/* 如化智能 · afterai.com.cn
   白纸、黑字、一种无衬线字（系统字，国内照样加载），一个蓝色的方格。
   方格 = 一个写满了的字格：中文一字一格，瑞士网格一格一格——标志、步骤、焦点都用它，别的地方不用颜色。 */

:root {
  --paper: #ffffff;
  --ink: #000000;
  --grey: #666666;
  --hair: #cfcfcf;
  --cell: #0a2fb4;
  --wrong: #b3261e;
  --font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
          "Source Han Sans SC", "WenQuanYi Micro Hei", sans-serif;
  --pad: 20px;
  --gap: 16px;
  --cols: 4;
  color-scheme: light;
}
@media (min-width: 760px) { :root { --pad: 40px; --gap: 24px; --cols: 12; } }
@media (min-width: 1280px) { :root { --pad: 64px; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.75 var(--font);
  letter-spacing: .01em;
  font-feature-settings: "palt" 0;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }

/* 网格：手机 4 栏，电脑 12 栏；内容一律左对齐 */
.grid {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  column-gap: var(--gap);
  padding: 0 var(--pad);
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  align-content: start;
}
.span-all { grid-column: 1 / -1; }

/* 字格 */
.cell {
  display: inline-block;
  width: .82em;
  height: .82em;
  background: var(--cell);
  vertical-align: -.07em;
  margin-right: .18em;
  flex: none;
}

a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .28em; }
a:hover { color: var(--cell); }
:focus-visible { outline: 2px solid var(--cell); outline-offset: 3px; }

/* 页头 */
.top { padding-top: 22px; padding-bottom: 22px; align-items: baseline; }
.brand { grid-column: 1 / span 2; font-size: 16px; font-weight: 500; text-decoration: none; white-space: nowrap; }
.brand:hover { color: var(--ink); }
.nav { grid-column: 3 / -1; justify-self: end; display: flex; gap: 22px; font-size: 15px; }
.nav a { text-decoration: none; }
.nav a[aria-current="page"] { text-decoration: underline; }
@media (min-width: 760px) { .brand { grid-column: 1 / span 4; } .nav { grid-column: 5 / -1; gap: 32px; } }

/* 首页 */
.hero { padding-top: 14vh; padding-bottom: 9vh; }
.hero h1 {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 300;
  font-size: clamp(56px, 11vw, 144px);
  line-height: 1;
  letter-spacing: .02em;
  white-space: nowrap;
}
.hero p { grid-column: 1 / -1; margin: .9em 0 0; font-size: clamp(20px, 2.4vw, 28px); line-height: 1.5; font-weight: 400; }
@media (min-width: 760px) { .hero p { grid-column: 1 / span 8; } }

.facts { padding-bottom: 72px; }
.facts .wrap { grid-column: 1 / -1; }
.facts dl { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr); column-gap: var(--gap); }
.facts dt, .facts dd { margin: 0; }
.facts dt { color: var(--grey); padding-top: 18px; border-top: 1px solid var(--ink); }
.facts dd { padding: 2px 0 18px; }
.facts .act { margin-top: 40px; display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
@media (min-width: 760px) {
  .facts .wrap { grid-column: 1 / span 10; }
  .facts dl { grid-template-columns: minmax(0, 3fr) minmax(0, 7fr); }
  .facts dt { padding-bottom: 18px; }
  .facts dd { padding-top: 18px; border-top: 1px solid var(--ink); }
  .facts .act { margin-left: calc(30% + var(--gap) * .7); }
}

/* 表单页 */
.page { padding-top: 9vh; padding-bottom: 96px; }
.page h1 { grid-column: 1 / -1; margin: 0; font-weight: 300; font-size: clamp(36px, 5vw, 56px); line-height: 1.15; letter-spacing: .02em; }
.lead { grid-column: 1 / -1; margin: 14px 0 0; color: var(--grey); }
@media (min-width: 760px) { .lead { grid-column: 1 / span 7; } }

form, .block { grid-column: 1 / -1; margin-top: 56px; }
@media (min-width: 760px) { form, .block { grid-column: 1 / span 9; } }

fieldset { border: 0; margin: 0 0 40px; padding: 0; min-width: 0; }
legend { padding: 0; margin-bottom: 4px; font-weight: 500; display: flex; align-items: baseline; }
legend .cell { font-size: 15px; }
legend .cell.todo { background: transparent; box-shadow: inset 0 0 0 1px var(--ink); }

