/* roulang page: index */
:root {
  --primary: #145C4F;
  --primary-dark: #0F4037;
  --accent: #C5965C;
  --accent-dark: #B88144;
  --paper: #F7F5F0;
  --ink: #16211D;
  --muted: #66736E;
  --line: #E7E1D3;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font-family: inherit;
}

.base-container {
  width: min(1200px, calc(100% - 2rem));
  margin-inline: auto;
}

.reading-container {
  width: min(780px, calc(100% - 2rem));
  margin-inline: auto;
}

.page-section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(20, 92, 79, .08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(28px, 4vw, 34px);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.section-lead {
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

.copper-rule {
  width: 24px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  transition: background .2s, border-color .2s, color .2s, box-shadow .2s, transform .1s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(.98);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 12px 24px rgba(15, 64, 55, .2);
}

.btn-outline {
  background: transparent;
  border-color: rgba(20, 92, 79, .28);
  color: var(--primary);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(197, 150, 92, .08);
}

.btn-copper {
  background: var(--accent);
  color: #2A1F13;
}

.btn-copper:hover {
  background: var(--accent-dark);
  color: #1E140B;
}

.btn-white-outline {
  border: 1px solid rgba(255, 255, 255, .45);
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

.btn-white-outline:hover {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .7);
}

.btn.disabled,
.btn[disabled] {
  background: #C5C0B5 !important;
  color: #fff !important;
  pointer-events: none;
}

/* Focus */
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* Header */
.header-wrap {
  min-height: 72px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1200px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  min-height: 72px;
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid rgba(231, 225, 211, .7);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(21, 34, 29, .05);
}

.logo-brand {
  font-weight: 800;
  font-size: 21px;
  color: var(--primary);
  letter-spacing: -.01em;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: #26312D;
  padding: 10px 6px;
  font-weight: 500;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width .22s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 24px;
}

.nav-link.is-active {
  color: var(--primary);
  font-weight: 700;
}

.search-field {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  height: 38px;
  width: 190px;
  padding: 0 12px 0 34px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s, width .2s;
}

.search-field::placeholder {
  color: #98A09C;
}

.search-field:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(20, 92, 79, .1);
  outline: none;
}

.mobile-panel {
  display: none;
}

.mobile-panel.open {
  display: block;
}

@media (max-width: 1023px) {
  .desktop-nav,
  .header-search,
  .header-action .btn-outline {
    display: none;
  }

  .header-wrap {
    min-height: 60px;
  }

  .site-header {
    min-height: 60px;
  }
}

/* Hero */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(197, 150, 92, .35);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(21, 34, 29, .05);
}

.hero-window {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(12, 50, 42, .2);
  border: 1px solid #fff;
}

.hero-corner {
  position: absolute;
  top: 14px;
  right: -52px;
  background: var(--accent);
  color: #2A1F13;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 62px;
  transform: rotate(45deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
}

.hero-status-bar {
  background: linear-gradient(180deg, rgba(15, 64, 55, .9), rgba(15, 64, 55, .62));
  backdrop-filter: blur(6px);
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(20, 92, 79, .1);
  color: var(--primary);
  font-size: 14px;
}

.mini-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(20, 92, 79, .12);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

/* Cards */
.card-shadow {
  box-shadow: 0 1px 2px rgba(21, 34, 29, .04), 0 8px 20px rgba(21, 34, 29, .04);
}

.card-lift {
  transition: transform .22s, box-shadow .22s;
}

.card-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(21, 34, 29, .06), 0 18px 32px rgba(21, 34, 29, .1);
}

/* Preview carousel */
.preview-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 8px 4px 24px;
}

.preview-track::-webkit-scrollbar {
  display: none;
}

.preview-card {
  flex: 0 0 86%;
  scroll-snap-align: center;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(21, 34, 29, .04), 0 10px 24px rgba(21, 34, 29, .07);
  transition: transform .22s, box-shadow .22s;
  position: relative;
}

.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(21, 34, 29, .06), 0 22px 38px rgba(21, 34, 29, .12);
}

