:root {
  --color-primary: #0ea5e9;
  --color-text: #0f172a;
  --color-bg: #fafafa;
  --color-muted: #6b7280;
  --color-card: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --radius: 12px;
  --radius-sm: 8px;
  --container: min(1200px, 92vw);
  --nav-h: 80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
.no-js .site-nav { transition: none; }

.skip-link {
  position: absolute; left: -9999px; top: auto;
}
.skip-link:focus { left: 8px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 6px; box-shadow: var(--shadow-sm); }

.container { width: var(--container); margin-inline: auto; padding: 0 20px; }
.site-header .container { padding-left: 0; padding-right: 20px; }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(250,250,250,.9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid rgba(2,6,23,.06);
}
.header-inner { display: flex; align-items: center; height: var(--nav-h); gap: 16px; justify-content: flex-start; padding-left: 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; flex-shrink: 0; }
.site-header .brand { max-width: none; }
.site-header .brand-logo { width: auto; max-width: 500px; height: auto; max-height: 60px; object-fit: contain; border-radius: 12px; flex-shrink: 0; }
.brand-logo { width: 60px; height: 60px; object-fit: cover; border-radius: 12px; flex-shrink: 0; }
.brand-name { font-weight: 700; font-size: 26px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.nav-toggle { display: none; margin-left: auto; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle .bar { display: block; width: 24px; height: 2px; background: var(--color-text); margin: 5px 0; border-radius: 2px; }

.site-nav { margin-left: auto; }
.menu.root { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0; align-items: center; }
.menu.root > li > a,
.menu.root > li > .dropdown-toggle { appearance: none; background: none; border: none; font: inherit; color: inherit; text-decoration: none; padding: 8px 12px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.menu.root > li > a:hover,
.menu.root > li > .dropdown-toggle:hover { background: rgba(14,165,233,.1); }
@media (min-width: 721px) {
  .header-inner { position: relative; }
  .site-nav { position: absolute; left: 50%; transform: translateX(-50%); margin-left: 0; z-index: 10; }
  .brand { max-width: 220px; }
  .brand-name { font-size: 24px; }
}

.has-dropdown { position: relative; }
.dropdown { position: absolute; left: 0; top: 100%; background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-md); list-style: none; padding: 8px; margin: 0; min-width: 200px; display: none; z-index: 60; }
.dropdown li a { display: block; padding: 8px 10px; border-radius: 6px; color: inherit; text-decoration: none; }
.dropdown li a:hover { background: rgba(14,165,233,.08); }
.has-dropdown.open > .dropdown { display: block; }

/* Overlay for mobile */
.overlay { position: fixed; inset: 0; background: rgba(15,23,42,.45); backdrop-filter: blur(2px); z-index: 40; }

/* Hero */
.hero { position: relative; min-height: calc(100dvh - var(--nav-h)); }
.carousel { position: relative; overflow: hidden; border-radius: 0; height: 100%; }
.slides { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; align-items: stretch; height: 100%; }
.slide { position: relative; min-height: 360px; height: calc(100dvh - var(--nav-h)); display: grid; place-items: start; }
.slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: contrast(1.05) saturate(1.05); }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.9); border: none; width: 40px; height: 40px; border-radius: 50%; box-shadow: var(--shadow-sm); cursor: pointer; z-index: 2; }
.carousel-btn:hover { background: #fff; }
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }
.indicators { position: absolute; left: 0; right: 0; bottom: 10px; display: flex; gap: 8px; justify-content: center; z-index: 2; }
.indicators button { width: 8px; height: 8px; border-radius: 999px; background: rgba(255,255,255,.7); border: 0; }
.indicators button[aria-selected="true"] { background: var(--color-primary); }

/* Sections */
.section { padding: clamp(40px, 8vw, 80px) 0; }
.section-title { text-align: center; margin: 0 0 24px; font-size: clamp(22px, 3vw, 28px); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-label { 
  display: block; 
  font-size: 14px; 
  letter-spacing: 2px; 
  color: var(--color-primary); 
  font-weight: 600; 
  margin-bottom: 8px; 
  text-transform: uppercase;
}
/* About */
.about .about-content { max-width: 100ch; margin: 0 auto; font-size: 16px; color: var(--color-text); }
.about .about-content p { margin: 0 0 12px; }
.about .about-kv { list-style: none; padding: 0; margin: 12px 0 0; }
.about .about-kv li { margin: 6px 0; }
.about .about-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.about .about-gallery img { width: 100%; height: 240px; object-fit: cover; border-radius: 10px; box-shadow: var(--shadow-sm); }
@media (max-width: 720px) {
  .about .about-gallery { grid-template-columns: 1fr; }
  .about .about-gallery img { height: 200px; }
}

