/* ===== 日照与君共行 rizhaozhifu.com 基础样式 ===== */
:root{
  --brand:#0b5fff;        /* 主蓝 */
  --brand-dark:#073bb0;
  --teal:#00b8a9;         /* 青绿点缀 */
  --ink:#0f1b2d;
  --muted:#5b6b80;
  --line:#e6ebf2;
  --bg:#f6f8fb;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 8px 30px rgba(15,27,45,.08);
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(28px,4vw,44px)}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:19px}
p{margin:0 0 1em;color:var(--muted)}
.lead{font-size:18px;color:var(--muted)}
.text-brand{color:var(--brand)}
.text-teal{color:var(--teal)}

/* 顶部导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav .inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}
.logo .dot{width:12px;height:12px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 4px rgba(0,184,169,.18)}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{color:var(--ink);font-weight:600;font-size:15px}
.nav ul a:hover{color:var(--brand);text-decoration:none}
.nav ul a.active{color:var(--brand)}
.nav .btn{padding:9px 18px}
.btn{display:inline-block;background:var(--brand);color:#fff;font-weight:700;
  padding:12px 22px;border-radius:10px;transition:.2s}
.btn:hover{background:var(--brand-dark);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:rgba(11,95,255,.06)}

/* Hero */
.hero{padding:72px 0 56px;background:
  radial-gradient(1200px 400px at 80% -10%,rgba(0,184,169,.18),transparent),
  radial-gradient(900px 360px at -10% 0,rgba(11,95,255,.14),transparent)}
.hero h1{margin-bottom:14px}
.hero .lead{max-width:640px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.badge{background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--muted);box-shadow:var(--shadow)}

/* 区块 */
section{padding:60px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 40px}
.section-head p{margin:8px auto 0}

/* 卡片网格 */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px);border-color:#cfe0ff}
.card .ico{width:46px;height:46px;border-radius:12px;background:rgba(11,95,255,.1);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.card h3{margin-bottom:6px}
.card p{margin:0;font-size:15px}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.stat .num{font-size:32px;font-weight:800;color:var(--brand)}
.stat .lbl{color:var(--muted);font-size:14px}

/* 步骤 */
.steps{counter-reset:s}
.step{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--line)}
.step:before{counter-increment:s;content:counter(s);flex:0 0 40px;height:40px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{margin:6px 0 4px}
.step p{margin:0;font-size:15px}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;
  padding:0 18px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:0;color:var(--brand);font-size:22px;font-weight:700}
.faq details[open] summary:after{content:"\2212"}
.faq details p{padding:0 0 16px;margin:0;font-size:15px}

/* 联系 */
.contact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact .field{margin-bottom:14px}
.contact label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.contact input,.contact textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);
  border-radius:10px;font:inherit;font-size:15px}
.contact input:focus,.contact textarea:focus{outline:none;border-color:var(--brand)}
.note{background:#fff;border-left:4px solid var(--teal);padding:14px 18px;border-radius:8px;color:var(--ink);font-size:14px}

