/* ============================================================
   朗特时光 Langte Time — 现代风格样式
   设计语言：浅色冷调 + 青蓝渐变 + 玻璃拟态 + 大圆角卡片
   ============================================================ */

:root {
  --c-bg: #f7fafd;
  --c-surface: #ffffff;
  --c-ink: #0f1c2e;
  --c-ink-2: #48586e;
  --c-ink-3: #8595ab;
  --c-line: #e3eaf3;
  --c-cyan: #22d3ee;
  --c-indigo: #6366f1;
  --grad: linear-gradient(120deg, #22d3ee 0%, #4f8ef7 55%, #6366f1 100%);
  --grad-soft: linear-gradient(120deg, rgba(34, 211, 238, .12), rgba(99, 102, 241, .12));
  --shadow-sm: 0 2px 10px rgba(23, 42, 74, .06);
  --shadow-md: 0 12px 32px -8px rgba(23, 42, 74, .14);
  --shadow-lg: 0 28px 64px -16px rgba(23, 42, 74, .22);
  --radius: 18px;
  --radius-lg: 28px;
  --header-h: 72px;
  --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI",
          "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- 通用元件 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn svg { transition: transform .25s ease; }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 26px -8px rgba(79, 142, 247, .55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -8px rgba(79, 142, 247, .6); }

.btn-ghost {
  border-color: var(--c-line);
  background: rgba(255, 255, 255, .7);
  color: var(--c-ink);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--c-cyan); color: #0e7490; transform: translateY(-2px); }

.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; justify-content: center; }

.section { padding: 104px 0; }

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: #0e7490;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: .01em;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 滚动入场动画 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22, .8, .36, 1), transform .7s cubic-bezier(.22, .8, .36, 1);
}
.reveal.in { opacity: 1; transform: none; }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .24s; }
.delay-3 { transition-delay: .36s; }

/* ---------- 顶部导航 ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(18px) saturate(1.6);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  border-bottom-color: var(--c-line);
  box-shadow: var(--shadow-sm);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { display: grid; place-items: center; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 18px; font-weight: 800; letter-spacing: .04em; }
.brand-text small { font-size: 11px; color: var(--c-ink-3); letter-spacing: .22em; text-transform: uppercase; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink-2);
}
.site-nav > a:not(.btn) { position: relative; padding: 6px 0; transition: color .25s; }
.site-nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.site-nav > a:not(.btn):hover { color: var(--c-ink); }
.site-nav > a:not(.btn):hover::after,
.site-nav > a:not(.btn):focus-visible::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 0;
}
.nav-toggle span {
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink);
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 Hero ---------- */

.hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 96px;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
}
.blob-a { width: 520px; height: 520px; top: -180px; right: -120px; background: radial-gradient(circle, rgba(34, 211, 238, .55), transparent 65%); }
.blob-b { width: 460px; height: 460px; bottom: -220px; left: -140px; background: radial-gradient(circle, rgba(99, 102, 241, .45), transparent 65%); }

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 28, 46, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 28, 46, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .75);
  border: 1px solid var(--c-line);
  backdrop-filter: blur(8px);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-ink-2);
  box-shadow: var(--shadow-sm);
}
.badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 4px rgba(79, 142, 247, .18);
}

.hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(38px, 5.6vw, 62px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: .01em;
}

.hero-sub {
  max-width: 480px;
  font-size: 17px;
  color: var(--c-ink-2);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: start;
  gap: 40px;
  margin-top: 52px;
}
.hero-stats dt {
  font-size: 30px;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.hero-stats dd { font-size: 13px; color: var(--c-ink-3); margin-top: 2px; }

.hero-visual { position: relative; min-height: 460px; }

.hero-card {
  position: absolute;
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, .8);
}
.hero-card img { width: 100%; object-fit: cover; aspect-ratio: 16 / 10; }
.hero-card figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
}
.hero-card figcaption strong { font-size: 15.5px; }
.hero-card figcaption span { font-size: 12.5px; color: var(--c-ink-3); }

