:root {
  --bg: #f5f6f7;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --ink: #171c21;
  --muted: #5d6872;
  --line: #dbe0e5;
  --steel: #26313a;
  --accent: #f2763a;
  --accent-2: #2476a8;
  --ok: #2f7d5b;
  --radius: 8px;
  --shadow: 0 18px 45px rgba(24, 31, 38, .12);
  --container: min(1160px, calc(100vw - 40px));
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(219, 224, 229, .9);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: var(--container);
  margin: 0 auto;
  min-height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand-link {
  display: inline-grid;
  grid-template-columns: 42px auto;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--steel), #101820);
  color: white;
  font-weight: 800;
}

.brand-logo-wrap {
  width: 118px;
  height: 44px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
}

.brand-logo {
  width: 118px;
  height: 44px;
  object-fit: contain;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.1;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 6px;
  color: #37414a;
  font-size: 14px;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--surface-2);
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn,
.menu-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: white;
  color: var(--steel);
  cursor: pointer;
}

.menu-toggle {
  display: none;
}

.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero {
  position: relative;
  min-height: 620px;
  color: white;
  background:
    linear-gradient(90deg, rgba(13, 18, 24, .88) 0%, rgba(13, 18, 24, .62) 48%, rgba(13, 18, 24, .14) 100%),
    var(--hero-image) center/cover no-repeat;
  display: flex;
  align-items: center;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 110px;
  background: linear-gradient(0deg, var(--bg), transparent);
}

.hero-figure {
  position: absolute;
  z-index: 0;
  right: max(20px, calc((100vw - 1160px) / 2));
  bottom: 100px;
  width: min(48vw, 640px);
  opacity: .88;
  filter: drop-shadow(0 30px 46px rgba(8, 12, 16, .3));
}

.hero-figure img {
  border-radius: 8px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: var(--container);
  margin: 0 auto;
  padding: 96px 0 132px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: #e9eef2;
  font-size: 14px;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero .slogan {
  margin: 18px 0 0;
  max-width: 620px;
  color: #f6f8fa;
  font-size: clamp(19px, 2.3vw, 27px);
  font-weight: 600;
}

.hero-copy {
  max-width: 640px;
  margin: 20px 0 0;
  color: #dbe3ea;
  font-size: 16px;
}

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

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-secondary {
  border-color: rgba(255, 255, 255, .42);
  color: white;
  background: rgba(255, 255, 255, .08);
}

.btn-light {
  border-color: var(--line);
  color: var(--steel);
  background: white;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  max-width: 760px;
  gap: 10px;
  margin-top: 44px;
}

.stat-chip {
  min-height: 88px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
}

.stat-chip strong {
  display: block;
  font-size: 25px;
  line-height: 1.1;
}

.stat-chip span {
  display: block;
  margin-top: 6px;
  color: #dce4eb;
  font-size: 13px;
}

.section {
  padding: 76px 0;
}

.section.alt {
  background: white;
}

.section.tight {
  padding: 48px 0;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 30px;
}

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

.section-title {
  margin: 6px 0 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
}

.section-desc {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 700px;
}

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

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(20, 28, 35, .06);
}

.card-body {
  padding: 20px;
}

.media {
  aspect-ratio: 16 / 10;
  background: var(--surface-2);
  overflow: hidden;
}

.media img {
  height: 100%;
  object-fit: cover;
}

.business-card {
  padding: 22px;
  min-height: 196px;
  display: grid;
  align-content: space-between;
  border-top: 4px solid var(--accent);
}

.business-card h3,
.product-card h3,
.service-card h3,
.case-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.28;
}

.business-card p,
.product-card p,
.service-card p,
.case-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.mini-meta,
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: #3e4852;
  font-size: 12px;
  font-weight: 700;
}

.product-card .specs {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  color: #3d4650;
  font-size: 13px;
}

.specs div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--accent) 16%, white);
  color: var(--accent);
}

.feature-row h3 {
  margin: 0;
  font-size: 18px;
}

.feature-row p {
  margin: 6px 0 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: 36px;
  align-items: center;
}

.visual-panel {
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: white;
  box-shadow: var(--shadow);
}

.process {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.process-step {
  position: relative;
  min-height: 172px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  background: var(--steel);
  color: white;
  font-weight: 800;
}

.process-step h3 {
  margin: 0;
  font-size: 18px;
}

.process-step p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding: 80px 0 54px;
  background:
    linear-gradient(90deg, rgba(20, 27, 34, .92), rgba(20, 27, 34, .68)),
    var(--hero-image) center/cover no-repeat;
  color: white;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12;
}

.page-hero p {
  max-width: 720px;
  margin: 16px 0 0;
  color: #dce4eb;
}

.catalog-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.filter-btn {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  padding: 8px 14px;
  color: #37414a;
  cursor: pointer;
}

.filter-btn[aria-pressed="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, white);
  color: var(--steel);
  font-weight: 800;
}

.info-band {
  padding: 28px;
  border-radius: 8px;
  background: var(--steel);
  color: white;
}

.info-band p {
  margin: 8px 0 0;
  color: #d6dee5;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
}

.contact-box {
  padding: 24px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.contact-box h3 {
  margin: 0 0 14px;
}

.contact-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.contact-item:first-of-type {
  border-top: 0;
}

.contact-item span {
  color: var(--muted);
}

.footer {
  background: #111820;
  color: white;
  padding: 38px 0;
}

.footer-inner {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.footer p {
  margin: 6px 0 0;
  color: #aeb8c1;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: #dce3e9;
  font-size: 14px;
}

.search-panel {
  padding: 24px;
  border-radius: 8px;
  background: white;
  border: 1px solid var(--line);
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.search-input {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
}

.result-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.result-item {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 16px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.result-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface-2);
}

.result-thumb img {
  height: 100%;
  object-fit: cover;
}

.result-item h3 {
  margin: 0;
}

.result-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

.legal {
  max-width: 820px;
}

.legal h2 {
  margin-top: 34px;
}

.legal p {
  color: #46505a;
}

.brand-directory {
  min-height: 100vh;
  padding: 64px 0;
  background:
    linear-gradient(135deg, rgba(17, 24, 32, .92), rgba(38, 49, 58, .74)),
    url("../images/hero-warehouse.svg") center/cover no-repeat;
  color: white;
}

