/* =========================================================
   来财ERP 移动端独立页面样式（m-style.css）
   移动优先 · 玻璃拟态 · 品牌渐变 · 吸底操作栏 · 悬浮按钮 · 折叠展开
   375 基准设计稿，320~430px 自适应，安全区适配
   ========================================================= */

:root {
  --brand: #1E6FFF;
  --brand-light: #4080FF;
  --brand-dark: #0a3dcc;
  --brand-grad: linear-gradient(135deg, #1E6FFF 0%, #4080FF 100%);
  --success: #10B981;
  --success-dark: #059669;
  --success-grad: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --amber: #F59E0B;
  --red: #EF4444;
  --bg: #F5F7FB;
  --bg-soft: #EEF3FF;
  --card: #FFFFFF;
  --dark: #0F172A;
  --dark-2: #111c33;
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --text-on-dark: #F8FAFF;
  --line: rgba(20, 30, 60, 0.08);
  --shadow-sm: 0 4px 16px rgba(20, 40, 90, 0.06);
  --shadow: 0 10px 34px rgba(30, 111, 255, 0.12);
  --shadow-lg: 0 18px 50px rgba(30, 111, 255, 0.18);
  --radius: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  --cta-h: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

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

body {
  font-family: "PingFang SC", -apple-system, system-ui, "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
  padding-bottom: calc(var(--cta-h) + var(--safe-b) + 12px); /* 给吸底栏留位 */
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* 锚点跳转不被吸顶导航遮挡 */
section[id] { scroll-margin-top: 64px; }
/* 折叠区内的卡片网格与上方保持紧凑间距 */
.m-collapse-body .m-feature-grid { margin-top: 12px; }

/* ============ 顶部导航 ============ */
.m-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: calc(10px + var(--safe-t)) 16px 10px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.m-nav-brand { display: flex; align-items: center; gap: 8px; }
.m-nav-brand img { width: 30px; height: 30px; }
.m-nav-title { font-weight: 700; font-size: 16px; letter-spacing: .5px; }
.m-nav-right { display: flex; align-items: center; gap: 10px; }
.m-nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  height: 36px; padding: 0 16px;
  border-radius: var(--radius-pill);
  background: var(--brand-grad);
  color: #fff; font-weight: 600; font-size: 13px;
  box-shadow: 0 6px 16px rgba(30, 111, 255, 0.32);
}
.m-nav-burger {
  width: 40px; height: 40px;
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: var(--bg-soft); border: none; border-radius: 12px;
}
.m-nav-burger span { width: 18px; height: 2px; border-radius: 2px; background: var(--text); transition: .25s; }
.m-nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.m-nav-burger.open span:nth-child(2) { opacity: 0; }
.m-nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 抽屉菜单 */
.m-drawer {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; transition: .28s;
}
.m-drawer.open { opacity: 1; visibility: visible; }
.m-drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: 76%; max-width: 320px;
  background: #fff; padding: calc(20px + var(--safe-t)) 20px 20px;
  transform: translateX(100%); transition: transform .3s cubic-bezier(.22,.8,.3,1);
  display: flex; flex-direction: column; gap: 6px;
}
.m-drawer.open .m-drawer-panel { transform: translateX(0); }
.m-drawer-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 14px; border-radius: 14px; font-size: 16px; font-weight: 600;
  background: var(--bg); color: var(--text);
}
.m-drawer-link:active { background: var(--bg-soft); }
.m-drawer-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.m-drawer-pc { text-align: center; font-size: 13px; color: var(--text-muted); padding: 12px; }

/* ============ 通用区块 ============ */
.m-section { padding: 40px 16px; }
.m-section.dark { background: radial-gradient(120% 80% at 50% 0%, #15233f 0%, var(--dark) 60%); color: var(--text-on-dark); }
.m-container { max-width: 480px; margin: 0 auto; }