.row { display: grid; grid-template-columns: 1fr; gap: 2px 24px; padding: 12px 0 14px; }
.row label, .row .label { font-size: 15px; }
.row .note { color: var(--grey); font-size: 13px; line-height: 1.5; }
.row .opt { color: var(--grey); font-size: 13px; margin-left: 6px; }
@media (min-width: 760px) {
  .row { grid-template-columns: 3fr 6fr; align-items: baseline; }
  .row .note { grid-column: 2; }
}
.pair { display: flex; gap: 16px; align-items: flex-end; }
.pair input { flex: 1; min-width: 0; }

input {
  font: inherit;
  font-size: 17px;
  color: var(--ink);
  width: 100%;
  padding: 8px 0 7px;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
}
input:focus { outline: none; border-bottom: 2px solid var(--cell); padding-bottom: 6px; }
input[readonly] { border-bottom-color: transparent; color: var(--grey); }
input[aria-invalid="true"] { border-bottom-color: var(--wrong); }
input::placeholder { color: #9a9a9a; }
input[type="date"] { min-height: 42px; }

button, .button {
  font: inherit;
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 30px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  line-height: 1.4;
}
button:hover, .button:hover { background: var(--cell); border-color: var(--cell); color: var(--paper); }
button.quiet, .button.quiet { background: transparent; color: var(--ink); padding: 8px 14px; font-weight: 400; font-size: 15px; white-space: nowrap; }
button.quiet:hover, .button.quiet:hover { background: transparent; color: var(--cell); border-color: var(--cell); }
button:disabled { opacity: .45; cursor: default; }
button:disabled:hover { background: var(--ink); border-color: var(--ink); }
button.quiet:disabled:hover { background: transparent; color: var(--ink); border-color: var(--ink); }

.actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.msg { min-height: 1.75em; margin: 14px 0 0; font-size: 15px; }
.msg.bad { color: var(--wrong); }
.msg.good::before { content: ""; display: inline-block; width: .7em; height: .7em; background: var(--cell); margin-right: .5em; vertical-align: -.02em; }
.closed { grid-column: 1 / -1; margin-top: 40px; padding: 16px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
@media (min-width: 760px) { .closed { grid-column: 1 / span 9; } }
.small { font-size: 14px; color: var(--grey); }
.small a { color: var(--ink); }

/* 我的：公司一览 */
.list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.list li { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; padding: 16px 0; border-bottom: 1px solid var(--hair); }
.list .name { font-weight: 500; }
.list .sub { grid-column: 1; color: var(--grey); font-size: 13px; }
.list a { grid-row: 1 / span 2; grid-column: 2; align-self: center; font-size: 15px; }
.empty { color: var(--grey); margin: 0; padding: 16px 0; border-top: 1px solid var(--ink); }
h2 { font-size: 16px; font-weight: 500; margin: 0 0 12px; display: flex; align-items: baseline; }
.block + .block { margin-top: 64px; }
.spaced { margin-top: 24px; }

/* 页脚 */
.foot { padding-top: 28px; padding-bottom: 28px; font-size: 13px; color: var(--grey); }
.foot span:first-child { grid-column: 1 / span 2; }
.foot span:last-child { grid-column: 3 / -1; justify-self: end; }
.foot a { color: var(--grey); text-decoration: none; }
.foot a:hover { color: var(--cell); }
@media (min-width: 760px) { .foot span:first-child { grid-column: 1 / span 6; } .foot span:last-child { grid-column: 7 / -1; } }

[hidden] { display: none !important; }
@media (prefers-reduced-motion: no-preference) { button, .button, a { transition: color .12s, background-color .12s, border-color .12s; } }