/* ==========================================================================
   港星国际 - 香港公司注册专题站
   样式表（PwC pwccn.com 风格设计系统）
   上传位置：网站根目录 /skin/gx/css/style.css
   模板引用：<link rel="stylesheet" href="[!--news.url--]skin/gx/css/style.css">
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --pwc-orange: #D04A02;      /* 主强调色 */
  --pwc-orange-dark: #B03E00;
  --pwc-pink: #E56DB1;        /* 便签色系 */
  --pwc-yellow: #D9930D;
  --pwc-green: #199E5C;
  --pwc-blue: #005EB8;
  --pwc-purple: #7300A0;
  --pwc-ink: #23262B;         /* 主文字/深色底 */
  --pwc-gray: #53565A;        /* 次要文字 */
  --pwc-light: #F0F0F0;       /* 浅灰底 */
  --pwc-lighter: #F7F7F7;     /* 更浅灰底 */
  --pwc-border: #DCDCDC;      /* 边框 */
  --font: Arial, "Helvetica Neue", Helvetica, "Microsoft YaHei", sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font);
  color: var(--pwc-ink);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--pwc-orange); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 3. 顶部工具条 ---------- */
.topbar {
  background: var(--pwc-light);
  border-bottom: 1px solid var(--pwc-border);
  font-size: 12px;
  color: var(--pwc-gray);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
}
.topbar a { color: var(--pwc-gray); margin-left: 18px; }
.topbar a:hover { color: var(--pwc-orange); text-decoration: none; }

/* ---------- 4. 主导航 ---------- */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--pwc-orange);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px;
  background: var(--pwc-orange);
  color: #fff;
  font-weight: bold;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 1px;
}
.logo-text { line-height: 1.25; }
.logo-text .cn { font-size: 19px; font-weight: bold; color: var(--pwc-ink); display: block; }
.logo-text .en { font-size: 10px; color: var(--pwc-gray); letter-spacing: .4px; display: block; }
.main-nav { display: flex; list-style: none; gap: 2px; }
.main-nav > li > a {
  display: block;
  padding: 10px 13px;
  color: var(--pwc-ink);
  font-size: 15px;
  border-bottom: 2px solid transparent;
}
.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--pwc-orange);
  border-bottom-color: var(--pwc-orange);
  text-decoration: none;
}
.nav-cta {
  background: var(--pwc-orange);
  color: #fff !important;
  padding: 10px 20px !important;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--pwc-orange-dark) !important; border-bottom-color: transparent !important; }

/* ---------- 5. Hero 横幅 ---------- */
.hero {
  background: linear-gradient(120deg, #1f2430 0%, #33302e 55%, #4a3423 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -60px; top: -100px;
  width: 440px; height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(208,74,2,.5), transparent 70%);
}
.hero::before {
  content: "";
  position: absolute;
  left: -100px; bottom: -170px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,94,184,.28), transparent 70%);
}
.hero .container {
  position: relative;
  z-index: 2;
  padding-top: 96px;
  padding-bottom: 96px;
  max-width: 1000px;
}
.hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
}
.hero h1 em { font-style: normal; color: #F5A46B; }
.hero-summary {
  font-size: 17px;
  color: rgba(255,255,255,.85);
  max-width: 740px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--pwc-orange);
  color: #fff;
  padding: 13px 34px;
  font-size: 15px;
  border-radius: 2px;
}
.btn-primary:hover { background: var(--pwc-orange-dark); text-decoration: none; }
.btn-outline {
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
  padding: 13px 34px;
  font-size: 15px;
  border-radius: 2px;
}
.btn-outline:hover { background: rgba(255,255,255,.12); text-decoration: none; }

/* ---------- 6. 关键数字条 ---------- */
.stats { background: var(--pwc-ink); color: #fff; padding: 44px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num { font-size: 38px; font-weight: 700; color: var(--pwc-orange); line-height: 1.2; }
.stat-num span { font-size: 18px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,.75); margin-top: 6px; }
.stat-note { font-size: 11px; color: rgba(255,255,255,.45); margin-top: 2px; }

