/* 轻量合并样式：base + theme + widgets；保留可编辑规则。 */
/* Source: base.css */
:root {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    'PingFang SC',
    'Microsoft YaHei',
    'Noto Sans CJK SC',
    sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 88px;
}
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
}
button,
input {
  font: inherit;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  cursor: pointer;
}
img,
.ui-icon {
  display: block;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #7dd3fc;
  outline-offset: 4px;
}
::selection {
  background: #d9f66a;
  color: #111;
}
.container {
  width: min(1240px, calc(100% - 96px));
  margin-inline: auto;
}
.section-title {
  font-weight: 740;
  letter-spacing: -0.055em;
  line-height: 1.17;
}
.eyebrow {
  font-size: 12px;
  font-weight: 730;
  letter-spacing: 0.1em;
}
.site-header {
  height: 82px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 15;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 19px;
  letter-spacing: -0.04em;
  font-weight: 820;
}
.brand-symbol {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  font-size: 23px;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 38px;
  margin-left: auto;
}
.nav-links button {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.74;
  transition: opacity 0.2s;
}
.nav-links button:hover {
  opacity: 1;
}
.nav-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 20px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
  transition:
    transform 0.2s,
    background 0.2s;
}
.nav-action:hover,
.btn:hover {
  transform: translateY(-2px);
}
.nav-menu {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  place-items: center;
}
.nav-menu .ui-icon {
  width: 21px;
  height: 21px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 56px;
  border: 1px solid transparent;
  padding: 0 26px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 780;
  transition:
    transform 0.2s,
    background 0.2s,
    box-shadow 0.2s;
  white-space: nowrap;
}
.btn .ui-icon,
.nav-action .ui-icon {
  width: 17px;
  height: 17px;
}
.btn-small {
  min-height: 45px;
  padding: 0 20px;
  font-size: 13px;
}
.arrow-top {
  display: inline-block;
  font-size: 19px;
  line-height: 1;
  margin-left: 6px;
}
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.chat-launch:hover {
  transform: translateY(-3px);
  box-shadow: 0 21px 50px #10131a2b;
}
.chat-launch-copy strong {
  font-size: 13px;
  font-weight: 800;
}
.chat-launch-copy small {
  font-size: 10px;
  font-weight: 500;
  color: #929a94;
  white-space: nowrap;
}
.chat-bubble.user {
  align-self: flex-end;
  background: #dff7b0;
  border-radius: 13px 13px 4px 13px;
}
.chat-quick button {
  font-size: 11px;
  border: 1px solid #e5e9e6;
  background: white;
  border-radius: 20px;
  padding: 6px 9px;
  color: #435047;
}
.chat-form input {
  min-width: 0;
  flex: 1;
  border: 1px solid #e9ebee;
  border-radius: 10px;
  padding: 10px 11px;
  font-size: 12px;
  background: #fafafa;
}
.chat-form button {
  border: 0;
  border-radius: 10px;
  background: #18251b;
  color: white;
  padding: 0 15px;
  font-size: 12px;
  font-weight: 700;
}
.chat-toaster.show {
  display: block;
  animation: chat-up 0.2s ease-out;
}
.site-footer {
  margin-top: 0;
  padding: 68px 0 35px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 70px;
  align-items: start;
  padding-bottom: 54px;
}
.footer-intro p {
  max-width: 410px;
  line-height: 1.95;
  font-size: 13px;
  margin-top: 19px;
  opacity: 0.62;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 24px;
}
.footer-links strong {
  display: block;
  font-size: 13px;
  margin-bottom: 18px;
}
.footer-links button {
  display: block;
  font-size: 13px;
  margin: 13px 0;
  opacity: 0.62;
}
.footer-bottom {
