/* 申请开票页 /invoice（2026-10-15）：结构见 php/PublicPages.php::invoicePage()，订单列表、弹窗和提交结果由 invoice.js 生成。
   在教程页外壳里引入，排在 home.css、articles.css 前面，所以页面内的选择器都带 .invoice-page；弹窗挂在 body 上，用 .iv-dialog。
   颜色沿用清绿模板：墨色 #141a16、次要 #64726a、主绿 #07734a、浅绿底 #e0f6ea、提醒琥珀 #8c4c16 / #fdf1e3。 */
.invoice-page .iv-wrap{max-width:1080px;margin:0 auto;padding:clamp(18px,2.4vw,22px) clamp(14px,3vw,24px) 56px}
.invoice-page .breadcrumb{margin-bottom:0}
.invoice-page .iv-mono,.iv-dialog .iv-mono{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
.invoice-page .iv-icon,.iv-dialog .iv-icon{flex:none;display:block}

/* 三步 */
.invoice-page .iv-steps{list-style:none;margin:18px 0 28px;padding:0;display:flex;gap:10px;flex-wrap:wrap;font-size:13px}
.invoice-page .iv-steps li{display:flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border-radius:999px;background:#e9efea;color:#64726a}
.invoice-page .iv-step-no{width:22px;height:22px;border-radius:50%;background:#fff;display:grid;place-items:center;font:600 12px/1 'JetBrains Mono',monospace}
.invoice-page .iv-steps li.is-current{background:#07734a;color:#f5faf6;font-weight:700}
.invoice-page .iv-steps li.is-current .iv-step-no{background:#f5faf6;color:#07734a}
.invoice-page .iv-steps li.is-done{background:#e0f6ea;color:#07734a}

/* 第 1 步：说明 + 查单 */
.invoice-page .iv-start{display:flex;gap:40px;flex-wrap:wrap;align-items:flex-start}
.invoice-page .iv-intro{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:16px}
.invoice-page .iv-kicker{font:600 12px/1.4 'JetBrains Mono',monospace;letter-spacing:.12em;color:#07734a}
.invoice-page .iv-intro h1{font-size:clamp(32px,4vw,40px);letter-spacing:-.02em;line-height:1.2}
.invoice-page .iv-lede{color:#64726a;font-size:16px;max-width:440px}
.invoice-page .iv-rules{margin:6px 0 0;display:grid;gap:14px}
.invoice-page .iv-rules>div{display:flex;gap:12px;align-items:flex-start}
.invoice-page .iv-rules .iv-icon{color:#07734a;margin-top:2px}
.invoice-page .iv-rules dt{font-weight:700}
.invoice-page .iv-rules dd{margin:2px 0 0;color:#64726a;font-size:14px}
/* 引导去购买（方案 A）：规则下方虚线隔开的一行灰字链接，故意做弱。 */
.invoice-page .iv-buy{margin-top:6px;padding-top:16px;border-top:1px dashed #dbe3dd;max-width:440px;font-size:14px;color:#64726a}
.invoice-page .iv-buy a{font-weight:500}
.invoice-page .iv-card{background:#fff;border:1px solid #e0e7e1;border-radius:16px}
.invoice-page .iv-query{flex:1 1 400px;min-width:0;padding:clamp(22px,3vw,32px);display:flex;flex-direction:column;gap:18px}
.invoice-page .iv-query h2{font-size:20px}
.invoice-page .iv-query label,.iv-dialog .iv-field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:700;min-width:0}
.invoice-page .iv-query input,.iv-dialog .iv-field input{height:48px;border:1px solid #dbe3dd;background:#f9fbf9;border-radius:10px;padding:0 14px;font-family:inherit;font-size:15px;font-weight:400;line-height:1.4;color:#141a16;width:100%;min-width:0}
.invoice-page .iv-query input:focus-visible,.iv-dialog input:focus-visible{outline:2px solid #0fa968;outline-offset:1px}
.invoice-page .iv-help{font-size:13px;color:#64726a}
.invoice-page .iv-error,.iv-dialog .iv-error{margin:0;padding:10px 12px;border-radius:10px;background:#fdf1e3;color:#8c4c16;font-size:14px}
.invoice-page .iv-noscript{margin-top:16px;padding:16px;border-radius:12px;background:#fdf1e3;color:#8c4c16}