/* Company Profile */
.company-profile {
  background: #f8f9fa;
}
.company-profile h2 {
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 50px !important;
  color: var(--color-text) !important;
}
.company-image {
  margin-bottom: 40px;
  text-align: center;
}
.company-image img {
  width: 100%;
  max-width: 900px;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
  transition: transform .3s ease, box-shadow .3s ease;
}
.company-image img:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.15);
}
.company-intro {
  background: #fff;
  padding: 50px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  max-width: 1000px;
  margin: 0 auto;
}
.company-intro p {
  margin-bottom: 24px !important;
  font-size: 17px !important;
  color: #444 !important;
  line-height: 1.8 !important;
}
.company-intro p:last-child {
  margin-bottom: 0 !important;
}
.company-intro p strong {
  color: var(--color-primary) !important;
  font-weight: 700 !important;
  font-size: 18px !important;
}
.company-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.company-gallery img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  transition: transform .3s ease, box-shadow .3s ease;
}
.company-gallery img:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
@media (max-width: 768px) {
  .company-profile {
    padding: 60px 0 !important;
  }
  .company-profile h2 {
    font-size: 36px !important;
    margin-bottom: 30px !important;
  }
  .company-image img {
    height: 250px !important;
  }
  .company-intro {
    padding: 30px !important;
    margin: 0 20px;
  }
  .company-intro p {
    font-size: 15px !important;
    margin-bottom: 20px !important;
  }
  .company-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 30px;
  }
}

/* Core Business / Services */
.core-business { background: #f8f9fa; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { 
  background: var(--color-card); 
  border-radius: var(--radius); 
  padding: 28px; 
  text-align: center; 
  box-shadow: var(--shadow-sm); 
  transition: transform .2s ease, box-shadow .2s ease;
  border: 1px solid rgba(2,6,23,.06);
}
.service-card:hover { 
  transform: translateY(-4px); 
  box-shadow: var(--shadow-md); 
}
.service-icon { 
  font-size: 48px; 
  margin-bottom: 16px; 
  line-height: 1; 
}
.service-card h3 { 
  margin: 0 0 12px; 
  font-size: 20px; 
  color: var(--color-text); 
}
.service-card p { 
  margin: 0 0 16px; 
  color: var(--color-muted); 
  line-height: 1.6; 
  font-size: 14px;
}

/* 公司简介英雄区块 */
.company-intro-hero {
  position: relative;
  width: 100%;
  min-height: 700px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.company-intro-hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/profile_hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.company-intro-hero__overlay {
  position: absolute;
  top: 0;
  left: -400px;
  width: calc(100% + 400px);
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.05) 40%, rgba(0,0,0,0.2) 60%, rgba(0,0,0,0.4) 100%);
  z-index: 2;
}

.company-intro-hero__card {
  position: relative;
  z-index: 3;
  width: 38%;
  max-width: 640px;
  min-width: 320px;
  margin-right: 13vw;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  border-radius: 10px;
  padding: 28px;
  color: #ffffff;
}

.company-intro-hero__title {
  margin: 0 0 16px 0;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
}

.company-intro-hero__name {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: #ffffff;
}

.company-intro-hero__content {
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0.3px;
  color: #ffffff;
}

.company-intro-hero__content p {
  margin: 0 0 16px 0;
  color: #ffffff;
}

.company-intro-hero__content p:last-child {
  margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .company-intro-hero {
    min-height: 650px;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 40px;
  }

  .company-intro-hero__card {
    width: 92%;
    max-width: none;
    min-width: auto;
    margin-right: 0;
    margin-bottom: 0;
  }

  .company-intro-hero__title {
    font-size: 28px;
  }

  .company-intro-hero__name {
    font-size: 18px;
  }

  .company-intro-hero__content {
    font-size: 14px;
  }
}
.service-link { 
  color: var(--color-primary); 
  text-decoration: none; 
  font-weight: 600; 
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.service-link:hover { text-decoration: underline; }