.directory-inner {
  width: var(--container);
  margin: 0 auto;
}

.directory-head {
  max-width: 760px;
}

.directory-head h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
}

.directory-head p {
  margin: 18px 0 0;
  color: #dce4eb;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.brand-card {
  min-height: 220px;
  display: grid;
  align-content: space-between;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(12px);
}

.brand-card h2 {
  margin: 0;
  font-size: 34px;
}

.brand-card img {
  width: auto;
  max-width: 190px;
  height: 58px;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 18px;
}

.brand-card p {
  color: #e5ebf0;
}

.brand-card span {
  color: var(--accent);
  font-weight: 800;
}

body[data-brand="zaiban"] { --accent: #2476a8; --accent-2: #f28b46; }
body[data-brand="xundao"] { --accent: #2f7d5b; --accent-2: #f28b46; }
body[data-brand="ershengban"] { --accent: #0b8d87; --accent-2: #e25d3f; }
body[data-brand="xuyuan"] { --accent: #2b78c5; --accent-2: #2f7d5b; }
body[data-brand="qingban"] { --accent: #1a9b7b; --accent-2: #4e8ed6; }

/* Brand systems */
body[data-design="atelier"] {
  --bg: #f0f2f3;
  --surface-2: #e4e8eb;
  --steel: #151d24;
  --accent: #f2763a;
}

body[data-design="standard"] {
  --bg: #f7f8fa;
  --surface-2: #edf3f8;
  --steel: #0d1824;
  --accent: #1f6fa8;
  --accent-2: #f39b43;
}

body[data-design="evergreen"] {
  --bg: #f3f6f1;
  --surface-2: #e5eee5;
  --steel: #193429;
  --accent: #2f7d5b;
  --accent-2: #d9a441;
}

body[data-design="renewal"] {
  --bg: #f4f7f6;
  --surface: #ffffff;
  --surface-2: #e8efed;
  --ink: #18211f;
  --muted: #60706b;
  --line: #d7e0dd;
  --steel: #17211f;
  --accent: #276f51;
  --accent-2: #276f51;
  --shadow: 0 22px 64px rgba(33, 50, 44, .12);
}

body[data-design="ledger"] {
  --bg: #f4f7fb;
  --surface-2: #e7eef7;
  --steel: #10233a;
  --accent: #2b78c5;
  --accent-2: #2f7d5b;
}

body[data-design="air"] {
  --bg: #f7fbfa;
  --surface-2: #e7f3ef;
  --steel: #122920;
  --accent: #1a9b7b;
  --accent-2: #4e8ed6;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(380px, .75fr);
  gap: 42px;
  align-items: center;
}

.hero-copy-block {
  position: relative;
  z-index: 2;
}

.hero-showcase {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  align-self: stretch;
  align-content: center;
}

.showcase-visual {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 8px;
  background: rgba(255,255,255,.12);
  box-shadow: 0 30px 70px rgba(8, 13, 18, .25);
}

.showcase-card {
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(12px);
}

.showcase-code {
  color: color-mix(in srgb, var(--accent) 70%, white);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

.showcase-card h3 {
  margin: 4px 0 12px;
  font-size: 20px;
}

.showcase-list {
  display: grid;
  gap: 8px;
}

.showcase-list span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #eef4f8;
  font-size: 14px;
}

.hero-grid .hero-stats {
  grid-column: 1 / -1;
  max-width: none;
  margin-top: 0;
}

.card-index,
.case-number {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-weight: 900;
  font-size: 12px;
}

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

.proof-grid div {
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.proof-grid strong {
  display: block;
  color: var(--accent);
  font-size: 12px;
}

.proof-grid span {
  display: block;
  margin-top: 14px;
  font-size: 20px;
  font-weight: 900;
}

body[data-design="atelier"] .site-header,
body[data-design="ledger"] .site-header {
  border-bottom: 1px solid rgba(17,24,32,.12);
}

body[data-design="atelier"] .hero {
  background:
    linear-gradient(90deg, rgba(15, 21, 27, .96) 0%, rgba(15, 21, 27, .78) 46%, rgba(15, 21, 27, .38) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 80px),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="atelier"] .business-card {
  background: #fff;
  border-top-width: 6px;
}

body[data-design="atelier"] .product-card .media {
  border-bottom: 6px solid #cfd6dc;
}

body[data-design="standard"] .hero {
  color: #0d1824;
  background:
    linear-gradient(115deg, #ffffff 0%, #ffffff 51%, #101a25 51%, #253443 100%);
}

body[data-design="standard"] .hero::after {
  background: linear-gradient(0deg, var(--bg), transparent);
}

body[data-design="standard"] .hero .eyebrow,
body[data-design="standard"] .hero .slogan,
body[data-design="standard"] .hero-copy {
  color: #1b2a38;
}

body[data-design="standard"] .btn-secondary {
  color: #102033;
  border-color: #c9d3dc;
  background: white;
}

body[data-design="standard"] .showcase-card {
  background: #102033;
}

body[data-design="standard"] .showcase-visual {
  transform: translateY(24px);
  border: 0;
}

body[data-design="standard"] .card {
  box-shadow: none;
  border-color: #cfd9e2;
}

body[data-design="standard"] .business-card {
  border-top: 0;
  border-left: 5px solid var(--accent);
}

body[data-design="evergreen"] .hero {
  background:
    linear-gradient(90deg, rgba(20, 52, 41, .93), rgba(20, 52, 41, .74)),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="evergreen"] .section.alt {
  background: #fbfcf8;
}

body[data-design="evergreen"] .business-card,
body[data-design="evergreen"] .feature-row {
  border-color: #cbdacb;
}

body[data-design="evergreen"] .proof-grid div {
  background: linear-gradient(180deg, white, #eef6ed);
}

