/* 基础配色与间距集中管理，便于后续调整发布站的视觉风格。 */
:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --paper-deep: #eeece4;
  --surface: #fffefa;
  --ink: #292824;
  --muted: #6d6b63;
  --quiet: #8a877e;
  --line: #dedbd2;
  --accent: #ba644b;
  --accent-dark: #994b35;
  --accent-soft: #eee0d5;
  --serif: Georgia, "Noto Serif CJK SC", "Songti SC", STSong, SimSun, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 14px;
  --content-width: 1120px;
}

/* 最新进展沿用纸张色与陶土色，功能与当前公告分别呈现。 */
.announcement-section { padding:28px 0 0; background:#eee7dc; }
.announcement-card { max-width:1000px; margin-inline:auto; padding:24px 28px; border:1px solid #ded4c7; border-left:3px solid var(--accent); border-radius:var(--radius); background:var(--paper); }
/* 临时状态提示优先于版本进展显示，使用温和底色并允许手机端自然换行。 */
.support-status-notice { margin-bottom:22px; padding:14px 16px; border:1px solid #e3cfad; border-radius:9px; background:#faf0df; }
.support-status-notice strong { display:block; color:#78552c; font-size:15px; font-weight:600; line-height:1.7; overflow-wrap:anywhere; }
.announcement-card .support-status-notice p { margin:5px 0 0; color:#795f40; font-size:13px; line-height:1.85; overflow-wrap:anywhere; }
.announcement-card .support-status-notice .previous-supporters-note { margin-top:12px; padding-top:12px; border-top:1px solid #e3cfad; }
.previous-supporters-note strong { margin-bottom:4px; }
.announcement-heading { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:6px 16px; }
.announcement-label { color:var(--accent-dark); font-size:12px; }
.announcement-heading time { color:var(--quiet); font-size:12px; font-variant-numeric:tabular-nums; }
.announcement-card h2 { margin:8px 0 12px; font-family:var(--serif); font-size:clamp(22px,2.4vw,30px); font-weight:400; line-height:1.5; }
.announcement-card p { color:var(--muted); font-size:14px; line-height:1.9; }
.announcement-card h3 { margin:18px 0 10px; font-size:15px; font-weight:500; }
.announcement-features { display:flex; flex-wrap:wrap; gap:8px; list-style:none; padding:0; margin:14px 0 18px; }
.announcement-features li { padding:4px 10px; border:1px solid var(--line); border-radius:6px; color:var(--ink); font-size:13px; line-height:1.7; }
.announcement-actions { display:flex; align-items:center; flex-wrap:wrap; gap:10px 18px; margin-top:14px; }
.announcement-contact-link { color:var(--accent-dark); font-size:13px; text-decoration:underline; text-underline-offset:3px; overflow-wrap:anywhere; }
/* 投票只展示两个累计人数，选择与结果共用紧凑按钮。 */
.phone-poll { margin-top:20px; padding-top:4px; border-top:1px solid var(--line); }
.phone-poll-options { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; max-width:540px; }
.phone-poll-options button { display:flex; align-items:baseline; justify-content:flex-start; flex-wrap:wrap; gap:6px; min-height:64px; padding:14px 18px; border:1px solid var(--line); border-radius:10px; background:var(--surface); color:var(--ink); font:inherit; cursor:pointer; }
.phone-poll-options button > span:first-child { width:100%; font-size:13px; }
.phone-poll-options strong { font-size:25px; font-weight:500; line-height:1.4; font-variant-numeric:tabular-nums; overflow-wrap:anywhere; }
.phone-poll-unit { font-size:12px; color:var(--muted); }
.phone-poll-options button:hover:not(:disabled) { border-color:var(--accent); }
.phone-poll-options button[aria-pressed="true"] { border-color:var(--accent); background:var(--accent-soft); }
.phone-poll-options button:disabled { cursor:default; }
.phone-poll-options button:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }
.phone-poll .phone-poll-status { margin-top:8px; font-size:12px; }
@media (max-width:760px) {
  .announcement-section { padding-top:20px; }
  .announcement-card { padding:20px 18px; }
  .announcement-card p { font-size:13px; }
  .announcement-heading time { font-size:11px; }
  .announcement-features { gap:6px; margin:12px 0 15px; }
  .announcement-features li { font-size:12px; padding:4px 8px; }
  .announcement-actions { gap:10px 14px; }
  .announcement-contact-link { font-size:12px; }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

