/* ============================================================
   contact.css —— 联系我们
   骨架 S6 全宽色带分段
   光影 D1 hero 斜光 · D8 区带上缘斜切边
   ============================================================ */

.ct-main{padding:130px 0 70px;background:linear-gradient(135deg,var(--brown-300),var(--brown-400));color:#fff;}
.ct-main .crumb a,.ct-main .crumb{color:rgba(255,255,255,.75);}
.ct-main .crumb i{border-color:rgba(255,255,255,.6);}
.ct-main h1{color:#fff;font-size:clamp(30px,4vw,46px);margin:18px 0 14px;}
.ct-main > .container > p{color:rgba(255,255,255,.85);max-width:620px;}
.ct-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;}
.ct-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:28px 24px;
  backdrop-filter:blur(4px);
}
.ct-card svg{width:30px;height:30px;color:#fff;margin-bottom:14px;}
.ct-card h2{font-size:14px;letter-spacing:2px;color:rgba(255,255,255,.8);margin-bottom:8px;}
.ct-card a{font-size:24px;font-weight:800;color:#fff;display:block;}
.ct-card p{color:#fff;font-size:18px;font-weight:700;margin:4px 0;}
.ct-card small{color:rgba(255,255,255,.7);font-size:12.5px;}

/* D8 斜切边区域带 */
.ct-area{
  padding:70px 0;background:var(--gray-50);position:relative;
  border-top:18px solid transparent;
  border-image:linear-gradient(135deg,var(--brown-100) 0%,var(--gray-50) 60%) 1;
}
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.area-col h2{font-size:24px;margin-bottom:12px;color:var(--brown-400);}
.area-col p{color:var(--text-weak);line-height:1.9;margin-bottom:18px;font-size:14.5px;}

/* 环境 */
.env-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:40px;}
.env-img img{width:100%;height:auto;box-shadow:var(--shadow-b);}
.env-text h2{font-size:clamp(24px,3vw,34px);margin:14px 0 16px;line-height:1.35;}
.env-text p{color:var(--text-weak);line-height:1.9;font-size:14.5px;}
.env-team img{width:100%;height:auto;box-shadow:var(--shadow-b);}

/* 问答 */
.sec-head{margin-bottom:30px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin:14px 0 10px;}
.qa-list{max-width:820px;}
.qa-list details{background:#fff;border:1px solid var(--line);margin-bottom:12px;box-shadow:var(--shadow-s);}
.qa-list summary{cursor:pointer;padding:16px 22px;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:16px;}
.qa-list summary::-webkit-details-marker{display:none;}
.qa-list summary::after{content:"+";color:var(--brown-300);font-size:20px;}
.qa-list details[open] summary::after{transform:rotate(45deg);}
.qa-list details p{padding:0 22px 18px;color:var(--text-weak);font-size:14px;margin:0;line-height:1.9;}

/* 底部 */
.ct-final{padding:84px 0;text-align:center;background:linear-gradient(135deg,#F5F5F2,#fff);}
.ct-final h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:12px;}
.ct-final p{color:var(--text-weak);margin-bottom:26px;}
.ct-final-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

@media (max-width:920px){
  .ct-cards,.area-grid,.env-grid{grid-template-columns:1fr;}
}

/* ===== 补写内容通用样式 gb-* ===== */
.gb-lead{color:var(--text-weak);line-height:1.9;font-size:15px;max-width:760px;}
.gb-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;}
.gb-cols2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px;}
.gb-card{background:#fff;border:1px solid var(--line);padding:22px;box-shadow:var(--shadow-s);}
.gb-card h3{font-size:16px;color:var(--brown-400);margin-bottom:8px;}
.gb-card p{font-size:14px;color:var(--text-weak);line-height:1.85;margin:0;}
.gb-list{list-style:none;padding:0;margin:18px 0 0;}
.gb-list li{padding:9px 0 9px 24px;position:relative;font-size:14.5px;border-bottom:1px dashed var(--line);line-height:1.8;}
.gb-list li::before{content:"";position:absolute;left:0;top:15px;width:9px;height:9px;transform:rotate(45deg);background:linear-gradient(135deg,var(--brown-100),var(--brown-300));}
.gb-note{margin-top:22px;font-size:13.5px;color:var(--text-weak);line-height:1.85;}
@media(max-width:920px){.gb-cols{grid-template-columns:1fr;}.gb-cols2{grid-template-columns:1fr;}}