/* 河北兰亭格服装 — 风格B：清爽极简工作室（预览中）
 * 风格A 备份：assets/css/style-oriental.css（东方雅致）
 */
:root {
  --color-primary-50: #f4f4f3;
  --color-primary-100: #e8e8e6;
  --color-primary-300: #9a9a96;
  --color-primary-500: #2A2A2A;
  --color-primary-700: #111111;
  --color-accent: #5C6B73;
  --color-accent-soft: #8A9AA3;
  --color-bg: #F8F8F7;
  --color-bg-deep: #F0F0EE;
  --color-surface: #FFFFFF;
  --color-ink: #1C1C1C;
  --color-ink-soft: #4A4A4A;
  --color-muted: #6B6B6B;
  --color-line: #E5E5E2;
  --color-success: #4A7C6B;
  --color-danger: #a33b3b;
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1120px;
  --header-h: 72px;
  --radius: 0;
  --shadow-soft: 0 12px 32px rgba(17, 17, 17, 0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  background: rgba(255, 255, 255, 0.94);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  min-width: 0;
}

.brand-mark,
.footer-logo {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--color-primary-700);
  border: 1px solid var(--color-primary-700);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .12em;
}

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

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.brand-text small {
  color: var(--color-muted);
  font-size: .68rem;
  letter-spacing: .18em;
  margin-top: .15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: .15rem;
}

.nav-link {
  position: relative;
  padding: .55rem .85rem;
  color: var(--color-ink-soft);
  font-size: .92rem;
  letter-spacing: .04em;
  transition: color .25s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .85rem;
  right: .85rem;
  bottom: .2rem;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-primary-700);
}

.nav-link.is-active::after,
.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 1.5px;
  background: var(--color-primary-700);
  transition: transform .25s var(--ease), opacity .25s;
}

/* Hero — 清爽极简工作室：居中构图 */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--color-ink);
  background: #F4F4F2;
}

.hero-atelier::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(17, 17, 17, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .28;
  filter: grayscale(.15) contrast(1.05);
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(248, 248, 247, 0.55) 0%, rgba(248, 248, 247, 0.82) 55%, rgba(248, 248, 247, 0.95) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--container));
  margin: 0 auto;
  padding: 5rem 0 4.5rem;
}

.hero-content-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content-center .hero-lead {
  margin-left: auto;
  margin-right: auto;
}

.hero-content-center .hero-actions {
  justify-content: center;
}

.hero-kicker {
  display: inline-block;
  color: var(--color-accent);
  letter-spacing: .36em;
  font-size: .72rem;
  font-weight: 500;
  margin: 0 0 1.5rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise .8s var(--ease) .15s forwards;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.2vw, 3.8rem);
  font-weight: 600;
  letter-spacing: .18em;
  line-height: 1.25;
  margin: 0 0 1.25rem;
  color: var(--color-primary-700);
  max-width: 16em;
  opacity: 0;
  transform: translateY(22px);
  animation: rise .9s var(--ease) .28s forwards;
}

.hero-lead {
  max-width: 28rem;
  font-size: 1rem;
  color: var(--color-ink-soft);
  margin: 0 0 2.25rem;
  letter-spacing: .04em;
  opacity: 0;
  transform: translateY(22px);
  animation: rise .9s var(--ease) .42s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  opacity: 0;
  transform: translateY(22px);
  animation: rise .9s var(--ease) .56s forwards;
}

.hero-scroll {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  color: var(--color-muted);
  font-size: .66rem;
  letter-spacing: .28em;
  writing-mode: horizontal-tb;
}

.hero-scroll::after {
  content: "";
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  animation: scrollPulse 1.8s var(--ease) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: .35; transform: scaleY(.7); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .8s var(--ease), visibility .8s var(--ease);
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide.is-active .hero-kicker,
.hero-slide.is-active .hero-brand,
.hero-slide.is-active .hero-lead,
.hero-slide.is-active .hero-actions {
  animation: rise .9s var(--ease) forwards;
}

