/* ============================================
   服务支持与下载、FAQ 专属统一样式 (services.css)
============================================ */

/* 设置下载和FAQ页面的浅灰背景，强化卡片立体感 */
body.services-bg {
  background: #f8f9fa;
}

/* ============================================
   服务类通用区块排版
============================================ */
.inner-page-hero {
  position: relative;
  height: 580px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-bottom: 40px;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.inner-page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top,rgba(0,18,54,.92) 0%,rgba(0,35,90,.6) 52%,rgba(0,0,0,.15) 100%);
}
.inner-page-hero .container { position: relative; z-index: 2; }
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; font-size: .88rem; color: rgba(255,255,255,.65); margin-bottom: 18px; }
.breadcrumb-list a { color: rgba(255,255,255,.85); transition: color .2s; }
.breadcrumb-list a:hover { color: #fff; text-decoration: none; }
.breadcrumb-list .sep { margin: 0 7px; opacity: .4; font-size: .78rem; }
.breadcrumb-list .current { color: #fff; font-weight: 600; }
.hero-title { font-size: clamp(2rem,3.5vw,2.8rem); font-weight: 800; color: #fff; margin: 0 0 14px; letter-spacing: .02em; }
.hero-subtitle { font-size: 1.05rem; color: rgba(255,255,255,.8); max-width: 680px; line-height: 1.65; }

/* 纯净版单下划线锚点导航 */
.page-nav-anchor { 
  background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.05); 
  z-index: 998; border-bottom: 1px solid #eee; 
}
.sticky-top { position: sticky; top: 80px; }
.anchor-list { 
  display: flex; align-items: center; justify-content: center; 
  gap: 40px; overflow-x: auto; white-space: nowrap; scrollbar-width: none; 
}
.anchor-list::-webkit-scrollbar { display: none; }
.anchor-item { 
  display: block; padding: 20px 0; font-size: 1.05rem; 
  font-weight: 500; color: #555; border-bottom: 3px solid transparent; 
  transition: var(--transition); cursor: pointer; outline: none;
}
.anchor-item:hover { color: var(--primary); text-decoration: none;}
.anchor-item.active { color: var(--primary); font-weight: 700; border-bottom-color: var(--primary); }

.service-section { padding: 80px 0; }
.bg-white   { background: #fff; }
.bg-light   { background: var(--bg-light); }

.section-eyebrow {
  font-family: var(--font-en); font-size: .85rem; font-weight: 700;
  letter-spacing: .16em; color: var(--primary); text-transform: uppercase;
  margin-bottom: 10px; opacity: .75;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 700;
  color: var(--text-dark); letter-spacing: 0.05em;
  position: relative; display: inline-block; margin-bottom: 14px;
}
.section-title::after {
  content: ''; display: block; width: 58px; height: 4px;
  background: var(--primary); margin: 14px auto 0; border-radius: 2px;
}
.section-title.left::after { margin-left: 0; }
.section-subtitle { 
  font-size: 1.1rem; color: var(--text-muted); 
  letter-spacing: 0.02em; max-width: 660px; margin: 0 auto; line-height: 1.65;
}
.section-header-center { text-align: center; margin-bottom: 48px; }
.section-header-left  { text-align: left; margin-bottom: 48px; }

/* 统一入场动画 */
.fu { opacity: 0; transform: translateY(20px); transition: opacity .5s ease,transform .5s ease; }
.fu.in { opacity: 1; transform: translateY(0); }


/* ============================================
   组件：服务承诺 (service.html)
============================================ */
#service-promise.service-section { padding: 80px 0 72px; }
.promise-layout { display: flex; gap: 40px; align-items: stretch; margin-bottom: 40px; }
.promise-image-col { flex: 0 0 45%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); position: relative; }
.promise-image-col img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.promise-image-col:hover img { transform: scale(1.03); }
.promise-content-col { flex: 1; display: flex; flex-direction: column; justify-content: center;}

