/* roulang page: index */
:root {
  --primary: #1F6FE8;
  --primary-dark: #1250B8;
  --primary-soft: #EAF2FE;
  --teal: #12B3B8;
  --accent: #FF7D4D;
  --background: #F7FAFF;
  --card: #FFFFFF;
  --text-dark: #14324F;
  --text-soft: #59738C;
  --border: #CBD9EB;
  --radius-lg: 20px;
  --radius-md: 16px;
  --shadow-card: 0 12px 36px rgba(31, 111, 232, .10);
  --shadow-hover: 0 18px 42px rgba(31, 111, 232, .18);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--text-dark);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, textarea {
  font: inherit;
}
summary {
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
::selection {
  background: rgba(31, 111, 232, .15);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 8px;
}

.section {
  padding: 92px 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 600;
}
.section-title {
  font-size: 32px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text-dark);
  margin: 12px 0 8px;
  letter-spacing: -.01em;
}
.section-desc {
  font-size: 16px;
  color: var(--text-soft);
  max-width: 680px;
  margin: 0;
}
.block-number {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  height: 48px;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease;
  cursor: default;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(31, 111, 232, .22);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(31, 111, 232, .28);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 22px rgba(255, 125, 77, .22);
}
.btn-accent:hover {
  background: #f1673a;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 125, 77, .30);
}
.btn-ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--text-dark);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(31, 111, 232, .12);
}
.btn-sm {
  height: 38px;
  padding: 0 18px;
  font-size: 14px;
}
.btn-lg {
  height: 54px;
  padding: 0 34px;
  font-size: 17px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: rgba(255, 255, 255, .55);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(31, 111, 232, .08);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .35);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(203, 217, 235, .7);
  box-shadow: 0 8px 24px rgba(16, 42, 74, .08);
}
.nav-inner {
  height: 72px;
  transition: height .25s ease;
}
.site-header.scrolled .nav-inner {
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(31, 111, 232, .20);
}
.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -.01em;
  line-height: 1.2;
}
.header-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  transition: color .2s ease, background-color .2s ease;
}
.header-link:hover {
  color: var(--primary);
  background: rgba(31, 111, 232, .08);
}
.header-link.active {
  color: var(--primary);
  background: var(--primary-soft);
}
.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--text-dark);
  border: 1px solid transparent;
  transition: background-color .2s ease, border-color .2s ease;
}
.nav-icon-btn:hover {
  background: rgba(31, 111, 232, .08);
  border-color: rgba(31, 111, 232, .16);
}

.mobile-burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  gap: 5px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
}
.mobile-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

@media (max-width: 1023px) {
  .menu-center {
    display: none !important;
  }
  .nav-right {
    display: none !important;
  }
  .mobile-burger {
    display: inline-flex !important;
  }
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  visibility: hidden;
  pointer-events: none;
}
.mobile-drawer.open {
  visibility: visible;
  pointer-events: auto;
}
.drawer-mask {
  position: absolute;
  inset: 0;
  background: rgba(20, 50, 79, .25);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity .28s ease;
}
.mobile-drawer.open .drawer-mask {
  opacity: 1;
}
.drawer-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(86%, 360px);
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-right: 1px solid rgba(203, 217, 235, .7);
  box-shadow: 20px 0 60px rgba(16, 42, 74, .12);
  transform: translateX(-105%);
  transition: transform .3s ease;
  padding: 26px 22px;
  overflow-y: auto;
}
.mobile-drawer.open .drawer-panel {
  transform: translateX(0);
}
.drawer-link {
  display: block;
  padding: 16px 12px;
  border-radius: 16px;
  border-bottom: 1px solid rgba(203, 217, 235, .4);
  color: var(--text-dark);
  font-size: 18px;
  font-weight: 700;
}
.drawer-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.hero-area {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 720px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 28%;
  padding: 150px 0 100px;
  overflow: hidden;
}
.hero-area:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(247, 250, 255, .98) 0%, rgba(255, 255, 255, .86) 45%, rgba(31, 111, 232, .12) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  background: rgba(255, 255, 255, .85);
  border: 1px solid rgba(31, 111, 232, .18);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(31, 111, 232, .08);
}
.hero-title {
  margin: 22px 0 18px;
}
.hero-title .sub-line {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-soft);
  margin-top: 12px;
}
.hero-main-title {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.18;
  color: var(--text-dark);
  font-weight: 800;
  letter-spacing: -.015em;
}
.hero-main-title .blue {
  color: var(--primary);
  position: relative;
}
.hero-desc {
  font-size: 17px;
  color: var(--text-soft);
  line-height: 1.9;
  margin: 18px 0 0;
  max-width: 580px;
}
.hero-points {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-soft);
}
.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-points svg {
  color: var(--teal);
}

.login-card {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(31, 111, 232, .16);
  padding: 10px;
}
.login-card-inner {
  background: #fff;
  border-radius: 18px;
  padding: 28px 26px 24px;
}
.login-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: #F1F6FD;
  padding: 6px;
  border-radius: 14px;
  margin-bottom: 24px;
}
.login-tab {
  padding: 10px 8px;
  text-align: center;
  border-radius: 11px;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease;
}
.login-tab.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(31, 111, 232, .12);
}
.input-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.field-input {
  display: block;
  width: 100%;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 15px;
  font-size: 15px;
  color: var(--text-dark);
  background: #FBFDFF;
  transition: border-color .2s ease, box-shadow .25s ease, background .2s ease;
}
.field-input:hover {
  border-color: #A9C1E0;
}
.field-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(31, 111, 232, .12);
  outline: none;
  background: #fff;
}
.field-hint {
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.login-help {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  font-size: 14px;
}
.login-help a {
  color: var(--primary);
  font-weight: 600;
}
.login-help a:hover {
  color: var(--primary-dark);
}

.qr-scan-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 0 18px;
}
.qr-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  width: 140px;
  height: 140px;
  padding: 6px;
  border: 1px solid #BBD3F0;
  border-radius: 14px;
  background: #fff;
}
.qr-grid i {
  display: block;
  background: transparent;
  border-radius: 2px;
}
.qr-grid .dark {
  background: #14324F;
}
.qr-grid .mid {
  background: #5C7FA5;
}
.qr-grid .light {
  background: #CBE3FB;
}

.seal-strip {
  border-top: 1px solid rgba(203, 217, 235, .65);
  border-bottom: 1px solid rgba(203, 217, 235, .65);
  background: rgba(255, 255, 255, .7);
}
.seal-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 0;
}

.catalog-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(203, 217, 235, .7);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.catalog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(31, 111, 232, .35);
}
.catalog-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.catalog-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.catalog-card:hover .catalog-cover img {
  transform: scale(1.05);
}
.catalog-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  background: rgba(20, 50, 79, .68);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: 5px 12px;
  font-size: 13px;
  border-radius: 999px;
}
.catalog-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.catalog-body h3 {
  font-size: 21px;
  font-weight: 800;
  color: var(--text-dark);
  margin: 0 0 8px;
}
.catalog-body p {
  color: var(--text-soft);
  font-size: 15px;
  margin: 0 0 18px;
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  padding: 4px 11px;
}
.chip-teal {
  background: rgba(18, 179, 184, .12);
  color: #0e8589;
}

.feature-large {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(203, 217, 235, .7);
  min-height: 360px;
  background: #fff;
}
.feature-large img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}
.feature-large .feature-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 52px 30px 28px;
  background: linear-gradient(180deg, rgba(20, 50, 79, 0), rgba(20, 50, 79, .86));
  color: #fff;
}
.feature-large .feature-tag {
  display: inline-flex;
  background: rgba(255, 255, 255, .2);
  border: 1px solid rgba(255, 255, 255, .28);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 10px;
}
.feature-large h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 6px;
}
.feature-large p {
  font-size: 15px;
  opacity: .9;
  margin: 0;
}

.mini-feature {
  display: flex;
  align-items: stretch;
  gap: 18px;
  background: #fff;
  border: 1px solid rgba(203, 217, 235, .7);
  border-radius: 22px;
  box-shadow: 0 8px 20px rgba(31, 111, 232, .06);
  padding: 12px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.mini-feature:hover {
  transform: translateY(-4px);
  border-color: rgba(31, 111, 232, .32);
  box-shadow: 0 18px 46px rgba(31, 111, 232, .14);
}
.mini-feature .mini-thumb {
  border-radius: 14px;
  overflow: hidden;
  width: 120px;
  flex: 0 0 120px;
  min-height: 104px;
}
.mini-feature .mini-thumb img {
  width: 100%;
  height: 100%;
  min-height: 104px;
  object-fit: cover;
}
.mini-index {
  color: var(--primary);
  font-weight: 800;
  font-size: 24px;
  line-height: 1;
  margin-bottom: 4px;
}
.mini-feature h4 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 4px;
}
.mini-feature p {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-list-shell {
  background: #fff;
  border: 1px solid rgba(203, 217, 235, .7);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid #EDF2F8;
  transition: background-color .2s ease;
}
.news-item:last-child {
  border-bottom: 0;
}
.news-item:hover {
  background: #F8FBFF;
}
.news-date {
  min-width: 78px;
  text-align: center;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  padding: 10px 4px;
  font-size: 15px;
  line-height: 1.35;
}
.news-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-dark);
}
.news-summary {
  font-size: 14px;
  color: var(--text-soft);
  margin: 5px 0 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.news-cat {
  display: inline-flex;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  padding: 3px 10px;
  white-space: nowrap;
}
.empty-card {
  border: 1px dashed var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, .6);
  text-align: center;
  padding: 48px 24px;
  color: var(--text-soft);
  font-size: 16px;
}

