/* styles.css — InvoiceKit 视觉层
 * 基础层 = Pico CSS v2.1.1 (MIT, 本地 pico.min.css)，通过 --pico-* 变量做品牌化；
 * 本文件在其后加载，负责：自托管字体、两栏工具布局、发票纸预览、页头/页脚、组件细节。
 * 全站零外部请求（字体、框架、pdf-lib 都在本地）。
 */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/assets/inter-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/assets/sora-latin.woff2") format("woff2");
}

:root,
[data-theme="light"] {
  /* ---- 品牌 token ---- */
  --ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --display: "Sora", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ink: #0f1c1a;
  --ink2: #4a5854;
  --ink3: #7d8a86;
  --line: #e4eae7;
  --line2: #ccd7d3;
  --bg: #f4f7f5;
  --card: #ffffff;
  --brand: #0b6b5c;
  --brand2: #075044;
  --brand-ink: #05362f;
  --brand-tint: #e9f4f1;
  --gold: #e8a33d;
  --gold-ink: #8a5a10;
  --err: #b42318;
  --warn: #96650b;
  --r: 14px;
  --r-sm: 10px;
  --max: 1180px;
  /* 容器同时带 max-width 与内边距：pad 必须是固定小值，
     写成 (100vw - max)/2 会和 max-width 重复计算，把 1180 的容器压成 920。 */
  --pad: clamp(16px, 2.4vw, 26px);
  --sh-sm: 0 1px 2px rgba(6, 42, 36, .06), 0 1px 3px rgba(6, 42, 36, .05);
  --sh: 0 2px 6px rgba(6, 42, 36, .05), 0 14px 34px -22px rgba(6, 42, 36, .38);
  --sh-lg: 0 30px 70px -34px rgba(6, 42, 36, .5), 0 3px 10px rgba(6, 42, 36, .06);

  /* ---- 把品牌 token 灌进 Pico ---- */
  --pico-font-family: var(--ui);
  --pico-font-family-sans-serif: var(--ui);
  --pico-font-size: 16px;
  --pico-line-height: 1.65;
  --pico-font-weight: 400;
  --pico-form-label-font-weight: 600;
  --pico-typography-spacing-vertical: 15px;
  --pico-block-spacing-vertical: 0;
  --pico-block-spacing-horizontal: 0;
  --pico-border-radius: var(--r-sm);
  --pico-spacing: 15px;
  --pico-form-element-spacing-vertical: .62rem;
  --pico-form-element-spacing-horizontal: .8rem;
  --pico-form-element-border-color: var(--line2);
  --pico-form-element-background-color: #fff;
  --pico-form-element-color: var(--ink);
  --pico-form-element-active-border-color: var(--brand);
  --pico-form-element-focus-color: var(--brand);
  --pico-form-element-placeholder-color: #9aa7a3;
  --pico-color: var(--ink);
  --pico-h1-color: var(--brand-ink);
  --pico-h2-color: var(--brand-ink);
  --pico-h3-color: var(--brand-ink);
  --pico-h4-color: var(--ink);
  --pico-muted-color: var(--ink3);
  --pico-muted-border-color: var(--line);
  --pico-background-color: var(--bg);
  --pico-card-background-color: var(--card);
  --pico-card-border-color: var(--line);
  --pico-card-sectioning-background-color: #fbfdfc;
  --pico-primary: var(--brand);
  --pico-primary-background: var(--brand);
  --pico-primary-border: var(--brand);
  --pico-primary-hover: var(--brand2);
  --pico-primary-hover-background: var(--brand2);
  --pico-primary-hover-border: var(--brand2);
  --pico-primary-focus: rgba(11, 107, 92, .22);
  --pico-primary-inverse: #fff;
  --pico-secondary: var(--ink2);
  --pico-secondary-background: #fff;
  --pico-secondary-border: var(--line2);
  --pico-secondary-hover-background: #f6f9f8;
  --pico-secondary-inverse: var(--ink);
  --pico-table-border-color: var(--line);
  --pico-table-row-stripped-background-color: #f8fbfa;
  --pico-accordion-border-color: var(--line);
  --pico-accordion-open-summary-color: var(--brand2);
  --pico-accordion-close-summary-color: var(--ink);
  --pico-text-selection-color: rgba(232, 163, 61, .35);
  --pico-transition: .16s ease-in-out;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--ui); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--display); letter-spacing: -.02em; line-height: 1.18; }
h1 { margin: 0 0 14px; font-weight: 800; font-size: clamp(30px, 4.4vw, 46px); letter-spacing: -.032em; max-width: 22ch; }
h2 { margin: 34px 0 12px; font-weight: 700; font-size: clamp(21px, 2.5vw, 28px); }
h3 { margin: 0 0 10px; font-weight: 700; font-size: 18px; }
p { margin: 0 0 15px; }
a { color: var(--brand2); }
a:hover { color: var(--brand); }
img { max-width: 100%; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 7px; }
table { border-collapse: collapse; width: 100%; margin: 10px 0 18px; font-size: 15px; }
.body table { table-layout: fixed; }
.body table td, .body table th { overflow-wrap: anywhere; }
th, td { border-bottom: 1px solid var(--line); padding: 9px 11px; text-align: left; vertical-align: top; }
thead th { background: #f8fbfa; font-size: 13px; letter-spacing: .02em; color: var(--ink2); }
caption { text-align: left; color: var(--ink3); font-size: 14px; padding-bottom: 7px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; color: var(--brand2); padding: 10px 16px; border-radius: 999px; z-index: 60; box-shadow: var(--sh); }

