/* ===========================================================
   企业档案 —— 税务代办 H5 落地页
   页面只有一个主张：这是你自己企业的档案，信息就在这儿，核对无误再办。
   =========================================================== */

:root {
  --ink:       #0F2E3D;   /* 墨青：卷宗头卡、主按钮、标题 */
  --ink-2:     #17414F;   /* 卡内分区线 */
  --paper:     #F2F4F3;   /* 冷白页面底 */
  --card:      #FFFFFF;
  --line:      #DDE3E1;
  --text:      #1D2B32;
  --muted:     #5B6B75;
  --vermilion: #B4342A;   /* 朱砂：现价、特别提醒 */
  --brass:     #C08A2E;   /* 铜：档案编号、分段注释、焦点环 */

  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
           "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, "SF Mono", Menlo, "Roboto Mono", "DejaVu Sans Mono", monospace;

  /* 这版设计只认一种明亮的档案观感，不跟随系统反色 */
  color-scheme: light;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
}

.wrap { max-width: 560px; margin: 0 auto; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 卷宗头卡 ---------------------------------------
   满宽墨青、只在下缘圆角，像一份从上方插进来的档案 */
.dossier {
  background: var(--ink);
  color: #E8EEF0;
  padding: 18px 18px 22px;
  border-radius: 0 0 14px 14px;
  position: relative;
  overflow: hidden;
}
.dossier::after {          /* 右下角一道极淡的铜色斜切，暗示纸页翻角 */
  content: "";
  position: absolute;
  right: -34px; bottom: -34px;
  width: 96px; height: 96px;
  background: linear-gradient(135deg, transparent 50%, rgba(192, 138, 46, .16) 50%);
  transform: rotate(45deg);
  pointer-events: none;
}

.dossier-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(232, 238, 240, .16);
}
.dossier-label {
  font-size: 11px;
  letter-spacing: .22em;
  color: rgba(232, 238, 240, .62);
}
.dossier-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--brass);
  white-space: nowrap;
}

.ent-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(21px, 5.8vw, 27px);
  line-height: 1.35;
  letter-spacing: .01em;
  margin: 14px 0 0;
  color: #fff;
}

/* ---------- 签名元素：18 位统一社会信用代码证照条 ----------
   按 GB 32100 的真实结构分段 1-1-6-9-1，每段下面注明它是什么。
   分段不是装饰，它说明这串码由哪几部分组成。 */
.uscc {
  margin: 16px 0 4px;
  padding: 12px 12px 9px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(232, 238, 240, .14);
  border-radius: 5px;
}
.uscc-strip {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  flex-wrap: wrap;
}
/* 每段的值与它的注释居中对齐，读起来像证照上的一格一格，而不是一串散字 */
.uscc-seg { text-align: center; }
.uscc-seg b {
  display: block;
  font-family: var(--mono);
  font-size: clamp(14px, 4.1vw, 17px);
  font-weight: 600;
  letter-spacing: .04em;
  color: #fff;
  /* 长按即可整段选中，配合右侧复制按钮 */
  user-select: all;
  -webkit-user-select: all;
}
.uscc-seg i {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: .01em;
  color: rgba(192, 138, 46, .92);
  white-space: nowrap;
}
.uscc-copy {
  margin-left: auto;
  align-self: center;
  background: transparent;
  border: 1px solid rgba(192, 138, 46, .55);
  color: var(--brass);
  font-family: var(--sans);
  font-size: 11px;
  line-height: 1;
  padding: 6px 9px;
  border-radius: 3px;
  cursor: pointer;
}
.uscc-copy:active { background: rgba(192, 138, 46, .16); }

/* 载入编排：五段自左向右归档落位，校验位落定时铜色微闪。全页仅此一处动效。 */
.uscc-seg { animation: seg-land .34s cubic-bezier(.2, .7, .3, 1) both; }
.uscc-seg:nth-child(1) { animation-delay: .05s; }
.uscc-seg:nth-child(2) { animation-delay: .11s; }
.uscc-seg:nth-child(3) { animation-delay: .17s; }
.uscc-seg:nth-child(4) { animation-delay: .23s; }
.uscc-seg:nth-child(5) { animation-delay: .29s; }
.uscc-seg:nth-child(5) b { animation: check-flash .5s ease-out .32s both; }

@keyframes seg-land {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}
@keyframes check-flash {
  0%   { color: var(--brass); text-shadow: 0 0 10px rgba(192, 138, 46, .8); }
  100% { color: #fff; text-shadow: none; }
}

.ent-facts {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px 14px;
}
.ent-facts > div { min-width: 0; }
.ent-facts dt {
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(232, 238, 240, .55);
}
.ent-facts dd {
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
  word-break: break-all;
}
.ent-facts .wide { grid-column: 1 / -1; }
.ent-facts .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- 通用区块 ---------- */
.sec { padding: 22px 16px 0; }
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}
.sec-head h2 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 0;
  color: var(--ink);
}
.sec-head span { font-size: 11px; color: var(--muted); letter-spacing: .04em; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

