:root {
  --bg: #f5f7f4;
  --surface: #ffffff;
  --surface-2: #eef4f6;
  --ink: #17211b;
  --muted: #61706a;
  --line: #dbe4df;
  --green: #1f7a55;
  --green-2: #0f5f4b;
  --blue: #2f6690;
  --blue-soft: #e7eff7;
  --amber: #b87920;
  --amber-soft: #fff0db;
  --red: #b84a3a;
  --shadow: 0 18px 52px rgba(28, 45, 35, .11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(16px, calc((100% - 1180px) / 2));
  border-bottom: 1px solid rgba(22, 33, 27, .10);
  background: rgba(255, 255, 255, .91);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 230px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 22px rgba(15, 95, 75, .18);
}

.brand strong {
  display: block;
  font-size: 18px;
  line-height: 1.12;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.main-nav a {
  padding: 9px 11px;
  border-radius: 8px;
  color: #33423a;
  font-size: 14px;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background: #e7f1eb;
  color: var(--green-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(28, 45, 35, .12);
}

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-dark {
  background: #17211b;
  color: #fff;
}

.btn-soft {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.btn-soft.on-dark {
  border-color: rgba(255, 255, 255, .32);
  background: rgba(255, 255, 255, .12);
  color: #fff;
}

.btn-wide {
  width: 100%;
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 470px;
  gap: 34px;
  align-items: center;
  min-height: 680px;
  margin: 0 calc(50% - 50vw);
  padding: 56px max(16px, calc((100vw - 1180px) / 2)) 76px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(16, 28, 21, .90), rgba(16, 28, 21, .64) 54%, rgba(16, 28, 21, .28)),
    url("assets/kanzhong-dashboard.png") center / cover no-repeat;
}

.hero-copy {
  width: min(700px, 100%);
}

.hero,
.service-hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr);
  gap: 34px;
  align-items: center;
  padding: 58px 0 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  color: var(--green-2);
  font-weight: 900;
  font-size: 13px;
}

.home-hero .eyebrow {
  color: #c8f0df;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: 58px;
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: 36px;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 690px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 17px;
}

.home-hero .lead {
  color: rgba(255, 255, 255, .84);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.demo-panel,
.order-panel,
.payment-panel,
.pay-card,
.feature,
.price-card,
.service-row,
.table-wrap,
.analysis-card,
.workspace-panel,
.member-status {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 42px rgba(28, 45, 35, .07);
}

.demo-panel {
  padding: 20px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.panel-head h2 {
  margin-bottom: 0;
  font-size: 24px;
}

.panel-kicker {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.status-pill {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  background: #e7f1eb;
  color: var(--green-2);
  font-size: 12px;
  font-weight: 900;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.lead-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.lead-form label:nth-of-type(4),
.lead-form button {
  grid-column: 1 / -1;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 40px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
}

.lead-form textarea {
  resize: vertical;
}

.insight-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.insight-board div {
  min-height: 112px;
  padding: 12px;
  border-radius: 8px;
  background: #eef4f6;
}

.insight-board span,
.insight-board small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.insight-board strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 20px;
  line-height: 1.15;
}

.compact-plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.compact-plans a {
  min-height: 68px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.compact-plans span,
.compact-plans strong {
  display: block;
}

.compact-plans span {
  color: var(--muted);
  font-size: 12px;
}

.compact-plans strong {
  margin-top: 4px;
  color: var(--green-2);
  font-size: 15px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 44px;
}

.home-metrics {
  position: relative;
  z-index: 2;
  margin-top: -38px;
}

.metric {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(28, 45, 35, .06);
}

.metric strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 44px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-head p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid,
.pricing-grid,
.dashboard-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature,
.price-card,
.order-panel,
.payment-panel,
.analysis-card,
.workspace-panel,
.member-status {
  padding: 22px;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #e7f1eb;
  color: var(--green-2);
}

