/* ========== Design tokens ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --blue: #33a6f2;
  --blue-dark: #1e8fd4;
  --blue-soft: #eef8fe;
  --blue-glow: rgba(51, 166, 242, 0.18);
  --orange: #ff7f00;
  --orange-soft: #fff7ed;
  --teal: #0d9488;
  --teal-soft: #f0fdfa;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --ink: #334155;
  --muted: #4b5563;
  --muted-print: #374151;
  --line: rgba(15, 23, 42, 0.08);
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #f1f5f9;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --text-min: 1rem; /* 18px，全站最小字号 */
  --nav-h: 56px;
  --space-sec: 56px;
  --space-head: 32px;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.2;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* ========== Nav ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.nav-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.nav-logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(145deg, var(--dark), var(--dark-2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.company-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.company-logo-footer {
  height: 32px;
}

.company-logo-lg {
  height: 96px;
  width: auto;
  margin: 0 auto 10px;
}

.nav-logo-text {
  white-space: nowrap;
}

/* 云汇众客产品 logo — 仅用于产品相关区块 */
.product-logo {
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.product-logo-sm {
  max-height: 48px;
}

.product-logo-md {
  max-height: 72px;
}

.product-logo-lg {
  max-height: 96px;
}

.product-logo-hero {
  max-height: 76px;
  margin: 0 auto 8px;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-links a {
  font-size: 1rem;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--dark);
  background: var(--surface-3);
}

.nav-links a.on {
  color: var(--blue);
  font-weight: 600;
  background: var(--blue-soft);
}

.nav-cta {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #3b82f6);
  padding: 9px 20px;
  border-radius: 999px;
  box-shadow: 0 8px 20px var(--blue-glow);
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22);
}

.section-head .eyebrow {
  justify-content: center;
}

.page-top .eyebrow {
  justify-content: center;
}

.nav-menu-btn {
  display: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  font: inherit;
}

.nav-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--dark);
  border-radius: 1px;
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

.nav-menu-btn.open span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-menu-btn.open span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* ========== Layout ========== */
.sec {
  padding: var(--space-sec) 24px;
}

.sec-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.bg-light {
  background: var(--surface-2);
}

.bg-blue {
  background: linear-gradient(135deg, #1e40af 0%, var(--blue) 55%, #3b82f6 100%);
  color: #fff;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-head);
}

.section-head .subhead {
  margin-top: 8px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  opacity: 0.5;
}

/* ========== Typography ========== */
.headline-xl {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--dark);
}

.headline-lg {
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--dark);
}

.headline-md {
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--dark);
}

.subhead {
  font-size: clamp(1rem, 1.8vw, 1.12rem);
  color: var(--muted);
  line-height: 1.65;
}

.text-accent {
  color: var(--blue);
}

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

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 999px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), #3b82f6);
  color: #fff;
  box-shadow: 0 10px 24px var(--blue-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.24);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.8);
  color: var(--blue);
  border: 1.5px solid rgba(37, 99, 235, 0.25);
}

.btn-outline:hover {
  background: var(--blue-soft);
  border-color: rgba(37, 99, 235, 0.4);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue);
  transition: gap 0.2s var(--ease);
}

.link-arrow:hover {
  gap: 10px;
}

.link-arrow::after {
  content: "→";
}

.link-arrow-light {
  color: #fff;
}

/* ========== Hero ========== */
.hero {
  padding-top: var(--nav-h);
  min-height: min(78vh, 400px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(37, 99, 235, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(234, 88, 12, 0.08), transparent 50%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 72%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 85%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 44px 24px 52px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
}

.hero-text .headline-xl {
  margin-bottom: 12px;
}

.hero-text .subhead {
  margin-bottom: 22px;
  max-width: 34em;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-illust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hero-illust-item {
  border-radius: var(--radius);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}

.hero-illust-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hero-illust-item.i-blue {
  background: linear-gradient(145deg, #1d4ed8, #3b82f6);
  color: #fff;
}

.hero-illust-item.i-orange {
  background: linear-gradient(145deg, #c2410c, #f97316);
  color: #fff;
}

.hero-illust-item.i-dark {
  background: linear-gradient(145deg, #0f172a, #334155);
  color: #fff;
}

