/* ============================================================
   卡密系统 · 视觉样式（白色 · 大气版）
   ============================================================ */
:root{
  --bg:#f6f7fb;
  --bg-2:#eef1f7;
  --card:#ffffff;
  --ink:#0f172a;
  --ink-2:#465065;
  --muted:#8a92a6;
  --line:#e7eaf1;
  --line-2:#f1f3f8;
  --brand:#111827;
  --brand-2:#374151;
  --accent:#4f46e5;
  --accent-2:#7c3aed;
  --green:#0ea472;
  --blue:#2563eb;
  --red:#e11d48;
  --amber:#d97706;
  --radius:16px;
  --radius-sm:10px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.05);
  --shadow-sm:0 2px 8px -2px rgba(15,23,42,.08),0 1px 3px rgba(15,23,42,.04);
  --shadow:0 14px 40px -18px rgba(15,23,42,.22),0 2px 8px -2px rgba(15,23,42,.06);
  --shadow-lg:0 30px 70px -28px rgba(15,23,42,.34);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:14.5px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px}
p{margin:0 0 10px}
hr{border:0;border-top:1px solid var(--line)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}
.mono{font-size:12.5px;letter-spacing:-.2px}
.sub{color:var(--muted);font-size:12.5px}
.tip{color:var(--muted);font-size:12px;margin-top:6px}
.mt{margin-top:18px}
.mt-l{margin-top:26px}
.mb{margin-bottom:18px}
.text-c{text-align:center}

/* ---------------- 顶栏 ---------------- */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.tb-inner{max-width:1240px;margin:0 auto;padding:0 22px;height:64px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-dot{
  width:30px;height:30px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#111827 0%,#4b5563 55%,#7c3aed 140%);
  box-shadow:0 6px 16px -6px rgba(17,24,39,.6);
}
.brand strong{display:block;font-size:15.5px;line-height:1.25;letter-spacing:-.3px}
.brand em{display:block;font-style:normal;font-size:11.5px;color:var(--muted);line-height:1.3}
.tb-nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0;overflow:auto;scrollbar-width:none}
.tb-nav::-webkit-scrollbar{display:none}
.tb-nav a{
  padding:8px 13px;border-radius:9px;color:var(--ink-2);font-size:13.5px;white-space:nowrap;font-weight:500;
}
.tb-nav a:hover{background:var(--line-2);color:var(--ink);text-decoration:none}
.tb-nav a.on{background:var(--ink);color:#fff;box-shadow:0 8px 20px -12px rgba(17,24,39,.9)}
.tb-right{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.tb-right .me{font-size:13px;color:var(--ink-2);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.burger{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:36px;height:34px;font-size:15px;cursor:pointer}

/* ---------------- 页面容器 ---------------- */
.page{max-width:1240px;margin:0 auto;padding:26px 22px 60px}
.page-head{margin-bottom:22px}
.page-head h1{font-size:25px;letter-spacing:-.7px}
.page-head p{color:var(--muted);font-size:13.5px;margin:6px 0 0}
.foot{
  max-width:1240px;margin:0 auto;padding:26px 22px 40px;
  color:var(--muted);font-size:12.5px;border-top:1px solid var(--line);text-align:center;
}

/* ---------------- 布局工具 ---------------- */
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.btn-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9.5px 17px;border-radius:11px;border:1px solid transparent;
  font-size:13.5px;font-weight:600;line-height:1.3;cursor:pointer;
  transition:transform .12s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-dark{background:linear-gradient(135deg,#0f172a,#374151);color:#fff;box-shadow:0 10px 24px -14px rgba(15,23,42,.95)}
.btn-dark:hover{box-shadow:0 14px 30px -14px rgba(15,23,42,.95)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-line:hover{border-color:#cfd5e2;color:var(--ink);box-shadow:var(--shadow-xs)}
.btn-ghost{background:transparent;color:var(--ink-2);padding:7px 10px;border-radius:9px}
.btn-ghost:hover{background:var(--line-2);color:var(--ink)}
.btn-danger{background:#fff;border-color:#fbd5dd;color:var(--red)}
.btn-danger:hover{background:#fff1f4;border-color:#f6b8c6}
.btn-sm{padding:6.5px 12px;font-size:12.5px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.loading{width:12px;height:12px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------------- 卡片 ---------------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.card-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:17px 22px;border-bottom:1px solid var(--line-2);
}
.card-head h3{font-size:15px;letter-spacing:-.2px}
.card-body{padding:20px 22px}
.card-body:has(> .tw),.card-body.p0{padding:0}
.card-foot{padding:16px 22px;border-top:1px solid var(--line-2);background:#fcfcfe}
.card-pad{padding:24px}
.card-pad h3{font-size:15px;margin-bottom:8px}
.card-pad p{color:var(--muted);font-size:13.5px;margin:0}
.card.pad-lg{padding:30px 34px}
.hover-lift{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.hover-lift:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dbe0ec}