/* Advantages */
.advantages { background: #fff; }
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.advantage-item { 
  background: var(--color-card); 
  border-radius: var(--radius); 
  padding: 28px; 
  box-shadow: var(--shadow-sm); 
  border: 1px solid rgba(2,6,23,.06);
  transition: transform .2s ease, box-shadow .2s ease;
}
.advantage-item:nth-child(1) {
  background: linear-gradient(135deg, rgba(14,165,233,.08), rgba(14,165,233,.03));
}
.advantage-item:nth-child(2) {
  background: linear-gradient(135deg, rgba(34,197,94,.08), rgba(34,197,94,.03));
}
.advantage-item:nth-child(3) {
  background: linear-gradient(135deg, rgba(251,146,60,.08), rgba(251,146,60,.03));
}
.advantage-item:nth-child(4) {
  background: linear-gradient(135deg, rgba(168,85,247,.08), rgba(168,85,247,.03));
}
.advantage-item:hover { 
  transform: translateY(-4px); 
  box-shadow: var(--shadow-md); 
}
.advantage-icon { 
  font-size: 48px; 
  margin-bottom: 16px; 
  line-height: 1; 
}
.advantage-item h3 { 
  margin: 0 0 12px; 
  font-size: 20px; 
  color: var(--color-text); 
}
.advantage-item p { 
  margin: 0; 
  color: var(--color-muted); 
  line-height: 1.6; 
  font-size: 14px;
}


.card-grid { display: grid; gap: 16px; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--color-card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); border: 1px solid rgba(2,6,23,.06); }
.card h3 { margin-top: 0; }
.news-card img { width: 100%; height: 160px; object-fit: cover; border-radius: 10px; margin-bottom: 10px; }
.more { color: var(--color-primary); text-decoration: none; font-weight: 600; }

/* Prose */
.prose { color: var(--color-text); font-size: 16px; }
.prose h3 { margin: 14px 0 6px; font-size: 18px; }
.prose p { margin: 0 0 10px; }
.prose ol, .prose ul { margin: 6px 0 10px 20px; }

/* Product gallery */
.product-gallery { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 16px; }
.product-gallery figure { margin: 0; }
  .product-gallery img { width: 100%; height: clamp(240px, 30vw, 400px); object-fit: cover; border-radius: 10px; box-shadow: var(--shadow-sm); }
  /* Show full image for items marked as contain (no crop) */
  .product-gallery img.contain { object-fit: contain; height: auto; max-height: min(60vh, 600px); background: #fff; }
  .product-gallery img.square-image { width: auto; max-width: 600px; height: 400px; object-fit: contain; margin: 0 auto; display: block; }
  .product-gallery-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  @media (max-width: 1024px) { .product-gallery { grid-template-columns: 1fr; } }
  @media (max-width: 720px) { 
    .product-gallery { grid-template-columns: 1fr; } 
    .product-gallery img { height: clamp(200px, 40vw, 300px); }
    .product-gallery-row { grid-template-columns: 1fr; }
  }

  /* News section */
  .news-layout { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: clamp(16px, 4vw, 28px); align-items: start; }
  .news-list { display: flex; flex-direction: column; gap: 12px; }
  .news-card { display: grid; grid-template-columns: 140px 1fr; gap: 12px; border-radius: var(--radius); border: 1px solid rgba(2,6,23,.08); background: var(--color-card); padding: 12px; text-align: left; cursor: pointer; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
  .news-card img { width: 100%; height: 120px; object-fit: contain; border-radius: var(--radius-sm); background: #f8fafc; margin-top: 20px; }
  .news-card .news-card-text { display: flex; flex-direction: column; gap: 6px; }
  .news-card h3 { margin: 0; font-size: 18px; color: var(--color-text); }
  .news-card p { margin: 0; font-size: 14px; color: var(--color-muted); line-height: 1.5; }
  .news-meta { font-size: 13px; color: var(--color-muted); }
  .news-card.is-active { border-color: rgba(14,165,233,.6); box-shadow: var(--shadow-md); transform: translateY(-2px); }
  .news-card:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
  .news-view-detail { margin-top: 8px; padding: 6px 16px; background: var(--color-primary); color: #fff; border: none; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .2s ease, transform .2s ease; align-self: flex-start; }
  .news-view-detail:hover { background: #0284c7; transform: translateY(-1px); }
  .news-view-detail:active { transform: translateY(0); }

