/* =========================================================
   北斗领英 官网样式
   配色：冰绿（#7FE3C4）+ 天蓝（#4FA8E8）
   结构：变量 → 基础 → 导航 → Hero → 通用区块 → 各模块 → 页脚 → 响应式
   ========================================================= */

:root {
  /* 主色 */
  --ice-green: #7fe3c4;
  --ice-green-deep: #38c9a4;
  --ice-green-soft: #e8fbf5;
  --sky-blue: #4fa8e8;
  --sky-blue-deep: #2b7fd4;
  --sky-blue-soft: #e9f4fd;

  /* 文字 */
  --ink: #0f2b3d;
  --ink-2: #3d5a6c;
  --ink-3: #6b8798;

  /* 背景与线条 */
  --bg: #ffffff;
  --bg-tint: #f4fbfb;
  --line: #dceaf0;

  /* 渐变 */
  --grad: linear-gradient(135deg, var(--ice-green) 0%, var(--sky-blue) 100%);
  --grad-soft: linear-gradient(135deg, var(--ice-green-soft) 0%, var(--sky-blue-soft) 100%);

  /* 尺寸 */
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15, 43, 61, 0.06);
  --shadow: 0 10px 30px rgba(15, 43, 61, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 43, 61, 0.12);
  --maxw: 1180px;
  --header-h: 72px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-size: 17px;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { line-height: 1.3; margin: 0 0 12px; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 14px; color: var(--ink-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--sky-blue-deep); text-decoration: none; }
img, svg { max-width: 100%; display: block; }

/* 键盘焦点始终可见（无障碍要求） */
:focus-visible {
  outline: 3px solid var(--sky-blue-deep);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 999;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 13px 26px; border: 1px solid transparent;
  border-radius: 999px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 20px rgba(79, 168, 232, 0.32);
}
.btn-primary:hover { box-shadow: 0 14px 28px rgba(79, 168, 232, 0.42); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink); border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--sky-blue); color: var(--sky-blue-deep); }

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }

.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { display: block; height: 38px; width: auto; }

.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav ul { display: flex; align-items: center; gap: 26px; }
.primary-nav a:not(.btn) {
  color: var(--ink-2); font-size: 15px; font-weight: 500; position: relative; padding: 4px 0;
}
.primary-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--grad); border-radius: 2px; transition: width 0.22s ease;
}
.primary-nav a:not(.btn):hover { color: var(--sky-blue-deep); }
.primary-nav a:not(.btn):hover::after { width: 100%; }

.nav-toggle {
  display: none; width: 42px; height: 42px; padding: 10px;
  background: transparent; border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
}
.nav-toggle-bar {
  display: block; width: 100%; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle-bar + .nav-toggle-bar { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(92dvh, 860px);
  display: flex; align-items: center;
  padding: 72px 0 96px;
  overflow: hidden;
}
/* 背景：冰绿 → 天蓝 的柔和大光斑 */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(1000px 520px at 12% 8%, rgba(127, 227, 196, 0.55), transparent 60%),
    radial-gradient(900px 560px at 88% 22%, rgba(79, 168, 232, 0.45), transparent 62%),
    radial-gradient(700px 500px at 50% 100%, rgba(232, 251, 245, 0.9), transparent 60%),
    var(--bg-tint);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }

.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.18em;
  color: var(--sky-blue-deep); background: rgba(255, 255, 255, 0.75);
  padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(79, 168, 232, 0.25);
  margin-bottom: 20px;
}
.hero-title { font-size: clamp(38px, 6vw, 66px); margin-bottom: 20px; letter-spacing: -0.02em; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { font-size: clamp(16px, 1.6vw, 19px); max-width: 620px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }

.hero-stats { display: flex; gap: 40px; margin: 0; flex-wrap: wrap; }
.hero-stats dt { font-size: 13px; color: var(--ink-3); margin-bottom: 2px; }
.hero-stats dd { margin: 0; font-size: 34px; font-weight: 800; line-height: 1.1; color: var(--ink); }
.hero-stats .unit { font-size: 18px; color: var(--sky-blue-deep); margin-left: 2px; }

