/* ============================================
   佐为科技 —Organic / Natural Design System
   侘寂美学 · 大地色系 · 有机形态   ============================================ */
*, *::before, *::after { margin:0; padding:0; box-sizing: border-box; }

:root {
  /* === Organic Design Tokens === */
  --bg:        #FDFCF8;  /* Rice Paper */
  --fg:        #2C2C24;  /* Deep Loam */
  --primary:   #3C3633;  /* Warm Charcoal */
  --pri-fg:   #F3F4F1;  /* Pale Mist */
  --secondary: #C18C5D;  /* Terracotta */
  --sec-fg:   #FFFFFF;
  --accent:    #E6DCCD;  /* Sand */
  --acc-fg:   #4A4A40;  /* Bark */
  --muted:     #F0EBE5;  /* Stone */
  --mut-fg:   #78786C;  /* Dried Grass */
  --border:    #DED8CF;  /* Raw Timber */
  --danger:   #A85448;  /* Burnt Sienna */

  --ff-serif:  'Fraunces', 'Noto Serif SC', Georgia, serif;
  --ff-sans:   'Nunito', 'Noto Sans SC', 'Helvetica Neue', sans-serif;

  --shadow-soft:  0 4px 20px -2px rgba(60,54,51,0.15);
  --shadow-float: 0 10px 40px -10px rgba(193,140,93,0.2);
  --shadow-hover: 0 20px 40px -10px rgba(60,54,51,0.18);
  --radius-pill:  9999px;
  --radius-lg:    2rem;
  --radius-xl:    3rem;
}

html { scroll-behavior: smooth; font-size: 17px; overflow-x: hidden; }
body {
  font-family: var(--ff-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}
/* === Paper Grain Texture Overlay === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 400px 400px;
}

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

/* === Reveal Animation === */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.42s; }

/* === Navigation —Floating Pill === */
.nav {
  position: fixed; top: 1rem; left: 50%; transform: translateX(-50%);
  z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.5rem;
  width: min(92vw, 1100px);
  background: rgba(253,252,248,0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(222,216,207,0.45);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s ease;
}
.nav.scrolled { top: 0.75rem; box-shadow: var(--shadow-float); }
.nav-logo {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
  margin: 0 auto;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mut-fg);
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--secondary);
  border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { width: 70%; }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after { width: 70%; background: var(--primary); }

.nav-menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-menu-btn span { display: block; width: 22px; height: 2px; background: var(--fg); margin: 5px 0; border-radius: 2px; transition: all 0.3s; }

/* === Blob Utility === */
.blob1 { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
.blob2 { border-radius: 40% 60% 70% 30% / 40% 70% 30% 60%; }
.blob3 { border-radius: 70% 30% 50% 50% / 30% 50% 70% 50%; }
.blob4 { border-radius: 30% 70% 60% 40% / 70% 40% 30% 60%; }

/* === Buttons (strict DS: pill, h-12 default, px-8~10) === */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.95rem 2.8rem;
  min-height: 48px;
  background: var(--primary);
  color: var(--pri-fg);
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none; border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-primary:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 6px 24px -4px rgba(60,54,51,0.3);
  background: #2E2A27;
}
.btn-primary:active { transform: scale(0.95); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2.6rem;
  min-height: 48px;
  background: transparent;
  color: var(--secondary);
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 2px solid var(--secondary);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-secondary:hover {
  background: var(--secondary);
  color: var(--sec-fg);
  transform: scale(1.04) translateY(-1px);
  box-shadow: var(--shadow-float);
}
.btn-secondary:active { transform: scale(0.95); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.95rem 2.8rem;
  min-height: 48px;
  background: #EEEDE8;
  color: var(--primary);
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1.5px solid #D5D3CE;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-ghost:hover { background: #E3E1DA; border-color: #C8C6C0; transform: translateY(-1px); }
.btn-ghost:active { transform: scale(0.95); }