  .news-detail { background: var(--color-card); border-radius: var(--radius); padding: clamp(18px, 4vw, 28px); box-shadow: var(--shadow-md); border: 1px solid rgba(2,6,23,.06); display: grid; gap: 16px; min-height: 360px; position: relative; width: 100%; box-sizing: border-box; justify-items: stretch; overflow: hidden; }
  .news-detail > * { max-width: 100%; }
  .news-entry { display: none; }
  .news-entry.is-active { display: block; }
  .news-entry header { margin-bottom: 8px; }
  .news-entry h3 { margin: 0 0 8px; font-size: clamp(20px, 3vw, 26px); }
  .news-entry time { display: block; font-size: 14px; color: var(--color-muted); }
  .news-body p { margin: 0 0 12px; }
  .news-entry img { display: block; max-width: 100%; height: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); margin: 8px 0; }

  .news-nav { display: flex; gap: 12px; justify-content: flex-end; }
  .news-nav-btn { border: 1px solid rgba(2,6,23,.14); background: #fff; color: var(--color-text); padding: 8px 18px; border-radius: 999px; font-weight: 600; cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease; }
  .news-nav-btn:hover:not(:disabled), .news-nav-btn:focus-visible:not(:disabled) { background: var(--color-primary); color: #fff; border-color: transparent; }
  .news-nav-btn:disabled { opacity: .45; cursor: not-allowed; }
  .news-close { display: none; align-self: flex-start; justify-self: flex-start; border: 1px solid rgba(2,6,23,.14); background: #fff; color: var(--color-text); border-radius: 999px; padding: 6px 16px; font-weight: 600; cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease; }
  .news-close:hover, .news-close:focus-visible { background: var(--color-primary); color: #fff; border-color: transparent; }

  .news.is-expanded .news-list { display: none; }
  .news.is-expanded .news-layout { grid-template-columns: 1fr; }
  .news.is-expanded .news-detail { width: min(860px, 100%); margin: 0 auto; }
  .news.is-expanded .news-close { display: inline-flex; }

  @media (max-width: 1024px) {
    .news-layout { grid-template-columns: 1fr; }
    .news-card { grid-template-columns: 120px 1fr; }
    .news-card img { height: 120px; object-fit: contain; background: #f8fafc; margin-top: 20px; }
  }
  @media (max-width: 720px) {
    .news-card { grid-template-columns: 1fr; }
    .news-card img { height: 160px; object-fit: contain; background: #f8fafc; margin-top: 20px; }
    .news-detail { padding: 16px; }
    .news-nav { justify-content: space-between; }
  }

/* Single Page Application Mode */
body.reasons-mode {
  overflow: auto; /* 允许页面滚动 */
  height: auto;
}

body.company-profile-mode {
  overflow: auto;
  height: auto;
}

body.company-profile-mode main {
  height: auto;
  overflow: visible;
}

body.company-profile-mode section:not(#company-profile):not(#hero):not(.site-footer):not(#contact) {
  display: none !important;
}
body.company-profile-mode .company-intro-hero {
  display: none !important;
}

body.company-profile-mode #company-profile {
  position: static;
  width: 100%;
  height: auto;
  z-index: auto;
  overflow: visible;
  background: #f8f9fa;
  margin: 0;
  padding: 60px 0;
  animation: fadeIn 0.3s ease-in-out;
}

body.company-profile-mode #hero {
  position: static;
  height: auto;
  margin: 0;
  padding: 0;
}

body.company-profile-mode #contact {
  position: static;
  bottom: auto;
  width: 100%;
  background: #000;
  color: #fff;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 0;
}

body.company-profile-mode .hero {
  position: relative;
  min-height: calc(100dvh - var(--nav-h));
}

body.company-profile-mode .slide {
  position: relative;
  min-height: 360px;
  height: calc(100dvh - var(--nav-h));
  display: grid;
  place-items: start;
}

body.reasons-mode main {
  height: auto;
  overflow: visible;
}

body.reasons-mode section:not(#reasons):not(#hero):not(.partners-section):not(.site-footer):not(#contact) {
  display: none !important; /* 只隐藏非相关区块 */
}
body.reasons-mode .company-intro-hero {
  display: none !important;
}

body.reasons-mode #reasons {
  position: static;
  width: 100%;
  height: auto;
  z-index: auto;
  overflow: visible;
  background: #fff;
  margin: 0;
  padding: 60px 0;
  animation: fadeIn 0.3s ease-in-out;
}

body.reasons-mode .reasons-section {
  min-height: auto;
  padding: 40px 0;
  display: block;
  animation: slideUp 0.4s ease-out;
}

body.reasons-mode .reasons-section .container {
  height: auto;
  max-height: none;
  overflow: visible;
  padding: 0 20px;
  box-sizing: border-box;
}

