/* ==========================================================================
   PPVIEW Cloud 开放平台 — 全站样式（重构版）
   单一样式表，替代原 Foundation/Bootstrap/自定义样式混用的方案。
   主题：body.theme-blue / theme-green / theme-cyan 通过 --brand 切换品牌色。
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --blue: #40a3e1;
  --green: #6bba52;
  --cyan: #52c9ec;
  --ink: #22303c;
  --ink-soft: #5a6b7a;
  --line: #e4eaf0;
  --bg-soft: #f4f7fa;
  --card-shadow: 0 10px 30px rgba(20, 40, 60, 0.10);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
          "PingFang SC", "Hiragino Sans GB", sans-serif;
}

.theme-blue { --brand: var(--blue);  --brand-deep: #2378b2; }
.theme-green{ --brand: var(--green); --brand-deep: #4b9439; }
.theme-cyan { --brand: var(--cyan);  --brand-deep: #2ba3c4; }

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 0.6em; font-weight: 700; }

:focus-visible { outline: 3px solid #ffb648; outline-offset: 2px; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 200;
  background: #fff; color: var(--ink); padding: 8px 16px;
  border-radius: 8px; box-shadow: var(--card-shadow); transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 11px 34px; border-radius: 999px;
  border: 2px solid transparent; font-size: 16px; line-height: 1.5;
  cursor: pointer; text-align: center; transition: all 0.25s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-light { background: #fff; color: var(--brand); }
.btn-light:hover { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18); color: var(--brand); }
.btn-outline { border-color: #fff; color: #fff; background: transparent; }
.btn-outline:hover { background: #fff; color: var(--brand); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); color: #fff; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(125deg, var(--brand) 10%, var(--brand-deep));
  color: #fff;
  padding: 72px 0 90px;
}
.hero .worldmap {
  position: absolute; inset: 0; pointer-events: none;
  background: url(../img/map.png) center / cover no-repeat;
  mix-blend-mode: soft-light; opacity: 0.55;
}
/* 整屏 hero（首页三屏，容器为 .fp-wrap） */
.hero.full {
  display: flex; align-items: center;
  min-height: calc(100vh - var(--header-h));
  padding: 48px 0;
}
.hero.full .visual { display: flex; justify-content: center; }

/* ---------- 首页整屏滚动（fullpage 风格） ---------- */
/* 首页导航透明悬浮：覆盖共享头部的实色背景，滚到各屏透出该屏自己的渐变色 */
body.fp-page .site-header {
  position: fixed; left: 0; right: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0));
  box-shadow: none;
}
body.fp-page { overflow: hidden; height: 100vh; height: 100dvh; }
.fp-wrap {
  height: 100vh; height: 100dvh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;              /* 隐藏滚动条（同原版 fullpage 体验） */
}
.fp-wrap::-webkit-scrollbar { display: none; }
.fp-section {
  display: flex; flex-direction: column;
  height: 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
}
.fp-section .hero.full {
  flex: 1 0 auto;
  min-height: 100%; height: 100%;
  padding-top: calc(var(--header-h) + 8px);   /* 内容避开悬浮导航 */
}
/* 右侧屏幕圆点导航 */
.fp-dots {
  position: fixed; right: 18px; top: 50%; translate: 0 -50%;
  z-index: 90; display: flex; flex-direction: column; gap: 14px;
}
.fp-dots button {
  width: 12px; height: 12px; padding: 0; border-radius: 50%;
  border: 2px solid #fff; background: transparent; cursor: pointer; opacity: 0.75;
}
.fp-dots button.active { background: #fff; opacity: 1; }
/* 底部向下箭头 */
.fp-down {
  position: fixed; left: 50%; bottom: 16px; translate: -50% 0; z-index: 90;
  background: none; border: 0; color: #fff; cursor: pointer; opacity: 0.85;
  animation: bob 1.6s ease-in-out infinite;
}
.fp-down .ic { font-size: 34px; }
.fp-down.hidden { display: none; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}
/* 右下角固定备案信息（首页无完整页脚） */
.beian-fixed {
  position: fixed; right: 12px; bottom: 8px; z-index: 80; margin: 0;
  font-size: 12px; color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.beian-fixed a { color: inherit; }

