/* Brand blue and green come from the existing official site and supplied brand mark. */
@font-face {
  font-family: "Liuketong Sans";
  src: url("/assets/fonts/liuketong-sans.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
:root {
  --blue: #1c5ceb;
  --blue-dark: #1547be;
  --mint: #3dd4ae;
  --ink: #15243e;
  --muted: #58677d;
  --line: #e1e7ef;
  --paper: #f5f8fc;
  --radius: 20px;
  --width: 1180px;
  font-family: "Liuketong Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}
.contact-pending p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 14px;
}
.btn:disabled {
  cursor: not-allowed;
  background: #e0e7f2;
  border-color: #e0e7f2;
  color: #58677d;
  transform: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  line-height: 1.35;
  letter-spacing: 0;
  font-weight: 650;
}
h1 {
  letter-spacing: -0.02em;
  font-size: clamp(36px, 4.1vw, 60px);
  margin-bottom: 24px;
}
h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 18px;
}
h3 {
  font-size: 21px;
  margin-bottom: 12px;
}
p {
  margin-bottom: 20px;
}
strong,
b {
  font-weight: 600;
}
p:last-child {
  margin-bottom: 0;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 5px;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(var(--width), calc(100% - 64px));
  margin-inline: auto;
}
.muted {
  color: var(--muted);
}
.blue {
  color: var(--blue);
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-size: 13px;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  height: 7px;
  width: 7px;
  border-radius: 50%;
  background: var(--mint);
}
.section {
  padding: 88px 0;
}
.soft {
  background: var(--paper);
}
.section-head {
  max-width: 680px;
  margin-bottom: 40px;
}
.section-head p {
  color: var(--muted);
}
.center {
  text-align: center;
  margin-inline: auto;
}
.center .eyebrow {
  justify-content: center;
}
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  padding: 12px 23px;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 8px;
  color: white;
  font-weight: 600;
  line-height: 1.5;
  transition:
    background 0.18s,
    transform 0.18s;
}
.btn:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}
.btn.secondary {
  background: white;
  color: var(--ink);
  border-color: #d3dce9;
}
.btn.secondary:hover {
  background: #f0f5ff;
}
.btn.white {
  background: #fff;
  color: var(--blue);
  border-color: #fff;
}
.arrow {
  font-size: 20px;
  font-weight: 400;
}
.actions {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.text-link {
  color: var(--blue);
  font-weight: 600;
  display: inline-flex;
  gap: 10px;
  align-items: center;
}
.text-link:hover {
  text-decoration: underline;
}
.skip {
  position: fixed;
  top: -80px;
  left: 20px;
  padding: 10px;
  background: #fff;
  z-index: 100;
}
.skip:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fffffff5;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand img {
  width: 40px;
  height: 40px;
}
.brand b {
  font-size: 21px;
  letter-spacing: -0.04em;
}
.brand small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.navigation {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
}
.navigation a:hover,
.navigation [aria-current="page"] {
  color: var(--blue);
}
.navigation .btn {
  font-size: 14px;
  color: white;
  padding: 10px 19px;
  min-height: 42px;
}
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  padding: 8px 14px;
  color: var(--ink);
}
.hero {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 86% 20%, #e5edff 0, transparent 55%), linear-gradient(180deg, #fafcff, #f4f8ff);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 48px;
  padding-block: 72px 60px;
}
.hero-copy {
  position: relative;
  z-index: 1;
}
.hero-copy > p {
  max-width: 520px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}
.hero h1 span {
  color: var(--blue);
}
.hero h1 {
  font-size: clamp(32px, 3.4vw, 50px);
}
.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 22px;
  margin-top: 25px;
  font-size: 13px;
  color: var(--muted);
}
.hero-explore {
  min-height: 48px;
  padding: 10px 4px;
  font-size: 15px;
}
.hero-copy .actions {
  gap: 16px 24px;
}
.hero-notes span::before {
  content: "✓";
  color: #148367;
  font-weight: 700;
  margin-right: 6px;
}
.product-scene {
  position: relative;
