/* ============================================================
   服务与支持中心 - Public Portal Stylesheet
   Design tokens per specification: deep navy header, light blue
   page background, white cards, tech blue accent.
   ============================================================ */

:root {
  --pub-navy: #061b38;
  --pub-navy-2: #071d3a;
  --pub-bg: #f7f9fc;
  --pub-bg-alt: #f8fafd;
  --pub-card: #ffffff;
  --pub-ink: #10213f;
  --pub-muted: #60708a;
  --pub-line: #e3eaf3;
  --pub-primary: #2563eb;
  --pub-primary-soft: #eaf1fe;
  --pub-ok: #16a365;
  --pub-ok-soft: #e6f6ef;
  --pub-warn: #d99016;
  --pub-warn-soft: #fbf2e1;
  --pub-danger: #dc3f45;
  --pub-danger-soft: #fbeaeb;
  --pub-radius-card: 10px;
  --pub-radius-control: 8px;
  --pub-header-h: 70px;
  --pub-shadow: 0 1px 2px rgba(16, 33, 63, 0.04), 0 4px 14px rgba(16, 33, 63, 0.06);
  --pub-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
    "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--pub-font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--pub-ink);
  background: var(--pub-bg);
}

a { color: var(--pub-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.pub-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================= Header ================= */
.pub-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--pub-header-h);
  background: linear-gradient(180deg, var(--pub-navy) 0%, var(--pub-navy-2) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pub-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.pub-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.pub-brand:hover { color: #ffffff; text-decoration: none; }

.pub-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #9cc0ff;
  flex: 0 0 auto;
}
.pub-brand-mark svg { width: 17px; height: 17px; }

.pub-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 100%;
}
.pub-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.pub-nav a:hover { color: #ffffff; text-decoration: none; }
.pub-nav a.is-active {
  color: #ffffff;
  border-bottom-color: #7fa8ff;
}

.pub-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 9px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}
.pub-nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: #ffffff;
  transition: transform 0.2s, opacity 0.2s;
}
.pub-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.pub-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.pub-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= Main / Footer ================= */
.pub-main {
  min-height: calc(100vh - var(--pub-header-h) - 60px);
}

.pub-footer {
  background: linear-gradient(180deg, var(--pub-navy) 0%, var(--pub-navy-2) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
  min-height: 60px;
}
.pub-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.pub-footer-link { font-size: 13px; color: #9cc0ff; }
.pub-footer-link:hover { color: #ffffff; }

/* ================= Page scaffolding ================= */
.pub-page { padding: 44px 0 64px; }

.pub-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}
.pub-page-title {
  margin: 0 0 8px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.25;
}
.pub-page-sub {
  margin: 0;
  font-size: 15px;
  color: var(--pub-muted);
}

.pub-status-illus {
  flex: 0 0 auto;
  width: 240px;
}
.pub-status-illus svg { display: block; width: 100%; height: auto; }

/* ================= Overall status banner ================= */
.pub-overall {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--pub-card);
  border: 1px solid var(--pub-line);
  border-left: 4px solid var(--pub-ok);
  border-radius: var(--pub-radius-card);
  box-shadow: var(--pub-shadow);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.pub-overall-degraded { border-left-color: var(--pub-warn); }
.pub-overall-unavailable { border-left-color: var(--pub-danger); }

.pub-overall-dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pub-ok);
}
.pub-overall-degraded .pub-overall-dot { background: var(--pub-warn); }
.pub-overall-unavailable .pub-overall-dot { background: var(--pub-danger); }

.pub-overall-body { flex: 1 1 auto; min-width: 0; }
.pub-overall-title { font-size: 19px; font-weight: 600; }
.pub-overall-degraded .pub-overall-title { color: var(--pub-warn); }
.pub-overall-unavailable .pub-overall-title { color: var(--pub-danger); }
.pub-overall-detail { font-size: 14px; color: var(--pub-muted); margin-top: 2px; }

.pub-overall-checked {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--pub-muted);
  text-align: right;
}

/* ================= Cards ================= */
.pub-card {
  background: var(--pub-card);
  border: 1px solid var(--pub-line);
  border-radius: var(--pub-radius-card);
  box-shadow: var(--pub-shadow);
  padding: 26px 28px;
  margin-bottom: 24px;
}
.pub-card-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
}

/* ================= Status table ================= */
.pub-table-wrap { overflow-x: auto; }
.pub-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.pub-table th {
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--pub-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--pub-line);
  white-space: nowrap;
}
.pub-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--pub-line);
  vertical-align: middle;
}
.pub-table tbody tr:last-child td { border-bottom: none; }

.pub-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}
.pub-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}
.pub-status-normal { color: var(--pub-ok); background: var(--pub-ok-soft); }
.pub-status-degraded { color: var(--pub-warn); background: var(--pub-warn-soft); }
.pub-status-unavailable { color: var(--pub-danger); background: var(--pub-danger-soft); }