.promise-hotline { background: linear-gradient(135deg,var(--primary) 0%,#0060c8 100%); border-radius: var(--radius); padding: 32px 40px; display: flex; align-items: center; gap: 30px; position: relative; overflow: hidden; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.promise-hotline::before { content: ''; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px; background: rgba(255,255,255,.06); border-radius: 50%; }
.ph-icon { flex-shrink: 0; width: 64px; height: 64px; background: rgba(255,255,255,.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: #fff; position: relative; z-index: 1; }
.ph-info { flex: 1; position: relative; z-index: 1; }
.ph-info h3 { font-size: 1.15rem; font-weight: 800; color: #fff; margin-bottom: 6px; }
.ph-info p  { font-size: .9rem; color: rgba(255,255,255,.8); margin: 0; line-height: 1.6; }
.ph-number { flex-shrink: 0; position: relative; z-index: 1; text-align: right; }
.ph-number .num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: #fff; line-height: 1; display: block; margin-bottom: 6px; }
.ph-number .sub { font-size: .82rem; color: rgba(255,255,255,.7); }

.promise-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.promise-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); padding: 24px; text-align: left; transition: var(--transition); position: relative; overflow: hidden; display: flex; align-items: flex-start; gap: 16px; }
.promise-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .4s ease; }
.promise-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(0,71,157,.15); }
.promise-card:hover::before { transform: scaleX(1); }
.promise-card .pc-icon { width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0; background: #eef4ff; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; transition: var(--transition); }
.promise-card:hover .pc-icon { background: var(--primary); color: #fff; transform: scale(1.06); }
.promise-card .pc-text h3 { font-size: 1rem; font-weight: 800; color: var(--text-dark); margin-bottom: 8px; }
.promise-card .pc-text p  { font-size: .85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

.warranty-bar { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); padding: 32px 40px; margin-top: 10px; }
.warranty-bar h4 { font-size: 1rem; font-weight: 800; color: var(--text-dark); margin-bottom: 24px; }
.warranty-timeline { display: flex; align-items: flex-start; position: relative; padding-top: 32px; }
.warranty-timeline::before { content: ''; position: absolute; top: 16px; left: calc(100%/12); right: calc(100%/12); height: 2px; background: linear-gradient(to right,var(--primary),var(--accent-green)); }
.wt-node { flex: 1; text-align: center; position: relative; padding: 0 6px; }
.wt-dot { width: 16px; height: 16px; background: var(--primary); border-radius: 50%; margin: 0 auto 14px; border: 3px solid #fff; box-shadow: 0 0 0 3px var(--primary); position: relative; z-index: 1; }
.wt-node:last-child .wt-dot { background: var(--accent-green); box-shadow: 0 0 0 3px var(--accent-green); }
.wt-label { font-size: .78rem; font-weight: 700; color: var(--primary); margin-bottom: 5px; }
.wt-desc  { font-size: .76rem; color: var(--text-muted); line-height: 1.5; }
.wt-node:last-child .wt-label { color: var(--accent-green); }


/* ============================================
   组件：定制开发服务 (service.html)
============================================ */
#custom-dev.service-section { padding: 80px 0; }
.custom-layout { display: flex; gap: 52px; align-items: center; }
.custom-left  { flex: 1; min-width: 0; }
.custom-right { flex: 0 0 45%; }
.capability-flow { display: flex; flex-direction: column; gap: 16px; }
.cap-item { display: flex; align-items: flex-start; gap: 16px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); padding: 20px 22px; transition: var(--transition); }
.cap-item:hover { border-color: rgba(0,71,157,.2); box-shadow: var(--shadow-md); transform: translateX(4px); }
.cap-icon { flex-shrink: 0; width: 46px; height: 46px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.15rem; transition: var(--transition); }
.cap-item:hover .cap-icon { transform: scale(1.08); }
.cap-text h4 { font-size: .98rem; font-weight: 800; color: var(--text-dark); margin-bottom: 5px; }
.cap-text p  { font-size: .88rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