.reco-scroll {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 4px 4px 18px;
  scroll-snap-type: x mandatory;
}
.reco-card {
  flex: 0 0 270px;
  background: #fff;
  border-radius: 18px;
  border: 1px solid rgba(203, 217, 235, .6);
  box-shadow: 0 8px 18px rgba(31, 111, 232, .06);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  scroll-snap-align: start;
}
.reco-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.reco-card .reco-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.reco-card .reco-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.reco-card:hover .reco-img img {
  transform: scale(1.05);
}
.reco-card .reco-body {
  padding: 16px 18px 18px;
}
.reco-card .reco-body h3 {
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  margin: 0 0 6px;
}
.reco-card .reco-body p {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.reco-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}
.reco-more svg {
  transition: transform .2s ease;
}
.reco-more:hover svg {
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }
  .nav-inner {
    height: 64px;
  }
  .hero-area {
    padding-top: 110px;
    padding-bottom: 56px;
    min-height: auto;
  }
  .section-title {
    font-size: 27px;
  }
  .mini-feature .mini-thumb {
    width: 96px;
    flex-basis: 96px;
  }
  .news-date {
    min-width: 64px;
    font-size: 13px;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}
@media (min-width: 641px) and (max-width: 1023px) {
  .reco-card {
    flex-basis: 280px;
  }
  .hero-area {
    padding-top: 130px;
  }
}

.cta-panel {
  background: linear-gradient(100deg, rgba(31, 111, 232, .08), rgba(18, 179, 184, .08)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: 28px;
  border: 1px solid rgba(203, 217, 235, .8);
  overflow: hidden;
  position: relative;
}
.cta-panel:before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.cta-panel > * {
  position: relative;
  z-index: 1;
}

.faq-item {
  background: #fff;
  border: 1px solid rgba(203, 217, 235, .75);
  border-radius: 18px;
  box-shadow: 0 4px 12px rgba(31, 111, 232, .04);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover {
  border-color: rgba(31, 111, 232, .24);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}
.faq-icon {
  position: relative;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease, background-color .25s ease, color .25s ease;
}
.faq-icon:before {
  content: "+";
  font-size: 20px;
  line-height: 1;
}
details[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.9;
}
.faq-answer p {
  margin: 0;
}

.footer-block {
  background: #EFF5FE;
  border-top: 1px solid rgba(203, 217, 235, .8);
  color: var(--text-dark);
}
.footer-column h4 {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-soft);
  font-size: 14px;
  width: fit-content;
  transition: color .2s ease;
  padding: 2px 0;
}
.footer-links a:hover {
  color: var(--primary);
}
.footer-copyright {
  border-top: 1px solid rgba(203, 217, 235, .7);
  color: var(--text-soft);
  font-size: 13px;
}

input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px #fff inset;
  -webkit-text-fill-color: var(--text-dark);
}

/* roulang page: category1 */
:root {
        --primary: #1F6FE8;
        --primary-dark: #1250B8;
        --primary-light: #EAF2FE;
        --secondary: #12B3B8;
        --accent: #FF7D4D;
        --bg: #F7FAFF;
        --card: #FFFFFF;
        --ink: #14324F;
        --insoft: #59738C;
        --line: #CBD9EB;
        --shadow-blue: 0 12px 36px rgba(31, 111, 232, 0.1);
        --shadow-hover: 0 18px 40px rgba(31, 111, 232, 0.16);
        --radius-lg: 20px;
        --radius-md: 14px;
        --radius-pill: 999px;
        --focus-ring: 0 0 0 4px rgba(31, 111, 232, 0.18);
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        background-color: var(--bg);
        color: var(--ink);
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
        font-size: 16px;
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

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

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

    button,
    input {
        font-family: inherit;
        font-size: 100%;
    }

    button {
        border: none;
        cursor: pointer;
    }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 60;
        height: 72px;
        background: rgba(255, 255, 255, 0.55);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(31, 111, 232, 0.08);
        transition: background .25s ease, box-shadow .25s ease, height .25s ease;
    }

    .site-header.scrolled {
        height: 66px;
        background: rgba(255, 255, 255, 0.94);
        box-shadow: 0 8px 24px rgba(16, 42, 74, 0.08);
    }

    .site-header .nav-inner {
        height: 100%;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        flex-shrink: 0;
        gap: 10px;
    }

    .brand-badge {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 42px;
        height: 32px;
        padding: 0 10px;
        background: linear-gradient(135deg, #1F6FE8, #1250B8);
        color: #fff;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 800;
        letter-spacing: 1px;
    }

    .brand-name {
        font-size: 20px;
        font-weight: 800;
        color: var(--ink);
        letter-spacing: 0.5px;
        line-height: 1;
    }

    .menu-center {
        display: flex;
        align-items: center;
        gap: 2px;
    }

    .header-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 40px;
        padding: 0 16px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 500;
        color: #425e7d;
        transition: all .2s ease;
    }

    .header-link:hover {
        color: var(--primary);
        background: rgba(31, 111, 232, 0.08);
    }

    .header-link.active {
        background: var(--primary-light);
        color: var(--primary-dark);
        font-weight: 700;
    }

    .nav-icon-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 999px;
        color: #425e7d;
        transition: all .2s ease;
    }

    .nav-icon-btn:hover {
        background: rgba(31, 111, 232, 0.08);
        color: var(--primary);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        font-weight: 700;
        line-height: 1;
        gap: 8px;
        transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease;
    }

    .btn:active {
        transform: scale(0.97);
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 8px 20px rgba(31, 111, 232, 0.22);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(31, 111, 232, 0.28);
    }

    .btn-accent {
        background: var(--accent);
        color: #fff;
        box-shadow: 0 8px 20px rgba(255, 125, 77, 0.22);
    }

    .btn-accent:hover {
        background: #e86436;
        transform: translateY(-2px);
        box-shadow: 0 12px 26px rgba(255, 125, 77, 0.3);
    }

    .btn-outline {
        border: 1px solid #c9d8e8;
        background: #fff;
        color: var(--primary-dark);
    }

    .btn-outline:hover {
        border-color: var(--primary);
        background: var(--primary-light);
        transform: translateY(-2px);
    }

    .btn-lg {
        min-height: 52px;
        padding: 0 28px;
        font-size: 17px;
    }

    .btn-md {
        min-height: 46px;
        padding: 0 22px;
        font-size: 15px;
    }

    .btn-sm {
        min-height: 36px;
        padding: 0 16px;
        font-size: 14px;
    }

    .mobile-burger {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: transparent;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }

    .mobile-burger span {
        width: 20px;
        height: 2px;
        background: var(--ink);
        border-radius: 999px;
        transition: all .3s ease;
    }

    .mobile-burger.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-burger.open span:nth-child(2) {
        opacity: 0;
    }

    .mobile-burger.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-drawer {
        position: absolute;
        top: calc(100% + 8px);
        left: 12px;
        right: 12px;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 14px;
        box-shadow: 0 18px 42px rgba(16, 42, 74, 0.16);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        transition: all .25s ease;
    }

    .mobile-drawer.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .mobile-drawer a {
        display: flex;
        align-items: center;
        height: 46px;
        padding: 0 16px;
        border-radius: 12px;
        font-size: 17px;
        font-weight: 600;
        color: var(--ink);
    }

    .mobile-drawer a:hover {
        background: var(--primary-light);
        color: var(--primary-dark);
    }

    .mobile-drawer .active {
        background: var(--primary-light);
        color: var(--primary-dark);
    }

    .container-page {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    .page-hero {
        position: relative;
        background: linear-gradient(to bottom, rgba(24, 61, 104, .58), rgba(18, 80, 184, .3)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        padding: 150px 0 90px;
        color: #fff;
        overflow: hidden;
    }

    .page-hero::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 90px;
        background: linear-gradient(to bottom, transparent, var(--bg));
        pointer-events: none;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        max-width: fit-content;
        padding: 7px 14px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.16);
        border: 1px solid rgba(255, 255, 255, 0.22);
        color: #f1f7ff;
        font-size: 14px;
        font-weight: 600;
        backdrop-filter: blur(8px);
    }

    .page-hero h1 {
        font-size: clamp(2rem, 4vw, 3.2rem);
        font-weight: 800;
        line-height: 1.18;
        color: #fff;
        margin: 20px 0 18px;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        max-width: 640px;
        font-size: 17px;
        line-height: 1.8;
        color: #e1ecfa;
        margin-bottom: 30px;
    }

    .hero-info-row {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
        max-width: 640px;
        margin-top: 24px;
    }

    .hero-info-item {
        background: rgba(255, 255, 255, 0.14);
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-radius: 16px;
        padding: 16px 12px;
        backdrop-filter: blur(10px);
        text-align: center;
    }

    .hero-info-item strong {
        display: block;
        font-size: 24px;
        font-weight: 800;
        color: #fff;
        font-variant-numeric: tabular-nums;
    }

    .hero-info-item span {
        display: block;
        font-size: 13px;
        color: #d8e7f9;
        margin-top: 2px;
    }

    .login-card {
        position: relative;
        z-index: 2;
        width: 100%;
        max-width: 390px;
        margin-left: auto;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border: 1px solid rgba(255, 255, 255, 0.7);
        border-radius: 22px;
        padding: 28px;
        color: var(--ink);
        box-shadow: 0 18px 50px rgba(16, 42, 74, 0.2);
    }

    .login-card h2 {
        font-size: 22px;
        font-weight: 800;
        color: var(--ink);
        margin: 0 0 4px;
    }

    .login-card .login-tip {
        font-size: 14px;
        color: var(--insoft);
        margin-bottom: 20px;
    }

    .field-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--ink);
        display: block;
        margin: 12px 0 6px;
    }

    .form-control {
        width: 100%;
        height: 46px;
        padding: 0 14px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: #fff;
        color: var(--ink);
        outline: none;
        transition: border-color .2s ease, box-shadow .2s ease;
    }