/* ---------- 页头：深色品牌条 + 独立吸顶导航条（两行分开，间距不再挤） ---------- */
.sitehd { background: linear-gradient(180deg, #075044 0%, #04322c 100%); color: #fff; }
.hd-row {
  max-width: var(--max); margin: 0 auto; padding: 18px var(--pad);
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: -.025em; }
.brand:hover { color: #fff; }
.brand .mark { border-radius: 11px; box-shadow: 0 8px 20px -10px rgba(0, 0, 0, .7); flex: 0 0 auto; }
.tag { margin: 0 0 0 4px; color: rgba(255, 255, 255, .62); font-size: 13.5px; flex: 1 1 auto; }
.hdcta {
  display: none; text-decoration: none; font-size: 14px; font-weight: 600; color: #fff;
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px; padding: 8px 16px; white-space: nowrap;
}
.hdcta:hover { background: rgba(255, 255, 255, .1); color: #fff; }
@media (min-width: 1000px) { .hdcta { display: inline-block; } }
/* 收费入口窄屏也要露出来：金色 Go Pro 胶囊在所有宽度可见（次要的 Open the generator 仍然只在宽屏） */
.hdcta.procta { display: inline-block; padding: 7px 13px; font-size: 13px; }
@media (min-width: 1000px) { .hdcta.procta { padding: 8px 16px; font-size: 14px; } }

.topnav {
  background: rgba(255, 255, 255, .96); backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 40;
  box-shadow: 0 1px 0 rgba(6, 42, 36, .03), 0 10px 24px -22px rgba(6, 42, 36, .5);
}
/* Pico 的 `nav{display:flex;justify-content:space-between}` 会把 .navin 变成收缩的 flex item
   （内容 964px 居中，跟正文左边对不齐），这里恢复成普通块级容器。 */
.topnav { display: block; }
.navin { max-width: var(--max); margin: 0 auto; padding: 12px var(--pad); overflow-x: auto; scrollbar-width: none; }
.navin::-webkit-scrollbar { display: none; }
.topnav ul { display: flex; flex-wrap: wrap; justify-content: flex-start; gap: 7px; list-style: none; margin: 0; padding: 0; }
/* Pico 的 nav ul:first-of-type{margin-left:-8px} 特异性更高，会把首枚 chip 顶到正文左边线外 8px */
.topnav ul:first-of-type, .topnav ul:last-of-type { margin-left: 0; margin-right: 0; }
/* Pico 给 header/footer nav ul li 加了内边距（特异性高），必须直接落在 li 上才能清掉 */
.topnav li { flex: 0 0 auto; padding: 0; margin: 0; }
.topnav a {
  display: block; margin: 0; padding: 8px 15px; border-radius: 999px; font-size: 14.5px; font-weight: 550;
  color: var(--ink2); text-decoration: none; white-space: nowrap; border: 1px solid transparent; transition: all .16s ease-in-out;
}
.topnav a:hover { background: var(--brand-tint); color: var(--brand2); border-color: #d7ebe5; }
.topnav .on a { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 8px 18px -12px rgba(11, 107, 92, .9); }

