/* =========================================================
   喜德利科技 · 销售型官网样式系统
   工业风：主色 #0B4F9E / 强调色 #FF6A00
   ========================================================= */

:root {
  --primary: #0B4F9E;
  --primary-dark: #073A78;
  --primary-light: #E7F0FB;
  --accent: #FF6A00;
  --accent-dark: #E25E00;
  --bg: #F5F7FA;
  --bg-soft: #EEF3F9;
  --text: #1F2A37;
  --muted: #5B6776;
  --line: #DCE3EC;
  --white: #FFFFFF;
  --shadow: 0 8px 28px rgba(11, 79, 158, .10);
  --shadow-sm: 0 4px 14px rgba(11, 79, 158, .08);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { line-height: 1.3; color: var(--primary-dark); font-weight: 700; }

section { padding: 72px 0; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.section-head .eyebrow {
  display: inline-block; color: var(--accent); font-weight: 700;
  letter-spacing: 2px; font-size: 13px; margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700;
  font-size: 15px; cursor: pointer; border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(255,106,0,.30); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---------- 导航（两行结构：LOGO 占两行，上行=菜单+CTA/EN，下行=微信/热线） ---------- */
.header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: var(--shadow-sm); overflow: visible; }
.container.nav {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  grid-template-areas: "logo nav" "logo top";
  align-items: center;
  gap: 10px 36px;
  padding: 12px 20px;
}
.logo { grid-area: logo; align-self: center; display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--primary-dark); font-size: 20px; }
.logo .mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; display: grid; place-items: center; font-size: 20px; font-weight: 900;
}
.logo small { display: block; font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: 1px; }
/* logo 镂空透明版：用户最新提供 2026-07-31 新版绿底白字亮绿 logo
   - 透明背景（PNG alpha=0 透明），不再 multiply 压暗，让亮绿直接显示
   - 导航栏 48px → 144px；页脚 60px → 180px（用户要求 3 倍）
   - 移动端等比放大 */
.logo-img img {
  max-height: 144px; width: auto; display: block;
  /* 亮绿底+白字 logo 直接显示，不做 multiply，避免深蓝背景把亮绿压成深绿 */
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.18));   /* 轻微投影，让 logo 浮在白/深蓝背景上更有层次 */
}
.footer .logo-img img {
  max-height: 200px;                                  /* footer 区域再加大一点，更"亮点突出" */
  filter: drop-shadow(0 3px 10px rgba(0,0,0,.35));    /* footer 深色背景上加深一点的投影，更立体 */
}
@media (max-width: 980px) {
  .logo-img img { max-height: 100px; }
  .footer .logo-img img { max-height: 168px; }
}
@media (max-width: 640px) {
  .logo-img img { max-height: 80px; }
  .footer .logo-img img { max-height: 168px; }
}

/* 上行：导航菜单 + 立即定制 + EN + 汉堡菜单 */
.header-nav { grid-area: nav; display: flex; justify-content: flex-end; align-items: center; gap: 28px; }
.header-top { grid-area: top; display: flex; justify-content: flex-end; align-items: center; gap: 24px; }
.header-wx { position: relative; display: inline-flex; align-items: center; gap: 6px; color: #07C160; font-size: 15px; font-weight: 700; cursor: pointer; white-space: nowrap; }
.header-wx .wx-icon { width: 22px; height: 22px; display: block; }
.header-wx .wx-label { color: #07C160; }
.header-qr-pop { position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px); width: 180px; padding: 12px; background: #fff; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.15); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; z-index: 100; text-align: center; color: var(--text); }
.header-qr-pop::before { content: ""; position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); border: 8px solid transparent; border-bottom-color: #fff; }
.header-qr-pop img { width: 100%; height: auto; border-radius: 8px; display: block; }
.header-qr-pop p { margin: 8px 0 0; font-size: 12px; color: var(--text); font-weight: 600; }
.header-wx:hover .header-qr-pop { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }

.header-hotline { display: flex; align-items: center; font-size: 15px; font-weight: 700; color: var(--text); white-space: nowrap; }
.header-hotline a { color: var(--primary); }
.header-hotline a:hover { color: var(--accent); }

.header-cta { display: flex; align-items: center; gap: 14px; flex-wrap: nowrap; white-space: nowrap; }
.header-cta .btn { white-space: nowrap; font-size: 15px; padding: 11px 22px; }
.lang-btn { font-weight: 700; color: var(--primary); font-size: 15px; }
.lang-btn:hover { color: var(--accent); }
.menu-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--primary); cursor: pointer; }

