/* LIGHT-THEME-APPLIED: 前台整体白色风格 */
/* ==========================================================
   积分商城 · 全局内置 CSS（前台）
   ========================================================== */

:root{
  --brand:#5b8cff;
  --brand2:#8b5cf6;
  --glass:.78;
  --bg:#f4f6fb;
  --text:#111827;
  --muted:#6b7280;
  --line:rgba(17,24,39,.08);
  --line-soft:rgba(17,24,39,.045);
  --ok:#22c55e;
  --warn:#f5a524;
  --danger:#f43f5e;
  --radius:18px;
  --radius-sm:12px;
  --surface:rgba(255,255,255,.92);
  --surface-2:#f2f4f9;
  --shadow:0 16px 40px rgba(17,24,39,.10);
  --tab-h:66px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(91,140,255,.35)}

/* ---------- 背景光晕 ---------- */
.bg-orbs{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.bg-orbs span{position:absolute;display:block;border-radius:50%;filter:blur(90px);opacity:.22}
.bg-orbs span:nth-child(1){width:420px;height:420px;left:-140px;top:-120px;background:var(--brand)}
.bg-orbs span:nth-child(2){width:380px;height:380px;right:-130px;top:180px;background:var(--brand2)}
.bg-orbs span:nth-child(3){width:320px;height:320px;left:20%;bottom:-160px;background:#7dd3d8}

/* ---------- 布局 ---------- */
.app{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:0 14px calc(var(--tab-h) + 26px)}
.main{padding-top:14px}

.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 2px 10px;
  background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,255,255,.62) 70%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-logo{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 6px 18px rgba(91,140,255,.35);flex:none;
}
.brand-logo .ico{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text strong{font-size:16px;letter-spacing:.3px;white-space:nowrap}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}
.topbar-right{display:flex;align-items:center;gap:6px;flex:none}

/* ---------- 通用组件 ---------- */
.ico{width:22px;height:22px;flex:none}
.ico-sm{width:16px;height:16px;flex:none}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  padding:16px;
}
.card + .card{margin-top:14px}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.card-title h2,.card-title h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.card-title h2 .ico,.card-title h3 .ico{width:18px;height:18px;color:var(--brand)}

.section-title{
  display:flex;align-items:center;justify-content:space-between;
  margin:22px 2px 12px;font-size:15px;font-weight:700;letter-spacing:.3px;
}
.section-title small{font-weight:400;color:var(--muted);font-size:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:42px;padding:0 18px;border-radius:12px;border:1px solid var(--line);
  background:rgba(17,24,39,.05);color:var(--text);
  font-size:14px;font-weight:600;cursor:pointer;transition:.18s;white-space:nowrap;
}
.btn:hover{background:rgba(17,24,39,.10)}
.btn:active{transform:scale(.97)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.btn-primary{
  border:none;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 10px 26px rgba(91,140,255,.32);
}
.btn-primary:hover{filter:brightness(1.08);background:linear-gradient(135deg,var(--brand),var(--brand2))}
.btn-ghost{background:transparent}
.btn-danger{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.4);color:#e11d48}
.btn-sm{height:34px;padding:0 13px;font-size:13px;border-radius:10px}
.btn-xs{height:28px;padding:0 10px;font-size:12px;border-radius:9px}
.btn-block{width:100%}
.btn-lg{height:50px;font-size:16px;border-radius:14px}
.icon-btn{
  width:34px;height:34px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);background:rgba(17,24,39,.045);color:var(--muted);
  cursor:pointer;transition:.18s;
}
.icon-btn:hover{color:var(--text);background:rgba(17,24,39,.09)}

.chip{
  display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 10px;
  border-radius:999px;border:1px solid var(--line);background:rgba(17,24,39,.045);
  font-size:12.5px;font-weight:600;color:#374151;
}
.chip .ico-sm{color:#e08b00}
.avatar{border-radius:50%;object-fit:cover;flex:none;background:linear-gradient(135deg,var(--brand),var(--brand2))}
.avatar-text{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.avatar-link{display:inline-flex;border-radius:50%;border:2px solid rgba(17,24,39,.14)}

