/* ============================================================
   恒讯通 · 企业官网样式表
   贵阳一点跳动计算机系统有限公司
   完全离线可用，无任何外部依赖
   ============================================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --accent: #06b6d4;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --bg: #ffffff;
  --bg-soft: #f1f5f9;
  --bg-deep: #0b1220;
  --bg-deep-2: #0f1a30;
  --line: #e2e8f0;
  --danger: #ef4444;
  --success: #10b981;
  --warn: #f59e0b;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, .10);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .16);
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------- 通用标题 ---------- */
.section { padding: 92px 0; }
.section--soft { background: var(--bg-soft); }
.section--deep {
  background: linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
  color: #e2e8f0;
}
.section--deep h2, .section--deep h3 { color: #fff; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 58px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px; color: var(--primary);
  background: rgba(37, 99, 235, .08);
  border: 1px solid rgba(37, 99, 235, .18);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 18px;
  font-weight: 600;
}
.section--deep .section-tag {
  color: #7dd3fc; background: rgba(125, 211, 252, .08);
  border-color: rgba(125, 211, 252, .25);
}
.section-head h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: 1px; }
.section-head p { margin-top: 14px; color: var(--ink-3); font-size: 15.5px; }
.section--deep .section-head p { color: #94a3b8; }

/* ============================================================
   顶部导航
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: 72px; background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, .7);
  transition: box-shadow .3s ease;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }

.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 19px;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
}
.brand-name { font-size: 19px; font-weight: 800; letter-spacing: .5px; }
.brand-sub { font-size: 11px; color: var(--ink-3); letter-spacing: 2px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 8px 14px; border-radius: 10px; font-size: 14.5px; color: var(--ink-2);
  transition: all .2s ease; font-weight: 500;
}
.nav-links a:hover { color: var(--primary); background: rgba(37, 99, 235, .07); }
.nav-links a.active { color: var(--primary); background: rgba(37, 99, 235, .1); font-weight: 600; }

.nav-cta {
  margin-left: 12px;
  padding: 9px 20px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff !important; font-weight: 600; box-shadow: 0 6px 16px rgba(37, 99, 235, .3);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(37, 99, 235, .4); }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: none; border-radius: 10px;
  background: var(--bg-soft); flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   首页轮播
   ============================================================ */
.hero { position: relative; min-height: 620px; padding-top: 72px; overflow: hidden; }

.slider { position: relative; height: 100%; min-height: 620px; }
.slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  display: flex; align-items: center;
  transition: opacity .8s ease, visibility .8s ease;
  overflow: hidden;
}
.slide.active { opacity: 1; visibility: visible; z-index: 2; }

.slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11, 18, 32, .92) 0%, rgba(15, 26, 48, .72) 55%, rgba(15, 26, 48, .30) 100%);
  z-index: 1;
}

/* 幻灯片装饰背景 */
.slide .deco { position: absolute; z-index: 0; border-radius: 50%; filter: blur(90px); opacity: .5; }
.slide .deco.d1 { width: 520px; height: 520px; right: -80px; top: -120px; background: radial-gradient(circle, #2563eb, transparent 70%); }
.slide .deco.d2 { width: 420px; height: 420px; left: -100px; bottom: -160px; background: radial-gradient(circle, #06b6d4, transparent 70%); }
.slide .deco.d3 { width: 340px; height: 340px; right: 30%; bottom: -140px; background: radial-gradient(circle, #7c3aed, transparent 70%); }

.slide-content { position: relative; z-index: 2; width: min(1200px, 92%); margin: 0 auto; padding: 90px 0; color: #fff; }