/* ================= Info cards (incidents / maintenance) ================= */
.pub-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.pub-info-card { margin-bottom: 0; }
.pub-info-title { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.pub-info-text { margin: 0 0 10px; font-size: 14px; color: var(--pub-muted); }
.pub-info-link { font-size: 14px; font-weight: 500; }

/* ================= Toolbar / inputs / chips ================= */
.pub-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.pub-input {
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--pub-line);
  border-radius: var(--pub-radius-control);
  background: var(--pub-card);
  font-family: inherit;
  font-size: 14px;
  color: var(--pub-ink);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.pub-input:focus {
  border-color: var(--pub-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.pub-input-search { width: 300px; max-width: 100%; }

.pub-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.pub-chip {
  height: 34px;
  padding: 0 16px;
  border: 1px solid var(--pub-line);
  border-radius: var(--pub-radius-control);
  background: var(--pub-card);
  color: var(--pub-muted);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.pub-chip:hover { border-color: var(--pub-primary); color: var(--pub-primary); }
.pub-chip.is-active {
  border-color: var(--pub-primary);
  background: var(--pub-primary-soft);
  color: var(--pub-primary);
  font-weight: 500;
}

/* ================= List ================= */
.pub-list { display: flex; flex-direction: column; gap: 12px; }
.pub-list-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--pub-card);
  border: 1px solid var(--pub-line);
  border-radius: var(--pub-radius-card);
  box-shadow: var(--pub-shadow);
  padding: 18px 22px;
}
.pub-list-main { flex: 1 1 auto; min-width: 0; }
.pub-list-title { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.pub-list-summary { margin: 0; font-size: 14px; color: var(--pub-muted); }
.pub-list-date {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--pub-muted);
  white-space: nowrap;
  padding-top: 3px;
}

.pub-badge {
  flex: 0 0 auto;
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  margin-top: 2px;
}
.pub-badge-maintenance { color: var(--pub-primary); background: var(--pub-primary-soft); }
.pub-badge-update { color: var(--pub-ok); background: var(--pub-ok-soft); }
.pub-badge-notice { color: var(--pub-warn); background: var(--pub-warn-soft); }

/* ================= Empty state ================= */
.pub-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 56px 24px;
  background: var(--pub-card);
  border: 1px dashed var(--pub-line);
  border-radius: var(--pub-radius-card);
  color: var(--pub-muted);
  text-align: center;
}
.pub-empty svg { width: 40px; height: 40px; }
.pub-empty p { margin: 0; font-size: 15px; }

/* ================= Help center ================= */
.pub-help-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: start;
}
.pub-help-side {
  background: var(--pub-card);
  border: 1px solid var(--pub-line);
  border-radius: var(--pub-radius-card);
  box-shadow: var(--pub-shadow);
  padding: 20px 16px;
  position: sticky;
  top: calc(var(--pub-header-h) + 20px);
}
.pub-help-side-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--pub-muted);
  padding: 0 10px 10px;
  border-bottom: 1px solid var(--pub-line);
  margin-bottom: 8px;
}
.pub-help-nav { display: flex; flex-direction: column; gap: 2px; }
.pub-help-nav-link {
  display: block;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  font-size: 14px;
  color: var(--pub-ink);
}
.pub-help-nav-link:hover {
  text-decoration: none;
  background: var(--pub-bg-alt);
  color: var(--pub-primary);
}
.pub-help-nav-link.is-active {
  border-left-color: var(--pub-primary);
  background: var(--pub-primary-soft);
  color: var(--pub-primary);
  font-weight: 500;
}
.pub-help-main { min-width: 0; }
.pub-help-section-title { margin: 4px 0 14px; font-size: 18px; font-weight: 600; }

.pub-help-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding: 24px;
  background: var(--pub-card);
  border: 1px solid var(--pub-line);
  border-radius: var(--pub-radius-card);
  box-shadow: var(--pub-shadow);
}
.pub-help-foot p { margin: 0; font-size: 15px; color: var(--pub-ink); }

/* ================= Buttons / links ================= */
.pub-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 22px;
  border-radius: var(--pub-radius-control);
  background: var(--pub-primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--pub-primary);
  cursor: pointer;
  transition: background 0.15s;
}
.pub-btn:hover { background: #1d4fc4; color: #ffffff; text-decoration: none; }
.pub-link { font-size: 14px; word-break: break-all; }

/* ================= Support page ================= */
.pub-support-layout {
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: 24px;
  align-items: start;
}
.pub-support-channels .pub-card-title { margin-bottom: 10px; }

