/* MZH 木之欢 — 首页样式（结构对齐欧耐德模块） */
:root {
  --brand: #0a2a5c;
  --brand-dark: #071e42;
  --brand-soft: #1a3f7a;
  --accent-wood: #c4a574;
  --text: #1a1a1a;
  --text-muted: #888;
  --text-light: #666;
  --line: #e5e5e5;
  --bg: #fff;
  --bg-soft: #f7f7f7;
  --header-h: 72px;
  --header-max: 1400px;
  --header-gutter: max(16px, calc((100% - var(--header-max)) / 2));
  --max: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  width: min(100% - 32px, 1400px);
  margin-inline: auto;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.brand-logo {
  height: 46px;
  width: auto;
  background: transparent;
  display: block;
  object-fit: contain;
}

.brand-divider {
  width: 1px;
  height: 28px;
  background: var(--brand);
  opacity: 0.5;
}

.brand-slogan {
  color: #0a4474;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav > a,
.nav .nav-parent {
  font-size: 15px;
  color: #222;
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  transition: color 0.2s;
}

.nav > a:hover,
.nav > a.active,
.nav .nav-parent:hover,
.nav .nav-parent.active,
.nav-item:hover > .nav-parent {
  color: var(--brand);
}

.nav > a.active::after,
.nav .nav-parent.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--brand);
}

/* ========== Mega menu (产品中心 / 工程案例悬浮分类) ========== */
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.mega-menu--cases {
  width: min(980px, calc(100vw - 48px));
}

.mega-inner--cases {
  grid-template-columns: repeat(7, 1fr);
}

.nav-item.has-mega::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
}

.mega-menu {
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  transform: translateX(-50%) translateY(8px);
  width: min(920px, calc(100vw - 48px));
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(10, 42, 92, 0.08);
  box-shadow: 0 18px 48px rgba(7, 30, 66, 0.14);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  z-index: 120;
}

.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu,
.nav-item.is-open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.mega-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  border-radius: 2px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.mega-item:hover {
  background: #f4f7fb;
  transform: translateY(-2px);
}

.mega-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #e8eef5;
}

.mega-item span {
  text-align: center;
  font-size: 13px;
  color: #222;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.mega-item:hover span,
.mega-item.is-active span {
  color: var(--brand);
}

.mega-item.is-active {
  background: #f4f7fb;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.header-phone svg {
  width: 20px;
  height: 20px;
  fill: var(--brand);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--text);
}

.menu-toggle span::before {
  top: -7px;
}

.menu-toggle span::after {
  top: 7px;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 720;
  height: auto;
  min-height: 0;
  max-height: none;
  overflow: hidden;
  background: #f5f7fa;
}

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

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f5f7fa;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

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

.hero-caption {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 24px;
  pointer-events: none;
}

.hero-caption h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.hero-caption p {
  margin-top: 12px;
  font-size: 16px;
  opacity: 0.92;
}

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  transition: background 0.2s;
}

.hero-nav:hover {
  background: rgba(0, 0, 0, 0.55);
}

.hero-nav.prev {
  left: 20px;
}

.hero-nav.next {
  right: 20px;
}

.hero-dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
}

.hero-dots button.active {
  background: #fff;
}

.hero--single .hero-nav,
.hero--single .hero-dots {
  display: none;
}

/* ========== Section common ========== */
.section {
  padding: 72px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.section-head p {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 15px;
}

/* ========== Products ========== */
.products {
  background: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.product-card .head {
  --card-color: #a88462;
  padding: 28px 16px 22px;
  color: #fff;
  min-height: 118px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  background: var(--card-color);
}

.product-card .head h3 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.product-card .head .more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 16px;
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--card-color);
  background: #fff;
  transition: opacity 0.2s ease;
}

.product-card:hover .head .more {
  opacity: 0.92;
}

.product-card .pic {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #eee;
}

.product-card .pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

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

.product-card:nth-child(1) .head { --card-color: #a88462; }
.product-card:nth-child(2) .head { --card-color: #d9b612; }
.product-card:nth-child(3) .head { --card-color: #789262; }
.product-card:nth-child(4) .head { --card-color: #ca6723; }
.product-card:nth-child(5) .head { --card-color: #177cb0; }
.product-card:nth-child(6) .head { --card-color: #494166; }
.product-card:nth-child(7) .head { --card-color: #9d2932; }
.product-card:nth-child(8) .head { --card-color: #415063; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 36px auto 0;
  padding: 12px 28px;
  border: 1px solid #ccc;
  color: #444;
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.products .btn-wrap {
  text-align: center;
}

/* ========== Cases ========== */
.cases {
  background: #fff;
}

.cases-page {
  padding-top: 0;
}

.case-tabs-bar {
  background: #f3f3f3;
  border-bottom: 1px solid #e8e8e8;
}

.case-tabs {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0 32px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.case-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: #444;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  padding: 20px 2px 16px;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

.case-tab:hover {
  color: #111;
}

.case-tab.is-active {
  color: #111;
  font-weight: 700;
}

.case-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: #111;
}

.case-item.is-hidden,
.case-card.is-hidden {
  display: none;
}

.case-list-wrap {
  padding-top: 36px;
  padding-bottom: 24px;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 22px;
}

.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.case-card:hover {
  transform: translateY(-3px);
}

.case-card-cover {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 2px;
}

.case-card-cover:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.case-card-pic,
.case-card h3 {
  position: relative;
  z-index: 1;
}

.case-card-pic {
  display: block;
  aspect-ratio: 410 / 250;
  overflow: hidden;
  background: #eceff3;
}

.case-card-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

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

.case-card h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: #222;
}

.case-card h3 a {
  color: inherit;
}

.case-card h3 a:hover {
  color: var(--brand);
}

.case-list-empty {
  text-align: center;
  padding: 48px 16px;
  color: #888;
  font-size: 14px;
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.case-grid .case-item:nth-child(n + 3) {
  grid-column: span 1;
}

.case-bottom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.case-bottom--2 {
  grid-template-columns: 1fr 1fr;
}

.case-item {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  background: #222;
}

.case-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.5s ease;
}

.case-item:hover img {
  transform: scale(1.06);
}

.case-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(0, 0, 0, 0.65));
  z-index: 1;
}

.case-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 36px;
  z-index: 2;
  text-align: center;
  color: #fff;
}

.case-info h3 {
  font-size: 24px;
  font-weight: 700;
}

.case-info span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  opacity: 0.85;
  letter-spacing: 0.04em;
}

.case-info .explore {
  display: inline-block;
  margin-top: 14px;
  padding: 6px 22px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  font-size: 13px;
}

/* ========== About ========== */
.about {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 80px clamp(24px, 8vw, 120px) 80px var(--header-gutter);
  background-size: cover;
  background-position: center right;
}

.about::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
}

.about-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 920px);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 48px 52px;
  display: grid;
  grid-template-columns: 0.85fr 1.4fr;
  gap: 36px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.about-panel .label {
  color: var(--brand);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.about-panel h2 {
  margin-top: 10px;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
}

.about-panel .bar {
  width: 40px;
  height: 3px;
  background: #111;
  margin-top: 18px;
}

.about-panel .copy p {
  font-size: 14px;
  color: #444;
  margin-bottom: 14px;
  text-align: justify;
}

.btn-pill {
  display: inline-flex;
  margin-top: 10px;
  padding: 8px 28px;
  border: 1px solid #222;
  border-radius: 999px;
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}

.btn-pill:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* ========== Showroom (replaces VR) ========== */
.showroom {
  background: #fff;
}

.showroom-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

.showroom-card .pic {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #eee;
}

.showroom-card .pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.showroom-card:hover .pic img {
  transform: scale(1.05);
}

.showroom-card .badge {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 4px 10px;
  background: var(--brand);
  color: #fff;
  font-size: 11px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.showroom-card h3 {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  line-height: 1.45;
}

/* ========== Advantages ========== */
.advantages {
  background: #fff;
  padding-top: 48px;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 24px;
  text-align: center;
}

.adv-item .icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.adv-item .icon svg {
  width: 40px;
  height: 40px;
  fill: currentColor;
}

.adv-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.adv-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin-inline: auto;
}

