/* ==========================================================================
   海外站 · 七大区域站点设计系统
   每个区域通过 [data-region] 切换 CSS 变量、字体、圆角、动效节奏与装饰纹样，
   组件结构共用一套（.rz-*），保证可维护性，同时让各区域呈现不同的本地气质。
   ========================================================================== */

/* ---------- 1. 基础与主题变量 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body.rz-body {
  margin: 0;
  background: var(--rz-bg);
  color: var(--rz-ink);
  font-family: var(--rz-font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--rz-font-display);
  color: var(--rz-ink);
  margin: 0;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: var(--rz-track, 0);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--rz-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.rz-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.rz-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 10px 16px;
  background: var(--rz-accent);
  color: #fff;
}
.rz-skip:focus { left: 8px; top: 8px; }

/* 默认主题（区域总览页） */
.rz-body,
[data-region="gateway"] {
  --rz-bg: #fbfbfc;
  --rz-surface: #ffffff;
  --rz-surface-2: #f3f5f8;
  --rz-ink: #101828;
  --rz-ink-soft: #3a4457;
  --rz-muted: #6b7688;
  --rz-line: #e3e7ee;
  --rz-accent: #26406f;
  --rz-accent-2: #9a7b4f;
  --rz-accent-soft: rgba(38, 64, 111, 0.08);
  --rz-radius: 16px;
  --rz-radius-sm: 10px;
  --rz-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -18px rgba(16, 24, 40, .18);
  --rz-font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: 0;
  --rz-hero-bg: linear-gradient(180deg, #f6f8fb 0%, #ffffff 72%);
  --rz-hero-ink: #101828;
  --rz-hero-soft: #4a5567;
  --rz-btn-radius: 999px;
}

/* ---------- 北美：克制的 SaaS 风格 ---------- */
[data-region="north-america"] {
  --rz-bg: #ffffff;
  --rz-surface: #ffffff;
  --rz-surface-2: #f6f8fc;
  --rz-ink: #0a0f1e;
  --rz-ink-soft: #39435a;
  --rz-muted: #6d7688;
  --rz-line: #e5e9f2;
  --rz-accent: #1f5eff;
  --rz-accent-2: #00a98f;
  --rz-accent-soft: rgba(31, 94, 255, 0.07);
  --rz-radius: 18px;
  --rz-radius-sm: 12px;
  --rz-shadow: 0 1px 2px rgba(10, 15, 30, .05), 0 18px 40px -24px rgba(10, 15, 30, .28);
  --rz-font-display: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: -0.018em;
  --rz-hero-bg: radial-gradient(920px 460px at 78% -12%, rgba(31, 94, 255, .10), transparent 66%), linear-gradient(180deg, #f7f9fd 0%, #ffffff 78%);
  --rz-hero-ink: #0a0f1e;
  --rz-hero-soft: #46506a;
  --rz-btn-radius: 10px;
}

/* ---------- 欧洲：编辑式与包豪斯传统 ---------- */
[data-region="europe"] {
  --rz-bg: #f5f2ec;
  --rz-surface: #fffdf9;
  --rz-surface-2: #efeae1;
  --rz-ink: #17181a;
  --rz-ink-soft: #3c3d40;
  --rz-muted: #736c60;
  --rz-line: #d8d1c4;
  --rz-accent: #1b3a6b;
  --rz-accent-2: #b4552d;
  --rz-accent-soft: rgba(27, 58, 107, 0.07);
  --rz-radius: 2px;
  --rz-radius-sm: 2px;
  --rz-shadow: none;
  --rz-font-display: Georgia, "Times New Roman", "Songti SC", "Noto Serif SC", serif;
  --rz-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: -0.01em;
  --rz-hero-bg: linear-gradient(180deg, #f1ece2 0%, #f5f2ec 100%);
  --rz-hero-ink: #17181a;
  --rz-hero-soft: #4a4843;
  --rz-btn-radius: 2px;
}

