:root {
  --cobalt: #1D4ED8;
  --cobalt-deep: #1536A0;
  --cobalt-soft: #E7EDFB;
  --amber: #FFB020;
  --amber-deep: #EF8E00;
  --amber-soft: #FFF3DA;
  --mint: #0E9C8C;
  --mint-soft: #E1F5F1;
  --ink: #17233B;
  --ink-2: #2A3A65;
  --gray: #5B6472;
  --paper: #F6F4EE;
  --white: #FFFFFF;
  --line: #E7E3D8;
  --line-2: #DED9CC;
  --radius: 0.14rem;
  --radius-lg: 0.2rem;
  --shadow: 0 0.1rem 0.3rem rgba(23, 35, 59, 0.08);
  --shadow-lg: 0 0.24rem 0.6rem rgba(23, 35, 59, 0.14);
  --container: 16rem;
  --sp-16: 0.16rem;
  --sp-24: 0.24rem;
  --sp-32: 0.32rem;
  --sp-48: 0.48rem;
  --sp-64: 0.64rem;
  --sp-88: 0.88rem;
  --head: "Fredoka", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: "Nunito Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}
/* ============ BASE ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: calc(100vw/19.2);
}
@media only screen and (max-width: 1920px) {
  html {
    font-size: 100px;
  }
}
@media only screen and (max-width: 1280px) {
  html {
    font-size: calc(80vw/12.8);
  }
}
@media only screen and (max-width: 1024px) {
  html {
    font-size: calc(90vw/10.24);
  }
}
@media only screen and (max-width: 768px) {
  html {
    font-size: calc(150vw/7.68);
  }
}
body {
  margin: 0;
  font-family: var(--body);
  font-size: 0.16rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--cobalt);
  text-decoration: none;
}
h1,
h2,
h3,
h4 {
  font-family: var(--head);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  color: var(--ink);
  letter-spacing: 0.002rem;
}
p {
  margin: 0;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
}
::selection {
  background: var(--amber);
  color: var(--ink);
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 0.24rem;
}
/* common utility classes */
.is-center {
  text-align: center;
}
.btn-block {
  width: 100%;
}
.section-actions {
  text-align: center;
  margin-top: 0.26rem;
}
.section-divider {
  border-top: 0.01rem solid var(--line);
  margin-top: 0.4rem;
  padding-top: 0.26rem;
}
/* ============ CONTENT (shared article body typography) ============ */
.content,
.intro {
  color: var(--ink-2);
  line-height: 1.75;
}
.content {
  width: 100%;
}
.intro {
  margin-top: 0.18rem;
}
.intro p {
  margin: 0 0 0.16rem;
}
.intro p:last-child {
  margin-bottom: 0;
}
.intro ul,
.content ul {
  margin: 0 0 0.18rem;
  padding-left: 0.34rem;
  list-style: disc;
}
.intro li {
  margin-bottom: 0.08rem;
}
.content p {
  margin: 0 0 0.18rem;
}
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
  font-family: var(--head);
  color: var(--ink);
  line-height: 1.25;
  margin: 0.26rem 0 0.14rem;
}
.content h1 {
  font-size: 0.28rem;
}
.content h2 {
  font-size: 0.24rem;
}
.content h3 {
  font-size: 0.2rem;
}
.content h4 {
  font-size: 0.18rem;
}
.content h5,
.content h6 {
  font-size: 0.16rem;
}
.content ol {
  margin: 0 0 0.18rem;
  padding-left: 0.4rem;
  color: var(--ink-2);
  line-height: 1.75;
  list-style: decimal;
}
.content li {
  margin-bottom: 0.08rem;
  padding-left: 0.05rem;
}
.content blockquote {
  margin: 0.18rem 0;
  padding: 0.16rem 0.2rem;
  border-left: 0.03rem solid var(--cobalt);
  background: var(--cobalt-soft);
  border-radius: 0 0.12rem 0.12rem 0;
  color: var(--ink);
}
.content blockquote p {
  margin: 0;
}
.content a {
  color: var(--cobalt);
  text-decoration: underline;
}
.content hr {
  border: 0;
  border-top: 0.01rem solid var(--line);
  margin: 0.24rem 0;
}
.content img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 0.14rem 0;
}
.content strong {
  color: var(--ink);
}
.content table {
  width: 100%;
  margin: 0.2rem 0;
}
.content table td,
.content table th {
  border: 0.01rem solid var(--line);
  padding: 0.1rem 0.14rem;
  text-align: left;
}
.content code {
  background: var(--paper);
  padding: 0.02rem 0.06rem;
  border-radius: 0.04rem;
  font-size: 0.9em;
}
/* ============ BLOG DETAIL (dedicated classes) ============ */
.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.08rem;
  margin-bottom: 0.2rem;
}
.blog-tags a {
  display: inline-block;
  padding: 0.05rem 0.14rem;
  border-radius: 0.3rem;
  background: var(--cobalt-soft);
  color: var(--cobalt);
  font-size: 0.13rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.blog-tags a:hover {
  background: var(--cobalt);
  color: #fff;
}
.blog-date time {
  color: var(--gray);
  font-size: 0.14rem;
  font-weight: 600;
}
.section-title-md {
  font-size: 0.2rem;
  margin-bottom: 0.14rem;
}
.feature-icon--amber {
  background: var(--amber-soft);
  color: var(--amber-deep);
}
.product-detail-heading {
  font-size: clamp(0.24rem, 4vw, 0.34rem);
  margin: 0.1rem 0 0.08rem;
  font-family: var(--head);
}
.u-mt2 {
  margin-top: 0.22rem;
}
.u-mt3 {
  margin-top: 0.24rem;
}
.u-mt4 {
  margin-top: 0.26rem;
}
.u-mt5 {
  margin-top: 0.18rem;
}
.u-mt6 {
  margin-top: 0.14rem;
}
.u-mb1 {
  margin-bottom: 0.18rem;
}
.u-mb2 {
  margin-bottom: 0.16rem;
}
.u-mb3 {
  margin-bottom: 0.14rem;
}
.u-mb4 {
  margin-bottom: 0.26rem;
}
.case-stats {
  display: flex;
  gap: 0.24rem;
  margin-top: 0.2rem;
  flex-wrap: wrap;
}
.case-stat-value {
  font-size: 0.3rem;
  color: var(--cobalt);
  font-weight: 800;
  font-family: var(--head);
