/* roulang page: index */
:root {
  --brand: #FF5A1F;
  --brand-dark: #E84C14;
  --brand-grad: linear-gradient(135deg, #FF5A1F 0%, #FF8A3D 100%);
  --ok: #13B586;
  --gold: #FFC53D;
  --ink: #15161E;
  --gray: #6C7280;
  --bg: #F6F4EE;
  --card: #FFFFFF;
  --border: #EAE6DE;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow: 0 4px 14px rgba(22, 22, 30, 0.06);
  --shadow-hover: 0 14px 30px rgba(22, 22, 30, 0.10);
  --section-space: 88px;
  --transition: .25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", "Helvetica Neue", Arial, 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;
}
ul, ol {
  margin: 0;
  padding: 0;
}
button {
  background: none;
  border: none;
  font-family: inherit;
}
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.grid-container {
  max-width: 1200px;
}

.section {
  padding: var(--section-space) 0;
}
.section--dark {
  background: var(--ink);
  color: #fff;
}
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-head h2 {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 10px;
  color: inherit;
}
.section-head .section-subtitle {
  font-size: 15px;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}
.section--dark .section-subtitle {
  color: #B9BDC7;
}
@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .section-head {
    margin-bottom: 30px;
  }
}

/* ---------- button ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.btn-primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(255, 90, 31, .24);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .72);
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, .10);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline-white:active {
  transform: translateY(0);
}
.btn-lg {
  height: 52px;
  padding: 0 32px;
  font-size: 16px;
}
.btn-sm {
  height: 38px;
  padding: 0 18px;
  font-size: 14px;
}
.btn-gold {
  background: var(--gold);
  color: var(--ink);
  height: 52px;
  padding: 0 38px;
  font-size: 16px;
  font-weight: 700;
  border-color: var(--gold);
}
.btn-gold:hover {
  background: #FFDD6B;
  border-color: #FFDD6B;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(255, 197, 61, .30);
}
.btn-gold:active {
  transform: translateY(0);
}
.text-center {
  text-align: center;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  z-index: 60;
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(22, 22, 30, .08);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--brand-grad);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  padding: 10px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition);
}
.main-nav .nav-link:hover {
  color: var(--brand);
}
.main-nav .nav-link.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 16px;
}
.nav-login {
  font-size: 14px;
  color: var(--ink);
  transition: color var(--transition);
  padding: 8px 0;
}
.nav-login:hover {
  color: var(--brand);
}
.nav-mobile-actions {
  display: none;
  align-items: center;
  gap: 12px;
}
.nav-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  padding: 10px;
  align-items: center;
}
.nav-burger span {
  height: 2px;
  width: 22px;
  background: var(--ink);
  border-radius: 2px;
  display: block;
}
@media (max-width: 640px) {
  .nav-bar {
    height: 62px;
  }
  .nav-mobile-actions {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 62px;
    left: 12px;
    right: 12px;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 20px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 18px 40px rgba(22, 22, 30, .12);
    display: none;
    z-index: 59;
  }
  .main-nav.is-open {
    display: flex;
  }
  .main-nav .nav-link {
    font-size: 18px;
    line-height: 48px;
    padding: 0;
    border-bottom: none;
  }
  .main-nav .nav-link.active {
    border-bottom: none;
  }
  .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin: 12px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }
  .nav-login {
    text-align: center;
    padding: 12px;
  }
  .nav-actions .btn {
    width: 100%;
  }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  background-color: var(--ink);
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 120px 0 150px;
  color: #fff;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(21, 22, 30, .96), rgba(21, 22, 30, .82) 62%, rgba(21, 22, 30, .38)),
              radial-gradient(ellipse at 76% 32%, rgba(255, 90, 31, .16), transparent 56%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}
.data-badge {
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(6px);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  min-width: 126px;
}
.data-badge-value {
  font-family: "DIN Alternate", "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}
.data-badge-label {
  color: #B9BDC7;
  font-size: 13px;
  margin-top: 4px;
}
.hero-title {
  color: #fff;
  font-size: 44px;
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 18px;
  letter-spacing: .01em;
}
.hero-title .keyword {
  white-space: nowrap;
  color: var(--brand);
}
.hero-subtitle {
  color: #B9BDC7;
  font-size: 16px;
  max-width: 560px;
  line-height: 1.8;
  margin: 0 0 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
@media (max-width: 640px) {
  .hero {
    padding: 72px 0 110px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-badges {
    gap: 10px;
    margin-bottom: 24px;
  }
  .data-badge {
    min-width: 104px;
    padding: 12px 14px;
  }
  .data-badge-value {
    font-size: 24px;
  }
  .hero-actions {
    gap: 12px;
  }
}

/* ---------- table area ---------- */
.table-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 30px 32px 36px;
  margin-top: -72px;
  position: relative;
  z-index: 5;
}
@media (max-width: 640px) {
  .table-card {
    margin-top: -28px;
    padding: 18px 14px 24px;
  }
}
.compare-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
}
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.compare-table th,
.compare-table td {
  padding: 15px 12px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  padding-left: 18px;
}
.compare-table thead th {
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  border-bottom: none;
}
.compare-table thead th:first-child {
  border-radius: var(--radius-md) 0 0 0;
}
.compare-table thead th:last-child {
  border-radius: 0 var(--radius-md) 0 0;
}
.compare-table th.is-rec,
.compare-table td.is-rec {
  background: #FFF9F4;
}
.compare-table thead th.is-rec {
  background: var(--ink);
  border-bottom: 3px solid var(--gold);
}
.rec-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  font-size: 12px;
  line-height: 1;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  margin-bottom: 7px;
  letter-spacing: .04em;
}
.compare-table td.is-rec {
  font-weight: 500;
}
.check-ok {
  color: var(--ok);
  font-size: 16px;
}
.check-no {
  color: #CBD0D9;
  font-size: 14px;
}
.price-num {
  font-family: "DIN Alternate", "Barlow Condensed", Arial, sans-serif;
  color: var(--gold);
  font-size: 20px;
  font-weight: 700;
}
.table-note {
  font-size: 13px;
  color: var(--gray);
  margin: 18px 0 26px;
  text-align: center;
}
.table-bottom-btn .btn {
  width: 100%;
}
@media (max-width: 640px) {
  .compare-table th,
  .compare-table td {
    padding: 12px 8px;
    font-size: 13px;
  }
  .table-note {
    margin: 14px 0 18px;
  }
}

/* ---------- level cards ---------- */
#levels {
  padding-top: calc(var(--section-space) - 20px);
}
.level-card {
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 28px 26px 26px;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}
.level-card::before {
  content: '';
  display: block;
  height: 6px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
.level-card--green::before {
  background: linear-gradient(90deg, var(--ok), #58D9B3);
}
.level-card--orange::before {
  background: linear-gradient(90deg, var(--brand), #FF8A3D);
}
.level-card--gold::before {
  background: linear-gradient(90deg, var(--gold), #FFE39B);
}
.level-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 90, 31, .32);
}
.level-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}
.level-card__name {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}
.level-card__price {
  background: var(--bg);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  color: var(--gray);
  font-weight: 600;
  white-space: nowrap;
}
.level-card__price em {
  font-style: normal;
  font-family: "DIN Alternate", "Barlow Condensed", Arial, sans-serif;
  font-size: 24px;
  color: var(--brand);
  font-weight: 700;
}
.level-card__list {
  list-style: none;
  margin: 26px 0 24px;
  flex: 1;
}
.level-card__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 11px;
}
.level-card__list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}
.level-card__list li.is-ok {
  color: var(--ink);
}
.level-card__list li.is-ok::before {
  background: var(--ok);
}
.level-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.level-card__link:hover {
  gap: 12px;
}