/* 下行：微信 + 免费咨询热线 */
.nav-links { display: flex; justify-content: flex-end; gap: 28px; align-items: center; flex-wrap: nowrap; white-space: nowrap; }
.nav-links a { font-weight: 600; color: var(--text); position: relative; padding: 6px 0; white-space: nowrap; font-size: 17px; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 0;
  background: var(--accent); border-radius: 3px; transition: width .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* 浮动微信 / QQ 按钮二维码（左侧弹出，向右箭头指向按钮） */
.float-bar a.fb-wx, .float-bar a.fb-qq { position: relative; color: #fff; }
.float-bar a.fb-wx:hover, .float-bar a.fb-qq:hover { transform: none; }
.float-bar a.fb-wx:hover .fb-wx-icon { transform: scale(1.08); }
.fb-wx-icon, .fb-qq-icon { width: 28px; height: 28px; display: block; }
.float-qr-pop { position: absolute; right: calc(100% + 14px); bottom: 0; width: 180px; padding: 12px; background: #fff; border-radius: 12px; box-shadow: 0 8px 28px rgba(0,0,0,.18); opacity: 0; pointer-events: none; transition: opacity .2s ease; z-index: 70; text-align: center; color: var(--text); }
.float-qr-pop::before { content: ""; position: absolute; left: 100%; bottom: 18px; border: 8px solid transparent; border-left-color: #fff; }
.float-qr-pop img { width: 100%; height: auto; border-radius: 8px; display: block; }
.float-qr-pop p { margin: 8px 0 0; font-size: 12px; color: var(--text); font-weight: 600; }
.float-bar a.fb-wx:hover .float-qr-pop,
.float-bar a.fb-qq:hover .float-qr-pop { opacity: 1; pointer-events: auto; }


/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 760px;
  display: flex; flex-direction: column;   /* 容器撑满 hero 高度，卡片贴底不再受文字长短影响 */
  background:
    radial-gradient(circle at 85% 20%, rgba(255,106,0,.18), transparent 45%),
    linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px; opacity: .5;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 1fr; gap: 40px; align-items: stretch; padding: 70px 20px 0; flex: 1; }
.hero-text { align-self: center; }
.hero h1 { color: #fff; font-size: 44px; line-height: 1.25; margin-bottom: 18px; }
.hero h1 .hl { color: #FFC08A; }
.hero p.lead { font-size: 18px; color: #dbe8fa; margin-bottom: 30px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-badges span {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  backdrop-filter: blur(4px);
}
.hero-card {
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22);
  border-radius: 18px; padding: 22px; backdrop-filter: blur(8px);
  align-self: end;            /* 贴住容器底部 → 落到 hero 最底端，盖住图中下方电动自行车 */
  margin-bottom: 0;
  position: relative;
}
.hero-card h3 { color: #fff; font-size: 18px; margin-bottom: 16px; }
.hero-card .row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid rgba(255,255,255,.15); }
.hero-card .row:first-of-type { border-top: none; }
.hero-card .ic { width: 38px; height: 38px; border-radius: 9px; background: rgba(255,255,255,.16); display: grid; place-items: center; font-size: 18px; }
.hero-card .row b { display: block; font-size: 14px; }
.hero-card .row small { color: #cfe0f5; font-size: 12px; }

/* ---------- 信任条 ---------- */
.trustbar { background: #fff; border-bottom: 1px solid var(--line); }
.trustbar .container { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; padding: 22px 20px; }
.trustbar .item { display: flex; align-items: center; gap: 10px; color: var(--muted); font-weight: 600; font-size: 14px; }
.trustbar .item .dot { width: 30px; height: 30px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; font-weight: 800; }

/* ---------- 卡片网格 ---------- */
.bg-soft { background: var(--bg-soft); }
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--primary); }
.feature-card .ic {
  width: 52px; height: 52px; border-radius: 13px; background: var(--primary-light);
  color: var(--primary); display: grid; place-items: center; font-size: 24px; margin-bottom: 16px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 产品品类入口 ---------- */
.cat-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; overflow: hidden; transition: transform .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.cat-card .tag { position: absolute; top: 16px; right: 16px; background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.cat-card .ic { width: 54px; height: 54px; border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; display: grid; place-items: center; font-size: 26px; margin-bottom: 16px; }
.cat-card h3 { font-size: 19px; margin-bottom: 8px; }
.cat-card p { color: var(--muted); font-size: 14px; flex: 1; }
.cat-card .models { font-size: 12.5px; color: var(--primary); background: var(--primary-light); padding: 8px 12px; border-radius: 8px; margin: 14px 0; font-weight: 600; word-break: break-all; }
.cat-card .more { font-weight: 700; color: var(--accent); font-size: 14px; }
.cat-card .more::after { content: " →"; }

/* ---------- 定制 CTA 大块 ---------- */
.custom-cta {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  border-radius: 22px; padding: 50px; color: #fff; position: relative; overflow: hidden;
}
.custom-cta::after {
  content: ""; position: absolute; right: -40px; top: -40px; width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(255,106,0,.35), transparent 70%);
}
.custom-cta .inner { position: relative; display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; align-items: center; }
.custom-cta h2 { color: #fff; font-size: 30px; margin-bottom: 14px; }
.custom-cta p { color: #dbe8fa; margin-bottom: 22px; }
.custom-cta .steps { display: flex; flex-direction: column; gap: 14px; }
.custom-cta .steps .s { display: flex; gap: 12px; align-items: flex-start; }
.custom-cta .steps .num { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; display: grid; place-items: center; }
.custom-cta .steps b { color: #fff; }
.custom-cta .steps small { color: #cfe0f5; display: block; }

/* ---------- 行业 ---------- */
.industry-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; text-align: center; transition: transform .18s ease, box-shadow .18s ease;
}
.industry-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.industry-card .ic { font-size: 34px; margin-bottom: 12px; }
.industry-card h3 { font-size: 17px; margin-bottom: 6px; }
.industry-card p { color: var(--muted); font-size: 13.5px; }