/* ---------- 可办事项 ---------- */
.svc {
  display: flex;
  gap: 11px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  align-items: flex-start;
}
.svc:last-child { border-bottom: 0; }
.svc input { margin: 3px 0 0; width: 17px; height: 17px; accent-color: var(--ink); flex: none; }
/* 这几个都是 span（放在 label 里更好点），必须显式转块级，否则标题和说明会挤成一行 */
.svc-body { display: block; flex: 1; min-width: 0; }
.svc-title { display: block; font-weight: 600; font-size: 15px; line-height: 1.5; color: var(--ink); }
.svc-desc { display: block; margin-top: 4px; font-size: 12.5px; line-height: 1.65; color: var(--muted); }
.svc-price { margin-top: 8px; display: flex; align-items: baseline; gap: 8px; }
.svc-old {
  font-family: var(--mono);
  font-size: 12px;
  color: #98a6ac;
  text-decoration: line-through;
}
.svc-now {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  font-weight: 700;
  color: var(--vermilion);
}

/* ---------- 委托协议 ---------- */
.agr-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--card);
  font: inherit;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.agr-item:last-of-type { border-bottom: 0; }
.agr-item span { font-size: 14px; }
.agr-item em {
  font-style: normal;
  flex: none;
  font-size: 12px;
  color: var(--brass);
  letter-spacing: .04em;
}

.agr-agree {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 12px;
  padding: 13px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color .18s, box-shadow .18s;
}
.agr-agree input { margin: 2px 0 0; width: 18px; height: 18px; accent-color: var(--ink); flex: none; }
.agr-agree p { margin: 0; font-size: 13.5px; line-height: 1.6; }
/* 用户点了置灰的按钮时，把注意力送回这里，而不是让他对着灰按钮发呆 */
.agr-agree.nudge {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 3px rgba(180, 52, 42, .12);
  animation: nudge .32s ease-in-out;
}
@keyframes nudge {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-4px); }
  75%      { transform: translateX(4px); }
}

/* ---------- 下单区 ---------- */
.buyer { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.buyer label { display: block; }
.buyer .lb { font-size: 11px; letter-spacing: .06em; color: var(--muted); margin-bottom: 5px; }
.buyer input {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--card);
  font: inherit;
  font-size: 15px;
  color: var(--text);
}
.buyer input:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px rgba(15, 46, 61, .1); }
.buyer input:focus-visible { outline: 2px solid var(--brass); outline-offset: 1px; }

.pay-pick { display: flex; gap: 10px; margin-top: 12px; }
.pay-pick label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--card);
  font-size: 14px;
  cursor: pointer;
}
.pay-pick input { accent-color: var(--ink); }
.pay-pick label:has(input:checked) { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }

.cta {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 15px;
  border: 0;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
}
.cta .amt { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.cta:active { background: var(--ink-2); }
/* 未就绪时只变灰。不用 aria-disabled、也不用 disabled：
   按钮点得动才能告诉用户「还差勾选协议」，标成禁用等于让人对着灰按钮发呆，
   辅助技术那边也会被挡住。状态用 data-ready 表达，原因写在 aria-describedby 指向的说明里。 */
.cta[data-ready="false"] { background: #A9B6BC; }

/* ---------- 说明类区块 ---------- */
.why { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.why li { list-style: none; background: var(--card); padding: 12px 14px; font-size: 14px; }
.why li::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin: 0 9px 3px 0;
  background: var(--brass);
  transform: rotate(45deg);
}
.why { margin: 0; padding: 0; }

.notice {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--vermilion);
  border-radius: 0 6px 6px 0;
  padding: 13px 15px;
}
.notice ol { margin: 0; padding-left: 19px; }
.notice li { font-size: 13.5px; line-height: 1.8; }
.notice li::marker { color: var(--vermilion); font-variant-numeric: tabular-nums; }

.guard { display: grid; gap: 10px; }
.guard div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13.5px;
}
.guard b { display: block; font-size: 13px; color: var(--ink); letter-spacing: .04em; margin-bottom: 2px; }

/* ---------- 页脚 ---------- */
.foot {
  margin-top: 26px;
  padding: 20px 16px 34px;
  background: var(--ink);
  color: rgba(232, 238, 240, .66);
  font-size: 12px;
  line-height: 1.9;
  text-align: center;
}
.foot b { display: block; color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .04em; margin-bottom: 5px; }
.foot .mono { font-family: var(--mono); }
.foot a { color: var(--brass); text-decoration: none; }
.foot .unsub { margin-top: 10px; font-size: 11px; color: rgba(232, 238, 240, .5); }

/* ---------- 协议弹层 ---------- */
.modal[hidden] { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(8, 22, 29, .58);
}
.modal-box {
  width: 100%;
  max-width: 560px;
  max-height: 86vh;
  background: var(--card);
  border-radius: 12px 12px 0 0;
  display: flex;
  flex-direction: column;
  animation: sheet-up .22s ease-out;
}
@keyframes sheet-up { from { transform: translateY(16px); opacity: .6; } to { transform: none; opacity: 1; } }
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  flex: none;
}
.modal-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.modal-close {
  flex: none;
  border: 0;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: var(--muted);
  padding: 4px 6px;
  cursor: pointer;
}
.modal-body {
  padding: 15px 16px 26px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 13.5px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
}
.modal-body strong { color: var(--ink); }

/* ---------- 失效页 ---------- */
.dead {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 28px;
  text-align: center;
}
.dead .mark {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--brass);
}
.dead h1 { font-family: var(--serif); font-size: 22px; color: var(--ink); margin: 0; }
.dead p { margin: 0; color: var(--muted); font-size: 14px; max-width: 22em; }

/* ---------- 极窄屏 ---------- */
@media (max-width: 344px) {
  .ent-facts { grid-template-columns: 1fr; }
  .buyer { grid-template-columns: 1fr; }
  .uscc-seg i { font-size: 8px; letter-spacing: 0; }
}

/* ---------- 尊重减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}