.hero-illust-item.i-gray {
  background: rgba(255, 255, 255, 0.92);
  color: var(--dark);
  border-color: var(--line);
}

.hero-illust-item h4 {
  font-size: 1rem;
  font-weight: 700;
}

.hero-illust-item span {
  font-size: 1rem;
  opacity: 0.78;
}

/* ========== Spotlight ========== */
.spotlight {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: stretch;
}

.spotlight-card {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 220px;
  box-shadow: var(--shadow-lg);
}

.spotlight-card-product .product-logo {
  max-height: 80px;
}

.spotlight-card-sub {
  font-size: 1rem;
  color: var(--muted);
  text-align: center;
}

.spotlight-body {
  padding: 4px 0;
}

.spotlight-body h2 {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.spotlight-body p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 14px;
  max-width: 52em;
}

.spotlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spotlight-tags span {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 500;
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

/* ========== Cards ========== */
.feat-grid,
.val-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  text-align: left;
}

.feat-item,
.val-item,
.contact-item {
  padding: 22px 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s;
}

.feat-item:hover,
.val-item:hover,
.contact-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, 0.15);
}

.feat-dot {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}

.feat-dot.blue {
  background: linear-gradient(145deg, var(--blue), #60a5fa);
}

.feat-dot.orange {
  background: linear-gradient(145deg, #c2410c, #fb923c);
}

.feat-dot.dark {
  background: linear-gradient(145deg, var(--dark), #475569);
}

.feat-item h3,
.val-item h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.feat-item p,
.val-item p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ========== Stats ========== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stat-item {
  text-align: center;
  padding: 20px 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.stat-item strong {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat-item span {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  color: var(--muted);
}

/* ========== CTA ========== */
.cta-band {
  padding: 22px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.12), transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.08), transparent 40%);
  pointer-events: none;
}

.cta-band > * {
  position: relative;
}

.cta-band .headline-lg {
  color: #fff;
  margin-bottom: 8px;
}

.cta-band .subhead-light {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 20px;
  max-width: 36em;
  margin-left: auto;
  margin-right: auto;
}

/* ========== Page top ========== */
.page-top {
  padding-top: var(--nav-h);
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(37, 99, 235, 0.12), transparent 60%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.page-top .headline-xl {
  padding-top: 44px;
  margin-bottom: 8px;
}

.page-top .subhead {
  max-width: 32em;
  margin-left: auto;
  margin-right: auto;
}

.page-top-actions {
  margin-top: 18px;
}

/* ========== Product page ========== */
.flag-strip {
  max-width: 1120px;
  margin: -20px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.flag-strip-inner {
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  color: #fff;
  border-radius: var(--radius);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  letter-spacing: 0.02em;
}

.prod-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.prod-row:last-child {
  border-bottom: none;
}

.prod-row.rev .prod-info {
  order: 2;
}

.prod-row.rev .prod-visual {
  order: 1;
}

.prod-info .overline {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.prod-info h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.prod-info p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.prod-info ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prod-info li {
  font-size: 1rem;
  color: var(--muted);
  padding-left: 22px;
  position: relative;
}

.prod-info li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px var(--blue-soft);
}

.prod-visual {
  display: flex;
  justify-content: center;
}

.prod-box {
  width: min(100%, 320px);
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.3s var(--ease);
}

.prod-row:hover .prod-box {
  transform: translateY(-4px) scale(1.01);
}

.prod-box.b {
  background: linear-gradient(145deg, #1d4ed8, #60a5fa);
  color: #fff;
}

.prod-box.o {
  background: linear-gradient(145deg, #c2410c, #fb923c);
  color: #fff;
}

.prod-box.t {
  background: linear-gradient(145deg, #0f766e, #2dd4bf);
  color: #fff;
}

.prod-box h4 {
  font-size: 1.2rem;
  font-weight: 700;
}

.prod-box span {
  font-size: 1rem;
  opacity: 0.82;
  text-align: center;
  padding: 0 20px;
}

/* ========== About ========== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: start;
  text-align: left;
}

.about-text h2 {
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.about-text p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.about-company-mark {
  text-align: center;
}

.company-mark-caption {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.5;
  max-width: 12em;
  margin: 0 auto;
}

.mile-row {
  display: flex;
  gap: 16px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.mile-item {
  flex: 1;
  min-width: 100px;
  padding: 14px 12px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--line);
  text-align: center;
}