.slide-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px; color: #7dd3fc;
  background: rgba(125, 211, 252, .1); border: 1px solid rgba(125, 211, 252, .3);
  padding: 7px 18px; border-radius: 999px; margin-bottom: 24px;
}
.slide-content h1 {
  font-size: clamp(34px, 5.4vw, 58px); font-weight: 900; line-height: 1.25; letter-spacing: 1px;
}
.slide-content h1 .grad {
  background: linear-gradient(90deg, #60a5fa, #22d3ee);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.slide-content .lead {
  margin-top: 22px; font-size: clamp(15px, 1.8vw, 18px); color: #cbd5e1;
  max-width: 640px; line-height: 1.9;
}
.slide-actions { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 12px; font-size: 15px; font-weight: 600;
  border: none; transition: all .25s ease; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff; box-shadow: 0 8px 22px rgba(37, 99, 235, .4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37, 99, 235, .5); }
.btn-ghost-light {
  background: rgba(255, 255, 255, .08); color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, .25); backdrop-filter: blur(6px);
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, .16); transform: translateY(-2px); }
.btn-ghost {
  background: var(--bg-soft); color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.slide-stats {
  display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap;
}
.slide-stats .stat b { display: block; font-size: 28px; font-weight: 800; color: #fff; }
.slide-stats .stat span { font-size: 13px; color: #94a3b8; letter-spacing: 1px; }

/* 轮播指示点 */
.slider-dots {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 10;
}
.slider-dots button {
  width: 10px; height: 10px; border-radius: 999px; border: none;
  background: rgba(255, 255, 255, .35); transition: all .3s ease;
}
.slider-dots button.active { width: 30px; background: #60a5fa; }

/* 轮播箭头 */
.slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .08); color: #fff; font-size: 20px;
  display: flex; align-items: center; justify-content: center; z-index: 10;
  backdrop-filter: blur(6px); transition: all .25s ease;
}
.slider-arrow:hover { background: rgba(255, 255, 255, .2); transform: translateY(-50%) scale(1.08); }
.slider-arrow.prev { left: 22px; }
.slider-arrow.next { right: 22px; }

/* ============================================================
   软件介绍
   ============================================================ */
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }

.intro-copy h3 { font-size: 24px; font-weight: 800; margin-bottom: 18px; line-height: 1.5; }
.intro-copy p { color: var(--ink-3); margin-bottom: 16px; font-size: 15.5px; }
.intro-copy .hl { color: var(--primary); font-weight: 700; }

.intro-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.intro-feats li {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--bg-soft); border: 1px solid var(--line);
  padding: 14px 16px; border-radius: 12px; font-size: 14px; color: var(--ink-2); font-weight: 500;
}
.intro-feats li svg { flex-shrink: 0; color: var(--primary); margin-top: 2px; }

.intro-visual {
  position: relative; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #0f1a30, #16233f);
  padding: 40px 34px; box-shadow: var(--shadow-lg); color: #e2e8f0;
  overflow: hidden;
}
.intro-visual::before {
  content: ""; position: absolute; width: 300px; height: 300px; right: -90px; top: -90px;
  border-radius: 50%; background: radial-gradient(circle, rgba(37, 99, 235, .45), transparent 70%);
}
.intro-visual::after {
  content: ""; position: absolute; width: 220px; height: 220px; left: -70px; bottom: -80px;
  border-radius: 50%; background: radial-gradient(circle, rgba(6, 182, 212, .3), transparent 70%);
}
.intro-visual .screen {
  position: relative; z-index: 1;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px; padding: 18px; margin-bottom: 18px;
}
.intro-visual .screen-bar {
  display: flex; gap: 6px; margin-bottom: 16px;
}
.intro-visual .screen-bar i { width: 10px; height: 10px; border-radius: 50%; }
.intro-visual .screen-bar i:nth-child(1) { background: #f87171; }
.intro-visual .screen-bar i:nth-child(2) { background: #fbbf24; }
.intro-visual .screen-bar i:nth-child(3) { background: #34d399; }

.chat-demo .row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.chat-demo .row .av {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: #fff;
}
.chat-demo .row .bubble {
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .08);
  padding: 9px 14px; border-radius: 12px; font-size: 13.5px; color: #e2e8f0;
}
.chat-demo .row.me { flex-direction: row-reverse; }
.chat-demo .row.me .bubble { background: rgba(37, 99, 235, .4); }