/* ---------- exclusive section ---------- */
.exclusive-card {
  background: var(--card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.exclusive-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.exclusive-card__img {
  position: relative;
  height: 160px;
  overflow: hidden;
  display: block;
}
.exclusive-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.exclusive-card:hover .exclusive-card__img img {
  transform: scale(1.03);
}
.exclusive-card__img .tag {
  position: absolute;
  top: 12px;
  right: 12px;
}
.exclusive-card__body {
  padding: 22px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.exclusive-card__body h3 {
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
  font-weight: 600;
}
.exclusive-card__summary {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0 0 14px;
  flex: 1;
}
.exclusive-card__link {
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
}
.exclusive-card__link:hover {
  text-decoration: underline;
}

/* ---------- tag ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  white-space: nowrap;
}
.tag-gold {
  background: var(--gold);
  color: var(--ink);
}
.tag-orange {
  background: rgba(255, 90, 31, .12);
  color: var(--brand);
}

/* ---------- FAQ accordion ---------- */
.faq-accordion {
  list-style: none;
  max-width: 840px;
  margin: 0 auto;
}
.faq-accordion .accordion-item {
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  overflow: hidden;
  border: none;
  transition: box-shadow var(--transition);
}
.faq-accordion .accordion-item:hover {
  box-shadow: var(--shadow-hover);
}
.faq-accordion .accordion-title {
  background: var(--card);
  border: none;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  padding: 18px 54px 18px 22px;
  position: relative;
  border-radius: var(--radius-md);
}
.faq-accordion .accordion-title::after {
  content: '\f078';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--brand);
  transition: transform var(--transition);
}
.faq-accordion .accordion-item.is-active .accordion-title::after {
  transform: translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-title:hover {
  background: #F9F7F1;
  color: var(--brand);
}
.faq-accordion .accordion-content {
  background: var(--card);
  border: none;
  padding: 0 22px 20px;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.75;
}
.faq-accordion .accordion-content p {
  margin: 0;
}

/* ---------- CTA ---------- */
.cta-panel {
  background: linear-gradient(135deg, var(--ink) 0%, #A63A1A 55%, var(--brand) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.cta-panel h2 {
  color: #fff;
  font-size: 34px;
  line-height: 1.3;
  margin: 0 0 12px;
  font-weight: 700;
}
.cta-panel p {
  color: rgba(255, 255, 255, .82);
  font-size: 15px;
  margin: 0 0 30px;
}
.cta-float {
  position: absolute;
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  font-family: "DIN Alternate", "Barlow Condensed", Arial, sans-serif;
  backdrop-filter: blur(4px);
}
.cta-float--a {
  top: 28px;
  left: 32px;
}
.cta-float--b {
  bottom: 28px;
  right: 32px;
}
@media (max-width: 640px) {
  .cta-panel {
    padding: 46px 22px;
  }
  .cta-panel h2 {
    font-size: 26px;
  }
  .cta-float {
    display: none;
  }
}

/* ---------- news card ---------- */
.news-card {
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.news-card__img {
  position: relative;
  height: 132px;
  overflow: hidden;
  display: block;
}
.news-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.news-card:hover .news-card__img img {
  transform: scale(1.03);
}
.news-card__img .tag {
  position: absolute;
  top: 10px;
  left: 10px;
}
.news-card__body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card__title {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}
.news-card__summary {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gray);
}
.news-card__link {
  color: var(--brand);
  font-weight: 600;
  transition: color var(--transition);
}
.news-card__link:hover {
  color: var(--brand-dark);
}

/* ---------- empty state ---------- */
.empty-state {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 52px 20px;
  text-align: center;
}
.empty-state__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #F1EFE9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #A9AEBA;
  font-size: 24px;
  margin: 0 auto 14px;
}
.empty-state h4 {
  font-size: 16px;
  margin: 0 0 6px;
  font-weight: 600;
}
.empty-state p {
  font-size: 14px;
  color: var(--gray);
  margin: 0;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .72);
  padding: 64px 0 24px;
  margin-top: 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 18px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin: 16px 0 0;
  max-width: 360px;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  margin: 0 0 16px;
  font-weight: 600;
}
.footer-links a {
  color: rgba(255, 255, 255, .68);
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover {
  color: var(--brand);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 10px;
}
.footer-contact a {
  color: rgba(255, 255, 255, .68);
  transition: color var(--transition);
}
.footer-contact a:hover {
  color: var(--brand);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}
@media (max-width: 640px) {
  .site-footer {
    padding: 48px 0 22px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --brand: #FF5A1F;
  --brand-dark: #E84C14;
  --brand-grad: linear-gradient(135deg, #FF5A1F 0%, #FF8A3D 100%);
  --ok: #13B586;
  --gold: #FFC53D;
  --ink: #15161E;
  --gray: #6C7280;
  --bg: #F6F4EE;
  --card: #FFFFFF;
  --line: rgba(21, 22, 30, .08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 14px rgba(22, 22, 30, .06);
  --shadow-hover: 0 14px 30px rgba(22, 22, 30, .10);
  --spacing-section: 88px;
  --font-num: "Barlow Condensed", "DIN Alternate", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.grid-container { max-width: 1200px; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .25s ease;
  min-height: 44px;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232, 76, 20, .25);
}
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 90, 31, .15), 0 10px 24px rgba(232, 76, 20, .22);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(232, 76, 20, .20);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: rgba(255, 255, 255, .65);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .65);
}
.btn-outline-light:hover, .btn-outline-light:focus {
  background: rgba(255, 255, 255, .10);
  color: #fff;
  border-color: #fff;
}
.btn-outline-light:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .18);
}
.btn-gold {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  height: 52px;
  padding: 0 36px;
  font-size: 16px;
}
.btn-gold:hover, .btn-gold:focus {
  background: #FFB800;
  border-color: #FFB800;
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 197, 61, .28);
}
.btn-gold:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 197, 61, .25);
}
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; min-height: 38px; }

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  transition: box-shadow .3s ease;
}
.site-header.scrolled {
  background: #fff;
  box-shadow: 0 4px 16px rgba(22, 22, 30, .08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--brand-grad);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -.5px;
}
.brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  font-size: 15px;
  font-weight: 500;
  color: #3D3F4A;
  border-radius: 10px;
  transition: background .2s ease, color .2s ease;
}
.nav-link:hover {
  color: var(--brand);
  background: rgba(255, 90, 31, .06);
}
.nav-link.active {
  color: var(--brand);
  font-weight: 600;
  background: rgba(255, 90, 31, .08);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 8px;
}
.nav-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 6px;
}
.nav-login:hover { color: var(--brand); }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    box-shadow: 0 8px 24px rgba(22, 22, 30, .10);
    border-radius: 0 0 20px 20px;
    transform: translateY(-115%);
    transition: transform .3s ease;
    gap: 2px;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-link {
    min-height: 46px;
    font-size: 16px;
    padding: 0 12px;
    border-radius: 10px;
  }
  .nav-actions {
    margin-left: 0;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    justify-content: flex-end;
  }
  .nav-toggle {
    display: inline-flex;
  }
}

/* ========== HERO ========== */
.cat-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background:
    radial-gradient(ellipse at 82% 28%, rgba(255, 90, 31, .22), transparent 58%),
    linear-gradient(135deg, #15161E 0%, #1B1C27 52%, #261A14 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cat-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 1px solid rgba(255, 90, 31, .15);
  pointer-events: none;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}
.badge-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  padding: 12px 18px;
  backdrop-filter: blur(6px);
}
.badge-num {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.badge-text {
  font-size: 14px;
  color: #B9BDC7;
  line-height: 1.35;
}
.cat-hero h1 {
  font-size: 44px;
  line-height: 1.2;
  color: #fff;
  font-weight: 800;
  letter-spacing: .01em;
  margin-bottom: 16px;
}
.cat-hero h1 .h1-suffix {
  color: var(--brand);
  font-weight: 700;
}
.hero-desc {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.75;
  color: #B9BDC7;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
@media (max-width: 640px) {
  .cat-hero {
    min-height: auto;
    padding: 100px 0 56px;
  }
  .cat-hero h1 {
    font-size: 32px;
  }
  .hero-badges {
    gap: 8px;
  }
  .badge-card {
    padding: 10px 12px;
    gap: 8px;
  }
  .badge-num {
    font-size: 24px;
  }
  .badge-text {
    font-size: 12px;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* ========== 入口方式卡片区 ========== */
.entry-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--brand);
  font-weight: 600;
  background: rgba(255, 90, 31, .08);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.section-head h2 {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.7;
}
.entry-card {
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  border: 1px solid transparent;
}
.entry-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 90, 31, .35);
}
.entry-card::before {
  content: "";
  display: block;
  height: 5px;
  background: var(--brand-grad);
}
.entry-card-media {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.entry-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.entry-card:hover .entry-card-media img {
  transform: scale(1.04);
}
.entry-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(21, 22, 30, .80);
  color: #fff;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  letter-spacing: .02em;
}
.entry-card-body {
  padding: 26px 26px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.entry-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.entry-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 20px;
  flex: 1;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
}
.card-link i {
  transition: transform .25s ease;
  font-size: 12px;
}
.card-link:hover {
  color: var(--brand-dark);
}
.card-link:hover i {
  transform: translateX(4px);
}
@media (max-width: 640px) {
  .entry-section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
}

