/* ============================================================
   零创网 (www.0com.cn) 主域名首页样式表
   独立样式文件：原内联 <style> 已提取至此，由 system_home.php 通过
   <link rel="stylesheet" href="css/style.css"> 引入。
   纯 CSS 实现（无 Tailwind / 无预编译 purge 风险）。
   ============================================================ */

/* ============ 全局 ============ */
:root{
  --brand:#ff6a00; --brand-dark:#e85f00; --brand-light:#fff3eb;
  --ink:#161a22; --ink-soft:#5b6472; --muted:#9aa3b2;
  --line:#ececf1; --bg:#ffffff; --bg-soft:#fafafb;
  --radius:16px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:hidden;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
.no-scrollbar::-webkit-scrollbar{display:none}

/* ============ 顶部导航 ============ */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:baseline;gap:7px;font-weight:800;letter-spacing:.3px}
.logo-zh{color:var(--brand);font-size:21px}
.logo-en{color:var(--ink-soft);font-size:13px;font-weight:600;letter-spacing:.5px}
.nav-links{display:none;gap:26px;font-size:15px;color:var(--ink-soft)}
.nav-links a:hover{color:var(--brand)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .15s ease}
.nav-cta:hover{background:var(--brand-dark)}
@media(min-width:860px){ .nav-links{display:flex} }

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 56px;text-align:center;
  background:
    radial-gradient(1200px 420px at 50% -120px, rgba(255,106,0,.10), transparent 70%),
    linear-gradient(180deg,#fff 0%, #fff7f1 100%)}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:var(--brand-light);color:var(--brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,106,0,.18)}
.hero h1{font-size:clamp(28px,6vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.5px}
.hero h1 .hl{color:var(--brand)}
.hero-sub{margin:18px auto 0;max-width:640px;color:var(--ink-soft);font-size:clamp(15px,2.4vw,18px)}

/* 搜索框 */
.search{margin:34px auto 0;max-width:720px}
.search-box{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);
  border-radius:14px;padding:10px 12px 10px 18px;box-shadow:0 10px 30px rgba(20,20,40,.06);transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,106,0,.12),0 10px 30px rgba(20,20,40,.06)}
.search-box svg{flex:0 0 auto;width:20px;height:20px;color:var(--muted)}
.search-input{flex:1 1 auto;min-width:0;border:none;outline:none;font-size:16px;background:transparent;color:var(--ink)}
.search-input::placeholder{color:#b6bcc8}
.search-btn{flex:0 0 auto;background:var(--brand);color:#fff;border:none;border-radius:10px;
  height:46px;padding:0 22px;font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;transition:background .15s}
.search-btn:hover{background:var(--brand-dark)}
@media(max-width:560px){
  .search-box{flex-wrap:wrap;border-radius:14px;padding:12px}
  .search-box svg{display:none}
  .search-input{width:100%;flex:1 1 100%;height:44px;padding:0 4px;font-size:16px}
  .search-btn{width:100%;flex:1 1 100%;margin-top:8px}
}

/* 热门检索 chips */
.chips{margin:18px auto 0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{font-size:13px;color:var(--ink-soft);background:#fff;border:1px solid var(--line);
  padding:6px 13px;border-radius:999px;cursor:pointer;transition:.15s}
.chip:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-light)}

/* 数据大盘 */
.stats{margin:44px auto 0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:820px}
@media(min-width:760px){ .stats{grid-template-columns:repeat(4,1fr)} }
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 14px;text-align:center}
.stat-num{font-size:clamp(26px,5.2vw,42px);font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand);letter-spacing:-1px;line-height:1.12}
.stat-label{margin-top:6px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.stat-live{color:#16a34a;font-weight:800}

/* ============ 通用区块 ============ */
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.section-title{font-size:clamp(22px,4vw,30px);font-weight:800;letter-spacing:-.3px}
.section-title small{font-weight:600;color:var(--muted);font-size:.6em;margin-left:8px}
.section-desc{color:var(--ink-soft);font-size:15px;margin-top:8px;max-width:640px}

/* 数据流筛选 */
.filter-bar{display:flex;gap:8px}
.filter-btn{border:1px solid var(--line);background:#fff;color:var(--ink-soft);font-size:13px;font-weight:600;
  padding:8px 16px;border-radius:999px;cursor:pointer;transition:.15s}
.filter-btn:hover{color:var(--ink)}
.filter-btn.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ 数据流表格（复用 b2bgeo 语义类，纯 CSS 无 purge 风险） ============ */
.feed-wrap{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.feed-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}
.feed-table thead th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);
  font-weight:600;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--bg-soft);white-space:nowrap}
.feed-table tbody td{padding:14px 16px;border-bottom:1px solid #f3f3f6;vertical-align:middle}
.feed-table tbody tr:last-child td{border-bottom:none}
.data-row{transition:background .15s,box-shadow .15s}
.data-row:hover{background:var(--brand-light);box-shadow:inset 3px 0 0 var(--brand)}
.name-link{font-weight:700;color:var(--ink);font-size:15px}
.name-link:hover{color:var(--brand)}
.meta{margin-top:3px;font-size:12.5px;color:var(--ink-soft)}
.col-spec,.col-price,.col-source{display:none}
@media(min-width:768px){ .col-spec{display:table-cell} }
@media(min-width:1024px){ .col-price,.col-source{display:table-cell} }
.col-action{text-align:right;white-space:nowrap}

