/* ==========================================================================
   企步快企业服务 · qbk-enterprise
   深蓝商务 · 一页式企业服务落地页
   说明：所有颜色显式声明，不依赖平台底座样式（ui-base.js 会给 h1~h6 上色、
        body 默认浅灰底），因此在 .qbk 作用域内全部重新定义。
   ========================================================================== */

:root {
  --navy-900: #071426;
  --navy-800: #0b1f3a;
  --navy-700: #10294a;
  --navy-600: #16345c;
  --ink: #10233d;
  --ink-2: #1d3453;
  --body: #44586f;
  --muted: #6c8098;
  --line: #e4eaf3;
  --line-2: #d6dfeb;
  --bg: #f5f7fb;
  --bg-2: #eef3fa;
  --white: #ffffff;
  --brand: #1b58c8;
  --brand-2: #2f74e6;
  --brand-soft: #eaf1ff;
  --accent: #ef7d13;
  --accent-2: #f7a03c;
  --accent-soft: #fff3e6;
  --gold: #ffca7a;
  --ok: #1f9d68;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(11, 31, 58, 0.06);
  --shadow: 0 10px 30px rgba(11, 31, 58, 0.09);
  --shadow-lg: 0 22px 60px rgba(11, 31, 58, 0.16);
  --wrap: 1200px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body.qbk {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.1px;
  -webkit-font-smoothing: antialiased;
}

.qbk img { max-width: 100%; height: auto; display: block; }
.qbk a { color: var(--brand); text-decoration: none; }
.qbk a:hover { color: var(--brand-2); }
.qbk p { margin: 0 0 12px; }
.qbk ul, .qbk ol { margin: 0; padding: 0; list-style: none; }

.qbk h1, .qbk h2, .qbk h3, .qbk h4, .qbk h5, .qbk h6 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
}
.qbk h1 { font-size: 40px; }
.qbk h2 { font-size: 30px; }
.qbk h3 { font-size: 18px; }
.qbk h4 { font-size: 16px; }

.qbk .wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.qbk .narrow { max-width: 900px; }
.qbk .skip { position: absolute; left: -9999px; top: 0; background: var(--white); color: var(--navy-800); padding: 10px 16px; z-index: 999; border-radius: 0 0 8px 0; }
.qbk .skip:focus { left: 0; }

/* ---------- 按钮 ---------- */
.qbk .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.qbk .btn-primary {
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 100%);
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(239, 125, 19, 0.28);
}
.qbk .btn-primary:hover { color: #ffffff; transform: translateY(-2px); box-shadow: 0 16px 32px rgba(239, 125, 19, 0.34); }
.qbk .btn-ghost { border-color: rgba(255, 255, 255, 0.38); color: #ffffff; background: rgba(255, 255, 255, 0.06); }
.qbk .btn-ghost:hover { color: #ffffff; background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.6); }
.qbk .btn-outline { border-color: var(--line-2); color: var(--navy-800); background: var(--white); box-shadow: var(--shadow-sm); }
.qbk .btn-outline:hover { color: var(--brand); border-color: var(--brand); }
.qbk .btn-block { width: 100%; }
.qbk .btn-head { height: 42px; padding: 0 20px; font-size: 15px; }

/* ---------- 顶部通知条 ---------- */
.qbk .notice-bar {
  background: linear-gradient(90deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: #d8e3f4;
  font-size: 13px;
  line-height: 1.5;
}
.qbk .notice-in { display: flex; align-items: center; gap: 10px; min-height: 38px; padding-top: 6px; padding-bottom: 6px; }
.qbk .notice-badge {
  flex: none;
  padding: 1px 9px;
  border-radius: 999px;
  background: rgba(247, 160, 60, 0.18);
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.qbk .notice-txt { color: #cfdcef; }

/* ---------- 页头 ---------- */
.qbk .site-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(140%) blur(8px);
}
.qbk .head-in { display: flex; align-items: center; gap: 22px; min-height: 78px; }

.qbk .brand { display: flex; align-items: center; gap: 11px; flex: none; color: var(--navy-800); }
.qbk .brand:hover { color: var(--navy-800); }
.qbk .brand-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy-700) 0%, var(--navy-800) 100%);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(11, 31, 58, 0.24);
}
.qbk .brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.qbk .brand-text strong { font-size: 19px; font-weight: 700; color: var(--navy-800); letter-spacing: 0.4px; }
.qbk .brand-text em { font-style: normal; font-size: 11.5px; color: var(--muted); letter-spacing: 0.6px; }

/* ---------- 导航 ---------- */
.qbk .nav { flex: 1 1 auto; display: flex; align-items: center; justify-content: center; }
.qbk .nav-list { display: flex; align-items: center; gap: 20px; }
.qbk .nav-list a {
  display: inline-block;
  padding: 6px 0;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.qbk .nav-list a:hover { color: var(--brand); border-bottom-color: var(--brand); }
.qbk .nav-list a.now { color: var(--brand); border-bottom-color: var(--brand); }
.qbk .nav-foot { display: none; }
.qbk .nav-mask { display: none; }

/* ---------- 页头右侧 ---------- */
.qbk .head-side { display: flex; align-items: center; gap: 14px; flex: none; margin-left: auto; }
.qbk .head-tel { display: flex; align-items: center; gap: 8px; color: var(--navy-800); }
.qbk .head-tel:hover { color: var(--brand); }
.qbk .head-tel-ico {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
}
.qbk .head-tel-txt { display: flex; flex-direction: column; line-height: 1.2; }
.qbk .head-tel-txt em { font-style: normal; font-size: 11px; color: var(--muted); }
.qbk .head-tel-txt strong { font-size: 17px; font-weight: 700; letter-spacing: 0.3px; }

