/* ============================================================
   Youcheng Pipe — 首页定制样式
   依赖：Bootstrap 栅格 / Font Awesome / Owl Carousel / animate.css
   ============================================================ */

:root{
  --yc-primary:#E2551B;
  --yc-primary-dark:#B93F0C;
  --yc-ink:#0B2E5B;
  --yc-ink-2:#123B70;
  --yc-text:#5A6472;
  --yc-line:#E4E9F0;
  --yc-bg-soft:#F5F7FA;
  --yc-radius:6px;
  --yc-shadow:0 6px 24px rgba(11,46,91,.08);
}

/* ---------- 通用 ---------- */
.yc-sec{
  padding:75px 0;
  position:relative;
}
.yc-sec:nth-of-type(even){ background:var(--yc-bg-soft); }

.yc-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--yc-primary);
  margin:0 0 10px;
}
.yc-eyebrow i{ font-size:12px; }

.yc-sec-head{ margin-bottom:40px; }
.yc-sec-head h2{
  font-size:36px;
  font-weight:300;
  line-height:1.25;
  margin:0 0 14px;
  color:#151515;
}
.yc-sec-head h2 .yc-light{ font-weight:300; color:#151515; }
.yc-sec-head h2 .yc-strong{ font-weight:800; color:var(--yc-ink); }
.yc-head-left h2 .yc-strong::after{
  content:"";
  display:block;
  width:58px;
  height:3px;
  background:var(--yc-primary);
  margin-top:14px;
}
.yc-lead{ color:var(--yc-text); font-size:16px; line-height:1.7; margin:0 0 18px; }
.yc-note{ font-size:12.5px; color:#8A94A3; margin:14px 0 0; }

.yc-btn{
  display:inline-flex;
  align-items:center;
  padding:13px 26px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.03em;
  border-radius:var(--yc-radius);
  transition:all .28s ease;
  border:2px solid transparent;
}
.yc-btn i{ font-size:13px; }
.yc-btn-primary{ background:var(--yc-primary); color:#fff; border-color:var(--yc-primary); }
.yc-btn-primary:hover{ background:var(--yc-primary-dark); border-color:var(--yc-primary-dark); color:#fff; transform:translateY(-2px); }
.yc-btn-ghost{ border-color:rgba(255,255,255,.55); color:#fff; margin-left:12px; }
.yc-btn-ghost:hover{ background:#fff; color:var(--yc-ink); }
.yc-btn-outline{ border-color:var(--yc-ink); color:var(--yc-ink); }
.yc-btn-outline:hover{ background:var(--yc-ink); color:#fff; }
.yc-btn-light{ background:#fff; color:var(--yc-ink); }
.yc-btn-light:hover{ background:var(--yc-ink); color:#fff; }
.yc-btn-whatsapp{ background:#1EBEA5; color:#fff; border-color:#1EBEA5; margin-left:12px; }
.yc-btn-whatsapp:hover{ background:#17a48e; color:#fff; }
.yc-btn-block{ display:flex; justify-content:center; margin-top:18px; }

.yc-check-list{ list-style:none; padding:0; margin:0 0 26px; }
.yc-check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  color:#33404F;
  font-size:15px;
  line-height:1.6;
}
.yc-check-list li i,
.yc-hero-points li i{ position:absolute; left:0; top:3px; color:var(--yc-primary); }