}
.case-stat-label {
  font-size: 0.13rem;
}
.contact-teams {
  display: grid;
  gap: 0.18rem;
  grid-template-columns: repeat(3, 1fr);
}
.blog-cover {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.01rem solid var(--line);
  aspect-ratio: 16/9;
}
.blog-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.blog-title {
  font-size: 0.28rem;
}
.blog-date time {
  color: var(--gray);
  font-size: 0.14rem;
  font-weight: 600;
}
.section {
  padding: var(--sp-64) 0;
}
.section--paper {
  background: var(--paper);
}
/* chip eyebrow */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.07rem;
  font-family: var(--body);
  font-weight: 700;
  font-size: 0.13rem;
  color: var(--cobalt-deep);
  background: var(--cobalt-soft);
  padding: 0.05rem 0.12rem;
  border-radius: 9.99rem;
}
.chip::before {
  content: "";
  width: 0.07rem;
  height: 0.07rem;
  border-radius: 50%;
  background: var(--amber);
}
.chip--amber {
  background: var(--amber-soft);
  color: var(--amber-deep);
}
.chip--amber::before {
  background: var(--amber);
}
.chip--mint {
  background: var(--mint-soft);
  color: var(--mint);
  text-transform: uppercase;
}
.chip--mint::before {
  background: var(--mint);
}
/* keyword tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.05rem;
  font-weight: 700;
  font-size: 0.13rem;
  color: var(--cobalt-deep);
  background: var(--cobalt-soft);
  padding: 0.05rem 0.12rem;
  border-radius: 9.99rem;
}
.tag::before {
  content: "#";
}
.section-heading {
  margin-bottom: var(--sp-32);
}
.section-heading h2 {
  font-size: clamp(0.26rem, 4.6vw, 0.4rem);
  margin: 0.06rem 0 0.12rem;
}
.section-heading p {
  color: var(--gray);
  font-size: 0.16rem;
}
.section-heading.is-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-heading.is-center .chip {
  margin-bottom: 0.06rem;
}
/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.08rem;
  font-weight: 700;
  font-size: 0.15rem;
  padding: 0.13rem 0.24rem;
  border-radius: 0.12rem;
  border: 0;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-align: center;
  line-height: 1.2;
  white-space: nowrap;
}
.btn--primary {
  background: var(--cobalt);
  color: #fff;
}
.btn--primary:hover {
  background: var(--cobalt-deep);
  transform: translateY(-0.02rem);
  box-shadow: 0 0.1rem 0.24rem rgba(29, 78, 216, 0.32);
}
.btn--amber {
  background: var(--amber);
  color: var(--ink);
}
.btn--amber i {
  font-style: normal;
  text-transform: uppercase;
}
.btn--amber:hover {
  background: var(--amber-deep);
  color: #fff;
  transform: translateY(-0.02rem);
  box-shadow: 0 0.1rem 0.24rem rgba(239, 142, 0, 0.32);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 0.02rem solid var(--line-2);
}
.btn--ghost:hover {
  border-color: var(--cobalt);
  color: var(--cobalt);
}
.btn--white {
  background: #fff;
  color: var(--cobalt);
}
.btn--white:hover {
  transform: translateY(-0.02rem);
  box-shadow: 0 0.1rem 0.24rem rgba(255, 255, 255, 0.25);
}
.btn .arw {
  transition: transform 0.18s ease;
}
.btn:hover .arw {
  transform: translateX(0.03rem);
}
/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(0.1rem);
  border-bottom: 0.01rem solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 0.18rem;
  height: 0.8rem;
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  font-family: var(--head);
  font-weight: 700;
  font-size: 0.16rem;
  color: var(--ink);
}
.site-header .site-brand img {
  flex: 0 0 auto;
  width: 1.82rem;
  height: 0.43rem;
}
/*导航菜单*/
.nav-links {
  display: none;
  margin-left: auto;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin-left: auto;
}
.nav-cta .btn {
  padding: 0.11rem 0.2rem;
  display: none;
}
.nav-burger {
  display: inline-flex;
  flex-direction: column;
  gap: 0.05rem;
  background: none;
  border: 0;
  padding: 0.1rem;
}
.nav-burger span {
  width: 0.24rem;
  height: 0.03rem;
  border-radius: 0.03rem;
  background: var(--ink);
}
.nav-links > ul {
  display: flex;
  align-items: center;
  gap: 0.04rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links > ul > li {
  position: relative;
}
.nav-links > ul > li > a {
  display: block;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.155rem;
  padding: 0.1rem 0.13rem;
  border-radius: 0.1rem;
}
.nav-links > ul > li > a:hover {
  background: var(--paper);
  color: var(--cobalt);
}
.nav-links > ul > li > ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 2.3rem;
  padding: 0.08rem;
  list-style: none;
  margin: 0;
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: 0.14rem;
  box-shadow: var(--shadow-lg);
  z-index: 200;
}
.nav-links > ul > li:hover > ul {
  display: block;
}
.nav-links li > ul a {
  display: flex;
  flex-direction: column;
  padding: 0.1rem 0.13rem;
  border-radius: 0.09rem;
  color: var(--ink);
  font-size: 0.15rem;
  line-height: 1.25;
  font-weight: 700;
}
.nav-links li > ul a small {
  color: var(--gray);
  font-size: 0.12rem;
  font-weight: 400;
}
.nav-links li > ul a:hover {
  background: var(--paper);
  color: var(--cobalt);
}
.nav-caret {
  display: inline-block;
  margin-left: 0.03rem;
  font-size: 0.1rem;
  color: var(--gray);
}
/* ===== 移动端菜单（ul/li 结构，样式保持不变） ===== */
.mobile-menu {