/* ---------- 资质 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.cert {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px; text-align: center;
}
.cert .seal { width: 60px; height: 60px; margin: 0 auto 12px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; font-size: 26px; font-weight: 800; }
.cert h4 { font-size: 15px; margin-bottom: 4px; color: var(--text); }
.cert small { color: var(--muted); font-size: 12.5px; }

/* ---------- 案例 ---------- */
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.case .quote { font-size: 15px; color: var(--text); margin-bottom: 16px; }
.case .who { display: flex; align-items: center; gap: 12px; }
.case .avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg,var(--primary),var(--accent)); color: #fff; display: grid; place-items: center; font-weight: 800; }
.case .who b { font-size: 14px; }
.case .who small { color: var(--muted); display: block; font-size: 12.5px; }

/* ---------- 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat .n { font-size: 40px; font-weight: 900; color: var(--primary); line-height: 1; }
.stat .l { color: var(--muted); font-size: 14px; margin-top: 8px; }

/* ---------- 搜索框 ---------- */
.search-wrap { max-width: 620px; margin: 0 auto; }
.search-box {
  display: flex; background: #fff; border: 2px solid var(--primary); border-radius: 999px;
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.search-box input { flex: 1; border: none; outline: none; padding: 14px 20px; font-size: 15px; }
.search-box button { background: var(--primary); color: #fff; border: none; padding: 0 26px; font-weight: 700; cursor: pointer; font-size: 15px; }
.search-hint { text-align: center; color: var(--muted); font-size: 13px; margin-top: 12px; }
.search-hint a { color: var(--primary); font-weight: 600; }

/* ---------- 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; margin-bottom: 7px; font-size: 14px; }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 14px; font-size: 15px; font-family: inherit; outline: none; transition: border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

/* ---------- 联系信息块 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-item {
  display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 18px 20px;
}
.contact-item .ic { flex: none; width: 46px; height: 46px; border-radius: 12px; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; font-size: 22px; }
.contact-item b { display: block; font-size: 15px; }
.contact-item a, .contact-item span { color: var(--primary); font-weight: 700; font-size: 15px; }
.contact-item small { color: var(--muted); display: block; font-weight: 400; }

/* ---------- 面包屑 ---------- */
.breadcrumb { background: #fff; border-bottom: 1px solid var(--line); font-size: 13.5px; padding: 14px 0; color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; color: var(--line); }

/* ---------- 页脚 ---------- */
.footer { background: var(--primary-dark); color: #cfe0f5; padding: 56px 0 24px; }
.footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 30px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer a { color: #cfe0f5; display: block; padding: 5px 0; font-size: 14px; }
.footer a:hover { color: #fff; }
.footer p { font-size: 14px; margin-bottom: 8px; }
.footer .logo { color: #fff; margin-bottom: 14px; }
.footer .bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 36px; padding-top: 18px; text-align: center; font-size: 13px; color: #9fb6d6; }
.footer .social a { display: inline-block; margin-right: 10px; }

/* ---------- 浮动联系浮窗 ---------- */
.float-bar {
  position: fixed; right: 22px; bottom: 26px; z-index: 60;
  display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.float-bar a, .float-bar button {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-size: 22px; box-shadow: 0 6px 18px rgba(0,0,0,.22);
  cursor: pointer; border: none; transition: transform .15s ease;
}
.float-bar a:hover, .float-bar button:hover { transform: scale(1.08); }
.fb-qq { background: #12B7F5; }
.fb-wx { background: #1AAD19; }
.fb-mail { background: var(--primary); }
.fb-tel { background: var(--accent); }
.fb-top { background: #607089; font-size: 18px; }
.float-tip {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
  background: #fff; color: var(--text); padding: 6px 12px; border-radius: 8px;
  font-size: 13px; white-space: nowrap; box-shadow: var(--shadow-sm); opacity: 0;
  pointer-events: none; transition: opacity .15s ease; font-weight: 600;
}
.float-bar a:hover .float-tip, .float-bar button:hover .float-tip { opacity: 1; }

/* ---------- 微信弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,30,50,.55); z-index: 80;
  display: none; place-items: center; padding: 20px;
}
.modal-mask.show { display: grid; }
.modal {
  background: #fff; border-radius: 16px; max-width: 360px; width: 100%; padding: 28px; text-align: center;
}
.modal h3 { margin-bottom: 14px; }
.modal .qr {
  width: 220px; height: 220px; margin: 0 auto 14px; border-radius: 12px;
  background: repeating-conic-gradient(#0B4F9E 0% 25%, #fff 0% 50%) 50% / 22px 22px;
  display: grid; place-items: center; color: #fff; font-weight: 700;
  overflow: hidden; padding: 0; box-shadow: 0 4px 18px rgba(11,79,158,.18);
}
.modal .qr img { width: 100%; height: 100%; object-fit: contain; display: block; background: #fff; }
.modal .wxid, .modal .qqid { font-weight: 800; color: var(--primary); font-size: 18px; }
.modal .close { margin-top: 16px; }