.hero-card:first-child {
  width: 78%;
  top: 6%;
  right: 0;
  transform: rotate(1.5deg);
  animation: float-a 7s ease-in-out infinite;
}
.hero-card-2 {
  width: 56%;
  bottom: 0;
  left: 0;
  transform: rotate(-2deg);
  animation: float-b 8.5s ease-in-out infinite;
  z-index: 2;
}

@keyframes float-a { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }
@keyframes float-b { 0%, 100% { translate: 0 0; } 50% { translate: 0 12px; } }

.float-chip {
  position: absolute;
  z-index: 3;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .9);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ink-2);
}
.chip-a { top: 2%; left: 4%; animation: float-a 6s ease-in-out infinite; }
.chip-b { bottom: 12%; right: 2%; animation: float-b 7s ease-in-out infinite; }

/* ---------- 关于我们 ---------- */

.about { background: var(--c-surface); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 72px;
  align-items: center;
}

.about-media { position: relative; }
.about-photo {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}
.about-badge {
  position: absolute;
  right: -18px;
  bottom: 30px;
  background: var(--grad);
  color: #fff;
  border-radius: var(--radius);
  padding: 18px 24px;
  text-align: center;
  box-shadow: 0 16px 36px -10px rgba(79, 142, 247, .6);
}
.about-badge strong { display: block; font-size: 30px; font-weight: 800; }
.about-badge span { font-size: 12.5px; opacity: .92; }

.about-copy > p { color: var(--c-ink-2); margin-top: 18px; }

.value-list {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
}
.value-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.value-list li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(34, 211, 238, .45);
}
.value-icon {
  font-size: 22px;
  line-height: 1.3;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--grad-soft);
  flex-shrink: 0;
}
.value-list strong { font-size: 15.5px; display: block; margin-bottom: 3px; }
.value-list p { font-size: 13.5px; color: var(--c-ink-3); line-height: 1.6; }

/* ---------- 产品区 ---------- */

.products {
  background:
    radial-gradient(ellipse 60% 40% at 85% 0%, rgba(34, 211, 238, .08), transparent),
    radial-gradient(ellipse 50% 36% at 0% 100%, rgba(99, 102, 241, .07), transparent),
    var(--c-bg);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.section-note { color: var(--c-ink-3); font-size: 14px; padding-bottom: 6px; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 42px 0 34px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
  color: var(--c-ink-2);
  font-size: 14px;
  font-weight: 600;
  transition: all .28s ease;
}
.filter-btn:hover { border-color: var(--c-cyan); color: #0e7490; }
.filter-btn.active {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(79, 142, 247, .55);
}
.filter-btn .count {
  display: inline-block;
  margin-left: 6px;
  font-size: 12px;
  opacity: .75;
  font-variant-numeric: tabular-nums;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: transform .35s cubic-bezier(.22, .8, .36, 1), box-shadow .35s, border-color .35s;
  animation: card-in .5s cubic-bezier(.22, .8, .36, 1) backwards;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(34, 211, 238, .5);
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
  to { opacity: 1; transform: none; }
}

.product-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--grad-soft);
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.22, .8, .36, 1);
}
.product-card:hover .product-thumb img { transform: scale(1.07); }

.product-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 28, 46, .45);
  backdrop-filter: blur(8px);
}

.product-view {
  position: absolute;
  inset: auto 14px 14px auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 20px -4px rgba(79, 142, 247, .6);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s, transform .3s;
}
.product-card:hover .product-view { opacity: 1; transform: none; }

.product-info { padding: 20px 22px 22px; }
.product-info h3 { font-size: 17px; font-weight: 700; }
.product-info p {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--c-ink-3);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 70px 20px;
  color: var(--c-ink-3);
  background: rgba(255, 255, 255, .6);
  border: 1px dashed var(--c-line);
  border-radius: var(--radius-lg);
}

/* ---------- 联系我们 ---------- */

.contact { background: var(--c-surface); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info > p { color: var(--c-ink-2); margin-top: 16px; max-width: 440px; }

