
  --line-soft:#eef1f6;
  --bg:#f5f7fb;
  --card:#ffffff;

  --accent:#2f6bff;
  --accent-deep:#1d4ed8;
  --accent-soft:#eef3ff;
  --warm:#ff8a3d;

  --ok:#0e9f6e;
  --ok-soft:#e8f7f1;
  --warn:#d97706;
  --warn-soft:#fef4e6;
  --danger:#e5342b;
  --danger-soft:#fdeceb;
  --info-soft:#eef3ff;

  --r-sm:9px;
  --r:13px;
  --r-lg:18px;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 2px 4px rgba(16,24,40,.04),0 10px 28px -14px rgba(16,24,40,.22);
  --sh-3:0 18px 48px -22px rgba(13,21,38,.42);
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--ff);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.6;
}
h1,h2,h3,h4{margin:0;font-weight:650;color:var(--ink);letter-spacing:-.01em;line-height:1.35;}
p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
a{color:var(--accent);text-decoration:none;}
canvas{outline:none;}

/* ---------- 基础控件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:1px solid transparent;border-radius:11px;
  padding:11px 18px;font-size:14.5px;font-weight:600;
  cursor:pointer;transition:.18s ease;background:#fff;color:var(--text);white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-primary{
  background:linear-gradient(180deg,#3d78ff,#2456e8);
  color:#fff;box-shadow:0 8px 20px -10px rgba(47,107,255,.85),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover{background:linear-gradient(180deg,#4a83ff,#1f4fe0);}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;}
.btn-ghost{border-color:var(--line);color:var(--text);box-shadow:var(--sh-1);}
.btn-ghost:hover{border-color:#cbd6ea;background:#fbfcfe;}
.btn-sm{padding:7px 12px;font-size:12.5px;border-radius:9px;}
.btn-block{width:100%;}

.field{margin-bottom:18px;}
.field > label{
  display:flex;align-items:baseline;gap:7px;
  font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:9px;
}
.field .req{color:var(--danger);font-size:12px;}
.field .opt{font-size:11.5px;color:var(--muted-2);font-weight:400;}

.input,.textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r);
  padding:12px 14px;font-size:14.5px;background:#fcfdff;color:var(--text);
  transition:.18s ease;outline:none;
}
.textarea{resize:vertical;min-height:124px;line-height:1.65;}
.input::placeholder,.textarea::placeholder{color:#a9b2c1;}
.input:hover,.textarea:hover{border-color:#cfd8e8;}
.input:focus,.textarea:focus{
  border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 3.5px rgba(47,107,255,.12);
}
.input.err,.textarea.err{border-color:var(--danger);box-shadow:0 0 0 3.5px rgba(229,52,43,.10);}

.hint{font-size:12px;color:var(--muted-2);margin-top:7px;}
.err-msg{font-size:12.5px;color:var(--danger);margin-top:7px;display:none;}
.err-msg.show{display:block;}

.counter{font-size:12px;color:var(--muted-2);text-align:right;margin-top:6px;font-variant-numeric:tabular-nums;}

/* 照片上传 */
.photos{display:flex;flex-wrap:wrap;gap:10px;}
.photo-thumb{
  position:relative;width:74px;height:74px;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);animation:pop .3s ease;
}
.photo-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.photo-thumb .rm{
  position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;
  background:rgba(13,21,38,.74);color:#fff;border:0;font-size:13px;line-height:1;
  cursor:pointer;display:grid;place-items:center;padding:0;
}
.photo-add{
  width:74px;height:74px;border:1.5px dashed #c6cfdd;border-radius:10px;
  display:grid;place-items:center;font-size:11.5px;color:var(--muted);
  cursor:pointer;transition:.16s;user-select:none;text-align:center;line-height:1.5;
}
.photo-add:hover{border-color:var(--accent);color:var(--accent-deep);background:#f7faff;}

/* 图片查看（后台点开大图） */
.lightbox{
  position:fixed;inset:0;background:rgba(9,14,26,.86);z-index:200;
  display:none;place-items:center;padding:24px;cursor:zoom-out;
}
.lightbox.show{display:grid;}
.lightbox img{
  max-width:92vw;max-height:88vh;border-radius:12px;
  box-shadow:0 24px 80px -20px rgba(0,0,0,.8);
}