  min-height: 544px;
  padding-bottom: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.orbit {
  position: absolute;
  width: 440px;
  height: 440px;
  border: 1px solid #cedbf6;
  border-radius: 50%;
  background: #ebf1ff80;
}
.orbit::after {
  content: "";
  position: absolute;
  inset: 40px;
  border: 1px dashed #c5d4f0;
  border-radius: 50%;
}
.phone {
  position: relative;
  width: 228px;
  border: 7px solid #fff;
  border-radius: 33px;
  background: white;
  overflow: hidden;
  box-shadow:
    0 25px 65px #264c9e29,
    0 0 0 1px #dce4f2;
  transform: rotate(-4deg);
}
.phone img {
  width: 100%;
  aspect-ratio: 1290 / 2796;
}
.float-note {
  position: absolute;
  background: #fffffff5;
  border: 1px solid #e4ebf7;
  box-shadow: 0 10px 28px #23488c10;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 12px;
  line-height: 1.6;
  z-index: 2;
}
.float-note strong {
  display: block;
  font-size: 16px;
}
.float-note small {
  color: var(--muted);
  font-size: 12px;
}
.float-note.one {
  top: 76px;
  right: -8px;
}
.float-note.two {
  bottom: 88px;
  left: -4px;
}
.float-note .note-icon {
  width: 31px;
  height: 31px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: #eaf0ff;
  border-radius: 8px;
  margin-bottom: 7px;
  font-weight: 700;
}
.scene-caption {
  position: absolute;
  bottom: -4px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0;
  min-height: 44px;
  padding: 11px 8px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.promise-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 30px 0;
  gap: 30px;
  border-top: 1px solid #dce5f4;
  font-size: 16px;
}
.promise-strip > div {
  display: grid;
  align-content: start;
  gap: 6px;
}
.promise-strip strong {
  font-weight: 600;
  line-height: 1.6;
}
.promise-strip span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.private-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 40px;
}
.private-heading .section-head {
  margin-bottom: 0;
  max-width: 670px;
}
.private-heading .section-head > p:last-child {
  margin-bottom: 0;
  color: #46556b;
  font-size: 17px;
  line-height: 1.85;
}
.private-solution {
  flex-shrink: 0;
  font-size: 15px;
  white-space: nowrap;
}
.private-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.private-steps li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-top: 1px solid #dce5f0;
  padding-top: 24px;
}
.private-step-number {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  color: #2357ad;
  background: #edf3fc;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}
.private-steps h3 {
  color: var(--ink);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 12px;
}
.private-steps p {
  color: #46556b;
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 22px;
}
.private-step-detail {
  display: block;
  margin-top: auto;
  padding: 9px 12px;
  border-radius: 6px;
  background: #f4f6f9;
  color: #536177;
  font-size: 14px;
  line-height: 1.7;
}
.private-followup {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 28px;
}
.private-followup p {
  margin: 0;
  color: #58677d;
  font-size: 14px;
  line-height: 1.8;
}
@media (max-width: 1000px) {
  .private-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
}
@media (max-width: 760px) {
  .private-heading .section-head > p:last-child {
    font-size: 16px;
  }
  .private-steps h3 {
    font-size: 20px;
  }
}
.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  background: white;
  display: flex;
  flex-direction: column;
}
.feature-card .card-number {
  font-size: 13px;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 24px;
}
.feature-card p {
  color: var(--muted);
  font-size: 15px;
  flex: 1;
}
.feature-card .text-link {
  font-size: 14px;
}
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.tag {
  font-size: 12px;
  border: 1px solid var(--line);
  background: #f8faff;
  border-radius: 5px;
  padding: 3px 9px;
  color: var(--muted);
}
.workflow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 30px 0;
}
.steps li {
  position: relative;
  padding: 0 0 28px 54px;
  border-left: 1px solid #dce4ef;
  margin-left: 17px;
}
.steps li:last-child {
  border: 0;
  padding-bottom: 0;
}
.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -18px;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: #edf3ff;