  border-top: 1px solid currentColor;
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  opacity: 0.52;
}
.seo-note {
  font-size: 12px;
  line-height: 1.85;
}
.faq-list {
  border-top: 1px solid var(--faq-border, #dfe3e5);
}
.faq-item {
  border-bottom: 1px solid var(--faq-border, #dfe3e5);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  list-style: none;
  padding: 22px 6px 22px 0;
  font-weight: 720;
  font-size: 15px;
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:after {
  content: '+';
  font-size: 25px;
  font-weight: 300;
  line-height: 1;
  opacity: 0.6;
}
.faq-item[open] summary:after {
  content: '−';
}
.faq-item p {
  font-size: 13px;
  line-height: 2;
  color: var(--faq-text, #627078);
  padding: 0 42px 20px 0;
  margin: 0;
}
@media (max-width: 1050px) {
  .container {
    width: min(100% - 64px, 1240px);
  }
  .nav-links {
    gap: 22px;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 68px;
  }
  .container {
    width: calc(100% - 36px);
  }
  .site-header {
    height: 68px;
  }
  .brand {
    font-size: 17px;
  }
  .brand-symbol {
    width: 34px;
    height: 34px;
    border-radius: 11px;
  }
  .nav-menu {
    display: grid;
  }
  .nav-inner {
    gap: 14px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 18px;
    right: 18px;
    padding: 14px 18px;
    background: var(--menu-bg, #fff);
    color: var(--menu-color, #151b18);
    border-radius: 18px;
    box-shadow: 0 18px 45px #07181228;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid #0000000a;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links button {
    padding: 13px 0;
    border-bottom: 1px solid #0000000c;
    opacity: 1;
  }
  .nav-action {
    margin-left: auto;
    padding: 11px 14px;
    font-size: 11px;
  }
  .site-footer {
    padding: 47px 0 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-bottom: 30px;
  }
  .footer-links {
    gap: 18px;
  }
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    line-height: 1.75;
  }
  .chat-launch-copy strong {
    font-size: 11px;
  }
  .chat-launch-copy small,
  .faq-item summary {
    padding: 20px 2px 20px 0;
    font-size: 14px;
    line-height: 1.6;
  }
  .faq-item p {
    padding-right: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
@media (max-width: 360px) {
  .nav-action {
    display: none;
  }
}
.footer-context {
  padding: 20px 0 25px;
  border-top: 1px solid currentColor;
  font-size: 12px;
  line-height: 1.9;
}
.footer-context strong {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
}
.footer-context p {
  margin: 0;
  opacity: 0.76;
}
.footer-context button {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer-context button:hover {
  opacity: 1;
}
/* 页脚友情链接：支持多个链接自动换行。 */
.friend-links {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-bottom: 24px;
  font-size: 12px;
  line-height: 1.9;
}
.friend-links strong {
  flex-shrink: 0;
}
.friend-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  min-width: 0;
}
.friend-links-list a {
  color: inherit;
  opacity: 0.76;
  overflow-wrap: anywhere;
  text-underline-offset: 3px;
}
.friend-links-list a:hover,
.friend-links-list a:focus-visible {
  opacity: 1;
  text-decoration: underline;
}
/* Source: theme.css */
:root {
  --dl-ink: #101714;
  --dl-lime: #dafe9c;
  --dl-muted: #a8b1ac;
  --menu-bg: #fff;
  --menu-color: #111d15;
}
body {
  color: #18221e;
  background: #f8f9f6;
}
.dl-dark {
  background: #101713;
  color: #fff;
  overflow: hidden;
  position: relative;
}
.dl-dark:before {
  content: '';
  position: absolute;
  pointer-events: none;
  width: 960px;
  height: 960px;
  top: -490px;
  right: -360px;
  border-radius: 50%;
  border: 1px solid #fbfffd12;
  box-shadow:
    0 0 0 100px #ffffff04,
    0 0 0 200px #ffffff03;