    .form-control:focus {
        border-color: var(--primary);
        box-shadow: var(--focus-ring);
    }

    .form-control::placeholder {
        color: #98abc1;
    }

    .agree-line {
        margin-top: 12px;
        font-size: 13px;
        color: var(--insoft);
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }

    .agree-line a {
        color: var(--primary);
        font-weight: 600;
    }

    .agree-line a:hover {
        color: var(--primary-dark);
    }

    .section-padding {
        padding: 100px 0;
    }

    .section-head {
        margin-bottom: 40px;
    }

    .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--primary);
        font-weight: 800;
        font-size: 14px;
        letter-spacing: 1px;
    }

    .section-kicker::before {
        content: "";
        width: 20px;
        height: 3px;
        background: var(--primary);
        border-radius: 999px;
    }

    .section-title {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 800;
        color: var(--ink);
        line-height: 1.3;
        margin-top: 8px;
        margin-bottom: 12px;
    }

    .section-lead {
        font-size: 16px;
        color: var(--insoft);
        line-height: 1.8;
        max-width: 760px;
    }

    .directory-layout {
        display: grid;
        grid-template-columns: 260px 1fr;
        gap: 38px;
        align-items: start;
    }

    .directory-aside {
        position: sticky;
        top: 100px;
        border: 1px solid rgba(203, 217, 235, 0.8);
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.86);
        backdrop-filter: blur(12px);
        padding: 18px;
        box-shadow: var(--shadow-blue);
    }

    .directory-aside .dir-title {
        font-size: 14px;
        font-weight: 700;
        color: var(--insoft);
        margin-bottom: 12px;
        padding: 0 8px;
    }

    .directory-aside a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 44px;
        padding: 0 12px;
        border-radius: 12px;
        font-size: 15px;
        font-weight: 500;
        color: var(--ink);
        transition: all .2s ease;
    }

    .directory-aside a i {
        font-style: normal;
        font-size: 13px;
        color: var(--primary);
        opacity: 0;
        transform: translateX(-5px);
        transition: all .2s ease;
    }

    .directory-aside a:hover {
        background: var(--primary-light);
        color: var(--primary-dark);
    }

    .directory-aside a:hover i {
        opacity: 1;
        transform: translateX(0);
    }

    .dir-num {
        display: inline-flex;
        width: 24px;
        height: 24px;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: 700;
        border-radius: 8px;
        background: #eef4fc;
        color: var(--primary-dark);
        margin-right: 8px;
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    }

    .category-group {
        margin-bottom: 40px;
        scroll-margin-top: 110px;
    }

    .category-group:last-child {
        margin-bottom: 0;
    }

    .group-title-row {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-end;
        justify-content: space-between;
        gap: 12px;
        padding-bottom: 16px;
        border-bottom: 2px solid #edf2fa;
        margin-bottom: 22px;
    }

    .group-title-row h3 {
        font-size: 24px;
        font-weight: 800;
        color: var(--ink);
        margin: 0;
    }

    .group-title-row p {
        margin: 5px 0 0;
        color: var(--insoft);
        font-size: 14px;
        line-height: 1.6;
        max-width: 520px;
    }

    .group-badge {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 30px;
        padding: 0 12px;
        font-size: 13px;
        font-weight: 700;
        color: var(--primary-dark);
        background: var(--primary-light);
        border-radius: 999px;
        white-space: nowrap;
    }

    .group-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }

    .play-card {
        position: relative;
        background: var(--card);
        border: 1px solid rgba(203, 217, 235, 0.5);
        border-radius: 20px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        box-shadow: 0 8px 24px rgba(31, 111, 232, 0.06);
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .play-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(31, 111, 232, 0.42);
    }

    .play-card .cover-box {
        position: relative;
        aspect-ratio: 16 / 7.5;
        overflow: hidden;
        background-color: #dbe7f3;
    }

    .play-card .cover-box img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }

    .play-card:hover .cover-box img {
        transform: scale(1.04);
    }

    .chip {
        position: absolute;
        top: 12px;
        left: 12px;
        display: inline-flex;
        height: 28px;
        align-items: center;
        padding: 0 12px;
        border-radius: 999px;
        background: rgba(18, 80, 184, 0.86);
        color: #fff;
        font-size: 13px;
        font-weight: 700;
        backdrop-filter: blur(6px);
    }

    .play-card-body {
        padding: 20px 20px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .play-card-body h4 {
        font-size: 19px;
        font-weight: 800;
        color: var(--ink);
        margin: 0 0 8px;
    }

    .play-card-body p {
        margin: 0 0 14px;
        font-size: 14px;
        line-height: 1.75;
        color: var(--insoft);
        flex: 1;
    }

    .tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 16px;
    }

    .tag-list span,
    .tag-simple {
        display: inline-flex;
        align-items: center;
        height: 26px;
        padding: 0 10px;
        border-radius: 999px;
        background: #f1f6fd;
        border: 1px solid #dce8fa;
        font-size: 12px;
        font-weight: 600;
        color: var(--primary-dark);
    }

    .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }

    .card-footer .more-link {
        font-size: 14px;
        color: var(--primary);
        font-weight: 700;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

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

    .arrow-icon {
        width: 15px;
        height: 15px;
        transition: transform .2s ease;
    }

    .more-link:hover .arrow-icon {
        transform: translateX(3px);
    }

    .features-band {
        background: #edf4fe;
        border-top: 1px solid #dce8fa;
        border-bottom: 1px solid #dce8fa;
    }

    .feature-list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .feature-block {
        border-left: 3px solid var(--primary);
        padding-left: 18px;
    }

    .feature-block h4 {
        font-size: 17px;
        font-weight: 800;
        color: var(--ink);
        margin-bottom: 6px;
    }

    .feature-block p {
        margin: 0;
        font-size: 14px;
        color: var(--insoft);
        line-height: 1.75;
    }

    .recommend-area {
        background: #fff;
    }

    .recommend-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .recommend-card {
        border-radius: 20px;
        overflow: hidden;
        border: 1px solid rgba(203, 217, 235, 0.55);
        background: #fff;
        box-shadow: 0 8px 24px rgba(31, 111, 232, 0.06);
        transition: all .25s ease;
    }

    .recommend-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 16px 36px rgba(31, 111, 232, 0.14);
        border-color: rgba(31, 111, 232, 0.32);
    }

    .recommend-card .rc-cover {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 9;
    }

    .recommend-card .rc-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .35s ease;
    }

    .recommend-card:hover .rc-cover img {
        transform: scale(1.05);
    }

    .recommend-card .rc-content {
        padding: 18px;
    }

    .recommend-card h4 {
        font-size: 17px;
        margin-bottom: 6px;
        line-height: 1.5;
        font-weight: 800;
        color: var(--ink);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .recommend-card p {
        color: var(--insoft);
        font-size: 14px;
        margin-bottom: 12px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .cta-collect-area {
        position: relative;
        background: linear-gradient(110deg, rgba(31, 111, 232, 0.07), rgba(18, 179, 184, 0.08)), #F7FAFF;
    }

    .collect-box {
        background: #fff;
        border: 1px solid rgba(203, 217, 235, 0.7);
        border-radius: 28px;
        box-shadow: 0 22px 50px rgba(31, 111, 232, 0.12);
        padding: 42px;
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 36px;
        align-items: center;
    }

    .collect-box h2 {
        font-size: clamp(1.5rem, 2.5vw, 2rem);
        font-weight: 800;
        line-height: 1.3;
        margin: 0 0 10px;
    }

    .collect-box p {
        font-size: 15px;
        color: var(--insoft);
        margin: 0 0 24px;
        line-height: 1.8;
    }

    .collect-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .tip-shortcut {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--insoft);
        background: #eef4fc;
        border: 1px solid #dce8fa;
        border-radius: 12px;
        padding: 8px 14px;
    }

    .tip-shortcut kbd {
        font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
        background: #fff;
        border: 1px solid var(--line);
        border-bottom-width: 2px;
        border-radius: 6px;
        padding: 2px 7px;
        font-size: 12px;
        font-weight: 700;
    }

    .faq-safe-section {
        background: #eff5fd;
    }

    .faq-wrap {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
    }

    .faq-item {
        background: #fff;
        border: 1px solid rgba(203, 217, 235, 0.55);
        border-radius: 16px;
        margin-bottom: 12px;
        box-shadow: 0 4px 12px rgba(31, 111, 232, 0.04);
        transition: border-color .2s ease, box-shadow .2s ease;
    }

    .faq-item.open {
        border-color: rgba(31, 111, 232, 0.3);
        box-shadow: 0 10px 26px rgba(31, 111, 232, 0.1);
    }

    .faq-btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        background: transparent;
        padding: 20px 22px;
        border-radius: 16px;
        color: var(--ink);
        font-size: 16px;
        font-weight: 700;
        line-height: 1.5;
    }

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

    .faq-icon {
        position: relative;
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--primary-light);
        margin-left: 12px;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 12px;
        height: 2px;
        background: var(--primary-dark);
        border-radius: 4px;
        transform: translate(-50%, -50%);
        transition: transform .25s ease, opacity .25s ease;
    }

    .faq-icon::after {
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-item.open .faq-icon::after {
        transform: translate(-50%, -50%) rotate(0deg);
        opacity: 0;
    }

    .faq-answer {
        display: none;
        padding: 0 22px 20px 22px;
        color: #536e8e;
        font-size: 15px;
        line-height: 1.8;
    }

    .faq-answer .answer-inner {
        background: #f6faff;
        border-radius: 14px;
        padding: 16px 18px;
        border-left: 3px solid var(--primary);
    }

    .footer-block {
        background: #f2f7ff;
        border-top: 1px solid var(--line);
    }