/* ---------- Hero ---------- */
.yc-hero{
  position:relative;
  background-size:cover;
  background-position:center;
  padding:120px 0 0;
  color:#fff;
}
.yc-hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(6,22,45,.93) 0%, rgba(11,46,91,.82) 45%, rgba(11,46,91,.55) 100%);
}
.yc-hero-inner{ position:relative; padding-bottom:110px; }
.yc-hero .yc-eyebrow{ color:#FFB37A; }
.yc-hero-title{
  font-size:52px;
  line-height:1.15;
  margin:0 0 18px;
  color:#fff;
}
.yc-hero-title .yc-light{ display:block; font-weight:300; }
.yc-hero-title .yc-strong{ display:block; font-weight:800; }
.yc-hero-desc{ font-size:17px; line-height:1.8; color:rgba(255,255,255,.85); max-width:780px; margin:0 0 30px; }
.yc-hero-btns{ display:flex; flex-wrap:wrap; align-items:center; }
.yc-hero-points{ list-style:none; padding:0; margin:32px 0 0; display:flex; flex-wrap:wrap; gap:26px; }
.yc-hero-points li{ position:relative; padding-left:26px; font-size:14.5px; color:rgba(255,255,255,.9); }
.yc-hero-bar{
  position:relative;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
  border-top:1px solid rgba(255,255,255,.18);
}
.yc-hero-bar-item{
  display:flex; align-items:center; gap:12px;
  padding:20px 10px; color:#fff; font-size:15px; font-weight:600;
}
.yc-hero-bar-item i{ color:var(--yc-primary); font-size:20px; }

/* ---------- About ---------- */
.yc-about-img-wrap{ position:relative; }
.yc-about-img-wrap img{ width:100%; border-radius:var(--yc-radius); box-shadow:var(--yc-shadow); display:block; }
.yc-about-badge{
  position:absolute; left:-18px; bottom:-18px;
  background:var(--yc-primary); color:#fff;
  padding:18px 24px; border-radius:var(--yc-radius);
  box-shadow:0 10px 30px rgba(226,85,27,.35);
  max-width:200px;
}
.yc-badge-num{ display:block; font-size:34px; font-weight:800; line-height:1; }
.yc-badge-num em{ font-size:20px; font-style:normal; }
.yc-badge-txt{ display:block; font-size:13px; margin-top:6px; opacity:.95; }

.yc-stats-row{ margin-top:55px !important; }
.yc-stat-box{
  background:#fff; border:1px solid var(--yc-line);
  border-radius:var(--yc-radius); padding:26px 20px; text-align:center;
  transition:all .3s ease;
}
.yc-stat-box:hover{ box-shadow:var(--yc-shadow); transform:translateY(-4px); border-color:var(--yc-primary); }
.yc-stat-num{ display:block; font-size:36px; font-weight:800; color:var(--yc-ink); line-height:1.1; }
.yc-stat-num em{ font-size:20px; font-style:normal; color:var(--yc-primary); }
.yc-stat-label{ display:block; font-size:13.5px; color:var(--yc-text); margin-top:8px; }

/* ---------- Products ---------- */
.yc-prod-card{
  background:#fff; border:1px solid var(--yc-line);
  border-radius:var(--yc-radius); overflow:hidden; height:100%;
  transition:all .32s ease;
}
.yc-prod-card:hover{ transform:translateY(-6px); box-shadow:var(--yc-shadow); border-color:var(--yc-primary); }
.yc-prod-media{ position:relative; overflow:hidden; }
.yc-prod-media img{ width:100%; height:230px; object-fit:cover; display:block; transition:transform .6s ease; }
.yc-prod-card:hover .yc-prod-media img{ transform:scale(1.07); }
.yc-prod-icon{
  position:absolute; right:16px; top:16px;
  width:46px; height:46px; border-radius:50%;
  background:var(--yc-primary); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:18px;
  box-shadow:0 6px 18px rgba(226,85,27,.35);
}
.yc-prod-body{ padding:22px 22px 24px; }
.yc-prod-body h3{ font-size:19px; font-weight:700; margin:0 0 10px; color:var(--yc-ink); }
.yc-prod-desc{ font-size:14.5px; color:var(--yc-text); line-height:1.7; margin:0 0 12px; min-height:74px; }
.yc-prod-spec{ font-size:13px; font-weight:600; color:var(--yc-ink); background:var(--yc-bg-soft); padding:8px 12px; border-radius:4px; margin:0 0 16px; }
.yc-prod-link{ font-size:14px; font-weight:700; color:var(--yc-primary); text-transform:uppercase; letter-spacing:.05em; }
.yc-prod-link:hover{ color:var(--yc-ink); }
.yc-prod-link i{ transition:transform .3s ease; }
.yc-prod-link:hover i{ transform:translateX(5px); }