/* ========== Process ========== */
.process {
  background: var(--bg-soft);
}

.process-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.process-card {
  flex: 1 1 160px;
  max-width: 200px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 28px 16px 24px;
  text-align: center;
  position: relative;
}

.process-card + .process-card {
  margin-left: -1px;
}

.process-arrow {
  display: flex;
  align-items: center;
  color: #ccc;
  font-size: 22px;
  padding: 0 4px;
  flex-shrink: 0;
}

.process-card .num-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  color: var(--brand);
}

.process-card .num-icon svg {
  width: 48px;
  height: 48px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}

.process-card h3 {
  color: var(--brand);
  font-size: 22px;
  font-weight: 800;
}

.process-card .sub {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 700;
}

.process-card p {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========== News ========== */
.news {
  background: #fff;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  transition: transform 0.25s ease;
}

.news-card:hover {
  transform: translateY(-4px);
}

.news-card .pic {
  aspect-ratio: 76 / 50;
  overflow: hidden;
  background: #eee;
}

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

.news-card h3 {
  margin-top: 14px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .date {
  margin-top: 10px;
  font-size: 12px;
  color: #aaa;
}

.news .btn-wrap {
  text-align: center;
}

/* ========== Footer ========== */
.site-footer {
  background: #004075;
  color: rgba(255, 255, 255, 0.88);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 1.1fr;
  gap: 32px;
  padding-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact .phone {
  display: inline-block;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.footer-contact .phone:hover {
  color: #fff;
  opacity: 0.88;
}

.footer-contact .tip {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
}

.footer-contact .wx {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-contact .footer-qr {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 0 10px;
  padding: 6px;
  background: #fff;
  object-fit: contain;
}

.footer-contact .footer-qr + .tip {
  margin-bottom: 8px;
}

.footer-contact .brand-note,
.footer-contact .footer-brand {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding: 18px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}

/* ========== Floating widgets ========== */
.side-bar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  width: 52px;
  background: var(--brand-dark);
  overflow: visible;
}

.side-btn {
  width: 52px;
  min-height: 52px;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.92);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.side-bar > .side-btn:last-child {
  border-bottom: 0;
}

.side-btn i {
  font-style: normal;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.06em;
}

.side-btn:hover,
.side-item:hover > .side-btn {
  background: var(--brand);
  color: #fff;
}

.side-bar svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex: 0 0 auto;
}

.side-bar .side-btn svg[stroke] {
  fill: none;
}

.side-item {
  position: relative;
}

.side-item::before {
  content: "";
  position: absolute;
  right: 100%;
  top: 0;
  bottom: 0;
  width: 14px;
}

.side-pop {
  position: absolute;
  right: calc(100% + 8px);
  top: 50%;
  z-index: 100;
  transform: translate(6px, -50%);
  background: #fff;
  border: 1px solid #e8e8e8;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.16s ease,
    transform 0.16s ease,
    visibility 0.16s;
  white-space: nowrap;
}

.side-pop::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  width: 9px;
  height: 9px;
  background: #fff;
  border-right: 1px solid #e8e8e8;
  border-top: 1px solid #e8e8e8;
  transform: translateY(-50%) rotate(45deg);
}

.side-pop b {
  font-weight: 600;
  font-size: 13px;
  color: var(--brand);
}

.side-pop--tip {
  padding: 14px 18px;
  align-items: flex-start;
  gap: 6px;
}

.side-pop--tip a {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.side-pop--tip a:hover {
  color: var(--brand);
}

.side-pop--qr {
  padding: 14px 14px 12px;
  gap: 10px;
}

.side-pop--qr img {
  display: block;
  width: 128px;
  height: 128px;
  background: #fff;
}

.side-pop--qr span {
  font-size: 12px;
  color: #777;
}

.side-item:hover .side-pop {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%);
  pointer-events: auto;
}

.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #cfcfcf;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, background 0.2s;
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-top:hover {
  background: var(--brand);
}

.back-top svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ========== Inner pages ========== */
.page-banner {
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 20px;
  background:
    linear-gradient(120deg, rgba(7, 30, 66, 0.88), rgba(10, 42, 92, 0.72)),
    url("../assets/hero/slide1.png?v=9") center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.page-banner h1 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-banner p {
  margin-top: 12px;
  font-size: 15px;
  opacity: 0.9;
}

.page-banner-label {
  font-size: 12px;
  letter-spacing: 0.22em;
  opacity: 0.75;
  margin-bottom: 8px;
}

.page-banner-label[hidden],
.page-banner h1[hidden],
.page-banner-sub[hidden],
.page-banner p[hidden] {
  display: none !important;
}

/* ========== Products page: icon tabs + list ========== */
.products-page {
  background: #fff;
  padding-top: 0;
  padding-bottom: 72px;
}

.cat-tabs {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  border: 1px solid #ebebeb;
  background: #fff;
  margin-bottom: 40px;
}

.cat-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 72px;
  padding: 14px 8px;
  color: #555;
  font-size: 14px;
  border-right: 1px solid #ebebeb;
  border-bottom: 1px solid #ebebeb;
  background: #fff;
  transition: color 0.2s ease, background 0.2s ease;
}

.cat-tab:nth-child(8n) {
  border-right: none;
}

.cat-tab:nth-last-child(-n + 8) {
  border-bottom: none;
}

.cat-tab svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.cat-tab span {
  white-space: nowrap;
  font-weight: 500;
}

.cat-tab:hover {
  color: var(--brand);
  background: #f7f9fc;
}

.cat-tab.is-active {
  color: var(--brand);
  background: #f3f6fb;
  font-weight: 700;
}

.products-list-head {
  margin-bottom: 28px;
}

.products-list-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.sku-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 22px;
}

.sku-card {
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
}

.sku-card.is-hidden {
  display: none;
}

.sku-card:hover {
  transform: translateY(-3px);
}

.sku-media {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f0f2f5;
}

.sku-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

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

.sku-body {
  padding: 16px 2px 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sku-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.4;
}

.sku-title-link {
  color: inherit;
  text-decoration: none;
}

.sku-title-link:hover h3 {
  color: var(--brand);
}

.sku-body p {
  font-size: 13px;
  color: #999;
  line-height: 1.55;
}

/* ========== Product detail ========== */
.product-detail {
  padding-top: 36px;
}

.pd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 13px;
  color: #999;
}

.pd-breadcrumb a {
  color: #666;
  transition: color 0.2s;
}

.pd-breadcrumb a:hover {
  color: var(--brand);
}

.pd-breadcrumb span:last-child {
  color: #333;
  font-weight: 600;
}

.pd-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 48px;
}

.pd-gallery {
  background: #f3f5f8;
  overflow: hidden;
}

.pd-gallery-main {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f3f5f8;
}

.pd-gallery-main img,
.pd-gallery > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pd-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 8px;
  padding: 10px 0 0;
  background: #fff;
}

.pd-gallery-thumbs[hidden] {
  display: none !important;
}

.pd-thumb {
  border: 2px solid transparent;
  padding: 0;
  margin: 0;
  background: #f3f5f8;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 2px;
}

.pd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pd-thumb.is-active,
.pd-thumb:hover {
  border-color: var(--brand, #0a2a5c);
}

.ad-cover {
  margin: 0 0 28px;
}

.ad-cover-main {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f3f5f8;
}

.ad-cover-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ad-cover-thumbs {
  padding-top: 12px;
}

.pd-cat {
  font-size: 13px;
  color: var(--brand);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.pd-info h1 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.pd-desc {
  font-size: 15px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 24px;
}

.pd-specs {
  display: grid;
  gap: 0;
  border-top: 1px solid #ebebeb;
  margin-bottom: 28px;
}

.pd-spec {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #ebebeb;
  font-size: 14px;
}

.pd-spec span {
  color: #999;
}

.pd-spec strong {
  color: #222;
  font-weight: 600;
}

.pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.pd-actions .btn-solid,
.pd-actions .btn-outline {
  min-width: 148px;
  text-align: center;
  padding: 12px 20px;
}

.pd-tip {
  font-size: 13px;
  color: #999;
}

.pd-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}

.pd-panel {
  background: #f7f9fc;
  padding: 28px 26px;
}

.pd-panel h2 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.pd-features {
  list-style: none;
  display: grid;
  gap: 12px;
}

