/* ============================================================
   内蒙古文晓信息技术有限公司 - 官网样式
   ============================================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --violet: #7c3aed;
  --cyan: #06b6d4;
  --orange: #f97316;
  --ink: #0f172a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-dark: #0b1120;
  --gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 50%, #7c3aed 100%);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, .14);
  --radius: 16px;
  --container: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  color: var(--ink-soft);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

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

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37, 99, 235, .45); }
.btn-ghost {
  background: rgba(255, 255, 255, .06);
  color: #fff;
  border-color: rgba(255, 255, 255, .35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .16); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 14px 34px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all .3s ease;
}
.header.scrolled {
  border-bottom-color: rgba(15, 23, 42, .08);
  box-shadow: 0 4px 20px rgba(15, 23, 42, .06);
}

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

.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-icon {
  display: inline-flex;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(37, 99, 235, .08);
  overflow: hidden;
  flex-shrink: 0;
}
.logo-icon img { width: 100%; height: 100%; object-fit: contain; }
.footer .logo-icon { background: transparent; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 18px; color: var(--ink); font-weight: 800; letter-spacing: .5px; }
.logo-text small { font-size: 10px; color: var(--muted); letter-spacing: 2px; font-weight: 600; }

.nav { display: flex; align-items: center; gap: 34px; }
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 0;
  transition: color .25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2.5px;
  border-radius: 2px;
  background: var(--gradient);
  transition: width .3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  padding: 10px;
  background: transparent;
  border: none;
  border-radius: 10px;
}
.nav-toggle span {
  display: block;
  width: 100%; height: 2.5px;
  border-radius: 2px;
  background: var(--ink);
  transition: all .3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: linear-gradient(150deg, #0b1120 0%, #111a33 45%, #14204a 100%);
  color: #fff;
  overflow: hidden;
  padding: 140px 0 90px;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; }
.glow-1 { width: 520px; height: 520px; background: rgba(37, 99, 235, .5); top: -160px; right: -80px; }
.glow-2 { width: 420px; height: 420px; background: rgba(124, 58, 237, .4); bottom: -140px; left: -120px; }
.glow-3 { width: 300px; height: 300px; background: rgba(6, 182, 212, .35); top: 40%; left: 45%; }

.hero-inner { position: relative; z-index: 2; }
.hero-content { max-width: 780px; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  font-size: 13.5px;
  letter-spacing: .5px;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 26px;
}
.hero-tag .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, .2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(52, 211, 153, .2); }
  50% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
}

.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 1px;
  margin-bottom: 22px;
  background: linear-gradient(120deg, #ffffff 40%, #93c5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-slogan {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255, 255, 255, .78);
  line-height: 1.9;
  margin-bottom: 36px;
}
.hero-slogan em {
  font-style: normal;
  color: #60a5fa;
  font-weight: 700;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 60px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 34px;
}
.stat-item { flex: 1 1 120px; min-width: 120px; }
.stat-item strong {
  display: block;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-item span { font-size: 13.5px; color: rgba(255, 255, 255, .6); }

.scroll-down {
  position: absolute;
  left: 50%; bottom: 28px;
  transform: translateX(-50%);
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, .55);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .2);
  transition: all .3s;
  z-index: 2;
}
.scroll-down:hover { color: #fff; border-color: rgba(255, 255, 255, .5); transform: translateX(-50%) translateY(4px); }
.scroll-down svg { animation: bounce 2s infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ============================================================
   通用 Section
   ============================================================ */
.section { padding: 96px 0; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 58px; }
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p { color: var(--muted); font-size: 16px; }

/* ============================================================
   业务范围
   ============================================================ */
.services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: all .35s ease;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity .35s;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 62px; height: 62px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  transition: transform .35s ease;
}
.service-card:hover .service-icon { transform: scale(1.08) rotate(-4deg); }
.icon-blue   { background: rgba(37, 99, 235, .1);  color: var(--primary); }
.icon-violet { background: rgba(124, 58, 237, .1); color: var(--violet); }
.icon-cyan   { background: rgba(6, 182, 212, .1);  color: var(--cyan); }
.icon-orange { background: rgba(249, 115, 22, .1); color: var(--orange); }

.service-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.service-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 20px; }

.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags li {
  font-size: 12.5px;
  color: var(--ink-soft);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ============================================================
   关于我们
   ============================================================ */
.about { background: var(--bg-soft); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: center;
}

.about-media { position: relative; padding: 20px; }
.about-card-main {
  background: var(--gradient);
  border-radius: 24px;
  color: #fff;
  padding: 56px 44px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  box-shadow: var(--shadow-lg);
}
.about-card-main svg { margin-bottom: 18px; color: rgba(255,255,255,.9); }
.about-card-main strong { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.about-card-main span { font-size: 14.5px; opacity: .85; }

.about-card-mini,
.about-card-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 14px;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: var(--shadow-md);
}
.about-card-mini svg { color: var(--cyan); }
.about-card-badge svg { color: var(--orange); }
.about-card-mini { top: 8%; right: -6px; animation: float 5s ease-in-out infinite; }
.about-card-badge { bottom: 10%; left: -10px; animation: float 6s ease-in-out 1s infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.about-content h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.35;
  margin: 12px 0 22px;
}
.about-lead { margin-bottom: 16px; }
.about-content p { color: var(--muted); font-size: 15.5px; margin-bottom: 14px; }
.about-lead span { color: var(--primary); font-weight: 600; }