/* ---------- 首屏 ---------- */
.hero {
  background:
    radial-gradient(900px 340px at 8% -20%, #dcefe8 0%, rgba(220, 239, 232, 0) 62%),
    radial-gradient(700px 300px at 96% 0%, #f6ecd9 0%, rgba(246, 236, 217, 0) 55%),
    linear-gradient(180deg, #f8fbf9 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-in { max-width: var(--max); margin: 0 auto; padding: 44px var(--pad) 36px; }
.lead { font-size: clamp(16.5px, 1.5vw, 19px); line-height: 1.6; color: var(--ink2); max-width: 68ch; margin: 0 0 20px; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; list-style: none; margin: 0; padding: 0; }
.chips li {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--brand2);
  background: #fff; border: 1px solid #dbe9e4; border-radius: 999px; padding: 7px 14px 7px 11px; box-shadow: var(--sh-sm);
}
.chips li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); flex: 0 0 auto; }

main { max-width: var(--max); margin: 0 auto; padding: 30px var(--pad) 46px; }
body.plain main { max-width: 78ch; }
body.plain main h1 { margin-top: 10px; }
.modechip { display: none; }

/* ---------- 工具 ---------- */
.toolwrap { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(340px, .88fr); gap: 26px; align-items: start; }
@media (max-width: 960px) { .toolwrap { grid-template-columns: 1fr; } }

.toolform {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px 24px 20px; box-shadow: var(--sh);
}
/* 首分组不能有分隔线：表单里 .modechip（隐藏）占了第一个 div 的位置，
   :first-of-type 永远不会命中 .group，所以改用相邻选择器。 */
.group { padding-top: 0; margin-top: 0; }
.group + .group { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 20px; }
.group h3 {
  font-family: var(--display); font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--brand2); margin: 0 0 14px; display: flex; align-items: center; gap: 9px;
}
.group h3::after { content: ""; flex: 1 1 auto; height: 1px; background: linear-gradient(90deg, #dceae6, rgba(220, 234, 230, 0)); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(196px, 100%), 1fr)); gap: 14px; }
.fld { display: flex; flex-direction: column; gap: 6px; }
.fld.wide { grid-column: 1 / -1; }
label { font-family: var(--ui); font-size: 13px; font-weight: 600; color: var(--ink2); display: flex; flex-wrap: wrap; gap: 0 8px; margin: 0; }
.hint { font-weight: 400; color: var(--ink3); font-size: 12.5px; }
input, select, textarea {
  font-family: var(--ui); font-size: 15px; border-radius: var(--r-sm); width: 100%; min-width: 0;
  transition: border-color .16s ease-in-out, box-shadow .16s ease-in-out;
}
textarea { resize: vertical; line-height: 1.55; }
input[type="number"] { -moz-appearance: textfield; font-variant-numeric: tabular-nums; }
input[type="file"] { font-size: 13px; padding: 9px; background: #fbfdfc; }

.items .ihead { display: grid; grid-template-columns: minmax(0, 1fr) 66px 96px 96px 30px; gap: 9px; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink3); margin-bottom: 7px; }
.item { display: grid; grid-template-columns: minmax(0, 1fr) 66px 96px 96px 30px; gap: 9px; align-items: center; margin-bottom: 9px; }
.item .qty, .item .unit { text-align: right; font-variant-numeric: tabular-nums; }
.item .amt { font-size: 14px; font-weight: 650; color: var(--ink); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.del {
  width: 30px; height: 30px; padding: 0; border: 1px solid var(--line2); border-radius: 9px; background: #fff;
  color: var(--ink3); font-size: 18px; line-height: 1; cursor: pointer; box-shadow: none;
}
.del:hover { color: var(--err); border-color: #f0c5c1; background: #fdf3f2; }