.hero-slide.is-active .hero-kicker { animation-delay: .15s; }
.hero-slide.is-active .hero-brand { animation-delay: .28s; }
.hero-slide.is-active .hero-lead { animation-delay: .42s; }
.hero-slide.is-active .hero-actions { animation-delay: .56s; }

.hero-dots {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 4.5rem;
  transform: translateX(-50%);
  display: flex;
  gap: .45rem;
}

.hero-dot {
  width: 24px;
  height: 1px;
  border: 0;
  padding: 0;
  background: rgba(17, 17, 17, 0.2);
  cursor: pointer;
  transition: background .25s var(--ease), width .25s var(--ease);
}

.hero-dot.is-active {
  width: 40px;
  background: var(--color-primary-700);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 46px;
  padding: 0 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: .08em;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.btn:hover { transform: translateY(-2px); }

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

.btn-primary:hover { background: #3d8575; color: #fff; }

.btn-ghost {
  border-color: rgba(248, 241, 228, 0.55);
  color: #F7FAF8;
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(248, 241, 228, 0.1);
}

.btn-outline {
  border-color: var(--color-primary-500);
  color: var(--color-primary-700);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary-500);
  color: #F7FAF8;
}

.btn-solid {
  background: var(--color-primary-500);
  color: #F7FAF8;
}

.btn-solid:hover { background: var(--color-primary-700); }

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--color-bg-deep), var(--color-bg));
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-label {
  color: var(--color-accent);
  letter-spacing: .22em;
  font-size: .75rem;
  margin: 0 0 .55rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 600;
  letter-spacing: .08em;
  margin: 0;
  color: var(--color-primary-700);
}

.section-desc {
  margin: .7rem 0 0;
  color: var(--color-muted);
  max-width: 36rem;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

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

/* About teaser */
.about-split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center;
}

.about-visual {
  position: relative;
  min-height: 420px;
  background:
    linear-gradient(145deg, rgba(31,77,58,.15), transparent 40%),
    linear-gradient(180deg, #C5D5CF, #7FA89C);
  overflow: hidden;
}

.about-visual::after {
  content: "LANTINGGE";
  position: absolute;
  left: 1.2rem;
  bottom: 1rem;
  font-family: var(--font-display);
  letter-spacing: .35em;
  color: rgba(255,255,255,.55);
  font-size: .8rem;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.about-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: .08em;
  color: var(--color-primary-700);
  margin: 0 0 1rem;
}

.about-copy p {
  color: var(--color-ink-soft);
  margin: 0 0 1rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.stat-item {
  padding: 1rem 0;
  border-top: 1px solid var(--color-line);
}

.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-primary-500);
  letter-spacing: .04em;
}

.stat-item span {
  color: var(--color-muted);
  font-size: .85rem;
}

/* Product / news grids */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.media-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: #C5D0CB;
}

.media-card .thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background:
    linear-gradient(135deg, #C8D6D1, #6B8F85);
}

.media-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.media-card:hover .thumb img {
  transform: scale(1.04);
}

.media-card .body {
  padding: 1.2rem 1.25rem 1.4rem;
}

.media-card .meta {
  color: var(--color-muted);
  font-size: .8rem;
  letter-spacing: .06em;
  margin-bottom: .45rem;
}

.media-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 .5rem;
  letter-spacing: .04em;
  color: var(--color-primary-700);
}

.media-card p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: .92rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Partners */
.partner-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.partner-item {
  min-height: 88px;
  display: grid;
  place-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: .75rem;
  color: var(--color-muted);
  font-size: .9rem;
}

.partner-item img {
  max-height: 48px;
  width: auto;
  object-fit: contain;
}

/* Page hero (inner) */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background:
    linear-gradient(120deg, rgba(31,77,58,.08), transparent 50%),
    var(--color-bg-deep);
  border-bottom: 1px solid var(--color-line);
}

