/* ============================================================
   xinnengyuan.css · 新能源光伏行业网站建设
   视觉语言：斜切色块 + 深色科技区 + 大数字
   点缀色：明黄 #EAB308
   ============================================================ */

.banner-xny{background-image:url('../images/banner-home.jpg')}

/* ---------- 斜切 CTA 色块 ---------- */
.xn-clipsec{padding:0}
.xn-clip{
  background:linear-gradient(120deg,#0F1F3D 0%,#1B3A6B 60%,#1E4E8C 100%);
  padding:64px 60px;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;
  clip-path:polygon(0 0,100% 0,97% 100%,0 100%);
}
.xn-clip-tag{
  display:inline-block;font-size:13px;font-weight:700;color:#0F1F3D;background:#EAB308;
  padding:5px 14px;border-radius:6px;margin-bottom:16px;letter-spacing:1px;
}
.xn-clip-text h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:16px;line-height:1.35}
.xn-clip-text p{color:#B9CBE8;font-size:15px;line-height:1.8;margin-bottom:24px}
.btn-dark{background:#EAB308;color:#0F1F3D;box-shadow:0 8px 20px rgba(234,179,8,.3)}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(234,179,8,.45)}
.xn-clip-nums{display:grid;gap:18px}
.xn-num{
  background:rgba(255,255,255,.06);border-left:3px solid #EAB308;border-radius:8px;
  padding:16px 22px;
}
.xn-num b{display:block;font-size:28px;font-weight:800;color:#EAB308;line-height:1.2}
.xn-num span{color:#B9CBE8;font-size:13.5px}

/* ---------- 深色痛点带 ---------- */
.xn-dark{background:#0B1A33;padding:96px 0}
.sec-head.light h2{color:#fff}
.sec-head.light p{color:#B9CBE8}
.sec-eyebrow.light{background:rgba(234,179,8,.14);color:#EAB308}
.sec-eyebrow.light::before{background:#EAB308}
.xn-pains{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.xn-pain{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;
  padding:34px 30px;transition:all var(--trans);
}
.xn-pain:hover{background:rgba(234,179,8,.08);transform:translateY(-5px)}
.xn-pain-no{font-size:30px;font-weight:800;color:#EAB308;opacity:.5;display:block;margin-bottom:12px}
.xn-pain h3{color:#fff;font-size:19px;margin-bottom:10px}
.xn-pain p{color:#B9CBE8;font-size:14.5px;line-height:1.75}

/* ---------- 斜角步骤卡 ---------- */
.xn-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.xn-step{
  background:#fff;border:1px solid var(--c-line);padding:30px 26px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
  transition:all var(--trans);
}
.xn-step:hover{background:var(--c-ice)}
.xn-step svg{width:34px;height:34px;fill:#EAB308;margin-bottom:16px}
.xn-step h3{font-size:17.5px;margin-bottom:10px}
.xn-step p{color:var(--c-text-2);font-size:14px;line-height:1.7}

/* ---------- 案例 ---------- */
.xn-casusec{background:var(--c-ice-2)}
.xn-caserow{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.xn-case{
  background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);
  transition:all var(--trans);display:block;
}
.xn-case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.xn-case img{width:100%}
.xn-case-tag{
  display:inline-block;margin:18px 26px 0;font-size:12.5px;font-weight:700;color:#0F1F3D;
  background:#EAB308;padding:3px 12px;border-radius:6px;
}
.xn-case h3{font-size:19px;margin:10px 26px 8px}
.xn-case p{color:var(--c-text-2);font-size:14px;line-height:1.7;padding:0 26px 26px}

/* ---------- FAQ ---------- */
.xn-faqlist{max-width:840px;margin:0 auto;display:grid;gap:14px}
.xn-faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:20px 26px;
  border-left:4px solid #EAB308;
}
.xn-faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:700;color:var(--c-primary);font-size:16px;cursor:pointer;list-style:none;
}
.xn-faq-item summary::-webkit-details-marker{display:none}
.xn-faq-item summary i{
  width:10px;height:10px;border-right:2px solid #EAB308;border-bottom:2px solid #EAB308;
  transform:rotate(45deg);transition:transform var(--trans);flex-shrink:0;margin-top:-4px;
}
.xn-faq-item[open] summary i{transform:rotate(-135deg)}
.xn-faq-item p{margin-top:12px;color:var(--c-text-2);font-size:15px;line-height:1.8}
.xn-faq-item p a{color:#B7791F;text-decoration:underline}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .xn-clip{grid-template-columns:1fr;clip-path:none;padding:48px 36px}
  .xn-pains{grid-template-columns:1fr}
  .xn-steps{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .xn-steps{grid-template-columns:1fr}
  .xn-caserow{grid-template-columns:1fr}
  .xn-dark{padding:64px 0}
}