/* 整屏进入动画（.active 由 site.js 控制，离开后复位，可重复触发） */
.fp-section .up {
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--d, 0s);
}
.fp-section.active .up { opacity: 1; transform: none; }
.fp-section .side {
  opacity: 0; transform: translateX(var(--dx, 60px));
  transition: opacity 0.7s ease, transform var(--dur, 0.8s) cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0.15s);
}
.fp-section.active .side { opacity: 1; transform: none; }
.fp-section .map-pin { transform: scale(0); }
.fp-section.active .map-pin {
  animation: pin-in 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: var(--pd, 0.5s);
}
@keyframes pin-in {
  from { transform: scale(0); }
  to { transform: scale(1); }
}
.hero-inner {
  position: relative; display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.hero h1 { font-size: clamp(30px, 4.2vw, 46px); font-weight: 700; margin-bottom: 14px; }
/* 桌面端双栏布局下标题不折行（栏间间隙足够容纳轻微溢出，避免孤字换行） */
@media (min-width: 961px) {
  .hero h1 { white-space: nowrap; }
}
.hero .lead { font-size: clamp(16px, 1.6vw, 20px); opacity: 0.95; margin: 0 0 30px;
  white-space: nowrap; }   /* 固定短句，桌面端保持单行 */
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 36px; }

.feature-points {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 22px; margin: 0; padding: 0; list-style: none;
}
.feature-points li { position: relative; padding-left: 22px; opacity: 0.95; }
.feature-points li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 9px; height: 9px; border-radius: 50%; background: #fff;
}

/* 世界地图上的脉冲节点 */
.map-wrap { position: relative; }
.map-pin {
  position: absolute; width: 12px; height: 12px; margin: -6px;
  border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,0.25);
}
.map-pin::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.8);
  animation: pin-ping 2.4s ease-out infinite;
  animation-delay: var(--d, 0s);
}
@keyframes pin-ping {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%  { transform: scale(2.6); opacity: 0; }
  100% { transform: scale(2.6); opacity: 0; }
}

/* ---------- 手机样机 + 截图轮播 ---------- */
/* .phone-box 按缩放比例预留布局空间，.phone 内部整体缩放 */
.phone-box { --phone-scale: 1; width: calc(330px * var(--phone-scale)); height: calc(628px * var(--phone-scale)); margin: 0 auto; }
.phone { position: relative; width: 330px; height: 628px; transform: scale(var(--phone-scale, 1)); transform-origin: top left; }
.phone::before {
  content: ""; position: absolute; inset: 0;
  background: url(../img/iphone1.png) no-repeat 0 -21px;
}
.phone .screen {
  position: absolute; left: 53px; top: 74px;
  width: 256px; height: 456px; overflow: hidden; background: #dfe7ee;
}
.phone .slides {
  display: flex; height: 100%; margin: 0; padding: 0; list-style: none;
  transition: transform 0.6s ease;
}
.phone .slides li { flex: 0 0 256px; }
.phone .slides img { display: block; width: 256px; height: 456px; object-fit: cover; }

/* ---------- 通用区块 ---------- */
.section { padding: 78px 0; }
.section[id], .sdk-section { scroll-margin-top: calc(var(--header-h) + 12px); }
.section.alt { background: var(--bg-soft); }
.section-title { text-align: center; font-size: clamp(24px, 3vw, 32px); margin-bottom: 10px; }
.section-sub { text-align: center; color: var(--ink-soft); margin: 0 auto 48px; max-width: 640px; }

/* 滚动进入动画 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s, transform 0.7s; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 产品页 hero 附加元素 ---------- */
.hero.center { text-align: center; }
.hero.center .lead { margin-left: auto; margin-right: auto; max-width: 720px; }

