/* ============================================================
   Buy Invest - 고객센터 페이지 전용 스타일
   ============================================================ */

/* ===== 인트로 (고객님! 무엇을 도와드릴까요?) ===== */
.cs-intro{padding:70px 0 50px;}
.cs-intro-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cs-intro-text{flex:1 1 480px;}
.cs-intro-text h2{font-size:38px;font-weight:400;line-height:1.3;color:var(--text);}
.cs-intro-text h2 strong{display:block;color:var(--blue);font-weight:700;}
.cs-intro-text p{margin-top:26px;font-size:17px;line-height:1.7;color:var(--text);}
.cs-intro-image{flex:0 0 auto;width:100%;max-width:440px;}
.cs-intro-image img{width:100%;height:auto;}

/* ===== 2개 메뉴 카드 (공지사항 / FAQ) ===== */
.cs-menu{padding:10px 0 60px;}
.cs-menu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cs-menu-card{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:46px 20px;background:var(--bg-soft);border:2px solid var(--bg-soft);border-radius:4px;
  font-size:16px;font-weight:700;color:var(--text);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.cs-menu-card i{font-size:30px;color:var(--blue);}
.cs-menu-card:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-4px);}

/* ===== 공지사항 ===== */
.cs-notice{padding:0 0 70px;scroll-margin-top:calc(var(--header-h-desktop) + 20px);}
.cs-section-title{font-size:22px;font-weight:700;color:var(--text);margin-bottom:20px;}
.cs-notice-list{border-top:2px solid var(--text);}
.cs-notice-list li{
  display:flex;align-items:center;gap:14px;padding:20px 6px;border-bottom:1px solid #E5E5E5;
}
.cs-notice-list a{flex:1 1 auto;font-size:16px;color:var(--text);}
.cs-notice-list a:hover{color:var(--blue);}
.cs-notice-badge{
  flex:0 0 auto;padding:0 12px;height:26px;line-height:24px;
  border:1px solid var(--blue);border-radius:3px;font-size:13px;font-weight:700;color:var(--blue);
}
.cs-notice-date{flex:0 0 auto;font-size:14px;color:#999;}

/* ===== 자주 묻는 질문 ===== */
.cs-faq{padding:0 0 100px;scroll-margin-top:calc(var(--header-h-desktop) + 20px);}
.cs-faq-list{border-top:2px solid var(--text);}
.cs-faq-item{border-bottom:1px solid #E5E5E5;}
.cs-faq-item summary{
  display:flex;align-items:center;gap:14px;padding:20px 6px;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text);list-style:none;
}
.cs-faq-item summary::-webkit-details-marker{display:none;}
.cs-faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;margin-left:auto;color:#999;font-size:13px;}
.cs-faq-item[open] summary::after{content:'\f077';color:var(--blue);}
.cs-faq-item p{display:flex;gap:14px;margin:0 6px 22px;padding:18px 20px;font-size:15px;line-height:1.7;color:var(--text);background:var(--bg-soft);border-radius:4px;}
.cs-faq-q,.cs-faq-a{flex:0 0 auto;font-weight:700;color:var(--blue);}

/* ===== Tablet ===== */
@media (max-width:1024px){
  .cs-intro-text h2{font-size:32px;}
  .cs-menu-grid{gap:16px;}
}

/* ===== Mobile ===== */
@media (max-width:768px){
  .cs-intro{padding:40px 0 30px;}
  .cs-intro-inner{flex-direction:column;text-align:center;}
  .cs-intro-text h2{font-size:26px;}
  .cs-intro-text p{margin-top:18px;font-size:15px;}
  .cs-intro-image{max-width:300px;margin:6px auto 0;}

  .cs-menu{padding:0 0 40px;}
  .cs-menu-card{padding:30px 14px;font-size:14px;gap:10px;}
  .cs-menu-card i{font-size:24px;}

  .cs-notice{padding:0 0 50px;scroll-margin-top:calc(var(--header-h-mobile) + 16px);}
  .cs-faq{padding:0 0 60px;scroll-margin-top:calc(var(--header-h-mobile) + 16px);}
  .cs-section-title{font-size:18px;}
  .cs-notice-list li{flex-wrap:wrap;padding:16px 4px;}
  .cs-notice-list a{font-size:14px;}
  .cs-faq-item summary{padding:16px 4px;font-size:14px;}
  .cs-faq-item p{font-size:13px;padding:14px 16px;}
}