/* =============================================
   炎煌建筑科技 WordPress 主题样式
   ============================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1a2744;
  --primary2:#0d1a36;
  --accent:#b91c1c;
  --accent2:#991b1b;
  --gold:#c49a3c;
  --gold2:#f0b429;
  --bg:#f4f6fa;
  --bg2:#eef1f7;
  --white:#ffffff;
  --text:#1e293b;
  --text2:#475569;
  --text3:#94a3b8;
  --border:#dde3ef;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow:0 8px 32px rgba(0,0,0,.10);
  --shadow-lg:0 20px 60px rgba(0,0,0,.14);
  --radius:12px;
  --radius-lg:20px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Noto Sans SC','Inter',system-ui,sans-serif;
  color:var(--text);background:var(--white);
  line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* Navbar */
.navbar{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(26,39,68,0.97);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:all .3s ease;
}
.navbar.light{
  background:rgba(255,255,255,0.97);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.nav-logo{display:flex;align-items:center;gap:12px;cursor:pointer}
.nav-logo-img{
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,0.1);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;flex-shrink:0;
  border:2px solid rgba(255,255,255,0.18);
}
.nav-logo-img img{width:100%;height:100%;object-fit:contain}
.nav-logo-text{display:flex;flex-direction:column;line-height:1.2}
.nav-logo-cn{font-size:.95rem;font-weight:700;color:#fff;letter-spacing:.02em}
.nav-logo-en{font-size:.6rem;font-weight:400;color:rgba(255,255,255,.5);letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.navbar.light .nav-logo-cn{color:var(--primary)}
.navbar.light .nav-logo-en{color:var(--text3)}
.navbar.light .nav-logo-img{background:var(--bg);border-color:var(--border)}

.nav-menu{display:flex;align-items:center;gap:4px;list-style:none}
.nav-menu a{
  font-size:.875rem;font-weight:500;
  color:rgba(255,255,255,.8);
  padding:8px 14px;border-radius:8px;
  transition:all .2s;letter-spacing:.02em;
}
.navbar.light .nav-menu a{color:var(--text)}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.navbar.light .nav-menu a:hover{color:var(--primary);background:var(--bg)}
.nav-cta{
  background:var(--accent);color:#fff !important;
  border-radius:8px;font-weight:600 !important;
  padding:9px 20px !important;
  transition:all .2s !important;
}
.nav-cta:hover{background:var(--accent2) !important;transform:translateY(-1px) !important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.navbar.light .hamburger span{background:var(--primary)}

/* Hero */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;
  overflow:hidden;
}
.hero-bg-img{
  position:absolute;inset:0;
  background-position:center;background-size:cover;background-repeat:no-repeat;
  transform:scale(1.04);
  animation:heroZoom 18s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.04)}to{transform:scale(1.0)}}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(105deg, rgba(13,26,54,.92) 0%, rgba(13,26,54,.75) 50%, rgba(13,26,54,.55) 100%),
    linear-gradient(to bottom, rgba(0,0,0,.15) 0%, transparent 40%, transparent 60%, rgba(0,0,0,.4) 100%);
}
.hero-content{
  position:relative;z-index:2;
  width:100%;padding:140px 0 100px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  border-radius:100px;
  padding:7px 18px;
  font-size:.78rem;font-weight:500;
  color:rgba(255,255,255,.85);
  letter-spacing:.06em;text-transform:uppercase;
  margin-bottom:28px;
  backdrop-filter:blur(8px);
}
.hero-badge::before{
  content:'';width:7px;height:7px;border-radius:50%;
  background:var(--gold2);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{
  font-size:clamp(2.2rem,4.5vw,4rem);
  font-weight:900;color:#fff;
  line-height:1.18;letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero h1 .hl{color:var(--gold2)}
.hero-sub{
  font-size:clamp(1rem,1.6vw,1.2rem);
  color:rgba(255,255,255,.78);
  max-width:560px;line-height:1.65;
  margin-bottom:44px;font-weight:300;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:72px}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--accent);color:#fff;
  padding:14px 32px;border-radius:10px;
  font-weight:600;font-size:.95rem;
  border:none;cursor:pointer;
  box-shadow:0 8px 24px rgba(185,28,28,.35);
  transition:all .25s;
}
.btn-primary:hover{background:var(--accent2);transform:translateY(-2px);box-shadow:0 12px 32px rgba(185,28,28,.4)}

