/* ===================== 全屋智能设计中心 · 官网 ===================== */
:root{
  --primary:#0e7c86;        /* 青蓝主色 */
  --primary-dark:#0a5d64;
  --primary-soft:#e6f4f5;
  --accent:#f08a24;         /* 暖橙点缀 */
  --ink:#15232b;
  --muted:#5f717b;
  --line:#e7ecef;
  --bg:#ffffff;
  --bg-alt:#f5f8f9;
  --radius:14px;
  --shadow:0 8px 30px rgba(16,60,68,.08);
  --shadow-lg:0 18px 50px rgba(16,60,68,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}
.muted{color:var(--muted)}
.loading{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:10px;padding:11px 22px;font-size:15px;cursor:pointer;transition:.2s;font-family:inherit;white-space:nowrap}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-block{width:100%}
.btn-primary{background:linear-gradient(135deg,var(--primary),#129aa5);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,124,134,.36)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{box-shadow:0 4px 18px rgba(0,0,0,.05)}
.nav-inner{display:flex;align-items:center;height:66px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#129aa5);color:#fff;font-size:18px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px}
.nav-links a{color:var(--muted);font-weight:500;transition:.2s;position:relative}
.nav-links a:hover{color:var(--primary)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-phone{font-weight:700;color:var(--primary);font-size:16px;letter-spacing:.5px}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,#0b4a50 0%,#0e7c86 55%,#129aa5 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(240,138,36,.35),transparent 70%)}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:84px 0 92px;position:relative;z-index:1}
.hero-badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:7px 16px;border-radius:30px;font-size:13.5px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.22;font-weight:800;letter-spacing:1px}
.hero h1 .hl{color:#ffc884}
.hero-sub{margin:22px 0 30px;font-size:17px;color:rgba(255,255,255,.88);max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:42px;flex-wrap:wrap}
.hero-stats li{list-style:none}
.hero-stats b{display:block;font-size:30px;font-weight:800;color:#ffd9a6}
.hero-stats span{font-size:13.5px;color:rgba(255,255,255,.8)}

.hero-art{position:relative;height:360px}
.art-glow{position:absolute;inset:0;background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.18),transparent 65%)}
.art-card{position:absolute;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(10px);border-radius:18px;padding:24px 26px;text-align:center;font-size:40px;box-shadow:var(--shadow-lg);animation:float 5s ease-in-out infinite}
.art-card p{font-size:15px;margin-top:10px;color:#fff;font-weight:600}
.art-card-1{left:2%;top:8%;width:180px}
.art-card-2{right:0;top:0;width:190px;animation-delay:.8s}
.art-card-3{left:18%;bottom:4%;width:220px;animation-delay:1.6s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---------- 通用区块 ---------- */
.section{padding:78px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16px}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.flow-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.25s}
.flow-item:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.flow-no{position:absolute;right:20px;top:16px;font-size:34px;font-weight:800;color:var(--primary-soft);line-height:1}
.flow-ico{font-size:34px;margin-bottom:14px}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{color:var(--muted);font-size:14.5px}

/* ---------- 平台 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.platform-card{background:#fff;border-radius:var(--radius);padding:30px 22px;text-align:center;border:1px solid var(--line);transition:.25s}
.platform-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.plat-logo{width:64px;height:64px;border-radius:16px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:22px;margin:0 auto 16px}
.platform-card h3{font-size:18px}
.platform-card p{color:var(--muted);font-size:14px;margin-top:6px}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s;position:relative;overflow:hidden}
.scene-card::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--primary);opacity:0;transition:.25s}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene-card:hover::before{opacity:1}
.scene-ico{font-size:30px;margin-bottom:12px}
.scene-card h3{font-size:17px;margin-bottom:8px}
.scene-card p{color:var(--muted);font-size:14px}
.scene-rooms{display:inline-block;margin-top:12px;font-size:12px;color:var(--primary);background:var(--primary-soft);padding:3px 10px;border-radius:20px}

