/* ============ 中研软考专题站 · 全局样式 ============ */
:root{
  --ink-1:#1d2733;        /* 主文字 */
  --ink-2:#3f4a57;        /* 次文字 */
  --ink-3:#6b7682;        /* 弱文字 */
  --line:#e6e9ed;         /* 分隔线（中性灰，不用奶油色） */
  --panel:#f4f6f8;        /* 浅灰模块 */
  --panel-2:#eef1f4;
  --brand:#0e4d4a;        /* 深青 */
  --brand-2:#0a3a38;
  --gold:#c8a45c;         /* 金 */
  --gold-2:#b08d3f;
  --bg:#ffffff;
  --maxw:1200px;
  --radius:14px;
  --shadow:0 6px 22px rgba(20,40,50,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-1);
  font-family:"PingFang SC","Microsoft YaHei","Microsoft YaHei UI","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{line-height:1.3;color:var(--ink-1);font-weight:700;margin:0 0 .6em}
h1{font-size:30px}h2{font-size:24px}h3{font-size:19px}h4{font-size:16px}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 18px;width:100%}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:8px;top:8px;background:#fff;padding:6px 10px;z-index:99;border-radius:6px}
.accent-bar{width:46px;height:4px;background:linear-gradient(90deg,var(--brand),var(--gold));border-radius:3px;margin:0 0 14px}

/* ============ 顶部 400 条 ============ */
.topbar{background:var(--brand-2);color:#eaf2f1;font-size:13.5px}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:38px;gap:10px}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden;white-space:nowrap}
.tb-brand{font-weight:600;color:#fff}
.tb-brand b{color:var(--gold)}
.tb-sep{opacity:.4}
.tb-master a{color:#bfe0dc}
.tb-master a:hover{color:#fff}
.topbar-right{display:flex;align-items:center;gap:8px;flex:none}
.tb-txt{opacity:.8}
.tb-tel{color:var(--gold);font-weight:700;font-size:16px;letter-spacing:.5px}
.tb-tel:hover{color:#ffe2a8}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:18px;padding:6px 10px;border-radius:10px;letter-spacing:1px}
.logo-text{font-weight:800;font-size:19px;color:var(--ink-1)}
.nav-toggle{display:none}
.nav-burger{display:none}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.main-nav a{padding:9px 13px;border-radius:9px;color:var(--ink-2);font-weight:600;font-size:15px}
.main-nav a:hover{background:var(--panel);color:var(--brand)}
.main-nav a.active{color:var(--brand)}
.nav-cta{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#3a2c08!important;font-weight:800;margin-left:6px}
.nav-cta:hover{filter:brightness(1.05);color:#3a2c08!important}

/* ============ 区块通用 ============ */
section{padding:54px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 34px}
.section-head .eyebrow{color:var(--brand);font-weight:700;letter-spacing:2px;font-size:13px;text-transform:uppercase}
.section-head h2{margin:.3em 0 .35em}
.section-head p{color:var(--ink-3);font-size:16px}
.bg-panel{background:var(--panel)}
.bg-brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.bg-brand h2,.bg-brand h3{color:#fff}
.bg-brand p{color:#d7e7e5}

/* ============ Hero ============ */
.hero{background:linear-gradient(135deg,#0a3a38 0%,#0e4d4a 55%,#10615b 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,164,92,.30),transparent 70%)}
.hero-in{position:relative;z-index:2;display:flex;align-items:center;gap:40px;padding:64px 0;flex-wrap:wrap}
.hero-text{flex:1 1 460px;min-width:0}
.hero-text .tag{display:inline-block;background:rgba(200,164,92,.18);color:var(--gold);border:1px solid rgba(200,164,92,.4);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:16px}
.hero-text h1{color:#fff;font-size:40px;line-height:1.22;margin-bottom:14px}
.hero-text .lead{color:#d9e9e7;font-size:17px;margin-bottom:22px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:11px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:.15s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#3a2c08}
.btn-gold:hover{filter:brightness(1.05);color:#3a2c08}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff}
.hero-stats{flex:0 0 280px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hstat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px;text-align:center}
.hstat b{display:block;font-size:28px;color:var(--gold);line-height:1.1}
.hstat span{font-size:13px;color:#cfe3e1}

/* ============ 卡片（无框、浅灰底） ============ */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border-radius:var(--radius);padding:26px;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:14px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-3);font-size:15px;margin:0}
.card .more{display:inline-block;margin-top:12px;color:var(--brand);font-weight:700;font-size:14px}

/* ============ 流程 / 步骤 ============ */
.steps{counter-reset:st}
.step{position:relative;background:#fff;border-radius:var(--radius);padding:24px 24px 24px 72px;box-shadow:var(--shadow)}
.step::before{counter-increment:st;content:counter(st);position:absolute;left:20px;top:22px;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.step h3{margin-bottom:6px}
.step p{color:var(--ink-3);margin:0;font-size:15px}