/* ---------- 东亚：精密与高信息密度 ---------- */
[data-region="east-asia"] {
  --rz-bg: #faf9f7;
  --rz-surface: #ffffff;
  --rz-surface-2: #f2f1ee;
  --rz-ink: #14171a;
  --rz-ink-soft: #383d43;
  --rz-muted: #74787e;
  --rz-line: #e1dfdb;
  --rz-accent: #1a3f7a;
  --rz-accent-2: #c8452c;
  --rz-accent-soft: rgba(26, 63, 122, 0.06);
  --rz-radius: 2px;
  --rz-radius-sm: 2px;
  --rz-shadow: none;
  --rz-font-display: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-font-body: "Hiragino Sans", "Noto Sans JP", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: 0.012em;
  --rz-hero-bg: linear-gradient(180deg, #f7f6f3 0%, #faf9f7 100%);
  --rz-hero-ink: #14171a;
  --rz-hero-soft: #454a51;
  --rz-btn-radius: 2px;
}

/* ---------- 东南亚：热带明快 ---------- */
[data-region="southeast-asia"] {
  --rz-bg: #f4fcf9;
  --rz-surface: #ffffff;
  --rz-surface-2: #e7f7f1;
  --rz-ink: #0b2b26;
  --rz-ink-soft: #235049;
  --rz-muted: #588078;
  --rz-line: #cde9e1;
  --rz-accent: #0f9d8a;
  --rz-accent-2: #ff7a59;
  --rz-accent-soft: rgba(15, 157, 138, 0.10);
  --rz-radius: 26px;
  --rz-radius-sm: 16px;
  --rz-shadow: 0 2px 6px rgba(11, 43, 38, .04), 0 22px 48px -28px rgba(11, 43, 38, .28);
  --rz-font-display: "Nunito", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-font-body: "Nunito", -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: 0;
  --rz-hero-bg: radial-gradient(780px 420px at 84% -8%, rgba(255, 122, 89, .22), transparent 62%), radial-gradient(680px 460px at 6% 8%, rgba(15, 157, 138, .18), transparent 60%), linear-gradient(180deg, #eefaf6 0%, #f4fcf9 100%);
  --rz-hero-ink: #0b2b26;
  --rz-hero-soft: #2b5a52;
  --rz-btn-radius: 999px;
}

/* ---------- 南美洲：浓烈块面 ---------- */
[data-region="south-america"] {
  --rz-bg: #fff8f0;
  --rz-surface: #ffffff;
  --rz-surface-2: #fdeede;
  --rz-ink: #2a1a12;
  --rz-ink-soft: #51372a;
  --rz-muted: #8a6c5b;
  --rz-line: #f0d8c2;
  --rz-accent: #d9542b;
  --rz-accent-2: #1f5c4a;
  --rz-accent-soft: rgba(217, 84, 43, 0.09);
  --rz-radius: 14px;
  --rz-radius-sm: 8px;
  --rz-shadow: 0 2px 4px rgba(42, 26, 18, .05), 0 20px 40px -26px rgba(42, 26, 18, .34);
  --rz-font-display: Georgia, "Songti SC", "Noto Serif SC", serif;
  --rz-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: -0.008em;
  --rz-hero-bg: linear-gradient(180deg, #fbe6cf 0%, #fff8f0 82%);
  --rz-hero-ink: #2a1a12;
  --rz-hero-soft: #5b3d2c;
  --rz-btn-radius: 6px;
}

/* ---------- 中东：深色典雅 ---------- */
[data-region="middle-east"] {
  --rz-bg: #0d1015;
  --rz-surface: #141920;
  --rz-surface-2: #1b212a;
  --rz-ink: #f4efe4;
  --rz-ink-soft: #cdc5b4;
  --rz-muted: #968d7d;
  --rz-line: rgba(201, 162, 39, 0.22);
  --rz-accent: #c9a227;
  --rz-accent-2: #2f8f83;
  --rz-accent-soft: rgba(201, 162, 39, 0.10);
  --rz-radius: 8px;
  --rz-radius-sm: 4px;
  --rz-shadow: 0 1px 0 rgba(201, 162, 39, .10), 0 26px 60px -34px rgba(0, 0, 0, .9);
  --rz-font-display: Optima, "Palatino Linotype", Georgia, "Songti SC", serif;
  --rz-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: 0.02em;
  --rz-hero-bg: linear-gradient(180deg, #0a0d12 0%, #11161d 100%);
  --rz-hero-ink: #f6f1e6;
  --rz-hero-soft: #c2b9a7;
  --rz-btn-radius: 2px;
}