.breadcrumb {
  color: var(--color-muted);
  font-size: .85rem;
  margin-bottom: .85rem;
}

.breadcrumb a:hover { color: var(--color-primary-500); }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  letter-spacing: .1em;
  margin: 0;
  color: var(--color-primary-700);
}

.page-hero p {
  margin: .75rem 0 0;
  color: var(--color-muted);
  max-width: 40rem;
}

/* Filter chips */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: 2rem;
}

.filter-bar a {
  padding: .45rem .95rem;
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  background: var(--color-surface);
  font-size: .88rem;
  transition: all .25s var(--ease);
}

.filter-bar a:hover,
.filter-bar a.is-active {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: #F7FAF8;
}

/* Detail */
.detail-layout {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 2.5rem;
  align-items: start;
}

.detail-cover {
  background: var(--color-bg-deep);
  border: 1px solid var(--color-line);
  min-height: 360px;
}

.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}

.detail-body h1 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: .06em;
  color: var(--color-primary-700);
  margin: 0 0 1rem;
}

.prose {
  color: var(--color-ink-soft);
}

.prose p { margin: 0 0 1rem; }
.prose img { margin: 1rem 0; }

.article-meta {
  color: var(--color-muted);
  font-size: .88rem;
  margin-bottom: 1.25rem;
}

/* Timeline / honors */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: .35rem;
  top: .2rem;
  bottom: .2rem;
  width: 1px;
  background: var(--color-line);
}

.timeline-item {
  position: relative;
  padding: 0 0 1.8rem 1rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.28rem;
  top: .45rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(47, 107, 94, 0.2);
}

.timeline-item .year {
  font-family: var(--font-display);
  color: var(--color-primary-500);
  letter-spacing: .08em;
  font-weight: 600;
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.honor-item {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 1rem;
  text-align: center;
}

.honor-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  margin-bottom: .75rem;
  background: var(--color-bg-deep);
}

/* Jobs */
.job-list {
  display: grid;
  gap: 1rem;
}

.job-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 1.35rem 1.5rem;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.job-card:hover {
  border-color: #C5D0CB;
  box-shadow: var(--shadow-soft);
}

.job-card h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  color: var(--color-primary-700);
  letter-spacing: .04em;
}

.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  color: var(--color-muted);
  font-size: .88rem;
  margin-bottom: .85rem;
}

/* Forms */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 1.75rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1rem;
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: .88rem;
  color: var(--color-ink-soft);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1px solid var(--color-line);
  background: #fff;
  padding: .7rem .85rem;
  border-radius: var(--radius);
  color: var(--color-ink);
  outline: none;
  transition: border-color .2s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary-300);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.alert {
  padding: .85rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
}

.alert-success {
  border-color: #b7d4c4;
  background: #eef7f2;
  color: var(--color-success);
}

.alert-error {
  border-color: #e2b6b6;
  background: #fbf0f0;
  color: var(--color-danger);
}

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 2rem;
}

.contact-info {
  background: var(--color-primary-700);
  color: #F7FAF8;
  padding: 2rem;
  min-height: 100%;
}

.contact-info h2 {
  font-family: var(--font-display);
  letter-spacing: .08em;
  margin: 0 0 1.25rem;
}

.contact-info p {
  margin: 0 0 .85rem;
  color: rgba(248, 241, 228, 0.88);
}

.map-placeholder {
  margin-top: 1.5rem;
  min-height: 160px;
  border: 1px dashed rgba(248, 241, 228, 0.35);
  display: grid;
  place-items: center;
  color: rgba(248, 241, 228, 0.65);
  letter-spacing: .12em;
  font-size: .85rem;
}

/* Empty / pagination */
.empty-state {
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--color-muted);
  border: 1px dashed var(--color-line);
  background: var(--color-surface);
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.pagination a {
  min-width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink-soft);
}