.pd-features li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: #444;
}

.pd-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.pd-panel p {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
}

.pd-related-section.is-hidden {
  display: none;
}

.pd-related-card {
  text-decoration: none;
  color: inherit;
}

.pd-related-card .sku-media {
  display: block;
}

@media (max-width: 900px) {
  .pd-hero,
  .pd-panels {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pd-gallery {
    aspect-ratio: 16 / 10;
  }
}

/* ========== Case detail ========== */
.case-detail .cd-gallery {
  box-shadow: 0 12px 40px rgba(10, 42, 92, 0.08);
}

.cd-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 28px 32px;
  margin-bottom: 56px;
  background: linear-gradient(135deg, var(--brand) 0%, #0d3a7a 100%);
  color: #fff;
}

.cd-cta-text strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}

.cd-cta-text span {
  font-size: 14px;
  opacity: 0.88;
}

.cd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cd-cta .btn-solid {
  background: #fff;
  color: var(--brand);
  border-color: #fff;
}

.cd-cta .btn-solid:hover {
  background: #f0f4fa;
}

.cd-cta .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.cd-cta .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.case-related {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-detail.is-empty .pd-hero,
.case-detail.is-empty .pd-panels,
.case-detail.is-empty .cd-cta,
.case-detail.is-empty #cdRelatedSection {
  display: none;
}

@media (max-width: 900px) {
  .case-related {
    grid-template-columns: 1fr;
  }

  .cd-cta {
    padding: 24px 20px;
  }
}

/* ========== Article detail ========== */
.article-detail {
  padding-top: 36px;
  padding-bottom: 72px;
}

.ad-article {
  max-width: 800px;
  margin: 0 auto 48px;
}

.ad-header {
  margin-bottom: 32px;
}

.ad-cat {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  background: rgba(10, 42, 92, 0.06);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
}

.ad-header h1 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  color: #111;
}

.ad-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.ad-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #ccc;
}

.ad-lead {
  margin-top: 20px;
  padding: 18px 20px;
  background: #f6f7f9;
  border-left: 3px solid var(--accent-wood);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
}

.ad-cover {
  margin: 0 0 36px;
  overflow: hidden;
  border-radius: 6px;
  background: #f3f5f8;
  aspect-ratio: 16 / 9;
}

.ad-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ad-body {
  font-size: 15px;
  line-height: 1.9;
  color: #444;
}

.ad-body p {
  margin-bottom: 18px;
  text-align: justify;
}

.ad-body h2 {
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  color: #111;
}

.ad-body ul {
  margin: 0 0 18px;
  padding-left: 0;
  list-style: none;
}

.ad-body li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 14px;
  line-height: 1.75;
  color: #555;
}

.ad-body li:last-child {
  border-bottom: none;
}

.ad-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-wood);
}

.ad-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

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

.ad-tag {
  padding: 5px 12px;
  background: #f6f7f9;
  border: 1px solid rgba(10, 42, 92, 0.08);
  font-size: 12px;
  color: var(--text-light);
}

.ad-back {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  transition: color 0.2s;
}

.ad-back:hover {
  color: var(--brand-soft);
}

.ad-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  max-width: 800px;
  margin: 0 auto 56px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--brand) 0%, #0d3a7a 100%);
  color: #fff;
  border-radius: 6px;
}

.ad-cta-text strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

.ad-cta-text span {
  font-size: 13px;
  opacity: 0.88;
}

.ad-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ad-cta .btn-solid {
  background: #fff;
  color: var(--brand);
  border-color: #fff;
}

.ad-cta .btn-solid:hover {
  background: #f0f4fa;
}

.ad-cta .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.ad-cta .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.ad-related {
  max-width: var(--max);
  margin: 0 auto;
}

.ad-related .section-head {
  margin-bottom: 32px;
}

.ad-related-grid {
  grid-template-columns: repeat(3, 1fr);
}

.article-detail.is-empty .ad-cover,
.article-detail.is-empty .ad-body,
.article-detail.is-empty .ad-footer,
.article-detail.is-empty .ad-cta,
.article-detail.is-empty #adRelatedSection,
#adRelatedSection.is-hidden {
  display: none;
}

@media (max-width: 900px) {
  .ad-article {
    margin-bottom: 36px;
  }

  .ad-cover {
    margin-bottom: 28px;
    border-radius: 4px;
  }

  .ad-body h2 {
    margin-top: 28px;
    font-size: 18px;
  }

  .ad-cta {
    padding: 24px 20px;
    margin-bottom: 40px;
  }

  .ad-related-grid {
    grid-template-columns: 1fr;
  }

  .ad-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

.products-cta {
  margin-top: 48px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--brand-dark);
  color: #fff;
}

.products-cta h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.products-cta p {
  font-size: 14px;
  opacity: 0.82;
}

.btn-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: #fff;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-solid:hover {
  background: var(--accent-wood);
  color: #fff;
  transform: translateY(-1px);
}

.page-main {
  padding: 64px 0 80px;
}

.coop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}

.coop-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 28px 22px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.coop-card:hover {
  border-color: var(--brand);
  transform: translateY(-3px);
}

.coop-card .tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.coop-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 10px;
}

.coop-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.sp-offer {
  padding: 72px 0 80px;
}

.sp-offer .proc-assure-head {
  margin-bottom: 44px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px 28px;
}

.support-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(10, 42, 92, 0.07);
  box-shadow: 0 4px 18px rgba(10, 42, 92, 0.05);
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.25s ease;
}

.support-card:hover {
  transform: translateY(-5px);
  border-color: rgba(10, 42, 92, 0.12);
  box-shadow: 0 14px 36px rgba(10, 42, 92, 0.1);
}

.support-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--brand-dark);
}

.support-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 30, 66, 0.42) 0%, transparent 55%);
  pointer-events: none;
}

.support-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.support-card:hover .support-card-media img {
  transform: scale(1.05);
}

.support-card-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 1;
  padding: 6px 11px;
  background: rgba(7, 30, 66, 0.88);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--accent-wood);
  font-variant-numeric: tabular-nums;
}

.support-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px 24px 26px;
}

.support-card-body h3 {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: #111;
}

.support-card-body h3::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  margin-top: 10px;
  background: var(--accent-wood);
  transition: width 0.3s ease;
}

.support-card:hover .support-card-body h3::after {
  width: 40px;
}

.support-card-body p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-light);
}

/* ========== Support — network & brand ========== */
.sp-network {
  padding: 72px 0;
  background: #f4f5f7;
}

.sp-brand {
  padding: 72px 0;
  background: #fff;
}

.sp-block-head {
  margin-bottom: 32px;
  text-align: center;
}

.sp-block-head h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  color: #111;
}

.sp-block-head h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin: 14px auto 0;
  background: var(--brand);
}

.sp-block-head p {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-muted);
}

.sp-block {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(10, 42, 92, 0.07);
  overflow: hidden;
}

.sp-block-intro {
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
  background: #fafbfc;
}

.sp-block-intro p {
  max-width: 820px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-light);
  text-align: justify;
}

.sp-block-intro p + p {
  margin-top: 10px;
}

.sp-network-body {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
}

.sp-block-photo {
  position: relative;
  margin: 0;
  min-height: 100%;
  background: var(--brand-dark);
}

.sp-block-photo img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
}

.sp-block-photo figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 24px;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 30, 66, 0.88) 72%);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
}

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

.sp-partner-card {
  padding: 26px 28px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.sp-partner-card:nth-child(odd) {
  border-left: none;
}

.sp-partner-card:nth-last-child(-n + 2) {
  border-bottom: none;
}

.sp-partner-no {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-wood);
}

.sp-partner-card h3 {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--brand);
}

.sp-partner-card p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-light);
}

.sp-brand-top {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1.12fr);
  border-bottom: 1px solid var(--line);
}

.sp-brand-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px 40px;
}

.sp-brand-copy blockquote {
  margin: 0 0 18px;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--accent-wood);
}

.sp-brand-copy blockquote p {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.85;
  color: var(--brand);
}

.sp-brand-copy > p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-light);
}

.sp-value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fafbfc;
}

.sp-value-card {
  padding: 28px 26px;
  border-right: 1px solid var(--line);
}

.sp-value-card:last-child {
  border-right: none;
}

.sp-value-no {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-wood);
}

.sp-value-card h3 {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 800;
  color: #111;
}

