/* 汇知知识产权 官方网站 · 样式表
   品牌主色：深紫蓝 #1E2A78 / 辅助红 #DC2626 */

:root {
  --navy: #1E2A78;
  --navy-deep: #141C55;
  --navy-soft: #EEF1FA;
  --red: #DC2626;
  --red-soft: #FDECEC;
  --ink: #1F2937;
  --ink-2: #374151;
  --muted: #6B7280;
  --line: #E5E7EB;
  --bg: #FFFFFF;
  --bg-soft: #F5F7FB;
  --radius: 10px;
  --shadow: 0 2px 16px rgba(30, 42, 120, .08);
  --shadow-lg: 0 12px 32px rgba(20, 28, 85, .14);
  --maxw: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 .6em; font-weight: 700; color: var(--navy); }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部条 ---------- */
.topbar {
  background: var(--navy-deep);
  color: #C9D1F2;
  font-size: 13px;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 40px;
}
.topbar a { color: #C9D1F2; }
.topbar a:hover { color: #fff; }
.topbar .tb-right { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: #fff; border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 8px rgba(20, 28, 85, .05);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand img { height: 34px; width: auto; }
.brand .brand-sub { font-size: 12px; color: var(--muted); border-left: 1px solid var(--line); padding-left: 10px; }

.menu { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.menu > li { position: relative; }
.menu > li > a {
  display: block; padding: 10px 14px; font-size: 15px; color: var(--ink-2);
  border-radius: 6px; white-space: nowrap; transition: .18s;
}
.menu > li > a:hover { color: var(--navy); background: var(--navy-soft); }
.menu > li.active > a { color: var(--navy); font-weight: 600; }
.menu > li.active > a::after {
  content: ""; display: block; height: 3px; width: 22px; border-radius: 2px;
  background: var(--red); margin: 4px auto 0;
}

.nav-cta { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.nav-tel { font-size: 18px; font-weight: 700; color: var(--navy); white-space: nowrap; }
.nav-tel small { display: block; font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: .5px; }

.btn {
  display: inline-block; padding: 11px 22px; border-radius: 6px; font-size: 15px;
  font-weight: 600; text-align: center; transition: .18s; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: #B91C1C; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-deep); }
.btn-ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: #fff; }
.btn-outline:hover { background: var(--navy-soft); }
.btn-sm { padding: 8px 16px; font-size: 14px; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  background: #fff; border-radius: 6px; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--navy); margin: 4px auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(120deg, #141C55 0%, #1E2A78 55%, #2C3C9E 100%);
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -80px; width: 520px; height: 520px;
  border-radius: 50%; background: radial-gradient(circle, rgba(220,38,38,.35), transparent 65%);
}
.hero .wrap { position: relative; z-index: 2; padding: 92px 24px 84px; }
.hero h1 { color: #fff; font-size: 2.75rem; margin-bottom: 18px; }
.hero .lead { font-size: 1.1rem; color: #D9E0FA; max-width: 680px; margin-bottom: 30px; }
.hero .hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero .hero-tags span {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  padding: 6px 14px; border-radius: 20px; font-size: 14px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* 首屏价值点（2026-11-13 转化优化） */
.hero-kicker {
  display: inline-block; font-size: 13.5px; letter-spacing: 1px; color: #C9D1F2;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  padding: 5px 14px; border-radius: 20px; margin-bottom: 18px;
}
.hero-points { list-style: none; margin: 0 0 30px; padding: 0; max-width: 720px; }
.hero-points li {
  position: relative; padding-left: 26px; margin-bottom: 9px;
  font-size: 15.5px; color: #D9E0FA;
}
.hero-points li::before {
  content: ""; position: absolute; left: 4px; top: 12px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--red); box-shadow: 0 0 0 3px rgba(220,38,38,.22);
}
.hero-note { font-size: 14px; color: #A9B4E4; margin: 16px 0 0; }
.btn-lg { padding: 14px 30px; font-size: 16.5px; }

.hero-sub { background: #fff; padding: 0; }
.hero-sub .wrap { padding: 0 24px; }
.stat-band {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  margin-top: -46px; position: relative; z-index: 5; overflow: hidden;
}
.stat-band div { padding: 26px 18px; text-align: center; border-right: 1px solid var(--line); }
.stat-band div:last-child { border-right: 0; }
.stat-band strong { display: block; font-size: 2rem; color: var(--navy); line-height: 1.2; }
.stat-band strong em { font-style: normal; font-size: 1rem; color: var(--red); margin-left: 2px; }
.stat-band span { font-size: 14px; color: var(--muted); }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section.soft { background: var(--bg-soft); }
.section.navy { background: var(--navy); color: #D9E0FA; }
.section.navy h2, .section.navy h3 { color: #fff; }