/* ---------- AI 询价智能体 ---------- */
.ai-chat {
  position: fixed; right: 92px; bottom: 24px; width: 384px; max-width: calc(100vw - 24px);
  height: 560px; max-height: calc(100vh - 48px);
  background: #fff; border-radius: 16px; overflow: hidden; z-index: 90;
  display: flex; flex-direction: column;
  box-shadow: 0 16px 48px rgba(11,43,30,.28);
  transform: translateY(24px) scale(.98); opacity: 0; pointer-events: none;
  transition: transform .25s ease, opacity .25s ease;
}
.ai-chat.show { transform: none; opacity: 1; pointer-events: auto; }
.ai-chat__head {
  background: linear-gradient(135deg, #0B5E34, #16A34A); color: #fff;
  padding: 14px 16px; display: flex; align-items: center; gap: 10px;
}
.ai-chat__avatar {
  width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.18);
  display: grid; place-items: center; font-size: 20px; flex: none;
}
.ai-chat__title { font-weight: 700; font-size: 15px; line-height: 1.2; }
.ai-chat__sub { font-size: 12px; opacity: .88; }
.ai-chat__close {
  margin-left: auto; width: 30px; height: 30px; border: 0; border-radius: 8px;
  background: rgba(255,255,255,.16); color: #fff; font-size: 18px; cursor: pointer; line-height: 1;
}
.ai-chat__close:hover { background: rgba(255,255,255,.3); }
.ai-chat__msgs {
  flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px;
  background: #F4F8F5;
}
.ai-msg {
  max-width: 86%; padding: 10px 13px; border-radius: 12px; font-size: 14px; line-height: 1.65;
  word-break: break-word; white-space: pre-wrap;
}
.ai-msg.ai {
  align-self: flex-start; background: #fff; color: #1F2A24;
  border: 1px solid #E2EBE5; border-bottom-left-radius: 4px;
}
.ai-msg.me {
  align-self: flex-end; background: #16A34A; color: #fff; border-bottom-right-radius: 4px;
}
.ai-chat__input { display: flex; gap: 8px; padding: 12px; border-top: 1px solid #E8EFEA; background: #fff; }
.ai-chat__input textarea {
  flex: 1; resize: none; border: 1px solid #D6E2DB; border-radius: 10px; padding: 10px 12px;
  font-size: 14px; font-family: inherit; line-height: 1.4; height: 44px; max-height: 120px; outline: none;
}
.ai-chat__input textarea:focus { border-color: #16A34A; }
.ai-chat__send {
  background: #16A34A; color: #fff; border: 0; border-radius: 10px; padding: 0 18px;
  font-weight: 700; cursor: pointer; font-size: 14px;
}
.ai-chat__send:disabled { opacity: .55; cursor: default; }
.ai-typing span {
  display: inline-block; width: 6px; height: 6px; margin: 0 1px; background: #9BB3A8;
  border-radius: 50%; animation: aiBlink 1s infinite;
}
.ai-typing span:nth-child(2) { animation-delay: .2s; }
.ai-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes aiBlink { 0%,60%,100% { opacity: .3; } 30% { opacity: 1; } }
@media (max-width: 560px) {
  .ai-chat { right: 12px; left: 12px; width: auto; bottom: 12px; height: 76vh; }
}

/* ---------- 提示条 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px);
  background: var(--primary-dark); color: #fff; padding: 12px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600; opacity: 0; transition: all .25s ease; z-index: 90; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 大屏幕下若空间仍紧，压缩导航间距 */
@media (max-width: 1200px) {
  .container.nav { gap: 8px 22px; }
  .header-top { gap: 16px; }
  .nav-links { gap: 18px; }
  .header-cta { gap: 10px; }
  .header-hotline { font-size: 14px; }
}

@media (max-width: 980px) {
  .container.nav {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas: "logo" "nav" "top";
    gap: 10px 0;
    padding: 10px 16px;
  }
  .logo { justify-self: start; }
  .nav-links { justify-content: center; gap: 16px; flex-wrap: wrap; }
  .header-top { justify-content: center; gap: 14px; }
  .header-hotline { display: none; }
  .header-wx .wx-label { display: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
  .cert-grid { grid-template-columns: repeat(2,1fr); }
  .custom-cta .inner { grid-template-columns: 1fr; }
  .contact-grid, .form-row { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .container.nav { grid-template-columns: auto 1fr; grid-template-rows: auto; grid-template-areas: "logo nav"; gap: 10px 12px; padding: 8px 16px; }
  .header-nav { justify-content: flex-end; }
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 20px; gap: 14px; box-shadow: var(--shadow); z-index: 50; }
  .header-top { display: none; }
  .header-hotline { display: none; }
  .header-wx .wx-label { display: none; }
  .header-cta .btn { font-size: 14px; padding: 9px 14px; }
  .hero h1 { font-size: 32px; }
  .section-head h2 { font-size: 26px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .custom-cta { padding: 32px 22px; }
  section { padding: 52px 0; }
}

/* ===== 关于我们：品牌标识 + 工厂实拍 ===== */
.brand-row { display: flex; flex-direction: column; align-items: center; gap: 8px; margin: 4px 0 28px; }
.brand-logo { height: 198px; width: auto; }
.brand-cap { font-size: 13px; color: var(--muted); letter-spacing: .3px; }
.factory-fig { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 6px 18px rgba(11,79,158,.06); transition: transform .25s ease, box-shadow .25s ease; }
.factory-fig:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(11,79,158,.14); }
.factory-fig img { width: 100%; height: 200px; object-fit: cover; display: block; }
.factory-fig figcaption { padding: 11px 14px; font-size: 14px; font-weight: 600; color: var(--primary-dark); }

