/* ads.html —— 广告合作页 */

.ads-main { padding: 22px 0 56px; }

/* ---------- Hero ---------- */
.ads-hero {
  background:
    radial-gradient(ellipse at top left, rgba(30, 115, 190, .08), transparent 60%),
    radial-gradient(ellipse at top right, rgba(242, 153, 74, .10), transparent 60%),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 36px 0;
}
.ads-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}
.ads-hero-banner {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(20, 23, 27, .10);
  background: #f7c33a;
  aspect-ratio: 960 / 100;
}
.ads-hero-banner img { width: 100%; height: 100%; display: block; object-fit: cover; }

.ads-hero-text .kicker {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f7c33a, #f2994a);
  color: #6a3d00;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.ads-hero-text h1 {
  font-size: clamp(32px, 4.6vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 8px;
  background: linear-gradient(90deg, #c08a2a, #f2994a 60%, #eb5757);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ads-hero-text .sub {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
  color: var(--brand);
  margin: 0 0 18px;
}
.ads-hero-text .desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
  margin: 0 0 22px;
}
.ads-hero-text .desc strong { color: #f2994a; }

.ads-cta {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f7c33a, #f2994a);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(242, 153, 74, .40);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.ads-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(242, 153, 74, .55);
  color: #fff;
}

/* 返回首页按钮 */
.header-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s var(--ease);
}
.header-back svg { width: 16px; height: 16px; fill: currentColor; }
.header-back:hover { color: var(--brand); border-color: var(--brand); }

/* ---------- 通用 block ---------- */
.ads-content { margin-top: 22px; }
.ads-block {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  margin-bottom: 20px;
}
.ads-block-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 4px solid #f2994a;
  line-height: 1.2;
  color: var(--text);
}
.ads-lead {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
  margin: 0 0 14px;
}
.ads-lead.muted { color: var(--text-3); margin-bottom: 18px; }
.ads-lead.highlight {
  background: linear-gradient(90deg, rgba(247, 195, 58, .15), rgba(242, 153, 74, .12));
  border-left: 4px solid #f2994a;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.ads-lead a { color: var(--brand); }
.ads-lead a:hover { text-decoration: underline; }

/* ---------- 数据亮点 ---------- */
.ads-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}
.ads-stat {
  text-align: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 8px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.ads-stat:hover {
  transform: translateY(-3px);
  border-color: #f2994a;
}
.ads-stat .v {
  font-size: 26px;
  font-weight: 800;
  color: #f2994a;
  line-height: 1.1;
}
.ads-stat .v span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-3);
  margin-left: 2px;
}
.ads-stat .k {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 6px;
}

/* ---------- 广告位置 ---------- */
.ads-positions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 14px;
}
.ads-pos {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  border-radius: 10px;
  padding: 18px 18px 16px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.ads-pos:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(20, 23, 27, .08);
}
.ads-pos .pos-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(30, 115, 190, .10);
  color: var(--brand);
  font-size: 11.5px;
  font-weight: 700;
  margin-bottom: 10px;
}
.ads-pos h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text);
}
.ads-pos p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0 0 10px;
}
.ads-pos ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ads-pos ul li {
  font-size: 12.5px;
  color: var(--text-3);
  padding: 4px 0 4px 16px;
  position: relative;
}
.ads-pos ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #27ae60;
  font-weight: 700;
}

/* ---------- 广告形式 ---------- */
.ads-formats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 8px;
  margin-bottom: 14px;
}
.ads-fmt {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 20px;
  text-align: center;
  transition: transform .2s var(--ease);
}
.ads-fmt:hover { transform: translateY(-3px); }
.ads-fmt .fmt-icon { font-size: 40px; line-height: 1; margin-bottom: 12px; }
.ads-fmt h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; color: var(--text); }
.ads-fmt p { font-size: 13px; line-height: 1.7; color: var(--text-2); margin: 0 0 12px; }
.ads-fmt ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}
.ads-fmt ul li {
  font-size: 12.5px;
  color: var(--text-3);
  padding: 4px 0 4px 16px;
  position: relative;
}
.ads-fmt ul li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: #f2994a;
  font-weight: 800;
}