/* ---------------- 统计块 ---------------- */
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.stat:before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,#111827,#7c3aed);opacity:.9}
.stat .k{color:var(--muted);font-size:12.5px;font-weight:600;letter-spacing:.2px}
.stat .v{font-size:29px;font-weight:800;letter-spacing:-1.2px;margin:7px 0 3px;line-height:1.15}
.stat .d{color:var(--muted);font-size:12px;word-break:break-all}

/* ---------------- 表格 ---------------- */
.tw{width:100%;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{
  text-align:left;font-weight:600;color:var(--muted);font-size:12px;letter-spacing:.3px;
  background:#fbfcfe;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:13px 14px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbff}
.t-actions{white-space:nowrap}
.t-actions .btn{margin-right:2px}

/* ---------------- 徽章 / 标签 ---------------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3.5px 10px;border-radius:99px;
  font-size:11.5px;font-weight:600;letter-spacing:.2px;
}
.badge.gray{background:#f1f3f8;color:var(--ink-2)}
.badge.blue{background:#eaf1ff;color:var(--blue)}
.badge.green{background:#e8f8f1;color:var(--green)}
.badge.red{background:#fdeef2;color:var(--red)}
.badge.amber{background:#fdf3e5;color:#b45309}
.tag{
  display:inline-block;padding:3px 9px;border-radius:8px;background:#f3f4f8;color:var(--ink-2);
  font-size:11.5px;font-weight:600;
}
.copy-mini{
  margin-left:8px;border:1px solid var(--line);background:#fff;color:var(--muted);
  border-radius:7px;padding:2px 8px;font-size:11px;cursor:pointer;transition:.15s;vertical-align:middle;
}
.copy-mini:hover{color:var(--ink);border-color:#cfd5e2;background:#fafbff}

/* ---------------- 表单 ---------------- */
label{display:block;font-size:12.5px;color:var(--ink-2);font-weight:600;margin-bottom:7px}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=file],select,textarea{
  width:100%;padding:10.5px 13px;border:1px solid #dde2ec;border-radius:11px;font-size:14px;background:#fff;
  color:var(--ink);outline:none;transition:.15s;font-family:inherit;
}
textarea{min-height:110px;line-height:1.7;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:#9aa4bb;box-shadow:0 0 0 4px rgba(79,70,229,.09)}
input::placeholder,textarea::placeholder{color:#b3b9c7}
.field{margin-bottom:15px}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8a92a6 50%),linear-gradient(135deg,#8a92a6 50%,transparent 50%);
  background-position:calc(100% - 17px) calc(1em + 3px),calc(100% - 12px) calc(1em + 3px);background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}
.switch{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-2);cursor:pointer;font-weight:500;margin-bottom:0}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch i{
  width:40px;height:23px;border-radius:99px;background:#dfe3ec;position:relative;transition:.2s;flex:0 0 auto;
}
.switch i:after{
  content:"";position:absolute;top:2.5px;left:2.5px;width:18px;height:18px;border-radius:50%;background:#fff;
  box-shadow:0 1px 3px rgba(15,23,42,.3);transition:.2s;
}
.switch input:checked + i{background:linear-gradient(135deg,#111827,#4f46e5)}
.switch input:checked + i:after{transform:translateX(17px)}