/* ---------- 非洲：大地色与织物几何 ---------- */
[data-region="africa"] {
  --rz-bg: #fdf6ec;
  --rz-surface: #fffdf8;
  --rz-surface-2: #f6e9d6;
  --rz-ink: #1c1a16;
  --rz-ink-soft: #443a2e;
  --rz-muted: #7e6b54;
  --rz-line: #e7d3b6;
  --rz-accent: #b0442c;
  --rz-accent-2: #2f5d3a;
  --rz-accent-soft: rgba(176, 68, 44, 0.08);
  --rz-radius: 10px;
  --rz-radius-sm: 6px;
  --rz-shadow: 0 2px 4px rgba(28, 26, 22, .05), 0 18px 38px -24px rgba(28, 26, 22, .3);
  --rz-font-display: "Segoe UI Semibold", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rz-track: 0;
  --rz-hero-bg: linear-gradient(180deg, #f7e6cd 0%, #fdf6ec 84%);
  --rz-hero-ink: #1c1a16;
  --rz-hero-soft: #52432f;
  --rz-btn-radius: 4px;
}

/* ---------- 2. 布局 ---------- */
.rz-shell {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.rz-section {
  padding: 86px 0;
  border-top: 1px solid var(--rz-line);
}
.rz-section:first-of-type { border-top: 0; }
.rz-section--tint { background: var(--rz-surface-2); }
.rz-section--dark {
  background: #0b0e13;
  color: #f4efe4;
  border-top-color: rgba(255, 255, 255, .08);
}
[data-region="middle-east"] .rz-section--dark { background: #080b0f; }
.rz-section--dark h2,
.rz-section--dark h3 { color: #f7f2e7; }
.rz-section--dark .rz-eyebrow { color: var(--rz-accent); }

.rz-head {
  max-width: 780px;
  margin-bottom: 44px;
}
.rz-head--wide { max-width: 900px; }

.rz-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rz-accent);
  margin-bottom: 16px;
}
.rz-eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}

.rz-head h2,
.rz-head h1 {
  font-size: clamp(26px, 3.2vw, 38px);
  margin-bottom: 14px;
  line-height: 1.24;
}
.rz-head p {
  color: var(--rz-ink-soft);
  font-size: 16px;
}
.rz-section--dark .rz-head p { color: rgba(244, 239, 228, .78); }

.rz-card {
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
  box-shadow: var(--rz-shadow);
}

/* ---------- 3. 头部导航 ---------- */
.rz-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--rz-bg);
  background: color-mix(in srgb, var(--rz-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rz-line);
  transition: box-shadow .3s ease, background .3s ease;
}
.rz-header.is-stuck {
  box-shadow: 0 10px 30px -22px rgba(0, 0, 0, .45);
}

.rz-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.rz-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.rz-brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rz-accent);
  color: var(--rz-accent);
  border-radius: var(--rz-radius-sm);
}
.rz-brand-mark svg { width: 19px; height: 19px; }
.rz-brand-copy { display: flex; flex-direction: column; line-height: 1.25; }
.rz-brand-copy strong {
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--rz-ink);
}
.rz-brand-copy strong em {
  font-style: normal;
  font-weight: 500;
  color: var(--rz-accent);
  font-size: 13px;
  letter-spacing: .1em;
}
.rz-brand-copy small {
  font-size: 11px;
  color: var(--rz-muted);
  letter-spacing: .06em;
}

.rz-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14.5px;
}
.rz-nav > a {
  color: var(--rz-ink-soft);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.rz-nav > a:hover,
.rz-nav > a.is-active {
  color: var(--rz-ink);
  border-bottom-color: var(--rz-accent);
}

.rz-switch { position: relative; }
.rz-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  background: transparent;
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-btn-radius);
  cursor: pointer;
  font-size: 13.5px;
  color: var(--rz-ink);
  transition: border-color .2s ease, background .2s ease;
}
.rz-switch-btn:hover { border-color: var(--rz-accent); }
.rz-switch-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rz-accent);
}
.rz-switch-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 268px;
  padding: 8px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius-sm);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, .5);
  display: none;
  max-height: 70vh;
  overflow-y: auto;
}
[data-rz-switch].is-open .rz-switch-menu { display: block; }
.rz-switch-menu a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 11px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--rz-ink-soft);
}
.rz-switch-menu a:hover { background: var(--rz-accent-soft); color: var(--rz-ink); }
.rz-switch-menu a.is-active { background: var(--rz-accent-soft); color: var(--rz-ink); }
.rz-switch-menu small { font-size: 11px; color: var(--rz-muted); letter-spacing: .04em; }