.pub-channel {
  padding: 16px 0;
  border-bottom: 1px solid var(--pub-line);
}
.pub-channel:last-of-type { border-bottom: none; padding-bottom: 4px; }
.pub-channel-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.pub-channel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--pub-primary-soft);
  color: var(--pub-primary);
  flex: 0 0 auto;
}
.pub-channel-icon svg { width: 19px; height: 19px; }
.pub-channel-title { font-size: 15px; font-weight: 600; }
.pub-channel-tag {
  display: inline-block;
  margin-top: 3px;
  padding: 1px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--pub-ok);
  background: var(--pub-ok-soft);
}
.pub-channel-desc { margin: 0 0 10px; font-size: 13px; color: var(--pub-muted); }
.pub-channel .pub-btn { min-height: 36px; padding: 0 18px; }

.pub-support-info { padding: 26px 28px; }
.pub-support-text { margin: 0 0 18px; font-size: 14px; color: var(--pub-muted); }
.pub-support-steps { display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.pub-step { display: flex; gap: 12px; align-items: flex-start; }
.pub-step-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--pub-primary-soft);
  color: var(--pub-primary);
  font-size: 13px;
  font-weight: 600;
}
.pub-step-title { font-size: 14px; font-weight: 600; }
.pub-step-desc { margin: 2px 0 0; font-size: 13px; color: var(--pub-muted); }
/* ================= 404 ================= */
.pub-404 { padding: 80px 24px 90px; text-align: center; }
.pub-404-code { font-size: 68px; font-weight: 700; color: var(--pub-primary); line-height: 1; margin-bottom: 14px; }
.pub-404-title { font-size: 25px; font-weight: 600; margin: 0 0 10px; }
.pub-404-sub { font-size: 15px; color: var(--pub-muted); margin: 0 0 28px; }

/* ================= Responsive ================= */
@media (max-width: 768px) {
  .pub-container { padding: 0 18px; }

  .pub-nav {
    position: absolute;
    top: var(--pub-header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    background: var(--pub-navy-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px 12px 12px;
    display: none;
  }
  .pub-nav.is-open { display: flex; }
  .pub-nav a {
    height: auto;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    font-size: 15px;
  }
  .pub-nav a:last-child { border-bottom: none; }
  .pub-nav a.is-active { border-bottom: 1px solid rgba(255, 255, 255, 0.08); background: rgba(255, 255, 255, 0.08); }
  .pub-nav-toggle { display: flex; }

  .pub-page { padding: 34px 0 48px; }
  .pub-page-title { font-size: 28px; }
  .pub-status-illus { display: none; }

  .pub-info-grid { grid-template-columns: 1fr; gap: 16px; }

  .pub-help-layout { grid-template-columns: 1fr; }
  .pub-help-side { position: static; padding: 14px; }
  .pub-help-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .pub-help-nav-link {
    border-left: none;
    border-radius: 6px;
    padding: 7px 12px;
    background: var(--pub-bg-alt);
    color: var(--pub-muted);
  }
  .pub-help-nav-link.is-active {
    border-left: none;
    background: var(--pub-primary-soft);
    color: var(--pub-primary);
  }

  .pub-support-layout { grid-template-columns: 1fr; }
  .pub-toolbar { flex-direction: column; align-items: stretch; }
  .pub-input-search { width: 100%; }
  .pub-list-item { flex-wrap: wrap; }
  .pub-list-date { width: 100%; padding-top: 0; }
}

@media (max-width: 390px) {
  .pub-container { padding: 0 14px; }
  .pub-brand-name { font-size: 15px; }
  .pub-page-title { font-size: 25px; }
  .pub-overall { flex-wrap: wrap; gap: 10px; padding: 16px 18px; }
  .pub-overall-checked { text-align: left; width: 100%; }
  .pub-card { padding: 20px 16px; }
  .pub-list-item { padding: 15px 16px; gap: 12px; }
  .pub-404 { padding: 60px 16px 70px; }
}

@media (max-width: 560px) {
  /* Stack the status table into cards on narrow screens: no page overflow. */
  .pub-table-wrap { overflow: visible; }
  .pub-table thead { display: none; }
  .pub-table,
  .pub-table tbody,
  .pub-table tr,
  .pub-table td { display: block; width: 100%; }
  .pub-table tr {
    border: 1px solid var(--pub-line);
    border-radius: var(--pub-radius-card);
    padding: 8px 14px;
    margin-bottom: 10px;
    background: var(--pub-bg-alt);
  }
  .pub-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--pub-line);
    padding: 8px 0;
    text-align: right;
  }
  .pub-table td:last-child { border-bottom: none; }
  .pub-table td::before {
    content: attr(data-label);
    font-size: 12px;
    color: var(--pub-muted);
    flex: 0 0 auto;
  }
  .pub-table td > span { justify-content: flex-end; }
}