/* ---------------- 提示条 ---------------- */
.alert{
  border-radius:13px;padding:14px 18px;font-size:13.5px;margin-bottom:18px;position:relative;
  border:1px solid var(--line);background:#fff;line-height:1.7;
}
.alert-info{background:#f4f7ff;border-color:#dde6ff;color:#2c3e80}
.alert-warn{background:#fffaf0;border-color:#fbe6c3;color:#8a5a11}
.alert-error{background:#fff5f7;border-color:#fbd5dd;color:#a0143a}
.alert-success{background:#f2fbf7;border-color:#cdefe0;color:#0b6d4d}
.alert-x{
  position:absolute;top:10px;right:12px;border:0;background:transparent;color:inherit;opacity:.7;
  cursor:pointer;font-size:12px;border-radius:7px;padding:3px 8px;
}
.alert-x:hover{opacity:1;background:rgba(0,0,0,.05)}

/* ---------------- 键值列表 ---------------- */
.kv{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line-2);font-size:13.5px;flex-wrap:wrap}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted);min-width:126px;flex:0 0 auto;font-size:12.5px}
.kv .v{color:var(--ink);word-break:break-all;flex:1;min-width:0}

/* ---------------- 空状态 / 分页 ---------------- */
.empty{padding:54px 20px;text-align:center;color:var(--muted);font-size:13.5px}
.empty .big{font-size:34px;margin-bottom:10px;opacity:.9}
.pager{display:flex;gap:6px;justify-content:center;margin:24px 0 6px;flex-wrap:wrap}
.pager .pg{
  min-width:34px;height:34px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-2);font-size:13px;
}
.pager .pg:hover{border-color:#cfd5e2;text-decoration:none}
.pager .pg.active{background:var(--ink);border-color:var(--ink);color:#fff}
.pager .pg.disabled{opacity:.4;pointer-events:none}

/* ---------------- 弹窗 ---------------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(15,23,42,.42);z-index:200;
  align-items:center;justify-content:center;padding:22px;
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.modal{
  background:#fff;border-radius:20px;width:100%;max-width:620px;max-height:88vh;overflow:auto;
  box-shadow:var(--shadow-lg);animation:pop .22s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes pop{from{transform:translateY(14px) scale(.97);opacity:0}to{transform:none;opacity:1}}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 22px;border-bottom:1px solid var(--line-2);font-weight:700;font-size:15.5px;
}
.modal-x{border:0;background:#f3f4f8;border-radius:9px;width:30px;height:30px;cursor:pointer;color:var(--ink-2);font-size:13px}
.modal-x:hover{background:#e9ecf3}
.modal-body{padding:22px}
.modal-foot{display:flex;justify-content:flex-end;gap:9px;padding:16px 22px;border-top:1px solid var(--line-2);background:#fcfcfe}

/* ---------------- 代码块 / 选项卡 ---------------- */
.tabs{display:flex;gap:3px;overflow-x:auto;padding:12px 22px 0;border-bottom:1px solid var(--line-2);scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{
  padding:9px 15px;border-radius:10px 10px 0 0;color:var(--ink-2);font-size:13px;font-weight:600;white-space:nowrap;
}
.tabs a:hover{background:var(--line-2);color:var(--ink);text-decoration:none}
.tabs a.on{background:#0f172a;color:#fff}
.code-wrap{position:relative;background:#0f172a;border-radius:14px;overflow:hidden}
.code-wrap pre{
  margin:0;padding:20px;color:#e5e9f5;font-size:12.5px;line-height:1.7;overflow:auto;max-height:520px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.code-copy{
  position:absolute;top:11px;right:11px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);
  color:#eef1fa;border-radius:9px;padding:6px 13px;font-size:12px;cursor:pointer;backdrop-filter:blur(6px);
}
.code-copy:hover{background:rgba(255,255,255,.2)}

/* ---------------- Toast ---------------- */
#toasts{position:fixed;top:18px;right:18px;z-index:999;display:flex;flex-direction:column;gap:9px;pointer-events:none}
.toast{
  background:rgba(15,23,42,.94);color:#fff;padding:11px 18px;border-radius:12px;font-size:13px;
  box-shadow:0 18px 40px -18px rgba(15,23,42,.8);animation:toastIn .2s ease;
}
@keyframes toastIn{from{transform:translateY(-8px);opacity:0}to{transform:none;opacity:1}}

