/* UI Beautification */
*{box-sizing:border-box}
body{margin:0;padding:0;font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:#f8fafc;color:#334155;line-height:1.5}
.container{max-width:420px;margin:0 auto;background:#fff;min-height:100vh}
.header{background:#fff;border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:100}
.header .logo{font-size:18px;font-weight:700;color:#1e293b}
.header .search-box{display:flex;gap:8px;align-items:center}
.header .header-content{display:flex;align-items:center;justify-content:space-between;padding:12px 14px}
.search-box input{flex:1;padding:8px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px}
.search-box button{padding:8px 12px;background:#3840a1;color:#fff;border:none;border-radius:8px}

/* Banner Stack Carousel */
.banner-container{position:relative;overflow:hidden;margin:12px 12px 20px;height:200px;perspective:1000px}
.banner-list{position:relative;width:100%;height:100%}
.banner-item{position:absolute;width:90%;height:180px;left:50%;top:50%;transform:translate(-50%, -50%) scale(0.9);border-radius:16px;overflow:hidden;transition:all 0.6s cubic-bezier(0.4, 0, 0.2, 1);box-shadow:0 10px 30px rgba(0,0,0,.15);opacity:0.7;z-index:1}
.banner-item.active{transform:translate(-50%, -50%) scale(1);opacity:1;z-index:3;box-shadow:0 20px 40px rgba(0,0,0,.2)}
.banner-item.next{transform:translate(-30%, -50%) scale(0.95);z-index:2;opacity:0.8}
.banner-item.prev{transform:translate(-70%, -50%) scale(0.95);z-index:2;opacity:0.8}
.banner-item img{width:100%;height:100%;object-fit:cover;display:block}
.banner-caption{position:absolute;left:16px;bottom:16px;background:rgba(0,0,0,.7);color:#fff;padding:8px 12px;border-radius:8px;font-size:14px;max-width:calc(100% - 120px);backdrop-filter:blur(4px)}
.banner-dots{position:absolute;bottom:16px;right:16px;display:flex;gap:8px;z-index:10}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.6);cursor:pointer;transition:all .3s;border:2px solid rgba(255,255,255,.3)}
.dot.active{background:#fff;box-shadow:0 0 8px rgba(255,255,255,.8)}

h3{font-size:16px;font-weight:600;color:#1e293b;margin:20px 16px 12px;padding:0}
.product-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:0 16px 100px}
.product-item{background:#fff;border-radius:12px;padding:12px;text-align:center;transition:transform .2s,box-shadow .2s;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.product-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.product-item img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;margin-bottom:8px}
.product-item h4{margin:0 0 4px;font-size:14px;font-weight:600;color:#1e293b}
.product-item .price{color:#059669;font-weight:600;font-size:13px}
.product-item .stock{color:#6b7280;font-size:12px;margin-top:4px}

.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;width:92%;display:flex;justify-content:space-around;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);padding:10px;border-radius:16px;border:1px solid #eef1f6;z-index:10;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.nav-item{display:flex;flex-direction:column;align-items:center;color:#2b2f36;text-decoration:none;font-weight:600}
.nav-item.active{color:#3840a1}
.nav-item .nav-icon{font-size:20px;margin-bottom:4px}
.nav-item span:last-child{font-size:11px}

/* Profile Page Styles */
.profile-container{padding:0 16px 100px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh}
.user-info{background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border-radius:20px;padding:24px;text-align:center;margin:20px 0;box-shadow:0 8px 32px rgba(0,0,0,0.1);border:1px solid rgba(255,255,255,0.2)}
.user-info .avatar{width:80px;height:80px;border-radius:50%;background:#ddd;margin:0 auto 16px;border:4px solid rgba(255,255,255,0.8);box-shadow:0 4px 16px rgba(0,0,0,0.1)}
.user-info .nickname{font-size:20px;font-weight:700;color:#1e293b;margin-bottom:8px}
.user-info .points{font-size:28px;font-weight:800;background:linear-gradient(135deg,#059669,#10b981);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:8px 0}

.profile-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}
.profile-actions .btn{background:rgba(255,255,255,0.9);color:#3840a1;border:none;padding:16px 12px;border-radius:16px;text-decoration:none;font-weight:600;transition:all 0.3s ease;box-shadow:0 4px 16px rgba(0,0,0,0.08);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.3)}
.profile-actions .btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.15);background:rgba(255,255,255,1)}