.sec-head { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.sec-head .kicker {
  display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--red);
  font-weight: 700; margin-bottom: 10px;
}
.sec-head p { color: var(--muted); margin-bottom: 0; }
.sec-head.left { text-align: left; margin-left: 0; }

.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

/* 卡片 */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; transition: .2s; height: 100%;
}
.card:hover { box-shadow: var(--shadow); border-color: #C9D1F2; transform: translateY(-2px); }
.card h2, .card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.card .ic {
  width: 46px; height: 46px; border-radius: 10px; background: var(--navy-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.card .ic svg { width: 24px; height: 24px; stroke: var(--navy); fill: none; stroke-width: 1.8; }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14.5px; }
.card ul li { margin-bottom: 5px; }

.card-navy { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); }
.card-navy:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); }
.card-navy p, .card-navy li { color: #C9D1F2; }
.card-navy .ic { background: rgba(255,255,255,.12); }
.card-navy .ic svg { stroke: #fff; }

.tagline-list { list-style: none; margin: 0; padding: 0; }
.tagline-list li {
  padding: 10px 0 10px 26px; border-bottom: 1px dashed var(--line);
  position: relative; color: var(--ink-2); font-size: 15px;
}
.tagline-list li::before {
  content: ""; position: absolute; left: 6px; top: 20px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--red);
}
.tagline-list li:last-child { border-bottom: 0; }

/* ---------- 按企业阶段选服务 ---------- */
.stage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.stage-card {
  background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--navy);
  border-radius: var(--radius); padding: 26px 24px 22px;
  display: flex; flex-direction: column; transition: .2s;
}
.stage-card:nth-child(2) { border-top-color: var(--red); }
.stage-card:nth-child(3) { border-top-color: #F59E0B; }
.stage-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.stage-tag {
  display: inline-block; align-self: flex-start; font-size: 12.5px; font-weight: 700;
  letter-spacing: .5px; color: var(--navy); background: var(--navy-soft);
  padding: 4px 11px; border-radius: 20px; margin-bottom: 12px;
}
.stage-card:nth-child(2) .stage-tag { color: var(--red); background: var(--red-soft); }
.stage-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.stage-why { font-size: 14.5px; color: var(--muted); margin-bottom: 14px; }
.stage-card ul { margin: 0 0 18px; padding-left: 18px; color: var(--ink-2); font-size: 14.5px; }
.stage-card ul li { margin-bottom: 6px; }
.stage-link {
  margin-top: auto; font-size: 14.5px; font-weight: 600; color: var(--navy);
  border-top: 1px solid var(--line); padding-top: 14px;
}
.stage-link:hover { color: var(--red); }
.stage-foot {
  text-align: center; color: var(--muted); font-size: 14.5px;
  max-width: 680px; margin: 30px auto 0;
}

/* ---------- 业务板块 ---------- */
.board {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.board .b {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; position: relative; overflow: hidden;
}
.board .b::before {
  content: ""; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--navy);
}
.board .b:nth-child(2)::before { background: #2C3C9E; }
.board .b:nth-child(3)::before { background: var(--red); }
.board .b:nth-child(4)::before { background: #F59E0B; }
.board .b h3 { font-size: 1.05rem; }
.board .b p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- 服务流程 ---------- */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.steps .s { position: relative; padding-top: 42px; }
.steps .s::before {
  counter-increment: s; content: counter(s);
  position: absolute; top: 0; left: 0; width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}
.steps .s::after {
  content: ""; position: absolute; top: 17px; left: 40px; right: -12px; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.steps .s:last-child::after { display: none; }
.steps .s h3, .steps .s h4 { font-size: 1rem; margin-bottom: 6px; color: var(--navy); }
.steps .s p { font-size: 14px; color: var(--muted); margin: 0; }

.flow-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
.flow-table th, .flow-table td { padding: 14px 18px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
.flow-table thead th { background: var(--navy); color: #fff; font-weight: 600; }
.flow-table tbody tr:last-child td { border-bottom: 0; }
.flow-table td:first-child { width: 60px; color: var(--red); font-weight: 700; }

/* ---------- 案例 / 客户 ---------- */
.client-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.client-grid .c {
  border: 1px solid var(--line); border-radius: 8px; padding: 18px 14px; text-align: center;
  font-weight: 600; color: var(--ink-2); background: #fff; font-size: 15px;
}
.client-grid .c span { display: block; font-size: 12.5px; font-weight: 400; color: var(--muted); margin-top: 4px; }

