:root {
  --ink: #2f2a38;
  --muted: #736d78;
  --paper: #fffaf3;
  --cream: #fff2d8;
  --orange: #f06a3b;
  --amber: #f7b733;
  --teal: #2f8c7a;
  --plum: #51405b;
  --line: #eadfd2;
  --shadow: 0 18px 50px rgba(81, 64, 91, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 250, 243, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(234, 223, 210, 0.9);
}

.nav {
  width: min(1140px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
}

.brand span {
  font-size: 19px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 9px 13px;
  color: var(--muted);
  font-size: 14px;
  border-radius: 10px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--cream);
  color: var(--plum);
}

.nav-download {
  padding: 10px 18px !important;
  background: var(--orange) !important;
  color: #fff !important;
  box-shadow: 0 8px 18px rgba(240, 106, 59, 0.22);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--plum);
  font-size: 24px;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #fff4d9 0%, #fffaf3 55%, #e8f4ee 100%);
}

.hero::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  right: -140px;
  top: -100px;
  border: 42px solid rgba(247, 183, 51, 0.15);
}

.hero-inner {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0 78px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 58px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--teal);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--plum);
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  margin-top: 17px;
  max-width: 520px;
  font-size: clamp(34px, 5vw, 60px);
}

.hero-copy {
  margin: 22px 0 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 21px;
  border: 0;
  border-radius: 12px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(240, 106, 59, 0.22);
}

.button:hover {
  transform: translateY(-1px);
}

.button.alt {
  background: #fff;
  color: var(--plum);
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero-note {
  margin-top: 16px;
  color: #8a818b;
  font-size: 12px;
}

.hero-art {
  position: relative;
  min-height: 420px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone {
  width: min(280px, 76vw);
  padding: 11px;
  border-radius: 31px;
  background: #292431;
  box-shadow: var(--shadow);
  transform: rotate(4deg);
}

.phone img {
  width: 100%;
  aspect-ratio: 0.58;
  object-fit: cover;
  border-radius: 22px;
}

.float-card {
  position: absolute;
  min-width: 150px;
  padding: 13px 15px;
  border: 1px solid rgba(234, 223, 210, 0.9);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 28px rgba(81, 64, 91, 0.12);
  font-size: 13px;
}

.float-card strong {
  display: block;
  color: var(--orange);
  font-size: 22px;
  line-height: 1.2;
}

.float-card.one {
  left: 2%;
  top: 17%;
}

.float-card.two {
  right: 0;
  bottom: 17%;
}

.section {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0;
}

.section.compact {
  padding-top: 54px;
  padding-bottom: 54px;
}

.section-heading {
  max-width: 690px;
  margin-bottom: 30px;
}

.section-heading h2 {
  font-size: clamp(27px, 3.5vw, 42px);
}

.section-heading .kicker {
  margin-bottom: 10px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature {
  min-height: 200px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fff;
}

.feature:nth-child(2) {
  background: #fff5df;
}

.feature:nth-child(3) {
  background: #ebf6f0;
}

.feature .icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 17px;
  border-radius: 12px;
  background: var(--plum);
  color: #fff;
  font-size: 20px;
}

.feature:nth-child(2) .icon {
  background: var(--amber);
  color: var(--plum);
}

.feature:nth-child(3) .icon {
  background: var(--teal);
}

.feature h3 {
  font-size: 19px;
}

.feature p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.band {
  background: #f3eee8;
}

.showcase {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 48px;
  align-items: center;
}

.showcase-copy p {
  color: var(--muted);
}

.bullet-list {
  display: grid;
  gap: 13px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.bullet-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  color: var(--ink);
  font-size: 14px;
}

.bullet-list li::before {
  content: "✓";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #d9eee5;
  color: var(--teal);
  font-weight: 800;
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: end;
}

.shot-grid figure {
  margin: 0;
  padding: 7px;
  border-radius: 16px;
  background: #2f2936;
  box-shadow: 0 12px 22px rgba(47, 42, 56, 0.2);
}

