/* roulang page: index */
:root {
    --primary: #7C3AED;
    --primary-deep: #5B21B6;
    --primary-soft: #F1EBFE;
    --accent: #F97316;
    --accent-soft: #FFF1E7;
    --canvas: #F7F7FB;
    --card: #FFFFFF;
    --text: #1C1C28;
    --text-sub: #5B5B6C;
    --border: #E6E2F0;
    --grad-main: linear-gradient(135deg, #7C3AED 0%, #6D28D9 70%, #5B21B6 100%);
    --grad-cta: linear-gradient(120deg, #7C3AED 0%, #8B5CF6 45%, #F97316 130%);
    --radius-btn: 999px;
    --radius-card: 20px;
    --radius-panel: 28px;
    --shadow-card: 0 8px 24px rgba(85, 48, 145, 0.06);
    --shadow-hover: 0 16px 40px rgba(85, 48, 145, 0.12);
    --shadow-cta: 0 8px 18px rgba(124, 58, 237, 0.28);
    --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-stack);
    background: var(--canvas);
    color: var(--text);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

  ul,
  ol {
    list-style: none;
  }

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

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

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

  .overline-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--grad-main);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 7px 16px;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.22);
    margin-bottom: 18px;
  }

  .section {
    padding-top: clamp(3rem, 7vw, 5.5rem);
    padding-bottom: clamp(3rem, 7vw, 5.5rem);
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
    flex-wrap: wrap;
  }

  .section-head h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0;
  }

  .section-head .section-desc {
    color: var(--text-sub);
    font-size: 15px;
    max-width: 420px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 999px;
    padding: 12px 24px;
    font-size: 15px;
    transition: all .3s ease;
    line-height: 1;
    border: 1px solid transparent;
    white-space: nowrap;
  }

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

  .btn:hover {
    transform: translateY(-3px);
  }

  .btn:active {
    transform: scale(0.98);
  }

  .btn-primary {
    background: var(--grad-main);
    color: #fff;
    box-shadow: var(--shadow-cta);
  }

  .btn-primary:hover {
    box-shadow: 0 14px 26px rgba(124, 58, 237, 0.34);
  }

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

  .btn-outline:hover {
    background: var(--primary-soft);
  }

  .btn-light {
    background: #fff;
    color: var(--primary-deep);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  }

  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 18px rgba(249, 115, 22, 0.25);
  }

  .btn-accent:hover {
    background: #ea6a10;
  }

  .card {
    background: var(--card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    border: 1px solid transparent;
    transition: all .3s ease;
  }

  .card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-soft);
  }

  .chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 8px;
    background: var(--primary-soft);
    color: var(--primary-deep);
    font-size: 12px;
    font-weight: 500;
  }

  .chip-accent {
    background: var(--accent-soft);
    color: #c2570c;
  }

  .text-muted {
    color: var(--text-sub);
  }

  .font-number {
    font-variant-numeric: tabular-nums;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--card);
    box-shadow: 0 2px 16px rgba(28, 28, 40, 0.05);
  }

  .topbar {
    background: #faf9fe;
    border-bottom: 1px solid #efecf6;
    font-size: 14px;
    color: var(--text-sub);
  }

  .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 42px;
  }

  .topbar-links {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .top-link {
    position: relative;
    font-weight: 500;
    transition: color .2s ease;
    padding: 8px 0;
  }

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

  .top-link.is-active {
    color: var(--primary);
    font-weight: 600;
  }

  .top-link.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    background: var(--primary);
    border-radius: 6px 6px 0 0;
  }

  .topbar-contact {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 18px;
  }

  .topbar-contact span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .main-nav {
    background: #fff;
  }

  .main-nav-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 84px;
  }

  .brand {
    display: flex;
    align-items: baseline;
    gap: 3px;
    flex-shrink: 0;
    white-space: nowrap;
    font-weight: 800;
    line-height: 1;
    color: var(--primary-deep);
    font-size: 20px;
  }

  .brand small {
    font-size: 12px;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: .06em;
  }

  .nav-search-wrap {
    flex: 1 1 48%;
    min-width: 260px;
    display: flex;
    justify-content: center;
  }

  .nav-search {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 560px;
    height: 44px;
    background: #f7f6fb;
    border: 1px solid #ded8ef;
    border-radius: 999px;
    overflow: hidden;
    transition: box-shadow .25s ease, border-color .25s ease;
  }

  .nav-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
    background: #fff;
  }

  .nav-search svg {
    margin-left: 16px;
    color: #8a88a0;
    flex-shrink: 0;
  }

  .nav-search input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 0 12px;
    font-size: 14px;
    color: var(--text);
    min-width: 0;
  }

  .nav-search button {
    height: 100%;
    background: var(--grad-main);
    color: #fff;
    padding: 0 24px;
    font-size: 14px;
    font-weight: 600;
    transition: opacity .2s ease;
  }

  .nav-search button:hover {
    opacity: 0.92;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .nav-icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all .25s ease;
  }

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

  .btn-brand-nav {
    padding: 11px 26px;
    font-size: 15px;
  }

  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--primary-deep);
  }

  /* Mobile drawer */
  .mobile-drawer {
    display: none;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 20px 0;
    box-shadow: 0 20px 40px rgba(28, 28, 40, 0.06);
  }

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

  .mobile-drawer a {
    display: block;
    padding: 12px 0;
    font-weight: 500;
    border-bottom: 1px solid #f1eef8;
  }

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

  /* Hero */
  .hero {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(ellipse 60% 70% at 8% 15%, rgba(124, 58, 237, 0.08), transparent 55%),
      radial-gradient(ellipse 45% 50% at 90% 75%, rgba(249, 115, 22, 0.08), transparent 60%),
      var(--canvas);
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 60px;
    align-items: center;
  }

  .hero-copy .overline-pill {
    background: var(--accent);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
  }

  .hero-copy h1 {
    font-size: clamp(2.05rem, 4.2vw, 3.4rem);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 18px;
  }

  .hero-copy h1 .text-gradient {
    background: linear-gradient(120deg, #7C3AED 10%, #F97316 78%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-sub {
    font-size: 17px;
    color: var(--text-sub);
    margin-bottom: 24px;
    line-height: 1.8;
    max-width: 500px;
  }

  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 14px;
  }

  .hero-tag i {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-style: normal;
    font-size: 12px;
  }

  .hero-btns {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
  }

  .hero-visual-col {
    position: relative;
  }

  .hero-visual {
    position: relative;
    border-radius: var(--radius-panel);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    background: var(--grad-main);
    min-height: 390px;
  }

  .hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 390px;
  }

  .hero-visual .visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(91, 33, 182, 0.18) 0%, rgba(255, 255, 255, 0.4) 100%);
  }

  .visual-foot-rating {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 24px;
    display: flex;
    gap: 12px;
    z-index: 2;
  }

  .visual-rating-item {
    flex: 1;
    background: rgba(255, 255, 255, 0.74);
    border-radius: 14px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
  }

  .visual-rating-item .icon-circle {
    width: 30px;
    height: 30px;
    background: var(--primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
  }

  .visual-rating-item .icon-circle.orange {
    background: var(--accent);
  }

  .float-proof {
    position: absolute;
    background: #fff;
    border-radius: 16px;
    padding: 14px 18px;
    box-shadow: var(--shadow-hover);
    z-index: 3;
    border-left: 4px solid var(--primary);
    display: flex;
    flex-direction: column;
    line-height: 1.3;
  }

  .float-proof strong {
    font-size: 26px;
    color: var(--primary-deep);
    font-weight: 800;
  }

  .float-proof strong em {
    font-style: normal;
    color: var(--accent);
  }

  .float-proof .proof-label {
    font-size: 12px;
    color: var(--text-sub);
  }

  .proof-top {
    top: 26px;
    right: -10px;
  }

  .proof-bottom {
    bottom: 96px;
    left: -16px;
  }

  /* Trust bar */
  .trust-section {
    margin-top: -28px;
    position: relative;
    z-index: 5;
    padding-bottom: 10px;
  }

  .trust-card {
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 30px 16px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 10px 30px;
    border: 1px solid rgba(230, 226, 240, 0.6);
  }

  .trust-item {
    text-align: center;
    flex: 1 1 200px;
    padding: 8px 12px;
    position: relative;
  }

  .trust-item + .trust-item {
    border-left: 1px solid var(--border);
  }

  .trust-value {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(90deg, #7C3AED, #F97316);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
  }

  .trust-label {
    font-size: 14px;
    color: var(--text-sub);
    margin-top: 4px;
  }

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

  .step-card {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 32px 26px 24px;
    box-shadow: var(--shadow-card);
    border-top: 5px solid var(--primary);
    position: relative;
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
  }

  .step-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
  }

  .step-number {
    width: 52px;
    height: 52px;
    background: var(--grad-main);
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 8px 16px rgba(124, 58, 237, 0.2);
    position: relative;
    z-index: 1;
  }

  .step-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
  }

  .step-card p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.75;
    flex: 1;
  }

  .step-more {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    border-top: 1px dashed var(--border);
    padding-top: 16px;
  }

  .step-more:hover {
    color: var(--primary-deep);
  }

  /* Cases */
  .cases-area {
    background: #fff;
    border-radius: var(--radius-panel);
    padding: 40px;
    box-shadow: var(--shadow-card);
  }

  .case-main-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
    align-items: stretch;
  }

  .case-main-card {
    background: var(--grad-main);
    border-radius: 22px;
    padding: 28px;
    color: #fff;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    min-height: 320px;
  }

