/* ==========================================================================
   King Chemical — UI additions
   悬浮联系条 / 联系页地图卡片 / 信任条 / 内容页增强
   ========================================================================== */

/* ==== floating quick-contact bar ==== */
.kc-float{position:fixed;right:18px;bottom:18px;z-index:900;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.kc-fb{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--kc-line);border-radius:999px;padding:9px 14px;font-size:13px;font-weight:600;text-decoration:none;box-shadow:0 6px 18px rgba(15,15,74,.12);transition:.18s;cursor:pointer;line-height:1}
.kc-fb svg{width:17px;height:17px;flex:0 0 17px;display:block}
.kc-fb:hover{transform:translateX(-3px);box-shadow:0 10px 24px rgba(15,15,74,.2)}
.kc-fb-call{color:#202070}
.kc-fb-wa{color:#128C7E}
.kc-fb-line{color:#06C755}
.kc-fb-mail{color:#c03030}
.kc-fb-top{color:#6b7188;opacity:0;pointer-events:none}
.kc-fb-top.show{opacity:1;pointer-events:auto}
@media(max-width:640px){
  .kc-float{right:12px;bottom:12px;gap:7px}
  .kc-fb{padding:10px}
  .kc-fb span{display:none}
  .kc-fb svg{width:20px;height:20px;flex:0 0 20px}
}

/* ==== contact page ==== */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:10px 0 28px}
.contact-card{background:#fff;border:1px solid var(--kc-line);border-radius:12px;padding:22px}
.contact-card .k{font-size:11.5px;font-weight:700;letter-spacing:.14em;color:var(--kc-red);text-transform:uppercase}
.contact-card h3{margin:9px 0 6px;font-size:16px;color:var(--kc-navy)}
.contact-card p{margin:0;font-size:14.5px;color:var(--kc-muted);line-height:1.7}
.contact-card a{color:var(--kc-navy);text-decoration:none;font-weight:600}
.contact-card a:hover{color:var(--kc-red)}
@media(max-width:860px){.contact-cards{grid-template-columns:1fr}}

.kc-map{margin:0 0 34px;border:1px solid var(--kc-line);border-radius:12px;overflow:hidden;background:#fff}
.kc-map iframe{display:block;width:100%;height:400px;border:0}
@media(max-width:640px){.kc-map iframe{height:320px}}

/* ==== trust strip ==== */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;background:#fff;border:1px solid var(--kc-line);border-radius:12px;padding:26px 22px}
.trust-item{text-align:center;padding:0 8px}
.trust-item strong{display:block;font-size:15px;color:var(--kc-navy)}
.trust-item span{display:block;margin-top:5px;font-size:13px;color:var(--kc-muted);line-height:1.6}
@media(max-width:860px){.trust-strip{grid-template-columns:repeat(2,1fr);gap:22px}}

/* ==== article / news ==== */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--kc-line);border-radius:12px;overflow:hidden;text-decoration:none;transition:.2s}
.post-card:hover{border-color:var(--kc-navy);box-shadow:0 12px 28px rgba(32,32,112,.08);transform:translateY(-2px)}
.post-card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#202070,#0f0f4a);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.post-card .body{padding:20px}
.post-card .cat{font-size:11.5px;font-weight:700;letter-spacing:.12em;color:var(--kc-red);text-transform:uppercase}
.post-card h3{margin:8px 0 8px;font-size:17px;line-height:1.4;color:var(--kc-navy)}
.post-card p{margin:0;font-size:13.5px;color:var(--kc-muted);line-height:1.7}
.post-card .date{margin-top:12px;font-size:12.5px;color:#9aa0b8}
@media(max-width:980px){.post-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.post-list{grid-template-columns:1fr}}

.article-body{max-width:780px;margin:0 auto}
.article-body h2{margin:34px 0 12px;font-size:23px;color:var(--kc-navy)}
.article-body h3{margin:26px 0 10px;font-size:18px;color:var(--kc-navy)}
.article-body p{margin:0 0 16px;font-size:16px;line-height:1.85;color:#3c4257}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px;font-size:15.5px;line-height:1.8;color:#3c4257}
.article-body blockquote{margin:22px 0;padding:16px 22px;background:var(--kc-soft);border-left:4px solid var(--kc-red);border-radius:0 8px 8px 0;color:#3c4257}
.article-meta{display:flex;gap:14px;align-items:center;font-size:13px;color:#8a90a8;margin:6px 0 26px;flex-wrap:wrap}
.article-meta .cat{color:var(--kc-red);font-weight:700;letter-spacing:.1em;text-transform:uppercase}

/* ==== 面包屑 ==== */
.kc-crumbs{font-size:13px;color:#8a90a8;margin:0 0 18px}
.kc-crumbs a{color:#6b7188;text-decoration:none}
.kc-crumbs a:hover{color:var(--kc-red)}
.kc-crumbs span{color:#b9bed0;padding:0 6px}

/* ==== 认证/资料卡（信任区） ==== */
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.badge-card{background:#fff;border:1px solid var(--kc-line);border-radius:12px;padding:22px 20px;text-align:center}
.badge-card .mk{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;background:var(--kc-soft);display:flex;align-items:center;justify-content:center;color:var(--kc-navy);font-weight:700;font-size:15px}
.badge-card h3{margin:0 0 6px;font-size:15px;color:var(--kc-navy)}
.badge-card p{margin:0;font-size:13px;color:var(--kc-muted);line-height:1.65}
@media(max-width:860px){.badge-grid{grid-template-columns:repeat(2,1fr)}}

/* ==== industry landing ==== */
.ind-head{max-width:820px;margin:0 0 34px}
.ind-eyebrow{margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--kc-red)}
.ind-head h1{margin:0 0 14px;font-size:36px;line-height:1.2;color:var(--kc-navy)}
.ind-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-top:8px}
.ind-cols h2{margin:0 0 14px;font-size:19px;color:var(--kc-navy)}
.ind-cols p{margin:0 0 12px;font-size:15.5px;line-height:1.8;color:#3c4257}
.ind-cols .checks{margin:0;padding-left:0;list-style:none}
.ind-cols .checks li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;line-height:1.7;color:#3c4257}
.ind-cols .checks li::before{content:"";position:absolute;left:0;top:6px;width:14px;height:8px;border-left:2.5px solid var(--kc-red);border-bottom:2.5px solid var(--kc-red);transform:rotate(-45deg)}
@media(max-width:860px){.ind-head h1{font-size:28px}.ind-cols{grid-template-columns:1fr;gap:26px}}