.case-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; margin-bottom: 20px;
}
.case-item .meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.case-item .meta span {
  font-size: 12.5px; padding: 4px 12px; border-radius: 4px; background: var(--navy-soft); color: var(--navy);
}
.case-item .meta span.red { background: var(--red-soft); color: var(--red); }
.case-item h3 { margin-bottom: 12px; }
.case-item dl { display: grid; grid-template-columns: 88px 1fr; gap: 10px 16px; margin: 0; font-size: 15px; }
.case-item dt { color: var(--navy); font-weight: 600; }
.case-item dd { margin: 0; color: var(--ink-2); }

/* ---------- 团队 ---------- */
.team-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.team-card .top { display: flex; gap: 16px; padding: 24px 22px; align-items: center; border-bottom: 1px solid var(--line); }
.avatar {
  width: 58px; height: 58px; border-radius: 50%; flex: 0 0 auto; background: var(--navy);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
}
.team-card .top h3 { margin: 0 0 4px; font-size: 1.1rem; }
.team-card .top .role { font-size: 13.5px; color: var(--red); font-weight: 600; }
.team-card .top .yrs { font-size: 12.5px; color: var(--muted); }
.team-card .body { padding: 20px 22px; }
.team-card .body p { font-size: 14.5px; color: var(--muted); margin-bottom: 10px; }
.team-card .body .badge {
  display: inline-block; font-size: 12.5px; background: var(--navy-soft); color: var(--navy);
  padding: 4px 10px; border-radius: 4px; margin: 0 6px 6px 0;
}

/* ---------- 新闻 ---------- */
.news-item {
  display: grid; grid-template-columns: 108px 1fr; gap: 20px; align-items: start;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.news-item:last-child { border-bottom: 0; }
.news-date { background: var(--bg-soft); border-radius: 8px; padding: 12px 8px; text-align: center; }
.news-date strong { display: block; font-size: 1.5rem; color: var(--navy); line-height: 1.1; }
.news-date span { font-size: 12px; color: var(--muted); }
.news-item h3 { font-size: 1.1rem; margin-bottom: 6px; }
.news-item h3 a:hover { color: var(--red); }
.news-item p { font-size: 14.5px; color: var(--muted); margin-bottom: 8px; }
.news-item .cat { font-size: 12.5px; color: var(--red); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; }
.info-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.info-box h2, .info-box h3 { font-size: 1.15rem; }
.info-box dl { margin: 0; display: grid; grid-template-columns: 82px 1fr; gap: 12px 14px; font-size: 15px; }
.info-box dt { color: var(--muted); }
.info-box dd { margin: 0; color: var(--ink-2); }
.info-box dd strong { color: var(--navy); font-size: 1.15rem; }

.form-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 6px; font-weight: 600; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px;
  font-size: 15px; font-family: inherit; color: var(--ink); background: #fff;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(30,42,120,.1);
}
.form-row textarea { min-height: 96px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 12px; }
.form-msg { display: none; margin-top: 14px; padding: 12px 14px; border-radius: 6px; font-size: 14.5px; }
.form-msg.ok { display: block; background: var(--navy-soft); color: var(--navy); }

/* 表单不可用时的降级卡（电话 + 邮件模板） */
.consult-fallback {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px;
}
.consult-fallback h3 { font-size: 1.1rem; margin-bottom: 14px; }
.consult-fallback p { font-size: 15px; color: var(--ink-2); margin-bottom: 12px; }
.consult-fallback p a { color: var(--navy); font-weight: 600; text-decoration: underline; }
.mail-tpl {
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: 8px;
  padding: 14px 16px; font-size: 14px; line-height: 1.9; color: var(--ink-2);
  white-space: pre-wrap; word-break: break-all; margin: 0 0 14px;
  font-family: inherit;
}
.mail-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 0 !important; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-deep); color: #C1CAEE; padding: 56px 0 0; font-size: 14.5px; }
.site-footer h3, .site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr .9fr .9fr .9fr 1.2fr; gap: 30px; padding-bottom: 36px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 9px; }
.site-footer a:hover { color: #fff; }
.site-footer .f-logo { height: 32px; margin-bottom: 16px; }
.site-footer .f-desc { color: #A6B0DC; line-height: 1.8; }
.foot-tel { color: #fff; font-size: 1.3rem; font-weight: 700; line-height: 1.4; }
.foot-tel small { display: block; font-size: 12px; font-weight: 400; color: #A6B0DC; letter-spacing: 1px; }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #8F9BC8;
}
.foot-bottom a { color: #8F9BC8; }

