/* XHRAPI 平台全局样式（沿用落地页深空科技风） */
:root{
  --bg:#08080c; --bg-2:#0d0d14; --bg-card:#111119; --bg-card-2:#16161f;
  --border:#23232f; --border-light:#2d2d3d;
  --text:#eaeaf2; --text-2:#9a9aad; --text-3:#5a5a6a;
  --cyan:#00d4ff; --violet:#8b5cf6; --amber:#ff8c42; --emerald:#10b981; --pink:#ec4899; --red:#ef4444;
  --mono:'SF Mono','JetBrains Mono','Fira Code',ui-monospace,monospace;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:14px}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:rgba(0,212,255,.25)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px}
::-webkit-scrollbar-track{background:transparent}
.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(0,212,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.025) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 0%,transparent 75%)}
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:999;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--amber));box-shadow:0 0 12px rgba(0,212,255,.6)}

/* ============ 通用 ============ */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;border:1px solid var(--border-light);background:var(--bg-card);color:var(--text);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--sans);white-space:nowrap}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#000;border:none;font-weight:700}
.btn-primary:hover{color:#000;box-shadow:0 6px 18px rgba(0,212,255,.3)}
.btn-danger{border-color:rgba(239,68,68,.4);color:var(--red)}
.btn-danger:hover{border-color:var(--red);color:var(--red)}
.btn-success{border-color:rgba(16,185,129,.4);color:var(--emerald)}
.btn-success:hover{border-color:var(--emerald);color:var(--emerald)}
.btn-ghost{background:transparent}

input,select,textarea{font-family:var(--sans);font-size:13px;color:var(--text);background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:9px 12px;outline:none;transition:border-color .2s;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--cyan)}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--cyan);cursor:pointer}
input[type=file]{padding:7px}
label.fl{display:block;font-size:12px;color:var(--text-2);margin-bottom:6px;font-weight:600}
.field{margin-bottom:16px}
.field .err-tip{font-size:12px;color:var(--red);margin-top:5px;display:none}
.field.error input,.field.error select{border-color:var(--red)}
.field.error .err-tip{display:block}

.tag{display:inline-flex;align-items:center;padding:2px 9px;border-radius:5px;font-size:11px;font-weight:600;border:1px solid var(--border)}
.tag-cyan{color:var(--cyan);border-color:rgba(0,212,255,.25);background:rgba(0,212,255,.07)}
.tag-green{color:var(--emerald);border-color:rgba(16,185,129,.25);background:rgba(16,185,129,.07)}
.tag-amber{color:var(--amber);border-color:rgba(255,140,66,.25);background:rgba(255,140,66,.07)}
.tag-red{color:var(--red);border-color:rgba(239,68,68,.25);background:rgba(239,68,68,.07)}
.tag-violet{color:var(--violet);border-color:rgba(139,92,246,.25);background:rgba(139,92,246,.07)}
.tag-gray{color:var(--text-3);border-color:var(--border)}
.mono{font-family:var(--mono)}
.brand-mark{border-radius:8px;background:linear-gradient(135deg,rgba(0,212,255,.16),rgba(139,92,246,.14));display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 0 18px rgba(0,212,255,.16),inset 0 0 0 1px rgba(255,255,255,.06);overflow:hidden}
.brand-mark svg{width:100%;height:100%;display:block}

/* ============ 认证页 ============ */
.auth-wrap{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:420px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:36px 32px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.auth-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;margin-bottom:8px;justify-content:center}
.auth-logo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--violet));display:flex;align-items:center;justify-content:center;font-size:19px;color:#000;font-weight:900}
.auth-sub{text-align:center;font-size:13px;color:var(--text-3);margin-bottom:28px}
.auth-title{font-size:18px;font-weight:700;text-align:center;margin-bottom:22px}
.auth-alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;display:none}
.auth-alert.show{display:block}
.auth-alert.err{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.3);color:var(--red)}
.auth-alert.ok{background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.3);color:var(--emerald)}
.auth-row{display:flex;gap:10px}
.auth-row input{flex:1}
.auth-row .btn{white-space:nowrap}
.auth-foot{text-align:center;font-size:13px;color:var(--text-3);margin-top:20px}
.auth-foot a{color:var(--cyan);cursor:pointer}
.auth-agree{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-2);margin:4px 0 16px}
.auth-agree a{color:var(--cyan)}
.pw-meter{height:4px;border-radius:2px;background:var(--border);margin-top:6px;overflow:hidden}
.pw-meter i{display:block;height:100%;width:0;border-radius:2px;transition:all .3s}