  display: none;
  border-top: 0.01rem solid var(--line);
  background: #fff;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open {
  max-height: 80vh;
  overflow: auto;
  display: block;
}
/* 新增：重置列表样式，使结构与 PC 端一致 */
.mobile-menu > ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mobile-menu ul ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mobile-menu li {
  list-style: none;
  margin: 0;
  padding: 0;
}
/* 一级链接：保持原样式 */
.mobile-menu .mobile-menu-link {
  display: block;
  padding: 0.13rem 0.22rem;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 0.01rem solid var(--paper);
  font-size: 0.15rem;
  text-decoration: none;
}
/* 子菜单容器：默认隐藏，.open 时展开 */
.mobile-menu .mobile-menu-sub {
  display: none;
  background: var(--paper);
}
.mobile-menu .mobile-menu-sub.open {
  display: block;
}
/* 子菜单项：保持原样式 */
.mobile-menu .mobile-menu-sub a {
  display: block;
  padding: 0.1rem 0.34rem;
  color: var(--ink-2);
  font-size: 0.14rem;
  border-bottom: 0.01rem solid var(--line);
  font-weight: 600;
  text-decoration: none;
}
/* 一级触发器：保持 flex 布局与 caret */
.mobile-menu .mobile-menu-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu .mobile-menu-toggle .nav-caret {
  font-size: 0.12rem;
  color: var(--gray);
}
/* ============ HERO ============ */
.hero {
  position: relative;
  background: linear-gradient(120deg, #12275e 0%, #1D4ED8 62%, #2a63ec 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(6rem 3rem at 85% 20%, rgba(255, 176, 32, 0.28), transparent 60%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 0.01rem, transparent 0.01rem), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0.01rem, transparent 0.01rem);
  background-size: 0.44rem 0.44rem;
}
.hero .container {
  position: relative;
  z-index: 2;
  padding-top: var(--sp-48);
  padding-bottom: var(--sp-48);
  display: flex;
  flex-direction: column;
  gap: var(--sp-32);
}
.hero h1 {
  font-size: clamp(0.34rem, 6.4vw, 0.6rem);
  color: #fff;
  font-weight: 600;
}
.hero h1 em {
  font-style: normal;
  color: var(--amber);
  display: inline-block;
}
.hero-lead {
  font-size: 0.17rem;
  color: #E7ECFB;
  margin: 0.18rem 0 0.26rem;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.12rem;
}
.hero-media {
  width: 100%;
}
.hero-media .hero-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.01rem solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 0.3rem 0.6rem rgba(0, 0, 0, 0.28);
}
.hero-media .hero-img img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.12rem;
  margin-top: 0.14rem;
}
.hero-stat {
  background: rgba(255, 255, 255, 0.12);
  border: 0.01rem solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 0.16rem 0.18rem;
  backdrop-filter: blur(0.04rem);
}
.hero-stat b {
  font-family: var(--head);
  font-size: 0.22rem;
  color: #fff;
  display: block;
  line-height: 1.35;
  white-space: nowrap;
}
.hero-stat span {
  font-size: 0.13rem;
  color: #D7DEF5;
  display: block;
  line-height: 1.35em;
}
/* page hero (interior) */
.page-hero {
  background: linear-gradient(120deg, #12275e, #1D4ED8);
  color: #fff;
  padding: 0.52rem 0 0.48rem;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(5rem 2.2rem at 80% 0%, rgba(255, 176, 32, 0.25), transparent 60%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.08rem;
  align-items: center;
  font-size: 0.13rem;
  color: #C9D3F5;
}
.breadcrumb a {
  color: #C9D3F5;
  font-weight: 600;
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb span {
  color: #fff;
  font-weight: 700;
}
.page-hero h1 {
  color: #fff;
  font-size: clamp(0.3rem, 5vw, 0.46rem);
}
.page-hero .des {
  color: #E2E8F8;
  font-size: 0.16rem;
}
.page-hero .des a {
  color: #E2E8F8;
}
.page-hero .des a:hover {
  color: #fff;
}
.cap {
  text-transform: uppercase;
}
/* ============ GRID / CARDS ============ */
.grid {
  display: grid;
  gap: var(--sp-24);
}
.grid-cols-2 {
  grid-template-columns: 1fr;
}
.grid-cols-3 {
  grid-template-columns: 1fr;
}
.grid-cols-4 {
  grid-template-columns: 1fr;
}
.grid-cols-5 {
  grid-template-columns: repeat(2, 1fr);
}
.card {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  display: block;
  height: 100%;
}
.card:hover {
  transform: translateY(-0.04rem);
  box-shadow: var(--shadow-lg);
}
.card-media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--paper);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.card:hover .card-media img {
  transform: scale(1.05);
}
.card .badge {
  position: absolute;
  top: 0.12rem;
  left: 0.12rem;
  font-size: 0.12rem;
  font-weight: 800;
  padding: 0.05rem 0.11rem;
  border-radius: 9.99rem;
  z-index: 2;
}
.badge--new {
  background: var(--amber);
  color: var(--ink);
}
.badge--best {
  background: var(--cobalt);
  color: #fff;
}
.card-body {
  padding: 0.18rem 0.18rem 0.2rem;
}
.card-body h3 {
  font-size: 0.19rem;
  margin-bottom: 0.06rem;
}
.card-body p {
  color: var(--gray);
  font-size: 0.14rem;
  line-height: 1.5;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.1rem;
  margin-top: 0.12rem;
  font-size: 0.13rem;
  color: var(--gray);
}
.card-price {
  font-weight: 800;
  color: var(--cobalt);
}
.card-link {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
