/* ============================================================
   静态建站 · 安防行业网站建设
   域名：https://anfang.ningkailiang.com
   主题样式表 jianzhan.css —— 响应式 / 高端大气 / 轻量高效
   ============================================================ */

:root {
  --navy: #0b1f3a;
  --navy-2: #14315c;
  --blue: #1f6feb;
  --blue-2: #3b82f6;
  --cyan: #22d3ee;
  --gold: #f5b301;
  --green: #12b76a;
  --red: #e5484d;
  --text: #24303f;
  --muted: #5b6b7f;
  --line: #e5eaf1;
  --bg: #f5f8fc;
  --white: #fff;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 10px 30px rgba(11, 31, 58, .08);
  --shadow-lg: 0 18px 48px rgba(11, 31, 58, .16);
  --grad: linear-gradient(135deg, #1f6feb 0%, #22d3ee 100%);
  --grad-navy: linear-gradient(120deg, #0b1f3a 0%, #14315c 55%, #1f6feb 135%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.3; color: var(--navy); }

.container { width: min(1180px, 92%); margin: 0 auto; }
.hidden { display: none !important; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; border: 0; cursor: pointer;
  font-size: 16px; font-weight: 600; font-family: inherit; line-height: 1.4;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(31, 111, 235, .35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(31, 111, 235, .45); }
.btn-ghost { border: 1.5px solid rgba(255, 255, 255, .75); color: #fff; background: transparent; }
.btn-ghost:hover { background: #fff; color: var(--navy); transform: translateY(-3px); }
.btn-outline { border: 1.5px solid var(--blue); color: var(--blue); background: transparent; }
.btn-outline:hover { background: var(--blue); color: #fff; transform: translateY(-3px); }
.btn-white { background: #fff; color: var(--blue); box-shadow: 0 8px 22px rgba(0, 0, 0, .18); }
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0, 0, 0, .25); }
.btn-nav { padding: 9px 22px; font-size: 14.5px; }
.btn-sm { padding: 10px 22px; font-size: 14.5px; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 44px; height: 44px; border-radius: 10px; object-fit: cover; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand-txt strong { font-size: 19px; color: var(--navy); letter-spacing: 1px; }
.brand-txt em { font-style: normal; font-size: 12px; color: var(--muted); letter-spacing: 2.5px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav > a { font-size: 15.5px; font-weight: 500; color: #33445c; position: relative; padding: 6px 0; }
.site-nav > a:hover { color: var(--blue); }
.site-nav > a.active { color: var(--blue); font-weight: 600; }
.site-nav > a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px;
  border-radius: 3px; background: var(--grad);
}
.nav-toggle { display: none; }
.nav-burger { display: none; }

/* ---------------- 首页 Banner ---------------- */
.hero {
  position: relative; color: #fff;
  background: #0b1f3a url("/img/banner.jpg") center / cover no-repeat;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(7, 20, 40, .93) 0%, rgba(11, 31, 58, .8) 45%, rgba(31, 111, 235, .5) 100%);
}
.hero-inner { position: relative; padding: 108px 0 92px; }
.hero-tag {
  display: inline-block; padding: 7px 18px; border-radius: 999px;
  background: rgba(59, 130, 246, .18); border: 1px solid rgba(96, 165, 250, .45);
  color: #bfd7ff; font-size: 14px; letter-spacing: 2px; margin-bottom: 22px;
}
.hero h1 { color: #fff; font-size: clamp(30px, 4.6vw, 52px); font-weight: 800; letter-spacing: 1px; margin-bottom: 20px; }
.hero h1 .hl { background: linear-gradient(90deg, #4da3ff, #22d3ee); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { max-width: 660px; font-size: 17px; color: rgba(255, 255, 255, .88); margin-bottom: 34px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats { display: flex; flex-wrap: wrap; margin-top: 52px; }
.hero-stats li { padding: 0 34px; border-left: 1px solid rgba(255, 255, 255, .22); }
.hero-stats li:first-child { padding-left: 0; border-left: 0; }
.hero-stats strong { display: block; font-size: 27px; font-weight: 800; color: #fff; }
.hero-stats span { font-size: 13.5px; color: rgba(255, 255, 255, .72); }

