/* === 金桐邻家 主题（米白 + 香槟金 + 松柏绿） === */
:root{
  --bg:#faf7f2;
  --surface:#ffffff;
  --ink:#2c2c2c;
  --ink-soft:#6b6b6b;
  --line:#ebe2d2;
  --gold:#b8893e;
  --gold-light:#d4b97a;
  --gold-soft:#f4e9d0;
  --green:#2d5a3d;
  --green-light:#4a7a5a;
  --green-pale:#f0f5ef;
  --radius:14px;
  --shadow:0 10px 30px rgba(45,90,61,.08);
  --shadow-lg:0 20px 60px rgba(45,90,61,.12);
  --maxw:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  overflow-x:clip;
  width:100%;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--gold)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* === 顶部导航 === */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--green);font-size:18px}
.brand-logo{width:38px;height:38px;object-fit:contain;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{padding:8px 12px;border-radius:10px;color:var(--ink);font-size:15px;font-weight:500}
.nav-links a:hover{background:var(--green-pale);color:var(--green)}
.nav-links .cta{background:var(--gold);color:#fff!important;padding:8px 16px;border-radius:999px;margin-left:6px}
.nav-links .cta:hover{background:var(--green);color:#fff!important}
.menu-btn{display:none;background:none;border:0;font-size:28px;color:var(--green);cursor:pointer;padding:6px 10px}

/* === Hero === */
.hero{position:relative;background:linear-gradient(135deg,#2d5a3d 0%,#3a6b4a 60%,#b8893e 140%);color:#fff;padding:80px 0 100px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 300px at 20% 0%,rgba(212,185,122,.25),transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative}
.hero-text h1{font-size:48px;line-height:1.2;margin:0 0 16px;font-weight:800;letter-spacing:.5px}
.hero-sub{font-size:18px;opacity:.92;margin:0 0 28px;max-width:520px}
.hero-meta{display:flex;gap:24px;margin-top:32px;flex-wrap:wrap}
.hero-meta>div{display:flex;flex-direction:column;align-items:flex-start;padding-left:14px;border-left:2px solid var(--gold-light)}
.hero-meta>div span{font-size:22px;font-weight:800;color:var(--gold-light);line-height:1}
.hero-media{aspect-ratio:4/3;border-radius:24px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:18px;color:rgba(255,255,255,.85);overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:24px}
.hero-media.has-img{background:transparent;border:0}
.btn{display:inline-block;padding:14px 30px;background:var(--gold);color:#fff;border:0;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;transition:.2s}
.btn:hover{background:var(--green);color:#fff;transform:translateY(-1px)}

/* === 通用 section === */
.section{padding:80px 0}
.section.alt{background:linear-gradient(180deg,#fff 0%,#f6f0e1 100%)}
.sec-title{font-size:34px;font-weight:800;color:var(--green);text-align:center;margin:0 0 8px;position:relative}
.sec-title::after{content:"";display:block;width:60px;height:3px;background:var(--gold);margin:14px auto 0;border-radius:2px}
.sec-sub{text-align:center;color:var(--ink-soft);max-width:760px;margin:0 auto 40px}
.sub-title{font-size:22px;color:var(--green);margin:40px 0 20px;padding-left:14px;border-left:4px solid var(--gold)}

/* === about === */
.about-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:stretch}
.about-media{border-radius:24px;min-height:300px;background:linear-gradient(135deg,var(--green-pale),var(--gold-soft));display:flex;align-items:center;justify-content:center;color:var(--green);font-size:18px;overflow:hidden;position:relative}
.about-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:24px}

/* === 卡片网格 === */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;min-width:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;min-width:0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;min-width:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{margin:0 0 12px;color:var(--green);font-size:18px}
.card p{color:var(--ink-soft);margin:0;font-size:15px}
.card .ico{width:54px;height:54px;border-radius:14px;background:var(--gold-soft);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px}
.card .thumb{width:100%;height:140px;object-fit:cover;border-radius:12px;margin:6px 0 12px}

/* === 环境 === */
.env-img{aspect-ratio:4/3;border-radius:var(--radius);background:linear-gradient(135deg,var(--green-pale),var(--gold-soft));display:flex;align-items:center;justify-content:center;color:var(--ink-soft);overflow:hidden}
.env-img img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.room-img{aspect-ratio:4/3;border-radius:12px;background:linear-gradient(135deg,var(--green-pale),var(--gold-soft));display:flex;align-items:center;justify-content:center;color:var(--ink-soft);margin-bottom:14px;overflow:hidden}
.room-img img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.facilities{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-block;padding:5px 12px;background:var(--green-pale);color:var(--green);border-radius:999px;font-size:13px;margin:4px 4px 0 0}
.tag.lg{padding:10px 18px;font-size:14px;background:var(--surface);border:1px solid var(--line)}