/* ========== 登录流程区 ========== */
.flow-section {
  background: var(--ink);
  padding: var(--spacing-section) 0;
}
.flow-section .section-head h2 {
  color: #fff;
}
.flow-section .section-head p {
  color: #B9BDC7;
}
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.flow-step {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  position: relative;
  transition: background .3s ease, border-color .3s ease, transform .3s ease;
}
.flow-step:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 90, 31, .40);
  transform: translateY(-4px);
}
.step-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: rgba(255, 197, 61, .90);
  line-height: 1;
  display: block;
  margin-bottom: 18px;
}
.flow-step h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.flow-step p {
  font-size: 14px;
  line-height: 1.65;
  color: #B9BDC7;
}
@media (max-width: 900px) {
  .flow-steps {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .flow-steps { grid-template-columns: 1fr; }
  .flow-section { padding: 56px 0; }
}

/* ========== 适用场景信息条区 ========== */
.scenario-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}
.scenario-list {
  max-width: 960px;
  margin: 0 auto;
}
.scenario-item {
  display: flex;
  align-items: flex-start;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 28px 30px;
  margin-bottom: 18px;
  gap: 26px;
  transition: transform .3s ease, box-shadow .3s ease;
  border-left: 4px solid transparent;
}
.scenario-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
  border-left-color: var(--brand);
}
.scenario-label {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 16px;
  background: rgba(255, 90, 31, .10);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  white-space: nowrap;
  margin-top: 4px;
}
.scenario-content {
  flex: 1;
}
.scenario-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.scenario-content p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 10px;
}
.scenario-content a {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.scenario-content a:hover {
  color: var(--brand-dark);
}
.scenario-content a i {
  font-size: 12px;
  transition: transform .25s ease;
}
.scenario-content a:hover i {
  transform: translateX(4px);
}
@media (max-width: 640px) {
  .scenario-section { padding: 56px 0; }
  .scenario-item {
    flex-direction: column;
    gap: 12px;
    padding: 22px 20px;
  }
  .scenario-label {
    align-self: flex-start;
  }
}

/* ========== FAQ ========== */
.faq-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.accordion {
  background: transparent;
}
.accordion-item {
  background: var(--card);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  border: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease;
  overflow: hidden;
}
.accordion-item:hover {
  border-color: rgba(255, 90, 31, .25);
  box-shadow: var(--shadow-hover);
}
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  line-height: 1.45;
  border: none;
  position: relative;
}
.accordion-title:hover,
.accordion-title:focus {
  background: #F9F7F1;
  color: var(--ink);
}
.accordion-title:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(255, 90, 31, .25);
}
.accordion-title::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--gray);
  transition: transform .3s ease, color .3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.accordion-item.is-active .accordion-title::after {
  transform: rotate(180deg);
  color: var(--brand);
}
.accordion-content {
  border-top: 1px solid var(--line);
  padding: 18px 26px 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}
@media (max-width: 640px) {
  .faq-section { padding: 56px 0; }
  .accordion-title {
    padding: 18px 18px;
    font-size: 15px;
  }
  .accordion-content {
    padding: 16px 18px 18px;
  }
}

/* ========== CTA条 ========== */
.cta-section {
  padding-bottom: var(--spacing-section);
  background: var(--bg);
}
.cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg, #15161E 0%, #3A2014 50%, #FF5A1F 115%);
  border-radius: var(--radius-lg);
  padding: 44px 52px;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  top: -60px;
  right: 20px;
  background: radial-gradient(circle, rgba(255, 197, 61, .18), transparent 65%);
}
.cta-strip h2 {
  font-size: 24px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
}
.cta-strip p {
  font-size: 15px;
  color: #C7CBD4;
  line-height: 1.65;
  margin-bottom: 0;
}
.cta-strip .btn {
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .cta-section { padding-bottom: 56px; }
  .cta-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
  }
  .cta-strip .btn {
    width: 100%;
    height: 48px;
  }
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--ink);
  color: #A7ABB8;
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .brand {
  margin-bottom: 14px;
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: #A7ABB8;
  max-width: 320px;
}
.footer-top h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .03em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: #A7ABB8;
  transition: color .25s ease;
}
.footer-links a:hover {
  color: var(--brand);
}
.footer-contact p {
  font-size: 14px;
  color: #A7ABB8;
  margin-bottom: 8px;
  line-height: 1.6;
}
.footer-bottom {
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 14px;
  color: #7A7E8C;
}
@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ========== Focus 通用 ========== */
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 90, 31, .25);
  border-radius: 8px;
}

/* roulang page: article */
:root {
      --brand: #FF5A1F;
      --brand-dark: #E84C14;
      --ok: #13B586;
      --gold: #FFC53D;
      --ink: #15161E;
      --gray: #6C7280;
      --bg: #F6F4EE;
      --card: #FFFFFF;
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 4px 14px rgba(22, 22, 30, 0.06);
      --shadow-hover: 0 14px 30px rgba(22, 22, 30, 0.10);
      --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.75;
      color: var(--ink);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--brand); text-decoration: none; transition: color .2s, border-color .2s, background .2s, box-shadow .2s, transform .2s; }
    a:hover { color: var(--brand-dark); }
    img { max-width: 100%; height: auto; display: block; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    @media (max-width: 640px) { .container { padding: 0 16px; } }

    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      height: 44px; padding: 0 24px; border-radius: var(--radius-sm);
      font-size: 15px; font-weight: 600; border: 2px solid transparent;
      cursor: pointer; transition: all .25s ease; white-space: nowrap;
    }
    .btn-primary { background: var(--brand); color: #fff; }
    .btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255, 90, 31, 0.28); }
    .btn-primary:focus-visible { outline: 3px solid rgba(255, 90, 31, 0.2); outline-offset: 2px; }
    .btn-outline { background: transparent; border-color: var(--brand); color: var(--brand); }
    .btn-outline:hover { background: rgba(255, 90, 31, 0.08); color: var(--brand-dark); transform: translateY(-1px); }
    .btn-outline:focus-visible { outline: 3px solid rgba(255, 90, 31, 0.15); outline-offset: 2px; }
    .btn-lg { height: 52px; padding: 0 36px; font-size: 16px; border-radius: 14px; }
    .btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
    .btn-white-outline { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
    .btn-white-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }
    .btn-gold { background: var(--gold); color: var(--ink); border-color: var(--gold); }
    .btn-gold:hover { background: #ffb020; color: var(--ink); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(255,197,61,.3); }