/* 实体类型胶囊 */
.pill-prod{display:inline-flex;align-items:center;border-radius:9999px;padding:.18rem .65rem;font-size:.75rem;font-weight:600;background:#fff1e6;color:#c2410c}
.pill-comp{display:inline-flex;align-items:center;border-radius:9999px;padding:.18rem .65rem;font-size:.75rem;font-weight:600;background:#e8f0fe;color:#1d4ed8}

/* 时效微标 */
.feed-fresh{display:inline-flex;align-items:center;gap:.35rem;margin-top:.4rem;font-size:.6875rem;color:#94a3b8}
.feed-fresh::before{content:"";width:.4rem;height:.4rem;border-radius:50%;background:#22c55e;animation:feedPulse 1.6s ease-in-out infinite}
@keyframes feedPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}

/* 导流 CTA */
.feed-cta{display:inline-flex;align-items:center;gap:.2rem;border-radius:.5rem;padding:.32rem .7rem;font-size:.8125rem;font-weight:600;transition:.15s}
.feed-cta-orange{background:#fff4ec;color:#ea580c;border:1px solid #ffd9bf}
.feed-cta-orange:hover{background:#ffe8d6}
.feed-cta-gray{background:#f1f5f9;color:#475569;border:1px solid #e2e8f0}
.feed-cta-gray:hover{background:#fff4ec;color:#ea580c;border-color:#ffd9bf}

.feed-more{text-align:center;margin-top:18px}
.feed-more a{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.feed-more a:hover{color:var(--brand-dark)}
.feed-empty{padding:40px 16px;text-align:center;color:var(--muted);font-size:14px}

/* ============ 招商 / 套餐 ============ */
.pitch{text-align:center;max-width:720px;margin:0 auto}
.pitch h2{font-size:clamp(22px,4vw,32px);font-weight:800;letter-spacing:-.3px;line-height:1.3}
.pitch p{margin-top:14px;color:var(--ink-soft);font-size:16px}
.packages{margin-top:40px;display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:780px){ .packages{grid-template-columns:repeat(3,1fr)} }
.pkg{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:28px 24px;transition:transform .2s,box-shadow .2s}
.pkg:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,20,40,.08)}
.pkg.featured{border:2px solid var(--brand);box-shadow:0 16px 40px rgba(255,106,0,.14)}
.pkg-tag{position:absolute;top:-12px;left:24px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.pkg-name{font-size:19px;font-weight:800}
.pkg-tagline{margin-top:6px;font-size:13px;font-weight:600;color:var(--brand)}
.pkg-desc{margin-top:8px;font-size:13px;color:var(--ink-soft);min-height:38px}
.pkg-price{margin-top:14px;font-size:14px;color:var(--muted)}
.pkg-price b{font-size:28px;color:var(--ink);font-weight:800}
.pkg-feats{list-style:none;margin:18px 0 0;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--ink-soft)}
.pkg-feats li{display:flex;gap:8px;align-items:flex-start}
.pkg-feats svg{flex:0 0 auto;width:16px;height:16px;color:#16a34a;margin-top:2px}
.pkg-cta{margin-top:auto;display:inline-flex;justify-content:center;align-items:center;gap:6px;height:46px;border-radius:12px;
  font-weight:700;font-size:15px;margin-top:22px;transition:.15s}
.pkg-cta.primary{background:var(--brand);color:#fff}
.pkg-cta.primary:hover{background:var(--brand-dark)}
.pkg-cta.ghost{background:#fff;color:var(--brand);border:2px solid var(--brand)}
.pkg-cta.ghost:hover{background:var(--brand-light)}

/* 底部转化长条 CTA */
.bottom-cta-wrap{margin-top:42px;text-align:center}
.bottom-cta{display:inline-flex;justify-content:center;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-size:18px;font-weight:800;letter-spacing:.2px;
  padding:18px 44px;border-radius:14px;box-shadow:0 14px 34px rgba(255,106,0,.28);
  transition:background .15s,transform .15s;white-space:nowrap}
.bottom-cta:hover{background:var(--brand-dark);transform:translateY(-2px)}
@media(max-width:640px){
  .bottom-cta-wrap{margin-top:34px}
  .bottom-cta{display:flex;width:100%;padding:18px 20px;font-size:17px;border-radius:12px}
}

/* ============ 底部 ============ */
.footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:14px;text-align:center}
.footer a{color:var(--ink-soft)}
.footer a:hover{color:var(--brand)}
.footer .f-links{margin-bottom:10px;display:flex;gap:18px;justify-content:center;flex-wrap:wrap}