.ghost, .primary, .mini { width: auto; display: inline-flex; align-items: center; justify-content: center; gap: 7px; font-family: var(--ui); }
.ghost { background: #fff; border: 1px solid var(--line2); border-radius: var(--r-sm); padding: 10px 15px; font-size: 14.5px; font-weight: 600; color: var(--ink2); cursor: pointer; box-shadow: var(--sh-sm); }
.ghost:hover { border-color: var(--brand); color: var(--brand2); background: #fbfdfc; }
.add { margin-top: 3px; }
.primary {
  background: linear-gradient(180deg, #0d7b69, #0a5f52); color: #fff; border: 0; border-radius: 11px;
  padding: 12px 22px; font-size: 15.5px; font-weight: 650; cursor: pointer;
  box-shadow: 0 12px 26px -14px rgba(10, 95, 82, .85);
}
.primary:hover { background: linear-gradient(180deg, #0a6857, #085046); transform: translateY(-1px); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.savenote { font-size: 13px; color: var(--ink3); margin-left: auto; }
.problems { list-style: none; margin: 14px 0 0; padding: 0; }
.problems li { list-style: none; list-style-type: none; padding: 9px 12px; border-radius: var(--r-sm); font-size: 14px; margin: 0 0 7px; }
.problems .error { background: #fdf2f1; color: var(--err); border-left: 3px solid var(--err); }
.problems .warn { background: #fdf6ea; color: var(--warn); border-left: 3px solid var(--gold); }