.qbk .burger {
  display: none;
  width: 42px; height: 42px;
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--white);
  cursor: pointer;
}
.qbk .burger span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--navy-800); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }

/* ---------- 首屏 Hero ---------- */
.qbk .hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-600) 48%, var(--navy-800) 100%);
  color: #ffffff;
}
.qbk .hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 420px at 82% 8%, rgba(47, 116, 230, 0.34) 0%, rgba(47, 116, 230, 0) 70%),
    radial-gradient(560px 380px at 6% 92%, rgba(247, 160, 60, 0.16) 0%, rgba(247, 160, 60, 0) 72%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 96px);
}
.qbk .hero-in {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 54px;
  align-items: center;
  padding-top: 74px;
  padding-bottom: 82px;
}
.qbk .hero-main { max-width: 620px; }
.qbk .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: #cfe0f7;
  font-size: 13px;
  letter-spacing: 0.6px;
}
.qbk .hero-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 4px rgba(247, 160, 60, 0.18); }
.qbk .hero-title {
  margin: 0 0 20px;
  color: #ffffff;
  font-size: 52px;
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.qbk .hero-hl { color: var(--gold); }
.qbk .hero-sub { margin: 0 0 22px; max-width: 96%; color: #c9d8ee; font-size: 17px; line-height: 1.75; }
.qbk .hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 0 0 28px; }
.qbk .hero-points li { position: relative; padding-left: 22px; color: #dbe6f6; font-size: 14.5px; }
.qbk .hero-points li::before {
  content: "";
  position: absolute;
  left: 2px; top: 8px;
  width: 9px; height: 5px;
  border-left: 2px solid var(--accent-2);
  border-bottom: 2px solid var(--accent-2);
  transform: rotate(-45deg);
}
.qbk .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.qbk .hero-note { margin: 0; color: #9db4d3; font-size: 13px; }

/* ---------- 留资表单 ---------- */
.qbk .hero-card {
  padding: 28px 26px 24px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  color: var(--body);
}
.qbk .form-title { margin: 0 0 6px; color: var(--navy-800); font-size: 21px; font-weight: 700; }
.qbk .form-sub { margin: 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.qbk .lead-form { display: block; }
.qbk .field { display: block; margin-bottom: 14px; }
.qbk .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qbk .field-label { display: block; margin-bottom: 6px; color: var(--ink-2); font-size: 13px; font-weight: 600; }
.qbk .req { color: var(--accent); font-weight: 700; }
.qbk .field input,
.qbk .field select,
.qbk .field textarea {
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: #fbfcfe;
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}
.qbk .field textarea { resize: vertical; }
.qbk .field input::placeholder,
.qbk .field textarea::placeholder { color: #9aabbd; }
.qbk .field input:focus,
.qbk .field select:focus,
.qbk .field textarea:focus {
  border-color: var(--brand-2);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(47, 116, 230, 0.14);
}
.qbk .lead-form .btn { margin-top: 4px; }
.qbk .form-tip { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.qbk .form-tip a { color: var(--brand); text-decoration: underline; }
.qbk .form-done { margin: 10px 0 0; padding: 8px 12px; border-radius: 8px; background: #eaf8f1; color: var(--ok); font-size: 13px; }

/* 深色背景表单 */
.qbk .lead-form-dark .field-label { color: #d3e0f2; }
.qbk .lead-form-dark .field input,
.qbk .lead-form-dark .field select {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}
.qbk .lead-form-dark .field input::placeholder { color: #93a8c4; }
.qbk .lead-form-dark .btn-primary { background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 100%); color: #ffffff; }
.qbk .form-tip-dark { color: #a8bcd8; }
.qbk .form-tip-dark a { color: #cfe0f7; }

/* ---------- 事实条 ---------- */
.qbk .facts { background: var(--white); border-bottom: 1px solid var(--line); }
.qbk .facts-in {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding-top: 26px;
  padding-bottom: 26px;
}
.qbk .fact { display: flex; align-items: baseline; gap: 10px; padding: 4px 22px; border-left: 1px solid var(--line); }
.qbk .fact:first-child { border-left: 0; padding-left: 0; }
.qbk .fact strong { color: var(--navy-800); font-size: 30px; font-weight: 700; line-height: 1; letter-spacing: -0.5px; flex: 0 0 auto; white-space: nowrap; }
.qbk .fact span { color: var(--muted); font-size: 13.5px; line-height: 1.5; }

/* ---------- 区块通用 ---------- */
.qbk .sec { padding: 88px 0; }
.qbk .sec-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.qbk .sec-head-left { margin-left: 0; text-align: left; max-width: 660px; }
.qbk .sec-title { margin: 0 0 14px; color: var(--ink); font-size: 34px; line-height: 1.32; letter-spacing: -0.3px; }
.qbk .sec-title-light { color: #ffffff; }
.qbk .sec-sub { margin: 0; color: var(--body); font-size: 16px; line-height: 1.75; }
.qbk .sec-sub-light { color: #b9cbe4; }
.qbk .sec-note { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.qbk .sec-more { margin: 36px 0 0; text-align: center; }
.qbk .kicker {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.qbk .kicker-light { color: var(--accent-2); }