/* === Section Label === */
.section-label {
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 1rem;
}
.section-label::before,
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.section-label::before { flex: 0 0 2.5rem; }
.section-label-center { justify-content: center; }
.section-label-center::before,
.section-label-center::after { flex: 1; }

/* === HOME —Hero (Redesigned) === */
.hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 6vw 4rem;
  position: relative;
  overflow: hidden;

  /* Background image */
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Left gradient overlay for text readability */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(253, 252, 248, 0.92) 0%,
    rgba(253, 252, 248, 0.72) 35%,
    rgba(253, 252, 248, 0.25) 58%,
    transparent 75%
  );
}

/* Bottom fade to white for seamless transition to next section */
.hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 180px;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(253, 252, 248, 1) 0%,
    rgba(253, 252, 248, 0.85) 35%,
    transparent 100%
  );
}

/* Ambient Blobs (hidden while using background image) */
/*
.hero-blob {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.hero-blob-a {
  top: -10%; right: -5%;
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle at 40% 40%, rgba(60,54,51,0.08) 0%, rgba(230,220,205,0.06) 50%, transparent 70%);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: blobDrift 20s ease-in-out infinite alternate;
}
.hero-blob-b {
  bottom: 15%; left: -8%;
  width: 35vw; height: 35vw;
  max-width: 420px; max-height: 420px;
  background: radial-gradient(circle at 60% 60%, rgba(193,140,93,0.07) 0%, transparent 65%);
  border-radius: 40% 60% 70% 30% / 40% 70% 30% 60%;
  animation: blobDrift 26s ease-in-out infinite alternate-reverse;
}
.hero-blob-c {
  top: 35%; right: 20%;
  width: 18vw; height: 18vw;
  max-width: 220px; max-height: 220px;
  background: radial-gradient(circle at 50% 50%, rgba(60,54,51,0.05) 0%, transparent 60%);
  border-radius: 70% 30% 50% 50% / 30% 50% 50% 70%;
  animation: blobDrift 16s ease-in-out infinite alternate;
}
@keyframes blobDrift {
  0%   { transform: translate(0, 0) rotate(0deg); }
  50%  { transform: translate(25px, -15px) rotate(6deg); }
  100% { transform: translate(-15px, 10px) rotate(-4deg); }
}
*/

/* Hero Inner Layout */
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  flex: 1;
}

/* Left: Content */
.hero-content { max-width: 760px; }
.hero-eyebrow {
  font-family: var(--ff-sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 2.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--secondary);
  border-radius: 1px;
  flex-shrink: 0;
}
.hero-title {
  margin-bottom: 2.6rem;
}
.hero-title-sub {
  display: block;
  font-family: var(--ff-serif);
  font-size: clamp(2.8rem, 5.2vw, 4.5rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--mut-fg);
}
.hero-title-main {
  display: block;
  font-family: var(--ff-serif);
  font-size: clamp(4.2rem, 9vw, 8rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.hero-desc {
  font-size: 1.5rem;
  line-height: 1.9;
  color: var(--mut-fg);
  max-width: 600px;
  margin-bottom: 2.6rem;
}
.hero-cta {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  flex-wrap: wrap;
}
.hero-cta .btn-primary {
  padding: 1.05rem 3.2rem;
  font-size: 1rem;
}
.hero-cta .btn-ghost {
  padding: 0.95rem 2.4rem;
  font-size: 1rem;
}

/* Right: Visual Blob Frame (hidden while using background image) */
/*
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-blob-frame {
  width: 440px; height: 440px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-blob-inner {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(60,54,51,0.08) 0%, rgba(193,140,93,0.06) 50%, rgba(230,220,205,0.1) 100%);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: blobDrift 14s ease-in-out infinite alternate;
}
.hero-blob-ring {
  position: absolute;
  inset: 20px;
  border: 1.5px solid rgba(60,54,51,0.12);
  border-radius: 40% 60% 70% 30% / 40% 70% 30% 60%;
  animation: blobDrift 18s ease-in-out infinite alternate-reverse;
}
*/