    /* ========== 导航 ========== */
    .site-header {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(10px);
      transition: box-shadow .3s, background .3s;
    }
    .site-header.scrolled { background: #fff; box-shadow: 0 4px 16px rgba(22,22,30,.08); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .brand-mark {
      width: 32px; height: 32px; border-radius: 8px;
      background: linear-gradient(135deg, #FF5A1F, #FF8A3D);
      display: inline-flex; align-items: center; justify-content: center;
      color: #fff; font-size: 18px; font-weight: 800;
      font-family: "DIN Alternate", "Barlow Condensed", sans-serif;
      box-shadow: 0 4px 10px rgba(255,90,31,.25);
    }
    .brand-name { font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: .3px; }
    .main-nav { display: flex; align-items: center; gap: 6px; }
    .nav-link {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 8px 14px; border-radius: 999px;
      font-size: 15px; font-weight: 500; color: var(--ink);
      transition: all .2s;
    }
    .nav-link:hover { background: rgba(255,90,31,.08); color: var(--brand); }
    .nav-link.active { background: rgba(255,90,31,.1); color: var(--brand); font-weight: 600; }
    .nav-actions { display: flex; align-items: center; gap: 12px; margin-left: 12px; }
    .nav-login { font-size: 14px; color: var(--ink); padding: 8px 4px; }
    .nav-login:hover { color: var(--brand); }
    .nav-toggle {
      display: none; width: 44px; height: 44px; margin-left: 8px;
      background: none; border: none; border-radius: 10px; cursor: pointer;
      flex-direction: column; align-items: center; justify-content: center; gap: 5px;
    }
    .nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .3s; }
    @media (max-width: 1024px) {
      .main-nav {
        position: fixed; top: 0; right: -320px; width: 320px; height: 100vh;
        background: #fff; flex-direction: column; align-items: stretch;
        padding: 84px 24px 32px; gap: 4px;
        box-shadow: -8px 0 30px rgba(22,22,30,.12);
        transition: right .35s ease;
      }
      .main-nav.open { right: 0; }
      .nav-link { justify-content: flex-start; padding: 14px 18px; font-size: 17px; border-radius: 12px; }
      .nav-actions { flex-direction: row; margin-left: 0; margin-top: 16px; justify-content: center; gap: 16px; }
      .nav-toggle { display: inline-flex; }
      .header-inner { height: 64px; }
    }

    /* ========== 文章头部 ========== */
    .article-hero {
      position: relative;
      background: linear-gradient(135deg, rgba(21,22,30,.94), rgba(21,22,30,.72)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: #fff;
      padding: 68px 0 104px;
    }
    .article-hero::after {
      content: '';
      position: absolute; right: 10%; top: 10%;
      width: 420px; height: 420px;
      background: radial-gradient(circle, rgba(255,90,31,.18), transparent 70%);
      pointer-events: none;
    }
    .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 20px; }
    .breadcrumb a { color: rgba(255,255,255,.8); }
    .breadcrumb a:hover { color: var(--brand); }
    .breadcrumb-sep { color: rgba(255,255,255,.4); }
    .breadcrumb-current { color: rgba(255,255,255,.95); font-weight: 600; }
    .article-title {
      font-size: 36px; line-height: 1.3; font-weight: 800;
      color: #fff; margin-bottom: 20px; position: relative; z-index: 1;
      letter-spacing: .2px;
    }
    @media (max-width: 768px) { .article-title { font-size: 28px; } }
    @media (max-width: 520px) { .article-title { font-size: 24px; } }
    .article-meta { display: flex; flex-wrap: wrap; gap: 12px; position: relative; z-index: 1; }
    .meta-item {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 6px 14px; border-radius: 999px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.16);
      font-size: 13px; color: rgba(255,255,255,.85);
    }
    .meta-item i { font-size: 12px; opacity: .7; }
    .article-hero-visual { position: relative; z-index: 1; }
    .article-hero-visual img {
      border-radius: 20px; border: 2px solid rgba(255,255,255,.14);
      box-shadow: 0 18px 40px rgba(0,0,0,.35);
      object-fit: cover; width: 100%; height: 260px;
    }
    @media (max-width: 1024px) { .article-hero-visual { display: none; } }

    /* ========== 正文主体 ========== */
    .article-main { position: relative; z-index: 2; margin-top: -56px; padding-bottom: 24px; }
    .article-card {
      background: var(--card); border-radius: var(--radius-lg);
      box-shadow: var(--shadow-hover);
      overflow: hidden;
    }
    .article-content { padding: 40px 44px; }
    @media (max-width: 768px) { .article-content { padding: 28px 22px; } }
    @media (max-width: 520px) { .article-content { padding: 22px 16px; } }
    .article-content p { font-size: 17px; line-height: 1.85; color: #2D2E38; margin-bottom: 1.1em; }
    @media (max-width: 768px) { .article-content p { font-size: 16px; } }
    .article-content h2 { font-size: 26px; font-weight: 700; color: var(--ink); margin: 1.6em 0 .6em; line-height: 1.35; }
    .article-content h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin: 1.4em 0 .5em; line-height: 1.4; }
    .article-content ul, .article-content ol { margin: 1em 0 1.2em; padding-left: 1.6em; }
    .article-content li { font-size: 16px; line-height: 1.8; margin-bottom: .4em; }
    .article-content ul li::marker { color: var(--brand); }
    .article-content blockquote {
      border-left: 4px solid var(--brand); background: #FFF7F3;
      padding: 16px 22px; border-radius: 0 12px 12px 0;
      margin: 1.4em 0; color: #4A4B57; font-size: 15px; line-height: 1.75;
    }
    .article-content img { border-radius: 12px; margin: 1.4em 0; box-shadow: var(--shadow); }
    .article-content figcaption { font-size: 14px; color: var(--gray); text-align: center; margin: -1em 0 1.4em; }
    .article-content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: 15px; background: #fff; border-radius: 12px; overflow: hidden; }
    .article-content table th { background: var(--ink); color: #fff; padding: 12px 14px; text-align: left; font-weight: 600; }
    .article-content table td { padding: 11px 14px; border-bottom: 1px solid #EEEDE8; color: #3A3B45; }
    .article-content table tr:nth-child(even) td { background: #FBF9F4; }
    .article-content a { color: var(--brand); border-bottom: 1px solid rgba(255,90,31,.3); }
    .article-content a:hover { color: var(--brand-dark); border-color: var(--brand-dark); }
    .article-content code { background: #F1F0EB; padding: 2px 8px; border-radius: 6px; font-size: 14px; color: var(--brand-dark); }
    .article-content pre { background: var(--ink); color: #E8E6E0; padding: 20px; border-radius: 14px; overflow-x: auto; margin: 1.4em 0; }
    .article-content pre code { background: none; color: inherit; padding: 0; }

    /* ========== 文章卡片底部 ========== */
    .article-card-footer {
      border-top: 1px solid #F0EEE8; padding: 30px 44px;
      background: #FEFDFB;
    }
    @media (max-width: 768px) { .article-card-footer { padding: 24px 22px; } }
    @media (max-width: 520px) { .article-card-footer { padding: 20px 16px; } }
    .article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
    .tag-chip {
      display: inline-flex; align-items: center;
      padding: 6px 16px; border-radius: 999px;
      border: 1px solid var(--brand); color: var(--brand);
      font-size: 13px; font-weight: 500; background: rgba(255,90,31,.04);
    }
    .article-pager {
      display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
      margin-bottom: 24px;
    }
    @media (max-width: 640px) { .article-pager { grid-template-columns: 1fr; } }
    .pager-link {
      display: flex; flex-direction: column; gap: 5px;
      padding: 16px 20px; border-radius: 14px;
      background: var(--card); border: 1px solid #ECE9E2;
      transition: all .25s;
    }
    .pager-link:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-2px); }
    .pager-label { font-size: 12px; color: var(--gray); display: flex; align-items: center; gap: 6px; }
    .pager-title { font-size: 14px; font-weight: 600; color: var(--ink); }
    .pager-next { text-align: right; }
    .pager-next .pager-label { justify-content: flex-end; }
    .article-back { text-align: center; margin-top: 8px; }

    /* ========== 未找到 ========== */
    .not-found-card {
      background: var(--card); border-radius: var(--radius-lg);
      box-shadow: var(--shadow-hover); padding: 70px 40px;
      text-align: center;
    }
    .not-found-card p { font-size: 18px; color: var(--gray); margin-bottom: 24px; }
    .not-found-icon {
      width: 64px; height: 64px; border-radius: 50%;
      background: #F1F0EB; display: inline-flex; align-items: center; justify-content: center;
      font-size: 24px; color: var(--gray); margin-bottom: 16px;
    }