/* ---------- 关于我们 ---------- */
.qbk .sec-about { background: var(--white); }
.qbk .about-in { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); gap: 64px; align-items: center; }
.qbk .about-media { position: relative; min-height: 340px; }
.qbk .about-media-card {
  position: absolute;
  inset: 0 44px 34px 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  padding: 30px;
  border-radius: 22px;
  background:
    radial-gradient(420px 260px at 78% 12%, rgba(47, 116, 230, 0.42) 0%, rgba(47, 116, 230, 0) 70%),
    linear-gradient(140deg, var(--navy-700) 0%, var(--navy-900) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.qbk .about-media-card::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 26px rgba(255, 255, 255, 0.05), 0 0 0 60px rgba(255, 255, 255, 0.03);
}
.qbk .about-media-num { font-size: 76px; font-weight: 700; line-height: 0.95; color: var(--gold); letter-spacing: -2px; }
.qbk .about-media-txt { font-size: 15px; color: #cddcf0; line-height: 1.6; }
.qbk .about-media-tag {
  position: absolute;
  right: 0; bottom: 0;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--white);
  color: var(--navy-800);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
}
.qbk .about-p { margin: 0 0 22px; color: var(--body); font-size: 16px; line-height: 1.85; }
.qbk .about-list { display: grid; gap: 14px; margin: 0 0 24px; }
.qbk .about-list li {
  display: grid;
  grid-template-columns: 158px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand-2);
  border-radius: 12px;
  background: #fafcff;
}
.qbk .about-list strong { color: var(--navy-800); font-size: 15px; }
.qbk .about-list span { color: var(--body); font-size: 14px; line-height: 1.7; }
.qbk .link-more { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); font-size: 15px; font-weight: 600; }
.qbk .link-more:hover { gap: 10px; }

/* ---------- 十二项业务 ---------- */
.qbk .sec-svc { background: linear-gradient(180deg, var(--bg) 0%, #ffffff 100%); }
.qbk .svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.qbk .svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.qbk .svc-card:hover { transform: translateY(-4px); border-color: #c3d4ef; box-shadow: var(--shadow); color: var(--ink); }
.qbk .svc-ico {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(140deg, #eef4ff 0%, #dfe9fd 100%);
  color: var(--brand);
  transition: background 0.2s ease, color 0.2s ease;
}
.qbk .svc-card:hover .svc-ico { background: linear-gradient(140deg, var(--brand) 0%, var(--navy-700) 100%); color: #ffffff; }
.qbk .svc-card-body { display: block; }
.qbk .svc-title { display: block; margin-bottom: 6px; color: var(--ink); font-size: 18px; font-weight: 700; }
.qbk .svc-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: #5a6e87; font-size: 13.5px; line-height: 1.7; }
.qbk .svc-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 4px;
  color: var(--brand);
  font-size: 13.5px;
  font-weight: 600;
}
.qbk .svc-card:hover .svc-go svg { transform: translateX(3px); }
.qbk .svc-go svg { transition: transform 0.2s ease; }

/* ---------- 为什么选我们 ---------- */
.qbk .sec-why {
  position: relative;
  background: linear-gradient(150deg, var(--navy-800) 0%, var(--navy-700) 55%, var(--navy-900) 100%);
  color: #ffffff;
  overflow: hidden;
}
.qbk .sec-why::before {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 116, 230, 0.28) 0%, rgba(47, 116, 230, 0) 70%);
}
.qbk .why-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.qbk .why-item {
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.055);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.qbk .why-item:hover { background: rgba(255, 255, 255, 0.09); border-color: rgba(255, 255, 255, 0.24); transform: translateY(-3px); }
.qbk .why-ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(247, 160, 60, 0.16);
  color: var(--accent-2);
}
.qbk .why-item h3 { margin: 0 0 8px; color: #ffffff; font-size: 18px; }
.qbk .why-item p { margin: 0; color: #b7c9e2; font-size: 14px; line-height: 1.75; }

/* ---------- 五步流程 ---------- */
.qbk .sec-process { background: var(--white); }
.qbk .flow { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.qbk .flow::before {
  content: "";
  position: absolute;
  left: 4%; right: 4%; top: 46px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 8px, transparent 8px 16px);
}
.qbk .flow-step {
  position: relative;
  padding: 0 18px 22px;
  text-align: left;
}
.qbk .flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  margin-bottom: 18px;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  background: var(--white);
  color: var(--brand);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}
.qbk .flow-step:nth-child(1) .flow-num,
.qbk .flow-step:last-child .flow-num { background: linear-gradient(140deg, var(--navy-700) 0%, var(--navy-900) 100%); border-color: transparent; color: #ffffff; }
.qbk .flow-step h3 { margin: 0 0 8px; color: var(--ink); font-size: 17px; }
.qbk .flow-step p { margin: 0 0 12px; color: var(--body); font-size: 13.5px; line-height: 1.7; }
.qbk .flow-out {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- 客户评价 ---------- */
.qbk .sec-quote { background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%); }
.qbk .quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.qbk .quote-card {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 28px 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.qbk .quote-mark {
  position: absolute;
  right: 22px; top: 8px;
  color: #e2eaf6;
  font-size: 64px;
  line-height: 1;
  font-family: Georgia, "Times New Roman", serif;
}
.qbk .quote-text { margin: 0 0 20px; color: var(--ink-2); font-size: 15px; line-height: 1.85; }
.qbk .quote-by { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line); }
.qbk .quote-avatar {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
}
.qbk .quote-by strong { color: var(--navy-800); font-size: 14px; font-weight: 600; }

/* ---------- FAQ ---------- */
.qbk .sec-faq { background: var(--white); }
.qbk .faq-wrap { max-width: 900px; }
.qbk .faq-list { display: grid; gap: 12px; }
.qbk .faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfcfe;
  overflow: hidden;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.qbk .faq-item[open] { border-color: #c3d4ef; background: var(--white); box-shadow: var(--shadow-sm); }
.qbk .faq-q {
  position: relative;
  display: block;
  padding: 18px 56px 18px 22px;
  color: var(--navy-800);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}
.qbk .faq-q::-webkit-details-marker { display: none; }
.qbk .faq-q::after {
  content: "";
  position: absolute;
  right: 22px; top: 50%;
  width: 10px; height: 10px;
  margin-top: -6px;
  border-right: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}
.qbk .faq-item[open] .faq-q::after { transform: rotate(-135deg); margin-top: -3px; }
.qbk .faq-a { padding: 0 22px 20px; color: var(--body); font-size: 14.5px; line-height: 1.8; }