@media (min-width: 768px) {
  .preview-card {
    flex-basis: 48%;
  }
}

@media (min-width: 1100px) {
  .preview-card {
    flex-basis: calc((100% - 40px) / 3);
  }
}

.preview-media {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  object-position: center;
}

.preview-media.feature {
  object-position: top center;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #C7CCCA;
  display: inline-block;
  transition: background .2s, width .2s;
}

.dot.is-active {
  width: 18px;
  background: var(--accent);
}

/* Table */
.table-scroll {
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.sys-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.sys-table th {
  background: rgba(20, 92, 79, .06);
  color: var(--primary);
  font-weight: 700;
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
}

.sys-table td {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.sys-table tbody tr {
  transition: background .2s;
}

.sys-table tbody tr:hover {
  background: #FAF7F0;
}

@media (max-width: 640px) {
  .sys-table thead {
    display: none;
  }

  .sys-table,
  .sys-table tbody,
  .sys-table tr,
  .sys-table td {
    display: block;
    width: 100%;
  }

  .sys-table tr {
    border-bottom: 1px solid var(--line);
    padding: 6px 0;
    background: #fff;
  }

  .sys-table td {
    border-top: 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 14px;
  }

  .sys-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-weight: 600;
    min-width: 92px;
  }

  .sys-table tr:first-child td:first-child::before {
    min-width: 92px;
  }
}

/* Review / rating item */
.person-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 92, 79, .14);
  color: var(--primary);
  font-weight: 800;
  font-size: 15px;
}

.review-grid {
  columns: 1;
  column-gap: 18px;
}

.review-item {
  break-inside: avoid;
  margin-bottom: 18px;
  display: inline-block;
  width: 100%;
}

@media (min-width: 640px) {
  .review-grid {
    columns: 2;
  }
}

@media (min-width: 1024px) {
  .review-grid {
    columns: 4;
  }
}

/* CMS lists */
.cms-feature-card {
  display: flex;
  flex-direction: column;
  background: #fff;
}

@media (min-width: 640px) {
  .cms-feature-card {
    flex-direction: row;
  }
}

.list-row {
  transition: transform .18s, background .18s;
}

.list-row:hover {
  transform: translateX(4px);
}

.list-row + .list-row {
  border-top: 1px solid var(--line);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 18px 20px;
  transition: border-color .2s, box-shadow .2s;
}

.faq-item:hover {
  border-color: rgba(20, 92, 79, .45);
  box-shadow: 0 10px 24px rgba(21, 34, 29, .05);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-weight: 600;
  font-size: 16px;
}

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

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 92, 79, .08);
  color: var(--primary);
  font-size: 18px;
  font-weight: 500;
  transition: transform .25s, background .25s;
  flex-shrink: 0;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: rgba(197, 150, 92, .18);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .3s ease, opacity .3s ease, margin-top .3s ease;
}

.faq-item[open] .faq-answer {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 8px;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer-inner p {
  color: var(--muted);
  font-size: 15px;
}

/* QR block */
.qr-shell {
  width: 128px;
  height: 128px;
  background: #fff;
  border-radius: 14px;
  padding: 8px;
  display: grid;
  place-items: center;
}

.qr-grid {
  width: 112px;
  height: 112px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 4px;
}

.qr-grid span {
  background: #1D2924;
  border-radius: 2px;
}

.qr-grid .qh {
  background: transparent;
}

/* Footer */
.footer-link {
  color: #49605A;
  font-size: 14px;
  transition: color .2s;
}

.footer-link:hover {
  color: var(--primary);
}

/* misc */
.empty-card {
  border: 1px dashed #C7CABA;
  border-radius: 14px;
  background: #FAF9F5;
  color: var(--muted);
  padding: 32px 20px;
  text-align: center;
  font-size: 15px;
}

.star-rating i {
  color: var(--accent);
  font-size: 14px;
}

.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(20, 92, 79, .1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}

.tag-chip {
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .page-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

@media (max-width: 520px) {
  .base-container,
  .reading-container {
    width: min(100% - 20px, 1200px);
  }
}