body[data-design="renewal"] .hero {
  min-height: 690px;
  color: #f8fbfa;
  background:
    linear-gradient(90deg, rgba(16, 24, 23, .90) 0%, rgba(16, 24, 23, .78) 43%, rgba(16, 24, 23, .22) 78%),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="renewal"] .hero::after {
  height: 86px;
  background: linear-gradient(0deg, var(--bg), rgba(244, 247, 246, 0));
}

body[data-design="renewal"] .showcase-visual {
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 8px;
  box-shadow: 0 32px 90px rgba(8, 15, 13, .34);
}

body[data-design="renewal"] .showcase-visual img {
  height: 100%;
  object-fit: cover;
}

body[data-design="renewal"] .showcase-card {
  margin-top: -56px;
  width: min(88%, 420px);
  justify-self: end;
  border-radius: 8px;
  border-color: rgba(255,255,255,.48);
  background: rgba(255, 255, 255, .92);
  color: #1b2522;
  box-shadow: 0 24px 62px rgba(8, 15, 13, .22);
}

body[data-design="renewal"] .showcase-card h3,
body[data-design="renewal"] .showcase-list span {
  color: #1b2522;
}

body[data-design="renewal"] .showcase-code {
  color: var(--accent);
}

body[data-design="renewal"] .hero .eyebrow {
  max-width: 560px;
  color: #dfe8e4;
}

body[data-design="renewal"] .hero h1 {
  max-width: 620px;
  font-size: clamp(48px, 6vw, 78px);
  letter-spacing: 0;
}

body[data-design="renewal"] .hero .slogan {
  color: #ffffff;
}

body[data-design="renewal"] .hero-copy {
  max-width: 560px;
  color: #d9e3df;
}

body[data-design="renewal"] .btn {
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

body[data-design="renewal"] .btn:hover {
  transform: translateY(-1px);
}

body[data-design="renewal"] .btn:active {
  transform: translateY(1px);
}

body[data-design="renewal"] .btn-primary {
  background: var(--accent);
  box-shadow: 0 14px 30px rgba(39, 111, 81, .26);
}

body[data-design="renewal"] .btn-secondary {
  border-color: rgba(255,255,255,.58);
  background: rgba(255,255,255,.12);
}

body[data-design="renewal"] .stat-chip {
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.26);
  backdrop-filter: blur(10px);
}

body[data-design="renewal"] .section {
  padding: 88px 0;
}

body[data-design="renewal"] .section.alt {
  background: #fbfcfb;
}

body[data-design="renewal"] .section-head {
  display: block;
  max-width: 760px;
  margin-bottom: 34px;
}

body[data-design="renewal"] .section-kicker {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0;
}

body[data-design="renewal"] .section-title {
  max-width: 720px;
  font-size: clamp(32px, 4.5vw, 48px);
  letter-spacing: 0;
}

body[data-design="renewal"] .section-desc {
  color: #5c6c67;
}

body[data-design="renewal"] .card,
body[data-design="renewal"] .feature-row,
body[data-design="renewal"] .contact-box,
body[data-design="renewal"] .search-panel {
  border-color: rgba(39, 111, 81, .14);
  box-shadow: 0 12px 34px rgba(33, 50, 44, .08);
}

body[data-design="renewal"] .business-card {
  border-top: 0;
  min-height: 218px;
  background:
    linear-gradient(180deg, rgba(39, 111, 81, .06), rgba(255,255,255,0) 44%),
    #fff;
}

body[data-design="renewal"] .business-card:hover,
body[data-design="renewal"] .product-card:hover,
body[data-design="renewal"] .case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px rgba(33, 50, 44, .13);
}

body[data-design="renewal"] .business-card,
body[data-design="renewal"] .product-card,
body[data-design="renewal"] .case-card {
  transition: transform .24s ease, box-shadow .24s ease;
}

body[data-design="renewal"] .product-grid {
  gap: 20px;
}

body[data-design="renewal"] .product-card .media,
body[data-design="renewal"] .case-card .media {
  aspect-ratio: 1.45 / 1;
  border-bottom: 1px solid rgba(39, 111, 81, .12);
}

body[data-design="renewal"] .product-card .media img,
body[data-design="renewal"] .case-card .media img,
body[data-design="renewal"] .visual-panel img {
  height: 100%;
  object-fit: cover;
}

body[data-design="renewal"] .product-card .card-body,
body[data-design="renewal"] .case-card .card-body {
  min-height: 230px;
}

body[data-design="renewal"] .tag {
  background: #edf4f1;
  color: #285f49;
}

body[data-design="renewal"] .card-index,
body[data-design="renewal"] .case-number {
  color: var(--accent);
}

body[data-design="renewal"] .specs div {
  border-top-color: rgba(39, 111, 81, .14);
}

body[data-design="renewal"] .feature-row {
  min-height: 136px;
  background: #fff;
}

body[data-design="renewal"] .feature-icon {
  background: #e4f0eb;
  color: var(--accent);
}

body[data-design="renewal"] .proof-grid {
  gap: 14px;
}

body[data-design="renewal"] .proof-grid div {
  background:
    linear-gradient(135deg, rgba(39, 111, 81, .10), transparent 62%),
    #fff;
  border-color: rgba(39, 111, 81, .14);
  box-shadow: 0 12px 34px rgba(33, 50, 44, .06);
}

body[data-design="renewal"] .visual-panel {
  min-height: 420px;
}

body[data-design="renewal"] .visual-panel img {
  min-height: 420px;
}

body[data-design="renewal"] .page-hero {
  padding: 92px 0 68px;
  background:
    linear-gradient(90deg, rgba(16, 24, 23, .90), rgba(16, 24, 23, .52)),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="renewal"] .page-hero .eyebrow {
  color: #dfe8e4;
}

body[data-design="renewal"] .info-band {
  background:
    linear-gradient(135deg, rgba(39, 111, 81, .32), rgba(23, 33, 31, 0) 55%),
    #17211f;
}

body[data-design="renewal"] .site-header {
  border-bottom-color: rgba(39, 111, 81, .12);
  background: rgba(255,255,255,.88);
}