}
.site-header {
  background: #101713;
  color: #fff;
  border-bottom: 1px solid #ffffff1b;
}
.brand-symbol {
  background: #dafe9c;
  color: #1b3218;
}
.nav-action {
  background: #dafe9c;
  color: #1a241c;
}
.nav-links button {
  color: #e2e8e3;
}
.dl-hero {
  min-height: 642px;
  display: flex;
  align-items: center;
}
.dl-hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 45px;
}
.dl-copy {
  padding: 90px 0 108px;
  position: relative;
  z-index: 3;
}
.dl-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #dafe9c;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
}
.dl-eyebrow i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #dafe9c;
  box-shadow: 0 0 0 5px #dafe9c24;
}
.dl-copy h1 {
  font-size: clamp(46px, 5.5vw, 86px);
  line-height: 1.12;
  letter-spacing: -0.075em;
  font-weight: 820;
  margin: 28px 0 24px;
  white-space: nowrap;
}
.dl-copy h1 em {
  color: #dafe9c;
  font-style: normal;
}
.dl-lead {
  font-size: 16px;
  line-height: 2;
  color: #aab8af;
  max-width: 504px;
  margin: 0 0 34px;
}
.dl-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.dl-btn-lime {
  background: #dafe9c;
  color: #17231b;
}
.dl-btn-outline {
  border-color: #657468;
  color: #f1f8f0;
  background: #ffffff08;
}
.dl-btn-outline:hover {
  background: #ffffff15;
}
.dl-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 21px;
  margin-top: 35px;
  color: #99a89c;
  font-size: 12px;
}
.dl-trust span {
  display: flex;
  align-items: center;
  gap: 9px;
}
.dl-trust .ui-icon {
  width: 15px;
  height: 15px;
  color: #dafe9c;
}
.dl-hero-display {
  height: 630px;
  min-width: 0;
  position: relative;
  z-index: 2;
}
.dl-issue {
  padding: 20px 0;
  background: #eff3ed;
  border-bottom: 1px solid #e1e7df;
}
.dl-issue-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.dl-issue-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.dl-issue-item strong {
  font-size: 12px;
  color: #1a2a20;
}
.dl-issue-item span {
  font-size: 11px;
  color: #78877e;
  margin-left: auto;
}
.dl-issue-item i {
  font-style: normal;
  color: #98ad9c;
  font-size: 12px;
}
.dl-section {
  padding: 126px 0;
}
.dl-heading {
  max-width: 700px;
}
.dl-section-label {
  font-size: 12px;
  font-weight: 750;
  color: #647c63;
  letter-spacing: 0.08em;
}
.dl-heading h2 {
  font-size: clamp(33px, 4.1vw, 55px);
  margin: 16px 0 16px;
}
.dl-heading p {
  color: #728078;
  font-size: 15px;
  line-height: 1.9;
}
.dl-download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 48px;
}
.dl-platform {
  border-radius: 24px;
  padding: 33px 34px 29px;
  min-height: 258px;
  position: relative;
  overflow: hidden;
  border: 1px solid #e2e9e0;
  background: #fff;
  box-shadow: 0 8px 30px #26372b05;
}
.dl-platform:hover {
  box-shadow: 0 20px 60px #26372b12;
}
.dl-platform-head {
  display: flex;
  align-items: center;
  gap: 16px;
}
.dl-platform-icon {
  width: 55px;
  height: 55px;
  border-radius: 17px;
  background: #f3f7f1;
  display: grid;
  place-items: center;
  color: #284c31;
  font-size: 29px;
  font-weight: 850;
}
.dl-platform-head h3 {
  margin: 0 0 5px;
  font-size: 23px;
  letter-spacing: -0.05em;
}
.dl-platform-head p {
  font-size: 12px;
  color: #8b978d;
  margin: 0;
}
.dl-platform > p {
  font-size: 13px;
  line-height: 1.9;
  color: #66776c;
  max-width: 360px;
  margin: 20px 0 27px;
}
.dl-platform-buttons {
  display: flex;
  align-items: center;
  gap: 17px;
  flex-wrap: wrap;
}
.dl-platform-download {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #1f422e;
  color: #fff;
  border-radius: 11px;
  padding: 12px 15px;
  font-size: 12px;
  font-weight: 760;
  transition: transform 0.2s;
}
.dl-platform-download:hover {
  transform: translateY(-2px);
}
.dl-platform-download .ui-icon {
  width: 16px;