/* ---------------- 首页 hero ---------------- */
.hero-wrap{
  background:
    radial-gradient(1000px 380px at 12% -10%,rgba(79,70,229,.16),transparent 60%),
    radial-gradient(900px 340px at 88% 0%,rgba(124,58,237,.14),transparent 62%),
    linear-gradient(180deg,#ffffff 0%,#f7f8fc 100%);
  border-bottom:1px solid var(--line);
}
.hero{max-width:1180px;margin:0 auto;padding:74px 22px 54px;text-align:center}
.hero .pill{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:99px;padding:6px 15px;font-size:12.5px;color:var(--ink-2);box-shadow:var(--shadow-xs);margin-bottom:20px;
}
.hero h1{font-size:44px;line-height:1.2;letter-spacing:-1.8px;margin:0 0 16px}
.hero h1 b{background:linear-gradient(120deg,#4f46e5,#7c3aed 60%,#111827);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--ink-2);font-size:16px;margin:0 auto 30px;max-width:660px}
.hero .row{justify-content:center;gap:12px}
.hero .btn{padding:13px 26px;font-size:14.5px;border-radius:13px}
.langs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:0 auto 32px;max-width:760px}
.langs span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 15px;font-size:12.5px;color:var(--ink-2);box-shadow:var(--shadow-xs)}
.metrics{max-width:1180px;margin:-26px auto 0;padding:0 22px}
.metrics .grid{gap:14px}
.feat{max-width:1180px;margin:0 auto;padding:46px 22px 20px}
.feat .head{text-align:center;margin-bottom:30px}
.feat .head h2{font-size:26px;letter-spacing:-1px}
.feat .head p{color:var(--muted);margin:8px 0 0}
.ic{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;
  background:linear-gradient(135deg,#111827,#4b5563);color:#fff;margin-bottom:15px;
  box-shadow:0 12px 24px -14px rgba(17,24,39,.9);
}
.announce{max-width:1180px;margin:22px auto 0;padding:0 22px}
.cta-band{
  max-width:1180px;margin:34px auto 60px;padding:0 22px;
}
.cta-inner{
  background:linear-gradient(135deg,#0f172a,#3b3f4d 60%,#4f46e5 160%);color:#fff;border-radius:22px;
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-inner h3{font-size:21px;letter-spacing:-.6px;margin-bottom:7px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:13.5px;margin:0;max-width:520px}
.cta-inner .btn{background:#fff;color:#111827;border-color:#fff}

/* ---------------- 联系方式 ---------------- */
.contact-note{color:var(--ink-2);font-size:13.5px;margin:0 0 16px}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.contact-grid.small{grid-template-columns:1fr;gap:9px}
.contact-item{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:#fafbfe;border:1px solid var(--line);border-radius:13px;padding:12px 15px;
}
.contact-item .ci-k{font-size:12px;color:var(--muted);font-weight:700;flex:0 0 auto;min-width:62px}
.contact-item .ci-v{font-size:13.5px;color:var(--ink);font-weight:600;word-break:break-all;flex:1;min-width:0}
.contact-item .ci-a{font-size:12px;color:var(--accent);font-weight:600;flex:0 0 auto}
.contact-qr{
  background:#fafbfe;border:1px solid var(--line);border-radius:13px;padding:14px;text-align:center;
}
.contact-qr img{width:150px;height:150px;object-fit:contain;border-radius:9px;background:#fff;display:block;margin:0 auto 8px}
.contact-qr span{font-size:12px;color:var(--muted)}

/* 右下角浮动客服 */
.kc-float{position:fixed;right:20px;bottom:22px;z-index:150;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.kc-float-btn{
  display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;color:#fff;font-size:13.5px;font-weight:600;
  background:linear-gradient(135deg,#0f172a,#4f46e5);padding:12px 19px;border-radius:99px;
  box-shadow:0 18px 36px -16px rgba(15,23,42,.85);
}
.kc-float-btn em{font-style:normal}
.kc-float-btn:hover{transform:translateY(-2px)}
.kc-float-panel{
  display:none;width:300px;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.kc-float.open .kc-float-panel{display:block;animation:pop .2s ease}
.kf-head{
  display:flex;align-items:center;justify-content:space-between;padding:14px 17px;
  border-bottom:1px solid var(--line-2);font-weight:700;font-size:14px;
}
.kf-x{border:0;background:#f3f4f8;border-radius:8px;width:26px;height:26px;cursor:pointer;font-size:12px;color:var(--ink-2)}
.kf-body{padding:15px 17px;max-height:60vh;overflow:auto}
.kf-note{font-size:12.5px;color:var(--muted);margin:0 0 12px}