.badge{
  display:inline-flex;align-items:center;gap:4px;height:21px;padding:0 8px;
  border-radius:7px;font-size:11px;font-weight:700;letter-spacing:.3px;
  background:rgba(17,24,39,.07);color:#3f4a5f;border:1px solid var(--line-soft);
}
.badge-top{background:rgba(244,63,94,.16);color:#e11d48;border-color:rgba(244,63,94,.32)}
.badge-feature{background:rgba(245,165,36,.16);color:#e08b00;border-color:rgba(245,165,36,.32)}
.badge-official{background:rgba(34,197,94,.16);color:#16a34a;border-color:rgba(34,197,94,.32)}
.badge-muted{background:rgba(17,24,39,.045);color:var(--muted)}
.badge-brand{background:rgba(91,140,255,.16);color:#3b6ee0;border-color:rgba(91,140,255,.32)}

/* ---------- 表单 ---------- */
.field{margin-bottom:14px}
.field > label{display:block;font-size:13px;font-weight:600;color:#3f4a5f;margin-bottom:7px}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px}
.input,.textarea,.select{
  width:100%;background:#f7f8fb;border:1px solid var(--line);
  border-radius:12px;color:var(--text);font-size:14px;font-family:inherit;
  padding:11px 13px;transition:.18s;outline:none;
}
.input:focus,.textarea:focus,.select:focus{border-color:rgba(91,140,255,.65);box-shadow:0 0 0 3px rgba(91,140,255,.16)}
.textarea{min-height:120px;resize:vertical;line-height:1.6}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6b7280 50%),linear-gradient(135deg,#6b7280 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:36px}
.input::placeholder,.textarea::placeholder{color:#6b7280}
.input[type=file]{padding:8px 10px;font-size:13px;color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:#3f4a5f;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--brand)}

/* ---------- 首页 ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:22px;padding:22px 20px;
  background:linear-gradient(135deg,rgba(91,140,255,.24),rgba(139,92,246,.2) 60%,rgba(255,255,255,.84));
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero h1{font-size:22px;letter-spacing:.5px}
.hero p{margin-top:6px;font-size:13px;color:#3f4a5f}
.hero-stats{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.hero-stat{
  flex:1 1 90px;min-width:90px;padding:10px 12px;border-radius:14px;
  background:rgba(255,255,255,.72);border:1px solid var(--line-soft);
}
.hero-stat b{display:block;font-size:19px;line-height:1.2}
.hero-stat span{font-size:11.5px;color:var(--muted)}

.notice{
  margin-top:14px;display:flex;gap:10px;align-items:flex-start;
  padding:12px 14px;border-radius:14px;font-size:13px;color:#374151;
  background:rgba(245,165,36,.1);border:1px solid rgba(245,165,36,.24);
}
.notice .ico{width:17px;height:17px;color:#e08b00;margin-top:2px}

.nav-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:400px){.nav-grid{grid-template-columns:1fr}}
.nav-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:112px;border-radius:var(--radius);overflow:hidden;padding:14px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(91,140,255,.22),rgba(139,92,246,.16));
  box-shadow:var(--shadow);transition:.22s;
}
.nav-card:active{transform:scale(.985)}
.nav-card.has-img{padding:0;min-height:128px}
.nav-card.has-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.nav-card.has-img .nav-card-body{position:relative;z-index:2;background:linear-gradient(180deg,transparent,rgba(255,255,255,.92));padding:26px 14px 14px}
.nav-card-body strong{display:block;font-size:15px}
.nav-card-body span{display:block;font-size:12px;color:#3f4a5f;margin-top:2px}
.nav-card .arrow{position:absolute;right:12px;top:12px;opacity:.6}
.nav-card .arrow .ico{width:16px;height:16px}

.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.quick{
  display:flex;flex-direction:column;align-items:center;gap:7px;padding:13px 6px;
  border-radius:14px;background:var(--surface);border:1px solid var(--line);
  font-size:12px;color:#3f4a5f;transition:.18s;
}
.quick:hover{background:rgba(17,24,39,.07)}
.quick .ico{width:21px;height:21px;color:var(--brand)}