/* ---------- Specs ---------- */
.yc-table-wrap{ background:#fff; border:1px solid var(--yc-line); border-radius:var(--yc-radius); padding:8px; }
.yc-spec-table{ width:100%; border-collapse:collapse; }
.yc-spec-table th{
  background:var(--yc-ink); color:#fff; font-size:13.5px; font-weight:700;
  text-transform:uppercase; letter-spacing:.05em; padding:15px 16px; text-align:left;
}
.yc-spec-table td{ padding:14px 16px; font-size:14.5px; color:#33404F; border-bottom:1px solid var(--yc-line); }
.yc-spec-table tbody tr:nth-child(even){ background:#FAFCFE; }
.yc-spec-table tbody tr:hover{ background:#FFF6F1; }
.yc-spec-table tr:last-child td{ border-bottom:0; }
.yc-note{ padding:0 10px 6px; }

.yc-std-box{ background:var(--yc-ink); color:#fff; border-radius:var(--yc-radius); padding:30px 26px; height:100%; }
.yc-std-box h3{ color:#fff; font-size:20px; font-weight:700; margin:0 0 18px; }
.yc-std-list{ list-style:none; padding:0; margin:0 0 10px; }
.yc-std-list li{
  position:relative; padding:10px 0 10px 26px;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-size:14.5px; color:rgba(255,255,255,.9);
}
.yc-std-list li:last-child{ border-bottom:0; }
.yc-std-list li i{ position:absolute; left:0; top:13px; color:var(--yc-primary); font-size:12px; }

/* ---------- Applications ---------- */
.yc-app-card{
  display:flex; gap:18px; align-items:flex-start;
  background:#fff; border:1px solid var(--yc-line);
  border-radius:var(--yc-radius); padding:24px; height:100%;
  transition:all .3s ease;
}
.yc-app-card:hover{ border-color:var(--yc-primary); box-shadow:var(--yc-shadow); transform:translateY(-4px); }
.yc-app-icon{
  flex:0 0 54px; height:54px; border-radius:var(--yc-radius);
  background:var(--yc-bg-soft); color:var(--yc-primary);
  display:flex; align-items:center; justify-content:center; font-size:22px;
  transition:all .3s ease;
}
.yc-app-card:hover .yc-app-icon{ background:var(--yc-primary); color:#fff; }
.yc-app-body h3{ font-size:17px; font-weight:700; margin:0 0 6px; color:var(--yc-ink); }
.yc-app-body p{ font-size:14px; color:var(--yc-text); margin:0; line-height:1.6; }

/* ---------- Why ---------- */
.yc-why{ background-color:var(--yc-ink); background-size:cover; background-position:center; position:relative; }
.yc-why::before{ content:""; position:absolute; inset:0; background:rgba(11,46,91,.9); }
.yc-why .container{ position:relative; }
.yc-why .yc-sec-head h2 .yc-light{ color:#fff; opacity:.75; }
.yc-why .yc-sec-head h2 .yc-strong{ color:#fff; }
.yc-why .yc-eyebrow{ color:#FFB37A; }
.yc-why-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--yc-radius); padding:30px 24px; height:100%;
  position:relative; transition:all .32s ease;
}
.yc-why-card:hover{ background:rgba(255,255,255,.12); transform:translateY(-6px); border-color:var(--yc-primary); }
.yc-why-num{
  position:absolute; right:20px; top:14px;
  font-size:44px; font-weight:800; color:rgba(255,255,255,.09); line-height:1;
}
.yc-why-icon{
  display:flex; align-items:center; justify-content:center;
  width:56px; height:56px; border-radius:var(--yc-radius);
  background:var(--yc-primary); color:#fff; font-size:22px; margin-bottom:18px;
}
.yc-why-card h3{ color:#fff; font-size:18px; font-weight:700; margin:0 0 10px; }
.yc-why-card p{ color:rgba(255,255,255,.75); font-size:14.5px; line-height:1.7; margin:0; }