/* 按钮 */
.invoice-page .iv-btn,.iv-dialog .iv-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border:0;border-radius:10px;font-family:inherit;font-size:15px;font-weight:700;line-height:1;text-decoration:none;cursor:pointer;white-space:nowrap}
.invoice-page .iv-btn-lg{height:50px;min-width:160px;padding:0 28px;font-size:16px}
.invoice-page .iv-btn-primary,.iv-dialog .iv-btn-primary{background:#07734a;color:#f5faf6}
.invoice-page .iv-btn-primary:hover,.iv-dialog .iv-btn-primary:hover{background:#0fa968;color:#fff}
.invoice-page .iv-btn-soft,.iv-dialog .iv-btn-soft{background:#e9efea;color:#141a16}
.invoice-page .iv-btn-soft:hover,.iv-dialog .iv-btn-soft:hover{background:#dde5df;color:#141a16}
.invoice-page .iv-btn:disabled,.iv-dialog .iv-btn:disabled{background:#c9d3cc;color:#f5faf6;cursor:not-allowed}
.invoice-page .iv-link{border:0;background:none;padding:6px 0;font:inherit;font-size:14px;color:#07734a;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* 第 2 步：订单列表 */
.invoice-page .iv-list-view{display:flex;flex-direction:column;gap:18px}
.invoice-page .iv-list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px 16px;flex-wrap:wrap}
.invoice-page .iv-list-head h1{font-size:clamp(24px,3vw,30px)}
.invoice-page .iv-list-head p{margin-top:6px;color:#64726a}
.invoice-page .iv-list-head p .iv-mono{color:#141a16}
.invoice-page .iv-notice{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:10px;background:#e0f6ea;color:#07734a;font-size:14px}
.invoice-page .iv-notice .iv-icon{margin-top:2px}
.invoice-page .iv-table{background:#fff;border:1px solid #e0e7e1;border-radius:16px;overflow:hidden}
.invoice-page .iv-list{list-style:none;margin:0;padding:0}
.invoice-page .iv-row{border-top:1px solid #e0e7e1}
.invoice-page .iv-row-main,.invoice-page .iv-head{display:grid;grid-template-columns:24px minmax(0,1.5fr) minmax(0,1.55fr) minmax(0,1.1fr) minmax(0,.8fr) minmax(0,1.35fr);grid-template-areas:"check name oid time amount state";gap:12px;align-items:center;padding:15px 20px;font-size:14px}
.invoice-page .iv-row-main{cursor:pointer}
.invoice-page .iv-head{border-top:0;background:#f9fbf9;color:#64726a;padding-top:11px;padding-bottom:11px}
.invoice-page .iv-head .iv-cell:nth-child(1){grid-area:check}
.invoice-page .iv-head .iv-cell:nth-child(2){grid-area:name}
.invoice-page .iv-head .iv-cell:nth-child(3){grid-area:oid}
.invoice-page .iv-head .iv-cell:nth-child(4){grid-area:time}
.invoice-page .iv-head .iv-cell:nth-child(5){grid-area:amount}
.invoice-page .iv-head .iv-cell:nth-child(6){grid-area:state}
.invoice-page .iv-check{grid-area:check;width:18px;height:18px;margin:0;accent-color:#07734a;cursor:pointer}
.invoice-page .iv-check:disabled{cursor:not-allowed}
.invoice-page .iv-name{grid-area:name;font-weight:700;overflow-wrap:anywhere}
.invoice-page .iv-qty{font-weight:400;color:#64726a}
.invoice-page .iv-oid{grid-area:oid;font-size:13px;color:#64726a;overflow-wrap:anywhere}
.invoice-page .iv-time{grid-area:time;font-size:13px}
.invoice-page .iv-m-label{display:none}
.invoice-page .iv-amount{grid-area:amount;text-align:right;font-weight:600}
.invoice-page .iv-amount.is-strike{text-decoration:line-through}
.invoice-page .iv-state{grid-area:state;display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;padding-left:12px}
.invoice-page .iv-row.is-on{background:#f2fbf6}
.invoice-page .iv-row.is-off .iv-row-main{cursor:default;color:#64726a}
.invoice-page .iv-row.is-off .iv-name{font-weight:400}
.invoice-page .iv-row.is-expired .iv-row-main{color:#a5b0a9}
.invoice-page .iv-row.is-expired .iv-oid{color:#a5b0a9}
.invoice-page .iv-ok{color:#07734a}
.invoice-page .iv-muted{font-size:13px}
.invoice-page .iv-sub,.iv-dialog .iv-sub{font-size:12.5px;color:#64726a}
.invoice-page .iv-badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:13px;background:#e9efea;color:#141a16;white-space:nowrap}
.invoice-page .iv-badge.is-green{background:#e0f6ea;color:#07734a}
.invoice-page .iv-badge.is-warn{background:#fdf1e3;color:#8c4c16}
.invoice-page .iv-rejected{margin:-6px 20px 14px 56px;padding:8px 12px;border-radius:8px;background:#fdf1e3;color:#8c4c16;font-size:13px}
.invoice-page .iv-all{display:none;padding:12px 16px;background:#f9fbf9;font-size:14px}
.invoice-page .iv-all label{display:flex;align-items:center;gap:10px;cursor:pointer}
.invoice-page .iv-all input{width:18px;height:18px;margin:0;accent-color:#07734a}
.invoice-page .iv-head-check{display:flex;align-items:center;cursor:pointer}
.invoice-page .iv-head-check input{width:18px;height:18px;margin:0;accent-color:#07734a;cursor:pointer}
.invoice-page .iv-empty{padding:40px 20px;text-align:center;color:#64726a;background:#fff;border:1px dashed #c9d3cc;border-radius:16px}
.invoice-page .iv-bar{position:sticky;bottom:0;z-index:5;margin-top:4px;background:#fff;border:1px solid #e0e7e1;border-radius:14px;box-shadow:0 -6px 24px rgba(20,26,22,.08)}
.invoice-page .iv-bar-in{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;padding:14px 20px}
.invoice-page .iv-bar-sum{margin-right:auto;display:flex;align-items:baseline;gap:6px 18px;flex-wrap:wrap}
.invoice-page .iv-bar-sum strong{font-size:18px}
.invoice-page .iv-big,.iv-dialog .iv-big{font-size:24px;font-weight:600;color:#07734a;line-height:1.2}

