/* ============================================================
   鲁伯斯科技官网 —— 明快浅蓝风格设计系统
   底色：白 / 浅蓝渐变 ｜ 点缀：科技蓝 #1e6fff · 青 #38bdf8
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --blue: #1e6fff;
  --blue-2: #2f7bff;
  --cyan: #25b8f0;

  --grad: linear-gradient(135deg, #2f7bff 0%, #4fc9ff 100%);

  --ink: #16233c;
  --body: #43536e;
  --muted: #6b7a94;
  --line: #e4ebf5;
  --bg-light: #f4f8fd;
  --bg-hero: linear-gradient(165deg, #f8fbff 0%, #edf4ff 55%, #e2eeff 100%);

  --white: #ffffff;

  --radius: 18px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(23, 58, 112, 0.06);
  --shadow-md: 0 10px 30px rgba(23, 58, 112, 0.1);
  --shadow-glow: 0 12px 32px rgba(47, 123, 255, 0.3);

  --nav-h: 72px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--body);
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color 0.25s; }
ul { list-style: none; }
button { font-family: inherit; background: none; border: none; cursor: pointer; }
section[id], div[id].cat-section { scroll-margin-top: calc(var(--nav-h) + 64px); }

::selection { background: var(--blue-2); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.ic { width: 1em; height: 1em; flex: none; vertical-align: -0.125em; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 通用区块 ---------- */
.section { padding: 90px 0; }
.section-light { background: var(--bg-light); }
.section-white { background: var(--white); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  margin: 0 12px;
  opacity: 0.6;
}
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--ink); letter-spacing: 1px; }
.section-lead { color: var(--muted); font-size: 15px; margin-top: 14px; }
.section-lead.left { text-align: left; margin: 10px 0 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s, color 0.25s;
  white-space: nowrap;
}
.btn .ic { font-size: 17px; }
.btn-lg { padding: 15px 36px; font-size: 16px; }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(47, 123, 255, 0.4);
  color: #fff;
}

.btn-ghost {
  border: 1px solid #c9dbf3;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--blue);
  background: rgba(47, 123, 255, 0.06);
  color: var(--blue);
}

.btn-light { background: #fff; color: var(--ink); box-shadow: 0 10px 26px rgba(23, 58, 112, 0.25); }
.btn-light:hover { transform: translateY(-2px); color: var(--blue); }

.btn-outline { border: 1px solid rgba(255, 255, 255, 0.65); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.18); color: #fff; }

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(23, 58, 112, 0.07);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 12px; }
.logo-mark { width: 38px; height: 38px; flex: none; }
.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--ink);
  line-height: 1.15;
}
.brand-text small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--muted);
}

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  color: rgba(22, 35, 60, 0.78);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: translateX(-50%);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--blue); }

/* 注意：电话按钮是 .nav-links 内的 <a>，必须用 .nav-links .nav-phone
   提升选择器权重，否则 padding 会被 .nav-links a 的 6px 0 覆盖。 */
.nav-links .nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(47, 123, 255, 0.4);
  background: rgba(47, 123, 255, 0.07);
  border-radius: 999px;
  padding: 11px 28px;
  color: var(--blue) !important;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-links .nav-phone::after { display: none; }
.nav-links .nav-phone .ic { font-size: 17px; }
.nav-links .nav-phone:hover { background: rgba(47, 123, 255, 0.14); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页 Hero（浅色明快） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: calc(var(--nav-h) + 60px) 0 150px;
  background: var(--bg-hero);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(47, 123, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 123, 255, 0.06) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 75%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.7; }
.orb-a { width: 560px; height: 560px; top: -180px; right: -100px; background: radial-gradient(circle, rgba(47, 123, 255, 0.18), transparent 65%); animation: drift 14s ease-in-out infinite alternate; }
.orb-b { width: 480px; height: 480px; bottom: -200px; left: -140px; background: radial-gradient(circle, rgba(79, 201, 255, 0.16), transparent 65%); animation: drift 18s ease-in-out infinite alternate-reverse; }
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(50px, 35px) scale(1.12); }
}

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(47, 123, 255, 0.3);
  background: rgba(47, 123, 255, 0.07);
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 26px;
}
.hero-eyebrow .ic { font-size: 15px; }

.hero h1 {
  font-size: clamp(36px, 4.6vw, 58px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.22;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.grad-text {
  background: linear-gradient(100deg, #1e6fff 0%, #2f9bff 55%, #25b8f0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-lead { font-size: 17px; color: var(--body); max-width: 560px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-actions.center { justify-content: center; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 38px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; color: var(--body); font-size: 14px; }
.hero-trust .ic { color: var(--blue); font-size: 17px; }

