/* =====================================================
   享百城 - 企业数字化系统官网 全局样式
   ===================================================== */

/* ---------- 变量与基础 ---------- */
:root {
  --primary: #2b5cf0;
  --primary-dark: #1d43c8;
  --grad: linear-gradient(135deg, #2b5cf0 0%, #7b3ff2 100%);
  --text: #1f2329;
  --muted: #5e6772;
  --bg-soft: #f5f7fb;
  --line: #e8ecf3;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(31, 55, 105, 0.08);
  --shadow-lg: 0 20px 50px rgba(31, 55, 105, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all .25s;
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(43, 92, 240, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(43, 92, 240, .45); color: #fff; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .6); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.btn-outline { border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 9px 22px; font-size: 14px; }
.btn-lg { padding: 15px 40px; font-size: 16px; }

/* 通用区块 */
.section { padding: 90px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 55px; }
.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--primary);
  background: rgba(43, 92, 240, .08);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: 34px; font-weight: 700; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 16px; }

/* 滚动进入动画 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: all .3s;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(20, 40, 90, .08); border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; height: 72px; gap: 30px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.logo-text { font-size: 22px; font-weight: 700; line-height: 1.1; }
.logo-text i { display: block; font-style: normal; font-size: 11px; font-weight: 500; letter-spacing: 2px; color: var(--muted); }

.nav { flex: 1; }
.nav > ul { display: flex; justify-content: center; gap: 6px; }
.nav > ul > li { position: relative; }
.nav > ul > li > a {
  display: flex; align-items: center; gap: 4px;
  padding: 10px 16px;
  font-size: 15px;
  color: var(--text);
  border-radius: 8px;
}
.nav > ul > li > a:hover, .nav > ul > li > a.active { color: var(--primary); background: rgba(43, 92, 240, .06); }
.nav .caret { transition: transform .25s; }
.has-sub:hover .caret { transform: rotate(180deg); }

/* 下拉菜单 */
.sub-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 300px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: all .25s;
}
.has-sub:hover .sub-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.sub-menu a {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  transition: background .2s;
}
.sub-menu a:hover { background: var(--bg-soft); }
.sub-menu b { display: block; font-size: 14.5px; }
.sub-menu span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.header-right { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }

/* 移动端汉堡按钮 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all .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); }

/* ---------- Banner 轮播 ---------- */
.banner { position: relative; height: 600px; overflow: hidden; margin-top: 72px; }
.slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; visibility: hidden;
  transition: opacity .8s ease, visibility .8s;
}
.slide.active { opacity: 1; visibility: visible; }
.slide-1 { background: linear-gradient(120deg, #eef3ff 0%, #f3edff 100%); }
.slide-2 { background: linear-gradient(120deg, #fff4ec 0%, #eef6ff 100%); }
.slide-3 { background: linear-gradient(120deg, #0d1b3e 0%, #16276b 55%, #3b2a8f 100%); }

.slide-inner { display: flex; align-items: center; gap: 40px; width: 100%; }
.slide-text { flex: 1; }
.slide-text .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.slide-1 .tag, .slide-2 .tag { background: rgba(43, 92, 240, .1); color: var(--primary); }
.slide-3 .tag { background: rgba(255, 255, 255, .15); color: #9fc0ff; }
.slide-text h1 { font-size: 44px; font-weight: 700; line-height: 1.25; margin-bottom: 16px; }
.slide-text p { font-size: 17px; color: var(--muted); max-width: 540px; margin-bottom: 32px; }
.slide-3 .slide-text h1 { color: #fff; }
.slide-3 .slide-text p { color: #a8b6d8; }
.slide-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.slide-btns .btn-outline { border-color: var(--primary); }
.slide-3 .slide-btns .btn-primary { background: #fff; color: var(--primary); box-shadow: none; }
.slide-3 .slide-btns .btn-ghost { border-color: rgba(255,255,255,.5); }

.slide-img { flex-shrink: 0; width: 46%; max-width: 560px; }
.slide-img img { width: 100%; border-radius: 18px; box-shadow: var(--shadow-lg); }

.banner-dots {
  position: absolute; bottom: 26px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 5;
}
.banner-dots button {
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .2);
  transition: all .3s;
}
.banner-dots button.on { width: 28px; background: var(--primary); }
.banner-dots.light button { background: rgba(255, 255, 255, .4); }
.banner-dots.light button.on { background: #fff; }

.banner-arrow {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .75);
  box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--text);
  transition: all .25s;
}
.banner-arrow:hover { background: #fff; color: var(--primary); }
.banner-arrow.prev { left: 24px; }
.banner-arrow.next { right: 24px; }

