/* roulang page: index */
:root {
      --bg: #0d0f12;
      --bg-soft: #151922;
      --surface: #ffffff;
      --surface-2: #f5f7fa;
      --surface-3: #eef2f6;
      --text: #14171d;
      --text-soft: #5f6877;
      --muted: #8b94a3;
      --line: rgba(19, 25, 35, .12);
      --line-dark: rgba(255, 255, 255, .14);
      --brand: #23e6a8;
      --brand-2: #ff4d8d;
      --brand-3: #ffd166;
      --ink: #0f1217;
      --radius: 14px;
      --radius-sm: 9px;
      --shadow: 0 18px 50px rgba(15, 18, 23, .12);
      --shadow-soft: 0 10px 28px rgba(15, 18, 23, .08);
      --container: 1180px;
      --header-h: 78px;
      --ease: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(35, 230, 168, .14), transparent 28%),
        radial-gradient(circle at 95% 10%, rgba(255, 77, 141, .12), transparent 24%),
        linear-gradient(180deg, #101319 0%, #f7f9fc 38%, #ffffff 100%);
      line-height: 1.65;
      letter-spacing: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    a:hover {
      color: var(--brand-2);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
    }

    ::selection {
      color: #07110d;
      background: var(--brand);
    }

    .site-container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(13, 15, 18, .84);
      border-bottom: 1px solid var(--line-dark);
      backdrop-filter: blur(18px);
    }

    .nav-shell {
      min-height: var(--header-h);
      display: grid;
      grid-template-columns: 250px minmax(280px, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 14px 0;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      font-weight: 900;
      line-height: 1.15;
      word-break: keep-all;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #07110d;
      background: linear-gradient(135deg, var(--brand), var(--brand-3));
      box-shadow: 0 0 0 1px rgba(255, 255, 255, .22), 0 12px 28px rgba(35, 230, 168, .2);
      flex: 0 0 auto;
    }

    .brand-text {
      font-size: 16px;
      max-width: 180px;
    }

    .search-wrap {
      position: relative;
    }

    .search-box {
      position: relative;
      display: flex;
      align-items: center;
      min-height: 50px;
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
      transition: var(--ease);
    }

    .search-box:focus-within {
      border-color: rgba(35, 230, 168, .75);
      background: rgba(255, 255, 255, .13);
      box-shadow: 0 0 0 4px rgba(35, 230, 168, .11);
    }

    .search-box i {
      color: rgba(255, 255, 255, .72);
      margin-left: 18px;
    }

    .search-input {
      width: 100%;
      height: 48px;
      color: #fff;
      border: 0;
      outline: 0;
      background: transparent;
      padding: 0 48px 0 12px;
    }

    .search-input::placeholder {
      color: rgba(255, 255, 255, .55);
    }

    .search-clear {
      position: absolute;
      right: 9px;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      color: rgba(255, 255, 255, .7);
      background: rgba(255, 255, 255, .1);
      transition: var(--ease);
    }

    .search-clear:hover,
    .search-clear:focus {
      color: #111;
      background: var(--brand);
      outline: none;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-link-custom {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 42px;
      padding: 0 13px;
      border-radius: 999px;
      color: rgba(255, 255, 255, .78);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link-custom:hover,
    .nav-link-custom.active {
      color: #07110d;
      background: var(--brand);
    }

    .mobile-menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #fff;
      background: rgba(255, 255, 255, .11);
      border: 1px solid rgba(255, 255, 255, .14);
    }

    .btn-main,
    .btn-soft,
    .btn-darkline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 50px;
      padding: 0 22px;
      border-radius: 12px;
      font-weight: 850;
      line-height: 1;
      transition: var(--ease);
      cursor: pointer;
    }

    .btn-main {
      color: #07110d;
      background: linear-gradient(135deg, var(--brand), #9cffdf);
      box-shadow: 0 16px 34px rgba(35, 230, 168, .24);
    }

    .btn-main:hover,
    .btn-main:focus {
      color: #07110d;
      transform: translateY(-2px);
      box-shadow: 0 20px 44px rgba(35, 230, 168, .32);
      outline: none;
    }

    .btn-main:active,
    .btn-soft:active,
    .btn-darkline:active {
      transform: translateY(0);
    }

    .btn-soft {
      color: #fff;
      background: rgba(255, 255, 255, .11);
      border: 1px solid rgba(255, 255, 255, .18);
    }

    .btn-soft:hover,
    .btn-soft:focus {
      color: #fff;
      border-color: rgba(255, 255, 255, .42);
      background: rgba(255, 255, 255, .16);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-darkline {
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .btn-darkline:hover,
    .btn-darkline:focus {
      color: var(--ink);
      border-color: rgba(255, 77, 141, .35);
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      outline: none;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 48px 0;
    }

    .section-dark {
      color: #fff;
      background: linear-gradient(180deg, #11151d, #0d0f12);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--brand-2);
      font-size: 13px;
      font-weight: 900;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3vw, 42px);
      font-weight: 950;
      line-height: 1.18;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 650px;
      margin: 12px 0 0;
      color: var(--text-soft);
      font-size: 16px;
    }

    .section-dark .section-desc,
    .section-dark .muted {
      color: rgba(255, 255, 255, .68);
    }

    .hero {
      position: relative;
      min-height: calc(100vh - var(--header-h));
      max-height: 860px;
      padding: 54px 0 44px;
      color: #fff;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(13, 15, 18, .96) 0%, rgba(13, 15, 18, .75) 52%, rgba(13, 15, 18, .92) 100%),
        url("https://images.unsplash.com/photo-1518611012118-696072aa579a?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 180px;
      background: linear-gradient(180deg, transparent, #f7f9fc);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-cover {
      padding: 38px 0 24px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero-labels {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      color: rgba(255, 255, 255, .9);
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .16);
      font-size: 13px;
      font-weight: 750;
    }

    .pill.light {
      color: var(--ink);
      background: #fff;
      border-color: var(--line);
    }

    h1 {
      max-width: 820px;
      margin: 0;
      font-size: clamp(38px, 6vw, 76px);
      line-height: 1.04;
      font-weight: 980;
      letter-spacing: 0;
    }

