/* ============================================================
   精益云管理系统官网 — BOE 风格企业站样式
   字体：BOEGotham 风格的等宽几何无衬线 + 微软雅黑
   色彩：深海军蓝首屏 + 品牌靛蓝 #4458FE + 钢蓝 #5B7DA3
   ============================================================ */

:root {
  --ink: #060b1f;
  --ink-2: #0c1533;
  --ink-3: #122052;
  --primary: #4458fe;
  --primary-light: #6d82ff;
  --steel: #5b7da3;
  --cyan: #4fc3f7;
  --text: #1a2233;
  --text-2: #5a6478;
  --line: #e6eaf2;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(12, 21, 51, 0.1);
  --font: "Helvetica Neue", "Segoe UI", "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: min(1200px, 92vw); margin: 0 auto; }
section { position: relative; }
section[id] { scroll-margin-top: 72px; }

/* ---------------- 通用标题 ---------------- */
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.3;
}
.section-lead {
  margin-top: 18px;
  color: var(--text-2);
  font-size: 16px;
  font-weight: 300;
  max-width: 860px;
}

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}
.header-inner {
  width: min(1320px, 94vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; }
.brand-name { font-size: 17px; font-weight: 500; letter-spacing: 0.08em; color: #fff; transition: color 0.35s; }
.brand-divider { display: inline-block; width: 1px; height: 12px; background: currentColor; opacity: 0.5; margin: 0 8px; vertical-align: -1px; }
.main-nav { display: flex; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link:hover, .nav-link.active { color: #fff; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn-login {
  padding: 8px 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.15em;
  transition: all 0.3s;
}
.btn-login:hover { background: #fff; color: var(--ink); }

/* 滚动后的白底导航（BOE 风格） */
.site-header.scrolled { background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(10px); box-shadow: 0 6px 30px rgba(12, 21, 51, 0.08); }
.site-header.scrolled .brand-name { color: var(--text); }
.site-header.scrolled .nav-link { color: var(--text-2); }
.site-header.scrolled .nav-link:hover, .site-header.scrolled .nav-link.active { color: var(--text); }
.site-header.scrolled .btn-login { border-color: var(--primary); color: var(--primary); }
.site-header.scrolled .btn-login:hover { background: var(--primary); color: #fff; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; transition: 0.3s; }
.site-header.scrolled .nav-toggle span { background: var(--text); }

/* ---------------- 首屏 Hero ---------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-gradient {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 90% 65% at 75% 30%, rgba(68, 88, 254, 0.28), transparent 60%),
    radial-gradient(ellipse 70% 60% at 15% 85%, rgba(79, 195, 247, 0.14), transparent 55%),
    linear-gradient(160deg, #060b1f 0%, #0c1533 55%, #101d4a 100%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.hero-glow-1 { width: 520px; height: 520px; background: rgba(68, 88, 254, 0.35); top: -140px; right: 6%; animation: float 11s ease-in-out infinite; }
.hero-glow-2 { width: 380px; height: 380px; background: rgba(79, 195, 247, 0.22); bottom: -120px; left: -60px; animation: float 14s ease-in-out infinite reverse; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-36px); } }
.hero-instruments {
  position: absolute;
  right: -4%; bottom: 0;
  width: min(46vw, 620px);
  aspect-ratio: 480 / 905;
  background: url("../img/hero-instruments.png") bottom right / contain no-repeat;
  opacity: 0.85;
  mask-image: linear-gradient(to left, #000 55%, transparent 100%);
}
.hero-content { position: relative; z-index: 2; width: min(1200px, 92vw); margin: 0 auto; padding: 120px 0 90px; }
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.4em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 30px;
  text-transform: uppercase;
}
.hero-slides { position: relative; min-height: 220px; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  pointer-events: none;
}
.hero-slide.active { opacity: 1; transform: translateY(0); pointer-events: auto; }
.hero-title {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 200;
  letter-spacing: 0.04em;
  line-height: 1.15;
}
.hero-sub {
  margin-top: 20px;
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 300;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.75);
}
.hero-cta { display: flex; gap: 18px; margin-top: 46px; }
.btn-primary {
  display: inline-block;
  padding: 13px 40px;
  background: linear-gradient(120deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.2em;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 10px 30px rgba(68, 88, 254, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(68, 88, 254, 0.5); }
.btn-ghost {
  display: inline-block;
  padding: 13px 40px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.2em;
  transition: all 0.3s;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.7); }
.hero-indicators { display: flex; gap: 10px; margin-top: 54px; }
.hero-indicators button {
  width: 34px; height: 3px;
  border: 0; cursor: pointer;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 2px;
  transition: background 0.3s;
}
.hero-indicators button.active { background: var(--cyan); }
.hero-scroll-hint {
  position: absolute; left: 50%; bottom: 26px;
  transform: translateX(-50%);
  width: 24px; height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  z-index: 2;
}
.hero-scroll-hint span {
  position: absolute; left: 50%; top: 7px;
  width: 3px; height: 8px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: hint 1.8s ease-in-out infinite;
}
@keyframes hint { 0% { opacity: 1; transform: translate(-50%, 0); } 70% { opacity: 0; transform: translate(-50%, 14px); } 100% { opacity: 0; } }