/* ---------- 浮动工具条（移动端） ---------- */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -2px 12px rgba(20,28,85,.08);
}
.mobile-bar a {
  flex: 1; text-align: center; padding: 11px 4px; font-size: 13.5px; color: var(--ink-2);
}
.mobile-bar a.tel { background: var(--navy); color: #fff; font-weight: 600; }
.mobile-bar a.tel:hover { background: var(--navy-deep); }

/* ---------- 右侧悬浮咨询条（桌面端） ---------- */
.float-consult {
  position: fixed; right: 16px; bottom: 88px; z-index: 65;
  display: flex; flex-direction: column; gap: 8px;
  opacity: 0; transform: translateX(18px); pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.float-consult.show { opacity: 1; transform: none; pointer-events: auto; }
.fc-item {
  width: 64px; padding: 10px 4px; border-radius: 10px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: 12px; line-height: 1.3; color: var(--ink-2);
  transition: transform .18s, box-shadow .18s;
}
.fc-item svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.fc-item:hover { transform: translateY(-2px); }
.fc-item:focus-visible { transform: translateY(-2px); }
.fc-tel { background: var(--navy); border-color: var(--navy); color: #fff; }
.fc-main { background: var(--red); border-color: var(--red); color: #fff; }

/* ---------- 面包屑 / 内页头 ---------- */
.page-head {
  background: linear-gradient(120deg, #141C55 0%, #1E2A78 70%, #2C3C9E 100%);
  color: #fff; padding: 54px 0 46px;
}
.page-head h1 { color: #fff; font-size: 2.1rem; margin-bottom: 10px; }
.page-head p { color: #C9D1F2; margin: 0; max-width: 720px; }
.crumbs { font-size: 13.5px; color: #A9B4E4; margin-bottom: 12px; }
.crumbs a { color: #C9D1F2; }
.crumbs a:hover { color: #fff; }

/* ---------- CTA 条 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy) 0%, #2C3C9E 100%);
  color: #fff; padding: 52px 0;
}
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 6px; font-size: 1.7rem; }
.cta-band p { color: #C9D1F2; margin: 0; }

/* ---------- 资质徽章 ---------- */
.badges { display: flex; flex-wrap: wrap; gap: 12px; }
.badges .bg {
  border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; background: #fff;
  font-size: 14.5px; color: var(--ink-2); display: flex; gap: 8px; align-items: center;
}
.badges .bg::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--red); flex: 0 0 auto;
}

/* ---------- 分区咨询条（看完即能咨询） ---------- */
.sec-cta {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-top: 26px;
  padding: 18px 22px; border-radius: var(--radius);
  background: var(--navy-soft); border: 1px solid #DDE3F5;
}
.sec-cta p { margin: 0; font-size: 15px; color: var(--ink-2); max-width: 780px; }
.sec-cta .btn { flex: 0 0 auto; }
.section.soft .sec-cta { background: #fff; border-color: var(--line); }

/* ---------- 资质分层展示 ---------- */
.qual-groups { display: grid; gap: 18px; }
.qual-group {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px 24px;
}
.qual-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; border-bottom: 1px solid var(--line);
  padding-bottom: 12px; margin-bottom: 16px;
}
.qual-head h3 { margin: 0; font-size: 1.05rem; }
.qual-lv { font-size: 13px; color: var(--red); font-weight: 600; }
.qual-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 26px; }
.qual-list li { border-left: 3px solid var(--navy-soft); padding-left: 12px; }
.qual-list li strong { display: block; font-size: 15px; color: var(--navy); margin-bottom: 2px; }
.qual-list li span { font-size: 13px; color: var(--muted); }
.qual-verify {
  margin-top: 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 26px;
}
.qual-verify h3 { font-size: 1.05rem; margin-bottom: 12px; }
.qual-verify ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14.5px; }
.qual-verify ul li { margin-bottom: 9px; }
.qual-verify ul li:last-child { margin-bottom: 0; }
.qual-verify ul strong { color: var(--ink-2); }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; background: #fff; font-size: 15px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 12px 16px; text-align: left; }
.tbl thead th { background: var(--navy-soft); color: var(--navy); }
.tbl caption { caption-side: top; text-align: left; padding-bottom: 10px; color: var(--muted); font-size: 14px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl-note { display: block; font-size: 12.5px; color: var(--muted); margin-top: 3px; font-weight: 400; }
.tbl td strong { color: var(--navy); }