/* Section helpers */
section{padding:96px 0}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;
  color:var(--accent);letter-spacing:.12em;text-transform:uppercase;
  margin-bottom:14px;
}
.section-label::before{
  content:'';width:24px;height:2px;background:var(--accent);
  border-radius:1px;
}
.section-title{
  font-size:clamp(1.6rem,2.8vw,2.4rem);
  font-weight:800;color:var(--primary);
  line-height:1.22;letter-spacing:-.02em;
}
.section-title .hl{color:var(--accent)}
.section-desc{
  font-size:1.05rem;color:var(--text2);
  max-width:600px;margin-top:14px;line-height:1.7;font-weight:300;
}
.section-head{text-align:center;margin-bottom:64px}
.section-head .section-label{justify-content:center}
.section-head .section-desc{margin-inline:auto}

/* About */
.about{background:var(--white)}
.about-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:72px;align-items:center;
}
.about-images{position:relative}
.about-img-main{
  width:100%;aspect-ratio:4/3;
  border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);
}
.about-img-main img{width:100%;height:100%;object-fit:cover}
.about-badge{
  position:absolute;
  top:24px;left:-20px;
  background:var(--accent);
  color:#fff;border-radius:12px;
  padding:14px 18px;
  box-shadow:0 8px 24px rgba(185,28,28,.3);
  text-align:center;
}
.about-badge .b-num{font-size:1.6rem;font-weight:900;font-family:'Inter',sans-serif;line-height:1}
.about-badge .b-lbl{font-size:.7rem;margin-top:3px;opacity:.85;white-space:nowrap}

/* MVV */
.mvv{background:var(--bg)}
.mvv-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.mvv-card{
  border-radius:var(--radius-lg);overflow:hidden;
  position:relative;min-height:400px;
  cursor:default;
}
.mvv-card-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transition:transform .7s ease;
}
.mvv-card:hover .mvv-card-bg{transform:scale(1.08)}
.mvv-card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top, rgba(13,26,54,.95) 0%, rgba(13,26,54,.6) 45%, rgba(13,26,54,.2) 100%);
}
.mvv-card-content{
  position:relative;z-index:2;
  padding:36px 28px 32px;
  height:100%;display:flex;flex-direction:column;justify-content:flex-end;
}
.mvv-icon{
  width:52px;height:52px;border-radius:14px;
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin-bottom:14px;
  border:1px solid rgba(255,255,255,.15);
}
.mvv-card h3{
  font-size:1.3rem;font-weight:800;
  color:var(--gold2);margin-bottom:10px;
}
.mvv-card p{
  font-size:.875rem;color:rgba(255,255,255,.85);
  line-height:1.65;
}
.mvv-card p b{color:var(--gold2)}

/* Products */
.products{background:var(--white)}
.prod-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(270px,1fr));
  gap:24px;
}
.prod-card{
  background:#fff;border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:all .28s;
}
.prod-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.prod-img-wrap{
  height:220px;overflow:hidden;position:relative;
}
.prod-img-wrap img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.prod-card:hover .prod-img-wrap img{transform:scale(1.06)}
.prod-img-wrap .prod-tag{
  position:absolute;top:14px;left:14px;
  background:var(--primary);color:#fff;
  font-size:.72rem;font-weight:700;
  padding:4px 12px;border-radius:100px;
  letter-spacing:.05em;
}
.prod-body{padding:22px 22px 26px}
.prod-title{
  font-size:1.1rem;font-weight:700;
  color:var(--primary);margin-bottom:6px;
}
.prod-desc{
  font-size:.85rem;color:var(--text2);
  line-height:1.6;margin-bottom:14px;
}
.prod-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--bg2);
}
.prod-price{
  font-size:1.25rem;font-weight:800;
  color:var(--accent);font-family:'Inter',sans-serif;
}
.prod-unit{font-size:.78rem;color:var(--text3);margin-top:2px}
.prod-scene{
  font-size:.76rem;color:var(--text3);
  background:var(--bg);padding:4px 10px;border-radius:6px;
}
.prod-divider{
  margin-bottom:16px;display:flex;align-items:center;gap:10px;
}
.prod-divider-label{
  font-size:.8rem;font-weight:700;color:var(--text3);letter-spacing:.08em;text-transform:uppercase;
}
.prod-divider-line{flex:1;height:1px;background:var(--border)}
.prod-row{margin-bottom:40px}
.prod-row:last-child{margin-bottom:0}

