:root {
  color-scheme: light;
  --ink: #1d252f;
  --muted: #5a6675;
  --line: #dfe5ec;
  --surface: #ffffff;
  --soft: #f4f7fa;
  --band: #eef4f2;
  --primary: #126c59;
  --primary-dark: #0d4e41;
  --accent: #b4671b;
  --shadow: 0 14px 36px rgba(17, 36, 50, 0.08);
  --piao-text: #202124;
  --piao-muted: #6b7280;
  --piao-line: #ececec;
  --piao-main: #f0442e;
  --piao-main-dark: #d9281e;
  --piao-warm: #fff3ec;
  --piao-gold: #ffb12b;
  --piao-shadow: 0 14px 34px rgba(76, 29, 18, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: #fafafa;
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand em {
  display: block;
}

.brand em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

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

.nav a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 15px;
}

.nav a[aria-current="page"],
.nav a:hover {
  background: var(--soft);
  color: var(--primary-dark);
}

.hero {
  background: linear-gradient(180deg, #f9fbfa 0%, #eef4f2 100%);
  border-bottom: 1px solid var(--line);
}

.compact-hero {
  min-height: 420px;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: 42px;
  padding: 42px 0;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 10px;
}

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

h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  margin-bottom: 18px;
}

h2 {
  font-size: 26px;
  margin-bottom: 18px;
}

h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.lead.small {
  font-size: 16px;
}

.hero-art {
  width: 100%;
  max-height: 330px;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(18, 108, 89, 0.16));
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

.button.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.button.small {
  min-height: 36px;
  padding: 0 14px;
  font-size: 14px;
}

.button.full {
  width: 100%;
}

.section,
.page {
  padding: 48px 0;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-grid,
.product-grid,
.split-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.split-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.product-card,
.panel,
.order-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.card,
.product-card,
.panel,
.order-box {
  padding: 22px;
}

.card p,
.product-card p,
.notice {
  color: var(--muted);
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.product-card .button {
  margin-top: auto;
}

.product-type {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.price {
  color: var(--primary-dark);
  font-size: 22px;
  font-weight: 800;
  margin: 16px 0;
}

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

.price.large {
  font-size: 30px;
}

.band {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process {
  padding: 42px 0;
}

.process ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.feature-list {
  padding-left: 20px;
}

.form {
  display: grid;
  gap: 14px;
}

.form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

.form-note {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.inline-form {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  margin-bottom: 20px;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  background: #fff3dc;
  color: #89500d;
  font-weight: 800;
}

.order-grid {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 10px 18px;
  margin: 0;
}

.order-grid dt {
  color: var(--muted);
}

.order-grid dd {
  margin: 0;
}

.payment {
  margin-top: 24px;
}

.legal h2 {
  margin-top: 26px;
}

.footer {
  background: #172028;
  color: #d8e0e8;
  padding: 30px 0;
}

.footer a {
  color: #d8e0e8;
}

.footer p {
  margin-bottom: 6px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1fr auto;
  gap: 18px;
}

.footer-links {
  display: grid;
  gap: 8px;
  align-content: start;
}

@media (max-width: 860px) {
  .header-inner,
  .hero-grid,
  .product-detail,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    align-items: flex-start;
    padding: 14px 0;
  }

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

  .hero-grid {
    display: grid;
  }

  .card-grid,
  .product-grid,
  .split-list,
  .process ol {
    grid-template-columns: 1fr;
  }

  .inline-form {
    grid-template-columns: 1fr;
  }
}

.piao-store-body {
  background: #f5f5f5;
}

.piao-store {
  --piao-text: #202124;
  --piao-muted: #6b7280;
  --piao-line: #ececec;
  --piao-main: #f0442e;
  --piao-main-dark: #d9281e;
  --piao-warm: #fff3ec;
  --piao-gold: #ffb12b;
  --piao-shadow: 0 14px 34px rgba(76, 29, 18, 0.1);
  color: var(--piao-text);
  font-family: "Trebuchet MS", "Microsoft YaHei", "PingFang SC", sans-serif;
}

.piao-wrap {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.piao-topbar {
  background: #fff;
  border-bottom: 1px solid var(--piao-line);
}

.piao-topbar-inner {
  min-height: 68px;
  display: grid;
  grid-template-columns: 210px minmax(260px, 1fr) 296px;
  align-items: center;
  gap: 16px;
}

.piao-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--piao-text);
}

.piao-logo-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--piao-main);
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(240, 68, 46, 0.22);
}