/* 语言切换：三语并排，当前语言高亮 */
.rz-lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-btn-radius);
}
.rz-lang a {
  padding: 5px 9px;
  border-radius: calc(var(--rz-btn-radius) - 2px);
  font-size: 12.5px;
  line-height: 1.2;
  color: var(--rz-muted);
  white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}
.rz-lang a:hover { color: var(--rz-ink); background: var(--rz-accent-soft); }
.rz-lang a.is-active { color: #fff; background: var(--rz-accent); }

.rz-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0 9px;
  background: transparent;
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-btn-radius);
  cursor: pointer;
}
.rz-nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--rz-ink);
  transition: transform .25s ease, opacity .25s ease;
}
.rz-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.rz-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.rz-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- 4. 首屏 ---------- */
.rz-hero {
  position: relative;
  padding: 72px 0 76px;
  background: var(--rz-hero-bg);
  color: var(--rz-hero-ink);
  overflow: hidden;
  border-bottom: 1px solid var(--rz-line);
}
.rz-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: var(--rz-hero-motif, none);
  background-size: var(--rz-hero-motif-size, auto);
}
.rz-hero > .rz-shell { position: relative; z-index: 1; }

/* 区域专属纹样：用 CSS 渐变实现，无需额外图片资源 */
[data-region="north-america"] { --rz-hero-motif: linear-gradient(rgba(31,94,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(31,94,255,.05) 1px, transparent 1px); --rz-hero-motif-size: 68px 68px; }
[data-region="europe"] { --rz-hero-motif: repeating-linear-gradient(180deg, rgba(27,58,107,.07) 0 1px, transparent 1px 96px); }
[data-region="east-asia"] { --rz-hero-motif: repeating-linear-gradient(90deg, rgba(26,63,122,.06) 0 1px, transparent 1px 132px); }
[data-region="southeast-asia"] { --rz-hero-motif: radial-gradient(circle at 88% 82%, rgba(255,122,89,.14), transparent 42%); }
[data-region="south-america"] { --rz-hero-motif: repeating-linear-gradient(115deg, rgba(217,84,43,.07) 0 2px, transparent 2px 84px); }
[data-region="middle-east"] {
  --rz-hero-motif: repeating-linear-gradient(45deg, rgba(201,162,39,.10) 0 1px, transparent 1px 34px), repeating-linear-gradient(-45deg, rgba(201,162,39,.10) 0 1px, transparent 1px 34px);
}
[data-region="africa"] { --rz-hero-motif: repeating-linear-gradient(90deg, rgba(176,68,44,.09) 0 14px, rgba(47,93,58,.07) 14px 28px, transparent 28px 56px); }

.rz-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  gap: 56px;
  align-items: start;
}

.rz-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rz-accent);
  margin-bottom: 20px;
  padding: 5px 12px;
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-btn-radius);
  background: var(--rz-accent-soft);
}
[data-region="middle-east"] .rz-kicker {
  border-color: rgba(201, 162, 39, .38);
  background: rgba(201, 162, 39, .08);
}

.rz-hero h1 {
  font-size: clamp(30px, 4.1vw, 50px);
  line-height: 1.16;
  letter-spacing: var(--rz-track);
  margin-bottom: 22px;
}
.rz-hero h1 em {
  font-style: normal;
  color: var(--rz-accent);
}

.rz-hero-lead {
  font-size: 17px;
  line-height: 1.86;
  color: var(--rz-hero-soft);
  max-width: 640px;
}

.rz-answer {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 2px solid var(--rz-accent);
  background: var(--rz-accent-soft);
  border-radius: 0 var(--rz-radius-sm) var(--rz-radius-sm) 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rz-ink-soft);
}
.rz-answer b { color: var(--rz-ink); }
[data-region="middle-east"] .rz-answer {
  background: rgba(201, 162, 39, .07);
  color: #cfc7b6;
}
[data-region="middle-east"] .rz-answer b { color: #f6f1e6; }

.rz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.rz-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: var(--rz-btn-radius);
  font-size: 14.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.rz-btn--primary {
  background: var(--rz-accent);
  color: #fff;
}
[data-region="middle-east"] .rz-btn--primary { color: #10130f; }
.rz-btn--primary:hover { transform: translateY(-1px); }
.rz-btn--ghost {
  background: transparent;
  border-color: var(--rz-line);
  color: var(--rz-ink);
}
.rz-btn--ghost:hover { border-color: var(--rz-accent); color: var(--rz-accent); }
.rz-btn svg { width: 15px; height: 15px; }