}
.card-link::after {
  content: "→";
  position: absolute;
  top: 0.2rem;
  right: 0.2rem;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: var(--cobalt);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.15rem;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 4;
}
.card:hover .card-link::after {
  opacity: 1;
}
.prod-card .card-media {
  aspect-ratio: 1/1;
}
.prod-card .card-link::after {
  display: none;
}
.prod-card .card-body h3 {
  font-size: 0.17rem;
}
.prod-card .card-category {
  font-size: 0.12rem;
  color: var(--gray);
  font-weight: 700;
  text-transform: none;
}
.prod-card .card-category span:not(:last-child):after {
  content: ' , ';
  display: inline-block;
}
.category-tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.01rem solid var(--line);
  display: block;
  aspect-ratio: 100/72;
}
.category-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.category-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  color: #fff;
  padding: 1.1rem 0.2rem 0.22rem;
  background: linear-gradient(180deg, rgba(23, 35, 59, 0) 0%, rgba(23, 35, 59, 0.68) 62%);
}
.category-caption b {
  font-family: var(--head);
  font-size: 0.2rem;
  display: block;
  line-height: 1.35em;
}
.category-caption span {
  font-size: 0.13rem;
  color: #DDE3F2;
}
/* ============ SECTION SPLITS ============ */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  align-items: center;
}
.split-art {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.01rem solid var(--line);
}
.split-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/10;
}
.split-art .tag {
  position: absolute;
  bottom: 0.16rem;
  left: 0.16rem;
  background: rgba(23, 35, 59, 0.8);
  color: #fff;
  font-size: 0.12rem;
  font-weight: 700;
  padding: 0.07rem 0.12rem;
  border-radius: 9.99rem;
}
.split .cont h2 {
  font-size: clamp(0.24rem, 4vw, 0.34rem);
}
.split .cont h3 {
  font-size: 0.2rem;
}
.split .cont {
  color: var(--gray);
  display: grid;
  gap: 0.14rem;
}
.split ul {
  display: grid;
  gap: 0.1rem;
}
.split ul li {
  display: flex;
  gap: 0.1rem;
  align-items: flex-start;
  font-weight: 600;
  color: var(--ink);
}
.split ul li::before {
  content: "";
  flex: 0 0 0.2rem;
  height: 0.2rem;
  margin-top: 0.02rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #6FD9C9, var(--mint));
  box-shadow: inset 0 0 0 0.01rem rgba(255, 255, 255, 0.4), 0 0.03rem 0.07rem rgba(14, 156, 140, 0.28);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
  background-color: var(--mint);
}
.feature {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.24rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.feature-icon {
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 0.13rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cobalt-soft);
  color: var(--cobalt);
  flex: 0 0 auto;
}
.feature-icon img {
  display: block;
  width: 47.82608696%;
  height: 47.82608696%;
  object-fit: contain;
}
.feature h3 {
  font-size: 0.18rem;
}
.feature h3 span {
  color: var(--gray);
}
.feature p {
  color: var(--gray);
  font-size: 0.14rem;
  line-height: 1.55;
}
.stats-band {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.16rem;
}
.stat-box {
  text-align: center;
  padding: 0.26rem 0.14rem;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 0.01rem solid var(--line);
}
.stat-box b {
  font-family: var(--head);
  font-size: clamp(0.3rem, 5vw, 0.44rem);
  color: var(--cobalt);
  display: block;
  line-height: 1;
}
.stat-box span {
  font-size: 0.13rem;
  color: var(--gray);
  font-weight: 600;
}
/* ============ PROCESS / STEPS ============ */
.steps {
  display: grid;
  gap: 0.18rem;
  counter-reset: step;
}
.step {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.22rem;
  position: relative;
}
.step-number {
  font-family: var(--head);
  font-size: 0.38rem;
  color: var(--amber);
  line-height: 1;
  font-weight: 600;
}
.step h3 {
  font-size: 0.18rem;
  margin: 0.08rem 0 0.06rem;
}
.step p {
  color: var(--gray);
  font-size: 0.14rem;
}
.step::after {
  content: "";
  position: absolute;
  top: 0.34rem;
  right: 0.18rem;
  width: 0.22rem;
  height: 0.22rem;
  border-radius: 50%;
  border: 0.02rem dashed var(--line-2);
}
/* ============ CTA BAND ============ */
.cta-band {
  background: linear-gradient(120deg, #12275e, #1D4ED8);
  color: #fff;
  padding: 0.54rem 0;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 0.01rem, transparent 0.01rem), linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0.01rem, transparent 0.01rem);
  background-size: 0.4rem 0.4rem;
}
.cta-band .container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
  align-items: flex-start;
}
.cta-band h2 {
  color: #fff;
  font-size: clamp(0.26rem, 4.5vw, 0.4rem);
}
.cta-band p {
  color: #DFE6F8;
}
.cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.12rem;
}
/* ============ FAQ ============ */
.faq-item {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.12rem;
  overflow: hidden;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.16rem;
  padding: 0.18rem 0.2rem;
  font-weight: 700;
  font-size: 0.16rem;
  color: var(--ink);
  cursor: pointer;
  background: none;
  border: 0;
  width: 100%;
