/* ============================================================
   宁馨致远信息咨询服务工作室 — 企业官网样式
   风格：简约 · 大气 · 专业
   ============================================================ */

:root {
  --navy: #142844;
  --navy-light: #1e3a63;
  --navy-soft: #2b4a7a;
  --accent: #c9a35b;        /* 暖金 */
  --accent-deep: #b08a3e;
  --accent-soft: #f3ead7;
  --ink: #1f2a37;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-tint: #f1f4f8;
  --line: #e7eaef;
  --white: #ffffff;
  --shadow-sm: 0 2px 10px rgba(20, 40, 68, .06);
  --shadow-md: 0 12px 36px rgba(20, 40, 68, .10);
  --shadow-lg: 0 24px 60px rgba(20, 40, 68, .14);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Source Han Sans CN", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: .5px;
}
.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  position: relative;
  padding: 9px 16px;
  font-size: 15px;
  color: var(--ink);
  border-radius: 8px;
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--navy); background: var(--bg-soft); }
.nav-links a.active { color: var(--navy); font-weight: 600; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 2px; border-radius: 2px;
  background: var(--accent);
}

.nav-cta {
  margin-left: 8px;
  padding: 9px 20px;
  background: var(--navy);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: background .25s, transform .25s;
}
.nav-cta:hover,
.nav-cta:active,
.nav-cta:focus { color: #fff !important; background: var(--navy); }
.nav-cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 18px; height: 2px;
  background: var(--navy);
  transform: translate(-50%, -50%);
  transition: .25s var(--ease);
}
.nav-toggle span::before { transform: translate(-50%, -7px); }
.nav-toggle span::after { transform: translate(-50%, 5px); }

/* ---------- 通用区块 ---------- */
section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-tint { background: var(--bg-tint); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  color: var(--navy);
  font-weight: 800;
  letter-spacing: .5px;
  line-height: 1.3;
}
.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background .25s, box-shadow .25s, color .25s;
}
.btn-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-gold {
  background: var(--accent);
  color: var(--navy);
}
.btn-gold:hover { background: var(--accent-deep); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--line);
  color: var(--navy);
  background: #fff;
}
.btn-ghost:hover { border-color: var(--navy); transform: translateY(-2px); }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(201,163,91,.16), transparent 60%),
    linear-gradient(160deg, #142844 0%, #1b3357 55%, #15314f 100%);
  color: #fff;
  overflow: hidden;
  padding: 116px 0 104px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(900px 500px at 75% 20%, #000, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  font-size: 13px;
  color: var(--accent-soft);
  margin-bottom: 26px;
  background: rgba(255,255,255,.04);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 1px;
}
.hero h1 .hl { color: var(--accent); }
.hero .lead {
  margin-top: 22px;
  font-size: 18px;
  color: rgba(255,255,255,.82);
  max-width: 520px;
}
.hero-actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-primary { background: var(--accent); color: var(--navy); }
.hero .btn-primary:hover { background: #d9b56e; }
.hero .btn-ghost { color: var(--navy); background: #fff; border-color: #fff; font-weight: 700; }
.hero .btn-ghost:hover { background: #f1f4f8; border-color: #f1f4f8; transform: translateY(-2px); box-shadow: var(--shadow-md); }

.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 32px;
}
.hero-stats .num { font-size: 32px; font-weight: 800; color: #fff; }
.hero-stats .num small { font-size: 16px; color: var(--accent); }
.hero-stats .label { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 4px; }

/* Hero 卡片 */
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 30px;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.hero-card h3 { font-size: 18px; color: #fff; margin-bottom: 18px; display:flex; align-items:center; gap:10px;}
.hero-card h3 .ic { color: var(--accent); }
.hero-card ul li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(255,255,255,.12);
  font-size: 14.5px;
  color: rgba(255,255,255,.86);
}
.hero-card ul li:last-child { border-bottom: 0; }
.hero-card ul li .tick {
  flex: 0 0 auto;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(201,163,91,.18); color: var(--accent);
  display: grid; place-items: center; font-size: 12px; margin-top: 3px;
}