.sp-value-card p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-light);
}

.contact-panel {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 28px 20px;
}

.contact-panel .item {
  text-align: center;
  padding: 8px 12px;
}

.contact-panel .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.contact-panel .value {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.5;
}

.timeline {
  display: grid;
  gap: 0;
  max-width: 860px;
  margin: 0 auto;
}

.timeline-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 0 0 28px;
  position: relative;
}

.timeline-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: 0;
  width: 2px;
  background: #dce3ef;
}

.timeline-step .n {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.timeline-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-step p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
}

.about-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.about-block {
  background: var(--bg-soft);
  padding: 28px 26px;
}

.about-block h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--brand);
}

.about-block p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  text-align: justify;
}

/* ========== About page ========== */
.ab-mast {
  padding: 56px 0 0;
  background: #fff;
}

.ab-mast-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: end;
}

.ab-mast-copy h1 {
  font-size: clamp(36px, 4.6vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--brand);
}

.ab-mast-copy .ab-lead {
  max-width: 18em;
  margin: 18px 0 28px;
}

.ab-mast-photo {
  margin: 0;
}

.ab-mast-photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.ab {
  padding: 72px 0;
  background: #fff;
}

.ab--soft {
  background: #f6f7f9;
}

.ab-kicker {
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand);
}

.ab-kicker--light {
  color: rgba(255, 255, 255, 0.75);
}

.ab h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  color: #141414;
}

.ab-intro {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 40px;
  align-items: start;
}

.ab-lead {
  margin: 16px 0 28px;
  max-width: 16em;
  font-size: 16px;
  line-height: 1.75;
  color: #5c5c5c;
}

.ab-copy p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.9;
  color: #3a3a3a;
}

.ab-copy p:last-child {
  margin-bottom: 0;
}

.ab-head {
  max-width: 640px;
  margin-bottom: 36px;
}

.ab-pair,
.ab-scope,
.ab-steps,
.ab-proof {
  display: grid;
  gap: 16px;
}

.ab-pair {
  grid-template-columns: 1fr 1fr;
}

.ab-pair article {
  background: #fff;
  padding: 28px 24px;
}

.ab-pair h3,
.ab-proof h3,
.ab-steps b {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--brand);
}

.ab-pair p,
.ab-proof p,
.ab-steps p,
.ab-scope span,
.ab-points span {
  font-size: 14px;
  line-height: 1.75;
  color: #666;
}

.ab-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.ab-split figure {
  margin: 0;
}

.ab-split img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.ab-points {
  margin-top: 28px;
  display: grid;
}

.ab-points li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid #e6e6e6;
}

.ab-points strong {
  font-size: 16px;
  color: #141414;
}

.ab-scope {
  grid-template-columns: repeat(4, 1fr);
}

.ab-scope div {
  background: #fff;
  padding: 22px 18px;
}

.ab-scope strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--brand);
}

.ab-steps {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 8px;
  list-style: none;
}

.ab-steps li {
  padding-right: 12px;
}

.ab-more {
  display: inline-flex;
  margin-top: 28px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--brand);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}

.ab-proof {
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid #e5e5e5;
}

.ab-proof article {
  padding: 28px 28px 4px 0;
}

.ab-cta {
  background: var(--brand);
  color: #fff;
  padding: 64px 0;
}

.ab-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.ab-cta h2 {
  max-width: 12em;
  color: #fff;
}

.ab-cta-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}

.ab-cta-btn {
  border-color: #fff;
  color: #fff;
}

.ab-cta-btn:hover {
  background: #fff;
  border-color: #fff;
  color: var(--brand);
}

.ab-cta-phone {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
}

/* About page */
.ab-facts {
  background: linear-gradient(120deg, var(--brand-dark), var(--brand));
  border-bottom: none;
}

.ab-facts-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.ab-fact {
  padding: 28px 16px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.ab-fact:last-child {
  border-right: none;
}

.ab-fact strong {
  display: block;
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.ab-fact span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.ab .section-head h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin: 14px auto 0;
  background: #111;
}

.ab--soft .section-head h2::after {
  background: var(--brand);
}

.ab-subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease-out;
}

.ab-subnav.is-scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.ab-subnav-inner {
  position: relative;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.ab-subnav-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--brand);
  pointer-events: none;
  transition: left 0.25s cubic-bezier(0.22, 1, 0.36, 1), width 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.ab-subnav-inner::-webkit-scrollbar {
  display: none;
}

.ab-subnav-link {
  flex-shrink: 0;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease-out, border-color 0.15s ease-out;
}

.ab-subnav-link:hover {
  color: var(--brand);
}

.ab-subnav-link.is-active {
  color: var(--brand);
  border-bottom-color: transparent;
}

.ab-section {
  scroll-margin-top: calc(var(--header-h) + 48px);
}

.ab-copy--narrow {
  max-width: 720px;
  margin-inline: auto;
}

.ab .ab-copy p {
  text-align: justify;
}

.ab-intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.ab-intro-photo {
  margin: 0;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(10, 42, 92, 0.12);
}

.ab-intro-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.ab-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  list-style: none;
}

.ab-pillars li:not(.ab-pillar-card) {
  padding: 24px 22px;
  background: #fff;
  border-top: 3px solid var(--brand);
}

.ab--soft .ab-pillars li:not(.ab-pillar-card) {
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
}

.ab-pillars h3 {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--brand);
}

.ab-pillars p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
}

.ab-design {
  position: relative;
  overflow: hidden;
}

.ab-design::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(196, 165, 116, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(10, 42, 92, 0.04), transparent 55%);
  pointer-events: none;
}

.ab-design > .container {
  position: relative;
  z-index: 1;
}

.ab-design-layout {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 8px;
}

.ab-design-layout .ab-copy--narrow {
  max-width: none;
}

.ab-design-visual {
  position: relative;
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(10, 42, 92, 0.12);
}

.ab-design-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: inherit;
  pointer-events: none;
}

.ab-design-visual img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ab-design-visual:hover img {
  transform: scale(1.02);
}

.ab-pillars--visual {
  gap: 18px;
}

.ab-pillar-card {
  position: relative;
  min-height: 240px;
  padding: 0;
  border: none;
  border-radius: 6px;
  overflow: hidden;
  background: var(--brand-dark);
  box-shadow: 0 4px 20px rgba(10, 42, 92, 0.1);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease-out;
}

.ab-pillar-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(10, 42, 92, 0.22);
}

.ab-pillar-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(7, 30, 66, 0.1) 0%,
    rgba(7, 30, 66, 0.45) 45%,
    rgba(7, 30, 66, 0.88) 100%
  );
  pointer-events: none;
  transition: opacity 0.35s ease-out;
}

.ab-pillar-card:hover::after {
  opacity: 0.92;
}

.ab-pillar-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ab-pillar-card:hover .ab-pillar-bg {
  transform: scale(1.06);
}

.ab-pillar-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 240px;
  padding: 28px 24px;
}

.ab-pillar-num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--accent-wood);
}

.ab-pillars--visual h3 {
  margin-bottom: 6px;
  color: #fff;
  font-size: 18px;
}

.ab-pillars--visual p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  line-height: 1.65;
}

.ab-manufacturing {
  position: relative;
  background: #071e42;
  color: #e8edf5;
}

.ab-manufacturing::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(7, 30, 66, 0.88) 0%, rgba(10, 42, 92, 0.78) 50%, rgba(5, 20, 48, 0.92) 100%),
    url("../assets/cases/manufacturing.jpg") center / cover no-repeat;
  pointer-events: none;
}

.ab-manufacturing > .container {
  position: relative;
  z-index: 1;
}

.ab-manufacturing .section-head h2 {
  color: #fff;
}

.ab-manufacturing .section-head p {
  color: rgba(255, 255, 255, 0.62);
}

.ab-manufacturing .section-head h2::after {
  background: var(--accent-wood);
}

.ab-manufacturing .ab-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.ab-factory.ab-factory--visual {
  position: relative;
  min-height: 260px;
  padding: 0;
  border: none;
  border-radius: 6px;
  overflow: hidden;
  background: var(--brand-dark);
  box-shadow: 0 4px 20px rgba(10, 42, 92, 0.1);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease-out;
}