.badge-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 26px; }
.badge-row img { height: 42px; width: auto; background: #fff; border-radius: 8px; padding: 4px 10px; }

.iot-figure {
  background: #fff; border-radius: var(--radius); padding: 18px;
  box-shadow: var(--card-shadow); display: inline-block;
}
.iot-figure img { display: block; }

/* 物联示意图（分层动画：底图先现，设备图标逐个"接入"） */
.iot-diagram {
  background: #fff; border-radius: var(--radius); padding: 18px;
  box-shadow: var(--card-shadow); margin: 0;
}
.diagram-stage { position: relative; }
.diagram-base { display: block; width: 100%; height: auto; }
.diagram-node {
  position: absolute; transform: translate(-50%, -50%) scale(0); opacity: 0;
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition-delay: var(--nd, 0.5s);
}
.diagram-node img { display: block; width: 100%; height: auto; }
.fp-section.active .diagram-node { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- 特性圆卡（P2P 产品特点） ---------- */
.circle-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 20px; justify-items: center;
}
.circle-card {
  width: 208px; height: 208px; border-radius: 50%;
  border: 2px solid var(--brand); color: var(--brand);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 26px; transition: all 0.3s;
}
.circle-card .ic { font-size: 38px; margin-bottom: 6px; }
.circle-card h3 { font-size: 16px; margin: 0 0 6px; }
.circle-card p {
  font-size: 12px; line-height: 1.5; margin: 0; color: var(--ink-soft);
  transition: color 0.3s; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.circle-card a { color: inherit; display: block; }
.circle-card:hover, .circle-card:focus-within {
  background: var(--brand); color: #fff; transform: scale(1.04);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}
.circle-card:hover p, .circle-card:focus-within p { color: rgba(255, 255, 255, 0.92); }

/* ---------- 常见问题 ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 18px; }
.faq {
  background: #fff; border-radius: var(--radius); padding: 22px 26px;
  box-shadow: 0 4px 16px rgba(20, 40, 60, 0.06);
}
.faq .q { display: flex; gap: 12px; font-weight: 700; margin-bottom: 8px; }
.faq .a { display: flex; gap: 12px; color: var(--ink-soft); }
.faq .tag {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; margin-top: 2px;
}
.faq .q .tag { background: var(--brand); color: #fff; }
.faq .a .tag { background: var(--bg-soft); color: var(--brand); }

/* ---------- 合作伙伴跑马灯 ---------- */
.partners { overflow: hidden; position: relative; }
.partners-track {
  display: flex; gap: 22px; width: max-content;
  animation: marquee 45s linear infinite;
}
.partners:hover .partners-track { animation-play-state: paused; }
.partners-track img {
  height: 56px; width: auto; background: #fff; border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 14px;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 功能介绍卡（ppview 主要功能 / vvdev 方案） ---------- */
.feature-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px;
}
.feature-card {
  background: #fff; border-radius: var(--radius); padding: 34px 28px;
  box-shadow: 0 4px 16px rgba(20, 40, 60, 0.06);
  transition: transform 0.25s, box-shadow 0.25s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow); }
.feature-card .ic { font-size: 44px; color: var(--brand); margin-bottom: 14px; }
.feature-card img { height: 44px; width: auto; margin-bottom: 14px; }
.feature-card h3 { font-size: 19px; }
.feature-card ul { margin: 0; padding-left: 18px; color: var(--ink-soft); font-size: 14.5px; }
.feature-card ul li + li { margin-top: 6px; }