/* Hero 右侧科技面板（浅色玻璃） */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hv-panel { position: relative; width: min(420px, 100%); aspect-ratio: 1; }
.hv-ring {
  position: absolute;
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.hv-ring.r1 {
  width: 100%; height: 100%;
  border: 1px dashed rgba(47, 123, 255, 0.35);
  animation: spin 46s linear infinite;
}
.hv-ring.r2 {
  width: 68%; height: 68%;
  border: 1px solid rgba(47, 123, 255, 0.18);
  animation: spin 60s linear infinite reverse;
}
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.hv-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 104px; height: 104px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 46px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(47, 123, 255, 0.4);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: 0 16px 40px rgba(47, 123, 255, 0.22), inset 0 0 24px rgba(79, 201, 255, 0.1);
}
.hv-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #d7e5f8;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #3b4f6e;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(23, 58, 112, 0.1);
  animation: floaty 5.5s ease-in-out infinite alternate;
}
.hv-chip .ic { color: var(--blue); font-size: 16px; }
.hv-chip.c1 { top: 4%; left: 2%; }
.hv-chip.c2 { top: 0; right: 6%; animation-delay: 0.8s; }
.hv-chip.c3 { top: 40%; left: -7%; animation-delay: 1.6s; }
.hv-chip.c4 { top: 38%; right: -8%; animation-delay: 2.2s; }
.hv-chip.c5 { bottom: 10%; left: 4%; animation-delay: 1.2s; }
.hv-chip.c6 { bottom: 4%; right: 2%; animation-delay: 2.8s; }
@keyframes floaty { to { transform: translateY(-12px); } }

/* ---------- 统计条 ---------- */
.stats-band { position: relative; z-index: 5; margin-top: -76px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border-top: 3px solid transparent;
  transition: transform 0.3s, border-color 0.3s;
}
.stat-card:hover { transform: translateY(-6px); border-top-color: var(--blue); }
.stat-num { font-size: 42px; font-weight: 800; line-height: 1.1; }
.stat-num .num {
  background: linear-gradient(120deg, #1e6fff, #4fc9ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-num em { font-style: normal; font-size: 17px; color: var(--blue); margin-left: 2px; }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 8px; letter-spacing: 1px; }

/* ---------- 业务板块卡片 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cat-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.cat-card:hover {
  transform: translateY(-8px);
  border-color: rgba(47, 123, 255, 0.45);
  box-shadow: var(--shadow-md);
}
.cat-icon {
  width: 62px; height: 62px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 29px;
  color: #fff;
  background: var(--grad);
  box-shadow: var(--shadow-glow);
  margin-bottom: 22px;
}
.cat-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); }
.cat-en { display: block; font-size: 11px; letter-spacing: 2px; color: var(--muted); text-transform: uppercase; margin: 4px 0 14px; }
.cat-desc { font-size: 13.5px; color: var(--muted); line-height: 1.75; margin-bottom: 18px; }
/* 服务标签强制单行显示（nowrap），紧凑尺寸保证 3 个标签在卡片内放得下 */
.cat-services { display: flex; flex-wrap: nowrap; gap: 6px; margin-bottom: 24px; }
.chip {
  background: #eef4fd;
  color: #2b5fad;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.25s, color 0.25s;
}
.cat-card:hover .chip { background: #e2edff; }
.cat-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-weight: 600;
  font-size: 14px;
}
.cat-more .ic { font-size: 15px; transition: transform 0.25s; }
.cat-more:hover .ic { transform: translateX(5px); }

/* ---------- 为什么选择我们 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card {
  background: var(--bg-light);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.3s, background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.adv-card:hover {
  transform: translateY(-6px);
  background: #fff;
  border-color: rgba(47, 123, 255, 0.4);
  box-shadow: var(--shadow-md);
}
.adv-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 25px;
  color: var(--blue);
  background: #e8f1ff;
  border: 1px solid rgba(47, 123, 255, 0.18);
  margin-bottom: 20px;
}
.adv-card h3 { color: var(--ink); font-size: 18px; margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: var(--muted); }