/* ---------- 首页 Hero 工厂实景图背景（仅 index.html） ---------- */
.hero--photo {
  background:
    linear-gradient(120deg, rgba(8,46,94,.78), rgba(11,79,158,.55)),
    url('../assets/products/factory-hero.jpg') center/cover no-repeat;
  background-blend-mode: normal;
}
.hero--photo::before { opacity: 0; } /* 关掉网格线以看清背景图 */

/* 中文版 hero 整体下压：仅中文版把卡片再往底部落，避免遮挡右侧“喜德利科技”竖牌；英文版保持 760px 不变 */
html[data-lang="zh"] .hero--photo { min-height: 850px; }

/* ---------- 规格实拍 · 认证与检测图集 ---------- */
.spec-gallery-section { padding: 60px 0; background: linear-gradient(180deg, #ffffff, #f5f9ff); }
.spec-gallery-section .section-head { margin-bottom: 26px; }
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.spec-card { background: #fff; border: 1px solid #e6ecf5; border-radius: 12px; overflow: hidden; cursor: pointer; transition: .2s; box-shadow: 0 2px 10px rgba(11,79,158,.06); }
.spec-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(11,79,158,.16); border-color: var(--primary); }
.spec-card img { width: 100%; height: 172px; object-fit: cover; display: block; background: #eef2f8; }
.spec-card .cap { padding: 10px 12px; font-size: 13px; color: #2b3a4d; font-weight: 600; line-height: 1.4; }
.spec-card .cap small { display: block; font-weight: 400; color: #8a97a8; font-size: 11px; margin-top: 3px; }
/* 灯箱 */
.spec-lightbox { position: fixed; inset: 0; background: rgba(8,20,40,.88); display: none; align-items: center; justify-content: center; z-index: 9999; padding: 24px; }
.spec-lightbox.open { display: flex; }
.spec-lightbox img { max-width: 92vw; max-height: 80vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.5); background: #fff; }
.spec-lightbox .lb-cap { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: #fff; text-align: center; font-size: 14px; max-width: 90vw; padding: 0 16px; }
.spec-lightbox .lb-close { position: absolute; top: 16px; right: 24px; color: #fff; font-size: 32px; cursor: pointer; line-height: 1; }

/* ---------- 定制说明表下载卡片（custom.html） ---------- */
.dl-spec-card {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px;
  background: linear-gradient(120deg, #fff7ec, #fff);
  border: 1px solid #ffd7a8; border-left: 5px solid var(--accent);
  border-radius: 14px; padding: 18px 22px; margin: 4px 0 22px;
  box-shadow: 0 4px 14px rgba(255,138,0,.08);
}
.dl-spec-card .dl-ic { flex: none; width: 52px; height: 52px; border-radius: 12px; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 24px; }
.dl-spec-card .dl-text { flex: 1 1 320px; }
.dl-spec-card .dl-text b { display: block; font-size: 15.5px; color: var(--text); margin-bottom: 4px; }
.dl-spec-card .dl-text small { color: var(--muted); font-size: 13px; }
.dl-spec-card .dl-btn { flex: none; }

/* ---------- 公司地址卡片（about / contact） ---------- */
.addr-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 18px; box-shadow: var(--shadow-sm);
  display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start;
}
.addr-card .addr-ic { flex: none; width: 44px; height: 44px; border-radius: 11px; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; font-size: 22px; }
.addr-card h4 { font-size: 16px; margin: 0 0 4px; color: var(--primary-dark); }
.addr-card p { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0; }
.addr-card .addr-tag { display: inline-block; font-size: 11px; background: var(--primary); color: #fff; padding: 2px 8px; border-radius: 999px; margin-bottom: 6px; font-weight: 600; letter-spacing: .3px; }

/* ---------- 页脚地址列 ---------- */
.footer-addr { font-size: 12.5px; line-height: 1.7; color: #cfdcef; }
.footer-addr b { color: #fff; display: block; margin-bottom: 2px; font-size: 13px; }
.footer-addr p { margin: 0 0 6px; }

/* ========================================================
   新闻资讯 / News  (news.html 列表 + article.html 详情)
   ======================================================== */
.page-hero {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff; padding: 56px 0 48px;
}
.page-hero .eyebrow { color: #bcd4f3; letter-spacing: 2px; font-size: 13px; font-weight: 700; }
.page-hero h1 { color: #fff; font-size: 32px; margin: 10px 0 12px; }
.page-hero p { color: #dce8f7; max-width: 720px; line-height: 1.7; margin: 0; }

.news-search { margin: 28px 0 8px; }
.news-search .search-box { max-width: 560px; }

.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 6px; }
.tag-pill {
  display: inline-block; font-size: 13px; padding: 6px 14px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--primary); cursor: pointer;
  transition: all .15s; text-decoration: none;
}
.tag-pill:hover { border-color: var(--primary); }
.tag-pill.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
@media (max-width: 900px){ .news-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .news-grid { grid-template-columns: 1fr; } }

.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s; text-decoration: none; color: inherit;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-card .n-cover { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--primary-light); }
.news-card .n-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.news-card .n-tag {
  align-self: flex-start; font-size: 11px; background: var(--primary-light); color: var(--primary);
  padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; font-weight: 600;
}
.news-card h3 { font-size: 17px; line-height: 1.45; margin: 0 0 8px; color: var(--text); min-height: 48px; }
.news-card p { color: var(--muted); font-size: 13.5px; line-height: 1.65; margin: 0 0 14px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .n-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--muted); }
.news-card .read { color: var(--primary); font-weight: 600; }
.news-card:hover .read { text-decoration: underline; }

