/* 曦随留言板 · 视觉沿用官网品牌 token（暖白纸感 + 深金） */
:root {
  --bg: #FBF7F0;
  --bg-soft: #F3ECDF;
  --ink: #26303B;
  --ink-soft: #5A6673;
  --ink-faint: #8A93A0;
  --sun: #8F6900;
  --sun-deep: #7C631D;
  --sun-soft: #FFF2CC;
  --sun-edge: #FFE7A3;
  --health: #2E8B7A;
  --health-soft: #DCEDE6;
  --line: #E6DCCB;
  --card: #FFFFFF;
  --danger: #B23A2E;
  --shadow: 0 10px 30px rgba(90, 70, 40, .10);
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* ---------- 顶栏 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 247, 240, .86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: .5px; }
.brand .logo { width: 30px; height: 30px; flex: none; }
.brand .zh { font-size: 19px; }
.brand .en { font-size: 11px; color: var(--ink-faint); font-weight: 600; letter-spacing: 2px; }
.brand .slash { color: var(--ink-faint); }
.brand .page { font-size: 14px; color: var(--sun-deep); font-weight: 600; }

.tabs { display: flex; gap: 4px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.tab {
  border: 0; background: transparent; cursor: pointer;
  padding: 6px 14px; border-radius: 999px; font-size: 14px; color: var(--ink-soft);
  transition: background .15s, color .15s;
}
.tab.active { background: #fff; color: var(--sun-deep); font-weight: 700; box-shadow: 0 2px 8px rgba(90, 70, 40, .08); }

/* ---------- 主区 ---------- */
.main { padding-top: 34px; padding-bottom: 56px; }
.hero { padding: 12px 0 26px; }
.hero.compact { padding-bottom: 20px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--sun-deep); font-weight: 600;
  background: var(--sun-soft); border: 1px solid var(--sun-edge);
  padding: 4px 13px; border-radius: 999px;
}
h1 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.28; letter-spacing: .5px; margin: 14px 0 10px; font-weight: 800; }
.sub { color: var(--ink-soft); font-size: 15px; max-width: 640px; width: 100%; }
.sub strong { color: var(--sun-deep); }

.grid { display: grid; grid-template-columns: minmax(0, 400px) minmax(0, 1fr); gap: 22px; align-items: start; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px;
}
.card-title { font-size: 18px; font-weight: 700; }
.form-card .card-title { margin-bottom: 16px; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 15px; }
.field label { display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.opt { font-weight: 500; font-size: 12px; color: var(--ink-faint); }
.req { font-weight: 500; font-size: 12px; color: var(--sun-deep); }
input, textarea {
  width: 100%; border: 1px solid var(--line); background: #FFFDF9;
  border-radius: 11px; padding: 11px 13px; font-size: 15px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder, textarea::placeholder { color: #B4B0A6; }
input:focus, textarea:focus { border-color: var(--sun-edge); box-shadow: 0 0 0 3px rgba(143, 105, 0, .12); }
textarea { resize: vertical; min-height: 112px; line-height: 1.6; }
.count-row { display: flex; justify-content: space-between; gap: 10px; margin-top: 6px; font-size: 12px; color: var(--ink-faint); }
.hint { font-size: 12px; color: var(--ink-faint); }

.btn {
  border: 0; cursor: pointer; border-radius: 11px; font-weight: 600;
  padding: 11px 22px; font-size: 15px; transition: transform .15s, box-shadow .15s, opacity .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: default; transform: none; }
.btn.primary { background: linear-gradient(135deg, var(--sun), #5F4B11); color: #fff; box-shadow: 0 6px 16px rgba(124, 99, 29, .22); }
.btn.block { width: 100%; }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn.tiny { padding: 4px 10px; font-size: 12px; border-radius: 8px; }
.btn.ghost { background: #fff; border: 1px solid var(--line); color: var(--ink-soft); font-weight: 500; }
.privacy { margin-top: 12px; font-size: 12px; color: var(--ink-faint); }

.code-box {
  margin-top: 16px; padding: 14px;
  background: var(--sun-soft); border: 1px solid var(--sun-edge); border-radius: 12px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.code-box .code-label { font-size: 12px; color: var(--sun-deep); font-weight: 600; }
.code-box code { font-size: 17px; font-weight: 700; letter-spacing: 1.5px; color: var(--sun-deep); background: rgba(255, 255, 255, .7); padding: 2px 8px; border-radius: 6px; }
.code-box .hint { flex-basis: 100%; }

/* ---------- 留言列表 ---------- */
.list-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.stat { font-size: 12px; color: var(--ink-faint); }
.threads { display: flex; flex-direction: column; gap: 14px; }
.empty { color: var(--ink-faint); font-size: 14px; padding: 22px 4px; border: 1px dashed var(--line); border-radius: 12px; text-align: center; }