/* ---------- 服务流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-no {
  position: absolute;
  top: 12px; right: 18px;
  font-size: 46px;
  font-weight: 800;
  color: #e3edfb;
  letter-spacing: 2px;
  line-height: 1;
}
.step-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 25px;
  color: #fff;
  background: var(--grad);
  box-shadow: var(--shadow-glow);
  margin-bottom: 18px;
}
.step h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ---------- 服务场景 ---------- */
.scenes { background: #fff; padding: 26px 0 80px; }
.scenes-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 26px;
  background: linear-gradient(120deg, #f7faff, #eef5ff);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 26px 36px;
}
.scenes-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.scenes-label .ic { color: var(--blue); font-size: 20px; }
.scenes-chips { display: flex; flex-wrap: wrap; gap: 12px; }
.scene-chip {
  background: #fff;
  border: 1px solid var(--line);
  color: #2b4b7c;
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.25s, border-color 0.25s, color 0.25s;
}
.scene-chip:hover { transform: translateY(-3px); border-color: rgba(47, 123, 255, 0.5); color: var(--blue); }

/* ---------- CTA 横幅 ---------- */
.cta-section { background: var(--bg-light); }
.cta-banner {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  border-radius: var(--radius-lg);
  padding: 54px 60px;
  background: linear-gradient(120deg, #2f7bff 0%, #3f9dff 55%, #4fc9ff 100%);
  box-shadow: 0 24px 60px rgba(47, 123, 255, 0.3);
}
.cta-banner::before, .cta-banner::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  pointer-events: none;
}
.cta-banner::before { width: 300px; height: 300px; top: -140px; right: -70px; }
.cta-banner::after { width: 200px; height: 200px; bottom: -110px; left: 18%; }
.cta-copy { position: relative; z-index: 1; }
.cta-copy h2 { color: #fff; font-size: 30px; font-weight: 800; letter-spacing: 1px; }
.cta-copy p { color: rgba(255, 255, 255, 0.88); margin-top: 10px; }
.cta-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- 页脚（浅色） ---------- */
.footer { background: #f2f6fb; color: var(--muted); padding-top: 72px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 44px; padding-bottom: 54px; }
.footer-desc { font-size: 13.5px; line-height: 1.85; color: #7c8aa3; margin-top: 20px; max-width: 320px; }
.footer-col h4 {
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 3px;
  border-radius: 2px;
  background: var(--grad);
}
.footer-col a {
  display: block;
  padding: 7px 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  transition: color 0.25s, transform 0.25s;
}
.footer-col a:hover { color: var(--blue); transform: translateX(5px); }
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.5;
  padding: 7px 0;
  color: var(--muted);
}
.footer-contact .ic { color: var(--blue); font-size: 16px; margin-top: 0; flex: none; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 13px;
  color: #8794ab;
}
.footer-bottom a { color: #8794ab; }
.footer-bottom a:hover { color: var(--blue); }

/* ---------- 内页页头（浅色） ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 84px) 0 76px;
  background: var(--bg-hero);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { color: var(--ink); font-size: 40px; font-weight: 800; letter-spacing: 2px; }
.page-hero-lead { color: var(--body); margin-top: 14px; font-size: 16px; }
.breadcrumb { display: flex; align-items: center; gap: 10px; margin-top: 26px; font-size: 13px; }
.breadcrumb a { color: var(--muted); padding: 9px 2px; margin: -9px 0; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: #b6c2d6; }
.breadcrumb em { font-style: normal; color: var(--blue); }

/* ---------- 业务页锚点导航 ---------- */
.anchor-bar {
  position: sticky;
  top: calc(var(--nav-h) - 1px);
  z-index: 900;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.anchor-inner {
  display: flex;
  gap: 12px;
  padding: 14px 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.anchor-inner::-webkit-scrollbar { display: none; }
.anchor-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  background: #eef4fd;
  color: #2b4b7c;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}
.anchor-link .ic { font-size: 16px; }
.anchor-link:hover, .anchor-link.active {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

/* ---------- 业务页分类区块 ---------- */
.cat-head { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 46px; }
.cat-head-icon {
  width: 74px; height: 74px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 34px;
  color: #fff;
  background: var(--grad);
  box-shadow: var(--shadow-glow);
  flex: none;
}
.cat-head h2 { font-size: 30px; font-weight: 800; color: var(--ink); }
.cat-head .eyebrow { margin-bottom: 6px; }
.cat-head .eyebrow::before { display: none; }
.cat-head .eyebrow::after { margin: 0 0 0 12px; }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.svc-card:hover { transform: translateY(-6px); border-color: rgba(47, 123, 255, 0.45); box-shadow: var(--shadow-md); }
.svc-icon {
  width: 58px; height: 58px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 26px;
  color: var(--blue);
  background: #e8f1ff;
  margin-bottom: 20px;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.svc-card:hover .svc-icon { background: var(--grad); color: #fff; box-shadow: var(--shadow-glow); }
.svc-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 10px; }
.svc-desc { font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.svc-points { margin-top: 18px; border-top: 1px dashed var(--line); padding-top: 16px; }
.svc-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--body);
}
.svc-points .ic { color: var(--blue-2); font-size: 15px; }