.rz-facts {
  display: grid;
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--rz-line);
  /* 首屏事实条数量按页面不同（3~4 项），auto-fit 保证每项等宽且不留空格 */
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
}
.rz-fact {
  padding: 18px 18px 0 0;
}
.rz-fact + .rz-fact { padding-left: 20px; border-left: 1px solid var(--rz-line); }
.rz-fact dt {
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--rz-muted);
  margin-bottom: 6px;
}
.rz-fact dd {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--rz-ink);
  line-height: 1.5;
}

/* 首屏右侧档案卡 */
.rz-profile {
  padding: 26px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
  box-shadow: var(--rz-shadow);
}
[data-region="middle-east"] .rz-profile {
  background: linear-gradient(180deg, #151a21, #11161d);
  border-color: rgba(201, 162, 39, .28);
}
.rz-profile-top {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rz-accent);
  margin-bottom: 6px;
}
.rz-profile h2 {
  font-size: 19px;
  margin-bottom: 18px;
}
.rz-profile dl { margin: 0; }
.rz-profile-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 11px 0;
  border-top: 1px dashed var(--rz-line);
  font-size: 13.5px;
}
.rz-profile-row:first-of-type { border-top: 0; }
.rz-profile-row dt { color: var(--rz-muted); }
.rz-profile-row dd { margin: 0; color: var(--rz-ink); line-height: 1.62; }

.rz-stats {
  display: grid;
  /* 统计项数量按区域不同（3~4 项），用 auto-fit 让每项等宽铺满，避免出现空格子 */
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  background: var(--rz-line);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius-sm);
  overflow: hidden;
}
.rz-stat {
  background: var(--rz-surface);
  padding: 15px 12px;
  text-align: center;
}
.rz-stat strong {
  display: block;
  font-family: var(--rz-font-display);
  font-size: 26px;
  line-height: 1.1;
  color: var(--rz-accent);
}
.rz-stat span {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  color: var(--rz-muted);
}

/* ---------- 5. 服务卡 ---------- */
.rz-services {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.rz-service {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 22px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
  box-shadow: var(--rz-shadow);
  position: relative;
  overflow: hidden;
  transition: transform .28s cubic-bezier(.22, 1, .36, 1), border-color .28s ease, box-shadow .28s ease;
}
.rz-service::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--rz-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .32s cubic-bezier(.22, 1, .36, 1);
}
.rz-service:hover {
  transform: translateY(-4px);
  border-color: var(--rz-accent);
}
.rz-service:hover::before { transform: scaleY(1); }

.rz-service-icon {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--rz-radius-sm);
  background: var(--rz-accent-soft);
  color: var(--rz-accent);
}
.rz-service-icon svg { width: 21px; height: 21px; stroke: currentColor; fill: none; stroke-width: 1.4; }
.rz-service-num {
  position: absolute;
  right: 20px; top: 20px;
  font-family: var(--rz-font-display);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rz-muted);
}
.rz-service h3 { font-size: 18px; }
.rz-service .rz-service-en {
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--rz-muted);
}
.rz-service p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--rz-ink-soft);
}
.rz-service-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--rz-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--rz-accent);
  font-weight: 600;
}
.rz-service-foot svg { width: 14px; height: 14px; }

/* ---------- 6. 案例 ---------- */
.rz-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.rz-chip {
  padding: 7px 14px;
  font-size: 13px;
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-btn-radius);
  background: transparent;
  color: var(--rz-ink-soft);
  cursor: pointer;
  transition: all .2s ease;
}
.rz-chip:hover { border-color: var(--rz-accent); color: var(--rz-ink); }
.rz-chip.is-active {
  background: var(--rz-accent);
  border-color: var(--rz-accent);
  color: #fff;
}
[data-region="middle-east"] .rz-chip.is-active { color: #10130f; }

.rz-cases {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rz-case {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
  box-shadow: var(--rz-shadow);
  transition: border-color .25s ease, transform .25s ease;
}
.rz-case:hover { border-color: var(--rz-accent); }
.rz-case[hidden] { display: none; }