  height: 16px;
}
.dl-platform-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 750;
  color: #245a30;
}
.dl-platform-link .ui-icon {
  width: 17px;
  height: 17px;
}
.dl-platform-num {
  position: absolute;
  font-size: 110px;
  font-weight: 840;
  line-height: 1;
  color: #eef2ec;
  right: 19px;
  top: 13px;
  letter-spacing: -0.1em;
  pointer-events: none;
}
.dl-platform-content {
  position: relative;
  z-index: 2;
}
.dl-guide {
  background: #ecf1e9;
}
.dl-guide-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
  align-items: center;
}
.dl-guide h2 {
  font-size: clamp(34px, 4vw, 55px);
  margin: 15px 0;
}
.dl-guide-copy {
  font-size: 14px;
  color: #718074;
  line-height: 2;
  max-width: 365px;
}
.dl-steps {
  display: grid;
  gap: 0;
}
.dl-step {
  display: grid;
  grid-template-columns: 53px 1fr;
  gap: 22px;
  padding: 23px 0;
  border-bottom: 1px solid #cfd9cd;
}
.dl-step:last-child {
  border-bottom: 0;
}
.dl-step-num {
  font-size: 24px;
  font-weight: 750;
  color: #819e82;
}
.dl-step strong {
  font-size: 16px;
}
.dl-step p {
  font-size: 13px;
  color: #758578;
  line-height: 1.8;
  margin: 8px 0 0;
}
.dl-faq {
  background: #f8f9f6;
}
.dl-faq-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 110px;
}
.dl-faq h2 {
  font-size: clamp(32px, 3.7vw, 49px);
  margin: 16px 0;
}
.dl-faq .subcopy {
  font-size: 14px;
  line-height: 1.95;
  color: #89958c;
}
.dl-final {
  background: #dafb9a;
  color: #18271a;
  padding: 80px 0;
  overflow: hidden;
  position: relative;
}
.dl-final:after {
  content: '♠';
  position: absolute;
  font-size: 390px;
  right: 6%;
  top: -155px;
  opacity: 0.1;
  transform: rotate(20deg);
}
.dl-final-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  position: relative;
  z-index: 1;
}
.dl-final h2 {
  font-size: clamp(32px, 4.1vw, 52px);
  margin: 0 0 13px;
  letter-spacing: -0.06em;
}
.dl-final p {
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
  opacity: 0.75;
}
.dl-final .btn {
  background: #172419;
  color: white;
}
.site-footer {
  background: #101713;
  color: #f7faf6;
}
.footer-bottom {
  border-color: #ffffff30;
}
.site-footer .brand-symbol {
  background: #dafe9c;
  color: #152016;
}
@media (max-width: 1100px) {
  .dl-hero-grid {
    gap: 8px;
  }
  .dl-copy h1 {
    font-size: clamp(46px, 5.8vw, 76px);
  }
  .dl-faq-grid {
    gap: 55px;
  }
  .dl-guide-grid {
    gap: 40px;
  }
}
@media (max-width: 760px) {
  .dl-dark:before {
    display: none;
  }
  .dl-hero {
    min-height: 0;
  }
  .dl-hero-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .dl-copy {
    padding: 58px 0 24px;
  }
  .dl-copy h1 {
    font-size: clamp(41px, 9.5vw, 62px);
    white-space: normal;
    line-height: 1.19;
    letter-spacing: -0.065em;
    margin: 20px 0;
  }
  .dl-lead {
    font-size: 14px;
    line-height: 1.88;
    margin-bottom: 26px;
  }
  .dl-actions .btn {
    min-height: 52px;
    padding: 0 18px;
    font-size: 12px;
  }
  .dl-trust {
    margin-top: 24px;
    gap: 14px;
    font-size: 10px;
  }
  .dl-hero-display {
    height: 490px;
    margin: 0 -15px;
  }
  .dl-issue-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .dl-issue {
    padding: 17px 0;
  }
  .dl-section {
    padding: 78px 0;
  }
  .dl-heading h2 {
    font-size: 37px;
  }
  .dl-heading p {
    font-size: 13px;
  }
  .dl-download-grid {
    grid-template-columns: 1fr;
    margin-top: 32px;
    gap: 14px;
  }
  .dl-platform {
    padding: 25px 24px;
    min-height: 225px;
  }
  .dl-platform-head h3 {
    font-size: 21px;
  }
  .dl-platform-num {
    font-size: 85px;
  }
  .dl-guide-grid,
  .dl-faq-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .dl-guide h2,
  .dl-faq h2 {
    font-size: 38px;
  }
  .dl-faq-grid {
    gap: 28px;
  }
  .dl-final {
