/* ============================================================
   智云搜 - 外贸全流程解决方案
   Traditional Corporate Style
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #EE7326;
  --color-primary-hover: #D46520;
  --color-primary-light: #FFF5EE;
  --color-dark: #222222;
  --color-dark-2: #333333;
  --color-gray: #666666;
  --color-gray-light: #999999;
  --color-border: #E8E8E8;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F7F7;
  --font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --header-height: 80px;
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 14px;
  color: var(--color-dark-2);
  background: var(--color-bg);
  line-height: 1.7;
  min-width: 0;
}
@media (min-width: 1200px) {
  body { min-width: 1200px; }
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, li { list-style: none; }
input, button { font-family: inherit; }

/* --- Layout --- */
.container { width: var(--container-width); margin: 0 auto; padding: 0 15px; }
.container::after { content: ''; display: table; clear: both; }
.clear::after { content: ''; display: table; clear: both; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 12px 36px;
  font-size: 15px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  border: 1px solid transparent;
  letter-spacing: 1px;
}
.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}
.btn-outline:hover {
  background: #FFFFFF;
  color: var(--color-primary);
}
.btn-outline-dark {
  background: transparent;
  color: var(--color-dark-2);
  border-color: var(--color-border);
}
.btn-outline-dark:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}
.btn-lg {
  padding: 15px 48px;
  font-size: 16px;
}

/* --- Section Title --- */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 32px;
  font-weight: bold;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.section-title .en {
  font-size: 14px;
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 3px;
  display: block;
  margin-bottom: 6px;
}
.section-title .line {
  display: inline-block;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin-top: 14px;
}

/* --- Page Banner (栏目列表/内页顶部) --- */
.page-banner {
  height: 380px;
  min-height: 380px;
  margin-top: var(--header-height);
  background: #2B2B2B center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 0;
}
.page-banner .banner-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.page-banner h2 {
  font-size: 40px;
  font-weight: bold;
  letter-spacing: 4px;
  margin: 0 0 14px;
  line-height: 1.3;
  text-align: center;
}
.page-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 2px;
  margin: 0;
  max-width: 720px;
  line-height: 1.7;
  text-align: center;
}

/* ================================================================
   HEADER
   ================================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: #FFFFFF;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  transition: transform 0.28s ease;
}
.header.is-hidden {
  transform: translateY(-100%);
}
.header.is-dropdown-open {
  transform: translateY(0) !important;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header-logo {
  display: flex;
  align-items: center;
}
.header-logo img {
  height: 44px;
}
.header-logo .logo-text {
  font-size: 22px;
  font-weight: bold;
  color: var(--color-dark);
  margin-left: 8px;
  letter-spacing: 2px;
}
.header-logo .logo-text span {
  color: var(--color-primary);
}

/* Nav */
.header-nav {
  display: flex;
  align-items: center;
  height: 100%;
}
.header-nav > li {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}
.header-nav > li > a,
.header-nav > li > a.nav-text {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 22px;
  font-size: 15px;
  color: var(--color-dark-2);
  transition: color 0.3s;
  letter-spacing: 1px;
}
.header-nav > li > a.nav-text {
  cursor: default;
}
.header-nav > li > a:hover,
.header-nav > li > a.active,
.header-nav > li > a.nav-text.active {
  color: var(--color-primary);
}
.header-nav > li > a .arrow,
.header-nav > li > a.nav-text .arrow {
  display: inline-block;
  font-size: 10px;
  margin-left: 4px;
  transition: transform 0.3s;
  line-height: 1;
}
.header-nav > li > a .arrow i,
.header-nav > li > a.nav-text .arrow i {
  font-size: 10px;
}

/* Dropdown */
.header-nav .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: #FFFFFF;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  border-radius: 0 0 6px 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.25s ease;
  z-index: 999;
  padding: 8px 0;
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-primary);
}
.header-nav > li:hover .sub-menu,
.header-nav > li.has-dropdown:focus-within .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header-nav > li:hover > a .arrow,
.header-nav > li:hover > a.nav-text .arrow {
  transform: rotate(180deg);
}
.header-nav .sub-menu li a,
.header-nav .sub-menu li a.nav-text {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--color-dark-2);
  transition: all 0.25s;
}
.header-nav .sub-menu li a.nav-text {
  cursor: default;
}
.header-nav .sub-menu li a:hover,
.header-nav .sub-menu li a.active,
.header-nav .sub-menu li a.nav-text.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.header-nav .sub-menu.sub-menu-wide {
  min-width: 280px;
  padding: 10px 0;
}
.header-nav .sub-menu.sub-menu-wide li a,
.header-nav .sub-menu.sub-menu-wide li a.nav-text {
  padding: 12px 20px;
}
.header-nav .sub-menu .sub-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.4;
}
.header-nav .sub-menu li a:hover .sub-name,
.header-nav .sub-menu li a.active .sub-name,
.header-nav .sub-menu li a.nav-text.active .sub-name {
  color: var(--color-primary);
}
.header-nav .sub-menu .sub-desc {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-gray-light);
  line-height: 1.5;
  white-space: normal;
  font-weight: normal;
}