/* === HOME — Philosophy (Values) — 深色大气版 === */
.philosophy {
  padding: 9rem 6vw;
  background: var(--primary);
  color: var(--pri-fg);
  position: relative;
  overflow: hidden;
}
.philosophy::before {
  content: '';
  position: absolute;
  top: -20%; left: -10%;
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, rgba(230,220,205,0.08) 0%, transparent 70%);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  pointer-events: none;
}
.philosophy .section-label { color: var(--accent); font-size: 1.15rem; }
.philosophy .section-label::before,
.philosophy .section-label::after {
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.5rem;
  max-width: 1200px;
  margin: 4.5rem auto 0;
}

.philosophy-card {
  padding: 3rem 2.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(222,216,207,0.15);
  border-radius: var(--radius-lg);
}

.philosophy-card-num {
  font-family: var(--ff-serif);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  opacity: 0.5;
  margin-bottom: 1.8rem;
}

.philosophy-card-title {
  font-family: var(--ff-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--pri-fg);
}

.philosophy-card-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(243,244,241,0.7);
}

/* === HOME — Pillars === */
.pillars {
  padding: 9rem 6vw;
  background: #FEFEFA;
  position: relative;
  overflow: hidden;
}
.pillars::after {
  content: '';
  position: absolute;
  bottom: -20%; right: -5%;
  width: 40vw; height: 40vw;
  max-width: 500px; max-height: 500px;
  background: radial-gradient(circle, rgba(230,220,205,0.2) 0%, transparent 70%);
  border-radius: 30% 70% 60% 40% / 70% 40% 30% 60%;
  pointer-events: none;
}
.pillars-header { max-width: 580px; margin-bottom: 5rem; }
.pillars-label { color: var(--secondary); }
.pillars-title {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.28;
  margin-top: 0.8rem;
  color: var(--fg);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.pillar-card {
  padding: 2.8rem 2.2rem 2.5rem;
  background: #FEFEFA;
  border: 1px solid rgba(222,216,207,0.45);
  transition: all 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}
/* Asymmetric radii —each card different */
.pillar-card:nth-child(1) { border-radius: var(--radius-lg) var(--radius-xl) var(--radius-lg) var(--radius-lg); }
.pillar-card:nth-child(2) { border-radius: var(--radius-xl) var(--radius-lg) var(--radius-xl) var(--radius-lg); }
.pillar-card:nth-child(3) { border-radius: var(--radius-lg) var(--radius-lg) var(--radius-xl) var(--radius-xl); }

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(60,54,51,0.2);
}
.pillar-num {
  font-family: var(--ff-serif);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  opacity: 0.7;
  margin-bottom: 1.5rem;
}
.pillar-name {
  font-family: var(--ff-serif);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--fg);
}
.pillar-desc {
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--mut-fg);
}

/* === HOME —Use Cases === */
.use-cases {
  padding: 9rem 6vw;
  background: var(--accent);
  position: relative;
  overflow: hidden;
}
.use-cases::before {
  content: '';
  position: absolute;
  top: -20%; left: -10%;
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, transparent 70%);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  pointer-events: none;
}
.use-cases-header { max-width: 580px; margin-bottom: 5rem; }
.use-cases-title {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.28;
  margin-top: 0.8rem;
  color: var(--acc-fg);
}
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.use-case-card {
  padding: 2.2rem 1.8rem;
  background: rgba(254,254,250,0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(222,216,207,0.4);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.use-case-card:nth-child(1) { border-radius: var(--radius-xl) var(--radius-lg) var(--radius-lg) var(--radius-lg); }
.use-case-card:nth-child(2) { border-radius: var(--radius-lg) var(--radius-xl) var(--radius-lg) var(--radius-lg); }
.use-case-card:nth-child(3) { border-radius: var(--radius-lg) var(--radius-lg) var(--radius-xl) var(--radius-lg); }
.use-case-card:nth-child(4) { border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-xl); }

