/* ============================================================
   【BASE】公共基础样式
   所有页面共用：变量、重置、按钮、容器、通用区块
   ============================================================ */
/* ---------- 1. 全局变量 ---------- */
:root{
  --c-blue:#0F6CBD;
  --c-teal:#00B8A9;
  --c-yellow:#FFC53D;
  --c-orange:#FF7A1A;

  --c-blue-d:#0A5290;
  --c-teal-d:#019187;
  --c-orange-d:#E8640A;

  --navy:#06182E;
  --text:#0F2138;
  --text2:#5A6B80;
  --text3:#8A98AB;
  --line:#E6EDF6;
  --bg-soft:#F5F9FD;

  --grad-main:linear-gradient(120deg,#0F6CBD 0%,#00B8A9 38%,#FFC53D 72%,#FF7A1A 100%);
  --grad-blue-teal:linear-gradient(135deg,#0F6CBD,#00B8A9);
  --grad-teal-yellow:linear-gradient(135deg,#00B8A9,#FFC53D);
  --grad-yellow-orange:linear-gradient(135deg,#FFC53D,#FF7A1A);
  --grad-orange-blue:linear-gradient(135deg,#FF7A1A,#0F6CBD);
  --grad-warm:linear-gradient(135deg,#FFC53D,#FF7A1A);

  --sh-xs:0 2px 10px rgba(15,108,189,.06);
  --sh-sm:0 6px 20px rgba(15,108,189,.08);
  --sh-md:0 14px 40px rgba(15,108,189,.12);
  --sh-lg:0 28px 68px rgba(15,108,189,.18);

  --ease:cubic-bezier(.22,1,.36,1);
  --header-h:150px;
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit;}
ul{list-style:none;}

.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}
section[id]{scroll-margin-top:var(--header-h);}

/* ---------- 3. 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:all .3s var(--ease);
  position:relative;overflow:hidden;
}
.btn svg{width:16px;height:16px;flex-shrink:0;}

.btn-primary{
  background:var(--grad-main);
  background-size:180% 100%;
  color:#fff;
  box-shadow:0 10px 26px rgba(15,108,189,.28);
}
.btn-primary:hover{
  transform:translateY(-3px);
  background-position:100% 50%;
  box-shadow:0 16px 40px rgba(255,122,26,.36);
}

.btn-ghost{
  background:#fff;color:var(--c-blue);
  border:1.5px solid rgba(15,108,189,.25);
}
.btn-ghost:hover{
  border-color:var(--c-teal);
  color:var(--c-teal);
  background:rgba(0,184,169,.06);
  transform:translateY(-3px);
}

.btn-white{background:#fff;color:var(--c-blue);box-shadow:0 12px 30px rgba(0,0,0,.16);}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(0,0,0,.22);}

.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff;transform:translateY(-3px);}

/* 电话按钮（CTA、Hero 使用） */
.btn-tel{background:#fff;color:var(--c-blue);box-shadow:0 12px 30px rgba(0,0,0,.16);}
.btn-tel:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(0,0,0,.22);}

/* ---------- 4. 通用文字与区块 ---------- */
.section{padding:104px 0;}

.section-head{text-align:center;max-width:720px;margin:0 auto 60px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:900;letter-spacing:3.5px;
  text-transform:uppercase;color:var(--c-blue);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:26px;height:3px;border-radius:3px;
  background:var(--grad-main);
}
.section-head h2{
  font-size:clamp(27px,3.4vw,42px);
  font-weight:900;line-height:1.24;
  letter-spacing:-1px;margin-bottom:18px;
}
.section-head p{color:var(--text2);font-size:16px;}

.grad-text{
  background:var(--grad-main);
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  animation:gradShift 8s ease-in-out infinite;
}
@keyframes gradShift{
  0%,100%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
}

/* ---------- 5. 滚动入场动画 ---------- */
.reveal{opacity:0;transform:translateY(34px);
  transition:opacity .8s ease,transform .8s var(--ease);}
.reveal.visible{opacity:1;transform:none;}