/* ---------- 转盘 ---------- */
.wheel-wrap{position:relative;width:min(84vw,330px);margin:6px auto 4px;aspect-ratio:1/1}
.wheel-pointer{
  position:absolute;left:50%;top:-6px;transform:translateX(-50%);
  width:0;height:0;border-left:11px solid transparent;border-right:11px solid transparent;
  border-top:20px solid #e08b00;z-index:5;
  filter:drop-shadow(0 3px 6px rgba(17,24,39,.18));
}
.wheel{
  position:relative;width:100%;height:100%;border-radius:50%;overflow:hidden;
  border:9px solid rgba(17,24,39,.06);
  box-shadow:0 0 0 5px rgba(255,255,255,.88),0 24px 60px rgba(17,24,39,.16),inset 0 0 60px rgba(17,24,39,.14);
  will-change:transform;transform:rotate(0deg);
}
.wheel-face{position:absolute;inset:0;border-radius:50%}
.wheel-label{position:absolute;left:50%;top:0;width:2px;height:50%;margin-left:-1px;transform-origin:50% 100%}
.wheel-label span{
  position:absolute;left:50%;top:15px;transform:translateX(-50%);
  max-width:76px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-size:12px;font-weight:700;color:#fff;text-shadow:none;
}
.wheel-hub{
  position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;
  border-radius:50%;display:grid;place-items:center;z-index:4;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 8px 22px rgba(17,24,39,.14),inset 0 0 0 4px rgba(17,24,39,.12);
  font-size:13px;font-weight:800;color:#fff;letter-spacing:.5px;
}
.spin-bar{display:flex;align-items:center;justify-content:center;gap:12px;margin:16px 0 4px}
.prize-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.prize-item{
  display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:12px;
  background:rgba(17,24,39,.035);border:1px solid var(--line-soft);font-size:13px;
}
.prize-item .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}
.prize-item small{color:var(--muted);font-size:11.5px;margin-left:auto}

/* ---------- 论坛 ---------- */
.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:12px}
.search{position:relative;flex:1}
.search .ico{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted)}
.search .input{padding-left:35px;height:40px}
.tabs{display:flex;gap:7px;overflow-x:auto;padding-bottom:4px;margin-bottom:12px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-pill{
  flex:none;height:31px;padding:0 13px;display:inline-flex;align-items:center;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#4b5563;background:rgba(17,24,39,.045);border:1px solid var(--line-soft);
}
.tab-pill.active{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent}

.post-list{display:flex;flex-direction:column;gap:10px}
.post-item{
  display:block;padding:14px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);transition:.18s;box-shadow:0 8px 22px rgba(17,24,39,.10);
}
.post-item:hover{border-color:rgba(91,140,255,.4);transform:translateY(-1px)}
.post-item h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.post-item p{margin-top:6px;font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:11.5px;color:#7c8798;flex-wrap:wrap}
.post-meta .avatar{width:22px;height:22px;font-size:11px}
.post-meta .sep{opacity:.4}

.post-body{font-size:14.5px;line-height:1.8;word-break:break-word;color:#374151}
.post-body p{margin:0 0 10px}
.post-body img{max-width:100%;border-radius:12px;margin:8px 0}
.post-head h1{font-size:20px;line-height:1.4}
.post-head .post-meta{margin-top:12px}
.reply-item{display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--line-soft)}
.reply-item:first-child{border-top:none}
.reply-item .body{flex:1;min-width:0}
.reply-item .name{font-size:12.5px;font-weight:600;color:#374151}
.reply-item .text{font-size:13.5px;margin-top:3px;color:#374151;word-break:break-word}
.reply-item .time{font-size:11px;color:#9aa3b2;margin-left:8px;font-weight:400}

.attach{
  display:flex;align-items:center;gap:12px;padding:13px 14px;margin-top:14px;
  border-radius:14px;background:rgba(91,140,255,.09);border:1px dashed rgba(91,140,255,.4);
}
.attach .ico{width:22px;height:22px;color:#3b6ee0}
.attach .info{flex:1;min-width:0}
.attach .info strong{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.attach .info span{font-size:11.5px;color:var(--muted)}