    padding: 60px 0;
  }
  .dl-final-inner {
    align-items: flex-start;
    flex-direction: column;
  }
  .dl-final h2 {
    font-size: 34px;
  }
  .dl-final:after {
    font-size: 250px;
    right: -60px;
    top: -80px;
  }
  .dl-final .btn {
    min-height: 52px;
  }
}
.dl-cta-guide {
  background: #17271d;
  color: white;
  margin-top: 18px;
}
.cb-heading-gap {
  margin-top: 16px;
}
.no-margin {
  margin: 0;
}
/* Source: widgets.css */
[hidden] {
  display: none !important;
}
.help-fab {
  position: fixed;
  z-index: 110;
  right: 26px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 65px;
  width: 290px;
  padding: 11px 15px;
  border: 1px solid #e8eaf2;
  border-radius: 18px;
  background: #ffffff;
  color: #1c2940;
  box-shadow: 0 16px 60px #0c193a23;
  text-align: left;
  cursor: pointer;
}
.help-fab strong,
.help-fab small {
  display: block;
}
.help-fab strong {
  font-size: 13px;
  font-weight: 750;
}
.help-fab small {
  margin-top: 3px;
  font-size: 11px;
  color: #8490a4;
}
.help-fab > span:last-child {
  margin-left: auto;
  font-size: 18px;
}
.help-fab-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 14px;
  background: #e7eaff;
  color: #4c5eff;
  font-size: 24px;
}
.help-fab[aria-expanded='true'] {
  display: none;
}
.help-popup {
  --pop-accent: #435eff;
  position: fixed;
  z-index: 111;
  right: 24px;
  bottom: 18px;
  width: min(376px, calc(100vw - 28px));
  max-height: min(730px, calc(100dvh - 36px));
  overflow: hidden;
  border: 1px solid #dce5f4;
  border-radius: 20px;
  background: #ffffff;
  color: #172033;
  box-shadow: 0 24px 90px #17274a31;
  animation: help-appear 0.27s ease-out both;
}
.help-popup[hidden] {
  display: none !important;
}
.help-popup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 19px 19px;
  background: #f4f7fd;
  border-bottom: 1px solid #e9eef8;
}
.help-logo {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 9px;
  background: var(--pop-accent);
  color: #fff;
  font-size: 22px;
}
.help-popup-header strong,
.help-popup-header span {
  display: block;
}
.help-popup-header strong {
  font-size: 16px;
  font-weight: 800;
}
.help-popup-header div > span {
  font-size: 11px;
  margin-top: 5px;
  color: #79869c;
}
.help-close {
  margin-left: auto;
  border: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #e9eef8;
  color: #66768e;
  font-size: 23px;
  cursor: pointer;
}
.help-popup-content {
  padding: 17px 19px 14px;
  overflow-y: auto;
  max-height: calc(min(730px, 100dvh - 36px) - 75px);
  scrollbar-width: thin;
}
.help-welcome {
  margin: 0 0 16px;
  font-size: 12px;
  line-height: 1.95;
  color: #52617a;
}
.help-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}
.help-tabs button {
  border: 1px solid #dce5f3;
  padding: 10px 3px;
  border-radius: 9px;
  background: white;
  color: #56667f;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}
.help-tabs button[aria-selected='true'] {
  border-color: #aabbff;
  background: #eef1ff;
  color: var(--pop-accent);
}
.help-answer {
  margin-top: 12px;
  padding: 16px 14px;
  border-radius: 12px;
  background: #f4f7fb;
}
.help-answer strong {
  display: block;
  font-size: 13px;
  font-weight: 800;
}
.help-answer p {
  margin: 10px 0;
  color: #67758d;
  font-size: 12px;
  line-height: 1.9;
}
.help-answer [data-help-guide] {
  color: var(--pop-accent);
  font-weight: 720;
  font-size: 12px;
}
.help-contact {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 14px;
  margin-top: 12px;
  border: 1px solid #dbe4f3;
  border-radius: 12px;
  background: #fff;
}
.help-contact-icon {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  /* 原始 PNG 像素顺时针旋转了 90 度，显示时还原为正向。 */
  transform: rotate(-90deg);
}
.help-contact-id {
  font-size: 20px;
  font-weight: 790;