.btn-load { display: block; margin: 34px auto 0; }

.news-empty { text-align: center; color: var(--muted); padding: 50px 0; font-size: 15px; }

/* ---------- 文章详情 ---------- */
.article-wrap { max-width: 820px; margin: 0 auto; }
.article-back { display: inline-block; margin: 26px 0 8px; color: var(--primary); font-weight: 600; text-decoration: none; }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 22px; margin-bottom: 26px; }
.article-head h1 { font-size: 28px; line-height: 1.4; margin: 14px 0 14px; color: var(--text); }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13.5px; color: var(--muted); }
.article-meta .m-item b { color: var(--primary); font-weight: 600; }
.article-cover { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius); margin-bottom: 26px; background: var(--primary-light); }

.article-body { font-size: 16px; line-height: 1.95; color: #2b2b2b; }
.article-body h2 { font-size: 21px; margin: 34px 0 14px; color: var(--primary-dark); line-height: 1.45; }
.article-body h3 { font-size: 18px; margin: 26px 0 12px; color: var(--primary-dark); }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  margin: 22px 0; padding: 14px 18px; background: var(--bg-soft); border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0; color: var(--muted); font-style: italic;
}
.article-body table {
  width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14.5px; background: #fff;
  box-shadow: var(--shadow-sm); border-radius: 8px; overflow: hidden;
}
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.article-body th { background: var(--primary-light); color: var(--primary-dark); font-weight: 700; }
.article-body strong, .article-body b { color: var(--text); }

.news-note {
  margin: 26px 0; padding: 12px 16px; background: #fff8ec; border: 1px solid #ffe0ad;
  border-radius: 10px; color: #9a6a16; font-size: 14px;
}
.article-side-cta {
  margin: 34px 0; padding: 22px 24px; background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius); color: #fff; display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 16px;
}
.article-side-cta h4 { color: #fff; margin: 0 0 4px; font-size: 18px; }
.article-side-cta p { color: #dce8f7; margin: 0; font-size: 14px; }
.article-side-cta .btn { background: #fff; color: var(--primary-dark); }

.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 18px; }
@media (max-width: 700px){ .related-grid { grid-template-columns: 1fr; } }
.related-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; text-decoration: none; color: inherit; transition: all .15s; }
.related-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.related-card .rc-tag { font-size: 11px; color: var(--primary); background: var(--primary-light); padding: 2px 9px; border-radius: 999px; }
.related-card h4 { font-size: 15px; margin: 10px 0 6px; line-height: 1.45; color: var(--text); }
.related-card .rc-date { font-size: 12px; color: var(--muted); }

/* ===== 新闻列表页 hero / 标签 / CTA ===== */
.news-hero { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); color: #fff; padding: 56px 0 40px; }
.news-hero .eyebrow { color: rgba(255,255,255,.75); letter-spacing: 2px; font-size: 13px; font-weight: 700; }
.news-hero h1 { color: #fff; font-size: 32px; margin: 10px 0 12px; line-height: 1.35; }
.news-hero p { color: rgba(255,255,255,.85); max-width: 640px; font-size: 15.5px; line-height: 1.7; }
.news-hero .search-wrap { margin-top: 24px; }
.news-hero .search-box button { background: #fff; color: var(--primary-dark); }
.news-hero .search-box button:hover { background: #eef4fb; }

.news-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.news-tags .chip { border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.08); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; transition: all .15s; }
.news-tags .chip:hover { background: rgba(255,255,255,.18); }
.news-tags .chip.active { background: #fff; color: var(--primary-dark); border-color: #fff; font-weight: 600; }

.news-cta-band { background: var(--bg); padding: 54px 0; margin-top: 30px; border-top: 1px solid var(--line); }
.news-cta-band .section-head h2 { color: var(--text); }
.news-cta-band .section-head p { color: var(--muted); }
.news-cta-band .btn { margin-top: 6px; }

.en-note { background: var(--primary-light); border-left: 4px solid var(--primary); padding: 10px 14px; border-radius: 6px; color: var(--primary-dark); font-size: 14px; margin: 0 0 22px; }