    .hero-sub {
      max-width: 720px;
      margin: 22px 0 0;
      color: rgba(255, 255, 255, .78);
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 32px;
      max-width: 760px;
    }

    .point-card {
      min-height: 96px;
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .09);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(14px);
    }

    .point-num {
      display: block;
      color: var(--brand);
      font-size: 24px;
      font-weight: 950;
      line-height: 1.1;
    }

    .point-text {
      margin-top: 7px;
      color: rgba(255, 255, 255, .72);
      font-size: 13px;
    }

    .hero-stage {
      align-self: center;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 22px;
      border: 1px solid rgba(255, 255, 255, .15);
      background: rgba(255, 255, 255, .08);
      backdrop-filter: blur(22px);
      box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
    }

    .stage-wide {
      grid-column: 1 / -1;
      min-height: 142px;
      padding: 20px;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(35, 230, 168, .18), rgba(255, 77, 141, .14)),
        rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .15);
    }

    .stage-card {
      min-height: 146px;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .14);
      transition: var(--ease);
    }

    .stage-card:hover {
      transform: translateY(-3px);
      background: rgba(255, 255, 255, .14);
    }

    .stage-icon {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 11px;
      color: #07110d;
      background: var(--brand);
      margin-bottom: 14px;
    }

    .stage-title {
      margin: 0;
      font-size: 18px;
      font-weight: 900;
    }

    .stage-text {
      margin: 8px 0 0;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
    }

    .trust-bar {
      margin-top: -26px;
      position: relative;
      z-index: 3;
    }

    .trust-inner {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1px;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--line);
      box-shadow: var(--shadow);
    }

    .trust-item {
      min-height: 78px;
      padding: 16px;
      background: #fff;
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 850;
    }

    .trust-item i {
      color: var(--brand-2);
      font-size: 18px;
    }

    .feature-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .feature-card,
    .directory-card,
    .pick-card,
    .topic-card,
    .voice-card,
    .faq-item,
    .news-panel,
    .form-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .feature-card {
      padding: 24px;
      min-height: 210px;
    }

    .feature-card:hover,
    .directory-card:hover,
    .pick-card:hover,
    .topic-card:hover,
    .voice-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(35, 230, 168, .42);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 13px;
      color: #07110d;
      background: linear-gradient(135deg, var(--brand), #baffea);
    }

    .card-title {
      margin: 0;
      font-size: 19px;
      font-weight: 930;
      line-height: 1.35;
    }

    .card-text {
      margin: 10px 0 0;
      color: var(--text-soft);
      font-size: 14px;
    }

    .directory-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .directory-card {
      position: relative;
      overflow: hidden;
      min-height: 218px;
      padding: 20px;
    }

    .directory-card::before {
      content: attr(data-index);
      position: absolute;
      right: 14px;
      top: 8px;
      color: rgba(15, 18, 23, .06);
      font-size: 64px;
      font-weight: 950;
      line-height: 1;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 14px 0 0;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      min-height: 28px;
      padding: 0 9px;
      border-radius: 999px;
      color: #3b4250;
      background: var(--surface-2);
      border: 1px solid var(--line);
      font-size: 12px;
      font-weight: 750;
    }

    .tag.hot {
      color: #701d3d;
      background: rgba(255, 77, 141, .12);
      border-color: rgba(255, 77, 141, .22);
    }

    .tag.green {
      color: #0c5c46;
      background: rgba(35, 230, 168, .14);
      border-color: rgba(35, 230, 168, .26);
    }

    .scenario-band {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 22px;
      align-items: stretch;
    }

    .scenario-map {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .map-cell {
      min-height: 126px;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      background: rgba(255, 255, 255, .08);
    }

    .map-cell strong {
      display: block;
      margin-bottom: 8px;
      color: #fff;
      font-size: 17px;
    }

    .map-cell p {
      margin: 0;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
    }

    .process-card {
      padding: 26px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .08);
      border: 1px solid var(--line-dark);
    }

    .step {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 16px 0;
      border-bottom: 1px solid var(--line-dark);
    }

    .step:last-child {
      border-bottom: 0;
    }

    .step-num {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #07110d;
      background: var(--brand-3);
      font-weight: 950;
    }

    .step h3 {
      margin: 0;
      font-size: 17px;
      font-weight: 900;
    }

    .step p {
      margin: 6px 0 0;
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
    }

    .filter-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .filter-chip {
      min-height: 38px;
      padding: 0 14px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text-soft);
      font-weight: 800;
      transition: var(--ease);
    }

    .filter-chip:hover,
    .filter-chip.active {
      color: #07110d;
      border-color: var(--brand);
      background: var(--brand);
    }

    .pick-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      gap: 18px;
      align-items: start;
    }

    .pick-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .pick-card {
      min-height: 244px;
      padding: 18px;
      display: flex;
      flex-direction: column;
    }

    .pick-card.compact {
      min-height: auto;
      padding: 15px;
    }

    .pick-meta {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      margin-top: auto;
      padding-top: 16px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 750;
    }

    .side-panel {
      position: sticky;
      top: calc(var(--header-h) + 18px);
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--ink);
      color: #fff;
      box-shadow: var(--shadow-soft);
    }

    .side-panel h3 {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 930;
    }

    .side-list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .side-list li + li {
      margin-top: 10px;
    }

    .side-list a {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 11px 12px;
      border-radius: 10px;
      color: rgba(255, 255, 255, .76);
      background: rgba(255, 255, 255, .07);
    }

    .side-list a:hover {
      color: #07110d;
      background: var(--brand);
    }

    .topic-scroll {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 16px;
      overflow-x: auto;
      padding-bottom: 12px;
      scrollbar-width: thin;
    }

    .topic-card {
      min-height: 190px;
      padding: 20px;
    }

    .topic-card.featured {
      color: #fff;
      background: linear-gradient(135deg, #171b24, #26202b);
      border-color: rgba(255, 255, 255, .16);
    }

    .topic-card.featured .card-text {
      color: rgba(255, 255, 255, .72);
    }

    .voice-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 16px;
    }

    .voice-card {
      padding: 22px;
    }

    .voice-card strong {
      display: block;
      font-size: 18px;
      margin-bottom: 9px;
    }