.icon {
  flex-shrink: 0;
}

h1,
h2,
h3,
p {
  margin: 0;
}

::selection {
  color: var(--ink);
  background: #e7c8b8;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(var(--content-width), calc(100% - 80px));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* 导航使用细分隔线与小尺寸品牌字标，保持首屏的安静感。 */
.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.site-header > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand > svg,
.brand-mark {
  width: 30px;
  height: 30px;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -1.2px;
}

.release-label {
  margin-left: 11px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-block: 9px;
  color: #57554e;
  transition: color 160ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.nav-links .nav-support {
  padding: 8px 15px;
  border: 1px solid #c9c4b8;
  border-radius: 6px;
  color: var(--ink);
}

.nav-support svg {
  width: 13px;
  height: 13px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
}

/* 首屏保留大面积呼吸空间，车机画面承担主要视觉焦点。 */
.hero {
  overflow: hidden;
  padding: 64px 0;
}

.hero > .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 42px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.7px;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent);
}

h1 {
  margin-top: 26px;
  font-family: var(--serif);
  font-size: clamp(40px, 4.65vw, 61px);
  font-weight: 400;
  line-height: 1.23;
  letter-spacing: -2.5px;
}

h1 em {
  color: var(--accent);
  font-style: normal;
}

.hero-description {
  max-width: 410px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  text-align: center;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.button-primary {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.button-primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.button-secondary {
  border-color: #cfcac0;
  color: var(--ink);
  background: transparent;
}

.button-secondary:hover {
  border-color: #ada596;
  background: var(--paper-deep);
}

.button:disabled,
.button[aria-disabled="true"] {
  border-color: var(--line);
  color: var(--muted);
  background: #e9e6de;
  cursor: not-allowed;
  transform: none;
}

.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px 13px;
  margin-top: 27px;
  color: var(--quiet);
  font-size: 11px;
}

.hero-meta .meta-divider,
.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #b3aea2;
}

.hero-meta time {
  font-variant-numeric: tabular-nums;
}

.hero-meta > span:not(.meta-divider) {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-meta .icon {
  width: 14px;
  height: 14px;
}

/* 两张车机实拍纵向排列，保持原始比例与真实界面。 */
.hero-gallery {
  display: grid;
  gap: 20px;
  min-width: 0;
  width: 100%;
}

.hero-art {
  min-width: 0;
  margin: 0;
}

.software-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 15px 32px -22px #1c253d80;
}

.hero-art-caption {
  margin-top: 8px;
  color: var(--quiet);
  font-size: 11px;
  letter-spacing: 1px;
  text-align: center;
}

/* 内容区以留白和细线划分层级，避免过多同质化卡片。 */
.section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

/* 首屏下方的轻量说明带同时提供真实的页面维护日期。 */
.intro-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f0eee6;
}

.intro-strip > .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  font-size: 11px;
  color: var(--muted);
}

.intro-strip .container > div {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.small-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #88937b;
}

.strip-date {
  color: var(--quiet);
  font-size: 10px;
  white-space: nowrap;
}

.strip-date time {
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
}

.download-section {
  border-top: 0;
}

.download-section .section-heading,
.faq-section .section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
}

.section-heading {
  margin-bottom: 36px;
}

.section-kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 2px;
  text-transform: uppercase;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(29px, 3.2vw, 39px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -1px;
}

.section-heading > p,
.guide-intro > p {
  max-width: 490px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.95;
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(240px, 1fr);
  align-items: stretch;
  gap: 48px;
}

.release-card {
  position: relative;
  padding: 30px 32px;
  border: 1px solid #d5cfc1;
  border-radius: var(--radius);
  background: var(--surface);
}