    .footer-block h4 {
        font-size: 16px;
        font-weight: 800;
        color: var(--ink);
        margin: 0 0 16px;
    }

    .footer-links {
        display: grid;
        gap: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: var(--insoft);
        transition: color .2s ease, transform .2s ease;
        width: fit-content;
    }

    .footer-links a:hover {
        color: var(--primary);
        transform: translateX(2px);
    }

    .footer-copyright {
        border-top: 1px solid #d9e6f5;
        background: #ecf4ff;
    }

    .back-to-top {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
    }

    .back-to-top:hover {
        color: var(--primary-dark);
    }

    .empty-safe {
        padding: 36px;
        border: 1px dashed var(--line);
        border-radius: 18px;
        background: #f6faff;
        color: var(--insoft);
        text-align: center;
    }

    @media (max-width: 1024px) {
        .directory-layout {
            grid-template-columns: 220px 1fr;
            gap: 24px;
        }

        .feature-list {
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .require-feature_lg_hide {
            display: flex;
        }
    }

    @media (max-width: 900px) {
        .menu-center {
            display: none;
        }

        .nav-icon-btn {
            display: none;
        }

        .directory-layout {
            grid-template-columns: 1fr;
        }

        .directory-aside {
            position: static;
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 12px;
        }

        .directory-aside .dir-title {
            display: none;
        }

        .directory-aside a {
            white-space: nowrap;
            flex-shrink: 0;
            justify-content: center;
            padding: 0 14px;
            height: 40px;
            border: 1px solid #deeaff;
            background: #fff;
            border-radius: 999px;
            font-size: 14px;
        }

        .directory-aside a i {
            display: none;
        }

        .group-grid,
        .recommend-grid,
        .collect-box {
            grid-template-columns: 1fr;
        }

        .collect-box {
            padding: 28px;
        }

        .page-hero {
            padding: 132px 0 76px;
        }

        .login-card {
            max-width: 100%;
            margin-top: 36px;
        }

        .hero-info-row {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (max-width: 640px) {
        .section-padding {
            padding: 62px 0;
        }

        .container-page {
            padding-left: 16px;
            padding-right: 16px;
        }

        .site-header {
            height: 64px;
        }

        .brand-name {
            font-size: 17px;
        }

        .page-hero {
            padding-top: 110px;
        }

        .hero-info-row {
            gap: 10px;
        }

        .hero-info-item {
            padding: 14px 6px;
        }

        .hero-info-item strong {
            font-size: 20px;
        }

        .hero-info-item span {
            font-size: 12px;
        }

        .group-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .feature-list {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .collect-actions .btn {
            width: 100%;
        }

        .faq-btn {
            font-size: 15px;
            padding: 17px 16px 17px 16px;
        }

        .faq-answer {
            padding: 0 16px 16px 16px;
        }

        .footer-links {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
        }
    }

/* roulang page: article */
:root{
  --primary:#1F6FE8;
  --primary-dark:#1250B8;
  --primary-light:#EAF2FE;
  --accent:#FF7D4D;
  --accent-dark:#E5612F;
  --success:#12B3B8;
  --bg:#F7FAFF;
  --card:#FFFFFF;
  --ink:#14324F;
  --soft:#59738C;
  --border:#CBD9EB;
  --shadow:0 12px 36px rgba(31,111,232,0.10);
  --shadow-hover:0 18px 44px rgba(31,111,232,0.16);
  --radius:18px;
}
*,::before,::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
}
button,input,textarea{
  font-family:inherit;
}
.text-ink{
  color:var(--ink);
}
.text-inksoft{
  color:var(--soft);
}
.text-primary{
  color:var(--primary);
}
.bg-primary-light{
  background-color:var(--primary-light);
}
.border-soft{
  border-color:var(--border) !important;
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
  height:72px;
  background:rgba(255,255,255,0.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(31,111,232,0.08);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  height:64px;
  background:rgba(255,255,255,0.94);
  box-shadow:0 8px 24px rgba(16,42,74,0.08);
  border-bottom:1px solid rgba(31,111,232,0.10);
}
.nav-inner{
  height:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  padding:0 9px;
  background:var(--primary);
  color:#fff;
  border-radius:14px;
  font-weight:800;
  font-size:18px;
  line-height:1;
  letter-spacing:1px;
  box-shadow:0 8px 18px rgba(31,111,232,0.22);
}
.brand-name{
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.2px;
  white-space:nowrap;
}
.header-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:#35506B;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.header-link:hover{
  color:var(--primary);
  background:var(--primary-light);
  transform:translateY(-1px);
}
.header-link.active{
  background:var(--primary-light);
  color:var(--primary);
}
.header-link:focus-visible{
  outline:3px solid rgba(31,111,232,0.25);
  outline-offset:2px;
}
.nav-icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:999px;
  color:#59738C;
  transition:all .2s ease;
}
.nav-icon-btn:hover{
  color:var(--primary);
  background:var(--primary-light);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{
  outline:3px solid rgba(31,111,232,0.28);
  outline-offset:3px;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 20px rgba(31,111,232,0.22);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(31,111,232,0.28);
}
.btn-primary:active{
  transform:translateY(0);
  background:#0E469E;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 18px rgba(255,125,77,0.24);
}
.btn-accent:hover{
  background:var(--accent-dark);
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(255,125,77,0.30);
}
.btn-accent:active{
  transform:translateY(0);
  background:#D84F21;
}
.btn-outline{
  border-color:#CBD9EB;
  color:var(--ink);
  background:rgba(255,255,255,0.6);
}
.btn-outline:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:#fff;
}
.btn-sm{
  height:38px;
  padding:0 18px;
  font-size:14px;
}
.btn-lg{
  height:54px;
  padding:0 34px;
  font-size:17px;
}
.btn-white{
  background:#fff;
  color:var(--primary);
  box-shadow:0 10px 26px rgba(7,35,78,0.18);
}
.btn-white:hover{
  background:#F0F6FF;
  transform:translateY(-1px);
}
.mobile-burger{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid rgba(31,111,232,0.12);
  background:rgba(255,255,255,0.7);
  cursor:pointer;
  transition:background .2s ease;
}
.mobile-burger:hover{
  background:var(--primary-light);
}
.mobile-burger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:99px;
  transition:transform .25s ease,opacity .25s ease;
}
.mobile-burger.open span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}
.mobile-burger.open span:nth-child(2){
  opacity:0;
}
.mobile-burger.open span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}
.mobile-panel{
  position:fixed;
  top:0;
  right:0;
  width:min(84vw,340px);
  height:100vh;
  z-index:55;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:-12px 0 40px rgba(16,42,74,0.10);
  padding:88px 24px 32px;
  transform:translateX(105%);
  transition:transform .3s ease;
}
.mobile-panel.open{
  transform:translateX(0);
}
.mobile-menu-links{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.mobile-menu-links a{
  display:block;
  padding:14px 18px;
  border-radius:16px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  background:#F4F8FE;
  transition:background .2s,color .2s;
}
.mobile-menu-links a:hover{
  background:var(--primary-light);
  color:var(--primary);
}
.mobile-menu-links a.active{
  background:var(--primary);
  color:#fff;
}
.mobile-extra{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;
  gap:10px;
}
.article-banner{
  position:relative;
  padding-top:132px;
  padding-bottom:44px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.article-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,63,145,0.74),rgba(22,45,92,0.82));
}
.banner-content{
  position:relative;
  z-index:2;
  color:#fff;
}
.breadcrumb-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,0.88);
  font-size:14px;
  margin-bottom:22px;
}
.breadcrumb-nav a{
  color:rgba(255,255,255,0.88);
  transition:color .2s ease;
}
.breadcrumb-nav a:hover{
  color:#fff;
}
.breadcrumb-sep{
  opacity:.6;
  margin:0 2px;
}
.article-banner h1{
  color:#fff;
  font-size:clamp(1.9rem,4vw,2.9rem);
  line-height:1.18;
  font-weight:800;
  margin:0 0 20px;
  text-shadow:0 4px 18px rgba(6,24,48,0.24);
  max-width:860px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  color:rgba(255,255,255,0.92);
  font-size:14px;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-dot{
  width:4px;
  height:4px;
  background:rgba(255,255,255,0.55);
  border-radius:50%;
}
.article-shell{
  padding:36px 0 72px;
}
.article-card{
  background:var(--card);
  border-radius:22px;
  box-shadow:var(--shadow);
  border:1px solid rgba(203,217,235,0.62);
  padding:clamp(20px,4vw,44px);
}
.article-body{
  max-width:760px;
}
.article-body>p{
  margin:0 0 1.6em;
  font-size:17px;
  line-height:2;
  color:#263F58;
}
.article-body>h2{
  margin:2em 0 1em;
  font-size:24px;
  font-weight:800;
  color:var(--ink);
  line-height:1.4;
}
.article-body>h3{
  margin:1.8em 0 .9em;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  line-height:1.5;
}
.article-body ul,.article-body ol{
  margin:0 0 1.6em;
  padding-left:1.4em;
  color:#263F58;
}
.article-body ul li,.article-body ol li{
  margin-bottom:.55em;
  line-height:1.95;
}
.article-body blockquote{
  margin:2em 0;
  padding:.8em 1.4em;
  border-left:4px solid var(--primary);
  background:var(--primary-light);
  border-radius:12px;
  color:#3D5A7A;
  font-size:16px;
}
.article-body img{
  border-radius:16px;
  margin:1.8em 0;
}
.article-body a{
  color:var(--primary);
  border-bottom:1px solid rgba(31,111,232,0.28);
  transition:border-color .2s;
}
.article-body a:hover{
  border-color:var(--primary);
}
.article-body code{
  background:#EFF4FB;
  border-radius:6px;
  padding:.12em .42em;
  font-size:.92em;
  color:#0F4AA0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--border);
  padding:10px 14px;
  text-align:left;
}
.article-body th{
  background:var(--primary-light);
  font-weight:700;
}
.article-tag-block{
  margin-top:10px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 15px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:14px;
  font-weight:600;
  transition:background .2s,color .2s,transform .2s;
}
.tag-chip:hover{
  background:var(--primary);
  color:#fff;
  transform:translateY(-2px);
}
.aside-card{
  background:#fff;
  border:1px solid rgba(203,217,235,0.62);
  box-shadow:var(--shadow);
  border-radius:20px;
  padding:24px;
}
.aside-card h2,.aside-card h3{
  margin:0 0 16px;
  font-size:17px;
  font-weight:800;
  color:var(--ink);
}
.aside-list{
  list-style:none;
  margin:0;
  padding:0;
}
.aside-list li{
  margin-bottom:4px;
}
.aside-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:#35506B;
  transition:color .2s,background .2s,transform .2s;
}
.aside-list a:hover{
  color:var(--primary);
  background:var(--primary-light);
  transform:translateX(3px);
}
.aside-tip{
  display:flex;
  gap:12px;
  margin-top:16px;
  padding:14px;
  border-radius:14px;
  background:#F0F7FF;
  font-size:14px;
  line-height:1.8;
  color:var(--soft);
}
.section-space{
  padding:64px 0;
}
.related-card{
  background:#fff;
  border:1px solid rgba(203,217,235,0.55);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(31,111,232,0.35);
}
.related-img{
  position:relative;
  overflow:hidden;
}
.related-img img{
  width:100%;
  height:192px;
  object-fit:cover;
  transition:transform .3s ease;
}
.related-card:hover .related-img img{
  transform:scale(1.04);
}
.related-content{
  padding:20px;
}
.badge-cat{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 13px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
}
.cta-band{
  background:var(--primary);
  color:#fff;
  border-radius:26px;
  position:relative;
  overflow:hidden;
  padding:52px 36px;
}
.cta-band::before{
  content:"";
  position:absolute;
  top:-80px;
  right:-40px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
}
.cta-band::after{
  content:"";
  position:absolute;
  bottom:-60px;
  left:-20px;
  width:200px;
  height:200px;
  border-radius:50%;
  background:rgba(18,179,184,0.22);
}
.cta-inner{
  position:relative;
  z-index:2;
}
.details-item{
  background:#fff;
  border:1px solid rgba(203,217,235,0.62);
  border-radius:18px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:box-shadow .2s ease;
}
.details-item[open]{
  box-shadow:var(--shadow-hover);
}
.details-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  transition:color .2s ease;
}
.details-item summary::-webkit-details-marker{
  display:none;
}
.details-item summary:hover{
  color:var(--primary);
}
.details-icon{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:10px;
  background:var(--primary-light);
  color:var(--primary);
  font-weight:800;
  font-size:20px;
  line-height:1;
  transition:background .2s,color .2s;
}
.details-item[open] .details-icon{
  background:var(--primary);
  color:#fff;
}
.faq-answer{
  padding:0 24px 22px 68px;
  color:var(--soft);
  line-height:2;
  font-size:15px;
}
.trust-strip{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px 30px;
  color:var(--soft);
}
.footer-block{
  background:#EAF2FE;
  border-top:1px solid rgba(203,217,235,0.60);
}
.footer-block h4{
  font-size:16px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:18px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  font-size:14px;
  color:var(--soft);
  transition:color .2s ease,padding-left .2s ease;
  display:inline-block;
}
.footer-links a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-copyright{
  border-top:1px solid rgba(203,217,235,0.55);
}
.empty-card{
  background:#fff;
  border:1px dashed var(--border);
  border-radius:24px;
  padding:60px 24px;
  text-align:center;
  box-shadow:var(--shadow);
}
.back-top{
  position:fixed;
  right:20px;
  bottom:24px;
  z-index:30;
  display:inline-flex;
  align-items:center;
  gap:6px;
  width:42px;
  height:42px;
  justify-content:center;
  background:var(--primary);
  color:#fff;
  border-radius:50%;
  box-shadow:0 10px 24px rgba(31,111,232,0.28);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease,background .3s ease;
}
.back-top.show{
  opacity:1;
  pointer-events:auto;
}
.back-top:hover{
  background:var(--primary-dark);
}
@media (max-width:1023px){
  .site-header{
    height:64px;
  }
  .site-header.scrolled{
    height:60px;
  }
  .article-banner{
    padding-top:96px;
    padding-bottom:36px;
  }
  .section-space{
    padding:48px 0;
  }
}
@media (max-width:639px){
  .brand-badge{
    min-width:36px;
    height:36px;
    border-radius:11px;
    font-size:15px;
    padding:0 7px;
  }
  .brand-name{
    font-size:17px;
  }
  .article-banner{
    padding-top:84px;
    padding-bottom:30px;
  }
  .article-banner h1{
    font-size:1.55rem;
    line-height:1.3;
  }
  .article-meta{
    font-size:13px;
    gap:8px 12px;
  }
  .article-card{
    padding:22px 16px;
    border-radius:18px;
  }
  .article-body>p{
    font-size:16px;
  }
  .details-item summary{
    padding:16px 16px;
    font-size:15px;
  }
  .faq-answer{
    padding:0 16px 18px 30px;
  }
  .cta-band{
    padding:38px 22px;
    border-radius:20px;
  }
  .back-top{
    right:14px;
    bottom:14px;
  }
}