/* ---------- 关于我们 ---------- */
.about-intro { display: grid; grid-template-columns: 1.6fr 1fr; gap: 56px; align-items: start; }
.about-copy h2 { font-size: 30px; font-weight: 800; color: var(--ink); margin: 6px 0 20px; }
.about-copy p { font-size: 14.5px; line-height: 1.95; margin-bottom: 16px; }
.about-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.about-checks div {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-light);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: #2a3c58;
}
.about-checks .ic { color: var(--blue-2); font-size: 17px; flex: none; }

.about-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 42px 36px;
  background: linear-gradient(160deg, #ffffff 0%, #edf4ff 100%);
  border: 1px solid #dbe7f8;
  box-shadow: var(--shadow-md);
}
.about-panel-mark {
  position: absolute;
  top: -70px; right: -34px;
  font-size: 210px;
  font-weight: 900;
  line-height: 1;
  color: rgba(47, 123, 255, 0.06);
  font-family: Arial, sans-serif;
  pointer-events: none;
}
.about-panel h3 { color: var(--ink); font-size: 26px; font-weight: 800; letter-spacing: 1px; }
.about-panel-tag { color: var(--blue); font-size: 13px; letter-spacing: 2px; margin: 8px 0 30px; }
.about-panel-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: #dbe7f8;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #dbe7f8;
}
.about-panel-stats div { background: #fff; padding: 24px 16px; text-align: center; }
.about-panel-stats strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(120deg, #1e6fff, #4fc9ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-panel-stats span { font-size: 12.5px; color: var(--muted); }

.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.culture-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.culture-icon {
  width: 66px; height: 66px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 29px;
  color: var(--blue);
  background: #e8f1ff;
}
.culture-card h3 { font-size: 20px; color: var(--ink); margin-bottom: 10px; }
.culture-card p { font-size: 14px; color: var(--muted); }

.timeline { position: relative; max-width: 780px; margin: 0 auto; padding-left: 42px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 8px; bottom: 8px;
  border-left: 2px dashed rgba(47, 123, 255, 0.35);
}
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -40px; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
  box-shadow: 0 0 0 4px rgba(47, 123, 255, 0.15);
}
.tl-card {
  display: flex;
  align-items: center;
  gap: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 26px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.tl-card:hover { border-color: rgba(47, 123, 255, 0.4); box-shadow: var(--shadow-md); }
.tl-year {
  flex: none;
  width: 66px;
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(120deg, #1e6fff, #4fc9ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tl-card p { color: var(--body); font-size: 15px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 30px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.contact-card.primary {
  grid-column: 1 / -1;
  background: linear-gradient(120deg, #2f7bff, #3f9dff 55%, #4fc9ff);
  border: none;
  box-shadow: 0 18px 40px rgba(47, 123, 255, 0.32);
}
.contact-card.wide {
  grid-column: 1 / -1;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}
.bank-head { display: flex; align-items: center; gap: 14px; }
.bank-head-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 21px;
  color: var(--blue);
  background: #e8f1ff;
  flex: none;
}
.bank-line { font-size: 13.5px; color: var(--muted); }
.bank-line b { color: var(--ink); font-size: 15px; font-weight: 800; letter-spacing: 0.5px; }
.contact-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 23px;
  color: var(--blue);
  background: #e8f1ff;
  flex: none;
}
.contact-card.primary .contact-icon {
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
}
.contact-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.contact-card.primary .contact-label { color: rgba(255, 255, 255, 0.85); }
.contact-value { display: block; font-size: 22px; font-weight: 800; color: var(--ink); letter-spacing: 0.5px; }
.contact-value.sm { font-size: 16px; line-height: 1.6; }
.contact-card.primary .contact-value { color: #fff; font-size: 26px; }
.contact-sub { display: block; font-size: 13px; color: var(--muted); margin-top: 8px; }
.contact-card.primary .contact-sub { color: rgba(255, 255, 255, 0.85); }

.qr-side { display: flex; flex-direction: column; gap: 24px; }
.qr-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.qr-box {
  width: 190px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.qr-box img { width: 100%; height: auto; border-radius: 8px; display: block; }
.qr-card h3 { font-size: 18px; color: var(--ink); margin: 20px 0 8px; }
.qr-card p { font-size: 13.5px; color: var(--muted); }
.qr-id {
  display: inline-block;
  margin-top: 16px;
  background: #eef4fd;
  color: #2b5fad;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
}
.contact-note {
  border-radius: var(--radius);
  padding: 28px;
  background: linear-gradient(160deg, #edf4ff, #f8fbff);
  border: 1px solid #dbe7f8;
}
.contact-note h3 { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 17px; }
.contact-note .ic { color: var(--blue); font-size: 20px; }
.contact-note p { color: var(--body); font-size: 13.5px; line-height: 1.9; margin-top: 12px; }