.release-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 24px;
}

.app-symbol {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid #dfd1bd;
  border-radius: 12px;
  background: #f0e8db;
  color: #a2644d;
}

.app-symbol .icon {
  width: 25px;
  height: 25px;
}

.release-badge.is-available {
  background: #e9eede;
  color: #526745;
}

.release-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 5px;
  color: #82533d;
  background: #f1e7dd;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.8;
}

.release-top > time,
.release-top > .release-date {
  color: var(--quiet);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.release-title {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -.5px;
}

.release-description {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.release-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 22px;
  margin: 24px 0;
  padding: 18px 0;
  border-top: 1px solid #eae7df;
  border-bottom: 1px solid #eae7df;
  color: var(--muted);
  font-size: 11px;
}

.release-meta > div {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.release-meta dt {
  color: var(--quiet);
}

.release-meta dd {
  margin: 0;
  color: var(--ink);
}

.release-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 17px;
}

.release-action > p,
.release-action > small,
.download-caption,
.download-note {
  color: var(--quiet);
  font-size: 11px;
}

.download-side {
  align-self: center;
}

.info-item {
  display: grid;
  grid-template-columns: 21px 1fr;
  gap: 14px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}

.info-item:first-child {
  padding-top: 5px;
}

.info-item:last-child {
  padding-bottom: 5px;
  border-bottom: 0;
}

.info-item > svg {
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--accent);
}

.info-icon {
  margin-top: 3px;
  color: var(--accent);
}

.info-item .text-link {
  margin-top: 8px;
}

.info-item h3 {
  font-size: 13px;
  font-weight: 500;
}

.info-item p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-size: 12px;
}

.text-link:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 教程使用单列步骤与连续编号，便于手机用户逐条阅读。 */
.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.35fr);
  gap: 88px;
}

.guide-intro > p {
  max-width: 310px;
}

.guide-intro .text-link {
  margin-top: 23px;
}

.steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: start;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.step-item:first-child {
  padding-top: 0;
}

.step-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.step-number {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid #d4cbbd;
  border-radius: 50%;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 16px;
}

.step-content h3 {
  margin-top: 3px;
  font-size: 15px;
  font-weight: 500;
}

.step-content p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
}

.step-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}






/* 教程突出准备物品、设置路径和开发者密码。 */
.guide-preparation {
  margin-top: 26px;
}

.guide-preparation h3 {
  font-size: 13px;
  font-weight: 500;
}

.guide-preparation ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.95;
}

.guide-preparation li + li { margin-top: 9px; }

.guide-intro > .guide-source {
  margin-top: 12px;
  color: var(--quiet);
  font-size: 11px;
  line-height: 1.9;
}

.step-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 9px;
  margin-top: 14px;
  font-size: 11px;
}

.step-path > span:not(.path-arrow) {
  padding: 4px 9px;
  border-radius: 4px;
  background: #ece8de;
  color: #6a6256;
}

.path-arrow { color: var(--quiet); }

.step-code {
  margin-top: 14px;
  padding: 13px 16px;
  border: 1px solid #dfd7c9;
  border-radius: 7px;
  background: #fffcf5;
}

.step-code > span {
  color: var(--quiet);
  font-size: 10px;
}

.step-code > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: 5px;
}

.step-code code {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 15px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.step-details {
  margin: 10px 0 0;
  padding-left: 17px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
}

.step-content > .step-note {
  margin-top: 14px;
  padding: 11px 14px;
  border-left: 2px solid #c49678;
  color: #80654f;
  background: #f0eade;
  font-size: 12px;
  line-height: 1.9;
}

/* 页面末尾保留自愿赞赏提示，各赞赏渠道在同一组卡片内展示。 */
.support-section {
  padding: 40px 0 56px;
  border-top: 1px solid #dfd3c6;
  border-bottom: 1px solid #dfd3c6;
  background: #eee7dc;
}









/* 已知问题紧跟适配范围，方便下载前了解当前状态。 */
.compatibility-status {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.compatibility-status h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.compatibility-status ul {
  margin: 0;
  padding-left: 20px;
  list-style: disc;
}

.compatibility-status li,
.compatibility-status p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}