.note {
  border-left: 3px solid var(--red); background: var(--bg-soft); padding: 14px 18px;
  font-size: 14.5px; color: var(--muted); border-radius: 0 6px 6px 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .menu { gap: 0; }
  .menu > li > a { padding: 10px 10px; font-size: 14.5px; }
  .nav-tel { font-size: 16px; }
}
@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav { height: 62px; }
  .menu {
    display: none; position: absolute; left: 0; right: 0; top: 62px; background: #fff;
    flex-direction: column; align-items: stretch; padding: 8px 16px 18px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow); max-height: 74vh; overflow-y: auto;
  }
  .menu.open { display: flex; }
  .menu > li > a { padding: 13px 6px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .menu > li.active > a::after { display: none; }
  .nav-cta .nav-tel { display: none; }
  .nav-cta .btn { padding: 8px 14px; font-size: 14px; }
  .brand img { height: 28px; }
  .brand .brand-sub { display: none; }
  .hero .wrap { padding: 60px 24px 56px; }
  .hero h1 { font-size: 1.95rem; }
  .stat-band { grid-template-columns: repeat(2, 1fr); margin-top: -30px; }
  .stat-band div:nth-child(2) { border-right: 0; }
  .stat-band div:nth-child(1), .stat-band div:nth-child(2) { border-bottom: 1px solid var(--line); }
  .g-2, .g-3, .g-4, .board, .steps, .client-grid { grid-template-columns: repeat(2, 1fr); }
  .stage-grid { grid-template-columns: 1fr; }
  .tbl { min-width: 680px; }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
  .steps .s::after { display: none; }
  body { padding-bottom: 54px; }
  .mobile-bar { display: flex; }
  .float-consult { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .g-2, .g-3, .g-4, .board, .steps, .client-grid, .foot-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.7rem; }
  .hero .lead { font-size: 1rem; }
  .hero-points li { font-size: 14.5px; }
  .hero-kicker { font-size: 12.5px; letter-spacing: 0; }
  .btn-lg { padding: 12px 20px; font-size: 15px; width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 340px; }
  .page-head { padding: 40px 0 34px; }
  .page-head h1 { font-size: 1.6rem; }
  .news-item { grid-template-columns: 1fr; gap: 10px; }
  .news-date { display: flex; gap: 10px; align-items: baseline; width: fit-content; padding: 6px 12px; }
  .news-date strong { font-size: 1.1rem; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; }
  .topbar .tb-right { display: none; }
  .stat-band div { padding: 18px 12px; }
  .stat-band strong { font-size: 1.6rem; }
}


/* ---------- 可访问性增强（2026-11-06 上线前体检） ---------- */
/* 跳转链接：默认移出视口，键盘聚焦时显示（原先用内联 left:-9999px 导致永远不可见） */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--navy, #1E2A78); color: #fff;
  padding: 10px 16px; border-radius: 0 0 8px 0; text-decoration: none; font-weight: 700;
}
.skip-link:focus, .skip-link:focus-visible { left: 0; outline: 3px solid #DC2626; outline-offset: 2px; }

/* 统一的键盘焦点样式 */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid #DC2626; outline-offset: 2px; border-radius: 4px;
}

/* 仅供读屏使用的标题 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 尊重系统「减弱动效」设置 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
}

/* ================= 业务落地页（专利 / 商标 / 高企，2026-11-13） ================= */
.lp-hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(120deg, #141C55 0%, #1E2A78 58%, #2C3C9E 100%);
}
.lp-hero::after {
  content: ""; position: absolute; right: -140px; top: -110px; width: 520px; height: 520px;
  border-radius: 50%; background: radial-gradient(circle, rgba(220,38,38,.32), transparent 66%);
}
.lp-hero .wrap {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr;
  gap: 46px; padding: 58px 24px 64px; align-items: start;
}
.lp-hero h1 { color: #fff; font-size: 2.3rem; margin-bottom: 16px; }
.lp-hero .lead { color: #D9E0FA; font-size: 1.02rem; margin-bottom: 24px; max-width: 620px; }
.lp-hero .hero-points { margin-bottom: 26px; }
.lp-hero .hero-points li { font-size: 15px; }
.lp-hero .hero-note { color: #A9B4E4; }