.m-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: var(--brand); background: var(--bg-soft);
  padding: 5px 12px; border-radius: var(--radius-pill); margin-bottom: 14px;
}
.m-section.dark .m-eyebrow { color: var(--brand-light); background: rgba(64,128,255,.16); }
.m-title { font-size: 22px; font-weight: 700; line-height: 1.35; }
.m-title .hl { color: var(--brand); }
.m-section.dark .m-title .hl { color: #6ea8ff; }
.m-sub { margin-top: 10px; font-size: 14px; color: var(--text-muted); }
.m-section.dark .m-sub { color: #9fb0cc; }

/* ============ Hero（浅色通透版） ============ */
.m-hero {
  position: relative; overflow: hidden;
  padding: 28px 16px 40px;
  background:
    radial-gradient(130% 100% at 85% -10%, rgba(64,128,255,.20) 0%, transparent 55%),
    radial-gradient(120% 90% at 0% 0%, rgba(16,185,129,.14) 0%, transparent 50%),
    linear-gradient(160deg, #f3f8ff 0%, #eaf1ff 55%, #ffffff 100%);
  color: var(--text);
}
.m-hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 36px;
  background: var(--bg);
  border-radius: 28px 28px 0 0;
}
.m-hero-inner { position: relative; z-index: 2; max-width: 480px; margin: 0 auto; }
.m-hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; color: var(--brand-dark);
  background: rgba(30,111,255,.10); border: 1px solid rgba(30,111,255,.18);
  padding: 6px 13px; border-radius: var(--radius-pill); margin-bottom: 16px;
}
.m-hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px rgba(16,185,129,.18); }
.m-hero-title { font-size: 26px; font-weight: 800; line-height: 1.3; letter-spacing: .5px; color: var(--text); text-align: center; }
.m-hero-title .hl { color: var(--brand); }
.m-hero-sub { margin-top: 14px; font-size: 14px; line-height: 1.8; color: var(--text-muted); text-align: center; }
.m-hero-actions { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }

/* Hero 内的描边按钮（浅底背景上保证可见） */
.m-hero .m-btn-ghost { background: #fff; color: var(--brand); border: 1.5px solid var(--brand); }

/* 简化预览卡（白卡） */
.m-preview {
  margin-top: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
}
.m-preview-head { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.m-preview-dots { display: flex; gap: 5px; }
.m-preview-dots span { width: 9px; height: 9px; border-radius: 50%; background: #cbd5e1; }
.m-preview-dots span:first-child { background: #ff6058; }
.m-preview-dots span:nth-child(2) { background: #ffbd2e; }
.m-preview-dots span:nth-child(3) { background: #28c940; }
.m-preview-title { font-size: 13px; font-weight: 600; color: var(--text); }
.m-preview-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.m-pk { background: var(--bg-soft); border-radius: 14px; padding: 12px 10px; text-align: center; }
.m-pk-num { font-size: 20px; font-weight: 800; color: var(--text); }
.m-pk-num small { font-size: 11px; font-weight: 600; color: var(--text-muted); }
.m-pk-label { margin-top: 4px; font-size: 11px; color: var(--text-muted); }
.m-preview-bar { margin-top: 14px; height: 8px; border-radius: 6px; background: #e3ebf8; overflow: hidden; }
.m-preview-bar > i { display: block; height: 100%; width: 76%; border-radius: 6px; background: linear-gradient(90deg, #10B981, #06b6d4); }

/* ============ 按钮 ============ */
.m-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border: none; border-radius: var(--radius-pill);
  font-size: 16px; font-weight: 700; cursor: pointer; width: 100%;
  transition: transform .12s ease, box-shadow .2s ease;
}
.m-btn:active { transform: scale(.97); }
.m-btn-primary { background: var(--brand-grad); color: #fff; box-shadow: 0 10px 26px rgba(30,111,255,.4); }
.m-btn-success { background: var(--success-grad); color: #fff; box-shadow: 0 10px 26px rgba(16,185,129,.38); }
.m-btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.m-btn-outline { background: #fff; color: var(--brand); border: 1.5px solid var(--brand); box-shadow: var(--shadow-sm); }
.m-btn-sm { min-height: 40px; font-size: 14px; width: auto; padding: 0 18px; }

