/* ==========================================================================
   山东省图腾数据服务有限公司 · 官网样式
   设计基调：深空暗色 + 青蓝科技光感，适配桌面与移动端。
   ========================================================================== */

:root {
  --bg: #060a14;
  --bg-2: #090f1d;
  --panel: rgba(146, 178, 255, 0.045);
  --panel-2: rgba(146, 178, 255, 0.08);
  --line: rgba(130, 168, 255, 0.14);
  --line-strong: rgba(130, 168, 255, 0.28);
  --text: #e9effb;
  --muted: #9aa9c2;
  --muted-2: #6d7c96;
  --cyan: #5fd4ff;
  --blue: #3b82f6;
  --blue-deep: #2563eb;
  --green: #34d399;
  --grad: linear-gradient(96deg, #5fd4ff 0%, #4f8dff 52%, #7c6bff 100%);
  --radius: 16px;
  --nav-h: 68px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

::selection { background: rgba(95, 212, 255, 0.28); }

img, svg { display: block; }

small { font-size: 0.55em; font-weight: 500; margin-left: 2px; }

/* ---------- 通用布局 ---------- */

.wrap { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.section { position: relative; padding: 108px 0; }

.section.alt { background: var(--bg-2); }

.section.alt::before,
.section.alt::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.section.alt::before { top: 0; }
.section.alt::after { bottom: 0; }

.sec-head { max-width: 760px; margin-bottom: 56px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--cyan);
  vertical-align: middle;
  margin-right: 10px;
  opacity: 0.75;
}

h1, h2, h3 { font-weight: 650; line-height: 1.32; letter-spacing: 0.01em; }

h2 { font-size: clamp(24px, 3.4vw, 34px); margin-bottom: 16px; }

.sec-lead { color: var(--muted); font-size: 16px; max-width: 640px; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 顶部导航 ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 10, 20, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav-inner {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
/* 品牌图形 = 官方 logo（白色版，透明底）。深色站点上直接用白色图形，
   不加深色描边或光晕，保持图形本身的笔画干净。尺寸由 img 的 width/height 属性控制。 */
.brand-mark { display: inline-flex; flex: 0 0 auto; }
.brand-mark img { display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text b { font-size: 17px; letter-spacing: 0.04em; }
.brand-text i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--muted-2);
}

.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
  padding: 8px 16px;
  font-size: 14.5px;
  color: var(--muted);
  border-radius: 999px;
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: var(--text); background: var(--panel-2); }

.nav-cta {
  flex: 0 0 auto;
  font-size: 14px;
  padding: 9px 22px;
  border-radius: 999px;
  color: #cfeaff;
  border: 1px solid var(--line-strong);
  background: rgba(95, 212, 255, 0.06);
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}
.nav-cta:hover {
  border-color: rgba(95, 212, 255, 0.6);
  background: rgba(95, 212, 255, 0.12);
  box-shadow: 0 0 24px rgba(95, 212, 255, 0.18);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: none; border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; height: 2px; width: 18px; margin: 0 auto;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 72px;
  overflow: hidden;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(59, 130, 246, 0.16), transparent 62%),
    radial-gradient(900px 500px at 8% 24%, rgba(95, 212, 255, 0.1), transparent 60%),
    var(--bg);
}

.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(130, 168, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 168, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 78% at 50% 42%, #000 42%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 78% at 50% 42%, #000 42%, transparent 100%);
}

#net { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.75; }

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.g1 { width: 460px; height: 460px; right: -120px; top: -80px; background: rgba(59, 130, 246, 0.2); animation: drift 14s ease-in-out infinite alternate; }
.g2 { width: 380px; height: 380px; left: -140px; bottom: -60px; background: rgba(95, 212, 255, 0.13); animation: drift 18s ease-in-out infinite alternate-reverse; }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(28px, 34px, 0) scale(1.12); }
}

.hero-inner { position: relative; width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.hero h1 {
  font-size: clamp(38px, 6.4vw, 66px);
  letter-spacing: 0.015em;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero .lead {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 30px;
  border-radius: 999px;
  /* <button> 不会自动继承页面字体（<a> 会）——不声明则回落到浏览器默认 UI 字体，与全站不一致 */
  font-family: inherit;
  font-size: 15px;
  font-weight: 550;
  letter-spacing: 0.02em;
  transition: transform 0.25s, box-shadow 0.3s, border-color 0.3s, background 0.3s;
}
.btn.primary {
  color: #041022;
  background: var(--grad);
  box-shadow: 0 10px 34px rgba(79, 141, 255, 0.34);
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(79, 141, 255, 0.48); }
.btn.ghost {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(146, 178, 255, 0.04);
}
.btn.ghost:hover { border-color: rgba(95, 212, 255, 0.55); background: rgba(95, 212, 255, 0.08); transform: translateY(-2px); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 760px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero-stats div { display: flex; flex-direction: column; gap: 2px; }
.hero-stats dt {
  font-family: var(--mono);
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--text);
  letter-spacing: 0.02em;
}
.hero-stats dt small { color: var(--cyan); }
.hero-stats dd { font-size: 13px; color: var(--muted-2); letter-spacing: 0.06em; }