.intro-visual .nodes {
  position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0 2px;
}
.intro-visual .node { text-align: center; }
.intro-visual .node .dot {
  width: 46px; height: 46px; border-radius: 14px; margin: 0 auto 8px;
  display: flex; align-items: center; justify-content: center; font-size: 20px;
  background: rgba(37, 99, 235, .25); border: 1px solid rgba(96, 165, 250, .4); color: #93c5fd;
}
.intro-visual .node span { font-size: 11.5px; color: #94a3b8; }
.intro-visual .line {
  flex: 1; height: 2px; margin: 0 10px; position: relative; overflow: hidden;
  background: rgba(255, 255, 255, .08); border-radius: 2px;
}
.intro-visual .line::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, #60a5fa, transparent);
  animation: flow 2.4s linear infinite;
}
@keyframes flow { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* ============================================================
   信创国产化
   ============================================================ */
.xc-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 26px; }
.xc-card {
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--radius); padding: 30px 26px; transition: all .3s ease;
}
.xc-card:hover { transform: translateY(-6px); border-color: rgba(96, 165, 250, .4); background: rgba(37, 99, 235, .1); }
.xc-card .ico {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, .35), rgba(6, 182, 212, .25));
  border: 1px solid rgba(96, 165, 250, .3); color: #7dd3fc;
}
.xc-card h4 { color: #fff; font-size: 17.5px; margin-bottom: 10px; }
.xc-card p { color: #94a3b8; font-size: 13.8px; }

.xc-logos {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 10px;
}
.xc-logos .logo {
  text-align: center; padding: 18px 10px;
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 12px; color: #cbd5e1; font-size: 13.5px; font-weight: 600; letter-spacing: 1px;
  transition: all .25s ease;
}
.xc-logos .logo:hover { border-color: rgba(125, 211, 252, .4); color: #fff; transform: translateY(-3px); }

/* ============================================================
   产品功能
   ============================================================ */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feat-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s ease; position: relative; overflow: hidden;
}
.feat-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width .35s ease;
}
.feat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: rgba(37, 99, 235, .25); }
.feat-card:hover::before { width: 100%; }
.feat-card .ico {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, .1), rgba(6, 182, 212, .1));
  color: var(--primary); transition: all .3s ease;
}
.feat-card:hover .ico { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .35); }
.feat-card h4 { font-size: 17.5px; margin-bottom: 10px; font-weight: 700; }
.feat-card p { color: var(--ink-3); font-size: 14px; }
.feat-card .tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.feat-card .tag {
  font-size: 11.5px; padding: 3px 10px; border-radius: 999px;
  background: rgba(37, 99, 235, .07); color: var(--primary); font-weight: 500;
}

/* ============================================================
   产品优势
   ============================================================ */
.adv-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.adv-item {
  display: flex; gap: 20px; background: var(--bg);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; transition: all .3s ease;
}
.adv-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.adv-item .num {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 21px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 8px 18px rgba(37, 99, 235, .3);
}
.adv-item h4 { font-size: 17px; margin-bottom: 8px; }
.adv-item p { color: var(--ink-3); font-size: 14px; }

/* ============================================================
   可控可管
   ============================================================ */
.mgmt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mgmt-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s ease;
}
.mgmt-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }
.mgmt-card .ico {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(16, 185, 129, .1); color: var(--success);
}
.mgmt-card h4 { font-size: 17px; margin-bottom: 10px; }
.mgmt-card p { color: var(--ink-3); font-size: 14px; }
.mgmt-card ul { margin-top: 12px; }
.mgmt-card ul li {
  position: relative; padding-left: 18px; font-size: 13.5px; color: var(--ink-2);
  margin-bottom: 7px;
}
.mgmt-card ul li::before {
  content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 700;
}