.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.stat-cards .card{background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);border-radius:16px;padding:16px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,0.08);border:1px solid rgba(255,255,255,0.3);transition:all 0.3s ease}
.stat-cards .card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.12)}
.stat-cards .card .label{font-size:12px;color:#64748b;margin-bottom:8px;font-weight:500}
.stat-cards .card div:last-child{font-size:20px;font-weight:700;color:#1e293b}

.referral-poster{background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);border-radius:20px;padding:20px;margin:20px 0;box-shadow:0 8px 32px rgba(0,0,0,0.1);border:1px solid rgba(255,255,255,0.2)}
.referral-poster h3{color:#1e293b;margin-bottom:16px;font-size:18px;font-weight:700}
.referral-poster canvas{border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,0.1);margin:12px 0}
.referral-poster .btn{background:linear-gradient(135deg,#3840a1,#5b21b6);color:#fff;border:none;padding:12px 24px;border-radius:12px;font-weight:600;transition:all 0.3s ease;box-shadow:0 4px 16px rgba(56,64,161,0.3)}
.referral-poster .btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(56,64,161,0.4)}

/* Buttons */
.btn{display:inline-block;background:#eef2ff;color:#3840a1;border:none;padding:10px 14px;border-radius:10px;text-decoration:none;transition:transform .15s, box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}
.btn.primary{background:#3840a1;color:#fff}

.product-section,.news-section{margin:16px 0px 20px}
.card{background:#fff;border-radius:12px;padding:12px;text-align:center;box-shadow:0 8px 22px rgba(15,23,42,.06)}

.product-detail{padding:14px;margin-bottom:90px}

/* Product Detail Image Swiper */
.product-images{position:relative;margin-bottom:16px}
.images-container{position:relative;overflow:hidden;border-radius:12px;box-shadow:0 8px 22px rgba(15,23,42,.06)}
.images-list{display:flex;transition:transform 0.3s ease}
.images-list img{width:100%;aspect-ratio:1;object-fit:cover;flex-shrink:0}
.images-dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.images-dot{width:8px;height:8px;border-radius:50%;background:#d1d5db;cursor:pointer;transition:all 0.2s}
.images-dot.active{background:#3840a1;transform:scale(1.2)}

/* News Swiper */
.news-swiper{position:relative;overflow:hidden;margin:0 16px 20px;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.news-list{display:flex;flex-direction:column;transition:transform 0.4s ease}
.news-card{background:#fff;min-width:100%;padding:14px;cursor:pointer;transition:background .2s;flex-shrink:0}
.news-card:hover{background:#f8fafc}
.news-card h4{margin:0 0 6px;font-size:15px;font-weight:600;color:#1e293b}
.news-card p{margin:0;color:#64748b;font-size:13px;line-height:1.4}
/* 移除新闻圆点指示器 */

.product-detail-section{background:#fff;border-radius:12px;padding:12px;margin:12px 0px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.product-detail .section-title{margin:0 0 8px 0;font-size:15px;font-weight:700;color:#1e293b}
.product-content{color:#475569;font-size:14px;line-height:1.7;word-break:break-all}
.detail-images{display:flex;flex-direction:column;gap:8px}
.detail-images img{width:100%;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.08);object-fit:cover}

/* Auth Pages Styles */
.auth-container{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:20px;position:relative;overflow:hidden}
.auth-container::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;pointer-events:none}
.auth-container h2{color:#ffffff;font-size:28px;font-weight:700;margin-bottom:32px;text-align:center;text-shadow:0 2px 4px rgba(0,0,0,0.1);letter-spacing:-0.5px}
.auth-container form{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);border-radius:20px;padding:32px;box-shadow:0 20px 40px rgba(0,0,0,0.1);border:1px solid rgba(255,255,255,0.2);width:100%;max-width:400px;transition:all 0.3s ease;position:relative;z-index:2}
.auth-container form:hover{transform:translateY(-2px);box-shadow:0 25px 50px rgba(0,0,0,0.15)}
.auth-container input{width:100%;padding:16px 20px;margin-bottom:20px;border:2px solid rgba(255,255,255,0.3);border-radius:12px;font-size:16px;background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);transition:all 0.3s ease;box-sizing:border-box}
.auth-container input:focus{outline:none;border-color:#667eea;background:rgba(255,255,255,1);box-shadow:0 0 0 4px rgba(102,126,234,0.1);transform:translateY(-1px)}
.auth-container input::placeholder{color:#94a3b8;font-weight:500}
.auth-container .btn{width:100%;padding:16px;font-size:16px;font-weight:600;border-radius:12px;border:none;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;cursor:pointer;transition:all 0.3s ease;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:20px;box-shadow:0 8px 20px rgba(102,126,234,0.3)}
.auth-container .btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(102,126,234,0.4);background:linear-gradient(135deg,#5a67d8 0%,#6b46c1 100%)}
.auth-container .btn:active{transform:translateY(0);box-shadow:0 6px 15px rgba(102,126,234,0.3)}
.auth-container .error{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.3);color:#dc2626;padding:12px 16px;border-radius:10px;margin-bottom:20px;font-size:14px;font-weight:500;text-align:center;backdrop-filter:blur(10px)}
.auth-container .success{background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.3);color:#16a34a;padding:12px 16px;border-radius:10px;margin-bottom:20px;font-size:14px;font-weight:500;text-align:center;backdrop-filter:blur(10px)}
.auth-container .switch{text-align:center;color:rgba(255,255,255,0.9);font-size:14px;margin-top:20px;font-weight:500}
.auth-container .switch a{color:#ffffff;text-decoration:none;font-weight:600;border-bottom:2px solid transparent;transition:all 0.3s ease;padding-bottom:2px}
.auth-container .switch a:hover{border-bottom-color:#ffffff;text-shadow:0 0 8px rgba(255,255,255,0.5)}

