/* 齐瑾财税讲堂 · 文章页共享样式 */
:root{
  --gold:#C49A4A; --gold-deep:#A67C2E; --gold-soft:#EFE2C4;
  --accent:#D98E1F; --accent-deep:#B9701A;
  --ink:#1F1B16; --body:#5C574E; --muted:#8A8378;
  --bg:#fff; --bg-alt:#F8F6F1; --bg-cream:#FBF7EF; --line:#ECE7DC;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;color:var(--body);background:var(--bg);line-height:1.85;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.35}
a{color:var(--gold-deep);text-decoration:none}
img{max-width:100%}
.wrap{max-width:820px;margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;letter-spacing:1px}
.btn-gold{background:linear-gradient(120deg,var(--gold),var(--gold-deep));color:#fff}
.btn-accent{background:linear-gradient(120deg,var(--accent),var(--accent-deep));color:#fff}

/* NAV */
nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1200px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px}
.brand-text{font-size:20px;color:var(--ink);letter-spacing:2px;font-weight:700;line-height:1.1}
.brand-text span{font-size:10px;color:var(--gold-deep);letter-spacing:3px;display:block;font-weight:500;margin-top:2px}
.nav-back{font-size:14px;color:var(--gold-deep);font-weight:600}

/* ARTICLE HEAD */
.a-hero{padding:54px 0 30px;background:linear-gradient(135deg,#FBF7EF 0%,#F1E6CC 100%)}
.a-crumb{font-size:13px;color:var(--gold-deep);margin-bottom:14px}
.a-crumb a{color:var(--gold-deep)}
.a-hero h1{font-size:clamp(26px,4.4vw,38px);letter-spacing:.5px;margin-bottom:16px}
.a-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.a-meta span{background:rgba(196,154,74,.1);color:var(--gold-deep);padding:4px 12px;border-radius:30px}

/* ARTICLE BODY */
.a-body{padding:34px 0 60px}
.a-body p{font-size:16px;color:var(--body);margin-bottom:20px}
.a-body h2{font-size:23px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold)}
.a-body h3{font-size:18px;margin:24px 0 10px;color:var(--ink)}
.a-body ul,.a-body ol{margin:0 0 20px 22px;font-size:16px;color:var(--body)}
.a-body li{margin-bottom:10px}
.a-body strong{color:var(--ink)}
.a-tip{background:var(--bg-cream);border:1px solid var(--gold-soft);border-left:4px solid var(--accent);border-radius:10px;padding:18px 20px;margin:22px 0;font-size:15px;color:var(--body)}
.a-cta{background:linear-gradient(120deg,var(--gold),var(--gold-deep));border-radius:14px;padding:28px;text-align:center;color:#fff;margin:36px 0 0}
.a-cta h3{color:#fff;font-size:20px;margin-bottom:10px}
.a-cta p{color:rgba(255,255,255,.92);font-size:15px;margin-bottom:18px}
.a-cta .btn{background:#fff;color:var(--accent-deep)}

/* FOOTER */
footer{background:#1f1c17;color:rgba(255,255,255,.62);padding:40px 0 28px;font-size:13px;text-align:center}
footer a{color:var(--gold-soft)}
footer .icp{display:inline-block;margin-top:10px;color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.15);padding:7px 14px;border-radius:8px}

@media(max-width:560px){
  :root{--radius:14px}
  .wrap{padding:0 18px}
  .nav-in{padding:11px 18px}
  .brand img{height:36px}
  .brand-text{font-size:17px}
  .a-hero{padding:36px 0 22px}
  .a-hero h1{font-size:24px;line-height:1.3;margin-bottom:12px}
  .a-meta{font-size:12px;gap:10px;margin-bottom:8px}
  .a-body{padding:26px 0 50px}
  .a-body p{font-size:15px;margin-bottom:16px}
  .a-body h2{font-size:20px;margin:28px 0 12px}
  .a-body h3{font-size:17px}
  .a-body ul,.a-body ol{font-size:15px;margin-left:18px}
  .a-tip{padding:16px 18px;font-size:14px;margin:18px 0}
  .a-cta{padding:24px 18px;margin:30px 0 0}
  .a-cta h3{font-size:18px}
  .a-cta p{font-size:14px}
  .a-cta .btn{padding:13px 0;width:100%}
  footer{padding:36px 0 24px}
}

@media(max-width:390px){
  .wrap{padding:0 16px}
  .a-hero h1{font-size:22px}
  .a-body p{font-size:14.5px}
  .a-body h2{font-size:19px}
}