/* ---------- 底部 CTA ---------- */
.qbk .cta {
  position: relative;
  overflow: hidden;
  padding: 76px 0 80px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 60%, var(--navy-800) 100%);
  color: #ffffff;
}
.qbk .cta-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(620px 340px at 12% 10%, rgba(47, 116, 230, 0.3) 0%, rgba(47, 116, 230, 0) 70%),
    radial-gradient(520px 320px at 88% 96%, rgba(247, 160, 60, 0.16) 0%, rgba(247, 160, 60, 0) 72%);
}
.qbk .cta-in {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 0.95fr) 188px;
  gap: 42px;
  align-items: center;
}
.qbk .cta-title { margin: 0 0 14px; color: #ffffff; font-size: 32px; line-height: 1.35; letter-spacing: -0.3px; }
.qbk .cta-sub { margin: 0 0 24px; color: #b9cbe4; font-size: 15px; line-height: 1.75; }
.qbk .cta-tel { display: inline-flex; align-items: center; gap: 14px; color: #ffffff; }
.qbk .cta-tel:hover { color: #ffffff; }
.qbk .cta-tel-ico {
  width: 52px; height: 52px; flex: none;
  display: grid; place-items: center;
  border-radius: 16px;
  background: rgba(247, 160, 60, 0.18);
  color: var(--accent-2);
}
.qbk .cta-tel-txt { display: flex; flex-direction: column; line-height: 1.35; }
.qbk .cta-tel-txt em { font-style: normal; color: #9db4d3; font-size: 12px; letter-spacing: 1px; }
.qbk .cta-tel-txt strong { color: #ffffff; font-size: 29px; font-weight: 700; letter-spacing: 0.5px; }
.qbk .cta-tel-time { color: #9db4d3; font-size: 12.5px; }
.qbk .cta-form {
  padding: 24px 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
}
.qbk .cta-form .field { margin-bottom: 12px; }
.qbk .cta-form .btn { height: 48px; }

/* 二维码占位（纯 CSS，正式站点可在素材库替换为真实二维码图片） */
.qbk .cta-qr { text-align: center; }
.qbk .qr-box {
  position: relative;
  width: 148px; height: 148px;
  margin: 0 auto 12px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}
.qbk .qr-corner {
  position: absolute;
  width: 40px; height: 40px;
  border: 5px solid var(--navy-800);
  border-radius: 6px;
}
.qbk .qr-tl { left: 12px; top: 12px; }
.qbk .qr-tr { right: 12px; top: 12px; }
.qbk .qr-bl { left: 12px; bottom: 12px; }
.qbk .qr-dot { position: absolute; width: 12px; height: 12px; border-radius: 3px; background: var(--navy-700); }
.qbk .qr-d1 { left: 62px; top: 20px; } .qbk .qr-d2 { left: 96px; top: 46px; } .qbk .qr-d3 { left: 20px; top: 62px; }
.qbk .qr-d4 { left: 62px; top: 62px; } .qbk .qr-d5 { left: 96px; top: 96px; } .qbk .qr-d6 { left: 62px; top: 118px; }
.qbk .qr-txt { margin: 0; color: #c6d6ec; font-size: 13px; line-height: 1.6; }
.qbk .qr-txt em { display: block; font-style: normal; color: #8fa6c4; font-size: 11px; }

/* ---------- 内页头 ---------- */
.qbk .page-hero {
  padding: 44px 0 46px;
  background: linear-gradient(150deg, var(--navy-800) 0%, var(--navy-600) 60%, var(--navy-700) 100%);
  color: #ffffff;
}
.qbk .page-hero-in { position: relative; }
.qbk .page-title { margin: 6px 0 12px; color: #ffffff; font-size: 38px; line-height: 1.3; letter-spacing: -0.4px; }
.qbk .page-lead { margin: 0; max-width: 780px; color: #c5d5ea; font-size: 16px; line-height: 1.8; }
.qbk .page-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0; color: #a9bfd9; font-size: 13.5px; }
.qbk .meta-sep { color: #7d94b3; }
.qbk .meta-tag { padding: 2px 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); color: #d6e3f5; font-size: 12.5px; }

/* 面包屑 */
.qbk .crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: #93aac8; font-size: 13px; }
.qbk .crumb a { color: #b9cbe4; }
.qbk .crumb a:hover { color: #ffffff; }
.qbk .crumb-sep { color: #6d84a4; }
.qbk .crumb-now { color: #dbe6f6; }

/* 业务详情头 */
.qbk .detail-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 22px; align-items: start; }
.qbk .detail-ico {
  width: 66px; height: 66px;
  display: grid; place-items: center;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--accent-2);
}
.qbk .detail-head-txt .page-title { margin-top: 0; }
.qbk .detail-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; }
.qbk .chip {
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #cfdcee;
  font-size: 12.5px;
}
.qbk .chip-main { background: rgba(247, 160, 60, 0.2); border-color: rgba(247, 160, 60, 0.36); color: #ffd9a8; }
.qbk .detail-head-cta { display: flex; flex-direction: column; gap: 10px; }
.qbk .detail-head-cta .btn { height: 44px; padding: 0 22px; font-size: 15px; }

