/* Windows 下载帮助页(/help/windows): 每一步左边说明, 右边浏览器界面示意图。
   示意图用网页元素画(没有 Windows 截图), 里面的文字跟页面语言走; 次要文字用灰条代替, 只写用户要找的按钮和提示。
   黄色圈(.mock-hit)= 要点的地方, 带数字的按先后顺序点。 */
.help-hero { padding-bottom: 64px; }
.help-hero-copy { max-width: 780px; margin-top: 44px; }
.help-hero-copy .eyebrow { color: var(--warn); }
.help-hero-copy h1 { margin-top: 18px; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.2; letter-spacing: -.02em; text-wrap: balance; }
.help-lead { margin-top: 24px; font-size: 16px; line-height: 1.9; }
.help-why { margin-top: 10px; font-size: 14px; line-height: 1.9; color: var(--muted); }
.help-jump { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.help-jump a { border: 1px solid var(--line); padding: 9px 16px; font-size: 13px; }
.help-jump a:hover, .help-jump a:focus-visible { border-color: var(--warn); color: var(--warn); }
.help-note { margin-top: 22px; padding-left: 12px; border-left: 3px solid var(--warn); font-size: 12px; line-height: 1.8; color: var(--muted); }

.help-section { padding-block: 64px; border-top: 1px solid var(--line); scroll-margin-top: 72px; }
.help-section-head { max-width: 760px; }
.help-section-head .eyebrow { color: var(--warn); }
.help-section-head h2 { margin-top: 12px; font-size: clamp(24px, 3vw, 34px); line-height: 1.3; }
.help-section-head h2 + p { margin-top: 12px; font-size: 14px; line-height: 1.9; color: var(--muted); }

.help-steps { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 20px; }
.help-step { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 480px); gap: 40px; align-items: center; padding: 28px; background: var(--panel); border: 1px solid var(--line); }
.help-step-plain { grid-template-columns: minmax(0, 1fr); }
.help-step-text { display: flex; gap: 18px; align-items: flex-start; }
.help-step-text p { font-size: 15px; line-height: 1.9; }
.help-step-text .text-link { min-height: 0; color: var(--warn); text-decoration: underline; text-underline-offset: 3px; }
.help-step-no { flex: none; width: 32px; height: 32px; display: grid; place-items: center; background: var(--warn); color: var(--warn-ink); font: 700 15px/1 var(--mono); }
.help-plain-list { margin: 28px 0 0; padding: 24px 28px 24px 46px; background: var(--panel); border: 1px solid var(--line); display: grid; gap: 12px; font-size: 15px; line-height: 1.9; }
.help-plain-list li::marker { color: var(--warn); }
.help-end-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.help-end-inner p { font-size: 15px; color: var(--muted); }