body[data-design="renewal"] .brand-link {
  grid-template-columns: 118px;
}

body[data-design="renewal"] .brand-name {
  color: #1b2522;
}

body[data-design="renewal"] .brand-name,
body[data-design="renewal"] .brand-subtitle {
  display: none;
}

body[data-design="renewal"] .site-nav a:hover,
body[data-design="renewal"] .site-nav a[aria-current="page"] {
  background: #edf4f1;
  color: #1b2522;
}

body[data-design="renewal"] .footer {
  background: #101917;
}

@media (prefers-reduced-motion: reduce) {
  body[data-design="renewal"] .btn,
  body[data-design="renewal"] .business-card,
  body[data-design="renewal"] .product-card,
  body[data-design="renewal"] .case-card {
    transition: none;
  }
}

body[data-design="ledger"] .hero {
  background:
    linear-gradient(90deg, rgba(16, 35, 58, .96), rgba(16, 35, 58, .76)),
    linear-gradient(0deg, rgba(43,120,197,.2), transparent),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="ledger"] .showcase-card,
body[data-design="ledger"] .stat-chip {
  font-family: Consolas, "Microsoft YaHei", monospace;
}

body[data-design="ledger"] .business-card {
  border-top: 0;
  background:
    linear-gradient(90deg, rgba(43,120,197,.1), transparent 42%),
    #fff;
}

body[data-design="ledger"] .specs div {
  border-top-style: dashed;
}

body[data-design="air"] .site-header {
  background: rgba(255,255,255,.88);
}

body[data-design="air"] .hero {
  color: #11251f;
  background:
    linear-gradient(115deg, #f7fbfa 0%, #e8f5f1 62%, #dbeafa 100%);
}

body[data-design="air"] .hero .eyebrow,
body[data-design="air"] .hero .slogan,
body[data-design="air"] .hero-copy {
  color: #15382e;
}

body[data-design="air"] .btn-secondary {
  color: #122920;
  border-color: #badbd1;
  background: rgba(255,255,255,.72);
}

body[data-design="air"] .showcase-card {
  background: white;
  color: #122920;
  border-color: #d7eee6;
}

body[data-design="air"] .showcase-list span,
body[data-design="air"] .showcase-card h3 {
  color: #122920;
}

body[data-design="air"] .showcase-visual,
body[data-design="air"] .card,
body[data-design="air"] .feature-row,
body[data-design="air"] .contact-box {
  box-shadow: 0 12px 32px rgba(32, 98, 82, .09);
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    display: none;
    flex-direction: column;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: white;
    box-shadow: var(--shadow);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .menu-toggle {
    display: grid;
  }

  .grid-4,
  .grid-5,
  .process,
  .brand-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-showcase {
    max-width: 560px;
  }

  .hero-grid .hero-stats {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 28px, 1160px);
  }

  .header-inner {
    min-height: 64px;
  }

  .site-nav {
    top: 64px;
    left: 14px;
    right: 14px;
  }

  .brand-subtitle {
    display: none;
  }

  .hero {
    min-height: 590px;
  }

  .hero-figure {
    display: none;
  }

  .hero-inner {
    padding: 72px 0 114px;
  }

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

  .hero-showcase {
    max-width: none;
  }

  .showcase-card {
    padding: 14px;
  }

  body[data-design="standard"] .showcase-visual {
    transform: none;
  }

  .section {
    padding: 54px 0;
  }

  .section-head,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  body[data-design="renewal"] .hero {
    min-height: 660px;
  }

  body[data-design="renewal"] .hero-inner {
    padding: 54px 0 86px;
  }

  body[data-design="renewal"] .hero h1 {
    font-size: 38px;
  }

  body[data-design="renewal"] .info-band .section-title {
    font-size: 28px;
    line-height: 1.22;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5,
  .process,
  .brand-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat-chip {
    min-height: 78px;
    padding: 13px;
  }

  .stat-chip strong {
    font-size: 21px;
  }

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

  .result-item {
    grid-template-columns: 92px 1fr;
    gap: 12px;
  }

  .contact-item {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* Refined showroom system */
:root {
  --bg: #f2f5f3;
  --surface: #ffffff;
  --surface-2: #e8eeeb;
  --ink: #13201d;
  --muted: #64716d;
  --line: #d6dfdb;
  --steel: #14221f;
  --accent: #2b7a5b;
  --accent-2: #b4633f;
  --radius: 8px;
  --shadow: 0 22px 70px rgba(24, 42, 36, .11);
  --container: min(1200px, calc(100vw - 48px));
}

body {
  background:
    linear-gradient(90deg, rgba(19, 32, 29, .035) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  text-rendering: optimizeLegibility;
}

body[data-brand="xunzuo"] { --accent: #6f7f2f; --accent-2: #a26136; --bg: #f2f4f1; --surface-2: #e8ede4; --line: #d5ddce; --steel: #1d251a; }
body[data-brand="zaiban"] { --accent: #2f6388; --accent-2: #a66b3f; --bg: #f2f5f7; --surface-2: #e6edf2; --line: #d3dde5; --steel: #162434; }
body[data-brand="xundao"] { --accent: #287253; --accent-2: #9b6b39; --bg: #f1f5ef; --surface-2: #e4ece3; --line: #d1ddce; --steel: #17241d; }
body[data-brand="ershengban"] { --accent: #277052; --accent-2: #b4633f; --bg: #f3f6f4; --surface-2: #e7eeea; --line: #d4dfda; --steel: #14221f; }
body[data-brand="xuyuan"] { --accent: #315f91; --accent-2: #8f6e3f; --bg: #f2f5f8; --surface-2: #e5ecf3; --line: #d2dce7; --steel: #142238; }
body[data-brand="qingban"] { --accent: #25806a; --accent-2: #477aa8; --bg: #f5f9f7; --surface-2: #e7f0ec; --line: #d4e3dd; --steel: #132821; }

.site-header {
  border-bottom: 1px solid rgba(19, 32, 29, .1);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.header-inner {
  min-height: 76px;
  gap: 28px;
}