  min-width: 0;
  overflow-wrap: anywhere;
  letter-spacing: -0.025em;
}
.help-copy {
  min-width: calc(5em + 24px);
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: var(--pop-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 750;
  white-space: nowrap;
  cursor: pointer;
}
.help-question-form {
  margin-top: 15px;
  padding-top: 12px;
  border-top: 1px solid #edf0f4;
}
.help-question-form label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 740;
}
.help-question-row {
  display: flex;
  gap: 6px;
}
.help-question-row input {
  flex: 1;
  min-width: 0;
  border: 1px solid #dce3ee;
  border-radius: 9px;
  padding: 10px;
  background: #fff;
  font-size: 12px;
}
.help-question-row button {
  padding: 0 13px;
  border: 0;
  border-radius: 9px;
  background: #263e5b;
  color: white;
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
}
#help-question-answer {
  font-size: 11px;
  color: #60738b;
  line-height: 1.75;
  margin: 9px 0 0;
}
.help-safety {
  margin: 16px 0 0;
  font-size: 10px;
  color: #91a0b1;
  line-height: 1.7;
}
.site-toast {
  position: fixed;
  z-index: 140;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 13px 17px;
  border-radius: 10px;
  background: #1d2c42;
  color: #fff;
  font-size: 12px;
  line-height: 1.5;
  box-shadow: 0 12px 42px #0004;
  text-align: center;
}
.site-toast[hidden] {
  display: none;
}
@keyframes help-appear {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@media (max-width: 760px) {
  .help-fab {
    right: 12px;
    bottom: 12px;
    width: 250px;
    padding: 8px 12px;
  }
  .help-popup {
    right: 10px;
    bottom: 10px;
    width: min(376px, calc(100vw - 20px));
    max-height: min(730px, calc(100dvh - 20px));
  }
  .help-popup-content {
    max-height: calc(min(730px, 100dvh - 20px) - 75px);
  }
}
@media (max-width: 360px) {
  .help-popup-header {
    padding: 14px;
  }
  .help-popup-content {
    padding: 14px;
  }
  .help-contact {
    padding: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .help-popup {
    animation: none;
  }
}
.heat-section {
  --heat-bg: #172d28;
  --heat-strong: #e4faaf;
  background: var(--heat-bg);
  color: #fff;
  padding: 106px 0 96px;
  position: relative;
  isolation: isolate;
}
.heat-section.heat-club {
  --heat-bg: #1c3340;
  --heat-strong: #b9dcf0;
}
.heat-section.heat-support {
  --heat-bg: #24264b;
  --heat-strong: #bdc0ff;
}
.heat-section .heat-top {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 65px;
  align-items: center;
}
.heat-eyebrow {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
  color: var(--heat-strong);
  margin-bottom: 24px;
}
.heat-heading {
  margin: 0;
  max-width: 700px;
  font-size: clamp(28px, 3.4vw, 45px);
  font-weight: 820;
  letter-spacing: -0.055em;
  line-height: 1.29;
}
.heat-description {
  max-width: 570px;
  color: #d4dce0;
  font-size: 14px;
  line-height: 2;
  margin: 23px 0 0;
}
.heat-stat {
  border: 1px solid #ffffff3d;
  border-radius: 20px;
  padding: 26px 32px;
  background: #ffffff07;
}
.heat-stat-label {
  color: #e5eef2;
  font-size: 12px;
  font-weight: 620;
}
.heat-stat-number {
  margin: 13px 0 5px;
  font-size: clamp(66px, 7vw, 104px);
  font-family: Georgia, serif;
  font-weight: 800;
  line-height: 1;
  color: var(--heat-strong);
  letter-spacing: -0.07em;
}
.heat-stat-note {
  font-size: 11px;
  color: #bbc8d2;
}
.heat-topic-row {
  margin-top: 43px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.heat-topic {
  display: block;
  padding: 19px 20px;
  border: 1px solid #ffffff2c;
  border-radius: 14px;
  background: #ffffff0c;
  transition:
    transform 0.2s,
    background 0.2s;
}
.heat-topic:hover {
  transform: translateY(-3px);
  background: #ffffff16;
}
.heat-topic strong {
  display: block;