/* ---------- 6. 返回顶部按钮 ---------- */
.to-top{
  position:fixed;right:26px;bottom:30px;z-index:90;
  width:50px;height:50px;border-radius:15px;
  background:var(--grad-main);
  display:grid;place-items:center;
  box-shadow:0 12px 30px rgba(15,108,189,.34);
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:.36s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(255,122,26,.4);}
.to-top svg{width:19px;height:19px;stroke:#fff;stroke-width:2.3;
  fill:none;stroke-linecap:round;stroke-linejoin:round;}
.ali-wang {
  position:fixed;right:26px;bottom:120px;z-index:90;
  width:50px;height:50px;border-radius:15px;
  background:rgba(255, 255, 255, 0.5);
  display:grid;place-items:center;
  box-shadow:0 12px 30px rgba(15,108,189,.34);
  transform:translateY(16px);
  transition:.36s var(--ease);
}
.ali-wang:hover{transform:translateY(9px);box-shadow:0 18px 40px rgba(255,122,26,.4);}
/* ---------- 7. 公共响应式 ---------- */
@media (max-width:980px){
  :root{--header-h:110px;}
}
@media (max-width:740px){
  .section{padding:74px 0;}
  .section-head{margin-bottom:44px;}
  .to-top{right:16px;bottom:20px;width:46px;height:46px;}
  .ali-wang{right:16px;bottom:100px;width:46px;height:46px;}
}
@media (max-width:430px){
  .btn{padding:13px 24px;font-size:14px;}
}

/* ---------- 8. 降低动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* ============================================================
   【HEADER】顶部导航样式
   所有页面共用，修改本文件会影响全站导航
   ============================================================ */

.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0 0;
  transition:padding .35s var(--ease),background .35s var(--ease),box-shadow .35s var(--ease);
}
.header.scrolled{
  padding:10px 0 0;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  box-shadow:0 4px 28px rgba(15,108,189,.1);
}

/* ---------- 第一行：logo + 右侧操作 ---------- */
.nav-top{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}

.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{width:64px;height:64px;border-radius:14px;
  box-shadow:0 8px 22px rgba(15,108,189,.26);
  transition:transform .4s var(--ease);}
.logo:hover .logo-mark{transform:rotate(-6deg) scale(1.06);}
.logo-text{display:flex;flex-direction:column;line-height:1.8;}
.logo-cn{font-size:19px;font-weight:900;letter-spacing:.4px;color:var(--text);}
.logo-en{font-size:9px;font-weight:800;letter-spacing:2.4px;color:var(--c-blue);}

.nav-right{display:flex;align-items:center;gap:18px;}
.nav-phone{
  font-size:15px;font-weight:900;color:var(--c-blue);
  white-space:nowrap;letter-spacing:.3px;
  display:flex;align-items:center;gap:7px;
}
.nav-phone svg{width:15px;height:15px;stroke:var(--c-teal);stroke-width:2.2;fill:none;
  stroke-linecap:round;stroke-linejoin:round;}

/* 二维码图片入口 */
.nav-cta,.nav-taobao{padding:0;font-size:14px;}
.nav-cta img,.nav-taobao img{width:88px;display:block;}
.nav-taobao-cta{display:none;gap:24px;padding-left:12px;padding-top:12px;}
.nav-taobao-cta img{width:88px;}

/* ---------- 第二行：菜单独占一行 ---------- */
.nav-row{
  position:relative;
  display:flex;justify-content:center;
  margin-top:14px;padding-bottom:13px;
  transition:margin .35s var(--ease),padding .35s var(--ease);
}
.header.scrolled .nav-row{margin-top:10px;padding-bottom:10px;}

/* 四色渐变分隔线 */
.nav-row::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,
    transparent 0%,
    rgba(15,108,189,.22) 20%,
    rgba(0,184,169,.26) 44%,
    rgba(255,197,61,.26) 66%,
    rgba(255,122,26,.22) 84%,
    transparent 100%);
}
.nav-menu,
.nav-menu nav{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;
  padding:9px 18px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text2);
  transition:.28s;
}
.nav-menu a.highlight{color:var(--c-orange-d);}
.nav-menu a::after{
  content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;
  border-radius:2px;background:var(--grad-main);
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-menu a:hover{color:var(--c-blue);background:rgba(15,108,189,.06);}
.nav-menu a:hover::after{transform:scaleX(1);}

/* 当前页高亮：在对应 <a> 上加 class="active" */
.nav-menu a.active{color:var(--c-blue);background:rgba(15,108,189,.07);}
.nav-menu a.active::after{transform:scaleX(1);}

/* ---------- 汉堡按钮 ---------- */
.menu-toggle{
  display:none;flex-direction:column;gap:5px;
  width:46px;height:46px;border-radius:13px;
  align-items:center;justify-content:center;
  background:rgba(15,108,189,.08);
}
.menu-toggle span{
  width:20px;height:2px;border-radius:2px;
  background:var(--c-blue);transition:.32s var(--ease);
}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0);}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 移动端：菜单变右侧抽屉 ---------- */
@media (max-width:980px){
  .nav-row{margin:0;padding:0;}
  .nav-row::after{display:none;}

