:root{
  --maxw: 1120px;
  --border: rgba(229,231,235,.9);
  --shadow: 0 18px 45px rgba(0,0,0,.18);
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary2: #1d4ed8;
}

*{box-sizing:border-box; margin:0; padding:0;}
html,body{height:100%;}
body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif; color:var(--text); background:#0b1120;}
a{text-decoration:none; color:inherit;}
ul{list-style:none;}
img{display:block; max-width:100%;}

.container{max-width:var(--maxw); margin:0 auto; padding:0 16px;}

/* ===== 顶部导航覆盖 ===== */
.header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: transparent;
  border-bottom: none;
}
.header-overlay{
  background: transparent;
}
.nav{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.logo{
  font-weight:800;
  letter-spacing:.04em;
  color:#fff;
}
.nav-list{
  display:flex;
  gap:14px;
  font-size:14px;
  align-items:center;
}
.nav-list a{
  color: rgba(255,255,255,.88);
  padding: 6px 10px;
  border-radius: 999px;
}
.nav-list a.active{
  background: rgba(255,255,255,.14);
  color:#fff;
}

/* ===== 全屏轮播通用 ===== */
.hero-carousel{
  position: relative;
  width:100%;
  height: 100vh;
  overflow:hidden;
  background:#020617;
}
.hero-slide{
  position:absolute;
  inset:0;
  opacity:0;
  pointer-events:none;
  transition: opacity .9s ease;
}
.hero-slide.active{
  opacity:1;
  pointer-events:auto;
}
.hero-media{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* 叠加层：左侧渐变，保证文字可读 */
.hero-overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
  padding: 0 8vw;
  color:#fff;
  background: linear-gradient(
    to right,
    rgba(2,6,23,.82),
    rgba(2,6,23,.36),
    rgba(2,6,23,.06)
  );
}
.hero-overlay--left{background: linear-gradient(to right, rgba(2,6,23,.82), rgba(2,6,23,.25), rgba(2,6,23,.02));}

.hero-title{
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
}
.hero-title--sm{
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
}
.hero-subtitle{
  max-width: 560px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255,255,255,.88);
  margin-bottom: 18px;
}

.hero-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.hero-btn{
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 13px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: .2s ease;
}
.hero-btn.primary{
  background: linear-gradient(135deg, #f97316, #ea580c);
  color:#fff;
  box-shadow: 0 16px 40px rgba(249,115,22,.35);
}
.hero-btn.primary:hover{transform: translateY(-1px);}
.hero-btn.ghost{
  background: rgba(255,255,255,.10);
  color:#fff;
  border-color: rgba(255,255,255,.30);
}
.hero-btn.ghost:hover{background: rgba(255,255,255,.18);}

/* 箭头 */
.hero-arrow{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border:none;
  cursor:pointer;
  background: rgba(2,6,23,.55);
  color:#fff;
  font-size: 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index: 10;
  transition:.2s ease;
}
.hero-arrow:hover{background: rgba(2,6,23,.82);}
.hero-arrow.prev{left: 18px;}
.hero-arrow.next{right: 18px;}

/* dots */
.hero-dots{
  position:absolute;
  left:50%;
  bottom: 22px;
  transform: translateX(-50%);
  display:flex;
  gap:10px;
  z-index: 10;
}
.hero-dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border:none;
  cursor:pointer;
  background: rgba(148,163,184,.70);
  transition:.2s ease;
}
.hero-dot.active{
  width: 18px;
  background: #2563eb;
}

/* ===== 内容区通用 section ===== */
.section{
  padding: 46px 0;
  background: #f8fafc;
  color: #0f172a;
}
.section-alt{background:#ffffff;}

.section-head{
  margin-bottom: 18px;
}
.section-title{
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}
.section-desc{
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 820px;
}

/* ===== 社交卡片 ===== */
.social-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
@media (max-width: 960px){
  .social-grid{grid-template-columns: repeat(2, minmax(0, 1fr));}
}
@media (max-width: 640px){
  .social-grid{grid-template-columns: 1fr;}
}

.social-card{
  border-radius: 16px;
  overflow:hidden;
  border: 1px solid var(--border);
  background:#fff;
  box-shadow: 0 10px 26px rgba(15,23,42,.08);
  transition: transform .18s ease, box-shadow .18s ease;
}
.social-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(15,23,42,.12);
}
.social-card img{
  width:100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.social-card-body{
  padding: 12px 12px 14px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.social-pill{
  display:inline-flex;
  width: fit-content;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  background:#fee2e2;
  color:#b91c1c;
}
.social-pill--dy{
  background:#e0f2fe;
  color:#075985;
}
.social-title{
  font-weight: 800;
  font-size: 14px;
  line-height: 1.4;
}
.social-sub{
  font-size: 12px;
  color: var(--muted);
}

/* ===== 页脚关于我们 ===== */
.footer{
  background:#0b1120;
  color:#e5e7eb;
  padding: 42px 0 16px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 18px;
  align-items:start;
}
@media (max-width: 960px){
  .footer-grid{grid-template-columns: 1fr; }
}
.footer-brand{
  font-weight: 900;
  font-size: 16px;
  margin-bottom: 6px;
}
.footer-muted{
  color: rgba(229,231,235,.75);
  font-size: 12px;
  line-height: 1.7;
  margin-bottom: 12px;
}
.footer-line{
  font-size: 13px;
  margin: 8px 0;
  color: rgba(229,231,235,.92);
}
.footer-line span:first-child{
  color: rgba(229,231,235,.72);
  margin-right: 6px;
}
.footer-title{
  font-weight: 800;
  margin-bottom: 10px;
}
.footer-list{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size: 13px;
  color: rgba(229,231,235,.80);
  line-height: 1.7;
}