/* ---------- 正文排版 ---------- */
.qbk .prose { color: var(--body); font-size: 16px; line-height: 1.9; }
.qbk .prose > *:first-child { margin-top: 0; }
.qbk .prose h2 { margin: 34px 0 14px; padding-left: 14px; border-left: 4px solid var(--brand-2); color: var(--navy-800); font-size: 22px; }
.qbk .prose h3 { margin: 26px 0 10px; color: var(--navy-800); font-size: 18px; }
.qbk .prose h4 { margin: 20px 0 8px; color: var(--ink-2); font-size: 16px; }
.qbk .prose p { margin: 0 0 16px; }
.qbk .prose ul, .qbk .prose ol { margin: 0 0 18px; padding-left: 4px; }
.qbk .prose ul li, .qbk .prose ol li { position: relative; margin-bottom: 8px; padding-left: 22px; }
.qbk .prose ul li::before {
  content: "";
  position: absolute;
  left: 4px; top: 12px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand-2);
}
.qbk .prose ol { counter-reset: ol; }
.qbk .prose ol li { counter-increment: ol; }
.qbk .prose ol li::before {
  content: counter(ol) ".";
  position: absolute;
  left: 0; top: 0;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.9;
}
.qbk .prose strong { color: var(--navy-800); }
.qbk .prose a { color: var(--brand); text-decoration: underline; }
.qbk .prose blockquote {
  margin: 20px 0;
  padding: 14px 18px;
  border-left: 3px solid var(--accent-2);
  border-radius: 0 10px 10px 0;
  background: #fffaf3;
  color: #6b5330;
}
.qbk .prose table { width: 100%; margin: 18px 0; border-collapse: collapse; font-size: 14.5px; }
.qbk .prose th, .qbk .prose td { padding: 11px 14px; border: 1px solid var(--line); text-align: left; }
.qbk .prose th { background: var(--bg-2); color: var(--navy-800); font-weight: 600; }
.qbk .prose hr { margin: 30px 0; border: 0; border-top: 1px solid var(--line); }
.qbk .prose img { margin: 18px 0; border-radius: 12px; }
.qbk .prose code { padding: 1px 6px; border-radius: 6px; background: var(--bg-2); color: var(--navy-700); font-size: 14px; }

/* 业务详情固定结构里的常用块（正文里写 HTML 时也能用） */
.qbk .prose .callout {
  margin: 20px 0;
  padding: 16px 18px;
  border: 1px solid #ffe0bd;
  border-radius: 12px;
  background: var(--accent-soft);
  color: #7a4b12;
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 列表页 ---------- */
.qbk .sec-list { background: var(--white); }
.qbk .list-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 44px; align-items: start; }
.qbk .list-main { min-width: 0; }
.qbk .intro-body { margin-bottom: 30px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fafcff; }
.qbk .intro-body h2, .qbk .intro-body h3 { margin-top: 0; }
/**
 * `/services/` 栏目正文里手写的「十二项业务目录」（`{{{ category.body }}}`，
 * 不是内容循环 ⇒ 用 CSS 兜样式，颜色都显式写，不依赖 ui-base）。
 */
.qbk .svc-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 18px 0 20px; }
.qbk .svc-index a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  color: var(--navy-800);
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.qbk .svc-index a:hover { border-color: #c3d6f5; box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.qbk .svc-index strong { color: var(--navy-800); font-size: 15px; font-weight: 600; }
.qbk .svc-index span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.qbk .list-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.qbk .list-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.qbk .list-card:hover { transform: translateY(-3px); border-color: #c3d4ef; box-shadow: var(--shadow); color: var(--ink); }
.qbk .list-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.qbk .list-tag { padding: 2px 10px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-size: 12px; }
.qbk .list-date { color: var(--muted); font-size: 12.5px; }
.qbk .list-title { color: var(--ink); font-size: 17px; font-weight: 700; line-height: 1.55; }
.qbk .list-desc { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; color: #5a6e87; font-size: 13.5px; line-height: 1.7; }
.qbk .list-more { margin-top: auto; padding-top: 6px; color: var(--brand); font-size: 13px; font-weight: 600; }

/* 侧栏 */
.qbk .list-side, .qbk .detail-side { display: grid; gap: 18px; position: sticky; top: 96px; }
.qbk .side-card { padding: 22px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-sm); }
.qbk .side-card h3 { margin: 0 0 10px; color: var(--navy-800); font-size: 16px; }
.qbk .side-card p { margin: 0 0 14px; color: var(--muted); font-size: 13.5px; line-height: 1.7; }
.qbk .side-cta { background: linear-gradient(160deg, #f7faff 0%, #eef4ff 100%); border-color: #dbe6f9; }
.qbk .side-cta .btn { height: 46px; }
.qbk .side-tel { display: block; margin-top: 12px; color: var(--navy-800); font-size: 21px; font-weight: 700; text-align: center; letter-spacing: 0.4px; }
.qbk .side-tel:hover { color: var(--brand); }
.qbk .side-time { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; text-align: center; }
.qbk .side-links { display: grid; gap: 2px; }
.qbk .side-links a { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--line); color: var(--ink-2); font-size: 14px; }
.qbk .side-links li:last-child a { border-bottom: 0; }
.qbk .side-links a:hover { color: var(--brand); }
.qbk .side-ticks { display: grid; gap: 8px; }
.qbk .side-ticks li { position: relative; padding-left: 20px; color: var(--body); font-size: 13.5px; line-height: 1.65; }
.qbk .side-ticks li::before {
  content: "";
  position: absolute;
  left: 2px; top: 7px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--brand-soft);
  border: 1.5px solid var(--brand);
}

/* ---------- 详情页 ---------- */
.qbk .sec-detail { padding: 64px 0 88px; background: var(--white); }
.qbk .detail-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 48px; align-items: start; }
.qbk .article { min-width: 0; }
.qbk .article h2:first-of-type { margin-top: 0; }