.ads-note {
  margin: 0;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.6;
}
.ads-note.warn {
  background: rgba(235, 87, 87, .08);
  border: 1px solid rgba(235, 87, 87, .25);
  color: #c0392b;
}

/* ---------- 价格政策 ---------- */
.ads-price {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ads-price li {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-2);
  padding: 10px 14px 10px 38px;
  border-bottom: 1px dashed var(--border);
  position: relative;
}
.ads-price li:last-child { border-bottom: 0; }
.ads-price li::before {
  content: '★';
  position: absolute;
  left: 14px;
  top: 10px;
  color: #f2994a;
  font-size: 14px;
}
.ads-price li strong { color: var(--text); }

/* ---------- 商务合作 ---------- */
.ads-contact-block {
  background: linear-gradient(135deg, rgba(247, 195, 58, .08), rgba(242, 153, 74, .06));
  border: 1px solid rgba(242, 153, 74, .30);
}
.ads-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 14px;
}
.ads-contact-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.ads-contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(242, 153, 74, .20);
  border-color: #f2994a;
}
.ads-contact-card .ct-icon { font-size: 36px; line-height: 1; margin-bottom: 10px; }
.ads-contact-card .ct-label {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: .04em;
  margin-bottom: 4px;
}
.ads-contact-card .ct-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  word-break: break-all;
}
.ads-contact-card .ct-action {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(30, 115, 190, .10);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

/* ---------- 列表（买前须知 / 注意事项） ---------- */
.ads-list {
  margin: 0;
  padding: 0 0 0 22px;
  counter-reset: adsitem;
}
.ads-list li {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-2);
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}
.ads-list li:last-child { border-bottom: 0; }
.ads-list li::marker {
  color: #f2994a;
  font-weight: 700;
}
.ads-list li strong { color: var(--text); }

/* ---------- 免责 ---------- */
.ads-disclaim {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--text-3);
  border-radius: 8px;
  padding: 18px 20px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-2);
}
.ads-disclaim p { margin: 0 0 10px; }
.ads-disclaim p:last-child { margin: 0; }
.ads-disclaim strong { color: var(--text); }
.ads-disclaim a { color: var(--brand); }
.ads-disclaim a:hover { text-decoration: underline; }

/* 返回导航 */
.ads-back-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 6px 24px;
  font-size: 13.5px;
}
.ads-back-row a {
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: 8px;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.ads-back-row a:hover {
  background: var(--bg-soft);
  color: var(--brand);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .ads-hero { padding: 24px 0; }
  .ads-hero-grid { grid-template-columns: 1fr; gap: 18px; }
  .ads-hero-banner { aspect-ratio: 960 / 100; }
  .ads-hero-text { text-align: left; }
  .ads-stats { grid-template-columns: repeat(2, 1fr); }
  .ads-block { padding: 22px 18px; }
}
@media (max-width: 640px) {
  .ads-block-title { font-size: 18px; }
  .ads-lead { font-size: 13.5px; }
  .ads-positions { grid-template-columns: 1fr; }
  .ads-formats { grid-template-columns: 1fr; }
  .ads-back-row { flex-direction: column; gap: 8px; }
  .header-back span { display: none; }
  .header-back { padding: 8px; }
}

/* ---------- Dark Mode ---------- */
[data-theme='dark'] .ads-hero { background:
  radial-gradient(ellipse at top left, rgba(30, 115, 190, .15), transparent 60%),
  radial-gradient(ellipse at top right, rgba(242, 153, 74, .15), transparent 60%),
  var(--bg-soft);
}
[data-theme='dark'] .ads-lead.highlight {
  background: linear-gradient(90deg, rgba(247, 195, 58, .12), rgba(242, 153, 74, .08));
}
[data-theme='dark'] .ads-contact-block {
  background: linear-gradient(135deg, rgba(247, 195, 58, .10), rgba(242, 153, 74, .06));
}
[data-theme='dark'] .ads-pos { border-left-color: var(--brand); }