/* 悬浮卡片 */
.hero-visual { position: relative; height: 380px; }
.glass-card {
  position: absolute; width: 210px; padding: 18px 20px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.glass-card p { margin: 0; }
.glass-card .card-title { font-weight: 700; color: var(--ink); }
.glass-card .card-desc { font-size: 14px; color: var(--ink-3); }
.glass-card .dot { display: block; width: 10px; height: 10px; border-radius: 50%; margin-bottom: 10px; }
.dot-green { background: var(--ice-green-deep); }
.dot-blue { background: var(--sky-blue); }
.dot-mix { background: var(--grad); }
.float-1 { top: 10%; left: 8%; animation: float 6s ease-in-out infinite; }
.float-2 { top: 40%; right: 4%; animation: float 7s ease-in-out infinite 0.8s; }
.float-3 { bottom: 6%; left: 22%; animation: float 6.5s ease-in-out infinite 1.6s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.scroll-hint { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 1; }
.mouse { display: block; width: 24px; height: 38px; border: 2px solid rgba(15, 43, 61, 0.35); border-radius: 14px; position: relative; }
.wheel { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; background: rgba(15, 43, 61, 0.5); border-radius: 2px; transform: translateX(-50%); animation: wheel 1.8s ease-in-out infinite; }
@keyframes wheel { 0%, 100% { opacity: 0.2; transform: translate(-50%, 0); } 50% { opacity: 1; transform: translate(-50%, 8px); } }

/* ---------- 通用区块 ---------- */
.section { padding: clamp(64px, 9vw, 110px) 0; position: relative; }
.section-tint { background: var(--bg-tint); }

.section-head { max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section-tag {
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em; color: var(--sky-blue-deep);
  margin-bottom: 10px;
}
.section-title { font-size: clamp(26px, 3.6vw, 40px); }
.section-sub { font-size: 17px; color: var(--ink-3); margin-bottom: 0; }

/* 授权代理商标识 */
.auth-note {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 18px; padding: 8px 16px;
  background: linear-gradient(135deg, rgba(127,227,196,.18), rgba(79,168,232,.18));
  border: 1px solid rgba(79,168,232,.35);
  border-radius: 999px;
  font-size: 14px; font-weight: 600; color: var(--sky-blue-deep);
}
.auth-note svg { flex: none; color: var(--sky-blue-deep); }

/* 入场动画：JS 添加 .is-visible */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 使命 / 愿景 / 价值观 ---------- */
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card h3 { font-size: 21px; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
}
.icon-green { color: var(--ice-green-deep); background: var(--ice-green-soft); }
.icon-blue { color: var(--sky-blue-deep); background: var(--sky-blue-soft); }
.icon-mix { color: var(--sky-blue-deep); background: var(--grad-soft); }
.card-lead { font-weight: 600; color: var(--ink); margin-bottom: 10px; }

/* ---------- 公司简介 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.timeline { margin-top: 26px; }
.timeline li { display: grid; grid-template-columns: 72px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.timeline li:first-child { border-top: 0; }
.timeline .year { font-weight: 800; color: var(--sky-blue-deep); }
.timeline .event { color: var(--ink-2); font-size: 15px; }

.about-visual { position: relative; height: 380px; display: grid; place-items: center; }
.orb { position: absolute; border-radius: 50%; filter: blur(6px); }
.orb-1 { width: 260px; height: 260px; background: radial-gradient(circle at 30% 30%, rgba(127, 227, 196, 0.95), rgba(127, 227, 196, 0.25)); }
.orb-2 { width: 200px; height: 200px; margin: -60px 0 0 120px; background: radial-gradient(circle at 30% 30%, rgba(79, 168, 232, 0.9), rgba(79, 168, 232, 0.2)); }
/* ---------- 产品与服务 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 22px; transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.product:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(79, 168, 232, 0.35); }
.product-thumb {
  width: 66px; height: 66px; border-radius: 18px; display: grid; place-items: center; margin-bottom: 18px;
}
.thumb-1 { color: var(--ice-green-deep); background: var(--ice-green-soft); }
.thumb-2 { color: var(--sky-blue-deep); background: var(--sky-blue-soft); }
.thumb-3 { color: var(--sky-blue-deep); background: var(--grad-soft); }
.thumb-4 { color: var(--ice-green-deep); background: linear-gradient(135deg, var(--ice-green-soft), #fff); }
.product h3 { font-size: 18px; }
.product p { font-size: 15px; }
.feature-list li { font-size: 14px; color: var(--ink-3); padding: 6px 0 6px 20px; position: relative; }
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: 14px; width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad);
}