.pagination a.is-active,
.pagination a:hover {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: #fff;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  background: #161616;
  color: rgba(255, 255, 255, 0.78);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr 1fr;
  gap: 2rem;
  padding: 3.5rem 0 2.5rem;
}

.footer-logo {
  margin-bottom: 1rem;
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.footer-brand p {
  max-width: 26rem;
  margin: 0;
  color: rgba(248, 241, 228, 0.7);
}

.footer-col h4 {
  font-family: var(--font-display);
  letter-spacing: .1em;
  margin: 0 0 1rem;
  color: #F7FAF8;
}

.footer-col a,
.footer-col p {
  display: block;
  margin: 0 0 .55rem;
  color: rgba(248, 241, 228, 0.7);
  font-size: .92rem;
}

.footer-col a:hover { color: var(--color-accent-soft); }

.footer-bottom {
  border-top: 1px solid rgba(248, 241, 228, 0.12);
  padding: 1rem 0;
  font-size: .82rem;
  color: rgba(248, 241, 228, 0.55);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom a:hover { color: var(--color-accent-soft); }

/* CTA band (内页复用) */
.cta-band {
  padding: 3.5rem 0;
  background:
    linear-gradient(105deg, var(--color-primary-700), var(--color-primary-500));
  color: #F7FAF8;
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  letter-spacing: .12em;
  margin: 0 0 .75rem;
}

.cta-band p {
  margin: 0 0 1.5rem;
  color: rgba(248, 241, 228, 0.8);
}

/* ========== 首页高级亮色布局 ========== */
.page-home .site-header {
  background: rgba(250, 250, 248, 0.72);
}

.page-home .site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
}

.section-soft {
  background: var(--color-bg-deep);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--color-accent);
  font-size: .92rem;
  letter-spacing: .06em;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), gap .25s var(--ease);
}

.text-link:hover {
  border-bottom-color: var(--color-accent);
  gap: .55rem;
}

.home-about-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.home-about-visual {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  background: linear-gradient(145deg, #D8E4DF, #A8C0B7);
}

.home-about-visual img,
.home-about-placeholder {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
}

.home-about-placeholder {
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: .4em;
  font-family: var(--font-display);
  font-size: .85rem;
}

.home-about-quote {
  margin: 0 0 1rem;
  padding-left: 0;
  border-left: 0;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 1rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.8;
  letter-spacing: .06em;
  color: var(--color-primary-700);
}

.product-card,
.case-card {
  border: 0;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
}

.product-card:hover,
.case-card:hover {
  box-shadow: none;
  transform: none;
}

.product-card:hover .thumb img,
.case-card:hover .thumb img {
  transform: scale(1.03);
}

.product-card .body,
.case-card .body {
  padding: 1rem 0 1.25rem;
}

.home-about-lead {
  color: var(--color-ink-soft);
  margin: 0 0 1.5rem;
  font-size: 1rem;
}

.home-about-metrics {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.home-about-metrics li {
  padding-top: .85rem;
  border-top: 1px solid var(--color-line);
}

.home-about-metrics strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--color-primary-500);
}

.home-about-metrics span {
  color: var(--color-muted);
  font-size: .82rem;
}

.section-head-center {
  justify-content: center;
  text-align: center;
  margin-bottom: 2rem;
}

.section-head-center .section-desc {
  margin-inline: auto;
}

/* 产品网格：默认三列；内容≥4 时启用 bento */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.product-grid.is-bento {
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(200px, auto);
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.product-grid.is-bento .product-card.is-feature {
  grid-column: span 2;
  grid-row: span 2;
}

.product-card .thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(135deg, #D5E0DB, #8FA99F);
}

.product-grid.is-bento .product-card.is-feature .thumb {
  aspect-ratio: auto;
  min-height: 360px;
  flex: 1;
}

.product-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}

.product-card:hover .thumb img { transform: scale(1.04); }

.product-card .body {
  padding: 1.15rem 1.25rem 1.35rem;
}

.product-card h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--color-primary-700);
  letter-spacing: .04em;
}

