/* ==========================================================
   O鲸鲸 官网 · about.css
   关于页：品牌卡 / 正文 / 功能网格 / 联系列表 / 行动按钮
   ========================================================== */

/* 品牌卡 */
.brand-card {
  text-align: center;
  padding: 26px 20px 24px;
  border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(74, 144, 226, .20), transparent 62%),
    var(--c-card);
  border: 1px solid var(--c-card-line);
}
.brand-logo {
  width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 14px;
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, .32),
    0 0 0 7px rgba(90, 160, 255, .12),
    0 0 34px rgba(90, 160, 255, .45);
}
.brand-name {
  font-size: 26px; font-weight: 700; letter-spacing: 4px; text-indent: 4px;
  background: linear-gradient(180deg, #fff 30%, #b8d2ff 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-slogan { margin-top: 8px; font-size: 14px; color: var(--c-dim); letter-spacing: .5px; }
.brand-sub { margin-top: 3px; font-size: 12.5px; color: var(--c-dim-2); }
.brand-tags {
  margin-top: 15px;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 7px;
}

/* 正文段落 */
.prose p {
  margin-bottom: 12px;
  font-size: 14px; line-height: 1.95; color: rgba(255, 255, 255, .80);
}
.prose p:last-child { margin-bottom: 0; }
.prose b { color: #fff; font-weight: 600; }

/* 功能网格 */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.feat-card {
  padding: 15px 14px;
  border-radius: var(--radius-s);
  background: var(--c-card);
  border: 1px solid var(--c-card-line);
  transition: .2s;
}
.feat-card:hover { background: rgba(255, 255, 255, .10); transform: translateY(-1px); }
.feat-ico { font-size: 22px; line-height: 1.2; }
.feat-name { margin-top: 7px; font-size: 14px; font-weight: 600; }
.feat-desc { margin-top: 4px; font-size: 12px; line-height: 1.7; color: var(--c-dim); }

/* 联系列表 */
.contact-list { display: flex; flex-direction: column; gap: 9px; }
.contact-item {
  display: flex; align-items: center; gap: 13px;
  padding: 13px 15px;
  border-radius: var(--radius-s);
  background: var(--c-card);
  border: 1px solid var(--c-card-line);
  transition: .2s;
}
a.contact-item:hover { background: rgba(255, 255, 255, .10); transform: translateX(2px); }
.contact-ico { font-size: 20px; flex-shrink: 0; }
.contact-body { display: flex; flex-direction: column; min-width: 0; }
.contact-name { font-size: 13px; color: var(--c-dim); }
.contact-val { font-size: 14px; margin-top: 1px; word-break: break-all; }

/* 行动按钮 */
.cta-row-2 { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-btn {
  flex: 1; min-width: 130px;
  padding: 12px 18px; text-align: center;
  font-size: 14px; font-weight: 500;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  transition: .2s;
}
.cta-btn:hover { background: rgba(255, 255, 255, .14); }
.cta-btn.primary {
  background: linear-gradient(135deg, rgba(90, 157, 245, .92), rgba(70, 125, 220, .92));
  border-color: rgba(255, 255, 255, .22);
  box-shadow: 0 4px 16px rgba(40, 100, 200, .35);
}
.cta-btn.primary:hover { box-shadow: 0 6px 20px rgba(40, 100, 200, .5); }

@media (min-width: 560px) {
  .feat-grid { grid-template-columns: repeat(4, 1fr); }
}