/* ---------- 7. 通用 Section ---------- */
.section { padding: 80px 0; }
.section.alt { background: var(--pwc-lighter); }
.section-head { max-width: 800px; margin-bottom: 48px; }
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
  position: relative;
  padding-bottom: 14px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 56px; height: 4px;
  background: var(--pwc-orange);
}
.section-head .lead { color: var(--pwc-gray); font-size: 16px; }

/* ---------- 8. GEO 摘要区块 ---------- */
.geo-summary {
  background: #fff;
  border-left: 5px solid var(--pwc-orange);
  padding: 28px 32px;
  margin-bottom: 56px;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
}
.geo-summary strong { display: block; margin-bottom: 8px; font-size: 16px; }
.geo-summary p { color: var(--pwc-gray); font-size: 15px; }

/* ---------- 9. 服务卡片（PwC 便签色系顶边） ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--pwc-border);
  border-top: 5px solid var(--pwc-orange);
  padding: 30px 24px;
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 14px 32px rgba(0,0,0,.1); }
.service-card:nth-child(2) { border-top-color: var(--pwc-pink); }
.service-card:nth-child(3) { border-top-color: var(--pwc-blue); }
.service-card:nth-child(4) { border-top-color: var(--pwc-green); }
.service-card:nth-child(5) { border-top-color: var(--pwc-yellow); }
.service-card:nth-child(6) { border-top-color: var(--pwc-purple); }
.service-card:nth-child(7) { border-top-color: var(--pwc-blue); }
.service-card:nth-child(8) { border-top-color: var(--pwc-orange); }
.service-icon { font-size: 26px; margin-bottom: 14px; display: inline-block; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card h3 a { color: var(--pwc-ink); }
.service-card h3 a:hover { color: var(--pwc-orange); text-decoration: none; }
.service-card p { font-size: 13.5px; color: var(--pwc-gray); flex: 1; margin-bottom: 12px; }
.service-card .more { font-size: 13px; font-weight: bold; }

/* ---------- 10. 注册流程步骤 ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.process-item {
  background: #fff;
  border: 1px solid var(--pwc-border);
  padding: 24px 18px 20px;
}
.process-item .num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 10px;
  color: transparent;
  -webkit-text-stroke: 1px var(--pwc-orange);
}
.process-item h3 { font-size: 15px; margin-bottom: 6px; }
.process-item p { font-size: 12.5px; color: var(--pwc-gray); }

/* ---------- 11. 费用透明表 ---------- */
.fee-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.fee-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
}
.fee-table caption {
  text-align: left;
  font-size: 17px;
  font-weight: bold;
  padding-bottom: 14px;
  color: var(--pwc-ink);
}
.fee-table th, .fee-table td {
  border: 1px solid var(--pwc-border);
  padding: 12px 16px;
  text-align: left;
}
.fee-table th { background: #2B579A; color: #fff; font-weight: normal; }
.fee-table td { color: var(--pwc-gray); }
.fee-table td:first-child { color: var(--pwc-ink); width: 46%; }
.fee-table .fee-val { font-weight: bold; color: var(--pwc-ink); }
.fee-notes { font-size: 13px; color: var(--pwc-gray); }
.fee-notes h3 { font-size: 17px; color: var(--pwc-ink); margin-bottom: 14px; }
.fee-notes li { margin-bottom: 12px; }
.fee-notes ol { padding-left: 20px; }