/* Cases */
.cases{background:var(--bg)}
.cases-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.cases-card{
  position:relative;border-radius:var(--radius);
  overflow:hidden;aspect-ratio:3/2;
  cursor:pointer;
}
.cases-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.cases-card:hover img{transform:scale(1.06)}
.cases-card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,26,54,.85) 0%,rgba(13,26,54,.15) 60%,transparent 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:18px;transition:background .3s;
}
.cases-card:hover .cases-card-overlay{
  background:linear-gradient(to top,rgba(13,26,54,.92) 0%,rgba(13,26,54,.25) 50%,transparent 100%);
}
.cases-card-title{
  font-size:.9rem;font-weight:700;color:#fff;
  margin-bottom:2px;
}
.cases-card-desc{
  font-size:.75rem;color:rgba(255,255,255,.75);
}

/* Why Us */
.why{background:var(--bg)}
.why-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:20px;
}
.why-card{
  background:#fff;border-radius:var(--radius);
  padding:32px 28px;
  border:1px solid var(--border);
  transition:all .25s;
}
.why-card:hover{
  border-color:var(--accent);
  box-shadow:0 8px 32px rgba(185,28,28,.1);
  transform:translateY(-4px);
}
.why-icon{
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin-bottom:20px;
}
.why-card:nth-child(1) .why-icon{background:linear-gradient(135deg, #708da6, #526d84)}
.why-card:nth-child(2) .why-icon{background:linear-gradient(135deg, #6685a0, #48657e)}
.why-card:nth-child(3) .why-icon{background:linear-gradient(135deg, #5b7d99, #3e5d76)}
.why-card:nth-child(4) .why-icon{background:linear-gradient(135deg, #507492, #34536b)}
.why-card h4{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:8px}
.why-card p{font-size:.875rem;color:var(--text2);line-height:1.65}

/* Footer */
footer{
  background:var(--primary2);
  padding:48px 0 28px;
}
.footer-inner{
  display:flex;flex-wrap:wrap;
  gap:32px;justify-content:space-between;
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.footer-brand{}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.footer-logo-img{
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.08);
  overflow:hidden;border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
}
.footer-logo-img img{width:100%;height:100%;object-fit:contain}
.footer-brand-name{font-size:.95rem;font-weight:700;color:#e2e8f0}
.footer-brand-desc{font-size:.82rem;color:rgba(255,255,255,.4);max-width:280px;line-height:1.6}
.footer-copy{
  text-align:center;
  font-size:.8rem;color:rgba(255,255,255,.3);
  padding-top:24px;
}
.footer-beian{
  text-align:center;
  font-size:.8rem;color:rgba(255,255,255,.3);
  padding-top:8px;
}
.footer-beian a{color:rgba(255,255,255,.45);text-decoration:none;}
.footer-beian a:hover{color:#fff;text-decoration:underline;}