.brand-link {
  min-width: 0;
}

.brand-link.has-logo {
  grid-template-columns: minmax(128px, 168px);
}

.brand-link.has-logo > span:not(.brand-logo-wrap) {
  display: none;
}

.brand-logo-wrap {
  width: 168px;
  height: 54px;
  border-radius: 0;
  background: transparent;
}

.brand-logo {
  width: auto;
  max-width: 168px;
  height: 48px;
  object-fit: contain;
}

.brand-name {
  letter-spacing: 0;
}

.site-nav {
  gap: 2px;
}

.site-nav a {
  position: relative;
  padding: 10px 13px;
  border-radius: 999px;
  color: #364540;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 12%, white);
  color: var(--ink);
}

.icon-btn,
.menu-toggle {
  border-radius: 999px;
  border-color: rgba(19, 32, 29, .14);
  background: #fff;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.icon-btn:hover,
.menu-toggle:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, white);
  background: color-mix(in srgb, var(--accent) 8%, white);
}

.icon-btn:active,
.menu-toggle:active,
.btn:active,
.filter-btn:active {
  transform: translateY(1px);
}

.hero,
body[data-design="atelier"] .hero,
body[data-design="standard"] .hero,
body[data-design="evergreen"] .hero,
body[data-design="renewal"] .hero,
body[data-design="ledger"] .hero,
body[data-design="air"] .hero {
  min-height: 680px;
  color: #f8fbf9;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(12, 20, 18, .92) 0%, rgba(12, 20, 18, .78) 43%, rgba(12, 20, 18, .26) 100%),
    linear-gradient(180deg, rgba(12, 20, 18, .24), rgba(12, 20, 18, .08)),
    var(--hero-image) center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .075) 1px, transparent 1px) 0 0 / 88px 100%,
    linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, .08) 78%, transparent 78%);
  opacity: .48;
  pointer-events: none;
}

.hero::after,
body[data-design="standard"] .hero::after,
body[data-design="renewal"] .hero::after {
  height: 96px;
  background: linear-gradient(0deg, var(--bg), rgba(242, 245, 243, 0));
}

.hero-inner {
  padding: 92px 0 122px;
}

.hero-grid {
  grid-template-columns: minmax(0, .9fr) minmax(360px, .72fr);
  gap: clamp(28px, 5vw, 68px);
}

.hero-copy-block {
  padding-top: 10px;
}

.eyebrow {
  max-width: 640px;
  color: rgba(241, 248, 245, .88);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  background: var(--accent-2);
}

.hero h1,
body[data-design="renewal"] .hero h1 {
  max-width: 620px;
  font-size: clamp(44px, 6.4vw, 82px);
  line-height: 1.04;
  font-weight: 900;
}

.hero .slogan,
body[data-design="standard"] .hero .slogan,
body[data-design="air"] .hero .slogan,
body[data-design="renewal"] .hero .slogan {
  color: #ffffff;
  font-size: clamp(19px, 2.1vw, 25px);
}

.hero-copy,
body[data-design="standard"] .hero-copy,
body[data-design="air"] .hero-copy,
body[data-design="renewal"] .hero-copy {
  max-width: 580px;
  color: rgba(232, 241, 237, .88);
  font-size: 17px;
}

.btn {
  min-height: 46px;
  border-radius: 999px;
  padding: 10px 18px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.btn-primary,
body[data-design="renewal"] .btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 28%, transparent);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, #000);
}

.btn-secondary,
body[data-design="standard"] .btn-secondary,
body[data-design="air"] .btn-secondary,
body[data-design="renewal"] .btn-secondary {
  border-color: rgba(255, 255, 255, .48);
  color: #fff;
  background: rgba(255, 255, 255, .12);
}

.btn-light {
  border-color: rgba(19, 32, 29, .14);
  color: var(--steel);
  background: #fff;
}

.showcase-visual,
body[data-design="standard"] .showcase-visual,
body[data-design="renewal"] .showcase-visual,
body[data-design="air"] .showcase-visual {
  aspect-ratio: 4 / 3;
  transform: rotate(1.2deg);
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  box-shadow: 0 34px 90px rgba(7, 14, 12, .34);
}

.showcase-visual img {
  height: 100%;
  object-fit: cover;
}

.showcase-card,
body[data-design="standard"] .showcase-card,
body[data-design="air"] .showcase-card,
body[data-design="renewal"] .showcase-card {
  margin-top: -48px;
  width: min(88%, 420px);
  justify-self: end;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .5);
  background: rgba(255, 255, 255, .92);
  color: var(--ink);
  box-shadow: 0 24px 62px rgba(7, 14, 12, .24);
}

.showcase-code {
  color: var(--accent);
  letter-spacing: .08em;
}

.showcase-card h3,
.showcase-list span,
body[data-design="standard"] .showcase-list span,
body[data-design="air"] .showcase-list span,
body[data-design="renewal"] .showcase-list span,
body[data-design="renewal"] .showcase-card h3 {
  color: var(--ink);
}

.hero-stats {
  gap: 12px;
  margin-top: 8px;
}

.stat-chip,
body[data-design="renewal"] .stat-chip {
  min-height: 92px;
  border-color: rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .13);
  backdrop-filter: blur(10px);
}

.stat-chip strong {
  font-weight: 900;
}

.section,
body[data-design="renewal"] .section {
  padding: 88px 0;
}

.section.alt,
body[data-design="evergreen"] .section.alt,
body[data-design="renewal"] .section.alt {
  background: rgba(255, 255, 255, .62);
}

.section-head,
body[data-design="renewal"] .section-head {
  display: block;
  max-width: 780px;
  margin-bottom: 34px;
}

.section-kicker,
body[data-design="renewal"] .section-kicker {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0;
  font-weight: 900;
}

.section-title,
body[data-design="renewal"] .section-title {
  max-width: 760px;
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.14;
  font-weight: 900;
}

.section-desc {
  color: var(--muted);
  font-size: 16px;
}

.grid {
  gap: 22px;
}

.card,
.feature-row,
.contact-box,
.search-panel,
body[data-design="renewal"] .card,
body[data-design="renewal"] .feature-row,
body[data-design="renewal"] .contact-box,
body[data-design="renewal"] .search-panel {
  border-color: rgba(19, 32, 29, .11);
  border-radius: 8px;
  box-shadow: 0 16px 46px rgba(24, 42, 36, .08);
}