    .voice-card p {
      margin: 0;
      color: var(--text-soft);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 18px;
      align-items: start;
    }

    .news-panel {
      overflow: hidden;
    }

    .news-list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .news-list li {
      display: grid;
      grid-template-columns: 112px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-bottom: 1px solid var(--line);
    }

    .news-list li:last-child {
      border-bottom: 0;
    }

    .news-date {
      color: var(--muted);
      font-size: 13px;
      font-weight: 850;
    }

    .news-list a {
      font-weight: 900;
    }

    .news-list p {
      margin: 4px 0 0;
      color: var(--text-soft);
      font-size: 14px;
    }

    .recommend-box {
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .recommend-box h3 {
      margin: 0 0 14px;
      font-size: 18px;
      font-weight: 930;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .faq-item {
      padding: 22px;
    }

    .faq-item h3 {
      margin: 0;
      font-size: 17px;
      font-weight: 930;
    }

    .faq-item p {
      margin: 10px 0 0;
      color: var(--text-soft);
      font-size: 14px;
    }

    .cta-zone {
      padding: 42px;
      border-radius: 20px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(35, 230, 168, .22), rgba(255, 77, 141, .18)),
        #11151d;
      border: 1px solid rgba(255, 255, 255, .14);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .cta-zone h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 42px);
      font-weight: 950;
    }

    .cta-zone p {
      margin: 12px 0 0;
      color: rgba(255, 255, 255, .72);
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .form-panel {
      padding: 24px;
    }

    .input-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      margin-top: 18px;
    }

    .form-control-custom {
      width: 100%;
      min-height: 52px;
      padding: 0 16px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: var(--surface-2);
      outline: none;
      transition: var(--ease);
    }

    .form-control-custom:focus {
      border-color: var(--brand);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(35, 230, 168, .14);
    }

    .site-footer {
      padding: 50px 0 96px;
      color: rgba(255, 255, 255, .72);
      background: #0d0f12;
      border-top: 1px solid var(--line-dark);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 30px;
      align-items: start;
    }

    .footer-brand {
      color: #fff;
      font-size: 20px;
      font-weight: 950;
      margin-bottom: 10px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 8px 12px;
      border-radius: 999px;
      color: rgba(255, 255, 255, .72);
      background: rgba(255, 255, 255, .06);
    }

    .footer-links a:hover {
      color: #07110d;
      background: var(--brand);
    }

    .copyright {
      margin-top: 18px;
      color: rgba(255, 255, 255, .48);
      font-size: 13px;
    }

    .floating-cta {
      position: fixed;
      z-index: 1040;
      right: 22px;
      bottom: 22px;
      display: flex;
      gap: 10px;
      align-items: center;
      padding: 10px;
      border-radius: 16px;
      background: rgba(13, 15, 18, .86);
      border: 1px solid rgba(255, 255, 255, .16);
      box-shadow: 0 18px 42px rgba(0, 0, 0, .24);
      backdrop-filter: blur(18px);
    }

    .floating-cta .btn-main,
    .floating-cta .btn-soft {
      min-height: 44px;
      padding: 0 16px;
      border-radius: 11px;
      font-size: 14px;
    }

    .toast-copy {
      position: fixed;
      left: 50%;
      bottom: 92px;
      z-index: 1200;
      padding: 10px 15px;
      border-radius: 999px;
      color: #07110d;
      background: var(--brand);
      font-weight: 850;
      box-shadow: var(--shadow);
      transform: translate(-50%, 18px);
      opacity: 0;
      pointer-events: none;
      transition: var(--ease);
    }

    .toast-copy.show {
      transform: translate(-50%, 0);
      opacity: 1;
    }

    @media (max-width: 1100px) {
      .nav-shell {
        grid-template-columns: 220px 1fr auto;
      }

      .nav-links {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 1px);
        display: none;
        padding: 12px;
        border: 1px solid var(--line-dark);
        border-radius: 0 0 18px 18px;
        background: rgba(13, 15, 18, .96);
        box-shadow: var(--shadow);
      }

      .nav-links.show {
        display: flex;
      }

      .mobile-menu-btn {
        display: inline-flex;
      }

      .hero-grid,
      .scenario-band,
      .pick-layout,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
      }

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

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

      .trust-inner {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: auto;
      }

      body {
        padding-bottom: 84px;
      }

      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .nav-shell {
        grid-template-columns: 1fr auto;
        gap: 12px;
      }

      .search-wrap {
        grid-column: 1 / -1;
        order: 3;
      }

      .brand-text {
        max-width: 220px;
        font-size: 15px;
      }

      .hero {
        min-height: auto;
        padding: 34px 0 40px;
      }

      .hero-grid {
        gap: 18px;
      }

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

      .stage-wide {
        min-height: 120px;
      }

      .hero-points,
      .feature-strip,
      .voice-grid,
      .faq-grid,
      .trust-inner {
        grid-template-columns: 1fr;
      }

      .trust-bar {
        margin-top: 0;
      }

      .trust-item {
        min-height: 62px;
      }

      .section {
        padding: 54px 0;
      }

      .section-head,
      .cta-zone,
      .footer-grid {
        grid-template-columns: 1fr;
        display: grid;
      }

      .section-head {
        align-items: start;
      }

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

      .directory-grid,
      .pick-grid,
      .scenario-map {
        grid-template-columns: 1fr;
      }

      .news-list li {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .input-row {
        grid-template-columns: 1fr;
      }

      .floating-cta {
        left: 10px;
        right: 10px;
        bottom: 10px;
        justify-content: space-between;
      }

      .floating-cta .btn-main,
      .floating-cta .btn-soft {
        flex: 1;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 38px;
        height: 38px;
      }

      .brand-logo {
        gap: 8px;
      }

      .brand-text {
        max-width: 180px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn-main,
      .btn-soft,
      .btn-darkline {
        width: 100%;
      }

      .point-card,
      .feature-card,
      .directory-card,
      .pick-card,
      .faq-item,
      .form-panel {
        padding: 18px;
      }