    /* ========== 相关阅读 ========== */
    .related-section { padding: 88px 0 24px; }
    @media (max-width: 768px) { .related-section { padding: 56px 0 16px; } }
    .related-head {
      display: flex; align-items: flex-end; justify-content: space-between;
      margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
    }
    .related-head h2 { font-size: 34px; font-weight: 800; color: var(--ink); line-height: 1.25; }
    @media (max-width: 768px) { .related-head h2 { font-size: 26px; } }
    .related-head p { color: var(--gray); font-size: 14px; margin-top: 8px; }
    .related-card {
      background: var(--card); border-radius: var(--radius-md);
      overflow: hidden; box-shadow: var(--shadow);
      transition: all .3s ease; height: 100%;
      display: flex; flex-direction: column;
    }
    .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
    .related-card-img { position: relative; overflow: hidden; height: 170px; }
    .related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
    .related-card:hover .related-card-img img { transform: scale(1.05); }
    .related-card-badge {
      position: absolute; top: 12px; left: 12px;
      background: rgba(21,22,30,.72); backdrop-filter: blur(4px);
      color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 999px;
      border: 1px solid rgba(255,255,255,.2);
    }
    .related-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .related-card-body h3 { font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.4; }
    .related-card-body h3 a { color: var(--ink); }
    .related-card-body h3 a:hover { color: var(--brand); }
    .related-card-date { font-size: 13px; color: var(--gray); display: flex; align-items: center; gap: 6px; margin-top: auto; }

    /* ========== CTA 区 ========== */
    .article-cta-section { padding: 64px 0; }
    .cta-box {
      background: linear-gradient(135deg, #15161E 0%, #5A2A1A 45%, #FF5A1F 100%);
      border-radius: var(--radius-lg); padding: 48px 56px;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 28px;
      position: relative; overflow: hidden;
    }
    @media (max-width: 768px) { .cta-box { padding: 36px 28px; flex-direction: column; text-align: center; justify-content: center; } }
    .cta-box::after {
      content: '';
      position: absolute; right: -80px; top: -80px;
      width: 260px; height: 260px;
      background: radial-gradient(circle, rgba(255,197,61,.16), transparent 70%);
      pointer-events: none;
    }
    .cta-text h2 { font-size: 26px; font-weight: 800; color: #fff; margin-bottom: 8px; }
    @media (max-width: 768px) { .cta-text h2 { font-size: 22px; } }
    .cta-text p { font-size: 15px; color: rgba(255,255,255,.8); line-height: 1.65; }
    .cta-box .btn { position: relative; z-index: 1; }

    /* ========== 页脚 ========== */
    .site-footer { background: var(--ink); color: rgba(255,255,255,.72); padding: 70px 0 0; margin-top: 80px; }
    .site-footer a { color: rgba(255,255,255,.72); }
    .site-footer a:hover { color: var(--brand); }
    .footer-top {
      display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.4fr; gap: 48px;
      padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08);
    }
    @media (max-width: 1024px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; } }
    @media (max-width: 640px) { .footer-top { grid-template-columns: 1fr; gap: 28px; } }
    .footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 16px; max-width: 340px; }
    .site-footer h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
    .footer-links { display: flex; flex-direction: column; gap: 12px; }
    .footer-links a { font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
    .footer-contact p { font-size: 14px; line-height: 1.8; margin-bottom: 8px; }
    .footer-bottom { padding: 24px 0; text-align: center; font-size: 14px; color: rgba(255,255,255,.5); border-top: 1px solid rgba(255,255,255,.06); margin-top: 0; }
    .footer-brand .brand-name { color: #fff; }
    .footer-brand .brand-mark { box-shadow: 0 4px 14px rgba(255,90,31,.2); }
    @media (max-width: 640px) {
      .site-footer { padding-top: 48px; margin-top: 48px; }
      .footer-top { gap: 24px; padding-bottom: 32px; }
    }

    /* ========== 通用 section 间距 ========== */
    .section-gap { padding: 88px 0; }
    @media (max-width: 768px) { .section-gap { padding: 56px 0; } }

    /* 手机端优化 */
    @media (max-width: 520px) {
      .article-hero { padding: 44px 0 76px; }
      .article-main { margin-top: -40px; }
      .article-content p { font-size: 15.5px; }
      .meta-item { font-size: 12px; padding: 5px 10px; }
      .related-head h2 { font-size: 24px; }
    }

/* roulang page: category2 */
/* ===== Design Tokens ===== */
  :root {
    --brand: #FF5A1F;
    --brand-dark: #E84C14;
    --brand-light: #FF8A3D;
    --ok: #13B586;
    --gold: #FFC53D;
    --ink: #15161E;
    --gray: #6C7280;
    --bg: #F6F4EE;
    --card: #FFFFFF;
    --line: #E8E4DC;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-pill: 999px;
    --shadow-sm: 0 4px 14px rgba(22, 22, 30, 0.06);
    --shadow-hover: 0 14px 30px rgba(22, 22, 30, 0.10);
    --space-section: 88px;
    --space-section-mobile: 56px;
    --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
    --font-num: "DIN Alternate", "Barlow Condensed", var(--font-cn);
  }

  /* ===== Base Reset ===== */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

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

  body {
    font-family: var(--font-cn);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
  }

  a:hover,
  a:focus {
    color: var(--brand);
    outline: none;
  }

  a:focus-visible,
  button:focus-visible {
    outline: 2px solid rgba(255, 90, 31, 0.4);
    outline-offset: 2px;
  }

  ul,
  ol {
    list-style: none;
  }

  .grid-container {
    max-width: 1200px;
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: box-shadow 0.3s ease, background 0.3s ease;
    border-bottom: 1px solid rgba(232, 228, 220, 0.6);
  }

  .site-header.scrolled {
    background: #fff;
    box-shadow: 0 4px 16px rgba(22, 22, 30, 0.08);
    border-bottom-color: transparent;
  }

  .header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
  }

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

  .brand-mark {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    line-height: 1;
    letter-spacing: -0.5px;
  }

  .brand-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.2px;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-link:hover {
    color: var(--brand);
    background: rgba(255, 90, 31, 0.06);
  }

  .nav-link.active {
    color: var(--brand);
    background: rgba(255, 90, 31, 0.08);
    font-weight: 600;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 8px;
  }

  .nav-login {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 8px 4px;
  }

  .nav-login:hover {
    color: var(--brand);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
  }

  .btn-sm {
    height: 38px;
    padding: 0 20px;
    font-size: 14px;
  }

  .btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 90, 31, 0.28);
  }

  .btn-primary:hover {
    background: var(--brand-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(232, 76, 20, 0.32);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 3px 8px rgba(232, 76, 20, 0.3);
  }

  .btn-primary:focus-visible {
    outline: 2px solid rgba(255, 90, 31, 0.35);
    outline-offset: 2px;
  }

  .btn-outline {
    background: transparent;
    color: var(--brand);
    border-color: var(--brand);
  }

  .btn-outline:hover {
    background: rgba(255, 90, 31, 0.08);
    color: var(--brand-dark);
    transform: translateY(-2px);
  }

  .btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.75);
  }

  .btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    transform: translateY(-2px);
    border-color: #fff;
  }

  .btn-gold {
    background: var(--gold);
    color: var(--ink);
    box-shadow: 0 4px 16px rgba(255, 197, 61, 0.4);
  }

  .btn-gold:hover {
    background: #f0b429;
    color: var(--ink);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(255, 197, 61, 0.45);
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
  }

  .nav-toggle:hover {
    background: rgba(22, 22, 30, 0.05);
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--ink);
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ===== Hero ===== */
  .cat-hero {
    position: relative;
    background: var(--ink);
    color: #fff;
    min-height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
  }

  .cat-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-1.webp");
    background-size: cover;
    background-position: center 30%;
    opacity: 0.28;
    z-index: -2;
  }

  .cat-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(255, 90, 31, 0.22), transparent 55%),
      linear-gradient(100deg, rgba(21, 22, 30, 0.92) 20%, rgba(21, 22, 30, 0.55) 80%);
    z-index: -1;
  }