/* ---------- 数据统计 ---------- */
.stats { padding: 60px 0; background: #fff; border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; }
.stat-num { font-size: 42px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-num i { font-style: normal; font-size: 24px; }
.stat p { color: var(--muted); margin-top: 4px; }

/* ---------- 产品中心 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card .pic { height: 250px; overflow: hidden; background: var(--bg-soft); }
.product-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .pic img { transform: scale(1.05); }
.product-card .body { padding: 26px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.product-card .body .sub { font-size: 13px; color: var(--primary); font-weight: 600; letter-spacing: 1px; margin-bottom: 6px; }
.product-card h3 { font-size: 21px; margin-bottom: 8px; }
.product-card .desc { color: var(--muted); font-size: 14.5px; margin-bottom: 14px; }
.product-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.product-card .tags span {
  font-size: 12.5px;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 3px 12px;
  border-radius: 999px;
}
.product-card .more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; font-size: 14.5px; }
.product-card .more svg { transition: transform .25s; }
.product-card .more:hover svg { transform: translateX(4px); }

/* ---------- 核心能力 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: all .3s;
}
.section-soft .feature-card { border-color: transparent; }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--grad);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); }

/* ---------- 解决方案 Tabs ---------- */
.tab-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 40px; }
.tab-btn {
  padding: 10px 26px;
  border-radius: 999px;
  font-size: 15px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  transition: all .25s;
}
.tab-btn:hover { color: var(--primary); border-color: var(--primary); }
.tab-btn.on { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 6px 16px rgba(43, 92, 240, .3); }
.tab-panel { display: none; }
.tab-panel.on { display: block; animation: fadeIn .5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.tab-content { display: flex; gap: 50px; align-items: center; }
.tab-info { flex: 1; }
.tab-info h3 { font-size: 24px; margin-bottom: 12px; }
.tab-info > p { color: var(--muted); margin-bottom: 22px; }
.tab-info ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; }
.tab-info li { display: flex; align-items: center; gap: 9px; font-size: 14.5px; }
.tab-info li svg { color: var(--primary); flex-shrink: 0; }
.tab-visual { flex-shrink: 0; width: 340px; height: 250px; border-radius: 16px; background: var(--grad); display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: var(--shadow-lg); }

/* ---------- 服务保障 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.service-card { text-align: center; padding: 36px 22px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); transition: all .3s; }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.service-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(43, 92, 240, .08);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.service-card h3 { font-size: 17px; margin-bottom: 6px; }
.service-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- 合作流程 ---------- */
.steps { display: flex; justify-content: space-between; position: relative; max-width: 1000px; margin: 0 auto; }
.steps::before {
  content: "";
  position: absolute;
  top: 32px; left: 8%; right: 8%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
}
.step { position: relative; text-align: center; width: 150px; }
.step-num {
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 22px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  z-index: 1;
}
.step h4 { font-size: 16px; margin-bottom: 4px; }
.step p { font-size: 13px; color: var(--muted); }

/* ---------- CTA ---------- */
.cta { background: var(--grad); padding: 70px 0; text-align: center; color: #fff; }
.cta h2 { font-size: 32px; margin-bottom: 10px; }
.cta p { opacity: .85; margin-bottom: 30px; font-size: 16px; }
.cta .btn { background: #fff; color: var(--primary); box-shadow: 0 10px 24px rgba(0, 0, 0, .18); }
.cta .btn:hover { transform: translateY(-2px); }

/* ---------- 页脚 ---------- */
.site-footer { background: #12161f; color: #a6adbd; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 70px 0 50px;
}
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text i { color: #6b7488; }
.footer-brand p { font-size: 13.5px; margin-top: 16px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { font-size: 13.5px; color: #a6adbd; }
.footer-col ul a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; }
.footer-contact svg { flex-shrink: 0; margin-top: 4px; color: #5a6578; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  font-size: 12.5px;
  color: #6b7488;
}
.footer-bottom .container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.footer-bottom a { color: #6b7488; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .beian-icon {
  width: 15px;
  height: 15px;
  vertical-align: middle;
  margin: 0 2px 0 0;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(43, 92, 240, .4);
  opacity: 0; visibility: hidden;
  transition: all .3s;
  z-index: 900;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-4px); }