      .topic-scroll {
        grid-auto-columns: minmax(230px, 86vw);
      }

      .floating-cta span {
        display: none;
      }
    }

/* roulang page: category1 */
:root{
      --bg: #0e1014;
      --bg-soft: #141821;
      --surface: #171c25;
      --surface-2: #1d2330;
      --surface-3: #232a39;
      --line: rgba(255,255,255,.08);
      --line-strong: rgba(255,255,255,.14);
      --text: #f4f7fb;
      --muted: rgba(244,247,251,.72);
      --muted-2: rgba(244,247,251,.56);
      --accent: #8cffc4;
      --accent-2: #f7c66b;
      --accent-3: #7dd6ff;
      --danger: #ff6a7a;
      --shadow: 0 18px 48px rgba(0,0,0,.34);
      --shadow-soft: 0 10px 28px rgba(0,0,0,.22);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1200px;
      --gap: 24px;
      --gap-sm: 16px;
      --transition: all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(140,255,196,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(125,214,255,.10), transparent 24%),
        linear-gradient(180deg, #0e1014 0%, #0b0d11 100%);
      color:var(--text);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--accent)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(140,255,196,.22);color:#fff}
    .site-container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter: blur(16px);
      background: rgba(11,13,17,.82);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 30px rgba(0,0,0,.16);
    }
    .nav-shell{
      min-height:82px;
      display:grid;
      grid-template-columns: auto minmax(320px,1fr) auto auto;
      gap:18px;
      align-items:center;
      padding:14px 0;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background: linear-gradient(135deg, rgba(140,255,196,.18), rgba(125,214,255,.16));
      color:var(--accent);
      border:1px solid rgba(140,255,196,.18);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
      flex:0 0 auto;
    }
    .brand-text{
      font-size:1.05rem;
      color:var(--text);
    }
    .search-wrap{width:100%}
    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 14px;
      border-radius:999px;
      background: linear-gradient(180deg, rgba(23,28,37,.95), rgba(18,22,30,.96));
      border:1px solid var(--line);
      box-shadow: var(--shadow-soft);
      transition:var(--transition);
    }
    .search-box:focus-within{
      border-color: rgba(140,255,196,.44);
      box-shadow: 0 0 0 4px rgba(140,255,196,.12), var(--shadow-soft);
      transform: translateY(-1px);
    }
    .search-box i{color:var(--accent-3)}
    .search-input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      min-width:0;
    }
    .search-input::placeholder{color:rgba(244,247,251,.46)}
    .search-clear{
      border:0;
      background:transparent;
      color:var(--muted-2);
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      transition:var(--transition);
    }
    .search-clear:hover,.search-clear:focus{
      background:rgba(255,255,255,.06);
      color:#fff;
      transform:scale(1.04);
    }
    .mobile-menu-btn{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.02);
      color:var(--text);
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      list-style:none;
      padding:0;
      margin:0;
    }
    .nav-link-custom{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-weight:500;
      white-space:nowrap;
    }
    .nav-link-custom:hover{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:var(--line);
    }
    .nav-link-custom.active{
      color:#07110c;
      background:linear-gradient(135deg, var(--accent), #beffd8);
      box-shadow:0 8px 18px rgba(140,255,196,.18);
      font-weight:700;
    }
    main{padding:28px 0 86px}
    .hero{
      padding:24px 0 12px;
    }
    .hero-bento{
      display:grid;
      grid-template-columns: 1.5fr .85fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-main,.hero-mini,.hero-mini-alt,.panel-card,.info-card,.entry-card,.faq-card,.cta-card,.trust-chip{
      border:1px solid var(--line);
      background: linear-gradient(180deg, rgba(23,28,37,.96), rgba(18,22,30,.94));
      box-shadow: var(--shadow-soft);
    }
    .hero-main{
      border-radius: var(--radius-lg);
      padding:30px;
      min-height:340px;
      position:relative;
      overflow:hidden;
    }
    .hero-main:before{
      content:"";
      position:absolute;
      inset:auto -80px -90px auto;
      width:300px;
      height:300px;
      background:radial-gradient(circle, rgba(140,255,196,.18), transparent 62%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(140,255,196,.1);
      color:var(--accent);
      border:1px solid rgba(140,255,196,.16);
      font-size:.92rem;
      margin-bottom:18px;
    }
    .hero-title{
      font-size:clamp(2rem, 4vw, 3.5rem);
      line-height:1.12;
      font-weight:800;
      letter-spacing:-.03em;
      margin:0 0 14px;
      max-width:11ch;
    }
    .hero-subtitle{
      color:var(--muted);
      max-width:54ch;
      font-size:1.04rem;
      margin:0 0 22px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:22px;
    }
    .btn-strong,.btn-soft,.btn-outline-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:14px;
      padding:13px 18px;
      border:1px solid transparent;
      font-weight:700;
      transition:var(--transition);
    }
    .btn-strong{
      color:#08110b;
      background:linear-gradient(135deg, var(--accent), #b8ffd4);
      box-shadow:0 10px 24px rgba(140,255,196,.18);
    }
    .btn-strong:hover{
      transform:translateY(-2px);
      color:#08110b;
      box-shadow:0 16px 32px rgba(140,255,196,.22);
    }
    .btn-soft{
      color:var(--text);
      background:rgba(255,255,255,.03);
      border-color:var(--line);
    }
    .btn-soft:hover,.btn-outline-custom:hover{
      background:rgba(255,255,255,.06);
      color:#fff;
      border-color:var(--line-strong);
      transform:translateY(-2px);
    }
    .btn-outline-custom{
      color:var(--muted);
      background:transparent;
      border-color:var(--line);
    }
    .hero-stat{
      display:grid;
      grid-template-columns: repeat(3,1fr);
      gap:12px;
      margin-top:auto;
    }
    .stat-box{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
    }
    .stat-number{
      font-size:1.18rem;
      font-weight:800;
      color:#fff;
      line-height:1.1;
    }
    .stat-label{
      margin-top:5px;
      color:var(--muted-2);
      font-size:.92rem;
    }
    .hero-mini,.hero-mini-alt{
      border-radius: var(--radius-lg);
      padding:22px;
      min-height:158px;
      position:relative;
      overflow:hidden;
    }
    .mini-label{
      font-size:.88rem;
      color:var(--accent-3);
      margin-bottom:8px;
    }
    .mini-title{
      font-size:1.22rem;
      font-weight:700;
      margin-bottom:8px;
      line-height:1.35;
    }
    .mini-desc{
      color:var(--muted);
      margin-bottom:0;
      font-size:.96rem;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      margin-top:16px;
      background:rgba(125,214,255,.1);
      color:#d6f2ff;
      font-size:.88rem;
      border:1px solid rgba(125,214,255,.16);
    }
    .hero-mini-alt{
      background: linear-gradient(180deg, rgba(29,35,48,.96), rgba(20,24,33,.95));
    }
    .hero-mini-alt .mini-badge{
      background:rgba(247,198,107,.1);
      color:#ffe7b3;
      border-color:rgba(247,198,107,.16);
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:20px 0 0;
    }
    .trust-chip{
      padding:11px 14px;
      border-radius:999px;
      color:var(--muted);
      display:inline-flex;
      align-items:center;
      gap:9px;
      font-size:.94rem;
      box-shadow:none;
    }
    .trust-chip i{color:var(--accent)}
    .section-block{
      margin-top:28px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .section-title{
      margin:0;
      font-size:1.55rem;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-sub{
      margin:6px 0 0;
      color:var(--muted);
      max-width:62ch;
      font-size:.98rem;
    }
    .directory-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:18px;
    }
    .panel-card{
      border-radius: var(--radius-lg);
      padding:20px;
      height:100%;
      position:relative;
      overflow:hidden;
      transition:var(--transition);
    }
    .panel-card:hover,.entry-card:hover,.info-card:hover,.faq-card:hover{
      transform: translateY(-3px);
      border-color: rgba(140,255,196,.18);
      box-shadow: 0 18px 36px rgba(0,0,0,.28);
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
      margin-bottom:12px;
    }
    .panel-index{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(140,255,196,.1);
      color:var(--accent);
      font-weight:800;
      border:1px solid rgba(140,255,196,.14);
      flex:0 0 auto;
    }
