/* OPC圈子 · 运营素材库 */
.mt-hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1100px 420px at 12% -10%, rgba(30, 94, 255, 0.42), transparent 60%),
    radial-gradient(900px 380px at 88% 0%, rgba(107, 70, 229, 0.34), transparent 62%),
    linear-gradient(160deg, #0a1120, #101c33 55%, #0b1424);
  color: #fff;
  padding: 54px 0 44px;
}
.mt-hero .wrap { position: relative; z-index: 1; }
.mt-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #c7d6ff;
  background: rgba(30, 94, 255, 0.16);
  border: 1px solid rgba(120, 160, 255, 0.34);
  border-radius: 999px;
  padding: 5px 13px;
}
.mt-hero h1 { font-size: 38px; line-height: 1.22; margin: 16px 0 12px; letter-spacing: -0.02em; }
.mt-hero h1 em { font-style: normal; color: #8fb4ff; }
.mt-hero p.lead { font-size: 15px; line-height: 1.85; color: rgba(255, 255, 255, 0.76); max-width: 660px; margin: 0; }
.mt-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.mt-stats span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 8px 14px;
}
.mt-stats b { color: #fff; font-size: 16px; margin-right: 3px; }

.mt-body { padding: 30px 0 60px; }

/* 使用说明 */
.mt-guide {
  display: grid;
  grid-template-columns: repeat(3, 1fr) 1.15fr;
  gap: 12px;
  margin-bottom: 26px;
}
.mt-guide-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 17px;
}
.mt-guide-item b { display: block; font-size: 14px; color: var(--ink); margin-bottom: 6px; }
.mt-guide-item span { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }
.mt-guide-item i { font-style: normal; font-size: 17px; margin-right: 6px; }
.mt-warn {
  background: linear-gradient(150deg, #fff8ea, #fffdf7);
  border: 1px solid #f5e2bd;
  border-radius: var(--radius);
  padding: 15px 17px;
  font-size: 12.5px;
  color: #7c5314;
  line-height: 1.75;
}
.mt-warn b { display: block; font-size: 13.5px; color: #a8620a; margin-bottom: 5px; }

/* 筛选 */
.mt-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.mt-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: 0.15s;
}
.mt-chip b { font-size: 11.5px; color: var(--ink-4); font-weight: 600; }
.mt-chip:hover { border-color: var(--brand-soft-2); color: var(--brand); }
.mt-chip.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.mt-chip.on b { color: rgba(255, 255, 255, 0.55); }

/* 文案卡 */
.mt-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(390px, 1fr));
  gap: 14px;
}
.mt-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px 16px;
  display: flex;
  flex-direction: column;
  transition: 0.18s;
}
.mt-card:hover { border-color: var(--brand-soft-2); box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07); }
.mt-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mt-tag {
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 10px;
  background: var(--brand-soft);
  color: var(--brand);
}
.mt-tag-real { background: #e8f7ee; color: #0f7a3d; }
.mt-tag-recruit { background: #fff1e4; color: #b8530a; }
.mt-tag-course { background: var(--brand-soft); color: var(--brand); }
.mt-tag-policy { background: #eef2f7; color: #41536b; }
.mt-tag-chat { background: var(--purple-soft); color: var(--purple); }
.mt-tag-daily { background: #fdf2f8; color: #9d2a68; }
.mt-no { font-size: 11.5px; color: var(--ink-4); font-family: ui-monospace, Menlo, monospace; }
.mt-card h3 { font-size: 15.5px; line-height: 1.5; margin: 10px 0 6px; color: var(--ink); }
.mt-scene { font-size: 12px; color: var(--ink-3); margin-bottom: 10px; }
.mt-text {
  margin: 0;
  padding: 13px 14px;
  background: #f8fafd;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 268px;
  overflow-y: auto;
  flex: 1;
}
.mt-text::-webkit-scrollbar { width: 5px; }
.mt-text::-webkit-scrollbar-thumb { background: #d7dee9; border-radius: 4px; }
.mt-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 11.5px;
  color: var(--ink-4);
  margin: 10px 2px 12px;
}
.mt-meta span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mt-acts { display: flex; gap: 8px; }
.mt-btn {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  border-radius: 9px;
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s;
  font-family: inherit;
}
.mt-btn:hover { border-color: var(--brand); color: var(--brand); }
.mt-btn-main { flex: 1; background: var(--ink); border-color: var(--ink); color: #fff; }
.mt-btn-main:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.mt-btn.ok { background: var(--ok) !important; border-color: var(--ok) !important; color: #fff !important; }
.mt-btn-ghost { text-decoration: none; display: inline-flex; align-items: center; }
.mt-btn-sm { padding: 6px 12px; font-size: 12px; }
.mt-tip {
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.7;
}