/* ---------------- 通用区块 ---------------- */
.section { padding: 86px 0; }
.section.alt { background: var(--white); }
.section-head { max-width: 760px; margin: 0 auto 54px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 4px;
  color: var(--blue); text-transform: uppercase; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(25px, 3vw, 37px); font-weight: 800; margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 16.5px; }
.section-head.left { text-align: left; margin-left: 0; }

.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------------- 品牌介绍（图文左右） ---------------- */
.split { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.split figure { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.split figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.split h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 18px; }
.split p { color: var(--muted); margin-bottom: 16px; }
.tick-list li { position: relative; padding: 6px 0 6px 30px; color: #33445c; font-size: 15.5px; }
.tick-list li::before {
  content: "✔"; position: absolute; left: 0; top: 6px;
  color: var(--green); font-weight: 700;
}
.split-cta { margin-top: 26px; display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------------- 优势卡片 ---------------- */
.adv-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .3s, box-shadow .3s, border-color .3s;
}
.adv-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: rgba(31, 111, 235, .35); }
.adv-card .icon {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, #eaf2ff, #e6fbff); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
}
.adv-card .icon svg { width: 27px; height: 27px; }
.adv-card h3 { font-size: 17.5px; margin-bottom: 10px; }
.adv-card p { font-size: 14.5px; color: var(--muted); }

/* ---------------- 报价卡片 ---------------- */
.price-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 42px 34px 34px; text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
  box-shadow: var(--shadow-lg);
}
.price-badge {
  position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: #4a3200; font-size: 12.5px; font-weight: 700;
  padding: 5px 18px; border-radius: 999px; letter-spacing: 1px; white-space: nowrap;
}
.price-card h3 { font-size: 20px; margin-bottom: 8px; }
.price-card .price-desc { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.price { margin-bottom: 22px; color: var(--navy); }
.price .num { font-size: 46px; font-weight: 800; letter-spacing: -1px; }
.price .unit { font-size: 15px; color: var(--muted); }
.price-card ul { text-align: left; margin-bottom: 28px; }
.price-card ul li {
  position: relative; padding: 6px 0 6px 28px; font-size: 14.5px; color: #33445c;
}
.price-card ul li::before {
  content: "✔"; position: absolute; left: 0; color: var(--green); font-weight: 700;
}
.price-card .btn { margin-top: auto; }

/* ---------------- 对比表格 ---------------- */
.table-wrap {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); overflow-x: auto;
}
.compare { width: 100%; border-collapse: collapse; min-width: 660px; }
.compare thead th {
  background: var(--navy); color: #fff; text-align: left;
  padding: 17px 22px; font-size: 15.5px; letter-spacing: 1px;
}
.compare thead th:nth-child(3) { color: #7dd3fc; }
.compare tbody th { text-align: left; padding: 15px 22px; font-weight: 600; color: var(--navy); font-size: 15px; white-space: nowrap; }
.compare tbody td { padding: 15px 22px; font-size: 14.5px; color: var(--muted); border-top: 1px solid var(--line); }
.compare tbody tr:nth-child(even) { background: #f8fafd; }
.compare td.good { color: var(--blue); font-weight: 600; }

/* ---------------- 服务流程 ---------------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 18px; text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num {
  width: 46px; height: 46px; border-radius: 50%; margin: 0 auto 14px;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }
.step:not(:last-child)::after {
  content: "→"; position: absolute; right: -17px; top: 50%; transform: translateY(-50%);
  color: #b8c6da; font-size: 20px; font-weight: 700; z-index: 1;
}

/* ---------------- 案例展示 ---------------- */
.showcase { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.showcase figure {
  position: relative; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow);
  background: var(--navy);
}
.showcase img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .55s ease; }
.showcase figure:hover img { transform: scale(1.07); }
.showcase figcaption {
  position: absolute; inset: auto 0 0 0; padding: 40px 18px 14px;
  background: linear-gradient(transparent, rgba(7, 20, 40, .88));
  color: #fff; font-size: 15px; font-weight: 600; letter-spacing: 1px;
}