/* ---------- 关于我们 ---------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.about-copy p { color: var(--muted); margin-bottom: 22px; font-size: 15.5px; }
.about-copy strong { color: var(--text); font-weight: 600; }

.about-facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  overflow: hidden;
}
.fact {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}
.fact:last-child { border-bottom: none; }
.fact span { color: var(--muted-2); flex: 0 0 auto; }
.fact b { font-weight: 550; text-align: right; }

/* ---------- 业务方向 ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  padding: 34px 30px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--panel-2), rgba(146, 178, 255, 0.015));
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(95, 212, 255, 0.55), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 22px 48px rgba(3, 8, 20, 0.6), 0 0 0 1px rgba(95, 212, 255, 0.08);
}
.card:hover::after { opacity: 1; }

.card-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  color: var(--cyan);
  background: rgba(95, 212, 255, 0.06);
  margin-bottom: 22px;
}
.card-icon svg { width: 24px; height: 24px; }

.card h3 { font-size: 17.5px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 产品平台 ---------- */

.product {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.product h2 { display: flex; flex-direction: column; gap: 6px; margin-bottom: 22px; }
.product h2 .sub {
  font-size: 15px;
  font-weight: 450;
  color: var(--muted-2);
  letter-spacing: 0.12em;
}

.product .lead { color: var(--muted); font-size: 15.5px; margin-bottom: 30px; }

.product-points { list-style: none; display: grid; gap: 14px; margin-bottom: 30px; }
.product-points li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-size: 14.5px;
}
.product-points li::before {
  content: "";
  position: absolute;
  left: 2px; top: 9px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--grad);
  box-shadow: 0 0 10px rgba(95, 212, 255, 0.6);
}
.product-points b { color: var(--text); font-weight: 600; margin-right: 10px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.chips span {
  font-size: 13px;
  color: #b7ecd7;
  padding: 6px 15px;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.32);
  background: rgba(52, 211, 153, 0.07);
}

.product-note { font-size: 13px; color: var(--muted-2); }

.product-visual { position: relative; }
.product-visual::before {
  content: "";
  position: absolute; inset: -40px;
  background: radial-gradient(closest-side, rgba(52, 211, 153, 0.14), transparent 72%);
  pointer-events: none;
}

.pv-card {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 30px;
  background: linear-gradient(170deg, rgba(16, 26, 46, 0.92), rgba(9, 15, 29, 0.92));
  box-shadow: 0 30px 70px rgba(3, 8, 20, 0.65);
}
.pv-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.pv-row .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px rgba(95, 212, 255, 0.7); }
.pv-row .bar { height: 8px; border-radius: 4px; background: rgba(130, 168, 255, 0.22); }
.pv-row .w1 { width: 62%; } .pv-row .w2 { width: 44%; } .pv-row .w3 { width: 74%; }

.pv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin: 24px 0;
}
.pv-grid .cell {
  height: 44px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(130, 168, 255, 0.05);
}
.pv-grid .cell.on {
  border-color: rgba(52, 211, 153, 0.42);
  background: linear-gradient(150deg, rgba(52, 211, 153, 0.2), rgba(52, 211, 153, 0.05));
}

.pv-foot {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
}
.pv-foot .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.9);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  100% { box-shadow: 0 0 0 12px rgba(52, 211, 153, 0); }
}

/* ---------- 农场入驻（亿份云田） ---------- */

.farm-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }

.farm-steps {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 36px 34px;
  background: linear-gradient(170deg, rgba(16, 26, 46, 0.92), rgba(9, 15, 29, 0.92));
  box-shadow: 0 30px 70px rgba(3, 8, 20, 0.65);
}
.farm-steps::before {
  content: "";
  position: absolute; inset: -40px;
  background: radial-gradient(closest-side, rgba(52, 211, 153, 0.14), transparent 72%);
  pointer-events: none;
}