/* ================================================================
   PRODUCT LANDING PAGES (独立产品页)
   ================================================================ */
.pl-hero {
  position: relative;
  min-height: 520px;
  margin-top: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #1a1a1a center center / cover no-repeat;
  color: #fff;
}
.pl-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.45) 50%, rgba(0,0,0,0.6) 100%);
}
.pl-hero-inner {
  position: relative;
  z-index: 1;
  padding: 80px 20px;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pl-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  margin-bottom: 16px;
}
.pl-hero h1 {
  font-size: 44px;
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 18px;
  text-align: center;
}
.pl-lead {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.88);
  margin: 0 auto 28px;
  max-width: 640px;
  text-align: center;
}
.pl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}
.pl-hero .btn-outline {
  border-color: rgba(255,255,255,0.65);
  color: #fff;
}
.pl-hero .btn-outline:hover,
.pl-cta .btn-outline:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.pl-section {
  padding: 80px 0;
}
.pl-section.pl-alt {
  background: var(--color-bg-alt);
}
.pl-section-intro {
  max-width: 720px;
  margin: -8px auto 40px;
  text-align: center;
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
}
.pl-package-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pl-package-grid.pl-3 {
  grid-template-columns: repeat(3, 1fr);
}
.pl-package {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 22px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.pl-package:hover {
  transform: translateY(-3px);
  border-color: rgba(238,115,38,0.4);
  box-shadow: 0 10px 28px rgba(0,0,0,0.06);
}
.pl-no {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.pl-package h3 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.pl-package p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin: 0;
}
.pl-platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pl-platform {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 22px;
}
.pl-platform-name {
  font-size: 18px;
  font-weight: bold;
  color: var(--color-dark);
  margin-bottom: 6px;
}
.pl-platform-stat {
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.pl-platform p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin: 0;
}
.pl-service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pl-service-grid.pl-3 {
  grid-template-columns: repeat(3, 1fr);
}
.pl-service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 24px;
}
.pl-service-card h3 {
  font-size: 17px;
  color: var(--color-dark);
  margin-bottom: 14px;
}
.pl-service-card p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin: 0;
}
.pl-service-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pl-service-card li {
  position: relative;
  padding: 6px 0 6px 16px;
  font-size: 13px;
  color: var(--color-dark-2);
  line-height: 1.6;
}
.pl-service-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--color-primary);
}
.pl-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pl-step {
  text-align: left;
  padding: 8px 4px;
}
.pl-step-num {
  display: block;
  font-size: 28px;
  font-weight: bold;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.pl-step h3 {
  font-size: 17px;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.pl-step p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin: 0;
}
.pl-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.pl-split-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 36px 32px;
}
.pl-split-card.accent {
  background: #222;
  border-color: #222;
  color: #fff;
}
.pl-split-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: inherit;
}
.pl-split-card > p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--color-gray);
}
.pl-split-card.accent > p {
  color: rgba(255,255,255,0.78);
}
.pl-split-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pl-split-card li {
  position: relative;
  padding: 8px 0 8px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-dark-2);
}
.pl-split-card.accent li {
  color: rgba(255,255,255,0.9);
}
.pl-split-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15px;
  width: 7px;
  height: 7px;
  background: var(--color-primary);
}
.pl-process-flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.pl-flow-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px 12px;
  text-align: center;
}
.pl-flow-item strong {
  display: block;
  color: var(--color-primary);
  font-size: 20px;
  margin-bottom: 8px;
}
.pl-flow-item span {
  font-size: 14px;
  color: var(--color-dark);
}
.pl-faq {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pl-faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px 28px;
}
.pl-faq-item h4 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.pl-faq-item p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.8;
  margin: 0;
}
.pl-feature-rows {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.pl-feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.pl-feature-row.reverse {
  direction: rtl;
}
.pl-feature-row.reverse > * {
  direction: ltr;
}
.pl-feature-text h3 {
  font-size: 24px;
  color: var(--color-dark);
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.pl-feature-text p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
  margin-bottom: 16px;
}
.pl-feature-text ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pl-feature-text li {
  position: relative;
  padding: 6px 0 6px 16px;
  font-size: 14px;
  color: var(--color-dark-2);
}
.pl-feature-text li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
}
.pl-feature-visual {
  min-height: 280px;
  border-radius: 4px;
  background: #222 center/cover no-repeat;
}
.pl-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.pl-matrix-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 32px 28px;
}
.pl-matrix-card h3 {
  font-size: 20px;
  color: var(--color-dark);
  margin-bottom: 12px;
}
.pl-matrix-card > p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 16px;
}
.pl-matrix-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pl-matrix-card li {
  position: relative;
  padding: 6px 0 6px 16px;
  font-size: 13px;
  color: var(--color-dark-2);
}
.pl-matrix-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
}
.pl-cta {
  padding: 72px 0;
  background:
    linear-gradient(135deg, rgba(238,115,38,0.95), rgba(180,70,20,0.9)),
    #EE7326;
  color: #fff;
  text-align: center;
}
.pl-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.pl-cta-inner h2 {
  font-size: 30px;
  letter-spacing: 2px;
  margin-bottom: 12px;
  text-align: center;
}
.pl-cta-inner p {
  font-size: 15px;
  color: rgba(255,255,255,0.9);
  margin: 0 auto 28px;
  max-width: 560px;
  text-align: center;
}
.pl-cta .pl-hero-actions {
  justify-content: center;
}
.pl-cta .btn-primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.pl-cta .btn-primary:hover {
  background: rgba(255,255,255,0.92);
}
.pl-cta .btn-outline {
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.pl-tile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pl-tile {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 148px;
  overflow: hidden;
  border-radius: 4px;
  background: #1c2a44;
}
.pl-tile:nth-child(even) {
  direction: rtl;
}
.pl-tile:nth-child(even) > * {
  direction: ltr;
}
.pl-tile-img {
  min-height: 148px;
  background: #222 center/cover no-repeat;
}
.pl-tile-caption {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px 24px;
  color: #fff;
}
.pl-tile-caption h3 {
  font-size: 22px;
  letter-spacing: 1px;
  margin: 0 0 8px;
  color: #fff;
}
.pl-tile-caption span {
  font-size: 13px;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.4px;
}
@media (max-width: 1100px) {
  .pl-package-grid,
  .pl-platform-grid,
  .pl-service-grid,
  .pl-steps,
  .pl-process-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .pl-package-grid.pl-3,
  .pl-service-grid.pl-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .pl-hero { min-height: 420px; }
  .pl-hero h1 { font-size: 30px; }
  .pl-package-grid,
  .pl-platform-grid,
  .pl-service-grid,
  .pl-steps,
  .pl-process-flow,
  .pl-split-grid,
  .pl-matrix,
  .pl-feature-row,
  .pl-package-grid.pl-3,
  .pl-service-grid.pl-3 {
    grid-template-columns: 1fr;
  }
  .pl-tile-grid {
    grid-template-columns: 1fr;
  }
  .pl-tile {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .pl-tile:nth-child(even) { direction: ltr; }
  .pl-tile-img { min-height: 160px; }
  .pl-feature-row.reverse { direction: ltr; }
}

