.mb-lp {
  /* 默认配色，插件后台可覆盖 */
  --mb-navy: #0f2742;
  --mb-navy-soft: #1c3d61;
  --mb-accent: #e8590c;
  --mb-accent-dark: #c94a08;
  --mb-sand: #f6f3ee;
  --mb-line: #e3ddd4;
  --mb-text: #23303c;
  --mb-muted: #6b7a88;
  --mb-green: #1f7a4d;
  --mb-radius: 4px;
  --mb-max: 1140px;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--mb-text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.mb-lp img { max-width: 100%; height: auto; display: block; }

.mb-lp p { margin: 0 0 1em; }
.mb-lp ul, .mb-lp ol { margin: 0 0 1.2em; padding-left: 1.25em; }
.mb-lp li { margin-bottom: 0.4em; }

/* ---------- 容器 ---------- */
.mb-lp .mb-wrap {
  max-width: var(--mb-max);
  margin: 0 auto;
  padding: 0 20px;
}

.mb-lp .mb-section { padding: 56px 0; }
.mb-lp .mb-section--alt { background: var(--mb-sand); }
.mb-lp .mb-section--navy { background: var(--mb-navy); color: #e8eef4; }
.mb-lp .mb-section--navy h2,
.mb-lp .mb-section--navy h3 { color: #fff; }

/* ---------- 标题 ---------- */
.mb-lp h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--mb-navy);
}

.mb-lp h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--mb-navy);
}

.mb-lp h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 28px 0 10px;
  color: var(--mb-navy-soft);
}

.mb-lp h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 20px 0 8px;
  color: var(--mb-navy-soft);
}

.mb-lp .mb-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mb-accent);
  margin-bottom: 12px;
}

.mb-lp .mb-lead {
  font-size: 17px;
  color: #4a5a68;
  max-width: 62ch;
}

.mb-lp .mb-sub {
  color: var(--mb-muted);
  font-size: 15px;
  margin-bottom: 28px;
}

.mb-lp .mb-sec-head { margin-bottom: 32px; }

/* ---------- HERO ---------- */
.mb-lp .mb-hero {
  background: linear-gradient(180deg, #f8f6f2 0%, #ffffff 100%);
  border-bottom: 1px solid var(--mb-line);
  padding: 48px 0 56px;
}

.mb-lp .mb-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .mb-lp .mb-hero__grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- 信任条 ---------- */
.mb-lp .mb-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 26px;
  padding: 0;
  list-style: none;
}

.mb-lp .mb-trust li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--mb-navy-soft);
  margin: 0;
}

.mb-lp .mb-trust li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--mb-green);
  color: #fff;
  font-size: 11px;
  flex: 0 0 18px;
}

/* ---------- 按钮 ---------- */
.mb-lp .mb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  background: var(--mb-accent);
  color: #fff !important;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none !important;
  border: none;
  border-radius: var(--mb-radius);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
  line-height: 1.2;
  text-align: center;
}

.mb-lp .mb-btn:hover { background: var(--mb-accent-dark); }
.mb-lp .mb-btn:active { transform: translateY(1px); }

.mb-lp .mb-btn--lg { padding: 17px 32px; font-size: 16px; width: 100%; }

.mb-lp .mb-btn--ghost {
  background: transparent;
  color: var(--mb-navy) !important;
  border: 2px solid var(--mb-navy);
}

.mb-lp .mb-btn--ghost:hover { background: var(--mb-navy); color: #fff !important; }

.mb-lp .mb-btn--wa {
  background: #25d366;
  color: #0b2b18 !important;
}

.mb-lp .mb-btn--wa:hover { background: #1eb955; }

.mb-lp .mb-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.mb-lp .mb-cta-note {
  font-size: 13px;
  color: var(--mb-muted);
  margin-top: 12px;
}

/* ---------- 表格 ---------- */
.mb-lp .mb-table-wrap {
  overflow-x: auto;
  margin: 0 0 24px;
  border: 1px solid var(--mb-line);
  border-radius: var(--mb-radius);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.mb-lp table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 480px;
}

.mb-lp thead th {
  background: var(--mb-navy);
  color: #fff;
  text-align: left;
  font-weight: 600;
  padding: 12px 14px;
  font-size: 13px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.mb-lp tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--mb-line);
  vertical-align: top;
}

.mb-lp tbody tr:last-child td { border-bottom: none; }
.mb-lp tbody tr:nth-child(even) { background: #fbfaf8; }
.mb-lp tbody tr:hover { background: #f4f1ec; }

.mb-lp td strong { color: var(--mb-navy-soft); }

/* ---------- 卡片网格 ---------- */
.mb-lp .mb-grid {
  display: grid;
  gap: 20px;
}