  .nav-menu{
    position:fixed;top:0;right:0;z-index:99;
    width:290px;height:100vh;
    background:#fff;
    flex-direction:column;align-items:stretch;
    padding:96px 22px 44px;gap:3px;
    box-shadow:-14px 0 48px rgba(15,108,189,.16);
    transform:translateX(100%);
    transition:transform .4s var(--ease);
    overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-menu nav{
    flex-direction:column;align-items:stretch;
  }
  .nav-menu a{padding:15px 16px;font-size:16px;border-radius:12px;}
  .nav-menu a::after{display:none;}
  .menu-toggle{display:flex;}
  .nav-phone,.nav-cta,.nav-taobao{display:none;}
  .nav-taobao-cta{display:flex;}
}
/* ============================================================
   【FOOTER】页脚样式
   所有页面共用，修改本文件会影响全站页脚
   ============================================================ */

.footer{
  background:var(--navy);color:rgba(255,255,255,.7);
  padding:74px 0 0;position:relative;overflow:hidden;
}
.footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-main);
}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.35fr;
  gap:50px;padding-bottom:54px;
  border-bottom:1px solid rgba(255,255,255,.1);
}

/* ---------- 品牌列 ---------- */
.footer-brand .logo-cn{color:#fff;}
.footer-brand .logo-en{color:#5FA9E8;}
.footer-brand > p{
  font-size:14px;line-height:1.86;
  margin:22px 0 24px;max-width:330px;
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:42px;height:42px;border-radius:13px;
  background:rgba(255,255,255,.08);
  display:grid;place-items:center;
  transition:.3s var(--ease);
}
.footer-social a:nth-child(1):hover{background:var(--c-blue);}
.footer-social a:nth-child(2):hover{background:var(--c-teal);}
.footer-social a:nth-child(3):hover{background:var(--c-orange);}
.footer-social a:hover{transform:translateY(-4px);}
.footer-social svg{
  width:18px;height:18px;stroke:#fff;stroke-width:1.8;fill:none;
  stroke-linecap:round;stroke-linejoin:round;
}

/* ---------- 链接列 ---------- */
.footer h4{
  color:#fff;font-size:15px;font-weight:900;
  margin-bottom:22px;letter-spacing:.4px;
  position:relative;padding-left:14px;
}
.footer h4::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:4px;height:15px;border-radius:3px;
  background:var(--grad-main);
}
.footer-links li{margin-bottom:13px;}
.footer-links a{
  font-size:14px;transition:.28s;display:inline-block;
}
.footer-links a:hover{color:var(--c-yellow);transform:translateX(5px);}

/* ---------- 联系列 ---------- */
.footer-contact li{
  display:flex;gap:13px;margin-bottom:17px;
  font-size:14px;line-height:1.72;
}
.footer-contact svg{
  width:17px;height:17px;flex-shrink:0;margin-top:5px;
  stroke:var(--c-teal);stroke-width:1.9;fill:none;
  stroke-linecap:round;stroke-linejoin:round;
}
.footer-contact li:nth-child(2) svg{stroke:var(--c-yellow);}
.footer-contact li:nth-child(3) svg{stroke:var(--c-orange);}
.footer-contact b{color:#fff;font-weight:800;}

/* ---------- 版权条 ---------- */
.footer-bottom{
  padding:26px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.46);
}
.footer-bottom a{transition:.25s;}
.footer-bottom a:hover{color:var(--c-yellow);}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .footer-top{grid-template-columns:1fr 1fr;gap:44px;}
}
@media (max-width:740px){
  .footer-top{grid-template-columns:1fr;gap:38px;padding-bottom:42px;}
}

/* ============================================================
   PART 1 · 内页 Banner（page-hero）
   ============================================================ */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--header-h) + 68px) 0 84px;
  background:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,108,189,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,108,189,.05) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 72%);
  pointer-events:none;
}

/* 四色光斑 */
.page-blobs{position:absolute;inset:0;overflow:hidden;pointer-events:none;}
.page-blobs .blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.46;}
.page-blobs .blob-1{width:480px;height:480px;background:#0F6CBD;top:-200px;left:-100px;
  animation:drift1 22s ease-in-out infinite;}
.page-blobs .blob-2{width:400px;height:400px;background:#00B8A9;top:-60px;right:-90px;
  animation:drift2 26s ease-in-out infinite;}
.page-blobs .blob-3{width:360px;height:360px;background:#FFC53D;bottom:-180px;left:36%;
  animation:drift3 24s ease-in-out infinite;opacity:.4;}
.page-blobs .blob-4{width:340px;height:340px;background:#FF7A1A;bottom:-160px;right:4%;
  animation:drift1 28s ease-in-out infinite reverse;opacity:.36;}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(50px,40px) scale(1.12);}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-60px,50px) scale(1.1);}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(40px,-50px) scale(1.14);}}

