:root{
  --ink:#13212F;--muted:#5C6B7A;--muted-2:#93A1AF;
  --canvas:#F2F5F9;--surface:#FFFFFF;--soft:#F6F8FB;
  --border:#E3E9F0;--border-2:#C9D4E0;
  --navy:#0B2037;--navy-2:#102F4D;--navy-3:#15507B;
  --accent:#2E7CF6;--accent-hover:#2164D6;--accent-soft:#E9F1FE;
  --cyan:#6FD0FF;
  --ok:#0E9F6E;--ok-soft:#E1F5EC;
  --warn:#B45309;--warn-soft:#FCF0DD;--warn-border:#F1D9B8;
  --danger:#D94A4A;--danger-soft:#FCECEC;
  --radius:16px;--radius-s:11px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--canvas);color:var(--ink);font-size:15px;line-height:1.6;-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
p{margin:0}h1,h2,h3{margin:0;font-weight:600}
button{font:inherit;cursor:pointer}
input{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.page{max-width:1080px;margin:0 auto;padding:16px 16px 32px}

/* ===== 顶部栏 ===== */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 14px;background:var(--navy);border-radius:20px 20px 0 0}
.brand{display:flex;align-items:center;gap:10px;color:#fff;min-width:0}
.mark{flex:none}
.mark svg{width:26px;height:26px;display:block}
.brand-name{font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.brand-divider{width:1px;height:14px;background:rgba(255,255,255,.22);flex:none}
.brand-sub{font-size:13px;color:rgba(255,255,255,.72);white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:10px}
.user-chip{display:inline-flex;align-items:center;gap:8px;padding:4px 12px 4px 4px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#fff;font-size:13px;white-space:nowrap}
.avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--accent));display:grid;place-items:center;font-size:13px;font-weight:600;color:#fff}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:8px 18px;border:0;border-radius:var(--radius-s);font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;transition:background-color .15s,border-color .15s}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-hover)}
.btn.small{min-height:36px;padding:6px 14px;font-size:13px;border-radius:10px}
.btn.ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.22)}
.btn.ghost:hover{background:rgba(255,255,255,.18)}
.topbar .btn{min-height:36px;padding:6px 14px;font-size:13px;border-radius:10px}
.btn.secondary{background:var(--surface);color:var(--ink);border:1px solid var(--border-2)}
.btn.secondary:hover{background:var(--soft)}

/* ===== 会员状态 Hero（紧凑） ===== */
.hero{position:relative;background:linear-gradient(150deg,var(--navy) 0%,var(--navy-2) 58%,var(--navy-3) 100%);color:#fff;padding:18px 18px 20px;border-radius:0 0 18px 18px;overflow:hidden}
.hero::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,124,246,.28),transparent 60%);top:-230px;right:-150px;pointer-events:none}
.hero-deco{position:absolute;inset:0;pointer-events:none}
.hero-deco::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1.4px);background-size:26px 26px;opacity:.4;-webkit-mask-image:linear-gradient(120deg,transparent 52%,#000 100%);mask-image:linear-gradient(120deg,transparent 52%,#000 100%)}
.ring{position:absolute;border:1px solid rgba(255,255,255,.09);border-radius:50%}
.r1{width:260px;height:260px;right:-80px;top:-100px}
.r2{width:170px;height:170px;right:-20px;top:-30px}
.hero-copy{position:relative;z-index:1}
.hero-label{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:rgba(255,255,255,.78);letter-spacing:.05em}
.dot{width:7px;height:7px;border-radius:50%;flex:none}
.dot.ok{background:var(--cyan);box-shadow:0 0 0 4px rgba(111,208,255,.22)}
.hero-title{font-size:clamp(26px,4.5vw,38px);line-height:1.25;font-weight:700;margin:8px 0 0;letter-spacing:.01em}
.hero-title b{color:var(--cyan);font-weight:800;font-variant-numeric:tabular-nums}
.hero-stat{position:relative;z-index:1;margin-top:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:10px 14px 9px}
.hs-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.hs-label{font-size:12.5px;color:rgba(255,255,255,.7)}
.hs-num{font-size:28px;font-weight:800;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.hs-num small{font-size:13px;font-weight:500;color:rgba(255,255,255,.7);margin-left:2px}
.hc-track{height:6px;border-radius:999px;background:rgba(255,255,255,.16);margin:8px 0 6px;overflow:hidden}
.hc-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--cyan))}
.hc-note{font-size:12px;color:rgba(255,255,255,.66)}