.ab-factory.ab-factory--visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(7, 30, 66, 0.82) 0%,
    rgba(10, 42, 92, 0.55) 55%,
    rgba(10, 42, 92, 0.72) 100%
  );
  pointer-events: none;
}

.ab-factory.ab-factory--visual:hover {
  border-color: transparent;
  box-shadow: 0 18px 44px rgba(10, 42, 92, 0.24);
  transform: translateY(-4px);
}

.ab-factory-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ab-factory--visual:hover .ab-factory-bg {
  transform: scale(1.05);
}

.ab-factory-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 260px;
  padding: 32px 28px 28px;
  color: #fff;
}

.ab-factory-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  background: rgba(196, 165, 116, 0.85);
  border-radius: 2px;
}

.ab-factory--visual h3 {
  margin-bottom: 4px;
  color: #fff;
  font-size: 17px;
}

.ab-factory--visual .ab-factory-area {
  margin-bottom: 10px;
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}

.ab-factory--visual .ab-factory-addr {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.75);
}

.ab-qual-wrap {
  margin-top: 48px;
  padding: 36px 32px 32px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(246, 247, 249, 0.92) 100%),
    url("../assets/categories/wenjian.jpg") center / cover no-repeat;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(10, 42, 92, 0.06);
}

.ab-manufacturing .ab-qual-wrap {
  background: rgba(7, 30, 66, 0.45);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

.ab-manufacturing .ab-qual-title {
  color: #fff;
}

.ab-manufacturing .ab-qual-title::after {
  background: var(--accent-wood);
}

.ab-manufacturing .ab-qual--card {
  background: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.ab-manufacturing .ab-qual--card:hover {
  background: #fff;
  border-color: var(--accent-wood);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  transform: translateY(-2px);
}

.ab-manufacturing .ab-qual--card strong {
  color: var(--brand);
}

.ab-manufacturing .ab-qual--card span {
  color: var(--text-light);
}

.ab-qual-wrap .ab-qual-title {
  margin-top: 0;
}

.ab-qual-grid--cards {
  gap: 14px;
  background: transparent;
  border: none;
}

.ab-qual--card {
  border: 1px solid rgba(10, 42, 92, 0.08);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(10, 42, 92, 0.04);
  transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.2s ease-out;
}

.ab-qual--card:hover {
  background: #fff;
  border-color: rgba(10, 42, 92, 0.15);
  box-shadow: 0 8px 24px rgba(10, 42, 92, 0.1);
  transform: translateY(-2px);
}

.ab-qual--card strong {
  font-size: 20px;
}

.ab-systems .section-head {
  margin-bottom: 48px;
}

.ab-sys-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 32px;
}

.ab-sys-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(10, 42, 92, 0.07);
  box-shadow: 0 2px 14px rgba(10, 42, 92, 0.04);
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.25s ease;
}

.ab-sys-card:hover {
  transform: translateY(-6px);
  border-color: rgba(10, 42, 92, 0.14);
  box-shadow: 0 18px 44px rgba(10, 42, 92, 0.1);
}

.ab-sys-card-media {
  position: relative;
  display: block;
  overflow: hidden;
}

.ab-sys-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 30, 66, 0.22) 0%, transparent 48%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.ab-sys-card:hover .ab-sys-card-media::after {
  opacity: 1;
}

.ab-sys-card-media img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.ab-sys-card:hover .ab-sys-card-media img {
  transform: scale(1.05);
}

.ab-sys-card-body {
  position: relative;
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ab-sys-card-body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-wood) 0%, rgba(196, 165, 116, 0.15) 100%);
}

.ab-sys-num {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--accent-wood);
}

.ab-sys-card-body h3 {
  margin-bottom: 12px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--brand);
}

.ab-sys-card-body h3 a {
  color: inherit;
  transition: color 0.2s ease;
}

.ab-sys-card:hover .ab-sys-card-body h3 a {
  color: var(--brand-soft);
}

.ab-sys-card-body p {
  flex: 1;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-light);
}

.ab-sys-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(10, 42, 92, 0.08);
  width: 100%;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  transition: gap 0.25s ease, color 0.2s ease;
}

.ab-sys-cta::after {
  content: "→";
  font-size: 15px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.ab-sys-cta:hover {
  color: var(--brand-soft);
  gap: 10px;
}

.ab-sys-cta:hover::after {
  transform: translateX(3px);
}

.ab-factories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}

.ab-factory:not(.ab-factory--visual) {
  padding: 28px 24px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
  transition: border-color 0.2s ease-out, box-shadow 0.2s ease-out;
}

.ab-factory:not(.ab-factory--visual):hover {
  border-color: rgba(10, 42, 92, 0.25);
  border-top-color: var(--brand);
  box-shadow: 0 8px 24px rgba(10, 42, 92, 0.07);
}

.ab-factory:not(.ab-factory--visual) h3 {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--brand);
}

.ab-factory:not(.ab-factory--visual) .ab-factory-area {
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 800;
  color: #111;
  line-height: 1.1;
}

.ab-factory:not(.ab-factory--visual) p:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-light);
}

.ab-qual-title {
  margin: 40px 0 20px;
  font-size: 18px;
  font-weight: 800;
  color: #111;
  text-align: center;
}

.ab-qual-title::after {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  margin: 10px auto 0;
  background: var(--brand);
}

.ab-qual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.ab-qual {
  background: #fff;
  padding: 20px 18px;
  transition: background-color 0.2s ease-out;
}

.ab-qual:hover {
  background: #f8fafc;
}

.ab-qual strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--brand);
}

.ab-qual span {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-light);
}

.ab-flow-wrap {
  position: relative;
  margin: 32px 0;
}

.ab-flow-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--line);
  z-index: 1;
}

.ab-flow-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--brand);
  transition: width 0.35s ease-out;
}

.ab-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-top: none;
}

.ab-flow li {
  padding: 18px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  transition: background-color 0.25s ease-out;
}

.ab-flow li.is-active {
  background: rgba(10, 42, 92, 0.04);
}

.ab-flow li.is-active span {
  color: var(--brand);
}

.ab-flow li.is-active b {
  color: var(--brand);
}

.ab-flow li.is-done {
  background: #fafbfc;
}

.ab-flow li:nth-child(4n) {
  border-right: none;
}

.ab-flow li:nth-last-child(-n + 4) {
  border-bottom: none;
}

.ab-flow span {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.ab-flow b {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #111;
  line-height: 1.4;
}

.ab-clients {
  margin-top: 40px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  background: #fafbfc;
  max-width: 720px;
  margin-inline: auto;
}

.ab-clients h3 {
  margin-bottom: 14px;
  font-size: 18px;
  font-weight: 800;
  color: #111;
}

.ab-clients p {
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-light);
  text-align: justify;
}

.ab-clients-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  margin-top: 20px;
}

.ab-clients-actions .ab-more {
  margin-top: 0;
}

.ab-more--ghost {
  border-bottom-color: var(--text-muted);
  color: var(--text-light);
  font-weight: 600;
}

.ab-more--ghost:hover {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

/* Process page — solution module */
.proc-solution {
  padding-bottom: 64px;
}

.proc-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

.proc-hero-copy .ab-kicker {
  margin-bottom: 10px;
}

.proc-hero-copy h2 {
  margin-bottom: 12px;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  color: #111;
}

.proc-hero-lead {
  margin-bottom: 20px;
  font-size: 15px;
  color: var(--text-muted);
}

.proc-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 20px;
  list-style: none;
}

.proc-stats li {
  padding: 10px 16px;
  background: #f6f7f9;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-light);
}

.proc-stats strong {
  margin-right: 6px;
  font-size: 15px;
  font-weight: 800;
  color: var(--brand);
}

.proc-hero-text p {
  font-size: 15px;
  line-height: 1.9;
  color: #444;
  text-align: justify;
}

.proc-hero-visual {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 20px 48px rgba(10, 42, 92, 0.12);
}

.proc-hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.proc-flow-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--brand);
}

.proc-flow-head h3 {
  font-size: 20px;
  font-weight: 800;
  color: #111;
}

.proc-flow-head p {
  font-size: 13px;
  color: var(--text-muted);
}

.proc-flow-wrap {
  margin-top: 0;
}

.proc-flow-wrap .ab-flow-progress {
  display: none;
}

.proc-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  border: none;
  background: transparent;
}

