/* ═══════════════════════════════════════════════════════════════
   能工智人 v2 多页：落地页 / 对话页 / 控制台 / 须知弹窗
   延续 artisan.css 的构成主义方角红调
   ═══════════════════════════════════════════════════════════════ */

/* ──────── 落地页 ──────── */
.ia-land{position:relative;min-height:calc(100vh - 220px);display:flex;align-items:center;justify-content:center;padding:48px var(--pad-x) 80px;overflow:hidden}
.ia-land-bg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:46px 46px;
  mask-image:radial-gradient(620px 420px at 50% 42%,#000,transparent 78%);-webkit-mask-image:radial-gradient(620px 420px at 50% 42%,#000,transparent 78%)}
.ia-land-inner{position:relative;z-index:1;max-width:880px;width:100%;text-align:center}
.ia-land-kicker{display:inline-flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--rust-3)}
.ia-land-kicker i{width:6px;height:6px;background:var(--rev);animation:iaBlink 1.4s steps(1) infinite}
.ia-land-title{margin:22px 0 0;line-height:.94}
.ia-land-zh{font-family:var(--cn);font-weight:900;font-size:clamp(54px,11vw,124px);letter-spacing:.02em;color:var(--ink-0);display:inline-flex;gap:.02em}
.ia-land-zh span{display:inline-block;animation:iaWedge .7s var(--ease-sweep) both}
.ia-land-zh span:nth-child(2){color:var(--rev)}
.ia-land-zh span:nth-child(1){animation-delay:.02s}.ia-land-zh span:nth-child(2){animation-delay:.1s}.ia-land-zh span:nth-child(3){animation-delay:.18s}.ia-land-zh span:nth-child(4){animation-delay:.26s}
.ia-land-en{margin:14px 0 0;font-family:var(--mono);font-size:clamp(11px,1.4vw,14px);letter-spacing:.42em;color:var(--ink-2)}
.ia-land-tagline{margin:26px auto 0;font-family:var(--cn);font-size:clamp(14px,1.7vw,18px);color:var(--ink-1);max-width:560px;line-height:1.75}
.ia-land-tagline b{color:var(--rev);font-weight:700}.ia-land-tagline em{font-style:normal;color:var(--ink-0)}
.ia-land-stat{margin:22px 0 0;font-family:var(--mono);font-size:12px;color:var(--ink-2);letter-spacing:.04em;display:inline-flex;align-items:center;gap:8px}
.ia-land-stat .dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:iaBlink 1.5s steps(1) infinite}
.ia-land-stat span[id]{color:var(--green)}
.ia-cards{margin:40px auto 0;display:grid;grid-template-columns:1fr;gap:16px;max-width:760px}
@media(min-width:680px){.ia-cards{grid-template-columns:1fr 1fr}}
.ia-card{position:relative;display:block;text-align:left;text-decoration:none;border:1px solid var(--line);background:var(--bg-1);padding:28px 26px 24px;overflow:hidden;cursor:pointer;transition:background .25s,transform .35s var(--ease-out-q)}
.ia-card::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:2px;background:var(--rev);transition:left .55s var(--ease-sweep)}
.ia-card:hover{background:var(--bg-2);transform:translateY(-3px)}
.ia-card:hover::before{left:100%}
.ia-card-no{display:block;font-family:var(--mono);font-size:11px;color:var(--rust-3);letter-spacing:.2em;margin-bottom:14px}
.ia-card-h{font-family:var(--cn);font-weight:700;font-size:clamp(20px,2.4vw,26px);color:var(--ink-0);margin-bottom:10px}
.ia-card-p{font-family:var(--cn);font-size:13.5px;color:var(--ink-1);line-height:1.7;min-height:3.4em}
.ia-card-foot{display:inline-flex;align-items:center;gap:10px;margin-top:18px;font-family:var(--mono);font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.ia-card:hover .ia-card-foot{color:var(--rev)}
.ia-card:hover .ia-card-foot .ia-arr{transform:translateX(4px)}
.ia-card-foot .ia-arr{transition:transform .3s var(--ease-out-q)}
.ia-land-foot{margin:40px 0 0;font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase}