/* ============ 应用布局 ============ */
.layout{display:flex;min-height:100vh;position:relative;z-index:1}
.sidebar{width:220px;background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:50;overflow-y:auto}
.sidebar-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;padding:18px 20px;border-bottom:1px solid var(--border)}
.sidebar-brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--cyan),var(--violet));display:flex;align-items:center;justify-content:center;font-size:15px;color:#000;font-weight:900}
.menu-group{padding:12px 12px 4px}
.menu-group .gt{font-size:11px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;padding:8px 10px 6px}
.menu-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:13px;color:var(--text-2);cursor:pointer;transition:all .15s;margin-bottom:2px;position:relative}
.menu-item:hover{color:var(--text);background:rgba(255,255,255,.03)}
.menu-item.active{color:var(--cyan);background:rgba(0,212,255,.07)}
.menu-item.active::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--cyan);border-radius:2px}
.menu-item .ic{width:18px;text-align:center;opacity:.85}
.sidebar-foot{margin-top:auto;padding:14px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--text-3)}
.main{flex:1;margin-left:220px;display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:40;height:60px;background:rgba(8,8,12,.8);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.topbar .crumb{font-size:15px;font-weight:700}
.topbar-right{display:flex;align-items:center;gap:14px}
.balance-chip{font-family:var(--mono);font-size:13px;color:var(--amber);padding:5px 12px;border:1px solid rgba(255,140,66,.3);border-radius:100px;background:rgba(255,140,66,.06)}
.avatar-wrap{position:relative}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#000;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;text-transform:uppercase}
.avatar-menu{position:absolute;right:0;top:44px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:6px;min-width:160px;display:none;box-shadow:0 12px 32px rgba(0,0,0,.5)}
.avatar-menu.show{display:block}
.avatar-menu a{display:block;padding:8px 12px;border-radius:6px;font-size:13px;color:var(--text-2);cursor:pointer}
.avatar-menu a:hover{background:rgba(255,255,255,.04);color:var(--text)}
.page{padding:24px;max-width:1400px;width:100%}

/* ============ 组件 ============ */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}
.card-title{font-size:15px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card-title .sub{font-size:12px;color:var(--text-3);font-weight:400}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g6{grid-template-columns:repeat(6,1fr)}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:18px;position:relative;overflow:hidden;transition:transform .2s,border-color .2s}
.stat-card:hover{transform:translateY(-2px);border-color:var(--border-light)}
.stat-card .lb{font-size:12px;color:var(--text-3);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.stat-card .vl{font-size:26px;font-weight:800;font-family:var(--mono);line-height:1.1}
.stat-card .ft{font-size:12px;color:var(--text-3);margin-top:8px}
.stat-card.c-cyan .vl{color:var(--cyan)}
.stat-card.c-violet .vl{color:var(--violet)}
.stat-card.c-amber .vl{color:var(--amber)}
.stat-card.c-green .vl{color:var(--emerald)}
.stat-card.c-red .vl{color:var(--red)}
.stat-card.c-pink .vl{color:var(--pink)}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--bg-card)}
table.tb{width:100%;border-collapse:collapse;font-size:13px;min-width:640px}
.tb th{text-align:left;padding:11px 14px;font-size:12px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,.025);border-bottom:1px solid var(--border);white-space:nowrap;cursor:pointer;user-select:none}
.tb th.sortable:hover{color:var(--cyan)}
.tb td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--text-2);vertical-align:middle}
.tb tr:last-child td{border-bottom:none}
.tb tr:hover td{background:rgba(255,255,255,.015)}
.tb .strong{color:var(--text);font-weight:600}
.tb .ops{display:flex;gap:6px;flex-wrap:wrap}
.tb .ops .btn{padding:3px 9px;font-size:12px;border-radius:5px}
.tb .row-sel{width:15px}
.tb tr.tr-warn td{background:rgba(239,68,68,.05)}

