/* roulang page: index */
:root {
      --bg: #080a10;
      --bg-2: #0d111b;
      --panel: #111827;
      --panel-2: #151c2b;
      --panel-3: #0f1724;
      --text: #eef5ff;
      --muted: #9ba9bd;
      --soft: #c8d4e4;
      --line: rgba(180, 205, 255, .16);
      --line-strong: rgba(105, 245, 215, .38);
      --cyan: #4df5dc;
      --lime: #a7ff69;
      --violet: #9b7cff;
      --amber: #ffd166;
      --danger: #ff6b8b;
      --radius: 8px;
      --shadow: 0 18px 44px rgba(0, 0, 0, .35);
      --inner: inset 0 1px 0 rgba(255, 255, 255, .08);
      --max: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.65;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(77, 245, 220, .14), transparent 28%),
        radial-gradient(circle at 82% 14%, rgba(155, 124, 255, .16), transparent 30%),
        linear-gradient(180deg, #080a10 0%, #0d111b 46%, #080a10 100%);
      min-height: 100vh;
      padding-bottom: 86px;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .28;
      background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
      background-size: 38px 38px;
      mask-image: linear-gradient(to bottom, #000, transparent 78%);
      z-index: -1;
    }

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

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

    button,
    input {
      font: inherit;
    }

    .site-wrap {
      width: min(100% - 32px, var(--max));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(8, 10, 16, .86);
      backdrop-filter: blur(18px);
    }

    .nav-shell {
      width: min(100% - 32px, var(--max));
      min-height: 76px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 18px;
      align-items: center;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 210px;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 7px;
      display: grid;
      place-items: center;
      color: #06100e;
      background: linear-gradient(135deg, var(--cyan), var(--lime));
      box-shadow: 0 0 24px rgba(77, 245, 220, .28);
      font-weight: 900;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 15px;
      white-space: nowrap;
    }

    .brand-text span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 600;
    }

    .segment-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      justify-content: center;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 8px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(17, 24, 39, .72);
      box-shadow: var(--inner);
    }

    .segment-nav::-webkit-scrollbar {
      display: none;
    }

    .segment-nav a {
      flex: 0 0 auto;
      padding: 9px 15px;
      border-radius: 999px;
      color: var(--soft);
      font-size: 14px;
      font-weight: 700;
      border: 1px solid transparent;
    }

    .segment-nav a:hover,
    .segment-nav a:focus {
      color: var(--text);
      border-color: rgba(77, 245, 220, .45);
      background: rgba(77, 245, 220, .09);
      outline: none;
    }

    .segment-nav a.active {
      color: #07110f;
      background: linear-gradient(135deg, var(--cyan), var(--lime));
      box-shadow: 0 0 22px rgba(77, 245, 220, .2);
    }

    .segment-nav a.disabled {
      opacity: .45;
      cursor: not-allowed;
      pointer-events: none;
    }

    .nav-cta,
    .btn-main,
    .btn-ghost,
    .btn-mini {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 7px;
      font-weight: 800;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background-position .28s ease;
    }

    .nav-cta {
      min-height: 42px;
      padding: 0 18px;
      color: #06100e;
      background: linear-gradient(120deg, var(--cyan), var(--lime), var(--cyan));
      background-size: 220% 100%;
      box-shadow: 0 14px 28px rgba(77, 245, 220, .18);
      white-space: nowrap;
    }

    .nav-cta:hover,
    .btn-main:hover {
      transform: translateY(-2px);
      background-position: 100% 0;
      box-shadow: 0 18px 34px rgba(77, 245, 220, .24);
      color: #06100e;
    }

    .hero {
      padding: 58px 0 34px;
    }

    .hero-stage {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(77, 245, 220, .11), transparent 34%),
        linear-gradient(225deg, rgba(155, 124, 255, .16), transparent 42%),
        rgba(12, 17, 28, .92);
      box-shadow: var(--shadow), var(--inner);
      overflow: hidden;
      position: relative;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 4px;
      background: linear-gradient(90deg, var(--cyan), var(--violet), var(--lime));
      opacity: .92;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 22px;
      padding: 34px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid rgba(77, 245, 220, .34);
      color: var(--cyan);
      background: rgba(77, 245, 220, .08);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 760px;
      font-size: clamp(34px, 4.2vw, 60px);
      line-height: 1.08;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    .hero-copy {
      max-width: 720px;
      color: var(--soft);
      font-size: 17px;
      margin-bottom: 22px;
    }

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

    .btn-main {
      min-height: 48px;
      padding: 0 20px;
      border: 0;
      color: #06100e;
      background: linear-gradient(120deg, var(--cyan), var(--lime), var(--cyan));
      background-size: 220% 100%;
    }

    .btn-ghost {
      min-height: 48px;
      padding: 0 18px;
      border: 1px solid var(--line-strong);
      color: var(--text);
      background: rgba(255, 255, 255, .04);
    }

    .btn-ghost:hover,
    .btn-mini:hover {
      color: var(--cyan);
      border-color: var(--cyan);
      transform: translateY(-2px);
      background: rgba(77, 245, 220, .08);
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 24px;
      max-width: 640px;
    }

    .stat-pill {
      border: 1px solid var(--line);
      background: rgba(8, 10, 16, .42);
      border-radius: var(--radius);
      padding: 12px;
    }

    .stat-pill b {
      display: block;
      color: var(--cyan);
      font-size: 22px;
      line-height: 1.1;
    }

    .stat-pill span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .slot-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(7, 11, 19, .72);
      padding: 16px;
      box-shadow: var(--inner);
    }

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

    .slot-head h2 {
      font-size: 18px;
      margin: 0;
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--lime);
      font-size: 12px;
      font-weight: 800;
    }

    .status-dot::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--lime);
      box-shadow: 0 0 12px var(--lime);
    }

    .time-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-bottom: 14px;
    }

    .time-card {
      padding: 13px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .025));
      min-height: 88px;
    }