.rz-case-head { display: flex; flex-direction: column; gap: 8px; }
.rz-case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.rz-tag {
  font-size: 11.5px;
  letter-spacing: .06em;
  padding: 3px 9px;
  border-radius: var(--rz-btn-radius);
  background: var(--rz-accent-soft);
  color: var(--rz-accent);
  font-weight: 600;
}
.rz-tag--plain {
  background: transparent;
  border: 1px solid var(--rz-line);
  color: var(--rz-muted);
  font-weight: 500;
}
.rz-case h3 { font-size: 18.5px; line-height: 1.45; }
.rz-case-name { font-size: 18.5px; line-height: 1.45; }
.rz-case-client {
  font-size: 13px;
  color: var(--rz-muted);
  line-height: 1.6;
}
.rz-case-body { display: flex; flex-direction: column; gap: 13px; }
.rz-case-block h4 {
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--rz-accent);
  margin-bottom: 5px;
  font-family: var(--rz-font-body);
  font-weight: 700;
}
.rz-case-block p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--rz-ink-soft);
}
.rz-case-block ul { display: flex; flex-direction: column; gap: 6px; }
.rz-case-block li {
  position: relative;
  padding-left: 15px;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--rz-ink-soft);
}
.rz-case-block li::before {
  content: "";
  position: absolute;
  left: 0; top: .72em;
  width: 5px; height: 1px;
  background: var(--rz-accent);
}
.rz-case-quote {
  margin-top: 4px;
  padding: 12px 14px;
  background: var(--rz-surface-2);
  border-radius: var(--rz-radius-sm);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rz-ink-soft);
  border-left: 2px solid var(--rz-accent);
}
.rz-case-quote b { color: var(--rz-ink); font-weight: 600; }

.rz-case-note {
  margin-top: 22px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--rz-muted);
}

/* ---------- 7. 合规 / 流程 / FAQ ---------- */
.rz-compliance {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.rz-comp {
  padding: 22px 22px 20px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--rz-radius);
  background: rgba(255, 255, 255, .03);
}
[data-region="middle-east"] .rz-comp { border-color: rgba(201, 162, 39, .22); }
.rz-comp-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .12em;
  padding: 2px 8px;
  border-radius: var(--rz-btn-radius);
  background: rgba(201, 162, 39, .14);
  background: color-mix(in srgb, var(--rz-accent) 26%, transparent);
  color: #e6d6a8;
  color: color-mix(in srgb, var(--rz-accent) 35%, #ffffff);
  margin-bottom: 10px;
  font-weight: 600;
}
.rz-comp h3 { font-size: 16.5px; margin-bottom: 8px; color: #f5f0e5; }
.rz-comp p { font-size: 13.8px; line-height: 1.8; color: rgba(240, 235, 224, .74); }

.rz-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rz-line);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
  overflow: hidden;
}
.rz-step {
  background: var(--rz-surface);
  padding: 24px 20px;
}
.rz-step-num {
  font-family: var(--rz-font-display);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--rz-accent);
  margin-bottom: 10px;
}
.rz-step h3 { font-size: 16px; margin-bottom: 8px; }
.rz-step p { font-size: 13.5px; line-height: 1.75; color: var(--rz-ink-soft); }
.rz-step-gate {
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--rz-line);
  font-size: 12.5px !important;
  color: var(--rz-muted) !important;
}
.rz-step-gate span {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border-radius: var(--rz-btn-radius);
  background: var(--rz-accent-soft);
  color: var(--rz-accent);
  font-size: 11px;
  letter-spacing: .08em;
}

/* 区块尾注 */
.rz-section-note {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--rz-line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--rz-muted);
  max-width: 900px;
}

/* 信息表（公司信息等键值对） */
.rz-info {
  margin: 30px 0 0;
  border-top: 1px solid var(--rz-line);
}
.rz-info-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rz-line);
}
.rz-info-row dt {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--rz-muted);
}
.rz-info-row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--rz-ink);
}

/* 联系卡 */
.rz-contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}
.rz-contact-card {
  padding: 24px 22px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
}
.rz-contact-card h3 { font-size: 15.5px; margin-bottom: 10px; }
.rz-contact-card p { font-size: 13.8px; line-height: 1.8; color: var(--rz-ink-soft); }

/* 总览卡内的服务标签 */
.rz-region-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 2px;
}
.rz-region-tags i {
  font-style: normal;
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--rz-accent-soft);
  color: var(--rz-ink-soft);
  white-space: nowrap;
}