.about-points { margin: 24px 0 32px; display: grid; gap: 14px; }
.about-points li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--ink-soft); font-weight: 500; }
.check {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(37, 99, 235, .1);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}

/* ============================================================
   数据统计条
   ============================================================ */
.stats-band {
  background: var(--bg-dark);
  background-image: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(37, 99, 235, .18), transparent);
  padding: 64px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stats-item { text-align: center; }
.stats-item strong {
  display: block;
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}
.stats-item strong::after { content: "+"; color: var(--primary-light); }
.stats-item:last-child strong::after { content: "%"; }
.stats-item span { font-size: 14px; color: rgba(255, 255, 255, .62); }

/* ============================================================
   成功案例
   ============================================================ */
.cases { background: var(--bg); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--line);
  transition: all .35s ease;
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.case-cover {
  position: relative;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .9);
  overflow: hidden;
}
.case-cover::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,.18), transparent 55%);
}
.case-cover-1 { background: linear-gradient(135deg, #2563eb, #1d4ed8); }
.case-cover-2 { background: linear-gradient(135deg, #7c3aed, #6d28d9); }
.case-cover-3 { background: linear-gradient(135deg, #0891b2, #0e7490); }
.case-cover-4 { background: linear-gradient(135deg, #f97316, #ea580c); }
.case-cover svg { position: relative; z-index: 1; }

.case-type {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .28);
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.case-body { padding: 26px 26px 28px; }
.case-body h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.case-body p { font-size: 14px; color: var(--muted); margin-bottom: 20px; }

.case-meta {
  display: flex;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.case-meta span { font-size: 13px; color: var(--muted); }
.case-meta strong { display: block; font-size: 20px; font-weight: 800; color: var(--primary); line-height: 1.3; }

/* ============================================================
   合作流程
   ============================================================ */
.process { background: var(--bg-soft); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: all .3s ease;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-num {
  display: inline-block;
  font-size: 30px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--primary);
  opacity: .85;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ============================================================
   联系我们
   ============================================================ */
.contact {
  background: var(--bg-dark);
  background-image: radial-gradient(ellipse 50% 80% at 85% 20%, rgba(37, 99, 235, .22), transparent),
                    radial-gradient(ellipse 40% 60% at 10% 90%, rgba(124, 58, 237, .16), transparent);
  color: #fff;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.contact-info .section-eyebrow { color: #60a5fa; }
.contact-info h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.35;
  margin: 12px 0 18px;
}
.contact-info > p { color: rgba(255, 255, 255, .7); margin-bottom: 36px; }

.contact-list { display: grid; gap: 22px; }
.contact-list li { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(37, 99, 235, .16);
  color: #60a5fa;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(37, 99, 235, .3);
}
.contact-list small { display: block; font-size: 12.5px; color: rgba(255, 255, 255, .5); margin-bottom: 3px; }
.contact-list strong { font-size: 15.5px; color: #fff; font-weight: 600; }

.contact-form {
  background: #fff;
  color: var(--ink-soft);
  border-radius: 20px;
  padding: 38px 34px;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 { font-size: 22px; font-weight: 800; color: var(--ink); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-soft); margin-bottom: 8px; }
.form-group label i { color: #ef4444; font-style: normal; }
.form-group input,
.form-group textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14.5px;
  color: var(--ink);
  background: var(--bg-soft);
  transition: all .25s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}
.form-tip { text-align: center; font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: #080d19; color: #94a3b8; padding: 64px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo-text strong { color: #fff; }
.footer-brand .logo-text small { color: #64748b; }
.footer-brand p { font-size: 14px; line-height: 1.9; margin-top: 18px; max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-col a {
  display: block;
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 12px;
  transition: color .25s, padding-left .25s;
}
.footer-col a:hover { color: #60a5fa; padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  padding-bottom: 24px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  color: #64748b;
}
.footer-bottom a { color: #64748b; transition: color .25s; }
.footer-bottom a:hover { color: #60a5fa; }

/* ============================================================
   滚动进场动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .scroll-down svg, .about-card-mini, .about-card-badge { animation: none; }
}

/* ============================================================
   响应式 - 平板
   ============================================================ */
@media (max-width: 1024px) {
  .about-inner { gap: 40px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .desktop-only { display: none; }
}

/* ============================================================
   响应式 - 手机
   ============================================================ */
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .container { padding: 0 20px; }

  /* 导航 */
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, .98);
    backdrop-filter: blur(14px);
    padding: 10px 20px 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 32px rgba(15, 23, 42, .12);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: all .35s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { padding: 14px 4px; font-size: 16px; border-bottom: 1px solid rgba(226, 232, 240, .6); }
  .nav-link::after { display: none; }
  .nav-cta { display: inline-flex; margin-top: 18px; }
  .nav-toggle { display: flex; }

  /* Hero */
  .hero { padding: 120px 0 80px; text-align: center; }
  .hero-content { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { gap: 24px 0; }
  .stat-item { flex: 1 1 45%; }
  .scroll-down { display: none; }

  /* 关于 */
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-media { max-width: 420px; margin: 0 auto; width: 100%; }
  .about-card-main { min-height: 280px; padding: 44px 32px; }
  .about-card-mini { right: 0; }
  .about-card-badge { left: 0; }

  /* 联系 */
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-form { padding: 30px 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .hero h1 { font-size: 30px; }
  .hero-actions .btn { width: 100%; }
  .process-steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .btn-lg { padding: 13px 24px; font-size: 15px; }
}