:root {
  --ink: #10211d;
  --muted: #61726e;
  --paper: #f7f5ed;
  --paper-2: #efe9d8;
  --line: rgba(16, 33, 29, 0.14);
  --green: #0d7a5f;
  --green-dark: #064234;
  --blue: #024cff;
  --sun: #f0b53c;
  --coral: #e56b52;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(24, 52, 44, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  margin: 18px auto 0;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 8px;
  background: rgba(247, 245, 237, 0.76);
  box-shadow: 0 12px 38px rgba(20, 37, 33, 0.1);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header[data-elevated="true"] {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 42px rgba(20, 37, 33, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.desktop-nav {
  justify-self: center;
  display: flex;
  gap: 30px;
  color: rgba(16, 33, 29, 0.76);
  font-size: 14px;
  font-weight: 700;
}

.desktop-nav a,
.footer-links a {
  position: relative;
}

.desktop-nav a::after,
.footer-links a::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 2px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.desktop-nav a:hover::after,
.footer-links a:hover::after {
  transform: scaleX(1);
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid rgba(16, 33, 29, 0.16);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.header-action,
.button.primary {
  color: var(--white);
  background: var(--green-dark);
  box-shadow: 0 12px 26px rgba(6, 66, 52, 0.22);
}

.button.primary.blue {
  background: var(--blue);
  box-shadow: 0 12px 26px rgba(2, 76, 255, 0.24);
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.56);
}

.header-action:hover,
.button:hover {
  transform: translateY(-2px);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.mobile-nav {
  position: absolute;
  top: 88px;
  left: 50%;
  z-index: 19;
  display: grid;
  width: min(420px, calc(100% - 32px));
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  padding: 14px 16px;
  border-radius: 8px;
  font-weight: 800;
}

.mobile-nav a:hover {
  background: var(--paper);
}

.section-band {
  position: relative;
  padding: 110px max(24px, calc((100vw - 1120px) / 2));
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
  min-height: 94vh;
  padding-top: 72px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 80% 10%, rgba(240, 181, 60, 0.34), transparent 26%),
    linear-gradient(135deg, #fbf8ed 0%, #e7f0e3 52%, #d7eadf 100%);
}

.hero-bg img {
  position: absolute;
  right: -4vw;
  bottom: -80px;
  width: min(720px, 60vw);
  opacity: 0.14;
  filter: saturate(0.85) blur(1px);
}

.not-found {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.62fr);
  align-items: center;
  gap: 54px;
  min-height: calc(100vh - 128px);
  padding-top: 96px;
  overflow: hidden;
}

.not-found-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 82% 12%, rgba(240, 181, 60, 0.32), transparent 24%),
    linear-gradient(135deg, #fbf8ed 0%, #e7f0e3 54%, #d7eadf 100%);
}

.not-found-bg img {
  position: absolute;
  right: -3vw;
  bottom: -90px;
  width: min(620px, 58vw);
  opacity: 0.13;
  filter: saturate(0.85) blur(1px);
}

.not-found-copy h1 {
  max-width: 820px;
  white-space: normal;
}

.not-found-panel {
  padding: 34px;
  border: 1px solid rgba(16, 33, 29, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.not-found-panel span {
  display: block;
  color: var(--coral);
  font-size: clamp(76px, 10vw, 120px);
  line-height: 0.9;
  font-weight: 950;
}

.not-found-panel strong {
  display: block;
  margin-top: 18px;
  font-size: 26px;
  line-height: 1.15;
}

.not-found-panel p {
  margin: 12px 0 0;
  color: var(--muted);
}

.not-found-routes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.not-found-routes a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(16, 33, 29, 0.12);
  border-radius: 8px;
  background: var(--white);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(72px, 9vw, 132px);
  line-height: 0.88;
  font-weight: 950;
  white-space: nowrap;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.08;
  font-weight: 950;
  white-space: nowrap;
}

h3 {
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.15;
}

.hero-lead,
.section-heading p,
.download-copy p,
.about-inner p {
  max-width: 660px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.phone {
  position: absolute;
  width: 290px;
  padding: 12px;
  border: 1px solid rgba(16, 33, 29, 0.18);
  border-radius: 34px;
  background: #f8faf3;
  box-shadow: 0 34px 90px rgba(16, 33, 29, 0.22);
}

.phone-top {
  width: 82px;
  height: 22px;
  margin: 0 auto 10px;
  border-radius: 0 0 14px 14px;
  background: #17231f;
}

.phone-screen {
  min-height: 492px;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #edf6ef 100%);
  overflow: hidden;
}

.phone-angler {
  top: 34px;
  left: 40px;
  transform: rotate(-6deg);
}

.phone-manager {
  right: 20px;
  bottom: 10px;
  transform: rotate(7deg);
}

.app-header,
.signal-row,
.order-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.app-header span,
.signal-row span,
.order-strip span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.spot-card {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 12px;
  margin-top: 18px;
  padding: 12px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(23, 45, 38, 0.1);
}

.spot-card img {
  width: 78px;
  height: 88px;
  border-radius: 8px;
  object-fit: cover;
}

.spot-card strong,
.spot-card span {
  display: block;
}

.spot-card span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.mini-chart {
  display: flex;
  align-items: end;
  gap: 9px;
  height: 160px;
  margin-top: 22px;
  padding: 18px;
  border-radius: 8px;
  background: #10211d;
}

.mini-chart i {
  flex: 1;
  border-radius: 12px 12px 3px 3px;
  background: linear-gradient(180deg, var(--sun), #39bc8d);
}