/* ============================================================
   客户案例
   ============================================================ */
.case-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s ease;
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }
.case-banner {
  height: 130px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.case-banner .pattern {
  position: absolute; inset: 0; opacity: .22;
  background-image: radial-gradient(rgba(255, 255, 255, .8) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
}
.case-banner .cico {
  position: relative; width: 64px; height: 64px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; color: #fff; background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .35); backdrop-filter: blur(4px);
}
.case-body { padding: 24px 24px 26px; }
.case-body h4 { font-size: 17px; margin-bottom: 8px; }
.case-body .industry {
  display: inline-block; font-size: 12px; color: var(--primary); font-weight: 600;
  background: rgba(37, 99, 235, .08); padding: 3px 12px; border-radius: 999px; margin-bottom: 12px;
}
.case-body p { color: var(--ink-3); font-size: 14px; }
.case-body .quote {
  margin-top: 14px; padding: 12px 14px; background: var(--bg-soft);
  border-radius: 10px; font-size: 13px; color: var(--ink-2);
  border-left: 3px solid var(--primary);
}

/* ============================================================
   分店计划（招商）
   ============================================================ */
.franchise {
  background: linear-gradient(160deg, #0b1220 0%, #16233f 60%, #0f1a30 100%);
  position: relative; overflow: hidden; color: #e2e8f0;
}
.franchise::before, .franchise::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .35;
}
.franchise::before { width: 480px; height: 480px; left: -140px; top: -160px; background: radial-gradient(circle, #2563eb, transparent 70%); }
.franchise::after { width: 420px; height: 420px; right: -120px; bottom: -160px; background: radial-gradient(circle, #06b6d4, transparent 70%); }

.fran-head { text-align: center; max-width: 820px; margin: 0 auto 60px; position: relative; z-index: 1; }
.fran-head .tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px; color: #fbbf24;
  background: rgba(251, 191, 36, .1); border: 1px solid rgba(251, 191, 36, .3);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 18px; font-weight: 600;
}
.fran-head h2 { color: #fff; font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: 1px; }
.fran-head p { margin-top: 16px; color: #94a3b8; font-size: 16px; }
.fran-head .slogan {
  margin-top: 22px; font-size: 19px; font-weight: 700; color: #fbbf24; letter-spacing: 1px;
}

.fran-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; z-index: 1; }
.fran-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius); padding: 28px 22px; text-align: center; transition: all .3s ease;
}
.fran-card:hover { transform: translateY(-6px); border-color: rgba(251, 191, 36, .45); background: rgba(251, 191, 36, .06); }
.fran-card .step {
  width: 44px; height: 44px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; font-weight: 800; color: #0b1220;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 8px 20px rgba(251, 191, 36, .35);
}
.fran-card h4 { color: #fff; font-size: 16.5px; margin-bottom: 10px; }
.fran-card p { color: #94a3b8; font-size: 13.8px; line-height: 1.8; }

.fran-cta { text-align: center; margin-top: 56px; position: relative; z-index: 1; }
.fran-cta .btn-primary {
  background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #0b1220;
  font-weight: 800; box-shadow: 0 10px 28px rgba(251, 191, 36, .4);
}
.fran-cta .btn-primary:hover { box-shadow: 0 14px 34px rgba(251, 191, 36, .55); }
.fran-cta .note { margin-top: 16px; font-size: 13px; color: #64748b; letter-spacing: 1px; }

.fran-benefits {
  margin-top: 54px; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 34px;
  position: relative; z-index: 1;
}
.fran-benefits li {
  display: flex; align-items: center; gap: 9px; font-size: 14px; color: #cbd5e1; font-weight: 500;
}
.fran-benefits li .ok {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(52, 211, 153, .18); color: #34d399; font-size: 13px;
}