/* 胶囊选择 */
.chips{display:flex;flex-wrap:wrap;gap:9px;}
.chip{
  border:1px solid var(--line);background:#fcfdff;border-radius:10px;
  padding:9px 14px;font-size:13.5px;color:var(--text);cursor:pointer;
  transition:.16s ease;display:inline-flex;align-items:center;gap:7px;font-weight:500;
}
.chip:hover{border-color:#c3d3f5;background:#f7faff;}
.chip.on{
  border-color:var(--accent);background:var(--accent-soft);color:var(--accent-deep);font-weight:650;
  box-shadow:0 0 0 3px rgba(47,107,255,.09);
}
.chip .ic{font-size:14px;line-height:1;}

/* 复选 */
.check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;font-size:13.5px;color:var(--text);}
.check input{
  appearance:none;-webkit-appearance:none;width:18px;height:18px;flex:0 0 auto;margin:2px 0 0;
  border:1.5px solid #c6cfdd;border-radius:5px;background:#fff;cursor:pointer;transition:.16s;position:relative;
}
.check input:checked{background:var(--accent);border-color:var(--accent);}
.check input:checked::after{
  content:"";position:absolute;left:5.4px;top:1.4px;width:4.5px;height:9px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(43deg);
}

/* =========================================================
   客户提交页
   ========================================================= */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 340px at 88% -12%, rgba(90,140,255,.42) 0%, rgba(90,140,255,0) 62%),
    radial-gradient(560px 300px at 6% 108%, rgba(255,138,61,.26) 0%, rgba(255,138,61,0) 60%),
    linear-gradient(158deg,#0b1220 0%,#12203d 52%,#0e1930 100%);
  background-color:#0d1526;
  color:#fff;
  padding:34px 20px 78px;
  text-align:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 78% 70% at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 78% 70% at 50% 0%,#000 0%,transparent 78%);
}
.hero-inner{position:relative;z-index:1;max-width:600px;margin:0 auto;}
.brand{display:inline-flex;align-items:center;gap:9px;margin-bottom:20px;}
.brand .mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(150deg,#4c86ff,#2456e8);
  box-shadow:0 8px 18px -8px rgba(60,120,255,.9),inset 0 1px 0 rgba(255,255,255,.3);
  font-size:17px;
}
.brand .nm{font-size:14.5px;font-weight:650;letter-spacing:.4px;color:#eaf0ff;}
.hero h1{font-size:25px;color:#fff;line-height:1.42;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;color:#8fb4ff;}
.hero .lede{font-size:14px;color:#a9bad8;margin-top:11px;line-height:1.7;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:19px;}
.hero-tags span{
  font-size:12px;color:#c3d3f0;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.13);padding:5px 11px;border-radius:20px;backdrop-filter:blur(4px);
}

.sheet-wrap{max-width:600px;margin:-52px auto 0;padding:0 16px 56px;position:relative;z-index:2;}
.sheet{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:26px 22px 24px;
}
.sheet-head{padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid var(--line-soft);}
.sheet-head h2{font-size:17px;}
.sheet-head p{font-size:13px;color:var(--muted);margin-top:6px;}
.from-tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:12px;color:var(--accent-deep);background:var(--accent-soft);
  border:1px solid #d9e5ff;border-radius:20px;padding:4px 11px;
}
.from-tag.hide{display:none;}

.form-foot{padding-top:6px;}
.privacy{
  display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted-2);
  margin-top:14px;line-height:1.6;
}
.form-note{font-size:12px;color:var(--muted-2);text-align:center;margin-top:18px;line-height:1.7;}