/* ──────── 须知弹窗 ──────── */
.ia-notice-mask{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;padding:24px;animation:iaFade .3s ease}
.ia-claude .ia-notice-mask{background:rgba(240,238,230,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
@keyframes iaFade{from{opacity:0}to{opacity:1}}
.ia-notice{width:min(560px,94vw);background:var(--bg-1);border:1px solid var(--line-2);animation:iaPanelIn .4s var(--ease-out-q) both;max-height:90vh;display:flex;flex-direction:column}
.ia-notice-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.14em;color:var(--rust-3);background:var(--bg-2)}
.ia-notice-x{cursor:pointer;color:var(--ink-2);font-size:18px;line-height:1}
.ia-notice-x:hover{color:var(--rev)}
.ia-notice-body{padding:24px 24px 18px;overflow:auto;font-size:14px;color:var(--ink-1);line-height:1.75}
.ia-notice-body b{color:var(--ink-0)}
.ia-notice-body p{margin-bottom:14px}
.ia-notice-body ul{list-style:none;margin:0 0 18px;padding:0}
.ia-notice-body li{position:relative;padding-left:18px;margin-bottom:12px;font-size:13.5px}
.ia-notice-body li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--rev)}
.ia-notice-body a{color:var(--rust-3);text-decoration:underline}
.ia-notice-check{display:flex;align-items:flex-start;gap:11px;cursor:pointer;padding:14px;border:1px solid var(--line);background:var(--bg-0);font-size:13px;color:var(--ink-0)}
.ia-notice-check input{position:absolute;opacity:0;width:0;height:0}
.ia-check-box{flex:none;width:18px;height:18px;border:1px solid var(--line-3);margin-top:1px;position:relative;transition:background .2s,border-color .2s}
.ia-notice-check input:checked + .ia-check-box{background:var(--rev);border-color:var(--rev)}
.ia-notice-check input:checked + .ia-check-box::after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid var(--bone);border-width:0 2px 2px 0;transform:rotate(45deg)}
.ia-notice-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end}
.ia-notice-foot .ia-btn{justify-content:center}

/* ──────── 对话页 ──────── */
.ia-chat{max-width:980px;margin:0 auto;padding:0 var(--pad-x);min-height:calc(100vh - 150px);display:flex;flex-direction:column}
.ia-chat-top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0 18px;flex-wrap:wrap}
.ia-chat-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--cn);font-weight:700;font-size:16px;color:var(--ink-0)}
.ia-chat-console{font-family:var(--mono);font-size:11px;color:var(--ink-2);text-decoration:none;letter-spacing:.04em}
.ia-chat-console:hover{color:var(--rev)}
.ia-modeswitch{position:relative;display:flex;gap:0;border:1px solid var(--line-2);background:var(--bg-1)}
.ia-mode{position:relative;background:none;border:0;cursor:pointer;padding:10px 20px;text-align:center;border-right:1px solid var(--line);transition:background .2s}
.ia-mode:last-of-type{border-right:0}
.ia-mode:hover{background:var(--hover-fill)}
.ia-mode-i{display:block;font-size:13px;color:var(--ink-3);transition:color .2s}
.ia-mode-t{display:block;font-family:var(--cn);font-weight:600;font-size:14px;color:var(--ink-2);margin-top:3px;transition:color .2s}
.ia-mode-d{display:block;font-size:9px;color:var(--ink-3);letter-spacing:.04em;margin-top:3px}
.ia-mode.is-active .ia-mode-t{color:var(--ink-0)}
.ia-mode.is-active .ia-mode-i{color:var(--rev)}
.ia-mode-ink{position:absolute;bottom:-1px;height:2px;background:var(--rev);left:0;width:50%;transition:left .4s var(--ease-sweep),width .4s var(--ease-sweep)}
.ia-pane{display:none;flex:1;flex-direction:column;animation:iaPanelIn .45s var(--ease-out-q) both}
.ia-pane.is-active{display:flex}
#pane-user{padding-bottom:24px}
#ask-stage{flex:1;border:1px solid var(--line);border-bottom:0;background:var(--bg-0)}
.ia-composer--float{border:1px solid var(--line)}