/* ---------- 预览：发票纸 ---------- */
.preview { position: sticky; top: 78px; }
@media (max-width: 960px) { .preview { position: static; } }
.pvbar {
  display: flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em;
  color: var(--ink3); background: rgba(255, 255, 255, .9); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 12px; padding: 8px 9px 8px 15px; margin-bottom: 12px; box-shadow: var(--sh-sm);
}
.pvtot { font-family: var(--display); font-size: 17px; font-weight: 700; letter-spacing: -.01em; color: var(--brand2); margin-right: auto; text-transform: none; }
.mini { background: var(--brand); color: #fff; border: 0; border-radius: 9px; padding: 8px 14px; font-size: 13.5px; font-weight: 650; cursor: pointer; box-shadow: 0 8px 18px -12px rgba(11, 107, 92, .9); }
.mini:hover { background: var(--brand2); }
.doc {
  background: #fff; border: 1px solid var(--line2); border-radius: var(--r); padding: 26px;
  font-size: 12.5px; line-height: 1.5; box-shadow: var(--sh-lg); color: var(--ink);
}
.dhead { display: flex; justify-content: space-between; gap: 16px; border-bottom: 3px solid var(--brand); padding-bottom: 14px; margin-bottom: 14px; }
.doc.tpl-minimal .dhead { border-bottom-width: 1px; }
/* 文案里承诺了 "Minimal - big totals"，所以这一版必须真的把合计放大、其余行压淡，
   否则四种版式只有三种有区别，属于对读者的虚假陈述。
   注意：纸面合计是 .dsum > .srow（表单侧才用 .trow），别改错对象。 */
.doc.tpl-minimal .dword { font-size: 15px; letter-spacing: .16em; }
.doc.tpl-minimal .srow { font-size: 11.5px; color: var(--ink3); }
.doc.tpl-minimal .srow.total { font-size: 22px; letter-spacing: -.01em; color: var(--ink); border-top: 1px solid var(--line2); margin-top: 8px; padding-top: 11px; }
.doc.tpl-minimal .srow.total span:last-child { color: var(--brand-ink); }
.doc.tpl-modern .dhead { background: var(--brand); color: #fff; margin: -26px -26px 16px; padding: 20px 26px 16px; border-bottom: 0; border-radius: var(--r) var(--r) 0 0; }
/* Pico 给每个 p 都显式上了 color:var(--pico-color)，会切断 .dhead 的 color:#fff 继承。
   所以绿底表头里每一个 p 都要重新声明，否则发件人地址 / 税号会变成深灰压深绿。 */
.doc.tpl-modern .dhead p { color: #fff; }
.doc.tpl-modern .dhead .dno, .doc.tpl-modern .dhead .dtag, .doc.tpl-modern .dhead .dproj { color: rgba(255, 255, 255, .82); }
/* 注意拼写：build.js 里 select 的取值是 itemized（美式 z），
   之前写成 .tpl-itemised 是一条永远不命中的死规则，四种版式其实只有三种。 */
.doc.tpl-itemized .dtab th { font-size: 10.5px; background: #eef4f2; border-bottom: 1px solid var(--line2); }
.doc.tpl-itemized .dtab { border: 1px solid var(--line); border-collapse: separate; border-spacing: 0; }
.doc.tpl-itemized .dtab tbody tr:nth-child(odd) td { background: #f8fbfa; }
.doc.tpl-itemized .dword { font-size: 16px; }
.dword { font-family: var(--display); font-size: 18px; font-weight: 800; letter-spacing: .1em; margin: 0; }
.dno { margin: 3px 0 0; color: var(--ink2); font-variant-numeric: tabular-nums; }
.dproj { margin: 5px 0 0; color: var(--ink3); }
.dh-r { text-align: right; }
.dfrom { margin: 0; }
.dtag { margin: 2px 0 0; color: var(--ink3); font-style: italic; }
.dmulti { white-space: pre-line; }
.dtaxid { margin: 4px 0 0; font-weight: 600; }
.dlogo { max-height: 46px; max-width: 132px; display: block; margin-bottom: 8px; }
.dmeta { display: flex; flex-wrap: wrap; gap: 10px 14px; margin-bottom: 16px; }
.dmeta > div { flex: 1 1 84px; min-width: 0; }
/* Bill-to 要装客户名 + 邮箱 + 地址，和日期挤一行必然把邮箱从中间劈开；
   让它独占首行，日期栏在第二行各自摊开，任何纸张宽度都不会断字。 */
.dmeta > div:first-child { flex: 1 1 100%; }
.dmeta .k { font-size: 9.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink3); margin: 0; }
.dmeta .v { margin: 2px 0 0; font-size: 12px; font-variant-numeric: tabular-nums; overflow-wrap: break-word; }
.dmeta .strong { font-weight: 700; }
.dmeta .multiline { white-space: pre-line; }
.dtab { width: 100%; font-size: 11.8px; margin: 0 0 14px; }
.dtab th { border-bottom: 1.5px solid var(--ink); padding: 6px 7px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink2); background: none; }
.dtab td { padding: 6px 7px; border-bottom: 1px solid var(--line); }
.dtab .n, .dtab th.n { text-align: right; font-variant-numeric: tabular-nums; }
.dtab td.empty { color: var(--ink3); font-style: italic; }
.dsum { margin-left: auto; width: min(100%, 268px); }
.srow { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: 12px; font-variant-numeric: tabular-nums; }
.srow.total { border-top: 1.5px solid var(--ink); margin-top: 6px; padding-top: 8px; font-weight: 800; font-size: 14px; }
.dfoot { margin-top: 18px; border-top: 1px dashed var(--line2); padding-top: 12px; }
.dfoot p { margin: 0 0 8px; font-size: 11.5px; color: var(--ink2); }
.dfoot .pay { color: var(--ink); }
.dfoot .dim { color: var(--warn); }
.dfoot .terms { margin: 0; padding-left: 16px; font-size: 11.2px; color: var(--ink2); }
.dfoot .sig { margin-top: 16px; }
.totals { margin-top: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; box-shadow: var(--sh-sm); }
.trow { display: flex; justify-content: space-between; font-size: 13.5px; padding: 4px 0; color: var(--ink2); font-variant-numeric: tabular-nums; }
.trow.big { font-family: var(--display); font-size: 17px; font-weight: 700; color: var(--brand-ink); border-top: 1px solid var(--line2); margin-top: 7px; padding-top: 10px; }