.feature-icon.blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.feature-icon.amber {
  background: var(--amber-soft);
  color: var(--amber);
}

.feature p,
.price-card p,
.service-row p,
.analysis-card p,
.order-note p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 18px;
  align-items: start;
}

.table-wrap {
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  background: #f0f5f1;
  color: #405149;
  font-size: 13px;
}

tr:last-child td {
  border-bottom: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #e7f1eb;
  color: var(--green-2);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.tag.blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.tag.amber {
  background: var(--amber-soft);
  color: var(--amber);
}

.service-list {
  display: grid;
  gap: 12px;
}

.service-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
}

.price {
  margin: 16px 0 18px;
  font-size: 32px;
  font-weight: 900;
}

.price small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.price-card ul,
.order-panel ul {
  display: grid;
  gap: 9px;
  padding-left: 18px;
  color: #405149;
}

.price-card.featured {
  border-color: rgba(31, 122, 85, .35);
  background: linear-gradient(180deg, #ffffff 0%, #edf7f1 100%);
}

.support-band {
  margin: 34px 0 14px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #edf3f5;
}

.support-grid article {
  min-height: 150px;
  padding: 18px;
  border: 1px solid #d3dfe2;
  border-radius: 8px;
  background: rgba(255, 255, 255, .78);
}

.support-grid p {
  color: var(--muted);
}

.checkout-layout,
.payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 18px;
  align-items: start;
  padding: 42px 0 56px;
}

.checkout-layout h1 {
  font-size: 42px;
}

.summary-line,
.total-line,
.info-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.summary-line span,
.info-line span {
  color: var(--muted);
}

.total-line {
  border-bottom: 0;
  font-size: 18px;
  font-weight: 900;
}

.total-line strong {
  color: var(--red);
  font-size: 28px;
}

.plan-switcher {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0;
}

.mini-plan {
  display: grid;
  gap: 4px;
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.mini-plan span {
  color: var(--muted);
  font-size: 13px;
}

.mini-plan strong {
  color: var(--green-2);
  font-size: 16px;
}

.mini-plan.active {
  border-color: rgba(31, 122, 85, .62);
  box-shadow: inset 0 0 0 1px rgba(31, 122, 85, .28);
}

.order-note {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(47, 102, 144, .24);
  border-radius: 8px;
  background: var(--blue-soft);
}

.method-list {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.method {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.method.active {
  border-color: rgba(31, 122, 85, .55);
  box-shadow: inset 0 0 0 1px rgba(31, 122, 85, .35);
}

.method-dot {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 8px;
  background: #e7f1eb;
  color: var(--green-2);
  font-weight: 900;
}

.pay-card {
  overflow: hidden;
  box-shadow: var(--shadow);
}

.pay-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  background: #17211b;
  color: #fff;
}

.pay-top span {
  display: block;
  color: rgba(255, 255, 255, .68);
  font-size: 13px;
}

.pay-top strong {
  display: block;
  margin-top: 5px;
  font-size: 28px;
}

.h5-pay-area {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 26px;
}

.phone-preview {
  display: grid;
  gap: 12px;
  width: 240px;
  min-height: 430px;
  padding: 18px;
  border: 8px solid #17211b;
  border-radius: 32px;
  background: #f7faf8;
  box-shadow: 0 18px 44px rgba(23, 33, 27, .20);
}

.phone-preview .phone-bar {
  width: 74px;
  height: 6px;
  margin: 0 auto 8px;
  border-radius: 999px;
  background: #d9e1dc;
}

.phone-preview img {
  width: 58px;
  height: 58px;
  border-radius: 8px;
}

.phone-preview h1 {
  margin: 4px 0 0;
  font-size: 22px;
  line-height: 1.2;
}

.phone-preview strong {
  color: var(--red);
  font-size: 34px;
  line-height: 1;
}