.use-case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px -8px rgba(193,140,93,0.2);
}
.use-case-num {
  font-family: var(--ff-serif);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
}
.use-case-name {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
  color: var(--acc-fg);
}
.use-case-desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mut-fg);
  margin-bottom: 1.2rem;
}
.use-case-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.use-case-tags span {
  padding: 0.2rem 0.65rem;
  background: rgba(193,140,93,0.12);
  font-size: 0.78rem;
  color: var(--secondary);
  letter-spacing: 0.03em;
  border-radius: var(--radius-pill);
}

/* === HOME —Products (Horizontal Scroll) === */
.products {
  padding: 9rem 6vw;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.products-inner { padding: 0; }
.products-header {
  max-width: 580px;
  margin-bottom: 5rem;
}
.products-title {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.28;
  margin-top: 0.8rem;
}
.products-track {
  display: flex;
  gap: 2rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0.5rem 2vw 1.5rem;
  overflow-x: auto;
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
  scroll-snap-type: x mandatory;
  /* 隐藏滚动条，保持视觉干净 */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.products-track::-webkit-scrollbar { display: none; }

.product-card-h {
  flex: 0 0 auto;
  width: clamp(260px, 30vw, 340px);
  scroll-snap-align: start;
  background: #FEFEFA;
  border: 1px solid rgba(222,216,207,0.4);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.product-card-h:nth-child(1) { border-radius: var(--radius-xl) var(--radius-lg) var(--radius-lg) var(--radius-lg); }
.product-card-h:nth-child(2) { border-radius: var(--radius-lg) var(--radius-xl) var(--radius-lg) var(--radius-lg); }
.product-card-h:nth-child(3) { border-radius: var(--radius-lg) var(--radius-lg) var(--radius-xl) var(--radius-lg); }
.product-card-h:nth-child(4) { border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-xl); }
.product-card-h:nth-child(5) { border-radius: var(--radius-xl) var(--radius-lg) var(--radius-xl) var(--radius-lg); }

.product-card-h:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.product-visual {
  height: 210px;
  background: linear-gradient(135deg, #f5f0e8 0%, #ebe5d8 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-visual::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 50px;
  background: linear-gradient(transparent, white);
}
.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0; left: 0;
}
.product-tag {
  position: absolute; top: 1rem; left: 1rem;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--secondary);
  background: rgba(253,252,248,0.85);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
}
.product-info { padding: 1.6rem 1.8rem 2rem; }
.product-name {
  font-family: var(--ff-serif);
  font-size: 1.25rem; font-weight: 700;
  margin-bottom: 0.5rem; color: var(--fg);
}
.product-desc {
  font-size: 0.95rem; line-height: 1.75;
  color: var(--mut-fg);
}

/* === HOME —Cases === */
.cases {
  padding: 9rem 6vw;
  background: #FEFEFA;
  position: relative;
  overflow: hidden;
}
.cases::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 20% 80%, rgba(230,220,205,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.cases-header { max-width: 580px; margin-bottom: 5rem; }
.cases-title {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.28;
  margin-top: 0.8rem;
}
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.case-card {
  position: relative; overflow: hidden;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.case-card:nth-child(1) {
  border-radius: var(--radius-xl) var(--radius-lg) var(--radius-lg) var(--radius-xl);
  min-height: 420px;
}
.case-card:nth-child(2) {
  border-radius: var(--radius-lg) var(--radius-xl) var(--radius-xl) var(--radius-lg);
  min-height: 420px;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.case-bg {
  position: absolute; inset: 0;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.case-card:nth-child(1) .case-bg {
  background-image: url('../images/image66.png');
  background-size: cover;
  background-position: center;
}
.case-card:nth-child(2) .case-bg {
  background-image: url('../images/image107.jpg');
  background-size: cover;
  background-position: center;
}
.case-card:hover .case-bg { transform: scale(1.06); }
.case-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2.5rem 2rem 2rem;
  background: linear-gradient(transparent, rgba(44,44,36,0.72));
  color: white; z-index: 1;
}
.case-category {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  opacity: 0.65; margin-bottom: 0.6rem;
}
.case-name {
  font-family: var(--ff-serif);
  font-size: 1.35rem; font-weight: 700;
  margin-bottom: 0.4rem;
}
.case-desc {
  font-size: 0.92rem; line-height: 1.7;
  opacity: 0.82;
}