/* ---------- 正文 / FAQ / 内链 ---------- */
.body { max-width: 76ch; margin-top: 52px; padding: 0; border: 0; background: none; box-shadow: none; }
.body section { margin-bottom: 30px; }
.body h2 { position: relative; margin: 0 0 14px; padding-top: 20px; }
.body h2::before { content: ""; position: absolute; top: 0; left: 0; width: 36px; height: 3px; border-radius: 2px; background: var(--gold); }
.body section > p:last-child { margin-bottom: 0; }
.body table { font-size: 14.5px; }
/* Pico 直接给 ul li 上了 list-style:square（特异性比 .body ul 高），要覆盖就得写在 li 上 */
.body ul > li { list-style: disc; }
.body ul li::marker, .body ol li::marker { color: var(--brand); }
.faqblock { max-width: 76ch; margin-top: 10px; }
.faqblock > h2, .more > h2 { position: relative; margin: 0 0 14px; padding-top: 20px; }
.faqblock > h2::before, .more > h2::before { content: ""; position: absolute; top: 0; left: 0; width: 36px; height: 3px; border-radius: 2px; background: var(--gold); }
details { border: 1px solid var(--line); border-radius: 12px; padding: 13px 16px; margin-bottom: 10px; background: #fff; box-shadow: var(--sh-sm); }
details[open] { background: #fbfdfc; border-color: #d7e8e3; }
summary { cursor: pointer; font-family: var(--display); font-weight: 600; font-size: 15.5px; letter-spacing: -.01em; }
summary + p { margin: 11px 0 0; color: var(--ink2); }
.more { margin-top: 40px; }
.more > h2 { margin-top: 0; }
.sources { max-width: 76ch; margin-top: 34px; }
.sources > h2 { position: relative; margin: 0 0 14px; padding-top: 20px; }
.sources > h2::before { content: ""; position: absolute; top: 0; left: 0; width: 36px; height: 3px; border-radius: 2px; background: var(--gold); }
.sources > p { color: var(--ink2); }
.sources ul { list-style: none; margin: 14px 0 0; padding: 0; }
.sources li { border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--sh-sm); padding: 12px 15px; margin-bottom: 9px; }
.sources li a { font-family: var(--display); font-weight: 600; font-size: 15px; letter-spacing: -.01em; }
.sources li span { display: block; margin-top: 4px; color: var(--ink2); font-size: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(248px, 100%), 1fr)); gap: 14px; }
.card {
  display: block; border: 1px solid var(--line); border-radius: var(--r); padding: 17px 19px;
  text-decoration: none; color: var(--ink); background: #fff; box-shadow: var(--sh-sm); transition: all .16s ease-in-out;
}
.card:hover { border-color: #b9dcd3; box-shadow: var(--sh); transform: translateY(-2px); }
.card strong { display: block; font-family: var(--display); font-size: 15.5px; margin-bottom: 5px; color: var(--brand2); letter-spacing: -.01em; }
/* 不换行的空格：否则短标题卡片里箭头会掉到第二行 */
.card strong::after { content: "\00a0\00a0→"; color: var(--gold); }
.card span { font-size: 13.5px; color: var(--ink2); line-height: 1.5; }
.backlinks { margin-top: 34px; font-size: 14px; color: var(--ink3); }

/* ---------- 页脚 ---------- */
.ft { background: linear-gradient(180deg, #04322c, #031f1b); color: rgba(255, 255, 255, .74); padding: 34px 0 40px; margin-top: 20px; }
.ftin { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.ftbrand { display: flex; align-items: center; gap: 13px; }
.ftbrand .mark { border-radius: 10px; }
.ftbrand strong { display: block; font-family: var(--display); font-size: 17px; color: #fff; letter-spacing: -.02em; }
.ftbrand div > span:last-child { display: block; font-size: 13px; color: rgba(255, 255, 255, .55); }
.ft nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 20px 0 14px; padding: 0; }
.ft nav a { color: rgba(255, 255, 255, .8); text-decoration: none; font-size: 14px; margin: 0; padding: 0; }
.ft nav a:hover { color: #fff; text-decoration: underline; }
.fine { color: rgba(255, 255, 255, .5); font-size: 13px; margin: 0; max-width: 76ch; }