/* 成功态 */
.done{text-align:center;padding:22px 6px 8px;animation:pop .42s cubic-bezier(.16,1,.3,1);}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.985);}to{opacity:1;transform:none;}}
.done .ring{
  width:66px;height:66px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;
  background:linear-gradient(150deg,#e6f7f0,#d3f0e4);color:var(--ok);font-size:31px;
  box-shadow:0 12px 26px -14px rgba(14,159,110,.7);
}
.done h2{font-size:19px;}
.done p{font-size:13.5px;color:var(--muted);margin-top:9px;line-height:1.75;}
.done .code{
  display:inline-block;margin-top:16px;font-size:13px;color:var(--muted);
  background:#f6f8fc;border:1px dashed #d7dfec;border-radius:9px;padding:9px 15px;
  font-variant-numeric:tabular-nums;letter-spacing:.4px;
}
.done .code b{color:var(--accent-deep);font-weight:700;}
.done-actions{display:flex;gap:10px;margin-top:22px;justify-content:center;flex-wrap:wrap;}

.footnote{
  max-width:600px;margin:0 auto;padding:0 20px 40px;text-align:center;
  font-size:11.5px;color:var(--muted-2);line-height:1.8;
}

/* =========================================================
   管理后台
   ========================================================= */
.shell{display:flex;min-height:100vh;background:var(--bg);}
.side{
  width:212px;flex:0 0 212px;background:#0f1930;color:#c9d5ea;
  padding:22px 14px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;
}
.side .brand{padding:0 8px 18px;margin-bottom:6px;border-bottom:1px solid rgba(255,255,255,.09);}
.side .brand .nm{color:#eef3ff;}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:13.5px;color:#a8b7d3;cursor:pointer;transition:.16s;border:0;background:transparent;width:100%;text-align:left;
}
.nav-item:hover{background:rgba(255,255,255,.07);color:#e6edfb;}
.nav-item.on{background:linear-gradient(90deg,rgba(76,134,255,.28),rgba(76,134,255,.08));color:#fff;font-weight:600;}
.side .grow{flex:1;}
.side .tip{font-size:11px;color:#7d8db0;padding:10px 12px 0;line-height:1.7;border-top:1px solid rgba(255,255,255,.09);}

.main{flex:1;min-width:0;padding:26px 30px 50px;}
.main-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px;}
.main-head h1{font-size:20px;}
.main-head .desc{font-size:12.5px;color:var(--muted);margin-top:4px;}
.main-head .sp{flex:1;}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:15px 17px;
  box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);}
.stat.s2::before{background:var(--warn);}
.stat.s3::before{background:var(--ok);}
.stat.s4::before{background:#8b5cf6;}
.stat .k{font-size:12.5px;color:var(--muted);}
.stat .v{font-size:25px;font-weight:700;color:var(--ink);margin-top:6px;font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.stat .v small{font-size:12.5px;font-weight:600;color:var(--muted-2);margin-left:3px;}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);}
.toolbar{
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
  padding:14px 16px;border-bottom:1px solid var(--line-soft);
}
.search{position:relative;flex:1;min-width:190px;}
.search .input{padding-left:36px;background:#fff;}
.search .ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted-2);font-size:14px;}
.seg{display:flex;background:#f2f5fa;border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px;}
.seg button{
  border:0;background:transparent;padding:7px 13px;font-size:12.5px;color:var(--muted);
  border-radius:8px;cursor:pointer;transition:.16s;font-weight:500;white-space:nowrap;
}
.seg button:hover{color:var(--text);}
.seg button.on{background:#fff;color:var(--accent-deep);font-weight:650;box-shadow:var(--sh-1);}