/* roulang page: category2 */
:root {
    --primary: #1F6FE8;
    --primary-dark: #1250B8;
    --primary-soft: #EAF2FE;
    --teal: #12B3B8;
    --accent: #FF7D4D;
    --bg: #F7FAFF;
    --white: #FFFFFF;
    --ink: #14324F;
    --ink-soft: #59738C;
    --line: #CBD9EB;
    --shadow-blue: 0 12px 36px rgba(31, 111, 232, 0.10);
    --radius-lg: 18px;
    --radius-md: 14px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button {
    font-family: inherit;
    cursor: pointer;
  }

  input,
  button {
    border: none;
  }

  h1,
  h2,
  h3,
  h4 {
    line-height: 1.25;
    margin: 0;
  }

  p {
    margin: 0;
  }

  .container-main {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 24px;
  }

  .text-primary {
    color: var(--primary);
  }

  .site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 80;
    height: 72px;
    background: rgba(255, 255, 255, 0.58);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(31, 111, 232, 0.10);
    box-shadow: 0 6px 20px rgba(16, 42, 74, 0.04);
    transition: background .3s ease, box-shadow .3s ease;
  }

  .site-header.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 24px rgba(16, 42, 74, 0.08);
  }

  .nav-inner {
    height: 72px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.4px;
    box-shadow: 0 6px 14px rgba(31, 111, 232, 0.28);
  }

  .brand-name {
    font-size: 16px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.3px;
  }

  .header-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: #34536E;
    transition: background .25s ease, color .25s ease;
    white-space: nowrap;
  }

  .header-link:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }

  .header-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 18px rgba(31, 111, 232, 0.24);
  }

  .header-link.active:hover {
    color: #fff;
  }

  .nav-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    color: #274B6C;
    background: transparent;
    transition: background .25s ease, color .25s ease;
  }

  .nav-icon-btn:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
    white-space: nowrap;
    cursor: pointer;
  }

  .btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
  }

  .btn-sm {
    min-height: 38px;
    padding: 0 18px;
    font-size: 14px;
  }

  .btn-md {
    min-height: 46px;
    padding: 0 26px;
    font-size: 15px;
  }

  .btn-lg {
    min-height: 54px;
    padding: 0 34px;
    font-size: 16px;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(31, 111, 232, 0.20);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(31, 111, 232, 0.28);
  }

  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 16px rgba(255, 125, 77, 0.28);
  }

  .btn-accent:hover {
    background: #F1663B;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(255, 125, 77, 0.35);
  }

  .btn-outline {
    background: rgba(255, 255, 255, 0.86);
    border-color: var(--line);
    color: var(--ink);
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
  }

  .btn-ghost {
    background: var(--primary-soft);
    color: var(--primary-dark);
  }

  .btn-ghost:hover {
    background: #DCE9FC;
    color: var(--primary-dark);
  }

  .mobile-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 10px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--line);
    transition: background .25s ease, border-color .25s ease;
  }

  .mobile-burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .25s ease, opacity .25s ease;
  }

  .mobile-burger:hover {
    border-color: var(--primary);
  }

  .mobile-burger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-burger.open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-burger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 70;
    padding: 18px 22px 28px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(31, 111, 232, 0.10);
    box-shadow: 0 16px 30px rgba(16, 42, 74, 0.10);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
  }

  .mobile-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
  }

  .mobile-nav a:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }

  .mobile-nav a.active {
    background: var(--primary);
    color: #fff;
  }

  .cat-hero {
    position: relative;
    padding: 160px 0 84px;
    background:
      linear-gradient(90deg, rgba(247, 250, 255, 0.92), rgba(247, 250, 255, 0.70) 58%, rgba(247, 250, 255, 0.38)),
      url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    overflow: hidden;
  }

  .cat-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 80px;
    background: linear-gradient(180deg, rgba(247, 250, 255, 0), var(--bg));
    pointer-events: none;
  }

  .hero-crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    color: var(--ink-soft);
    font-size: 14px;
    font-weight: 500;
  }

  .hero-crumb a {
    color: var(--primary);
    font-weight: 600;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(31, 111, 232, 0.18);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(31, 111, 232, 0.08);
  }

  .cat-hero h1 {
    margin-top: 22px;
    font-size: clamp(2.6rem, 5vw, 4.4rem);
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--ink);
    line-height: 1.12;
  }