/* 筛选栏 */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.filter-bar input,.filter-bar select{width:auto;min-width:130px}
.filter-bar .sp{flex:1}
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 4px 0;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.pager .pages{display:flex;gap:6px;align-items:center}
.pager .pg{min-width:30px;height:30px;padding:0 8px;border-radius:6px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-2);font-size:12px;font-family:var(--mono);cursor:pointer;display:flex;align-items:center;justify-content:center}
.pager .pg.cur{border-color:var(--cyan);color:var(--cyan);background:rgba(0,212,255,.07)}
.pager .pg:hover:not(.cur):not(:disabled){border-color:var(--border-light);color:var(--text)}
.pager .pg:disabled{opacity:.35;cursor:not-allowed}
.pager select{width:auto;padding:4px 8px;font-size:12px}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);z-index:900;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s}
.modal{background:var(--bg-card);border:1px solid var(--border-light);border-radius:14px;width:100%;max-width:480px;max-height:86vh;overflow-y:auto;box-shadow:0 24px 60px rgba(0,0,0,.6);animation:slideUp .25s cubic-bezier(.16,1,.3,1)}
.modal.wide{max-width:760px}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--border);font-size:15px;font-weight:700}
.modal-h .x{cursor:pointer;color:var(--text-3);font-size:18px;background:none;border:none}
.modal-h .x:hover{color:var(--text)}
.modal-b{padding:22px}
.modal-f{display:flex;justify-content:flex-end;gap:10px;padding:14px 22px;border-top:1px solid var(--border)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* toast */
#toast-root{position:fixed;top:74px;right:20px;z-index:990;display:flex;flex-direction:column;gap:10px}
.toast{padding:12px 18px;border-radius:10px;font-size:13px;font-weight:600;border:1px solid;min-width:220px;max-width:380px;box-shadow:0 12px 32px rgba(0,0,0,.5);animation:slideL .3s cubic-bezier(.16,1,.3,1)}
.toast.ok{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.4);color:var(--emerald)}
.toast.err{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.4);color:var(--red)}
.toast.info{background:rgba(0,212,255,.08);border-color:rgba(0,212,255,.35);color:var(--cyan)}
.toast.warn{background:rgba(255,140,66,.1);border-color:rgba(255,140,66,.4);color:var(--amber)}
@keyframes slideL{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}

/* tabs */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:18px;flex-wrap:wrap}
.tab{padding:9px 16px;font-size:13px;font-weight:600;color:var(--text-2);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s;margin-bottom:-1px}
.tab:hover{color:var(--text)}
.tab.active{color:var(--cyan);border-bottom-color:var(--cyan)}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{padding:6px 14px;border-radius:100px;border:1px solid var(--border);font-size:12px;font-weight:600;color:var(--text-2);cursor:pointer;background:var(--bg-card);transition:all .2s}
.pill.active{border-color:var(--cyan);color:var(--cyan);background:rgba(0,212,255,.06)}

/* 描述列表 */
.kv{display:grid;grid-template-columns:150px 1fr;gap:0;font-size:13px}
.kv>div{padding:8px 12px;border-bottom:1px solid var(--border)}
.kv>div:nth-child(odd){color:var(--text-3)}
.kv>div:nth-child(even){color:var(--text)}
.kv>div:last-child,.kv>div:nth-last-child(2){border-bottom:none}

/* 复制框 */
.copy-box{display:flex;align-items:center;gap:8px;background:var(--bg-2);border:1px solid var(--border);border-radius:8px;padding:8px 12px}
.copy-box code{flex:1;font-family:var(--mono);font-size:12px;color:var(--cyan);word-break:break-all}

/* 代码块 */
.code-block{background:#0a0a12;border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:14px}
.code-block .bar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--border);background:#0d0d16}
.code-block .bar .lang{font-size:12px;color:var(--text-3);font-family:var(--mono)}
.code-block pre{padding:14px 18px;font-family:var(--mono);font-size:12px;line-height:1.8;overflow-x:auto;color:var(--text)}
.code-block .c-kw{color:var(--violet)} .code-block .c-str{color:var(--emerald)} .code-block .c-cmt{color:var(--text-3)} .code-block .c-fn{color:var(--cyan)}