/* 在选择理由模式下调整轮播图和底部的样式 */
body.reasons-mode #hero {
  position: static;
  height: auto;
  margin: 0;
  padding: 0;
}

body.reasons-mode #contact {
  position: static;
  bottom: auto;
  width: 100%;
  background: #000;
  color: #fff;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 0;
}

/* 在选择理由模式下调整选择理由区域的间距 */
body.reasons-mode #reasons {
  padding: 60px 0 40px;
}

/* 确保轮播图在选择理由模式下正常显示 */
body.reasons-mode .hero {
  position: relative;
  min-height: calc(100dvh - var(--nav-h));
}

body.reasons-mode .slide {
  position: relative;
  min-height: 360px;
  height: calc(100dvh - var(--nav-h));
  display: grid;
  place-items: start;
}

/* 切换动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0.8;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Reasons Section */
.reasons-section { 
  background: #fff; 
  padding: 50px 0;
}
.reasons-section .container {
  width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.reasons-section .section-title {
  text-align: center;
  margin-bottom: 24px;
  font-size: 32px;
  color: #333;
}

.fba-address-section {
  background: #fff;
  padding: 60px 0;
}
.fba-address-section .container {
  width: var(--container);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.fba-address-section .section-title {
  text-align: left;
  margin-bottom: 30px;
  font-size: 28px;
  color: #333;
  font-weight: 600;
}

.reasons-right {
  width: 100%;
}

.reasons-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
  gap: 40px;
  align-items: center;
  justify-items: center;
  width: 100%;
  max-width: 100%;
  overflow: visible;
}
.reasons-grid img {
  width: 90%;
  max-width: 90%;
  max-height: 300px;
  height: auto;
  object-fit: contain;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

/* 中间图片更大以便看清，固定尺寸 */
.reasons-grid img:nth-child(2),
.reasons-grid img.reason-large {
  width: 100% !important;
  max-width: 100% !important;
  height: 800px !important;
  max-height: 800px !important;
  object-fit: contain;
  border-radius: 50%;
}
.reasons-grid img:hover {
  transform: scale(1.02);
}

/* 联系我们信息展示样式 */
.contact-info-section {
  background: linear-gradient(to bottom, #f8fafc, #ffffff);
  padding: 80px 0;
}

.contact-info-section .section-title {
  margin-bottom: 10px;
}
.contact-info-section .section-header {
  margin-bottom: 20px !important;
}
#contact-info .section-header {
  margin-bottom: 20px !important;
}
.contact-info-section .container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.contact-info-content {
  margin-top: 0;
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 25px;
  text-align: left;
}
.contact-vision {
  text-align: center;
  padding: 20px 0;
  border-bottom: 1px solid #e5e7eb;
}
.contact-vision p {
  margin: 8px 0;
  color: #475569;
  line-height: 1.6;
  font-size: 16px;
}
.contact-vision strong {
  color: var(--color-primary);
  font-weight: 600;
  margin-right: 8px;
}
.contact-card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
  padding: 35px 30px;
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
}
.contact-row:last-of-type {
  border-bottom: none;
}
.contact-label {
  min-width: 80px;
  color: #64748b;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
}
.contact-value {
  color: #1e293b;
  font-size: 15px;
  line-height: 1.5;
  flex: 1;
  text-align: left;
}
.contact-value a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.contact-value a:hover {
  color: #0284c7;
  text-decoration: underline;
}
.contact-qr {
  text-align: center;
  padding-top: 15px;
  border-top: 1px solid #f1f5f9;
}
.contact-qr img {
  max-width: 150px;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 12px;
}
.contact-qr p {
  margin: 0;
  color: #64748b;
  font-size: 14px;
}
.contact-map {
  margin-top: 30px;
  width: 100%;
  text-align: center;
}
.contact-map img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
@media (max-width: 768px) {
  .contact-card {
    padding: 30px 24px;
    gap: 30px;
  }
  .contact-row {
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
  }
  .contact-label {
    min-width: auto;
    font-size: 14px;
  }
  .contact-value {
    font-size: 15px;
  }
  .contact-vision p {
    font-size: 16px;
  }
}

/* 亚马逊仓库地址样式 */
.fba-address-content {
  background: transparent;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}

.fba-tip {
  margin: 0 0 16px 0;
  font-size: 16px;
  color: #333;
  font-weight: 600;
  line-height: 1.6;
}

.fba-tip-text {
  margin: 0 0 12px 0;
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

.fba-address-list {
  margin-top: 40px;
}

.fba-country {
  margin-bottom: 20px;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.fba-country-header {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  background: #fff;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s;
  border-bottom: 1px solid #e5e7eb;
}