.contact-cards { margin-top: 36px; display: grid; gap: 14px; }
.contact-cards li > a, .contact-cards li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.contact-cards a:hover, .contact-cards li:hover {
  transform: translateX(6px);
  border-color: rgba(34, 211, 238, .5);
  box-shadow: var(--shadow-md);
}
.c-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-size: 21px;
  border-radius: 14px;
  background: var(--grad-soft);
  flex-shrink: 0;
}
.contact-cards small { display: block; font-size: 12.5px; color: var(--c-ink-3); }
.contact-cards strong { font-size: 15.5px; font-weight: 700; }

.contact-form {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: var(--shadow-md);
}
.contact-form h3 { font-size: 20px; font-weight: 800; margin-bottom: 22px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-form label { display: block; margin-bottom: 16px; }
.contact-form label span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink-2);
  margin-bottom: 7px;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 12px;
  border: 1.5px solid var(--c-line);
  background: #fff;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--c-ink);
  resize: vertical;
  transition: border-color .25s, box-shadow .25s;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .15);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--c-ink-3); }

.form-hint { margin-top: 14px; font-size: 12.5px; color: var(--c-ink-3); text-align: center; }

/* ---------- 页脚 ---------- */

.site-footer {
  background: #0d1b2e;
  color: #c6d2e2;
  padding: 56px 0 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer-brand strong { font-size: 20px; color: #fff; letter-spacing: .04em; }
.footer-brand em { font-style: normal; font-size: 13px; font-weight: 500; color: #7dd3fc; letter-spacing: .16em; margin-left: 8px; }
.footer-brand p { margin-top: 12px; font-size: 13.5px; line-height: 1.8; color: #8fa1ba; }

.footer-nav { display: flex; gap: 28px; font-size: 14.5px; }
.footer-nav a { opacity: .8; transition: opacity .25s, color .25s; }
.footer-nav a:hover { opacity: 1; color: #7dd3fc; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  color: #8fa1ba;
}
.footer-bottom a:hover { color: #7dd3fc; }

/* ---------- 产品详情弹窗 ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  transition: opacity .3s ease, visibility .3s;
}
.modal.open { visibility: visible; opacity: 1; }

.modal-backdrop { position: absolute; inset: 0; background: rgba(10, 20, 36, .55); backdrop-filter: blur(6px); }

.modal-panel {
  position: relative;
  width: min(760px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(.97);
  transition: transform .35s cubic-bezier(.22, .8, .36, 1);
}
.modal.open .modal-panel { transform: none; }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, .85);
  color: var(--c-ink);
  box-shadow: var(--shadow-sm);
  transition: transform .25s, background .25s;
}
.modal-close:hover { transform: rotate(90deg); background: #fff; }

.modal-body img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.modal-text { padding: 26px 30px 30px; }
.modal-text .product-cat-line {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: #0e7490;
}
.modal-text h3 { font-size: 24px; font-weight: 800; margin: 8px 0 14px; }
.modal-text p { color: var(--c-ink-2); font-size: 15px; }

.modal-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.modal-tags span {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #0e7490;
  background: var(--grad-soft);
  border: 1px solid rgba(34, 211, 238, .35);
}

.modal-cta { margin-top: 26px; }

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { min-height: 380px; max-width: 560px; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-media { max-width: 520px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .hero { padding-top: calc(var(--header-h) + 44px); padding-bottom: 64px; }

  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 18px 24px 26px;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
  }
  .site-nav.open { transform: none; opacity: 1; visibility: visible; }
  .site-nav > a:not(.btn) { padding: 12px 4px; font-size: 16px; }
  .site-nav .btn { margin-top: 10px; justify-content: center; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px 32px; }
  .value-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media (max-width: 560px) {
  .container { width: calc(100% - 36px); }
  .product-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 300px; }
  .hero-card:first-child { width: 88%; }
  .hero-card-2 { width: 62%; }
  .about-badge { right: 10px; padding: 13px 18px; }
  .about-badge strong { font-size: 24px; }
  .contact-form { padding: 26px 20px; }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}