  .case-main-card::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    right: -60px;
    bottom: -60px;
    background: rgba(249, 115, 22, 0.36);
  }

  .case-label {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 12px;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
  }

  .case-main-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 26px 0 8px;
  }

  .case-main-card p {
    font-size: 14px;
    line-height: 1.75;
    opacity: 0.92;
    max-width: 90%;
  }

  .case-numbers {
    display: flex;
    gap: 24px;
    margin-top: auto;
    padding-top: 22px;
  }

  .case-number b {
    font-size: 28px;
    font-weight: 800;
    display: block;
  }

  .case-number span {
    font-size: 12px;
    opacity: 0.85;
  }

  .case-side-list {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 22px;
  }

  .case-sm-card {
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: #fff;
    transition: all .25s ease;
    position: relative;
  }

  .case-sm-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
  }

  .case-sm-card .case-scene {
    color: var(--text-sub);
    font-size: 14px;
    flex: 1;
  }

  .case-sm-card .case-result {
    color: var(--primary-deep);
    font-weight: 700;
    font-size: 16px;
  }

  .case-sm-card .case-result span {
    color: var(--accent);
  }

  .case-status {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 999px;
  }

  /* News layout */
  .news-layout {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 28px;
  }

  .news-feature-card {
    overflow: hidden;
    background: #fff;
    border-radius: var(--radius-card);
    display: block;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
  }

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

  .news-cover {
    aspect-ratio: 16 / 8.6;
    overflow: hidden;
    background: var(--primary-soft);
  }

  .news-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .news-feature-body {
    padding: 24px 26px;
  }

  .news-feature-body .meta-line {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 12px;
  }

  .news-feature-body h3 {
    font-size: 21px;
    font-weight: 800;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
  }

  .news-feature-body p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
  }

  .news-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .news-side-item {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    padding: 18px 20px;
    border-left: 3px solid var(--primary);
    transition: all .3s ease;
    display: block;
  }

  .news-side-item:hover {
    border-left-color: var(--accent);
    box-shadow: var(--shadow-hover);
    transform: translateX(4px);
  }

  .news-side-item h4 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .news-side-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 6px;
  }

  .news-side-link {
    font-size: 13px;
    color: var(--primary);
  }

  .news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 52px 30px;
    border: 2px dashed #d6cdf0;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.7);
    color: var(--text-sub);
  }

  .news-area-actions {
    display: flex;
    gap: 8px;
    align-items: center;
  }

  .news-area-actions a {
    font-size: 13px;
    color: var(--text-sub);
    padding: 4px 10px;
    border-radius: 999px;
    transition: all .2s ease;
  }

  .news-area-actions a:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }

  /* FAQ */
  .faq-wrap {
    display: grid;
    grid-template-columns: 0.8fr 1.6fr;
    gap: 44px;
    align-items: start;
  }

  .faq-guide {
    background: var(--accent-soft);
    border-radius: var(--radius-panel);
    padding: 30px;
    position: relative;
    overflow: hidden;
  }

  .faq-guide::before {
    content: "";
    position: absolute;
    width: 90px;
    height: 90px;
    background: rgba(249, 115, 22, 0.18);
    border-radius: 50%;
    right: -18px;
    top: -18px;
  }

  .faq-guide h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
    color: #1c1c28;
  }

  .faq-guide p {
    color: var(--text-sub);
    font-size: 14px;
  }

  .faq-guide a.btn {
    margin-top: 22px;
  }

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    transition: all .3s ease;
  }

  .faq-item .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
  }

  .faq-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all .3s ease;
    flex-shrink: 0;
  }

  .faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: var(--accent);
    color: #fff;
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
  }

  .faq-item.active .faq-a {
    max-height: 220px;
  }

  .faq-a-inner {
    padding: 0 22px 20px;
  }

  /* CTA form */
  .cta-big-card {
    background: var(--grad-main);
    border-radius: var(--radius-panel);
    padding: clamp(28px, 5vw, 56px);
    display: grid;
    grid-template-columns: 0.85fr 1.4fr;
    gap: 52px;
    align-items: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(91, 33, 182, 0.28);
  }

  .cta-big-card::before {
    content: "";
    position: absolute;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    right: 20px;
    top: -40px;
    background: rgba(255, 255, 255, 0.08);
  }

  .cta-big-card::after {
    content: "";
    position: absolute;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    right: 80px;
    bottom: -24px;
    background: var(--accent);
    opacity: 0.8;
  }

  .cta-left h2 {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 18px;
  }

  .cta-left p {
    color: rgba(255, 255, 255, 0.88);
    font-size: 15px;
    max-width: 360px;
  }

  .cta-form {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 24px;
    padding: 28px;
    backdrop-filter: blur(6px);
    position: relative;
    z-index: 2;
  }

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

  .form-group {
    display: flex;
    flex-direction: column;
  }

  .form-group label {
    font-size: 13px;
    color: #fff;
    margin-bottom: 6px;
    font-weight: 500;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: #fff;
    border-radius: 12px;
    padding: 11px 14px;
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: border .2s ease, box-shadow .2s ease;
  }

  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
  }

  .form-group.full {
    grid-column: 1 / -1;
  }

  .form-submit-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
  }

  .btn-submit {
    background: var(--accent);
    color: #fff;
    padding: 14px 36px;
  }

  .btn-submit:hover {
    background: #ea6a10;
  }

  /* Footer */
  .site-footer {
    background: #11101a;
    color: rgba(255, 255, 255, 0.72);
    margin-top: clamp(3rem, 7vw, 5.5rem);
    padding-top: 64px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-brand {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
  }

  .footer-brand span {
    color: var(--accent);
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
  }

  .footer-col h4 {
    font-size: 15px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 14px;
  }

  .footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 14px;
  }

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

  .footer-contact-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 14px;
  }

  .footer-contact-item i {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background: rgba(124, 58, 237, 0.35);
    color: #fff;
    font-style: normal;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    margin-top: 3px;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 0;
    font-size: 13px;
    flex-wrap: wrap;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .main-nav-inner {
      gap: 16px;
    }

    .hero-grid {
      grid-template-columns: 1fr;
      gap: 44px;
    }

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

    .hero-visual {
      min-height: 320px;
    }

    .case-main-grid {
      grid-template-columns: 1fr;
    }

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

    .cta-big-card {
      grid-template-columns: 1fr;
      gap: 36px;
    }

    .faq-wrap {
      grid-template-columns: 1fr;
    }

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

    .step-card:last-child {
      grid-column: 1 / -1;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }

    .topbar-contact {
      display: none;
    }
  }

  @media (max-width: 768px) {
    .topbar-links {
      gap: 16px;
      font-size: 13px;
    }

    .main-nav-inner {
      height: auto;
      min-height: 66px;
      flex-wrap: wrap;
      padding-top: 10px;
      padding-bottom: 10px;
      row-gap: 12px;
    }

    .nav-search-wrap {
      order: 3;
      min-width: 100%;
    }

    .nav-search {
      max-width: 100%;
    }

    .nav-actions {
      margin-left: auto;
    }

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

    .nav-links {
      display: none;
    }

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

    .trust-card {
      grid-template-columns: 1fr 1fr;
    }

    .trust-item + .trust-item {
      border-left: none;
    }

    .trust-item:nth-child(3) {
      border-left: none;
    }

    .trust-item {
      flex: 1 1 42%;
    }

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

    .step-card:last-child {
      grid-column: auto;
    }

    .case-main-grid {
      grid-template-columns: 1fr;
    }

    .case-side-list {
      grid-template-columns: 1fr;
    }

    .cases-area {
      padding: 24px;
    }

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

    .form-grid {
      grid-template-columns: 1fr;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 26px;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .trust-value {
      font-size: 26px;
    }

    .trust-item {
      flex: 1 1 100%;
    }

    .hero-visual img,
    .hero-visual {
      min-height: 260px;
    }

    .float-proof {
      padding: 10px 12px;
    }

    .float-proof strong {
      font-size: 18px;
    }

    .proof-top {
      right: 6px;
      top: 14px;
    }

    .proof-bottom {
      left: 6px;
      bottom: 74px;
    }

    .visual-foot-rating {
      left: 12px;
      right: 12px;
      bottom: 12px;
      flex-wrap: wrap;
    }

    .visual-rating-item {
      font-size: 12px;
      padding: 8px;
    }

    .section-head {
      flex-direction: column;
      align-items: flex-start;
    }

    .news-area-actions {
      flex-wrap: wrap;
    }
  }

/* roulang page: article */
:root {
    --brand: #7C3AED;
    --brand-dark: #5B21B6;
    --brand-deep: #4C1D95;
    --accent: #F97316;
    --accent-dark: #EA580C;
    --brand-light: #F1EBFE;
    --brand-soft: #C4B5FD;
    --accent-light: #FFF1E7;
    --bg: #F7F7FB;
    --card: #FFFFFF;
    --text: #1C1C28;
    --muted: #5B5B6C;
    --line: #E6E2F0;
    --grad-brand: linear-gradient(135deg, #7C3AED 0%, #6D28D9 70%, #5B21B6 100%);
    --grad-action: linear-gradient(120deg, #7C3AED 0%, #8B5CF6 45%, #F97316 130%);
    --radius-btn: 999px;
    --radius-card: 20px;
    --radius-panel: 28px;
    --shadow-card: 0 8px 24px rgba(85, 48, 145, 0.06);
    --shadow-lift: 0 16px 40px rgba(85, 48, 145, 0.12);
    --shadow-btn: 0 8px 18px rgba(124, 58, 237, 0.28);
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
  }