/* 相关推荐 */
.qbk .rel-box { padding: 22px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfe; }
.qbk .rel-title { margin: 0 0 12px; color: var(--navy-800); font-size: 15px; }
.qbk .rel-list { display: grid; gap: 4px; margin: 0 0 10px; }
.qbk .rel-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); color: var(--ink-2); font-size: 13.5px; }
.qbk .rel-list li:last-child a { border-bottom: 0; }
.qbk .rel-list a:hover { color: var(--brand); }
.qbk .rel-note { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.7; }
.qbk .rel-note a { color: var(--brand); text-decoration: underline; }

/* ---------- 关于我们页 ---------- */
.qbk .about-page { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 48px; align-items: start; }
.qbk .about-page-main .sec-title { font-size: 26px; margin-top: 30px; }
.qbk .about-page-main .sec-title:first-of-type { margin-top: 0; }
.qbk .about-page-main > p { color: var(--body); font-size: 15.5px; line-height: 1.9; }
.qbk .do-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 6px 0 10px; }
.qbk .do-card { padding: 20px 20px 16px; border-radius: var(--radius); border: 1px solid var(--line); background: #fbfcfe; }
.qbk .do-card h3 { margin: 0 0 12px; font-size: 16px; }
.qbk .do-card ul { display: grid; gap: 8px; }
.qbk .do-card li { position: relative; padding-left: 20px; color: var(--body); font-size: 13.5px; line-height: 1.7; }
.qbk .do-card li::before { content: "·"; position: absolute; left: 6px; top: -2px; font-size: 20px; line-height: 1.4; }
.qbk .do-yes { border-color: #cfead9; background: #f5fbf7; }
.qbk .do-yes h3 { color: #17734b; }
.qbk .do-yes li::before { color: var(--ok); }
.qbk .do-no { border-color: #f3dede; background: #fdf7f7; }
.qbk .do-no h3 { color: #a33b3b; }
.qbk .do-no li::before { color: #c0504d; }
.qbk .about-list-page { grid-template-columns: 1fr 1fr; grid-auto-rows: minmax(0, auto); }
.qbk .about-list-page li { grid-template-columns: 92px minmax(0, 1fr); }
.qbk .contact-mini { display: grid; gap: 8px; margin: 0 0 18px; }
.qbk .contact-mini li { display: flex; gap: 12px; color: var(--body); font-size: 14.5px; }
.qbk .contact-mini span { flex: none; width: 76px; color: var(--muted); font-size: 13.5px; }
.qbk .contact-mini a { color: var(--brand); font-weight: 600; }
.qbk .about-tip { padding: 12px 16px; border-radius: 10px; background: var(--bg); color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.qbk .about-body { margin-top: 26px; }

/* ---------- 联系页 ---------- */
.qbk .contact-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 48px; align-items: start; }
.qbk .contact-main .sec-title { font-size: 28px; }
.qbk .contact-sub { margin: 0 0 24px; color: var(--body); font-size: 15px; line-height: 1.8; }
.qbk .lead-form-light {
  padding: 26px 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfe;
  box-shadow: var(--shadow-sm);
}
.qbk .lead-form-light .btn { min-width: 200px; }
.qbk .contact-body { margin-top: 26px; }
.qbk .contact-list { display: grid; gap: 16px; margin: 0 0 20px; }
.qbk .contact-list li { display: flex; gap: 12px; align-items: flex-start; }
.qbk .contact-ico {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand);
}
.qbk .contact-txt { display: flex; flex-direction: column; gap: 2px; font-size: 14px; line-height: 1.6; color: var(--body); }
.qbk .contact-txt em { font-style: normal; color: var(--muted); font-size: 12px; }
.qbk .contact-txt a { color: var(--navy-800); font-size: 17px; font-weight: 700; }
.qbk .contact-txt a:hover { color: var(--brand); }
.qbk .contact-qr { padding-top: 16px; border-top: 1px dashed var(--line); text-align: center; }
.qbk .qr-box-light { box-shadow: 0 8px 20px rgba(11, 31, 58, 0.12); border: 1px solid var(--line); }
.qbk .qr-box-light .qr-corner { border-color: var(--navy-700); }
.qbk .contact-qr .qr-txt { color: var(--muted); }
.qbk .contact-qr .qr-txt em { color: #9aabbd; }

/* ---------- 隐私政策 ---------- */
.qbk .legal { font-size: 15px; }
.qbk .legal-meta { color: var(--muted); font-size: 13px; }
.qbk .legal-note { padding: 12px 16px; border-radius: 10px; background: var(--bg); color: var(--muted); font-size: 13px; line-height: 1.75; }
.qbk .legal h2 { margin-top: 32px; }
.qbk .legal-back { margin: 34px 0 0; }
.qbk .legal-extra { margin-top: 28px; }