.list{padding:6px;}
.fb{
  border:1px solid var(--line-soft);border-radius:var(--r);padding:15px 16px;margin:8px;
  background:#fff;transition:.18s;box-shadow:0 1px 2px rgba(16,24,40,.03);
}
.fb:hover{border-color:#d3ddef;box-shadow:var(--sh-2);}
.fb-top{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:10px;}
.badge{
  font-size:11.5px;font-weight:600;padding:3.5px 9px;border-radius:7px;
  background:var(--accent-soft);color:var(--accent-deep);white-space:nowrap;
}
.badge.b2{background:#fff3e6;color:#c2621a;}
.badge.b3{background:#f3ebff;color:#6d3fc4;}
.badge.b4{background:var(--danger-soft);color:#b32a22;}
.badge.b5{background:#eef1f5;color:#5c6675;}
.fb-code{font-size:11.5px;color:var(--muted-2);font-variant-numeric:tabular-nums;letter-spacing:.3px;}
.fb-time{font-size:11.5px;color:var(--muted-2);margin-left:auto;white-space:nowrap;}
.fb-body{font-size:14px;color:var(--text);line-height:1.72;white-space:pre-wrap;word-break:break-word;}
.fb-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:11px;}
.fb-meta span{
  font-size:11.5px;color:var(--muted);background:#f6f8fc;border:1px solid var(--line-soft);
  padding:3px 9px;border-radius:7px;
}
.fb-meta span em{font-style:normal;color:var(--accent-deep);font-weight:600;}
.fb-back{
  margin-top:12px;padding:11px 13px;background:#f7f9fd;border-left:3px solid var(--accent);
  border-radius:0 9px 9px 0;font-size:13px;color:var(--text);line-height:1.7;white-space:pre-wrap;
}
.fb-back .lb{font-size:11.5px;color:var(--muted);display:block;margin-bottom:4px;font-weight:600;}
.fb-photos{margin-top:11px;}
.fb-photos .photo-thumb{cursor:zoom-in;}
.fb-foot{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-top:13px;padding-top:13px;border-top:1px dashed var(--line);
}
.st{
  font-size:11.5px;font-weight:650;padding:3.5px 9px;border-radius:7px;margin-right:auto;white-space:nowrap;
}
.st.pending{background:var(--warn-soft);color:var(--warn);}
.st.adopted{background:var(--info-soft);color:var(--accent-deep);}
.st.done{background:var(--ok-soft);color:var(--ok);}
.st.rejected{background:#f2f4f7;color:var(--muted);}
.acts{display:flex;gap:7px;flex-wrap:wrap;}

.empty{text-align:center;padding:64px 20px;color:var(--muted);}
.empty .ic{font-size:34px;opacity:.4;margin-bottom:12px;}
.empty h3{font-size:15px;color:var(--text);margin-bottom:7px;}
.empty p{font-size:13px;color:var(--muted-2);}

/* 登录 */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(800px 400px at 50% -10%,#e7eeff 0%,rgba(231,238,255,0) 60%),var(--bg);}
.login{
  width:100%;max-width:376px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:32px 28px 28px;text-align:center;
}
.login .mark{
  width:48px;height:48px;border-radius:14px;margin:0 auto 16px;display:grid;place-items:center;
  background:linear-gradient(150deg,#4c86ff,#2456e8);color:#fff;font-size:22px;
  box-shadow:0 12px 24px -12px rgba(60,120,255,.9);
}
.login h1{font-size:18px;}
.login p{font-size:13px;color:var(--muted);margin-top:7px;margin-bottom:22px;}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);
  background:rgba(15,25,48,.95);color:#fff;font-size:13.5px;font-weight:500;
  padding:11px 20px;border-radius:11px;box-shadow:var(--sh-3);z-index:99;
  opacity:0;pointer-events:none;transition:.28s cubic-bezier(.16,1,.3,1);white-space:nowrap;
}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* 响应式 */
@media (min-width:721px){
  .hero{padding:56px 20px 110px;}
  .hero h1{font-size:31px;}
  .hero .lede{font-size:15px;}
  .sheet-wrap{margin-top:-70px;}
  .sheet{padding:34px 34px 30px;}
  .done{padding:30px 10px 12px;}
}
@media (max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .side{width:64px;flex:0 0 64px;padding:18px 8px;}
  .side .brand .nm,.side .nav-item span,.side .tip{display:none;}
  .side .brand{padding:0 4px 14px;display:grid;place-items:center;}
  .nav-item{justify-content:center;padding:11px 0;}
  .main{padding:20px 16px 40px;}
}
@media (max-width:560px){
  .stat-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .stat{padding:13px 14px;}
  .stat .v{font-size:21px;}
  .toolbar{padding:12px;}
  .fb-time{margin-left:0;width:100%;}
}