  .hero-summary {
    margin-top: 24px;
    max-width: 680px;
    font-size: 17px;
    line-height: 1.9;
    color: #405D78;
  }

  .hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
  }

  .login-note-card {
    position: relative;
    border-radius: 22px;
    padding: 26px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(31, 111, 232, 0.14);
    box-shadow: var(--shadow-blue);
    scroll-margin-top: 100px;
  }

  .note-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .note-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 15px;
    color: var(--ink);
  }

  .note-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #0B9B7B;
    background: rgba(18, 179, 184, 0.12);
    font-size: 13px;
    font-weight: 700;
    padding: 5px 11px;
    border-radius: 999px;
  }

  .note-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 0 3px rgba(18, 179, 184, 0.20);
  }

  .note-body {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--ink-soft);
  }

  .note-body strong {
    color: var(--ink);
    font-weight: 700;
  }

  .note-btns {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 22px;
  }

  .section {
    padding: 88px 0;
  }

  .section--soft {
    background: #F1F6FD;
  }

  .section-head {
    max-width: 860px;
    margin-bottom: 44px;
  }

  .section-kicker {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
  }

  .section-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
  }

  .section-title {
    margin-top: 12px;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.5px;
  }

  .section-sub {
    margin-top: 14px;
    color: var(--ink-soft);
    font-size: 16px;
    line-height: 1.9;
  }

  .channel-card {
    height: 100%;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid #E3ECF9;
    padding: 28px 24px;
    box-shadow: 0 6px 20px rgba(16, 42, 74, 0.03);
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  }

  .channel-card:hover {
    transform: translateY(-4px);
    border-color: rgba(31, 111, 232, 0.28);
    box-shadow: 0 14px 32px rgba(31, 111, 232, 0.12);
  }

  .channel-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 16px;
    background: var(--primary-soft);
    color: var(--primary);
    margin-bottom: 18px;
  }

  .channel-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 10px;
  }

  .channel-note {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.8;
  }

  .feature-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
    background: #fff;
    border: 1px solid #E3ECF9;
    border-radius: 24px;
    padding: 18px;
    box-shadow: var(--shadow-blue);
    transition: transform .3s ease, box-shadow .3s ease;
  }

  .feature-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(31, 111, 232, 0.14);
  }

  .feature-media {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: #E9F0FB;
  }

  .feature-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .feature-panel:hover .feature-media img {
    transform: scale(1.03);
  }

  .feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(31, 111, 232, 0.92);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    padding: 8px 13px;
    border-radius: 999px;
    box-shadow: 0 8px 20px rgba(31, 111, 232, 0.24);
  }

  .feature-title {
    margin-top: 16px;
    font-size: clamp(1.4rem, 2vw, 1.9rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.3;
  }

  .feature-desc {
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.95;
    color: #48637C;
  }

  .feature-list {
    margin: 18px 0 0;
    padding: 18px 0 0;
    border-top: 1px dashed var(--line);
    list-style: none;
    display: grid;
    gap: 10px;
  }

  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.7;
  }

  .feature-list li::before {
    content: "";
    flex: 0 0 auto;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 8px;
    box-shadow: 0 0 0 3px var(--primary-soft);
  }

  .feature-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
  }

  .reminder-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    counter-reset: steps;
  }

  .reminder-step {
    position: relative;
    counter-increment: steps;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: #fff;
    border: 1px solid #E3ECF9;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 6px 18px rgba(16, 42, 74, 0.03);
    transition: transform .25s ease, border-color .25s ease;
  }

  .reminder-step:hover {
    transform: translateY(-3px);
    border-color: rgba(31, 111, 232, 0.22);
  }

  .reminder-step::before {
    content: "0" counter(steps);
    font-weight: 800;
    font-size: 15px;
    color: var(--primary);
    background: var(--primary-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    border-radius: 16px;
    font-variant-numeric: tabular-nums;
  }

  .reminder-step h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
  }

  .reminder-step p {
    margin-top: 6px;
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.8;
  }

  .entry-card {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    display: block;
    aspect-ratio: 4 / 3;
    background: #E9F0FB;
    box-shadow: 0 8px 26px rgba(16, 42, 74, 0.06);
  }

  .entry-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }

  .entry-card:hover img {
    transform: scale(1.04);
  }

  .entry-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 26, 48, 0.02), rgba(10, 26, 48, 0.72));
    transition: opacity .3s ease;
  }

  .entry-body {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    z-index: 3;
    color: #fff;
  }

  .entry-body .entry-mini {
    display: inline-flex;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.20);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
  }

  .entry-body h3 {
    margin-top: 8px;
    font-size: 20px;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(10, 26, 48, 0.30);
  }

  .entry-body p {
    margin-top: 6px;
    font-size: 13px;
    opacity: 0.90;
    line-height: 1.6;
  }

  .faq-card {
    max-width: 900px;
    margin-inline: auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid #E3ECF9;
    border-radius: 18px;
    padding: 24px 22px;
    margin-bottom: 16px;
    box-shadow: 0 5px 16px rgba(16, 42, 74, 0.03);
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .faq-item:hover {
    border-color: rgba(31, 111, 232, 0.22);
    box-shadow: 0 10px 24px rgba(31, 111, 232, 0.08);
  }

  .faq-item__button {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    background: transparent;
    text-align: left;
    padding: 0;
    color: var(--ink);
    font-size: 16px;
    font-weight: 800;
    line-height: 1.5;
  }

  .faq-item__button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: 8px;
  }

  .faq-icon {
    position: relative;
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    margin-top: 2px;
    border-radius: 50%;
    background: var(--primary-soft);
    transition: background .25s ease;
  }

  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--primary);
    border-radius: 2px;
    transform: translate(-50%, -50%);
  }

  .faq-icon::before {
    width: 10px;
    height: 2px;
  }

  .faq-icon::after {
    width: 2px;
    height: 10px;
    transition: opacity .2s ease;
  }

  .faq-item.open .faq-icon::after {
    opacity: 0;
  }

  .faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s ease, opacity .3s ease, margin-top .3s ease;
  }

  .faq-item.open .faq-answer {
    max-height: 260px;
    opacity: 1;
    margin-top: 14px;
  }

  .faq-answer-inner {
    font-size: 14px;
    line-height: 1.95;
    color: var(--ink-soft);
    background: #F3F7FD;
    border-radius: 14px;
    padding: 16px 18px;
  }

  .cta-band {
    position: relative;
    padding: 90px 0;
    background:
      linear-gradient(96deg, rgba(31, 111, 232, 0.92), rgba(31, 111, 232, 0.76) 50%, rgba(18, 179, 184, 0.72)),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
  }

  .cta-inner {
    position: relative;
    z-index: 2;
  }

  .cta-title {
    max-width: 700px;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800;
    line-height: 1.25;
  }

  .cta-note {
    max-width: 640px;
    margin-top: 16px;
    font-size: 15px;
    opacity: 0.94;
    line-height: 1.9;
  }

  .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
  }

  .btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(12, 36, 70, 0.22);
  }

  .btn-white:hover {
    background: var(--primary-soft);
    transform: translateY(-2px);
  }

  .btn-soft {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.48);
    backdrop-filter: blur(8px);
  }

  .btn-soft:hover {
    background: rgba(255, 255, 255, 0.30);
    transform: translateY(-2px);
  }

  .footer-block {
    background: #F3F7FD;
    border-top: 1px solid rgba(31, 111, 232, 0.08);
  }

  .footer-block h4 {
    font-size: 16px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 18px;
  }

  .footer-links {
    display: grid;
    gap: 12px;
  }

  .footer-links a {
    display: inline-flex;
    width: fit-content;
    font-size: 14px;
    color: var(--ink-soft);
    transition: color .2s ease;
  }

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

  .footer-copyright {
    border-top: 1px solid rgba(203, 217, 235, 0.70);
  }

  .text-ink {
    color: var(--ink);
  }

  .text-inksoft {
    color: var(--ink-soft);
  }

  .text-primarydark {
    color: var(--primary-dark);
  }

  .bg-primarysoft {
    background: var(--primary-soft);
  }

  .border-line {
    border-color: var(--line);
  }

  .rounded-card {
    border-radius: var(--radius-lg);
  }

  .shadow-blue {
    box-shadow: var(--shadow-blue);
  }

  .scroll-mt {
    scroll-margin-top: 96px;
  }

  @media (min-width: 768px) {
    .feature-panel {
      grid-template-columns: 0.92fr 1.08fr;
      gap: 34px;
      padding: 22px;
    }

    .feature-panel--mirror {
      grid-template-columns: 1.08fr 0.92fr;
    }

    .feature-panel--mirror .feature-media {
      order: 2;
    }

    .reminder-grid {
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }
  }

  @media (min-width: 1024px) {
    .hero-cta-group {
      align-items: center;
    }
  }

  @media (max-width: 767px) {
    .section {
      padding: 64px 0;
    }

    .cat-hero {
      padding: 136px 0 64px;
    }

    .nav-right .header-link,
    .nav-right .nav-icon-btn {
      display: none;
    }

    .brand-name {
      font-size: 15px;
    }
  }

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1F6FE8;
            --primary-dark: #1250B8;
            --primary-light: #EAF2FE;
            --teal: #12B3B8;
            --accent: #FF7D4D;
            --bg: #F7FAFF;
            --card-bg: #FFFFFF;
            --ink: #14324F;
            --ink-soft: #59738C;
            --line: #CBD9EB;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --shadow: 0 12px 36px rgba(31, 111, 232, 0.10);
            --shadow-hover: 0 18px 48px rgba(31, 111, 232, 0.16);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
        }

        /* ============ Reset / 基础 ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        button,
        input,
        textarea {
            font: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
        }