.fba-country-header:hover {
  background: #f8f9fa;
}

.fba-country-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #ff6600;
  color: #fff;
  border-radius: 50%;
  font-weight: bold;
  font-size: 16px;
  margin-right: 15px;
  flex-shrink: 0;
}

.fba-country-header h3 {
  margin: 0;
  font-size: 18px;
  color: #333;
  font-weight: 600;
  flex: 1;
  padding-bottom: 0;
  border-bottom: none;
}

.fba-country-toggle {
  font-size: 14px;
  color: #666;
  transition: transform 0.3s;
  margin-left: 10px;
  flex-shrink: 0;
}

.fba-country.expanded .fba-country-toggle {
  transform: rotate(180deg);
}

.fba-country-content {
  padding: 20px;
  background: #fff;
}

.fba-table-wrapper {
  overflow-x: auto;
  margin-top: 0;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
}

.fba-table-wrapper::-webkit-scrollbar {
  height: 8px;
}

.fba-table-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.fba-table-wrapper::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

.fba-table-wrapper::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.fba-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
  min-width: 800px;
}

.fba-table thead {
  background: #f8f9fa;
}

.fba-table th {
  padding: 14px 12px;
  text-align: left;
  font-weight: 600;
  color: #333;
  border: 1px solid #e5e7eb;
  white-space: nowrap;
  font-size: 14px;
}

.fba-table td {
  padding: 12px;
  border: 1px solid #e5e7eb;
  color: #333;
  font-size: 14px;
  line-height: 1.6;
}

.fba-table tbody tr:hover {
  background: #f8f9fa;
}

.fba-table tbody tr:nth-child(even) {
  background: #fafafa;
}

.fba-table tbody tr:nth-child(even):hover {
  background: #f0f0f0;
}

/* Partners */
.partners-section { background: #f8fafc; padding: 60px 0; }
.partners-section .section-title { text-align: center; margin-bottom: 40px; }
.partners-section .partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 1200px;
  margin: 0 auto;
}
.partners-section .partners-grid .card {
  display: grid;
  place-items: center;
  padding: 12px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.partners-section .partners-grid .card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.partners-section .partners-grid img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(0.2);
  transition: filter 0.3s ease;
}
.partners-section .partners-grid img.partner-large {
  transform: scale(1.5);
  object-fit: contain;
}
.partners-section .partners-grid .card:hover img {
  filter: grayscale(0);
}

/* Footer Partners */
.partners-grid { grid-template-columns: repeat(5, 1fr); align-items: center; list-style: none; padding: 0; margin: 0; }
.partners-grid .card { display: grid; place-items: center; padding: 16px; }
.partners-grid img { max-width: 100%; max-height: 56px; object-fit: contain; }

.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li { background: var(--color-card); padding: 14px 12px; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); border: 1px solid rgba(2,6,23,.06); display: flex; align-items: center; gap: 10px; }
.step-index { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(14,165,233,.15); color: var(--color-primary); font-weight: 700; }

.cta { background: linear-gradient(135deg, rgba(14,165,233,.08), rgba(14,165,233,.02)); }
.cta-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; align-items: center; background: var(--color-card); border-radius: var(--radius); padding: clamp(16px, 4vw, 28px); box-shadow: var(--shadow-md); }
.cta-media img { width: 100%; height: auto; border-radius: 12px; }

/* Footer */
.site-footer { background: #000; color: #fff; border-top: 1px solid rgba(255,255,255,.1); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 20px; padding-top: 20px; }
.footer-brand { color: #fff; }
.footer-brand p { color: rgba(255,255,255,.8); }
.footer-brand p strong { color: #fff; font-weight: 600; }
.footer-contact { color: #fff; }
.footer-contact h3 { color: #fff; margin: 0 0 16px; font-size: inherit; padding: 0; text-align: left; }
.footer-contact ul { color: rgba(255,255,255,.9); margin: 0; padding: 0; list-style: none; text-align: left; }
.footer-contact ul li { margin: 0 0 8px 0; padding: 0; line-height: 1.8; }
.footer-contact a { color: rgba(255,255,255,.9); }
.footer-contact a:hover { color: #fff; }
.footer-brand .footer-logo { width: 60px; height: auto; max-height: 60px; border-radius: 8px; object-fit: contain; flex-shrink: 0; }
@media (max-width: 720px) {
  .footer-brand .footer-logo { width: 50px; max-height: 50px; }
}
.footer-qr { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; }
.footer-qr .qr { width: 140px; height: auto; border-radius: 8px; box-shadow: var(--shadow-sm); }
.footer-contact .qr { width: 140px; height: auto; border-radius: 8px; box-shadow: var(--shadow-sm); margin-top: 8px; }
.footer-bottom { border-top: 1px dashed rgba(255,255,255,.15); padding: 14px 0 24px; text-align: center; color: rgba(255,255,255,.7); }
.footer-bottom a { color: rgba(255,255,255,.7); text-decoration: none; margin-left: 12px; }
.footer-bottom a:hover { color: #fff; }