/* ---------- 页脚 ---------- */
.qbk .site-foot { background: var(--navy-900); color: #b7c7dc; }
.qbk .foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr 0.85fr 1.15fr 1.15fr;
  gap: 38px;
  padding-top: 58px;
  padding-bottom: 42px;
}
.qbk .brand-foot { color: #ffffff; }
.qbk .brand-foot:hover { color: #ffffff; }
.qbk .brand-foot .brand-mark { background: rgba(255, 255, 255, 0.1); box-shadow: none; color: #ffffff; }
.qbk .brand-foot .brand-text strong { color: #ffffff; }
.qbk .brand-foot .brand-text em { color: #8ea5c2; }
.qbk .foot-desc { margin: 16px 0 18px; color: #93a9c4; font-size: 13px; line-height: 1.8; }
.qbk .foot-tel { margin: 0; display: flex; flex-direction: column; gap: 2px; }
.qbk .foot-tel em { font-style: normal; color: #8ea5c2; font-size: 12px; letter-spacing: 1px; }
.qbk .foot-tel a { color: #ffffff; font-size: 23px; font-weight: 700; letter-spacing: 0.4px; }
.qbk .foot-tel a:hover { color: var(--gold); }
.qbk .foot-col h3 { margin: 0 0 16px; color: #ffffff; font-size: 15px; font-weight: 600; }
.qbk .foot-col ul { display: grid; gap: 9px; }
.qbk .foot-col li { color: #93a9c4; font-size: 13px; line-height: 1.7; }
.qbk .foot-col a { color: #b7c7dc; font-size: 13px; }
.qbk .foot-col a:hover { color: var(--gold); }
.qbk .foot-note { margin: 14px 0 0; color: #7b90ab; font-size: 11.5px; line-height: 1.7; }
.qbk .foot-qr { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.qbk .qr-mini {
  width: 54px; height: 54px; flex: none;
  border-radius: 8px;
  background:
    linear-gradient(90deg, var(--navy-800) 0 8px, transparent 8px 14px, var(--navy-800) 14px 22px, transparent 22px 30px, var(--navy-800) 30px 38px, transparent 38px 46px, var(--navy-800) 46px 54px),
    #ffffff;
  background-size: 54px 54px;
  opacity: 0.9;
}
.qbk .foot-qr span { color: #93a9c4; font-size: 12px; line-height: 1.5; }
.qbk .foot-qr em { font-style: normal; color: #7b90ab; font-size: 11px; }

.qbk .foot-bar { border-top: 1px solid rgba(255, 255, 255, 0.09); background: rgba(0, 0, 0, 0.18); }
.qbk .foot-bar-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding-top: 18px; padding-bottom: 18px; }
.qbk .foot-legal { margin: 0; display: flex; align-items: center; gap: 8px; color: #8ea5c2; font-size: 12.5px; }
.qbk .foot-legal a { color: #a9bdd6; font-size: 12.5px; }
.qbk .foot-legal a:hover { color: var(--gold); }
.qbk .dot { color: #5f7694; }
.qbk .foot-copy { margin: 0; color: #7b90ab; font-size: 12.5px; }

/* 回到顶部 */
.qbk .to-top {
  position: fixed;
  right: 26px; bottom: 28px;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: var(--navy-800);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  box-shadow: var(--shadow);
  z-index: 50;
}
.qbk .to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.qbk .to-top:hover { color: var(--brand); border-color: var(--brand); }

/* ---------- 入场动画（由 main.js 加 .js-reveal，无 JS 时保持可见） ---------- */
.qbk .js-reveal .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.qbk .js-reveal .reveal.is-in { opacity: 1; transform: none; }
.qbk .js-reveal .svc-card.reveal:nth-child(3n + 2) { transition-delay: 0.06s; }
.qbk .js-reveal .svc-card.reveal:nth-child(3n + 3) { transition-delay: 0.12s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .qbk .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 响应式：≤1200 ---------- */
@media (max-width: 1200px) {
  .qbk .wrap { padding: 0 22px; }
  .qbk .head-in { gap: 16px; }
  .qbk .nav-list { gap: 14px; }
  .qbk .nav-list a { font-size: 14px; }
  .qbk .btn-head { display: none; }
  .qbk .hero-title { font-size: 46px; }
  .qbk .hero-in { gap: 38px; }
  .qbk .foot-grid { grid-template-columns: 1.4fr 0.8fr 0.8fr 1.1fr 1.1fr; gap: 26px; }
  .qbk .list-wrap, .qbk .detail-wrap, .qbk .contact-wrap, .qbk .about-page { grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; }
}

/* ---------- 响应式：≤900（平板 / 移动菜单） ---------- */
@media (max-width: 900px) {
  .qbk .notice-txt { font-size: 12px; }
  .qbk .head-in { min-height: 66px; }
  .qbk .brand-mark { width: 36px; height: 36px; border-radius: 10px; }
  .qbk .brand-text strong { font-size: 17px; }
  .qbk .brand-text em { font-size: 10.5px; }
  .qbk .head-tel { display: none; }
  .qbk .burger { display: block; }

  /* 移动端抽屉导航 */
  .qbk .nav {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 80;
    width: 80%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    padding: 26px 22px 30px;
    background: var(--white);
    box-shadow: 0 0 60px rgba(7, 20, 38, 0.28);
    transform: translateX(-102%);
    transition: transform 0.26s ease;
    overflow-y: auto;
  }
  .qbk .nav.is-open { transform: none; }
  .qbk .nav-list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .qbk .nav-list li { border-bottom: 1px solid var(--line); }
  .qbk .nav-list a { display: block; padding: 14px 2px; font-size: 15.5px; border-bottom: 0; }
  .qbk .nav-foot { display: block; margin-top: 20px; }
  .qbk .nav-foot .btn { width: 100%; }
  .qbk .nav-tel { display: block; margin-top: 12px; color: var(--navy-800); font-size: 19px; font-weight: 700; text-align: center; }
  .qbk .nav-mask { display: block; position: fixed; inset: 0; z-index: 70; background: rgba(7, 20, 38, 0.45); }
  .qbk .nav-mask[hidden] { display: none; }

  .qbk .hero-in { grid-template-columns: minmax(0, 1fr); gap: 34px; padding-top: 52px; padding-bottom: 56px; }
  .qbk .hero-title { font-size: 38px; }
  .qbk .hero-sub { font-size: 15.5px; }
  .qbk .hero-main { max-width: 100%; }
  .qbk .hero-card { padding: 22px 20px 20px; }