/* ---------- 业务卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: var(--accent);
  transition: width .35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.card:hover::before { width: 100%; }
.card .icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  display: grid; place-items: center;
  margin-bottom: 20px;
}
.card h3 { font-size: 18px; color: var(--navy); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); }

/* ---------- 优势区 ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.why-item {
  display: flex; gap: 18px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.why-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why-item .wi-icon {
  flex: 0 0 auto;
  width: 46px; height: 46px; border-radius: 11px;
  background: var(--navy); color: var(--accent);
  display: grid; place-items: center; font-size: 20px;
}
.why-item h3 { font-size: 17px; color: var(--navy); margin-bottom: 6px; }
.why-item p { font-size: 14px; color: var(--muted); }

/* ---------- 流程步骤 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.step .n {
  counter-increment: step;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: var(--accent);
  display: grid; place-items: center; font-weight: 800;
  margin-bottom: 16px;
}
.step .n::before { content: counter(step); }
.step h3 { font-size: 16.5px; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: #fff;
  border-radius: 20px;
  padding: 56px 50px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 30px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute; right: -60px; top: -60px;
  width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,163,91,.25), transparent 70%);
  pointer-events: none;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; }
.cta-band p { margin-top: 12px; color: rgba(255,255,255,.8); }

/* ---------- 关于我们 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-text h2 { font-size: clamp(26px, 3.2vw, 36px); color: var(--navy); font-weight: 800; }
.about-text p { margin-top: 18px; color: var(--muted); }
.about-text .values {
  margin-top: 26px;
  display: grid; gap: 14px;
}
.value-row { display: flex; gap: 14px; align-items: flex-start; }
.value-row .vk {
  flex: 0 0 auto; width: 36px; height: 36px; border-radius: 9px;
  background: var(--accent-soft); color: var(--accent-deep);
  display: grid; place-items: center; font-weight: 800;
}
.value-row h4 { font-size: 16px; color: var(--navy); }
.value-row p { margin-top: 2px; font-size: 14px; color: var(--muted); }

.about-visual {
  background: linear-gradient(160deg, #f3ead7, #e9dcc0);
  border-radius: 20px;
  padding: 40px;
  position: relative;
  min-height: 380px;
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: var(--shadow-md);
}
.about-visual .big {
  font-size: 80px; font-weight: 800; color: var(--navy);
  line-height: 1; letter-spacing: 4px; opacity: .9;
}
.about-visual .sub { margin-top: 14px; color: var(--navy-light); font-size: 15px; }
.about-visual .quote {
  margin-top: 28px; padding-top: 22px;
  border-top: 1px solid rgba(20,40,68,.18);
  color: var(--navy); font-size: 15px; font-style: italic;
}

/* 使命愿景价值观 */
.mvv {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.mvv-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px 28px;
  text-align: center;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.mvv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.mvv-card .ic {
  width: 56px; height: 56px; border-radius: 14px; margin: 0 auto 18px;
  background: var(--navy); color: var(--accent); display: grid; place-items: center; font-size: 24px;
}
.mvv-card h3 { font-size: 19px; color: var(--navy); margin-bottom: 12px; }
.mvv-card p { font-size: 14.5px; color: var(--muted); }