    .panel-status{
      padding:7px 10px;
      border-radius:999px;
      font-size:.82rem;
      color:#fff;
      background:rgba(125,214,255,.12);
      border:1px solid rgba(125,214,255,.16);
    }
    .panel-title{
      font-size:1.2rem;
      font-weight:800;
      margin:0 0 8px;
    }
    .panel-desc{
      color:var(--muted);
      margin:0 0 16px;
      font-size:.96rem;
    }
    .tag-wrap,.filter-wrap{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-pill,.filter-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:.9rem;
      transition:var(--transition);
    }
    .tag-pill:hover,.filter-pill:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:var(--line-strong);
    }
    .content-layout{
      display:grid;
      grid-template-columns: 1fr 300px;
      gap:18px;
      align-items:start;
    }
    .entry-list{
      display:grid;
      gap:14px;
    }
    .entry-card{
      border-radius: var(--radius-lg);
      padding:18px;
      display:grid;
      grid-template-columns: auto 1fr auto;
      gap:16px;
      align-items:center;
    }
    .entry-badge{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(247,198,107,.1);
      color:#ffd98a;
      border:1px solid rgba(247,198,107,.14);
      font-weight:800;
      flex:0 0 auto;
    }
    .entry-title{
      font-size:1.08rem;
      font-weight:800;
      margin:0 0 6px;
    }
    .entry-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:8px;
    }
    .meta-chip{
      padding:5px 9px;
      border-radius:999px;
      font-size:.78rem;
      background:rgba(255,255,255,.05);
      color:var(--muted);
      border:1px solid var(--line);
    }
    .entry-desc{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .entry-action{
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      text-align:right;
    }
    .entry-state{
      color:var(--accent);
      font-size:.86rem;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .entry-link{
      color:#0a110b;
      background:linear-gradient(135deg, var(--accent), #c4ffe0);
      padding:10px 14px;
      border-radius:12px;
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .entry-link:hover{transform:translateY(-1px); color:#0a110b}
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:104px;
    }
    .info-card{
      border-radius: var(--radius-lg);
      padding:20px;
    }
    .info-title{
      font-size:1.08rem;
      font-weight:800;
      margin:0 0 12px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      align-items:flex-start;
    }
    .check-list i{color:var(--accent); margin-top:4px}
    .mini-grid{
      display:grid;
      grid-template-columns: repeat(2,1fr);
      gap:12px;
    }
    .metric{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
    }
    .metric-value{
      font-weight:800;
      font-size:1.1rem;
    }
    .metric-label{
      color:var(--muted-2);
      font-size:.88rem;
      margin-top:4px;
    }
    .related-row{
      display:grid;
      grid-template-columns: repeat(4,1fr);
      gap:14px;
    }
    .related-card{
      border-radius:18px;
      padding:18px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      min-height:132px;
    }
    .related-label{
      color:var(--accent-3);
      font-size:.84rem;
      margin-bottom:8px;
    }
    .related-title{
      margin:0 0 8px;
      font-weight:800;
      font-size:1.03rem;
    }
    .related-desc{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .faq-grid{
      display:grid;
      gap:14px;
    }
    .faq-card{
      border-radius: var(--radius-lg);
      padding:20px;
    }
    .faq-q{
      font-size:1.02rem;
      font-weight:800;
      margin:0 0 10px;
    }
    .faq-a{
      color:var(--muted);
      margin:0;
    }
    .cta-card{
      border-radius: var(--radius-lg);
      padding:24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .cta-title{
      margin:0 0 8px;
      font-size:1.45rem;
      font-weight:800;
    }
    .cta-desc{
      margin:0;
      color:var(--muted);
      max-width:58ch;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-footer{
      margin-top:28px;
      padding:24px 0 110px;
      border-top:1px solid var(--line);
      background:rgba(8,10,13,.84);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.4fr .9fr;
      gap:22px;
      align-items:start;
    }
    .footer-brand{
      font-size:1.1rem;
      font-weight:800;
      margin-bottom:10px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:12px 16px;
      justify-content:flex-end;
      color:var(--muted);
    }
    .footer-links a:hover{color:var(--accent)}
    .copyright{
      margin-top:14px;
      color:var(--muted-2);
      font-size:.93rem;
    }
    .mobile-floatbar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:1040;
      padding:12px 0;
      background: linear-gradient(180deg, rgba(11,13,17,.18), rgba(11,13,17,.94) 20%, rgba(11,13,17,.98));
      border-top:1px solid var(--line);
      backdrop-filter: blur(12px);
      display:none;
    }
    .floatbar-inner{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:10px;
    }
    .float-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:13px 14px;
      border-radius:14px;
      font-weight:800;
      border:1px solid transparent;
    }
    .float-btn.primary{
      background:linear-gradient(135deg, var(--accent), #b8ffd4);
      color:#07110c;
    }
    .float-btn.secondary{
      background:rgba(255,255,255,.05);
      color:var(--text);
      border-color:var(--line);
    }
    .back-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      background:rgba(23,28,37,.9);
      color:var(--text);
      box-shadow:var(--shadow-soft);
      z-index:1045;
    }
    .back-top:hover{
      color:#fff;
      border-color:rgba(140,255,196,.22);
      transform:translateY(-2px);
    }
    .filter-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .filter-row .filter-wrap{flex:1}
    .sort-note{
      color:var(--muted-2);
      font-size:.92rem;
      white-space:nowrap;
    }
    @media (max-width: 1199.98px){
      .hero-bento{grid-template-columns: 1.2fr .8fr}
      .hero-mini-alt{grid-column:span 2}
      .content-layout{grid-template-columns:1fr}
      .sidebar{position:static}
      .related-row{grid-template-columns: repeat(2,1fr)}
    }
    @media (max-width: 991.98px){
      .nav-shell{grid-template-columns:auto 1fr auto}
      .search-wrap{grid-column:1 / -1; order:4}
      .nav-links{
        position:fixed;
        inset:82px 16px auto 16px;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border-radius:22px;
        background:rgba(12,15,20,.98);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
        display:none;
      }
      .nav-links.show{display:flex}
      .nav-link-custom{justify-content:center}
      .mobile-menu-btn{display:inline-grid;place-items:center}
      .hero-bento{grid-template-columns:1fr}
      .hero-mini-alt{grid-column:auto}
      .directory-grid{grid-template-columns:1fr 1fr}
      .entry-card{grid-template-columns:1fr}
      .entry-action{align-items:flex-start;text-align:left}
      .mini-grid{grid-template-columns:1fr 1fr}
      .cta-card,.footer-grid{grid-template-columns:1fr}
      .cta-card{flex-direction:column;align-items:flex-start}
      .cta-actions{justify-content:flex-start}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 767.98px){
      main{padding-top:18px}
      .site-container{width:min(100% - 24px, var(--container))}
      .nav-shell{min-height:auto;padding:12px 0}
      .brand-text{font-size:.98rem}
      .section-head{flex-direction:column;align-items:flex-start}
      .directory-grid,.related-row{grid-template-columns:1fr}
      .mini-grid,.hero-stat{grid-template-columns:1fr}
      .hero-main{padding:22px;min-height:auto}
      .hero-title{max-width:none}
      .cta-card{padding:20px}
      .site-footer{padding-bottom:128px}
      .mobile-floatbar{display:block}
    }
    @media (max-width: 520px){
      .hero-actions,.cta-actions{flex-direction:column}
      .btn-strong,.btn-soft,.btn-outline-custom,.float-btn{width:100%}
      .search-box{padding:10px 12px}
      .panel-card,.info-card,.faq-card,.related-card{padding:16px}
      .entry-card{padding:16px}
      .entry-link,.float-btn{width:100%}
      .filter-row{flex-direction:column;align-items:flex-start}
      .sort-note{white-space:normal}
    }
    .visually-hidden-focusable:not(:focus):not(:focus-within){
      position:absolute !important;
      width:1px !important;
      height:1px !important;
      padding:0 !important;
      margin:-1px !important;
      overflow:hidden !important;
      clip:rect(0,0,0,0) !important;
      white-space:nowrap !important;
      border:0 !important;
    }