  color: var(--blue);
  font-size: 12px;
  border: 5px solid white;
  border-radius: 50%;
  box-sizing: content-box;
  transform: translateX(-4px);
}
.steps strong {
  display: block;
  font-size: 17px;
  margin-bottom: 5px;
}
.steps p {
  font-size: 15px;
  color: var(--muted);
}
.workflow-board {
  border-radius: 24px;
  padding: 35px;
  background: #eaf1ff;
  border: 1px solid #dae5f8;
}
.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #d6e1f4;
  padding-bottom: 20px;
  margin-bottom: 24px;
  font-size: 15px;
}
.board-header span {
  font-size: 12px;
  color: #586b8c;
}
.flow-box {
  padding: 20px 24px;
  background: #fff;
  border: 1px solid #dde6f4;
  border-radius: 12px;
  display: flex;
  gap: 16px;
  align-items: center;
}
.flow-icon {
  background: #edf3ff;
  color: var(--blue);
  height: 40px;
  width: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.flow-box p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.flow-arrow {
  text-align: center;
  color: #718bb4;
  height: 32px;
  line-height: 32px;
}
.board-note {
  font-size: 12px;
  color: #647693;
  text-align: center;
  margin: 20px 0 0;
}
.split-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 35px;
}
.split-head .section-head {
  margin: 0;
}
.playbook-groups {
  display: grid;
  gap: 28px;
}
.advantage-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.adv-card {
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: white;
  display: flex;
  flex-direction: column;
}
.adv-copy p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 24px;
}
.connection-map {
  display: grid;
  grid-template-columns: 1fr 22px 1.25fr 22px 1.3fr;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-height: 240px;
  padding: 24px 14px;
  border-radius: 14px;
  background-color: #f4f8ff;
  background-image: radial-gradient(#d4dfef 1px, transparent 1px);
  background-size: 18px 18px;
}
.channel-node,
.brand-nexus {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 5px;
  border-radius: 12px;
  padding: 15px 6px;
}
.channel-node b,
.brand-nexus strong {
  font-size: 14px;
}
.channel-node small,
.brand-nexus small {
  font-size: 12px;
}
.channel-douyin {
  color: white;
  background: #202c43;
}
.channel-wechat {
  background: #e0f6ed;
  color: #176a4b;
  border: 1px solid #c2e9d7;
}
.channel-enterprise {
  background: #e8efff;
  color: #2555a9;
  border: 1px solid #ccdafa;
}
.channel-group {
  display: grid;
  gap: 12px;
}
.brand-nexus {
  padding-block: 20px;
  background: white;
  border: 1px solid #d5e1f3;
  box-shadow: 0 8px 24px #244b8910;
}
.brand-nexus img {
  margin-bottom: 8px;
}
.connection-arrow {
  text-align: center;
  color: #6c8ec5;
  font-size: 24px;
}
.adv-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  min-height: 44px;
}
.adv-foot > span {
  font-size: 12px;
  color: var(--muted);
}
.adv-foot a {
  font-size: 14px;
  min-height: 44px;
}
.tool-gallery {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 16px;
  border-radius: 14px;
  background: #f5f8fc;
}
.tool-gallery a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 4px;
  border-radius: 10px;
  background: white;
  border: 1px solid #e8edf5;
  font-size: 13px;
  transition: border-color 0.2s;
}
.tool-gallery a:hover {
  border-color: var(--blue);
}
.tool-gallery img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 12px;
}
.guide-visual {
  display: grid;
  grid-template-columns: minmax(100px, 142px) minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  padding: 22px;
  border-radius: 14px;
  background: #f7f4ed;
  flex: 1;
}
.guide-screen {
  overflow: hidden;
  border: 5px solid white;
  border-radius: 18px;
  box-shadow: 0 8px 24px #5e482019;
}
.guide-screen img {
  width: 100%;
}
.visual-label {
  font-size: 14px;
  font-weight: 600;
}
.guide-steps {
  padding-left: 20px;
  margin-block: 0 24px;
  font-size: 14px;
  color: var(--muted);
}
.guide-steps li {
  margin-bottom: 14px;
}
.guide-side a {
  font-size: 14px;
  min-height: 44px;
}
.retention-visual {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  padding: 28px 20px;
  border-radius: 14px;
  background: #eef8f5;
}
.retention-center {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 16px;