.lp-ask {
  background: #fff; border-radius: 12px; padding: 26px 24px 22px;
  box-shadow: 0 18px 44px rgba(10, 16, 50, .3); color: var(--ink);
}
.lp-ask h2 { font-size: 1.22rem; margin-bottom: 6px; }
.lp-ask .sub { font-size: 13px; color: var(--muted); margin: 0 0 16px; line-height: 1.6; }
.lp-ask .form-row { margin-bottom: 13px; }
.lp-ask .form-row label { font-size: 13px; margin-bottom: 5px; }
.lp-ask .form-row input, .lp-ask .form-row select, .lp-ask .form-row textarea { padding: 10px 12px; font-size: 15px; }
.lp-ask .btn { width: 100%; }
.lp-ask .form-note { font-size: 12px; color: var(--muted); margin: 10px 0 0; line-height: 1.6; }
.lp-ask-tel { margin: 12px 0 0; font-size: 13.5px; color: var(--muted); text-align: center; }
.lp-ask-tel a { color: var(--navy); font-weight: 700; }
.lp-ask .consult-fallback { margin: 0; }

/* 场景诊断卡 */
.lp-scene { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lp-scene .s {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--navy);
  border-radius: 8px; padding: 18px 18px 16px;
}
.lp-scene .s h3 { font-size: 1rem; margin-bottom: 8px; }
.lp-scene .s p { font-size: 14px; color: var(--ink-2); margin: 0; }
.lp-scene .s .tagline { display: block; font-size: 12.5px; color: var(--red); font-weight: 600; margin-bottom: 4px; }

/* 关键数字条 */
.lp-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.lp-fact { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.lp-fact strong { display: block; color: var(--navy); font-size: 1.32rem; line-height: 1.3; }
.lp-fact span { font-size: 13px; color: var(--muted); }

/* 步骤条：5 / 6 列 */
.steps.five { grid-template-columns: repeat(5, 1fr); }
.steps.six { grid-template-columns: repeat(6, 1fr); }

/* 误区 */
.lp-myth { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.lp-myth .m { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; }
.lp-myth .m h3 { font-size: 1rem; color: var(--red); margin-bottom: 8px; }
.lp-myth .m h3 em { font-style: normal; color: var(--muted); font-weight: 600; font-size: 13px; margin-right: 6px; }
.lp-myth .m p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.lp-myth .m .fix { display: block; margin-top: 8px; color: var(--navy); font-weight: 600; }

@media (max-width: 980px) {
  .lp-hero .wrap { grid-template-columns: 1fr; gap: 30px; padding: 42px 24px 48px; }
  .lp-hero h1 { font-size: 1.82rem; }
  .lp-scene, .lp-facts { grid-template-columns: repeat(2, 1fr); }
  .lp-myth { grid-template-columns: 1fr; }
  .steps.five, .steps.six { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .lp-scene, .lp-facts { grid-template-columns: 1fr; }
}

/* ================= 手机端阅读适配（2026-11-13） ================= */
/* iOS 上输入框字号小于 16px，聚焦时会自动放大整页，触屏体验很差 */
@media (max-width: 640px) {
  input, select, textarea,
  .form-row input, .form-row select, .form-row textarea,
  .lp-ask .form-row input, .lp-ask .form-row select, .lp-ask .form-row textarea { font-size: 16px; }

  /* 顶部信息条：收起长标语，保留四个快捷入口（知识库入口不能丢） */
  .topbar .wrap { justify-content: center; height: 36px; }
  .topbar .wrap > span { display: none; }
  .topbar .tb-right { display: flex; gap: 16px; font-size: 12.5px; justify-content: center; }

  .lp-hero .wrap { padding: 30px 16px 34px; gap: 22px; }
  .lp-hero h1 { font-size: 1.6rem; line-height: 1.36; }
  .lp-hero .lead { font-size: .96rem; line-height: 1.75; margin-bottom: 18px; }
  .lp-hero .hero-points { margin-bottom: 20px; }
  .lp-hero .hero-points li { font-size: 14px; padding-left: 20px; }
  .lp-ask { padding: 20px 16px 18px; border-radius: 10px; }
  .lp-ask h2 { font-size: 1.06rem; }

  /* 关键数字：两列排布，四张卡不再各占一整屏 */
  .lp-facts { grid-template-columns: 1fr 1fr; gap: 10px; }
  .lp-fact { padding: 13px 14px; }
  .lp-fact strong { font-size: 1.02rem; }
  .lp-fact span { display: block; margin-top: 3px; font-size: 12px; line-height: 1.55; }

  .lp-scene { gap: 12px; }
  .lp-scene .s { padding: 15px 16px 14px; }
  .lp-myth { gap: 12px; }
  .lp-myth .m { padding: 16px 16px 15px; }
  .lp-myth .m p { font-size: 14px; }