/* ---------- 12. Amazon 专题 ---------- */
.amazon-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--pwc-border);
}
.amazon-visual {
  background: linear-gradient(150deg, #232F3E 0%, #37475A 100%);
  color: #fff;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.amazon-visual .tag {
  display: inline-block;
  background: var(--pwc-orange);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 18px;
  width: fit-content;
}
.amazon-visual h3 { font-size: 26px; line-height: 1.4; margin-bottom: 14px; }
.amazon-visual p { font-size: 14px; color: rgba(255,255,255,.8); }
.amazon-body { padding: 48px 40px; }
.amazon-body h3 { font-size: 20px; margin-bottom: 16px; }
.amazon-checklist { list-style: none; }
.amazon-checklist li {
  padding: 12px 0 12px 32px;
  border-bottom: 1px solid var(--pwc-border);
  font-size: 14px;
  color: var(--pwc-gray);
  position: relative;
}
.amazon-checklist li::before {
  content: "\2713";
  position: absolute;
  left: 0; top: 12px;
  color: var(--pwc-orange);
  font-weight: bold;
}
.amazon-warn {
  margin-top: 20px;
  background: var(--pwc-lighter);
  border-left: 4px solid var(--pwc-yellow);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--pwc-gray);
}

/* ---------- 13. 知识中心与资讯 ---------- */
.insights-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
.insight-feature {
  background: #fff;
  border: 1px solid var(--pwc-border);
  overflow: hidden;
  transition: box-shadow .25s;
}
.insight-feature:hover { box-shadow: 0 14px 32px rgba(0,0,0,.1); }
.insight-cover {
  height: 260px;
  background: linear-gradient(135deg, #D04A02, #7300A0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 21px;
  font-weight: bold;
  text-align: center;
  padding: 0 30px;
  line-height: 1.5;
}
.insight-feature-body { padding: 26px; }
.insight-feature-body .meta { font-size: 12px; color: var(--pwc-gray); margin-bottom: 8px; }
.insight-feature-body h3 { font-size: 20px; margin-bottom: 10px; line-height: 1.4; }
.insight-feature-body h3 a { color: var(--pwc-ink); }
.insight-feature-body h3 a:hover { color: var(--pwc-orange); text-decoration: none; }
.insight-feature-body .desc { font-size: 14px; color: var(--pwc-gray); }
.insight-list { list-style: none; }
.insight-list li {
  border-bottom: 1px solid var(--pwc-border);
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.insight-list li:first-child { padding-top: 4px; }
.insight-list a { color: var(--pwc-ink); font-size: 14.5px; font-weight: bold; }
.insight-list a:hover { color: var(--pwc-orange); text-decoration: none; }
.insight-list .date { font-size: 12px; color: var(--pwc-gray); white-space: nowrap; }

/* ---------- 14. FAQ 问答 ---------- */
.faq-wrap { max-width: 880px; }
.faq-item { border-bottom: 1px solid var(--pwc-border); padding: 22px 0; }
.faq-item h3 { font-size: 17px; margin-bottom: 10px; display: flex; align-items: flex-start; gap: 10px; }
.faq-item h3::before {
  content: "Q";
  background: var(--pwc-orange);
  color: #fff;
  min-width: 26px; height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border-radius: 2px;
  margin-top: 1px;
  flex-shrink: 0;
}
.faq-item p { color: var(--pwc-gray); font-size: 14px; padding-left: 36px; }

/* ---------- 15. CTA ---------- */
.cta { background: var(--pwc-orange); color: #fff; text-align: center; padding: 72px 24px; }
.cta h2 { font-size: 30px; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,.85); margin-bottom: 28px; font-size: 16px; }
.cta .btn-primary { background: #fff; color: var(--pwc-orange); }
.cta .btn-primary:hover { background: var(--pwc-light); }

/* ---------- 16. 页脚 ---------- */
.site-footer { background: var(--pwc-ink); color: rgba(255,255,255,.72); padding: 64px 0 0; font-size: 13px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-grid h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: rgba(255,255,255,.72); }
.footer-grid a:hover { color: #fff; }
.footer-brand p { margin: 12px 0; max-width: 360px; }
.footer-entity { color: rgba(255,255,255,.5); font-size: 12px; margin-top: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.14);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 17. 响应式 ---------- */
@media (max-width: 992px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .insights-grid { grid-template-columns: 1fr; }
  .amazon-panel { grid-template-columns: 1fr; }
  .fee-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hero h1 { font-size: 28px; }
  .hero .container { padding-top: 56px; padding-bottom: 56px; }
  .services-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 25px; }
  .topbar .hide-m { display: none; }
}