/* ===== 状态标记 ===== */
.chip{display:inline-flex;align-items:center;gap:6px;min-height:24px;padding:2px 10px;border-radius:999px;font-size:12.5px;font-weight:500;white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.on-dark{background:rgba(255,255,255,.12);color:#fff}
.chip b{font-weight:700;font-variant-numeric:tabular-nums}

/* ===== 邮箱提醒 ===== */
.alert{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding:11px 16px;background:var(--warn-soft);border:1px solid var(--warn-border);border-radius:14px}
.alert-icon{width:32px;height:32px;border-radius:9px;background:#fff;color:var(--warn);display:grid;place-items:center;flex:none}
.alert-icon svg{width:18px;height:18px}
.alert-copy{flex:1;min-width:180px}
.alert-copy strong{display:block;font-size:14px;font-weight:600;color:#7C4A10;line-height:1.5}
.alert-copy p{font-size:13px;color:#96651F;margin-top:1px}

/* ===== 续费方案 ===== */
.plans{margin-top:20px}
.plans-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.plans-title-wrap h2{font-size:17px;font-weight:700}
.plans-title-wrap p{font-size:13px;color:var(--muted);margin-top:1px}
.fold summary{display:flex;align-items:center;gap:8px;min-height:40px;padding-right:26px;font-size:14px;cursor:pointer;list-style:none;color:var(--ink);position:relative}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{content:"";width:7px;height:7px;border-right:1.6px solid var(--muted-2);border-bottom:1.6px solid var(--muted-2);transform:rotate(-45deg);position:absolute;right:8px;top:50%;margin-top:-5px;transition:transform .15s}
.fold[open] summary::after{transform:rotate(45deg);margin-top:-2px}
.fold-meta{color:var(--muted);font-size:13px}
#orders{padding:8px 0 4px}
.order{display:flex;align-items:center;gap:10px;font-size:13.5px;padding:10px 0;border-top:1px solid var(--border)}
.order:first-child{border-top:0;padding-top:4px}
.order-date{color:var(--muted)}
.order-amount{font-weight:600;margin-left:auto}

.plan-grid{display:grid;grid-template-columns:1fr;gap:14px}
.plan-card{position:relative;display:flex;flex-direction:column;gap:5px;padding:15px 16px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 2px rgba(16,33,47,.04)}
.plan-card.featured{border-color:#A8C8F0;background:linear-gradient(180deg,#F4F9FF,var(--surface) 55%)}
.plan-card.featured::before{content:"";position:absolute;top:-1px;left:18px;right:18px;height:3px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,var(--accent),var(--cyan))}
.plan-top{display:flex;align-items:center;gap:8px}
.plan-name{font-size:15px;font-weight:600}
.plan-badge{font-size:11px;font-weight:600;padding:1px 8px;border-radius:999px;white-space:nowrap}
.plan-badge.soft{background:var(--soft);color:var(--muted);border:1px solid var(--border)}
.plan-badge.hot{background:var(--accent-soft);color:var(--accent)}
.plan-badge.good{background:var(--ok-soft);color:var(--ok)}
.plan-price{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap;margin-top:6px;font-variant-numeric:tabular-nums}
.plan-price b{font-size:28px;font-weight:800;line-height:1.05;letter-spacing:-.01em}
.plan-price span{font-size:12.5px;color:var(--muted)}
.plan-price s{font-size:11.5px;color:var(--muted-2);text-decoration-thickness:1px}
.plan-note{font-size:13px;color:var(--muted)}
.plan-feats{list-style:none;margin:8px 0 12px;padding:10px 0 0;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:5px;font-size:13.5px;color:#3A4A59}
.plan-feats li{display:flex;gap:8px;align-items:flex-start}
.plan-feats li::before{content:"✓";width:15px;height:15px;border-radius:50%;background:var(--ok-soft);color:var(--ok);font-size:10.5px;font-weight:700;display:grid;place-items:center;flex:none;margin-top:2.5px}
.plan-btn{margin-top:auto;min-height:38px;padding:0 14px;border:1px solid var(--border-2);border-radius:var(--radius-s);background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;transition:border-color .15s,background-color .15s,color .15s}
.plan-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.plan-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.plan-btn.primary:hover{background:var(--accent-hover);color:#fff}