.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: 22px;
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.support-channels {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 24px;
  width: 100%;
}

.support-card {
  width: 220px;
  max-width: 100%;
  justify-self: center;
  padding: 17px 17px 15px;
  border: 1px solid #e0d8cb;
  border-radius: 12px;
  background: var(--surface);
  text-align: center;
}

/* 横向原图按自身比例显示，最大保持原始 508 像素宽度，不裁切或放大。 */
.support-card.support-alternative {
  display: flex;
  width: 100%;
  max-width: 548px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 19px 19px 15px;
}

.support-alternative-image {
  display: block;
  width: 100%;
  max-width: 508px;
}

.support-alternative-image img {
  display: block;
  width: 100%;
  max-width: 508px;
  height: auto;
  object-fit: contain;
}

/* 电脑端将安装提醒放在二维码右侧，手机端放在同一卡片内的下方。 */
.support-card.support-alternative.with-install-note {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  max-width: 720px;
  gap: 10px 24px;
}

.with-install-note .support-alternative-image {
  grid-column: 1;
  grid-row: 1;
}

.with-install-note .support-method {
  grid-column: 1;
  grid-row: 2;
}

.support-install-note {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  margin: 0;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  text-align: left;
}

.support-install-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 760px) {
  .support-layout { gap: 20px; }
  .support-channels { flex-direction: column; align-items: center; gap: 16px; }
  .support-card.support-alternative.with-install-note {
    display: flex;
    max-width: 548px;
    gap: 0;
  }
  .support-install-note {
    width: 100%;
    margin-top: 16px;
    padding: 12px 14px;
    background: var(--paper);
    font-size: 13px;
  }
}

.qr-placeholder,
.support-qr {
  display: flex;
  width: 184px;
  height: 184px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 13px;
  overflow: hidden;
  border: 1px dashed #d0c6b6;
  border-radius: 5px;
  color: #a09483;
  background: #f5f2eb;
}

.qr-placeholder svg {
  width: 60px;
  height: 60px;
  color: #b5a791;
}

.qr-placeholder span,
.qr-placeholder p {
  font-size: 11px;
}

.support-qr {
  border: 0;
  background: #fff;
  object-fit: contain;
}

.support-method {
  max-width: 100%;
  margin-top: 12px;
  color: var(--muted);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.support-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.support-note .icon {
  width: 14px;
  height: 14px;
}


.support-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 尝鲜版将适配范围和风险入口放在下载操作旁，方便用户先核对再安装。 */
.release-badge.is-preview {
  background: #f3e7da;
  color: #925a3c;
}

.download-risk-note {
  margin: 0 0 20px;
  padding: 12px 14px;
  border-left: 2px solid #c99174;
  background: #f6f0e6;
  color: #7b6656;
  font-size: 11px;
  line-height: 1.9;
}

.download-risk-note a {
  color: #9c563e;
  text-decoration: underline;
  text-underline-offset: 3px;
}














.tested-panel {
  margin-top: 0;
}

.tested-panel > h2 {
  margin-bottom: 20px;
  font-size: 23px;
  font-weight: 500;
}

.tested-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 20px;
  margin: 0;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.tested-grid > div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.tested-grid dt {
  color: var(--quiet);
  font-size: 11px;
}

.tested-grid dd {
  margin: 7px 0 0;
  font-size: 17px;
  font-weight: 400;
  overflow-wrap: anywhere;
}

.tested-panel > p {
  margin-top: 14px;
  color: var(--quiet);
  font-size: 11px;
}

.project-layout p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
}

.project-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 88px;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 22px;
}

.project-layout .project-note {
  margin-top: 20px;
  color: var(--quiet);
  font-size: 11px;
}

.disclaimer-section {
  background: #f0eee7;
}

.disclaimer-section .section-heading > p {
  max-width: 750px;
}

.disclaimer-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding-left: 22px;
  color: #8b7965;
  font-size: 13px;
}

.disclaimer-list li {
  padding-left: 8px;
}

.disclaimer-list h3 {
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
}

.disclaimer-list p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.95;
}

@media (max-width: 1080px) and (min-width: 761px) {
  .nav-links { gap: 17px; }
  .site-header .release-label { display: none; }
}

