/* ============ 智采云 S2B 平台 公共样式（固买云式工业蓝风格） ============ */
:root {
  --primary: #1668dc;
  --primary-dark: #0f4fa8;
  --primary-light: #e8f1ff;
  --accent: #ff7a00;
  --text: #1f2d3d;
  --text-2: #5b6b7c;
  --line: #e6ebf1;
  --bg: #f4f7fa;
  --green: #18a058;
  --red: #d03050;
  --orange: #f0a020;
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ---------- 顶部条 / 导航 ---------- */
.topbar { background: #0b2f5e; color: #cfe0f5; font-size: 12px; }
.topbar-inner { display: flex; justify-content: space-between; height: 34px; align-items: center; }
.mainnav { background: #fff; box-shadow: 0 1px 6px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 50; }
.mainnav-inner { display: flex; align-items: center; height: 64px; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: var(--primary); }
.logo-mark { width: 38px; height: 38px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), #3d8bff); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.logo small { font-size: 11px; color: var(--text-2); font-weight: 400; margin-left: 6px; }
.nav-links { display: flex; gap: 26px; flex: 1; }
.nav-links a { padding: 6px 2px; color: var(--text); font-size: 15px; position: relative; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); }
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 3px; background: var(--primary); border-radius: 2px; }
.nav-right { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.user-name { color: var(--text-2); font-size: 13px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 按钮 ---------- */
.btn { display: inline-block; background: var(--primary); color: #fff; padding: 9px 20px; border-radius: 6px; border: none; cursor: pointer; font-size: 14px; transition: .2s; }
.btn:hover { background: var(--primary-dark); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-ghost { color: var(--primary); padding: 6px 12px; font-size: 14px; }
.btn-outline { background: #fff; color: var(--primary); border: 1px solid var(--primary); padding: 9px 20px; border-radius: 6px; cursor: pointer; }
.btn-danger { background: var(--red); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(120deg, #0b3d86 0%, #1668dc 60%, #3d8bff 100%); color: #fff; padding: 64px 0; }
.hero h1 { font-size: 38px; margin-bottom: 14px; }
.hero p.sub { font-size: 17px; opacity: .92; margin-bottom: 28px; max-width: 640px; }
.search-box { background: #fff; border-radius: 8px; padding: 8px; display: flex; max-width: 640px; }
.search-box input { flex: 1; border: none; outline: none; padding: 10px 14px; font-size: 15px; }
.hero-stats { display: flex; gap: 48px; margin-top: 36px; flex-wrap: wrap; }
.hero-stats .num { font-size: 30px; font-weight: 700; }
.hero-stats .lbl { font-size: 13px; opacity: .85; }

/* ---------- 通用区块 ---------- */
.section { padding: 56px 0; }
.section-title { text-align: center; margin-bottom: 36px; }
.section-title h2 { font-size: 28px; }
.section-title p { color: var(--text-2); margin-top: 8px; }
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: 0 1px 4px rgba(20,60,120,.06); }

/* 品类宫格 */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cat-item { background: #fff; border-radius: var(--radius); padding: 20px 10px; text-align: center; cursor: pointer; transition: .2s; border: 1px solid transparent; }
.cat-item:hover { border-color: var(--primary); transform: translateY(-3px); }
.cat-item .ic { font-size: 30px; }
.cat-item .nm { margin-top: 8px; font-size: 14px; }

/* 场景卡片 */
.scene-card { padding: 28px 24px; }
.scene-card h3 { color: var(--primary); margin-bottom: 12px; }
.scene-card ul { padding-left: 18px; color: var(--text-2); font-size: 14px; }
.scene-card li { margin: 6px 0; }

/* 数据条 */
.stat-band { background: #0b2f5e; color: #fff; }
.stat-band .grid { text-align: center; }
.stat-band .num { font-size: 34px; font-weight: 700; color: #7db8ff; }

/* 客户墙 */
.logo-wall { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.logo-wall span { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 12px 22px; color: var(--text-2); font-size: 14px; }

/* ---------- 列表 / 表格 ---------- */
.page { padding: 28px 0 60px; }
.panel { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: 0 1px 4px rgba(20,60,120,.06); margin-bottom: 20px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.tbl th { background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.tbl tr:hover td { background: #f8fbff; }

/* 商品卡 */
.p-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.p-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 4px rgba(20,60,120,.07); transition: .2s; }
.p-card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(20,60,120,.12); }
.p-thumb { height: 150px; background: linear-gradient(135deg,#eef4ff,#dce9ff); display: flex; align-items: center; justify-content: center; font-size: 46px; }
.p-body { padding: 14px; }
.p-name { font-size: 15px; height: 44px; overflow: hidden; }
.p-price { color: var(--red); font-size: 19px; font-weight: 700; margin: 8px 0; }
.p-meta { color: var(--text-2); font-size: 12px; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.b-blue { background: var(--primary-light); color: var(--primary); }
.b-green { background: #e6f7ee; color: var(--green); }
.b-orange { background: #fff3e0; color: var(--orange); }
.b-red { background: #ffe9ee; color: var(--red); }
.b-gray { background: #eef1f5; color: var(--text-2); }

/* ---------- 表单 ---------- */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--text-2); }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; outline: none; background: #fff; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--primary); }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- 工作台布局 ---------- */
.dash { display: grid; grid-template-columns: 200px 1fr; gap: 20px; padding: 24px 0 60px; }
.side { background: #fff; border-radius: var(--radius); padding: 14px; height: fit-content; }
.side a { display: block; padding: 11px 14px; border-radius: 6px; color: var(--text-2); font-size: 14px; margin: 2px 0; cursor: pointer; }
.side a.active, .side a:hover { background: var(--primary-light); color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---------- 登录 ---------- */
.auth-wrap { min-height: calc(100vh - 100px); display: flex; align-items: center; justify-content: center; padding: 30px 0; }
.auth-box { width: 420px; }
.tabs { display: flex; margin-bottom: 20px; }
.tabs button { flex: 1; padding: 12px; background: #fff; border: none; font-size: 16px; cursor: pointer; color: var(--text-2); border-bottom: 2px solid var(--line); }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ---------- 页脚 ---------- */
footer { background: #0b2f5e; color: #b9cde6; padding: 44px 0 20px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
footer h4 { color: #fff; margin-bottom: 14px; }
footer a { display: block; margin: 6px 0; font-size: 13px; }
.copy { text-align: center; margin-top: 30px; padding-top: 18px; border-top: 1px solid #1d4678; font-size: 12px; }

.empty { text-align: center; color: var(--text-2); padding: 40px 0; }
@media (max-width: 900px) {
  .grid-4, .p-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .dash { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}