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

  button,
  input,
  textarea,
  select {
    font: inherit;
    border: none;
    outline: none;
    background: none;
  }

  ul,
  ol {
    list-style: none;
  }

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

  .section-block {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: #fff;
    box-shadow: 0 4px 22px rgba(85, 48, 145, 0.05);
  }

  .top-header {
    background: #F6F3FC;
    border-bottom: 1px solid #EDEAF3;
  }

  .topbar-inner {
    max-width: 1200px;
    margin-inline: auto;
    padding: 0 24px;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .topbar-links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-wrap: nowrap;
  }

  .top-link {
    display: inline-flex;
    align-items: center;
    padding: 9px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    letter-spacing: 0.02em;
  }

  .top-link:hover {
    color: var(--brand);
    background: rgba(124, 58, 237, 0.05);
  }

  .top-link.is-active {
    color: var(--brand);
    border-bottom-color: var(--brand);
    font-weight: 700;
    background: transparent;
  }

  .top-info {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .top-info i {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--accent);
    display: inline-block;
  }

  .header-main {
    background: #fff;
    border-bottom: 1px solid #EDEAF3;
  }

  .header-grid {
    max-width: 1200px;
    margin-inline: auto;
    padding: 12px 24px;
    display: grid;
    grid-template-columns: 218px minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    justify-content: flex-start;
    min-width: 0;
  }

  .brand-main {
    font-size: 22px;
    font-weight: 800;
    color: var(--brand-deep);
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  .brand-sub {
    font-size: 13px;
    font-weight: 700;
    color: var(--brand);
    background: var(--brand-light);
    border: 1px solid #E9E0FC;
    padding: 3px 9px;
    border-radius: 999px;
    line-height: 1.2;
    white-space: nowrap;
  }

  .header-search-area {
    display: flex;
    justify-content: center;
    min-width: 0;
  }

  .search-box {
    width: 100%;
    max-width: 560px;
    display: flex;
    align-items: center;
    background: #FAFAFD;
    border: 1px solid #DED9F0;
    border-radius: 999px;
    height: 46px;
    padding: 4px 4px 4px 18px;
    transition: all 0.3s ease;
  }

  .search-box:focus-within {
    border-color: var(--brand);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.10);
  }

  .search-box svg {
    width: 19px;
    height: 19px;
    color: #8A7FA9;
    flex-shrink: 0;
  }

  .search-box input {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    color: var(--text);
    padding: 0 12px;
    background: transparent;
  }

  .search-box input::placeholder {
    color: #9A93AD;
  }

  .search-btn {
    height: 36px;
    padding: 0 20px;
    border-radius: 999px;
    background: var(--grad-brand);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 5px 12px rgba(124, 58, 237, 0.22);
    transition: all 0.3s ease;
  }

  .search-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(124, 58, 237, 0.30);
  }

  .search-btn:active {
    transform: scale(0.98);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-end;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    border: 1px solid transparent;
  }

  .btn-primary {
    background: var(--grad-brand);
    color: #fff;
    box-shadow: var(--shadow-btn);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(124, 58, 237, 0.34);
  }

  .btn-primary:active {
    transform: translateY(0) scale(0.98);
  }

  .btn-line {
    background: #fff;
    border-color: var(--brand-soft);
    color: var(--brand);
  }

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

  .btn-light {
    background: #fff;
    color: var(--brand-deep);
    box-shadow: 0 10px 24px rgba(22, 16, 40, 0.14);
  }

  .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(22, 16, 40, 0.18);
  }

  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 10px 22px rgba(249, 115, 22, 0.26);
  }

  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(249, 115, 22, 0.30);
  }

  .btn:focus-visible,
  .top-link:focus-visible,
  a:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
  }

  .user-entry {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--muted);
    transition: all 0.3s ease;
  }

  .user-entry:hover {
    border-color: var(--brand);
    color: var(--brand);
    background: var(--brand-light);
  }

  .mobile-search-row {
    display: none;
    background: #fff;
    padding: 0 16px 12px;
    border-bottom: 1px solid #EDEAF3;
  }

  .mobile-search-row .search-box {
    max-width: 100%;
  }

  .article-hero {
    position: relative;
    padding: 48px 0 58px;
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.78), rgba(248, 245, 255, 0.90)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-color: #F7F3FF;
    border-bottom: 1px solid var(--line);
    overflow: hidden;
  }

  .article-hero::before {
    content: '';
    position: absolute;
    right: -140px;
    top: -140px;
    width: 360px;
    height: 360px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.14), transparent 65%);
    pointer-events: none;
  }

  .article-heading-area {
    position: relative;
    max-width: 860px;
    margin-inline: auto;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 26px;
  }

  .breadcrumb a {
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .breadcrumb a:hover {
    color: var(--brand);
  }

  .breadcrumb .crumb-sep {
    color: #B4ADC4;
    font-size: 13px;
  }

  .breadcrumb .crumb-current {
    color: #3F3853;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
  }

  .article-h1 {
    font-size: clamp(28px, 4.4vw, 42px);
    font-weight: 800;
    line-height: 1.35;
    color: var(--text);
    letter-spacing: -0.01em;
    margin-bottom: 22px;
    word-break: break-word;
  }

  .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
  }

  .meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 13px;
    line-height: 1.5;
    box-shadow: 0 2px 6px rgba(85, 48, 145, 0.04);
  }

  .meta-chip svg {
    width: 14px;
    height: 14px;
    color: var(--brand);
  }

  .meta-chip .chip-category {
    color: var(--brand-dark);
    font-weight: 600;
    background: var(--brand-light);
    border-radius: 999px;
    padding: 0 8px;
  }

  .novelty-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--accent);
    display: inline-block;
  }

  .article-paper-wrap {
    position: relative;
    max-width: 860px;
    margin-inline: auto;
    padding-bottom: clamp(3rem, 6vw, 5rem);
  }

  .article-paper {
    background: #fff;
    border-radius: var(--radius-panel);
    box-shadow: var(--shadow-card);
    margin-top: -24px;
    overflow: hidden;
    border: 1px solid rgba(230, 226, 240, 0.7);
  }

  .article-cover {
    position: relative;
    background: var(--brand-light);
  }

  .article-cover img {
    width: 100%;
    aspect-ratio: 16 / 9.4;
    object-fit: cover;
  }

  .article-body {
    padding: clamp(24px, 4.5vw, 48px) clamp(20px, 6vw, 60px);
  }

  .article-content {
    color: #2C2C38;
    font-size: 17px;
    line-height: 1.9;
  }

  .article-content p {
    margin-bottom: 24px;
  }

  .article-content h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    margin: 36px 0 18px;
    line-height: 1.45;
  }

  .article-content h3 {
    font-size: 21px;
    font-weight: 700;
    color: var(--text);
    margin: 28px 0 14px;
    line-height: 1.5;
  }

  .article-content img {
    border-radius: 18px;
    margin: 28px 0;
    box-shadow: var(--shadow-card);
  }

  .article-content blockquote {
    background: var(--brand-light);
    border-left: 4px solid var(--brand);
    border-radius: 0 16px 16px 0;
    padding: 18px 24px;
    margin: 28px 0;
    color: #3D3A52;
  }

  .article-content ul,
  .article-content ol {
    margin: 0 0 24px 4px;
    padding-left: 6px;
  }

  .article-content ul li,
  .article-content ol li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
  }

  .article-content ul li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 11px;
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--grad-brand);
  }

  .article-content a {
    color: var(--brand-dark);
    font-weight: 600;
    border-bottom: 1px solid var(--brand-soft);
  }

  .article-content a:hover {
    color: var(--brand);
    border-bottom-color: var(--brand);
  }

  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 26px 0;
    font-size: 15px;
    border-radius: 12px;
    overflow: hidden;
  }

  .article-content th,
  .article-content td {
    border: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
  }

  .article-content th {
    background: var(--brand-light);
    color: var(--brand-deep);
    font-weight: 700;
  }

  .article-divider {
    border: none;
    border-top: 1px solid #ECE9F5;
    margin: 32px 0 22px;
  }

  .article-bottom-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--muted);
  }

  .article-source {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .source-avatar {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: var(--grad-brand);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .article-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .tag-pill {
    display: inline-flex;
    align-items: center;
    background: #F7F4FC;
    border: 1px solid #E8E1F5;
    color: var(--brand-dark);
    border-radius: 999px;
    padding: 3px 12px;
    font-size: 13px;
    transition: all 0.3s ease;
  }

  .tag-pill:hover {
    background: var(--brand-light);
    border-color: var(--brand-soft);
  }

  .notfound-box {
    padding: 80px 24px;
    text-align: center;
  }

  .notfound-icon {
    width: 74px;
    height: 74px;
    margin: 0 auto 22px;
    border-radius: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-light);
    color: var(--brand);
  }

  .notfound-icon svg {
    width: 32px;
    height: 32px;
  }

  .notfound-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 10px;
  }

  .notfound-desc {
    color: var(--muted);
    max-width: 360px;
    margin: 0 auto 28px;
  }

  .related-section {
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .related-inner {
    max-width: 860px;
    margin-inline: auto;
  }

  .section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
  }

  .section-heading h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
  }

  .section-heading p {
    color: var(--muted);
    font-size: 14px;
  }

  .return-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--brand-dark);
    font-weight: 600;
    font-size: 14px;
    background: #FAFAFF;
    transition: all 0.3s ease;
  }