/* 注册卡 */
.ia-reg{max-width:640px;margin:10px auto 40px;border:1px solid var(--line);padding:clamp(22px,4vw,38px);background:var(--bg-1)}
.ia-reg-head h2{font-family:var(--cn);font-weight:700;font-size:clamp(20px,3vw,28px);color:var(--ink-0);margin-bottom:10px}
.ia-reg-head p{font-family:var(--cn);font-size:13px;line-height:1.7;margin-bottom:24px}
.ia-reg-submit{width:100%;justify-content:center;padding:15px}
.ia-reg-msg{text-align:center;font-family:var(--mono);font-size:12px;margin-top:14px;min-height:1.2em;color:var(--green)}
.ia-reg-msg.err{color:var(--rev)}
.ia-desk{padding:6px 0 40px}
.ia-desk-edit{margin-left:8px;background:none;border:1px solid var(--line-2);color:var(--ink-2);font-family:var(--mono);font-size:11px;padding:7px 12px;cursor:pointer;transition:color .2s,border-color .2s}
.ia-desk-edit:hover{color:var(--ink-0);border-color:var(--line-3)}

/* ──────── 控制台 ──────── */
.ia-con{max-width:var(--maxw);margin:0 auto;padding:26px var(--pad-x) 90px}
.ia-con-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:26px}
.ia-con-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--rust-3)}
.ia-con-eyebrow::before{content:"";width:24px;height:1px;background:var(--rust)}
.ia-con-title{font-family:var(--cn);font-weight:700;font-size:clamp(26px,3.4vw,40px);color:var(--ink-0);margin:12px 0 8px}
.ia-con-sub{font-family:var(--cn);font-size:14px;color:var(--ink-1);max-width:620px;line-height:1.7}
.ia-con-toconv{font-family:var(--mono);font-size:12px;color:var(--ink-2);text-decoration:none;white-space:nowrap}
.ia-con-toconv:hover{color:var(--rev)}
.ia-con-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);margin-bottom:24px}
@media(min-width:680px){.ia-con-stats{grid-template-columns:repeat(3,1fr)}}
@media(min-width:980px){.ia-con-stats{grid-template-columns:repeat(6,1fr)}}
.ia-con-stat{padding:18px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-1)}
.ia-con-stat-v{display:block;font-family:var(--mono);font-size:26px;font-weight:600;color:var(--ink-0);font-variant-numeric:tabular-nums;line-height:1}
.ia-con-stat:nth-child(1) .ia-con-stat-v{color:var(--amber)}
.ia-con-stat:nth-child(2) .ia-con-stat-v{color:var(--green)}
.ia-con-stat-k{display:block;margin-top:8px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.ia-con-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-bottom:20px}
@media(min-width:920px){.ia-con-grid{grid-template-columns:1fr 1fr}}
.ia-con-grid,.ia-con-card,.ia-con-keys,.ia-con-dir,.ia-code,.ia-code-note{min-width:0}
.ia-con-card{border:1px solid var(--line);background:var(--bg-0)}
.ia-con-card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--bg-1)}
.ia-con-card-head h2{font-family:var(--cn);font-weight:600;font-size:16px;color:var(--ink-0)}
.ia-con-mini{padding:8px 14px;font-size:13px}
.ia-con-keys{padding:14px 16px}
.ia-keyrow{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:13px 14px;border:1px solid var(--line);border-left:2px solid var(--rev);background:var(--bg-1);margin-bottom:10px}
.ia-keyrow-main{display:flex;align-items:center;gap:12px;flex-wrap:wrap;flex:1;min-width:200px}
.ia-keyrow-name{font-family:var(--cn);font-weight:600;color:var(--ink-0);font-size:14px}
.ia-keyrow-prefix{font-family:var(--mono);font-size:12px;color:var(--ink-2);background:var(--bg-0);padding:3px 8px;border:1px solid var(--line)}
.ia-keyrow-meta{font-size:11px;color:var(--ink-3);letter-spacing:.02em;width:100%;font-family:var(--mono)}
.ia-keyrow-del{background:none;border:1px solid var(--line-2);color:var(--ink-2);font-family:var(--mono);font-size:11px;padding:6px 11px;cursor:pointer;transition:color .2s,border-color .2s}
.ia-keyrow-del:hover{color:var(--rev);border-color:var(--rev-soft)}
.ia-code-tabs{display:flex;gap:0;border-bottom:1px solid var(--line)}
.ia-code-tab{background:none;border:0;border-right:1px solid var(--line);cursor:pointer;font-family:var(--mono);font-size:12px;color:var(--ink-2);padding:11px 18px;transition:color .2s,background .2s}
.ia-code-tab:hover{background:var(--hover-fill)}
.ia-code-tab.is-active{color:var(--ink-0);background:var(--bg-1);box-shadow:inset 0 -2px 0 var(--rev)}
.ia-code{margin:0;padding:18px 20px;overflow:auto;background:var(--bg-0);max-height:340px}
.ia-code code{font-family:var(--mono);font-size:12.5px;line-height:1.7;color:var(--ink-1);white-space:pre;display:block}
.ia-code-note{padding:12px 20px;border-top:1px solid var(--line);font-size:11px;color:var(--ink-3);line-height:1.6;font-family:var(--mono)}
.ia-code-note b{color:var(--rust-3)}.ia-code-note code{color:var(--ink-1);background:var(--bg-1);padding:1px 6px}
.ia-con-dir{padding:14px 16px;display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:760px){.ia-con-dir{grid-template-columns:1fr 1fr}}
.ia-dir-row{display:flex;align-items:flex-start;gap:12px;padding:13px 14px;border:1px solid var(--line);background:var(--bg-1)}
.ia-dir-av{flex:none;width:34px;height:34px;display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:13px;background:var(--rev);color:var(--bone);overflow:hidden}
.ia-dir-av img{width:100%;height:100%;object-fit:cover}
.ia-dir-main{flex:1;min-width:0}
.ia-dir-name{font-family:var(--cn);font-weight:600;font-size:14px;color:var(--ink-0);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ia-dir-busy{font-size:10px;color:var(--amber);border:1px solid var(--amber-soft);padding:1px 6px}
.ia-dir-idle{font-size:10px;color:var(--green);border:1px solid var(--green-soft);padding:1px 6px}
.ia-dir-head{display:block;font-family:var(--cn);font-size:12px;color:var(--ink-2);margin-top:4px}
.ia-dir-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}
.ia-dir-tag{font-family:var(--mono);font-size:10.5px;color:var(--rust-3);background:var(--bg-0);border:1px solid var(--line);padding:2px 7px}
.ia-dir-rate{flex:none;text-align:right;font-family:var(--mono);font-size:12px;color:var(--amber)}
.ia-dir-rate span{display:block;font-size:10px;color:var(--ink-3);margin-top:3px}
.ia-con-foot{margin-top:24px;font-family:var(--mono);font-size:11px;color:var(--ink-3);line-height:1.7;letter-spacing:.02em}