    .time-card.active {
      border-color: rgba(77, 245, 220, .62);
      box-shadow: 0 0 0 1px rgba(77, 245, 220, .15), 0 0 28px rgba(77, 245, 220, .08);
    }

    .time-card strong {
      display: block;
      font-size: 15px;
      margin-bottom: 4px;
    }

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

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

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

    .check-list li::before {
      content: "✓";
      flex: 0 0 20px;
      width: 20px;
      height: 20px;
      display: grid;
      place-items: center;
      border-radius: 5px;
      color: #07110f;
      background: var(--cyan);
      font-weight: 900;
      line-height: 1;
      margin-top: 2px;
    }

    .section {
      padding: 34px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: end;
      margin-bottom: 18px;
    }

    .section-head h2 {
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.15;
      margin-bottom: 8px;
    }

    .section-head p {
      color: var(--muted);
      max-width: 720px;
      margin-bottom: 0;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--soft);
      background: rgba(255, 255, 255, .04);
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 800;
    }

    .tag.hot {
      color: #07110f;
      border-color: transparent;
      background: linear-gradient(135deg, var(--amber), var(--lime));
    }

    .panel-card,
    .task-card,
    .matrix-card,
    .quote-card,
    .info-list,
    .compare-box,
    .calendar-box {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(21, 28, 43, .88), rgba(12, 17, 28, .88));
      box-shadow: var(--inner);
    }

    .task-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .task-card {
      padding: 18px;
      min-height: 190px;
      position: relative;
      overflow: hidden;
    }

    .task-card::before {
      content: "";
      position: absolute;
      inset: 0;
      border-top: 2px solid rgba(77, 245, 220, .55);
      opacity: .7;
      pointer-events: none;
    }

    .task-card:hover,
    .matrix-card:hover,
    .quote-card:hover {
      transform: translateY(-3px);
      border-color: rgba(77, 245, 220, .38);
      box-shadow: 0 18px 34px rgba(0, 0, 0, .28);
    }

    .task-icon {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 7px;
      color: #06100e;
      background: linear-gradient(135deg, var(--cyan), var(--violet));
      font-weight: 900;
      margin-bottom: 12px;
    }

    .task-card h3,
    .matrix-card h3,
    .quote-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .task-card p,
    .matrix-card p,
    .quote-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 14px;
    }

    .progress-line {
      height: 7px;
      border-radius: 99px;
      background: rgba(255, 255, 255, .08);
      overflow: hidden;
    }

    .progress-line span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--lime));
    }

    .app-board {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 16px;
    }

    .filter-panel {
      padding: 18px;
    }

    .search-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      margin-bottom: 14px;
    }

    .search-box input {
      height: 46px;
      border-radius: 7px;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(8, 10, 16, .8);
      box-shadow: none;
      margin: 0;
    }

    .search-box input:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(77, 245, 220, .12);
      background: rgba(8, 10, 16, .9);
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .chip {
      border: 1px solid var(--line);
      color: var(--soft);
      background: rgba(255, 255, 255, .04);
      border-radius: 999px;
      padding: 7px 10px;
      font-size: 13px;
      font-weight: 800;
    }

    .chip.active,
    .chip:hover {
      color: #07110f;
      border-color: transparent;
      background: linear-gradient(135deg, var(--cyan), var(--lime));
    }

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

    .matrix-card {
      padding: 16px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .matrix-card .meta {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      align-items: center;
      margin-top: 12px;
    }

    .btn-mini {
      min-height: 34px;
      padding: 0 12px;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(255, 255, 255, .04);
      font-size: 13px;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      counter-reset: step;
    }

    .step-card {
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(17, 24, 39, .74);
      position: relative;
      min-height: 160px;
    }

    .step-card::before {
      counter-increment: step;
      content: "0" counter(step);
      display: inline-flex;
      margin-bottom: 12px;
      color: var(--cyan);
      font-weight: 900;
      font-size: 22px;
    }

    .step-card h3 {
      font-size: 16px;
      margin-bottom: 7px;
    }

    .step-card p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .calendar-box {
      padding: 18px;
    }

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

    .date-list li {
      display: grid;
      grid-template-columns: 86px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(8, 10, 16, .42);
    }

    .date-list time {
      color: var(--cyan);
      font-weight: 900;
    }

    .date-list strong {
      display: block;
      margin-bottom: 2px;
    }

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

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .compare-box {
      padding: 18px;
    }

    .compare-box.highlight {
      border-color: rgba(77, 245, 220, .45);
      background:
        linear-gradient(135deg, rgba(77, 245, 220, .1), transparent 40%),
        linear-gradient(180deg, rgba(21, 28, 43, .94), rgba(12, 17, 28, .94));
    }

    .compare-box h3 {
      font-size: 20px;
      margin-bottom: 12px;
    }

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

    .compare-list li {
      color: var(--soft);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      padding-bottom: 9px;
    }

    .quotes {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .quote-card {
      padding: 18px;
    }

    .rating {
      display: flex;
      gap: 4px;
      color: var(--amber);
      margin-bottom: 10px;
      letter-spacing: 0;
    }

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

    .info-list {
      padding: 8px;
    }

    .info-item {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid transparent;
    }

    .info-item + .info-item {
      border-top: 1px solid rgba(255, 255, 255, .07);
      border-radius: 0;
    }

    .info-item:hover {
      border-color: rgba(77, 245, 220, .22);
      background: rgba(77, 245, 220, .055);
    }

    .info-item h3 {
      font-size: 16px;
      margin-bottom: 4px;
    }

    .info-item p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .side-reco {
      padding: 18px;
    }

    .mini-stack {
      display: grid;
      gap: 10px;
      margin-top: 12px;
    }

    .mini-stack a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      color: var(--soft);
      background: rgba(255, 255, 255, .035);
      font-weight: 800;
    }

