/* ===== 艺客定制 企业官网 共享样式 ===== */
:root{
  --navy:#16243f;
  --navy-2:#1f3360;
  --gold:#c8a25c;
  --gold-2:#e0b56b;
  --orange:#e07b39;
  --ink:#232a36;
  --muted:#6b7480;
  --line:#e7e9ee;
  --bg:#f6f7f9;
  --bg-2:#ffffff;
  --shadow:0 10px 30px rgba(22,36,63,.08);
  --radius:16px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans CN",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ===== 顶部导航 ===== */
.header{position:sticky;top:0;z-index:50;background:rgba(22,36,63,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--gold),var(--orange));display:flex;align-items:center;justify-content:center;color:#16243f;font-weight:900;font-size:18px}
.brand small{display:block;font-size:11px;font-weight:500;color:#b9c2d4;letter-spacing:2px}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-menu a{padding:9px 14px;color:#d7deea;border-radius:9px;font-size:15px;transition:.2s}
.nav-menu a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,var(--gold),var(--orange));font-weight:700}
.nav-cta{margin-left:8px;padding:9px 18px;border-radius:30px;background:linear-gradient(135deg,var(--gold),var(--orange));color:#16243f;font-weight:800;font-size:14px}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}

/* ===== 英雄区 ===== */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(200,162,92,.25),transparent),linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(224,123,57,.22),transparent 70%)}
.hero-inner{position:relative;z-index:2;padding:88px 0 78px;max-width:760px}
.hero .tag{display:inline-block;padding:6px 14px;border:1px solid rgba(200,162,92,.5);border-radius:30px;color:var(--gold-2);font-size:13px;letter-spacing:1px;margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.2;font-weight:900;margin-bottom:18px}
.hero h1 span{color:var(--gold-2)}
.hero p{font-size:18px;color:#c7d0e0;margin-bottom:30px;max-width:640px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{padding:13px 26px;border-radius:30px;font-weight:800;font-size:15px;transition:.2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--orange));color:#16243f}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(224,123,57,.35)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* ===== 数据条 ===== */
.stats{background:var(--navy);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:30px 22px}
.stat{text-align:center}
.stat b{display:block;font-size:34px;font-weight:900;color:var(--gold-2)}
.stat span{font-size:13px;color:#aeb8c9}

/* ===== 通用区块 ===== */
.section{padding:72px 0}
.section.alt{background:var(--bg-2)}
.sec-head{text-align:center;margin-bottom:46px}
.sec-head .k{color:var(--orange);font-weight:800;letter-spacing:3px;font-size:13px}
.sec-head h2{font-size:32px;font-weight:900;margin:10px 0 8px}
.sec-head p{color:var(--muted);max-width:640px;margin:0 auto}

/* ===== 卡片网格 ===== */
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);border-color:var(--gold)}
.card .ic{width:50px;height:50px;border-radius:13px;background:linear-gradient(135deg,rgba(200,162,92,.18),rgba(224,123,57,.18));display:flex;align-items:center;justify-content:center;color:var(--orange);margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}
.card .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.chip{font-size:12px;padding:4px 11px;background:#f1f3f7;border-radius:20px;color:#566;}

/* ===== 标签筛选 ===== */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.filter{padding:8px 18px;border:1px solid var(--line);border-radius:30px;background:#fff;cursor:pointer;font-size:14px;color:var(--muted);transition:.2s}
.filter:hover{border-color:var(--gold);color:var(--ink)}
.filter.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ===== 价格阶梯 ===== */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tier{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;position:relative}
.tier b{display:block;font-size:20px;color:var(--navy);font-weight:900}
.tier span{font-size:13px;color:var(--muted)}

/* ===== 客户 logo 墙 ===== */
.logos{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.logo-pill{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:14px;color:var(--ink);font-weight:600;transition:.2s}
.logo-pill:hover{border-color:var(--gold);color:var(--orange)}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 14px;text-align:center;position:relative}
.step .num{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--orange));color:#16243f;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.step h4{font-size:15px;margin-bottom:6px}
.step p{font-size:12.5px;color:var(--muted)}

/* ===== 联系 ===== */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.contact-card{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:20px;padding:36px}
.contact-card h3{font-size:22px;margin-bottom:8px}
.contact-card .row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.contact-card .row:last-child{border-bottom:0}
.contact-card .row .ic{width:40px;height:40px;border-radius:10px;background:rgba(200,162,92,.2);display:flex;align-items:center;justify-content:center;color:var(--gold-2);flex:0 0 40px}
.contact-card .row b{font-size:15px}
.contact-card .row span{font-size:13px;color:#c7d0e0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.form-card label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}
.form-card input,.form-card textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit}
.form-card input:focus,.form-card textarea:focus{outline:none;border-color:var(--gold)}
.note{font-size:12.5px;color:var(--muted);background:#fbf6ec;border:1px solid #f0e2c4;border-radius:10px;padding:12px 14px;margin-top:14px}

/* ===== 页脚 ===== */
.footer{background:var(--navy);color:#c7d0e0;padding:50px 0 26px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer a{display:block;color:#aeb8c9;font-size:14px;padding:5px 0}
.footer a:hover{color:var(--gold-2)}
.footer .brand{margin-bottom:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:18px;font-size:13px;color:#8c97a9;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom .sign{color:var(--gold-2);font-weight:700}
.footer-bottom .copy{display:inline-flex;align-items:center;flex-wrap:nowrap;gap:10px;min-width:0}
.footer-bottom .cr{line-height:1.4}
.footer-bottom .beian{flex:0 0 auto;white-space:nowrap;color:#aab3c2;text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.3);transition:color .2s,border-color .2s}
.footer-bottom .beian:hover{color:var(--gold-2);border-bottom-color:var(--gold-2)}

/* 页脚业务关键词（兼顾SEO与用户可读性） */
.footer-keywords{margin-top:14px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.12);font-size:12.5px;color:#9aa6ba;line-height:1.9;text-align:center;letter-spacing:.3px}
.footer-keywords:hover{color:#c7d0e0}

/* ===== 来源标注 ===== */
.source{font-size:12.5px;color:var(--muted);background:#f0f2f6;border-left:3px solid var(--gold);padding:12px 16px;border-radius:0 10px 10px 0;margin-top:30px}
.source b{color:var(--ink)}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}
  .tiers{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-menu{display:none;position:absolute;top:66px;left:0;right:0;background:var(--navy);flex-direction:column;padding:14px;gap:4px}
  .nav-menu.open{display:flex}
  .nav-toggle{display:block}
  .hero h1{font-size:32px}
  /* 手机端 hero 区：缩小字号 + 减小上下留白，防止文字被 overflow:hidden 裁切 */
  .hero-inner{padding:56px 0 48px}
  .hero .tag{font-size:12px;margin-bottom:14px}
  .hero h1{font-size:30px;line-height:1.25}
  .hero p{font-size:15.5px;line-height:1.8}
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .tiers{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr}
  .sec-head h2{font-size:26px}
}