/* 创建密钥弹窗内 */
.ia-keymodal .ia-field{margin-bottom:0}
.ia-key-warn{font-size:13px;color:var(--ink-1);margin-bottom:14px}
.ia-key-warn b{color:var(--rev)}
.ia-key-reveal{display:flex;align-items:stretch;gap:0;border:1px solid var(--rev-soft);background:var(--bg-0)}
.ia-key-reveal code{flex:1;font-family:var(--mono);font-size:12px;color:var(--amber);padding:12px 14px;word-break:break-all;line-height:1.5}
.ia-key-copy{flex:none;background:var(--rev);color:var(--bone);border:0;font-family:var(--mono);font-size:12px;padding:0 18px;cursor:pointer}
.ia-key-copy:hover{background:var(--bone);color:var(--ink-rev)}

@media(max-width:640px){
  .ia-con{max-width:100%;padding-left:16px;padding-right:16px;overflow-x:hidden}
  .ia-con-grid{grid-template-columns:minmax(0,1fr)}
  .ia-con-card-head{flex-wrap:wrap;padding:14px}
  .ia-con-keys,.ia-con-dir{padding:12px}
  .ia-keyrow-main{min-width:0}
  .ia-code-tabs{overflow-x:auto}
  .ia-code{padding:14px 12px}
  .ia-code-note{padding:10px 12px;overflow-wrap:anywhere}
}