  text-align: left;
}
.faq-icon {
  flex: 0 0 auto;
  width: 0.26rem;
  height: 0.26rem;
  border-radius: 50%;
  background: var(--cobalt-soft);
  color: var(--cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.16rem;
  transition: transform 0.2s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}
.faq-answer-text {
  padding: 0 0.2rem 0.2rem;
  color: var(--gray);
  font-size: 0.15rem;
}
.faq-answer-more {
  padding: 0 0.2rem 0.2rem;
}
/* ============ TABLE ============ */
.tbl-wrap {
  overflow-x: auto;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 6.4rem;
  font-size: 0.14rem;
  background: linear-gradient(180deg, #F5F9FE, #EDF3FB);
  border: 0.01rem solid #DDE7F5;
  overflow-x: auto;
}
table th {
  background: var(--cobalt);
  color: #fff;
  text-align: left;
  padding: 0.13rem 0.16rem;
  font-weight: 800;
  white-space: nowrap;
}
table td {
  padding: 0.13rem 0.16rem;
  border-top: 0.01rem solid var(--line);
  color: var(--ink-2);
  vertical-align: top;
}
table tr:nth-child(even) td {
  background: var(--paper);
}
table td b {
  color: var(--ink);
}
/* ============ BLOG ============ */
.post-card .card-media {
  aspect-ratio: 16/9;
}
.post-card .tag {
  display: inline-block;
  font-size: 0.12rem;
  font-weight: 800;
  color: var(--cobalt);
  background: var(--cobalt-soft);
  padding: 0.04rem 0.1rem;
  border-radius: 9.99rem;
  margin-bottom: 0.1rem;
}
.post-card .date {
  font-size: 0.12rem;
  color: var(--gray);
}
/* ============ FORMS ============ */
.field {
  margin-bottom: 0.16rem;
}
.field label {
  display: block;
  font-weight: 700;
  font-size: 0.14rem;
  margin-bottom: 0.06rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.13rem 0.14rem;
  border: 0.015rem solid var(--line-2);
  border-radius: 0.11rem;
  font-family: inherit;
  font-size: 0.16rem;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cobalt);
}
.field select option[disabled] {
  color: #888;
}
.field textarea {
  min-height: 1.3rem;
  resize: vertical;
}
.field .hint {
  font-size: 0.12rem;
  color: var(--gray);
  margin-top: 0.05rem;
}
.err-tip {
  display: none;
  color: #e5484d;
  font-size: 0.13rem;
  line-height: 1.4em;
  margin-top: 0.06rem;
}
.form-card {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.26rem;
}
/* ============ FOOTER ============ */
.site-footer {
  background: #0F1B33;
  color: #C6CFE5;
  padding: var(--sp-48) 0 var(--sp-32);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-24);
}
.footer-about {
  grid-column: 1/-1;
}
.footer-grid h4 {
  color: #fff;
  font-size: 0.16rem;
  margin-bottom: 0.14rem;
}
.footer-col a,
.footer-col p {
  display: block;
  color: #C6CFE5;
  font-size: 0.14rem;
  padding: 0.05rem 0;
  font-weight: 600;
}
.footer-col a:hover {
  color: var(--amber);
}
.footer-about .text {
  font-size: 0.14rem;
  color: #9AA6C3;
  margin-top: var(--sp-16);
  max-width: 3rem;
}
.footer-bottom {
  border-top: 0.01rem solid rgba(255, 255, 255, 0.12);
  margin-top: var(--sp-48);
  padding-top: var(--sp-24);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.13rem;
  color: #8E9BBB;
}
.footer-bottom a {
  color: #C6CFE5;
}
.page-list i {
  font-style: normal;
}
.page-list i:last-child {
  display: none;
}
.social {
  display: flex;
  gap: 0.1rem;
  margin-top: var(--sp-16);
}
.social a {
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 0.1rem;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.social a:hover {
  background: var(--amber);
  color: var(--ink);
}
/* timeline */
.timeline {
  position: relative;
  padding-left: 0;
}
.timeline-item {
  display: grid;
  grid-template-columns: 0.64rem 1fr;
  gap: 0.16rem;
  padding-bottom: 0.24rem;
  position: relative;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 0.31rem;
  top: 0.4rem;
  bottom: -0.04rem;
  width: 0.02rem;
  background: var(--line-2);
}
.timeline-item:last-child::before {
  display: none;
}
.timeline-year {
  font-family: var(--head);
  font-weight: 600;
  color: var(--cobalt);
  font-size: 0.2rem;
  text-align: right;
  padding-top: 0.02rem;
}
.timeline-content {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius);
  padding: 0.16rem 0.18rem;
}
.timeline-content h4 {
  font-size: 0.17rem;
  margin-bottom: 0.04rem;
}
.timeline-content p {
  font-size: 0.14rem;
  color: var(--gray);
}
/* misc */
.muted {
  color: var(--gray);
}
.tight-list li {
  display: flex;
  gap: 0.08rem;
  align-items: baseline;
  padding: 0.06rem 0;
  color: var(--ink-2);
  font-size: 0.15rem;
}
.tight-list li::before {
  content: "•";
  color: var(--amber);
  font-weight: 800;
}
.single h2 {
  font-size: 0.24rem;
  margin: 0.3rem 0 0.1rem;
}
.single h3 {
  font-size: 0.19rem;
  margin: 0.22rem 0 0.08rem;
}
.single p,
.single li {
  color: var(--ink-2);
  font-size: 0.15rem;
  margin-bottom: 0.1rem;
  line-height: 1.7;
}
.single ul {
  list-style: disc;
  padding-left: 0.22rem;
}
.not-found {
  text-align: center;
  padding: 20vh 0 25vh;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: center;
}
.not-found h1 {
  font-size: 0.8rem;
  color: var(--line-2);
}
.back-to-top {
  position: fixed;
  bottom: 0.22rem;
  right: 0.22rem;
  z-index: 90;