.card {
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.product-card:hover,
.case-card:hover,
.business-card:hover,
body[data-design="renewal"] .product-card:hover,
body[data-design="renewal"] .case-card:hover,
body[data-design="renewal"] .business-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 26%, white);
  box-shadow: 0 26px 70px rgba(24, 42, 36, .14);
}

.media {
  background: #dde5e1;
}

.product-card .media,
.case-card .media,
body[data-design="renewal"] .product-card .media,
body[data-design="renewal"] .case-card .media {
  aspect-ratio: 1.48 / 1;
}

.product-card .media img,
.case-card .media img,
.visual-panel img {
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 22px;
}

.product-card .card-body,
.case-card .card-body,
body[data-design="renewal"] .product-card .card-body,
body[data-design="renewal"] .case-card .card-body {
  min-height: 228px;
}

.tag {
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, white);
  color: color-mix(in srgb, var(--accent) 74%, #10201b);
  font-weight: 900;
}

.business-card,
body[data-design="standard"] .business-card,
body[data-design="renewal"] .business-card,
body[data-design="ledger"] .business-card {
  min-height: 226px;
  border-top: 0;
  border-left: 0;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 58%),
    #fff;
}

.card-index,
.case-number,
body[data-design="renewal"] .card-index,
body[data-design="renewal"] .case-number {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .04em;
}

.feature-row,
body[data-design="renewal"] .feature-row {
  min-height: 150px;
  background: #fff;
}

.feature-icon,
body[data-design="renewal"] .feature-icon {
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 12%, white);
  color: var(--accent);
}

.proof-grid {
  gap: 16px;
}

.proof-grid div,
body[data-design="renewal"] .proof-grid div {
  border-color: rgba(19, 32, 29, .11);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 66%),
    #fff;
}

.proof-grid span {
  font-size: 21px;
}

.visual-panel,
body[data-design="renewal"] .visual-panel {
  min-height: 430px;
  border-color: rgba(19, 32, 29, .12);
}

.visual-panel img,
body[data-design="renewal"] .visual-panel img {
  min-height: 430px;
}

.page-hero,
body[data-design="renewal"] .page-hero {
  padding: 94px 0 76px;
  background:
    linear-gradient(90deg, rgba(12, 20, 18, .92), rgba(12, 20, 18, .54)),
    var(--hero-image) center/cover no-repeat;
}

.page-hero h1 {
  font-weight: 900;
}

.filter-btn {
  border-color: rgba(19, 32, 29, .14);
  color: #33433e;
  font-weight: 700;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.filter-btn[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--accent) 64%, white);
  background: color-mix(in srgb, var(--accent) 14%, white);
  color: var(--ink);
}

.info-band,
body[data-design="renewal"] .info-band {
  min-height: 230px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 30%, transparent), transparent 56%),
    var(--steel);
}

.footer,
body[data-design="renewal"] .footer {
  background: #0d1714;
}

.brand-directory {
  min-height: 100dvh;
  background:
    linear-gradient(90deg, rgba(12, 20, 18, .92), rgba(12, 20, 18, .58)),
    url("../images/photo-used-workstations.webp") center/cover no-repeat;
}

.directory-head h1 {
  font-weight: 900;
}

.brand-grid {
  align-items: stretch;
}

.brand-card {
  min-height: 236px;
  border-color: rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .13);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .16);
  transition: transform .24s ease, background .24s ease, border-color .24s ease;
}

.brand-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, .42);
  background: rgba(255, 255, 255, .18);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 980px) {
  .header-inner {
    min-height: 72px;
  }

  .brand-link.has-logo {
    grid-template-columns: minmax(112px, 150px);
  }

  .brand-logo-wrap {
    width: 150px;
    height: 50px;
  }

  .brand-logo {
    max-width: 150px;
    height: 44px;
  }

  .site-nav {
    top: 72px;
    border-color: rgba(19, 32, 29, .12);
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .showcase-visual {
    transform: none;
  }

  .showcase-card {
    justify-self: start;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 28px, 1200px);
  }

  .header-inner {
    min-height: 66px;
  }

  .brand-link.has-logo {
    grid-template-columns: 122px;
  }

  .brand-logo-wrap {
    width: 122px;
    height: 44px;
  }

  .brand-logo {
    max-width: 122px;
    height: 40px;
  }

  .site-nav {
    top: 66px;
  }

  .hero,
  body[data-design="renewal"] .hero {
    min-height: 700px;
  }

  .hero-inner,
  body[data-design="renewal"] .hero-inner {
    padding: 58px 0 86px;
  }

  .hero h1,
  body[data-design="renewal"] .hero h1 {
    font-size: 40px;
  }

  .hero .slogan {
    font-size: 19px;
  }

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

  .hero-actions {
    gap: 10px;
  }

  .btn {
    min-height: 44px;
    padding: 9px 15px;
  }

  .showcase-card {
    margin-top: -30px;
    width: 92%;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .section,
  body[data-design="renewal"] .section {
    padding: 58px 0;
  }

  .section-title,
  body[data-design="renewal"] .section-title {
    font-size: 30px;
  }

  .visual-panel,
  body[data-design="renewal"] .visual-panel,
  .visual-panel img,
  body[data-design="renewal"] .visual-panel img {
    min-height: 300px;
  }