/* ---------- 商城 ---------- */
.cat-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:14px;scrollbar-width:none}
.cat-chips::-webkit-scrollbar{display:none}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:360px){.product-grid{grid-template-columns:1fr}}
.product-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:0 10px 26px rgba(17,24,39,.10);transition:.2s;
}
.product-card:hover{transform:translateY(-2px);border-color:rgba(91,140,255,.4)}
.product-cover{
  aspect-ratio:16/10;background:linear-gradient(135deg,rgba(91,140,255,.3),rgba(139,92,246,.25));
  display:grid;place-items:center;color:rgba(17,24,39,.55);overflow:hidden;
}
.product-cover img{width:100%;height:100%;object-fit:cover}
.product-cover .ico{width:38px;height:38px;opacity:.75}
.product-body{padding:11px 12px 13px;display:flex;flex-direction:column;gap:7px;flex:1}
.product-body h3{font-size:13.5px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:36px}
.price{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.price b{color:#e08b00;font-size:16px;display:inline-flex;align-items:center;gap:4px}
.price b .ico-sm{width:14px;height:14px}
.price small{font-size:11px;color:var(--muted)}

.product-detail-cover{border-radius:16px;overflow:hidden;margin-bottom:14px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(91,140,255,.3),rgba(139,92,246,.25));aspect-ratio:16/9;display:grid;place-items:center}
.product-detail-cover img{width:100%;height:100%;object-fit:cover}
.rich{font-size:14px;line-height:1.8;color:#374151;word-break:break-word}
.rich img{max-width:100%;border-radius:12px}
.rich a{color:var(--brand);text-decoration:underline}
.rich ul,.rich ol{padding-left:20px;list-style:revert}
.rich h1,.rich h2,.rich h3{margin:12px 0 6px}
.rich p{margin:0 0 8px}
.rich table{width:100%;border-collapse:collapse}
.rich td,.rich th{border:1px solid var(--line);padding:6px 8px;font-size:13px}

.buy-bar{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line-soft)}
.buy-bar .left{flex:1}
.buy-bar .left b{font-size:20px;color:#e08b00}
.buy-bar .left small{display:block;font-size:11.5px;color:var(--muted)}

/* ---------- 我的 ---------- */
.profile-card{display:flex;align-items:center;gap:14px}
.profile-card .avatar{width:62px;height:62px;font-size:26px;border:2px solid rgba(17,24,39,.12)}
.profile-info{flex:1;min-width:0}
.profile-info h2{font-size:17px;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.profile-info p{font-size:12px;color:var(--muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wallet{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.wallet-item{padding:12px;border-radius:14px;background:rgba(17,24,39,.035);border:1px solid var(--line-soft);text-align:center}
.wallet-item b{display:block;font-size:18px;color:#e08b00}
.wallet-item span{font-size:11.5px;color:var(--muted)}

.rank-list{display:flex;flex-direction:column;gap:8px}
.rank-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:12px;background:rgba(17,24,39,.03);border:1px solid var(--line-soft)}
.rank-item .no{width:22px;text-align:center;font-size:13px;font-weight:800;color:var(--muted);flex:none}
.rank-item:nth-child(1) .no{color:#e08b00}
.rank-item:nth-child(2) .no{color:#374151}
.rank-item:nth-child(3) .no{color:#b45309}
.rank-item .name{flex:1;min-width:0;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-item .val{font-size:13px;font-weight:700;color:#e08b00;flex:none}
.rank-item.me{background:rgba(91,140,255,.14);border-color:rgba(91,140,255,.35)}

.menu-list{display:flex;flex-direction:column;gap:2px}
.menu-item{display:flex;align-items:center;gap:11px;padding:13px 4px;border-bottom:1px solid var(--line-soft);font-size:14px}
.menu-item:last-child{border-bottom:none}
.menu-item .ico{width:19px;height:19px;color:var(--brand)}
.menu-item .arrow{margin-left:auto;color:#6b7280}
.menu-item .arrow .ico{width:16px;height:16px;color:#6b7280}