.page-hero-inner{position:relative;z-index:2;text-align:center;}

/* 面包屑 */
.crumb{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 20px;border-radius:999px;
  background:#fff;
  border:1px solid rgba(15,108,189,.14);
  box-shadow:var(--sh-xs);
  font-size:13px;font-weight:700;color:var(--text2);
  margin-bottom:24px;
}
.crumb a{display:inline-flex;transition:.25s;}
.crumb a:hover{color:var(--c-blue);}
.crumb a:not(:first-child):before {
  content: "/";
  display: block;
  color:rgba(15,108,189,.35);
  margin-right: 10px;
}
.crumb a:last-child {
  background:var(--grad-blue-teal);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:900;
}

/* 主标题与副标题 */
.page-hero h1{
  font-size:clamp(32px,4.4vw,56px);
  font-weight:900;line-height:1.15;
  letter-spacing:-1.6px;margin-bottom:22px;
}
.page-hero .sub{
  max-width:680px;margin:0 auto;
  font-size:17px;color:var(--text2);
}

/* 标签条 */
.page-hero-strip{
  display:flex;justify-content:center;gap:12px;
  margin-top:38px;flex-wrap:wrap;
}
.page-hero-strip span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:800;color:var(--text2);
  box-shadow:var(--sh-xs);
}
.page-hero-strip i{
  width:8px;height:8px;border-radius:50%;display:block;
}
.page-hero-strip span:nth-child(1) i{background:var(--c-blue);}
.page-hero-strip span:nth-child(2) i{background:var(--c-teal);}
.page-hero-strip span:nth-child(3) i{background:var(--c-yellow);}
.page-hero-strip span:nth-child(4) i{background:var(--c-orange);}
.page-hero-strip span:nth-child(5) i{background:#7A4FBF;}
.page-hero-strip span:nth-child(6) i{background:var(--c-blue);}
@media (max-width:980px){
  .page-hero{padding:calc(var(--header-h) + 46px) 0 66px;}
}

@media (max-width:740px){
  .page-hero h1{letter-spacing:-1px;}
}

@media (max-width:430px){
  .page-hero-strip span{padding:7px 14px;font-size:12px;}
  .page-blobs .blob{filter:blur(60px);}
}

/* 降低动效偏好 */
@media (prefers-reduced-motion:reduce){
  .page-blobs .blob{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
  }
}

/* ============================================================
   PART 1 · 触发器：.qr-link
   任意元素加 class="qr-link" 即可触发全局浮层
   ============================================================ */
.qr-link{
  cursor:pointer;
  position:relative;
  -webkit-tap-highlight-color:transparent;
}

/* 可选：链接后加脉冲小圆点作为扫码提示 */
.qr-link--dot::after{
  content:"";
  display:inline-block;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-teal);
  margin-left:6px;
  vertical-align:middle;
  box-shadow:0 0 0 3px rgba(0,184,169,.16);
  animation:qrPulse 2s ease-in-out infinite;
}
@keyframes qrPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(0,184,169,.16);}
  50%{box-shadow:0 0 0 6px rgba(0,184,169,.05);}
}

/* 键盘聚焦 */
.qr-link:focus-visible{
  outline:2px solid var(--c-teal);
  outline-offset:3px;
  border-radius:6px;
}

/* ============================================================
   PART 2 · 触发器视觉变体：图标按钮
   用于 Header、CTA 等需要图标入口的位置
   用法：<a class="qr-link qr-icon-btn">…</a>
   ============================================================ */
.qr-icon-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:0;
  color:var(--c-blue);
  transition:.3s var(--ease);
  text-decoration:none;
}

.qr-icon-btn .qr-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(15,108,189,.08);
  transition:all .3s var(--ease);
  flex-shrink:0;
}
.qr-icon-btn .qr-icon svg{
  width:22px;height:22px;
  stroke:currentColor;
  transition:.3s var(--ease);
}
.qr-icon-btn .qr-icon-text{
  display:none;
  font-size:14px;font-weight:800;
  color:currentColor;
  white-space:nowrap;
}

/* 悬停 / 打开状态 */
.qr-icon-btn:hover,
.qr-icon-btn.active{color:#fff;}
.qr-icon-btn:hover .qr-icon,
.qr-icon-btn.active .qr-icon{
  background:var(--grad-main);
  box-shadow:0 8px 22px rgba(15,108,189,.26);
}