.piao-logo strong,
.piao-logo em {
  display: block;
}

.piao-logo strong {
  color: var(--piao-main-dark);
  font-size: 23px;
  line-height: 1.05;
}

.piao-logo em {
  color: var(--piao-muted);
  font-size: 13px;
  font-style: normal;
}

.piao-search {
  height: 44px;
  display: flex;
  border: 2px solid var(--piao-main);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

.piao-search input {
  flex: 1;
  border: 0;
  padding: 0 14px;
  min-width: 0;
  color: var(--piao-text);
  font: inherit;
}

.piao-search input:focus {
  outline: none;
}

.piao-search button {
  width: 104px;
  border: 0;
  background: var(--piao-main);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

.piao-quick-links {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  font-size: 14px;
  white-space: nowrap;
}

.piao-quick-links a {
  color: var(--piao-text);
}

.piao-quick-links a:hover,
.piao-nav a:hover {
  color: var(--piao-main);
}

.piao-nav {
  background: var(--piao-main-dark);
  color: #fff;
}

.piao-nav .piao-wrap {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 22px;
  overflow-x: auto;
}

.piao-nav strong {
  min-width: 132px;
}

.piao-nav a {
  color: #fff;
  white-space: nowrap;
  font-size: 14px;
  opacity: 0.94;
}

.piao-hero-grid {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 230px;
  gap: 12px;
  padding: 16px 0 0;
}

.piao-categories,
.piao-service-card,
.piao-banner,
.piao-trust,
.piao-products-section,
.piao-flow {
  border: 1px solid var(--piao-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--piao-shadow);
}

.piao-categories {
  overflow: hidden;
}

.piao-categories h2 {
  margin: 0;
  padding: 12px 16px;
  background: #2b2b2f;
  color: #fff;
  font-size: 17px;
}

.piao-categories a {
  display: block;
  padding: 12px 16px;
  border-bottom: 1px solid var(--piao-line);
  color: var(--piao-text);
}

.piao-categories a:last-child {
  border-bottom: 0;
}

.piao-categories strong,
.piao-categories span {
  display: block;
}

.piao-categories strong {
  font-size: 15px;
}

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

.piao-categories a:hover {
  background: var(--piao-warm);
}

.piao-banner {
  min-height: 304px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 44%);
  align-items: center;
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.55), transparent 22%),
    linear-gradient(120deg, #fff6ef 0%, #ffd2bd 55%, #f0442e 100%);
}

.piao-banner-copy {
  position: relative;
  z-index: 2;
  padding: 28px;
}

.piao-banner-copy p {
  margin-bottom: 10px;
  color: var(--piao-main-dark);
  font-weight: 900;
}

.piao-banner-copy h1 {
  margin-bottom: 14px;
  color: #1f1f23;
  font-size: clamp(30px, 3.7vw, 42px);
  line-height: 1.08;
}

.piao-banner-copy span {
  display: block;
  max-width: 520px;
  color: #5a3528;
  font-size: 15px;
}

.piao-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.piao-banner-art {
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  object-fit: cover;
  object-position: center;
  align-self: stretch;
  justify-self: stretch;
  border-left: 1px solid rgba(255, 255, 255, 0.5);
}

.piao-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 5px;
  font-weight: 900;
  border: 1px solid transparent;
}

.piao-button-main {
  background: var(--piao-main);
  color: #fff;
}

.piao-button-dark {
  background: #202124;
  color: #fff;
}

.piao-button-light,
.piao-button-plain {
  background: #fff;
  color: var(--piao-text);
  border-color: var(--piao-line);
}

.piao-service-card {
  padding: 18px;
}

.piao-service-card h2 {
  margin-bottom: 10px;
  font-size: 20px;
}

.piao-service-card p,
.piao-service-card span {
  color: var(--piao-muted);
  font-size: 14px;
}

.piao-service-card strong {
  display: block;
  margin: 12px 0;
  color: var(--piao-main-dark);
  font-size: 24px;
  font-weight: 900;
}

.piao-service-card .piao-button {
  width: 100%;
  margin-top: 10px;
}

.piao-trust {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 14px;
  padding: 14px 8px;
  text-align: center;
}

.piao-trust div {
  min-height: 38px;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--piao-line);
  color: #303034;
  font-weight: 900;
}

.piao-trust div:last-child {
  border-right: 0;
}

.piao-products-section,
.piao-flow {
  margin-top: 26px;
  padding: 18px;
}

.piao-section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.piao-section-title span {
  color: var(--piao-main);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.piao-section-title h2 {
  margin: 2px 0 0;
  font-size: 24px;
}