/* roulang page: category1 */
:root {
  --primary: #145C4F;
  --primary-dark: #0F4037;
  --accent: #C5965C;
  --accent-dark: #B88144;
  --paper: #F7F5F0;
  --line: #E7E1D3;
  --muted: #66736E;
  --ink: #16211D;
  --radius: 14px;
  --shadow-soft: 0 1px 2px rgba(21,34,29,.04), 0 8px 20px rgba(21,34,29,.04);
  --shadow-hov: 0 4px 8px rgba(21,34,29,.06), 0 18px 32px rgba(21,34,29,.10);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .2s ease;
}
input, button {
  font-family: inherit;
}
.base-container {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  min-height: 72px;
  background: rgba(247, 245, 240, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231, 225, 211, .7);
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  border-bottom-color: rgba(231, 225, 211, .9);
  box-shadow: 0 8px 30px rgba(21, 34, 29, .04);
}
.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}
.logo-brand {
  color: var(--primary);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.02em;
  white-space: nowrap;
  position: relative;
}
.logo-brand::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.desktop-nav {
  gap: 28px;
  margin: 0 auto;
}
.desktop-nav .nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  padding: 26px 2px 20px;
  line-height: 1;
  transition: color .2s ease;
}
.desktop-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transition: width .25s ease;
}
.desktop-nav .nav-link:hover,
.desktop-nav .nav-link.is-active {
  color: var(--primary);
}
.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.is-active::after {
  width: 24px;
}
.header-action {
  flex-shrink: 0;
}
.search-field {
  width: 196px;
  height: 40px;
  padding: 0 14px 0 36px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search-field:focus {
  border-color: rgba(20, 92, 79, .5);
  box-shadow: 0 0 0 3px rgba(20, 92, 79, .08);
}
.search-field::placeholder {
  color: #9EA7A3;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  min-width: 120px;
  padding: 0 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn:active {
  transform: scale(.97);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
}
.btn-outline {
  background: #fff;
  border-color: rgba(20, 92, 79, .25);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(20, 92, 79, .05);
  border-color: rgba(20, 92, 79, .4);
}
.btn-accent {
  background: var(--accent);
  color: #2A1F13;
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
}
.btn-sm {
  height: 38px;
  min-width: 100px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 13px;
}
.mobile-panel {
  display: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.mobile-panel.is-open {
  display: block;
  max-height: 520px;
}
.mobile-panel a {
  font-size: 15px;
}
.footer-link {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-link:hover {
  color: var(--primary);
  padding-left: 3px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: .02em;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.page-hero {
  background: linear-gradient(180deg, #F0EDE5 0%, var(--paper) 100%);
  border-bottom: 1px solid rgba(231, 225, 211, .8);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(20, 92, 79, .08) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}
.breadcrumb {
  color: var(--muted);
  font-size: 13px;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.icon-tile {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(20, 92, 79, .08);
  color: var(--primary);
  font-size: 20px;
}
.soft-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.soft-card:hover {
  transform: translateY(-2px);
  border-color: rgba(20, 92, 79, .25);
  box-shadow: var(--shadow-hov);
}
.custom-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.custom-table thead th {
  background: rgba(20, 92, 79, .07);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 14px 18px;
  text-align: left;
  letter-spacing: .02em;
  border-bottom: 1px solid var(--line);
}
.custom-table td {
  padding: 16px 18px;
  font-size: 14px;
  border-bottom: 1px solid rgba(231, 225, 211, .65);
  color: var(--ink);
  vertical-align: top;
}
.custom-table tbody tr:last-child td {
  border-bottom: none;
}
.custom-table tbody tr {
  transition: background .18s ease;
}
.custom-table tbody tr:hover {
  background: #FAF7F0;
}
.version-row {
  display: grid;
  grid-template-columns: 170px 1.1fr 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: transform .2s ease;
}
.version-row:hover {
  transform: translateX(4px);
}
.version-row:last-child {
  border-bottom: none;
}
.badge-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
}
.badge-green {
  background: rgba(20, 92, 79, .1);
  color: var(--primary);
}
.badge-copper {
  background: rgba(197, 150, 92, .15);
  color: #8B5F2F;
}
.step-index {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  font-style: normal;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 20px 22px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover {
  border-color: rgba(197, 150, 92, .6);
  box-shadow: var(--shadow-soft);
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}
.faq-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(20, 92, 79, .1);
  color: var(--primary);
  font-weight: 700;
  transition: transform .25s ease;
}
.cta-return {
  background: #eef1ec;
  border: 1px solid var(--line);
  border-radius: 18px;
}
@media (max-width: 1024px) {
  .version-row {
    grid-template-columns: 150px 1fr;
  }
  .version-row .version-row-actions {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
}
@media (max-width: 640px) {
  .base-container {
    width: calc(100% - 32px);
  }
  .search-field {
    display: none;
  }
  .page-hero {
    padding-top: 20px;
  }
  .custom-table {
    min-width: 680px;
  }
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-inline: -16px;
    padding-inline: 16px;
  }
  .custom-table thead th,
  .custom-table td {
    padding: 12px 14px;
  }
  .version-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0;
  }
  .version-row .version-row-actions {
    grid-column: auto;
  }
  .soft-card {
    padding: 20px;
  }
  .btn {
    min-width: 100px;
    padding: 0 16px;
  }
}