.farm-steps h3 { font-size: 17px; margin-bottom: 22px; }

.farm-flow { list-style: none; display: grid; gap: 20px; margin-bottom: 26px; }
.farm-flow li { display: flex; gap: 14px; }
.farm-flow .n {
  flex: 0 0 auto;
  width: 38px; height: 30px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--cyan);
  margin-top: 2px;
}
.farm-flow b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.farm-flow i { font-style: normal; display: block; color: var(--muted); font-size: 13.5px; line-height: 1.7; }

.farm-url {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  transition: border-color 0.25s, background 0.25s;
}
.farm-url:hover { border-color: rgba(95, 212, 255, 0.55); background: rgba(95, 212, 255, 0.06); }

/* ---------- 联系我们 ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.contact-side { display: grid; gap: 22px; }

.contact-card {
  padding: 32px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--panel-2), rgba(146, 178, 255, 0.015));
  transition: border-color 0.3s, transform 0.3s;
}
.contact-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.contact-card h3 { font-size: 16px; margin-bottom: 10px; }
.contact-card p { color: var(--muted); font-size: 14.5px; }
.contact-card .mail { color: var(--cyan); border-bottom: 1px dashed rgba(95, 212, 255, 0.4); padding-bottom: 1px; transition: color 0.25s; }
.contact-card .mail:hover { color: #a5e6ff; }

/* 在线留言表单（云服务） */

.contact-form {
  padding: 34px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--panel-2), rgba(146, 178, 255, 0.015));
}

.contact-form h3 { font-size: 18px; margin-bottom: 8px; }
.contact-form .form-lead { color: var(--muted); font-size: 14px; margin-bottom: 22px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field { display: block; margin-bottom: 16px; }
.form-field > span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 7px;
  letter-spacing: 0.04em;
}
.form-field > span i { font-style: normal; color: var(--cyan); }

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  background: rgba(5, 9, 18, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--muted-2); opacity: 0.75; }
.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(95, 212, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(95, 212, 255, 0.12);
}
.form-field textarea { resize: vertical; min-height: 96px; }

.form-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.form-foot .btn { border: 1px solid transparent; cursor: pointer; }
.form-foot .btn:disabled { opacity: 0.65; transform: none; cursor: default; }

.form-status { font-size: 13.5px; color: var(--muted); flex: 1; min-width: 160px; margin: 0; }
.form-status.ok { color: var(--green); }
.form-status.err { color: #f09595; }

.form-note { margin-top: 14px; font-size: 12.5px; color: var(--muted-2); }

/* ---------- 页脚 ---------- */

.foot {
  border-top: 1px solid var(--line);
  background: #05080f;
  padding: 56px 0 40px;
}

.foot-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}
.foot-brand { display: flex; gap: 14px; align-items: flex-start; }
.foot-brand b { display: block; font-size: 15.5px; margin-bottom: 6px; }
.foot-brand i { font-style: normal; font-size: 13px; color: var(--muted-2); letter-spacing: 0.08em; }

.foot-links { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-links a { font-size: 14px; color: var(--muted); transition: color 0.25s; }
.foot-links a:hover { color: var(--text); }

.foot-legal { text-align: center; padding-top: 32px; }
.foot-legal .copy { font-size: 13.5px; color: var(--muted-2); margin-bottom: 14px; }

.beian {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 13.5px;
}
.beian a {
  color: var(--muted);
  transition: color 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.beian a:hover { color: var(--text); }
.beian .sep { color: var(--muted-2); opacity: 0.5; }

/* 公安备案图标：使用公安备案平台下发的官方图标（assets/img/beian.png），
   官方要求"图标在前、编号在右"，建议尺寸 16×17 px。 */
.beian .police img {
  flex: 0 0 auto;
  width: 16px;
  height: 17px;
}

/* ---------- 进场动效 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.on { opacity: 1; transform: none; }

.hero .reveal { transform: translateY(26px); }
.hero .reveal.on { transform: none; }

/* ---------- 响应式 ---------- */

@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product { grid-template-columns: 1fr; gap: 48px; }
  .product-visual { max-width: 460px; }
  .farm-steps { max-width: 520px; }
}

@media (max-width: 720px) {
  .section { padding: 76px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav.open .nav-links {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 18px 24px 26px;
    background: rgba(6, 10, 20, 0.96);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .nav.open .nav-links a { padding: 13px 16px; color: var(--text); font-size: 16px; }

  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; }
  .cards { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 28px 22px; }
  .foot-top { flex-direction: column; gap: 28px; }
}

/* ---------- 无障碍：减少动态 ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-glow { animation: none; }
  .pv-foot .pulse { animation: none; }
  #net { display: none; }
}