/* ===== 蓝顶77栋 招商站样式 ===== */
:root{
  --ink:#111; --gray:#6b6b6b; --line:#e4e2de; --bg:#faf9f6;
  --accent:#9a3b26; --accent-dark:#7a2c1b;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:#fff;line-height:1.7}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.site-head{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px}
.brand{font-weight:700;font-size:19px;letter-spacing:1px;white-space:nowrap}
.brand small{display:block;font-size:10px;font-weight:400;color:var(--gray);letter-spacing:2px;margin-top:2px}
.menu{display:flex;gap:6px;flex-wrap:wrap}
.menu a{font-size:14.5px;color:#333;padding:6px 12px;border-radius:4px;transition:.2s}
.menu a:hover{color:var(--accent);background:#f5f0ec}
.menu a.active{color:var(--accent);font-weight:600}
.hamburger{display:none;background:none;border:1px solid var(--line);border-radius:6px;font-size:20px;padding:4px 12px;cursor:pointer}

/* ===== 右侧悬浮栏 ===== */
.side-float{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:200;display:flex;flex-direction:column;gap:10px;align-items:center}
.float-btn{display:block;width:56px;padding:10px 4px;text-align:center;border-radius:10px;font-size:12.5px;line-height:1.4;background:#fff;border:1px solid var(--line);box-shadow:0 4px 14px rgba(0,0,0,.08);color:var(--ink)}
.float-btn:hover{border-color:var(--accent);color:var(--accent)}
.float-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.float-primary:hover{background:var(--accent-dark);color:#fff}
.float-call{font-size:11.5px;line-height:1.35}
.qr-box{display:none;position:absolute;right:64px;top:50%;transform:translateY(-50%);background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:12px;color:var(--gray);box-shadow:0 4px 14px rgba(0,0,0,.1);width:202px}
.qr-box img{display:block;width:180px;height:auto;max-width:none;border-radius:6px}
.float-qr{position:relative;cursor:pointer;outline:none}
.float-qr:hover .qr-box,.float-qr:focus .qr-box{display:block}

/* ===== 首屏 Hero ===== */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.72)}
.hero-inner{position:relative;z-index:2;max-width:1120px;margin:0 auto;padding:48px 24px}
.hero h1{font-size:44px;font-weight:800;letter-spacing:3px;line-height:1.25}
.hero h1 span{font-size:26px;font-weight:500;letter-spacing:6px;opacity:.95}
.hero-sub{margin-top:18px;font-size:17px;opacity:.95;letter-spacing:1px}
.hero-slogan{margin-top:10px;font-size:15px;opacity:.8}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 28px;border-radius:6px;font-size:15px;font-weight:600;letter-spacing:1px;border:1px solid var(--accent);transition:.2s;cursor:pointer}
.btn:hover{background:var(--accent-dark)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:rgba(255,255,255,.85)}
.btn-dark{display:inline-block;background:var(--ink);color:#fff;padding:12px 28px;border-radius:6px;font-size:15px;font-weight:600;letter-spacing:1px;transition:.2s}
.btn-dark:hover{background:#333}
.hero .btn{margin-top:28px}

/* ===== 通用板块 ===== */
.section{padding:72px 0}
.section-gray{background:var(--bg)}
.sec-head{margin-bottom:40px}
.kicker{font-size:12px;letter-spacing:4px;color:var(--gray);text-transform:uppercase}
.sec-head h2{font-size:32px;font-weight:800;letter-spacing:2px;margin-top:8px}
.sec-head p{color:var(--gray);margin-top:10px;font-size:15px}
.sec-h3{font-size:18px;font-weight:700;margin:44px 0 18px;padding-left:12px;border-left:3px solid var(--accent)}
.sec-h4{font-size:15px;font-weight:600;margin:24px 0 12px;color:#444}
.para{color:#444;font-size:15px;max-width:820px}
.note{color:var(--gray);font-size:12.5px;margin-top:12px}
.plain-list{padding-left:20px;color:#444;font-size:14.5px;line-height:2.2}
.plain-list strong{color:var(--ink)}

/* ===== 卡片 ===== */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.25s}
.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-2px)}
.card .body{padding:20px}
.card .tag{display:inline-block;border:1px solid var(--line);color:var(--gray);font-size:11.5px;padding:2px 10px;border-radius:20px;margin-bottom:10px}
.card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.card p{color:var(--gray);font-size:13.5px;line-height:1.7}
.card img{width:100%;height:200px;object-fit:cover}
.card img.plan{height:300px;object-fit:contain;background:#f7f5f1}
.card-link{display:block}
.more{display:block;margin-top:12px;font-size:13px;color:var(--accent);font-weight:600}