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 0.12rem;
  background: var(--cobalt);
  color: #fff;
  border: 0;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 0.26rem;
  transform: translateX(-50%) translateY(0.2rem);
  background: var(--ink);
  color: #fff;
  padding: 0.14rem 0.22rem;
  border-radius: 0.12rem;
  font-weight: 700;
  font-size: 0.14rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 200;
  max-width: 90vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.toast--ok {
  background: #1c7a3d;
}
.toast.toast--err {
  background: #c0392b;
}
/* ============ PRODUCT GALLERY (swipe + magnifier) ============ */
.product-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.12rem;
  align-items: stretch;
}
.product-gallery-side {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  width: 100%;
  overflow: hidden;
}
.product-gallery-nav:first-child svg {
  transform: rotate(-90deg);
}
.product-gallery-nav:last-child svg {
  transform: rotate(-90deg);
}
.product-gallery-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.01rem solid var(--line);
  background: #fff;
  min-width: 0;
}
.product-gallery-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  overflow: hidden;
  touch-action: pan-y;
  cursor: grab;
}
.product-gallery-viewport .swiper {
  height: 100%;
}
.product-gallery-viewport.dragging {
  cursor: grabbing;
}
.product-gallery-viewport img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.2s ease;
}
.product-gallery-viewport img.fade {
  opacity: 0;
}
.product-gallery-thumbs {
  display: flex;
  flex-direction: row;
  gap: 0.1rem;
  flex: 1;
  position: relative;
  width: 100%;
}
.product-gallery-thumbs .swiper {
  width: 100%;
}
.product-gallery-thumbs .swiper-slide-thumb-active .product-gallery-thumb {
  border-color: var(--cobalt);
}
.product-gallery-thumbs::-webkit-scrollbar {
  display: none;
}
.product-gallery-thumb {
  border-radius: 0.1rem;
  overflow: hidden;
  border: 0.02rem solid var(--line-2);
  padding: 0;
  margin: 0;
  cursor: pointer;
  transition: border-color 0.15s;
  position: relative;
}
.product-gallery-thumb:after {
  display: block;
  content: '';
  padding-bottom: 100%;
}
.product-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  position: absolute;
  left: 0;
  top: 0;
}
.product-gallery-nav {
  width: 0.4rem;
  height: 0.4rem;
  flex: 0 0 0.4rem;
  border-radius: 50%;
  background: #fff;
  border: 0.01rem solid var(--line-2);
  color: var(--ink);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  padding: 0;
}
.product-gallery-nav svg {
  display: block;
}
.product-gallery-nav:hover {
  background: var(--cobalt);
  border-color: transparent;
}
.product-gallery-nav:hover path {
  fill: #fff;
}
/* ============ PRODUCT DETAIL (re-layout) ============ */
.product-detail-title {
  font-size: 0.3rem;
  margin: 0.12rem 0 0.08rem;
  font-family: var(--head);
}
.product-detail-actions {
  margin-top: 0.24rem;
}
.product-detail-layout {
  align-items: stretch;
  display: grid;
  gap: var(--sp-48);
}
.product-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.1rem;
  margin-top: 0.22rem;
}
.product-fact {
  background: var(--cobalt-soft);
  border-radius: 0.1rem;
  padding: 0.14rem 0.16rem;
  display: flex;
  flex-direction: column;
  gap: 0.04rem;
}
.product-fact span {
  font-size: 0.12rem;
  color: var(--gray);
  font-weight: 700;
  text-transform: none;
}
.product-fact b {
  font-size: 0.16rem;
  color: var(--ink);
  font-family: var(--head);
}
.product-certifications {
  display: flex;
  align-items: flex-start;
  gap: 0.12rem;
  margin-top: 0.2rem;
  flex-wrap: wrap;
}
.product-certifications .muted {
  font-size: 0.13rem;
  color: var(--gray);
  font-weight: 700;
  padding-top: 0.05rem;
}
.product-certifications .cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.08rem;
}
.product-similar {
  grid-template-columns: repeat(4, 1fr);
  gap: 0.18rem;
}
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.08rem;
  margin-top: 0.32rem;
}
.pager-num {
  min-width: 0.42rem;
  height: 0.42rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.09rem;
  border: 0.01rem solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.15rem;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.pager-num:hover,
.pager-num.is-active {
  background: var(--cobalt);
  border-color: var(--cobalt);
  color: #fff;
}
/* ============ CONTACT ART ============ */
.contact-art {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.01rem solid var(--line);
  height: 100%;
}
.contact-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* ============ DOWNLOAD CARDS ============ */
.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.18rem;
}
.download-card {
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.24rem;
  display: flex;
  flex-direction: column;
  gap: 0.14rem;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}
.download-card:hover {
  transform: translateY(-0.03rem);
  box-shadow: var(--shadow-lg);
}
.download-card .download-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.14rem;
}
.download-card .download-file-icon {
  width: 0.56rem;
  height: 0.56rem;
  border-radius: 0.14rem;
  background: var(--cobalt-soft);