/* 提交成功 */
.invoice-page .iv-done{max-width:560px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.invoice-page .iv-done-icon{width:64px;height:64px;border-radius:50%;background:#e0f6ea;color:#07734a;display:grid;place-items:center}
.invoice-page .iv-done h1{font-size:clamp(24px,3vw,30px)}
.invoice-page .iv-done .iv-lede{max-width:none;font-size:15px}
.invoice-page .iv-done .iv-lede strong{color:#141a16}
.invoice-page .iv-done-dl{width:100%;margin:4px 0 0;background:#fff;border:1px solid #e0e7e1;border-radius:14px;padding:4px 18px;text-align:left}
.invoice-page .iv-done-dl>div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid #e0e7e1}
.invoice-page .iv-done-dl>div:first-child{border-top:0}
.invoice-page .iv-done-dl dt{color:#64726a;flex:none}
.invoice-page .iv-done-dl dd{margin:0;text-align:right;overflow-wrap:anywhere}
.invoice-page .iv-green{color:#07734a;font-weight:600}
.invoice-page .iv-done-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:6px}

/* 开票说明 */
.invoice-page .iv-notes{margin-top:40px;padding:clamp(20px,3vw,28px);background:#fff;border:1px solid #e0e7e1;border-radius:16px}
.invoice-page .iv-notes h2{font-size:20px}
.invoice-page .iv-notes ul{margin:12px 0 0;padding-left:20px;display:grid;gap:8px;color:#3c4740;font-size:14.5px;line-height:1.7}