    .mini-stack a:hover {
      color: var(--cyan);
      border-color: rgba(77, 245, 220, .42);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 18px;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(17, 24, 39, .75);
      margin-bottom: 10px;
    }

    .accordion-title {
      color: var(--text);
      border: 0;
      font-size: 16px;
      font-weight: 900;
      padding: 16px 46px 16px 16px;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--cyan);
      background: rgba(77, 245, 220, .06);
      outline: none;
    }

    .accordion-content {
      color: var(--muted);
      border: 0;
      border-top: 1px solid var(--line);
      background: rgba(8, 10, 16, .46);
      padding: 16px;
    }

    .cta-section {
      padding: 38px 0 54px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid rgba(77, 245, 220, .36);
      background:
        linear-gradient(120deg, rgba(77, 245, 220, .13), transparent 34%),
        linear-gradient(280deg, rgba(155, 124, 255, .18), transparent 45%),
        rgba(17, 24, 39, .88);
      box-shadow: var(--shadow), var(--inner);
    }

    .cta-panel h2 {
      font-size: 28px;
      margin-bottom: 8px;
    }

    .cta-panel p {
      color: var(--soft);
      margin: 0;
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: rgba(8, 10, 16, .82);
      padding: 30px 0;
    }

    .footer-grid {
      width: min(100% - 32px, var(--max));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
    }

    .footer-brand {
      font-weight: 900;
      margin-bottom: 6px;
    }

    .footer-note,
    .copyright {
      color: var(--muted);
      font-size: 13px;
      margin: 0;
    }

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

    .footer-links a {
      color: var(--soft);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 7px 10px;
      font-size: 13px;
      font-weight: 800;
    }

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

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 16px;
      transform: translateX(-50%);
      z-index: 60;
      width: min(calc(100% - 24px), 980px);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 12px;
      border: 1px solid rgba(77, 245, 220, .36);
      border-radius: var(--radius);
      background: rgba(9, 13, 22, .92);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 48px rgba(0, 0, 0, .42), var(--inner);
    }

    .fixed-cta strong {
      display: block;
      font-size: 15px;
    }

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

    @media screen and (max-width: 1024px) {
      .nav-shell {
        grid-template-columns: 1fr auto;
        padding: 12px 0;
      }

      .segment-nav {
        grid-column: 1 / -1;
        justify-content: flex-start;
        order: 3;
      }

      .hero-grid,
      .app-board,
      .news-layout,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

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

    @media screen and (max-width: 768px) {
      body {
        padding-bottom: 118px;
      }

      .site-wrap,
      .nav-shell,
      .footer-grid {
        width: min(100% - 22px, var(--max));
      }

      .brand {
        min-width: 0;
      }

      .brand-text strong {
        white-space: normal;
        font-size: 14px;
      }

      .nav-cta {
        padding: 0 12px;
        font-size: 13px;
      }

      .hero {
        padding-top: 26px;
      }

      .hero-grid {
        padding: 20px;
      }

      .hero-stats,
      .task-grid,
      .quotes,
      .compare-grid,
      .entry-matrix {
        grid-template-columns: 1fr;
      }

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

      .fixed-cta {
        align-items: stretch;
      }

      .fixed-cta .btn-main {
        width: 100%;
      }

      .date-list li {
        grid-template-columns: 1fr;
      }

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

    @media screen and (max-width: 520px) {
      h1 {
        font-size: 31px;
      }

      .hero-copy {
        font-size: 15px;
      }

      .hero-actions .btn-main,
      .hero-actions .btn-ghost,
      .inline-actions .btn-main,
      .inline-actions .btn-ghost {
        width: 100%;
      }

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

      .segment-nav a {
        padding: 8px 12px;
        font-size: 13px;
      }

      .info-item {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #0b0f14;
      --bg-soft: #111720;
      --bg-strong: #0f141c;
      --panel: #151c26;
      --panel-2: #182231;
      --panel-3: #1d2839;
      --line: rgba(171, 185, 214, 0.14);
      --line-strong: rgba(171, 185, 214, 0.24);
      --text: #ecf3ff;
      --muted: #9ba9bf;
      --muted-2: #7b889d;
      --primary: #55e6c1;
      --primary-2: #7b7dff;
      --accent: #f0b65f;
      --danger: #ff6f7d;
      --success: #4ae0a5;
      --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
      --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.22);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --section-gap: 88px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background:
        linear-gradient(180deg, rgba(16, 22, 31, 0.96) 0%, rgba(11, 15, 20, 1) 20%, rgba(11, 15, 20, 1) 100%),
        linear-gradient(135deg, rgba(123, 125, 255, 0.12), transparent 32%, transparent 68%, rgba(85, 230, 193, 0.08));
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      padding-bottom: 120px;
      min-height: 100vh;
      overflow-x: hidden;
      position: relative;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 90%);
      opacity: 0.36;
      z-index: 0;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 10px);
      opacity: 0.08;
      z-index: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 180ms ease, opacity 180ms ease, transform 180ms ease, border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
    }

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

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

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 2px solid rgba(85, 230, 193, 0.9);
      outline-offset: 2px;
    }

    .page {
      position: relative;
      z-index: 1;
    }

    .grid-container {
      max-width: var(--container);
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(12, 17, 24, 0.78);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid transparent;
      transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    }

    .topbar.is-scrolled {
      background: rgba(12, 17, 24, 0.94);
      border-bottom-color: var(--line);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .nav-shell {
      max-width: var(--container);
      margin: 0 auto;
      padding: 16px 18px;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      align-items: center;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      font-weight: 800;
      font-size: 1.05rem;
      color: #06111b;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset, 0 8px 24px rgba(123, 125, 255, 0.24);
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-text strong {
      font-size: 1rem;
      line-height: 1.2;
      letter-spacing: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-text span {
      margin-top: 2px;
      color: var(--muted);
      font-size: 0.78rem;
      line-height: 1.2;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .segment-nav {
      display: flex;
      gap: 8px;
      justify-content: center;
      align-items: center;
      overflow-x: auto;
      padding: 2px 0;
      scrollbar-width: thin;
      scrollbar-color: rgba(255,255,255,.22) transparent;
    }