/* ---------- 服务详情 ---------- */
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}
.service-row:last-child { border-bottom: 0; }
.service-row:nth-child(even) .service-visual { order: -1; }
.service-info .tag {
  display: inline-block; font-size: 12px; letter-spacing: 2px;
  color: var(--accent-deep); font-weight: 700; margin-bottom: 12px;
}
.service-info h3 { font-size: 24px; color: var(--navy); font-weight: 800; }
.service-info .desc { margin-top: 14px; color: var(--muted); }
.service-info ul { margin-top: 20px; display: grid; gap: 12px; }
.service-info ul li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--ink); }
.service-info ul li .tick {
  flex: 0 0 auto; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-deep);
  display: grid; place-items: center; font-size: 12px; margin-top: 3px;
}
.service-visual {
  background: linear-gradient(160deg, var(--navy), var(--navy-light));
  border-radius: 18px; padding: 38px; color: #fff;
  box-shadow: var(--shadow-md); min-height: 240px;
  display: flex; flex-direction: column; justify-content: center;
}
.service-visual .sv-num {
  font-size: 60px; font-weight: 800; color: var(--accent); line-height: 1;
}
.service-visual .sv-title { margin-top: 12px; font-size: 18px; font-weight: 700; }
.service-visual .sv-list { margin-top: 18px; display: grid; gap: 8px; }
.service-visual .sv-list span {
  font-size: 13.5px; color: rgba(255,255,255,.82);
  padding-left: 16px; position: relative;
}
.service-visual .sv-list span::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 50px;
}
.contact-info h2 { font-size: clamp(26px,3vw,34px); color: var(--navy); font-weight: 800; }
.contact-info > p { margin-top: 16px; color: var(--muted); }
.info-list { margin-top: 30px; display: grid; gap: 18px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-item .ic {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent-deep);
  display: grid; place-items: center; font-size: 20px;
}
.info-item h4 { font-size: 15px; color: var(--navy); }
.info-item p { font-size: 14.5px; color: var(--muted); }

.form-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 38px;
  box-shadow: var(--shadow-md);
}
.form-card h3 { font-size: 20px; color: var(--navy); margin-bottom: 22px; text-align: center; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--navy); margin-bottom: 7px; font-weight: 600; }
.field label .req { color: #d9534f; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-size: 15px; color: var(--ink);
  background: var(--bg-soft);
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--navy); background: #fff;
  box-shadow: 0 0 0 3px rgba(20,40,68,.08);
}
.field textarea { resize: vertical; min-height: 110px; }
.field .err { display: none; color: #d9534f; font-size: 12.5px; margin-top: 6px; }
.field.invalid input, .field.invalid textarea { border-color: #d9534f; background: #fff5f5; }
.field.invalid .err { display: block; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.form-success {
  display: none; align-items: center; gap: 12px;
  background: #ecf7ef; color: #1d7a41; border: 1px solid #c7e8d1;
  padding: 14px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 18px;
}
.form-success.show { display: flex; }

/* 表单加载中占位（番茄表单接入前） */
.form-loading {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 14px; padding: 46px 20px;
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: 14px;
}
.form-loading .spinner {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid var(--line); border-top-color: var(--navy);
  animation: spin .8s linear infinite;
}
.form-loading .loading-text { font-size: 16px; color: var(--navy); font-weight: 600; margin: 0; }
.form-loading .form-note { margin-top: 0; max-width: 320px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 地图占位 */
.map-placeholder {
  margin-top: 50px;
  height: 300px;
  border-radius: 18px;
  background:
    linear-gradient(rgba(20,40,68,.55), rgba(20,40,68,.55)),
    repeating-linear-gradient(45deg, #2b4a7a 0 24px, #274366 24px 48px);
  display: grid; place-items: center; color: #fff; text-align: center;
  position: relative; overflow: hidden;
}
.map-placeholder .pin { font-size: 34px; }
.map-placeholder p { margin-top: 10px; color: rgba(255,255,255,.85); font-size: 14px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.72);
  padding: 64px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-logo {
  height: 90px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}
.footer-brand p { margin-top: 12px; font-size: 14px; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: .5px; }
.footer-col a { display: block; padding: 6px 0; font-size: 14px; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-col p { font-size: 14px; padding: 4px 0; }
.footer-bottom {
  margin-top: 48px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.55);
}
.footer-bottom a {
  color: rgba(255,255,255,.78);
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.footer-bottom a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* 公安备案标识：图标与文字水平同排、垂直居中、间距适中 */
.footer-bottom .beian-gongan { display: inline-flex; align-items: center; gap: 6px; }
.footer-bottom .beian-gongan img { width: 14px; height: auto; display: block; flex-shrink: 0; }