.rz-faq { border-top: 1px solid var(--rz-line); }
.rz-faq details {
  border-bottom: 1px solid var(--rz-line);
}
.rz-faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--rz-ink);
  list-style: none;
}
.rz-faq summary::-webkit-details-marker { display: none; }
.rz-faq summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
  color: var(--rz-accent);
  transition: transform .25s ease;
}
.rz-faq details[open] summary::after { transform: rotate(45deg); }
.rz-faq details p {
  padding: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rz-ink-soft);
  max-width: 860px;
}

/* ---------- 8. 区域总览卡 ---------- */
.rz-regions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.rz-region-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-radius);
  box-shadow: var(--rz-shadow);
  position: relative;
  overflow: hidden;
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), border-color .3s ease;
}
.rz-region-card:hover { transform: translateY(-4px); border-color: var(--rc-accent, var(--rz-accent)); }
.rz-region-card::after {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 130px; height: 130px;
  border-radius: 50%;
  background: var(--rc-soft, var(--rz-accent-soft));
  transition: transform .4s ease;
}
.rz-region-card:hover::after { transform: scale(1.18); }
.rz-region-card > * { position: relative; z-index: 1; }
.rz-region-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.rz-region-name {
  font-family: var(--rz-font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--rz-ink);
}
.rz-region-en {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--rz-muted);
}
.rz-region-swatch {
  display: inline-flex;
  gap: 4px;
}
.rz-region-swatch i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--sw);
}
.rz-region-countries {
  font-size: 13px;
  color: var(--rz-ink-soft);
}
.rz-region-desc {
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--rz-ink-soft);
}
.rz-region-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--rz-line);
  font-size: 12.5px;
  color: var(--rz-muted);
}
.rz-region-meta b { color: var(--rz-ink); font-weight: 600; }
.rz-region-go {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--rc-accent, var(--rz-accent));
}
.rz-region-go svg { width: 14px; height: 14px; transition: transform .25s ease; }
.rz-region-card:hover .rz-region-go svg { transform: translateX(4px); }

/* ---------- 9. 页脚 ---------- */
.rz-footer {
  border-top: 1px solid var(--rz-line);
  background: var(--rz-surface-2);
  padding: 56px 0 32px;
  margin-top: 0;
}
[data-region="middle-east"] .rz-footer { background: #0a0d12; border-top-color: rgba(201, 162, 39, .22); }

.rz-footer-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--rz-line);
}
.rz-footer-regions a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--rz-line);
  border-radius: var(--rz-btn-radius);
  font-size: 13px;
  color: var(--rz-ink-soft);
  transition: border-color .2s ease, color .2s ease;
}
.rz-footer-regions a:hover { border-color: var(--rz-accent); color: var(--rz-accent); }
.rz-footer-regions small { font-size: 10.5px; color: var(--rz-muted); letter-spacing: .06em; }

.rz-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 34px;
}
.rz-footer h3 {
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--rz-muted);
  margin-bottom: 14px;
  font-family: var(--rz-font-body);
  font-weight: 700;
}
.rz-footer ul { display: flex; flex-direction: column; gap: 9px; }
.rz-footer ul a {
  font-size: 13.5px;
  color: var(--rz-ink-soft);
  display: inline-flex;
  gap: 6px;
  align-items: baseline;
}
.rz-footer ul a:hover { color: var(--rz-accent); }
.rz-footer ul small { font-size: 10.5px; color: var(--rz-muted); }

.rz-footer-brand strong {
  display: block;
  font-family: var(--rz-font-display);
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--rz-ink);
}
.rz-footer-brand p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--rz-ink-soft);
  max-width: 400px;
}
.rz-footer-base {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--rz-muted);
}

/* ---------- 底部友情链接 ---------- */
.rz-footer-links {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--rz-line);
}
.rz-footer-links-title {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rz-muted);
  margin-bottom: 12px;
}
.rz-footer-link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.rz-footer-link-cloud a {
  font-size: 13px;
  color: var(--rz-ink-soft);
  text-decoration: none;
  transition: color .2s ease;
}
.rz-footer-link-cloud a:hover { color: var(--rz-accent); }

.rz-footer-legal {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--rz-line);
  font-size: 12px;
  line-height: 1.75;
  color: var(--rz-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rz-copy span { opacity: .8; }