/* ---------------- 适用范围 ---------------- */
.scope-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; transition: transform .3s, box-shadow .3s;
}
.scope-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.scope-card .icon {
  min-width: 46px; height: 46px; border-radius: 12px; color: var(--blue);
  background: linear-gradient(135deg, #eaf2ff, #e6fbff);
  display: flex; align-items: center; justify-content: center;
}
.scope-card .icon svg { width: 24px; height: 24px; }
.scope-card h3 { font-size: 16.5px; margin-bottom: 6px; }
.scope-card p { font-size: 14px; color: var(--muted); }

/* ---------------- 售后保障 ---------------- */
.care-card {
  background: linear-gradient(150deg, #ffffff, #f2f7ff);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px 32px; text-align: center;
}
.care-card .icon {
  width: 62px; height: 62px; border-radius: 50%; margin: 0 auto 18px;
  background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(31, 111, 235, .35);
}
.care-card .icon svg { width: 30px; height: 30px; }
.care-card h3 { font-size: 19px; margin-bottom: 10px; }
.care-card p { color: var(--muted); font-size: 15px; }

/* ---------------- CTA 横幅 ---------------- */
.cta-band {
  background: linear-gradient(120deg, #0b1f3a 0%, #17406f 60%, #1f6feb 120%);
  border-radius: 22px; padding: 54px 50px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, .82); font-size: 15.5px; }

/* ---------------- 内页 Banner ---------------- */
.page-hero { background: var(--grad-navy); color: #fff; text-align: center; padding: 76px 0 66px; }
.page-hero .crumbs { font-size: 13px; color: rgba(255, 255, 255, .65); margin-bottom: 16px; }
.page-hero .crumbs a { color: rgba(255, 255, 255, .85); }
.page-hero .crumbs a:hover { color: #fff; }
.page-hero h1 { color: #fff; font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; margin-bottom: 14px; }
.page-hero p { max-width: 680px; margin: 0 auto; color: rgba(255, 255, 255, .82); font-size: 16px; }

/* ---------------- 服务详情块 ---------------- */
.service-block { display: grid; grid-template-columns: 1fr 1.1fr; gap: 52px; align-items: center; padding: 56px 0; }
.service-block + .service-block { border-top: 1px dashed var(--line); }
.service-block.reverse .service-img { order: 2; }
.service-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.service-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.service-price {
  display: inline-block; background: rgba(31, 111, 235, .08); color: var(--blue);
  border: 1px solid rgba(31, 111, 235, .25); border-radius: 999px;
  padding: 6px 18px; font-size: 24px; font-weight: 800; margin-bottom: 16px;
}
.service-price span { font-size: 14px; font-weight: 500; color: var(--muted); }
.service-body h2 { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 14px; }
.service-body > p { color: var(--muted); margin-bottom: 16px; }
.service-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 24px; }
.service-meta span {
  background: #f0f5fc; border: 1px solid var(--line); color: #33445c;
  font-size: 13px; padding: 5px 14px; border-radius: 999px;
}
.service-body .btn { margin-top: 6px; }

/* ---------------- FAQ ---------------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq-list details {
  background: var(--white); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-list details[open] { border-color: rgba(31, 111, 235, .45); box-shadow: var(--shadow); }
.faq-list summary {
  cursor: pointer; list-style: none; position: relative;
  padding: 20px 58px 20px 24px; font-size: 16.5px; font-weight: 600; color: var(--navy);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  font-size: 24px; font-weight: 400; color: var(--blue); transition: transform .3s;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 24px 22px; color: var(--muted); font-size: 15px; }
.faq-ask { text-align: center; margin-top: 40px; color: var(--muted); font-size: 15px; }
.faq-ask a { color: var(--blue); font-weight: 600; }
.faq-ask a:hover { text-decoration: underline; }

/* ---------------- 联系我们 ---------------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.35fr; gap: 36px; align-items: start; }
.info-card {
  background: var(--grad-navy); color: #fff; border-radius: var(--radius-lg);
  padding: 34px 32px; box-shadow: var(--shadow-lg);
}
.info-card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 12px; margin-bottom: 24px; }
.info-card h3 { color: #fff; font-size: 20px; margin-bottom: 18px; }
.info-card li { display: flex; gap: 13px; margin-bottom: 18px; align-items: flex-start; }
.info-card .ico {
  min-width: 40px; height: 40px; border-radius: 11px; background: rgba(96, 165, 250, .18);
  color: #9cc3ff; display: flex; align-items: center; justify-content: center;
}
.info-card .ico svg { width: 21px; height: 21px; }
.info-card strong { display: block; font-size: 15.5px; color: #fff; }
.info-card p { font-size: 13.5px; color: rgba(255, 255, 255, .75); }