/* ---------- Certificates ---------- */
.yc-cert-box{
  background:#fff; border:1px solid var(--yc-line);
  border-radius:var(--yc-radius); padding:20px; text-align:center; height:100%;
  transition:all .3s ease;
}
.yc-cert-box:hover{ box-shadow:var(--yc-shadow); transform:translateY(-4px); }
.yc-cert-img{ height:190px; display:flex; align-items:center; justify-content:center; overflow:hidden; background:#FAFBFD; border-radius:4px; }
.yc-cert-img img{ max-height:170px; width:auto; object-fit:contain; }
.yc-cert-meta{ padding-top:16px; }
.yc-cert-meta h3{ font-size:16px; font-weight:700; color:var(--yc-ink); margin:0 0 6px; }
.yc-cert-meta p{ font-size:13px; color:var(--yc-text); margin:0; }

/* ---------- FAQ ---------- */
.yc-acc-item{ background:#fff; border:1px solid var(--yc-line); border-radius:var(--yc-radius); margin-bottom:12px; overflow:hidden; }
.yc-acc-head{
  width:100%; text-align:left; background:none; border:0; cursor:pointer;
  padding:18px 54px 18px 22px; position:relative;
  font-size:16px; font-weight:700; color:var(--yc-ink); line-height:1.5;
  font-family:inherit;
}
.yc-acc-head i{
  position:absolute; right:20px; top:50%; transform:translateY(-50%);
  width:28px; height:28px; border-radius:50%;
  background:var(--yc-bg-soft); color:var(--yc-primary);
  display:flex; align-items:center; justify-content:center; font-size:12px;
  transition:all .3s ease;
}
.yc-acc-item.is-open .yc-acc-head i{ background:var(--yc-primary); color:#fff; transform:translateY(-50%) rotate(45deg); }
.yc-acc-body{ padding:0 22px 20px; }
.yc-acc-body p{ font-size:14.5px; color:var(--yc-text); line-height:1.8; margin:0; }

/* ---------- Quote CTA ---------- */
.yc-quote{
  background:linear-gradient(100deg, var(--yc-primary) 0%, var(--yc-primary-dark) 100%);
  padding:55px 0; color:#fff;
}
.yc-quote-text h2{ color:#fff; font-size:30px; font-weight:800; margin:0 0 10px; line-height:1.3; }
.yc-quote-text p{ color:rgba(255,255,255,.9); font-size:15.5px; margin:0; line-height:1.7; }
.yc-quote-btns{ display:flex; flex-wrap:wrap; justify-content:flex-end; align-items:center; }
.yc-contact-strip{ margin-top:34px !important; padding-top:26px; border-top:1px solid rgba(255,255,255,.28); }
.yc-strip-item{
  display:flex; align-items:center; justify-content:center; gap:10px;
  color:#fff; font-size:15px; font-weight:600; padding:6px 0;
}
.yc-strip-item i{ font-size:18px; }
.yc-strip-item:hover{ color:#fff; opacity:.85; }

/* ---------- Contact ---------- */
.yc-contact-list{ list-style:none; padding:0; margin:0; }
.yc-contact-list li{ position:relative; padding:12px 0 12px 30px; border-bottom:1px solid var(--yc-line); font-size:15px; color:#33404F; }
.yc-contact-list li i{ position:absolute; left:0; top:16px; color:var(--yc-primary); }
.yc-contact-list li a{ color:#33404F; }
.yc-contact-list li a:hover{ color:var(--yc-primary); }
.yc-contact-box{ background:#fff; border:1px solid var(--yc-line); border-radius:var(--yc-radius); padding:32px; }
.yc-form-placeholder{ text-align:center; padding:26px 10px; color:var(--yc-text); }
.yc-form-placeholder i{ font-size:38px; color:var(--yc-primary); margin-bottom:14px; }
.yc-form-placeholder h3{ font-size:19px; color:var(--yc-ink); margin:0 0 8px; }
.yc-form-placeholder p{ font-size:14px; margin:0 0 14px; }
.yc-form-placeholder code{ background:var(--yc-bg-soft); padding:6px 12px; border-radius:4px; font-size:13px; color:var(--yc-primary); }