  .contact-grid {
    gap: 14px;
  }

  .info-band {
    min-height: 210px;
  }
}

/* Brand distinction pass */
:root {
  --paper: #f6f7f5;
  --wash: #ffffff;
  --accent-soft: color-mix(in srgb, var(--accent) 12%, white);
  --accent-ink: color-mix(in srgb, var(--accent) 78%, #0c1412);
  --brand-shadow: 0 28px 80px rgba(12, 20, 18, .12);
}

body[data-brand="xunzuo"] {
  --paper: #f2f1ea;
  --wash: #fbfaf5;
  --ink: #1d2118;
  --muted: #65695d;
  --line: #dad7c8;
  --steel: #232619;
  --accent: #778534;
  --accent-2: #c1733d;
}

body[data-brand="zaiban"] {
  --paper: #f4f8fb;
  --wash: #ffffff;
  --ink: #102034;
  --muted: #5c6b7b;
  --line: #d4e0ea;
  --steel: #12263b;
  --accent: #246fa3;
  --accent-2: #f06a2f;
}

body[data-brand="xundao"] {
  --paper: #eef5ef;
  --wash: #fbfdf9;
  --ink: #13271d;
  --muted: #5f7065;
  --line: #cfddcf;
  --steel: #163022;
  --accent: #287250;
  --accent-2: #a5823a;
}

body[data-brand="ershengban"] {
  --paper: #f5f3ef;
  --wash: #fffdf8;
  --ink: #18201c;
  --muted: #675f57;
  --line: #ddd5ca;
  --steel: #17211d;
  --accent: #a95f3e;
  --accent-2: #2f7756;
}

body[data-brand="xuyuan"] {
  --paper: #eef4fa;
  --wash: #fbfdff;
  --ink: #10223a;
  --muted: #5c6d82;
  --line: #cfdbe8;
  --steel: #102846;
  --accent: #276da6;
  --accent-2: #6e8398;
}

body[data-brand="qingban"] {
  --paper: #f4fbf8;
  --wash: #ffffff;
  --ink: #123026;
  --muted: #5d766d;
  --line: #d2e4dd;
  --steel: #103125;
  --accent: #1d8c72;
  --accent-2: #4a8dc0;
}

body {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px) 0 0 / 84px 84px,
    linear-gradient(180deg, var(--paper), var(--wash) 52%, var(--paper));
}

.site-header {
  background: color-mix(in srgb, var(--wash) 92%, transparent);
  border-bottom-color: color-mix(in srgb, var(--accent) 16%, transparent);
}

.header-inner {
  min-height: 78px;
}

.brand-logo-wrap {
  width: 176px;
}

.brand-logo {
  max-width: 176px;
  height: 50px;
}

.site-nav a {
  color: color-mix(in srgb, var(--ink) 82%, white);
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}

.hero,
body[data-design="atelier"] .hero,
body[data-design="evergreen"] .hero,
body[data-design="renewal"] .hero,
body[data-design="ledger"] .hero {
  min-height: 720px;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--steel) 96%, transparent) 0%, color-mix(in srgb, var(--steel) 84%, transparent) 42%, color-mix(in srgb, var(--steel) 22%, transparent) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, 0)),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="standard"] .hero {
  color: var(--ink);
  background:
    linear-gradient(102deg, rgba(255, 255, 255, .98) 0%, rgba(255, 255, 255, .92) 44%, rgba(18, 38, 59, .22) 44.2%, rgba(18, 38, 59, .82) 100%),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="air"] .hero {
  color: var(--ink);
  background:
    linear-gradient(105deg, rgba(244, 251, 248, .98) 0%, rgba(244, 251, 248, .9) 50%, rgba(74, 141, 192, .18) 50.2%, rgba(16, 49, 37, .58) 100%),
    var(--hero-image) center/cover no-repeat;
}

body[data-design="standard"] .hero .eyebrow,
body[data-design="standard"] .hero .slogan,
body[data-design="standard"] .hero-copy,
body[data-design="air"] .hero .eyebrow,
body[data-design="air"] .hero .slogan,
body[data-design="air"] .hero-copy {
  color: var(--ink);
}

body[data-design="standard"] .btn-secondary,
body[data-design="air"] .btn-secondary {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--accent) 32%, white);
  background: rgba(255, 255, 255, .76);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px) 0 0 / 92px 100%,
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 34%);
  opacity: .55;
}

body[data-design="standard"] .hero::before,
body[data-design="air"] .hero::before {
  opacity: .24;
}

.hero h1,
body[data-design="renewal"] .hero h1 {
  font-size: clamp(48px, 7vw, 92px);
  line-height: .98;
  max-width: 720px;
}

.hero .slogan {
  max-width: 560px;
}

.showcase-visual,
body[data-design="standard"] .showcase-visual,
body[data-design="renewal"] .showcase-visual,
body[data-design="air"] .showcase-visual {
  transform: rotate(.8deg) translateY(-6px);
  border-radius: 8px;
  box-shadow: 0 34px 100px color-mix(in srgb, var(--steel) 36%, transparent);
}

body[data-design="standard"] .showcase-visual,
body[data-design="air"] .showcase-visual {
  transform: rotate(-1.2deg) translateY(12px);
}

.showcase-card,
body[data-design="standard"] .showcase-card,
body[data-design="air"] .showcase-card,
body[data-design="renewal"] .showcase-card {
  border-color: color-mix(in srgb, var(--accent) 18%, white);
  background: color-mix(in srgb, var(--wash) 94%, transparent);
  backdrop-filter: blur(18px) saturate(130%);
}

.section,
body[data-design="renewal"] .section {
  background: transparent;
}

.section.alt,
body[data-design="evergreen"] .section.alt,
body[data-design="renewal"] .section.alt {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 5%, var(--wash)), color-mix(in srgb, var(--paper) 70%, white));
}

.section-title,
body[data-design="renewal"] .section-title {
  letter-spacing: 0;
}

.section-desc {
  max-width: 680px;
}

.card,
.feature-row,
.contact-box,
.search-panel,
body[data-design="renewal"] .card,
body[data-design="renewal"] .feature-row,
body[data-design="renewal"] .contact-box,
body[data-design="renewal"] .search-panel {
  background: color-mix(in srgb, var(--wash) 94%, white);
  border-color: color-mix(in srgb, var(--accent) 16%, white);
  box-shadow: var(--brand-shadow);
}

.product-card,
.case-card {
  background:
    linear-gradient(180deg, #fff 0, color-mix(in srgb, var(--paper) 22%, white) 100%);
}

.product-card .media,
.case-card .media {
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 16%, white);
}