  font-size: 14px;
  font-weight: 750;
}
.heat-topic span {
  display: block;
  margin-top: 7px;
  font-size: 11px;
  line-height: 1.7;
  color: #cbd7dd;
}
.heat-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}
.heat-note {
  padding: 25px 27px;
  border-radius: 15px;
  background: #ffffff12;
}
.heat-note .heat-note-meta {
  display: block;
  color: var(--heat-strong);
  font-size: 11px;
  font-weight: 680;
}
.heat-note h3 {
  margin: 15px 0 9px;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.025em;
}
.heat-note p {
  margin: 0;
  color: #d0d9df;
  font-size: 12px;
  line-height: 1.9;
}
.heat-note button {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--heat-strong);
}
@media (max-width: 760px) {
  .heat-section {
    padding: 62px 0 66px;
  }
  .heat-section .heat-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .heat-heading {
    font-size: clamp(27px, 7.4vw, 37px);
  }
  .heat-stat {
    padding: 22px 24px;
  }
  .heat-stat-number {
    font-size: 66px;
  }
  .heat-topic-row {
    margin-top: 28px;
    grid-template-columns: 1fr;
    gap: 9px;
  }
  .heat-notes {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .heat-topic {
    padding: 16px 18px;
  }
  .heat-note {
    padding: 21px;
  }
}
.error-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: #f5f7fb;
  color: #182231;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
.error-bar {
  width: min(1060px, calc(100% - 48px));
  margin: 0 auto;
  padding: 30px 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.error-logo {
  font-weight: 850;
  font-size: 18px;
  letter-spacing: -0.03em;
}
.error-logo span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #1c3028;
  color: #d7f2a3;
  margin-right: 8px;
}
.error-bar a:last-child {
  color: #617186;
  font-size: 13px;
}
.error-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 42px 24px 80px;
}
.error-card {
  text-align: center;
  max-width: 680px;
  width: 100%;
}
.error-number {
  font-weight: 850;
  font-size: clamp(105px, 20vw, 230px);
  letter-spacing: -0.09em;
  line-height: 0.95;
  color: #dfe5ef;
}
.error-eyebrow {
  margin: 29px 0 15px;
  color: #728197;
  font-weight: 760;
  font-size: 11px;
  letter-spacing: 0.14em;
}
.error-card h1 {
  margin: 0;
  font-size: clamp(28px, 5.6vw, 46px);
  line-height: 1.35;
  letter-spacing: -0.05em;
}
.error-card h1 em {
  font-style: normal;
  color: #435eff;
}
.error-card > p {
  margin: 19px auto 0;
  max-width: 525px;
  font-size: 14px;
  line-height: 2;
  color: #718094;
}
.error-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 29px 0 0;
}
.error-actions a,
.error-actions button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid #d5deeb;
  background: #fff;
  color: #27384e;
  font-size: 13px;
  font-weight: 750;
}
.error-actions a:first-child {
  background: #435eff;
  border-color: #435eff;
  color: #fff;
}
.error-links {
  display: flex;
  justify-content: center;
  gap: 19px;
  flex-wrap: wrap;
  margin-top: 25px;
}
.error-links a {
  font-size: 12px;
  color: #667993;
}
.error-countdown {
  font-size: 12px;
  color: #8290a6;
  margin-top: 26px;
}
.error-legal {
  padding: 22px 24px;
  font-size: 11px;
  text-align: center;
  color: #a1adbb;
}
.error-page.error-club {
  background: #f7f5ef;
}
.error-club .error-logo span {
  background: #244b3b;
  color: #e8f0d0;
}
.error-club .error-card h1 em {
  color: #bd6b49;
}
.error-club .error-number {
  color: #e5e4dc;
}
.error-club .error-actions a:first-child {
  background: #244b3b;
  border-color: #244b3b;
}
.error-page.error-support {
  background: #f6f4ff;
}
.error-support .error-logo span {
  background: #5e59c3;
  color: #fff;
}
.error-support .error-actions a:first-child {
  background: #5e59c3;
  border-color: #5e59c3;
}