/* Product intro page */
.product-intro-page {
  padding: 60px 0 80px;
}
.product-intro-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
  padding: 36px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}
.product-intro-hero.has-cover {
  grid-template-columns: 1.2fr 1fr;
}
.product-intro-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  background: var(--color-primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-intro-icon img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.product-intro-main h1 {
  font-size: 28px;
  color: var(--color-dark);
  margin-bottom: 12px;
}
.product-intro-lead {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 20px;
}
.product-intro-features {
  margin: 0 0 24px;
  padding: 16px 20px;
  background: var(--color-bg-alt);
  border-radius: 6px;
  border-left: 3px solid var(--color-primary);
  color: #444;
  line-height: 1.9;
}
.product-intro-features ul {
  margin: 0;
  padding-left: 1.2em;
  list-style: disc;
}
.product-intro-features li {
  list-style: disc;
  margin: 4px 0;
}
.product-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.product-intro-cover img {
  width: 100%;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  max-height: 360px;
}
.product-intro-body {
  margin-top: 20px;
  line-height: 1.9;
  color: #333;
}
.product-intro-related {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.products-hub-grid {
  margin-top: 10px;
}
.product-intro-card {
  display: block;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all 0.25s;
}
.product-intro-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(238,115,38,0.12);
  transform: translateY(-3px);
}
.product-intro-card h3 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.product-intro-card p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 14px;
  min-height: 44px;
}
.product-intro-card .more {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 600;
}
.product-hub-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  background: var(--color-primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-hub-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
@media (max-width: 900px) {
  .product-intro-hero.has-cover { grid-template-columns: 1fr; }
  .product-intro-related { grid-template-columns: 1fr; }
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: #1a1a1a;
  color: #BBBBBB;
  padding-top: 60px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-col {
  flex: 1;
  min-width: 160px;
}
.footer-col.about {
  flex: 2;
  min-width: 300px;
}
.footer-col h4 {
  font-size: 16px;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}
.footer-col p {
  font-size: 13px;
  line-height: 2;
  margin-bottom: 6px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 13px;
  color: #BBBBBB;
  transition: color 0.3s;
}
.footer-col ul li a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 12px;
  color: #777777;
}
.footer-bottom a {
  color: #777777;
}
.footer-bottom a:hover {
  color: var(--color-primary);
}