}
.retention-stages {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.retention-stages li {
  position: relative;
  padding: 18px 6px;
  text-align: center;
  border-radius: 10px;
  background: white;
  border: 1px solid #d6e9e1;
}
.retention-stages li:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -18px;
  top: 32px;
  color: #559e80;
}
.retention-stages b {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}
.retention-stages span {
  font-size: 12px;
  color: var(--muted);
}
.retention-return {
  margin: 0;
  padding-top: 18px;
  border-top: 1px dashed #b4d5c6;
  text-align: center;
  font-size: 13px;
  color: #38775b;
}
.retention-return > span {
  font-size: 24px;
  vertical-align: middle;
  margin-right: 4px;
}
.playbook-group {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 32px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.playbook-intro .eyebrow {
  margin-bottom: 12px;
}
.playbook-intro p:last-child,
.playbook-item p {
  font-size: 14px;
  color: var(--muted);
}
.playbook-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.playbook-item {
  border-top: 2px solid #dce5f4;
  padding-top: 16px;
}
.playbook-item h3 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 18px;
}
.feature-status {
  display: inline-flex;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  padding: 2px 7px;
  border-radius: 4px;
  color: #596575;
  background: #f0f3f7;
}
.price-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--ink);
  color: white;
  border-radius: 24px;
  overflow: hidden;
}
.price-copy {
  padding: 44px;
}
.price-copy .eyebrow {
  color: #a9c5ff;
}
.price-copy p {
  color: #bdc9dc;
  font-size: 15px;
}
.price-value {
  font-size: 60px;
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.2;
  margin: 26px 0 10px;
}
.price-value small {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0;
  color: #c6d3e8;
}
.price-detail {
  padding: 44px;
  background: #ffffff06;
  border-left: 1px solid #ffffff15;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}
.check-list li {
  padding: 10px 0;
  display: flex;
  gap: 12px;
  font-size: 15px;
}
.check-list li::before {
  content: "✓";
  color: var(--mint);
  font-weight: 700;
}
.price-detail p {
  font-size: 12px;
  color: #bcc9dc;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 21px 0;
}
.faq-list details:first-child {
  padding-top: 0;
}
.faq-list summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 25px;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: "+";
  color: var(--blue);
  font-size: 23px;
  line-height: 1;
}
.faq-list details[open] summary::after {
  content: "−";
}
.faq-list details p {
  font-size: 15px;
  color: var(--muted);
  margin: 15px 30px 0 0;
}
.cta-band {
  background: var(--blue);
  color: white;
  border-radius: 20px;
  padding: 42px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 70px;
}
.cta-band h2 {
  font-size: 29px;
  margin-bottom: 10px;
}
.cta-band p {
  color: #dae6ff;
  font-size: 14px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 46px 0 24px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 15px;
}
.footer-links {
  display: flex;
  gap: 50px;
  font-size: 13px;
}
.footer-links strong {
  display: block;
  margin-bottom: 12px;
}
.footer-links a {
  display: block;
  color: var(--muted);
  margin-bottom: 7px;
}
.footer-links a:hover {
  color: var(--blue);
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  gap: 20px;
}
.mobile-cta {
  display: none;
}
.breadcrumbs {
  font-size: 12px;
  color: var(--muted);
  padding-top: 26px;
  display: flex;
  gap: 12px;
}
.breadcrumbs a:hover {
  color: var(--blue);
}
.page-hero {
  padding: 60px 0 65px;
  background: linear-gradient(115deg, #f5f8ff, #eff8f6);
  border-bottom: 1px solid var(--line);
}
.page-hero .breadcrumbs {
  padding-top: 0;
  margin-bottom: 35px;
}
.page-hero p {
  max-width: 700px;
  color: var(--muted);
  font-size: 17px;
}
.page-hero h1 {
  font-size: clamp(34px, 4vw, 49px);
  max-width: 900px;
}
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.content-block {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px;
}
.content-block p {
  font-size: 15px;
  color: var(--muted);
}
.notice {