.mb-lp .mb-grid--3 { grid-template-columns: repeat(3, 1fr); }
.mb-lp .mb-grid--2 { grid-template-columns: repeat(2, 1fr); }
.mb-lp .mb-grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .mb-lp .mb-grid--3,
  .mb-lp .mb-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .mb-lp .mb-grid--2,
  .mb-lp .mb-grid--3,
  .mb-lp .mb-grid--4 { grid-template-columns: 1fr; }
}

.mb-lp .mb-card {
  background: #fff;
  border: 1px solid var(--mb-line);
  border-radius: var(--mb-radius);
  padding: 22px;
}

.mb-lp .mb-card h3 { margin-top: 0; font-size: 16px; }
.mb-lp .mb-card p:last-child { margin-bottom: 0; }
.mb-lp .mb-card ul { margin-bottom: 0; font-size: 14px; }

.mb-lp .mb-card--num {
  position: relative;
  padding-top: 26px;
}

.mb-lp .mb-card--num::before {
  content: attr(data-num);
  position: absolute;
  top: -12px;
  left: 22px;
  background: var(--mb-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 2px;
}

/* ---------- 特性列表 ---------- */
.mb-lp .mb-list-check {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.mb-lp .mb-list-check li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 9px;
  font-size: 15px;
}

.mb-lp .mb-list-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--mb-green);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.mb-lp .mb-faq {
  border-top: 1px solid var(--mb-line);
  max-width: 820px;
}

.mb-lp .mb-faq details {
  border-bottom: 1px solid var(--mb-line);
  padding: 0;
}

.mb-lp .mb-faq details[open] { background: #fbfaf8; }

.mb-lp .mb-faq summary {
  cursor: pointer;
  padding: 18px 40px 18px 4px;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--mb-navy);
  list-style: none;
  position: relative;
}

.mb-lp .mb-faq summary::-webkit-details-marker { display: none; }

.mb-lp .mb-faq summary::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--mb-accent);
  line-height: 1;
}

.mb-lp .mb-faq details[open] summary::after { content: "−"; }

.mb-lp .mb-faq .mb-faq__body {
  padding: 0 40px 20px 4px;
  font-size: 15px;
  color: #46545f;
}

.mb-lp .mb-faq .mb-faq__body p:last-child { margin-bottom: 0; }

/* ---------- 表单 ---------- */
.mb-lp .mb-form-card {
  background: #fff;
  border: 1px solid var(--mb-line);
  border-top: 4px solid var(--mb-accent);
  border-radius: var(--mb-radius);
  padding: 26px;
  box-shadow: 0 8px 28px rgba(15, 39, 66, 0.07);
}

.mb-lp .mb-form-card h3 {
  margin: 0 0 6px;
  font-size: 19px;
  color: var(--mb-navy);
}

.mb-lp .mb-form-card .mb-form-sub {
  font-size: 13.5px;
  color: var(--mb-muted);
  margin: 0 0 18px;
}

.mb-lp .mb-field { margin-bottom: 14px; }

.mb-lp .mb-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--mb-navy-soft);
  margin-bottom: 5px;
}

.mb-lp .mb-field .mb-req { color: var(--mb-accent); }

.mb-lp .mb-field input[type="text"],
.mb-lp .mb-field input[type="email"],
.mb-lp .mb-field input[type="tel"],
.mb-lp .mb-field select,
.mb-lp .mb-field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #cfd6dd;
  border-radius: 3px;
  font-size: 16px; /* iOS 不自动放大 */
  font-family: inherit;
  color: var(--mb-text);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mb-lp .mb-field input:focus,
.mb-lp .mb-field select:focus,
.mb-lp .mb-field textarea:focus {
  outline: none;
  border-color: var(--mb-accent);
  box-shadow: 0 0 0 3px rgba(232, 89, 12, 0.12);
}

.mb-lp .mb-field textarea { resize: vertical; min-height: 76px; }

.mb-lp .mb-field--row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .mb-lp .mb-field--row { grid-template-columns: 1fr; }
}

.mb-lp .mb-form-note {
  font-size: 12px;
  color: var(--mb-muted);
  margin: 12px 0 0;
  text-align: center;
}

.mb-lp .mb-rep {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--mb-line);
}

.mb-lp .mb-rep__av {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--mb-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex: 0 0 38px;
}

.mb-lp .mb-rep__t { font-size: 13px; line-height: 1.35; }
.mb-lp .mb-rep__t b { display: block; color: var(--mb-navy); font-size: 13.5px; }
.mb-lp .mb-rep__t span { color: var(--mb-muted); }

