/* =========================================================
   搜索 / 分类Tab / 问题列表 / 决策卡片 样式
   ========================================================= */
:root{
  --red:#e63946;
  --red-dark:#c1121f;
  --red-soft:#fef2f2;
  --red-ring:rgba(230,57,70,.15);
  --ink:#1f2329;
  --sub:#6b7280;
  --line:rgba(0,0,0,.07);
  --line-strong:rgba(0,0,0,.12);
  --bg:#ffffff;
  --bg-soft:#f6f7f9;
  --dark:#15181d;
  --dark-2:#2b323b;
  --radius:12px;
  --shadow-sm:0 2px 10px rgba(17,24,39,.05);
  --shadow-md:0 10px 30px rgba(17,24,39,.08);
  --shadow-lg:0 20px 50px rgba(230,57,70,.18);
  --ease:cubic-bezier(.4,0,.2,1);
  --nav-h:66px;

  /* ===== 图标库（红色线框） ===== */
  --ico-phone:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.9v3a2 2 0 0 1-2.2 2 19.8 19.8 0 0 1-8.6-3.1 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.1 4.2 2 2 0 0 1 4.1 2h3a2 2 0 0 1 2 1.7c.1.9.3 1.8.6 2.6a2 2 0 0 1-.5 2.1L8 10.5a16 16 0 0 0 6 6l2.1-1.2a2 2 0 0 1 2.1-.5c.8.3 1.7.5 2.6.6a2 2 0 0 1 1.7 2z'/%3E%3C/svg%3E");
  --ico-wechat:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.6' stroke-linejoin='round'%3E%3Cpath d='M9 4C5.1 4 2 6.6 2 9.9c0 1.5.7 2.9 1.8 4l-.6 2.2 2.5-1.2c.9.2 1.8.4 2.8.4.3 0 .6 0 .9-.1C10.2 15.4 9 15.9 9 15.9 9 18 11.8 20 15.2 20c.5 0 1 0 1.5-.1l2.1 1 .6-2.1c1-.9 1.7-2.1 1.7-3.5C21 11.5 15.6 4 9 4z'/%3E%3Ccircle cx='7' cy='9' r='.7' fill='%23e63946'/%3E%3Ccircle cx='11' cy='9' r='.7' fill='%23e63946'/%3E%3C/svg%3E");
  --ico-mail:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M3 7l9 6 9-6'/%3E%3C/svg%3E");
  --ico-mail-w:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M3 7l9 6 9-6'/%3E%3C/svg%3E");
  --ico-phone-w:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.9v3a2 2 0 0 1-2.2 2 19.8 19.8 0 0 1-8.6-3.1 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.1 4.2 2 2 0 0 1 4.1 2h3a2 2 0 0 1 2 1.7c.1.9.3 1.8.6 2.6a2 2 0 0 1-.5 2.1L8 10.5a16 16 0 0 0 6 6l2.1-1.2a2 2 0 0 1 2.1-.5c.8.3 1.7.5 2.6.6a2 2 0 0 1 1.7 2z'/%3E%3C/svg%3E");
  --ico-top:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 19V5M5 12l7-7 7 7'/%3E%3C/svg%3E");
  --ico-search:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E");
  --ico-empty:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5M8 8l6 6M14 8l-6 6'/%3E%3C/svg%3E");

  /* 图标白色版（hover/深色底使用） */
  --ico-phone-w2:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.9v3a2 2 0 0 1-2.2 2 19.8 19.8 0 0 1-8.6-3.1 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.1 4.2 2 2 0 0 1 4.1 2h3a2 2 0 0 1 2 1.7c.1.9.3 1.8.6 2.6a2 2 0 0 1-.5 2.1L8 10.5a16 16 0 0 0 6 6l2.1-1.2a2 2 0 0 1 2.1-.5c.8.3 1.7.5 2.6.6a2 2 0 0 1 1.7 2z'/%3E%3C/svg%3E");
  --ico-wechat-w:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.6' stroke-linejoin='round'%3E%3Cpath d='M9 4C5.1 4 2 6.6 2 9.9c0 1.5.7 2.9 1.8 4l-.6 2.2 2.5-1.2c.9.2 1.8.4 2.8.4.3 0 .6 0 .9-.1C10.2 15.4 9 15.9 9 15.9 9 18 11.8 20 15.2 20c.5 0 1 0 1.5-.1l2.1 1 .6-2.1c1-.9 1.7-2.1 1.7-3.5C21 11.5 15.6 4 9 4z'/%3E%3Ccircle cx='7' cy='9' r='.7' fill='%23ffffff'/%3E%3Ccircle cx='11' cy='9' r='.7' fill='%23ffffff'/%3E%3C/svg%3E");
  --ico-top-w:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 19V5M5 12l7-7 7 7'/%3E%3C/svg%3E");
}

