:root{--primary:#FF6B2C;--bg:#F5F1E8;--card:#FFFFFF;--text:#16161A;--muted:#6E6A61;--muted2:#8A8578;--border:#E4DECF;--err:#D6453D;--ok:#2F7D43;--wx:#07C160;--soft:#FFF6EA}
*{box-sizing:border-box}
.hidden{display:none}
body{margin:0;font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
header{background:var(--card);border-bottom:1px solid var(--border);padding:13px 22px;display:flex;justify-content:space-between;align-items:center;gap:16px}
header .right{font-size:14px;color:var(--muted2);display:flex;gap:14px;align-items:center;white-space:nowrap}
header a{color:var(--text);text-decoration:none;cursor:pointer}
.back-btn{border:none;background:none;padding:6px 10px 6px 4px;font-size:15px;color:var(--text);cursor:pointer;font-family:inherit;white-space:nowrap;line-height:1}
.back-btn:active{opacity:.6}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:17px;white-space:nowrap}
.brand .logo-img{width:30px;height:27px;flex:none;display:block}
.brand .brand-sub{font-size:10px;letter-spacing:.3em;color:var(--muted2);font-weight:600}
main{max-width:640px;margin:0 auto;padding:20px 14px 60px}
h2{font-size:19px;margin:8px 0 14px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:18px}
.btn{padding:11px 20px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-weight:600;font-size:15px;cursor:pointer}
.btn[disabled]{background:#CCC;cursor:default}
.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn.wx{background:var(--wx)}
.btn-row{display:flex;gap:10px}
.btn-row .btn{flex:1;text-align:center;text-decoration:none}
.hint{font-size:12px;color:var(--muted2);line-height:1.7}
.msg{font-size:14px;margin-top:10px;min-height:1em;white-space:pre-line;line-height:1.7}
.msg.err{color:var(--err)}
.msg.ok{color:var(--ok)}
.note{font-size:13px;color:var(--muted);background:#FBF9F4;border:1px solid var(--border);border-radius:10px;padding:10px 14px;line-height:1.7}
.back-bar{display:flex;align-items:center;gap:10px;background:var(--card);border-bottom:1px solid var(--border);padding:12px 16px;position:sticky;top:0;z-index:10}
.back-bar a{color:var(--primary);text-decoration:none;font-size:15px;white-space:nowrap}
.back-bar .bb-title{flex:1;text-align:center;font-size:16px;font-weight:700}
.back-bar .bb-right{width:56px}

/* ---- 积分页 ---- */
.balance-card{background:linear-gradient(135deg,#FF6B2C,#FF9A5C);border-radius:16px;padding:30px 20px 24px;text-align:center;color:#fff;margin-bottom:16px}
.balance-label{font-size:13px;opacity:.85;display:block;margin-bottom:8px}
.balance-num{font-size:46px;font-weight:700;display:block;margin-bottom:20px}
.balance-detail{display:flex;justify-content:space-around}
.detail-item{display:flex;flex-direction:column;gap:2px}
.detail-num{font-size:18px;font-weight:700}
.detail-label{font-size:12px;opacity:.75}
.section-title{font-size:16px;font-weight:700;display:block;margin:2px 0 14px}
/* 积分页「绑定微信领积分」引导条：display:flex 会盖过通用 .hidden，显式覆盖 */
.wx-bind-tip{display:flex;align-items:center;gap:10px;background:#FFF6EA;border:1px solid #FFD9B8;border-radius:12px;padding:12px 14px;margin-bottom:16px;font-size:13px;color:var(--text)}
.wx-bind-tip.hidden{display:none !important}
.wx-bind-tip .wx-bind-tip-txt{flex:1;min-width:0;line-height:1.6}
.wx-bind-tip b{color:var(--primary)}
.wx-bind-tip button{flex:none;border:none;background:var(--primary);color:#fff;border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer}
.amount-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:14px}
.amount-item{background:var(--bg);border:2px solid transparent;border-radius:12px;padding:16px;text-align:center;cursor:pointer}
.amount-item.active{border-color:var(--primary);background:var(--soft)}
.amount-value{font-size:20px;font-weight:700;display:block;margin-bottom:4px}
.amount-credit{font-size:12px;color:var(--primary)}
.custom-box{display:flex;align-items:center;gap:12px;background:var(--bg);border:2px solid transparent;border-radius:12px;padding:12px 14px;margin-bottom:16px}
.custom-box.active{border-color:var(--primary);background:var(--soft)}
.custom-label{font-size:14px;font-weight:600;white-space:nowrap}
.custom-input-wrap{flex:1;display:flex;align-items:center;background:#fff;border-radius:8px;padding:6px 10px;border:1px solid var(--border)}
.custom-unit{color:var(--muted);margin-right:4px}
.custom-input{flex:1;border:none;outline:none;font-size:15px;min-width:0;background:transparent;color:var(--text)}
.custom-credit{font-size:12px;color:var(--primary);white-space:nowrap}
.btn-recharge{width:100%;padding:14px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:700;cursor:pointer}
.btn-recharge[disabled]{background:#CCC}
.refund-box{margin-top:16px;text-align:center}
.refund-text{font-size:13px;color:#B45309;text-decoration:underline;cursor:pointer}
.refund-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:99;padding:24px}
.refund-mask.hidden{display:none}
.refund-panel{background:#fff;border-radius:16px;padding:24px 20px;width:100%;max-width:420px}
.refund-title{font-size:17px;font-weight:700;display:block;margin-bottom:12px}
.refund-desc{font-size:14px;display:block;line-height:1.7;margin-bottom:10px}
.refund-note{font-size:12px;color:var(--muted);display:block;line-height:1.7;margin-bottom:20px}
.refund-actions{display:flex;gap:12px}
.refund-btn{flex:1;text-align:center;padding:12px 0;border-radius:999px;font-size:14px;cursor:pointer;border:none}
.refund-btn.cancel{background:var(--bg);color:var(--muted)}
.refund-btn.ok{background:#B45309;color:#fff;font-weight:600}
.record-item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 2px;border-bottom:1px dashed var(--border)}
.record-item:last-child{border-bottom:none}
.record-main{min-width:0}
.record-desc{font-size:14px;line-height:1.5}
.record-time{font-size:12px;color:var(--muted2);margin-top:2px}
.record-amount{font-size:15px;font-weight:700;white-space:nowrap}
.record-amount.plus{color:var(--ok)}
.record-amount.minus{color:var(--text)}
.record-empty{text-align:center;color:var(--muted2);font-size:13px;padding:24px 0}