/* ---------------- 数据亮点 ---------------- */
.stats { background: var(--ink-2); color: #fff; padding: 54px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: "";
  position: absolute; left: -12px; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 56px;
  background: rgba(255, 255, 255, 0.12);
}
.stat-num { font-size: clamp(30px, 3.4vw, 44px); font-weight: 200; letter-spacing: 0.02em; }
.stat-num em { font-style: normal; font-size: 0.5em; margin-left: 4px; color: var(--cyan); }
.stat-label { margin-top: 6px; font-size: 13px; letter-spacing: 0.15em; color: rgba(255, 255, 255, 0.6); }

/* ---------------- 产品总览引言 ---------------- */
.intro { padding: 110px 0 30px; }

/* ---------------- 14 大模块 ---------------- */
.modules { padding: 60px 0 110px; }
.modules-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.module-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s, background 0.35s;
  display: block;
}
.module-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(68, 88, 254, 0.35);
  background: #fff;
}
.module-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(68, 88, 254, 0.12), rgba(79, 195, 247, 0.12));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  transition: background 0.35s;
}
.module-card:hover .module-icon { background: linear-gradient(135deg, var(--primary), var(--cyan)); }
.module-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--primary); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.35s; }
.module-card:hover .module-icon svg { stroke: #fff; }
.module-card h3 { font-size: 16px; font-weight: 500; letter-spacing: 0.05em; }
.module-card p { margin-top: 8px; font-size: 13px; color: var(--text-2); line-height: 1.6; }

/* ---------------- 核心模块（交替布局） ---------------- */
.feature { padding: 110px 0; background: #fff; }
.feature-dark { background: var(--ink); color: #fff; }
.feature-dark .feature-desc, .feature-dark .point p { color: rgba(255, 255, 255, 0.65); }
.feature-dark .point h4 { color: #fff; }
.feature-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 70px; align-items: start; }
.feature-title { font-size: clamp(26px, 3vw, 38px); font-weight: 300; letter-spacing: 0.06em; position: relative; padding-bottom: 16px; }
.title-bar { position: absolute; left: 0; bottom: 0; width: 56px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--cyan)); border-radius: 2px; }
.feature-slogan { margin-top: 22px; font-size: clamp(17px, 1.8vw, 21px); font-weight: 400; color: var(--primary); letter-spacing: 0.04em; }
.feature-dark .feature-slogan { color: var(--cyan); }
.feature-desc { margin-top: 16px; color: var(--text-2); max-width: 640px; }
.feature-desc-wide { max-width: 900px; }
.feature-points { margin-top: 38px; display: flex; flex-direction: column; gap: 26px; }
.point { display: flex; gap: 20px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.feature-dark .point { border-color: rgba(255, 255, 255, 0.1); }
.point:last-child { border-bottom: 0; padding-bottom: 0; }
.point-num { font-size: 26px; font-weight: 200; color: var(--steel); line-height: 1.2; flex-shrink: 0; }
.feature-dark .point-num { color: var(--cyan); }
.point h4 { font-size: 16px; font-weight: 500; letter-spacing: 0.04em; }
.point p { margin-top: 6px; font-size: 13.5px; color: var(--text-2); }