/* ---------- 风格 ---------- */
.style-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px}
.style-card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s}
.style-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.style-swatch{height:120px;position:relative;display:flex;align-items:flex-end;padding:14px}
.style-swatch::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.35))}
.style-swatch span{position:relative;z-index:1;color:#fff;font-weight:700;font-size:18px}
.style-body{padding:16px 18px}
.style-body h3{font-size:16px;margin-bottom:6px}
.style-body p{color:var(--muted);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 设备 ---------- */
.dev-filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.dev-filters input,.dev-filters select{padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;background:#fff;min-width:180px}
.dev-filters input{flex:1;min-width:240px}
.dev-filters input:focus,.dev-filters select:focus{outline:none;border-color:var(--primary)}
.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.device-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.device-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.dev-thumb{height:150px;background:var(--bg-alt);display:grid;place-items:center;font-size:46px;color:var(--primary)}
.dev-thumb img{width:100%;height:100%;object-fit:cover}
.dev-body{padding:16px 18px;display:flex;flex-direction:column;gap:7px;flex:1}
.dev-brand{display:flex;align-items:center;gap:8px;font-size:12px}
.dev-pbadge{color:#fff;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600}
.dev-cat{color:var(--muted)}
.dev-name{font-size:15.5px;font-weight:700;line-height:1.4}
.dev-spec{color:var(--muted);font-size:12.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.dev-foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.dev-price{color:var(--accent);font-weight:800;font-size:19px}
.dev-pref{font-size:11px;color:var(--primary);background:var(--primary-soft);padding:2px 8px;border-radius:6px}
.dev-more-wrap{text-align:center;margin-top:36px}

/* ---------- 服务 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.s-ico{font-size:32px;margin-bottom:14px}
.service-item h3{font-size:17px;margin-bottom:8px}
.service-item p{color:var(--muted);font-size:14.5px}

/* ---------- 预约 ---------- */
.booking{background:linear-gradient(135deg,#0b4a50,#0e7c86);color:#fff}
.booking-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.booking-copy h2{font-size:clamp(24px,3vw,33px);font-weight:800}
.booking-copy>p{color:rgba(255,255,255,.85);margin:14px 0 24px}
.booking-points{list-style:none;display:grid;gap:12px}
.booking-points li{font-size:15.5px;color:#ffd9a6}
.booking-hotline{margin-top:28px;font-size:16px}
.booking-hotline b{font-size:22px;color:#ffc884;letter-spacing:.5px}
.booking-form{background:#fff;color:var(--ink);border-radius:18px;padding:32px;box-shadow:var(--shadow-lg)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.booking-form label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:14px;font-weight:600}
.booking-form label.full{grid-column:1/-1}
.booking-form input,.booking-form select,.booking-form textarea{width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit;color:var(--ink)}
.booking-form input:focus,.booking-form select:focus,.booking-form textarea:focus{outline:none;border-color:var(--primary)}
.booking-form textarea{resize:vertical}
.form-tip{font-size:12px;color:var(--muted);text-align:center;margin-top:12px}
.form-result{margin-top:14px;padding:14px 16px;border-radius:10px;font-size:14.5px;text-align:center}
.form-result.ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.form-result.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

/* ---------- 页脚 ---------- */
.footer{background:#0e1b20;color:#c3d0d5;padding:56px 0 0}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col p,.foot-col a{display:block;color:#9fb3ba;font-size:14px;margin-bottom:10px}
.foot-col a:hover{color:#fff}
.foot-about .brand{color:#fff;margin-bottom:12px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .hero-inner,.booking-inner{grid-template-columns:1fr}
  .hero-art{display:none}
  .flow-grid,.service-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;top:66px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 0;box-shadow:var(--shadow);border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 6%;color:var(--ink);border-top:1px solid var(--line)}
  .nav-toggle{display:block}
  .nav-phone{display:none}
}
@media(max-width:600px){
  .flow-grid,.service-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .hero-stats{gap:22px}
  .section{padding:56px 0}
  .booking-form{padding:24px 20px}
}