.proc-flow li {
  display: flex;
  flex-direction: column;
  padding: 0;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(10, 42, 92, 0.08);
  box-shadow: 0 4px 18px rgba(10, 42, 92, 0.06);
  transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.2s ease-out;
}

.proc-flow li:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(10, 42, 92, 0.12);
}

.proc-flow li.is-active {
  background: #fff;
  border-color: rgba(10, 42, 92, 0.22);
  box-shadow: 0 12px 36px rgba(10, 42, 92, 0.14);
}

.proc-flow li.is-active .proc-step-media::after {
  opacity: 1;
}

.proc-flow li.is-done {
  background: #fff;
}

.proc-step-media {
  position: relative;
  overflow: hidden;
}

.proc-step-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.proc-flow li:hover .proc-step-media img {
  transform: scale(1.04);
}

.proc-step-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7, 30, 66, 0.35) 100%);
  opacity: 0.65;
  transition: opacity 0.25s ease-out;
  pointer-events: none;
}

.proc-step-num {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 1;
  padding: 4px 10px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.92);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--brand);
}

.proc-flow b {
  display: block;
  padding: 14px 14px 4px;
  font-size: 15px;
  text-align: left;
}

.proc-step-desc {
  display: block;
  padding: 0 14px 16px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
  text-align: left;
}

.proc-flow li.is-active b,
.proc-flow li.is-active .proc-step-num {
  color: var(--brand);
}

.proc-flow li.is-active .proc-step-desc {
  color: var(--text-light);
}

.proc-trust {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 28px rgba(10, 42, 92, 0.06);
}

.proc-trust-visual {
  margin: 0;
  min-height: 100%;
}

.proc-trust-visual img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
}

.proc-trust .ab-clients {
  margin: 0;
  max-width: none;
  border: none;
  background: #fafbfc;
  border-radius: 0;
}

.proc-scenes {
  padding: 64px 0;
}

.proc-scenes-head {
  max-width: 640px;
  margin-bottom: 32px;
  text-align: left;
}

.proc-scenes-head .ab-kicker {
  margin-bottom: 10px;
}

.proc-scenes-head h2 {
  margin-bottom: 10px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: #111;
}

.proc-scenes-head h2::after {
  display: none;
}

.proc-scenes-head p {
  font-size: 15px;
  color: var(--text-muted);
}

.proc-scenes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.proc-scene {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 4px 16px rgba(10, 42, 92, 0.05);
  transition:
    transform 0.25s ease-out,
    box-shadow 0.25s ease-out,
    border-color 0.2s ease-out;
}

.proc-scene:hover {
  border-color: rgba(10, 42, 92, 0.18);
  box-shadow: 0 14px 36px rgba(10, 42, 92, 0.1);
  transform: translateY(-3px);
}

.proc-scene img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.proc-scene:hover img {
  transform: scale(1.04);
}

.proc-scene-body {
  padding: 18px 18px 20px;
}

.proc-scene-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
  background: rgba(10, 42, 92, 0.07);
  border-radius: 2px;
}

.proc-scene h3 {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: #111;
}

.proc-scene p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-light);
}

.proc-scenes-foot {
  margin-top: 28px;
  text-align: center;
}

.proc-assure {
  padding: 72px 0;
  background: #fff;
  border-top: 1px solid var(--line);
}

.proc-assure-head {
  max-width: 520px;
  margin-bottom: 44px;
  text-align: left;
}

.proc-assure-head .ab-kicker {
  margin-bottom: 10px;
}

.proc-assure-head h2 {
  margin-bottom: 12px;
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  color: #111;
}

.proc-assure-head h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-top: 14px;
  background: var(--brand);
}

.proc-assure-head p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light);
}

.proc-assure-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: stretch;
}

.proc-assure-visual {
  position: relative;
  margin: 0;
  min-height: 100%;
  overflow: hidden;
  background: var(--brand-dark);
}

.proc-assure-visual img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  display: block;
}

.proc-assure-stat {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 28px 26px;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 30, 66, 0.88) 68%);
  color: #fff;
}

.proc-assure-stat strong {
  display: block;
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
}

.proc-assure-stat span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.proc-assure-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.proc-assure-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease-out;
}

.proc-assure-item:first-child {
  padding-top: 0;
}

.proc-assure-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.proc-assure-item:hover {
  background: linear-gradient(90deg, rgba(10, 42, 92, 0.03) 0%, transparent 100%);
}

.proc-assure-index {
  padding-top: 2px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}

.proc-assure-body h3 {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: #111;
}

.proc-assure-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-light);
}

/* About — qualification honors */
.ab-honors {
  padding: 72px 0;
  background: #fafbfc;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ab-honors-head {
  max-width: 720px;
  margin-bottom: 44px;
  text-align: left;
}

.ab-honors-head h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
  line-height: 1.3;
  color: #141414;
}

.ab-honors-head h2::after {
  display: none;
}

.ab-honors-lead {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
}

.ab-honors-strip {
  width: 100%;
}

.ab-honors-grid {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 24px 14px;
  align-items: start;
}

.ab-honor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  text-align: center;
}

.ab-honor-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 3 / 4.15;
  margin: 0 0 16px;
  padding: 8px;
  border: 1px solid #dfe5ee;
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 3px 14px rgba(10, 42, 92, 0.07);
  overflow: hidden;
  cursor: zoom-in;
  transition: border-color 0.25s ease-out, box-shadow 0.25s ease-out, transform 0.25s ease-out;
}

.ab-honor-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.ab-honor-thumb:hover,
.ab-honor-thumb:focus-visible {
  border-color: rgba(10, 42, 92, 0.28);
  box-shadow: 0 12px 32px rgba(10, 42, 92, 0.14);
  transform: translateY(-4px);
  outline: none;
}

.ab-honor-card h3 {
  margin-bottom: 5px;
  font-size: clamp(12px, 1.1vw, 14px);
  font-weight: 800;
  color: #141414;
  line-height: 1.35;
}

.ab-honor-card p {
  font-size: clamp(11px, 1vw, 12px);
  line-height: 1.45;
  color: var(--text-muted);
}

.ab-cert-lightbox {
  width: min(94vw, 860px);
  max-height: 94vh;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  overflow: visible;
}

.ab-cert-lightbox::backdrop {
  background: rgba(7, 30, 66, 0.82);
  backdrop-filter: blur(4px);
}

.ab-cert-lightbox img {
  display: block;
  width: 100%;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.ab-cert-lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease-out;
}

.ab-cert-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* About — partner / client logos */
.ab-partners {
  position: relative;
  overflow: hidden;
}

.ab-partners::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(196, 165, 116, 0.07), transparent 65%),
    radial-gradient(ellipse 50% 35% at 100% 100%, rgba(10, 42, 92, 0.04), transparent 60%);
  pointer-events: none;
}

.ab-partners > .container {
  position: relative;
  z-index: 1;
}

.ab-partners .ab-copy--narrow {
  margin-bottom: 36px;
}

.ab-partners-marquee {
  position: relative;
  margin: 8px -24px 0;
  padding: 8px 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.ab-partners-row {
  overflow: hidden;
  padding: 10px 0;
}

.ab-partners-track {
  display: flex;
  width: max-content;
  animation: ab-partners-scroll 42s linear infinite;
}

.ab-partners-row--rev .ab-partners-track {
  animation-direction: reverse;
  animation-duration: 48s;
}

.ab-partners-row:nth-child(3) .ab-partners-track {
  animation-duration: 45s;
}

.ab-partners-set {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-right: 22px;
}

.ab-partners-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 210px;
  height: 112px;
  margin: 0;
  padding: 16px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(10, 42, 92, 0.05);
  transition: border-color 0.25s ease-out, box-shadow 0.25s ease-out, transform 0.25s ease-out;
}

.ab-partners-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s ease-out;
}

.ab-partners-logo:hover {
  border-color: rgba(10, 42, 92, 0.18);
  box-shadow: 0 8px 24px rgba(10, 42, 92, 0.1);
  transform: translateY(-2px);
}