/* ---------- 联系信息带 ---------- */
.contact-band { background: var(--brand); color: #fff; padding: 46px 0; }
.contact-band .cols {
  display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 40px; align-items: start;
}
.contact-band h3 { font-size: 20px; letter-spacing: 2px; }
.contact-band .en { font-size: 13px; opacity: 0.85; font-weight: 600; }
.contact-band ul { list-style: none; margin: 0; padding: 0; }
.contact-band li { display: flex; gap: 10px; margin-bottom: 8px; opacity: 0.95; }
.contact-band .ic { margin-top: 5px; font-size: 16px; }
.contact-band a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 下载页 ---------- */
.dl-group { background: #fff; border-radius: var(--radius); padding: 30px 34px;
  box-shadow: 0 4px 16px rgba(20, 40, 60, 0.06); margin-bottom: 28px; }
.dl-group h3 { display: flex; align-items: center; gap: 10px; font-size: 20px; color: var(--brand); }
.dl-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.dl-list a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px;
  color: var(--ink); font-size: 15px; transition: all 0.2s;
}
.dl-list a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none;
  background: rgba(64, 163, 225, 0.06); }
.dl-list .ic { font-size: 20px; color: var(--brand); }

/* 应用下载 */
.app-ctas { display: grid; gap: 14px; max-width: 320px; }
.app-ctas .btn { display: flex; align-items: center; justify-content: center; gap: 10px; }

/* 锚点子导航（SDK 页两个 SDK 分区） */
.subnav {
  position: sticky; top: var(--header-h); z-index: 50;
  background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.subnav ul { display: flex; gap: 8px; list-style: none; margin: 0; padding: 10px 0; }
.subnav a {
  display: block; padding: 8px 22px; border-radius: 999px;
  color: var(--ink-soft); font-size: 15px;
}
.subnav a:hover { text-decoration: none; color: var(--brand); }
.subnav a.active { background: var(--brand); color: #fff; }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 34px; align-items: stretch; }
.about-card {
  background: #fff; border-radius: var(--radius); padding: 40px 44px;
  box-shadow: var(--card-shadow);
  border-top: 3px solid var(--brand);
}
.about-card .co-logo { max-width: 220px; margin-bottom: 16px; }
.about-card .co-name { font-size: 24px; letter-spacing: 4px; font-weight: 700; }
.about-card .co-name-en {
  font-size: 13px; font-weight: 600; color: var(--ink-soft);
  margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.about-card p { color: var(--ink-soft); line-height: 1.95; }
.about-card .mission { color: var(--ink); }
.about-card .mission strong { color: var(--brand); }
.about-contact {
  list-style: none; margin: 24px 0 0; padding: 20px 0 0;
  border-top: 1px solid var(--line);
}
.about-contact li { display: flex; gap: 12px; margin-bottom: 10px; align-items: baseline; }
.about-contact .ic { color: var(--brand); margin-top: 4px; font-size: 17px; }

.map-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--card-shadow);
  overflow: hidden; display: flex; flex-direction: column;
}
.map-card .map-visual {
  flex: 1; min-height: 480px; position: relative;
  background: url(../img/map.png) center / cover no-repeat;   /* 高德未加载时的静态兜底 */
}
.map-card .map-meta { padding: 22px 26px; border-top: 1px solid var(--line); }
.map-card .map-meta h3 { margin-bottom: 6px; }
.map-card .map-meta p { color: var(--ink-soft); margin: 0 0 14px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #1b2733; color: #9fb0bf; font-size: 14px; }
.footer-cols {
  display: grid; grid-template-columns: 1.3fr 1fr 1.3fr;
  gap: 40px; padding: 52px 0 40px;
}
.footer-cols h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-cols ul { list-style: none; margin: 0; padding: 0; }
.footer-cols li { margin-bottom: 8px; display: flex; gap: 9px; }
.footer-cols li .ic { margin-top: 4px; font-size: 15px; flex: none; }
.footer-cols a { color: #9fb0bf; }
.footer-cols a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 18px; margin-bottom: 12px; }
.footer-brand .ic { font-size: 24px; color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 18px 0; }
.footer-bottom .container {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
}
.footer-bottom a { color: #9fb0bf; }
.footer-bottom a:hover { color: #fff; }
.beian-badge { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 法律声明页 ---------- */
.legal { max-width: 860px; margin: 0 auto; padding: 56px 16px 72px; }
.legal h1 { text-align: center; font-size: 28px; margin-bottom: 30px; }
.legal h2 {
  font-size: 18px; background: #fff6df; border-left: 4px solid #f0b429;
  padding: 8px 12px; margin: 26px 0 12px; border-radius: 0 6px 6px 0;
}
.legal p { color: var(--ink-soft); margin: 0 0 12px; }
.legal .updated { text-align: center; color: var(--ink-soft); font-size: 14px; margin-bottom: 28px; }