.phone-preview p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
}

.pay-help {
  display: grid;
  gap: 12px;
}

.pay-help h2 {
  font-size: 32px;
}

.notice {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid rgba(184, 121, 32, .28);
  border-radius: 8px;
  background: #fff7e8;
  color: #6f4a16;
  font-size: 13px;
}

.qr-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.qr-mini img {
  width: 72px;
  height: 72px;
}

.qr-mini span {
  color: var(--muted);
  font-size: 13px;
}

.service-dashboard {
  padding-bottom: 20px;
}

.bar-list {
  display: grid;
  gap: 12px;
}

.bar-list div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) 44px;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.bar-list i {
  position: relative;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe7e3;
}

.bar-list i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--bar);
  border-radius: inherit;
  background: var(--blue);
}

.bar-list strong {
  color: var(--ink);
  text-align: right;
}

.status-list {
  display: grid;
  gap: 10px;
}

.status-list span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--muted);
  font-size: 13px;
}

.status-list b {
  margin-right: 8px;
  color: var(--green-2);
}

.member-page {
  padding: 42px 0 56px;
}

.member-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 22px;
}

.member-hero h1 {
  font-size: 44px;
}

.member-status {
  display: grid;
  align-content: center;
  gap: 8px;
}

.member-status span,
.member-status small {
  color: var(--muted);
}

.member-status strong {
  color: var(--green-2);
  font-size: 24px;
}

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

.workspace-panel {
  margin-bottom: 16px;
}

.panel-title {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-title h2 {
  margin-bottom: 0;
  font-size: 26px;
}

.workspace-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.workspace-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.workspace-form input,
.workspace-form select,
.workspace-form textarea {
  width: 100%;
  min-height: 42px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
}

.workspace-form textarea {
  resize: vertical;
}

.workspace-form .wide-field,
.workspace-form button {
  grid-column: 1 / -1;
}

.flat-table {
  box-shadow: none;
}

.price-compare-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.price-compare-grid article {
  min-height: 122px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.price-compare-grid span,
.price-compare-grid small {
  display: block;
  color: var(--muted);
}

.price-compare-grid strong {
  display: block;
  margin: 8px 0;
  color: var(--red);
  font-size: 26px;
}

.insight-bars {
  margin-bottom: 16px;
}

.comment-list {
  display: grid;
  gap: 10px;
}

.comment-list p {
  margin-bottom: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--muted);
}

.comment-list strong {
  color: var(--ink);
}

.task-board {
  display: grid;
  gap: 12px;
}

.task-board div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.task-board h3 {
  margin-top: 10px;
}

.task-board p {
  margin-bottom: 0;
  color: var(--muted);
}

.order-status-list span {
  min-height: 54px;
}

.stacked-action {
  margin-top: 10px;
}

.footer {
  margin-top: 28px;
  padding: 28px max(16px, calc((100% - 1180px) / 2));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 1080px) {
  .home-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .demo-panel {
    max-width: 720px;
  }
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .hero,
  .service-hero,
  .member-hero,
  .split,
  .checkout-layout,
  .payment-layout,
  .h5-pay-area {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .metric-grid,
  .feature-grid,
  .pricing-grid,
  .dashboard-grid,
  .support-grid,
  .workspace-grid,
  .price-compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand {
    min-width: 0;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .home-hero {
    padding-top: 38px;
    padding-bottom: 54px;
  }

  h1 {
    font-size: 28px;
    line-height: 1.12;
  }

  h2 {
    font-size: 24px;
  }

  .lead-form,
  .workspace-form,
  .insight-board,
  .compact-plans,
  .metric-grid,
  .feature-grid,
  .pricing-grid,
  .dashboard-grid,
  .support-grid,
  .workspace-grid,
  .price-compare-grid,
  .plan-switcher {
    grid-template-columns: 1fr;
  }

  .member-hero h1 {
    font-size: 30px;
  }

  .panel-title {
    flex-direction: column;
  }

  .support-band {
    padding: 22px;
  }

  .phone-preview {
    width: 100%;
    max-width: 260px;
  }
}