.ab-partners-logo:hover img {
  transform: scale(1.04);
}

.ab-partners-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.ab-partners-foot p {
  max-width: 36em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-light);
}

.ab-partners-foot .ab-more {
  margin-top: 0;
  flex-shrink: 0;
}

@keyframes ab-partners-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ab-partners-track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    gap: 12px;
  }

  .ab-partners-set[aria-hidden="true"] {
    display: none;
  }

  .ab-partners-marquee {
    mask-image: none;
    -webkit-mask-image: none;
    margin-inline: 0;
  }

  .ab-partners-row {
    overflow: visible;
  }

  .ab-partners-set {
    flex-wrap: wrap;
    justify-content: center;
    padding-right: 0;
  }
}

.ab-pair article {
  border: 1px solid var(--line);
}

.ab-net {
  padding: 8px 0;
}

.ab-net-layout {
  display: grid;
  grid-template-columns: minmax(260px, 36%) 1fr;
  gap: 48px;
  align-items: start;
}

.ab-net-intro .ab-kicker {
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.ab-net-intro h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  color: #111;
}

.ab-net-intro h2::after {
  display: none;
}

.ab-net-lead {
  font-size: 15px;
  line-height: 1.85;
  color: #666;
}

.ab-net-mapvis {
  margin-top: 28px;
  max-width: 320px;
}

.ab-net-map-svg {
  display: block;
  width: 100%;
  height: auto;
}

.ab-net-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin-top: 24px;
  list-style: none;
}

.ab-net-metrics li {
  font-size: 13px;
  color: var(--text-light);
}

.ab-net-metrics strong {
  margin-right: 4px;
  font-size: 18px;
  font-weight: 800;
  color: var(--brand);
}

.ab-net-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ab-net-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: stretch;
}

.ab-net-thumb {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  background: #e8eaed;
}

.ab-net-thumb img {
  width: 100%;
  height: 100%;
  min-height: 90px;
  object-fit: cover;
  transition: transform 0.35s ease-out;
}

.ab-net-item:hover .ab-net-thumb img {
  transform: scale(1.04);
}

.ab-net-info {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition:
    border-color 0.2s ease-out,
    box-shadow 0.2s ease-out;
}

.ab-net-info:hover {
  border-color: rgba(61, 107, 82, 0.25);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
}

.ab-net-pin {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background: #3d6b52;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.ab-net-info-text {
  flex: 1;
  min-width: 0;
}

.ab-net-info h3 {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: #111;
}

.ab-net-info h3 em {
  margin-left: 6px;
  font-size: 13px;
  font-weight: 600;
  font-style: normal;
  color: var(--text-muted);
}

.ab-net-addr {
  font-size: 14px;
  line-height: 1.7;
  color: #777;
}

.ab-in {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--ab-delay, 0) * 70ms);
}

.ab-in.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .ab-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .ab-subnav-indicator,
  .ab-sys-card,
  .ab-sys-card-media img,
  .support-card,
  .support-card-media img,
  .support-card-body h3::after,
  .ab-intro-photo img,
  .ab-factory,
  .ab-qual,
  .ab-flow li,
  .ab-flow-progress span,
  .ab-net-info,
  .ab-net-thumb img {
    transition: none;
  }

  .ab-net-item:hover .ab-net-thumb img {
    transform: none;
  }
}


/* ========== Responsive ========== */
@media (max-width: 1100px) {
  .nav {
    gap: 16px;
  }

  .nav > a,
  .nav .nav-parent {
    font-size: 14px;
  }

  .mega-inner {
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
  }

  .mega-inner--cases {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .brand-slogan {
    display: none;
  }

  .brand-divider {
    display: none;
  }

  .product-grid,
  .showroom-grid,
  .coop-grid,
  .support-grid,
  .contact-panel,
  .about-blocks {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 16px;
  }

  .ab-honors-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px 16px;
  }

  .ab-net-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .ab-net-mapvis {
    max-width: 280px;
  }

  .sp-network-body,
  .sp-brand-top {
    grid-template-columns: 1fr;
  }

  .sp-block-photo {
    order: -1;
  }

  .sp-value-grid {
    grid-template-columns: 1fr;
  }

  .sp-value-card {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .sp-value-card:last-child {
    border-bottom: none;
  }

  .proc-scenes-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 60px;
    --header-gutter: max(10px, calc((100% - var(--header-max)) / 2));
  }

  .container {
    width: min(100% - 28px, var(--max));
  }

  .header-inner {
    width: min(100% - 20px, 1400px);
    gap: 12px;
  }

  .brand-logo {
    height: 38px;
  }

  .menu-toggle {
    display: flex;
    z-index: 110;
  }

  .menu-toggle[aria-expanded="true"] span {
    background: transparent;
  }

  .menu-toggle[aria-expanded="true"] span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .menu-toggle span,
  .menu-toggle span::before,
  .menu-toggle span::after {
    transition: transform 0.2s ease, top 0.2s ease, background 0.2s ease;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    flex: none;
    padding: 8px 20px calc(20px + env(safe-area-inset-bottom, 0px));
    gap: 0;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 105;
  }

  .nav.open {
    display: flex;
  }

  .nav > a,
  .nav .nav-parent {
    padding: 15px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .nav > a.active::after,
  .nav .nav-parent.active::after {
    display: none;
  }

  .nav > a.active,
  .nav .nav-parent.active {
    color: var(--brand);
    font-weight: 700;
  }

  .nav-item {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-item.has-mega::after {
    display: none;
  }

  .mega-menu {
    position: static;
    left: auto;
    top: auto;
    transform: none;
    width: 100%;
    padding: 0 0 10px;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    background: #f7f9fc;
  }

  .nav-item.is-open .mega-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .nav-item:hover .mega-menu {
    /* mobile: only open via tap, not hover */
    display: none;
  }

  .nav-item.is-open:hover .mega-menu {
    display: block;
  }

  .mega-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 8px 4px 4px;
  }

  .mega-inner--cases {
    grid-template-columns: repeat(2, 1fr);
  }

  .mega-item {
    padding: 6px;
  }

  .mega-item span {
    font-size: 12px;
  }

  .sku-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 12px;
  }

  .cat-tabs {
    grid-template-columns: repeat(4, 1fr);
  }

  .cat-tab {
    min-height: 64px;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    padding: 12px 4px;
    border-right: 1px solid #ebebeb;
    border-bottom: 1px solid #ebebeb;
  }

  .cat-tab:nth-child(8n) {
    border-right: 1px solid #ebebeb;
  }

  .cat-tab:nth-child(4n) {
    border-right: none;
  }

  .cat-tab:nth-last-child(-n + 8) {
    border-bottom: 1px solid #ebebeb;
  }

  .cat-tab:nth-last-child(-n + 4) {
    border-bottom: none;
  }

  .cat-tab svg {
    width: 24px;
    height: 24px;
  }

  .products-list-head {
    margin-bottom: 20px;
  }

  .products-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
  }

  .header-phone {
    display: none;
  }

  .section {
    padding: 48px 0;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .section-head h2 {
    font-size: clamp(22px, 6vw, 28px);
    line-height: 1.3;
  }

  .section-head p {
    font-size: 13px;
    padding: 0 8px;
    line-height: 1.6;
  }

  .hero {
    aspect-ratio: 1920 / 720;
    max-height: none;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .product-card .head {
    min-height: 96px;
    padding: 18px 10px 16px;
    gap: 10px;
  }

  .product-card .head h3 {
    font-size: 18px;
    letter-spacing: 0.02em;
  }

  .product-card .head .more {
    padding: 4px 12px;
    font-size: 11px;
  }

  .btn-outline {
    margin-top: 28px;
    width: min(100%, 280px);
    padding: 12px 20px;
  }

  .case-tabs {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0 22px;
    width: 100%;
    padding: 0 16px;
    scrollbar-width: none;
  }

  .case-tabs::-webkit-scrollbar {
    display: none;
  }

  .case-tab {
    flex: 0 0 auto;
    font-size: 14px;
    padding: 16px 2px 14px;
  }

  .case-list {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .case-list-wrap {
    padding-top: 24px;
  }

  .case-grid,
  .case-bottom {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .case-item {
    min-height: 220px;
  }