/* === 入住流程 === */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;min-width:0}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px;min-width:0;position:relative}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--gold);color:#fff;font-weight:700;margin-bottom:6px}
.step h4{margin:0;color:var(--green);font-size:17px}
.step p{margin:0;color:var(--ink-soft);font-size:14px}
.price .price-num{font-size:26px;font-weight:800;color:var(--gold);margin:8px 0}
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;min-width:0}
.faq-item summary{font-weight:600;color:var(--green);cursor:pointer;outline:none}
.faq-item[open]{background:var(--green-pale)}
.faq-item p{margin:10px 0 0;color:var(--ink-soft)}

/* === 表单 === */
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;max-width:820px;margin:0 auto}
.form h3{margin:0 0 18px;color:var(--green)}
.form label{display:block;font-size:14px;color:var(--ink-soft);margin-bottom:14px}
.form input,.form select,.form textarea{width:100%;padding:11px 14px;margin-top:6px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:var(--bg);color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(184,137,62,.15)}
.form-msg{display:inline-block;margin-left:14px;color:var(--green);font-size:14px}

/* === 邻家生活 === */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:18px}
.act-img{aspect-ratio:4/3;border-radius:12px;background:linear-gradient(135deg,var(--green-pale),var(--gold-soft));display:flex;align-items:center;justify-content:center;color:var(--ink-soft);margin-bottom:14px;overflow:hidden}
.act-img img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.story{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:18px;margin-bottom:14px;min-width:0}
.story h4{margin:0 0 6px;color:var(--green)}
.story p{margin:0;color:var(--ink-soft);font-size:14px}
.story .link{display:inline-block;margin-top:8px;font-size:14px}

/* === 新闻 === */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:0;display:flex;flex-direction:column}
.news-img{aspect-ratio:16/10;background:linear-gradient(135deg,var(--green-pale),var(--gold-soft));display:flex;align-items:center;justify-content:center;color:var(--ink-soft);overflow:hidden}
.news-img img{width:100%;height:100%;object-fit:cover}
.news-body{padding:20px;flex:1}
.news-date{font-size:13px;color:var(--gold);margin-bottom:8px}
.news-card h3{margin:0 0 8px;color:var(--green);font-size:17px}
.news-card p{margin:0;color:var(--ink-soft);font-size:14px}

/* === 联系 === */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:start}
.contact-info .info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.contact-info h4{margin:18px 0 4px;color:var(--green);font-size:15px}
.contact-info h4:first-child{margin-top:0}
.contact-info p{margin:0;color:var(--ink-soft);font-size:15px}

/* === 底部 === */
.footer{background:var(--green);color:#fff;padding:50px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;margin-bottom:12px}
.foot-brand .brand-logo{filter:brightness(0) invert(1);width:34px;height:34px}
.foot-slogan{color:var(--gold-light);margin:0 0 10px}
.foot-intro{color:rgba(255,255,255,.78);margin:0;font-size:14px}
.footer h4{color:var(--gold-light);margin:0 0 14px;font-size:15px}
.footer p{margin:8px 0;color:rgba(255,255,255,.85);font-size:14px}
.footer a{color:rgba(255,255,255,.85)}
.footer a:hover{color:var(--gold-light)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;text-align:center;color:rgba(255,255,255,.6);font-size:13px}
.beian{margin-top:6px;font-size:13px;line-height:1.6}
.beian a{color:rgba(255,255,255,.6);text-decoration:none}
.beian a:hover{color:var(--gold-light);text-decoration:underline}

/* =====================
   响应式（三端适配 + 无横向滚动）
   ===================== */

/* 桌面窄屏 / 平板宽 */
@media (max-width:1100px){
  .container{padding:0 20px}
  .hero{padding:64px 0 80px}
  .hero-grid{gap:32px}
  .hero-text h1{font-size:40px}
  .grid-3,.news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
}

/* 平板 / 大手机 */
@media (max-width:920px){
  .hero-grid,.about-wrap,.two-col,.contact-wrap,.foot-grid{grid-template-columns:1fr}
  .hero-text h1{font-size:34px}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;top:72px;left:0;right:0;
    background:#fff;padding:14px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav-links.open a{padding:12px 8px;border-radius:8px}
  .nav-links.open .cta{margin:8px 0 0;text-align:center}
  .menu-btn{display:block}
  .hero-meta{gap:18px}
  .section{padding:54px 0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}

/* 手机 */
@media (max-width:560px){
  .container{padding:0 16px}
  .nav{height:64px}
  .brand-logo{width:32px;height:32px}
  .brand{font-size:16px}
  .nav-links.open{top:64px}
  .hero{padding:48px 0 64px}
  .hero-text h1{font-size:28px;line-height:1.25}
  .hero-sub{font-size:16px}
  .btn{padding:12px 22px;font-size:15px}
  .grid-2,.grid-3,.grid-4,.news-grid,.steps{grid-template-columns:1fr}
  .section{padding:44px 0}
  .sec-title{font-size:26px}
  .form{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .card,.form{padding:18px}
  .hero-media{aspect-ratio:4/3}
}