/* 浮动拨号按钮（固定右下角） */
.float-call{
  position:fixed;
  right:24px;bottom:24px;
  z-index:9999;
  display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#ff6a00,#ff3d00);
  color:#fff;text-decoration:none;
  padding:12px 18px;border-radius:40px;
  font-size:.95rem;font-weight:700;
  box-shadow:0 8px 24px rgba(255,61,0,.35);
  transition:transform .2s ease, box-shadow .2s ease;
  animation:yh-call-pulse 2s infinite;
}
.float-call:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,61,0,.45);color:#fff;text-decoration:none;}
.float-call-icon{font-size:1.15rem;line-height:1;}
.float-call-text{white-space:nowrap;}
@keyframes yh-call-pulse{
  0%{box-shadow:0 0 0 0 rgba(255,61,0,.5);}
  70%{box-shadow:0 0 0 14px rgba(255,61,0,0);}
  100%{box-shadow:0 0 0 0 rgba(255,61,0,0);}
}
@media(max-width:480px){
  .float-call{right:14px;bottom:14px;padding:10px 14px;font-size:.85rem;}
}
.footer-info{color:rgba(255,255,255,.45);font-size:.85rem;line-height:2}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* Cards as links */
.prod-card{display:block;color:inherit}
.cases-card{display:block;color:inherit}
.prod-more{
  display:inline-block;margin-top:12px;
  font-size:.8rem;font-weight:700;color:var(--accent);
  transition:transform .2s;
}
.prod-card:hover .prod-more{transform:translateX(4px)}
.cases-card-more{
  display:inline-block;margin-top:8px;font-size:.75rem;font-weight:700;color:var(--gold2);
}
.yh-seeall{
  display:inline-block;margin-top:18px;
  font-size:.9rem;font-weight:700;color:var(--accent);
  border:1px solid var(--accent);padding:9px 22px;border-radius:100px;
  transition:all .2s;
}
.yh-seeall:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}

/* News - 双列纯文字列表样式 */
.news{background:var(--white)}
.news-list-wrap{
  background:#fff;border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  padding:14px 0;
}
.news-text-list{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:1fr 1fr;column-gap:48px;
}
.news-text-list li{margin:0;padding:0}
.news-text-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;border-bottom:1px solid var(--border);
  color:var(--text1);transition:background .18s,color .18s;
}
.news-text-list li:nth-last-child(-n+2) a{border-bottom:none}
.news-text-list a:hover{background:var(--bg);color:var(--accent)}
.n-title{
  flex:1;min-width:0;font-size:.95rem;font-weight:500;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  padding-right:24px;color:inherit;
}
.n-date{flex-shrink:0;font-size:.82rem;color:var(--text3);letter-spacing:.04em}
.news-empty{color:var(--text3);text-align:center;padding:40px 0;font-size:.95rem}

/* Pagination */
.yh-pagination{text-align:center;margin-top:40px}
.yh-pagination a,.yh-pagination span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 14px;margin:0 4px;
  border-radius:10px;border:1px solid var(--border);background:#fff;
  color:var(--text2);font-weight:600;font-size:.9rem;transition:all .2s;
}
.yh-pagination a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.yh-pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ============ 详情页（参考式：左大图 + 右信息 → 独立详情区） ============ */
.yh-single,.yh-archive{padding:120px 0 80px;background:var(--bg)}
.yh-back{
  display:inline-block;margin-bottom:28px;
  font-size:.85rem;font-weight:600;color:var(--text2);
  transition:color .2s;
}
.yh-back:hover{color:var(--accent)}

/* ── 主图 + 右侧信息（左右两栏） ── */
.yh-detail-hero{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;
  align-items:start;margin-bottom:48px;
}
.yh-detail-img{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);background:#fff;
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
}
.yh-detail-img img{width:100%;height:100%;object-fit:cover}
.yh-detail-img-empty{
  color:var(--text3);font-size:.9rem;
}

/* 右侧信息 */
.yh-detail-info{}
.yh-detail-cat{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;color:var(--accent);
  letter-spacing:.06em;text-transform:uppercase;
  margin-bottom:12px;
}
.yh-detail-cat::before{
  content:'';width:20px;height:2.5px;background:var(--accent);
  border-radius:2px;display:inline-block;vertical-align:middle;
}
.yh-detail-title{
  font-size:clamp(1.6rem,3vw,2.4rem);font-weight:900;color:var(--primary);
  line-height:1.2;margin-bottom:24px;letter-spacing:-.02em;
}
/* 横排参数卡片 */
.yh-detail-params{
  display:flex;flex-wrap:wrap;gap:14px;
}
.yh-param-card{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  padding:14px 18px;min-width:130px;flex:1;
  box-shadow:var(--shadow-sm);
}
.yh-param-k{
  display:block;font-size:.7rem;color:var(--text3);
  letter-spacing:.08em;margin-bottom:5px;
}
.yh-param-v{
  font-size:.95rem;font-weight:700;color:var(--text);line-height:1.35;
}
.yh-param-price{color:var(--accent);font-size:1.08rem}