@media (max-width: 760px) {
  .tested-grid, .project-layout { grid-template-columns: 1fr; }
  .tested-grid { gap: 17px; padding: 20px 0; }
  .tested-grid > div + div { padding-left: 0; border-left: 0; }
  .tested-grid dd { font-size: 16px; }
  .project-layout { gap: 25px; }
  .support-qr, .qr-placeholder { background: #fff; }
}

/* 常见问题保留浏览器原生展开交互，键盘与触摸均可访问。 */
.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 22px 38px 22px 0;
  font-size: 14px;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before,
.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 5px;
  width: 12px;
  height: 1px;
  background: var(--muted);
  content: "";
}

.faq-item summary::after {
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.faq-item[open] summary::after {
  transform: rotate(0deg);
}

.faq-item summary:hover {
  color: var(--accent);
}

.faq-answer {
  max-width: 800px;
  padding: 0 38px 23px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
}

.faq-answer p + p {
  margin-top: 10px;
}

.faq-answer a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  padding: 44px 0 26px;
  border-top: 1px solid var(--line);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 30px;
}

.site-footer .brand-name {
  font-size: 25px;
}

.site-footer .brand > svg {
  width: 25px;
  height: 25px;
}

.footer-top > p,
.footer-tagline {
  color: var(--muted);
  font-size: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 10px;
  line-height: 1.9;
}

.footer-bottom > p {
  max-width: 640px;
}

/* 平板保留双栏视觉，减少边距而不压缩按钮的触摸范围。 */
@media (max-width: 1080px) {
  .container {
    width: calc(100% - 64px);
  }

  .nav-links {
    gap: 20px;
  }

  .release-label {
    display: none;
  }

  .hero {
    padding: 76px 0;
  }

  .hero > .container {
    gap: 28px;
  }

  h1 {
    font-size: clamp(38px, 4.8vw, 53px);
    letter-spacing: -2px;
  }

  .hero-description {
    font-size: 14px;
  }

  .download-grid {
    gap: 32px;
  }

  .guide-layout {
    gap: 50px;
  }

}

/* 小屏菜单在导航内展开，正文各区块依次排列。 */
@media (max-width: 760px) {
  html {
    scroll-padding-top: 28px;
  }

  .container {
    width: calc(100% - 40px);
  }

  .site-header > .container {
    min-height: 72px;
  }

  .brand-name {
    font-size: 26px;
  }

  .brand > svg,
  .brand-mark {
    width: 27px;
    height: 27px;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .menu-toggle svg {
    width: 20px;
    height: 20px;
  }

  .nav-links {
    position: absolute;
    top: calc(100% - 1px);
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 9px 20px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 16px 20px #2928240a;
  }

  .site-header.is-menu-open .nav-links,
  .header.is-menu-open .nav-links {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    min-height: 45px;
    padding: 10px 8px;
  }

  .nav-links .nav-support {
    width: fit-content;
    margin-top: 8px;
    padding-inline: 16px;
  }

  .hero {
    padding: 52px 0 44px;
  }

  .hero > .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-copy {
    max-width: 540px;
  }

  .eyebrow {
    font-size: 10px;
    letter-spacing: 1.4px;
  }

  h1 {
    margin-top: 22px;
    font-size: clamp(39px, 7.8vw, 55px);
    line-height: 1.3;
    letter-spacing: -1.7px;
  }

  .hero-description {
    max-width: 460px;
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.9;
  }

  .hero-actions {
    margin-top: 25px;
  }

  .hero-meta {
    margin-top: 20px;
    gap: 8px 11px;
  }

  .hero-gallery {
    width: min(100%, 540px);
    justify-self: center;
    gap: 20px;
  }

  .software-photo {
    border-radius: 10px;
  }

  .section {
    padding: 40px 0;
  }

  .section-heading {
    margin-bottom: 27px;
  }

  .section-kicker {
    margin-bottom: 10px;
    font-size: 9px;
  }

  h2 {
    font-size: 30px;
  }

  .section-heading > p,
  .guide-intro > p {
    margin-top: 12px;
    font-size: 13px;
  }