.process {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 48px;
  counter-reset: step;
}
.process li {
  text-align: center; padding: 20px 10px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
}
.process .step {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--grad); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 8px;
}
.process p { margin: 0; font-weight: 600; color: var(--ink); font-size: 15px; }

/* ---------- 为什么选择我们 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; border-top: 3px solid transparent;
  background-image: linear-gradient(#fff, #fff), var(--grad);
  background-origin: border-box; background-clip: padding-box, border-box;
}
.why-item h3 { font-size: 18px; }
.why-item p { font-size: 15px; margin: 0; }

/* ---------- 品牌定位页（白皮书风格，配色同源、排版有别） ---------- */
/* 两套说法 · 同源 */
.pos-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pos-dual-card {
  position: relative; padding: 28px 26px 26px 30px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  border-left: 5px solid var(--sky-blue); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.pos-dual-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.pos-dual--inner { border-left-color: var(--ice-green); }
.pos-dual-tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .03em;
  color: var(--sky-blue-deep); margin-bottom: 14px;
}
.pos-dual--inner .pos-dual-tag { color: var(--ice-green-deep); }
.pos-dual-lead { font-size: 22px; line-height: 1.45; font-weight: 800; color: var(--ink); margin: 0 0 12px; }
.pos-dual-note { font-size: 14.5px; color: var(--ink-3); margin: 0; }
.pos-source-note {
  margin: 30px auto 0; max-width: 820px; padding: 16px 20px 16px 22px;
  font-size: 16px; color: var(--ink-2); line-height: 1.7;
  background: linear-gradient(135deg, rgba(127,227,196,.12), rgba(79,168,232,.12));
  border-radius: var(--radius); border-left: 4px solid var(--grad, var(--sky-blue));
}

/* 定位陈述 · 文档块 */
.pos-doc {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 40px 38px 32px;
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.pos-doc::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--ice-green), var(--sky-blue));
}
.pos-doc-ribbon {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: #fff;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
  background: linear-gradient(135deg, var(--ice-green), var(--sky-blue));
}
.pos-doc-text { font-size: 19px; line-height: 1.85; color: var(--ink); margin: 0; }
.pos-doc-text strong { color: var(--sky-blue-deep); }
.pos-doc-sign { margin: 22px 0 0; font-size: 14px; color: var(--ink-3); text-align: right; }

/* 为什么这样定位 · 对比 */
.pos-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pos-compare-card {
  position: relative; padding: 26px 26px 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--line); background: #fff;
}
.pos-compare--no { background: #fbfcfe; border-color: #e7edf3; }
.pos-compare--yes { border: 1px solid rgba(79,168,232,.35); background: linear-gradient(135deg, rgba(127,227,196,.10), rgba(79,168,232,.10)); }
.pos-compare-flag {
  display: block; font-size: 15px; font-weight: 800; margin-bottom: 12px;
  padding-bottom: 12px; border-bottom: 1px dashed var(--line);
}
.pos-compare--no .pos-compare-flag { color: #c0564f; }
.pos-compare--yes .pos-compare-flag { color: var(--sky-blue-deep); }
.pos-compare-card p { font-size: 15px; line-height: 1.75; color: var(--ink-2); margin: 0; }
.pos-compare-card strong { color: var(--ink); }

/* 通用表格（文化体系 / 目标客户） */
.pos-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.pos-table { width: 100%; border-collapse: collapse; background: #fff; min-width: 480px; }
.pos-table thead th {
  text-align: left; font-size: 14px; font-weight: 700; color: #fff; letter-spacing: .02em;
  padding: 14px 20px; background: linear-gradient(135deg, var(--ice-green-deep, #1f9e7e), var(--sky-blue-deep, #2b7fc4));
}
.pos-table tbody th {
  text-align: left; font-size: 15px; font-weight: 700; color: var(--ink);
  padding: 16px 20px; width: 30%; vertical-align: top; background: #f6fbfa;
  border-top: 1px solid var(--line);
}
.pos-table tbody td {
  font-size: 15px; color: var(--ink-2); padding: 16px 20px; line-height: 1.7;
  border-top: 1px solid var(--line); vertical-align: top;
}
.pos-table tbody tr:nth-child(even) th,
.pos-table tbody tr:nth-child(even) td { background: #fafcfe; }
.pos-table tbody th { border-right: 1px solid var(--line); }
.pos-table--3 tbody th { width: 22%; }