/* ---------- FAQ 常见问题栏目（手风琴 + 滚动条 + 自动循环） ---------- */
.faq-section { padding: 64px 0 72px; background:
  radial-gradient(1200px 380px at 8% 0%, rgba(11,79,158,.06), transparent 70%),
  radial-gradient(900px 320px at 100% 100%, rgba(245,158,11,.08), transparent 70%),
  #f7faff; border-top: 1px solid #e8eef6; border-bottom: 1px solid #e8eef6; }
.faq-section .section-head { text-align: center; margin-bottom: 18px; }
.faq-section .section-head h2 { font-size: 30px; margin: 0 0 8px; }
.faq-section .section-head p { color: var(--muted); margin: 0; }
.faq-section .faq-eyebrow { display: inline-block; font-size: 12px; letter-spacing: 2px; color: var(--primary); background: rgba(11,79,158,.08); padding: 4px 12px; border-radius: 999px; margin-bottom: 10px; text-transform: uppercase; }
.faq-marquee {
  position: relative; overflow: hidden; height: 38px; line-height: 38px;
  background: linear-gradient(90deg, rgba(11,79,158,.95), rgba(8,46,94,.92));
  color: #fff; border-radius: 10px; margin: 16px auto 26px; max-width: 100%;
  box-shadow: 0 6px 18px rgba(8,46,94,.18);
}
.faq-marquee::before, .faq-marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 56px; pointer-events: none; z-index: 2;
}
.faq-marquee::before { left: 0; background: linear-gradient(90deg, rgba(8,46,94,.95), transparent); }
.faq-marquee::after  { right: 0; background: linear-gradient(270deg, rgba(8,46,94,.95), transparent); }
.faq-marquee__track {
  display: inline-block; white-space: nowrap; padding-left: 100%;
  /* 用户要求：滚动速度降到原来的 1/10（36s → 360s） */
  animation: faq-marquee 360s linear infinite;
  font-size: 14px;
}
.faq-marquee__track > .faq-marquee__item {
  display: inline-block; color: #fff; text-decoration: none;
  margin-right: 60px; opacity: .95; cursor: pointer; position: relative;
  padding: 0 4px; border-radius: 4px;
  transition: color .18s, background .18s, opacity .18s;
}
.faq-marquee__track > .faq-marquee__item:hover,
.faq-marquee__track > .faq-marquee__item:focus { color: #ffe39a; background: rgba(255,255,255,.10); opacity: 1; outline: none; }
.faq-marquee__track > .faq-marquee__item::before { content: '•'; margin-right: 14px; color: #f5a623; }
.faq-marquee__track > .faq-marquee__item::after  { content: '  📄'; margin-left: 10px; opacity: .65; font-size: 12px; }
@keyframes faq-marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.faq-marquee:hover .faq-marquee__track { animation-play-state: paused; }

.faq-list { display: grid; grid-template-columns: 1fr; gap: 14px; max-width: 980px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid #e3eaf3; border-radius: 14px;
  box-shadow: 0 2px 6px rgba(8,46,94,.04);
  transition: border-color .2s, box-shadow .2s, transform .2s;
  overflow: hidden;
}
.faq-item.is-active { border-color: rgba(11,79,158,.55); box-shadow: 0 8px 24px rgba(11,79,158,.12); transform: translateY(-1px); }
.faq-item__q {
  display: flex; align-items: center; gap: 14px;
  width: 100%; text-align: left; background: transparent; border: 0;
  padding: 18px 22px; cursor: pointer; color: var(--text);
  font-size: 16px; font-weight: 600; font-family: inherit;
}
.faq-item__q:hover { color: var(--primary); }
.faq-item__q:focus { outline: 2px solid rgba(11,79,158,.4); outline-offset: -2px; }
.faq-item__tag {
  flex: 0 0 auto; font-size: 12px; line-height: 1;
  background: rgba(245,158,11,.12); color: #b25e00;
  padding: 6px 10px; border-radius: 6px; font-weight: 600;
}
.faq-item__q-text { flex: 1 1 auto; min-width: 0; }
.faq-item__icon {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(11,79,158,.08); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 600; transition: transform .2s, background .2s;
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-item__a {
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .25s ease;
  padding: 0 22px; color: var(--text); font-size: 15px; line-height: 1.75;
  background: #fbfdff;
}
.faq-item.is-open .faq-item__a { max-height: 360px; padding: 0 22px 18px; }
.faq-item__a p { margin: 14px 0 8px; }
.faq-item__a-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 6px; padding-top: 12px; border-top: 1px dashed #e3eaf3; }
.faq-item__a-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary); text-decoration: none; font-size: 14px; font-weight: 600;
}
.faq-item__a-link:hover { text-decoration: underline; }
.faq-item__a-link::after { content: '→'; transition: transform .2s; }
.faq-item__a-link:hover::after { transform: translateX(3px); }
.faq-item__a-source { font-size: 12px; color: var(--muted); }
.faq-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 980px; margin: 22px auto 0; flex-wrap: wrap; }
.faq-controls__hint { color: var(--muted); font-size: 13px; }
.faq-controls__btns { display: inline-flex; gap: 8px; }
.faq-controls__btn {
  font: inherit; cursor: pointer; padding: 8px 14px; border-radius: 999px;
  background: #fff; color: var(--primary); border: 1px solid rgba(11,79,158,.35);
  font-size: 13px; transition: background .2s, color .2s;
}
.faq-controls__btn:hover { background: var(--primary); color: #fff; }

/* ========== FAQ 搜索栏 + 状态提示 + 展开更多 ========== */
.faq-search {
  display: flex; align-items: center; gap: 10px; max-width: 720px; margin: 0 auto 12px;
  background: #fff; border: 1.5px solid rgba(11,79,158,.18); border-radius: 999px;
  padding: 6px 16px; box-shadow: 0 2px 8px rgba(8,46,94,.05);
  transition: border-color .18s, box-shadow .18s;
}
.faq-search:focus-within { border-color: var(--primary); box-shadow: 0 4px 14px rgba(8,46,94,.12); }
.faq-search__icon { font-size: 16px; opacity: .7; }
.faq-search__input {
  flex: 1; border: 0; outline: none; background: transparent; padding: 10px 0;
  font-size: 15px; color: var(--text); font-family: inherit;
}
.faq-search__input::-webkit-search-cancel-button { -webkit-appearance: none; }
.faq-search__input::placeholder { color: #97a3b3; }
.faq-search__clear {
  font: inherit; font-size: 12px; cursor: pointer; padding: 5px 10px; border-radius: 999px;
  background: rgba(11,79,158,.08); color: var(--primary); border: 0;
  transition: background .18s;
}
.faq-search__clear:hover { background: rgba(11,79,158,.18); }
.faq-search__clear[hidden] { display: none; }