/* === CTA === */
.cta-section {
  padding: 9rem 6vw;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary), #2E2A27);
  z-index: 0;
}
.cta-section::after {
  content: '';
  position: absolute;
  top: -20%; right: -5%;
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, rgba(230,220,205,0.15) 0%, transparent 70%);
  border-radius: 40% 60% 70% 30% / 40% 70% 30% 60%;
  pointer-events: none; z-index: 0;
}
.cta-content { position: relative; z-index: 1; }
.cta-title {
  font-family: var(--ff-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  color: var(--pri-fg);
  margin-bottom: 1.2rem;
  line-height: 1.25;
}
.cta-desc {
  font-size: 1.05rem;
  color: rgba(243,244,241,0.6);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.85;
}
.cta-buttons { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }

/* === Footer === */
.footer {
  background: var(--fg);
  color: rgba(255,255,255,0.4);
  padding: 3rem 6vw;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.85rem;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}
.footer-name {
  font-family: var(--ff-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--pri-fg);
  letter-spacing: 0.02em;
}
.footer-tag {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--secondary);
}
.footer-meta {
  display: flex;
  align-items: center;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.footer-icp {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-icp:hover { color: var(--secondary); }

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }
}

/* === ABOUT PAGE —Page Hero === */
.page-hero {
  min-height: 55vh;
  display: flex; align-items: center;
  padding: 10rem 6vw 5rem;
  position: relative; overflow: hidden;
  background: var(--primary);
  color: var(--pri-fg);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -5%;
  width: 50vw; height: 50vw;
  max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, rgba(230,220,205,0.12) 0%, transparent 70%);
  border-radius: 70% 30% 50% 50% / 30% 50% 70% 50%;
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; max-width: 680px; }
.page-hero-label {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.2rem;
}
.page-hero-title {
  font-family: var(--ff-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 700; line-height: 1.2;
  margin-bottom: 1.2rem;
}
.page-hero-desc {
  font-size: 1.05rem; line-height: 1.85;
  color: rgba(243,244,241,0.6);
  max-width: 500px;
}

/* About Sections */
.about-section { padding: 8rem 6vw; }
.about-alt { background: #FEFEFA; }
.capability-bg {
  background:
    linear-gradient(rgba(60,54,51,0.92), rgba(60,54,51,0.92)),
    url('../images/about-circuit.jpg') center/cover no-repeat;
  color: var(--pri-fg);
}
.capability-bg .about-title,
.capability-bg .pillar-name,
.capability-bg .pillar-num { color: var(--pri-fg); }
.capability-bg .pillar-desc,
.capability-bg .section-label { color: rgba(243,244,241,0.75); }
.capability-bg .pillar-card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.about-header { max-width: 580px; margin-bottom: 4rem; }
.about-header-center { text-align: center; margin: 0 auto 4rem; }
.about-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700; line-height: 1.28;
  margin-top: 0.8rem; color: var(--fg);
}
.about-grid-2 {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
  max-width: 1100px; margin: 0 auto;
}
.about-grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; max-width: 1000px; margin: 0 auto;
}
.about-text p {
  font-size: 0.98rem; line-height: 1.95;
  color: var(--mut-fg); margin-bottom: 1.3rem;
}
.about-text .lead {
  font-size: 1.1rem; color: var(--fg); font-weight: 600;
}