/* Floating Particles Animation */
.auth-container .floating-particles{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}
.auth-container .particle{position:absolute;background:rgba(255,255,255,0.1);border-radius:50%;animation:float 6s ease-in-out infinite}
.auth-container .particle:nth-child(1){width:4px;height:4px;top:20%;left:10%;animation-delay:0s}
.auth-container .particle:nth-child(2){width:6px;height:6px;top:60%;left:80%;animation-delay:2s}
.auth-container .particle:nth-child(3){width:3px;height:3px;top:80%;left:20%;animation-delay:4s}
.auth-container .particle:nth-child(4){width:5px;height:5px;top:30%;left:70%;animation-delay:1s}
.auth-container .particle:nth-child(5){width:4px;height:4px;top:70%;left:50%;animation-delay:3s}
@keyframes float{0%,100%{transform:translateY(0) rotate(0);opacity:.7}50%{transform:translateY(-20px) rotate(180deg);opacity:1}}

/* Enhanced Form Styling */
.auth-container .input-group{position:relative;margin-bottom:24px}
.auth-container .input-group input{margin-bottom:0;padding-left:50px}
.auth-container .input-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#94a3b8;font-size:18px;transition:all 0.3s ease;z-index:1}
.auth-container .input-group input:focus + .input-icon{color:#667eea;transform:translateY(-50%) scale(1.1)}

/* Loading Animation for Button */
.auth-container .btn.loading{position:relative;color:transparent}
.auth-container .btn.loading::after{content:'';position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid rgba(255,255,255,0.3);border-top:2px solid #ffffff;border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}

/* Responsive Design for Auth Pages */
@media (max-width:480px){
  .auth-container{padding:16px}
  .auth-container form{padding:24px;margin:0 8px}
  .auth-container h2{font-size:24px;margin-bottom:24px}
  .auth-container input{padding:14px 16px;font-size:15px}
  .auth-container .input-group input{padding-left:45px}
  .auth-container .input-icon{left:14px;font-size:16px}
  .auth-container .btn{padding:14px;font-size:15px}
}

/* OAuth 登录区域 */
.oauth-login{margin-top:20px;text-align:center;background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);border-radius:20px;padding:24px;box-shadow:0 20px 40px rgba(0,0,0,0.1);border:1px solid rgba(255,255,255,0.2);width:100%;max-width:400px}
.oauth-login .divider{position:relative;margin:20px 0;color:#999;font-size:14px;font-weight:500}
.oauth-login .divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#e0e0e0 20%,#e0e0e0 80%,transparent);z-index:1}
.oauth-login .divider span{background:rgba(255,255,255,0.95);padding:0 15px;position:relative;z-index:2}

/* 微信登录按钮 */
.btn-wechat{background:linear-gradient(135deg,#1aad19,#00b51d)!important;color:#fff!important;border:none!important;display:flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;width:100%;padding:16px;border-radius:12px;font-size:16px;font-weight:600;transition:all 0.3s ease;box-shadow:0 8px 20px rgba(26,173,25,0.3);text-transform:none;letter-spacing:normal}
.btn-wechat:hover{background:linear-gradient(135deg,#179b16,#009a1a)!important;transform:translateY(-2px);box-shadow:0 12px 30px rgba(26,173,25,0.4)}
.btn-wechat .wechat-icon{font-size:18px}