    .segment-nav::-webkit-scrollbar,
    .chip-row::-webkit-scrollbar {
      height: 8px;
    }

    .segment-nav::-webkit-scrollbar-thumb,
    .chip-row::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.18);
      border-radius: 999px;
    }

    .segment-nav a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      border: 1px solid transparent;
      background: rgba(255, 255, 255, 0.04);
      color: var(--muted);
      font-size: 0.92rem;
      white-space: nowrap;
      flex: 0 0 auto;
    }

    .segment-nav a:hover {
      border-color: rgba(255, 255, 255, 0.16);
      color: var(--text);
      transform: translateY(-1px);
      background: rgba(255, 255, 255, 0.06);
    }

    .segment-nav a.active {
      color: #071019;
      background: linear-gradient(135deg, var(--primary), #8ef4da);
      border-color: rgba(85, 230, 193, 0.45);
      box-shadow: 0 10px 24px rgba(85, 230, 193, 0.18);
      font-weight: 700;
    }

    .segment-nav a.disabled {
      opacity: 0.38;
      cursor: not-allowed;
      pointer-events: none;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 16px;
      border-radius: 8px;
      background: linear-gradient(135deg, rgba(123, 125, 255, 0.95), rgba(85, 230, 193, 0.9));
      color: #08111a;
      font-weight: 800;
      border: 0;
      box-shadow: 0 10px 24px rgba(123, 125, 255, 0.22);
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-1px);
      box-shadow: 0 14px 28px rgba(85, 230, 193, 0.2);
      color: #08111a;
    }

    .section {
      padding: var(--section-gap) 0;
    }

    .section-head {
      margin-bottom: 24px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #b8feef;
      background: rgba(85, 230, 193, 0.08);
      border: 1px solid rgba(85, 230, 193, 0.16);
      font-size: 0.82rem;
      margin-bottom: 14px;
      white-space: nowrap;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 4px rgba(85, 230, 193, 0.16);
    }

    h1,
    h2,
    h3,
    h4 {
      margin: 0;
      letter-spacing: 0;
      color: var(--text);
      line-height: 1.2;
    }

    h1 {
      font-size: 3rem;
      max-width: 11.5ch;
    }

    h2 {
      font-size: 1.9rem;
    }

    h3 {
      font-size: 1.18rem;
    }

    p {
      margin: 0;
      color: var(--muted);
    }

    .hero {
      padding: 48px 0 24px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy,
    .hero-board,
    .panel {
      position: relative;
      background: linear-gradient(180deg, rgba(24, 32, 45, 0.95), rgba(16, 22, 31, 0.96));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }

    .hero-copy {
      padding: 30px;
      overflow: hidden;
    }

    .hero-copy::after,
    .panel::after,
    .entry-card::after,
    .feature-card::after,
    .compare-card::after,
    .quote-card::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      pointer-events: none;
      background: linear-gradient(135deg, rgba(255,255,255,0.04), transparent 30%, transparent 70%, rgba(123,125,255,0.08));
      opacity: 0.8;
    }

    .hero-copy > *,
    .hero-board > *,
    .panel > *,
    .entry-card > *,
    .feature-card > *,
    .compare-card > *,
    .quote-card > * {
      position: relative;
      z-index: 1;
    }

    .hero-lead {
      font-size: 1.06rem;
      line-height: 1.8;
      max-width: 44rem;
      margin-top: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
      align-items: center;
    }

    .button,
    .action-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-radius: 8px;
      border: 1px solid transparent;
      font-weight: 800;
      padding: 13px 18px;
      transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
      margin: 0;
      line-height: 1;
    }

    .button.primary,
    .action-button.primary {
      color: #071019;
      background: linear-gradient(135deg, var(--primary), #8ef4da);
      box-shadow: 0 12px 26px rgba(85, 230, 193, 0.2);
    }

    .button.secondary,
    .action-button.secondary {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      border-color: var(--line);
    }

    .button:hover,
    .action-button:hover {
      transform: translateY(-1px);
    }

    .button.secondary:hover,
    .action-button.secondary:hover {
      border-color: rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.07);
      color: var(--text);
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.03);
      color: #d9e6ff;
      font-size: 0.83rem;
      white-space: nowrap;
    }

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

    .hero-board {
      padding: 18px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      gap: 16px;
      min-height: 100%;
    }

    .board-top {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .mini-stat {
      padding: 14px 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.035);
      min-height: 90px;
    }

    .mini-stat strong {
      display: block;
      font-size: 1.35rem;
      line-height: 1.1;
      color: #f2fbff;
    }

    .mini-stat span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 0.86rem;
      line-height: 1.45;
    }

    .visual-frame {
      border: 1px solid rgba(255,255,255,0.09);
      border-radius: 8px;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(21, 28, 38, 0.98), rgba(13, 18, 25, 0.98));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
    }

    .board-note {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding-top: 2px;
    }

    .board-note .tag {
      background: rgba(85, 230, 193, 0.06);
      border-color: rgba(85, 230, 193, 0.14);
    }

    .feature-grid,
    .quote-grid,
    .compare-grid,
    .entry-grid {
      display: grid;
      gap: 16px;
    }

    .feature-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .quote-grid,
    .compare-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .feature-card,
    .compare-card,
    .quote-card,
    .entry-card {
      position: relative;
      background: linear-gradient(180deg, rgba(24, 33, 46, 0.95), rgba(17, 24, 33, 0.98));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      min-height: 100%;
      transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
    }

    .feature-card:hover,
    .compare-card:hover,
    .quote-card:hover,
    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(85, 230, 193, 0.22);
      box-shadow: 0 16px 34px rgba(0, 0, 0, 0.3);
    }

