/* ============================================
   模板 5: shanqu - 山水秘境
   风格:翠绿+雾白、山形剪影、竹林、远山
   适配:黄山、张家界、丽江、九寨沟等山岳景区
   ============================================ */
:root {
  --c-bg: #F4F8F0;
  --c-bg-alt: #E5EFDC;
  --c-card: #FFFFFF;
  --c-text: #1F3520;
  --c-text-2: #4A5C45;
  --c-text-3: #7A8B70;
  --c-accent: #2D6A4F;
  --c-accent-2: #95D5B2;
  --c-accent-3: #D8F3DC;
  --c-border: #D4E4C8;
  --c-grad-1: linear-gradient(135deg, #2D6A4F 0%, #1B4332 100%);
  --c-grad-2: linear-gradient(180deg, #D8F3DC 0%, #FFFFFF 100%);
  --font-body: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; -webkit-font-smoothing:antialiased; scroll-behavior:smooth; }
body { font-family:var(--font-body); background:var(--c-bg); color:var(--c-text); line-height:1.8; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
.container { max-width:1280px; margin:0 auto; padding:0 24px; }

/* Hero with mountains */
.sq-hero { position:relative; min-height:90vh; display:flex; flex-direction:column; background:linear-gradient(180deg, #D8F3DC 0%, #F4F8F0 70%); overflow:hidden; }
.sq-hero::before { content:""; position:absolute; bottom:0; left:0; right:0; height:50%; background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 40' preserveAspectRatio='none'><path d='M0 40 L0 25 L8 18 L18 22 L28 12 L40 20 L50 8 L60 18 L72 14 L82 22 L92 16 L100 20 L100 40 Z' fill='rgba(45,106,79,0.12)'/></svg>") center/100% 100% no-repeat; z-index:1; }
.sq-hero::after { content:""; position:absolute; bottom:0; left:0; right:0; height:30%; background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 40' preserveAspectRatio='none'><path d='M0 40 L0 30 L15 22 L25 28 L38 18 L50 24 L62 16 L75 22 L88 18 L100 24 L100 40 Z' fill='rgba(27,67,50,0.15)'/></svg>") center/100% 100% no-repeat; z-index:2; }
.sq-mist { position:absolute; top:30%; left:0; right:0; height:200px; background:linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.6) 50%, transparent 100%); pointer-events:none; z-index:2; }
.sq-nav { padding:24px 0; position:relative; z-index:5; }
.sq-nav-inner { display:flex; justify-content:space-between; align-items:center; }
.sq-logo { display:flex; align-items:center; gap:10px; font-size:20px; font-weight:700; }
.sq-logo-ic { width:38px; height:38px; background:var(--c-grad-1); color:#fff; display:flex; align-items:center; justify-content:center; border-radius:50%; }
.sq-logo span.tag { font-size:14px; color:var(--c-text-2); font-weight:400; padding-left:10px; margin-left:6px; border-left:1px solid var(--c-border); }
.sq-nav-links { display:flex; gap:28px; list-style:none; font-size:14px; }
.sq-nav-links a { color:var(--c-text-2); }
.sq-nav-links a:hover, .sq-nav-links a.cta { color:var(--c-accent); }
.sq-hero-body { flex:1; display:flex; align-items:center; padding:60px 0 140px; position:relative; z-index:3; }
.sq-eyebrow { display:inline-flex; align-items:center; gap:8px; padding:6px 16px; background:rgba(45,106,79,0.08); border-radius:999px; font-size:13px; color:var(--c-accent); margin-bottom:24px; }
.sq-eyebrow::before { content:"🏔"; }
.sq-title { font-size:clamp(36px, 5.5vw, 62px); font-weight:700; line-height:1.2; margin-bottom:24px; letter-spacing:-0.5px; }
.sq-title em { font-style:normal; color:var(--c-accent); }
.sq-sub { font-size:17px; color:var(--c-text-2); max-width:760px; margin-bottom:36px; }
.sq-actions { display:flex; gap:16px; flex-wrap:wrap; }
.sq-btn { display:inline-flex; align-items:center; gap:8px; padding:14px 28px; border-radius:8px; font-size:15px; font-weight:600; transition:all .25s; cursor:pointer; }
.sq-btn-pri { background:var(--c-grad-1); color:#fff; box-shadow:0 8px 24px rgba(45,106,79,0.25); }
.sq-btn-pri:hover { transform:translateY(-2px); }
.sq-btn-ghost { background:rgba(45,106,79,0.06); border:1px solid var(--c-accent); color:var(--c-accent); }
.sq-stats { display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; margin-top:64px; padding:32px; background:rgba(255,255,255,0.7); backdrop-filter:blur(20px); border:1px solid var(--c-border); border-radius:20px; }
.sq-stat-num { font-size:38px; font-weight:800; color:var(--c-accent); }
.sq-stat-num small { font-size:16px; }
.sq-stat-lbl { font-size:13px; color:var(--c-text-2); margin-top:4px; }

/* Section */
.sq-sec { padding:96px 0; position:relative; }
.sq-sec-alt { background:var(--c-bg-alt); }
.sq-head { text-align:center; margin-bottom:64px; }
.sq-eye { display:inline-block; font-size:12px; letter-spacing:3px; color:var(--c-accent); margin-bottom:12px; font-weight:700; }
.sq-h2 { font-size:clamp(28px, 3.5vw, 42px); font-weight:800; margin-bottom:16px; }
.sq-h2 em { font-style:normal; color:var(--c-accent); }
.sq-desc { font-size:16px; color:var(--c-text-2); max-width:700px; margin:0 auto; }