  border-left: 3px solid var(--blue);
  padding: 18px 24px;
  background: #eef4ff;
  font-size: 14px;
  color: var(--muted);
  margin-top: 30px;
}
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 65px;
}
.contact-card {
  padding: 38px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
}
.contact-row {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.contact-row small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.contact-row strong {
  font-size: 22px;
  overflow-wrap: anywhere;
}
.contact-card textarea {
  display: block;
  width: 100%;
  min-height: 170px;
  resize: vertical;
  border: 1px solid #c9d5e6;
  border-radius: 8px;
  padding: 15px;
  color: var(--ink);
  background: white;
  font-size: 14px;
  line-height: 1.8;
  margin: 12px 0 18px;
}
.contact-card label {
  font-weight: 600;
  font-size: 14px;
}
.status {
  font-size: 13px;
  color: var(--muted);
  min-height: 26px;
  margin-top: 12px;
}
.large-number {
  color: var(--blue);
  font-family: ui-monospace, monospace;
  font-size: 36px;
  margin-bottom: 15px;
}
.legal {
  max-width: 800px;
}
.legal h2 {
  font-size: 23px;
  margin-top: 35px;
}
.legal p {
  color: var(--muted);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.contact-divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 28px 0;
}
@media (min-width: 1500px) {
  .hero-grid {
    padding-block: 85px 70px;
  }
}
@media (max-width: 1000px) {
  .advantage-showcase {
    grid-template-columns: 1fr;
  }
  .playbook-group {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .navigation {
    gap: 18px;
  }
  .brand small {
    display: none;
  }
  .hero-grid {
    gap: 20px;
  }
  .float-note.one {
    right: -4px;
  }
  .float-note.two {
    left: -10px;
  }
  .hero h1 {
    font-size: 42px;
  }
  .workflow {
    gap: 35px;
  }
  .faq-grid {
    gap: 40px;
  }
  .three-col {
    gap: 15px;
  }
  .feature-card {
    padding: 24px;
  }
  .footer-links {
    gap: 25px;
  }
}
@media (max-width: 760px) {
  .adv-card {
    padding: 24px;
  }
  .guide-visual {
    gap: 16px;
    padding: 16px;
    grid-template-columns: minmax(80px, 120px) minmax(0, 1fr);
  }
  .tool-gallery {
    gap: 8px;
    padding: 12px;
  }
  .tool-gallery img {
    width: 44px;
    height: 44px;
  }
  .playbook-group,
  .playbook-items {
    grid-template-columns: 1fr;
  }
  .playbook-group {
    padding: 24px;
    gap: 24px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: 68px;
  }
  .brand b {
    font-size: 19px;
  }
  .brand img {
    width: 34px;
    height: 34px;
  }
  .menu-toggle {
    display: block;
  }
  .navigation {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 12px 20px #15243e12;
    padding: 20px;
    align-items: stretch;
    gap: 5px;
    flex-direction: column;
  }
  .navigation[data-open="true"] {
    display: flex;
  }
  .navigation a {
    padding: 11px 12px;
  }
  .navigation .btn {
    margin-top: 8px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    padding-block: 44px 32px;
    gap: 22px;
  }
  .hero h1 {
    font-size: clamp(28px, 7vw, 42px);
  }
  .hero-copy > p {
    font-size: 15px;
  }
  .eyebrow {
    font-size: 12px;
    margin-bottom: 18px;
  }
  .hero-notes {
    font-size: 12px;
    gap: 8px 15px;
  }
  .product-scene {
    min-height: 461px;
    margin: 0 auto;
    width: 100%;
    max-width: 470px;
  }
  .phone {
    width: 185px;
    border-width: 6px;
    border-radius: 27px;
  }
  .orbit {
    height: 345px;
    width: 345px;
    max-width: 100%;
  }
  .float-note {
    padding: 11px 13px;
    font-size: 11px;
  }
  .float-note strong {
    font-size: 14px;
  }
  .float-note.one {
    top: 56px;
    right: 2px;
  }
  .float-note.two {
    left: 0;
    bottom: 70px;
  }
  .scene-caption {
    bottom: 0;
  }
  .promise-strip {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 0;
  }
  .promise-strip > div {
    gap: 4px;
  }
  .section {
    padding: 60px 0;
  }
  .section-head {
    margin-bottom: 30px;
  }
  .three-col,
  .private-steps,
  .workflow,
  .faq-grid,
  .content-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .three-col {
    gap: 17px;
  }
  .private-steps {
    gap: 28px;
  }
  .private-followup {
    align-items: flex-start;
    flex-direction: column;