.qr-row{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}
.qr-card{
  width: 110px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 10px;
}
.qr-card img{
  width:100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 10px;
}
.qr-label{
  margin-top: 6px;
  font-size: 12px;
  color: rgba(229,231,235,.85);
  text-align:center;
}
.footer-bottom{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.10);
  text-align:center;
  font-size: 12px;
  color: rgba(229,231,235,.65);
}

/* ===== 全屏播放器 ===== */
.fs-player{
  position: fixed;
  inset:0;
  z-index: 9999;
  background: rgba(0,0,0,.86);
  backdrop-filter: blur(6px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 16px;
}
.fs-player.hidden{display:none;}

.fs-player-content{
  width: min(1100px, 92vw);
  position: relative;
}
#fsVideo{
  width:100%;
  border-radius: 14px;
  background:#000;
  box-shadow: 0 26px 60px rgba(0,0,0,.55);
}
.fs-close{
  position:absolute;
  top: -14px;
  right: -14px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border:none;
  cursor:pointer;
  color:#fff;
  font-size: 22px;
  background: rgba(255,255,255,.22);
}
.fs-close:hover{background: rgba(255,255,255,.36);}

/* 移动端：箭头隐藏，文案贴底 */
@media (max-width: 768px){
  .hero-overlay{
    padding: 0 16px 32px;
    justify-content: flex-end;
    background: linear-gradient(to top, rgba(2,6,23,.86), rgba(2,6,23,0));
  }
  .hero-arrow{display:none;}
}

/* =========================================
   🚀 核心布局：确保上下堆叠
   ========================================= */
#secureWorkspace{
  display:flex;
  flex-direction:column;
  gap:40px;              /* 两个大框之间距离 */
  max-width:900px;
  margin:40px auto;
  padding:0 20px;
}

/* 🏆 通用大框（你现在的卡片类是 glass-card flow-module） */
#secureWorkspace .glass-card.flow-module{
  width:100%;
  position:relative;
  background:rgba(255,255,255,.7);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-radius:28px;
  padding:40px;
  border:1px solid rgba(255,255,255,.55);
  box-shadow:0 10px 30px rgba(0,0,0,.06);
  transition:all .4s cubic-bezier(.165,.84,.44,1);
  overflow:hidden;       /* 让顶部色条更干净 */
}

/* 用 ::before 做顶部色条（不依赖 border-top，兼容你原有样式） */
#secureWorkspace .glass-card.flow-module::before{
  content:"";
  position:absolute;
  left:0; top:0;
  width:100%;
  height:8px;
  background:#0071e3;    /* 默认蓝（Step01） */
}

/* Step01 悬浮 */
#secureWorkspace .glass-card.flow-module:hover{
  transform:translateY(-5px);
  box-shadow:0 20px 50px rgba(0,113,227,.15);
}

/* Step02：你已经有 highlight-orange 类，直接精准命中 */
#secureWorkspace .glass-card.flow-module.highlight-orange::before{
  background:#ff9f43;
}
#secureWorkspace .glass-card.flow-module.highlight-orange:hover{
  box-shadow:0 20px 50px rgba(255,159,67,.15);
}

/* 📁 内部上传区：你用的是 upload-zone-mini */
#secureWorkspace .upload-zone-mini{
  width:100%;
  padding:50px 30px;
  border:2px dashed rgba(0,0,0,.12);
  border-radius:20px;
  background:rgba(255,255,255,.35);
  text-align:center;
  transition:.25s ease;
}

/* 拖拽/hover 强化（可选） */
#secureWorkspace .upload-zone-mini:hover{
  border-color: rgba(0,0,0,.18);
  background: rgba(255,255,255,.45);
}

/* OR 分割线也顺便高级一点（可选） */
#secureWorkspace .flow-divider{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  color:#94a3b8;
  font-size:12px;
}
#secureWorkspace .flow-divider::before,
#secureWorkspace .flow-divider::after{
  content:"";
  flex:1;
  height:1px;
  background:rgba(148,163,184,.35);
}
#secureWorkspace .flow-divider span{
  padding:4px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.6);
  border:1px solid rgba(255,255,255,.7);
  backdrop-filter:blur(10px);
}

/* 移动端 */
@media (max-width:768px){
  #secureWorkspace{ gap:24px; padding:0 14px; margin:24px auto; }
  #secureWorkspace .glass-card.flow-module{ padding:26px 18px; border-radius:22px; }
  #secureWorkspace .upload-zone-mini{ padding:32px 18px; border-radius:16px; }
}


/* 🚀 主行动按钮：交付链接 */
.btn-deliver{
  padding:14px 28px;
  font-size:16px;
  font-weight:600;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  gap:10px;

  background:linear-gradient(
    135deg,
    #2563eb,
    #0071e3
  );
  color:#fff !important;

  border:none;
  box-shadow:
    0 10px 24px rgba(37,99,235,.35),
    inset 0 1px 0 rgba(255,255,255,.35);

  transition:all .25s ease;
}

/* Hover：明显“可交付”反馈 */
.btn-deliver:hover{
  transform:translateY(-2px);
  box-shadow:
    0 16px 36px rgba(37,99,235,.45),
    inset 0 1px 0 rgba(255,255,255,.45);
}

/* 点击反馈 */
.btn-deliver:active{
  transform:translateY(0);
  box-shadow:
    0 8px 18px rgba(37,99,235,.35);
}


/* 次级按钮 */
.btn-secondary{
  padding:10px 18px;
  font-size:14px;
  border-radius:999px;

  background:rgba(255,255,255,.6);
  color:#111827;

  border:1px solid rgba(0,0,0,.08);
  box-shadow:0 6px 14px rgba(0,0,0,.06);
}

.btn-secondary:hover{
  background:rgba(255,255,255,.8);
}