/* ---------------- 后台 ---------------- */
.admin{display:flex;min-height:100vh;background:var(--bg)}
.side{
  width:238px;flex:0 0 auto;background:#fff;border-right:1px solid var(--line);
  padding:18px 14px;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.side .logo{display:flex;align-items:center;gap:10px;padding:6px 10px 20px;font-weight:800;font-size:15px;color:var(--ink);text-decoration:none;letter-spacing:-.3px}
.side .logo i{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,#111827 0%,#4b5563 55%,#7c3aed 140%);display:block}
.side .grp{font-size:11px;color:var(--muted);padding:16px 10px 7px;letter-spacing:1px;text-transform:uppercase;font-weight:700}
.side a.it{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;color:var(--ink-2);
  font-size:13.5px;text-decoration:none;margin-bottom:3px;font-weight:500;
}
.side a.it:hover{background:var(--line-2);color:var(--ink);text-decoration:none}
.side a.it.on{background:linear-gradient(135deg,#0f172a,#374151);color:#fff;box-shadow:0 14px 28px -18px rgba(15,23,42,.95)}
.side a.it span{font-size:15px;width:20px;text-align:center}
.main{flex:1;min-width:0;padding:30px 30px 80px;max-width:1300px}
.topline{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.topline h1{font-size:23px;letter-spacing:-.7px}
.card table{font-size:13px}
@media(max-width:820px){
  .admin{display:block}
  .side{position:static;width:auto;height:auto;display:flex;flex-wrap:wrap;gap:4px;padding:10px;border-right:0;border-bottom:1px solid var(--line)}
  .side .logo{width:100%;padding:4px 6px 10px}
  .side .grp{display:none}
  .side a.it{margin:0}
  .main{padding:20px 15px 70px}
}

/* ---------------- 响应式 ---------------- */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .tb-inner{height:auto;padding:10px 16px;flex-wrap:wrap;gap:10px}
  .burger{display:block}
  .tb-nav{order:3;width:100%;display:none;flex-direction:column;align-items:stretch;gap:2px;padding-bottom:8px}
  body.nav-open .tb-nav{display:flex}
  .tb-nav a{padding:11px 13px}
  .tb-right{margin-left:auto}
  .page{padding:20px 16px 50px}
  .page-head h1{font-size:22px}
  .hero{padding:46px 18px 38px}
  .hero h1{font-size:30px;letter-spacing:-1px}
  .hero p{font-size:14.5px}
  .hero .btn{padding:12px 20px;font-size:14px}
  .cta-inner{padding:26px 22px}
  .cta-inner h3{font-size:19px}
  .stat .v{font-size:25px}
  .card-head,.card-body,.card-foot{padding-left:16px;padding-right:16px}
  .modal-body{padding:18px}
  .kc-float{right:14px;bottom:16px}
  .kc-float-btn em{display:none}
  .kc-float-panel{width:min(86vw,320px)}
  .kv .k{min-width:92px}
}

/* ---------------- 登录 / 注册 / 找回密码 / 解绑 单页 ---------------- */
.auth{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:44px 18px;
  background:
    radial-gradient(900px 340px at 15% 0%,rgba(79,70,229,.13),transparent 62%),
    radial-gradient(800px 320px at 85% 5%,rgba(124,58,237,.12),transparent 60%),
    linear-gradient(180deg,#ffffff,#f6f7fb 60%);
}
.auth-box{
  width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:36px 34px;box-shadow:var(--shadow);
}
.auth-box h1{font-size:23px;letter-spacing:-.7px;margin-bottom:6px}
.auth-box .sub{margin-bottom:22px;display:block;font-size:13px}
.auth-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2);
  text-align:center;color:var(--muted);font-size:12.5px;line-height:2;
}
.btn-block{width:100%;padding:13px;font-size:14.5px;border-radius:12px;margin-top:6px}
.field-inline{display:flex;gap:9px;align-items:center}
.field-inline input{flex:1;min-width:0}
.field-inline .btn{white-space:nowrap}
.contact-card{border-radius:18px}
@media(max-width:520px){
  .auth-box{padding:26px 20px;border-radius:18px}
}