  .cat-hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: center;
    padding: 72px 0;
  }

  .cat-hero h1 {
    font-size: 42px;
    line-height: 1.2;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .cat-hero h1 .highlight {
    color: var(--brand-light);
  }

  .cat-hero-sub {
    font-size: 15px;
    color: #B9BDC7;
    line-height: 1.75;
    max-width: 520px;
    margin-bottom: 28px;
  }

  .cat-hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }

  .cat-hero-badges {
    display: grid;
    gap: 14px;
  }

  .data-badge {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    backdrop-filter: blur(6px);
    transition: transform 0.3s ease, background 0.3s ease;
  }

  .data-badge:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.12);
  }

  .data-badge .data-num {
    font-family: var(--font-num);
    font-size: 32px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    min-width: 92px;
  }

  .data-badge .data-label {
    font-size: 13px;
    color: #B9BDC7;
    line-height: 1.4;
  }

  /* ===== Section Common ===== */
  .section {
    padding: var(--space-section) 0;
  }

  .section-bg {
    background: var(--bg);
  }

  .section-card-bg {
    background: #fff;
  }

  .section-dark {
    background: var(--ink);
  }

  .section-head {
    text-align: center;
    margin-bottom: 48px;
  }

  .section-head h2 {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 12px;
  }

  .section-head p {
    font-size: 15px;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
  }

  .section-dark .section-head h2 {
    color: #fff;
  }

  .section-dark .section-head p {
    color: #A7ACB8;
  }

  /* ===== Level Cards ===== */
  .level-card {
    background: var(--card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    border: 1px solid transparent;
    position: relative;
  }

  .level-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 90, 31, 0.35);
  }

  .level-card-top {
    height: 12px;
    flex-shrink: 0;
  }

  .level-card-1 .level-card-top {
    background: linear-gradient(90deg, var(--ok), #3ecf9f);
  }
  .level-card-2 .level-card-top {
    background: linear-gradient(90deg, var(--brand), var(--brand-light));
  }
  .level-card-3 .level-card-top {
    background: linear-gradient(90deg, var(--gold), #f7d876);
  }

  .level-card-body {
    padding: 32px 28px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .level-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
  }

  .level-card-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.3;
  }

  .level-card-header .level-sub {
    font-size: 13px;
    color: var(--gray);
    margin-top: 4px;
  }

  .badge-recommend {
    display: inline-block;
    background: var(--gold);
    color: var(--ink);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    line-height: 1.4;
    white-space: nowrap;
  }

  .level-points {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 20px;
  }

  .level-points .point-num {
    font-family: var(--font-num);
    font-size: 24px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
  }

  .level-features {
    border-top: 1px solid var(--line);
    padding-top: 18px;
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
    flex: 1;
  }

  .level-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #3A3D4A;
    line-height: 1.6;
  }

  .level-features li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    flex-shrink: 0;
    margin-top: 9px;
  }

  .level-features li.done::before {
    background: var(--ok);
  }

  .level-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    transition: gap 0.25s ease;
  }

  .level-link:hover {
    gap: 12px;
    color: var(--brand-dark);
  }

  /* ===== Benefit Strips (dark) ===== */
  .benefit-strip-list {
    display: grid;
    gap: 20px;
    max-width: 920px;
    margin: 0 auto;
  }

  .benefit-strip {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
  }

  .benefit-strip:hover {
    background: rgba(255, 255, 255, 0.09);
    transform: translateX(6px);
    border-color: rgba(255, 90, 31, 0.4);
  }

  .benefit-strip-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: rgba(255, 90, 31, 0.16);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .benefit-strip-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--brand-light);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .benefit-strip-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
  }

  .benefit-strip-body p {
    font-size: 14px;
    color: #A7ACB8;
    line-height: 1.7;
    margin: 0;
  }

  /* ===== Flow Steps ===== */
  .flow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .flow-step {
    text-align: center;
    padding: 32px 22px;
    background: var(--card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    border: 1px solid transparent;
  }

  .flow-step:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: rgba(255, 90, 31, 0.25);
  }

  .flow-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    color: #fff;
    font-family: var(--font-num);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .flow-step h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .flow-step p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
  }

  /* ===== Compare Table ===== */
  .compare-wrap {
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    overflow-x: auto;
  }

  .compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
  }

  .compare-table thead {
    background: var(--ink);
  }

  .compare-table th {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 18px 22px;
    text-align: center;
    line-height: 1.4;
  }

  .compare-table th:first-child {
    text-align: left;
    font-size: 14px;
    color: #B9BDC7;
  }

  .compare-table th.col-recommend {
    position: relative;
    background: rgba(255, 90, 31, 0.28);
  }

  .compare-table td {
    padding: 16px 22px;
    font-size: 14px;
    text-align: center;
    color: #3A3D4A;
    border-bottom: 1px solid var(--line);
  }

  .compare-table td:first-child {
    text-align: left;
    color: var(--ink);
    font-weight: 500;
    background: rgba(246, 244, 238, 0.5);
  }

  .compare-table tbody tr:last-child td {
    border-bottom: none;
  }

  .compare-table tbody tr:hover td {
    background: rgba(255, 90, 31, 0.03);
  }

  .icon-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(19, 181, 134, 0.14);
    color: var(--ok);
    font-size: 13px;
    line-height: 1;
    font-weight: 700;
  }

  .icon-off {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    color: #c8cbd2;
    font-size: 15px;
    line-height: 1;
  }

  .table-num {
    font-family: var(--font-num);
    font-weight: 700;
    color: var(--gold);
    font-size: 16px;
  }

  .card-label {
    display: inline-block;
    background: rgba(255, 197, 61, 0.2);
    color: #8a6d0a;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    margin-top: 8px;
  }

  /* ===== FAQ ===== */
  .custom-accordion {
    background: transparent;
    display: grid;
    gap: 14px;
  }

  .custom-accordion .accordion-item {
    background: var(--card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid transparent;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
  }

  .custom-accordion .accordion-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 90, 31, 0.2);
  }

  .custom-accordion .accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    background: var(--card);
    border: none;
    border-radius: var(--radius-md);
    transition: background 0.25s ease, color 0.25s ease;
    gap: 16px;
  }

  .custom-accordion .accordion-title:hover {
    background: #F9F7F1;
    color: var(--ink);
  }

  .custom-accordion .accordion-title::after {
    content: "";
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--gray);
    border-bottom: 2px solid var(--gray);
    transform: rotate(45deg);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-right: 4px;
  }

  .custom-accordion .accordion-item.is-active .accordion-title::after {
    transform: rotate(-135deg);
    border-color: var(--brand);
  }

  .custom-accordion .accordion-content {
    background: var(--card);
    border: none;
    border-top: 1px solid var(--line);
    padding: 4px 24px 22px;
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
  }

  /* ===== CTA Bar ===== */
  .cta-bar {
    background: linear-gradient(135deg, var(--ink) 0%, #5c2a1d 45%, var(--brand) 100%);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
  }

  .cta-bar::after {
    content: "";
    position: absolute;
    right: -70px;
    top: -70px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 197, 61, 0.12);
    pointer-events: none;
  }

  .cta-text h3 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
  }

  .cta-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
    margin: 0;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--ink);
    color: #B9BDC7;
    padding: 72px 0 28px;
    font-size: 14px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-brand .brand {
    margin-bottom: 14px;
  }

  .footer-brand .brand-name {
    color: #fff;
  }

  .footer-brand p {
    font-size: 13px;
    line-height: 1.8;
    color: #A7ACB8;
    margin: 0;
    max-width: 320px;
  }

  .site-footer h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
  }

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

  .footer-links a {
    font-size: 13px;
    color: #A7ACB8;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--brand-light);
    padding-left: 4px;
  }

  .footer-contact p {
    font-size: 13px;
    color: #A7ACB8;
    line-height: 1.8;
    margin: 0;
  }

  .footer-bottom {
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(185, 189, 199, 0.7);
  }

  .footer-bottom p {
    margin: 0;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .cat-hero-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }

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

    .flow-steps {
      grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
  }

  @media (max-width: 640px) {
    :root {
      --space-section: var(--space-section-mobile);
    }

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

    .main-nav {
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: stretch;
      padding: 16px 20px 24px;
      gap: 4px;
      box-shadow: 0 12px 30px rgba(22, 22, 30, 0.12);
      display: none;
      z-index: 99;
      border-radius: 0 0 20px 20px;
    }

    .main-nav.open {
      display: flex;
    }

    .nav-link {
      font-size: 16px;
      line-height: 48px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
    }

    .nav-actions {
      margin-left: 0;
      margin-top: 8px;
      display: flex;
      gap: 12px;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .cat-hero {
      min-height: auto;
      padding: 56px 0;
    }

    .cat-hero h1 {
      font-size: 32px;
    }

    .cat-hero-badges {
      grid-template-columns: 1fr;
    }

    .data-badge .data-num {
      font-size: 28px;
      min-width: 76px;
    }

    .section-head h2 {
      font-size: 26px;
    }

    .benefit-strip {
      flex-direction: column;
      gap: 14px;
      padding: 20px;
    }

    .flow-steps {
      grid-template-columns: 1fr;
    }

    .cta-bar {
      padding: 36px 28px;
      flex-direction: column;
      text-align: center;
      gap: 24px;
    }

    .cta-text h3 {
      font-size: 22px;
    }

    .footer-top {
      grid-template-columns: 1fr;
      gap: 32px;
    }

    .footer-brand p {
      max-width: 100%;
    }
  }

  @media (max-width: 520px) {
    .cat-hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .cat-hero-actions .btn {
      width: 100%;
    }

    .compare-wrap {
      border-radius: var(--radius-md);
    }

    .compare-table th,
    .compare-table td {
      padding: 14px 12px;
      font-size: 13px;
    }
  }

/* roulang page: category3 */
/* ===== Design Tokens ===== */
:root {
    --brand: #FF5A1F;
    --brand-dark: #E84C14;
    --brand-grad: linear-gradient(135deg, #FF5A1F 0%, #FF8A3D 100%);
    --ok: #13B586;
    --gold: #FFC53D;
    --ink: #15161E;
    --gray: #6C7280;
    --gray-light: #B9BDC7;
    --bg: #F6F4EE;
    --card: #FFFFFF;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-btn: 12px;
    --shadow-sm: 0 4px 14px rgba(22,22,30,0.06);
    --shadow-hover: 0 14px 30px rgba(22,22,30,0.10);
    --font-cn: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","HarmonyOS Sans SC",sans-serif;
    --font-num: "DIN Alternate","Barlow Condensed","PingFang SC",sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: inherit; transition: color 0.25s, border-color 0.25s, background 0.25s; }
button, input, select, textarea { font-family: inherit; }

ul { list-style: none; }

/* ===== Container ===== */
.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ===== Header / Navigation ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(22,22,30,0.05);
    transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.is-scrolled {
    background: #FFFFFF;
    box-shadow: 0 4px 16px rgba(22,22,30,0.08);
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-mark {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: var(--brand-grad);
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.brand-name {
    font-weight: 700;
    font-size: 16px;
    color: var(--ink);
    white-space: nowrap;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 4px 0;
    line-height: 1.3;
    position: relative;
    white-space: nowrap;
}
.nav-link:hover { color: var(--brand); }
.nav-link.active {
    color: var(--brand);
    font-weight: 600;
}
.nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -20px;
    height: 3px;
    border-radius: 4px 4px 0 0;
    background: var(--brand);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-login {
    font-size: 14px;
    color: var(--ink);
    font-weight: 500;
    padding: 0 6px;
}
.nav-login:hover { color: var(--brand); }
.nav-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    border: 0;
    cursor: pointer;
    line-height: 1;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(255,90,31,0.28);
}
.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255,90,31,0.18);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(255,90,31,0.22);
}
.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.65);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.10);
    border-color: #fff;
    transform: translateY(-2px);
}
.btn-outline-light:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255,255,255,0.18);
}
.btn-gold {
    background: var(--gold);
    color: var(--ink);
}
.btn-gold:hover {
    background: #ffb91d;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(255,197,61,0.30);
}
.btn-gold:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255,197,61,0.22);
}
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; }

/* ===== Category Hero ===== */
.cat-hero {
    position: relative;
    background:
        linear-gradient(115deg, rgba(21,22,30,0.97) 0%, rgba(21,22,30,0.88) 45%, rgba(255,90,31,0.35) 100%),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    padding: 88px 0 110px;
    color: #fff;
    display: flex;
    align-items: center;
    min-height: 60vh;
    overflow: hidden;
}
.cat-hero::after {
    content: "";
    position: absolute;
    right: -80px;
    bottom: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(255,90,31,0.18) 0%, transparent 70%);
    pointer-events: none;
}
.cat-hero .grid-container { position: relative; z-index: 2; }

.cat-hero-badge-row {
    display: flex;
    gap: 14px;
    margin-bottom: 34px;
    flex-wrap: wrap;
}
.cat-hero-badge {
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.14);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: 14px;
    padding: 12px 22px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 132px;
}
.cat-hero-badge-num {
    font-family: var(--font-num);
    font-size: 30px;
    font-weight: 700;
    line-height: 1;
    color: var(--gold);
}
.cat-hero-badge-num span { font-size: 18px; margin-left: 1px; }
.cat-hero-badge-label {
    font-size: 12px;
    color: rgba(255,255,255,0.75);
    line-height: 1.4;
    max-width: 64px;
}
.cat-hero-title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 14px;
    color: #fff;
    letter-spacing: 0.01em;
}
.cat-hero-desc {
    font-size: 15px;
    color: #B9BDC7;
    line-height: 1.8;
    max-width: 620px;
    margin-bottom: 28px;
}
.cat-hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* ===== Section Head ===== */
.cat-sec-head {
    text-align: center;
    margin-bottom: 44px;
}
.cat-sec-head h2 {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 8px;
}
.cat-sec-head p {
    font-size: 15px;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
}
.cat-sec-more {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    margin-top: 12px;
}
.cat-sec-more:hover i { transform: translateX(4px); }
.cat-sec-more i { transition: transform 0.25s; margin-left: 4px; }

/* ===== Content Cards ===== */
.cat-cards {
    background: var(--bg);
    padding: 88px 0;
}
.cat-cards .cell { margin-bottom: 24px; }
.cat-card {
    background: var(--card);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.cat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,90,31,0.32);
}
.cat-card-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 12px;
    z-index: 2;
}
.cat-card-bar.gold-dark { background: linear-gradient(90deg, #E8980C, #FFC53D); }
.cat-card-bar.gold-light { background: linear-gradient(90deg, #FFC53D, #FFE08A); }
.cat-card-bar.gold-mix { background: linear-gradient(90deg, #FFE08A, #FFAB1A); }

.cat-card-media {
    position: relative;
    height: 170px;
    overflow: hidden;
}
.cat-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.cat-card:hover .cat-card-media img { transform: scale(1.04); }
.cat-card-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(21,22,30,0.88);
    color: var(--gold);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 13px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    letter-spacing: 0.02em;
}
.cat-card-body {
    padding: 26px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.cat-card-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 10px;
    line-height: 1.4;
}
.cat-card-body p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 18px;
    flex: 1;
}
.cat-card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}
.cat-card-link i { transition: transform 0.25s; }
.cat-card-link:hover { color: var(--brand-dark); }
.cat-card-link:hover i { transform: translateX(4px); }

/* ===== Featured / Deep Block ===== */
.cat-feature {
    background: var(--ink);
    color: #fff;
    padding: 88px 0;
}
.cat-feature-img {
    border-radius: 24px;
    width: 100%;
    object-fit: cover;
    height: 100%;
    min-height: 300px;
    box-shadow: 0 24px 40px rgba(0,0,0,0.28);
}
.cat-feature-content { padding-right: 4px; }
.cat-feature-content h2 {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 14px;
    color: #fff;
}
.cat-feature-content p {
    font-size: 15px;
    color: #B9BDC7;
    line-height: 1.8;
    margin-bottom: 20px;
}
.cat-feature-list { margin: 0; }
.cat-feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #E8EAED;
    padding: 8px 0;
}
.cat-feature-list i {
    color: var(--ok);
    font-size: 16px;
    flex-shrink: 0;
}