    .card-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8rem;
      color: #c9fff1;
      background: rgba(85, 230, 193, 0.08);
      border: 1px solid rgba(85, 230, 193, 0.18);
      padding: 6px 10px;
      border-radius: 999px;
      margin-bottom: 14px;
      white-space: nowrap;
    }

    .card-kicker i {
      color: var(--primary);
    }

    .feature-card p,
    .compare-card p,
    .quote-card p,
    .entry-card p {
      margin-top: 10px;
      color: var(--muted);
      line-height: 1.7;
    }

    .stat-line {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .stat-line .tag {
      background: rgba(255, 255, 255, 0.035);
    }

    .section-label {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }

    .section-label p {
      max-width: 54rem;
    }

    .toolbar {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      align-items: end;
      margin-bottom: 18px;
    }

    .tool-group {
      display: grid;
      gap: 10px;
    }

    .tool-group label {
      font-size: 0.82rem;
      color: var(--muted);
    }

    .toolbox {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 180px auto auto;
      gap: 10px;
      align-items: center;
    }

    .toolbox input,
    .toolbox select {
      margin: 0;
      height: 46px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--line);
      color: var(--text);
      box-shadow: none;
      padding-left: 14px;
      padding-right: 14px;
    }

    .toolbox input::placeholder {
      color: var(--muted-2);
    }

    .toolbox select {
      background-image:
        linear-gradient(45deg, transparent 50%, var(--muted) 50%),
        linear-gradient(135deg, var(--muted) 50%, transparent 50%),
        linear-gradient(to right, transparent, transparent);
      background-position:
        calc(100% - 18px) 19px,
        calc(100% - 12px) 19px,
        0 0;
      background-size: 6px 6px, 6px 6px, 100% 100%;
      background-repeat: no-repeat;
      padding-right: 40px;
    }

    .toolbox input:focus,
    .toolbox select:focus {
      border-color: rgba(85, 230, 193, 0.42);
      background-color: rgba(255, 255, 255, 0.05);
    }

    .chip-row {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding-bottom: 4px;
      scrollbar-width: thin;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.035);
      color: var(--text);
      padding: 9px 12px;
      border-radius: 999px;
      font-size: 0.84rem;
      white-space: nowrap;
      transition: all 180ms ease;
    }

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

    .chip:hover {
      border-color: rgba(255, 255, 255, 0.22);
      transform: translateY(-1px);
      background: rgba(255, 255, 255, 0.055);
    }

    .chip.is-active {
      color: #071019;
      background: linear-gradient(135deg, #8ef4da, var(--primary));
      border-color: rgba(85, 230, 193, 0.5);
      font-weight: 700;
    }

    .chip.is-active i {
      color: #071019;
    }

    .chip.is-disabled {
      opacity: 0.4;
      cursor: not-allowed;
      pointer-events: none;
    }

    .result-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 12px;
    }

    .result-count {
      color: #cae4ff;
      font-size: 0.92rem;
    }

    .entry-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

    .entry-card h3 {
      font-size: 1.08rem;
      margin-top: 2px;
    }

    .entry-card .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .entry-card .entry-meta .tag {
      padding: 6px 9px;
      font-size: 0.8rem;
    }

    .entry-card .entry-action {
      margin-top: 16px;
      display: flex;
      justify-content: space-between;
      gap: 10px;
      align-items: center;
    }

    .entry-card .entry-action a {
      color: #08111a;
      background: linear-gradient(135deg, var(--primary), #9cf7e4);
      border-radius: 8px;
      padding: 10px 14px;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 10px 20px rgba(85, 230, 193, 0.15);
      white-space: nowrap;
    }

    .entry-card .entry-action a:hover {
      transform: translateY(-1px);
      box-shadow: 0 14px 24px rgba(85, 230, 193, 0.18);
    }

    .entry-card .entry-action .sub-link {
      color: var(--muted);
      font-size: 0.84rem;
      white-space: nowrap;
    }

    .compare-grid .compare-card ul {
      margin: 12px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .compare-grid .compare-card li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      line-height: 1.65;
    }

    .compare-grid .compare-card li i {
      margin-top: 4px;
      color: var(--primary);
      flex: 0 0 auto;
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .timeline-step {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(24, 33, 46, 0.95), rgba(16, 22, 31, 0.96));
      position: relative;
      overflow: hidden;
    }

    .timeline-step::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: linear-gradient(180deg, var(--primary), var(--primary-2));
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 8px;
      color: #08111a;
      background: linear-gradient(135deg, var(--primary), #8ef4da);
      font-weight: 900;
      margin-bottom: 14px;
    }

    .timeline-step p {
      margin-top: 10px;
    }

    .trust-strip {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .trust-item {
      padding: 14px 16px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.035);
    }

    .trust-item strong {
      display: block;
      font-size: 1.25rem;
      color: #f7fbff;
      line-height: 1.1;
    }

    .trust-item span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 0.86rem;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    details.faq-item {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(24, 33, 46, 0.95), rgba(16, 22, 31, 0.96));
      overflow: hidden;
    }

    details.faq-item[open] {
      border-color: rgba(85, 230, 193, 0.22);
    }

    details.faq-item summary {
      list-style: none;
      padding: 18px 20px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--text);
      font-weight: 700;
    }

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

    details.faq-item summary::after {
      content: "\f107";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--muted);
      transition: transform 180ms ease, color 180ms ease;
    }

    details.faq-item[open] summary::after {
      transform: rotate(180deg);
      color: var(--primary);
    }

    .faq-body {
      padding: 0 20px 18px;
      color: var(--muted);
      line-height: 1.75;
    }

    .cta-band {
      margin-top: 12px;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid rgba(85, 230, 193, 0.18);
      background:
        linear-gradient(135deg, rgba(85, 230, 193, 0.12), rgba(123, 125, 255, 0.11)),
        linear-gradient(180deg, rgba(24, 33, 46, 0.98), rgba(16, 22, 31, 0.98));
      box-shadow: var(--shadow-soft);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
    }