/* ==========================================================================
   以下为栏目页样式（页面内容式栏目使用）
   ========================================================================== */

/* ---------- 18. 面包屑 ---------- */
.breadcrumb {
  background: var(--pwc-lighter);
  border-bottom: 1px solid var(--pwc-border);
  font-size: 13px;
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  color: var(--pwc-gray);
}
.breadcrumb a { color: var(--pwc-gray); }
.breadcrumb a:hover { color: var(--pwc-orange); }
.breadcrumb .sep { color: var(--pwc-border); }

/* ---------- 19. 栏目页头 ---------- */
.page-hero {
  background: linear-gradient(120deg, #2b3038 0%, #3d3a35 60%, #4a3423 100%);
  color: #fff;
  padding: 56px 0;
}
.page-hero h1 { font-size: 32px; margin-bottom: 10px; }
.page-hero .lead {
  color: rgba(255,255,255,.8);
  max-width: 780px;
  font-size: 15px;
}

/* ---------- 20. 栏目正文排版 ---------- */
.page-body { padding: 64px 0 80px; }
.page-body .content { max-width: 920px; }
.page-body h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 52px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pwc-border);
  position: relative;
}
.page-body h2:first-child { margin-top: 0; }
.page-body h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 48px; height: 3px;
  background: var(--pwc-orange);
}
.page-body h3 { font-size: 18px; margin: 28px 0 10px; }
.page-body p { color: var(--pwc-gray); font-size: 15px; margin-bottom: 14px; }
.page-body ul, .page-body ol {
  padding-left: 22px;
  color: var(--pwc-gray);
  font-size: 15px;
  margin-bottom: 18px;
}
.page-body li { margin-bottom: 8px; }
.page-body table { margin: 18px 0 26px; }
.page-body .note {
  font-size: 13px;
  color: var(--pwc-gray);
  background: var(--pwc-lighter);
  border-left: 4px solid var(--pwc-yellow);
  padding: 12px 16px;
  margin-bottom: 18px;
}

/* ---------- 21. 子栏目导航卡（栏目页底部入口） ---------- */
.subcats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.subcat-card {
  background: #fff;
  border: 1px solid var(--pwc-border);
  border-left: 4px solid var(--pwc-orange);
  padding: 16px 18px;
  font-size: 14px;
  font-weight: bold;
  color: var(--pwc-ink);
  transition: box-shadow .2s;
}
.subcat-card:hover {
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
  text-decoration: none;
}
@media (max-width: 992px) {
  .subcats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .subcats { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 24px; }
  .page-body h2 { font-size: 21px; }
}

/* ---------- 22. 文章详情页 ---------- */
.article-meta {
  font-size: 13px;
  color: var(--pwc-gray);
  border-bottom: 1px solid var(--pwc-border);
  padding-bottom: 14px;
  margin-bottom: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.article-meta .source { color: var(--pwc-orange); font-weight: bold; }
.article-meta .back-link { margin-left: auto; color: var(--pwc-gray); }
.article-meta .back-link:hover { color: var(--pwc-orange); text-decoration: none; }
.article-body { font-size: 15px; color: var(--pwc-gray); }
.article-body h2:first-child { margin-top: 0; }
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--pwc-border);
  margin-top: 50px;
  padding-top: 22px;
}
.article-nav a {
  color: var(--pwc-ink);
  font-size: 14px;
  font-weight: bold;
  flex: 1;
  display: block;
}
.article-nav a.prev::before { content: "上一篇："; color: var(--pwc-gray); font-weight: normal; }
.article-nav a.next::before { content: "下一篇："; color: var(--pwc-gray); font-weight: normal; }
.article-nav a:hover { color: var(--pwc-orange); text-decoration: none; }
.article-related h2 { margin-top: 0; }