/* Back to top */
.back-to-top { position: fixed; right: 16px; bottom: 16px; width: 40px; height: 40px; border-radius: 999px; background: var(--color-primary); color: #fff; border: 0; box-shadow: var(--shadow-md); display: grid; place-items: center; cursor: pointer; opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease; transform: translateY(8px); z-index: 45; }
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* Floating contact */
.floating-contact {
  position: fixed;
  top: 70%;
  right: 20px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  z-index: 70;
}
.floating-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 64px;
  height: 64px;
  border-radius: 16px 0 0 16px;
  background: var(--color-card);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  overflow: visible;
  cursor: pointer;
  transition: width .45s ease, box-shadow .45s ease, background .45s ease;
}
.floating-item:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.floating-phone {
  transition: width .35s ease, box-shadow .35s ease, background .35s ease;
}
.floating-phone:is(:hover, :focus-visible) {
  width: 220px;
  background: linear-gradient(135deg, rgba(224,242,254,.9), rgba(186,230,253,.8));
  box-shadow: 0 12px 24px rgba(15,23,42,.18);
}
.floating-wechat {
  transition: width 1.85s ease, box-shadow 1.85s ease, background 1.85s ease;
  z-index: 100;
}
.floating-wechat:is(:hover, :focus-visible) {
  width: 240px;
  box-shadow: 0 14px 30px rgba(15,23,42,.24);
  background: linear-gradient(135deg, rgba(224,242,254,.96), rgba(186,230,253,.88));
  z-index: 101;
}
.floating-item .floating-icon {
  flex: 0 0 64px;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: #fff;
  height: 100%;
}
.floating-wechat .floating-icon {
  transition: opacity .45s ease, transform .45s ease;
}
.floating-item .floating-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}
.floating-item .floating-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 0 18px;
  opacity: 0;
  transform: translateX(8px);
  white-space: nowrap;
  position: relative;
  z-index: 2;
}
.floating-item .floating-text {
  transition: opacity .4s ease .1s, transform .4s ease .1s;
}
.floating-phone:is(:hover, :focus-visible) .floating-text { opacity: 1; transform: translateX(0); }
.floating-wechat .floating-text {
  transition: opacity 1.2s ease .3s, transform 1.2s ease .3s;
}
.floating-wechat:is(:hover, :focus-visible) .floating-text { opacity: 1; transform: translateX(0); }
.floating-wechat:is(:hover, :focus-visible) .floating-icon { opacity: 0; transform: translateX(-18px) scale(.82); }
.floating-item .floating-text strong { font-size: 15px; }
.floating-item .floating-text span { font-size: 14px; color: var(--color-muted); }
.floating-phone { text-decoration: none; }
.floating-wechat { border: none; background: var(--color-card); padding: 0; font: inherit; text-align: left; }
.floating-wechat .floating-qr {
  position: absolute;
  right: 52px;
  top: 50%;
  transform: translateY(-50%) scale(.85);
  width: 150px;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(2,6,23,.08);
  box-shadow: var(--shadow-md);
  background: #fff;
  padding: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1.1s ease .22s, transform 1.1s ease .22s;
  z-index: 102;
}
.floating-wechat:is(:hover, :focus-visible) .floating-qr { opacity: 1; transform: translateY(-50%) scale(1); }