/* 我们是谁 / 我们不是谁 */
.pos-who { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pos-who-col {
  padding: 28px 28px 24px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff;
  box-shadow: var(--shadow-sm);
}
.pos-who--yes { border-top: 4px solid var(--ice-green); }
.pos-who--no { border-top: 4px solid #c9d3dc; }
.pos-who-title { font-size: 18px; margin: 0 0 16px; color: var(--ink); }
.pos-who--yes .pos-who-title { color: var(--ice-green-deep); }
.pos-who--no .pos-who-title { color: #8a96a3; }
.pos-who-list { list-style: none; margin: 0; padding: 0; }
.pos-who-list li {
  position: relative; padding: 11px 0 11px 32px; font-size: 15.5px; color: var(--ink-2);
  border-top: 1px dashed var(--line);
}
.pos-who-list li:first-child { border-top: none; }
.pos-who-list li::before {
  content: ""; position: absolute; left: 4px; top: 17px; width: 9px; height: 5px;
  border-left: 2px solid var(--ice-green); border-bottom: 2px solid var(--ice-green);
  transform: rotate(-45deg);
}
.pos-who--no .pos-who-list li::before {
  width: 11px; height: 2px; border: none; background: #c9d3dc; transform: rotate(0); top: 21px; border-radius: 2px;
}

/* 四层服务结构 · 步骤 */
.pos-steps { list-style: none; margin: 0; padding: 0; counter-reset: none; display: grid; gap: 18px; }
.pos-step {
  display: flex; gap: 22px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px 26px; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pos-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(79,168,232,.3); }
.pos-step-no {
  flex: none; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px;
  font-size: 22px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--ice-green), var(--sky-blue));
}
.pos-step-body h3 { font-size: 19px; margin: 2px 0 8px; color: var(--ink); }
.pos-step-body p { font-size: 15px; line-height: 1.7; color: var(--ink-2); margin: 0; }

@media (max-width: 860px) {
  .pos-dual { grid-template-columns: 1fr; }
  .pos-compare { grid-template-columns: 1fr; }
  .pos-who { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .pos-doc { padding: 32px 22px 26px; }
  .pos-doc-text { font-size: 17px; }
  .pos-step { flex-direction: column; gap: 14px; }
}

/* ---------- 客户评价 ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote {
  margin: 0; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--ice-green);
  border-radius: var(--radius); padding: 26px 24px;
}
.quote p { font-size: 16px; color: var(--ink); margin-bottom: 12px; }
.quote footer { font-size: 13px; color: var(--ink-3); }

/* ---------- FAQ ---------- */
.faq-layout { max-width: 900px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden; transition: box-shadow 0.2s ease;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 22px; background: transparent; border: 0; cursor: pointer;
  font-size: 16px; font-weight: 600; color: var(--ink); text-align: left;
  font-family: inherit;
}
.faq-q:hover { color: var(--sky-blue-deep); }
.faq-icon { position: relative; width: 18px; height: 18px; flex: 0 0 18px; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--sky-blue-deep); border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.faq-icon::before { left: 0; top: 8px; width: 18px; height: 2px; }
.faq-icon::after { left: 8px; top: 0; width: 2px; height: 18px; }
.faq-q[aria-expanded="true"] .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { padding: 0 22px 20px; }
.faq-a p { margin: 0; font-size: 15px; }

/* ---------- 联系我们 ---------- */
.section-contact { background: var(--grad-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info { margin-top: 24px; }
.contact-info li { display: grid; grid-template-columns: 68px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid rgba(15, 43, 61, 0.08); }
.contact-info li:first-child { border-top: 0; }
.ci-label { font-weight: 700; color: var(--ink); font-size: 14px; }