/* About Visual —organic shape */
.about-visual {
  background: linear-gradient(135deg, #ece8df, #ddd8cc);
  min-height: 380px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  border-radius: 40% 60% 70% 30% / 40% 70% 30% 60%;
}
.about-visual-text {
  font-family: var(--ff-serif);
  font-size: 4.5rem; font-weight: 800;
  color: var(--primary);
  opacity: 0.12;
  letter-spacing: 0.05em;
}
.about-visual-img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: contain;
  object-position: center;
  padding: 1.4rem;
  background: var(--bg);
  border-radius: 40% 60% 70% 30% / 40% 70% 30% 60%;
}

/* Timeline */
.timeline {
  max-width: 760px; margin: 0 auto;
  position: relative; padding-left: 3rem;
  padding-top: 1rem; padding-bottom: 1rem;
}
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--secondary), var(--border));
  border-radius: 2px;
}
.timeline-item { position: relative; padding-bottom: 3.5rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -3rem; top: 0.25rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--secondary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--secondary);
  transform: translateX(-5px);
}
.timeline-date {
  font-family: var(--ff-serif);
  font-size: 1.05rem; font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.4rem; letter-spacing: 0.02em;
}
.timeline-title {
  font-family: var(--ff-serif);
  font-size: 1.25rem; font-weight: 700;
  color: var(--fg); margin-bottom: 0.4rem;
}
.timeline-desc {
  font-size: 0.98rem; line-height: 1.8;
  color: var(--mut-fg); max-width: 500px;
}

/* Partners & Cooperation */
.results-lead {
  font-size: 1.05rem; line-height: 1.85; color: var(--mut-fg);
  max-width: 640px; margin: 3rem auto 0; text-align: center;
}
.coop-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; max-width: 1100px; margin: 3.5rem auto 0;
}
.coop-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(222,216,207,0.5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s;
}
.coop-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.coop-visual {
  height: 200px; overflow: hidden; position: relative;
  background: var(--accent);
}
.coop-img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
}
.coop-body { padding: 1.8rem 1.6rem 2rem; }
.coop-tag {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--secondary);
  margin-bottom: 0.55rem;
}
.coop-title {
  font-family: var(--ff-serif);
  font-size: 1.15rem; font-weight: 700; color: var(--fg);
  margin-bottom: 0.5rem; line-height: 1.4;
}
.coop-desc {
  font-size: 0.92rem; line-height: 1.7; color: var(--mut-fg);
}

/* Stats Wall (合作与成果数据墙) */
.stats-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 980px;
  margin: 1rem auto 0;
}
.stat-item {
  text-align: center;
  padding: 2.6rem 1.4rem;
  background: var(--accent);
  border: 1px solid rgba(222,216,207,0.4);
  border-radius: var(--radius-lg);
}
.stat-num {
  font-family: var(--ff-serif);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}
.stat-label {
  margin-top: 0.7rem;
  font-size: 1rem;
  color: var(--acc-fg);
  letter-spacing: 0.02em;
}
.stats-note {
  max-width: 820px;
  margin: 2.6rem auto 0;
  text-align: center;
  color: var(--mut-fg);
  font-size: 1rem;
  line-height: 1.85;
}

/* Org Nodes */
.org-section { padding: 8rem 6vw; position: relative; overflow: hidden; }
.org-header { text-align: center; margin-bottom: 5rem; }
.org-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem; max-width: 960px; margin: 0 auto;
}
.org-card {
  text-align: center;
  padding: 0;
  background: #FEFEFA;
  border: 1px solid rgba(222,216,207,0.45);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.org-card:nth-child(1) { border-radius: var(--radius-xl) var(--radius-lg) var(--radius-lg) var(--radius-lg); }
.org-card:nth-child(2) { border-radius: var(--radius-lg) var(--radius-xl) var(--radius-lg) var(--radius-lg); }
.org-card:nth-child(3) { border-radius: var(--radius-lg) var(--radius-lg) var(--radius-xl) var(--radius-lg); }