.product-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 案例：容器内三列对齐 */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.case-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.case-card .thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: linear-gradient(135deg, #D5E0DB, #8FA99F);
}

.case-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}

.case-card:hover .thumb img { transform: scale(1.04); }

.case-card .body {
  padding: 1.15rem 1.2rem 1.35rem;
}

.case-card h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-primary-700);
}

.case-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 新闻：时间轴列表 */
.news-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.news-row {
  display: grid;
  grid-template-columns: 72px 1fr 140px;
  gap: 1.5rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--color-line);
  transition: background .25s var(--ease), padding .25s var(--ease);
}

.news-row:hover {
  background: rgba(47, 107, 94, 0.03);
  padding-left: .75rem;
  padding-right: .75rem;
}

.news-date {
  text-align: center;
}

.news-date strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-primary-700);
}

.news-date span {
  display: block;
  margin-top: .35rem;
  color: var(--color-muted);
  font-size: .78rem;
  letter-spacing: .06em;
}

.news-body h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-primary-700);
}

.news-body p {
  margin: 0;
  color: var(--color-muted);
  font-size: .92rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #D5E0DB;
}

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

.news-row.no-thumb {
  grid-template-columns: 72px 1fr;
}

.home-careers {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.home-careers-list {
  border-top: 1px solid var(--color-line);
}

.career-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-line);
  transition: background .25s var(--ease), padding .25s var(--ease);
}

.career-row:hover {
  background: rgba(47, 107, 94, 0.04);
  padding-left: .75rem;
  padding-right: .75rem;
}

.career-row h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--color-primary-700);
}

.career-arrow {
  color: var(--color-accent);
  font-size: 1.2rem;
  transition: transform .25s var(--ease);
}

.career-row:hover .career-arrow {
  transform: translateX(4px);
}

.cta-light {
  padding: 4rem 0;
  background:
    linear-gradient(120deg, rgba(47, 107, 94, 0.06), transparent 45%),
    var(--color-surface);
  border-top: 1px solid var(--color-line);
}

.cta-light-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.cta-light h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: .1em;
  color: var(--color-primary-700);
  margin: 0 0 .65rem;
}

.cta-light p {
  margin: 0;
  color: var(--color-muted);
}

/* Responsive */
@media (max-width: 980px) {
  .about-split,
  .detail-layout,
  .contact-grid,
  .footer-grid,
  .home-about-grid,
  .home-careers {
    grid-template-columns: 1fr;
  }

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

  .product-grid.is-bento .product-card.is-feature {
    grid-column: span 2;
    grid-row: span 1;
  }

  .product-grid.is-bento .product-card.is-feature .thumb {
    min-height: 240px;
  }

  .home-about-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .cta-light-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-row { grid-template-columns: repeat(3, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(255, 253, 249, 0.98);
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: stretch;
    padding: .75rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link { padding: .9rem 1rem; }
  .nav-link::after { display: none; }

  .card-grid,
  .stat-row,
  .form-grid,
  .product-grid,
  .case-grid,
  .home-about-metrics {
    grid-template-columns: 1fr;
  }

  .product-grid.is-bento .product-card.is-feature {
    grid-column: span 1;
  }

  .news-row,
  .news-row.no-thumb {
    grid-template-columns: 64px 1fr;
  }

  .news-thumb { display: none; }

  .partner-row { grid-template-columns: repeat(2, 1fr); }

  .hero-content { padding: 4rem 0 4.5rem; }
  .hero-scroll { display: none; }
  .hero-dots { left: 1.25rem; }
  .section { padding: 3.5rem 0; }
  .section-head { flex-direction: column; align-items: start; }
}

@media (max-width: 480px) {
  .container { width: min(100% - 1.5rem, var(--container)); }
  .honor-grid { grid-template-columns: 1fr; }
  .brand-text small { display: none; }
}