  .return-link:hover {
    background: var(--brand-light);
    border-color: var(--brand-soft);
    transform: translateY(-1px);
  }

  .empty-related {
    text-align: center;
    background: #FBF9FE;
    border: 1px dashed #CDBFF0;
    border-radius: 22px;
    padding: 42px 20px;
  }

  .empty-related-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: var(--brand-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--brand);
    margin-bottom: 14px;
  }

  .empty-related-icon svg {
    width: 22px;
    height: 22px;
  }

  .empty-related span {
    display: block;
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 18px;
  }

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

  .faq-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    max-width: 1060px;
    margin-inline: auto;
  }

  .faq-intro {
    padding: 22px 0;
  }

  .overline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--grad-brand);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 5px 15px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .faq-intro h2 {
    font-size: 30px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 14px;
  }

  .faq-intro p {
    color: var(--muted);
    margin-bottom: 20px;
  }

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

  .faq-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.3s ease;
  }

  .faq-card:hover {
    border-color: var(--brand-soft);
    box-shadow: var(--shadow-card);
  }

  .faq-card summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    color: var(--text);
    min-height: 58px;
    position: relative;
  }

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

  .faq-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-light);
    color: var(--brand);
    transition: all 0.3s ease;
  }

  .faq-icon svg {
    width: 13px;
    height: 13px;
    transition: transform 0.3s ease;
  }

  .faq-card[open] .faq-icon {
    background: var(--accent);
    color: #fff;
  }

  .faq-card[open] .faq-icon svg {
    transform: rotate(45deg);
  }

  .faq-answer {
    padding: 0 22px 20px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8;
  }

  .cta-band {
    padding: clamp(2rem, 5vw, 4.5rem) 0;
  }

  .cta-card {
    position: relative;
    background: var(--grad-action);
    border-radius: var(--radius-panel);
    padding: clamp(28px, 5vw, 54px);
    color: #fff;
    overflow: hidden;
    box-shadow: 0 24px 50px rgba(91, 33, 182, 0.22);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
  }

  .cta-card::before {
    content: '';
    position: absolute;
    right: -80px;
    top: -80px;
    width: 260px;
    height: 260px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
  }

  .cta-card::after {
    content: '';
    position: absolute;
    left: 30%;
    bottom: -70px;
    width: 160px;
    height: 160px;
    border-radius: 999px;
    background: rgba(249, 115, 22, 0.18);
    pointer-events: none;
  }

  .cta-card-inner {
    position: relative;
    z-index: 1;
    max-width: 620px;
  }

  .cta-card h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 12px;
  }

  .cta-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
  }

  .cta-actions {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

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

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 42px;
    padding: 54px 0 40px;
  }

  .footer-brand {
    font-size: 21px;
    font-weight: 800;
    color: var(--brand-deep);
    margin-bottom: 12px;
  }

  .footer-brand span {
    font-size: 13px;
    background: var(--brand-light);
    color: var(--brand);
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
    margin-left: 4px;
  }

  .footer-desc {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
    max-width: 300px;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text);
  }

  .footer-col a {
    display: block;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 10px;
  }

  .footer-col a:hover {
    color: var(--brand);
    transform: translateX(3px);
  }

  .footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.7;
  }

  .footer-contact-item i {
    font-style: normal;
    width: 24px;
    height: 24px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-light);
    color: var(--brand);
    font-weight: 800;
    font-size: 13px;
  }

  .footer-bottom {
    border-top: 1px solid var(--line);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 13px;
  }

  @media (max-width: 1024px) {
    .header-grid {
      grid-template-columns: 210px 1fr auto;
      gap: 16px;
    }

    .faq-layout {
      grid-template-columns: 1fr;
      gap: 8px;
    }

    .faq-intro {
      max-width: 560px;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr 1fr;
      gap: 36px;
    }
  }

  @media (max-width: 890px) {
    .header-grid {
      grid-template-columns: 1fr auto;
      gap: 14px;
      padding-top: 12px;
      padding-bottom: 0;
    }

    .header-search-area {
      display: none;
    }

    .mobile-search-row {
      display: block;
    }

    .search-box {
      max-width: 100%;
    }

    .header-actions .btn {
      display: inline-flex;
    }

    .top-info {
      display: none;
    }

    .topbar-inner {
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    .topbar-inner::-webkit-scrollbar {
      display: none;
    }

    .topbar-links {
      flex-wrap: nowrap;
      padding-bottom: 2px;
    }

    .top-link {
      font-size: 14px;
      padding: 9px 11px;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 640px) {
    .container,
    .topbar-inner,
    .header-grid {
      padding-inline: 16px;
    }

    .brand-main {
      font-size: 20px;
    }

    .brand-sub {
      display: none;
    }

    .header-actions {
      gap: 8px;
    }

    .header-actions .btn-primary {
      padding: 0 16px;
      font-size: 13px;
    }

    .user-entry {
      width: 38px;
      height: 38px;
    }

    .mobile-search-row {
      padding-inline: 16px;
    }

    .article-hero {
      padding: 34px 0 44px;
    }

    .breadcrumb {
      font-size: 13px;
      gap: 6px;
      margin-bottom: 18px;
    }

    .article-meta {
      gap: 8px;
    }

    .article-paper {
      border-radius: 20px;
    }

    .article-body {
      padding: 24px 20px;
    }

    .article-content {
      font-size: 16px;
      line-height: 1.85;
    }

    .section-heading {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .faq-grid {
      grid-template-columns: 1fr;
    }

    .cta-card {
      flex-direction: column;
      align-items: flex-start;
    }

    .cta-actions {
      width: 100%;
    }

    .cta-actions .btn {
      flex: 1;
      justify-content: center;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 26px;
      padding-top: 40px;
      padding-bottom: 24px;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (max-width: 400px) {
    .header-actions .btn-primary {
      display: none;
    }

    .search-box {
      height: 44px;
    }

    .search-btn {
      padding: 0 16px;
    }
  }

/* roulang page: category1 */
:root{
      --brand:#7C3AED;
      --brand-deep:#5B21B6;
      --brand-normal:#6D28D9;
      --brand-light:#F1EBFE;
      --accent:#F97316;
      --accent-light:#FFF1E7;
      --bg:#F7F7FB;
      --card:#FFFFFF;
      --text:#1C1C28;
      --soft:#5B5B6C;
      --line:#E6E2F0;
      --gradient:linear-gradient(135deg,#7C3AED 0%,#6D28D9 70%,#5B21B6 100%);
      --gradient-cta:linear-gradient(120deg,#7C3AED 0%,#8B5CF6 45%,#F97316 130%);
      --radius-btn:999px;
      --radius-card:20px;
      --radius-panel:28px;
      --shadow-card:0 8px 24px rgba(85,48,145,0.06);
      --shadow-hover:0 16px 40px rgba(85,48,145,0.12);
    }

    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    html{scroll-behavior:smooth;}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
      background:var(--bg);
      color:var(--text);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    img{max-width:100%;display:block;height:auto;}
    a{color:inherit;text-decoration:none;}
    ul,ol{list-style:none;}
    button,input,select,textarea{font-family:inherit;font-size:inherit;}
    ::placeholder{color:#A6A2B8;}

    .container{
      width:100%;
      max-width:1200px;
      margin:0 auto;
      padding-left:24px;
      padding-right:24px;
    }

    .skip-link{
      position:absolute;
      left:-999px;
      top:8px;
      z-index:100;
      background:#fff;
      padding:8px 16px;
      border-radius:999px;
      font-weight:600;
    }
    .skip-link:focus{left:12px;color:var(--brand-deep);}

    .section{padding:clamp(3rem,7vw,5.5rem) 0;}
    .section-light{background:var(--bg);}
    .section-white{background:#fff;}

    /* ===== 按钮 ===== */
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:46px;
      padding:0 26px;
      border-radius:var(--radius-btn);
      font-size:15px;
      font-weight:600;
      line-height:1;
      border:1px solid transparent;
      cursor:pointer;
      transition:all .3s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px);}
    .btn:active{transform:scale(.98);}
    .btn:focus-visible{outline:3px solid var(--brand);outline-offset:2px;}
    .btn-primary{
      background:var(--gradient);
      color:#fff;
      box-shadow:0 8px 18px rgba(124,58,237,.26);
    }
    .btn-primary:hover{box-shadow:0 12px 26px rgba(124,58,237,.32);}
    .btn-outline{
      background:#fff;
      color:var(--brand-deep);
      border-color:#C9B8EC;
    }
    .btn-outline:hover{border-color:var(--brand);background:var(--brand-light);}
    .btn-accent{
      background:var(--gradient-cta);
      color:#fff;
      box-shadow:0 8px 20px rgba(124,58,237,.24);
    }
    .btn-accent:hover{filter:saturate(1.08) brightness(1.03);box-shadow:0 12px 30px rgba(124,58,237,.30);}

    /* ===== 导航 ===== */
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:#fff;
      box-shadow:0 6px 22px rgba(42,24,84,.05);
    }
    .topbar{
      background:#fff;
      border-bottom:1px solid #EDEAF3;
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:46px;
      gap:16px;
    }
    .topbar-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
    .top-link{
      position:relative;
      padding:6px 2px 10px;
      margin-right:18px;
      font-size:14px;
      color:var(--soft);
      font-weight:500;
      transition:color .2s ease;
    }
    .top-link:hover{color:var(--brand);}
    .top-link.is-active{color:var(--brand-deep);font-weight:700;}
    .top-link.is-active::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;
      height:3px;
      border-radius:3px 3px 0 0;
      background:linear-gradient(90deg,var(--brand),var(--accent));
    }
    .topbar-note{
      display:flex;
      align-items:center;
      gap:8px;
      font-size:14px;
      color:var(--soft);
    }
    .topbar-note .dot{
      width:8px;height:8px;border-radius:50%;
      background:#22C55E;
      box-shadow:0 0 0 4px rgba(34,197,94,.14);
    }