/* ---------- 认证页 ---------- */
.auth-wrap{max-width:420px;margin:6vh auto 0}
.auth-card{padding:22px}
.auth-card h1{font-size:21px;text-align:center}
.auth-card .sub{text-align:center;font-size:12.5px;color:var(--muted);margin-top:6px;margin-bottom:20px}
.auth-switch{text-align:center;font-size:13px;color:var(--muted);margin-top:16px}
.auth-switch a{color:var(--brand);font-weight:600}

/* ---------- 空状态 / 加载 ---------- */
.empty{
  display:flex;flex-direction:column;align-items:center;gap:9px;
  padding:40px 16px;color:var(--muted);font-size:13px;text-align:center;
}
.empty .ico{width:40px;height:40px;opacity:.4}
.loading{opacity:.6;pointer-events:none}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:16px;flex-wrap:wrap}
.page-btn{
  min-width:32px;height:32px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;background:rgba(17,24,39,.045);border:1px solid var(--line-soft);
  font-size:12.5px;color:#3f4a5f;
}
.page-btn.active{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent}
.page-btn.disabled{opacity:.35;pointer-events:none}
.page-dot{color:var(--muted);font-size:12px}

/* ---------- 底部导航 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:40;height:calc(var(--tab-h) + env(safe-area-inset-bottom));
  display:flex;align-items:stretch;justify-content:center;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.90);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  border-top:1px solid rgba(17,24,39,.06);
}
.tab{
  flex:1;max-width:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:#7c8798;transition:.18s;position:relative;
}
.tab .ico{width:21px;height:21px}
.tab.active{color:var(--brand)}
.tab.active::after{
  content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--brand),var(--brand2));
}
.tab:active{transform:scale(.94)}

.site-foot{
  text-align:center;font-size:11px;color:#9aa3b2;padding:20px 0 6px;
}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;left:50%;bottom:calc(var(--tab-h) + 26px);transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:max-content;max-width:88vw}
.toast{
  display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:12px;
  background:rgba(255,255,255,.98);border:1px solid var(--line);box-shadow:0 14px 34px rgba(17,24,39,.14);
  font-size:13px;font-weight:600;color:#111827;opacity:0;transform:translateY(10px);transition:.22s;
  backdrop-filter:blur(14px);max-width:100%;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast .ico{width:17px;height:17px;flex:none}
.toast-ok{border-color:rgba(34,197,94,.4)}
.toast-ok .ico{color:#16a34a}
.toast-err{border-color:rgba(244,63,94,.45)}
.toast-err .ico{color:#e11d48}
.toast-info .ico{color:#3b6ee0}

/* ---------- Modal ---------- */
.modal-root{position:relative;z-index:200}
.modal-mask{
  position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(17,24,39,.38);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;transition:.2s;
}
.modal-mask.show{opacity:1}
.modal{
  width:100%;max-width:430px;border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.99),rgba(250,251,253,.99));
  border:1px solid rgba(17,24,39,.09);box-shadow:0 30px 80px rgba(17,24,39,.16);
  transform:translateY(16px) scale(.97);transition:.24s cubic-bezier(.2,.9,.3,1.2);
  max-height:86vh;display:flex;flex-direction:column;
}
.modal-mask.show .modal{transform:translateY(0) scale(1)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px 10px}
.modal-head strong{font-size:15.5px}
.modal-body{padding:4px 18px 16px;overflow-y:auto;font-size:14px;color:#374151;line-height:1.65}
.modal-foot{display:flex;gap:9px;padding:0 18px 18px}
.modal-foot .btn{flex:1}
.modal-x{border:none;background:transparent;color:var(--muted);width:30px;height:30px;border-radius:9px;cursor:pointer;font-size:15px}
.modal-x:hover{background:rgba(17,24,39,.07);color:var(--text)}

/* ---------- 杂项 ---------- */
.muted{color:var(--muted)}
.small{font-size:12px}
.center{text-align:center}
.mt8{margin-top:8px}.mt14{margin-top:14px}.mt20{margin-top:20px}
.row{display:flex;align-items:center;gap:10px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.wrap{flex-wrap:wrap}
.grow{flex:1;min-width:0}
.hr{height:1px;background:var(--line-soft);margin:14px 0;border:none}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.code-box{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:12px;
  background:#f7f8fb;border:1px dashed rgba(91,140,255,.5);font-size:14px;letter-spacing:.5px;
  word-break:break-all;
}
.copy-btn{flex:none}
.tip{font-size:12px;color:var(--muted);line-height:1.6}
.hidden{display:none !important}