/* 带文字的图标按钮 */
.qr-icon-btn--with-text .qr-icon-text{display:inline-block;}

/* 紧凑尺寸 */
.qr-icon-btn--compact .qr-icon{width:38px;height:38px;border-radius:10px;}
.qr-icon-btn--compact .qr-icon svg{width:19px;height:19px;}

/* ============================================================
   PART 3 · 全局单例浮层
   页面中只放一份，位置由 JS 动态计算
   ============================================================ */
.qr-global-popup{
  position:fixed;
  top:0;left:0;
  z-index:9999;
  width:220px;
  max-width:calc(100vw - 32px);
  background:#fff;
  border-radius:16px;
  padding:16px;
  border:1px solid var(--line);
  box-shadow:0 20px 50px rgba(15,108,189,.24);

  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  pointer-events:none;
  transition:opacity .25s var(--ease),
             visibility .25s var(--ease),
             transform .25s var(--ease);

  color:var(--text);
  text-align:left;
}
.qr-global-popup.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
  pointer-events:auto;
}

/* 顶部小三角：默认朝上（浮层在链接下方） */
.qr-global-popup::before{
  content:"";position:absolute;
  top:-6px;left:50%;margin-left:-6px;
  width:12px;height:12px;
  background:#fff;
  border-left:1px solid var(--line);
  border-top:1px solid var(--line);
  transform:rotate(45deg);
  border-radius:2px 0 0 0;
}
/* 翻转：浮层在链接上方时小三角朝下 */
.qr-global-popup.place-top::before{
  top:auto;bottom:-6px;
  border-left:none;border-top:none;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  border-radius:0 0 2px 0;
}

/* 内部结构 */
.qr-global-popup .qr-popup-img{
  width:100%;
  aspect-ratio:1 / 1;
  border-radius:10px;
  overflow:hidden;
  background:#F5F9FD;
}
.qr-global-popup .qr-popup-img img{
  width:100%;height:100%;
  object-fit:contain;display:block;
}
.qr-global-popup b{
  display:block;
  text-align:center;
  font-size:13.5px;
  font-weight:900;
  color:var(--text);
  margin-top:12px;
  line-height:1.5;
}
.qr-global-popup span{
  display:block;
  text-align:center;
  font-size:12px;
  color:var(--text2);
  margin-top:4px;
  line-height:1.6;
}

/* ============================================================
   PART 4 · 移动端遮罩
   ============================================================ */
.qr-mask{
  position:fixed;inset:0;
  background:rgba(6,24,46,.45);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  z-index:9998;
  opacity:0;
  visibility:hidden;
  transition:all .28s var(--ease);
}
.qr-mask.show{
  opacity:1;
  visibility:visible;
}

/* ============================================================
   PART 5 · 移动端适配：浮层屏幕居中
   ============================================================ */
@media (max-width:980px){
  .qr-global-popup{
    width:240px;
    left:50% !important;
    top:50% !important;
    transform:translate(-50%,-50%) scale(.94);
  }
  .qr-global-popup.show{
    transform:translate(-50%,-50%) scale(1);
  }
  .qr-global-popup::before{display:none;}

  /* 移动端 Header 的图标按钮缩小一点 */
  .qr-icon-btn .qr-icon{width:38px;height:38px;}
  .qr-icon-btn .qr-icon svg{width:19px;height:19px;}
}
/* ---------- 8. CTA ---------- */
.cta-section{padding:0 0 104px;}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:30px;padding:74px 64px;
  background:var(--grad-main);background-size:200% 100%;
  box-shadow:0 32px 74px rgba(15,108,189,.3);
  display:flex;align-items:center;justify-content:space-between;gap:44px;
  animation:gradShift 10s ease-in-out infinite;
}
.cta-box::before{
  content:"";position:absolute;top:-140px;right:-70px;
  width:460px;height:460px;border-radius:50%;
  background:rgba(255,255,255,.13);
}
.cta-box::after{
  content:"";position:absolute;bottom:-180px;left:16%;
  width:400px;height:400px;border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-text{position:relative;z-index:2;}
.cta-text h2{
  font-size:clamp(25px,3.1vw,38px);font-weight:900;
  color:#fff;line-height:1.28;letter-spacing:-.8px;margin-bottom:14px;
}
.cta-text p{color:rgba(255,255,255,.9);font-size:16px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
@media (max-width:980px){
  .cta-box{flex-direction:column;text-align:center;padding:58px 34px;}
  .cta-actions{justify-content:center;}
}
@media (max-width:740px){
  .cta-section{padding-bottom:76px;}
}