/* roulang page: article */
:root {
  --primary: #145C4F;
  --primary-deep: #0F4037;
  --accent: #C5965C;
  --accent-hover: #B88144;
  --paper: #F7F5F0;
  --ink: #16211D;
  --muted: #66736E;
  --line: #E7E1D3;
  --white: #FFFFFF;
  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-card: 0 1px 2px rgba(21, 34, 29, .04), 0 8px 20px rgba(21, 34, 29, .04);
  --shadow-hover: 0 4px 8px rgba(21, 34, 29, .06), 0 18px 32px rgba(21, 34, 29, .10);
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
button, input, select {
  font-family: inherit;
}
h1, h2, h3, h4, p, figure {
  margin: 0;
}
.base-container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 245, 240, .76);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(21, 34, 29, .05);
}
.header-wrap {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.logo-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo-brand::after {
  content: '登录入口';
  display: inline-block;
  margin-left: 7px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(197, 150, 92, .14);
  color: #8f6234;
  font-size: 11px;
  font-weight: 600;
  vertical-align: middle;
}
.nav-link {
  position: relative;
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 2px;
  transition: color .2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  transition: width .25s ease;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.is-active::after {
  width: 24px;
}
.nav-link.is-active {
  color: var(--primary);
  font-weight: 700;
}
.search-field {
  width: 190px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 12px;
  padding: 0 14px 0 38px;
  font-size: 13.5px;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search-field::placeholder {
  color: #98A09C;
}
.search-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(20, 92, 79, .10);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  min-width: 120px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease, color .25s ease, transform .15s ease, box-shadow .25s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:active {
  transform: scale(.98);
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  box-shadow: 0 6px 14px rgba(20, 92, 79, .18);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(.98);
}
.btn-outline {
  background: var(--white);
  border-color: var(--line);
  color: var(--primary);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(197, 150, 92, .07);
  color: var(--primary-deep);
}
.btn-copper {
  background: var(--accent);
  color: #2A1F13;
  border-color: var(--accent);
}
.btn-copper:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 8px 18px rgba(197, 150, 92, .22);
  transform: translateY(-1px);
}
.btn-disabled,
.btn:disabled {
  background: #C5C0B5;
  border-color: #C5C0B5;
  color: #ffffff;
  cursor: not-allowed;
}
.mobile-panel {
  display: none;
}
.mobile-panel.open {
  display: block;
}
.section-space {
  padding-block: 96px;
}
.paper-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.footer-link {
  color: var(--muted);
  font-size: 14px;
  transition: color .2s ease;
}
.footer-link:hover {
  color: var(--primary);
}
.breadcrumb-link {
  color: var(--muted);
  font-size: 13px;
  transition: color .2s ease;
}
.breadcrumb-link:hover {
  color: var(--primary);
}
.article-head-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(20, 92, 79, .06);
  color: var(--primary);
  border: 1px solid rgba(20, 92, 79, .10);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 600;