/* ---------- 404 ---------- */
.notfound { min-height: 100vh; justify-content: center; padding-bottom: 80px; }
.nf-inner { text-align: center; max-width: 640px; }
.nf-code {
  font-size: clamp(120px, 22vw, 190px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 6px;
  background: linear-gradient(120deg, #2f7bff, #4fc9ff 70%, #8edcff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.notfound h1 { color: var(--ink); font-size: 30px; font-weight: 800; margin-top: 6px; }
.notfound p { color: var(--muted); margin: 16px 0 34px; }

/* ---------- 手机端底部快捷操作栏 ---------- */
.mobile-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 950;
  display: none;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 24px rgba(23, 58, 112, 0.08);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.mobile-bar-inner { display: grid; grid-template-columns: 1fr 1fr 1fr 1.35fr; }
.mb-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 9px 0 8px;
  font-size: 11px;
  color: var(--muted);
}
.mb-item .ic { font-size: 21px; color: var(--blue); }
.mb-item.active { color: var(--blue); font-weight: 700; }
.mb-call {
  flex-direction: row;
  gap: 7px;
  margin: 6px 8px;
  padding: 10px 0;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}
.mb-call .ic { color: #fff; font-size: 17px; }
.mb-call:active { transform: scale(0.97); }

/* ---------- 复制按钮（对公账号等） ---------- */
.copy-btn {
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  padding: 2px 11px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(47, 123, 255, 0.4);
  color: var(--blue);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}
.copy-btn:hover { background: rgba(47, 123, 255, 0.08); }

/* ---------- 滚动渐显动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s cubic-bezier(0.16, 0.84, 0.32, 1), transform 0.8s cubic-bezier(0.16, 0.84, 0.32, 1); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr 0.9fr; gap: 40px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  :root { --nav-h: 66px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    padding: 18px 24px 26px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(23, 58, 112, 0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 6px; border-bottom: 1px solid #eef3fa; color: rgba(22, 35, 60, 0.85); }
  .nav-links a::after { display: none; }
  .nav-phone { justify-content: center; margin-top: 14px; border-bottom: none !important; }

  .hero { min-height: 0; padding-bottom: 150px; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-trust { justify-content: center; }
  .hero-visual { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .section { padding: 70px 0; }
  .cta-banner { padding: 44px 40px; }
}

@media (max-width: 768px) {
  .mobile-bar { display: block; }
  body { padding-bottom: calc(58px + env(safe-area-inset-bottom, 0px)); }

  /* 手机端精简：隐藏页脚栏目（导航栏与底部快捷栏已覆盖），
     隐藏服务场景与 CTA 横幅（底部常驻"立即拨打"），缩短页面 */
  .footer-col, .footer-desc { display: none; }
  .footer { padding-top: 44px; }
  .footer-grid { grid-template-columns: 1fr; gap: 0; padding-bottom: 20px; }
  .scenes, .cta-section { display: none; }

  /* 业务页锚点导航：手机改为两行两列网格，全部可见无需横滑 */
  .anchor-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px 16px;
    overflow-x: visible;
  }
  .anchor-link { justify-content: center; padding: 9px 10px; }
  /* 锚点吸顶栏变高后，跳转目标相应下移，避免标题被遮挡 */
  section[id] { scroll-margin-top: calc(var(--nav-h) + 136px); }
}

@media (max-width: 640px) {
  :root { --nav-h: 60px; }

  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero { padding: calc(var(--nav-h) + 64px) 0 56px; }
  .page-hero h1 { font-size: 32px; }

  .cat-grid, .svc-grid, .adv-grid, .steps, .culture-grid, .about-checks, .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat-card { padding: 22px 14px; }
  .stat-num { font-size: 32px; }

  .cat-head { flex-direction: column; gap: 18px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .cta-banner { flex-direction: column; text-align: center; padding: 38px 26px; }
  .cta-copy h2 { font-size: 24px; }
  .cta-actions { justify-content: center; }
  .contact-cards { grid-template-columns: 1fr; }
  .tl-card { flex-direction: column; align-items: flex-start; gap: 6px; }
  .footer-bottom .container { justify-content: center; text-align: center; }
  /* 超窄屏幕下标签再收紧一档，确保仍为单行 */
  .chip { font-size: 11px; padding: 4px 8px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}