/* ============================================================
   登录公告弹窗（游戏公告那种，v1.4.0）
   ============================================================ */
@keyframes gpFade{from{opacity:0}to{opacity:1}}
@keyframes gpIn{from{opacity:0;transform:translateY(18px) scale(.94)}to{opacity:1;transform:none}}
.gp-mask{
  position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(8,12,24,.62);
  -webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);
  animation:gpFade .2s ease-out;
}
.gp-mask.out{animation:gpFade .18s ease-in reverse}
.gp-panel{
  width:100%;max-width:500px;overflow:hidden;border-radius:18px;
  background:linear-gradient(180deg,#1d2434 0%,#141a28 100%);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 34px 90px -24px rgba(0,0,0,.75),inset 0 1px 0 rgba(255,255,255,.06);
  animation:gpIn .3s cubic-bezier(.2,.9,.3,1.15);
}
.gp-bar{
  display:flex;align-items:center;gap:9px;padding:13px 16px;
  background:linear-gradient(90deg,rgba(79,70,229,.42),rgba(124,58,237,.14));
  border-bottom:1px solid rgba(255,255,255,.1);
}
.gp-ico{font-size:16px;filter:drop-shadow(0 0 6px rgba(255,214,102,.55))}
.gp-bar-t{font-size:13.5px;font-weight:700;color:#f3f5ff;letter-spacing:.4px;flex:1}
.gp-x{
  border:0;background:rgba(255,255,255,.1);color:#cbd3e6;width:26px;height:26px;border-radius:8px;
  cursor:pointer;font-size:12px;line-height:1;
}
.gp-x:hover{background:rgba(255,255,255,.2);color:#fff}
.gp-body{padding:22px 22px 16px;max-height:56vh;overflow:auto}
.gp-title{
  margin:0 0 12px;font-size:17px;color:#ffd666;letter-spacing:-.2px;
  text-shadow:0 0 16px rgba(255,214,102,.25);
}
.gp-text{color:#c9d2e6;font-size:13.5px;line-height:1.85;word-break:break-word}
.gp-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;border-top:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.16);
}
.gp-tip{font-size:11.5px;color:#7c88a3}
.gp-btn{
  border:0;cursor:pointer;padding:10px 22px;border-radius:11px;font-size:13.5px;font-weight:700;color:#1b1300;
  background:linear-gradient(180deg,#ffd666,#f5a623);
  box-shadow:0 6px 18px -6px rgba(245,166,35,.7);
}
.gp-btn:hover{filter:brightness(1.06)}
@media(max-width:520px){
  .gp-panel{border-radius:14px}
  .gp-body{padding:18px 16px 12px;max-height:60vh}
  .gp-foot{padding:12px 14px}
  .gp-tip{display:none}
}

/* ============================================================
   v1.9.0 · 主页广告位（前台不可关闭，只有后台能开关）
   ============================================================ */
.ad-slot{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:0 0 20px}
body > .ad-slot{max-width:1220px;margin:26px auto 0;padding:0 20px}
.ad-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;color:var(--ink);text-decoration:none;box-shadow:var(--shadow-xs);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
a.ad-card:hover{transform:translateY(-2px);box-shadow:0 18px 38px -24px rgba(15,23,42,.45);border-color:#d8dce6;text-decoration:none}
.ad-img{display:block;width:100%;height:auto;max-height:240px;object-fit:cover;background:var(--bg-2)}
.ad-body{display:flex;flex-direction:column;gap:4px;padding:12px 14px 14px}
.ad-title{font-size:14px;letter-spacing:-.2px}
.ad-text{font-size:12.5px;line-height:1.7;color:var(--ink-2)}
.ad-badge{position:absolute;top:8px;right:8px;font-size:10.5px;line-height:1;padding:4px 7px;border-radius:6px;
  background:rgba(15,23,42,.62);color:#fff;letter-spacing:.6px;backdrop-filter:blur(2px)}
@media(max-width:640px){
  .ad-slot{grid-template-columns:1fr}
  body > .ad-slot{padding:0 14px;margin-top:18px}
  .ad-img{max-height:180px}
}