  .download-grid {
    grid-template-columns: 1fr;
    gap: 27px;
  }

  .release-card {
    padding: 24px;
  }

  .release-top {
    margin-bottom: 20px;
  }

  .release-title {
    font-size: 25px;
  }

  .release-description {
    font-size: 12px;
  }

  .release-meta {
    margin: 20px 0;
    gap: 9px 16px;
  }

  .info-item {
    padding: 17px 0;
  }

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .guide-intro > p {
    max-width: 450px;
  }

  .guide-intro .text-link {
    margin-top: 15px;
  }

  .step-item {
    gap: 15px;
    padding: 21px 0;
  }

  .step-content p {
    font-size: 12px;
  }


  .support-section {
    padding: 50px 0;
  }


  .compatibility-status {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .faq-item summary {
    padding-block: 20px;
    font-size: 13px;
  }

  .faq-answer {
    padding-right: 25px;
    font-size: 12px;
  }

  .site-footer {
    padding-top: 32px;
  }

  .footer-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 24px;
  }

  .footer-links {
    gap: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    padding-top: 19px;
  }
}

@media (max-width: 380px) {
  .container {
    width: calc(100% - 32px);
  }

  h1 {
    font-size: 35px;
    letter-spacing: -1.3px;
  }

  .button {
    padding-inline: 18px;
  }

  .release-card {
    padding: 21px 19px;
  }

  .hero-meta {
    font-size: 10px;
  }
}

/* 尊重系统减少动态效果的偏好，确保页面不依赖动效传递信息。 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* 打印教程时隐藏纯装饰与导航，避免大色块消耗打印墨水。 */
@media print {
  body {
    color: #000;
    background: #fff;
  }

  .container {
    width: 100%;
  }

  .site-header nav,
  .menu-toggle,
  .hero-gallery,
  .hero-actions,
  .support-section {
    display: none;
  }

  .hero,
  .section {
    padding-block: 28px;
  }

  .hero > .container,
  .download-grid,
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .release-card,
  .step-item {
    break-inside: avoid;
  }
}

/* 下载附加信息按需出现，长文件名和校验值不撑破窄屏。 */
.download-extras { display:grid; gap:14px; margin-top:23px; padding-top:19px; border-top:1px solid var(--line); font-size:11px; color:var(--muted); }
.file-name, .file-checksum code { overflow-wrap:anywhere; }
.file-name span { color:var(--ink); }
.extraction-code { display:flex; align-items:center; gap:14px; }
.extraction-code code { margin-left:8px; padding:3px 8px; border-radius:4px; background:var(--paper-deep); }
.copy-button { display:inline-flex; gap:5px; align-items:center; padding:3px 7px; border:0; background:none; color:var(--accent); cursor:pointer; font-size:11px; }
.file-checksum summary { cursor:pointer; }
.file-checksum p { margin-top:9px; font-size:10px; }
.file-checksum code { display:block; margin-top:4px; font-size:10px; line-height:1.8; }
.contact-note { display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:7px; margin-top:28px; color:var(--quiet); font-size:12px; }
.contact-note a { display:inline-flex; align-items:center; gap:4px; color:var(--accent); }
.contact-note .icon { width:14px; height:14px; }

/* 真实赞赏码的放大层和复制反馈，不依赖第三方组件。 */
.support-dialog { width:min(420px,calc(100% - 40px)); padding:34px; border:1px solid var(--line); border-radius:14px; background:var(--surface); color:var(--ink); text-align:center; }
.support-dialog::backdrop { background:#29282470; backdrop-filter:blur(3px); }
.support-dialog h2 { font-size:24px; margin-bottom:24px; }
.support-dialog img { width:100%; height:auto; object-fit:contain; }
.support-dialog p { margin-top:20px; color:var(--muted); font-size:12px; }
.dialog-close { position:absolute; top:10px; right:10px; display:grid; place-items:center; width:30px; height:30px; border:0; border-radius:6px; background:none; cursor:pointer; }
.dialog-close:hover { background:var(--paper-deep); }
.toast { position:fixed; bottom:28px; left:50%; z-index:90; padding:10px 18px; border-radius:7px; background:var(--ink); color:var(--paper); opacity:0; transform:translate(-50%,8px); transition:opacity .2s,transform .2s; pointer-events:none; font-size:12px; max-width:calc(100% - 32px); text-align:center; }
.toast.is-visible { opacity:1; transform:translate(-50%,0); }