/* ---------- 企业邮箱签名卡（按设计稿规格） ---------- */
/* 规格：姓名16px深宝蓝 | 职务与公司一行14px | 联系方式13.5px中灰 */
/* 底部Slogan 13px科技青 | 左侧3px科技青竖线 | 不使用LOGO图片 */
.email-signature { margin-top: 30px; }
.es-tag {
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  color: var(--sky-blue-deep); margin: 0 0 12px;
}
.es-card {
  position: relative; background: #fff;
  border: 1px solid var(--line); border-left: 3px solid var(--sky-blue);
  border-radius: var(--radius-lg); padding: 24px 26px 22px 28px;
  box-shadow: var(--shadow-sm);
}
.es-body { max-width: 480px; }

/* 姓名 · 16px 深宝蓝 */
.es-name {
  font-size: 16px; font-weight: 800; color: #1a4a7a; margin: 0 0 4px;
  line-height: 1.4;
}

/* 职务与公司 · 同行 14px */
.es-title-row {
  font-size: 14px; color: var(--ink-2); margin: 0 0 8px; line-height: 1.5;
}
.es-sep {
  display: inline-block; margin: 0 6px; color: var(--ink-3); font-weight: 400;
}

/* 联系方式 · 13.5px 中灰 */
.es-contact {
  font-size: 13.5px; color: #777; margin: 0 0 4px; line-height: 1.7;
}

/* 底部 Slogan · 13px 科技青 */
.es-slogan {
  font-size: 13px; color: #0096a5; font-weight: 600; margin: 12px 0 0;
  line-height: 1.5; letter-spacing: .02em;
}


.contact-form {
  background: #fff; border: 1px solid #fff; border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow);
}
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.req { color: #e05252; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; font-size: 15px; font-family: inherit; color: var(--ink);
  background: #fbfdfd; border: 1px solid var(--line); border-radius: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--sky-blue); box-shadow: 0 0 0 3px rgba(79, 168, 232, 0.16);
}
.field textarea { resize: vertical; min-height: 96px; }
.field.has-error input, .field.has-error textarea { border-color: #e05252; }
.error { margin: 6px 0 0; font-size: 13px; color: #d33b3b; min-height: 0; }
.form-note { margin: 12px 0 0; font-size: 14px; font-weight: 600; text-align: center; }
.form-note.ok { color: var(--ice-green-deep); }
.form-note.err { color: #d33b3b; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0d2635; color: #cfe3ec; padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.footer-logo { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.footer-slogan { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; margin-bottom: 12px; }
.footer-desc { font-size: 14px; color: #9fbccb; margin: 0; }
.site-footer h3 { font-size: 16px; color: #fff; margin-bottom: 14px; }
.site-footer ul li { padding: 5px 0; }
.site-footer a { color: #cfe3ec; font-size: 14px; }
.site-footer a:hover { color: var(--ice-green); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding-top: 20px; font-size: 13px; color: #8fadc0;
}
.footer-bottom p { margin: 0; color: inherit; }
.footer-bottom .footer-auth {
  flex-basis: 100%; font-size: 12px; color: #7e9bb0; line-height: 1.6;
  padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.12); margin-bottom: 14px;
}
.footer-bottom .icp { flex-basis: 100%; font-size: 12px; color: #7e9bb0; margin-top: 2px; }
.footer-bottom .icp a { color: inherit; text-decoration: none; }
.footer-bottom .icp a:hover { text-decoration: underline; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .mvv-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { height: 300px; order: -1; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .quote-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  /* 移动端导航 */
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 20px 22px; box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
  }
  .primary-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav ul li { border-bottom: 1px solid var(--line); }
  .primary-nav ul li a { display: block; padding: 14px 2px; font-size: 16px; }
  .primary-nav ul li a::after { display: none; }
  .primary-nav .btn { margin-top: 16px; }
  .process { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .hero { padding: 48px 0 80px; min-height: auto; }
  .hero-stats { gap: 26px; }
  .hero-stats dd { font-size: 28px; }
  .product-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .glass-card { width: 180px; padding: 14px 16px; }
  .hero-visual { height: 260px; }
  .contact-info li { grid-template-columns: 60px 1fr; }
}

/* 尊重系统「减少动效」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;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============ 产品介绍（基于产品资料新增） ============ */
.block-title {
  font-size: clamp(20px, 2.6vw, 28px);
  margin: clamp(40px, 6vw, 64px) 0 24px;
  text-align: center;
}