/* ---------- 独立小页（cam.html 等） ---------- */
.standalone { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.standalone-card {
  width: min(512px, 100%); background: #fff; border-radius: 16px;
  padding: 20px; box-shadow: var(--card-shadow); text-align: center;
}
.standalone-card img { border-radius: 10px; width: 100%; }
.standalone-card .btn { width: 100%; margin-top: 18px; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-inner, .about-grid, .contact-band .cols { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 64px; }
  .phone-box { --phone-scale: 0.8; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  /* 移动端分区随内容增高（取消整屏裁剪），取消强制逐屏吸附 */
  .fp-section { height: auto; min-height: 100%; overflow: visible; }
  .fp-section .hero.full { height: auto; min-height: 100%; }
  .fp-wrap { scroll-snap-type: y proximity; }
  #s1 .map-wrap { width: 100%; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .feature-points { grid-template-columns: 1fr; }
  .phone-box { --phone-scale: 0.62; }
  .circle-card { width: 200px; height: 200px; }
  .footer-cols { grid-template-columns: 1fr; gap: 26px; }
  .section { padding: 56px 0; }
  .fp-dots { right: 10px; }
}

/* 大屏 / 高分辨率：整体放宽、拉开节奏 */
@media (min-width: 1600px) {
  .container { width: min(1360px, 88%); }
  .about-grid { grid-template-columns: 1.15fr 0.85fr; gap: 52px; }
  .about-card { padding: 48px 52px; }
  .about-card p { font-size: 17px; }
  .about-card .co-name { font-size: 26px; }
  .about-contact li { font-size: 16px; }
  .hero.full { padding: 72px 0; }
  .hero-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 110px;
  }
  .hero .lead { font-size: clamp(19px, 1.25vw, 23px); margin-bottom: 44px; white-space: nowrap; }
  /* 地图右移：延伸到页面右侧留白（不占用文字空间） */
  #s1 .map-wrap { flex: none; width: calc(100% + 12vw); max-width: none; margin-right: -12vw; }
  .hero h1 { font-size: clamp(40px, 3.4vw, 62px); margin-bottom: 22px; }
  .hero-actions { gap: 20px; margin-bottom: 52px; }
  .hero .btn { padding: 13px 42px; font-size: 17px; }
  .feature-points { gap: 18px 22px; }
  .feature-points li { font-size: 16px; padding-left: 22px; }
  .feature-points li::before { width: 10px; height: 10px; top: 0.58em; }
  .phone-box { --phone-scale: 1.15; }
  .section-title { font-size: clamp(30px, 2.6vw, 40px); }
  .section-sub { font-size: 18px; margin-bottom: 56px; }
}
/* 桌面矮窗口（如 1366×640 笔记本半屏）压缩视觉 */
@media (min-width: 961px) and (max-height: 760px) {
  .phone-box { --phone-scale: 0.78; }
  .hero.full { padding: 24px 0; }
  .hero h1 { font-size: clamp(26px, 3vw, 36px); }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* 首页第一屏世界地图：宽度随视觉列伸缩（大屏下视觉列加宽，见媒体查询） */

/* 关于页：东亚放大地图上的公司标注 */
.map-card .map-label {
  position: absolute; left: 50%; top: 50%;
  transform: translate(14px, 10px);
  background: rgba(34, 48, 60, 0.85); color: #fff;
  font-size: 12px; padding: 4px 10px; border-radius: 6px;
  white-space: nowrap;
}