/* ================================================================
   HOME PAGE - Hero Banner
   ================================================================ */
.hero-banner {
  height: 700px;
  position: relative;
  overflow: hidden;
  margin-top: var(--header-height);
  background: #1a1a1a;
}
.hero-banner .banner-bg {
  position: absolute;
  inset: 0;
  background: url('../images/banner-bg.jpg') center/cover no-repeat;
  opacity: 0.65;
}
.hero-banner .banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
}
.hero-banner .banner-text {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #FFFFFF;
  padding-top: 220px;
}
.hero-banner .banner-text h1 {
  font-size: 44px;
  font-weight: bold;
  letter-spacing: 6px;
  margin-bottom: 16px;
  line-height: 1.4;
}
.hero-banner .banner-text .subtitle {
  font-size: 18px;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 8px;
}
.hero-banner .banner-text .desc {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 2px;
  margin-bottom: 40px;
}
.hero-banner .banner-btns {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 36px;
}

/* Home slides (HomeSlides) */
.hero-slides .carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  z-index: 1;
}
.hero-slides .carousel-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}
.hero-slides .carousel-slide .banner-text {
  padding-top: 220px;
}
.carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}
.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: rgba(255,255,255,0.45);
  transition: background 0.25s, transform 0.25s;
}
.carousel-dot.is-active,
.carousel-dot:hover {
  background: #fff;
  transform: scale(1.1);
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(0,0,0,0.28);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-arrow:hover {
  background: rgba(238,115,38,0.9);
}
.carousel-prev { left: 24px; }
.carousel-next { right: 24px; }

/* ================================================================
   HOME PAGE - About Section
   ================================================================ */
.home-about {
  padding: 80px 0;
}
.home-about .about-grid {
  display: flex;
  gap: 60px;
  align-items: center;
}
.home-about .about-text {
  flex: 1;
}
.home-about .about-text h2 {
  font-size: 28px;
  color: var(--color-dark);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.home-about .about-text h2 span {
  color: var(--color-primary);
}
.home-about .about-text p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2;
  margin-bottom: 16px;
}
.home-about .about-images {
  flex: 1;
  display: flex;
  gap: 15px;
}
.home-about .about-images .img-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.home-about .about-images .img-col img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}
.home-about .about-images .img-col img:hover {
  transform: scale(1.02);
}

/* ================================================================
   HOME PAGE - Features Section
   ================================================================ */
.home-features {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.features-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
.feature-card {
  background: #FFFFFF;
  padding: 40px 30px;
  border-radius: 6px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  border-color: var(--color-primary);
}
.feature-card .icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--color-primary);
  overflow: hidden;
}
.feature-card .icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
}
.feature-card:hover .icon {
  background: #FFE8D6;
}
.feature-card h3 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.feature-card p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
}

/* ================================================================
   HOME PAGE - Product Showcase
   ================================================================ */
.home-product {
  padding: 80px 0;
}
.product-showcase {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.product-showcase img {
  width: 100%;
  display: block;
}

/* ================================================================
   HOME PAGE - Stats
   ================================================================ */
.home-stats {
  padding: 60px 0;
  background: var(--color-primary);
  color: #FFFFFF;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-item .number {
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.stat-item .label {
  font-size: 14px;
  opacity: 0.9;
  letter-spacing: 2px;
}

/* ================================================================
   HOME PAGE - Client Logos (horizontal marquee)
   ================================================================ */
.home-clients {
  padding: 80px 0 70px;
  overflow: hidden;
  background:
    linear-gradient(180deg, #fff 0%, #faf8f6 48%, #fff 100%);
}
.home-clients .section-title {
  margin-bottom: 44px;
}
.client-marquee-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 20px 4px;
}
.client-marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 10px 0 14px;
}
.client-marquee.is-scrolling {
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.client-marquee.is-static .client-marquee-track {
  width: 100%;
  justify-content: center;
  animation: none !important;
  transform: none !important;
}
.client-marquee.is-static .client-marquee-group {
  justify-content: center;
  flex-wrap: wrap;
  padding-right: 0;
  row-gap: 18px;
  column-gap: 18px;
}
.client-marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
}
.client-marquee-track.is-ready {
  animation: client-marquee-scroll var(--marquee-duration, 35s) linear infinite;
}
.client-marquee.is-scrolling:hover .client-marquee-track.is-ready {
  animation-play-state: paused;
}
.client-marquee-group {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 18px;
  padding-right: 18px;
  box-sizing: border-box;
}
.client-logo-item {
  position: relative;
  flex: 0 0 auto;
  width: 196px;
  height: 92px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 20px;
  background:
    linear-gradient(180deg, #ffffff 0%, #fcfcfb 100%);
  box-shadow:
    0 1px 2px rgba(34, 34, 34, 0.04),
    0 8px 20px rgba(34, 34, 34, 0.04);
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease,
    background 0.3s ease;
}
.client-logo-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(238, 115, 38, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.client-logo-item::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}
.client-logo-item:hover {
  border-color: rgba(238, 115, 38, 0.35);
  box-shadow:
    0 4px 10px rgba(238, 115, 38, 0.08),
    0 14px 28px rgba(34, 34, 34, 0.08);
  transform: translateY(-4px);
  background: #fff;
}
.client-logo-item:hover::before {
  opacity: 1;
}
.client-logo-item:hover::after {
  transform: scaleX(1);
}
.client-logo-item img {
  position: relative;
  z-index: 1;
  max-width: 100%;
  max-height: 54px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.3s ease;
}
.client-logo-item:hover img {
  transform: scale(1.04);
}
.client-logo-item .client-name {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: #4a4a4a;
  font-weight: 700;
  letter-spacing: 1px;
  white-space: nowrap;
  transition: color 0.3s ease;
}
.client-logo-item .client-name i {
  color: var(--color-primary);
  font-size: 14px;
  opacity: 0.85;
}
.client-logo-item:hover .client-name {
  color: var(--color-dark);
}
@keyframes client-marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .client-marquee-track,
  .client-marquee-track.is-ready {
    animation: none !important;
    transform: none !important;
  }
  .client-marquee {
    mask-image: none;
    -webkit-mask-image: none;
  }
  .client-marquee .client-marquee-track {
    width: 100%;
    justify-content: center;
  }
  .client-marquee-group {
    justify-content: center;
    flex-wrap: wrap;
    padding-right: 0;
  }
}