  .case-info {
    bottom: 24px;
    padding: 0 16px;
  }

  .case-info h3 {
    font-size: 20px;
  }

  .about {
    min-height: 0;
    padding: 48px 16px 48px var(--header-gutter);
  }

  .about-panel {
    grid-template-columns: 1fr;
    padding: 28px 20px;
    gap: 20px;
  }

  .about-panel h2 {
    font-size: 22px;
  }

  .about-panel .copy p {
    font-size: 13px;
    margin-bottom: 12px;
  }

  .showroom-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .adv-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .adv-item .icon {
    width: 72px;
    height: 72px;
    margin-bottom: 14px;
  }

  .adv-item .icon svg {
    width: 32px;
    height: 32px;
  }

  .news-grid,
  .coop-grid,
  .support-grid,
  .contact-panel,
  .about-blocks {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .news-card h3 {
    font-size: 15px;
  }

  .process-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .process-card {
    max-width: none;
    width: 100%;
    padding: 22px 16px;
  }

  .process-card + .process-card {
    margin-left: 0;
    margin-top: -1px;
  }

  .process-arrow {
    transform: rotate(90deg);
    padding: 2px 0;
    align-self: center;
  }

  .page-banner {
    min-height: 160px;
    padding: 48px 16px;
  }

  .page-banner h1 {
    font-size: clamp(24px, 7vw, 32px);
  }

  .page-main {
    padding: 40px 0 72px;
  }

  .coop-card,
  .about-block {
    padding: 22px 18px;
  }

  .support-grid {
    gap: 18px;
  }

  .support-card-body {
    padding: 18px 20px 22px;
  }

  .support-card-body h3 {
    font-size: 16px;
  }

  .support-card-badge {
    left: 14px;
    bottom: 14px;
  }

  .contact-panel {
    padding: 16px 12px;
    gap: 0;
  }

  .contact-panel .item {
    padding: 14px 10px;
    border-bottom: 1px solid var(--line);
  }

  .contact-panel .item:last-child {
    border-bottom: 0;
  }

  .timeline-step {
    grid-template-columns: 44px 1fr;
    gap: 14px;
    padding-bottom: 22px;
  }

  .timeline-step:not(:last-child)::before {
    left: 13px;
  }

  .timeline-step .n {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 20px;
    padding-bottom: 32px;
  }

  .footer-contact {
    grid-column: 1 / -1;
  }

  .footer-contact .phone {
    font-size: 20px;
  }

  .site-footer {
    padding: 40px 0 calc(72px + env(safe-area-inset-bottom, 0px));
  }

  /* 侧栏改为底部快捷栏，替代桌面悬浮条 */
  .side-bar {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    width: 100%;
    height: calc(56px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    flex-direction: row;
    justify-content: stretch;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
  }

  .side-bar > .side-btn:first-child,
  .side-bar > .side-btn:last-child {
    display: none;
  }

  .side-item {
    flex: 1;
    display: flex;
  }

  .side-btn {
    width: 100%;
    min-height: 56px;
    flex-direction: row;
    gap: 8px;
    border-bottom: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
  }

  .side-item:last-of-type .side-btn {
    border-right: 0;
  }

  .side-btn i {
    font-size: 13px;
  }

  .side-item::before {
    display: none;
  }

  .side-pop {
    right: auto;
    left: 50%;
    top: auto;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 6px);
  }

  .side-pop::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -5px;
    transform: translateX(-50%) rotate(45deg);
    border-right: 1px solid #e8e8e8;
    border-top: 0;
    border-bottom: 1px solid #e8e8e8;
    border-left: 0;
  }

  .side-item.open .side-pop {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    pointer-events: auto;
  }

  @media (hover: none) {
    .side-item:hover .side-pop {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transform: translate(-50%, 6px);
    }

    .side-item.open .side-pop {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translate(-50%, 0);
    }
  }

  .back-top {
    right: 16px;
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }

  body.nav-open {
    overflow: hidden;
  }

  .ab {
    padding: 48px 0;
  }

  .ab-mast {
    padding: 28px 0 0;
  }

  .ab-mast-grid,
  .ab-intro,
  .ab-pair,
  .ab-split,
  .ab-scope,
  .ab-steps,
  .ab-proof {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ab-mast-copy h1 {
    font-size: 34px;
  }

  .ab-mast-grid {
    align-items: start;
  }

  .ab-lead {
    max-width: none;
  }

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

  .ab-cta-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .ab-facts-inner,
  .ab-intro-grid,
  .ab-design-layout,
  .ab-sys-grid,
  .ab-factories,
  .ab-qual-grid,
  .ab-flow,
  .ab-pillars {
    grid-template-columns: 1fr;
  }

  .ab-sys-grid {
    gap: 20px;
  }

  .ab-sys-card-body {
    padding: 22px 20px 26px;
  }

  .ab-sys-card-body::before {
    left: 20px;
    right: 20px;
  }

  .ab-sys-card-body h3 {
    font-size: 18px;
  }

  .ab-design-layout {
    gap: 28px;
  }

  .ab-design-visual {
    order: -1;
  }

  .ab-fact {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .ab-fact:last-child {
    border-bottom: none;
  }

  .ab-pillars {
    gap: 12px;
  }

  .ab-pillars:not(.ab-pillars--visual) li {
    padding: 20px 18px;
  }

  .ab-pillar-card {
    min-height: 200px;
  }

  .ab-pillar-inner {
    min-height: 200px;
    padding: 22px 20px;
  }

  .ab-factory.ab-factory--visual {
    min-height: 220px;
  }

  .ab-factory-content {
    min-height: 220px;
    padding: 24px 22px 22px;
  }

  .ab-factory--visual .ab-factory-area {
    font-size: 30px;
  }

  .ab-qual-wrap {
    padding: 28px 20px 20px;
  }

  .ab-clients {
    padding: 24px 20px;
  }

  .ab-clients-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .ab-partners-marquee {
    margin-inline: 0;
  }

  .ab-partners-logo {
    width: 168px;
    height: 92px;
    padding: 14px 16px;
  }

  .ab-partners-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .proc-hero,
  .proc-trust {
    grid-template-columns: 1fr;
  }

  .sp-partner-grid,
  .sp-value-grid {
    grid-template-columns: 1fr;
  }

  .sp-partner-card {
    border-left: none;
    border-bottom: 1px solid var(--line);
  }

  .sp-partner-card:last-child {
    border-bottom: none;
  }

  .sp-value-card {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .sp-value-card:last-child {
    border-bottom: none;
  }

  .sp-block-intro,
  .sp-brand-copy {
    padding: 24px 20px;
  }

  .proc-hero-visual {
    order: -1;
  }

  .proc-flow-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .proc-assure-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .proc-assure-visual img {
    min-height: 320px;
  }

  .proc-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .ab-flow li {
    border-right: none;
  }

  .ab-flow li:nth-last-child(-n + 4) {
    border-bottom: 1px solid var(--line);
  }

  .ab-flow li:last-child {
    border-bottom: none;
  }

  .proc-flow li {
    border-bottom: none;
  }

  .ab-net-item {
    grid-template-columns: 96px 1fr;
    gap: 10px;
  }

  .ab-net-info {
    padding: 14px 14px;
  }

  .ab-net-info h3 {
    font-size: 15px;
  }

  .ab-net-addr {
    font-size: 13px;
  }

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


}


@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .hero {
    aspect-ratio: 1920 / 720;
    max-height: none;
  }

  .product-card .head h3 {
    font-size: 16px;
  }

  .case-item {
    min-height: 200px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-col h4 {
    margin-bottom: 12px;
  }

  .proc-flow {
    grid-template-columns: 1fr;
  }

  .proc-scenes-grid {
    grid-template-columns: 1fr;
  }

  .proc-assure-item {
    grid-template-columns: 44px 1fr;
    gap: 14px;
    padding: 22px 0;
  }

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

  .ab-honors {
    padding: 52px 0;
  }

  .ab-honors-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 14px;
  }

  .section {
    padding: 40px 0;
  }
}

@media (max-width: 380px) {
  .product-card .head {
    min-height: 88px;
    padding: 14px 8px 12px;
  }

  .product-card .head h3 {
    font-size: 15px;
  }
}

.preview-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: #f59e0b;
  color: #1a1a1a;
  text-align: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
}

body.is-preview {
  padding-top: 36px;
}