.org-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.org-card-body {
  padding: 2.5rem 1.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.org-card-img-top .org-card-body {
  padding-top: 1.6rem;
}
.org-card-visual {
  width: 100%;
  height: 170px;
  overflow: hidden;
  flex-shrink: 0;
}
.org-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.org-card-img-top:nth-child(2) .org-card-visual {
  border-radius: var(--radius-lg) var(--radius-xl) 0 0;
}
.org-icon {
  width: 72px; height: 72px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), #d4a06e);
  display: flex; align-items: center; justify-content: center;
}
.org-icon-text {
  font-family: var(--ff-serif);
  font-size: 1.5rem; font-weight: 800;
  color: white;
}
.org-card-title {
  font-family: var(--ff-serif);
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 0.4rem; color: var(--fg);
}
.org-card-desc {
  font-size: 0.92rem; line-height: 1.75;
  color: var(--mut-fg);
}

/* === PRODUCTS PAGE === */
.product-detail-section { padding: 8rem 6vw; }
.product-detail-alt { background: #FEFEFA; }
.product-detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 2rem; max-width: 1100px; margin: 0 auto;
}
.product-detail-card {
  padding: 2.5rem 2rem;
  background: #FEFEFA;
  border: 1px solid rgba(222,216,207,0.45);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.product-detail-card:nth-child(odd) { border-radius: var(--radius-xl) var(--radius-lg) var(--radius-lg) var(--radius-lg); }
.product-detail-card:nth-child(even) { border-radius: var(--radius-lg) var(--radius-xl) var(--radius-lg) var(--radius-lg); }

.product-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.product-detail-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(60,54,51,0.08);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}
.product-detail-icon-text {
  font-family: var(--ff-serif);
  font-size: 1.3rem; font-weight: 800;
  color: var(--primary);
}
.product-detail-title {
  font-family: var(--ff-serif);
  font-size: 1.4rem; font-weight: 700;
  margin-bottom: 0.3rem; color: var(--fg);
}
.product-detail-sub {
  font-size: 0.88rem; color: var(--secondary);
  font-weight: 600; letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}
.product-detail-desc {
  font-size: 0.98rem; line-height: 1.85;
  color: var(--mut-fg);
}
.product-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 1rem; }
.product-tag-item {
  padding: 0.2rem 0.65rem;
  background: rgba(60,54,51,0.07);
  font-size: 0.78rem; color: var(--primary);
  letter-spacing: 0.03em;
  border-radius: var(--radius-pill);
}

/* === CONTACT PAGE === */
.contact-section { padding: 8rem 6vw; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem; align-items: start;
  max-width: 1080px; margin: 0 auto;
}
.contact-info-card {
  background: var(--primary);
  padding: 2.8rem 2.2rem;
  color: var(--pri-fg);
  border-radius: var(--radius-xl) var(--radius-lg) var(--radius-lg) var(--radius-xl);
}
.contact-info-card h3 {
  font-family: var(--ff-serif);
  font-size: 1.5rem; font-weight: 700;
  margin-bottom: 0.4rem;
}
.contact-info-card > p {
  color: rgba(243,244,241,0.5);
  margin-bottom: 2.2rem; font-size: 0.95rem;
}
.contact-item {
  display: flex; align-items: flex-start; gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
}
.contact-icon svg {
  width: 17px; height: 17px;
  stroke: rgba(255,255,255,0.7);
  stroke-width: 1.5; fill: none;
}
.contact-item h4 {
  font-size: 0.9rem; font-weight: 600;
  margin-bottom: 0.15rem;
  color: rgba(255,255,255,0.85);
}
.contact-item p {
  font-size: 0.9rem; color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