/* 产品定位 hero */
.product-hero {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
  background: var(--grad-soft); border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px); margin-bottom: 8px;
}
.ph-title { font-size: clamp(22px, 3vw, 30px); }
.ph-points { margin: 18px 0 0; display: grid; gap: 10px; }
.ph-points li { position: relative; padding-left: 26px; color: var(--ink-2); font-size: 15px; }
.ph-points li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--grad);
}
.ph-forms-label { font-size: 13px; font-weight: 700; color: var(--sky-blue-deep); margin: 24px 0 12px; letter-spacing: 0.04em; }
.ph-forms { display: flex; flex-wrap: wrap; gap: 10px; }
.ph-form {
  font-size: 13px; font-weight: 600; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
}
.ph-visual { position: relative; height: 320px; }

/* 核心能力 */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* 热门场景 */
.scene-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.scene {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.scene:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(79, 168, 232, .35); }
.scene-num {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px;
  background: var(--grad); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 12px;
}
.scene h3 { font-size: 16px; margin-bottom: 6px; }
.scene p { font-size: 13px; margin: 0; color: var(--ink-3); }

/* 行业案例 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
/* 行业案例：可点击展开卡片 */
.case {
  display: block;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.case:hover { box-shadow: var(--shadow); }
.case.is-open { grid-column: 1 / -1; }
.case-toggle {
  display: flex; align-items: center; gap: 14px; width: 100%;
  text-align: left; cursor: pointer; font: inherit; color: var(--ink);
  background: #fff; border: 0; padding: 18px 20px;
}
.case-toggle:focus-visible { outline: 2px solid var(--sky-blue); outline-offset: -2px; }
.case-num {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; color: #fff; background: var(--grad);
  box-shadow: var(--shadow-sm);
}
.case-head { flex: 1; min-width: 0; }
.case-name { display: block; font-size: 17px; font-weight: 700; color: var(--ink); }
.case-summary { display: block; margin-top: 3px; font-size: 13.5px; line-height: 1.5; color: var(--ink-3); }
.case-chevron {
  flex: none; width: 9px; height: 9px; margin: auto 2px;
  border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: rotate(45deg); transition: transform .25s ease;
}
.case-toggle[aria-expanded="true"] .case-chevron { transform: rotate(-135deg); }
.case-panel { padding: 4px 20px 22px; border-top: 1px solid var(--line); }
.case-block { margin-top: 18px; }
.case-h {
  font-size: 14px; font-weight: 700; color: var(--sky-blue-deep);
  margin: 0 0 10px; padding-left: 11px; position: relative;
}
.case-h::before {
  content: ""; position: absolute; left: 0; top: 3px; bottom: 3px;
  width: 3px; border-radius: 2px; background: var(--ice-green);
}
.case-list { margin: 0; padding-left: 18px; }
.case-list li { font-size: 14px; line-height: 1.65; color: var(--ink-2); margin: 7px 0; }
.case-list strong { color: var(--ink); font-weight: 600; }
.case-quote {
  margin: 0; padding: 14px 16px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(127,227,196,.16), rgba(79,168,232,.16));
  font-size: 14px; line-height: 1.7; color: var(--ink-2);
  border-left: 3px solid var(--sky-blue);
}
.case-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.case-table th, .case-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.case-table thead th { background: var(--sky-blue-deep); color: #fff; font-weight: 700; }
.case-table tbody tr:last-child td { border-bottom: 0; }
.case-table tbody tr:nth-child(even) { background: #f6fbfb; }
.case-table td:last-child { color: var(--sky-blue-deep); font-weight: 600; white-space: nowrap; }

/* 首页产品入口按钮 */
.product-enter { margin-top: 26px; display: inline-flex; }

/* 产品页底部收口 CTA */
.product-cta {
  margin-top: clamp(40px, 6vw, 64px);
  text-align: center;
  background: linear-gradient(135deg, rgba(127,227,196,.16), rgba(79,168,232,.16));
  border: 1px solid rgba(79,168,232,.3);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 52px) 24px;
}
.product-cta h3 { font-size: clamp(20px, 2.6vw, 28px); margin-bottom: 10px; }
.product-cta p { color: var(--ink-3); max-width: 560px; margin: 0 auto 24px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* 优势（why）改为 3 列以容纳 6 项 */
.why-grid { grid-template-columns: repeat(3, 1fr); }