/* roulang page: category2 */
:root {
      --bg: #0b0f12;
      --bg-soft: #11181d;
      --panel: #151d22;
      --panel-strong: #1c262c;
      --surface: #f5f7f8;
      --text: #edf3f2;
      --text-dark: #142024;
      --muted: #94a3a8;
      --muted-dark: #66757a;
      --line: rgba(255,255,255,.12);
      --line-dark: rgba(12,24,28,.12);
      --primary: #16f2b3;
      --primary-2: #31c7ff;
      --accent: #ffcf5a;
      --danger: #ff6b7a;
      --radius-sm: 8px;
      --radius: 14px;
      --radius-lg: 22px;
      --shadow: 0 18px 50px rgba(0,0,0,.24);
      --shadow-soft: 0 12px 30px rgba(0,0,0,.16);
      --container: 1180px;
      --header-h: 78px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.7;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(22,242,179,.08), rgba(11,15,18,0) 320px),
        radial-gradient(circle at 78% 8%, rgba(49,199,255,.18), transparent 30%),
        var(--bg);
      letter-spacing: 0;
      padding-bottom: 84px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
    }

    ::selection {
      color: #08100e;
      background: var(--primary);
    }

    .site-container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(9, 13, 15, .82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .nav-shell {
      min-height: var(--header-h);
      display: grid;
      grid-template-columns: auto minmax(280px, 1fr) auto auto;
      align-items: center;
      gap: 18px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      color: var(--text);
      font-weight: 800;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #07110e;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 10px 28px rgba(22,242,179,.24);
    }

    .brand-text {
      font-size: 18px;
      line-height: 1.2;
      white-space: nowrap;
    }

    .search-wrap {
      width: 100%;
    }

    .search-box {
      position: relative;
      display: flex;
      align-items: center;
      gap: 10px;
      width: 100%;
      min-height: 48px;
      padding: 0 14px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .search-box:focus-within {
      border-color: rgba(22,242,179,.72);
      background: rgba(255,255,255,.09);
      box-shadow: 0 0 0 4px rgba(22,242,179,.12);
    }

    .search-box i {
      color: var(--primary);
      flex: 0 0 auto;
    }

    .search-input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      font-size: 15px;
    }