/* ---------- Pro：页头入口 / 定价卡 / 存档列表 / 升级弹窗 ---------- */
.hdcta.procta { background: var(--gold); color: #2a1c05; border-color: transparent; font-weight: 700; }
.hdcta.procta:hover { background: #f0be74; }
.hdcta.procta.on { background: rgba(255, 255, 255, .14); color: #cfe9e2; }

.prowrap { max-width: var(--max); margin: 0 auto; padding: 26px var(--pad) 6px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; align-items: start; }
.plan { background: var(--card); border: 1px solid var(--line2); border-radius: 18px; padding: 24px; box-shadow: var(--sh-sm); }
.plan.best { border: 1.5px solid var(--brand); box-shadow: var(--sh-lg); background: linear-gradient(180deg, #fff, #f6fbf9); }
.plan h2 { font-family: var(--display); font-size: 19px; margin: 0 0 6px; letter-spacing: -.01em; }
.price { font-family: var(--display); font-size: 40px; font-weight: 800; letter-spacing: -.03em; color: var(--brand-ink); margin: 0 0 14px; }
.price span { font-family: var(--ui); font-size: 14px; font-weight: 600; color: var(--ink3); letter-spacing: 0; }
.cyc { display: inline-flex; gap: 4px; padding: 4px; background: #eef3f1; border-radius: 11px; margin-bottom: 16px; }
.cyc button { margin: 0; padding: 7px 14px; border: 0; background: none; border-radius: 8px; font: 600 13.5px var(--ui); color: var(--ink2); cursor: pointer; }
.cyc button.on { background: #fff; color: var(--brand-ink); box-shadow: var(--sh-sm); }
.cyc em { font-style: normal; color: var(--gold-ink); font-weight: 700; }
.plist { margin: 0 0 18px; padding: 0; }
.plist li { list-style: none; position: relative; padding: 6px 0 6px 24px; font-size: 14.5px; line-height: 1.5; color: var(--ink2); border-bottom: 1px dashed var(--line); }
.plist li:last-child { border-bottom: 0; }
.plist li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 12px; height: 7px; border-left: 2.2px solid var(--brand); border-bottom: 2.2px solid var(--brand); transform: rotate(-45deg); }
.plancTA { display: block; text-align: center; text-decoration: none; }
.prostatus { font-size: 13.5px; color: var(--brand-ink); font-weight: 600; margin: 12px 0 0; min-height: 1em; }
.fineprint { font-size: 12.5px; color: var(--ink3); line-height: 1.55; margin: 12px 0 0; }

.libbox { border-top: 1px solid var(--line); }
.libnote { font-size: 12.8px; color: var(--ink3); margin: 0 0 10px; }
.libactions { margin-bottom: 10px; }
.liblist { margin: 0; padding: 0; }
.liblist li { list-style: none; display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: var(--r-sm); margin-bottom: 6px; font-size: 13.5px; background: #fbfdfc; }
.liblist li.libempty { color: var(--ink3); border-style: dashed; background: none; display: block; }
.libno { font-weight: 700; color: var(--brand-ink); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.libcl { color: var(--ink2); flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
.libam { font-variant-numeric: tabular-nums; font-weight: 650; flex: 0 0 auto; }
.linkbtn { background: none; border: 0; color: var(--brand); font: 600 13px var(--ui); cursor: pointer; padding: 2px 6px; margin: 0; border-radius: 6px; }
.linkbtn:hover { background: #eaf4f1; }
.linkbtn.del { color: var(--err); }
/* Pro 按钮：未解锁时挂一个金色小标；解锁后变普通按钮 */
.protn { position: relative; padding-right: 42px; }
.protn::after { content: "Pro"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 10.5px; font-weight: 800; letter-spacing: .04em; color: #3d2a06; background: var(--gold); border-radius: 999px; padding: 2px 7px; }
.protn.unlocked::after { content: "Pro"; background: #d8ece6; color: var(--brand-ink); }