/* 分节标题 */
.mt-sec { margin-top: 42px; }
.mt-sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.mt-sec-head h2 { font-size: 22px; margin: 0 0 6px; color: var(--ink); }
.mt-sec-head h2 span { margin-right: 6px; }
.mt-sec-head p { margin: 0; font-size: 13px; color: var(--ink-3); line-height: 1.7; }
.mt-sec-head .mt-sub { font-size: 12px; color: var(--ink-4); }

/* 链接池 */
.mt-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.mt-link {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.mt-link:hover { border-color: var(--brand-soft-2); }
.mt-qr {
  flex-shrink: 0;
  width: 92px;
  height: 92px;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mt-qr img, .mt-qr canvas { display: block; width: 92px !important; height: 92px !important; }
.mt-link-body { flex: 1; min-width: 0; }
.mt-link-body b { display: block; font-size: 14px; color: var(--ink); margin-bottom: 3px; }
.mt-link-body span { display: block; font-size: 12px; color: var(--ink-3); margin-bottom: 6px; }
.mt-link-body code {
  display: block;
  font-size: 11.5px;
  color: var(--ink-4);
  font-family: ui-monospace, Menlo, monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mt-link-acts { display: flex; flex-direction: column; gap: 6px; }

/* 图片素材 */
.mt-imgs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.mt-img-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 16px;
  align-items: center;
}
.mt-img-card img { width: 100%; border-radius: 10px; border: 1px solid var(--line-2); display: block; }
.mt-img-card b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 6px; }
.mt-img-card p { margin: 0 0 12px; font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }
.mt-img-card .mt-btn { display: inline-flex; align-items: center; }

/* 节奏表 */
.mt-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.mt-table th, .mt-table td { padding: 12px 16px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--line-2); color: var(--ink-2); }
.mt-table th { background: #f8fafd; font-size: 12px; color: var(--ink-3); font-weight: 600; }
.mt-table tr:last-child td { border-bottom: 0; }
.mt-table td b { color: var(--ink); font-size: 13px; }

/* 红线 */
.mt-rules {
  background: linear-gradient(150deg, #fff5f5, #fffafa);
  border: 1px solid #f7d4d4;
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}
.mt-rules h3 { margin: 0 0 12px; font-size: 16px; color: #b91c1c; }
.mt-rules ul { margin: 0; padding-left: 18px; }
.mt-rules li { font-size: 13px; color: #7f1d1d; line-height: 2; }
.mt-rules li b { color: #991b1b; }

@media (max-width: 1100px) {
  .mt-guide { grid-template-columns: repeat(2, 1fr); }
  .mt-list { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .mt-hero { padding: 36px 0 30px; }
  .mt-hero h1 { font-size: 26px; }
  .mt-hero p.lead { font-size: 13.5px; }
  .mt-stats span { font-size: 12px; padding: 6px 10px; }
  .mt-guide { grid-template-columns: 1fr; }
  .mt-body { padding: 22px 0 44px; }
  .mt-filter { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .mt-filter::-webkit-scrollbar { display: none; }
  .mt-chip { flex-shrink: 0; }
  .mt-card { padding: 15px 15px 14px; }
  .mt-text { max-height: 240px; font-size: 12.5px; }
  .mt-acts { flex-direction: column; }
  .mt-btn-main { width: 100%; }
  .mt-links { grid-template-columns: 1fr; }
  .mt-link { gap: 10px; padding: 10px 12px; }
  .mt-qr, .mt-qr img, .mt-qr canvas { width: 74px !important; height: 74px !important; }
  .mt-link-acts { flex-direction: row; }
  .mt-imgs { grid-template-columns: 1fr; }
  .mt-img-card { grid-template-columns: 1fr; }
  .mt-img-card img { max-width: 220px; }
  .mt-table th, .mt-table td { padding: 10px 12px; font-size: 12px; }
  .mt-sec { margin-top: 30px; }
}