/* ============================================================
   关于我们
   ============================================================ */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.about-card {
  border-radius: var(--radius-lg); padding: 44px 38px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #1e3a8a 0%, #0f172a 100%);
  box-shadow: var(--shadow-lg);
}
.about-card::before {
  content: ""; position: absolute; width: 320px; height: 320px; right: -100px; top: -100px;
  border-radius: 50%; background: radial-gradient(circle, rgba(59, 130, 246, .5), transparent 70%);
}
.about-card .logo-big {
  position: relative; width: 84px; height: 84px; border-radius: 20px; margin-bottom: 26px;
  display: flex; align-items: center; justify-content: center; font-size: 38px; font-weight: 900;
  background: linear-gradient(135deg, #60a5fa, #22d3ee); box-shadow: 0 14px 30px rgba(96, 165, 250, .4);
}
.about-card h3 { position: relative; font-size: 26px; font-weight: 800; letter-spacing: 1px; }
.about-card .en { position: relative; font-size: 13px; color: #93c5fd; letter-spacing: 3px; margin-top: 6px; }
.about-card .slogan {
  position: relative; margin-top: 24px; font-size: 15px; color: #bfdbfe; line-height: 1.9;
  border-top: 1px solid rgba(255, 255, 255, .15); padding-top: 22px;
}
.about-card .slogan b { color: #fff; }

.about-copy h3 { font-size: 24px; font-weight: 800; margin-bottom: 16px; }
.about-copy p { color: var(--ink-3); margin-bottom: 15px; font-size: 15px; }
.about-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.about-meta li {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-soft); border: 1px solid var(--line);
  padding: 13px 16px; border-radius: 12px; font-size: 14px; color: var(--ink-2); font-weight: 500;
}
.about-meta li svg { color: var(--primary); flex-shrink: 0; }

/* ============================================================
   联系我们 / 页脚
   ============================================================ */
.footer { background: #0b1220; color: #94a3b8; }
.footer-top { padding: 60px 0 44px; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; }
.footer .brand-name { color: #fff; }
.footer h5 { color: #e2e8f0; font-size: 15px; font-weight: 700; margin-bottom: 18px; letter-spacing: 1px; }
.footer-links li { margin-bottom: 11px; font-size: 14px; transition: all .2s ease; }
.footer-links li a:hover { color: #7dd3fc; }
.footer-contact li {
  display: flex; gap: 10px; margin-bottom: 14px; font-size: 14px; align-items: flex-start;
}
.footer-contact svg { color: #60a5fa; flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; text-align: center; font-size: 13px;
}

/* ============================================================
   下载中心
   ============================================================ */
.dl-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.dl-main {
  display: flex; align-items: center; gap: 26px;
  padding: 36px 38px; flex-wrap: wrap;
  background: linear-gradient(120deg, rgba(37, 99, 235, .05), rgba(6, 182, 212, .04));
}
.dl-icon {
  width: 68px; height: 68px; border-radius: 18px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 10px 24px rgba(37, 99, 235, .35);
}
.dl-info { flex: 1; min-width: 240px; }
.dl-info h4 { font-size: 20px; margin-bottom: 8px; }
.dl-info p { color: var(--ink-3); font-size: 14.5px; margin-bottom: 12px; }
.dl-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.dl-meta span { font-size: 13px; color: var(--ink-3); }
.dl-meta b { color: var(--primary); }
.dl-btn-box { text-align: center; }
.dl-hint { display: block; margin-top: 12px; font-size: 12.5px; color: var(--ink-3); }