.faq-status {
  max-width: 980px; margin: 4px auto 10px; padding: 8px 14px; border-radius: 8px;
  font-size: 13px; text-align: center;
}
.faq-status--ok    { background: rgba(34,180,90,.08);  color: #1c7c3d; border: 1px solid rgba(34,180,90,.25); }
.faq-status--empty { background: rgba(220,80,80,.06);  color: #b13a3a; border: 1px solid rgba(220,80,80,.18); }
.faq-status--hint  { background: rgba(11,79,158,.05);  color: var(--primary-dark); border: 1px solid rgba(11,79,158,.12); }

/* 问题文字变成可点击的链接 */
.faq-item__q-text {
  flex: 1; text-align: left; color: inherit; text-decoration: none;
  border-bottom: 1px dashed transparent; transition: color .18s, border-color .18s;
  padding: 2px 0; margin-right: 8px;
}
.faq-item__q-text:hover, .faq-item__q-text:focus { color: var(--primary); border-bottom-color: var(--primary); outline: none; }

/* 答案里"阅读完整文章"按钮 */
.faq-item__a-actions { margin: 8px 0 6px; }
.faq-item__a-read {
  display: inline-block; font-size: 13px; font-weight: 600; color: #fff;
  background: linear-gradient(90deg, var(--primary), #1a5fb4);
  padding: 6px 14px; border-radius: 999px; text-decoration: none;
  transition: transform .18s, box-shadow .18s;
}
.faq-item__a-read:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(8,46,94,.22); color: #fff; }

/* 展开更多 / 收起 / 回到默认 */
.faq-more-wrap { text-align: center; margin: 20px auto 0; }
.faq-more-btn {
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
  padding: 10px 24px; border-radius: 999px;
  background: #fff; color: var(--primary); border: 1.5px solid rgba(11,79,158,.4);
  transition: background .2s, color .2s, transform .18s, box-shadow .18s;
  box-shadow: 0 2px 8px rgba(8,46,94,.05);
}
.faq-more-btn:hover { background: var(--primary); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(8,46,94,.18); }
.faq-more-btn:active { transform: translateY(0); }
.faq-controls__btn.is-on { background: var(--primary); color: #fff; }

/* ---------- FAQ 搜索结果：相关新闻卡片 ---------- */
.faq-news-result { margin-top: 22px; }
.faq-news-head { font-size: 17px; color: var(--primary-dark); margin-bottom: 14px; }
.faq-news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.faq-news-card {
  display: flex; flex-direction: column; gap: 6px;
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: 12px; padding: 16px 18px; text-decoration: none; color: inherit;
  transition: transform .16s, box-shadow .16s, border-color .16s;
}
.faq-news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--primary); }
.faq-news-card__tag {
  align-self: flex-start; font-size: 11px; font-weight: 700; color: var(--primary);
  background: var(--primary-light); padding: 3px 10px; border-radius: 999px;
}
.faq-news-card__title { font-size: 15.5px; font-weight: 700; color: var(--text); line-height: 1.45; }
.faq-news-card__summary {
  font-size: 13px; color: var(--muted); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.faq-news-empty { margin-top: 14px; font-size: 14px; color: var(--muted); text-align: center; padding: 18px; }
@media (max-width: 640px) {
  .faq-news-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .faq-section { padding: 48px 0; }
  .faq-section .section-head h2 { font-size: 24px; }
  .faq-item__q { padding: 14px 16px; font-size: 15px; gap: 10px; }
  .faq-item__a { font-size: 14px; }
  .faq-item.is-open .faq-item__a { padding: 0 16px 14px; }
  .faq-marquee { height: 34px; line-height: 34px; }
}

/* ===== UL 型号大全：新闻置顶角标 + 产品/详情网格 ===== */
.n-pin {
  display: inline-block; margin-left: 8px; padding: 2px 9px; border-radius: 999px;
  background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .5px;
  vertical-align: middle;
}
.ul-catalog-wrap { margin: 26px 0 6px; padding: 22px; background: var(--primary-light, #eef4fb); border: 1px solid rgba(11,79,158,.15); border-radius: 14px; }
.ul-catalog-title { font-size: 19px; margin: 0 0 6px; color: var(--primary-dark, #0b3a6b); }
.ul-catalog-sub { margin: 0 0 16px; color: var(--muted, #5b6b7b); font-size: 14px; }
.ul-catalog-sub .ul-catalog-count { color: var(--primary); font-weight: 800; font-size: 18px; }
.ul-catalog-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.ul-chip {
  display: inline-block; padding: 5px 11px; border-radius: 8px; background: #fff;
  border: 1px solid rgba(11,79,158,.22); color: #143a63; font-size: 13px; font-weight: 600;
  transition: background .15s, color .15s, border-color .15s;
}
.ul-chip:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
@media (max-width: 640px) {
  .ul-catalog-wrap { padding: 16px; }
  .ul-chip { font-size: 12px; padding: 4px 9px; }
}