/* ===== 文章页统一样式 + 硬核组件 ===== */
:root{--primary:#185FA5;--accent:#378ADD;--accent-soft:#dbeafe;--ink:#1f2937;--muted:#5f6b7a;--line:#e5e9f0;--bg-soft:#f6f8fb}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.85}
a{color:inherit;text-decoration:none}
.top{border-bottom:1px solid var(--line)}
.nav{max-width:820px;margin:0 auto;padding:16px 22px;display:flex;justify-content:space-between;align-items:center;font-size:14px}
.nav .back{color:var(--primary)}
.nav .name{color:var(--muted)}
main{max-width:820px;margin:0 auto;padding:46px 22px 72px}
.crumbs{font-size:13px;color:var(--accent);margin-bottom:14px}
h1{font-size:30px;line-height:1.35;margin-bottom:10px;letter-spacing:.3px}
.meta{font-size:13px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:30px}
h2{font-size:22px;margin:42px 0 14px;padding-left:12px;border-left:4px solid var(--accent)}
h3{font-size:16px;margin-bottom:6px}
p{margin-bottom:16px;color:#333a45}
ul,ol{padding-left:22px;margin-bottom:16px;color:#333a45}
li{margin-bottom:8px}
b{color:var(--primary)}
small{color:var(--muted)}

/* 模板框 */
.tpl{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:18px 0}
.tpl .tpl-tag{display:inline-block;font-size:12px;background:var(--accent-soft);color:var(--primary);padding:3px 10px;border-radius:999px;margin-bottom:10px}
.tpl pre{white-space:pre-wrap;font-family:Consolas,Menlo,monospace;font-size:13.5px;line-height:1.8;color:var(--ink)}

/* 提示框 */
.note{background:#fff8ec;border:1px solid #f2e3bd;border-radius:12px;padding:16px 18px;margin:18px 0;font-size:14.5px}
.note b{color:#9a6b00}
.warn{background:#fdeeee;border:1px solid #f3c4c4;border-radius:12px;padding:16px 18px;margin:18px 0;font-size:14.5px}
.warn b{color:#c0392b}

/* ===== 硬核组件 ===== */
/* 强结论横幅 */
.claim{margin:22px 0;padding:15px 20px;border-left:5px solid var(--primary);background:linear-gradient(90deg,#eef5fc,#f6f8fb);border-radius:0 10px 10px 0;font-size:16px;font-weight:600;color:var(--ink)}
.claim b{color:var(--primary)}

/* 数据 KPI 行 */
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.kpi{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:16px 10px;text-align:center}
.kpi .n{font-size:25px;font-weight:700;color:var(--primary);line-height:1.1}
.kpi .l{font-size:12.5px;color:var(--muted);margin-top:6px}

/* 编号步骤 */
.steps{counter-reset:s;margin:18px 0}
.step{position:relative;padding:14px 16px 14px 58px;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:16px;margin-bottom:4px}
.step p{margin:0;font-size:14.5px}

/* 对比矩阵 */
.matrix{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.matrix th,.matrix td{border:1px solid var(--line);padding:10px 12px;vertical-align:top}
.matrix th{background:var(--bg-soft);font-weight:600}
.matrix td .y{color:#147a3d;font-weight:600}
.matrix td .n{color:#c0392b;font-weight:600}

/* 优劣卡 */
.pcards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
.pcard{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pcard h4{padding:10px 14px;font-size:14.5px;color:#fff;margin:0}
.pcard.pro h4{background:#147a3d}
.pcard.con h4{background:#c0392b}
.pcard ul{list-style:none;padding:12px 14px;margin:0;font-size:14px}
.pcard li{padding-left:22px;position:relative;margin-bottom:8px}
.pcard.pro li::before{content:"✓";position:absolute;left:0;color:#147a3d;font-weight:700}
.pcard.con li::before{content:"✕";position:absolute;left:0;color:#c0392b;font-weight:700}

/* 要点小结 */
.takeaway{background:#eef5fc;border:1px solid var(--accent-soft);border-radius:12px;padding:16px 20px;margin:22px 0}
.takeaway .tt{font-size:14px;color:var(--primary);font-weight:600;margin-bottom:10px}
.takeaway ol{padding-left:20px;margin:0}
.takeaway li{margin-bottom:6px;font-size:14.5px}

/* 变现落点 */
.cta-box{margin:34px 0 10px;padding:22px 24px;border-radius:14px;background:linear-gradient(135deg,#185FA5,#378ADD);color:#fff}
.cta-box .ct{font-size:18px;font-weight:700;margin-bottom:10px}
.cta-box p{color:#eaf3fc;font-size:14.5px;margin-bottom:10px}
.cta-box .prices{display:flex;gap:14px;flex-wrap:wrap;margin:12px 0}
.cta-box .price{background:rgba(255,255,255,.14);border-radius:10px;padding:10px 16px;font-size:14px}
.cta-box .price b{color:#fff;font-size:17px}
.cta-box .wx{font-size:13.5px;color:#dbeafe;margin-top:6px}

/* 页脚 / 返回 / 互链 */
.foot{border-top:1px solid var(--line);background:var(--bg-soft)}
.foot .in{max-width:820px;margin:0 auto;padding:26px 22px;font-size:13.5px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.foot a{color:var(--primary)}
.btn{display:inline-block;margin-top:24px;padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px}
.btn:hover{background:var(--accent)}
.rel{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.rel .rel-t{font-size:14px;color:var(--muted);margin-bottom:14px;letter-spacing:.5px}
.rel-list{display:grid;gap:10px}
.rel-list a{display:block;border:1px solid var(--line);border-radius:10px;padding:13px 16px;font-size:14.5px;color:var(--ink);transition:.2s}
.rel-list a:hover{border-color:var(--accent);background:var(--bg-soft)}
.rel-list a::before{content:"→ ";color:var(--primary);font-weight:600}

@media(max-width:640px){
  h1{font-size:25px}
  .kpis{grid-template-columns:1fr}
  .pcards{grid-template-columns:1fr}
  .step{padding-left:54px}
  .cta-box .prices{flex-direction:column}
}