.dl-compare { margin-top: 56px; }
.dl-compare > h4 { text-align: center; font-size: 22px; margin-bottom: 28px; font-weight: 800; }
.cmp-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 640px; background: var(--bg); }
.cmp-table th, .cmp-table td { padding: 13px 20px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
.cmp-table thead th { background: #f8fafc; font-weight: 700; color: var(--ink); white-space: nowrap; }
.cmp-table thead th:not(:first-child) { text-align: center; }
.cmp-table tbody td:not(:first-child) { text-align: center; font-weight: 700; }
.cmp-table tbody tr:last-child td { border-bottom: none; }
.cmp-table tbody tr:hover { background: rgba(37, 99, 235, .04); }
.ver-tag {
  display: inline-block; font-size: 11px; font-weight: 700; margin-left: 8px;
  padding: 2px 10px; border-radius: 999px; vertical-align: middle;
  background: #eef2ff; color: var(--primary);
}
.ver-tag.hot { background: rgba(245, 158, 11, .12); color: var(--warn); }
.cmp-table td.yes { color: var(--success); }
.cmp-table td.no { color: #cbd5e1; }
.dl-note {
  margin-top: 18px; text-align: center; font-size: 13.5px; color: var(--ink-3);
}
.dl-note b { color: var(--primary); }

/* ---- 实时访问与下载统计 ---- */
.dl-stats {
  margin-top: 40px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px 26px 20px;
}
.stats-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; gap: 12px;
}
.stats-title { display: flex; align-items: center; gap: 10px; }
.stats-title h4 { font-size: 16px; font-weight: 800; }
.stats-dot {
  width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
  background: #22c55e; position: relative;
}
.stats-dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, .45);
  animation: statsPulse 1.8s ease-out infinite;
}
@keyframes statsPulse {
  0% { transform: scale(.6); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}
.stats-update { font-size: 12.5px; color: var(--ink-3); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.stat-card {
  position: relative; overflow: hidden;
  background: linear-gradient(140deg, #f8fafc, #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px 16px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.stat-ico {
  width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.ic-visit { color: #2563eb; background: rgba(37, 99, 235, .1); }
.ic-total { color: #7c3aed; background: rgba(124, 58, 237, .1); }
.ic-dl { color: #10b981; background: rgba(16, 185, 129, .1); }
.ic-dltotal { color: #f59e0b; background: rgba(245, 158, 11, .12); }
.stat-num { display: flex; align-items: baseline; gap: 5px; }
.stat-num span {
  font-size: 30px; font-weight: 800; line-height: 1;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat-num em { font-style: normal; font-size: 13px; color: var(--ink-3); font-weight: 600; }
.stat-label { margin-top: 8px; font-size: 13px; color: var(--ink-3); }
.stats-note { margin-top: 16px; font-size: 12.5px; color: var(--ink-4); text-align: center; }

/* ============================================================
   回到顶部
   ============================================================ */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 998;
  width: 46px; height: 46px; border-radius: 12px; border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
  font-size: 20px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .4);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: all .3s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .intro-grid, .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .adv-wrap { grid-template-columns: 1fr; }
  .fran-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid, .mgmt-grid, .case-wrap { grid-template-columns: 1fr 1fr; }
  .xc-logos { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 14px 20px 22px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%); opacity: 0; visibility: hidden;
    transition: all .35s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links a { padding: 12px 14px; border-radius: 10px; }
  .nav-cta { margin-left: 0; text-align: center; }
  .section { padding: 68px 0; }
  .intro-feats { grid-template-columns: 1fr; }
  .slider-arrow { display: none; }
}

@media (max-width: 640px) {
  .feat-grid, .mgmt-grid, .case-wrap, .xc-wrap, .fran-grid { grid-template-columns: 1fr; }
  .xc-logos { grid-template-columns: 1fr 1fr; }
  .about-meta { grid-template-columns: 1fr; }
  .slide-stats { gap: 24px; }
  .slide-stats .stat b { font-size: 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .btn { padding: 12px 22px; font-size: 14px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-num span { font-size: 26px; }
  .stats-head { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* 滚动显现动画 */
.reveal { opacity: 0; transform: translateY(34px); transition: all .7s cubic-bezier(.22, .61, .36, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   内页通用：页头（page-hero）
   ============================================================ */
.page-hero {
  background: linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
  color: #fff; text-align: center; padding: 128px 0 72px;
  position: relative; overflow: hidden;
}
.page-hero .deco {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.35), transparent 70%);
  pointer-events: none;
}
.page-hero .deco.h1 { width: 420px; height: 420px; top: -160px; left: -100px; }
.page-hero .deco.h2 { width: 360px; height: 360px; bottom: -140px; right: -80px; background: radial-gradient(circle, rgba(6,182,212,.28), transparent 70%); }
.page-hero .tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px; color: #7dd3fc;
  background: rgba(125,211,252,.08); border: 1px solid rgba(125,211,252,.25);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 20px; font-weight: 600;
}
.page-hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: 1px; }
.page-hero p { margin: 16px auto 0; max-width: 720px; color: #94a3b8; font-size: 16px; }