  .section { padding: 40px 0; }
  h2 { font-size: 1.3rem; }
  .sec-cta { padding: 16px; }
  .sec-cta .btn { width: 100%; }

  /* 表格转卡片：靠 data-th 显示列名，手机上不必再横向滑动 */
  .tbl-stack { min-width: 0; }
  .tbl-stack thead { display: none; }
  .tbl-stack, .tbl-stack tbody, .tbl-stack tr, .tbl-stack td { display: block; width: 100%; }
  .tbl-stack caption { display: block; width: 100%; padding: 0 0 8px; font-size: 12.5px; line-height: 1.6; }
  .tbl-stack tr {
    border: 1px solid var(--line); border-radius: 8px; background: #fff;
    margin-bottom: 10px; overflow: hidden;
  }
  .tbl-stack td { border: 0; padding: 8px 14px; font-size: 14px; }
  .tbl-stack td + td { border-top: 1px dashed #EDF0F8; }
  .tbl-stack td::before {
    content: attr(data-th); display: block; font-size: 11.5px; color: var(--muted);
    margin-bottom: 2px;
  }
  /* 第一列即卡片标题：不重复显示列名，直接做标题条 */
  .tbl-stack td:first-child { background: var(--navy-soft); font-weight: 700; color: var(--navy); padding: 10px 14px; }
  .tbl-stack td:first-child::before { display: none; }
}

@media (max-width: 560px) {
  /* 5 / 6 步流程：两列会把说明压成豆腐块，改竖排 + 左侧序号 */
  .steps.five, .steps.six { grid-template-columns: 1fr; gap: 16px; }
  .steps .s { padding-top: 0; padding-left: 46px; }
  .steps .s::before { top: 1px; }
  .steps .s h3 { margin-bottom: 4px; }
}

/* ================= 落地页·本页要点速览（2026-11-13） ================= */
/* 用在深色 hero 内：白底 pill + 浅色小标题 */
.lp-tldr {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, .22);
}
.lp-tldr-t {
  font-size: 11.5px; font-weight: 700; color: rgba(255, 255, 255, .62);
  letter-spacing: .07em; margin-right: 2px;
}
.lp-tldr a {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 12px; border: 1px solid transparent; border-radius: 999px;
  background: #fff; font-size: 13px; line-height: 1.4; color: var(--navy);
  font-weight: 500; text-decoration: none;
  transition: background .18s, border-color .18s, color .18s;
}
.lp-tldr a::before { content: "\2192"; font-size: 11px; color: #6B76A8; transition: color .18s; }
.lp-tldr a:hover, .lp-tldr a:focus-visible {
  background: var(--red); border-color: var(--red); color: #fff;
}
.lp-tldr a:hover::before, .lp-tldr a:focus-visible::before { color: rgba(255, 255, 255, .85); }

/* 页内跳转后标题不被吸顶导航压住 */
section[id] { scroll-margin-top: 84px; }

@media (max-width: 640px) {
  .lp-tldr { margin-top: 16px; padding-top: 14px; gap: 8px; }
  .lp-tldr-t { width: 100%; font-size: 11px; margin: 0 0 1px; }
  /* 竖排：每条占满一行，点按区域从约 140×30 放大到整行，文字也不再被挤断 */
  .lp-tldr a {
    width: 100%; justify-content: flex-start; gap: 7px;
    font-size: 13px; padding: 9px 13px;
  }
  /* 箭头排到最后（order 只影响视觉顺序，不会像 row-reverse 那样把文字推到右边） */
  .lp-tldr a::before { order: 2; margin-left: auto; font-size: 12px; }
  section[id] { scroll-margin-top: 74px; }
}

/* ================= 首页 FAQ 分组 + 末尾引导（2026-11-13） ================= */
.faq-group { margin-bottom: 30px; }
.faq-group:last-child { margin-bottom: 0; }
.faq-cat {
  display: inline-flex; align-items: center;
  font-size: 13px; font-weight: 700; color: var(--navy);
  letter-spacing: .06em;
  padding: 5px 14px; margin-bottom: 14px;
  background: var(--navy-soft); border-radius: 999px;
}
.faq-group .card { padding: 22px; }
.faq-group .card h3 { font-size: 1.02rem; line-height: 1.5; margin-bottom: 8px; }
.faq-group .card p { font-size: 14.5px; line-height: 1.72; margin-bottom: 0; }

