*, *::before, *::after { box-sizing: border-box; }

:root {
  --blue: #3b6ef6;
  --blue-d: #2b57d0;
  --ink: #16202e;
  --ink-2: #5b6b82;
  --ink-3: #8b9ab0;
  --line: #e4e9f2;
  --bg: #f5f7fb;
  --white: #fff;
  --green: #1aa06d;
  --red: #e2504a;
  --amber: #d98817;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 16px 40px;
}
.wrap.narrow { max-width: 420px; }

.hd {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0 18px;
}
.logo {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: linear-gradient(140deg, #4f83ff, #2b57d0);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex: none;
  box-shadow: 0 6px 16px rgba(59, 110, 246, .28);
}
.hdtxt h1 { margin: 0; font-size: 19px; letter-spacing: .2px; }
.hdtxt p { margin: 2px 0 0; font-size: 12.5px; color: var(--ink-3); }

.notice {
  background: #eef3ff;
  border: 1px solid #d7e2ff;
  color: #2b4a8f;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 11px;
  margin-bottom: 14px;
}

.card {
  background: var(--white);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: 0 2px 10px rgba(22, 32, 46, .05);
  border: 1px solid rgba(228, 233, 242, .8);
}
.card h2 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }

.inp {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: #fbfcfe;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  margin-bottom: 10px;
}
.inp:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59, 110, 246, .13); background: #fff; }
.inp.txt { resize: vertical; line-height: 1.5; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 11px;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  transition: transform .08s, background .15s, border-color .15s;
  user-select: none;
}
.btn:active { transform: scale(.98); }
.btn.primary {
  width: 100%;
  background: linear-gradient(180deg, #4f83ff, #3364e8);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(59, 110, 246, .26);
}
.btn.primary:hover { background: linear-gradient(180deg, #5b8bff, #3a6bf0); }
.btn.tiny { padding: 6px 11px; font-size: 12.5px; border-radius: 8px; }
.btn.ghost { background: #f2f5fa; border-color: transparent; color: var(--ink-2); }
.btn.small { padding: 8px 14px; font-size: 13.5px; }

.msg { font-size: 13px; min-height: 18px; margin-top: 4px; word-break: break-all; }
.msg.err { color: var(--red); }
.msg.ok { color: var(--green); }

.links { margin-top: 12px; display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; }
.lnk { color: var(--blue); text-decoration: none; }
.lnk:hover { text-decoration: underline; }

.bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.tag {
  font-size: 12px;
  background: #eef3ff;
  color: var(--blue-d);
  padding: 4px 10px;
  border-radius: 7px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  max-width: 70%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kv { display: flex; gap: 10px; margin-bottom: 16px; }
.kv > div {
  flex: 1;
  background: #f7f9fd;
  border-radius: 11px;
  padding: 10px 12px;
}
.kv span { display: block; font-size: 11.5px; color: var(--ink-3); }
.kv b { font-size: 14px; font-weight: 600; }

.hint { font-size: 12.5px; color: var(--ink-3); margin: 0 0 10px; }

.phonebox {
  background: linear-gradient(150deg, #f3f7ff, #eef4ff);
  border: 1px solid #dde7fb;
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 14px;
}
.ph-label { font-size: 11.5px; color: var(--ink-3); }
.ph-num {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  color: #1d3f97;
  margin: 2px 0 10px;
}
.ph-actions { display: flex; gap: 8px; }

.codebox {
  border: 1px dashed #cfdcf2;
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  background: #fcfdff;
}
.code-label { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; justify-content: center; gap: 7px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: #c8d3e3; display: inline-block; }
.dot.live { background: var(--green); animation: pulse 1.4s infinite; }
.dot.err { background: var(--red); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
.code-val {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 5px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  color: var(--blue-d);
  margin: 8px 0 4px;
  min-height: 44px;
}
.code-text { font-size: 12.5px; color: var(--ink-2); word-break: break-all; }

.ft { text-align: center; font-size: 11.5px; color: #a9b5c7; padding-top: 12px; }