.process-card { background: linear-gradient(135deg,var(--primary) 0%,#0060c8 100%); border-radius: var(--radius); padding: 36px 32px; position: relative; overflow: hidden; box-shadow: var(--shadow-md); margin-top: 24px; }
.process-card::before { content: ''; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px; background: rgba(255,255,255,.06); border-radius: 50%; }
.process-card h4 { font-size: 1.05rem; font-weight: 800; color: #fff; margin-bottom: 24px; position: relative; z-index: 1; }
.process-steps { display: flex; flex-direction: column; gap: 0; position: relative; z-index: 1; }
.ps-item { display: flex; align-items: center; gap: 14px; padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.ps-item:last-child { border-bottom: none; }
.ps-num { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,.15); color: #fff; display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 800; font-family: var(--font-display); }
.ps-text strong { display: block; font-size: .9rem; color: #fff; margin-bottom: 2px; }
.ps-text span   { font-size: .8rem; color: rgba(255,255,255,.7); }
.custom-img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-sm); object-fit: cover; height: 260px; }


/* ============================================
   组件：资源下载区 (download.html)
============================================ */
.dl-tabs { display: flex; justify-content: flex-start; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; border-bottom: 1px solid #eaedf2; padding-bottom: 16px; }
.dl-tab { display: inline-flex; align-items: center; gap: 8px; padding: 8px 24px; background: transparent; border: none; color: var(--text-muted); font-size: 1.05rem; font-weight: 600; border-radius: 30px; cursor: pointer; transition: var(--transition); outline: none; }
.dl-tab:hover { color: var(--primary); background: #EEF5FF; }
.dl-tab.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(0,71,157,.2); }

.dl-table-wrap { width: 100%; overflow-x: auto; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 0; margin-bottom: 50px; border: 1px solid rgba(0,0,0,0.05); }
.dl-table { width: 100%; border-collapse: collapse; text-align: left; min-width: 800px; }
.dl-table th { padding: 18px 24px; font-weight: 700; color: var(--text-dark); border-bottom: 2px solid #eaedf2; background: #fafbff; font-size: .95rem; white-space: nowrap; }
.dl-table td { padding: 20px 24px; border-bottom: 1px solid #eaedf2; color: var(--text-muted); font-size: .95rem; vertical-align: middle; transition: background .2s; }
.dl-table tbody tr { transition: opacity 0.3s ease, transform 0.3s ease; }
.dl-table tbody tr:last-child td { border-bottom: none; }
.dl-table tbody tr:hover td { background: #fdfefe; }

.dl-table .file-name { display: flex; align-items: center; gap: 14px; font-weight: 600; color: var(--text-dark); font-size: 1rem; }
.dl-table .file-icon { font-size: 1.6rem; flex-shrink: 0; }
.dl-table .file-icon.pdf { color: #e1000f; }
.dl-table .file-icon.doc { color: #2b579a; }
.dl-table .file-icon.zip { color: #f2994a; }
.dl-table .file-icon.exe { color: #00a65a; }
.dl-table .file-meta { font-family: var(--font-en); font-weight: 500; color: #777; }

.dl-btn-sm { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--primary); background: #eef4ff; border: 1px solid rgba(0,71,157,.15); padding: 8px 16px; border-radius: 6px; transition: var(--transition); cursor: pointer; outline: none; white-space: nowrap; }
.dl-btn-sm:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }


/* ============================================
   组件：FAQ 常见问题 (faq.html)
============================================ */
.faq-article-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 50px; }
.faq-list-item { display: flex; align-items: center; justify-content: space-between; background: #fff; padding: 24px 32px; border-radius: var(--radius); border: 1px solid rgba(0,0,0,0.05); box-shadow: var(--shadow-sm); transition: var(--transition); cursor: pointer; text-decoration: none !important; }
.faq-list-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(0,71,157,0.15); }
.faq-list-item:hover .faq-title { color: var(--primary); }
.faq-list-item:hover .faq-arrow { transform: translateX(6px); color: var(--primary); }