.plans-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:10px}
.fine{font-size:13px;color:var(--muted-2)}
.coupon summary{display:inline-flex;align-items:center;gap:6px;min-height:34px;font-size:14px;font-weight:500;cursor:pointer;list-style:none;color:var(--accent);padding-right:18px;position:relative}
.coupon summary::-webkit-details-marker{display:none}
.coupon summary::after{content:"";width:7px;height:7px;border-right:1.6px solid var(--accent);border-bottom:1.6px solid var(--accent);transform:rotate(45deg);position:absolute;right:2px;top:50%;margin-top:-5px;transition:transform .15s}
.coupon[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.coupon-body{max-width:520px;padding:12px 0 4px}
.coupon-redeem{display:flex;gap:10px;align-items:stretch}
.coupon-redeem input{flex:1;min-width:0;font-size:16px}
.coupon .note{font-size:13px;color:var(--muted);margin-top:8px}
.coupon .link{display:inline-block;margin-top:8px}

/* ===== 面板（设备 / 账号安全） ===== */
.grid-2{display:grid;grid-template-columns:1fr;gap:14px;margin-top:20px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px 2px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.panel-head h2{font-size:15px;font-weight:600}
.panel-meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.panel-note{font-size:13.5px;color:var(--muted);line-height:1.55}
.panel-foot{font-size:13px;color:var(--muted);border-top:1px solid var(--border);margin:6px 0 0;padding:12px 0 16px}
#devices{padding:2px 0}
.device{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--border)}
.device:first-child{border-top:0}
.device-icon{width:40px;height:40px;border-radius:12px;background:var(--soft);border:1px solid var(--border);color:#43566A;display:grid;place-items:center;flex:none}
.device-icon svg{width:20px;height:20px}
.device-text{flex:1;min-width:0}
.device-text strong{display:block;font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.device-text p{font-size:13px;color:var(--muted);margin-top:1px}
.here{font-size:10.5px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:1px 7px;border-radius:999px;margin-left:8px;vertical-align:1.5px}
.device-actions{display:flex;gap:4px;flex:none}
.device-actions button{min-width:44px;min-height:38px;padding:6px 10px;border:0;border-radius:9px;background:transparent;font-size:13px;color:var(--muted);cursor:pointer}
.device-actions button:hover{background:var(--soft);color:var(--ink)}
.device-actions .rename-device{color:var(--accent)}
.device-actions .rename-device:hover{background:var(--accent-soft)}
.device-actions button:not(.rename-device):hover{background:var(--danger-soft);color:var(--danger)}
.email-addr{font-size:14.5px;font-weight:500;padding-bottom:6px}
.email-addr.empty{color:var(--muted);font-weight:400}
#email-benefit{margin-bottom:6px}
.email-panel .fold{margin-top:14px;border-top:1px solid var(--border)}
.email-panel .fold summary{padding:6px 26px 6px 0;min-height:42px}
.email-bind-fields{display:grid;grid-template-columns:1fr;gap:14px;padding:16px 0 6px}
.field label{display:block;font-size:13.5px;font-weight:500;margin-bottom:6px}
.field input{width:100%;min-height:46px;padding:10px 13px;border:1px solid var(--border-2);border-radius:var(--radius-s);font-size:16px;background:var(--surface);color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}
.field input::placeholder{color:var(--muted-2)}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,124,246,.15)}
.email-send-button{justify-self:start;min-height:44px}
.email-bind-explanation{font-size:12.5px;color:var(--muted);align-self:center}
.row-actions{display:flex;gap:18px;padding:10px 0 14px}
.link{background:none;border:0;padding:8px 2px;color:var(--accent);font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;border-radius:6px}
.link:hover{text-decoration:underline;text-underline-offset:3px}
.link.small{font-size:13px;min-height:40px}