/* ================================================================
   HOME PAGE - Service Section
   ================================================================ */
.home-service {
  padding: 80px 0;
  background: var(--color-bg-alt);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #FFFFFF;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.service-card .card-img {
  height: 200px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-primary);
}
.service-card .card-body {
  padding: 24px;
  text-align: center;
}
.service-card .card-body h3 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.service-card .card-body p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 16px;
}
.service-card .card-body .btn {
  padding: 8px 24px;
  font-size: 13px;
}

/* ================================================================
   HOME PAGE - News Section
   ================================================================ */
.home-news {
  padding: 80px 0;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s;
}
.news-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.news-card .news-img {
  height: 180px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--color-gray-light);
}
.news-card .news-body {
  padding: 20px;
}
.news-card .news-body .date {
  font-size: 12px;
  color: var(--color-gray-light);
  margin-bottom: 8px;
}
.news-card .news-body h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 10px;
  line-height: 1.6;
  letter-spacing: 1px;
}
.news-card .news-body h3 a:hover {
  color: var(--color-primary);
}
.news-card .news-body p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
}
.news-card .news-body .more {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-primary);
  letter-spacing: 1px;
}
.news-card .news-body .more:hover {
  text-decoration: underline;
}

/* ================================================================
   PRODUCT PAGE
   ================================================================ */
.products-page {
  padding: 60px 0;
}
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--color-border);
}
.product-tab {
  padding: 14px 36px;
  font-size: 15px;
  color: var(--color-gray);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.3s;
  letter-spacing: 1px;
}
.product-tab:hover,
.product-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.product-detail-card {
  display: flex;
  gap: 40px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.product-detail-card .detail-img {
  width: 400px;
  flex-shrink: 0;
  background: var(--color-bg-alt);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  font-size: 60px;
  color: var(--color-primary);
}
.product-detail-card .detail-info {
  flex: 1;
}
.product-detail-card .detail-info h3 {
  font-size: 24px;
  color: var(--color-dark);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.product-detail-card .detail-info p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2;
  margin-bottom: 20px;
}
.product-detail-card .detail-info .feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.product-detail-card .detail-info .feature-list li {
  font-size: 14px;
  color: var(--color-dark-2);
  padding-left: 20px;
  position: relative;
}
.product-detail-card .detail-info .feature-list li::before {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f00c";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ================================================================
   SERVICE PAGE
   ================================================================ */
.service-page {
  padding: 60px 0;
}
.service-page .service-block {
  display: flex;
  gap: 40px;
  margin-bottom: 50px;
  align-items: center;
}
.service-page .service-block:nth-child(even) {
  flex-direction: row-reverse;
}
.service-page .service-block .block-img {
  width: 480px;
  flex-shrink: 0;
  height: 320px;
  background: var(--color-bg-alt);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  color: var(--color-primary);
}
.service-page .service-block .block-text h3 {
  font-size: 24px;
  color: var(--color-dark);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.service-page .service-block .block-text p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2;
  margin-bottom: 12px;
}
.service-page .service-block .block-text ul li {
  font-size: 14px;
  color: var(--color-dark-2);
  padding: 6px 0 6px 18px;
  position: relative;
}
.service-page .service-block .block-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ================================================================
   NEWS PAGE
   ================================================================ */
.news-page {
  padding: 60px 0;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-list-item {
  display: flex;
  gap: 24px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 24px;
  transition: all 0.3s;
}
.news-list-item:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  border-color: var(--color-primary-light);
}
.news-list-item .list-img {
  width: 240px;
  height: 160px;
  flex-shrink: 0;
  background: var(--color-bg-alt);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--color-gray-light);
}
.news-list-item .list-content h3 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.news-list-item .list-content h3 a:hover {
  color: var(--color-primary);
}
.news-list-item .list-content .meta {
  font-size: 12px;
  color: var(--color-gray-light);
  margin-bottom: 12px;
}
.news-list-item .list-content .meta span {
  margin-right: 16px;
}
.news-list-item .list-content p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
}
/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 14px;
  color: var(--color-dark-2);
  transition: all 0.3s;
}
.pagination a:hover,
.pagination span.current {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* ================================================================
   CASES PAGE
   ================================================================ */
.cases-page {
  padding: 60px 0;
}
.article-list-page {
  padding: 60px 0;
}
.article-grid,
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card {
  display: block;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
}
.article-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
  color: inherit;
}
.article-card-img {
  height: 200px;
  background: var(--color-bg-alt) center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-primary);
}
.article-card-body {
  padding: 20px;
}
.article-card-body h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 8px;
  letter-spacing: 1px;
  line-height: 1.45;
}
.article-card:hover .article-card-body h3 {
  color: var(--color-primary);
}
.article-card-body p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
  margin: 0;
}
.case-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s;
}
.case-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.case-card .case-img {
  height: 200px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-primary);
}
.case-card .case-body {
  padding: 20px;
}
.case-card .case-body h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.case-card .case-body p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.8;
}