/* 空状态 */
.empty{padding:48px 20px;text-align:center;color:var(--text-3);font-size:13px}
.empty .ic{font-size:34px;margin-bottom:10px;opacity:.5}

/* Playground */
.pg-layout{display:grid;grid-template-columns:260px 1fr 320px;gap:16px;align-items:start}
.pg-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px}
.pg-chat{min-height:480px;max-height:640px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;padding:6px 2px}
.msg{display:flex;gap:10px;max-width:92%}
.msg .m-av{width:30px;height:30px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .m-av{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#000}
.msg.ai .m-av{background:var(--bg-card-2);border:1px solid var(--border);color:var(--cyan)}
.msg .m-bd{background:var(--bg-card-2);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:13px;color:var(--text);white-space:pre-wrap;word-break:break-word}
.msg.user .m-bd{background:rgba(0,212,255,.06);border-color:rgba(0,212,255,.2)}
.msg .m-meta{font-size:11px;color:var(--text-3);margin-top:6px;font-family:var(--mono)}
.pg-input{display:flex;gap:10px;margin-top:14px}
.pg-input textarea{flex:1;resize:none;min-height:52px;max-height:140px;font-size:13px}
.slider-row{margin-bottom:14px}
.slider-row .sr-h{display:flex;justify-content:space-between;font-size:12px;margin-bottom:6px}
.slider-row .sr-h b{font-family:var(--mono);color:var(--cyan)}
.slider-row input[type=range]{width:100%;accent-color:var(--cyan);padding:0;height:4px}
.raw-tabs{display:flex;gap:4px;margin-bottom:10px}
.raw-box{background:#0a0a12;border:1px solid var(--border);border-radius:8px;padding:12px;font-family:var(--mono);font-size:11px;line-height:1.7;white-space:pre-wrap;word-break:break-all;color:var(--text-2);max-height:300px;overflow-y:auto}
.metric-row{display:flex;justify-content:space-between;font-size:12px;padding:7px 0;border-bottom:1px dashed var(--border)}
.metric-row:last-child{border-bottom:none}
.metric-row b{font-family:var(--mono);color:var(--amber)}

/* 开关 */
.switch{position:relative;display:inline-block;width:38px;height:20px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.switch i{position:absolute;inset:0;background:var(--border);border-radius:100px;transition:.25s;cursor:pointer}
.switch i::after{content:'';position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#fff;transition:.25s}
.switch input:checked+i{background:linear-gradient(135deg,var(--cyan),var(--violet))}
.switch input:checked+i::after{transform:translateX(18px)}
.switch-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--border);font-size:13px}
.switch-row:last-child{border-bottom:none}

/* 上传预览 */
.up-zone{border:1px dashed var(--border-light);border-radius:8px;padding:14px;text-align:center;font-size:12px;color:var(--text-3);cursor:pointer;transition:border-color .2s}
.up-zone:hover{border-color:var(--cyan)}
.up-preview{margin-top:10px;position:relative;display:inline-block}
.up-preview img{max-width:100%;max-height:120px;border-radius:8px;border:1px solid var(--border)}
.up-preview .rm{position:absolute;top:-8px;right:-8px;width:20px;height:20px;border-radius:50%;background:var(--red);color:#fff;border:none;font-size:11px;cursor:pointer;line-height:1}
.up-preview .au{font-size:11px;color:var(--text-3)}

/* 徽标数字 */
.badge-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}
.dot-green{background:var(--emerald);box-shadow:0 0 8px var(--emerald)}
.dot-red{background:var(--red);box-shadow:0 0 8px var(--red)}
.dot-amber{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.dot-gray{background:var(--text-3)}

/* 公告滚动条 */
.notice-bar{display:flex;align-items:center;gap:10px;background:rgba(0,212,255,.05);border:1px solid rgba(0,212,255,.15);border-radius:8px;padding:8px 14px;font-size:13px;margin-bottom:18px;overflow:hidden}
.notice-bar .nb-ic{color:var(--cyan)}
.notice-bar .nb-scroll{flex:1;overflow:hidden;white-space:nowrap}
.notice-bar .nb-inner{display:inline-block;animation:nb 24s linear infinite}
@keyframes nb{0%{transform:translateX(20%)}100%{transform:translateX(-100%)}}