@media(max-width:420px){
  .brand-text em{display:none}
  .hero h1{font-size:20px}
}

/* ---------- 背景图片（后台可配置） ---------- */
.bg-photo{position:fixed;inset:0;z-index:0;pointer-events:none;background-size:cover;background-position:center center;background-repeat:no-repeat;opacity:.38;filter:saturate(1.05)}
@media (prefers-reduced-motion:no-preference){.bg-photo{animation:bgFade .6s ease}}
@keyframes bgFade{from{opacity:0}to{opacity:.38}}

/* ---------------- 帖子互动：点赞 / 打赏 ---------------- */
.post-ops{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:16px;margin-top:16px;border-top:1px solid rgba(17,24,39,.08)}
.like-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;border:1px solid rgba(17,24,39,.12);
  background:#fff;color:#475569;font-size:13px;line-height:1;cursor:pointer;transition:.18s ease}
.like-btn:hover{border-color:rgba(225,29,72,.45);color:#e11d48;transform:translateY(-1px)}
.like-btn.is-on{border-color:rgba(225,29,72,.45);background:rgba(225,29,72,.07);color:#e11d48}
.like-btn.is-on svg{fill:currentColor}
.like-btn.is-static{cursor:default;opacity:.75}
.like-btn.is-static:hover{transform:none;border-color:rgba(17,24,39,.12);color:#475569}
.like-btn b{font-weight:600;font-variant-numeric:tabular-nums}
.post-ops-info{margin-left:auto;display:inline-flex;align-items:center;gap:5px;color:#6b7280;font-size:12.5px}
.post-ops-info b{color:#b45309;font-weight:600}
.tip-strip{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tip-chip{font-size:12px;padding:3px 9px;border-radius:999px;background:rgba(224,139,0,.09);
  color:#b45309;border:1px solid rgba(224,139,0,.18);white-space:nowrap}
@media (max-width:560px){
  .post-ops-info{margin-left:0;width:100%}
  .tip-chip{font-size:11.5px}
}

/* ========================= 积分夺宝 ========================= */
.tz-list{display:flex;flex-direction:column;gap:12px}
.tz-item{display:flex;gap:12px;padding:12px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:0 8px 22px rgba(17,24,39,.10);transition:.18s}
.tz-item:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(17,24,39,.14)}
.tz-cover{width:76px;height:76px;border-radius:12px;object-fit:cover;flex:none;background:rgba(17,24,39,.05)}
.tz-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:2px}
.tz-title{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:800;color:#111827;min-width:0}
.tz-meta{font-size:12.5px;color:#6b7280;line-height:1.55}
.tz-bar{height:8px;border-radius:999px;background:rgba(17,24,39,.08);overflow:hidden;margin-top:7px}
.tz-bar>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:width .45s ease}
.tz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:8px;margin-top:12px}
.tz-no{height:44px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:13px;font-weight:700;
  background:rgba(17,24,39,.05);border:1px solid var(--line-soft);color:#9aa3b2;font-variant-numeric:tabular-nums}
.tz-no.taken{background:rgba(91,140,255,.12);color:#3b66d6;border-color:rgba(91,140,255,.28)}
.tz-no.mine{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(43,108,255,.28)}
.tz-no.win{background:linear-gradient(135deg,#f7b733,#fc4a1a);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(252,74,26,.30)}
.tz-count{display:flex;gap:8px;margin-top:8px}
.tz-count>b{font-variant-numeric:tabular-nums;font-size:18px;min-width:44px;text-align:center;padding:6px 8px;border-radius:10px;
  background:rgba(17,24,39,.05);font-weight:800;color:#111827}
@media (max-width:520px){
  .tz-cover{width:64px;height:64px}
  .tz-grid{grid-template-columns:repeat(auto-fill,minmax(40px,1fr))}
  .tz-no{height:40px;font-size:12px}
}