/* 第 3 步：发票信息弹窗 */
.iv-dialog{width:min(640px,calc(100vw - 32px));max-width:none;max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);padding:0;border:0;border-radius:18px;background:#fff;color:#141a16;box-shadow:0 24px 64px rgba(20,26,22,.28);overflow:auto;font-family:'Noto Sans SC',system-ui,sans-serif;font-size:15px;line-height:1.55}
.iv-dialog::backdrop{background:rgba(20,26,22,.56)}
.iv-dialog .iv-form{display:flex;flex-direction:column;min-height:100%}
.iv-dialog .iv-dialog-head{position:sticky;top:0;z-index:1;background:#fff;padding:18px 24px 14px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #e0e7e1}
.iv-dialog h2{margin:0 auto 0 0;font-size:20px;font-weight:900;letter-spacing:-.02em}
.iv-dialog .iv-close{width:44px;height:44px;border:0;border-radius:10px;background:#e9efea;color:#141a16;display:grid;place-items:center;cursor:pointer}
.iv-dialog .iv-dialog-body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:20px}
.iv-dialog .iv-summary{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px 16px;padding:14px 16px;border-radius:12px;background:#f9fbf9;border:1px solid #e0e7e1}
.iv-dialog .iv-summary>div:first-child{min-width:0}
.iv-dialog .iv-ids{overflow-wrap:anywhere}
.iv-dialog .iv-summary-amount{text-align:right}
.iv-dialog fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;min-width:0}
.iv-dialog legend{padding:0;margin-bottom:12px;font-size:13px;font-weight:700;color:#07734a;letter-spacing:.06em}
.iv-dialog .iv-seg{display:flex;gap:8px}
.iv-dialog .iv-seg label{flex:1;min-height:46px;border-radius:10px;border:1px solid #dbe3dd;background:#f9fbf9;display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;color:#64726a;cursor:pointer}
.iv-dialog .iv-seg label.is-on{border:2px solid #07734a;background:#f2fbf6;color:#07734a;font-weight:700}
.iv-dialog .iv-seg input{accent-color:#07734a;margin:0}
.iv-dialog .iv-field input.iv-mono{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:14px;letter-spacing:.04em}
.iv-dialog .iv-more{border:1px dashed #dbe3dd;border-radius:10px;padding:12px 14px}
.iv-dialog .iv-more summary{font-size:14px;color:#07734a;cursor:pointer}
.iv-dialog .iv-more[open] summary{margin-bottom:12px}
.iv-dialog .iv-more .iv-field{font-weight:400;font-size:13px}
.iv-dialog .iv-more .iv-field input{height:42px}
.iv-dialog .iv-grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.iv-dialog .iv-warn{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:#fdf1e3;border:1px solid #f0d9c4;color:#8c4c16;font-size:14px}
.iv-dialog .iv-warn .iv-icon{margin-top:1px}
.iv-dialog .iv-dialog-foot{position:sticky;bottom:0;margin-top:auto;padding:14px 24px;border-top:1px solid #e0e7e1;background:#f9fbf9;display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}

@media (max-width:760px){
  .invoice-page .iv-head{display:none}
  .invoice-page .iv-all{display:block}
  .invoice-page .iv-row-main{grid-template-columns:22px minmax(0,1fr) auto;grid-template-areas:"check name amount" ". oid oid" ". time time" ". state state";gap:4px 12px;padding:14px 16px}
  .invoice-page .iv-check{align-self:start;margin-top:3px}
  .invoice-page .iv-oid,.invoice-page .iv-time{font-size:12px;color:#64726a}
  .invoice-page .iv-m-label{display:inline;font-family:'Noto Sans SC',system-ui,sans-serif}
  .invoice-page .iv-state{padding-left:0;margin-top:2px}
  .invoice-page .iv-rejected{margin:-4px 16px 14px 50px}
  .invoice-page .iv-bar{border-radius:14px 14px 0 0;margin-left:calc(-1 * clamp(14px,3vw,24px));margin-right:calc(-1 * clamp(14px,3vw,24px))}
  .invoice-page .iv-bar-in{padding:12px 16px calc(12px + env(safe-area-inset-bottom))}
  .invoice-page .iv-bar-sum{flex-direction:column;gap:0}
  .invoice-page .iv-bar .iv-btn-lg{min-width:0;padding:0 24px}
}
@media (max-width:600px){
  .invoice-page .iv-start{gap:28px}
  .invoice-page .iv-steps{gap:6px;flex-wrap:nowrap;font-size:12px}
  .invoice-page .iv-steps li{padding:5px 9px 5px 5px;gap:5px;white-space:nowrap}
  .invoice-page .iv-step-no{width:20px;height:20px;font-size:11px}
  .iv-dialog{width:100%;max-width:100%;margin:auto 0 0;border-radius:20px 20px 0 0;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px)}
  .iv-dialog .iv-dialog-head{padding:14px 16px 12px}
  .iv-dialog .iv-dialog-body{padding:16px}
  .iv-dialog .iv-grid2{grid-template-columns:minmax(0,1fr)}
  .iv-dialog .iv-dialog-foot{padding:12px 16px calc(12px + env(safe-area-inset-bottom))}
  .iv-dialog .iv-dialog-foot .iv-btn{flex:1}
}