/* ===== 通用图标 ===== */
.ico{width:20px;height:20px;display:inline-block;background-repeat:no-repeat;background-position:center;background-size:contain;flex:none;}
.ico-phone{background-image:var(--ico-phone);}
.ico-phone-w{background-image:var(--ico-phone-w);}
.ico-wechat{background-image:var(--ico-wechat);}
.ico-mail-w{background-image:var(--ico-mail-w);}
.ico-top{background-image:var(--ico-top);}
.ico-search{background-image:var(--ico-search);}
.ico-empty{background-image:var(--ico-empty);width:48px;height:48px;}

/* ===== 按钮 ===== */
.btn-primary,.btn-ghost,.btn-ghost-light,.btn-lg,.btn-sm,.btn-consult{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border:none;border-radius:8px;font-weight:600;transition:.25s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--red);color:#fff;padding:14px 30px;font-size:15px;box-shadow:0 8px 20px var(--red-ring);}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line-strong);padding:14px 28px;font-size:15px;}
.btn-ghost:hover{border-color:var(--red);color:var(--red);}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);padding:14px 26px;font-size:15px;}
.btn-ghost-light:hover{background:#fff;color:var(--red);}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-sm{padding:8px 18px;font-size:13px;}
.btn-consult{background:var(--red);color:#fff;padding:9px 20px;font-size:14px;}
.btn-consult:hover{background:var(--red-dark);}


/* ===== 搜索区 ===== */
.faq-search-box{margin-top:-34px;position:relative;z-index:5;margin-bottom:22px;}
.faq-search{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:2px solid #fff;border-radius:14px;
  padding:8px 12px 8px 20px;
  box-shadow:0 16px 40px rgba(17,24,39,.12);
  transition:.25s var(--ease);
}
.faq-search:focus-within{border-color:var(--red);box-shadow:0 16px 40px var(--red-ring);}
.search-ico{flex:none;width:22px;height:22px;}
#faqSearch{
  flex:1;border:0;outline:0;background:none;font-size:15.5px;color:var(--ink);height:46px;
}
#faqSearch::placeholder{color:#a8adb6;}
.search-clear{
  width:28px;height:28px;border-radius:50%;border:0;background:var(--bg-soft);
  color:var(--sub);font-size:17px;line-height:1;display:none;transition:.2s;
}
.search-clear:hover{background:var(--red);color:#fff;}
.search-clear.is-show{display:block;}
.search-tips{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 4px 0;
}
.tips-label{
  font-size:13px;color:var(--sub);white-space:nowrap;
}
.search-chips{
  display:flex;flex-wrap:wrap;gap:8px;
}
.chip{
  font-size:13px;color:var(--sub);padding:5px 13px;border-radius:999px;
  background:var(--bg-soft);cursor:pointer;transition:.2s;
}
.chip:hover{background:var(--red-soft);color:var(--red);}

/* ===== 分类Tab ===== */
.faq-tabs{
  display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;
  padding:8px;background:var(--bg-soft);border-radius:12px;
}
.faq-tab{
  border:0;background:transparent;color:var(--sub);font-size:14.5px;font-weight:600;
  padding:10px 20px;border-radius:8px;transition:.25s var(--ease);
}
.faq-tab:hover{color:var(--ink);background:rgba(255,255,255,.7);}
.faq-tab.is-active{
  background:var(--red);color:#fff;box-shadow:0 6px 14px var(--red-ring);
}

/* ===== 统计信息 ===== */
.faq-meta{
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-bottom:16px;font-size:13.5px;color:var(--sub);
}
.faq-meta b{color:var(--red);font-weight:700;}
.faq-meta .clear-keyword{
  border:0;background:none;color:var(--red);font-size:13.5px;font-weight:600;
  padding:0;text-decoration:underline;text-underline-offset:2px;display:none;
}
.faq-meta .clear-keyword.is-show{display:inline;}

/* ===== 问题列表 ===== */
.faq-list{display:flex;flex-direction:column;gap:10px;margin-bottom:60px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);}
.faq-item.is-open{border-color:#ffc9cf;box-shadow:var(--shadow-md);}