/* ============ 列表 / 资讯 ============ */
.news-list{display:grid;gap:18px}
.news-item{display:flex;gap:18px;background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.18s;align-items:stretch}
.news-item:hover{transform:translateY(-2px)}
.news-thumb{flex:0 0 168px;height:112px;border-radius:10px;background:linear-gradient(135deg,var(--panel-2),var(--panel));display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:30px;font-weight:800;overflow:hidden}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:18px;margin:2px 0 8px}
.news-meta{color:var(--ink-3);font-size:13px;margin-bottom:8px}
.news-body p{color:var(--ink-3);font-size:14.5px;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body .read{color:var(--brand);font-weight:700;font-size:14px}

/* ============ 文章详情 ============ */
.article-wrap{display:grid;grid-template-columns:1fr;gap:0}
.article-main{max-width:820px;margin:0 auto;width:100%}
.breadcrumb{font-size:13.5px;color:var(--ink-3);padding:18px 0 0}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.article-main h1{font-size:32px;margin:.3em 0 .2em}
.article-meta{color:var(--ink-3);font-size:14px;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.article-body{font-size:17px;line-height:1.95;color:var(--ink-1)}
.article-body h2{font-size:24px;margin:1.6em 0 .6em;padding-left:14px;border-left:5px solid var(--gold)}
.article-body h3{font-size:19px;margin:1.3em 0 .5em;color:var(--brand)}
.article-body p{margin:0 0 1.1em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.1em}
.article-body li{margin:.3em 0}
.article-body blockquote{margin:1.2em 0;padding:14px 18px;background:var(--panel);border-left:4px solid var(--brand);color:var(--ink-2);border-radius:0 10px 10px 0}
.article-body strong{color:var(--brand-2)}

/* ============ FAQ ============ */
.faq-item{background:#fff;border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);margin-bottom:14px}
.faq-item h3{font-size:17px;margin:0 0 8px;color:var(--ink-1)}
.faq-item p{margin:0;color:var(--ink-3);font-size:15px}

/* ============ 表单 ============ */
.form-card{max-width:620px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:14.5px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink-1)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,77,74,.12)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:13px;color:var(--ink-3);margin-top:6px}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14.5px}
.alert-ok{background:#e8f6ee;color:#1c6b40}
.alert-err{background:#fdecec;color:#b42323}
.tel-big{font-size:26px;font-weight:800;color:var(--brand)}

/* ============ CTA 横幅 ============ */
.cta-band{padding:46px 0}
.cta-in{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-radius:18px;padding:40px;text-align:center;position:relative;overflow:hidden}
.cta-in::before{content:"";position:absolute;left:-80px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(200,164,92,.28),transparent 70%)}
.cta-in h2{color:#fff;position:relative}
.cta-in p{color:#d7e7e5;position:relative;max-width:560px;margin:0 auto 20px}
.cta-in .btn-gold{position:relative}

/* ============ 页脚 ============ */
.site-footer{background:#10211f;color:#cfd9d7;margin-top:40px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px;padding:46px 18px 30px}
.fg-title{color:#fff;font-weight:700;font-size:15.5px;margin-bottom:14px;font-family:"Microsoft YaHei","PingFang SC",sans-serif}
.fg-desc{color:#aeb9b7;font-size:13.5px;line-height:1.8;margin:0 0 16px}
.fg-tel{display:flex;flex-direction:column;gap:2px}
.fg-tel-label{font-size:12.5px;color:#8fa09e}
.fg-tel-num{color:var(--gold);font-weight:800;font-size:22px;font-family:"Microsoft YaHei",sans-serif}
.fg-tel-num:hover{color:#ffe2a8}
.fg-tel-sub{font-size:12.5px;color:#8fa09e}
.fg-links{list-style:none;margin:0;padding:0}
.fg-links li{margin:0 0 9px;color:#aeb9b7;font-size:13.5px;font-family:"Microsoft YaHei","PingFang SC",sans-serif}
.fg-links a{color:#cfd9d7;font-size:13.5px;font-family:"Microsoft YaHei","PingFang SC",sans-serif}
.fg-links a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:#8fa09e;font-family:"Microsoft YaHei","PingFang SC",sans-serif}
.footer-bottom a{color:#aeb9b7}
.footer-bottom a:hover{color:var(--gold)}
.fb-right .fb-sep{margin:0 8px;opacity:.5}

/* ============ 响应式 ============ */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:15.5px}
  h1{font-size:26px}h2{font-size:21px}h3{font-size:18px}
  .hero-in{padding:40px 0;gap:24px}
  .hero-text h1{font-size:30px}
  .hero-stats{flex-basis:100%;width:100%}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .news-item{flex-direction:column}
  .news-thumb{flex-basis:auto;width:100%;height:150px}
  section{padding:40px 0}
  /* 汉堡导航 */
  .nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;cursor:pointer;border-radius:9px;background:var(--panel)}
  .nav-burger span{display:block;height:2px;background:var(--ink-1);border-radius:2px;margin:0 9px}
  .main-nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 12px 14px;box-shadow:0 14px 24px rgba(0,0,0,.12);border-bottom:1px solid var(--line)}
  .main-nav a{padding:13px 8px;border-radius:8px}
  .nav-cta{margin:8px 0 0;text-align:center}
  .nav-toggle:checked ~ .main-nav{display:flex}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .cta-in{padding:28px 18px}
}
@media (min-width:761px){
  .main-nav{display:flex!important}
}