/* ---- 会员页 ---- */
.benefit-card{position:relative;border-radius:16px;overflow:hidden;background:linear-gradient(150deg,#2B2118,#4A3926);color:#F5E9D5;padding:26px 20px;margin-bottom:16px}
.card-title{font-size:19px;font-weight:700;display:block;margin-bottom:6px}
.card-subtitle{font-size:13px;opacity:.8;display:block;margin-bottom:18px}
.card-footer{display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.upgrade-mini-btn{background:linear-gradient(150deg,#FF6B2C,#FF9A5C);color:#fff;font-size:14px;font-weight:700;padding:10px 22px;border-radius:999px;cursor:pointer}
.price-wrap{text-align:right}
.price-num{font-size:30px;font-weight:800}
.price-unit{font-size:13px}
.price-period{font-size:12px;opacity:.75}
.price-original{font-size:12px;opacity:.6;text-decoration:line-through;margin-left:6px}
.section-title-wrap{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px}
.section-title-wrap .dot{width:5px;height:5px;border-radius:50%;background:var(--primary)}
.section-title-wrap .section-title{margin:0;font-size:15px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 8px}
.feature-item{display:flex;flex-direction:column;align-items:center;gap:6px}
.feature-icon{width:42px;height:42px;border-radius:12px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:20px}
.feature-label{font-size:11px;color:var(--muted);text-align:center;line-height:1.4}
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.plan-card{position:relative;background:var(--bg);border:2px solid transparent;border-radius:14px;padding:18px 14px;text-align:center;cursor:pointer}
.plan-card.active{border-color:var(--primary);background:var(--soft)}
.plan-badge{position:absolute;top:-2px;right:-2px;font-size:10px;color:#fff;background:#FF6B2C;padding:2px 8px;border-radius:0 12px 0 10px}
.plan-name{font-size:14px;font-weight:700;display:block;margin-bottom:8px}
.plan-price{color:var(--primary)}
.price-symbol{font-size:14px;font-weight:700}
.price-value{font-size:26px;font-weight:800}
.plan-original{display:block;font-size:12px;color:var(--muted2);text-decoration:line-through;margin-top:4px}
.pay-summary{display:flex;justify-content:space-between;align-items:center;background:var(--bg);border-radius:12px;padding:14px 16px;margin-bottom:12px}
.pay-plan{font-size:15px;font-weight:700;display:block}
.pay-duration{font-size:12px;color:var(--muted);margin-top:2px;display:block}
.pay-summary-right{color:var(--primary)}
.pay-symbol{font-size:14px;font-weight:700}
.pay-amount{font-size:26px;font-weight:800}
.pay-original{font-size:12px;color:var(--muted2);text-decoration:line-through;margin-left:6px}
.btn-buy{padding:14px;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:700;text-align:center;cursor:pointer}
.btn-buy.disabled{background:#CCC}
.agreement-row{display:flex;align-items:flex-start;gap:8px;margin-top:14px;font-size:12px;color:var(--muted)}
.checkbox{width:16px;height:16px;border:1.5px solid var(--muted2);border-radius:4px;flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;margin-top:1px;cursor:pointer}
.checkbox.checked{background:var(--primary);border-color:var(--primary)}
.agreement-text{line-height:1.6}
.agreement-text .link,.renew-agree .link{color:var(--primary);text-decoration:none}
.notice-title{font-size:15px;font-weight:700;display:block;margin:4px 0 10px}
.notice-item{display:block;font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:8px}
.notice-strong{color:var(--text);font-weight:600}
/* 会员状态条：仅「已是会员」时显示剩余天数。display:flex 定义在通用 .hidden
   之后，同优先级会盖过隐藏，导致非会员页面常驻一个空的橙色虚线框 —— 必须显式覆盖。 */
.vip-state{display:flex;align-items:center;gap:10px;background:var(--soft);border:1px dashed var(--primary);border-radius:12px;padding:12px 16px;margin-bottom:16px;font-size:14px}
.vip-state.hidden{display:none !important}
.vip-state b{color:var(--primary)}

/* ---- 协议 / 隐私政策页 ---- */
.legal-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px 20px;line-height:1.9}
.legal-update{font-size:13px;color:var(--muted2);display:block;margin-bottom:16px;white-space:pre-line}
.legal-section{margin-bottom:18px}
.legal-title{font-size:15px;font-weight:700;display:block;margin-bottom:6px}
.legal-body{font-size:14px;color:var(--muted);white-space:pre-line}

@media (max-width:720px){
  main{padding-bottom:calc(30px + env(safe-area-inset-bottom))}
}