/* 鑫涛涂装 官网样式 · 2026-10 */
:root{
  --navy:#0b2145; --navy2:#15325f; --navy3:#0a1a35;
  --gold:#c8a24a; --gold-l:#e0c072; --gold-d:#8a6c33;
  --bg:#f6f8fb; --card:#fff; --line:#e3e9f1;
  --text:#16233a; --muted:#66748c; --ok:#116b3a;
  --radius:14px; --shadow:0 6px 24px rgba(11,33,69,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* 顶部 */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:18px;height:66px}
.hd .brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px;color:var(--navy)}
.hd .brand img{height:38px;width:auto;border-radius:6px}
.hd .brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0}
nav{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:15px}
nav a{color:#33405c;position:relative;padding:6px 0}
nav a:hover{color:var(--navy)}
nav a.on{color:var(--navy);font-weight:700}
nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);border-radius:2px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn.gold{background:linear-gradient(135deg,var(--gold),var(--gold-l));color:#3b2c08;box-shadow:0 6px 18px rgba(200,162,74,.35)}
.btn.gold:hover{transform:translateY(-1px)}
.btn.line{border-color:var(--line);background:#fff;color:var(--navy)}
.btn.line:hover{border-color:var(--gold);color:var(--gold-d)}
.hd .btn{padding:9px 16px;font-size:14.5px}
.menu{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;font-size:18px;line-height:1}

/* 首屏 */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 58%,#1b3f74 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 420px at 82% 12%,rgba(200,162,74,.22),transparent 60%),
  radial-gradient(700px 380px at 10% 90%,rgba(255,255,255,.08),transparent 60%)}
.hero .wrap{position:relative;z-index:2;padding:66px 20px 62px}
.hero .tag{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;letter-spacing:1px;
  border:1px solid rgba(200,162,74,.5);color:var(--gold-l);background:rgba(200,162,74,.1);
  padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:clamp(26px,4.4vw,44px);line-height:1.32;letter-spacing:.5px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--gold-l)}
.hero p.lead{margin-top:16px;font-size:clamp(15px,1.6vw,17.5px);color:#cdd8ea;max-width:660px}
.hero .cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.hero .stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero .stats div strong{display:block;font-size:22px;color:var(--gold-l)}
.hero .stats div span{font-size:13.5px;color:#b9c6dc}

/* 信任条 */
.strip{background:#fff;border-bottom:1px solid var(--line)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:14px 34px;padding:16px 20px;font-size:14.5px;color:#31405c}
.strip b{color:var(--navy)}

/* 区块 */
section{padding:64px 0}
section.alt{background:#fff}
.sec-h{margin-bottom:30px}
.sec-h .kicker{color:var(--gold-d);font-weight:800;font-size:13.5px;letter-spacing:2px}
.sec-h h2{font-size:clamp(21px,2.6vw,29px);color:var(--navy);margin-top:8px;letter-spacing:.3px}
.sec-h p{color:var(--muted);margin-top:10px;max-width:760px}

/* 卡片 */
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}
.card .num{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,162,74,.14);color:var(--gold-d);font-weight:800;margin-bottom:14px}

/* 案例 */
.cases{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.case{position:relative;border-radius:var(--radius);overflow:hidden;background:#0b2145;box-shadow:var(--shadow)}
.case img{width:100%;height:250px;object-fit:cover;transition:.5s}
.case:hover img{transform:scale(1.04)}
.case .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;
  background:linear-gradient(transparent,rgba(6,18,38,.88))}
.case .cap b{display:block;font-size:15.5px}
.case .cap span{font-size:12.5px;color:#c9d3e6}

/* 工艺时间线 */
.steps{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.step{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.step i{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--navy);color:#fff;font-style:normal;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.step b{font-size:14.5px;color:var(--navy);display:block}
.step span{font-size:13px;color:var(--muted)}

/* 品牌 */
.brands{display:flex;gap:16px;flex-wrap:wrap}
.brandbox{flex:1 1 320px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.brandbox img{height:52px;width:auto;margin-bottom:14px}
.brandbox ul{list-style:none;margin-top:10px}
.brandbox li{position:relative;padding-left:20px;color:var(--muted);font-size:14.5px;margin-top:6px}
.brandbox li::before{content:"";position:absolute;left:4px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* 关于 */
.about{display:grid;gap:22px;grid-template-columns:1.1fr .9fr;align-items:start}
.about p{color:#3a4864;margin-bottom:12px}
.honors{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.honors figure{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.honors figcaption{font-size:12.5px;color:var(--muted);padding:8px 10px}
.note{font-size:13px;color:var(--muted);margin-top:14px}

/* 联系 */
.contact{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff}
.contact .sec-h h2,.contact .sec-h p{color:#fff}
.contact .sec-h p{color:#c3cfe4}
.cbox{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cbox div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:20px}
.cbox b{display:block;color:var(--gold-l);font-size:13px;letter-spacing:1px;margin-bottom:8px}
.cbox .v{font-size:16.5px;font-weight:700;word-break:break-all}
.cbox .s{font-size:13.5px;color:#b8c5dc;margin-top:6px}
.contact .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.contact .btn.ghostw{border-color:rgba(255,255,255,.35);color:#fff;background:transparent}

/* 页脚 */
footer{background:var(--navy3);color:#93a3bd;font-size:13.5px;padding:26px 0}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center}
footer a{color:#c3cfe4}
.todo{display:inline-block;font-size:11.5px;color:var(--gold-l);border:1px dashed rgba(200,162,74,.6);border-radius:6px;padding:1px 7px}

/* 手机 */
@media(max-width:900px){
  nav{position:fixed;inset:66px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 20px 16px;border-bottom:1px solid var(--line);display:none}
  nav.open{display:flex}
  nav a{width:100%;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
  nav a.on::after{display:none}
  .menu{display:block}
  .hd .btn.call{display:none}
  .g3,.g2,.cases,.cbox,.about,.honors{grid-template-columns:1fr}
  .case img{height:220px}
  section{padding:46px 0}
  .hero .wrap{padding:44px 20px 46px}
  .hero .stats{gap:18px 26px;margin-top:28px}
}