/* ---- 示意图: 浅色 Windows 界面 ---- */
.mock { margin: 0; padding: 24px; display: grid; justify-items: end; gap: 14px; background: #dfe4ea; color: #1b1b1b; font: 13px/1.45 "Segoe UI", -apple-system, "Microsoft YaHei", "PingFang SC", sans-serif; letter-spacing: 0; }
.mock-panel { position: relative; width: min(100%, 390px); padding: 8px 0 10px; background: #fff; border-radius: 8px; box-shadow: 0 10px 28px #0003, 0 0 0 1px #0000000f; text-align: left; }
.mock-head { display: flex; justify-content: space-between; align-items: center; padding: 6px 16px 10px; }
.mock-head b { font-size: 14px; font-weight: 600; }
.mock-tools { display: flex; gap: 10px; }
.mock-tools i { display: block; width: 14px; height: 14px; border-radius: 3px; background: #d4d4d4; }
.mock-row { display: flex; align-items: center; gap: 10px; margin: 0 6px; padding: 9px 8px 9px 10px; border-radius: 6px; }
.mock-row.is-hover { background: #f2f2f2; }
.mock-row-body { flex: 1; min-width: 0; display: grid; gap: 5px; }
.mock-row-body b { font-weight: 600; overflow-wrap: anywhere; }
.mock-warn { overflow-wrap: anywhere; }
.mock-danger { color: #c5221f; }
.mock-muted { color: #5f6368; }
.mock-chevron { color: #5f6368; font-size: 20px; line-height: 1; }
.mock-file { position: relative; flex: none; width: 24px; height: 30px; border-radius: 3px; background: #e2e2e2; }
.mock-file.is-warn::after, .mock-file.is-blocked::after { content: "!"; position: absolute; right: -5px; bottom: -4px; width: 16px; height: 16px; display: grid; place-items: center; border-radius: 50%; font: 700 11px/1 sans-serif; color: #fff; }
.mock-file.is-warn::after { background: #c77700; }
.mock-file.is-blocked::after { background: #c5221f; }
.mock-icon-btn { flex: none; min-width: 30px; height: 30px; display: grid; place-items: center; border-radius: 4px; color: #3b3b3b; font-weight: 700; }
.mock-icon-btn.is-pressed { background: #e3e3e3; }
.mock-trash::before { content: ""; width: 10px; height: 12px; border: 2px solid #6b6b6b; border-top-width: 3px; border-radius: 0 0 2px 2px; }
.mock-bar { display: block; height: 8px; border-radius: 4px; background: #e4e4e4; }
.w40 { width: 40%; } .w50 { width: 50%; } .w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; } .w90 { width: 90%; }
.mock-menu { position: relative; display: grid; width: min(220px, 70%); margin: -2px 10px 0 auto; padding: 4px; background: #fff; border-radius: 6px; box-shadow: 0 8px 20px #0003, 0 0 0 1px #00000014; }
.mock-menu span { padding: 7px 12px; border-radius: 4px; }
.mock-menu .mock-bar { margin-block: 4px; }
.mock-dialog { padding: 20px 20px 14px; display: grid; gap: 8px; }
.mock-dialog-title { margin-bottom: 4px; font-size: 15px; font-weight: 600; overflow-wrap: anywhere; }
.mock-dialog-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin-top: 10px; }
.mock-buttons { display: flex; gap: 8px; }
.mock-btn { padding: 5px 14px; border: 1px solid #d1d1d1; border-radius: 4px; background: #fff; }
.mock-btn.is-primary { background: #0f6cbd; border-color: #0f6cbd; color: #fff; }
.mock-link { color: #0f6cbd; }
.mock-more { display: grid; justify-items: start; gap: 2px; margin-top: 4px; padding-top: 8px; border-top: 1px solid #ececec; }
.mock-more span { width: 60%; padding: 6px 4px; }
.mock-more span.mock-hit { width: auto; padding-inline: 8px; }
.mock-bubble { padding: 8px 0; }
.mock-keys { display: flex; gap: 6px; align-items: center; font: 600 13px/1 var(--mono); color: #1b1b1b; }
.mock-keys kbd { padding: 7px 11px; background: #fff; border: 1px solid #c3c3c3; border-bottom-width: 3px; border-radius: 5px; font: inherit; }
.mock-page { padding: 0 0 12px; background: #f1f3f4; overflow: hidden; }
.mock-page-head { display: flex; align-items: center; gap: 14px; padding: 12px 16px; background: #fff; border-bottom: 1px solid #e3e3e3; }
.mock-page-head b { font-size: 14px; font-weight: 600; white-space: nowrap; }
.mock-search { flex: 1; height: 26px; border-radius: 13px; background: #eef0f2; }
.mock-card { display: flex; align-items: center; gap: 12px; margin: 12px 12px 0; padding: 12px 8px 12px 14px; background: #fff; border-radius: 8px; box-shadow: 0 1px 3px #0000001f; }
.mock-smartscreen { width: min(100%, 410px); padding: 22px 22px 16px; display: grid; gap: 9px; background: #0063b1; color: #fff; box-shadow: 0 10px 28px #0004; text-align: left; }
.mock-ss-title { margin-bottom: 6px; font-size: 21px; font-weight: 300; line-height: 1.3; }
.mock-smartscreen .mock-bar { background: #ffffff59; }
.mock-ss-link { justify-self: start; margin-top: 4px; text-decoration: underline; text-underline-offset: 2px; }
.mock-ss-facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 6px 0 0; }
.mock-ss-facts dd { margin: 0; overflow-wrap: anywhere; }
.mock-ss-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.mock-ss-btn { padding: 6px 18px; border: 1px solid #ffffffb3; background: #ffffff14; }

/* 要点的地方: 黄色圈; 有先后的带序号 */
.mock-hit { position: relative; outline: 3px solid var(--warn); outline-offset: 2px; border-radius: 4px; box-shadow: 0 0 0 8px #ffc93c4d; }
.mock-hit[data-n]::after { content: attr(data-n); position: absolute; top: -14px; right: -14px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--warn-ink); color: var(--warn); font: 700 11px/1 var(--mono); }

@media (max-width: 899px) {
  .help-step { grid-template-columns: minmax(0, 1fr); gap: 22px; padding: 22px; }
  .mock { justify-items: stretch; }
  .mock-panel, .mock-smartscreen { width: 100%; }
}
@media (max-width: 639px) {
  .help-hero-copy { margin-top: 28px; }
  .help-section { padding-block: 44px; }
  .help-step { padding: 18px 16px; }
  .help-step-text { gap: 14px; }
  .help-step-text p, .help-plain-list { font-size: 14px; }
  .mock { padding: 16px 14px; }
  .help-plain-list { padding: 18px 18px 18px 36px; }
}