/* ============ 痛点对比 ============ */
.m-compare { display: flex; flex-direction: column; gap: 14px; margin-top: 22px; }
.m-cc {
  border-radius: var(--radius-lg); padding: 18px 16px; border: 1px solid var(--line);
}
.m-cc.bad { background: linear-gradient(180deg, #fff5f5, #fff); border-color: rgba(239,68,68,.18); }
.m-cc.good { background: linear-gradient(180deg, #f1fbf6, #fff); border-color: rgba(16,185,129,.22); }
.m-cc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.m-cc-ico { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; font-size: 15px; }
.m-cc.bad .m-cc-ico { background: var(--red); }
.m-cc.good .m-cc-ico { background: var(--success); }
.m-cc-head h3 { font-size: 16px; font-weight: 700; }
.m-compare-list li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: #475069; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.m-compare-list li:last-child { border-bottom: none; }
.m-dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; margin-top: 7px; }
.m-dot.red { background: var(--red); }
.m-dot.green { background: var(--success); }

/* ============ 核心功能 ============ */
.m-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.m-fc {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 14px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.m-fc-ico {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: var(--bg-soft); margin-bottom: 12px;
}
.m-fc-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.m-fc-desc { font-size: 12.5px; color: var(--text-muted); line-height: 1.6; flex: 1; }
.m-fc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.m-tag { font-size: 11px; color: var(--brand); background: var(--bg-soft); padding: 3px 9px; border-radius: var(--radius-pill); }

/* 折叠 */
.m-collapse-body { overflow: hidden; max-height: 0; transition: max-height .4s ease; }
.m-collapse-body.open { max-height: 1400px; }
.m-collapse-toggle {
  margin: 18px auto 0; display: flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--brand);
  background: var(--bg-soft); border: none; border-radius: var(--radius-pill);
  padding: 10px 20px; cursor: pointer;
}
.m-collapse-toggle .chev { transition: transform .3s; }
.m-collapse-toggle.open .chev { transform: rotate(180deg); }

/* ============ 轻定制 ============ */
.m-custom { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.m-ci {
  display: flex; gap: 13px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px; box-shadow: var(--shadow-sm);
}
.m-ci-circle {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--bg-soft);
}
.m-ci h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.m-ci p { font-size: 12.5px; color: var(--text-muted); line-height: 1.6; }
.m-custom-bridge {
  margin-top: 6px; text-align: center; font-size: 13px; font-weight: 600; color: var(--success-dark);
  background: linear-gradient(180deg,#f1fbf6,#fff); border: 1px dashed rgba(16,185,129,.4);
  border-radius: var(--radius); padding: 14px;
}

/* ============ 门户产品卡（m/index.html） ============ */
.m-pcard {
  position: relative; display: block;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 20px 18px; box-shadow: var(--shadow);
}
.m-pcard:active { transform: scale(.99); }
.m-pcard-badge {
  position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg,#10B981,#059669); padding: 4px 10px; border-radius: var(--radius-pill);
}
.m-pcard-ico { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; border: 1px solid var(--line); margin-bottom: 12px; }
.m-pcard-name { font-size: 19px; font-weight: 800; }
.m-pcard-desc { margin-top: 8px; font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.m-pcard-price { margin-top: 14px; display: flex; align-items: baseline; gap: 6px; }
.m-pcard-price .num { font-size: 30px; font-weight: 800; color: var(--brand); }
.m-pcard-price .unit { font-size: 13px; color: var(--text-muted); }
.m-pcard-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.m-pcard-btn {
  margin-top: 16px; display: flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 46px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 700; color: #fff;
  background: var(--brand-grad); box-shadow: 0 8px 20px rgba(30,111,255,.32);
}