.value-card {
  background: linear-gradient(150deg, rgba(68, 88, 254, 0.08), rgba(79, 195, 247, 0.06));
  border: 1px solid rgba(68, 88, 254, 0.18);
  border-radius: 18px;
  padding: 36px 32px;
  position: sticky;
  top: 100px;
}
.feature-dark .value-card { background: linear-gradient(150deg, rgba(68, 88, 254, 0.2), rgba(79, 195, 247, 0.08)); border-color: rgba(255, 255, 255, 0.14); }
.value-title { font-size: 15px; font-weight: 600; letter-spacing: 0.2em; color: var(--primary); }
.feature-dark .value-title { color: var(--cyan); }
.value-card ul { margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.value-card li { position: relative; padding-left: 20px; font-size: 14.5px; }
.value-card li::before { content: "—"; position: absolute; left: 0; color: var(--steel); }
.value-quote { margin-top: 26px; padding-top: 22px; border-top: 1px dashed rgba(91, 125, 163, 0.4); font-size: 17px; font-weight: 500; color: #6aa84f; letter-spacing: 0.06em; }
.feature-dark .value-quote { color: #9ccc65; }

/* ---------------- 客户管理看板 ---------------- */
.kanban {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.kanban-col {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 12px;
  display: flex; flex-direction: column; gap: 8px;
  min-height: 170px;
}
.kanban-col h5 { font-size: 12.5px; font-weight: 500; color: var(--text-2); letter-spacing: 0.1em; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.kb-item {
  font-size: 12.5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--text-2);
}
.kb-item.kb-active { background: linear-gradient(120deg, rgba(68, 88, 254, 0.1), rgba(79, 195, 247, 0.1)); border-color: rgba(68, 88, 254, 0.4); color: var(--primary); font-weight: 500; }

.aggregate {
  margin-top: 40px;
  background: linear-gradient(150deg, #0c1533, #122052);
  border-radius: 20px;
  padding: 46px 44px;
  color: #fff;
}
.aggregate-title { font-size: clamp(19px, 2vw, 24px); font-weight: 400; letter-spacing: 0.05em; }
.aggregate-desc { margin-top: 14px; color: rgba(255, 255, 255, 0.68); max-width: 780px; font-size: 14.5px; }
.aggregate-points { margin-top: 26px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.agg-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 18px 18px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}
.agg-item i { display: block; width: 26px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--primary-light), var(--cyan)); margin-bottom: 12px; }

/* ---------------- 销售漏斗 ---------------- */
.funnel-section { padding: 110px 0; background: var(--bg-soft); }
.funnel { margin-top: 52px; display: flex; flex-direction: column; gap: 10px; }
.funnel-row { display: grid; grid-template-columns: 76px 1fr 64px; align-items: center; gap: 16px; }
.funnel-stage { font-size: 12px; letter-spacing: 0.12em; color: var(--text-2); font-weight: 500; text-align: right; }
.funnel-bar {
  height: 46px;
  width: var(--w);
  border-radius: 8px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  display: flex; align-items: center;
  padding: 0 18px;
  color: #fff;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  box-shadow: 0 8px 22px rgba(68, 88, 254, 0.22);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.funnel.in-view .funnel-bar { transform: scaleX(1); }
.funnel-row:nth-child(2) .funnel-bar { transition-delay: 0.08s; opacity: 0.92; }
.funnel-row:nth-child(3) .funnel-bar { transition-delay: 0.16s; opacity: 0.84; }
.funnel-row:nth-child(4) .funnel-bar { transition-delay: 0.24s; opacity: 0.76; }
.funnel-row:nth-child(5) .funnel-bar { transition-delay: 0.32s; opacity: 0.68; }
.funnel-row:nth-child(6) .funnel-bar { transition-delay: 0.4s; opacity: 0.6; }
.funnel-row em { font-style: normal; font-size: 14px; color: var(--text-2); font-weight: 500; }
.funnel-note { margin-top: 26px; font-size: 12.5px; color: var(--text-2); }

/* ---------------- 核心优势 ---------------- */
.advantage { padding: 110px 0; }
.adv-grid { margin-top: 50px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.adv-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 38px 34px 30px;
  background: #fff;
  overflow: hidden;
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(68, 88, 254, 0.3); }
.adv-index {
  position: absolute; right: 22px; top: 8px;
  font-size: 64px; font-weight: 200;
  color: rgba(68, 88, 254, 0.1);
  letter-spacing: -0.02em;
}
.adv-card h3 { font-size: 18px; font-weight: 500; letter-spacing: 0.03em; max-width: 86%; }
.adv-card p { margin-top: 14px; font-size: 14px; color: var(--text-2); }
.adv-tag {
  display: inline-block;
  margin-top: 20px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(68, 88, 254, 0.08);
  border-radius: 999px;
  padding: 6px 16px;
}