/* 产品模块响应式 */
@media (max-width: 1024px) {
  .product-hero { grid-template-columns: 1fr; }
  .ph-visual { height: 260px; order: -1; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cap-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
}

/* ---------- 公司简介页：行为准则（十大原则） ---------- */
/* 两大组左右并排，各用彩色框框起来 */
.principles-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  align-items: start;
}
.principle-group {
  margin: 0; padding: 24px 22px 26px;
  border: 1.5px solid var(--ice-green); border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(127,227,196,.10), rgba(127,227,196,.02));
  box-shadow: var(--shadow-sm);
}
.principle-group--outer {
  border-color: var(--sky-blue);
  background: linear-gradient(160deg, rgba(79,168,232,.10), rgba(79,168,232,.02));
}

/* 分组头：图标 + 标题（融入色框，不再单独白卡） */
.principle-group-head {
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
  padding: 0; border: none; background: none; box-shadow: none;
}
.group-icon {
  flex: none; width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 14px; color: #fff;
  background: linear-gradient(135deg, var(--ice-green), #54cba6);
}
.principle-group--outer .group-icon { background: linear-gradient(135deg, #6fb8ee, var(--sky-blue)); }
.group-head-text { display: flex; flex-direction: column; gap: 3px; }
.group-tag {
  font-size: 18px; font-weight: 800; letter-spacing: .02em; color: #1f9e7e;
}
.principle-group--outer .group-tag { color: #2b7fc4; }
.group-sub { font-size: 14px; color: var(--ink-3); margin: 0; }

/* 框内原则：单列紧凑卡片 */
.principle-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.principle-card {
  position: relative; overflow: hidden;
  background: rgba(255,255,255,.72); border: none; border-radius: 16px;
  padding: 18px 18px 14px; box-shadow: none;
  transition: transform .2s ease, background .2s ease;
}
.principle-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--ice-green), #54cba6);
}
.principle-group--outer .principle-card::before { background: linear-gradient(180deg, #6fb8ee, var(--sky-blue)); }
.principle-card:hover { transform: translateY(-3px); background: #fff; }
.principle-card-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.principle-num {
  flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  font-size: 17px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--ice-green), #54cba6);
}
.principle-group--outer .principle-num { background: linear-gradient(135deg, #6fb8ee, var(--sky-blue)); }
.principle-card h3 { font-size: 18px; margin: 0; line-height: 1.3; }
.principle-list { list-style: none; margin: 0; padding: 0; }
.principle-list li {
  position: relative; padding: 7px 0 7px 22px; font-size: 14px; color: var(--ink-2);
  border-top: 1px dashed var(--line);
}
.principle-list li:first-child { border-top: none; }
.principle-list li::before {
  content: ""; position: absolute; left: 2px; top: 14px; width: 7px; height: 7px;
  border-right: 2px solid var(--sky-blue); border-bottom: 2px solid var(--sky-blue);
  transform: rotate(-45deg);
}
.principle-group--inner .principle-list li::before { border-color: var(--ice-green); }
@media (max-width: 860px) {
  .principles-row { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- 公司简介页：品牌故事 ---------- */
#story .story-lead {
  position: relative; margin: 0 0 clamp(34px, 5vw, 50px);
  padding: 6px 0 6px 28px;
  font-size: clamp(18px, 2.4vw, 22px); line-height: 1.95; color: var(--ink-2);
}
#story .story-lead::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px;
  border-radius: 4px; background: linear-gradient(180deg, var(--ice-green), var(--sky-blue));
}
#story .story-lead em { font-style: normal; font-weight: 800; color: var(--sky-blue-deep); }
#story .story-lead strong { color: var(--ink); font-weight: 800; }

.story-grid {
  display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.story-copy p { font-size: 17px; line-height: 1.95; color: var(--ink-2); margin: 0 0 18px; }
.story-copy p:last-child { margin-bottom: 0; }