.signal-row {
  margin-top: 18px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(13, 122, 95, 0.1);
}

.signal-row strong {
  color: var(--green);
  font-size: 32px;
}

.tag-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.tag-row span {
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--paper-2);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}

.metric-grid div,
.order-strip {
  padding: 14px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(23, 45, 38, 0.08);
}

.metric-grid span,
.metric-grid strong {
  display: block;
}

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

.metric-grid strong {
  margin-top: 4px;
  font-size: 20px;
}

.seat-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 22px 0;
  padding: 16px;
  border-radius: 8px;
  background: #10211d;
}

.seat-board span {
  aspect-ratio: 1;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.22);
}

.seat-board span.active {
  background: #39bc8d;
}

.seat-board span.busy {
  background: var(--sun);
}

.products {
  background: #10211d;
  color: var(--white);
}

.products .section-heading p,
.products .product-panel p,
.products .product-panel li {
  color: rgba(255, 255, 255, 0.72);
}

.insights {
  background: #fffaf0;
}

.insight-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.insight-card,
.audience-item,
.workflow-step {
  padding: 28px;
  border: 1px solid rgba(16, 33, 29, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 16px 46px rgba(25, 52, 45, 0.08);
}

.insight-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.insight-card strong {
  display: block;
  margin: 18px 0 12px;
  color: var(--green-dark);
  font-size: 48px;
  line-height: 1;
}

.insight-card p,
.workflow-step p,
.audience-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading {
  max-width: 1040px;
  margin-bottom: 44px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.product-panel {
  min-height: 430px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    radial-gradient(circle at 90% 12%, rgba(240, 181, 60, 0.24), transparent 24%);
}

.product-panel.manager {
  background:
    linear-gradient(145deg, rgba(2, 76, 255, 0.28), rgba(255, 255, 255, 0.04)),
    radial-gradient(circle at 86% 16%, rgba(57, 188, 141, 0.26), transparent 26%);
}

.product-kicker {
  width: max-content;
  margin-bottom: 24px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #ffe6a8;
  font-size: 13px;
  font-weight: 900;
}

.product-panel ul {
  display: grid;
  gap: 10px;
  margin: 26px 0;
  padding: 0;
  list-style: none;
}

.product-panel li {
  padding-left: 18px;
  background: linear-gradient(var(--sun), var(--sun)) left 0.68em / 7px 7px no-repeat;
}

.product-panel a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: #ffe6a8;
  font-weight: 900;
}

.features {
  background: var(--paper);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-item {
  min-height: 260px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.28);
}

.feature-item span {
  color: var(--coral);
  font-weight: 950;
}

.feature-item h3 {
  margin-top: 28px;
}

.feature-item p {
  color: var(--muted);
}

.workflow {
  background:
    linear-gradient(135deg, rgba(13, 122, 95, 0.12), transparent 42%),
    #f7f5ed;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.workflow-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border-radius: 8px;
  background: var(--green-dark);
  color: var(--white);
  font-weight: 950;
}

.download {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 34px;
  align-items: center;
  background:
    linear-gradient(135deg, #e7f0e3, #fbf8ed 48%, #f5ead0);
}

.download-grid {
  display: grid;
  gap: 18px;
}

.download-card {
  display: grid;
  grid-template-columns: 78px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(16, 33, 29, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 20px 60px rgba(27, 54, 47, 0.12);
}

.download-card img {
  width: 78px;
  height: 78px;
  border-radius: 8px;
  object-fit: cover;
}

.download-card h3 {
  margin-bottom: 4px;
  font-size: 22px;
}

.download-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.about {
  padding-top: 90px;
  padding-bottom: 90px;
  background: var(--green-dark);
  color: var(--white);
}

.audience {
  background: #ffffff;
}

.audience-item h3 {
  color: var(--green-dark);
}

.about-inner {
  max-width: 1040px;
}

.about-inner p {
  color: rgba(255, 255, 255, 0.76);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 30px;
  color: #ffe6a8;
  font-weight: 900;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px max(24px, calc((100vw - 1120px) / 2));
  background: #071d17;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .desktop-nav,
  .header-action {
    display: none;
  }

  .menu-button {
    display: block;
    justify-self: end;
  }

  .hero,
  .not-found,
  .download {
    grid-template-columns: 1fr;
  }

  .insight-grid,
  .workflow-list,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 560px;
  }

  .phone-angler {
    left: 4%;
  }

  .phone-manager {
    right: 4%;
  }

  .product-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  h2 {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  .section-band {
    padding: 82px 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 82px;
  }

  .not-found {
    min-height: auto;
    padding-top: 82px;
  }

  h1 {
    font-size: clamp(48px, 15vw, 68px);
  }

  h2 {
    font-size: 34px;
  }

  .hero-lead,
  .section-heading p,
  .download-copy p,
  .about-inner p {
    font-size: 16px;
  }

  .hero-visual {
    min-height: 760px;
  }

  .phone {
    position: relative;
    width: min(100%, 290px);
    margin: 0 auto;
  }

  .phone-angler,
  .phone-manager {
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    transform: none;
  }

  .phone-manager {
    margin-top: 24px;
  }

  .product-panel,
  .feature-item {
    padding: 24px;
  }

  .download-card {
    grid-template-columns: 62px 1fr;
  }

  .download-card .button {
    grid-column: 1 / -1;
  }

  .download-card img {
    width: 62px;
    height: 62px;
  }

  .site-footer {
    flex-direction: column;
  }
}