/*
Theme Name: 新目义眼知识站
Theme URI: https://www.whxmeye.com/
Author: 武汉新目医疗器械有限公司
Description: 与武汉新目义眼官网同风格的文章/知识主题，支持后台发布文章和视频。
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: xinmu-knowledge
*/
:root{
  --blue:#4A90E2; --blue-2:#2F6FBF; --deep:#1F3A5F; --ink:#334155; --muted:#64748b;
  --bg:#EAF4FD; --line:#E6EEF8; --card:#ffffff; --shadow:0 10px 30px rgba(31,58,95,.08);
}
*{box-sizing:border-box} body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
a{color:var(--blue-2);text-decoration:none} a:hover{color:var(--blue)}
.container{width:min(1120px,92%);margin:0 auto}
.site-header{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-flex{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-size:24px;font-weight:800;color:var(--blue);letter-spacing:.5px;white-space:nowrap}.brand span{font-size:14px;color:var(--deep);font-weight:600;margin-left:8px}
.nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.nav a{color:var(--deep);font-weight:600}.nav a:hover{color:var(--blue)}
.nav .current,.nav a[aria-current="page"]{color:var(--blue)}
.phone-btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff!important;padding:10px 18px;border-radius:999px;font-weight:700;box-shadow:0 8px 20px rgba(74,144,226,.25)}
.phone-btn:hover{background:var(--blue-2)}
.hero-small{margin:34px auto 24px;background:linear-gradient(135deg,#ffffff,#f2f8ff);border:1px solid var(--line);border-radius:22px;padding:34px 36px;box-shadow:var(--shadow)}
.hero-small h1{margin:0 0 8px;color:var(--deep);font-size:34px;letter-spacing:.5px}.hero-small p{margin:0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:8px auto 40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:.2s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(31,58,95,.12)}
.thumb{display:block;height:170px;overflow:hidden;background:linear-gradient(135deg,#dcecff,#f7fbff)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb.placeholder{display:grid;place-items:center;color:#9db9d8;font-weight:800;letter-spacing:3px}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.meta{font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}.meta a{color:var(--blue-2);font-weight:600}
.card h2{font-size:20px;line-height:1.45;margin:0}.card h2 a{color:var(--deep)}
.card p{margin:0;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.more{margin-top:auto;font-weight:700;color:var(--blue)}
.empty{background:#fff;border:1px dashed #bfd6ef;border-radius:18px;padding:46px;text-align:center;color:var(--muted)}
.single{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:44px;margin:34px auto}.single h1{color:var(--deep);line-height:1.35;margin:10px 0 14px;font-size:34px}.single .featured{margin:20px 0;border-radius:16px;overflow:hidden}.single .featured img{width:100%;height:auto;display:block}.single-content{font-size:17px}.single-content img{max-width:100%;height:auto;border-radius:12px}.back{display:inline-block;margin-bottom:14px;font-weight:700}
.pagination{margin:0 auto 44px}.nav-links{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.page-numbers{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--deep)}.page-numbers.current{background:var(--blue);color:#fff;border-color:var(--blue)}
.site-footer{margin-top:40px;background:#ffffff;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.site-footer .container{padding:24px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
@media (max-width:992px){.grid{grid-template-columns:repeat(2,1fr)}.nav-flex{align-items:flex-start;flex-direction:column;padding:14px 0}.nav{gap:16px}.phone-btn{display:none}}
@media (max-width:640px){.grid{grid-template-columns:1fr}.hero-small{padding:26px 22px}.hero-small h1,.single h1{font-size:28px}.single{padding:28px 22px}}