/* 页脚 */
.footer{background:var(--ink);color:#c7d2e0;padding:44px 0 28px;margin-top:40px}
.footer a{color:#c7d2e0}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;font-size:15px;margin:0 0 12px}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:8px;font-size:14px}
.footer .bottom{border-top:1px solid #233247;margin-top:30px;padding-top:18px;
  font-size:13px;color:#8aa0bd;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ===== 文章页 / 资讯中心 ===== */
.article-wrap{max-width:820px;margin:0 auto}
.article-wrap h2{margin-top:36px;font-size:24px;color:var(--ink)}
.article-wrap h3{margin-top:26px;color:var(--ink)}
.article-wrap p{color:#33425a;font-size:16px}
.article-wrap strong{color:var(--ink)}
.article-wrap ul,.article-wrap ol{color:#33425a;font-size:16px;padding-left:22px;margin:0 0 1em}
.article-wrap li{margin-bottom:7px}
.article-wrap blockquote{background:#fff;border-left:4px solid var(--teal);border-radius:8px;
  padding:14px 18px;color:var(--ink);font-size:15px;margin:0 0 1.4em}
.article-wrap table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;
  background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.article-wrap th,.article-wrap td{border:1px solid var(--line);padding:11px 13px;text-align:left;color:#33425a;vertical-align:top}
.article-wrap th{background:#f0f5ff;font-weight:700;color:var(--ink)}
.article-wrap tr:nth-child(even) td{background:#fafcff}
.article-meta{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:22px;flex-wrap:wrap}
.article-meta .tag{background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 12px;color:var(--brand);font-weight:600}
.article-back{display:inline-block;margin-bottom:18px;font-weight:600;font-size:15px}
.rel-head{margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:16px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow);transition:.2s;display:block}
.rel-card:hover{transform:translateY(-3px);border-color:#cfe0ff;text-decoration:none}
.rel-card h4{margin:0 0 6px;font-size:16px;color:var(--ink)}
.rel-card p{margin:0;font-size:13px;color:var(--muted)}

/* 资讯中心 */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:14px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);transition:.2s;
  display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-3px);border-color:#cfe0ff;text-decoration:none}
.post-card h3{margin:0 0 8px;font-size:18px;color:var(--ink)}
.post-card p{margin:0 0 14px;font-size:14px;color:var(--muted);flex:1}
.post-card .more{color:var(--brand);font-weight:600;font-size:14px}

/* 响应式 */
@media(max-width:900px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
  .nav ul{display:none}
  .rel-grid{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
}
@media(max-width:520px){
  .stats{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
}

/* 全站统一署名块（深色 footer 适配） */
.signature-block{display:flex;gap:16px;align-items:flex-start;background:rgba(255,255,255,.04);border:1px solid #233247;border-radius:14px;padding:18px 20px;margin:26px 0 8px}
.signature-block .sig-avatar{flex:0 0 auto;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800}
.signature-block .sig-body{flex:1;min-width:0}
.signature-block .sig-slogan{margin:0 0 8px;color:#eaf1fb;font-size:15px;line-height:1.7;font-weight:600}
.signature-block .sig-sign{margin:0 0 4px;color:#9fb2c9;font-size:14px}
.signature-block .sig-wx{margin:0;color:#c7d2e0;font-size:14px}
.signature-block .sig-wx b{color:#fff;background:rgba(11,95,255,.28);padding:1px 8px;border-radius:6px;letter-spacing:.5px}
@media(max-width:520px){
  .signature-block{flex-direction:column;gap:12px}
}

/* 差异化武器页：对比表 + 案例块 */
.cmp{width:100%;border-collapse:collapse;margin:18px 0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.cmp th,.cmp td{border:1px solid var(--line);padding:12px 14px;text-align:left;font-size:14px;color:#33425a;vertical-align:top}
.cmp thead th{background:var(--brand);color:#fff;font-weight:700}
.cmp td.ours{background:rgba(11,95,255,.06);color:#0b3aa8;font-weight:600}
.case{border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:10px;background:#fff;padding:14px 16px;margin:14px 0}
.case .case-h{font-weight:700;color:#0b3aa8;margin-bottom:6px}
.case p{margin:0;color:#3a4a63;line-height:1.7;font-size:14px}
.weapon-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0}
.weapon-cards .wcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);transition:.2s;display:block;color:inherit}
.weapon-cards .wcard:hover{transform:translateY(-3px);border-color:var(--brand)}
.weapon-cards .wcard .wico{font-size:30px;margin-bottom:10px}
.weapon-cards .wcard h3{margin:0 0 8px;color:#10243f}
.weapon-cards .wcard p{margin:0;color:#5a6b85;font-size:14px;line-height:1.6}
@media(max-width:900px){.weapon-cards{grid-template-columns:1fr}}