        :focus-visible {
            outline: 3px solid rgba(31, 111, 232, 0.35);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(31, 111, 232, 0.18);
        }

        .content-wrap {
            width: min(100% - 2.5rem, 80rem);
            margin-inline: auto;
        }

        /* ============ 全局按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            height: 48px;
            padding: 0 1.5rem;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 24px rgba(31, 111, 232, 0.22);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 14px 30px rgba(18, 80, 184, 0.26);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 10px 24px rgba(255, 125, 77, 0.24);
        }

        .btn-accent:hover {
            background: #f26a3d;
            box-shadow: 0 14px 32px rgba(242, 106, 61, 0.26);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.82);
            border: 1px solid rgba(31, 111, 232, 0.18);
            color: var(--primary-dark);
        }

        .btn-ghost:hover {
            background: #fff;
            border-color: rgba(31, 111, 232, 0.4);
            color: var(--primary);
        }

        .btn-sm {
            height: 38px;
            padding: 0 1.1rem;
            font-size: 0.875rem;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.56);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(31, 111, 232, 0.08);
            transition: background-color 0.25s ease, box-shadow 0.25s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: 0 8px 24px rgba(16, 42, 74, 0.08);
        }

        .nav-inner {
            height: 72px;
            max-width: 80rem;
            margin-inline: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1rem;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 0.65rem;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--ink);
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: linear-gradient(135deg, #1F6FE8, #1250B8);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 16px rgba(31, 111, 232, 0.28);
        }

        .brand-name {
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
        }

        .menu-center {
            display: flex;
            align-items: center;
            gap: 0.1rem;
        }

        .header-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 0.95rem;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ink-soft);
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .header-link:hover {
            color: var(--primary);
            background: rgba(31, 111, 232, 0.08);
        }

        .header-link.active {
            color: var(--primary-dark);
            background: rgba(31, 111, 232, 0.10);
        }

        .header-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 20px;
            height: 3px;
            border-radius: 999px;
            background: var(--primary);
            transform: translateX(-50%);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .nav-icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 999px;
            color: var(--ink-soft);
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(203, 217, 235, 0.7);
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
        }

        .nav-icon-btn:hover {
            color: var(--primary);
            border-color: rgba(31, 111, 232, 0.35);
            background: #fff;
            transform: translateY(-1px);
        }

        .mobile-burger {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 10px 9px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(203, 217, 235, 0.8);
        }

        .mobile-burger span {
            display: block;
            height: 2px;
            border-radius: 2px;
            background: var(--ink);
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .mobile-burger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-burger.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-burger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ 移动端导航抽屉 ============ */
        @media (max-width: 1023.98px) {
            .menu-center {
                position: fixed;
                top: 72px;
                left: 12px;
                right: 12px;
                z-index: 57;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(31, 111, 232, 0.12);
                border-radius: 20px;
                box-shadow: 0 18px 42px rgba(16, 42, 74, 0.14);
                padding: 16px;
                opacity: 0;
                transform: translateY(-10px);
                pointer-events: none;
                transition: opacity 0.25s ease, transform 0.25s ease;
            }

            .menu-center.open {
                opacity: 1;
                transform: translateY(0);
                pointer-events: auto;
            }

            .menu-center .header-link {
                height: 48px;
                padding: 0 1rem;
                font-size: 1.02rem;
                justify-content: center;
            }

            .brand-name {
                font-size: 1.05rem;
            }
        }

        @media (min-width: 1024px) {
            .menu-center {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }

            .mobile-burger {
                display: none;
            }
        }

        /* ============ Hero 分类页横幅 ============ */
        .welfare-hero {
            position: relative;
            min-height: 560px;
            padding: 152px 0 84px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
            overflow: hidden;
        }

        .welfare-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(105deg, rgba(16, 42, 74, 0.58) 0%, rgba(31, 111, 232, 0.28) 55%, rgba(255, 255, 255, 0.1) 100%);
        }

        .welfare-hero::after {
            content: "";
            position: absolute;
            right: -12%;
            bottom: -30%;
            width: 46%;
            height: 70%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.35) 0%, transparent 70%);
            pointer-events: none;
        }

        .welfare-hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
            gap: 48px;
            align-items: center;
        }

        .hero-copy {
            max-width: 720px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 0.9rem 0.35rem 0.5rem;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 999px;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
        }

        .eyebrow-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #5EE6C0;
            box-shadow: 0 0 0 4px rgba(94, 230, 192, 0.22);
        }

        .welfare-hero h1 {
            margin: 1.1rem 0 0.85rem;
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #fff;
        }

        .hero-lead {
            max-width: 36rem;
            margin: 0 0 1.7rem;
            font-size: 1.08rem;
            line-height: 1.95;
            color: rgba(255, 255, 255, 0.92);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .hero-actions .btn-ghost {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .hero-actions .btn-ghost:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, auto));
            gap: 1.2rem;
            margin-top: 2.4rem;
            padding: 1.2rem 1.4rem;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(10px);
            width: fit-content;
        }

        .hero-metrics div {
            display: flex;
            flex-direction: column;
            min-width: 92px;
            color: #fff;
            border-right: 1px solid rgba(255, 255, 255, 0.22);
            padding-right: 1.2rem;
        }

        .hero-metrics div:last-child {
            border-right: none;
        }

        .hero-metrics strong {
            font-size: 1.1rem;
            font-weight: 800;
            line-height: 1.3;
        }

        .hero-metrics span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.82);
            white-space: nowrap;
        }

        .hero-aside-card {
            display: flex;
            justify-content: flex-end;
        }

        .aside-card-box {
            width: 100%;
            max-width: 390px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 24px;
            padding: 1.7rem;
            box-shadow: 0 16px 44px rgba(13, 39, 70, 0.18);
        }

        .aside-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.28rem 0.75rem;
            background: #FFF3ED;
            color: #e26636;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .aside-card-box h3 {
            margin: 1rem 0 0.4rem;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ink);
        }

        .aside-card-box p {
            margin: 0 0 1rem;
            font-size: 0.92rem;
            line-height: 1.8;
            color: var(--ink-soft);
        }

        .aside-tip-list {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
            margin-bottom: 1.4rem;
        }

        .aside-tip-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--ink);
        }

        .aside-tip-list svg {
            flex: 0 0 auto;
            margin-top: 3px;
            color: var(--teal);
        }

        @media (max-width: 1023.98px) {
            .welfare-hero {
                min-height: auto;
                padding-top: 128px;
            }

            .welfare-hero-inner {
                grid-template-columns: 1fr;
                gap: 2.2rem;
            }

            .hero-aside-card {
                justify-content: stretch;
            }

            .aside-card-box {
                max-width: 100%;
            }
        }

        @media (max-width: 639.98px) {
            .hero-metrics {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                width: 100%;
            }

            .hero-metrics div {
                min-width: 0;
            }
        }

        /* ============ 锚点导航分组条 ============ */
        .welfare-anchor-bar {
            background: #fff;
            border-bottom: 1px solid rgba(203, 217, 235, 0.8);
            box-shadow: 0 8px 20px rgba(31, 111, 232, 0.04);
        }

        .anchor-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 1.1rem 0;
        }

        .anchor-row .anchor-link {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            height: 44px;
            padding: 0 1.05rem;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.9rem;
            font-weight: 700;
            transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }

        .anchor-row .anchor-link i {
            font-style: normal;
            color: rgba(18, 80, 184, 0.55);
        }

        .anchor-row .anchor-link:hover {
            background: rgba(31, 111, 232, 0.18);
            transform: translateY(-2px);
        }

        @media (max-width: 639.98px) {
            .anchor-row {
                gap: 0.4rem;
                justify-content: flex-start;
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: thin;
                padding-bottom: 0.9rem;
            }

            .anchor-row .anchor-link {
                flex-shrink: 0;
            }
        }

        /* ============ 通用页面区块 ============ */
        .page-section {
            padding: 108px 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 3rem;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: 0.1em;
            color: var(--primary);
            text-transform: uppercase;
        }

        .section-kicker::before {
            content: "";
            width: 26px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .section-head h2 {
            margin: 0.7rem 0 0.6rem;
            font-size: clamp(1.7rem, 2.6vw, 2.4rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.01em;
        }

        .section-head p {
            margin: 0;
            font-size: 1rem;
            line-height: 1.9;
            color: var(--ink-soft);
            max-width: 640px;
        }

        .section-lead-note {
            margin-left: auto;
            max-width: 480px;
            text-align: right;
            font-size: 0.92rem;
            color: var(--ink-soft);
            line-height: 1.8;
        }

        .group-bg-white {
            background: #fff;
        }

        .group-bg-light {
            background: #EFF6FF;
        }

        @media (max-width: 767.98px) {
            .page-section {
                padding: 76px 0;
            }

            .section-head {
                margin-bottom: 2.2rem;
            }
        }

        /* ============ 通用卡片 ============ */
        .welfare-card {
            position: relative;
            display: flex;
            flex-direction: column;
            background: var(--card-bg);
            border: 1px solid rgba(203, 217, 235, 0.8);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 6px 18px rgba(31, 111, 232, 0.04);
            transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
        }

        .welfare-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 111, 232, 0.35);
        }

        .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary-light);
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .welfare-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .card-cover .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 0.25rem 0.7rem;
            background: rgba(16, 42, 74, 0.72);
            backdrop-filter: blur(8px);
            color: #fff;
            border-radius: 999px;
            font-size: 0.76rem;
            font-weight: 600;
        }

        .card-cover .cover-state {
            position: absolute;
            right: 12px;
            bottom: 12px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(255, 255, 255, 0.92);
            padding: 0.2rem 0.65rem;
            border-radius: 999px;
            font-size: 0.76rem;
            font-weight: 700;
            color: var(--teal);
        }