@media (max-width: 720px) {
  .floating-contact {
    top: auto;
    bottom: 120px;
    right: 12px;
    transform: none;
    gap: 12px;
  }
  .floating-item {
    width: 54px;
    height: 54px;
    border-radius: 16px;
  }
  .floating-item .floating-icon { flex-basis: 54px; }
  .floating-wechat:is(:hover, :focus-visible) { width: 200px; }
  .floating-wechat .floating-qr {
    right: 36px;
    transform: translateY(-50%) scale(.8);
  }
  .floating-wechat:is(:hover, :focus-visible) .floating-qr {
    transform: translateY(-50%) scale(1);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .reasons-grid { gap: 6px; }
  .partners-section .partners-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .partners-section .partners-grid .card { padding: 12px; }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-qr { grid-column: 2; align-items: flex-start; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: fixed; right: 0; top: 0; bottom: 0; width: min(88vw, 360px); background: #fff; transform: translateX(100%); transition: transform .2s ease; box-shadow: var(--shadow-md); padding-top: var(--nav-h); z-index: 50; }
  body.nav-open .site-nav { transform: translateX(0); }
  .menu.root { flex-direction: column; align-items: stretch; padding: 12px; gap: 2px; }
  .has-dropdown .dropdown { position: static; display: none; box-shadow: none; border: 1px dashed rgba(2,6,23,.08); margin: 6px 0 10px; }
  .has-dropdown.open > .dropdown { display: block; }
  .site-header .brand-logo { width: auto; max-width: 250px; height: auto; max-height: 48px; object-fit: contain; }
  .brand-logo { width: 50px; height: 50px; }
  .brand-name { font-size: 24px; }
  .card-grid.three { grid-template-columns: 1fr; }
  .reasons-grid { gap: 6px; }
  .fba-address-section { padding: 40px 0; }
  .fba-address-section .section-title { font-size: 24px; }
  .fba-address-content { padding: 0; }
  .fba-country { margin-bottom: 15px; }
  .fba-country-header { padding: 12px 15px; }
  .fba-country-number { width: 28px; height: 28px; font-size: 14px; margin-right: 12px; }
  .fba-country-header h3 { font-size: 16px; }
  .fba-country-content { padding: 15px; }
  .fba-table { font-size: 12px; min-width: 600px; }
  .fba-table th, .fba-table td { padding: 10px 8px; }
  .partners-section .partners-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .partners-section .partners-grid .card { padding: 12px; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
}

/* Utility */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* --- 1:1 模仿九方通逊 CSS 样式开始 --- */
    
    /* 容器设置 */
    .section.fba-address-section {
      background: #fff;
      padding: 40px 0;
      font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
      color: #333;
      font-size: 14px;
  }
  
  .container {
      width: 1200px; /* PC端标准宽度 */
      margin: 0 auto;
  }

  /* 顶部大标题 */
  .section-title {
      font-size: 24px;
      font-weight: normal;
      border-bottom: 1px solid #eee;
      padding-bottom: 15px;
      margin-bottom: 20px;
      color: #333;
  }

  /* 温馨提示框 (黄色背景) */
  .fba-tip-box {
      background-color: #fff8e5;
      border: 1px solid #ffebcc;
      padding: 15px;
      margin-bottom: 30px;
      border-radius: 4px;
      color: #8a6d3b;
      line-height: 1.8;
  }
  
  .fba-tip-box strong {
      color: #a94442; /* 深红色强调 */
      display: block;
      margin-bottom: 5px;
      font-weight: bold;
  }

  .fba-tip-text {
      margin: 0;
  }

  /* 国家标题 (模拟Tab头样式) */
  .fba-country h3 {
      display: inline-block;
      background-color: #f60; /* 九方橙 */
      color: #fff;
      font-size: 14px;
      font-weight: bold;
      padding: 8px 20px;
      border-radius: 4px 4px 0 0;
      margin-bottom: 0;
      margin-top: 0;
  }
  
  /* 配合标题的下划线装饰 */
  .fba-country-header-line {
      border-bottom: 2px solid #f60;
      margin-bottom: 15px;
  }

  /* 表格样式 */
  .fba-table {
      width: 100%;
      border-collapse: collapse;
      border: 1px solid #ddd;
      margin-bottom: 40px; /* 每个表格之间的间距 */
  }

  .fba-table th, 
  .fba-table td {
      border: 1px solid #ddd;
      padding: 10px 12px;
      text-align: left;
      font-size: 13px;
  }

  /* 表头样式 */
  .fba-table th {
      background-color: #f2f2f2;
      color: #333;
      font-weight: bold;
      white-space: nowrap; /* 防止表头换行 */
  }

  /* 隔行变色 (斑马纹) */
  .fba-table tbody tr:nth-child(even) {
      background-color: #fafafa;
  }

  /* 鼠标悬停高亮 */
  .fba-table tbody tr:hover {
      background-color: #fffdf5; /* 淡淡的黄色悬停 */
  }

  /* 响应式处理（简单适配） */
  .fba-table-wrapper {
      overflow-x: auto;
  }