/* ============================================================
   club.css - 站23 俱乐部入驻专属样式（cb 前缀 · 分成对比卡片）
   ============================================================ */

.cb-top { position:relative; overflow:hidden; text-align:center; background:linear-gradient(160deg,#fff,var(--ib-50)); padding:60px 0 50px; }
.cb-h1 { font-size:37px; font-weight:800; color:var(--sl-900); margin:10px 0 15px; }
.cb-lead { font-size:15px; color:var(--sl-600); max-width:600px; margin:0 auto 28px; }
.cb-cta { display:flex; gap:14px; flex-wrap:wrap; justify-content:center; }

/* 支持卡片 */
.cb-support { gap:18px; align-items:stretch; }
.cb-support-card { background:#fff; border:var(--ibline); border-radius:var(--ibr); padding:30px 26px; text-align:center; transition:transform .18s, box-shadow .18s; }
.cb-support-card:hover { transform:translateY(-5px); box-shadow:var(--ibsh); }
.cb-support-ico {
  width:60px; height:60px; margin:0 auto 16px; display:flex; align-items:center; justify-content:center;
  font-size:28px; background:var(--ib-50); border-radius:var(--ibr);
}
.cb-support-card h3 { font-size:17px; margin-bottom:9px; }
.cb-support-card p { font-size:13.5px; color:var(--sl-500); }

/* 分成对比卡片 */
.cb-alt { background:linear-gradient(180deg,var(--sl-100),var(--ib-50)); }
.cb-plans { display:grid; grid-template-columns:1fr 1fr; gap:24px; max-width:860px; margin:0 auto; }
.cb-plan { position:relative; background:#fff; border:var(--ibline); border-radius:var(--ibr-lg); padding:34px 30px; }
.cb-plan-hot { border:2px solid var(--ib-500); box-shadow:var(--ibsh); }
.cb-plan .ibtag { position:absolute; top:22px; right:22px; }
.cb-plan-name { font-size:19px; font-weight:800; color:var(--sl-800); margin-bottom:18px; }
.cb-plan ul { display:flex; flex-direction:column; gap:12px; }
.cb-plan ul li { position:relative; padding-left:26px; font-size:14px; color:var(--sl-600); }
.cb-plan ul li::before { content:"✓"; position:absolute; left:0; top:0; color:var(--ib-600); font-weight:800; }

/* 步骤 */
.cb-steps { gap:16px; }
.cb-step { background:#fff; border:var(--ibline); border-radius:var(--ibr); padding:26px 20px; transition:transform .18s, box-shadow .18s; }
.cb-step:hover { transform:translateY(-5px); box-shadow:var(--ibsh); }
.cb-step-num {
  width:44px; height:44px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:18px; font-weight:800; color:#fff; background:linear-gradient(120deg,var(--ib-500),var(--ib-700)); margin-bottom:14px;
}
.cb-step h3 { font-size:15.5px; margin-bottom:7px; }
.cb-step p { font-size:13px; color:var(--sl-500); }

.cb-faq { max-width:820px; margin:0 auto; }
.cb-btn-on-dark { color:#fff; border-color:rgba(255,255,255,.6); }
.cb-btn-on-dark:hover { color:#fff; border-color:#fff; background:rgba(255,255,255,.1); }

@media (max-width:900px) {
  .cb-plans { grid-template-columns:1fr; }
  .cb-steps { grid-template-columns:1fr 1fr; }
}
@media (max-width:560px) {
  .cb-h1 { font-size:28px; }
  .cb-steps { grid-template-columns:1fr; }
}