}
.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 13.5px;
}
.article-body-container {
  max-width: 820px;
  margin-inline: auto;
  padding: 80px 24px 48px;
}
.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}
.article-body p {
  margin-bottom: 1.6em;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 2em 0 .8em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 1.8em 0 .7em;
  color: var(--ink);
}
.article-body h4,
.article-body h5 {
  font-size: 17px;
  font-weight: 700;
  margin: 1.5em 0 .6em;
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.6em;
  padding-left: 1.25em;
}
.article-body ul li {
  list-style: disc;
  margin-bottom: .6em;
}
.article-body ol li {
  list-style: decimal;
  margin-bottom: .6em;
}
.article-body blockquote {
  margin: 1.8em 0;
  padding: 20px 24px;
  background: #F3F0E8;
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: #4b5a54;
  font-size: 15px;
}
.article-body a {
  color: var(--primary);
  font-weight: 500;
  border-bottom: 1px solid rgba(20, 92, 79, .35);
  transition: border-color .2s ease;
}
.article-body a:hover {
  border-bottom-color: var(--primary);
}
.article-body img {
  border-radius: 14px;
  margin: 30px 0;
  box-shadow: var(--shadow-card);
}
.article-body figure {
  margin: 30px 0;
}
.article-body figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}
.article-body pre {
  background: #1C2823;
  color: #E8F3EE;
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  line-height: 1.7;
  font-size: 14px;
  margin: 24px 0;
}
.article-body code {
  background: rgba(20, 92, 79, .08);
  color: var(--primary-deep);
  padding: 3px 7px;
  border-radius: 6px;
  font-size: .9em;
}
.article-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
}
.article-body th {
  background: rgba(20, 92, 79, .06);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  padding: 12px 16px;
}
.article-body td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}
.article-body tr:hover td {
  background: #FAF7F0;
}
.article-tag {
  display: inline-flex;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  transition: border-color .2s ease, color .2s ease;
}
.article-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.prev-next-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  min-height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  transition: box-shadow .25s ease, border-color .25s ease, transform .25s ease;
}
.prev-next-card:hover {
  border-color: rgba(20, 92, 79, .3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.download-qr-frame {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .98);
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px var(--line);
}
.section-overline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-hover);
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.section-overline::before {
  content: '';
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}
@media (max-width: 1023px) {
  .section-space {
    padding-block: 72px;
  }
}
@media (max-width: 639px) {
  .header-wrap {
    height: 64px;
    padding-inline: 16px;
  }
  .base-container {
    padding-inline: 18px;
  }
  .article-body-container {
    padding: 40px 18px 32px;
  }
  .article-body {
    font-size: 15px;
    line-height: 1.85;
  }
  .article-body h2 {
    font-size: 22px;
  }
  .article-body h3 {
    font-size: 18px;
  }
}