/* ================================================================
   ABOUT PAGE (参考 zhiyunsou.com/?about/)
   ================================================================ */
.about-page {
  padding: 60px 0;
}
.about-hero {
  position: relative;
  min-height: 380px;
  margin-top: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: #1a1a1a center/cover no-repeat;
}
.about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.48);
}
.about-hero-inner {
  position: relative;
  z-index: 1;
  padding: 80px 20px;
}
.about-hero-company {
  font-size: 18px;
  letter-spacing: 4px;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.92);
}
.about-hero-line {
  display: block;
  width: 64px;
  height: 2px;
  background: #fff;
  margin: 0 auto 22px;
}
.about-hero h1 {
  font-size: 36px;
  letter-spacing: 3px;
  font-weight: bold;
  line-height: 1.4;
}
.about-intro-sec {
  padding: 80px 0 40px;
}
.about-intro-body {
  max-width: 920px;
  margin: 0 auto 48px;
  text-align: center;
}
.about-intro-body p {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 2.1;
  margin-bottom: 16px;
  text-align: left;
}
.about-disclaimer {
  color: var(--color-dark) !important;
  font-weight: 600;
}
.about-milestone {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  padding: 36px 20px;
  background: var(--color-bg-alt);
  border-radius: 4px;
}
.about-milestone-item .num {
  font-size: 32px;
  font-weight: bold;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.about-milestone-item .label {
  font-size: 14px;
  color: var(--color-gray);
  letter-spacing: 2px;
}
.about-gallery-sec {
  padding: 20px 0 70px;
}
.about-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.about-gallery-ref {
  grid-auto-rows: 260px;
}
.about-gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: #222;
}
.about-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}
.about-gallery-item:hover img {
  transform: scale(1.05);
}
.about-gallery-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 36px 20px 22px;
  background: linear-gradient(to top, rgba(0,0,0,0.82), rgba(0,0,0,0.2), transparent);
  color: #fff;
  text-align: center;
}
.about-gallery-caption p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 1px;
  font-weight: 600;
}
.about-notice-sec {
  padding: 0 0 70px;
}
.about-notice-card {
  max-width: 920px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 36px 40px;
  position: relative;
}
.about-notice-label {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 4px 12px;
  margin-bottom: 14px;
}
.about-notice-card h3 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.about-notice-body {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2;
}
.about-partners-sec.home-clients {
  padding: 70px 0;
}
.about-culture-sec {
  padding: 40px 0 70px;
  background: var(--color-bg-alt);
}
.about-culture-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.about-culture-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.about-culture-card:hover {
  border-color: rgba(238,115,38,0.45);
  box-shadow: 0 10px 28px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}
.about-culture-icon {
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
  margin: 0;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-culture-icon span {
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}
.about-culture-icon i {
  font-size: 32px;
  line-height: 1;
}
.about-culture-icon img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
}
.about-culture-card p {
  flex: 1;
  margin: 0;
  font-size: 15px;
  color: var(--color-dark-2);
  line-height: 1.8;
  letter-spacing: 1px;
  font-weight: 500;
}
.about-culture-panel {
  max-width: 920px;
  margin: 0 auto;
  background: var(--color-bg-alt);
  padding: 40px 44px;
  border-radius: 4px;
}
.about-culture-panel p {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 2.1;
  margin-bottom: 14px;
}
.about-standalone {
  padding: 80px 0;
}
.about-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.about-eyebrow.light {
  color: rgba(255,255,255,0.75);
}
.about-section-intro {
  max-width: 760px;
  margin: -10px auto 40px;
  text-align: center;
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
}
.about-eyebrow.light {
  color: rgba(255,255,255,0.75);
}
.about-overview {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-overview-media {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(238,115,38,0.18), transparent 55%),
    #1f1f1f;
}
.about-overview-media::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(to top, rgba(0,0,0,0.35), transparent);
  pointer-events: none;
}
.about-overview-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  display: block;
}
.about-overview-text h2 {
  font-size: 32px;
  color: var(--color-dark);
  letter-spacing: 2px;
  margin-bottom: 18px;
  line-height: 1.35;
}
.about-overview-text .about-lead {
  font-size: 16px;
  color: var(--color-dark-2);
  line-height: 1.8;
  margin-bottom: 18px;
  font-weight: 500;
}
.about-overview-text p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2;
  margin-bottom: 14px;
}
.about-stats {
  padding: 56px 0;
  background: var(--color-primary);
  color: #FFFFFF;
}
.about-culture-wrap {
  background: var(--color-bg-alt);
}
.about-section-intro {
  max-width: 760px;
  margin: -10px auto 40px;
  text-align: center;
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
}
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.culture-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 36px 24px 32px;
  text-align: left;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.culture-card:hover {
  border-color: rgba(238,115,38,0.45);
  box-shadow: 0 10px 28px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}
.culture-card .culture-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.culture-card h4 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.culture-card p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.85;
  text-indent: 0;
  margin: 0;
}
.about-partner {
  padding: 80px 0;
}
.about-partner-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  overflow: hidden;
  border-radius: 4px;
  background: #222;
  color: #fff;
}
.about-partner-copy {
  padding: 56px 48px;
  background:
    linear-gradient(145deg, rgba(238,115,38,0.92), rgba(180,70,20,0.88)),
    #EE7326;
}
.about-partner-copy h2 {
  font-size: 30px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.about-partner-copy p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255,255,255,0.92);
  margin-bottom: 28px;
  max-width: 420px;
}
.about-partner-copy .btn {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.about-partner-copy .btn:hover {
  background: rgba(255,255,255,0.92);
  color: #c45a14;
}
.about-partner-list {
  list-style: none;
  margin: 0;
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.about-partner-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
}
.about-partner-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--color-primary);
}