/* ---------- 10. 动效 ---------- */
.rz-reveal {
  opacity: 1;
  transform: none;
}
html.rz-js .rz-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .62s cubic-bezier(.22, 1, .36, 1), transform .62s cubic-bezier(.22, 1, .36, 1);
}
html.rz-js .rz-reveal.is-in {
  opacity: 1;
  transform: none;
}
/* 东亚与欧洲更克制：位移更小 */
[data-region="east-asia"] .rz-reveal,
[data-region="europe"] .rz-reveal { transform: translateY(10px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.rz-js .rz-reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .rz-service:hover,
  .rz-region-card:hover,
  .rz-btn--primary:hover { transform: none; }
}

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1080px) {
  .rz-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .rz-services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rz-regions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rz-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rz-footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 860px) {
  .rz-nav-toggle { display: flex; }
  .rz-nav {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    background: var(--rz-bg);
    border-bottom: 1px solid var(--rz-line);
    display: none;
  }
  .rz-nav.is-open { display: flex; }
  .rz-nav > a {
    padding: 14px 0;
    border-bottom: 1px solid var(--rz-line);
    font-size: 15.5px;
  }
  .rz-switch { margin-top: 14px; }
  .rz-switch-btn { width: 100%; justify-content: space-between; }
  .rz-switch-menu { position: static; width: 100%; box-shadow: none; margin-top: 8px; border-style: dashed; }
  .rz-lang { margin-top: 12px; width: 100%; justify-content: space-between; }
  .rz-lang a { flex: 1; text-align: center; padding: 8px 0; font-size: 13.5px; }
  .rz-hero { padding: 52px 0 58px; }
  .rz-section { padding: 62px 0; }
  .rz-cases { grid-template-columns: 1fr; }
  .rz-compliance { grid-template-columns: 1fr; }
  .rz-facts { grid-template-columns: 1fr; }
  .rz-fact + .rz-fact { padding-left: 0; border-left: 0; border-top: 1px solid var(--rz-line); padding-top: 14px; }
  .rz-fact { padding: 14px 0 0; }
}

@media (max-width: 620px) {
  .rz-shell { padding: 0 18px; }
  .rz-services,
  .rz-regions-grid,
  .rz-steps,
  .rz-contact,
  .rz-footer-grid { grid-template-columns: 1fr; }
  .rz-info-row { grid-template-columns: 1fr; gap: 6px; }
  .rz-hero h1 { font-size: 28px; }
  .rz-hero-lead { font-size: 15.5px; }
  .rz-head h2 { font-size: 24px; }
  .rz-profile { padding: 20px; }
  .rz-stats { grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); }
  .rz-stat strong { font-size: 21px; }
  .rz-btn { width: 100%; justify-content: center; }
  .rz-case { padding: 22px 18px; }
  .rz-section { padding: 52px 0; }
}

/* ---------- 移动端吸底联系条 ---------- */
.rz-mobile-cta { display: none; }

/* 小屏头部：品牌文字可收缩，避免英文长名把导航按钮挤出视口 */
@media (max-width: 720px) {
  .rz-brand { flex-shrink: 1; min-width: 0; }
  .rz-brand-copy { min-width: 0; }
  .rz-brand-copy strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .rz-brand-copy small { display: none; }
}

@media (max-width: 720px) {
  .rz-mobile-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    background: var(--rz-bg);
    background: color-mix(in srgb, var(--rz-bg) 92%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--rz-line);
  }
  .rz-mobile-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 44px;
    padding: 0 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--rz-text);
    background: transparent;
    border: 1px solid var(--rz-line);
    border-radius: var(--rz-radius-sm);
    cursor: pointer;
    text-decoration: none;
  }
  .rz-mobile-cta-btn--primary {
    background: var(--rz-accent);
    border-color: var(--rz-accent);
    color: #fff;
  }
  [data-region="middle-east"] .rz-mobile-cta-btn--primary { color: #10130f; }
  body.region-page { padding-bottom: 74px; }
}

.rz-toast {
  position: fixed;
  left: 50%;
  bottom: 88px;
  transform: translate(-50%, 12px);
  z-index: 80;
  padding: 10px 16px;
  font-size: 13.5px;
  border-radius: 999px;
  background: rgba(18, 20, 26, 0.92);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.rz-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}