/* 图表容器 */
.chart-box{position:relative;height:240px}
.chart-box canvas{width:100%;height:100%}

/* mini列表 */
.mini-list{display:flex;flex-direction:column;gap:0}
.mini-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 4px;border-bottom:1px dashed var(--border);font-size:13px}
.mini-item:last-child{border-bottom:none}

/* 分销 */
.invite-code{background:linear-gradient(135deg,rgba(0,212,255,.08),rgba(139,92,246,.08));border:1px solid var(--border-light);border-radius:12px;padding:20px;text-align:center}
.invite-code .link{font-family:var(--mono);font-size:14px;color:var(--cyan);word-break:break-all;margin:10px 0}

/* 响应式 */
.menu-toggle{display:none}
@media(max-width:1100px){
  .pg-layout{grid-template-columns:1fr}
  .g6{grid-template-columns:repeat(3,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .sidebar{left:-240px;transition:left .25s}
  .sidebar.open{left:0}
  .main{margin-left:0}
  .menu-toggle{display:block}
  .g2,.g3,.g4,.g6{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .g2,.g3,.g4,.g6{grid-template-columns:1fr}
  .page{padding:14px}
  .auth-card{padding:26px 20px}
}

/* ============ 公开布局（游客可见：首页/模型价格/文档） ============ */
.pub{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}
.pub-inner{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}
.pub-nav{position:sticky;top:0;z-index:50;background:rgba(8,8,12,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.pub-nav .pub-inner{display:flex;align-items:center;gap:28px;height:60px}
.pub-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;cursor:pointer;white-space:nowrap}
.pub-brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--cyan),var(--violet));display:inline-flex;align-items:center;justify-content:center;font-size:15px;color:#000;font-weight:900}
.pub-menu{display:flex;gap:4px;flex:1}
.pub-menu a{padding:7px 14px;border-radius:8px;font-size:13.5px;color:var(--text-2);cursor:pointer;font-weight:600;transition:all .2s}
.pub-menu a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.pub-menu a.on{color:var(--cyan);background:rgba(0,212,255,.08)}
.pub-cta{display:flex;align-items:center;gap:10px}
.pub-main{flex:1}
.pub-foot{border-top:1px solid var(--border);padding:28px 0;margin-top:0}
.pub-foot .pub-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:auto;flex-wrap:wrap}
.pub-fbrand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px}
.pub-fbrand .mark{width:24px;height:24px;border-radius:6px;background:linear-gradient(135deg,var(--cyan),var(--violet));display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:#000;font-weight:900}
.btn-lg{padding:12px 26px;font-size:15px;border-radius:10px}

/* Hero */
.hero{padding:88px 0 56px;text-align:center;background:radial-gradient(ellipse 60% 50% at 50% -10%,rgba(0,212,255,.12),transparent 70%),radial-gradient(ellipse 40% 40% at 80% 10%,rgba(139,92,246,.08),transparent 70%)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--border-light);border-radius:99px;font-size:12.5px;color:var(--text-2);background:var(--bg-card);margin-bottom:26px}
.badge-dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot-green{background:var(--emerald);box-shadow:0 0 8px var(--emerald);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-title{font-size:clamp(38px,6vw,64px);font-weight:900;line-height:1.12;letter-spacing:-1.5px;margin-bottom:22px}
.hero-title .grad{background:linear-gradient(120deg,var(--cyan) 10%,var(--violet) 55%,var(--pink) 95%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{max-width:640px;margin:0 auto 34px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:52px}
.hero-term{max-width:660px;margin:0 auto;text-align:left;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.ht-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid var(--border);background:var(--bg-2)}
.ht-bar i{width:11px;height:11px;border-radius:50%;background:var(--border-light)}
.ht-bar i:first-child{background:#ff5f57}.ht-bar i:nth-child(2){background:#febc2e}.ht-bar i:nth-child(3){background:#28c840}
.ht-bar span{margin-left:8px;font-size:11px;color:var(--text-3);font-family:var(--mono)}
.ht-body{padding:18px 20px;font-family:var(--mono);font-size:12.5px;line-height:1.75;color:var(--text-2);overflow-x:auto;white-space:pre}
.c-cmt{color:var(--text-3)}.c-str{color:var(--emerald)}.c-fn{color:var(--cyan)}.c-kw{color:var(--violet)}