/* 面包屑 */
.crumb {
  max-width: 1200px; margin: 0 auto; padding: 26px 4% 0; font-size: 13px; color: var(--ink-3);
}
.crumb a { color: var(--primary); }
.crumb span { margin: 0 6px; color: #cbd5e1; }

/* ============================================================
   产品功能详解页（features.html）
   ============================================================ */
.ft-tabs {
  display: flex; justify-content: center; gap: 14px; flex-wrap: wrap;
  margin: 40px auto 8px;
}
.ft-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; cursor: pointer;
  font-size: 15px; font-weight: 600; color: var(--ink-2);
  background: var(--bg-soft); border: 1px solid var(--line);
  transition: all .25s ease;
}
.ft-tab:hover { border-color: rgba(37,99,235,.4); color: var(--primary); }
.ft-tab.active { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; border-color: transparent; box-shadow: var(--shadow-md); }
.ft-tab svg { width: 17px; height: 17px; }

.feature-panel { display: none; animation: fadeUp .5s ease both; }
.feature-panel.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.feature-group { padding: 34px 0 8px; }
.feature-group-title {
  display: flex; align-items: center; gap: 14px; margin-bottom: 28px;
}
.feature-group-title .gn {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-size: 20px; color: #fff; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-sm);
}
.feature-group-title h3 { font-size: 22px; font-weight: 700; }
.feature-group-title p { color: var(--ink-3); font-size: 13.5px; margin-top: 2px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 24px; transition: all .3s ease; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity .3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }
.feature-card .f-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 24px; margin-bottom: 18px; color: var(--primary);
  background: rgba(37,99,235,.08);
}
.feature-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--ink-3); font-size: 14px; line-height: 1.8; }
.feature-card ul { margin-top: 14px; display: grid; gap: 7px; }
.feature-card li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13.2px; color: var(--ink-2);
}
.feature-card li::before { content: "✓"; color: var(--success); font-weight: 700; }

/* 管理端模块用紫色强调（三权分立、审计等） */
.feature-card--mgmt .f-icon { color: #7c3aed; background: rgba(124,58,237,.08); }
.feature-card--mgmt::before { background: linear-gradient(90deg, #7c3aed, #a78bfa); }
.feature-card--mgmt:hover { box-shadow: 0 24px 60px rgba(124,58,237,.18); }

/* 底部 CTA 横条 */
.cta-strip {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg); color: #fff; text-align: center;
  padding: 46px 30px; margin-top: 30px; position: relative; overflow: hidden;
}
.cta-strip h3 { font-size: clamp(20px, 3vw, 26px); font-weight: 800; }
.cta-strip p { margin: 10px 0 24px; color: rgba(255,255,255,.85); font-size: 14.5px; }
.cta-strip .btn { background: #fff; color: var(--primary-dark); }
.cta-strip .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* ============================================================
   行业解决方案页（solutions.html）
   ============================================================ */
.sol-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .3s ease; display: flex; flex-direction: column;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.sol-banner {
  position: relative; height: 130px; display: grid; place-items: center;
  font-size: 44px; color: #fff; overflow: hidden;
}
.sol-banner .pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px);
  background-size: 18px 18px;
}
.sol-body { padding: 26px 26px 30px; display: flex; flex-direction: column; gap: 16px; flex: 1; }
.sol-body .s-tag { align-self: flex-start; }
.sol-body h3 { font-size: 19px; font-weight: 700; }
.sol-row h4 {
  font-size: 13.5px; font-weight: 700; display: flex; align-items: center; gap: 8px;
  color: var(--ink-2); margin-bottom: 8px;
}
.sol-row h4 .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); display: inline-block; }
.sol-row p { color: var(--ink-3); font-size: 13.8px; line-height: 1.85; }
.sol-row:last-child { margin-top: auto; }
.sol-row .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-row .chips span {
  font-size: 12.5px; padding: 4px 12px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-2);
}
.sol-cta { margin-top: 44px; text-align: center; }