.contact-form-wrap {
  background: #FEFEFA;
  padding: 2.8rem 2.5rem;
  border: 1px solid rgba(222,216,207,0.45);
  border-radius: var(--radius-lg) var(--radius-xl) var(--radius-xl) var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.contact-form-wrap h3 {
  font-family: var(--ff-serif);
  font-size: 1.25rem; font-weight: 700;
  margin-bottom: 0.25rem;
}
.contact-form-wrap > p {
  font-size: 0.95rem; color: var(--mut-fg);
  margin-bottom: 1.8rem;
}
.form-group { margin-bottom: 1.3rem; }
.form-group label {
  display: block;
  font-size: 0.85rem; font-weight: 600;
  color: var(--fg); margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.92rem; font-family: var(--ff-sans);
  color: var(--fg); background: rgba(253,252,248,0.6);
  transition: all 0.3s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px rgba(60,54,51,0.18);
  background: rgba(253,252,248,0.9);
}
.form-group textarea { border-radius: var(--radius-lg); min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* FAQ */
.faq-section { padding: 6rem 6vw; background: #FEFEFA; }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(44,44,36,0.08);
  overflow: hidden;
}
.faq-question {
  width: 100%; padding: 1.6rem 0;
  display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; cursor: pointer;
  font-family: var(--ff-sans);
  font-size: 1.08rem; font-weight: 600;
  color: var(--fg); text-align: left;
  transition: color 0.3s;
}
.faq-question:hover { color: var(--secondary); }
.faq-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: transform 0.3s ease;
  color: var(--secondary); font-size: 1.1rem;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), padding 0.4s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px; padding-bottom: 1.5rem;
}
.faq-answer p {
  font-size: 0.98rem; line-height: 1.85;
  color: var(--mut-fg); max-width: 640px;
}

/* === RESPONSIVE === */
@media (max-width: 1200px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-content { max-width: 600px; margin: 0 auto; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { display: none; }
  .hero-blob-a, .hero-blob-b, .hero-blob-c { display: none; }
}
@media (max-width: 1024px) {
  .pillars-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .case-card:nth-child(1),
  .case-card:nth-child(2) { min-height: 320px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .about-grid-2 { grid-template-columns: 1fr; }
  .about-grid-3 { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .coop-grid { grid-template-columns: 1fr; max-width: 420px; }
  .partners-lead { font-size: 0.95rem; }
  .org-grid { grid-template-columns: 1fr; max-width: 380px; }
  .stats-wall { grid-template-columns: 1fr; max-width: 380px; gap: 1.2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav { width: 92vw; padding: 0.6rem 1.2rem; }
  .nav-links { display: none; }
  .nav-menu-btn { display: block; }
  .nav-links.active {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(253,252,248,0.96);
    backdrop-filter: blur(16px);
    padding: 1.5rem; gap: 1.2rem;
    border-bottom: 1px solid rgba(222,216,207,0.4);
    border-radius: 0 0 2rem 2rem;
  }
  .nav-links.active a {
    padding: 0.6rem 1rem;
    border-radius: var(--radius-lg);
    text-align: center;
    width: 100%;
  }
  .hero { padding: 7rem 5vw 2rem; }
  .hero::before {
    background: linear-gradient(
      90deg,
      rgba(253, 252, 248, 0.95) 0%,
      rgba(253, 252, 248, 0.82) 45%,
      rgba(253, 252, 248, 0.45) 70%,
      transparent 100%
    );
  }
  .hero-title { font-size: clamp(2.6rem, 11vw, 4.5rem); }
  .hero-cta { flex-direction: column; align-items: stretch; gap: 1rem; }
  .hero-cta .btn-primary,
  .hero-cta .btn-ghost { justify-content: center; width: 100%; }
  .use-cases-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .philosophy-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .philosophy-card-num { font-size: 2.5rem; }
  .org-card-visual { height: 150px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .form-row { grid-template-columns: 1fr; }
}