.error-support .error-card h1 em {
  color: #5e59c3;
}
@media (max-width: 560px) {
  .error-bar {
    width: calc(100% - 36px);
  }
  .error-main {
    padding-bottom: 32px;
  }
  .error-card h1 {
    font-size: 30px;
  }
}
.error-actions button {
  cursor: pointer;
  font: inherit;
}
/* 图片展示：使用响应式尺寸，图片不拉伸、保留真实宽高。 */
.dl-hero-display.hero-raster {
  height: auto;
  aspect-ratio: 562 / 631;
  min-width: 0;
}
.dl-hero-display .hero-picture,
.dl-hero-display .hero-picture img {
  display: block;
  width: 100%;
  height: 100%;
}
.dl-hero-display .hero-picture img {
  object-fit: contain;
}
@media (max-width: 760px) {
  .dl-hero-display.hero-raster {
    height: auto;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 530px;
  }
}

/* V5.1 无参数导航：用语义按钮在本页滚动，不伪造可抓取的重复链接。 */
.nav-links button,
.footer-links button,
.footer-context button,
.heat-note button,
.help-answer [data-help-guide] {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}
.nav-links button {
  display: block;
}
.footer-links button {
  cursor: pointer;
}
.nav-action {
  border: 0;
}
.heat-topic {
  width: 100%;
  color: inherit;
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.heat-note button {
  color: var(--heat-strong);
}
.footer-context button {
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: inherit;
}
.help-answer [data-help-guide] {
  color: var(--pop-accent);
  font-size: 12px;
  font-weight: 720;
}
.dl-platform-download {
  border: 0;
}
.dl-platform-link {
  border: 0;
  padding: 0;
  background: none;
}
.sr-only:focus-visible {
  position: fixed !important;
  top: 12px;
  left: 12px;
  width: auto !important;
  height: auto !important;
  clip: auto !important;
  margin: 0 !important;
  padding: 10px 16px !important;
  overflow: visible !important;
  z-index: 200;
  background: #fff;
  color: #172033;
  border-radius: 8px;
}
@media (max-width: 760px) {
  .nav-links button {
    width: 100%;
    text-align: left;
  }
}

/* PNG 图标与联系渠道 */
.ui-icon {
  object-fit: contain;
  flex-shrink: 0;
}
.brand-mark {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}
.brand-symbol .brand-mark {
  filter: brightness(0);
}
.help-logo .brand-mark {
  width: 25px;
  height: 25px;
}
.santiao-download-link {
  color: #2863a5;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.help-santiao-faq {
  margin-top: 16px;
  border-top: 1px solid #dbe4f3;
  padding-top: 12px;
}
.help-santiao-faq summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: #263a55;
}
.help-santiao-faq p {
  font-size: 12px;
  line-height: 1.9;
  color: #596b83;
  margin: 10px 0 0;
}
#help-question-answer a {
  display: inline-block;
  margin-top: 6px;
}
.nav-menu .ui-icon,
.dl-trust .ui-icon,
.dl-platform-download .ui-icon,
.dl-cta-guide .ui-icon,
.dl-final .ui-icon {
  filter: brightness(0) invert(1);
}

/* 独立内容页：长关键词标题和较完整正文的响应式适配。 */
body {
  min-width: 0;
}
body[data-theme] [data-edit='hero_heading'] {
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.22;
  letter-spacing: -0.035em;
  white-space: normal;
  overflow-wrap: anywhere;
}
body[data-theme] [data-edit='hero_heading'] span,
body[data-theme] [data-edit='hero_heading'] em {
  display: inline;
  white-space: normal;
}
.cb-hero h1 em::after {
  display: none;
}
.dl-copy,
.cb-hero-copy,
.sp-hero-copy {
  min-width: 0;
}
.cb-feature p,
.cb-topic-big p,
.cb-topic-small p {
  line-height: 1.9;
}
.hero-picture img {
  object-fit: contain;
}
.dl-platform-buttons {
  flex-wrap: wrap;
}
@media (max-width: 760px) {
  body[data-theme] [data-edit='hero_heading'] {
    font-size: clamp(30px, 8.2vw, 40px);
  }
  .nav-action {
    max-width: 48%;
  }
}
@media (max-width: 600px) {
  .site-header .nav-action {
    display: none;
  }
  .nav-inner {
    gap: 12px;
  }
  .brand {
    min-width: 0;
  }
}