/* ===== Info List ===== */
.cat-list-section {
    padding: 88px 0;
    background: var(--bg);
}
.cat-list-wrap {
    max-width: 980px;
    margin: 0 auto;
}
.cat-list-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid transparent;
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.cat-list-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateX(5px);
    border-left-color: var(--brand);
}
.cat-list-tag {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: var(--brand);
    padding: 4px 14px;
    border-radius: 999px;
    min-width: 56px;
    text-align: center;
}
.cat-list-tag.tag-green { background: var(--ok); }
.cat-list-tag.tag-gold { background: #C98A00; }
.cat-list-tag.tag-ink { background: var(--ink); }
.cat-list-tag.tag-orange { background: #FF7A40; }

.cat-list-main {
    flex: 1;
    min-width: 0;
}
.cat-list-main h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s;
}
.cat-list-main h3 a:hover { color: var(--brand); }
.cat-list-main p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.5;
    margin-top: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.cat-list-time {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--gray-light);
    font-family: var(--font-num);
    white-space: nowrap;
}
.cat-list-arrow {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    border: 1px solid rgba(22,22,30,0.10);
    transition: all 0.25s ease;
}
.cat-list-item:hover .cat-list-arrow {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    transform: translat台X(2px);
}
.cat-list-item:hover .cat-list-arrow i { transform: translateX(2px); }
.cat-list-arrow i { transition: transform 0.25s; }

/* ===== FAQ ===== */
.cat-faq {
    background: var(--bg);
    padding: 0 0 88px;
}
.cat-faq-container {
    max-width: 860px;
    margin: 0 auto;
}
.accordion {
    background: transparent;
    border: none;
    margin: 0;
    border-radius: var(--radius-lg);
}
.accordion-item {
    background: #fff;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(22,22,30,0.04);
    overflow: hidden;
    transition: box-shadow 0.25s ease;
}
.accordion-item:hover { box-shadow: var(--shadow-hover); }
.accordion-item.is-active { border-color: rgba(255,90,31,0.18); }
.accordion-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    background: #fff;
    border: none;
    position: relative;
    transition: background 0.25s;
    line-height: 1.5;
}
.accordion-title:hover,
.accordion-title:focus {
    background: #F9F7F1;
    color: var(--ink);
}
.accordion-title::before {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    color: var(--brand);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
}
.accordion-item.is-active .accordion-title::before { transform: rotate(180deg); }
.accordion-content {
    padding: 0 24px 24px;
    background: #fff;
    border: none;
}
.accordion-content p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
    margin: 0;
}
.accordion-content p a { color: var(--brand); font-weight: 500; }
.accordion-content p a:hover { text-decoration: underline; }

/* ===== CTA ===== */
.cat-cta {
    padding: 16px 0 88px;
    background: var(--bg);
}
.cat-cta-inner {
    background: linear-gradient(135deg, #15161E 0%, #3D2E1F 45%, #FF5A1F 100%);
    border-radius: 24px;
    padding: 48px 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cat-cta-inner::after {
    content: "";
    position: absolute;
    top: -80px;
    right: -40px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,197,61,0.22) 0%, transparent 70%);
    pointer-events: none;
}
.cat-cta-text { position: relative; z-index: 1; flex: 1; min-width: 280px; }
.cat-cta-text h2 {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 10px;
    color: #fff;
}
.cat-cta-text p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin: 0;
    max-width: 480px;
}
.cat-cta-actions {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--ink);
    color: #B9BDC7;
    padding: 64px 0 0;
    font-size: 14px;
}
.site-footer .grid-container { max-width: 1200px; }
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.footer-brand .brand-name {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}
.footer-brand p {
    font-size: 14px;
    color: #8B90A0;
    line-height: 1.8;
    margin: 0;
    max-width: 340px;
}
.site-footer h4 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin: 4px 0 16px;
    letter-spacing: 0.02em;
}
.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a,
.footer-contact p {
    font-size: 14px;
    color: #8B90A0;
    transition: color 0.25s;
    line-height: 1.6;
    margin: 0;
}
.footer-links a:hover { color: var(--brand); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 22px 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 13px;
    color: #6C7280;
    margin: 0;
}

/* ===== Responsive Breakpoints ===== */
@media screen and (max-width: 1023.98px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .cat-cta-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 32px;
    }
    .cat-feature-content { padding-right: 0; margin-top: 28px; }
}

@media screen and (max-width: 639.98px) {
    body { font-size: 15px; }
    .grid-container { padding-left: 16px; padding-right: 16px; }

    /* Navigation mobile */
    .nav-wrap { height: 64px; }
    .nav-toggle { display: inline-flex; }
    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 10px 20px 24px;
        box-shadow: 0 16px 30px rgba(22,22,30,0.12);
        display: none;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
        z-index: 999;
    }
    .main-nav.is-open { display: flex; }
    .nav-link {
        display: block;
        font-size: 17px;
        padding: 15px 0;
        border-bottom: 1px solid rgba(22,22,30,0.06);
        white-space: normal;
    }
    .nav-link.active::after { display: none; }
    .nav-link.active { color: var(--brand); }
    .nav-actions {
        flex-direction: row;
        gap: 12px;
        padding-top: 18px;
    }
    .nav-actions .btn { flex: 1; }
    .nav-login { text-align: center; padding: 12px 0; color: var(--ink); }

    /* Hero */
    .cat-hero { padding: 56px 0 72px; min-height: auto; }
    .cat-hero-badge-row { gap: 8px; margin-bottom: 26px; }
    .cat-hero-badge { padding: 10px 16px; min-width: auto; flex: 1; }
    .cat-hero-badge-num { font-size: 26px; }
    .cat-hero-badge-label { font-size: 11px; }
    .cat-hero-title { font-size: 32px; margin-bottom: 10px; }
    .cat-hero-desc { font-size: 14px; }
    .cat-hero-actions .btn { width: 100%; }

    /* Section heads */
    .cat-sec-head { margin-bottom: 32px; }
    .cat-sec-head h2 { font-size: 26px; }
    .cat-sec-head p { font-size: 14px; }

    /* Cards */
    .cat-cards { padding: 56px 0; }
    .cat-card-media { height: 140px; }
    .cat-card-body { padding: 20px 18px 18px; }
    .cat-card-body h3 { font-size: 18px; }
    .cat-card-body p { font-size: 14px; }

    /* Feature */
    .cat-feature { padding: 56px 0; }
    .cat-feature-img { min-height: 200px; }
    .cat-feature-content h2 { font-size: 26px; }
    .cat-feature-content p { font-size: 14px; }

    /* List */
    .cat-list-section { padding: 56px 0; }
    .cat-list-item {
        flex-wrap: wrap;
        gap: 12px;
        padding: 16px 16px;
    }
    .cat-list-tag { min-width: 48px; font-size: 11px; }
    .cat-list-main h3 { font-size: 15px; white-space: normal; line-height: 1.5; }
    .cat-list-main p { font-size: 13px; white-space: normal; }
    .cat-list-time { width: 100%; font-size: 12px; padding-left: 60px; }
    .cat-list-arrow { display: none; }

    /* FAQ */
    .cat-faq { padding: 0 0 56px; }
    .accordion-title { padding: 16px 16px; font-size: 14px; }
    .accordion-content { padding: 0 16px 18px; }

    /* CTA */
    .cat-cta { padding: 8px 0 56px; }
    .cat-cta-inner { padding: 32px 24px; }
    .cat-cta-text h2 { font-size: 24px; }
    .cat-cta-actions .btn { width: 100%; }

    /* Footer */
    .site-footer { padding-top: 48px; }
    .footer-top { grid-template-columns: 1fr; gap: 28px; }
    .footer-brand p { max-width: 100%; }
}