/*
 * 资料下载页（/resources/，10-30）。
 * 首屏、编号标题、FAQ、相关服务沿用 topics.css；这里只补：首屏封面叠放、资料卡、领取区（手机号表单 / 邮箱验证面板）、下载结果、领取说明与二维码。
 * 色彩职责：藏青＝标题与品牌块；亮蓝＝链接、焦点、结果提示线；琥珀＝每张卡片唯一的领取按钮。造型只用切角（卡片右上 14px、图片左下 14px、标签 7px）。
 */

/* ---------- 首屏：两份封面错位叠放（手机隐藏） ---------- */
.res-hero-covers { position: relative; align-self: center; min-height: 380px; }
.res-hero-cover {
  position: absolute; top: 50%; left: 50%; width: min(220px, 44%); height: auto;
  box-shadow: 0 22px 44px rgba(4, 7, 33, .38);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.res-hero-cover.is-odi-checklist { transform: translate(-92%, -46%) rotate(-3deg); opacity: .92; }
.res-hero-cover.is-whitepaper { transform: translate(-22%, -54%) rotate(2deg); }
@media (max-width: 899px) { .res-hero-covers { display: none; } }

/* ---------- 资料卡 ---------- */
.res-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 32px; }
.res-card {
  display: grid; grid-template-columns: 136px minmax(0, 1fr); grid-template-areas: "cover body" "claim claim";
  align-content: start; gap: 20px 24px; padding: 28px;
  background: #fff; border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  scroll-margin-top: 96px;
}
.res-cover {
  grid-area: cover; display: block; width: 100%; height: auto;
  box-shadow: 0 10px 24px rgba(18, 22, 68, .14);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.res-body { grid-area: body; min-width: 0; }
.res-meta { margin: 0 0 8px; color: var(--muted); font-size: 12.5px; letter-spacing: .02em; }
.res-card h3 { margin: 0 0 10px; color: var(--ink); font-size: 21px; font-weight: 700; line-height: 1.4; }
.res-summary { margin: 0 0 14px; color: #2F333D; font-size: 15px; line-height: 1.8; }
.res-for { display: flex; align-items: baseline; gap: 10px; margin: 0 0 12px; color: #2F333D; font-size: 14px; line-height: 1.7; }
.res-for b {
  flex: none; padding: 1px 9px; background: #EEF1FB; color: var(--ink); font-size: 12px; font-weight: 600;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}
.res-toc summary {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 0; cursor: pointer;
  color: var(--accent); font-size: 14px; font-weight: 600; list-style: none;
}
.res-toc summary::-webkit-details-marker { display: none; }
.res-toc summary::after { content: "+"; font-weight: 400; }
.res-toc[open] summary::after { content: "−"; }
.res-toc summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.res-toc ol { margin: 8px 0 0; padding-left: 1.5em; color: #2F333D; font-size: 14px; line-height: 1.85; }

/* ---------- 领取区 ---------- */
.res-claim { grid-area: claim; display: grid; gap: 12px; padding-top: 20px; border-top: 1px solid var(--line); }
.res-claim-title { margin: 0; color: var(--ink); font-size: 15px; font-weight: 700; }
.res-form { display: grid; gap: 8px; }
.res-label { color: #2F333D; font-size: 13.5px; font-weight: 600; }
.res-input {
  width: 100%; height: 48px; padding: 0 14px; border: 1px solid #C9CFDD; border-radius: 0;
  background: #fff; color: #2F333D; font: inherit; font-size: 16px;
}
.res-input:focus { border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: -1px; }
.res-input[aria-invalid="true"] { border-color: #B42318; }
.res-consent { margin-top: 4px; }
.res-submit, .res-start, .res-dl { justify-content: center; width: 100%; }
.res-submit { margin-top: 6px; }
.res-claim .vg { margin-top: 2px; }
.res-claim .vg-note { margin: -4px 0 0; }
.res-claim.is-done .res-form, .res-claim.is-done .res-start, .res-claim.is-done .vg-note, .res-claim.is-done .vg { display: none; }
.res-done { display: grid; gap: 10px; padding: 18px; background: #F3F5FB; border-left: 3px solid var(--accent); }
.res-done[hidden] { display: none; }
.res-done:focus { outline: none; }
.res-done-title { margin: 0; color: var(--ink); font-size: 16px; font-weight: 700; }
.res-done-msg, .res-done-tip { margin: 0; color: #2F333D; font-size: 14px; line-height: 1.7; }
.res-done-tip { color: var(--muted); font-size: 13px; }
.res-checked { margin: 0; color: var(--muted); font-size: 12.5px; }
.res-noscript { margin: 0; color: #2F333D; font-size: 14px; }

/* ---------- 领取说明 ---------- */
.res-note-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 28px; }
.res-note { padding: 22px 22px 20px; background: #fff; border: 1px solid var(--line); }
.res-note h3 { margin: 0 0 8px; color: var(--ink); font-size: 16px; font-weight: 700; }
.res-note p { margin: 0; color: #2F333D; font-size: 14px; line-height: 1.8; }
.res-note a { color: var(--accent); }
.res-qr { width: 116px; height: 116px; margin: 2px 0 10px; padding: 6px; background: #fff; border: 1px solid var(--line); }
.res-qr svg, .res-qr img { display: block; width: 100%; height: 100%; }

/* ---------- 响应式 ---------- */
@media (max-width: 1099px) {
  .res-grid { grid-template-columns: 1fr; }
}
@media (max-width: 599px) {
  .res-grid { gap: 16px; margin-top: 22px; }
  .res-card { display: block; padding: 18px 16px; }
  .res-cover { float: right; width: 78px; margin: 0 0 8px 14px; }
  .res-card h3 { font-size: 18px; }
  .res-summary { font-size: 14.5px; line-height: 1.75; }
  .res-for { clear: right; }
  .res-claim { clear: both; margin-top: 16px; padding-top: 16px; }
  .res-note-grid { gap: 12px; margin-top: 20px; }
  .res-note { padding: 16px; }
}
@media print {
  .res-claim, .res-hero-covers, .res-qr-note { display: none !important; }
}

/* H1 按语义分两段：窄屏不在“下载”等词中间断开（段内超宽时仍可正常换行） */
.res-h1-seg { display: inline-block; }
.res-label small { margin-left: 8px; color: var(--muted, #5B6170); font-size: 12.5px; font-weight: 400; }