  color: var(--cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.download-card h3 {
  font-size: 0.17rem;
  line-height: 1.3;
  margin-top: 0.02rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}
.download-card h3 a:not(:hover) {
  color: var(--ink);
}
.download-card .download-desc {
  color: var(--gray);
  font-size: 0.14rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.download-card .download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.08rem;
  font-size: 0.12rem;
  font-weight: 700;
  color: var(--ink-2);
}
.download-card .download-meta span {
  background: var(--paper);
  padding: 0.05rem 0.12rem;
  border-radius: 9.99rem;
}
.download-card .download-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.1rem;
  border-top: 0.01rem solid var(--line);
  padding-top: 0.14rem;
  margin-top: auto;
}
.download-card .download-footer .download-size {
  font-size: 0.12rem;
  font-weight: 800;
  color: var(--ink-2);
  letter-spacing: 0.01rem;
}
.download-card .btn {
  margin-left: auto;
}
/* ============ SUBNAV ============ */
.subnav-wrapper {
  background: #fff;
  border-bottom: 0.01rem solid var(--line);
  position: sticky;
  top: 0.8rem;
  z-index: 50;
}
.subnav {
  display: flex;
  gap: 0.04rem;
  overflow-x: auto;
  padding: 0.1rem 0;
  -webkit-overflow-scrolling: touch;
}
.subnav a {
  flex: 0 0 auto;
  font-weight: 700;
  font-size: 0.14rem;
  color: var(--ink-2);
  padding: 0.09rem 0.15rem;
  border-radius: 9.99rem;
  white-space: nowrap;
}
.subnav a:hover {
  color: var(--cobalt);
  background: var(--paper);
}
.subnav a.is-active {
  background: var(--cobalt);
  color: #fff;
}
.subnav::-webkit-scrollbar {
  height: 0.04rem;
}
.subnav::-webkit-scrollbar-thumb {
  background: var(--line-2);
  border-radius: 0.04rem;
}
/* ============ RESPONSIVE (750 / 1024 / 1280) ============ */
@media (max-width: 749px) {
  .home-cats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.14rem;
  }
  .soln-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .certs-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.08rem;
  }
  .certs-row .chip {
    font-size: 0.11rem;
    padding: 0.04rem 0.06rem;
    white-space: nowrap;
  }
  .swipe {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.16rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-right: -0.2rem;
    padding-right: 0.2rem;
  }
  .swipe::-webkit-scrollbar {
    display: none;
  }
  .swipe > * {
    flex: 0 0 60%;
    max-width: 60%;
    scroll-snap-align: start;
  }
  .product-facts {
    grid-template-columns: 1fr;
  }
  .contact-teams {
    grid-template-columns: 1fr;
  }
  .footer-about .text {
    max-width: none;
  }
}
@media (min-width: 750px) {
  .grid-cols-2,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-cols-5 {
    grid-template-columns: repeat(4, 1fr);
  }
  .download-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-band {
    grid-template-columns: repeat(4, 1fr);
  }
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
    max-width: none;
  }
  .timeline-item {
    grid-template-columns: 0.88rem 1fr;
  }
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--sp-48);
  }
  .cta-band .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .cta-band-actions {
    flex: 0 0 auto;
  }
  .subnav {
    justify-content: center;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
  .comment-form .comment-form-row {
    grid-template-columns: 1fr 1fr;
  }
  .swipe {
    display: grid;
  }
  .product-gallery {
    grid-template-columns: minmax(0, 1fr) 2rem;
  }
  .product-gallery-side {
    flex-direction: column;
    height: 100%;
  }
  .product-gallery-thumbs {
    height: 100%;
    width: 75%;
  }
  .product-gallery-thumbs .swiper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
  }
  .product-gallery-nav {
    display: flex;
  }
  .product-gallery-nav:first-child svg,
  .product-gallery-nav:last-child svg {
    transform: rotate(0deg);
  }
}
@media (min-width: 1024px) {
  .grid-cols-5 {
    grid-template-columns: repeat(5, 1fr);
  }
  .download-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr 1.4fr;
    gap: var(--sp-48);
  }
  .footer-about {
    grid-column: auto;
  }
  .hero .container {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-64);
    padding-top: var(--sp-88);
    padding-bottom: var(--sp-88);
  }
  .hero-copy {
    flex: 1.2;
  }
  .hero-media {
    flex: 1;
    max-width: 6.2rem;
  }
  .hero-stat b {
    font-size: 0.24rem;
  }
  .section {
    padding: var(--sp-88) 0;
  }
  .product-detail-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .product-gallery {
    grid-template-columns: minmax(0, 1fr) 0.88rem;
  }
}
@media (min-width: 1280px) {
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .download-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .nav-links {
    display: flex;
  }
  .nav-burger {
    display: none;
  }
  .nav-cta .btn {
    display: inline-flex;
  }
  .product-gallery-thumbs {
    width: 86.36363636%;
  }
}
/* ============ AOS SCROLL REVEAL ============ */
.aos {
  opacity: 0;
  transform: translateY(0.26rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.aos.aos-fade-left {