.business-card,
body[data-design="standard"] .business-card,
body[data-design="renewal"] .business-card,
body[data-design="ledger"] .business-card {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 48%),
    linear-gradient(180deg, #fff, color-mix(in srgb, var(--paper) 28%, white));
}

body[data-brand="xunzuo"] .card,
body[data-brand="xunzuo"] .feature-row,
body[data-brand="xunzuo"] .contact-box {
  border-radius: 4px;
}

body[data-brand="xunzuo"] .hero {
  background:
    linear-gradient(90deg, rgba(30, 31, 20, .98) 0%, rgba(30, 31, 20, .86) 43%, rgba(30, 31, 20, .28) 100%),
    repeating-linear-gradient(90deg, rgba(193, 115, 61, .16) 0 1px, transparent 1px 96px),
    var(--hero-image) center/cover no-repeat;
}

body[data-brand="xunzuo"] .section-title {
  letter-spacing: .01em;
}

body[data-brand="xunzuo"] .business-card {
  border-top: 4px solid var(--accent-2);
}

body[data-brand="xunzuo"] .product-card .media img,
body[data-brand="xunzuo"] .case-card .media img {
  filter: contrast(1.04) saturate(.9);
}

body[data-brand="zaiban"] .card,
body[data-brand="zaiban"] .feature-row,
body[data-brand="zaiban"] .contact-box {
  box-shadow: 0 18px 54px rgba(36, 111, 163, .11);
}

body[data-brand="zaiban"] .business-card {
  border-left: 4px solid var(--accent);
}

body[data-brand="xundao"] .card,
body[data-brand="xundao"] .feature-row,
body[data-brand="xundao"] .contact-box {
  background:
    linear-gradient(145deg, rgba(40, 114, 80, .08), transparent 46%),
    #fff;
}

body[data-brand="ershengban"] .showcase-visual {
  transform: rotate(1.6deg) translateY(-4px);
}

body[data-brand="ershengban"] .hero {
  background:
    linear-gradient(90deg, rgba(28, 24, 20, .96) 0%, rgba(28, 24, 20, .82) 44%, rgba(28, 24, 20, .26) 100%),
    radial-gradient(circle at 78% 18%, rgba(169, 95, 62, .28), transparent 34%),
    var(--hero-image) center/cover no-repeat;
}

body[data-brand="ershengban"] .showcase-card {
  border-top: 4px solid var(--accent);
}

body[data-brand="ershengban"] .btn-primary {
  background: var(--accent);
  box-shadow: 0 16px 34px rgba(169, 95, 62, .28);
}

body[data-brand="ershengban"] .feature-icon,
body[data-brand="ershengban"] .tag {
  background: rgba(169, 95, 62, .12);
  color: #8b4c32;
}

body[data-brand="xuyuan"] .showcase-card,
body[data-brand="xuyuan"] .stat-chip,
body[data-brand="xuyuan"] .specs {
  font-family: Consolas, "SFMono-Regular", "Microsoft YaHei", monospace;
}

body[data-brand="xuyuan"] .specs div {
  border-top-style: dashed;
}

body[data-brand="qingban"] .hero-stats .stat-chip,
body[data-brand="qingban"] .card,
body[data-brand="qingban"] .feature-row,
body[data-brand="qingban"] .contact-box {
  box-shadow: 0 20px 60px rgba(29, 140, 114, .1);
}

body[data-brand="qingban"] .showcase-card {
  justify-self: start;
}

.process-step {
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--accent) 10%, white), white 48%);
  border-color: color-mix(in srgb, var(--accent) 16%, white);
}

.process-step::before {
  background: var(--accent);
}

.info-band,
body[data-design="renewal"] .info-band {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 42%, transparent), transparent 52%),
    linear-gradient(180deg, var(--steel), color-mix(in srgb, var(--steel) 86%, #000));
}

.footer,
body[data-design="renewal"] .footer {
  background: color-mix(in srgb, var(--steel) 88%, #000);
}

.brand-directory {
  background:
    linear-gradient(90deg, rgba(9, 15, 13, .9), rgba(9, 15, 13, .54)),
    url("../images/photo-cubicle-rows.webp") center/cover no-repeat;
}

.brand-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .08)),
    rgba(255, 255, 255, .12);
  backdrop-filter: blur(18px) saturate(120%);
}

.brand-card span {
  color: #56c59d;
}

.brand-card:nth-child(1) { border-top: 4px solid #c1733d; }
.brand-card:nth-child(2) { border-top: 4px solid #f06a2f; }
.brand-card:nth-child(3) { border-top: 4px solid #287250; }
.brand-card:nth-child(4) { border-top: 4px solid #a95f3e; }
.brand-card:nth-child(5) { border-top: 4px solid #276da6; }
.brand-card:nth-child(6) { border-top: 4px solid #1d8c72; }

.brand-card:nth-child(1) span { color: #d69a57; }
.brand-card:nth-child(2) span { color: #ff8a54; }
.brand-card:nth-child(3) span { color: #65c28f; }
.brand-card:nth-child(4) span { color: #e29a72; }
.brand-card:nth-child(5) span { color: #74b6e6; }
.brand-card:nth-child(6) span { color: #73d7c0; }

@media (max-width: 980px) {
  .hero,
  body[data-design="atelier"] .hero,
  body[data-design="standard"] .hero,
  body[data-design="evergreen"] .hero,
  body[data-design="renewal"] .hero,
  body[data-design="ledger"] .hero,
  body[data-design="air"] .hero {
    min-height: 760px;
  }

  body[data-design="standard"] .hero,
  body[data-design="air"] .hero {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(255, 255, 255, .76) 56%, rgba(16, 32, 28, .54)),
      var(--hero-image) center/cover no-repeat;
  }
}

@media (max-width: 640px) {
  .hero,
  body[data-design="atelier"] .hero,
  body[data-design="standard"] .hero,
  body[data-design="evergreen"] .hero,
  body[data-design="renewal"] .hero,
  body[data-design="ledger"] .hero,
  body[data-design="air"] .hero {
    min-height: 720px;
  }

  .hero h1,
  body[data-design="renewal"] .hero h1 {
    font-size: 40px;
    line-height: 1.04;
  }
}