        .card-cover .cover-state.live {
            color: var(--accent);
        }

        .welfare-card .card-body {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            padding: 1.35rem 1.45rem 1.5rem;
        }

        .card-body h3 {
            margin: 0;
            font-size: 1.1rem;
            line-height: 1.45;
            font-weight: 800;
            color: var(--ink);
        }

        .card-body p {
            margin: 0;
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--ink-soft);
        }

        .card-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: auto;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.18rem 0.6rem;
            background: var(--primary-light);
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .mini-tag.teal {
            background: rgba(18, 179, 184, 0.12);
            color: #07888e;
        }

        .card-footer-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            padding-top: 0.65rem;
            margin-top: auto;
            border-top: 1px dashed rgba(203, 217, 235, 0.85);
            font-size: 0.82rem;
            color: var(--ink-soft);
        }

        /* ============ 第1组：新手登录礼 ============ */
        .newbie-card-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 1.6rem;
        }

        @media (max-width: 1023.98px) {
            .newbie-card-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .newbie-card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ 第2组：平台活跃任务 ============ */
        .active-card-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
            gap: 1.6rem;
        }

        .active-feature-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(203, 217, 235, 0.7);
            box-shadow: var(--shadow);
            transition: transform 0.22s ease, box-shadow 0.22s ease;
        }

        .active-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .active-feature-cover {
            position: relative;
            min-height: 270px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 1.4rem;
            overflow: hidden;
        }

        .active-feature-cover::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 35%, rgba(16, 42, 74, 0.62) 100%);
        }

        .active-feature-cover .covertext {
            position: relative;
            z-index: 1;
            color: #fff;
        }

        .active-feature-cover .covertext .mega-label {
            display: inline-block;
            padding: 0.22rem 0.7rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.45);
            font-size: 0.8rem;
            font-weight: 700;
        }

        .active-feature-cover .covertext h3 {
            margin: 0.6rem 0 0;
            font-size: 1.65rem;
            font-weight: 800;
            line-height: 1.3;
        }

        .active-feature-body {
            padding: 1.5rem 1.6rem 1.7rem;
        }

        .active-summary {
            margin: 0 0 1.1rem;
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--ink-soft);
        }

        .active-reward-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            margin-bottom: 1.3rem;
        }

        .active-reward-list li {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 0.9rem;
            color: var(--ink);
        }

        .active-reward-list svg {
            flex: 0 0 auto;
            color: var(--teal);
        }

        .feature-action {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.6rem;
            padding-top: 1rem;
            border-top: 1px dashed rgba(203, 217, 235, 0.9);
        }

        .empty-state-note {
            font-size: 0.84rem;
            color: var(--ink-soft);
        }

        .active-side-stack {
            display: grid;
            grid-template-rows: repeat(2, minmax(0, 1fr));
            gap: 1.6rem;
        }

        .side-activity-card {
            display: flex;
            gap: 1.1rem;
            background: #fff;
            padding: 1.15rem;
            border: 1px solid rgba(203, 217, 235, 0.85);
            border-radius: 22px;
            transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
        }

        .side-activity-card:hover {
            border-color: rgba(31, 111, 232, 0.25);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .side-activity-card .side-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 18px;
        }

        .side-activity-card h4 {
            margin: 0 0 0.25rem;
            font-size: 1rem;
            font-weight: 800;
            color: var(--ink);
        }

        .side-activity-card p {
            margin: 0 0 0.45rem;
            font-size: 0.86rem;
            line-height: 1.7;
            color: var(--ink-soft);
        }

        .side-time {
            display: inline-flex;
            align-items: center;
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 700;
        }

        @media (max-width: 1023.98px) {
            .active-card-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .side-activity-card {
                flex-direction: column;
            }
        }

        /* ============ 第3组：会员回馈 ============ */
        .vip-section-bg {
            background: linear-gradient(180deg, #EAF3FF 0%, #F7FAFF 100%);
        }

        .vip-card-grid {
            display: grid;
            grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
            gap: 2rem;
        }

        .vip-left-card {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(203, 217, 235, 0.7);
            box-shadow: var(--shadow);
        }

        .vip-left-card .vip-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .vip-left-card .vip-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .vip-left-card .vip-content {
            padding: 1.4rem 1.5rem 1.6rem;
        }

        .vip-left-card .vip-content h3 {
            margin: 0 0 0.4rem;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--ink);
        }

        .vip-left-card .vip-content p {
            margin: 0 0 1rem;
            font-size: 0.9rem;
            color: var(--ink-soft);
            line-height: 1.85;
        }

        .vip-line-list {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
            margin-bottom: 1.2rem;
        }

        .vip-line-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--ink);
        }

        .vip-line-list svg {
            flex: 0 0 auto;
            margin-top: 3px;
            color: var(--accent);
        }

        .vip-right-col {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            justify-content: center;
        }

        .vip-tile {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            padding: 1.35rem 1.4rem;
            background: #fff;
            border: 1px solid rgba(203, 217, 235, 0.7);
            border-radius: 20px;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .vip-tile:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 111, 232, 0.2);
        }

        .vip-tile-icon {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            background: rgba(255, 125, 77, 0.12);
            border-radius: 16px;
            color: var(--accent);
        }

        .vip-tile h4 {
            margin: 0 0 0.3rem;
            font-size: 1.02rem;
            font-weight: 800;
            color: var(--ink);
        }

        .vip-tile p {
            margin: 0;
            font-size: 0.87rem;
            line-height: 1.7;
            color: var(--ink-soft);
        }

        @media (max-width: 1023.98px) {
            .vip-card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ 参与流程 / 安全提示 ============ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 1.4rem;
        }

        .step-card {
            position: relative;
            padding: 1.6rem 1.4rem;
            background: #fff;
            border-radius: 20px;
            border: 1px solid rgba(203, 217, 235, 0.7);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .step-num {
            display: inline-flex;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
            border-radius: 14px;
            margin-bottom: 1rem;
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 0.4rem;
        }

        .step-card p {
            margin: 0;
            font-size: 0.87rem;
            color: var(--ink-soft);
            line-height: 1.8;
        }

        @media (max-width: 1023.98px) {
            .steps-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 639.98px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        .security-strip {
            margin-top: 2rem;
            display: flex;
            align-items: center;
            gap: 0.9rem;
            background: #E8F7F7;
            border: 1px solid rgba(18, 179, 184, 0.22);
            padding: 1.1rem 1.3rem;
            border-radius: 18px;
        }

        .security-strip svg {
            flex: 0 0 auto;
            color: var(--teal);
        }

        .security-strip p {
            margin: 0;
            font-size: 0.87rem;
            line-height: 1.7;
            color: var(--ink);
        }

        @media (max-width: 639.98px) {
            .security-strip {
                align-items: flex-start;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            max-width: 860px;
            margin-inline: auto;
        }

        .faq-item {
            border: 1px solid rgba(203, 217, 235, 0.9);
            background: #fff;
            border-radius: 18px;
            margin-bottom: 0.85rem;
            padding: 0 1.4rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(31, 111, 232, 0.24);
            box-shadow: 0 6px 18px rgba(31, 111, 232, 0.05);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
            padding: 1.2rem 0;
            text-align: left;
            color: var(--ink);
            font-weight: 700;
            font-size: 1rem;
        }

        .faq-icon {
            position: relative;
            flex: 0 0 auto;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-light);
            transition: background-color 0.2s ease, transform 0.2s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            width: 12px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: translate(-50%, -50%);
            transition: transform 0.2s ease, background 0.2s ease;
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
        }

        .faq-item.active .faq-icon::before,
        .faq-item.active .faq-icon::after {
            background: #fff;
        }

        .faq-item.active .faq-icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.28s ease;
        }

        .faq-answer>div {
            overflow: hidden;
        }

        .faq-item.active .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-answer p {
            margin: 0;
            padding: 0 0 1.2rem;
            color: var(--ink-soft);
            line-height: 1.9;
            font-size: 0.93rem;
        }

        @media (max-width: 767.98px) {
            .faq-item {
                padding: 0 1.1rem;
            }
        }

        /* ============ CTA ============ */
        .cta-band {
            position: relative;
            background: linear-gradient(120deg, #1250B8 0%, #1F6FE8 60%, #3f8bff 100%);
            padding: 72px 0;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            right: 80px;
            bottom: -150px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-flex {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .cta-flex h2 {
            margin: 0 0 0.45rem;
            color: #fff;
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
        }

        .cta-flex p {
            margin: 0;
            color: rgba(255, 255, 255, 0.92);
            line-height: 1.8;
            font-size: 1rem;
        }

        .cta-flex .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: flex-end;
        }

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

        .cta-flex .btn-white:hover {
            background: #edf3ff;
        }

        .cta-flex .btn-outline-white {
            border: 1px solid rgba(255, 255, 255, 0.55);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-flex .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 1023.98px) {
            .cta-flex {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-flex .cta-actions {
                justify-content: flex-start;
            }
        }

        /* ============ 页脚 ============ */
        .footer-block {
            background: #EFF5FF;
            border-top: 1px solid rgba(203, 217, 235, 0.9);
        }

        .footer-block h4 {
            margin: 0 0 1.1rem;
            font-size: 1rem;
            font-weight: 800;
            color: var(--ink);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .footer-links a {
            color: var(--ink-soft);
            font-size: 0.92rem;
            line-height: 1.4;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

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

        .footer-copyright {
            border-top: 1px solid rgba(203, 217, 235, 0.85);
            background: rgba(255, 255, 255, 0.4);
        }

        .footer-copyright p {
            margin: 0;
            color: var(--ink-soft);
            font-size: 0.88rem;
        }

        .footer-copyright p a {
            color: var(--primary);
        }