/* 统计条 */
.stat-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-2)}
.pub-strip{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 24px;gap:16px}
.ss-item{text-align:center}
.ss-v{font-size:26px;font-weight:900;font-family:var(--mono);background:linear-gradient(120deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ss-l{font-size:12px;color:var(--text-3);margin-top:3px}

/* 区块 */
.pub-sec{padding:72px 0}
.pub-sec-alt{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec-head{margin-bottom:34px}
.sec-tag{display:inline-block;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:700;color:var(--cyan);background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.25);margin-bottom:14px}
.sec-head h2{font-size:clamp(24px,3.4vw,32px);font-weight:800;letter-spacing:-.5px}
.sec-head .sub{font-size:13px;color:var(--text-3);font-weight:400;margin-left:12px}

/* 特性卡 */
.feat-card,.step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:26px 22px;transition:all .25s;position:relative;overflow:hidden}
.feat-card:hover{border-color:rgba(0,212,255,.35);transform:translateY(-3px);box-shadow:0 14px 40px rgba(0,0,0,.35)}
.feat-ic{font-size:26px;margin-bottom:14px}
.feat-t{font-size:16px;font-weight:700;margin-bottom:9px}
.feat-d{font-size:13px;color:var(--text-2);line-height:1.8}
.step-card{padding-top:30px}

/* ============ 异步页骨架屏 / 错误态 ============ */
.sk{background:linear-gradient(90deg,var(--bg-card-2) 25%,var(--border-light) 50%,var(--bg-card-2) 75%);background-size:200% 100%;animation:sk-shimmer 1.4s ease infinite;border-radius:6px;height:14px}
@keyframes sk-shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.tb .sk{margin:2px 0}
.empty .btn{margin-top:14px}
.step-n{position:absolute;top:16px;right:18px;font-family:var(--mono);font-size:30px;font-weight:900;color:transparent;-webkit-text-stroke:1px var(--border-light)}
.step-card:hover .step-n{-webkit-text-stroke:1px rgba(0,212,255,.5)}

/* 价格预览 */
.price-preview{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.pp-head,.pp-row{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr .8fr;align-items:center;padding:13px 20px;gap:8px}
.pp-head{background:var(--bg-2);font-size:12px;color:var(--text-3);font-weight:700;border-bottom:1px solid var(--border)}
.pp-row{border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s;font-size:13.5px}
.pp-row:last-child{border-bottom:none}
.pp-row:hover{background:rgba(0,212,255,.03)}
.pp-m{display:flex;align-items:center;gap:10px;min-width:0}
.pp-m b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 底部 CTA */
.pub-cta-final{padding:84px 0;background:radial-gradient(ellipse 55% 80% at 50% 100%,rgba(139,92,246,.14),transparent 70%)}
.pub-cta-final h2{font-size:clamp(24px,3.6vw,34px);font-weight:900;letter-spacing:-.5px;margin-bottom:14px}
.pub-cta-final p{color:var(--text-2);font-size:14.5px;margin-bottom:30px}

/* 公开页响应式 */
@media(max-width:860px){
  .pub-menu{display:none}
  .pub-strip{grid-template-columns:repeat(2,1fr)}
  .hero{padding:56px 0 40px}
  .pp-head,.pp-row{grid-template-columns:1.8fr 1fr 1fr .8fr}
  .pp-head span:nth-child(4),.pp-row span:nth-child(4){display:none}
}
@media(max-width:560px){
  .pp-head,.pp-row{grid-template-columns:1.6fr 1fr 1fr}
  .pp-head span:nth-child(5),.pp-row span:nth-child(5){display:none}
  .pub-cta .btn{padding:7px 12px;font-size:12px}
}