.mile-item strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.02em;
}

.mile-item span {
  display: block;
  margin-top: 4px;
  font-size: 1rem;
  color: var(--muted);
}

.brand-card {
  max-width: 680px;
  margin: 0 auto;
  background: linear-gradient(160deg, #0f172a, #1e293b 55%, #334155);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: #fff;
  text-align: left;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-card-logo-wrap {
  display: inline-flex;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.brand-card-logo-wrap .product-logo {
  max-height: 52px;
}

.brand-card-sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 12px;
}

.brand-card p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}

.brand-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.brand-card-tags span {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.contact-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.contact-item p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
}

.contact-item a {
  color: var(--blue);
  font-weight: 600;
}

.contact-item a:hover {
  text-decoration: underline;
}

/* ========== Footer ========== */
.footer {
  background: var(--surface-2);
  color: var(--muted);
  padding: 40px 0 20px;
  border-top: 1px solid var(--line);
}

.ft-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.ft-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 24px;
}

.ft-brand .nav-logo {
  color: var(--dark);
  margin-bottom: 8px;
}

.ft-brand p {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 22em;
  color: var(--muted);
}

.ft-col h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ft-col a,
.ft-col .ft-muted {
  display: block;
  font-size: 1rem;
  color: var(--muted);
  padding: 4px 0;
  transition: color 0.2s;
}

.ft-col a:hover {
  color: var(--blue);
}

.ft-bottom {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 1rem;
  color: var(--muted);
}

.ft-bottom a {
  color: var(--muted);
}

.ft-bottom a:hover {
  color: var(--blue);
}

/* ========== Responsive ========== */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 40px;
  }

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

  .spotlight-card {
    min-height: 180px;
  }

  .feat-grid,
  .val-grid,
  .contact-row {
    grid-template-columns: 1fr;
  }

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

  .prod-row,
  .prod-row.rev {
    grid-template-columns: 1fr;
  }

  .prod-row.rev .prod-info,
  .prod-row.rev .prod-visual {
    order: unset;
  }

  .about-intro {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

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

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-menu-btn {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: calc(var(--nav-h) - 1px);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    padding: 12px 16px 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-links.open a {
    width: 100%;
  }

  .sec {
    padding: 44px 20px;
  }

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

  .mile-row {
    flex-direction: column;
  }

  .ft-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ft-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========== 截图 / 打印模式（URL 加 ?print=1） ========== */
html.print-capture {
  --muted: var(--muted-print);
  --ink: #1e293b;
}

html.print-capture body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: subpixel-antialiased;
}

html.print-capture .subhead,
html.print-capture .feat-item p,
html.print-capture .val-item p,
html.print-capture .spotlight-body p,
html.print-capture .prod-info p,
html.print-capture .prod-info li,
html.print-capture .about-text p,
html.print-capture .brand-card p,
html.print-capture .contact-item p,
html.print-capture .ft-brand p,
html.print-capture .ft-col a,
html.print-capture .ft-col .ft-muted,
html.print-capture .ft-bottom,
html.print-capture .ft-bottom a,
html.print-capture .hero-badge,
html.print-capture .spotlight-card-sub,
html.print-capture .hero-illust-item span,
html.print-capture .stat-item span,
html.print-capture .mile-item span {
  color: var(--muted-print);
}

html.print-capture .nav {
  position: absolute;
}

html.print-capture .hero {
  min-height: auto;
}

html.print-capture .btn,
html.print-capture .nav-cta,
html.print-capture .nav-menu-btn {
  box-shadow: none;
}

@media print {
  html {
    font-size: 18px;
  }

  body {
    color: #000;
    background: #fff;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .nav {
    position: static;
    box-shadow: none;
    border-bottom: 1px solid #ddd;
  }

  .hero {
    min-height: auto;
    break-inside: avoid;
  }

  .sec {
    padding: 24pt 0;
    break-inside: avoid-page;
  }

  .cta-band {
    break-inside: avoid;
  }

  .subhead,
  .feat-item p,
  .prod-info li,
  .about-text p,
  .ft-col a,
  .ft-bottom {
    color: #333 !important;
  }

  .btn,
  .nav-cta {
    box-shadow: none;
  }
}