/* ===== 退出 / 页脚 ===== */
.logout-row{margin-top:20px}
.logout-btn{width:100%;min-height:46px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--danger);font-size:14.5px;font-weight:500;cursor:pointer;transition:background-color .15s,border-color .15s}
.logout-btn:hover{background:var(--danger-soft);border-color:#F0C6C6}
.site-foot{margin-top:20px;text-align:center;font-size:12.5px;color:var(--muted-2)}

/* ===== 提示 Toast ===== */
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(12px);background:#0C2138;color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;line-height:1.5;box-shadow:0 12px 32px rgba(10,30,50,.28);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:99;max-width:min(90vw,460px);text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ===== 桌面端 ===== */
@media (min-width:768px){
  .page{padding:16px 28px 36px}
  .topbar{padding:12px 20px}
  .hero{padding:20px 32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center}
  .hero-stat{margin-top:0;width:236px;padding:12px 16px 11px}
  .hs-num{font-size:32px}
  .hero-title{font-size:clamp(28px,3vw,40px);margin:6px 0 0}
  .alert{margin-top:16px;padding:12px 20px}
  .plans{margin-top:24px}
  .plan-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .grid-2{grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;align-items:start}
  .panel{padding:20px 22px 4px}
  .logout-row{margin-top:24px}
}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Coupon feedback shares the account page's navy, cyan and blue palette. */
.redemption-dialog{width:min(440px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:0;border:1px solid var(--border);border-radius:20px;background:var(--surface);color:var(--ink);box-shadow:0 24px 90px #0b203744}
.redemption-dialog::backdrop{background:rgba(11,32,55,.56)}
.redemption-head{padding:26px 24px 24px;text-align:center;background:linear-gradient(145deg,var(--navy),var(--navy-3));color:white}
.redemption-check{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 12px;border:1px solid #6fd0ff66;border-radius:50%;background:#6fd0ff22;color:var(--cyan);font-size:27px}
.redemption-eyebrow{font-size:12px;color:#ffffffaa;letter-spacing:.08em}
.redemption-head h2{margin:5px 0 6px;font-size:26px}
.redemption-head>p:last-child{font-size:13px;color:#ffffffcc}
.redemption-body{padding:22px 24px 24px}
.redemption-benefit{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid #2e7cf622;border-radius:var(--radius-s);background:var(--accent-soft);font-size:13px;color:var(--muted)}
.redemption-benefit strong{color:var(--accent);font-size:24px}
.redemption-expiry{display:flex;justify-content:space-between;gap:12px;margin:17px 0;font-size:13px;color:var(--muted)}
.redemption-expiry strong{color:var(--ink);font-size:16px;font-variant-numeric:tabular-nums}
.redemption-note{margin:0 0 18px;color:var(--muted);font-size:12px;text-align:center}
.redemption-body .btn{width:100%;min-height:44px}
.redemption-dialog button:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
@media(max-width:360px){.redemption-head{padding:22px 16px}.redemption-body{padding:18px 16px}.redemption-benefit{padding:12px}.redemption-benefit strong{font-size:20px}}