  }
  .feature-card {
    padding: 28px;
  }
  .feature-card .card-number {
    margin-bottom: 16px;
  }
  .workflow {
    gap: 30px;
  }
  .workflow-board {
    padding: 25px;
  }
  .split-head {
    display: block;
  }
  .split-head > .text-link {
    margin-top: 18px;
  }
  .price-panel {
    grid-template-columns: 1fr;
  }
  .price-copy,
  .price-detail {
    padding: 30px;
  }
  .price-detail {
    border-left: 0;
    border-top: 1px solid #ffffff15;
  }
  .price-value {
    font-size: 52px;
  }
  .faq-grid {
    gap: 10px;
  }
  .cta-band {
    padding: 32px 25px;
    display: block;
    margin-bottom: 45px;
  }
  .cta-band h2 {
    font-size: 25px;
  }
  .cta-band .btn {
    margin-top: 22px;
  }
  .footer-top {
    flex-direction: column;
    gap: 20px;
  }
  .footer-links {
    justify-content: space-between;
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }
  .mobile-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 11px 20px calc(11px + env(safe-area-inset-bottom));
    background: #fffffff8;
    border-top: 1px solid var(--line);
    z-index: 25;
  }
  .mobile-cta span {
    font-size: 12px;
    color: var(--muted);
  }
  .mobile-cta b {
    display: block;
    font-size: 18px;
    color: var(--ink);
    line-height: 1.4;
  }
  .mobile-cta .btn {
    font-size: 14px;
    padding: 10px 14px;
    gap: 8px;
    white-space: nowrap;
    min-height: 44px;
  }
  .page-hero {
    padding: 32px 0 45px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .breadcrumbs {
    margin-bottom: 25px;
    flex-wrap: wrap;
  }
  .contact-card {
    padding: 25px;
  }
  .contact-layout {
    gap: 25px;
  }
}
/* Motion is opt-in through JS. No section is hidden while waiting to enter the viewport. */
@media (max-width: 480px) {
  .connection-map {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 8px;
  }
  .channel-douyin {
    width: 110px;
  }
  .brand-nexus {
    width: 140px;
  }
  .connection-arrow {
    transform: rotate(90deg);
    line-height: 1;
  }
  .channel-group {
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }
  .tool-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .guide-visual {
    grid-template-columns: 1fr;
  }
  .guide-screen {
    width: 150px;
    justify-self: center;
  }
  .retention-stages {
    grid-template-columns: 1fr;
  }
  .retention-stages li:not(:last-child)::after {
    content: "↓";
    right: calc(50% - 5px);
    top: auto;
    bottom: -24px;
  }
}
@keyframes content-enter {
  from {
    opacity: 0.25;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes phone-enter {
  from {
    opacity: 0.35;
    transform: translateY(26px) rotate(1deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(-4deg);
  }
}
@keyframes note-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}
.motion-enabled .hero-copy > *,
.motion-enabled .page-hero h1,
.motion-enabled .page-hero h1 + p {
  animation: content-enter 700ms cubic-bezier(0.2, 0.65, 0.3, 1) both;
}
.motion-enabled .hero-copy h1 {
  animation-delay: 80ms;
}
.motion-enabled .hero-copy > p:not(.eyebrow) {
  animation-delay: 160ms;
}
.motion-enabled .hero-copy .actions {
  animation-delay: 240ms;
}
.motion-enabled .hero-copy .hero-notes {
  animation-delay: 310ms;
}
.motion-enabled .page-hero h1 + p {
  animation-delay: 100ms;
}
.motion-enabled .phone {
  animation: phone-enter 1000ms cubic-bezier(0.2, 0.65, 0.3, 1) both;
}
.motion-enabled .float-note {
  animation: note-float 4600ms ease-in-out 300ms;
}
.motion-enabled .float-note.two {
  animation-delay: 100ms;
}
.motion-enabled .is-revealing {
  animation: content-enter 650ms cubic-bezier(0.2, 0.65, 0.3, 1) var(--reveal-delay, 0ms) backwards;
}
.feature-card,
.content-block {
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}
.btn .arrow,
.text-link .arrow {
  transition: transform 200ms ease;
}
@media (hover: hover) and (pointer: fine) {
  .feature-card:hover,
  .content-block:hover {
    transform: translateY(-5px);
    border-color: #b9cef5;
    box-shadow: 0 12px 30px #2547750d;
  }
  .btn:hover .arrow,
  .text-link:hover .arrow {
    transform: translate(2px, -2px);
  }
}
.motion-enabled .navigation[data-open="true"] {
  animation: content-enter 220ms ease-out both;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  .feature-card:hover,