.piao-section-title a {
  color: var(--piao-muted);
  font-size: 14px;
}

.piao-product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.piao-product-card {
  overflow: hidden;
  border: 1px solid var(--piao-line);
  border-radius: 8px;
  background: #fff;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.piao-product-card:hover {
  transform: translateY(-2px);
  border-color: #ffc1aa;
  box-shadow: 0 12px 28px rgba(240, 68, 46, 0.13);
}

.piao-product-image {
  display: block;
  aspect-ratio: 1 / 0.72;
  background: var(--piao-warm);
  border-bottom: 1px solid var(--piao-line);
}

.piao-product-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.piao-product-body {
  padding: 14px;
}

.piao-product-type,
.product-type {
  color: var(--piao-main);
  font-size: 12px;
  font-weight: 900;
}

.piao-product-card h3 {
  min-height: 44px;
  margin: 4px 0 8px;
  color: var(--piao-text);
  font-size: 16px;
  line-height: 1.35;
}

.piao-product-card p {
  min-height: 42px;
  margin-bottom: 10px;
  color: var(--piao-muted);
  font-size: 13px;
  line-height: 1.55;
}

.piao-product-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.piao-product-price strong {
  color: var(--piao-main-dark);
  font-size: 22px;
  line-height: 1;
}

.piao-product-price span,
.piao-product-min {
  color: var(--piao-muted);
  font-size: 12px;
}

.piao-product-min {
  margin-top: 4px;
}

.piao-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.piao-card-link,
.piao-card-quote {
  min-height: 34px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 900;
}

.piao-card-link {
  border: 1px solid var(--piao-line);
  color: var(--piao-text);
  background: #fff;
}

.piao-card-quote {
  color: #fff;
  background: var(--piao-main);
}

.piao-flow-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.piao-flow-steps div {
  min-height: 74px;
  display: grid;
  place-items: center;
  gap: 4px;
  border: 1px solid #ffd0be;
  border-radius: 7px;
  background: #fff7f3;
  color: var(--piao-text);
  text-align: center;
  font-weight: 900;
}

.piao-flow-steps b {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--piao-main);
  color: #fff;
  font-size: 13px;
}

.piao-products-page {
  padding: 24px 0 42px;
}

.piao-listing {
  padding: 18px;
  border: 1px solid var(--piao-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--piao-shadow);
}

.piao-listing .piao-section-title {
  align-items: center;
  margin-bottom: 10px;
}

.piao-listing .piao-section-title h1 {
  margin: 2px 0 0;
  font-size: 28px;
  line-height: 1.2;
}

.piao-listing-search {
  width: min(360px, 100%);
  height: 40px;
  display: flex;
  border: 2px solid var(--piao-main);
  border-radius: 5px;
  overflow: hidden;
  background: #fff;
}

.piao-listing-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  padding: 0 12px;
  color: var(--piao-text);
  font: inherit;
}

.piao-listing-search input:focus {
  outline: none;
}

.piao-listing-search button {
  width: 84px;
  border: 0;
  background: var(--piao-main);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

.piao-listing-lead,
.piao-listing-notice {
  margin-bottom: 14px;
  color: var(--piao-muted);
  font-size: 14px;
}

.piao-listing-notice {
  padding: 10px 12px;
  border: 1px solid #ffd0be;
  border-radius: 6px;
  background: #fff7f3;
  color: #8a3b22;
}

.piao-product-grid-listing {
  margin-top: 10px;
}

@media (max-width: 1180px) {
  .piao-product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .piao-topbar-inner,
  .piao-hero-grid {
    grid-template-columns: 1fr;
  }

  .piao-quick-links {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .piao-banner {
    grid-template-columns: 1fr;
  }

  .piao-banner-art {
    width: 100%;
    height: 260px;
    max-width: none;
    margin: 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
  }

  .piao-listing .piao-section-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .piao-trust,
  .piao-flow-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .piao-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .piao-wrap {
    width: min(100% - 20px, 1200px);
  }

  .piao-search {
    height: auto;
    min-height: 42px;
  }

  .piao-search button {
    width: 76px;
  }

  .piao-nav .piao-wrap {
    gap: 16px;
  }

  .piao-banner-copy {
    padding: 24px;
  }

  .piao-product-grid,
  .piao-trust,
  .piao-flow-steps {
    grid-template-columns: 1fr;
  }
}