/* legacy article-content about blocks */
.about-section {
  margin-bottom: 60px;
}
.about-section h3 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
  letter-spacing: 2px;
  position: relative;
}
.about-section h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-primary);
}
.about-section p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2.2;
  margin-bottom: 14px;
  text-indent: 2em;
}
.about-intro {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  margin-bottom: 60px;
}
.about-intro .intro-img {
  width: 480px;
  flex-shrink: 0;
  height: 320px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  color: var(--color-primary);
  border-radius: 6px;
}
.about-intro .intro-text h2 {
  font-size: 28px;
  color: var(--color-dark);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.about-intro .intro-text p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 2.2;
  margin-bottom: 12px;
  text-indent: 2em;
}

/* ================================================================
   CONTACT PAGE
   ================================================================ */
.contact-page {
  padding: 60px 0;
}
.contact-grid {
  display: flex;
  gap: 40px;
}
.contact-info {
  width: 380px;
  flex-shrink: 0;
}
.contact-info .info-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 30px;
  margin-bottom: 20px;
}
.contact-info .info-card h4 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.contact-info .info-item {
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--color-dark-2);
}
.contact-info .info-item:last-child {
  margin-bottom: 0;
}
.contact-wechat-card {
  text-align: center;
}
.contact-wechat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.contact-wechat img {
  width: 168px;
  height: 168px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #fff;
  padding: 8px;
}
.contact-wechat p {
  margin: 0;
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.6;
}
.contact-form-wrap {
  flex: 1;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 30px;
}
.contact-form-wrap h4 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.contact-form-tip {
  margin: -8px 0 20px;
  padding: 10px 12px;
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  border-radius: 4px;
  color: #9A3412;
  font-size: 13px;
  line-height: 1.6;
}
.form-group input:disabled,
.form-group textarea:disabled,
.contact-form-wrap button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: #f7f7f7;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  color: var(--color-dark-2);
  margin-bottom: 8px;
}
.form-group label .required {
  color: #E53E3E;
  margin-left: 2px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 14px;
  color: var(--color-dark-2);
  outline: none;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}
.form-group textarea {
  height: 140px;
  resize: vertical;
}
.form-row {
  display: flex;
  gap: 16px;
}
.form-row .form-group {
  flex: 1;
}

/* Map */
.contact-map {
  height: 360px;
  background: var(--color-bg-alt);
  margin-top: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-gray-light);
}