  .content-block:hover,
  .btn:hover,
  .btn:hover .arrow,
  .text-link:hover .arrow {
    transform: none;
  }
}

.contact-qr {
  margin: 24px 0;
  text-align: center;
}
.contact-qr img {
  display: block;
  width: 240px;
  max-width: 100%;
  height: auto;
  margin: 0 auto 16px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.contact-qr figcaption {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.contact-qr .text-link {
  min-height: 44px;
}

.contact-mobile-link {
  display: none;
}
@media (hover: none) and (pointer: coarse) {
  .contact-mobile-link {
    display: block;
  }
}
.product-use-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.team-use,
.fan-use {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px;
  background: white;
  display: flex;
  flex-direction: column;
}
.use-heading p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 24px;
}
.use-label {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  background: #edf3ff;
  border-radius: 6px;
}
.fan-use .use-label {
  color: #22715c;
  background: #eaf7f2;
}
.setup-map {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  flex: 1;
}
.setup-map li {
  position: relative;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding-bottom: 30px;
}
.setup-map li:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 43px;
  left: 20px;
  bottom: 4px;
  border-left: 1px dashed #bccde5;
}
.setup-map li > span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--blue);
  background: #edf3ff;
  border: 1px solid #d9e5fc;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
}
.setup-map h4 {
  font-size: 17px;
  margin: 5px 0 8px;
}
.setup-map p {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
}
.use-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.use-footer > span,
.use-caption {
  color: var(--muted);
  font-size: 13px;
}
.use-footer .text-link,
.fan-instructions .text-link {
  font-size: 14px;
  min-height: 44px;
}
.fan-demo {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(120px, 170px) minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  padding: 20px;
  border-radius: 16px;
  background: #f4f8f6;
}
.fan-screen {
  display: block;
  border: 5px solid white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 28px #15243e12;
}
.fan-screen img {
  display: block;
  width: 100%;
  height: auto;
}
.fan-instructions ol {
  margin: 16px 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 15px;
}
.fan-instructions li {
  margin-bottom: 14px;
}
.use-caption {
  margin: 16px 0 0;
}
.playbook-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  color: var(--blue);
  background: #edf3ff;
  border-radius: 12px;
}
.playbook-group:nth-child(2) .playbook-icon {
  color: #28795e;
  background: #ecf8f2;
}
.playbook-group:nth-child(3) .playbook-icon {
  color: #835c22;
  background: #fcf4e6;
}
@media (max-width: 1000px) {
  .product-use-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .team-use,
  .fan-use {
    padding: 24px;
  }
  .feature-card p,
  .private-steps p,
  .playbook-item p,
  .playbook-intro p:last-child,
  .price-copy p,
  .price-detail p,
  .check-list li,
  .page-hero p,
  .content-block p,
  .fan-instructions ol {
    font-size: 16px;
  }
  .fan-demo {
    gap: 20px;
    padding: 16px;
  }
}
@media (max-width: 480px) {
  .fan-demo {
    grid-template-columns: 1fr;
  }
  .fan-screen {
    width: 160px;
    max-width: 100%;
    justify-self: center;
  }
  .setup-map li {
    gap: 12px;
  }
}
/* Contact stays accessible throughout the page; wide screens reserve its own rail. */
.contact-dock-region {
  position: fixed;
  z-index: 35;
  right: 16px;
  bottom: calc(92px + env(safe-area-inset-bottom));
}
.contact-dock {
  width: 148px;
  color: var(--ink);
}
.contact-dock > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 12px;
  background: var(--blue);
  color: white;
  border-radius: 12px;
  box-shadow: 0 6px 24px #1c5ceb26;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}
.contact-dock > summary::-webkit-details-marker {
  display: none;
}
.contact-dock .dock-hide,
.contact-dock[open] .dock-show {
  display: none;
}
.contact-dock[open] .dock-hide {
  display: inline;
}