/* ---------------- 多品牌白标 ---------------- */
.whitelabel { padding: 100px 0; background: var(--ink-2); color: #fff; }
.wl-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; align-items: center; }
.whitelabel .section-title { color: #fff; }
.whitelabel .section-lead { color: rgba(255, 255, 255, 0.65); }
.wl-list { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.wl-list li { position: relative; padding-left: 22px; font-size: 14.5px; color: rgba(255, 255, 255, 0.8); }
.wl-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 2px; background: var(--cyan); }
.wl-brands { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.wl-brand {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 30px 10px;
  text-align: center;
  font-size: 16px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.85);
  transition: all 0.3s;
}
.wl-brand:hover { background: rgba(68, 88, 254, 0.18); border-color: rgba(68, 88, 254, 0.5); transform: translateY(-4px); }

/* ---------------- 关于我们 ---------------- */
.about { padding: 110px 0; }
.about-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 70px; align-items: center; }
.contact-card { margin-top: 34px; border: 1px solid var(--line); border-radius: 16px; padding: 8px 26px; max-width: 460px; }
.contact-row { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.contact-row:last-child { border-bottom: 0; }
.contact-row span { color: var(--text-2); letter-spacing: 0.1em; }
.contact-row strong { font-weight: 500; font-size: 16px; letter-spacing: 0.04em; }
.contact-row a { color: var(--primary); font-weight: 500; }
.about-cta {
  background: linear-gradient(150deg, var(--ink-2), var(--ink-3));
  color: #fff;
  border-radius: 22px;
  padding: 52px 44px;
}
.about-cta h3 { font-size: clamp(19px, 2vw, 24px); font-weight: 300; line-height: 1.5; }
.about-cta p { margin: 16px 0 28px; color: rgba(255, 255, 255, 0.65); font-size: 14px; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, 0.65); }
.footer-grid { display: flex; justify-content: space-between; align-items: center; padding: 46px 0; gap: 30px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 42px; height: 42px; object-fit: contain; }
.footer-brand strong { color: #fff; font-size: 16px; letter-spacing: 0.1em; font-weight: 500; }
.footer-brand p { font-size: 12.5px; margin-top: 4px; }
.footer-links { display: flex; gap: 26px; font-size: 13.5px; letter-spacing: 0.1em; }
.footer-links a:hover { color: #fff; }
.footer-copy { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 18px 0; font-size: 12.5px; letter-spacing: 0.08em; }

/* ---------------- 返回顶部 ---------------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.3s, transform 0.3s, background 0.3s;
  z-index: 90;
  box-shadow: 0 10px 26px rgba(68, 88, 254, 0.4);
}
.back-top.show { opacity: 1; transform: translateY(0); }
.back-top:hover { background: var(--primary-light); }

/* ---------------- 滚动显现动画 ---------------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .modules-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid, .about-grid, .wl-grid { grid-template-columns: 1fr; gap: 44px; }
  .value-card { position: static; }
  .kanban { grid-template-columns: repeat(3, 1fr); }
  .hero-instruments { opacity: 0.4; }
}
@media (max-width: 720px) {
  .main-nav {
    position: fixed; inset: 72px 0 auto 0;
    background: rgba(6, 11, 31, 0.98);
    flex-direction: column;
    padding: 20px 6vw 30px;
    gap: 4px;
    transform: translateY(-130%);
    transition: transform 0.35s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-link { padding: 12px 0; font-size: 15px; }
  .nav-toggle { display: flex; }
  .header-inner { gap: 16px; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 12px; }
  .stat-item + .stat-item::before { display: none; }
  .adv-grid { grid-template-columns: 1fr; }
  .kanban { grid-template-columns: repeat(2, 1fr); }
  .aggregate-points { grid-template-columns: 1fr; }
  .aggregate { padding: 34px 24px; }
  .about-cta { padding: 38px 26px; }
  .funnel-row { grid-template-columns: 60px 1fr 50px; gap: 10px; }
  .funnel-bar { font-size: 12px; padding: 0 10px; height: 40px; }
  .hero-instruments { display: none; }
  .wl-brands { grid-template-columns: 1fr 1fr; }
  .btn-login { display: none; }
  .feature, .funnel-section, .advantage, .about { padding: 76px 0; }
  .intro { padding-top: 76px; }
}