  transform: translateX(-0.3rem);
}
.aos.aos-fade-right {
  transform: translateX(0.3rem);
}
.aos.aos-zoom {
  transform: scale(0.94);
}
.aos.aos-animate {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .aos {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
/* ============ COMMENTS ============ */
.comments {
  margin-top: 0.26rem;
}
.comments-head {
  display: flex;
  align-items: center;
  gap: 0.12rem;
  margin-bottom: 0.06rem;
}
.comments-head h3 {
  font-size: 0.22rem;
}
.comments-count {
  font-size: 0.13rem;
  font-weight: 800;
  color: var(--cobalt);
  background: var(--cobalt-soft);
  padding: 0.03rem 0.11rem;
  border-radius: 9.99rem;
}
.comments-hint {
  color: var(--gray);
  font-size: 0.14rem;
  margin-bottom: 0.18rem;
}
.comment-item {
  display: flex;
  gap: 0.14rem;
  padding: 0.18rem 0;
  border-top: 0.01rem solid var(--line);
}
.comment-avatar {
  flex: 0 0 0.42rem;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--cobalt);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.16rem;
}
.comment-body {
  flex: 1;
}
.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex-wrap: wrap;
}
.comment-name {
  font-weight: 800;
  color: var(--ink);
}
.comment-date {
  font-size: 0.13rem;
  color: var(--gray);
}
.comment-reply-btn {
  margin-left: auto;
  font-size: 0.13rem;
  font-weight: 700;
  color: var(--cobalt);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.02rem 0.08rem;
  border-radius: 0.08rem;
}
.comment-reply-btn:hover {
  background: var(--cobalt-soft);
}
.comment-text {
  color: var(--ink-2);
  font-size: 0.145rem;
  line-height: 1.6;
  margin-top: 0.04rem;
}
.comment-item .comment-item {
  padding-left: 0.2rem;
  border-left: 0.02rem solid var(--line-2);
  border-top: 0;
  margin-top: 0.02rem;
}
.comment-item .comment-item .comment-avatar {
  flex: 0 0 0.34rem;
  width: 0.34rem;
  height: 0.34rem;
  font-size: 0.13rem;
  background: var(--amber);
  color: var(--ink);
}
.comment-item .comment-item .comment-name {
  font-weight: 700;
  font-size: 0.14rem;
}
.comment-item .comment-item .comment-text {
  font-size: 0.14rem;
}
.comment-form {
  margin-top: var(--sp-24);
  padding: var(--sp-24);
  background: var(--paper);
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
}
.comment-form h4 {
  font-size: 0.16rem;
  margin-bottom: 0.14rem;
}
.comment-form .comment-form-row {
  display: grid;
  gap: 0.14rem;
}
.comment-field {
  display: flex;
  flex-direction: column;
  gap: 0.06rem;
}
.comment-form label {
  font-weight: 700;
  font-size: 0.13rem;
  color: var(--ink-2);
}
.comment-form input,
.comment-form textarea {
  padding: 0.11rem 0.14rem;
  border: 0.01rem solid var(--line);
  border-radius: 0.1rem;
  font: inherit;
  font-size: 0.16rem;
  background: #fff;
  color: var(--ink);
}
.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--cobalt);
  box-shadow: 0 0 0 0.03rem var(--cobalt-soft);
}
.comment-form textarea {
  min-height: 0.96rem;
  resize: vertical;
}
.comment-form .btn--cancel {
  background-color: #f9f9f9;
  color: #888;
  display: none;
}
.comment-form .btn--cancel:hover {
  color: var(--cobalt);
  transform: translateY(-0.02rem);
  box-shadow: 0 0.1rem 0.24rem rgba(0, 0, 0, 0.05);
}
/* ============ SEARCH ============ */
.nav-search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 0.12rem;
  background: var(--cobalt-soft);
  color: var(--cobalt);
  border: 0;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-search-btn:hover {
  background: var(--cobalt);
  color: #fff;
}
.search-bar {
  max-width: 6.8rem;
  margin: 0 auto 0.3rem;
}
.search-input {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: 0.14rem;
  padding: 0.06rem 0.08rem 0.06rem 0.18rem;
  box-shadow: var(--shadow);
}
.search-input input {
  border: 0;
  outline: none;
  font: inherit;
  font-size: 0.16rem;
  flex: 1;
  min-width: 0;
  padding: 0.12rem 0;
  background: none;
  color: var(--ink);
}
.search-input button {
  flex: 0 0 auto;
  padding: 0.12rem 0.22rem;
}
.search-meta {
  font-size: 0.14rem;
  color: var(--gray);
  margin-bottom: 0.2rem;
}
.search-group h3 {
  font-size: 0.18rem;
  margin: 0.28rem 0 0.14rem;
  display: flex;
  align-items: center;
  gap: 0.1rem;
}
.search-group h3 .search-count {
  font-size: 0.12rem;
  font-weight: 800;
  color: var(--cobalt);
  background: var(--cobalt-soft);
  padding: 0.03rem 0.1rem;
  border-radius: 9.99rem;
}
.search-empty {
  text-align: center;
  padding: 0.56rem 0.2rem;
  color: var(--gray);
}
.search-empty-icon {
  font-size: 0.4rem;
  margin-bottom: 0.08rem;
  color: var(--line-2);
}
.search-result {
  display: flex;
  flex-direction: column;
  gap: 0.04rem;
  background: #fff;
  border: 0.01rem solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.16rem 0.18rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-result:hover {
  border-color: var(--cobalt);
  box-shadow: var(--shadow);
}
.search-result b {
  color: var(--ink);
  font-size: 0.15rem;
}
.search-result span {
  color: var(--gray);
  font-size: 0.125rem;
}
/*section-post*/
#section-post .section:nth-child(2n+1) {
  background-color: var(--paper);
}
#section-post .pager {
  margin-bottom: 0.32rem;
}