    .header-main{
      display:flex;
      align-items:center;
      gap:20px;
      padding:14px 0;
    }
    .header-logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }
    .logo-ball{
      width:42px;height:42px;
      border-radius:14px;
      background:var(--gradient);
      color:#fff;
      font-weight:800;
      display:flex;align-items:center;justify-content:center;
      font-size:20px;
      box-shadow:0 6px 16px rgba(124,58,237,.28);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.15;}
    .logo-text strong{font-size:20px;font-weight:800;color:var(--text);}
    .logo-text small{font-size:12px;color:var(--brand-deep);letter-spacing:2px;font-weight:600;}

    .search-form{
      flex:1;
      max-width:560px;
      margin:0 auto;
      display:flex;
      align-items:center;
      height:46px;
      background:#fff;
      border:1px solid #D8CFEA;
      border-radius:999px;
      padding:0 6px 0 16px;
      transition:border-color .25s ease,box-shadow .25s ease;
    }
    .search-form:focus-within{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
    }
    .search-form svg{flex-shrink:0;color:#8E86A8;}
    .search-form input{
      flex:1;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      padding:0 12px;
      font-size:15px;
      color:var(--text);
    }
    .search-form button{
      height:34px;
      padding:0 18px;
      border-radius:999px;
      border:0;
      background:var(--gradient);
      color:#fff;
      font-size:14px;
      font-weight:600;
      cursor:pointer;
      transition:filter .2s ease;
    }
    .search-form button:hover{filter:brightness(1.08);}

    .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
    .header-cta{height:40px;padding:0 20px;font-size:14px;}
    .icon-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:40px;height:40px;
      border-radius:50%;
      border:1px solid var(--line);
      color:var(--soft);
      background:#fff;
      transition:all .2s ease;
    }
    .icon-btn:hover{border-color:var(--brand);color:var(--brand);}
    .header-burger{
      display:none;
      width:40px;height:40px;
      border-radius:12px;
      border:1px solid var(--line);
      background:#fff;
      align-items:center;
      justify-content:center;
      color:var(--text);
      cursor:pointer;
    }

    .mobile-panel{
      display:none;
      background:#fff;
      border-top:1px solid var(--line);
      padding:20px 24px 24px;
    }
    .mobile-panel.is-open{display:block;}
    .mobile-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
    .mobile-links a{
      padding:12px 10px;
      border-radius:12px;
      font-size:16px;
      font-weight:600;
      color:var(--soft);
    }
    .mobile-links a:hover{background:var(--brand-light);color:var(--brand);}
    .mobile-links a.is-active{background:var(--brand-light);color:var(--brand-deep);}
    .mobile-panel .btn{width:100%;}

    @media (max-width: 992px){
      .topbar-note{display:none;}
    }
    @media (max-width: 768px){
      .topbar{display:none;}
      .header-main{flex-wrap:wrap;row-gap:12px;}
      .search-form{order:3;flex:0 0 100%;max-width:100%;margin:0;}
      .header-burger{display:inline-flex;}
      .header-cta{font-size:14px;padding:0 18px;}
    }
    @media (min-width: 769px){
      .mobile-panel{display:none !important;}
    }

    /* ===== Hero ===== */
    .hero-page{
      position:relative;
      overflow:hidden;
      padding-top:clamp(2rem,5vw,4.5rem);
      padding-bottom:clamp(2.5rem,5vw,4rem);
      background:
        radial-gradient(circle at 85% 10%,rgba(124,58,237,.10),transparent 30%),
        radial-gradient(circle at 20% 80%,rgba(249,115,22,.08),transparent 24%),
        linear-gradient(180deg,#FBF9FF 0%,#FFFFFF 100%);
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      margin-bottom:20px;
      font-size:14px;
      color:var(--muted,#8D8A9C);
    }
    .breadcrumb a{color:var(--soft);}
    .breadcrumb a:hover{color:var(--brand);}
    .breadcrumb span{color:#B0ABC0;}

    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:64px;
      align-items:center;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      padding:6px 14px;
      background:var(--brand-light);
      color:var(--brand-deep);
      border-radius:999px;
      font-size:13px;
      font-weight:600;
    }
    .hero-kicker::before{
      content:"";
      width:6px;height:6px;
      border-radius:50%;
      background:var(--accent);
    }
    .hero-title{
      font-size:clamp(2rem,4vw,3rem);
      font-weight:800;
      line-height:1.25;
      letter-spacing:-.02em;
      color:var(--text);
    }
    .hero-title .brand-mark{
      background:linear-gradient(110deg,var(--brand),var(--brand-deep));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      margin-top:18px;
      font-size:17px;
      color:var(--soft);
      max-width:520px;
    }
    .hero-points{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px 18px;
      margin-top:26px;
    }
    .hero-points li{
      display:flex;
      align-items:center;
      gap:9px;
      font-size:15px;
      color:var(--text);
    }
    .hero-points i{
      width:20px;height:20px;
      flex-shrink:0;
      border-radius:50%;
      background:var(--brand-light);
      color:var(--brand);
      font-style:normal;
      font-size:12px;
      font-weight:700;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .hero-btns{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}

    .hero-visual{position:relative;}
    .hero-frame{
      position:relative;
      aspect-ratio:4/3;
      border-radius:var(--radius-panel);
      overflow:hidden;
      background:var(--gradient);
      box-shadow:0 24px 60px rgba(91,33,182,.18);
    }
    .hero-frame img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .hero-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(124,58,237,.04),rgba(255,255,255,.28));
    }
    .hero-float{
      position:absolute;
      z-index:2;
      background:rgba(255,255,255,.95);
      border-radius:16px;
      padding:10px 16px;
      box-shadow:0 10px 30px rgba(85,48,145,.18);
      backdrop-filter:blur(6px);
    }
    .hero-float small{
      display:block;
      font-size:12px;
      color:var(--soft);
    }
    .hero-float strong{
      font-size:17px;
      color:var(--brand-deep);
      font-weight:800;
    }
    .hero-float-one{top:18px;left:-24px;}
    .hero-float-two{bottom:26px;right:-12px;}
    @media (max-width:992px){
      .hero-float-one{left:6px;}
      .hero-float-two{right:6px;}
    }
    @media (max-width:900px){
      .hero-grid{grid-template-columns:1fr;gap:38px;}
      .hero-visual{max-width:620px;}
    }

    /* ===== 数据条 ===== */
    .metric-band{
      background:#fff;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      padding:20px 0;
    }
    .metric{
      text-align:center;
      padding:20px 14px;
      position:relative;
    }
    .metric + .metric::before{
      content:"";
      position:absolute;
      left:0;top:18%;height:64%;
      width:1px;
      background:var(--line);
    }
    .metric-value{
      display:flex;
      align-items:baseline;
      justify-content:center;
      gap:6px;
      font-variant-numeric:tabular-nums;
      background:linear-gradient(120deg,var(--brand),#8B5CF6 55%,var(--accent));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      font-size:38px;
      font-weight:800;
      line-height:1.1;
    }
    .metric-value .unit{font-size:22px;}
    .metric p{margin-top:8px;color:var(--soft);font-size:15px;}
    @media (max-width:680px){
      .metric-grid{grid-template-columns:1fr 1fr;gap:8px;}
      .metric:nth-child(3)::before{display:none;}
      .metric:nth-child(n+3){border-top:1px solid var(--line);}
    }

    /* ===== 通用分区标题 ===== */
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:36px;
    }
    .title-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 14px;
      border-radius:999px;
      background:var(--gradient);
      color:#fff;
      font-size:12px;
      font-weight:600;
      letter-spacing:.08em;
      margin-bottom:14px;
    }
    .section-title{
      font-size:clamp(1.6rem,3.2vw,2.2rem);
      font-weight:800;
      letter-spacing:-.01em;
      line-height:1.35;
    }
    .section-desc{
      color:var(--soft);
      margin-top:10px;
      max-width:600px;
    }
    .section-aside{color:var(--soft);font-size:15px;flex-shrink:0;}
    @media (max-width:768px){
      .section-head{flex-direction:column;align-items:flex-start;}
    }

    /* ===== 卡片基础 ===== */
    .card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      box-shadow:var(--shadow-card);
      transition:all .3s ease;
    }
    .card:hover{
      border-color:#DCCFF2;
      box-shadow:var(--shadow-hover);
      transform:translateY(-2px);
    }