/* ============================================================
   帮助中心页（help.html）
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 44px; }
.step-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 24px; position: relative; text-align: center; transition: all .3s ease;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-card .s-num {
  width: 48px; height: 48px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; font-size: 20px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: var(--shadow-sm);
}
.step-card h4 { font-size: 16.5px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.8; }

/* 部署步骤列表 */
.guide-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 30px 12px; margin-top: 22px;
}
.guide-card h4 { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.guide-card h4 .gi { font-size: 22px; }
.guide-list { display: grid; gap: 0; }
.guide-list li {
  display: flex; gap: 14px; padding: 14px 0; border-top: 1px dashed var(--line);
  font-size: 14px; color: var(--ink-2); line-height: 1.8;
}
.guide-list li:first-child { border-top: 0; }
.guide-list .no {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 8px; font-size: 13px; font-weight: 700;
  display: grid; place-items: center; color: var(--primary); background: rgba(37,99,235,.08);
}
.guide-list code {
  font-family: Consolas, Monaco, monospace; font-size: 13px;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px;
  padding: 1px 7px; color: var(--primary-dark);
}

/* FAQ 折叠 */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden; transition: all .3s ease;
}
.faq-item.open { border-color: rgba(37,99,235,.35); box-shadow: var(--shadow-sm); }
.faq-q {
  display: flex; align-items: center; gap: 12px; padding: 18px 22px; cursor: pointer;
  font-size: 15px; font-weight: 600; user-select: none;
}
.faq-q .q-icon {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px; font-size: 13px; font-weight: 800;
  display: grid; place-items: center; color: var(--primary); background: rgba(37,99,235,.08);
}
.faq-q .q-arrow { margin-left: auto; transition: transform .3s ease; color: var(--ink-3); flex-shrink: 0; }
.faq-item.open .q-arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 22px 20px 60px; color: var(--ink-3); font-size: 14px; line-height: 1.9; }
.faq-item.open .faq-a { max-height: 320px; }

/* ============================================================
   联系我们页（contact.html）
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: start; }
.info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; margin-bottom: 20px;
}
.info-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.info-card h4 .gi { font-size: 21px; }
.info-list { display: grid; gap: 16px; }
.info-list li { display: flex; gap: 13px; align-items: flex-start; font-size: 14.2px; color: var(--ink-2); line-height: 1.75; }
.info-list svg { flex-shrink: 0; color: var(--primary); margin-top: 3px; }
.contact-form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.contact-form-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.contact-form-card .sub { color: var(--ink-3); font-size: 13.5px; margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: grid; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.form-field label em { color: var(--danger); font-style: normal; margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; font-family: inherit; color: var(--ink); background: #f8fafc;
  transition: all .25s ease; outline: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-submit { margin-top: 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-msg { font-size: 13.5px; padding: 10px 14px; border-radius: 10px; display: none; }
.form-msg.ok { display: block; color: #047857; background: rgba(16,185,129,.1); }
.form-msg.err { display: block; color: #b91c1c; background: rgba(239,68,68,.08); }

/* 内页响应式 */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 108px 0 56px; }
  .ft-tab { padding: 10px 18px; font-size: 14px; }
}