/* ========= 登录页 v2 - 大图背景+半透明卡+波浪+跑马灯 ========= */
:root{
  --lg-primary:#07c160; --lg-primary-dark:#06a050;
  --lg-grad:linear-gradient(135deg,#07c160 0%,#10cfa1 100%);
  --lg-card:rgba(255,255,255,.85);
  --lg-text:#2d3436; --lg-text-2:#636e72;
}
*{margin:0;padding:0;box-sizing:border-box}
body.lg{font-family:"Microsoft YaHei","PingFang SC",-apple-system,sans-serif;min-height:100vh;display:flex;flex-direction:column;color:var(--lg-text);background:#0f3050;overflow:hidden}
/* 背景：CSS 风景渐变 + 装饰 */
.lg-bg{position:fixed;inset:0;z-index:-1;background:
  radial-gradient(ellipse 80% 60% at 80% 20%,#3ed6ff 0%,transparent 50%),
  radial-gradient(ellipse 60% 50% at 10% 30%,#a29bfe 0%,transparent 50%),
  linear-gradient(180deg,#0f3050 0%,#1a4a7e 30%,#2a73a8 60%,#3ed6ff 100%);
  overflow:hidden}
.lg-bg::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 70% 80%,rgba(255,255,255,.05) 0%,transparent 60%)}
.lg-bg::after{content:"";position:absolute;left:0;right:0;bottom:0;height:40%;background:
  radial-gradient(ellipse 60% 40% at 30% 100%,rgba(7,193,96,.3) 0%,transparent 70%),
  radial-gradient(ellipse 50% 30% at 70% 100%,rgba(16,207,161,.25) 0%,transparent 70%);
  filter:blur(40px)}
/* 顶部导航 */
.lg-top{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;color:#fff;position:relative;z-index:5}
.lg-top .logo{font-size:20px;font-weight:800;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.lg-top .logo::before{content:"🐼 ";font-size:22px}
.lg-top .nav{display:flex;gap:24px;font-size:14px}
.lg-top .nav a{color:rgba(255,255,255,.85);text-decoration:none;transition:.2s;padding:6px 12px;border-radius:8px}
.lg-top .nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
.lg-top .user-area{display:flex;gap:10px;align-items:center}
.lg-top .user-area a{color:#fff;text-decoration:none;padding:8px 20px;border-radius:8px;font-size:14px;font-weight:600;transition:.2s}
.lg-top .user-area .login{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(10px)}
.lg-top .user-area .login:hover{background:rgba(255,255,255,.25)}
.lg-top .user-area .register{background:var(--lg-grad);box-shadow:0 4px 14px rgba(7,193,96,.4)}
.lg-top .user-area .register:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(7,193,96,.5)}
/* 主区 */
.lg-main{flex:1;display:flex;align-items:center;justify-content:space-between;padding:40px 60px;position:relative;z-index:2;max-width:1400px;margin:0 auto;width:100%}
.lg-slogan{color:#fff;max-width:520px}
.lg-slogan h1{font-size:38px;font-weight:800;line-height:1.3;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.lg-slogan h1 em{font-style:normal;color:#07c160;-webkit-text-stroke:1px #fff;text-shadow:0 0 16px rgba(7,193,96,.5)}
.lg-slogan p{font-size:15px;color:rgba(255,255,255,.85);margin-top:14px;line-height:1.8}
.lg-slogan .scroll-down{position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);color:#fff;font-size:36px;animation:bounceDown 2s infinite}
@keyframes bounceDown{0%,100%{transform:translateX(-50%) translateY(0);opacity:.7}50%{transform:translateX(-50%) translateY(10px);opacity:1}}
/* 登录卡 */
.lg-card{width:380px;background:var(--lg-card);backdrop-filter:blur(20px);border-radius:18px;padding:36px 32px;box-shadow:0 24px 70px rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.6)}
.lg-card h2{font-size:20px;font-weight:800;text-align:center;margin-bottom:6px}
.lg-card .sub{text-align:center;font-size:13px;color:var(--lg-text-2);margin-bottom:24px}
.lg-card .form-group{margin-bottom:16px;position:relative}
.lg-card .form-group label{display:block;font-size:13px;color:var(--lg-text-2);margin-bottom:6px;font-weight:600}
.lg-card .form-group .input-icon{position:relative}
.lg-card .form-group .input-icon::before{content:attr(data-icon);position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:16px;z-index:1}
.lg-card .form-group input{width:100%;padding:12px 14px 12px 40px;border:1px solid #dde1e8;border-radius:10px;font-size:14px;outline:none;transition:.2s;background:#fff}
.lg-card .form-group input:focus{border-color:var(--lg-primary);box-shadow:0 0 0 3px rgba(7,193,96,.15)}
.lg-card .btn{display:block;width:100%;padding:13px;background:var(--lg-grad);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 6px 20px rgba(7,193,96,.35);transition:.2s}
.lg-card .btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(7,193,96,.5)}
.lg-card .btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.lg-card .extras{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:13px}
.lg-card .extras a{color:var(--lg-primary);text-decoration:none;font-weight:600}
.lg-card .extras a:hover{text-decoration:underline}
.lg-card .alt-link{text-align:center;margin-top:14px;font-size:13px;color:var(--lg-text-2)}
.lg-card .alt-link a{color:var(--lg-primary);font-weight:600;text-decoration:none}
/* SVG 波浪分隔 */
.lg-wave{position:relative;margin-top:auto;line-height:0}
.lg-wave svg{display:block;width:100%;height:90px}
/* 底部跑马灯 */
.lg-marquee{background:#fff;padding:18px 0;overflow:hidden;position:relative}
.lg-marquee .track{display:flex;gap:60px;align-items:center;animation:marquee 30s linear infinite;width:max-content}
.lg-marquee:hover .track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.lg-marquee .item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--lg-text-2);white-space:nowrap;flex-shrink:0}
.lg-marquee .item .ic{width:32px;height:32px;border-radius:50%;background:var(--lg-grad);display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;box-shadow:0 2px 8px rgba(7,193,96,.3)}
.lg-marquee .item b{color:var(--lg-text);font-weight:700}
/* 响应式 */
@media(max-width:900px){
  .lg-slogan{display:none}
  .lg-main{justify-content:center;padding:20px}
  .lg-card{width:92%;max-width:380px}
  .lg-top .nav{display:none}
}
/* ===== 手机端 H5 登录页适配 ===== */
@media(max-width:768px){
  body.lg{overflow:auto}
  .lg-top{height:52px;padding:0 14px}
  .lg-top .logo{font-size:16px}
  .lg-top .logo::before{font-size:18px}
  .lg-top .user-area .login{padding:6px 14px;font-size:13px}
  .lg-top .user-area .register{padding:6px 14px;font-size:13px}
  .lg-main{flex-direction:column;justify-content:center;padding:24px 14px;gap:24px}
  .lg-slogan{display:none}
  .lg-card{width:100%;max-width:360px;padding:26px 20px;border-radius:14px}
  .lg-card h2{font-size:18px}
  .lg-card .form-group input{padding:11px 12px 11px 36px;font-size:14px}
  .lg-card .btn{padding:12px;font-size:14px}
  .lg-wave svg{height:50px}
  .lg-marquee{padding:12px 0}
  .lg-marquee .item{font-size:12px}
  .lg-marquee .item .ic{width:26px;height:26px;font-size:13px}
}