.dock-chevron {
  margin-left: auto;
}
.contact-dock[open] .dock-chevron {
  transform: rotate(180deg);
}
.dock-panel {
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 240px;
  max-width: calc(100vw - 32px);
  max-height: calc(100dvh - 180px);
  overflow-y: auto;
  padding: 24px 20px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: white;
  box-shadow: 0 12px 40px #15243e21;
  text-align: center;
}
.dock-brand {
  color: var(--blue);
  font-weight: 600;
  font-size: 13px;
}
.dock-panel h2 {
  font-size: 21px;
  line-height: 1.5;
  margin: 12px 0;
  letter-spacing: 0;
}
.dock-panel p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 16px;
}
.dock-panel img {
  display: block;
  width: 100%;
  height: auto;
  background: white;
  margin-bottom: 16px;
}
.dock-panel .dock-help {
  font-size: 12px;
  margin-bottom: 12px;
}
.dock-save {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  color: var(--blue);
  background: #edf3ff;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}
.dock-panel > .text-link {
  min-height: 44px;
  margin-top: 8px;
  font-size: 13px;
  justify-content: center;
}
@media (min-width: 1280px) and (min-height: 650px) {
  .has-contact-dock {
    padding-right: 224px;
  }
  .contact-dock-region {
    right: 12px;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
  }
  .contact-dock {
    width: 200px;
  }
  .dock-panel {
    position: static;
    width: 100%;
    margin-top: 10px;
    padding: 20px 16px 12px;
    max-height: calc(100dvh - 140px);
  }
  .has-contact-dock .navigation {
    gap: 18px;
  }
  .has-contact-dock .header-inner {
    gap: 16px;
  }
}
.admin-showcase {
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: white;
}
.screen-tabs:not([hidden]) {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: #edf2fa;
}
.screen-tabs button {
  min-height: 46px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: #46556b;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
}
.screen-tabs button[aria-selected="true"] {
  background: white;
  color: var(--blue);
  border-color: #cfddf4;
  font-weight: 600;
}
.screen-tabs button:hover {
  background: white;
}
.screen-panel {
  margin: 0;
  padding: 24px;
}
.screen-panel[hidden] {
  display: none;
}
.screen-panel figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.screen-panel figcaption p {
  margin: 8px 0 0;
  font-size: 16px;
  color: var(--muted);
}
.screen-panel figcaption .text-link {
  min-height: 44px;
  flex-shrink: 0;
  font-size: 14px;
}
.admin-screen-link {
  display: block;
  aspect-ratio: 1409 / 948;
  background: #f3f6fb;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.admin-screen-link img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
}
.screen-disclaimer {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.fan-preview-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 40px;
  align-items: center;
  margin-top: 32px;
  padding: 28px 36px;
  border: 1px solid #dcece5;
  border-radius: 18px;
  background: #f0f8f4;
}
.fan-preview-strip p:not(.eyebrow) {
  color: var(--muted);
  max-width: 580px;
  font-size: 16px;
}
.fan-preview-strip img {
  display: block;
  width: 140px;
  height: auto;
  border: 4px solid white;
  border-radius: 14px;
}
.fan-preview-strip .text-link {
  min-height: 44px;
  font-size: 14px;
}
@media (max-width: 760px) {
  .screen-tabs:not([hidden]) {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 12px;
  }
  .screen-tabs button {
    padding: 10px 6px;
    font-size: 14px;
  }
  .screen-panel {
    padding: 16px;
  }
  .screen-panel figcaption {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .screen-disclaimer {
    padding: 0 16px 16px;
  }
  .fan-preview-strip {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 20px;
  }
  .fan-preview-strip > a {
    justify-self: center;
  }
}

.detail-image {
  margin: 32px 0;
  padding: 16px;
  border: 1px solid #dce4ef;
  border-radius: 16px;
  background: #fff;
}
.detail-image a { display: block; }
.detail-image img { display: block; width: 100%; height: auto; }
.detail-image figcaption { margin-top: 12px; color: #52627a; font-size: 14px; line-height: 1.8; }
@media (max-width: 760px) {
  .detail-image { padding: 8px; margin: 24px 0; }
}