    /* ===== 合作模式 ===== */
    .model-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .model-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      box-shadow:var(--shadow-card);
      padding:28px;
      transition:all .3s ease;
      position:relative;
    }
    .model-card:hover{
      border-color:#DCCFF2;
      box-shadow:var(--shadow-hover);
      transform:translateY(-3px);
    }
    .model-card-wide{grid-column:1/-1;padding:0;display:block;}
    .model-wide-inner{
      display:grid;
      grid-template-columns:.9fr 1.4fr;
      align-items:stretch;
    }
    .model-img{
      position:relative;
      min-height:100%;
      overflow:hidden;
      border-radius:calc(var(--radius-card) - 1px) 0 0 calc(var(--radius-card) - 1px);
    }
    .model-img img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .model-card-body{padding:30px;}
    .model-tag{
      display:inline-block;
      background:var(--brand-light);
      color:var(--brand-deep);
      font-size:12px;
      font-weight:700;
      border-radius:8px;
      padding:4px 10px;
      margin-bottom:14px;
    }
    .model-card h3{
      font-size:22px;
      font-weight:800;
      margin-bottom:12px;
    }
    .model-card p{color:var(--soft);font-size:15px;}
    .model-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 14px;
    }
    .model-list li{
      border:1px solid var(--line);
      background:#FBFAFF;
      color:var(--text);
      border-radius:10px;
      padding:5px 12px;
      font-size:13px;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--brand-deep);
      font-weight:600;
      font-size:15px;
    }
    .text-link:hover{color:var(--accent);gap:9px;transition:all .2s;}
    .mini-bar{
      background:var(--accent-light);
      color:#9A3412;
      border-radius:12px;
      padding:10px 14px;
      font-size:14px;
      margin-top:18px;
    }
    @media (max-width:1024px){
      .model-grid{grid-template-columns:1fr;}
      .model-card-wide{grid-column:auto;}
      .model-wide-inner{grid-template-columns:1fr;}
      .model-img{min-height:220px;border-radius:calc(var(--radius-card) - 1px) calc(var(--radius-card) - 1px) 0 0;}
    }
    @media (max-width:560px){
      .model-card{padding:22px;}
    }

    /* ===== 适用渠道 ===== */
    .scene-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:20px;
    }
    .scene-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      padding:24px 20px;
      box-shadow:var(--shadow-card);
      transition:all .3s ease;
      position:relative;
    }
    .scene-item:hover{
      box-shadow:var(--shadow-hover);
      border-color:#D4C5F0;
      transform:translateY(-3px);
    }
    .scene-icon{
      width:46px;
      height:46px;
      border-radius:14px;
      background:var(--gradient);
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      margin-bottom:16px;
      box-shadow:0 6px 16px rgba(124,58,237,.24);
    }
    .scene-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
    .scene-item p{font-size:14px;color:var(--soft);}
    @media (max-width:992px){
      .scene-grid{grid-template-columns:1fr 1fr;}
    }
    @media (max-width:520px){
      .scene-grid{grid-template-columns:1fr;}
    }

    /* ===== 接入流程 ===== */
    .process-section{
      background:linear-gradient(180deg,var(--bg) 0%,#EDE6FB 100%);
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:24px;
    }
    .process-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      padding:28px 22px;
      box-shadow:var(--shadow-card);
      transition:all .3s ease;
      position:relative;
    }
    .process-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
    .process-num{
      width:46px;
      height:46px;
      border-radius:50%;
      background:var(--gradient);
      color:#fff;
      font-size:17px;
      font-weight:800;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:18px;
      box-shadow:0 6px 16px rgba(124,58,237,.26);
    }
    .process-item h3{font-size:19px;font-weight:800;margin-bottom:10px;}
    .process-item p{font-size:15px;color:var(--soft);}
    .process-tip{
      margin-top:16px;
      display:inline-block;
      font-size:13px;
      color:var(--brand-deep);
      background:var(--brand-light);
      padding:4px 10px;
      border-radius:8px;
    }
    @media (max-width:992px){
      .process-grid{grid-template-columns:1fr 1fr;}
    }
    @media (max-width:560px){
      .process-grid{grid-template-columns:1fr;}
    }

    /* ===== 资源支持 ===== */
    .resource-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-panel);
      box-shadow:var(--shadow-card);
      padding:0;
      overflow:hidden;
    }
    .resource-inner{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:0;
    }
    .resource-col{
      padding:34px;
    }
    .resource-col + .resource-col{
      border-left:1px solid var(--line);
      background:#FBFAFF;
    }
    .resource-col h3{
      font-size:20px;
      font-weight:800;
      margin-bottom:22px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .resource-col h3 i{
      width:24px;height:24px;
      border-radius:8px;
      background:var(--brand-light);
      color:var(--brand-deep);
      font-style:normal;
      font-size:13px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }
    .check-list{display:flex;flex-direction:column;gap:14px;}
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--soft);
      font-size:15px;
    }
    .check-list li::before{
      content:"✓";
      flex-shrink:0;
      width:20px;height:20px;
      border-radius:50%;
      background:var(--brand-light);
      color:var(--brand);
      font-weight:700;
      font-size:12px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-top:4px;
    }
    .support-chips{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:12px;
    }
    .support-chip{
      background:#fff;
      border:1px solid #D8CCEE;
      border-radius:12px;
      padding:10px 14px;
      font-size:14px;
      font-weight:600;
      color:var(--brand-deep);
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    @media (max-width:900px){
      .resource-inner{grid-template-columns:1fr;}
      .resource-col + .resource-col{border-top:1px solid var(--line);border-left:0;}
    }
    @media (max-width:520px){
      .resource-col{padding:24px;}
    }

    /* ===== FAQ ===== */
    .faq-section{background:#fff;}
    .faq-wrap{
      display:grid;
      grid-template-columns:300px 1fr;
      gap:34px;
      align-items:start;
    }
    .faq-aside{
      background:var(--bg);
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      padding:28px 24px;
      position:sticky;
      top:120px;
    }
    .faq-aside h2{
      font-size:22px;
      font-weight:800;
      margin:14px 0 10px;
    }
    .faq-aside p{color:var(--soft);font-size:15px;margin-bottom:18px;}
    .faq-list{display:flex;flex-direction:column;gap:14px;}
    .faq-item{
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      overflow:hidden;
      transition:border-color .3s ease;
    }
    .faq-item.open{border-color:#D4C5F0;box-shadow:var(--shadow-card);}
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      background:transparent;
      border:0;
      cursor:pointer;
      text-align:left;
      font-size:16px;
      font-weight:600;
      color:var(--text);
    }
    .faq-q .faq-icon{
      width:28px;height:28px;
      border-radius:50%;
      border:1px solid var(--line);
      color:var(--brand);
      display:flex;
      align-items:center;
      justify-content:center;
      font-style:normal;
      font-size:18px;
      font-weight:400;
      transition:all .3s ease;
      flex-shrink:0;
    }
    .faq-item.open .faq-icon{
      transform:rotate(45deg);
      background:var(--accent);
      border-color:var(--accent);
      color:#fff;
    }
    .faq-a{
      display:none;
      padding:0 20px 20px;
      color:var(--soft);
      font-size:15px;
      line-height:1.75;
    }
    .faq-item.open .faq-a{display:block;animation:faqDown .25s ease;}
    @keyframes faqDown{
      from{opacity:0;transform:translateY(-6px);}
      to{opacity:1;transform:translateY(0);}
    }
    @media (max-width:900px){
      .faq-wrap{grid-template-columns:1fr;}
      .faq-aside{position:static;}
    }

    /* ===== CTA ===== */
    .cta-panel{
      position:relative;
      background:var(--gradient);
      border-radius:var(--radius-panel);
      padding:clamp(24px,5vw,52px);
      color:#fff;
      overflow:hidden;
      box-shadow:0 24px 70px rgba(76,29,149,.32);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      width:200px;height:200px;
      border-radius:50%;
      background:rgba(255,255,255,.08);
      top:-70px;right:-40px;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:90px;height:90px;
      border-radius:50%;
      background:var(--accent);
      top:22px;right:34px;
      box-shadow:0 0 0 14px rgba(255,255,255,.14);
    }
    .cta-grid{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:46px;
      align-items:center;
    }
    .cta-copy .title-pill{
      background:rgba(255,255,255,.16);
      color:#fff;
    }
    .cta-copy h2{
      font-size:clamp(1.9rem,3.8vw,2.6rem);
      font-weight:800;
      line-height:1.35;
      margin:16px 0;
    }
    .cta-copy p{
      color:rgba(255,255,255,.86);
      font-size:16px;
      max-width:400px;
    }
    .cta-form{
      background:#fff;
      border-radius:22px;
      padding:30px;
      color:var(--text);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
    .field label{font-size:14px;font-weight:600;color:var(--text);}
    .cta-form input,
    .cta-form select,
    .cta-form textarea{
      width:100%;
      border:1px solid #D9D2E9;
      border-radius:12px;
      padding:11px 14px;
      font-size:15px;
      color:var(--text);
      background:#FBFAFF;
      outline:0;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(124,58,237,.10);
    }
    .field textarea{min-height:86px;resize:vertical;}
    .cta-form .btn-submit{
      width:100%;
      margin-top:8px;
      font-size:16px;
      height:52px;
    }
    .form-success{
      background:#F0FDF4;
      border:1px solid #BBF7D0;
      color:#166534;
      border-radius:16px;
      padding:28px;
      text-align:center;
      font-weight:600;
    }
    @media (max-width:900px){
      .cta-grid{grid-template-columns:1fr;gap:28px;}
      .form-grid{grid-template-columns:1fr;}
    }
    @media (max-width:520px){
      .cta-form{padding:20px;}
    }