.faq-info-group { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; }
.faq-title { font-size: 1.15rem; font-weight: 700; color: var(--text-dark); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color 0.3s; }
.faq-meta-group { display: flex; align-items: center; gap: 32px; flex-shrink: 0; margin-left: 20px; }
.faq-date { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; color: #a0a5ab; }
.faq-arrow { font-size: 1.2rem; color: #ccc; transition: var(--transition); }

.pagination-wrap { display: flex; justify-content: center; margin-bottom: 40px; }
.pagination { display: flex; gap: 8px; list-style: none; padding: 0; margin: 0; }
.page-item .page-link { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-sm); background: #fff; border: 1px solid #eaedf2; color: var(--text-muted); font-weight: 600; font-family: var(--font-display); transition: var(--transition); outline: none; }
.page-item .page-link:hover, .page-item.active .page-link { background: var(--primary); color: #fff; border-color: var(--primary); text-decoration: none; }
.page-item.disabled .page-link { color: #ccc; cursor: not-allowed; background: #fafafa; }


/* ============================================
   组件：通用过渡大画幅 Banner
============================================ */
.transition-banner {
  width: 100%; height: 260px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-top: 20px;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.transition-banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,35,90,0.85) 0%, rgba(0,71,157,0.5) 100%);
}
.transition-banner-content { position: relative; z-index: 1; text-align: center; color: #fff; padding: 0 20px; }
.transition-banner-content h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; letter-spacing: 0.05em; text-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.transition-banner-content p { font-size: 1.05rem; opacity: 0.9; max-width: 600px; margin: 0 auto; }

.tb-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--primary);
  padding: 12px 28px; border-radius: 30px;
  font-size: 1rem; font-weight: 700;
  margin-top: 20px;
  transition: var(--transition); outline: none; border: none;
}
.tb-btn:hover { background: #f0f4ff; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0,0,0,0.2); }


/* ============================================
   全局服务类响应式断点
============================================ */
@media(max-width:1199px) {
  .promise-grid { grid-template-columns:1fr; }
  .custom-right { flex:0 0 400px; }
}
@media(max-width:991px) {
  .custom-layout, .promise-layout { flex-direction:column; }
  .custom-right { flex:none; width:100%; }
  .promise-image-col { flex:none; width: 100%; height: 280px; }
  .warranty-timeline { flex-wrap:wrap; }
  .warranty-timeline::before { display:none; }
  .wt-node { flex:0 0 50%; padding:0 8px 20px; }
  .faq-list-item { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px 24px; }
  .faq-meta-group { margin-left: 0; width: 100%; justify-content: space-between; }
}
@media(max-width:767px) {
  .inner-page-hero { height:auto; padding-top:92px; padding-bottom:26px; }
  .hero-title { font-size:1.8rem; }
  .service-section { padding:52px 0; }
  .section-header-center, .section-header-left { margin-bottom: 36px; }
  .promise-hotline { flex-direction:column; text-align:center; gap:20px; padding: 24px; }
  .ph-number { text-align:center; }
  .anchor-list { justify-content: flex-start; padding: 0 16px; gap: 20px; }
  .anchor-item { padding: 12px 0; font-size: 0.95rem; }
  .warranty-bar { padding:24px 20px; }
  .wt-node { flex:0 0 50%; }
  
  .dl-tabs { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; scrollbar-width: none; border-bottom: none; }
  .dl-tab { white-space: nowrap; font-size: 0.95rem; }
  .dl-table-wrap { border-radius: 0; padding: 0; border-left: none; border-right: none; }
  
  .transition-banner { height: auto; border-radius: 0; margin-top: 20px; padding: 40px 0;}
  .transition-banner-content h3 { font-size: 1.4rem; }
  
  .faq-info-group { flex-direction: column; align-items: flex-start; gap: 10px; }
  .faq-title { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.5; font-size: 1.05rem; }
}