.story-aside { display: flex; flex-direction: column; gap: 14px; }
.story-chip {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 20px; border-radius: 16px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.story-chip:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.story-chip:nth-child(1) { border-left: 4px solid var(--ice-green); }
.story-chip:nth-child(2) { border-left: 4px solid var(--sky-blue); }
.story-chip:nth-child(3) { border-left: 4px solid var(--ice-green-deep); }
.chip-num { flex: none; font-size: 30px; font-weight: 800; color: var(--sky-blue-deep); line-height: 1; }
.chip-num small { font-size: 14px; font-weight: 600; margin-left: 2px; color: var(--ink-3); }
.chip-key {
  flex: none; width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 12px; font-size: 18px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--ice-green), var(--sky-blue));
}
.story-chip:nth-child(3) .chip-key { background: linear-gradient(135deg, #6fb8ee, var(--sky-blue)); }
.chip-text { font-size: 14.5px; color: var(--ink-2); }

.story-ethic {
  margin-top: clamp(36px, 5vw, 52px); text-align: center;
  padding: clamp(32px, 5vw, 48px) 24px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(127,227,196,.18), rgba(79,168,232,.18));
  border: 1px solid rgba(79,168,232,.3);
}
.ethic-label { font-size: 14px; letter-spacing: .12em; color: var(--ink-3); margin: 0 0 10px; }
.ethic-words {
  font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: .08em; margin: 0 0 14px;
  background: linear-gradient(135deg, var(--ice-green), var(--sky-blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ethic-desc { font-size: 15px; color: var(--ink-2); max-width: 620px; margin: 0 auto; line-height: 1.8; }

@media (max-width: 860px) {
  .story-grid { grid-template-columns: 1fr; }
}

/* 品牌定位：使命愿景下的子模块外框 */
.pos-module { border-top: 1px solid var(--line); }

/* 首页使命愿景入口按钮区 */
.mission-gateway .container { text-align: center; }
.mission-gateway .section-sub { max-width: 560px; margin-left: auto; margin-right: auto; }
.btn-lg { padding: 14px 32px; font-size: 17px; }
.mission-gateway .btn-lg { margin-top: 22px; }

/* ---------- 品牌 Logo 应用 ---------- */
.footer-logo-img { display: block; height: 40px; width: auto; }
.es-logo-img { display: block; height: 34px; width: auto; margin-bottom: 12px; }
.about-logo {
  position: relative; z-index: 1; text-align: center;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 28px 34px; box-shadow: var(--shadow);
}
.about-logo img { display: block; height: 140px; width: auto; margin: 0 auto 14px; }
.about-logo p { margin: 0; font-size: 14px; color: var(--ink-3); letter-spacing: .02em; }
@media (max-width: 640px) {
  .brand-logo { height: 32px; }
  .about-logo img { height: 108px; }
}

/* 行业案例：引导提示 */
.block-hint { margin: 4px 0 24px; font-size: 14px; color: var(--ink-3); text-align: center; }

/* 行业案例：窄屏适配 */
@media (max-width: 640px) {
  .case-toggle { padding: 16px; gap: 12px; }
  .case-panel { padding: 4px 16px 18px; }
  .case-num { width: 30px; height: 30px; font-size: 14px; }
  .case-table { font-size: 12.5px; }
  .case-table th, .case-table td { padding: 8px 8px; }
  .case-table td:last-child { white-space: normal; }
}

/* 打印样式 */
@media print {
  .site-header, .scroll-hint, .contact-form { display: none; }
  body { color: #000; }
}

/* 实践案例 / 客户指南 */
.case-guide { background: #fff; }
.case-guide .section-tag { color: #38C9A4; }
.case-guide-card {
  display: flex; align-items: center; gap: 20px;
  margin-top: 28px; padding: 24px 28px;
  background: linear-gradient(135deg, #E8FBF5 0%, #E9F4FD 100%);
  border: 1px solid rgba(79,168,232,.20);
  border-radius: 16px;
  flex-wrap: wrap;
}
.case-guide .cg-icon {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #7FE3C4, #4FA8E8); color: #fff;
}
.case-guide .cg-text { flex: 1 1 240px; }
.case-guide .cg-text h3 { margin: 0 0 6px; font-size: 18px; color: #1c2b3a; }
.case-guide .cg-text p { margin: 0; color: #5b6b7b; font-size: 14px; line-height: 1.6; }
.case-guide .btn { margin-left: auto; }
@media (max-width: 640px) {
  .case-guide-card { flex-direction: column; align-items: flex-start; }
  .case-guide .btn { margin-left: 0; width: 100%; text-align: center; }
}