.faq-more {
  margin-top: 34px; padding: 26px 28px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.faq-more p { margin: 0; font-size: 15px; color: var(--muted); line-height: 1.7; max-width: 620px; }
.faq-more p strong { color: var(--navy); }
.faq-more-act { display: flex; gap: 10px; flex-shrink: 0; }

@media (max-width: 980px) {
  .faq-more { flex-direction: column; align-items: stretch; }
  .faq-more-act { flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .faq-group { margin-bottom: 24px; }
  .faq-cat { font-size: 12px; padding: 4px 12px; margin-bottom: 12px; }
  .faq-group .card { padding: 18px; }
  .faq-group .card h3 { font-size: .98rem; }
  .faq-group .card p { font-size: 14px; }
  .faq-more { margin-top: 26px; padding: 20px 18px; gap: 16px; }
  .faq-more-act { flex-direction: column; }
  .faq-more-act .btn { width: 100%; }
}

/* ================= 城市 / 地域入口（2026-11-13 GEO 地域获客） ================= */
/* 城市页顶部切换条：落在深色 hero 内，用白底胶囊表示当前城市 */
.city-switch { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 18px; }
.city-switch .cs-label { font-size: 12.5px; color: #A9B4E4; margin-right: 2px; letter-spacing: .5px; }
.city-switch a {
  font-size: 13px; padding: 4px 11px; border-radius: 20px; color: #C9D1F2;
  border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.07);
}
.city-switch a:hover { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.16); }
.city-switch a.on { background: #fff; color: var(--navy); border-color: #fff; font-weight: 700; }
.city-switch .cs-all { border-style: dashed; }

/* 首页城市条：夹在数据条与正文之间 */
.city-strip { background: #fff; border-bottom: 1px solid var(--line); }
.city-strip .wrap {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 16px 24px;
}
.cs-lead { font-size: 14px; color: var(--muted); white-space: nowrap; }
.cs-list { display: flex; flex-wrap: wrap; gap: 8px; }
.cs-list a {
  font-size: 14px; font-weight: 600; color: var(--navy); padding: 5px 13px;
  border: 1px solid var(--line); border-radius: 20px; background: #fff;
}
.cs-list a:hover { border-color: var(--navy); background: var(--navy-soft); }
.cs-list a em { font-style: normal; font-size: 11px; color: var(--red); margin-left: 3px; }
.cs-more { margin-left: auto; font-size: 14px; font-weight: 600; color: var(--red); white-space: nowrap; }

/* 城市索引页卡片 */
.city-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.city-card {
  display: flex; flex-direction: column; gap: 7px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.city-card:hover { border-color: var(--navy); box-shadow: var(--shadow); transform: translateY(-2px); }
.cc-tag { font-size: 12px; font-weight: 600; color: var(--red); letter-spacing: .5px; }
.city-card h3 { font-size: 1.3rem; margin: 0; }
.city-card p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; flex: 1; }
.cc-tel { font-size: 14px; font-weight: 700; color: var(--navy); }
.cc-go { font-size: 13.5px; font-weight: 600; color: var(--red); }

/* 顶部栏城市入口：与其它快捷链接区分，加一点强调 */
.topbar a.tb-city { color: #fff; font-weight: 600; }

@media (max-width: 980px) {
  .city-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .city-strip .wrap { padding: 12px 16px; gap: 10px; }
  .cs-lead { width: 100%; }
  .cs-list { gap: 6px; }
  .cs-list a { font-size: 13px; padding: 4px 11px; }
  .cs-more { margin-left: 0; }
  .city-grid { grid-template-columns: 1fr; }
  .city-switch { gap: 5px; margin-bottom: 14px; }
  .city-switch a { font-size: 12.5px; padding: 4px 9px; }
  .city-switch .cs-label { width: 100%; margin-bottom: 2px; }
}

/* 流程七步的「你会拿到」：与步骤说明区分，强调可交付物 */
.steps .s .s-out {
  margin-top: 8px; padding-left: 10px; border-left: 2px solid var(--red);
  font-size: 13px; color: var(--navy); line-height: 1.65;
}

/* 手机端微调：城市切换去掉占行的 label，胶囊从首行开始，省一行高度 */
@media (max-width: 640px) {
  .city-switch .cs-label { display: none; }
  .topbar .tb-right { gap: 12px; font-size: 12px; }
}

/* 城市页 hero 内的可视面包屑（与 JSON-LD BreadcrumbList 对应） */
.lp-crumbs { color: #A9B4E4; font-size: 13px; margin-bottom: 14px; }
.lp-crumbs a { color: #C9D1F2; }
.lp-crumbs a:hover { color: #fff; }
.lp-crumbs span { color: #fff; }