/* ============ 定价 ============ */
.m-pricing { background: linear-gradient(180deg, #f7faff, #eef3ff); }
.m-price-card {
  background: #fff; border-radius: var(--radius-lg); padding: 22px 18px;
  box-shadow: var(--shadow); border: 1px solid rgba(30,111,255,.12);
}
.m-price-badge { display: inline-block; font-size: 12px; font-weight: 700; color: #fff; background: var(--success-grad); padding: 5px 12px; border-radius: var(--radius-pill); }
.m-price-main { display: flex; align-items: baseline; gap: 4px; margin-top: 14px; }
.m-price-cur { font-size: 20px; font-weight: 700; color: var(--text); }
.m-price-num { font-size: 44px; font-weight: 800; color: var(--brand); letter-spacing: -1px; }
.m-price-num small { font-size: 18px; }
.m-price-name { font-size: 17px; font-weight: 700; margin-top: 4px; }
.m-price-desc { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.m-price-feats { margin: 16px 0; display: flex; flex-direction: column; gap: 10px; }
.m-price-feats li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: #3b4561; }
.m-price-feats svg { flex: 0 0 auto; margin-top: 3px; }
.m-price-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }

/* 部署方式（smb） */
.m-deploy { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); }
.m-deploy-title { font-size: 13px; font-weight: 700; color: var(--text-muted); margin-bottom: 10px; }
.m-deploy-opt { display: flex; align-items: center; justify-content: space-between; padding: 11px 13px; border-radius: 12px; background: var(--bg); margin-bottom: 8px; }
.m-deploy-opt .lbl { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.m-deploy-opt .pr { font-size: 15px; font-weight: 800; color: var(--brand); }
.m-deploy-opt .pr.sec { color: var(--text-muted); font-weight: 700; }
.m-deploy-opt .pr small { font-size: 11px; font-weight: 600; }
.m-deploy-divider { text-align: center; font-size: 12px; color: var(--text-muted); margin: 2px 0 8px; }

/* SaaS 对比（简化） */
.m-saas { margin-top: 18px; background: #fff; border-radius: var(--radius-lg); padding: 18px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.m-saas-head { font-size: 15px; font-weight: 700; }
.m-saas-sub { font-size: 12px; color: var(--text-muted); margin: 2px 0 12px; }
.m-saas-tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.m-saas-tab { flex: 1; min-height: 40px; border: 1px solid var(--line); background: var(--bg); border-radius: 12px; font-size: 14px; font-weight: 700; color: var(--text-muted); cursor: pointer; }
.m-saas-tab.active { background: var(--brand-grad); color: #fff; border-color: transparent; box-shadow: 0 6px 14px rgba(30,111,255,.3); }
.m-saas-row { display: flex; align-items: center; justify-content: space-between; padding: 11px 4px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.m-saas-row:last-child { border-bottom: none; }
.m-saas-row .lbl { color: var(--text-muted); }
.m-saas-row strong { font-size: 15px; }
.m-saas-row .tag { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--bg-soft); color: var(--brand); }
.m-saas-row .tag.saas { background: rgba(239,68,68,.1); color: var(--red); }
.m-saas-save { margin-top: 12px; background: linear-gradient(135deg,#eafaf1,#dcfce7); border-radius: 14px; padding: 13px; display: flex; align-items: center; justify-content: space-between; }
.m-saas-save .lbl { font-size: 13px; font-weight: 600; color: var(--success-dark); }
.m-saas-save strong { font-size: 22px; font-weight: 800; color: var(--success); }
.m-saas-note { margin-top: 10px; font-size: 12px; color: var(--text-muted); text-align: center; }

/* ============ 数据看板（简化） ============ */
.m-kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.m-kpi { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 15px; }
.m-kpi-label { font-size: 12px; color: #9fb0cc; }
.m-kpi-num { font-size: 26px; font-weight: 800; color: #fff; margin: 4px 0 2px; }
.m-kpi-num small { font-size: 13px; font-weight: 600; color: #cfe0ff; }
.m-kpi-chg { font-size: 11.5px; }
.m-kpi-chg.up { color: #34d399; }
.m-kpi-chg.down { color: #fbbf24; }