.hidden { display: none !important; }

/* ------- 管理端 ------- */
body.admin .wrap { max-width: 980px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tab {
  padding: 8px 14px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13.5px;
  cursor: pointer;
  color: var(--ink-2);
  font-family: inherit;
}
.tab.active { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.stat {
  background: #fff;
  border-radius: 13px;
  padding: 14px;
  text-align: center;
  border: 1px solid rgba(228, 233, 242, .9);
}
.stat b { display: block; font-size: 24px; color: var(--blue-d); }
.stat span { font-size: 12px; color: var(--ink-3); }

.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.row3 label { font-size: 12px; color: var(--ink-2); }
.row3 .inp { margin-bottom: 8px; }

.listhead { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.listhead h2 { margin: 0; }
.listhead .inp { margin-bottom: 0; flex: 1; }

.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 8px; text-align: left; border-bottom: 1px solid #eef2f8; white-space: nowrap; }
th { font-size: 12px; color: var(--ink-3); font-weight: 500; background: #fafcff; }
td.mono, .mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
tbody tr:hover { background: #fafcff; }

.pill { padding: 2px 8px; border-radius: 6px; font-size: 11.5px; }
.pill.free { background: #eaf7f1; color: var(--green); }
.pill.busy { background: #fff3e2; color: var(--amber); }
.pill.off { background: #f1f3f7; color: var(--ink-3); }
.pill.ok { background: #eaf7f1; color: var(--green); }

@media (max-width: 560px) {
  .row3 { grid-template-columns: 1fr; }
  .code-val { font-size: 29px; letter-spacing: 4px; }
  .ph-num { font-size: 21px; }
}

/* 全局设置新增元素 */
.doc-img { max-width: 100%; border-radius: 8px; margin: 10px 0; display: block; }
.lnk-btn { display: inline-block; margin: 4px 6px 4px 0; text-decoration: none; }
.kefu { font-size: 12px; color: #64748b; margin-left: 6px; }

/* ------- 客户接码页（原版风格） ------- */
.page-title { margin: 2px 0 14px; font-size: 21px; font-weight: 700; letter-spacing: .3px; }
.login-row { display: flex; gap: 8px; }
.login-row .inp { margin-bottom: 0; flex: 1; }
.login-row .btn.primary { width: auto; flex: none; padding: 12px 26px; }

.warnbar {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fa5a3c;
  border: none;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
  width: fit-content;
}
.warnbar a { color: #fff; font-weight: 600; cursor: pointer; text-decoration: underline; margin-left: 2px; }

.row { display: flex; align-items: baseline; margin: 7px 0; font-size: 15px; }
.row .lbl { color: var(--ink-2); flex: none; }
.row b { font-size: 16px; letter-spacing: .5px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.code-none { color: var(--red); font-weight: 600; }
.code-got {
  color: var(--blue-d);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 3px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}

.btn.big { margin: 12px 0 0; padding: 13px 18px; font-size: 15.5px; }
.btn.half { flex: 1; text-align: center; text-decoration: none; padding: 11px 10px; font-size: 14px; }
.btn2row { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.btn2row:empty { display: none; }

.how-title { text-align: center; color: var(--ink-3); font-size: 13px; margin: 22px 0 8px; }
.how-text { font-size: 13.5px; color: var(--ink-2); margin: 6px 0; word-break: break-all; }
.kefu { font-size: 12.5px; color: var(--ink-3); margin: 10px 0 0; }

.bottom-bar { margin-top: 20px; padding-top: 12px; border-top: 1px solid var(--line); }
.poll-mini { font-size: 12px; color: var(--ink-3); flex: 1; text-align: center; }

/* 视频教程弹窗（居中小窗，黑框贴合视频宽度） */
.video-mask {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(0, 0, 0, 0.65);
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
}
.video-mask.hidden { display: none; }
.video-box {
  position: relative;
  background: #000; border-radius: 10px; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  display: flex; align-items: center; justify-content: center;
}
.video-box video { display: block; max-width: 92vw; max-height: 82vh; width: auto; height: auto; }
.video-close {
  position: absolute; top: 6px; right: 8px; z-index: 2;
  width: 32px; height: 32px; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, 0.15); color: #fff;
  font-size: 22px; line-height: 1; cursor: pointer;
}
.video-close:hover { background: rgba(255, 255, 255, 0.3); }

/* 卡密未绑定号码提示 */
#no-phone-tip {
  margin: 10px 0 4px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff4e5;
  border: 1px solid #ffd8a8;
  color: #b5560a;
  font-size: 14px;
  line-height: 1.5;
}