/* Contact Form 7 适配 */
.yc-contact-box .wpcf7 input[type="text"],
.yc-contact-box .wpcf7 input[type="email"],
.yc-contact-box .wpcf7 input[type="tel"],
.yc-contact-box .wpcf7 textarea{
  width:100%; border:1px solid var(--yc-line); border-radius:4px;
  padding:12px 14px; font-size:14.5px; margin-bottom:14px; background:#fff;
}
.yc-contact-box .wpcf7 textarea{ min-height:130px; }
.yc-contact-box .wpcf7 input[type="submit"]{
  background:var(--yc-primary); color:#fff; border:0; border-radius:var(--yc-radius);
  padding:13px 32px; font-size:14px; font-weight:700; cursor:pointer;
}
.yc-contact-box .wpcf7 input[type="submit"]:hover{ background:var(--yc-primary-dark); }

/* ---------- 头部语言切换 ---------- */
.yc-lang-switch{ display:inline-flex; align-items:center; gap:6px; margin-left:14px; }
.yc-lang-switch a{
  font-size:12px; font-weight:700; padding:4px 9px; border-radius:3px;
  border:1px solid var(--yc-line); color:var(--yc-text);
}
.yc-lang-switch a.active{ background:var(--yc-primary); border-color:var(--yc-primary); color:#fff; }

/* 头部询盘按钮 */
.main-header .call{ display:flex; flex-direction:column; align-items:flex-end; gap:8px; }
.main-header .main-abt-contact-box{ display:flex; align-items:center; gap:8px; }
.main-header .call-simplep a{ font-size:15px; font-weight:700; color:var(--yc-ink); }
.main-header .call-simplep a:hover{ color:var(--yc-primary); }
.yc-header-btn{
  display:inline-flex; align-items:center;
  background:var(--yc-primary); color:#fff;
  padding:9px 18px; border-radius:var(--yc-radius);
  font-size:13px; font-weight:700; letter-spacing:.03em;
  transition:all .28s ease;
}
.yc-header-btn:hover{ background:var(--yc-primary-dark); color:#fff; transform:translateY(-2px); }
.yc-header-btn i{ font-size:11px; }

/* 页脚版权 */
.yc-foot-sep{ padding:0 8px; opacity:.6; }
.site-info .yc-foot-contact a{ color:inherit; }

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .yc-hero-title{ font-size:42px; }
  .yc-sec-head h2{ font-size:30px; }
}
@media (max-width:991px){
  .yc-sec{ padding:55px 0; }
  .yc-hero{ padding:80px 0 0; }
  .yc-hero-inner{ padding-bottom:70px; }
  .yc-quote-btns{ justify-content:flex-start; margin-top:20px; }
  .yc-about-badge{ left:12px; bottom:-14px; padding:14px 18px; }
}
@media (max-width:767px){
  .yc-hero-title{ font-size:30px; }
  .yc-hero-desc{ font-size:15px; }
  .yc-sec-head h2{ font-size:25px; }
  .yc-hero-points{ flex-direction:column; gap:12px; }
  .yc-spec-table thead{ display:none; }
  .yc-spec-table td{ display:block; border-bottom:0; padding:6px 14px; }
  .yc-spec-table td::before{
    content:attr(data-label);
    display:block; font-size:11.5px; font-weight:700; color:var(--yc-primary);
    text-transform:uppercase; letter-spacing:.06em;
  }
  .yc-spec-table tbody tr{ display:block; border-bottom:1px solid var(--yc-line); padding:10px 0; }
  .yc-spec-table tbody tr:last-child{ border-bottom:0; }
  .yc-quote-text h2{ font-size:23px; }
  .yc-btn{ padding:11px 20px; font-size:13px; }
}