    .search-input::placeholder {
      color: rgba(237,243,242,.58);
    }

    .search-clear {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--muted);
      background: rgba(255,255,255,.08);
      transition: color .2s ease, background .2s ease, transform .2s ease;
    }

    .search-clear:hover,
    .search-clear:focus {
      color: var(--text);
      background: rgba(255,255,255,.16);
      transform: scale(1.04);
      outline: none;
    }

    .mobile-menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      color: var(--text);
      background: rgba(255,255,255,.08);
      border: 1px solid var(--line);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .nav-link-custom {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 42px;
      padding: 0 13px;
      border-radius: 999px;
      color: rgba(237,243,242,.78);
      border: 1px solid transparent;
      white-space: nowrap;
      font-size: 14px;
      font-weight: 700;
    }

    .nav-link-custom:hover {
      color: var(--text);
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.12);
    }

    .nav-link-custom.active {
      color: #08100e;
      background: var(--primary);
      border-color: var(--primary);
      box-shadow: 0 10px 26px rgba(22,242,179,.18);
    }

    .page-hero {
      position: relative;
      padding: 54px 0 42px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 430px;
      gap: 32px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 24px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--primary);
      background: rgba(22,242,179,.1);
      border: 1px solid rgba(22,242,179,.22);
      font-size: 14px;
      font-weight: 800;
    }

    h1 {
      margin: 0 0 18px;
      max-width: 820px;
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.08;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 760px;
      margin: 0 0 24px;
      color: rgba(237,243,242,.76);
      font-size: 18px;
    }

    .hero-actions,
    .cta-actions,
    .card-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .btn-custom {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 50px;
      padding: 0 20px;
      border-radius: 12px;
      font-weight: 850;
      border: 1px solid transparent;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
      cursor: pointer;
    }

    .btn-custom:focus-visible {
      outline: 3px solid rgba(49,199,255,.42);
      outline-offset: 3px;
    }

    .btn-primary-custom {
      color: #06110e;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 14px 34px rgba(22,242,179,.2);
    }

    .btn-primary-custom:hover {
      color: #06110e;
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(22,242,179,.28);
    }

    .btn-secondary-custom {
      color: var(--text);
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.16);
    }

    .btn-secondary-custom:hover {
      color: var(--text);
      background: rgba(255,255,255,.13);
      border-color: rgba(22,242,179,.36);
      transform: translateY(-2px);
    }

    .btn-dark-custom {
      color: var(--text);
      background: #0d1316;
      border-color: rgba(255,255,255,.12);
    }

    .btn-dark-custom:hover {
      color: var(--primary);
      border-color: rgba(22,242,179,.4);
      transform: translateY(-2px);
    }

    .choice-stack {
      display: grid;
      gap: 14px;
    }

    .choice-card {
      position: relative;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.06);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .choice-card.featured {
      border-color: rgba(22,242,179,.52);
      background:
        linear-gradient(135deg, rgba(22,242,179,.16), rgba(49,199,255,.08)),
        rgba(255,255,255,.07);
      transform: translateY(-4px);
    }

    .choice-top {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 12px;
    }

    .choice-title {
      font-size: 18px;
      font-weight: 900;
      margin: 0;
    }

    .choice-desc {
      margin: 0 0 16px;
      color: rgba(237,243,242,.72);
      font-size: 14px;
    }

    .price-line {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin-bottom: 16px;
    }

    .price-line strong {
      font-size: 30px;
      line-height: 1;
      color: var(--primary);
    }

    .price-line span {
      color: var(--muted);
      font-size: 13px;
    }

    .badge-custom,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
      white-space: nowrap;
    }

    .badge-custom {
      padding: 7px 10px;
      color: #08100e;
      background: var(--accent);
      font-size: 12px;
    }

    .tag {
      padding: 8px 10px;
      color: rgba(237,243,242,.82);
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      font-size: 13px;
    }

    .tag.hot {
      color: #06110e;
      background: var(--primary);
      border-color: var(--primary);
    }

    .trust-band {
      padding: 18px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 54px;
      padding: 12px;
      border-radius: var(--radius-sm);
      color: rgba(237,243,242,.82);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.1);
      font-weight: 750;
    }

    .trust-item i {
      color: var(--primary);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 72px 0;
    }

    .section-light {
      color: var(--text-dark);
      background: var(--surface);
    }

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

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-kicker {
      margin-bottom: 8px;
      color: var(--primary);
      font-weight: 900;
    }

    .section-light .section-kicker {
      color: #078f69;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3vw, 40px);
      font-weight: 900;
      line-height: 1.18;
      letter-spacing: 0;
    }

    .section-summary {
      max-width: 760px;
      margin: 10px 0 0;
      color: var(--muted);
    }

    .section-light .section-summary {
      color: var(--muted-dark);
    }

    .topic-layout {
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .filter-panel {
      position: sticky;
      top: calc(var(--header-h) + 20px);
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      background: #fff;
      box-shadow: 0 14px 36px rgba(10,20,24,.08);
    }

    .filter-title {
      margin: 0 0 14px;
      font-size: 18px;
      font-weight: 900;
    }

    .filter-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .filter-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 12px;
      border-radius: 10px;
      color: var(--text-dark);
      background: #f4f7f7;
      border: 1px solid transparent;
      font-weight: 800;
    }

    .filter-list a:hover,
    .filter-list a.active {
      color: #06110e;
      background: rgba(22,242,179,.18);
      border-color: rgba(22,242,179,.5);
      transform: translateX(2px);
    }

    .topic-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .topic-card,
    .entry-card,
    .related-card,
    .faq-item {
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      background: #fff;
      box-shadow: 0 12px 34px rgba(10,20,24,.07);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .topic-card:hover,
    .entry-card:hover,
    .related-card:hover,
    .faq-item:hover {
      transform: translateY(-3px);
      border-color: rgba(22,242,179,.55);
      box-shadow: 0 18px 42px rgba(10,20,24,.12);
    }

    .topic-card {
      padding: 20px;
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .topic-index {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
    }

    .index-num {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #06110e;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      font-weight: 950;
    }

    .topic-card h2,
    .entry-card h3,
    .related-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      font-weight: 900;
      line-height: 1.35;
      color: var(--text-dark);
    }