    /* ===== 页脚 ===== */
    .site-footer{
      background:linear-gradient(135deg,#2E1065 0%,#4C1D95 50%,#5B21B6 100%);
      color:#fff;
      margin-top:0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.6fr 1fr 1.1fr 1.3fr;
      gap:44px;
      padding:60px 0 46px;
    }
    .footer-brand{
      font-size:24px;
      font-weight:800;
      color:#fff;
      display:flex;
      align-items:baseline;
      gap:6px;
    }
    .footer-brand span{
      font-size:14px;
      font-weight:600;
      color:#FFD7C1;
      letter-spacing:2px;
    }
    .footer-desc{
      margin-top:12px;
      color:rgba(255,255,255,.72);
      font-size:14px;
      max-width:300px;
    }
    .footer-col h4{
      font-size:16px;
      font-weight:700;
      color:#fff;
      margin-bottom:18px;
    }
    .footer-col a{
      display:block;
      color:rgba(255,255,255,.70);
      font-size:14px;
      padding:6px 0;
      transition:color .2s ease,padding-left .2s ease;
    }
    .footer-col a:hover{color:#fff;padding-left:4px;}
    .footer-contact-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      font-size:14px;
      color:rgba(255,255,255,.78);
      margin-bottom:12px;
      word-break:break-all;
    }
    .footer-contact-item i{
      width:26px;height:26px;
      border-radius:8px;
      background:rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      justify-content:center;
      font-style:normal;
      font-size:13px;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      border-top:1px solid rgba(255,255,255,.14);
      padding:20px 0;
      color:rgba(255,255,255,.62);
      font-size:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
    }
    @media (max-width:560px){
      .footer-grid{grid-template-columns:1fr;padding:44px 0 32px;}
      .footer-bottom{flex-direction:column;text-align:center;}
    }

/* roulang page: category2 */
:root {
      --brand: #7C3AED;
      --brand-dark: #5B21B6;
      --brand-light: #F1EBFE;
      --ember: #F97316;
      --ember-light: #FFF1E7;
      --page-bg: #F7F7FB;
      --card-bg: #FFFFFF;
      --text-main: #1C1C28;
      --text-sub: #5B5B6C;
      --border-light: #E6E2F0;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
      --radius-btn: 999px;
      --radius-card: 20px;
      --radius-panel: 28px;
      --shadow-card: 0 8px 24px rgba(85, 48, 145, 0.06);
      --shadow-hover: 0 16px 40px rgba(85, 48, 145, 0.12);
      --shadow-cta: 0 8px 18px rgba(124, 58, 237, 0.28);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--page-bg);
      color: var(--text-main);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    img,
    svg {
      display: block;
      max-width: 100%;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    button,
    input,
    textarea,
    select {
      font-family: inherit;
      font-size: inherit;
    }
    .container {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    @media (max-width: 640px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }
    .gradient-brand {
      background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 70%, #5B21B6 100%);
    }
    .gradient-action {
      background: linear-gradient(120deg, #7C3AED 0%, #8B5CF6 45%, #F97316 130%);
    }
    .text-gradient-brand {
      background: linear-gradient(90deg, #7C3AED, #6D28D9);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      border-radius: 999px;
      font-weight: 600;
      padding: 10px 22px;
      transition: all .3s ease;
      border: 1px solid transparent;
      cursor: pointer;
      line-height: 1.4;
    }
    .btn-primary {
      background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
      color: #fff;
      box-shadow: var(--shadow-cta);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 24px rgba(124, 58, 237, .35);
    }
    .btn-outline {
      background: #fff;
      border-color: #CBB7F4;
      color: #6D28D9;
    }
    .btn-outline:hover {
      border-color: #7C3AED;
      background: #F7F3FF;
      transform: translateY(-2px);
    }
    .btn-ember {
      background: #F97316;
      color: #fff;
      box-shadow: 0 8px 18px rgba(249, 115, 22, .25);
    }
    .btn-ember:hover {
      background: #EA580C;
      transform: translateY(-2px);
    }
    .btn:focus-visible {
      outline: 2px solid #7C3AED;
      outline-offset: 2px;
    }
    .btn:active {
      transform: scale(.98);
    }
    .chip {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      background: #F1EBFE;
      color: #6D28D9;
    }
    .chip-ember {
      background: #FFF1E7;
      color: #C2410C;
    }
    .overline {
      display: inline-block;
      background: linear-gradient(135deg, #7C3AED, #6D28D9);
      color: #fff;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .04em;
      padding: 5px 14px;
      margin-bottom: 16px;
    }
    .section-padding {
      padding-top: clamp(3rem, 7vw, 5.5rem);
      padding-bottom: clamp(3rem, 7vw, 5.5rem);
    }

    /* Header */
    .site-topbar {
      background: #ffffff;
      border-bottom: 1px solid #EFEAF6;
      font-size: 14px;
    }
    .topbar-links {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      align-items: center;
    }
    .top-link {
      padding: 10px 0;
      font-weight: 500;
      color: #5B5B6C;
      position: relative;
      transition: color .2s;
      white-space: nowrap;
    }
    .top-link:hover {
      color: #7C3AED;
    }
    .top-link.is-active {
      color: #7C3AED;
      font-weight: 600;
    }
    .top-link.is-active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 3px;
      border-radius: 3px 3px 0 0;
      background: #7C3AED;
    }
    .mainnav {
      background: #fff;
      border-bottom: 1px solid #EDEAF3;
      position: sticky;
      top: 0;
      z-index: 50;
    }
    .mainnav-inner {
      display: flex;
      align-items: center;
      gap: 18px;
      min-height: 68px;
    }
    .brand-logo {
      display: flex;
      align-items: baseline;
      gap: 2px;
      font-size: 20px;
      font-weight: 800;
      color: #5B21B6;
      white-space: nowrap;
    }
    .brand-logo span {
      font-size: 13px;
      font-weight: 500;
      color: #F97316;
    }
    .nav-search {
      flex: 1;
      display: flex;
      align-items: center;
      background: #F9F8FD;
      border: 1px solid #E0D9EF;
      border-radius: 999px;
      padding: 4px 4px 4px 16px;
      max-width: 460px;
      height: 44px;
      transition: border .2s, box-shadow .2s;
    }
    .nav-search:focus-within {
      border-color: #A78BFA;
      box-shadow: 0 0 0 4px rgba(124, 58, 237, .08);
      background: #fff;
    }
    .nav-search svg {
      flex-shrink: 0;
      color: #7C3AED;
    }
    .nav-search input {
      flex: 1;
      border: 0;
      outline: 0;
      background: transparent;
      padding: 0 10px;
      font-size: 15px;
      color: #1C1C28;
    }
    .nav-search input::placeholder {
      color: #9A95B0;
    }
    .nav-search button {
      border: 0;
      background: linear-gradient(120deg, #7C3AED, #6D28D9);
      color: #fff;
      border-radius: 999px;
      padding: 0 20px;
      height: 36px;
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      transition: filter .2s;
    }
    .nav-search button:hover {
      filter: brightness(1.08);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-cta {
      padding: 8px 20px;
    }
    .nav-icon-btn {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #F1EBFE;
      color: #5B21B6;
      transition: background .2s;
    }
    .nav-icon-btn:hover {
      background: #E4D9FC;
    }
    .hamburger {
      display: none;
      background: none;
      border: 0;
      font-size: 26px;
      color: #5B21B6;
      cursor: pointer;
      width: 40px;
      height: 40px;
    }

    .search-mobile-row {
      display: none;
      padding: 10px 16px;
      background: #fff;
      border-bottom: 1px solid #EDEAF3;
    }
    .search-mobile-row .nav-search {
      max-width: none;
      width: 100%;
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      right: 0;
      width: 280px;
      height: 100vh;
      background: #fff;
      z-index: 100;
      padding: 28px 24px;
      box-shadow: -20px 0 50px rgba(45, 20, 80, .15);
      transform: translateX(100%);
      transition: transform .3s ease;
    }
    .mobile-drawer.open {
      transform: translateX(0);
    }
    .mobile-drawer .drawer-close {
      font-size: 28px;
      line-height: 1;
      background: none;
      border: 0;
      cursor: pointer;
      color: #5B21B6;
      display: block;
      margin-left: auto;
      margin-bottom: 16px;
    }
    .mobile-drawer a {
      display: block;
      padding: 13px 0;
      border-bottom: 1px solid #F2EFF9;
      font-weight: 500;
      color: #1C1C28;
      font-size: 16px;
    }
    .mobile-drawer a.is-active {
      color: #7C3AED;
      font-weight: 600;
    }
    .drawer-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(34, 20, 60, .4);
      z-index: 90;
    }
    .drawer-overlay.show {
      display: block;
    }

    @media (max-width: 768px) {
      .mainnav-inner {
        min-height: 60px;
        gap: 10px;
      }
      .nav-search {
        display: none;
      }
      .search-mobile-row {
        display: block;
        padding-bottom: 10px;
      }
      .topbar-links,
      .nav-icon-btn,
      .nav-cta {
        display: none;
      }
      .hamburger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      .mobile-drawer {
        display: block;
      }
      .brand-logo {
        font-size: 18px;
      }
    }

    /* Hero */
    .cat-hero {
      position: relative;
      overflow: hidden;
      background: linear-gradient(120deg, #F7F0FF 0%, #F2F7FF 100%);
      padding: 72px 0 48px;
    }
    .cat-hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.png');
      background-size: cover;
      background-position: center;
      opacity: .26;
      mix-blend-mode: multiply;
    }
    .cat-hero-inner {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 32px;
      align-items: center;
      flex-wrap: wrap;
    }
    .cat-hero-content {
      flex: 1 1 380px;
    }
    .cat-hero .page-title {
      font-size: clamp(2rem, 5vw, 3.15rem);
      font-weight: 800;
      color: #2A1739;
      line-height: 1.2;
      margin-bottom: 16px;
    }
    .cat-hero .page-subtitle {
      font-size: 17px;
      color: #5B5B6C;
      max-width: 470px;
      margin-bottom: 24px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      list-style: none;
    }
    .hero-tags li {
      background: rgba(255,255,255,.85);
      border: 1px solid #E1D7F2;
      color: #5B21B6;
      padding: 5px 14px;
      border-radius: 999px;
      font-size: 13px;
    }
    .cat-hero-visual {
      flex: 0 1 340px;
      margin-left: auto;
    }
    .round-panel {
      border-radius: 28px;
      overflow: hidden;
      box-shadow: 0 20px 48px rgba(80, 45, 130, .18);
    }