/* Cards */
.sq-grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; }
.sq-card { background:var(--c-card); border:1px solid var(--c-border); border-radius:16px; padding:32px; transition:all .3s; }
.sq-card:hover { transform:translateY(-4px); box-shadow:0 16px 40px rgba(45,106,79,0.12); border-color:var(--c-accent-2); }
.sq-card-icon { width:52px; height:52px; border-radius:14px; background:var(--c-grad-2); color:var(--c-accent); display:flex; align-items:center; justify-content:center; margin-bottom:20px; }
.sq-card h3 { font-size:20px; margin-bottom:12px; }
.sq-card p { font-size:14px; color:var(--c-text-2); }
.sq-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:16px; }
.sq-tags li { list-style:none; font-size:12px; padding:4px 12px; border-radius:999px; background:var(--c-accent-3); color:var(--c-accent); }

/* Strength */
.sq-strength { display:grid; grid-template-columns:repeat(6, 1fr); gap:16px; margin-bottom:48px; }
.sq-strength-i { text-align:center; padding:32px 12px; background:var(--c-card); border:1px solid var(--c-border); border-radius:16px; }
.sq-strength-n { font-size:32px; font-weight:800; color:var(--c-accent); }
.sq-strength-s { font-size:13px; color:var(--c-text-2); margin-top:4px; }
.sq-strength-l { font-size:12px; color:var(--c-text-3); margin-top:8px; }

/* Cases */
.sq-cases { display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; }
.sq-case { background:var(--c-card); border:1px solid var(--c-border); border-radius:16px; overflow:hidden; transition:all .3s; }
.sq-case:hover { transform:translateY(-4px); box-shadow:0 16px 40px rgba(45,106,79,0.12); }
.sq-case-cover { height:180px; position:relative; background:linear-gradient(135deg, #2D6A4F, #95D5B2); }
.sq-case-cover::before { content:""; position:absolute; inset:0; background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 30' preserveAspectRatio='none'><path d='M0 30 L0 15 L20 8 L40 14 L60 4 L80 12 L100 8 L100 30 Z' fill='rgba(255,255,255,0.2)'/></svg>") center/100% 100% no-repeat; }
.sq-case-tag { position:absolute; top:18px; left:18px; padding:4px 14px; background:rgba(255,255,255,0.95); border-radius:999px; font-size:12px; color:var(--c-accent); z-index:2; font-weight:600; }
.sq-case-body { padding:24px; }
.sq-case h4 { font-size:18px; margin-bottom:8px; }
.sq-case p { font-size:13px; color:var(--c-text-2); }

/* FAQ */
.sq-faq { max-width:880px; margin:0 auto; }
.sq-faq-i { background:var(--c-card); border:1px solid var(--c-border); border-radius:14px; margin-bottom:12px; padding:22px 26px; }
.sq-faq-i summary { list-style:none; cursor:pointer; display:flex; justify-content:space-between; align-items:center; font-size:16px; font-weight:600; }
.sq-faq-i summary::-webkit-details-marker { display:none; }
.sq-faq-i p { margin-top:14px; padding-top:14px; border-top:1px solid var(--c-border); font-size:14px; color:var(--c-text-2); }
.sq-faq-i summary::after { content:"+"; font-size:22px; color:var(--c-accent); }

/* Contact */
.sq-contact { display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; }
.sq-contact-i { padding:32px; background:var(--c-card); border:1px solid var(--c-border); border-radius:14px; text-align:center; }
.sq-contact-i .ic { width:48px; height:48px; margin:0 auto 16px; border-radius:14px; background:var(--c-grad-1); color:#fff; display:flex; align-items:center; justify-content:center; }
.sq-contact-i .lb { font-size:13px; color:var(--c-text-3); }
.sq-contact-i .vl { font-size:18px; font-weight:700; margin:8px 0; }
.sq-contact-i .tp { font-size:12px; color:var(--c-text-3); }

/* Footer */
.sq-foot { background:linear-gradient(180deg, #1B4332 0%, #0D2418 100%); color:#C8D6C0; padding:64px 0 24px; }
.sq-foot h4 { font-size:14px; color:#95D5B2; margin-bottom:16px; }
.sq-foot ul { list-style:none; }
.sq-foot li { font-size:13px; color:#9DB39B; margin-bottom:8px; }
.sq-foot a:hover { color:#95D5B2; }
.sq-foot-main { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:48px; margin-bottom:48px; }
.sq-foot-brand p { font-size:13px; color:#9DB39B; margin-top:12px; }
.sq-foot-cities { padding:32px 0; border-top:1px solid rgba(149,213,178,0.2); border-bottom:1px solid rgba(149,213,178,0.2); }
.sq-foot-cities h5 { font-size:13px; color:#95D5B2; margin-bottom:16px; }
.sq-foot-cities-grid { display:grid; grid-template-columns:repeat(10, 1fr); gap:8px 16px; }
.sq-foot-cities-grid a { font-size:12px; color:#9DB39B; }
.sq-foot-bot { padding-top:24px; text-align:center; font-size:12px; color:#7A8B7A; }

@media (max-width: 980px) {
  .sq-grid, .sq-cases, .sq-contact { grid-template-columns:1fr; }
  .sq-strength { grid-template-columns:repeat(2, 1fr); }
  .sq-foot-main { grid-template-columns:1fr 1fr; }
  .sq-foot-cities-grid { grid-template-columns:repeat(4, 1fr); }
  .sq-nav-links { display:none; }
  .sq-stats { grid-template-columns:repeat(2, 1fr); }
}