/* ---------- 团队成员 ---------- */
.team-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.team-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.team-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.team-photo { background: #f1f4f8; overflow: hidden; }
.team-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 22%;
  display: block;
}
.team-body { padding: 22px 24px 26px; }
.team-no {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--accent);
  padding: 3px 10px;
  border: 1px solid rgba(201,163,91,.45);
  border-radius: 999px;
  margin-bottom: 10px;
}
.team-card h3 { font-size: 20px; font-weight: 700; color: var(--navy); line-height: 1.4; }
.team-role {
  display: inline-block;
  margin-top: 6px;
  font-size: 14.5px;
  color: var(--accent-deep);
  font-weight: 600;
  letter-spacing: .5px;
}
.team-bio {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.team-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.team-tags li {
  padding: 4px 12px;
  background: var(--bg-tint);
  color: var(--navy-soft);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

/* ---------- 客户案例 ---------- */
.case-block {
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.case-head {
  position: relative;
  overflow: hidden;
  padding: 34px 40px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: #fff;
}
.case-head::after {
  content: "";
  position: absolute; right: -50px; top: -60px;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,163,91,.25), transparent 70%);
  pointer-events: none;
}
.case-no {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: 2px;
  color: var(--accent);
  padding: 5px 12px;
  border: 1px solid rgba(201,163,91,.45);
  border-radius: 999px;
  margin-bottom: 16px;
}
.case-head h3 { font-size: clamp(20px, 2.6vw, 27px); font-weight: 800; line-height: 1.5; }
.case-sub { margin-top: 10px; font-size: 14.5px; color: rgba(255,255,255,.78); }

.case-meta { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.case-meta > div { padding: 18px 24px; border-right: 1px solid var(--line); }
.case-meta > div:last-child { border-right: 0; }
.case-meta .k { font-size: 12px; letter-spacing: .5px; color: var(--muted); }
.case-meta .v { margin-top: 3px; font-size: 15px; font-weight: 600; color: var(--navy); }

.case-cols { display: grid; grid-template-columns: 1fr 1fr; }
.case-col { padding: 26px 40px; }
.case-col + .case-col { border-left: 1px solid var(--line); }
.case-col h4, .case-result h4 {
  display: flex; align-items: center; gap: 9px;
  font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 12px;
}
.case-col h4 .ic, .case-result h4 .ic { color: var(--accent); font-size: 14px; }
.case-col ul li, .case-result ul li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 11px 0;
  font-size: 14.5px; color: var(--muted);
  border-bottom: 1px dashed var(--line);
}
.case-col ul li:last-child, .case-result ul li:last-child { border-bottom: 0; }
.case-col ul li strong, .case-result ul li strong { color: var(--ink); font-weight: 600; }
.case-col ul li .tick { flex-shrink: 0; font-weight: 700; color: var(--accent); }
.case-col ul li .tick.pain { color: #c0553f; }

.case-result { padding: 26px 40px; border-top: 1px solid var(--line); background: var(--bg-soft); }
.case-result ul li .tick { flex-shrink: 0; font-weight: 700; color: var(--accent); }

/* 首页案例预览卡片 */
.case-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.case-mini {
  display: block; padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.case-mini:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201,163,91,.5);
}
.cm-no {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--accent); padding: 4px 11px;
  border: 1px solid rgba(201,163,91,.45); border-radius: 999px;
}
.case-mini h3 { font-size: 18px; font-weight: 700; color: var(--navy); margin: 13px 0 8px; line-height: 1.6; }
.cm-meta { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.case-mini ul li {
  display: flex; gap: 9px; align-items: flex-start;
  padding: 6px 0; font-size: 14px; color: var(--muted);
}
.case-mini ul li .tick { flex-shrink: 0; font-weight: 700; color: var(--accent); }
.cm-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--navy);
}
.cm-more .arrow { transition: transform .25s var(--ease); }
.case-mini:hover .cm-more .arrow { transform: translateX(4px); }