    /* Pills / Nav tabs */
    .pills-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }
    .pill-link {
      display: inline-block;
      padding: 8px 18px;
      border-radius: 999px;
      background: #F0F0F6;
      color: #5B5B6C;
      font-size: 14px;
      font-weight: 500;
      transition: all .25s;
    }
    .pill-link:hover {
      background: #E6DFF5;
      color: #7C3AED;
    }
    .pill-link.is-active {
      background: #7C3AED;
      color: #fff;
      box-shadow: var(--shadow-cta);
    }

    /* Section headers */
    .section-heading {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      gap: 16px;
      margin-bottom: 24px;
    }
    .section-heading .stitle {
      font-size: 1.8rem;
      font-weight: 800;
      line-height: 1.25;
      color: #241331;
    }
    .section-heading .sdesc {
      color: #5B5B6C;
      font-size: 15px;
      margin-top: 4px;
    }

    /* News main */
    .news-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 24px;
    }
    @media (max-width: 1024px) {
      .news-layout {
        grid-template-columns: 1fr;
      }
    }
    .focus-card {
      background: #fff;
      border-radius: 20px;
      border: 1px solid #EEEAFA;
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: transform .3s, box-shadow .3s;
      display: flex;
      flex-direction: column;
    }
    .focus-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .focus-card .focus-cover {
      aspect-ratio: 16/9;
      background: #E9E4F5;
      position: relative;
      overflow: hidden;
    }
    .focus-card .focus-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .focus-card .focus-body {
      padding: 20px 22px 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }
    .focus-card .focus-body h3 {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.5;
    }
    .focus-card .focus-body p {
      color: #5B5B6C;
      font-size: 15px;
      flex: 1;
    }
    .article-link {
      color: #6D28D9;
      font-weight: 600;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .article-link:hover {
      color: #7C3AED;
    }
    .article-link svg {
      transition: transform .2s;
    }
    .article-link:hover svg {
      transform: translateX(4px);
    }

    .list-col {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-item {
      background: #fff;
      border-radius: 16px;
      border: 1px solid #EEEAFA;
      padding: 16px 18px;
      display: flex;
      gap: 14px;
      align-items: center;
      box-shadow: var(--shadow-card);
      transition: border .2s, box-shadow .2s;
    }
    .news-item:hover {
      border-color: #CBB7F4;
      box-shadow: var(--shadow-hover);
    }
    .news-thumb {
      width: 84px;
      height: 84px;
      flex-shrink: 0;
      border-radius: 12px;
      overflow: hidden;
      background: #E9E4F5;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-info {
      flex: 1;
      min-width: 0;
    }
    .news-info h4 {
      font-size: 15px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 4px;
      color: #241331;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .news-info p {
      color: #6C6A7A;
      font-size: 13px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 6px;
    }
    .news-meta {
      display: flex;
      gap: 10px;
      font-size: 12px;
      color: #9A95B0;
      align-items: center;
    }
    .meta-line {
      margin-left: auto;
    }

    /* mobile */
    @media (max-width: 640px) {
      .news-item {
        flex-direction: row;
        padding: 14px 12px;
      }
      .news-thumb {
        width: 72px;
        height: 72px;
      }
      .news-info h4 {
        font-size: 14px;
        white-space: normal;
      }
    }

    /* stat band */
    .stat-band {
      background: #fff;
      border-radius: 24px;
      border: 1px solid #E9E3F6;
      padding: 28px 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      box-shadow: var(--shadow-card);
    }
    .stat-item {
      text-align: center;
      padding: 8px 0;
    }
    .stat-item .num {
      font-size: 32px;
      font-weight: 800;
      font-variant-numeric: tabular-nums;
      color: #6D28D9;
      line-height: 1.2;
    }
    .stat-item .num small {
      font-size: 15px;
      font-weight: 600;
      color: #F97316;
      margin-left: 2px;
    }
    .stat-item .label {
      font-size: 14px;
      color: #6C6A7A;
    }
    @media (max-width: 768px) {
      .stat-band {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    /* Feature dual */
    .dual-feature {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    @media (max-width: 900px) {
      .dual-feature {
        grid-template-columns: 1fr;
      }
    }
    .feature-tile {
      position: relative;
      min-height: 250px;
      border-radius: 24px;
      overflow: hidden;
      background-color: #6c3ab5;
      display: flex;
      align-items: flex-end;
    }
    .feature-tile img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feature-tile .overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(35, 18, 60, 0.85) 20%, rgba(35, 18, 60, 0.15) 70%, rgba(35,18,60,0.1) 100%);
    }
    .feature-tile-text {
      position: relative;
      z-index: 2;
      padding: 28px;
      color: #fff;
    }
    .feature-tile-text h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .feature-tile-text p {
      font-size: 14px;
      opacity: .85;
      margin-bottom: 14px;
    }
    .btn-light {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      color: #5B21B6;
      border-radius: 999px;
      padding: 7px 16px;
      font-weight: 600;
      font-size: 14px;
      transition: transform .2s, background .2s;
    }
    .btn-light:hover {
      transform: translateY(-2px);
      background: #F2EBFE;
    }

    /* CTA / subscribe */
    .subscribe-card {
      background: linear-gradient(120deg, #4b248c 0%, #6C3AB5 45%, #7C3AED 100%);
      border-radius: 28px;
      padding: 52px;
      display: flex;
      align-items: center;
      gap: 32px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .subscribe-card::before {
      content: "";
      position: absolute;
      right: -28px;
      top: -28px;
      width: 150px;
      height: 150px;
      background: radial-gradient(circle, rgba(255, 255, 255, .1), transparent 70%);
    }
    .subscribe-card .left {
      flex: 1.1;
    }
    .subscribe-card .left h2 {
      font-size: 30px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 10px;
    }
    .subscribe-card .left p {
      opacity: .88;
      font-size: 15px;
      max-width: 440px;
    }
    .subscribe-card form {
      flex: 1;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .subscribe-card input[type="email"] {
      flex: 1;
      min-width: 220px;
      border-radius: 999px;
      border: 0;
      padding: 12px 18px;
      font-size: 14px;
      background: rgba(255,255,255,.95);
      color: #1C1C28;
    }
    .subscribe-card input[type="submit"] {
      border: 0;
      background: #F97316;
      color: #fff;
      font-weight: 700;
      padding: 12px 26px;
      border-radius: 999px;
      cursor: pointer;
      transition: opacity .2s, transform .2s;
    }
    .subscribe-card input:focus {
      outline: 2px solid rgba(255,255,255,.5);
      outline-offset: 2px;
    }
    .subscribe-card input[type="submit"]:hover {
      opacity: .92;
      transform: translateY(-2px);
    }
    @media (max-width: 768px) {
      .subscribe-card {
        flex-direction: column;
        align-items: stretch;
        padding: 32px 24px;
      }
    }

    /* FAQ */
    .faq-simple {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    @media (max-width: 900px) {
      .faq-simple {
        grid-template-columns: 1fr;
      }
    }
    details.faq-card {
      background: #fff;
      border: 1px solid #E8E2F4;
      border-radius: 16px;
      padding: 18px 20px;
      transition: border .2s;
    }
    details.faq-card[open] {
      border-color: #C3ADF4;
    }
    details.faq-card summary {
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 600;
      color: #241331;
      font-size: 15px;
    }
    details.faq-card summary::-webkit-details-marker {
      display: none;
    }
    details.faq-card .icon {
      font-size: 22px;
      font-weight: 300;
      color: #7C3AED;
      transition: transform .25s;
      line-height: 1;
    }
    details.faq-card[open] .icon {
      transform: rotate(45deg);
      color: #F97316;
    }
    details.faq-card .answer {
      padding-top: 12px;
      margin-top: 10px;
      border-top: 1px dashed #EAE3F6;
      color: #5B5B6C;
      font-size: 14px;
    }

    /* Footer */
    .site-footer {
      background: #231538;
      color: #DAD4E8;
      padding-top: 48px;
      margin-top: 24px;
    }
    .site-footer .container {
      padding-bottom: 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 36px;
    }
    .footer-brand {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
    }
    .footer-brand span {
      color: #F9A257;
      margin-left: 3px;
    }
    .footer-desc {
      color: #B4A8CF;
      font-size: 14px;
      margin-top: 12px;
      max-width: 320px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 14px;
    }
    .footer-col a {
      display: block;
      color: #B4A8CF;
      font-size: 14px;
      margin-bottom: 9px;
      transition: color .15s;
    }
    .footer-col a:hover {
      color: #fff;
    }
    .footer-contact-item {
      display: flex;
      gap: 8px;
      font-size: 14px;
      color: #B4A8CF;
      margin-bottom: 10px;
    }
    .footer-contact-item i {
      color: #F97316;
      font-style: normal;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .12);
      margin-top: 24px;
      padding-top: 20px;
      padding-bottom: 20px;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      font-size: 13px;
      color: #958AB0;
    }
    @media (max-width: 900px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 640px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    .reveal {
      animation: fadeUp .6s ease both;
    }
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }