/* ============================================================
   品牌名 | 人工繁育捕鸟蛛供应商 | 宠物蜘蛛繁育基地
   暗黑生态风 · 纯静态 SEO 站点
   ============================================================ */

:root {
  --bg:        #0c0e0c;
  --bg-2:      #11150f;
  --surface:   #161b13;
  --surface-2: #1d2418;
  --border:    #2a3322;
  --text:      #e9e7df;
  --muted:     #a7a89a;
  --accent:    #d4a843;   /* 琥珀金 */
  --accent-2:  #e9c66a;
  --green:     #5a8a5f;   /* 苔绿 */
  --green-2:   #79b07e;
  --danger:    #c9603f;
  --radius:    14px;
  --shadow:    0 10px 30px rgba(0,0,0,.45);
  --maxw:      1140px;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(212,168,67,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(90,138,95,.10), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent-2); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }

img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

h1,h2,h3,h4 { line-height: 1.3; font-weight: 800; letter-spacing: .5px; }
h2.section-title { font-size: clamp(1.5rem, 3.5vw, 2.2rem); text-align: center; }
.section-title .accent { color: var(--accent); }
.section-sub { text-align: center; color: var(--muted); max-width: 640px; margin: 12px auto 0; }

.section { padding: 72px 0; }
.section.alt { background: linear-gradient(180deg, transparent, rgba(0,0,0,.25)); }

.eyebrow {
  display: inline-block; font-size: .82rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 14px; background: rgba(212,168,67,.06);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer; font-size: 1rem;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1a1405; box-shadow: 0 8px 22px rgba(212,168,67,.28);
}
.btn-primary:hover { color: #1a1405; box-shadow: 0 12px 28px rgba(212,168,67,.40); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12,14,12,.82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 1.15rem; color: var(--text); }
.brand .logo {
  width: 36px; height: 36px; border-radius: 9px; object-fit: cover; display: block;
  border: 1px solid var(--border); background:#000; flex:0 0 auto;
}
.brand .tag { font-size: .68rem; color: var(--muted); font-weight: 600; letter-spacing: 1px; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a { color: var(--text); font-weight: 600; font-size: .96rem; position: relative; }
.nav-links a::after {
  content:""; position:absolute; left:0; bottom:-6px; width:0; height:2px;
  background: var(--accent); transition: width .25s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { font-weight: 800; color: var(--accent); white-space: nowrap; }
.nav-toggle { display:none; background:none; border:1px solid var(--border); border-radius:8px; color:var(--text); width:42px; height:40px; font-size:1.3rem; cursor:pointer; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 84px 0 72px; overflow: hidden; }
.hero::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background: radial-gradient(700px 360px at 70% 30%, rgba(90,138,95,.18), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 18px 0; }
.hero h1 .accent { color: var(--accent); }
.hero p.lead { font-size: 1.12rem; color: var(--muted); margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats .stat strong { display: block; font-size: 1.7rem; color: var(--accent); }
.hero-stats .stat span { font-size: .85rem; color: var(--muted); }
.hero-art {
  border-radius: 20px; border: 1px solid var(--border); padding: 26px;
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  box-shadow: var(--shadow);
}
.hero-art .spider-emoji { font-size: 4.5rem; text-align:center; }
.hero-photo { width:100%; height:auto; display:block; border-radius:14px; border:1px solid var(--border); box-shadow: var(--shadow); }
.hero-art figcaption { text-align:center; color:var(--muted); font-size:.82rem; margin-top:10px; }

/* Hero 实拍轮播 */
.hero-carousel { position:relative; width:100%; aspect-ratio:4/5; border-radius:16px; overflow:hidden;
  border:1px solid var(--border); box-shadow:var(--shadow); background:#000; }
.hero-carousel .hc-slide { position:absolute; inset:0; margin:0; opacity:0; transition:opacity .7s ease; pointer-events:none; }
.hero-carousel .hc-slide.is-active { opacity:1; pointer-events:auto; }
.hero-carousel .hc-slide img { width:100%; height:100%; object-fit:cover; display:block; }
.hero-carousel .hc-slide figcaption { position:absolute; left:0; right:0; bottom:0; text-align:left; margin:0;
  padding:32px 16px 22px; color:#fff; font-size:.92rem; font-weight:700; letter-spacing:.3px;
  background:linear-gradient(transparent, rgba(0,0,0,.8)); }
.hc-prev, .hc-next { position:absolute; top:50%; transform:translateY(-50%); z-index:3; width:40px; height:40px;
  border:none; border-radius:50%; background:rgba(0,0,0,.42); color:#fff; font-size:1.5rem; line-height:1; cursor:pointer;
  display:grid; place-items:center; transition:background .2s,color .2s; }
.hc-prev:hover, .hc-next:hover { background:rgba(212,168,67,.92); color:#1a1405; }
.hc-prev { left:10px; } .hc-next { right:10px; }
.hc-dots { position:absolute; left:0; right:0; bottom:8px; z-index:3; display:flex; gap:7px; justify-content:center; }
.hc-dots button { width:8px; height:8px; padding:0; border:none; border-radius:50%; background:rgba(255,255,255,.55);
  cursor:pointer; transition:width .25s,background .25s,border-radius .25s; }
.hc-dots button.is-active { background:var(--accent); width:20px; border-radius:4px; }
@media (max-width:680px){ .hero-carousel { aspect-ratio:1/1; } }
.hero-art ul { list-style:none; margin-top: 14px; }
.hero-art li { display:flex; gap:10px; padding:9px 0; border-bottom:1px dashed var(--border); color:var(--text); font-size:.96rem; }
.hero-art li:last-child{ border-bottom:none; }
.hero-art li .ic { color: var(--green-2); }

/* ---------- 信任条 ---------- */
.trustbar { border-top:1px solid var(--border); border-bottom:1px solid var(--border); background: var(--bg-2); }
.trustbar .row { display:flex; flex-wrap:wrap; justify-content:space-around; gap:18px; padding:22px 0; text-align:center; }
.trustbar .item { color: var(--muted); font-size:.95rem; }
.trustbar .item b { color: var(--text); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow); }
.card .ic-badge { width:52px; height:52px; border-radius:12px; display:grid; place-items:center; font-size:1.6rem; background: rgba(212,168,67,.1); border:1px solid var(--border); margin-bottom:14px; }
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .96rem; }

/* ---------- 品种卡 ---------- */
.species-card { overflow:hidden; padding:0; }
.species-card .thumb { height: 200px; display:grid; place-items:center; font-size:3.4rem; overflow:hidden;
  background: radial-gradient(circle at 50% 40%, var(--surface-2), var(--bg-2)); border-bottom:1px solid var(--border); }
.species-card .thumb img { width:100%; height:100%; object-fit:cover; transition: transform .4s; }
.species-card:hover .thumb img { transform: scale(1.06); }
.species-card .body { padding: 20px; }
.species-card .meta { display:flex; gap:8px; flex-wrap:wrap; margin:10px 0 12px; }
.tag-pill { font-size:.74rem; padding:3px 10px; border-radius:999px; border:1px solid var(--border); color:var(--muted); }
.tag-pill.beginner { color:var(--green-2); border-color: rgba(121,176,126,.5); }
.tag-pill.advanced { color:var(--accent); border-color: rgba(212,168,67,.5); }
.species-card .price { color: var(--accent); font-weight:800; font-size:1.05rem; }

/* ---------- 列表 / 文章排版 ---------- */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 1.6rem; margin: 38px 0 14px; color: var(--text); padding-left:14px; border-left:4px solid var(--accent); }
.prose h3 { font-size: 1.2rem; margin: 26px 0 10px; color: var(--accent-2); }
.prose p { margin: 12px 0; color: #d6d4cb; }
.prose ul, .prose ol { margin: 12px 0 12px 22px; color:#d6d4cb; }
.prose li { margin: 7px 0; }
.prose .note { background: var(--surface); border:1px solid var(--border); border-left:4px solid var(--green); border-radius:10px; padding:16px 18px; margin:18px 0; }
.prose .warn { border-left-color: var(--danger); }

.toc { background: var(--surface); border:1px solid var(--border); border-radius:12px; padding:18px 22px; margin-bottom:28px; }
.toc strong { color: var(--accent); }
.toc ol { margin:10px 0 0 20px; }
.toc a { color: var(--text); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x:auto; border:1px solid var(--border); border-radius:12px; margin:20px 0; }
table { width:100%; border-collapse: collapse; min-width: 520px; }
th, td { text-align:left; padding:12px 16px; border-bottom:1px solid var(--border); font-size:.95rem; }
thead th { background: var(--surface-2); color: var(--accent); }
tbody tr:hover { background: rgba(255,255,255,.02); }

/* ---------- 步骤 ---------- */
.steps { counter-reset: step; display:grid; gap:18px; }
.step { display:flex; gap:16px; align-items:flex-start; }
.step .num { counter-increment: step; flex:0 0 auto; width:40px; height:40px; border-radius:50%;
  display:grid; place-items:center; font-weight:800; background:rgba(212,168,67,.12); border:1px solid var(--border); color:var(--accent); }
.step .num::before { content: counter(step); }
.step h4 { margin-bottom:4px; }
.step p { color: var(--muted); font-size:.95rem; }

/* ---------- FAQ ---------- */
.faq-item { border:1px solid var(--border); border-radius:12px; margin-bottom:12px; background:var(--surface); overflow:hidden; }
.faq-q { width:100%; text-align:left; background:none; border:none; color:var(--text); font-weight:700; font-size:1.02rem;
  padding:18px 20px; cursor:pointer; display:flex; justify-content:space-between; gap:14px; align-items:center; }
.faq-q .chev { transition: transform .25s; color:var(--accent); flex:0 0 auto; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition: max-height .3s ease; }
.faq-a-inner { padding:0 20px 18px; color:var(--muted); }

/* ---------- CTA 区 ---------- */
.cta-band { background: linear-gradient(135deg, rgba(212,168,67,.14), rgba(90,138,95,.12));
  border:1px solid var(--border); border-radius:20px; padding:46px; text-align:center; }
.cta-band h2 { font-size: clamp(1.5rem,3vw,2.1rem); }
.cta-band p { color: var(--muted); margin:12px auto 24px; max-width:560px; }
.cta-row { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- 联系卡 ---------- */
.contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap:28px; }
.contact-box { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:30px; }
.contact-box .big-phone { font-size: clamp(1.6rem,4vw,2.4rem); font-weight:900; color:var(--accent); letter-spacing:1px; }
.qr-card { text-align:center; }
.qr-card .qr-ph {
  max-width:100%; min-height:120px; margin:14px auto; display:grid; place-items:center;
  color:var(--muted); font-size:.85rem; padding:10px; line-height:1.6;
}
.qr-card img {
  width:260px; max-width:100%; height:auto; margin:14px auto; border-radius:14px; border:1px solid var(--border);
  background:#fff; padding:8px; display:block;
}
.info-list { list-style:none; }
.info-list li { display:flex; gap:12px; padding:12px 0; border-bottom:1px dashed var(--border); }
.info-list li:last-child{ border:none; }
.info-list .ic { color:var(--green-2); font-size:1.1rem; }

/* ---------- 页脚 ---------- */
.site-footer { border-top:1px solid var(--border); background:var(--bg-2); padding:50px 0 26px; margin-top:20px; }
.footer-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap:30px; }
.footer-grid h4 { color:var(--accent); font-size:1rem; margin-bottom:14px; }
.footer-grid ul { list-style:none; }
.footer-grid li { margin:8px 0; }
.footer-grid a, .footer-grid p { color:var(--muted); font-size:.92rem; }
.footer-bottom { text-align:center; color:var(--muted); font-size:.85rem; border-top:1px solid var(--border); margin-top:30px; padding-top:20px; }
.footer-bottom .kw { color:#6f7065; font-size:.8rem; margin-top:6px; }

/* ---------- 悬浮联系栏 ---------- */
.float-bar { position: fixed; right: 18px; bottom: 22px; z-index: 60; display:flex; flex-direction:column; gap:12px; }
.float-btn {
  width:58px; height:58px; border-radius:50%; display:grid; place-items:center; cursor:pointer;
  border:none; box-shadow: var(--shadow); font-size:1.4rem; position:relative; transition: transform .15s;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn.phone { background: linear-gradient(135deg,var(--accent),var(--accent-2)); color:#1a1405; }
.float-btn.wechat { background: linear-gradient(135deg,#3ab44a,#52c46a); color:#fff; }
.float-btn .label { position:absolute; right:70px; top:50%; transform:translateY(-50%); white-space:nowrap;
  background:var(--surface); border:1px solid var(--border); color:var(--text); padding:6px 12px; border-radius:8px;
  font-size:.85rem; opacity:0; pointer-events:none; transition:opacity .2s; }
.float-btn:hover .label { opacity:1; }

/* 移动端底部固定条 */
.mobile-bar { display:none; position:fixed; left:0; right:0; bottom:0; z-index:60;
  background:rgba(12,14,12,.96); border-top:1px solid var(--border); backdrop-filter:blur(8px); }
.mobile-bar a { flex:1; text-align:center; padding:13px 0; font-weight:800; }
.mobile-bar .m-phone { color:#1a1405; background:linear-gradient(135deg,var(--accent),var(--accent-2)); }
.mobile-bar .m-wechat { color:#fff; background:linear-gradient(135deg,#3ab44a,#52c46a); }

/* ---------- 微信弹窗 ---------- */
.modal { position:fixed; inset:0; z-index:100; display:none; place-items:center; background:rgba(0,0,0,.7); }
.modal.show { display:grid; }
.modal-card { background:var(--surface); border:1px solid var(--border); border-radius:18px; padding:26px; max-width:360px; width:calc(100% - 32px); text-align:center; max-height:92vh; overflow-y:auto; }
.modal-card .qr-ph { max-width:100%; min-height:120px; margin:14px auto; display:grid; place-items:center; color:var(--muted); font-size:.85rem; padding:10px; line-height:1.6; }
.modal-card img { width:280px; max-width:100%; height:auto; margin:14px auto; border-radius:12px; background:#fff; padding:8px; display:block; }
.modal-card .wxid { color:var(--accent); font-weight:800; font-size:1.05rem; }
.modal-close { margin-top:14px; }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding:16px 0; color:var(--muted); font-size:.88rem; }
.breadcrumb a { color:var(--muted); }
.breadcrumb a:hover { color:var(--accent); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px){
  .hero-grid { grid-template-columns: 1fr; }
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px){
  .nav-links, .nav-phone { display:none; }
  .brand .tag { display:none; }
  .nav { gap:10px; }
  .nav-cta { gap:8px; }
  .nav-cta .btn { padding:9px 14px; font-size:.9rem; }
  .nav-links.open { display:flex; position:absolute; top:66px; left:0; right:0; flex-direction:column;
    background:var(--bg-2); border-bottom:1px solid var(--border); padding:14px 20px; gap:6px; }
  .nav-links.open a { padding:10px 0; border-bottom:1px solid var(--border); }
  .nav-toggle { display:block; }
  .grid.cols-3, .grid.cols-4, .grid.cols-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .float-bar { display:none; }
  .mobile-bar { display:flex; }
  body { padding-bottom: 52px; }
  .cta-band { padding: 30px 20px; }
}
@media (max-width: 400px){
  .container { padding: 0 14px; }
  .brand { font-size: 1rem; }
  .brand .logo { width: 30px; height: 30px; }
  .nav-cta .btn { padding: 8px 12px; font-size: .85rem; }
  .nav-toggle { width: 38px; height: 36px; font-size: 1.15rem; }
}