.modal { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(4, 32, 28, .55); }
.modal[hidden] { display: none; }
.modalbox { position: relative; background: #fff; border-radius: 18px; padding: 26px 26px 22px; max-width: 470px; box-shadow: 0 26px 60px -22px rgba(3, 30, 26, .6); }
.modalbox h2 { font-family: var(--display); font-size: 22px; margin: 0 0 8px; letter-spacing: -.02em; }
.modalbox p { font-size: 14.5px; line-height: 1.6; color: var(--ink2); margin: 0 0 12px; }
.modalx { position: absolute; right: 10px; top: 8px; border: 0; background: none; font-size: 24px; line-height: 1; color: var(--ink3); cursor: pointer; margin: 0; padding: 6px; }
.upprice { color: var(--ink) !important; font-size: 15px !important; }
.upprice strong { color: var(--brand-ink); }
.upprice span { color: var(--ink3); font-size: 13.5px; }
.upcta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 4px 0 12px; }
.upcta .primary, .upcta a { margin: 0; }
.upcta a { font-size: 13.5px; color: var(--brand); text-decoration: none; font-weight: 650; }
html.modalopen, body.modalopen { overflow: hidden; }

/* ---------- Pro 版式（解锁后可选）---------- */
.doc.tpl-serif { font-family: Georgia, "Times New Roman", serif; font-size: 13px; }
.doc.tpl-serif .dword { font-family: Georgia, "Times New Roman", serif; letter-spacing: .06em; font-weight: 700; font-size: 21px; }
.doc.tpl-serif .dhead { border-bottom: 1px solid var(--ink); }
.doc.tpl-serif .dtab th { font-size: 10px; letter-spacing: .1em; }
.doc.tpl-dark .dhead { background: #16211e; color: #fff; margin: -26px -26px 16px; padding: 22px 26px 18px; border-bottom: 3px solid var(--gold); border-radius: var(--r) var(--r) 0 0; }
.doc.tpl-dark .dhead p { color: #fff; }
.doc.tpl-dark .dhead .dno, .doc.tpl-dark .dhead .dtag, .doc.tpl-dark .dhead .dproj { color: rgba(255, 255, 255, .7); }
.doc.tpl-dark .srow.total { color: var(--brand-ink); }

/* ---------- 窄屏 ---------- */
@media (max-width: 620px) {
  .hd-row { padding: 14px var(--pad); gap: 8px; }
  .tag { display: none; }
  .brand { font-size: 18px; }
  .hero-in { padding: 30px var(--pad) 26px; }
  h1 { font-size: clamp(26px, 7.4vw, 34px); }
  .toolform { padding: 18px 16px 16px; border-radius: 12px; }
  .doc { padding: 18px; }
  .doc.tpl-modern .dhead { margin: -18px -18px 14px; padding: 16px 18px 14px; }
  .ihead { display: none; }
  .item { grid-template-columns: minmax(0, 1fr) 52px 76px 26px; }
  .item .amt { grid-column: 1 / -1; text-align: left; font-size: 13px; }
  .item .del { align-self: start; }
  .actions .primary { flex: 1 1 100%; }
  .preview { top: 62px; }
}

/* ---------- 打印：只出文档本体 ---------- */
@media print {
  .sitehd, .topnav, .hero, .toolform, .totals, .more, .faqblock, .sources, .body, .ft, .actions, .problems, .lead, .chips, .pvbar, .backlinks, .skip, .libbox, .prowrap, .modal { display: none !important; }
  main { padding: 0; max-width: none; }
  .toolwrap { display: block; }
  .preview { position: static; }
  .doc { border: 0; box-shadow: none; font-size: 12pt; padding: 0; }
  .doc.tpl-modern .dhead { margin: 0 0 12px; }
}