/* ================================================================
   SIDEBAR TOOLS
   ================================================================ */
.sidebar-tools {
  position: fixed;
  right: 10px;
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 999;
}
.sidebar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-dark-2);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  text-decoration: none;
}
.sidebar-btn > i {
  font-size: 18px;
  line-height: 1;
}
.sidebar-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}
.sidebar-btn .tooltip {
  position: absolute;
  right: 56px;
  top: 50%;
  transform: translateY(-50%);
  background: #333;
  color: #fff;
  padding: 6px 12px;
  border-radius: 3px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  pointer-events: none;
}
.sidebar-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
}
.sidebar-btn .qrcode-popup {
  position: absolute;
  right: 56px;
  bottom: 0;
  width: 148px;
  height: auto;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #666;
}
.sidebar-btn .qrcode-popup img {
  width: 128px;
  height: 128px;
  object-fit: contain;
  display: block;
}
.sidebar-btn .qrcode-popup em {
  font-style: normal;
  font-size: 12px;
  line-height: 1.4;
  text-align: center;
  color: #666;
}
.sidebar-btn:hover .qrcode-popup {
  opacity: 1;
  visibility: visible;
}
.sidebar-btn.back-top {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.sidebar-btn.back-top.show {
  opacity: 1;
  visibility: visible;
}

/* Font Awesome placeholder icons */
.icon-placeholder {
  display: flex !important;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.icon-placeholder i {
  font-size: 42px;
  line-height: 1;
  opacity: 0.9;
}
.service-page .service-block .block-img.icon-placeholder i,
.product-detail-card .detail-img.icon-placeholder i {
  font-size: 64px;
}
.news-list-item .list-img.icon-placeholder i,
.case-card .case-img.icon-placeholder i,
.article-card-img.icon-placeholder i,
.news-card .news-img.icon-placeholder i,
.service-card .card-img.icon-placeholder i {
  font-size: 40px;
}
.meta i {
  margin-right: 4px;
  color: var(--color-primary);
  font-size: 13px;
}

/* ================================================================
   BREADCRUMB
   ================================================================ */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-gray-light);
  background: var(--color-bg-alt);
  margin-top: var(--header-height);
}
.breadcrumb a {
  color: var(--color-gray);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb span {
  margin: 0 8px;
  color: #CCC;
}

/* ================================================================
   RESPONSIVE (basic)
   ================================================================ */
@media (max-width: 1240px) {
  body { min-width: auto; }
  .container { width: 100%; padding: 0 20px; }
  .header-nav > li > a { padding: 0 14px; font-size: 14px; }
  .features-grid, .service-grid, .news-grid, .cases-grid, .article-grid, .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .home-about .about-grid { flex-direction: column; }
  .product-detail-card { flex-direction: column; }
  .product-detail-card .detail-img { width: 100%; }
  .service-page .service-block { flex-direction: column !important; }
  .service-page .service-block .block-img { width: 100%; height: 240px; }
  .contact-grid { flex-direction: column; }
  .contact-info { width: 100%; }
  .about-intro { flex-direction: column; }
  .about-intro .intro-img { width: 100%; height: 240px; }
  .about-overview { grid-template-columns: 1fr; gap: 32px; }
  .about-overview-media,
  .about-overview-media img { min-height: 280px; }
  .about-gallery,
  .about-gallery-ref {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 220px;
  }
  .about-milestone {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-culture-values {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-hero h1 { font-size: 28px; }
  .about-partner-panel { grid-template-columns: 1fr; }
  .about-partner-copy,
  .about-partner-list { padding: 40px 28px; }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-banner .banner-text h1 { font-size: 28px; letter-spacing: 2px; }
  .hero-banner { height: 500px; }
  .hero-banner .banner-text { padding-top: 160px; }
  .page-banner { height: 360px; min-height: 360px; }
  .page-banner h2 { font-size: 28px; letter-spacing: 2px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid, .service-grid, .news-grid, .cases-grid, .article-grid, .culture-grid { grid-template-columns: 1fr; }
  .header-nav { display: none; }
  .news-list-item { flex-direction: column; }
  .news-list-item .list-img { width: 100%; height: 180px; }
  .about-overview-text h2 { font-size: 26px; }
  .about-partner-copy h2 { font-size: 24px; }
  .about-gallery,
  .about-gallery-ref {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }
  .about-milestone {
    grid-template-columns: 1fr 1fr;
  }
  .about-culture-values {
    grid-template-columns: 1fr;
  }
  .about-culture-card {
    padding: 22px 18px;
    gap: 16px;
  }
  .about-culture-icon {
    flex-basis: 68px;
    width: 68px;
    height: 68px;
  }
  .about-culture-icon i {
    font-size: 26px;
  }
  .about-hero { min-height: 320px; }
  .about-hero h1 { font-size: 22px; letter-spacing: 2px; }
  .about-culture-panel,
  .about-notice-card { padding: 28px 20px; }
}