    .topic-card p,
    .entry-card p,
    .related-card p {
      margin: 0;
      color: var(--muted-dark);
      font-size: 15px;
    }

    .topic-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .topic-meta .tag {
      color: #193034;
      background: #eef4f3;
      border-color: #dbe7e5;
    }

    .feature-row {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
      align-items: stretch;
    }

    .feature-panel {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      box-shadow: var(--shadow-soft);
    }

    .feature-panel h2 {
      margin: 0 0 14px;
      font-size: 30px;
      font-weight: 900;
    }

    .feature-panel p {
      margin: 0 0 20px;
      color: rgba(237,243,242,.72);
    }

    .step-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 12px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.1);
    }

    .step-list b {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      color: #07110e;
      background: var(--primary);
    }

    .step-list strong {
      display: block;
      margin-bottom: 2px;
      font-weight: 900;
    }

    .step-list span {
      color: rgba(237,243,242,.68);
      font-size: 14px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .metric-card {
      min-height: 126px;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
    }

    .metric-card strong {
      display: block;
      margin-bottom: 8px;
      color: var(--primary);
      font-size: 30px;
      line-height: 1;
      font-weight: 950;
    }

    .metric-card span {
      color: rgba(237,243,242,.72);
      font-size: 14px;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .entry-card {
      padding: 18px;
      min-height: 240px;
      display: flex;
      flex-direction: column;
    }

    .entry-card.compact {
      min-height: 190px;
    }

    .entry-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .entry-icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #06110e;
      background: rgba(22,242,179,.82);
    }

    .entry-status {
      color: #0c6e54;
      background: rgba(22,242,179,.14);
      border: 1px solid rgba(22,242,179,.32);
      border-radius: 999px;
      padding: 6px 9px;
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .entry-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
      padding-top: 18px;
    }

    .entry-tags .tag {
      color: #2c4246;
      background: #f0f5f4;
      border-color: #dce8e6;
      font-size: 12px;
    }

    .related-scroll {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 16px;
      overflow-x: auto;
      padding-bottom: 8px;
      scrollbar-width: thin;
      scrollbar-color: rgba(22,242,179,.65) rgba(255,255,255,.08);
    }

    .related-card {
      min-height: 190px;
      padding: 20px;
      background: rgba(255,255,255,.07);
      border-color: rgba(255,255,255,.12);
      box-shadow: none;
    }

    .related-card h3 {
      color: var(--text);
    }

    .related-card p {
      color: rgba(237,243,242,.7);
    }

    .related-card .tag {
      margin-top: 16px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .faq-item {
      padding: 22px;
    }

    .faq-item h2 {
      margin: 0 0 10px;
      color: var(--text-dark);
      font-size: 19px;
      font-weight: 900;
    }

    .faq-item p {
      margin: 0;
      color: var(--muted-dark);
    }

    .cta-panel {
      position: relative;
      padding: 34px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(22,242,179,.28);
      background:
        linear-gradient(135deg, rgba(22,242,179,.16), rgba(255,207,90,.08)),
        rgba(255,255,255,.06);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 4vw, 42px);
      font-weight: 950;
    }

    .cta-panel p {
      max-width: 760px;
      margin: 0 0 22px;
      color: rgba(237,243,242,.76);
    }

    .site-footer {
      padding: 42px 0;
      border-top: 1px solid var(--line);
      background: #080b0d;
      color: rgba(237,243,242,.72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: start;
    }

    .footer-brand {
      margin-bottom: 8px;
      color: var(--text);
      font-size: 20px;
      font-weight: 950;
    }

    .copyright {
      margin-top: 14px;
      color: rgba(237,243,242,.48);
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
      max-width: 430px;
    }

    .footer-links a {
      padding: 8px 10px;
      border-radius: 999px;
      color: rgba(237,243,242,.7);
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
      font-weight: 750;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--primary);
      border-color: rgba(22,242,179,.3);
      background: rgba(22,242,179,.08);
    }

    .fixed-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 1001;
      display: flex;
      gap: 10px;
      padding: 10px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(8, 11, 13, .84);
      backdrop-filter: blur(16px);
      box-shadow: var(--shadow);
    }

    .fixed-cta .btn-custom {
      min-height: 46px;
      padding-inline: 16px;
    }

    @media (max-width: 1024px) {
      .nav-shell {
        grid-template-columns: auto minmax(220px, 1fr) auto;
      }

      .mobile-menu-btn {
        display: grid;
        place-items: center;
      }

      .nav-links {
        grid-column: 1 / -1;
        display: none;
        padding: 0 0 16px;
        overflow-x: auto;
      }

      .nav-links.show {
        display: flex;
      }

      .hero-grid,
      .topic-layout,
      .feature-row {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: static;
      }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 96px;
      }

      .site-container {
        width: min(100% - 24px, var(--container));
      }

      .nav-shell {
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding: 12px 0;
      }

      .brand-text {
        font-size: 16px;
        white-space: normal;
      }

      .search-wrap {
        grid-column: 1 / -1;
        order: 3;
      }

      .mobile-menu-btn {
        order: 2;
      }

      .nav-links {
        order: 4;
      }

      .page-hero {
        padding-top: 34px;
      }

      .hero-copy {
        padding: 0;
      }

      .hero-lead {
        font-size: 16px;
      }

      .choice-card.featured {
        transform: none;
      }

      .trust-grid,
      .topic-grid,
      .metric-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 52px 0;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

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

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

      .footer-links {
        justify-content: flex-start;
      }

      .fixed-cta {
        left: 10px;
        right: 10px;
        bottom: 10px;
        border-radius: 16px;
      }

      .fixed-cta .btn-custom {
        flex: 1 1 0;
        padding-inline: 10px;
        font-size: 14px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 34px;
      }

      .hero-actions,
      .cta-actions {
        display: grid;
        grid-template-columns: 1fr;
      }

      .btn-custom {
        width: 100%;
      }

      .choice-card,
      .feature-panel,
      .cta-panel {
        padding: 18px;
      }

      .trust-item {
        font-size: 14px;
      }

      .related-scroll {
        grid-auto-columns: minmax(230px, 86vw);
      }
    }