.m-chart { margin-top: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 16px; }
.m-chart-title { font-size: 13.5px; font-weight: 600; color: #d6e2f7; margin-bottom: 14px; }
.m-bars { display: flex; align-items: flex-end; justify-content: space-between; gap: 8px; height: 130px; }
.m-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.m-bar { width: 100%; max-width: 26px; border-radius: 6px 6px 0 0; background: linear-gradient(180deg,#4080FF,#1E6FFF); position: relative; transition: height 1s cubic-bezier(.22,.8,.3,1); }
.m-bar span { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-size: 10px; color: #cfe0ff; }
.m-bar.hl { background: linear-gradient(180deg,#34d399,#10B981); }
.m-bar-col label { font-size: 10.5px; color: #9fb0cc; }
.m-bar-col label.active { color: #34d399; font-weight: 700; }

.m-progress { margin-top: 13px; display: flex; flex-direction: column; gap: 13px; }
.m-prog-row .top { display: flex; justify-content: space-between; font-size: 12.5px; color: #cfe0ff; margin-bottom: 6px; }
.m-prog-bar { height: 8px; border-radius: 6px; background: rgba(255,255,255,.12); overflow: hidden; }
.m-prog-fill { height: 100%; border-radius: 6px; background: linear-gradient(90deg,#4080FF,#1E6FFF); }

/* ============ 业务流程（竖向步骤） ============ */
.m-flow { margin-top: 22px; position: relative; padding-left: 8px; }
.m-step { position: relative; padding: 0 0 22px 52px; }
.m-step:last-child { padding-bottom: 0; }
.m-step::before { content: ""; position: absolute; left: 19px; top: 40px; bottom: -4px; width: 2px; background: linear-gradient(180deg,var(--brand),var(--bg-soft)); }
.m-step:last-child::before { display: none; }
.m-step-circle {
  position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 14px;
  background: var(--brand-grad); box-shadow: 0 6px 16px rgba(30,111,255,.35);
}
.m-step:nth-child(2) .m-step-circle { background: linear-gradient(135deg,#10B981,#059669); }
.m-step:nth-child(3) .m-step-circle { background: linear-gradient(135deg,#F59E0B,#EF4444); }
.m-step:nth-child(4) .m-step-circle { background: linear-gradient(135deg,#4080FF,#1E6FFF); }
.m-step:nth-child(5) .m-step-circle { background: linear-gradient(135deg,#7c3aed,#1E6FFF); }
.m-step h4 { font-size: 16px; font-weight: 700; }
.m-step p { font-size: 13px; color: var(--text-muted); margin-top: 3px; }
.m-step .m-step-tag { display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 600; color: var(--brand); background: var(--bg-soft); padding: 3px 10px; border-radius: 999px; }
.m-flow-foot { margin-top: 4px; text-align: center; font-size: 13px; color: var(--text-muted); }

/* ============ 底部 CTA（明亮品牌渐变） ============ */
.m-cta { padding: 46px 16px; text-align: center; background: linear-gradient(135deg, #1E6FFF 0%, #4080FF 100%); color: #fff; }
.m-cta h2 { font-size: 22px; font-weight: 800; line-height: 1.4; }
.m-cta p { margin: 12px auto 0; max-width: 320px; font-size: 13.5px; color: rgba(255,255,255,.92); }
.m-cta-actions { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; max-width: 300px; margin-left: auto; margin-right: auto; }
/* CTA 内白底主按钮，提升对比 */
.m-cta .m-btn-primary { background: #fff; color: var(--brand); box-shadow: 0 10px 26px rgba(0,0,0,.12); }
.m-cta .m-btn-ghost { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.4); }

/* ============ Footer（浅色） ============ */
.m-footer { background: #eef2f9; color: var(--text-muted); text-align: center; font-size: 12px; padding: 20px 16px calc(20px + var(--safe-b)); }
.m-footer-pc { display: inline-block; margin-top: 10px; color: var(--brand); font-weight: 600; border-bottom: 1px solid rgba(30,111,255,.35); padding-bottom: 1px; }