    .cta-band p {
      margin-top: 10px;
      max-width: 52rem;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 24px 0 20px;
      border-top: 1px solid var(--line);
      background: rgba(10, 14, 20, 0.7);
    }

    .footer-grid {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 18px;
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) auto;
      gap: 20px;
      align-items: start;
    }

    .footer-brand {
      font-size: 1.08rem;
      font-weight: 800;
      color: #f1f7ff;
      margin-bottom: 8px;
    }

    .footer-note {
      max-width: 42rem;
      color: var(--muted);
      line-height: 1.7;
    }

    .copyright {
      margin-top: 10px;
      color: var(--muted-2);
      font-size: 0.88rem;
    }

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

    .footer-links a {
      color: #d5e4ff;
      font-size: 0.92rem;
    }

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

    .bottom-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 25;
      background: rgba(13, 18, 26, 0.96);
      border-top: 1px solid var(--line);
      box-shadow: 0 -10px 24px rgba(0, 0, 0, 0.24);
      backdrop-filter: blur(14px);
    }

    .bottom-cta .bar {
      max-width: var(--container);
      margin: 0 auto;
      padding: 12px 18px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
    }

    .bottom-cta p {
      color: #d5e4ff;
      font-size: 0.95rem;
      line-height: 1.5;
    }

    .bottom-cta .button {
      padding: 11px 14px;
    }

    .subtle-divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
      margin: 22px 0;
    }

    .is-hidden {
      display: none !important;
    }

    @media (max-width: 1140px) {
      h1 {
        font-size: 2.6rem;
      }

      .hero-grid,
      .feature-grid,
      .entry-grid,
      .quote-grid,
      .compare-grid,
      .timeline,
      .trust-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .cta-band,
      .toolbar,
      .footer-grid,
      .nav-shell {
        grid-template-columns: 1fr;
      }

      .segment-nav {
        justify-content: flex-start;
      }

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

      .toolbox {
        grid-template-columns: minmax(0, 1fr) repeat(3, auto);
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 132px;
      }

      .nav-shell {
        gap: 12px;
        padding: 14px 16px;
      }

      .brand-text span {
        white-space: normal;
      }

      .hero {
        padding-top: 28px;
      }

      h1 {
        font-size: 2.2rem;
        max-width: 100%;
      }

      h2 {
        font-size: 1.5rem;
      }

      .hero-grid,
      .feature-grid,
      .entry-grid,
      .quote-grid,
      .compare-grid,
      .timeline,
      .trust-strip {
        grid-template-columns: 1fr;
      }

      .hero-copy,
      .hero-board,
      .panel,
      .feature-card,
      .compare-card,
      .quote-card,
      .entry-card,
      .timeline-step,
      .cta-band {
        padding: 18px;
      }

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

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

      .bottom-cta .bar {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: stretch;
      }

      .cta-actions .button,
      .bottom-cta .button {
        width: 100%;
      }

      .footer-links {
        justify-items: start;
      }

      .board-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 1.9rem;
      }

      .hero-lead,
      .section-label p,
      .cta-band p,
      .footer-note,
      .faq-body {
        font-size: 0.95rem;
      }

      .segment-nav a,
      .chip {
        font-size: 0.8rem;
        padding-left: 11px;
        padding-right: 11px;
      }

      .brand-mark {
        width: 40px;
        height: 40px;
      }

      .brand-text strong {
        white-space: normal;
      }

      .hero-actions,
      .stat-line,
      .hero-points {
        gap: 8px;
      }
    }