/* ---------- 试用申请弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(10, 18, 40, .55);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff;
  border-radius: 16px;
  width: 420px;
  max-width: 100%;
  padding: 36px 34px;
  position: relative;
  animation: fadeIn .3s ease;
}
.modal h3 { font-size: 21px; text-align: center; margin-bottom: 6px; }
.modal .modal-tip { text-align: center; color: var(--muted); font-size: 13.5px; margin-bottom: 24px; }
.modal-close { position: absolute; top: 14px; right: 14px; font-size: 20px; color: var(--muted); width: 34px; height: 34px; border-radius: 50%; }
.modal-close:hover { background: var(--bg-soft); color: var(--text); }
.modal-qrcode { text-align: center; padding: 6px 0 2px; }
.modal-qrcode img { width: 240px; max-width: 100%; margin: 0 auto; border-radius: 10px; border: 1px solid var(--line); }

/* ---------- 产品详情页 ---------- */
.page-hero { background: var(--grad); color: #fff; padding: 150px 0 80px; position: relative; overflow: hidden; }
.page-hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.page-hero::before {
  content: "";
  position: absolute;
  right: 80px; bottom: -160px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}
.breadcrumb { font-size: 13.5px; opacity: .8; margin-bottom: 14px; }
.breadcrumb a { color: #fff; opacity: .85; }
.breadcrumb a:hover { opacity: 1; }
.page-hero h1 { font-size: 38px; margin-bottom: 12px; }
.page-hero p { font-size: 17px; opacity: .88; max-width: 640px; }

.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.intro-grid .pic { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-lg); background: var(--bg-soft); }
.intro-grid .pic img { width: 100%; height: 100%; object-fit: cover; }
.intro-text h2 { font-size: 28px; margin-bottom: 14px; }
.intro-text p { color: var(--muted); margin-bottom: 14px; font-size: 15px; }
.intro-text .check-list { margin: 20px 0 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.intro-text .check-list li { display: flex; gap: 8px; align-items: center; font-size: 14.5px; }
.intro-text .check-list svg { color: var(--primary); flex-shrink: 0; }

/* 功能网格 */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feat-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: all .3s;
}
.feat-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.feat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(43, 92, 240, .08);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.feat-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.feat-item p { font-size: 13.5px; color: var(--muted); }

/* 场景卡片 */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.scene-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 24px;
  border-top: 3px solid transparent;
  border-image: var(--grad) 1;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all .3s;
}
.scene-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.scene-card h3 { font-size: 17px; margin-bottom: 8px; }
.scene-card p { font-size: 13.5px; color: var(--muted); }

/* 优势区 */
.adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.adv-item { display: flex; gap: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: all .3s; }
.adv-item:hover { box-shadow: var(--shadow-lg); }
.adv-num { font-size: 30px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; flex-shrink: 0; }
.adv-item h3 { font-size: 17px; margin-bottom: 6px; }
.adv-item p { font-size: 13.5px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav > ul > li > a { padding: 10px 10px; font-size: 14px; }
}

@media (max-width: 900px) {
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 27px; }

  /* 移动端导航 */
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: #fff;
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }
  .nav.open { max-height: 480px; border-top: 1px solid var(--line); }
  .nav > ul { flex-direction: column; padding: 12px 20px; gap: 2px; }
  .nav > ul > li > a { padding: 13px 10px; font-size: 15px; }
  .sub-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding: 0 0 8px 16px;
    display: none;
    width: auto;
  }
  .has-sub.open .sub-menu { display: block; }
  .has-sub:hover .sub-menu { transform: none; }
  .nav-toggle { display: flex; }

  /* Banner */
  .banner { height: auto; }
  .slide { position: relative; display: none; padding: 50px 0 60px; }
  .slide.active { display: block; }
  .slide-inner { flex-direction: column; text-align: center; }
  .slide-text h1 { font-size: 30px; }
  .slide-text p { font-size: 15px; margin-left: auto; margin-right: auto; }
  .slide-btns { justify-content: center; }
  .slide-img { width: 100%; max-width: 440px; margin-top: 30px; }
  .banner-arrow { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 10px; }
  .product-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .tab-content { flex-direction: column; }
  .tab-visual { width: 100%; }
  .service-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps { flex-wrap: wrap; gap: 26px; justify-content: center; }
  .steps::before { display: none; }
  .step { width: 40%; }
  .footer-top { grid-template-columns: 1fr 1fr; padding: 50px 0 30px; }
  .intro-grid { grid-template-columns: 1fr; gap: 30px; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .page-hero { padding: 130px 0 60px; }
  .page-hero h1 { font-size: 30px; }
  .adv-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .feature-grid, .service-grid, .feat-grid, .scene-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .slide-text h1 { font-size: 26px; }
  .header-right .btn { padding: 8px 16px; font-size: 13px; }
  .step { width: 100%; }
  .intro-text .check-list { grid-template-columns: 1fr; }
  .tab-info ul { grid-template-columns: 1fr; }
}