/* ===== 图片组 ===== */
.figure{margin-bottom:4px}
.figure img{width:100%;height:380px;object-fit:cover;border-radius:8px;cursor:zoom-in}
.figure .cap{font-size:12.5px;color:var(--gray);padding:8px 4px 14px;line-height:1.6}

/* ===== 表格 ===== */
.floor-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.floor-table th,.floor-table td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.floor-table th{background:#f3f0eb;font-weight:600;white-space:nowrap}
.floor-table td{color:#333;line-height:1.7}

/* ===== FAQ 折叠 ===== */
.faq-list{max-width:860px}
.faq-list details{border:1px solid var(--line);border-radius:8px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-list summary{cursor:pointer;padding:15px 20px;font-size:15px;font-weight:600;list-style:none;position:relative;padding-right:40px}
.faq-list summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--accent);transition:.2s}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{padding:4px 20px 16px;color:#444;font-size:14px;line-height:1.9}

/* ===== 表单 ===== */
.book-form{max-width:560px;display:flex;flex-direction:column;gap:12px}
.book-form input,.book-form textarea{border:1px solid var(--line);border-radius:6px;padding:12px 14px;font-size:14px;font-family:inherit;background:#fff}
.book-form input:focus,.book-form textarea:focus{outline:none;border-color:var(--accent)}
.book-form button{align-self:flex-start}

/* ===== 联系卡 ===== */
.contact-card{border:1px solid var(--line);border-radius:10px;padding:20px;background:#fff;text-align:center}
.contact-card .label{font-size:12px;color:var(--gray);letter-spacing:1px}
.contact-card .val{font-size:18px;font-weight:700;margin-top:6px}

/* ===== 电话按钮（不显示号码，点击直接拨号） ===== */
.call-btn{display:inline-block;background:var(--accent);color:#fff;padding:11px 22px;border-radius:6px;font-size:15px;font-weight:600;letter-spacing:1px;white-space:nowrap;transition:.2s}
.call-btn:hover{background:var(--accent-dark);color:#fff}
.call-btn-sm{padding:7px 16px;font-size:13px;letter-spacing:.5px}

/* ===== 招商微信二维码（悬浮展开 + 板块内嵌） ===== */
.qr-inline{display:flex;gap:24px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 24px}
.qr-inline img{display:block;width:190px;height:auto;max-width:none;border-radius:8px;border:1px solid var(--line)}
.qr-inline-txt{flex:1;min-width:220px;color:#444;font-size:14.5px;line-height:1.8}
.qr-inline-txt p{margin:0 0 8px}

/* ===== 快速引导 ===== */
.hero-brief{margin:36px 0 0;padding:20px 24px;background:var(--bg);border-radius:10px;color:#444;font-size:15px;line-height:1.9;max-width:860px}
.hero-brief strong{color:var(--ink)}
.quick-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

/* ===== 地图 ===== */
.map-wrap{overflow:hidden;border-radius:10px;border:1px solid var(--line);background:#eef0f2}
.map-wrap iframe{display:block}

/* ===== 页脚 ===== */
.site-foot{background:#16130f;color:#cfc9c2;padding:44px 0 36px}
.foot-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot-inner p{font-size:13px;line-height:2;color:#a89f95}
.foot-nav a{color:#cfc9c2;font-size:13px;margin:0 3px}
.foot-nav a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:860px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .figure img{height:300px}
  .hero h1{font-size:32px}
  .hero h1 span{font-size:19px}
}
@media (max-width:560px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .menu{display:none;flex-direction:column;width:100%;padding-top:10px}
  .menu.open{display:flex}
  .hamburger{display:block}
  .nav{flex-wrap:wrap}
  .hero{min-height:70vh}
  .hero h1{font-size:26px;letter-spacing:2px}
  .hero-sub{font-size:14px}
  .section{padding:52px 0}
  .sec-head h2{font-size:25px}
  .figure img{height:auto;max-height:340px}
  .side-float{right:8px}
  .float-btn{width:48px;font-size:11px}
  .floor-table{font-size:12.5px}
  .floor-table th,.floor-table td{padding:8px 9px}
}