/* roulang page: category2 */
:root{
  --bg:#0b0f14;
  --bg-2:#0f141c;
  --panel:#131a23;
  --panel-2:#18212d;
  --line:#253041;
  --line-soft:#1b2431;
  --text:#e7eef7;
  --muted:#95a4b8;
  --faint:#6f7d90;
  --accent:#2fe3b7;
  --accent-2:#7c6cff;
  --accent-3:#11c4ff;
  --warn:#ffcc66;
  --shadow:0 16px 34px rgba(0,0,0,.34);
  --shadow-soft:0 10px 22px rgba(0,0,0,.22);
  --radius:8px;
  --container:1180px;
}
*,
*::before,
*::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  background:
    linear-gradient(180deg, rgba(17,23,31,.98) 0%, rgba(11,15,20,1) 40%, rgba(9,12,17,1) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0 1px, transparent 1px 84px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  padding-bottom:9.5rem;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(135deg, rgba(47,227,183,.08) 0%, transparent 35%, transparent 65%, rgba(124,108,255,.08) 100%);
  opacity:.72;
}
a{
  color:inherit;
  text-decoration:none;
}
a:hover,
a:focus{
  color:inherit;
}
img{
  max-width:100%;
  display:block;
}
button,
input,
select,
textarea{
  font:inherit;
}
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
::selection{
  background:rgba(47,227,183,.25);
  color:var(--text);
}
h1,
h2,
h3,
h4,
p{
  margin-top:0;
  overflow-wrap:anywhere;
}
.grid-container{
  max-width:var(--container);
}
.topbar{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(11,15,20,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.nav-shell{
  max-width:var(--container);
  margin:0 auto;
  padding:.84rem 1rem;
  display:flex;
  align-items:center;
  gap:.9rem;
}
.brand{
  display:flex;
  align-items:center;
  gap:.72rem;
  min-width:260px;
  flex:0 0 auto;
}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:8px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, rgba(47,227,183,.98), rgba(124,108,255,.92));
  color:#071016;
  font-weight:800;
  box-shadow:0 10px 22px rgba(47,227,183,.16);
}
.brand-text strong{
  display:block;
  font-size:.98rem;
  line-height:1.2;
  letter-spacing:0;
}
.brand-text span{
  display:block;
  font-size:.79rem;
  color:var(--muted);
  line-height:1.3;
  letter-spacing:0;
}
.segment-nav{
  display:flex;
  align-items:center;
  gap:.45rem;
  flex:1 1 auto;
  justify-content:center;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-bottom:.15rem;
}
.segment-nav::-webkit-scrollbar{
  display:none;
}
.segment-nav a{
  flex:0 0 auto;
  white-space:nowrap;
  padding:.56rem .92rem;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(19,26,35,.86);
  color:var(--muted);
  font-size:.92rem;
  line-height:1.1;
  transition:transform .18s ease, border-color .18s ease, color .18s ease, background .18s ease, box-shadow .18s ease;
}
.segment-nav a:hover{
  color:var(--text);
  border-color:rgba(47,227,183,.42);
  transform:translateY(-1px);
}
.segment-nav a.active{
  background:linear-gradient(135deg, rgba(47,227,183,.98), rgba(124,108,255,.92));
  border-color:transparent;
  color:#071016;
  font-weight:800;
  box-shadow:0 10px 22px rgba(47,227,183,.18);
}
.segment-nav a.disabled{
  opacity:.42;
  pointer-events:none;
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.35rem;
  padding:.72rem 1rem;
  border-radius:8px;
  background:linear-gradient(135deg, rgba(47,227,183,.98), rgba(124,108,255,.92));
  color:#061017;
  font-weight:800;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, filter .18s ease;
  box-shadow:0 10px 22px rgba(47,227,183,.12);
}
.nav-cta:hover{
  transform:translateY(-1px);
  filter:saturate(1.05);
}
.page-main{
  position:relative;
  z-index:1;
}
.hero-panel{
  padding:1.15rem 0 1rem;
}
.hero-stage{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.01)),
    linear-gradient(135deg, rgba(47,227,183,.08), rgba(124,108,255,.08));
  box-shadow:var(--shadow);
}
.hero-stage::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:100% 30px, 30px 100%;
  opacity:.22;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  padding:1.15rem;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.34rem .58rem;
  border-radius:999px;
  border:1px solid rgba(47,227,183,.2);
  background:rgba(13,18,25,.95);
  color:var(--accent);
  font-size:.82rem;
  font-weight:800;
  margin-bottom:.75rem;
}
.hero-kicker::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(47,227,183,.12);
}
.hero h1{
  margin:0 0 .8rem;
  max-width:12ch;
  font-size:2.12rem;
  line-height:1.12;
  letter-spacing:0;
}
.hero-copy{
  max-width:60ch;
  color:var(--muted);
  font-size:1rem;
  line-height:1.75;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-top:1rem;
}
.button{
  border-radius:8px;
  padding:.8rem 1rem;
  border:1px solid transparent;
  font-weight:800;
  line-height:1.1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover{
  transform:translateY(-1px);
}
.button svg{
  width:16px;
  height:16px;
  flex:0 0 auto;
}
.primary-btn{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#051018;
  box-shadow:0 12px 24px rgba(47,227,183,.14);
}
.secondary-btn{
  background:rgba(18,25,34,.92);
  color:var(--text);
  border-color:var(--line);
}
.ghost-btn{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.notice-line{
  margin-top:.95rem;
  display:flex;
  flex-wrap:wrap;
  gap:.55rem .8rem;
  color:var(--faint);
  font-size:.84rem;
}
.notice-line span{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
}
.notice-line span::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--warn);
  box-shadow:0 0 0 4px rgba(255,204,102,.08);
}
.hero-visual{
  position:relative;
  border-left:1px solid rgba(255,255,255,.05);
  padding:1rem 1rem 1rem 1.15rem;
}
.hero-visual-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:.8rem;
}
.mini-tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.3rem .5rem;
  border-radius:999px;
  border:1px solid rgba(124,108,255,.22);
  background:rgba(124,108,255,.12);
  color:#bfb8ff;
  font-size:.75rem;
  font-weight:800;
}
.hero-visual strong{
  display:block;
  margin-top:.35rem;
  font-size:1.08rem;
  line-height:1.25;
}
.hero-visual p{
  margin:.45rem 0 0;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.65;
  max-width:34ch;
}
.task-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.75rem;
  margin-top:.95rem;
}
.task-card{
  min-height:140px;
  padding:.9rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(17,23,31,.92);
  box-shadow:var(--shadow-soft);
}
.task-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:.5rem;
  margin-bottom:.6rem;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:.3rem;
  padding:.28rem .5rem;
  border-radius:999px;
  font-size:.73rem;
  font-weight:800;
  line-height:1.1;
  border:1px solid transparent;
}
.badge.ok{
  color:var(--accent);
  background:rgba(47,227,183,.12);