/* ── 独立详情介绍区块 ── */
.yh-detail-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:36px 40px 44px;
}
.yh-subtitle{
  font-size:1.15rem;font-weight:800;color:var(--primary);
  margin-bottom:20px;padding-left:12px;border-left:4px solid var(--accent);
  line-height:1.4;
}
.yh-detail-content{font-size:1rem;color:var(--text2);line-height:1.9}
.yh-detail-content p{margin-bottom:14px}
.yh-detail-content img{max-width:100%;height:auto;border-radius:10px;margin:16px 0}
.yh-detail-content h2,.yh-detail-content h3,.yh-detail-content h4{color:var(--primary);margin:20px 0 10px}
.yh-detail-content ul,.yh-detail-content ol{margin:0 0 14px 22px}
.yh-detail-content a{color:var(--accent)}

/* Archive（保留） */
.yh-archive-group{margin-bottom:48px}
.yh-archive-group:last-child{margin-bottom:0}

/* Responsive */
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:48px}
  .about-images{aspect-ratio:16/9}
  .mvv-grid{grid-template-columns:1fr 1fr}
  .cases-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .container{padding:0 20px}
  section{padding:72px 0}
  .yh-single,.yh-archive{padding:96px 0 64px}
  .yh-detail-hero{grid-template-columns:1fr;gap:28px}
  .yh-detail-params{gap:10px}
  .yh-param-card{min-width:100px;padding:10px 14px}
  .nav-menu{display:none;flex-direction:column;gap:4px;position:absolute;top:72px;left:0;right:0;background:var(--primary2);padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-menu.open{display:flex}
  .hamburger{display:flex}
  .mvv-grid{grid-template-columns:1fr}
  .about-badge{left:14px}
  .hero h1{font-size:2rem}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
  .news-text-list{grid-template-columns:1fr;column-gap:0}
}
@media(max-width:500px){
  .prod-grid{grid-template-columns:1fr}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
}

/* FAQ 区块 */
.yh-faq{max-width:860px;margin:0 auto}
.yh-faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:20px 26px;margin-bottom:16px;box-shadow:var(--shadow-sm);
  transition:border-color .2s,box-shadow .2s;
}
.yh-faq-item:hover{border-color:var(--accent);box-shadow:var(--shadow-md)}
.yh-faq-q{font-size:1.05rem;font-weight:700;color:var(--primary);margin:0 0 10px;line-height:1.5}
.yh-faq-q::before{content:"Q";display:inline-block;margin-right:10px;color:#fff;background:var(--accent);border-radius:6px;padding:0 8px;font-size:.85rem;font-weight:700}
.yh-faq-a{font-size:.92rem;color:var(--text2);line-height:1.8;margin:0}
.yh-faq-a p{margin:0}

/* ====== 独立页面模板（关于我们 / 常见问题）====== */
.yh-page-main{background:#f5f6fa;min-height:60vh}
/* 全宽首图 Banner */
.yh-page-hero{
  width:100%;max-height:480px;overflow:hidden;
  background:#e8eaef;
}
.yh-page-hero img{
  display:block;width:100%;height:auto;
  max-height:480px;object-fit:cover;object-position:center;
}
/* 白色卡片容器 */
.yh-page-body-wrap{
  padding:50px 0 70px;
}
.yh-page-body-inner{
  max-width:980px;margin:0 auto;
  background:#fff;border-radius:16px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  padding:44px 48px 52px;
}
/* 标题：左侧红色竖条 */
.yh-page-title{
  font-size:1.55rem;font-weight:800;color:#1a1a2e;
  margin:0 0 24px;padding-left:18px;
  border-left:5px solid var(--accent);
  line-height:1.3;
}
/* 正文内容 */
.yh-page-content{
  color:var(--text1);font-size:.95rem;line-height:1.85;
}
.yh-page-content p{
  margin-bottom:14px;color:inherit;
}
.yh-page-content img{
  max-width:100%;height:auto;border-radius:10px;
  margin:20px auto;display:block;
}
.yh-page-content h2,.yhh-page-content h3{
  margin-top:28px;margin-bottom:12px;
}

@media(max-width:768px){
  .yh-page-body-inner{padding:30px 22px 36px}
  .yh-page-title{font-size:1.25rem}
}