/* roulang page: category2 */
:root {
    --primary: #145C4F;
    --primary-dark: #0F4037;
    --accent: #C5965C;
    --accent-dark: #B88144;
    --paper: #F7F5F0;
    --white: #FFFFFF;
    --ink: #16211D;
    --muted: #66736E;
    --line: #E7E1D3;
    --radius-card: 14px;
    --shadow-card: 0 1px 2px rgba(21, 34, 29, .04), 0 8px 20px rgba(21, 34, 29, .04);
    --shadow-hover: 0 4px 8px rgba(21, 34, 29, .06), 0 18px 32px rgba(21, 34, 29, .10);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  * {
    box-sizing: border-box;
  }

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

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

  button,
  input {
    font-family: inherit;
    outline: none;
  }

  .base-container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    height: 72px;
    background: rgba(247, 245, 240, .82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  }

  .site-header.scrolled {
    background: rgba(255, 255, 255, .92);
    border-color: var(--line);
    box-shadow: 0 8px 24px rgba(21, 34, 29, .06);
  }

  .header-wrap {
    max-width: 1240px;
    height: 72px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .logo-brand {
    font-size: 21px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .01em;
    line-height: 1.2;
    position: relative;
  }

  .logo-brand::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 28px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
  }

  .desktop-nav .nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: #33413C;
    padding: 6px 2px;
    transition: color .25s ease;
  }

  .desktop-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 0;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
    transform: translateX(-50%);
    transition: width .3s ease;
  }

  .desktop-nav .nav-link:hover {
    color: var(--primary);
  }

  .desktop-nav .nav-link:hover::after,
  .desktop-nav .nav-link.is-active::after {
    width: 24px;
  }

  .desktop-nav .nav-link.is-active {
    color: var(--primary);
    font-weight: 700;
  }

  .header-search .search-field {
    width: 160px;
    height: 40px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 10px;
    padding: 0 12px 0 36px;
    font-size: 13px;
    color: var(--ink);
    transition: box-shadow .25s ease, border-color .25s ease, width .3s ease;
  }

  .header-search .search-field:focus {
    width: 190px;
    border-color: rgba(20, 92, 79, .45);
    box-shadow: 0 0 0 3px rgba(20, 92, 79, .12);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .25s ease, color .25s ease, border-color .25s ease, transform .15s ease, box-shadow .25s ease;
  }

  .btn:active {
    transform: scale(.98);
  }

  .btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 14px rgba(20, 92, 79, .16);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
  }

  .btn-primary:active {
    background: #0C352C;
  }

  .btn-outline {
    background: rgba(255, 255, 255, .6);
    border-color: rgba(20, 92, 79, .35);
    color: var(--primary);
  }

  .btn-outline:hover {
    background: rgba(197, 150, 92, .08);
    border-color: rgba(20, 92, 79, .55);
    color: var(--primary);
  }

  .btn-accent {
    background: var(--accent);
    color: #2A1F13;
    box-shadow: 0 6px 16px rgba(197, 150, 92, .18);
  }

  .btn-accent:hover {
    background: #E0B87C;
    color: #2A1F13;
  }

  .btn-accent:active {
    background: var(--accent-dark);
  }

  .mobile-panel {
    display: none;
  }

  .mobile-panel.open {
    display: block;
  }

  /* 分类页页头 */
  .category-banner {
    padding-top: 140px;
    padding-bottom: 72px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .icon-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .85);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow-card);
  }

  .icon-chip i {
    color: var(--accent);
  }

  .category-banner .title-underline {
    width: 36px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
  }

  .category-banner .banner-image-frame {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    border: 1px solid rgba(231, 225, 211, .9);
    background: #fff;
  }

  /* 帮助导览 */
  .section-space {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .section-heading {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--ink);
    letter-spacing: .01em;
  }

  .section-line {
    width: 32px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
  }

  .sub-muted {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .help-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 44px;
  }

  .help-index-wrap {
    position: sticky;
    top: 110px;
    align-self: start;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-card);
  }

  .help-index-title {
    font-size: 15px;
    font-weight: 800;
    color: var(--ink);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 10px;
  }

  .help-index-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 10px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #33413C;
    transition: background .2s ease, color .2s ease, transform .2s ease;
  }

  .help-index-link i {
    width: 18px;
    text-align: center;
    font-size: 13px;
    color: var(--accent);
  }

  .help-index-link:hover {
    background: #F7F5F0;
    color: var(--primary);
    transform: translateX(4px);
  }

  .help-entry-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px 28px 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
    transition: box-shadow .3s ease, border-color .3s ease;
  }

  .help-entry-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(20, 92, 79, .18);
  }

  .entry-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(20, 92, 79, .07);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
  }

  .help-entry-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.4;
    margin-top: 14px;
  }

  .help-entry-card > p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 10px;
  }

  .guide-details {
    margin-top: 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #FDFCFA;
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .guide-details:hover {
    border-color: rgba(197, 150, 92, .4);
  }

  .guide-details summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
  }

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

  .guide-details .angle-btn {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(20, 92, 79, .08);
    color: var(--primary);
    display: grid;
    place-items: center;
    font-size: 12px;
    transition: transform .3s ease, background .3s ease;
  }