.shot-grid figure:nth-child(2) {
  transform: translateY(-24px);
}

.shot-grid img {
  width: 100%;
  max-width: 400px;
  border-radius: 11px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stat {
  padding: 19px;
  border-top: 3px solid var(--amber);
  background: #fff;
}

.stat strong {
  display: block;
  color: var(--plum);
  font-size: 30px;
  line-height: 1.2;
}

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

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.link-card {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
}

.link-card h3 {
  font-size: 19px;
}

.link-card span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.quote {
  padding: 22px;
  background: #fff;
  border-left: 4px solid var(--amber);
}

.quote p {
  margin: 0;
  color: var(--plum);
  font-size: 15px;
}

.quote cite {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.page-hero {
  background: linear-gradient(120deg, #fff1d2, #fffaf3 63%, #e5f2ed);
}

.page-hero-inner {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 62px;
}

.page-hero h1 {
  max-width: 760px;
  font-size: clamp(31px, 5vw, 53px);
}

.page-hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 0.34fr;
  gap: 36px;
  align-items: start;
}

.article {
  min-width: 0;
}

.article h2 {
  margin: 38px 0 14px;
  font-size: 29px;
}

.article h2:first-child {
  margin-top: 0;
}

.article h3 {
  margin: 24px 0 7px;
  font-size: 19px;
}

.article p {
  margin: 0 0 14px;
  color: #554e59;
}

.article ul,
.article ol {
  margin: 0 0 18px;
  padding-left: 22px;
  color: #554e59;
}

.article li {
  margin: 7px 0;
}

.step-list {
  display: grid;
  gap: 13px;
  padding: 0;
  list-style: none;
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 15px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
}

.step-num {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.step h3 {
  font-size: 18px;
}

.step p {
  margin: 6px 0 0;
  font-size: 14px;
}

.side-card {
  position: sticky;
  top: 99px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
}

.side-card h2 {
  font-size: 20px;
}

.side-card a {
  display: block;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.side-card a:last-child {
  border-bottom: 0;
}

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.faq-item summary {
  padding: 17px 19px;
  color: var(--plum);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--orange);
  font-size: 20px;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 19px 17px;
  color: var(--muted);
  font-size: 14px;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px;
  border-radius: 18px;
  background: var(--plum);
  color: #fff;
}

.cta h2 {
  color: #fff;
  font-size: 25px;
}

.cta p {
  margin: 7px 0 0;
  color: #e9dfea;
  font-size: 14px;
}

.cta .button {
  flex: 0 0 auto;
  background: var(--amber);
  color: var(--plum);
  box-shadow: none;
}

.footer {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 28px;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.footer-links {
  display: flex;
  gap: 17px;
  color: var(--muted);
  font-size: 13px;
}

.disclaimer {
  margin: 23px 0 0;
  padding: 14px 16px;
  background: #fff7e8;
  color: #786d64;
  font-size: 12px;
}

.copyright {
  margin: 20px 0 0;
  color: #968d93;
  font-size: 12px;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    padding: 10px;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fffaf3;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    text-align: center;
  }

  .hero-inner,
  .showcase,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    gap: 25px;
    padding-top: 59px;
  }

  .hero-art {
    min-height: 380px;
  }

  .content-grid {
    gap: 24px;
  }

  .side-card {
    position: static;
  }
}

@media (max-width: 620px) {
  .nav,
  .hero-inner,
  .section,
  .page-hero-inner,
  .footer-inner {
    width: min(100% - 28px, 1140px);
  }

  .brand span {
    font-size: 17px;
  }

  .hero-copy {
    font-size: 15px;
  }

  .hero-art {
    min-height: 320px;
  }

  .float-card {
    min-width: 120px;
    padding: 10px 12px;
    font-size: 11px;
  }

  .float-card strong {
    font-size: 18px;
  }

  .feature-grid,
  .link-grid,
  .quote-grid,
  .stat-row {
    grid-template-columns: 1fr;
  }

  .shot-grid {
    gap: 8px;
  }

  .shot-grid figure:nth-child(2) {
    transform: translateY(-14px);
  }

  .cta,
  .footer-main {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}