.thread { border: 1px solid var(--line); border-radius: 14px; padding: 15px 16px; background: #FFFDF9; }
.thread-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.thread-title { font-size: 15px; font-weight: 700; flex: 1; min-width: 0; word-break: break-word; }
.thread-time { font-size: 12px; color: var(--ink-faint); white-space: nowrap; }
.chip { font-size: 12px; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.chip.open { background: var(--sun-soft); color: var(--sun-deep); border: 1px solid var(--sun-edge); }
.chip.answered { background: var(--health-soft); color: var(--health); border: 1px solid #C3DED4; }

.msgs { display: flex; flex-direction: column; gap: 9px; }
.msg { max-width: 92%; }
.msg .meta { font-size: 12px; color: var(--ink-faint); margin-bottom: 3px; }
.bubble {
  padding: 9px 12px; border-radius: 12px; font-size: 14px; white-space: pre-wrap; word-break: break-word; line-height: 1.65;
}
.msg.guest { align-self: flex-end; text-align: right; }
.msg.guest .bubble { background: var(--sun-soft); border: 1px solid var(--sun-edge); color: #3D3213; border-bottom-right-radius: 4px; }
.msg.staff { align-self: flex-start; }
.msg.staff .meta { color: var(--health); font-weight: 600; }
.msg.staff .bubble { background: #fff; border: 1px solid #C3DED4; color: var(--ink); border-bottom-left-radius: 4px; }

.reply { margin-top: 11px; display: flex; gap: 8px; align-items: flex-end; }
.reply textarea { min-height: 52px; padding: 8px 11px; font-size: 14px; }
.reply .btn { flex: none; }

.staff-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 4px 16px; font-size: 12px; color: var(--ink-soft); margin: -3px 0 10px; }
.staff-meta b { font-weight: 600; color: var(--ink); }

/* ---------- 找回 ---------- */
.recover { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 12px; }
.link { background: none; border: 0; color: var(--sun-deep); font-size: 13px; cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px; }
.recover-form { margin-top: 10px; display: flex; gap: 8px; }
.recover-form input { flex: 1; min-width: 0; }
.recover-form .btn { flex: none; white-space: nowrap; }

/* ---------- 雇员 ---------- */
.auth-card { max-width: 460px; }
.auth-tabs { display: flex; gap: 18px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.auth-tab { background: none; border: 0; padding: 8px 2px 10px; cursor: pointer; color: var(--ink-soft); font-size: 15px; position: relative; }
.auth-tab.active { color: var(--ink); font-weight: 700; }
.auth-tab.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--sun); }
.auth-form .btn { margin-top: 6px; }
.msg { margin-top: 12px; font-size: 13px; color: var(--danger); }
.msg.ok { color: var(--health); }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; font-size: 14px; color: var(--ink-soft); cursor: pointer;
}
.filter.active { background: var(--sun-soft); border-color: var(--sun-edge); color: var(--sun-deep); font-weight: 700; }
.filter span { color: inherit; opacity: .75; }
.who { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-soft); }
.staff-threads .thread { background: #fff; }
.staff-threads .thread-head .thread-title { font-size: 16px; }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line); background: var(--bg-soft); }
.foot-inner { display: flex; justify-content: space-between; gap: 16px; padding: 26px 22px; flex-wrap: wrap; }
.foot-brand { font-weight: 700; font-size: 14px; }
.foot-sub { font-size: 12px; color: var(--ink-faint); }
.foot-meta { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-soft); text-align: right; }
.foot-meta a:hover { color: var(--sun-deep); }

/* ---------- 个人主页 ---------- */
.link.back { display: inline-block; margin-bottom: 12px; font-size: 14px; }
.profile-card { max-width: 620px; width: 100%; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px 14px; margin: 14px 0 24px; font-size: 14px; }
.kv dt { color: var(--ink-faint); }
.kv dd { color: var(--ink); word-break: break-all; }
.bind-block { border-top: 1px dashed var(--line); padding-top: 18px; }
.bind-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.bind-form { display: flex; gap: 8px; margin-top: 12px; }
.bind-form input { flex: 1; }
.bind-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.bind-state { font-size: 13px; color: var(--ink-faint); }
.bind-state.ok { color: var(--health); font-weight: 600; }
.howto { margin-top: 16px; font-size: 13px; color: var(--ink-soft); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; }
.howto summary { cursor: pointer; color: var(--sun-deep); font-weight: 600; }
.howto p { margin-top: 8px; line-height: 1.7; }

/* ---------- 轻提示 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px);
  background: #26303B; color: #FFF7E6; padding: 11px 18px; border-radius: 12px;
  font-size: 14px; box-shadow: 0 10px 28px rgba(0, 0, 0, .22);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 100; max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: #7E2A22; }

@media (max-width: 640px) {
  .brand .en, .brand .slash { display: none; }
  .brand .page { font-size: 13px; }
  .nav-inner { gap: 8px; }
  .tab { padding: 5px 11px; font-size: 13px; }
  .main { padding-top: 24px; }
  .card { padding: 18px; }
  .foot-meta { text-align: left; }
  .msg { max-width: 100%; }
  .reply { flex-direction: column; align-items: stretch; }
  .reply .btn { width: 100%; }
}