  .guide-details[open] .angle-btn {
    transform: rotate(45deg);
    background: rgba(197, 150, 92, .2);
  }

  .guide-steps {
    padding: 4px 18px 18px;
    border-top: 1px dashed var(--line);
    margin: 0 16px;
    max-width: calc(100% - 32px);
  }

  .guide-steps li {
    display: flex;
    gap: 10px;
    font-size: 14px;
    color: #33413C;
    line-height: 1.8;
    margin-top: 12px;
  }

  .guide-steps li i {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 5px;
    border-radius: 50%;
    background: rgba(20, 92, 79, .1);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
  }

  /* 常见问题 */
  .faq-card-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .faq-item:hover {
    border-color: rgba(20, 92, 79, .3);
    box-shadow: var(--shadow-card);
  }

  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 20px 22px;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    gap: 20px;
  }

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

  .faq-item .faq-icon {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(20, 92, 79, .06);
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 15px;
    transition: transform .3s ease, background .3s ease, color .3s ease;
  }

  .faq-item[open] .faq-icon {
    transform: rotate(135deg);
    background: var(--primary);
    color: #fff;
  }

  .faq-answer {
    padding: 0 22px 22px;
    color: #33413C;
    font-size: 14px;
    line-height: 2;
    border-top: 1px dashed var(--line);
    padding-top: 14px;
    margin: 0 22px 0;
    max-width: calc(100% - 44px);
  }

  /* 摘要网格 */
  .digest-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
  }

  .digest-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: rgba(20, 92, 79, .18);
  }

  .digest-image {
    aspect-ratio: 16 / 8;
    overflow: hidden;
  }

  .digest-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }

  .digest-card:hover .digest-image img {
    transform: scale(1.03);
  }

  .digest-body {
    padding: 20px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .digest-body h3 {
    font-size: 18px;
    font-weight: 800;
    line-height: 1.5;
    color: var(--ink);
    margin-top: 12px;
  }

  .digest-body p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
  }

  .digest-link {
    margin-top: auto;
    padding-top: 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
  }

  .digest-link i {
    transition: transform .25s ease;
  }

  .digest-link:hover i {
    transform: translateX(4px);
  }

  .return-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    padding: 8px 0;
    transition: gap .25s ease;
  }

  .return-home:hover {
    gap: 12px;
    color: var(--primary-dark);
  }

  /* footer 样式 */
  .footer-link {
    color: var(--muted);
    font-size: 14px;
    transition: color .2s ease, padding-left .2s ease;
  }

  .footer-link:hover {
    color: var(--primary);
    padding-left: 3px;
  }

  @media (max-width: 1023px) {
    .site-header,
    .header-wrap {
      height: 60px;
    }

    .header-wrap {
      padding: 0 16px;
    }

    .category-banner {
      padding-top: 110px;
      padding-bottom: 56px;
    }

    .help-layout {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .help-index-wrap {
      position: static;
    }

    .section-space {
      padding-top: 64px;
      padding-bottom: 64px;
    }

    .section-heading {
      font-size: 24px;
    }
  }

  @media (max-width: 767px) {
    .base-container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .category-banner {
      padding-top: 96px;
      padding-bottom: 40px;
    }

    .section-space {
      padding-top: 52px;
      padding-bottom: 52px;
    }

    .section-heading {
      font-size: 22px;
    }

    .help-entry-card {
      padding: 22px 16px;
    }

    .digest-body {
      padding: 18px 16px 20px;
    }

    .faq-item summary {
      padding: 16px 14px;
      font-size: 15px;
    }

    .faq-answer {
      padding: 12px 14px 16px;
      margin: 0 14px;
      max-width: calc(100% - 28px);
    }

    .mobile-panel {
      position: absolute;
      top: 60px;
      left: 0;
      right: 0;
      background: rgba(255, 255, 255, .98);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      padding: 16px;
      box-shadow: 0 20px 30px rgba(21, 34, 29, .08);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: .01ms !important;
      transition-duration: .01ms !important;
    }
  }