.form-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 42px 40px; box-shadow: var(--shadow);
}
.form-card h2 { font-size: 24px; margin-bottom: 8px; }
.form-card .form-desc { color: var(--muted); font-size: 14.5px; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.field .req { color: var(--red); margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; color: var(--text); background: #fbfcfe;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); background: #fff;
  box-shadow: 0 0 0 4px rgba(31, 111, 235, .12);
}
.form-tip { font-size: 13px; color: var(--muted); margin: 4px 0 20px; }
.form-msg { padding: 15px 20px; border-radius: 12px; font-size: 14.5px; margin-bottom: 20px; }
.form-success { background: #ecfdf3; border: 1px solid #86dfb1; color: #0a7d4f; }
.form-error { background: #fef2f2; border: 1px solid #f5b0ae; color: #b42318; }
.form-success strong { display: block; font-size: 16px; margin-bottom: 4px; }

/* 蜜罐字段：对人类用户不可见、不可聚焦 */
.hp-wrap {
  position: absolute !important; left: -9999px !important; top: -9999px !important;
  width: 1px !important; height: 1px !important; overflow: hidden !important;
  opacity: 0 !important; visibility: hidden !important;
}

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .72); margin-top: 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: 40px;
  padding: 64px 0 46px;
}
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: 1px; }
.site-footer ul li { margin-bottom: 10px; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.brand-light .brand-txt strong { color: #fff; }
.brand-light .brand-txt em { color: rgba(255, 255, 255, .6); }
.footer-brand p { font-size: 14px; margin-top: 16px; max-width: 340px; }
.footer-cta { color: #7dd3fc; font-weight: 600; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12); padding: 20px 0 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: rgba(255, 255, 255, .55);
}
.footer-bottom a { color: #7dd3fc; }

/* ---------------- 面包屑（内页顶部） ---------------- */
.breadcrumb { font-size: 13.5px; color: var(--muted); padding: 18px 0 0; }
.breadcrumb a { color: var(--blue); }
.breadcrumb a:hover { text-decoration: underline; }

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1024px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .showcase { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 920px) {
  .header-inner { position: relative; }
  .nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
  .nav-burger {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px;
    cursor: pointer; gap: 0;
  }
  .nav-burger span, .nav-burger::before, .nav-burger::after {
    content: ""; display: block; width: 20px; height: 2px; border-radius: 2px;
    background: var(--navy); margin: 2.5px 0; transition: transform .3s, opacity .3s;
  }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg); padding: 14px 4% 20px;
  }
  .site-nav > a { padding: 12px 8px; border-radius: 8px; font-size: 16px; }
  .site-nav > a.active::after { display: none; }
  .site-nav > a:hover { background: #f0f5fc; }
  .site-nav .btn-nav { margin-top: 10px; text-align: center; }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .nav-toggle:checked ~ .nav-burger span { opacity: 0; }
  .nav-toggle:checked ~ .nav-burger::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger::after { transform: translateY(-7px) rotate(-45deg); }

  .split, .service-block, .contact-wrap { grid-template-columns: 1fr; gap: 32px; }
  .service-block.reverse .service-img { order: 0; }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .g-2 { grid-template-columns: 1fr; }
  .hero-inner { padding: 84px 0 70px; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .section { padding: 60px 0; }
  .g-3, .g-4, .steps, .showcase { grid-template-columns: 1fr; }
  .hero-inner { padding: 66px 0 56px; }
  .hero-sub { font-size: 15.5px; }
  .hero-stats { margin-top: 36px; }
  .hero-stats li { padding: 0 18px; }
  .hero-stats strong { font-size: 21px; }
  .hero-stats span { font-size: 12.5px; }
  .cta-band { padding: 38px 26px; }
  .form-card { padding: 30px 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .info-card { padding: 26px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 48px 0 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .brand img { width: 38px; height: 38px; }
  .brand-txt strong { font-size: 17px; }
  .brand-txt em { font-size: 10.5px; letter-spacing: 1.5px; }
}