/* ---------- 统计条 ---------- */
.mb-lp .mb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--mb-line);
  border: 1px solid var(--mb-line);
  border-radius: var(--mb-radius);
  overflow: hidden;
}

@media (max-width: 700px) {
  .mb-lp .mb-stats { grid-template-columns: repeat(2, 1fr); }
}

.mb-lp .mb-stat {
  background: #fff;
  padding: 20px 14px;
  text-align: center;
}

.mb-lp .mb-stat b {
  display: block;
  font-size: 26px;
  color: var(--mb-navy);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.mb-lp .mb-stat span {
  font-size: 12.5px;
  color: var(--mb-muted);
  display: block;
  margin-top: 5px;
}

/* ---------- 引用 / 提示 ---------- */
.mb-lp .mb-note {
  border-left: 3px solid var(--mb-accent);
  background: #fdf6f1;
  padding: 14px 18px;
  font-size: 14px;
  margin: 0 0 22px;
  border-radius: 0 var(--mb-radius) var(--mb-radius) 0;
}

.mb-lp .mb-note p:last-child { margin-bottom: 0; }

.mb-lp .mb-note--navy {
  background: rgba(255, 255, 255, 0.07);
  border-left-color: var(--mb-accent);
  color: #c8d6e3;
}

/* ---------- 步骤流程 ---------- */
.mb-lp .mb-steps {
  list-style: none;
  padding: 0;
  counter-reset: mbstep;
  margin: 0;
}

.mb-lp .mb-steps li {
  counter-increment: mbstep;
  position: relative;
  padding: 0 0 22px 48px;
  margin: 0;
  border-left: 2px solid var(--mb-line);
  margin-left: 16px;
}

.mb-lp .mb-steps li:last-child { border-left-color: transparent; padding-bottom: 0; }

.mb-lp .mb-steps li::before {
  content: counter(mbstep);
  position: absolute;
  left: -17px;
  top: -2px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--mb-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.mb-lp .mb-steps b { display: block; color: var(--mb-navy); margin-bottom: 2px; }
.mb-lp .mb-steps span { font-size: 14px; color: #4d5b67; }

/* ---------- 机型兼容 ---------- */
.mb-lp .mb-brands {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.mb-lp .mb-brands li {
  background: #fff;
  border: 1px solid var(--mb-line);
  border-radius: 3px;
  padding: 7px 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mb-navy-soft);
  margin: 0;
}

/* ---------- 相关链接 ---------- */
.mb-lp .mb-related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
  margin: 0;
}

.mb-lp .mb-related li { margin: 0; }

.mb-lp .mb-related a {
  display: block;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--mb-line);
  border-radius: var(--mb-radius);
  text-decoration: none;
  color: var(--mb-navy);
  font-size: 14px;
  font-weight: 600;
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.mb-lp .mb-related a:hover {
  border-color: var(--mb-accent);
  transform: translateY(-1px);
}

.mb-lp .mb-related a span {
  display: block;
  font-weight: 400;
  font-size: 12.5px;
  color: var(--mb-muted);
  margin-top: 3px;
}

/* ---------- 页脚 CTA 条 ---------- */
.mb-lp .mb-final {
  background: var(--mb-navy);
  color: #dbe6f0;
  padding: 48px 0;
  text-align: center;
}

.mb-lp .mb-final h2 { color: #fff; margin-bottom: 10px; }
.mb-lp .mb-final p { color: #a9bccd; max-width: 56ch; margin: 0 auto 24px; }

.mb-lp .mb-final .mb-cta-row { justify-content: center; }

/* ---------- 移动端固定联系条 ---------- */
.mb-lp .mb-mobilebar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #fff;
  border-top: 1px solid var(--mb-line);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  gap: 8px;
}

@media (max-width: 768px) {
  .mb-lp .mb-mobilebar { display: flex; }
  .mb-lp { padding-bottom: 64px; }
}

.mb-lp .mb-mobilebar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 6px;
  border-radius: 3px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none !important;
  background: #f2efea;
  color: var(--mb-navy) !important;
}

.mb-lp .mb-mobilebar a.mb-wa {
  background: #25d366;
  color: #0b2b18 !important;
}

/* ---------- 工具类 ---------- */
.mb-lp .mb-mb0 { margin-bottom: 0 !important; }
.mb-lp .mb-mt24 { margin-top: 24px; }
.mb-lp .mb-center { text-align: center; }
.mb-lp .mb-small { font-size: 13px; color: var(--mb-muted); }

/* ---------- 打印 ---------- */
@media print {
  .mb-lp .mb-mobilebar,
  .mb-lp .mb-form-card { display: none !important; }
}