/* 纯静态内容在禁用脚本时仍可阅读、跳转和展开常见问题。 */
html:not(.js-ready) .menu-toggle, html:not(.js-ready) .copy-button { display:none; }
@media(max-width:760px) {
  .intro-strip > .container { min-height:72px; flex-wrap:wrap; justify-content:center; gap:5px 20px; padding-block:14px; text-align:center; }
  .intro-strip .container > div { display:none; }
  .strip-date { font-size:10px; }
  .download-section .section-heading, .faq-section .section-heading { display:block; }
  .support-note { align-items:center; font-size:14px; }
  .support-note .icon { margin-top:2px; }
  html:not(.js-ready) .site-header > .container { flex-wrap:wrap; padding-block:20px; }
  html:not(.js-ready) .nav-links { display:flex; position:static; flex-direction:row; flex-wrap:wrap; padding:0; border:0; box-shadow:none; width:100%; }
}

/* 统计融入赞赏区，窄屏和较长数字自动换行。 */
.site-stats { display:flex; align-items:center; flex-wrap:wrap; gap:14px 22px; margin-top:24px; font-size:13px; }
.like-button { display:inline-flex; align-items:center; flex-wrap:wrap; gap:8px; min-height:44px; padding:10px 17px; border:1px solid #c7a18b; border-radius:99px; background:transparent; color:var(--ink); cursor:pointer; font:inherit; }
.like-button:hover { background:#e5d8c9; }
.like-button:disabled { opacity:.6; cursor:wait; }
.like-button:focus-visible { outline:2px solid currentColor; outline-offset:4px; }
.view-count { color:var(--muted); }
.site-stats [data-likes], .site-stats [data-views] { font-variant-numeric:tabular-nums; }

/* 成功点赞后的按钮保持清晰，区别于等待请求的状态。 */
.like-button.is-liked:disabled { opacity:1; cursor:default; color:#87533d; background:#e5d8c9; }


/* 分享声明统一使用纸张色卡片；二维码保留白底与静区，确保可扫描。 */
.sharing-notice {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto 32px;
  padding: 22px 28px;
  border: 1px solid #ded4c7;
  border-radius: var(--radius);
  background: var(--paper);
}

.sharing-copy { min-width: 0; }
.sharing-notice p { margin: 8px 0 6px; color: var(--muted); font-size: 14px; }
.sharing-url {
  color: var(--ink);
  font-size: 16px;
  text-decoration: underline;
  text-decoration-color: #c9b8a8;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}
.site-qr {
  display: grid;
  justify-items: center;
  flex-shrink: 0;
  gap: 5px;
  padding: 6px 6px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
}
.site-qr img { display: block; width: 112px; height: 112px; background: #fff; }
.site-qr:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

@media (max-width: 760px) {
  .support-section { padding: 28px 0 40px; }
  .sharing-notice { padding: 18px; margin-bottom: 26px; gap: 18px; }
  .sharing-notice p { font-size: 13px; }
  .sharing-url { font-size: 14px; }
  .site-qr img { width: 99px; height: 99px; }
}

@media (max-width: 360px) {
  .sharing-notice { padding: 14px; gap: 12px; }
  .sharing-url { font-size: 12px; }
  .site-qr { padding: 4px 4px 6px; }
  .site-qr img { width: 82px; height: 82px; }
}

/* 分享声明独立留在顶部；累计统计在页脚展示。 */
.sharing-section { padding:24px 0 32px; background:#eee7dc; }
.sharing-section .sharing-notice { margin-bottom:0; }
.footer-stats { margin:0 0 24px; }