.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 22px;background:none;border:0;cursor:pointer;
}
.faq-q .q-arrow{
  width:22px;height:22px;flex:none;border-radius:6px;background:var(--red-soft);
  display:flex;align-items:center;justify-content:center;transition:.3s var(--ease);
}
.faq-q .q-arrow::before{
  content:"";width:8px;height:8px;border-right:2px solid var(--red);border-bottom:2px solid var(--red);
  transform:rotate(45deg) translate(-1px,-1px);transition:.3s var(--ease);
}
.faq-item.is-open .faq-q .q-arrow{background:var(--red);}
.faq-item.is-open .faq-q .q-arrow::before{border-color:#fff;transform:rotate(-135deg) translate(-1px,-1px);}
.faq-q .q-text{
  flex:1;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;transition:.2s;
}
.faq-q:hover .q-text{color:var(--red);}
.faq-item.is-open .faq-q .q-text{color:var(--red);}
.faq-q .q-cat{
  flex:none;font-size:12px;color:var(--sub);padding:3px 10px;border-radius:999px;
  background:var(--bg-soft);font-weight:500;
}
mark{
  background:linear-gradient(180deg,transparent 60%,#ffe08a 60%);
  color:inherit;padding:0 1px;border-radius:2px;
}

.faq-a{
  display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{min-height:0;overflow:hidden;}
.faq-a-body{padding:0 22px 22px 58px;color:var(--sub);font-size:14.5px;line-height:1.85;}
.faq-a-body p{margin-bottom:10px;}
.faq-a-body p:last-child{margin-bottom:0;}
.faq-a-body strong{color:var(--ink);font-weight:600;}
.faq-a-body ul,.faq-a-body ol{margin:0 0 10px;padding-left:20px;}
.faq-a-body li{margin-bottom:5px;}
.faq-a-body .tip{
  margin-top:12px;padding:12px 14px;background:var(--red-soft);
  border-left:3px solid var(--red);border-radius:0 8px 8px 0;font-size:14px;color:#8a2530;
}

/* ===== 空状态 ===== */
.faq-empty{
  text-align:center;padding:56px 20px;color:var(--sub);
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);margin-bottom:60px;
}
.faq-empty .ico-empty{margin:0 auto 14px;opacity:.5;}
.faq-empty p{margin-bottom:16px;font-size:15px;}
.faq-empty b{color:var(--red);}

/* ===== 决策卡片 ===== */
.decis-section{margin-bottom:64px;}
.sec-title{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px;}
.sec-desc{text-align:center;color:var(--sub);font-size:14.5px;margin-bottom:30px;}
.decis-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.decis-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;transition:.28s var(--ease);position:relative;overflow:hidden;
}
.decis-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--red),var(--red-dark));transform:scaleX(0);transform-origin:left;transition:.3s var(--ease);
}
.decis-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ffc9cf;}
.decis-card:hover::before{transform:scaleX(1);}
.decis-card .ico{width:30px;height:30px;margin-bottom:16px;}
.decis-card h3{font-size:16px;margin-bottom:8px;}
.decis-card p{font-size:13.5px;color:var(--sub);line-height:1.75;}

/* 决策图标 */
.ico-decis-1{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 11l3 3L22 4M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11'/%3E%3C/svg%3E");}
.ico-decis-2{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6M9 13h6M9 17h6'/%3E%3C/svg%3E");}
.ico-decis-3{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='6' width='20' height='13' rx='2'/%3E%3Cpath d='M22 10H2M6 15h4'/%3E%3C/svg%3E");}
.ico-decis-4{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e63946' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M23 21v-2a4 4 0 0 0-3-3.87M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E");}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1000px){
  .decis-grid{grid-template-columns:repeat(2,1fr);}
  .faq-q{padding:16px 18px;}
  .faq-q .q-text{font-size:15px;}
  .faq-q .q-cat{display:none;}
  .faq-a-body{padding:0 18px 18px 52px;}
}
@media (max-width:600px){
  .faq-tabs{padding:6px;display: grid;grid-template-columns: 1fr 1fr 1fr;}
  .faq-tab{padding:8px 13px;font-size:13.5px;flex:1;text-align:center;}
  .faq-search-box{margin-top:-24px;}
  #faqSearch{font-size:15px;}
  .decis-grid{grid-template-columns:1fr 1fr;}
  .faq-a-body{padding:0 18px 18px 18px;}
  .search-tips{
    display: none;
  }
  .page-hero{
    padding-top: 54px;
  }
  .page-hero .wrap{
    padding-top: 0;
  }
}