/* ============================================================
   小岚之家 · 全局样式 style.css
   品牌：南京家庭式渐层猫舍 ｜ 主色暖金 #C89B5E
   纯CSS3，无第三方框架，响应式三端
   ============================================================ */
:root{
  --gold:#C89B5E;            /* 主色 暖金 */
  --gold-dark:#A87E45;       /* 深金  hover */
  --brown:#5B4632;           /* 深棕 标题 */
  --cream:#FAF6F0;           /* 米白 背景 */
  --cream-2:#F3EADE;
  --text:#3A332B;            /* 正文 */
  --muted:#8A7E6E;           /* 次要文字 */
  --line:#EAE1D4;            /* 分隔线 */
  --white:#fff;
  --green:#6E9A63;           /* 保障/正向 */
  --radius:14px;
  --shadow:0 8px 30px rgba(91,70,50,.08);
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:var(--white);line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--gold-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
h1,h2,h3,h4{color:var(--brown);line-height:1.35;font-weight:700}
h1{font-size:2.1rem}h2{font-size:1.6rem}h3{font-size:1.25rem}h4{font-size:1.08rem}
p{margin:.6em 0}
ul,ol{padding-left:1.3em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:64px 0}
.section.alt{background:var(--cream)}
.eyebrow{color:var(--gold);font-weight:700;letter-spacing:2px;font-size:.9rem}
.text-center{text-align:center}
.muted{color:var(--muted)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brown);font-size:1.25rem}
.brand .logo-mark{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#E3C188,var(--gold));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem}
.brand small{display:block;font-size:.68rem;color:var(--muted);font-weight:500;letter-spacing:1px}
.nav-links{display:flex;gap:6px;list-style:none;align-items:center}
.nav-links a{padding:9px 13px;border-radius:8px;color:var(--text);font-size:.96rem}
.nav-links a:hover,.nav-links a.active{background:var(--cream);color:var(--gold-dark)}
.nav-cta{background:var(--gold)!important;color:#fff!important}
.nav-cta:hover{background:var(--gold-dark)!important}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--brown);cursor:pointer}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:13px 28px;border-radius:50px;font-weight:700;cursor:pointer;
  border:1px solid transparent;font-size:1rem;transition:all .2s}
.btn-primary{background:var(--gold);color:#fff}
.btn-primary:hover{background:var(--gold-dark);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:var(--gold);color:var(--gold-dark);background:transparent}
.btn-outline:hover{background:var(--cream)}
.btn-lg{padding:16px 36px;font-size:1.08rem}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#FDF8F1 0%,#F6ECDC 100%);padding:72px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:2.6rem;margin:14px 0 18px}
.hero p.lead{font-size:1.12rem;color:#6a5c48}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.hero-card{background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:26px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.badge{background:var(--cream);border:1px solid var(--line);color:var(--brown);
  padding:6px 14px;border-radius:50px;font-size:.85rem;font-weight:600}
.badge.gold{background:#F6E8D2;border-color:#E7CEA4;color:var(--gold-dark)}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:all .25s;display:block}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#E3D2B6}
.card .ico{width:52px;height:52px;border-radius:14px;background:var(--cream);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:14px}
.card h3{margin-bottom:8px}
.card .more{color:var(--gold-dark);font-weight:700;font-size:.92rem;margin-top:10px;display:inline-block}
.card.alt{background:var(--cream)}

/* ---------- 区块标题 ---------- */
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.section-head h2{margin:10px 0 12px}

/* ---------- 特性列表 ---------- */
.feature-list{list-style:none;padding:0}
.feature-list li{padding:12px 0 12px 36px;position:relative;border-bottom:1px dashed var(--line)}
.feature-list li:last-child{border-bottom:0}
.feature-list li::before{content:"✓";position:absolute;left:0;top:12px;width:24px;height:24px;
  background:var(--green);color:#fff;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:.8rem}

/* ---------- 步骤 ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step::before{counter-increment:step;content:counter(step);display:block;width:42px;height:42px;
  border-radius:50%;background:var(--gold);color:#fff;font-weight:800;font-size:1.2rem;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h4{margin-bottom:6px}

/* ---------- FAQ 手风琴 ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-item summary{padding:18px 22px;font-weight:700;color:var(--brown);cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--gold)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-a{padding:0 22px 18px;color:#5d5345}

/* ---------- 评价 ---------- */
.review{background:var(--cream);border-radius:var(--radius);padding:26px}
.review .stars{color:var(--gold);letter-spacing:2px;margin-bottom:8px}
.review .who{margin-top:12px;font-weight:700;color:var(--brown)}
.review .who span{color:var(--muted);font-weight:400;font-size:.9rem}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--cream);border-bottom:1px solid var(--line);padding:14px 0;font-size:.9rem}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.crumb li::after{content:"/";margin-left:8px;color:var(--muted)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--muted)}
.crumb .cur{color:var(--brown);font-weight:600}

/* ---------- 页面通用 ---------- */
.page-hero{background:linear-gradient(160deg,#FDF8F1,#F6ECDC);padding:54px 0}
.page-hero h1{margin:10px 0 12px}
.sidebar{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.side-box{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:22px}
.side-box h4{margin-bottom:12px}
.side-nav{list-style:none;padding:0}
.side-nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--text)}
.side-nav a:hover,.side-nav a.cur{background:#fff;color:var(--gold-dark);font-weight:600}
.table-info{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
.table-info th,.table-info td{padding:13px 16px;border:1px solid var(--line);text-align:left;font-size:.95rem}
.table-info th{background:var(--cream);color:var(--brown);width:32%}

/* ---------- CTA 条 ---------- */
.cta-band{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;border-radius:20px;
  padding:46px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{opacity:.95}
.cta-band .btn{background:#fff;color:var(--gold-dark);margin-top:16px}

/* ---------- 资质 ---------- */
.qual{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:20px;margin-bottom:14px}
.qual .qico{font-size:1.6rem}
.qual .status{font-size:.82rem;color:var(--muted)}

/* ---------- 地图/联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.contact-item .ci-ico{width:46px;height:46px;border-radius:12px;background:var(--cream);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex:0 0 46px}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:340px;
  background:linear-gradient(135deg,#EFE4D2,#E3D2B6);display:flex;align-items:center;justify-content:center;
  color:var(--brown);flex-direction:column;gap:8px;text-align:center;padding:20px}

/* ---------- 底部 ---------- */
.site-footer{background:#33271c;color:#cfc2b0;padding:56px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.site-footer h4{color:#f2e7d6;margin-bottom:14px;font-size:1.05rem}
.site-footer a{color:#b8a994}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;padding:0}
.site-footer li{margin-bottom:9px}
.footer-brand{font-weight:800;color:#fff;font-size:1.3rem;display:flex;gap:10px;align-items:center}
.footer-bottom{border-top:1px solid #4a3c2c;margin-top:40px;padding:20px 0;font-size:.86rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#9c8d78}

/* ---------- 图片懒加载占位 ---------- */
.lazy{background:var(--cream)}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav-links{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;padding:12px;border-bottom:1px solid var(--line);display:none;gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 16px}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  h1{font-size:1.7rem}.hero h1{font-size:1.9rem}
  .section{padding:46px 0}
  .cta-band{padding:32px 22px}
}