/* ============ 吸底操作栏 ============ */
.m-sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  display: flex; gap: 10px; padding: 10px 14px calc(10px + var(--safe-b));
  background: rgba(255,255,255,.86); backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 30px rgba(20,40,90,.08);
}
.m-sticky .m-btn { flex: 1; min-height: 46px; font-size: 15px; }

/* ============ 悬浮联系按钮 FAB ============ */
.m-fab { position: fixed; right: 16px; bottom: calc(var(--cta-h) + var(--safe-b) + 16px); z-index: 58; }
.m-fab-menu { position: absolute; right: 0; bottom: 60px; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; opacity: 0; transform: translateY(10px); pointer-events: none; transition: .25s; }
.m-fab.open .m-fab-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.m-fab-item { display: flex; align-items: center; gap: 9px; background: #fff; border-radius: 999px; padding: 10px 16px; box-shadow: var(--shadow); font-size: 13.5px; font-weight: 600; color: var(--text); border: 1px solid var(--line); }
.m-fab-item .ic { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #fff; }
.m-fab-item .ic.call { background: var(--success-grad); }
.m-fab-item .ic.wx { background: var(--brand-grad); }
.m-fab-main {
  width: 54px; height: 54px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--brand-grad); color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(30,111,255,.45); transition: transform .2s;
}
.m-fab.open .m-fab-main { transform: rotate(135deg); }

/* ============ 弹窗（联系 / 演示 / 购买） ============ */
.m-overlay {
  position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center;
  background: rgba(15,23,42,.55); backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden; transition: .28s; padding: 22px;
}
.m-overlay.active { opacity: 1; visibility: visible; }
.m-modal {
  width: 100%; max-width: 340px; background: #fff; border-radius: var(--radius-lg);
  padding: 24px 20px; text-align: center; transform: translateY(16px) scale(.96); transition: transform .3s cubic-bezier(.22,.8,.3,1);
  max-height: 86vh; overflow-y: auto;
}
.m-overlay.active .m-modal { transform: translateY(0) scale(1); }
.m-modal-close { position: absolute; top: 12px; right: 16px; font-size: 26px; line-height: 1; color: var(--text-muted); background: none; border: none; cursor: pointer; }
.m-modal-icon { width: 60px; height: 60px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-soft); }
.m-modal-title { font-size: 19px; font-weight: 800; }
.m-modal-desc { margin-top: 8px; font-size: 13.5px; color: var(--text-muted); line-height: 1.7; }
.m-modal-list { text-align: left; margin: 14px 0; display: flex; flex-direction: column; gap: 9px; }
.m-modal-list li { display: flex; gap: 8px; font-size: 13px; color: #3b4561; align-items: flex-start; }
.m-modal-list li::before { content: "•"; color: var(--brand); font-weight: 800; }
.m-modal-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.m-version-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.m-version-item {
  display: flex; align-items: center; gap: 12px; text-align: left;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-md, 14px);
  padding: 13px 14px; cursor: pointer; transition: .18s;
}
.m-version-item:active { background: #eef3ff; border-color: rgba(30,111,255,.35); transform: scale(.99); }
.m-version-ico { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; }
.m-version-text { flex: 1; min-width: 0; }
.m-version-text strong { display: block; font-size: 15px; font-weight: 700; color: var(--text); }
.m-version-text small { display: block; margin-top: 2px; font-size: 11.5px; color: var(--text-muted); line-height: 1.5; }
.m-version-arrow { flex: none; color: var(--text-muted); }
.m-qr { width: 180px; height: 180px; object-fit: contain; margin: 14px auto 6px; border-radius: 14px; border: 1px solid var(--line); background: #fff; }
.m-modal-tip { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* ============ 滚动入场动画 ============ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s cubic-bezier(.22,.8,.3,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}