.fit-table { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.fit-row { display: grid; grid-template-columns: 280px 1fr; border-bottom: 1px solid var(--line); }
.fit-row:last-child { border-bottom: 0; }
.fit-row .fk {
  padding: 16px 24px; background: var(--bg-tint);
  font-size: 15px; font-weight: 600; color: var(--navy);
}
.fit-row .fv { padding: 16px 24px; font-size: 14.5px; color: var(--muted); }

/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }
.delay-4 { transition-delay: .32s; }

/* ---------- 关注公众号 ---------- */
.follow-box {
  display: flex; gap: 40px; align-items: center;
  background: #fff; border: 1px solid var(--line);
  border-radius: 20px; padding: 44px 50px;
  box-shadow: var(--shadow-md); max-width: 760px; margin: 0 auto;
}
.follow-qr { flex: 0 0 auto; }
.follow-qr img { width: 180px; height: 180px; border-radius: 14px; display: block; border: 1px solid var(--line); }
.follow-text { flex: 1 1 auto; }
.follow-text h2 { font-size: clamp(22px, 2.6vw, 28px); color: var(--navy); font-weight: 800; margin: 10px 0 12px; }
.follow-text p { color: var(--muted); font-size: 15px; line-height: 1.7; }
.follow-hint { margin-top: 14px; font-size: 13px !important; color: var(--accent-deep) !important; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { order: 2; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .mvv { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; gap: 26px; }
  .service-row:nth-child(even) .service-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .follow-box { flex-direction: column; text-align: center; padding: 36px 24px; }
  .cta-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .case-cols { grid-template-columns: 1fr; }
  .case-cards { grid-template-columns: 1fr; }
  .team-list { grid-template-columns: 1fr; }
  .case-col + .case-col { border-left: 0; border-top: 1px solid var(--line); }
  .case-meta { grid-template-columns: 1fr; }
  .case-meta > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-meta > div:last-child { border-bottom: 0; }
  .fit-row { grid-template-columns: 220px 1fr; }
}
@media (max-width: 680px) {
  section { padding: 64px 0; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 20px 20px;
    transform: translateY(-130%);
    transition: transform .35s var(--ease);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 8px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav-links a.active::after { display: none; }
  .nav-cta { margin: 12px 8px 0; text-align: center; }
  .nav-toggle { display: block; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 18px; }
  .cta-band { padding: 38px 28px; }
  .form-card { padding: 28px 22px; }
  .case-head { padding: 26px 22px; }
  .case-col, .case-result { padding: 22px; }
  .case-meta > div { padding: 14px 22px; }
  .fit-row { grid-template-columns: 1fr; }
  .fit-row .fk { padding: 14px 20px; background: var(--navy); color: #fff; }
  .fit-row .fv { padding: 12px 20px 16px; }
  .brand-logo { height: 32px; }
  .footer-logo { height: 72px; }
}

/* ---------- 资料下载 ----------
.dl-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.dl-meta { font-size: 13.5px; color: var(--muted); margin-bottom: 14px; }

/* 资料下载分页标签（页码 1 / 页码 2） */
/* 默认隐藏分页标签：无 JS 时不需要标签，全部面板直接铺开（兜底，避免内容消失） */
.dl-tabs {
  display: none;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.dl-tab {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
  padding: 12px 28px;
  border-radius: 999px;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.dl-tab:hover { border-color: var(--navy-soft); color: var(--navy); }
.dl-tab.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
  box-shadow: var(--shadow-sm);
}
.dl-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* 默认（无 JS / 未启用分页）：所有面板可见 */
.dl-panel { display: block; }
.dl-panel.active { display: block; }
.dl-panel[hidden] { display: none; }

/* JS 成功接管后（main.js 给容器加 .js-tabs）：收起为分页标签，仅显示激活面板 */
.js-tabs .dl-tabs { display: flex; }
.js-tabs .dl-panel { display: none; }
.js-tabs .dl-panel.active { display: block; }

@media (max-width: 680px) {
  .dl-tabs { gap: 10px; margin-bottom: 32px; }
  .dl-tab { padding: 11px 22px; font-size: 14px; }
}