  .qbk .facts-in { grid-template-columns: 1fr 1fr; gap: 14px; }
  .qbk .fact { border-left: 0; padding: 0; }
  .qbk .fact strong { font-size: 25px; }

  .qbk .sec { padding: 62px 0; }
  .qbk .sec-title { font-size: 27px; }
  .qbk .sec-head { margin-bottom: 32px; }

  .qbk .about-in { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .qbk .about-media { min-height: 250px; }
  .qbk .about-list li { grid-template-columns: minmax(0, 1fr); gap: 4px; }

  .qbk .svc-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .qbk .svc-card { padding: 20px 18px 18px; gap: 12px; }
  .qbk .svc-ico { width: 46px; height: 46px; border-radius: 12px; }
  .qbk .svc-title { font-size: 16px; }

  .qbk .why-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .qbk .why-item { padding: 20px 18px; }

  .qbk .flow { grid-template-columns: 1fr 1fr; gap: 18px 14px; }
  .qbk .flow::before { display: none; }
  .qbk .flow-step { padding: 0 0 6px; }
  .qbk .flow-num { width: 44px; height: 44px; font-size: 15px; margin-bottom: 12px; }

  .qbk .quote-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }

  .qbk .cta-in { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .qbk .cta-title { font-size: 26px; }
  .qbk .cta-qr { display: flex; align-items: center; gap: 16px; text-align: left; }
  .qbk .qr-box { margin: 0; width: 116px; height: 116px; }
  .qbk .qr-txt { text-align: left; }

  .qbk .page-hero { padding: 32px 0 34px; }
  .qbk .page-title { font-size: 28px; }
  .qbk .page-lead { font-size: 14.5px; }

  .qbk .detail-head { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .qbk .detail-ico { width: 54px; height: 54px; border-radius: 14px; }
  .qbk .detail-head-cta { flex-direction: row; }
  .qbk .detail-head-cta .btn { flex: 1 1 auto; }

  .qbk .list-wrap, .qbk .detail-wrap, .qbk .contact-wrap, .qbk .about-page {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  .qbk .list-side, .qbk .detail-side { position: static; }
  .qbk .list-cards { grid-template-columns: minmax(0, 1fr); }
  .qbk .about-list-page, .qbk .do-grid { grid-template-columns: minmax(0, 1fr); }

  .qbk .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px 22px; padding-top: 42px; padding-bottom: 30px; }
  .qbk .foot-brand { grid-column: 1 / -1; }
  .qbk .foot-bar-in { flex-direction: column; align-items: flex-start; gap: 6px; }
  .qbk .to-top { right: 16px; bottom: 18px; width: 42px; height: 42px; }
}

/* ---------- 响应式：≤640（手机） ---------- */
@media (max-width: 640px) {
  .qbk { font-size: 15px; }
  .qbk .wrap { padding: 0 16px; }
  .qbk .notice-in { min-height: 34px; }
  .qbk .notice-txt { font-size: 11.5px; line-height: 1.5; }
  .qbk .hero-in { padding-top: 40px; padding-bottom: 44px; }
  .qbk .hero-title { font-size: 29px; letter-spacing: -0.2px; }
  .qbk .hero-eyebrow { font-size: 12px; margin-bottom: 14px; }
  .qbk .hero-sub { font-size: 14.5px; line-height: 1.75; }
  .qbk .hero-points { gap: 8px 16px; margin-bottom: 22px; }
  .qbk .hero-points li { font-size: 13.5px; }
  .qbk .hero-actions { gap: 10px; }
  .qbk .hero-actions .btn { flex: 1 1 100%; height: 48px; }
  .qbk .field-row { grid-template-columns: minmax(0, 1fr); gap: 0; }

  .qbk .facts-in { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .qbk .fact { justify-content: flex-start; }

  .qbk .sec { padding: 48px 0; }
  .qbk .sec-title { font-size: 23px; }
  .qbk .sec-sub { font-size: 14.5px; }

  .qbk .svc-grid { grid-template-columns: minmax(0, 1fr); }
  .qbk .why-grid { grid-template-columns: minmax(0, 1fr); }
  .qbk .flow { grid-template-columns: minmax(0, 1fr); }
  .qbk .about-media-card { inset: 0 24px 26px 0; padding: 22px; }
  .qbk .about-media-num { font-size: 58px; }

  .qbk .faq-q { padding: 15px 46px 15px 16px; font-size: 15px; }
  .qbk .faq-a { padding: 0 16px 16px; font-size: 14px; }

  .qbk .cta { padding: 50px 0 54px; }
  .qbk .cta-title { font-size: 22px; }
  .qbk .cta-tel-txt strong { font-size: 24px; }
  .qbk .cta-qr { flex-direction: row; }
  .qbk .cta-form { padding: 18px 16px; }

  .qbk .page-title { font-size: 24px; }
  .qbk .page-hero { padding: 26px 0 28px; }

  .qbk .prose { font-size: 15px; line-height: 1.85; }
  .qbk .prose h2 { font-size: 19px; margin-top: 26px; }
  .qbk .prose h3 { font-size: 16.5px; }
  .qbk .prose th, .qbk .prose td { padding: 9px 10px; font-size: 13.5px; }

  .qbk .foot-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .qbk .foot-tel a { font-size: 21px; }
  .qbk .lead-form-light { padding: 20px 16px; }
  .qbk .lead-form-light .btn { min-width: 0; width: 100%; }
  .qbk .side-card { padding: 18px 16px; }
  .qbk .about-list-page li { grid-template-columns: minmax(0, 1fr); }
  .qbk .contact-mini li { flex-direction: column; gap: 2px; }
  .qbk .contact-mini span { width: auto; }
  .qbk .svc-index { grid-template-columns: minmax(0, 1fr); }
}