  border-color:rgba(47,227,183,.18);
}
.badge.warn{
  color:var(--warn);
  background:rgba(255,204,102,.12);
  border-color:rgba(255,204,102,.18);
}
.badge.dim{
  color:var(--muted);
  background:rgba(141,155,173,.08);
  border-color:rgba(141,155,173,.12);
}
.task-card h3{
  margin:0;
  font-size:1rem;
  line-height:1.25;
}
.task-card p{
  margin:.45rem 0 0;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.6;
}
.progress{
  margin-top:.72rem;
  height:4px;
  border-radius:999px;
  background:var(--line-soft);
  overflow:hidden;
}
.progress span{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
}
.page-section{
  padding:1rem 0 1.2rem;
}
.section-head{
  display:flex;
  flex-direction:column;
  gap:.42rem;
  margin-bottom:1rem;
}
.section-kicker{
  color:var(--accent);
  font-size:.82rem;
  font-weight:800;
}
.section-head h2{
  margin:0;
  font-size:1.34rem;
  line-height:1.22;
}
.section-head p{
  margin:0;
  max-width:68ch;
  color:var(--muted);
  line-height:1.7;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.85rem;
}
.entry-tile{
  display:flex;
  flex-direction:column;
  min-height:100%;
  padding:1rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--panel);
  box-shadow:var(--shadow-soft);
}
.entry-tile.active{
  border-color:rgba(47,227,183,.36);
  box-shadow:0 0 0 1px rgba(47,227,183,.08), var(--shadow-soft);
}
.tile-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:.8rem;
  margin-bottom:.65rem;
}
.entry-tile h3{
  margin:0;
  font-size:1.05rem;
  line-height:1.3;
}
.entry-tile p{
  margin:.35rem 0 .8rem;
  color:var(--muted);
  line-height:1.65;
}
.check-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.55rem;
}
.check-list li{
  display:flex;
  gap:.5rem;
  align-items:flex-start;
  color:var(--muted);
  line-height:1.55;
}
.check-list li::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:2px;
  margin-top:.42rem;
  flex:0 0 auto;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
}
.tile-actions{
  margin-top:auto;
  display:flex;
  gap:.55rem;
  flex-wrap:wrap;
  padding-top:.85rem;
}
.small-btn{
  padding:.66rem .84rem;
  font-size:.9rem;
}
.route-strip{
  margin-top:.85rem;
  padding:.88rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(17,23,31,.8);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.52rem;
}
.route-label{
  color:var(--faint);
  font-size:.82rem;
  font-weight:700;
}
.route-step{
  display:inline-flex;
  align-items:center;
  gap:.25rem;
  padding:.44rem .68rem;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(11,15,20,.65);
  color:var(--text);
  font-size:.88rem;
}
.route-step.current{
  border-color:rgba(47,227,183,.32);
  color:var(--accent);
}
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.85rem;
}
.compare-card{
  padding:1rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  box-shadow:var(--shadow-soft);
}
.compare-card h3{
  margin:0 0 .5rem;
  font-size:1.04rem;
  line-height:1.3;
}
.compare-card p{
  margin:0 0 .75rem;
  color:var(--muted);
  line-height:1.7;
}
.compare-card .check-list li{
  color:var(--text);
}
.compare-card .check-list li span{
  color:var(--muted);
}
.proof-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:.75rem;
  margin-bottom:.9rem;
}
.stat-box{
  padding:.95rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(17,23,31,.9);
  box-shadow:var(--shadow-soft);
}
.stat-box strong{
  display:block;
  margin-bottom:.28rem;
  font-size:1.28rem;
  line-height:1;
}
.stat-box span{
  color:var(--muted);
  font-size:.85rem;
  line-height:1.5;
}
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.75rem;
}
.quote-card{
  padding:1rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--panel);
  box-shadow:var(--shadow-soft);
}
.quote-card p{
  margin:0;
  color:var(--text);
  line-height:1.7;
}
.quote-card footer{
  margin-top:.7rem;
  color:var(--muted);
  font-size:.84rem;
}
.faq-wrap .accordion{
  margin:0;
  background:transparent;
}
.faq-wrap .accordion-item{
  margin-bottom:.65rem;
  border:none;
}
.faq-wrap .accordion-title{
  position:relative;
  padding:1rem 1rem 1rem 2.4rem;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--panel);
  color:var(--text);
  line-height:1.5;
  font-size:1rem;
}
.faq-wrap .accordion-title:hover{
  background:#182130;
  color:var(--text);
}
.faq-wrap .accordion-title::before{
  content:"+";
  position:absolute;
  left:1rem;
  top:50%;
  transform:translateY(-50%);
  color:var(--accent);
  font-weight:900;
}
.faq-wrap .accordion-content{
  margin-top:-1px;
  padding:1rem;
  border:1px solid var(--line);
  border-top:0;
  border-radius:0 0 8px 8px;
  background:rgba(17,23,31,.88);
  color:var(--muted);
  line-height:1.75;
}
.faq-wrap .is-active > .accordion-title{
  border-bottom-left-radius:0;
  border-bottom-right-radius:0;
}
.faq-wrap .is-active > .accordion-title::before{
  content:"–";
}
.cta-band{
  padding:0 0 1.8rem;
}
.cta-panel{
  padding:1rem;
  border:1px solid rgba(47,227,183,.18);
  border-radius:8px;
  background:linear-gradient(135deg, rgba(47,227,183,.08), rgba(124,108,255,.1));
  box-shadow:var(--shadow-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.cta-panel h2{
  margin:0 0 .32rem;
  font-size:1.18rem;
  line-height:1.25;
}
.cta-panel p{
  margin:0;
  color:var(--muted);
  line-height:1.65;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
}
.site-footer{
  position:relative;
  z-index:1;
  padding:1.8rem 0 6.2rem;
  border-top:1px solid var(--line);
  background:rgba(8,11,16,.92);
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:1rem;
}
.footer-brand{
  font-size:1.03rem;
  font-weight:900;
  margin-bottom:.45rem;
}
.footer-note,
.copyright{
  margin:0 0 .45rem;
  color:var(--muted);
  font-size:.88rem;
  line-height:1.7;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem .95rem;
}
.footer-links a{
  color:var(--text);
  opacity:.86;
}
.footer-links a:hover{
  color:var(--accent);
  opacity:1;
}
.bottom-cta{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:95;
  border-top:1px solid var(--line);
  background:rgba(9,12,17,.96);
  backdrop-filter:blur(12px);
}
.bottom-cta-inner{
  padding:.8rem 1rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.bottom-copy{
  display:flex;
  flex-direction:column;
  gap:.25rem;
}
.bottom-copy strong{
  font-size:1rem;
  line-height:1.25;
}
.bottom-copy p{
  margin:0;
  color:var(--muted);
  font-size:.84rem;
  line-height:1.5;
}
.bottom-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
}
.bottom-actions .button{
  padding:.72rem .95rem;
}
@media (max-width:1024px){
  .hero-visual{
    border-left:0;
    border-top:1px solid rgba(255,255,255,.05);
    margin-top:.85rem;
    padding-left:1rem;
    padding-top:.95rem;
  }
  .task-grid,
  .card-grid,
  .compare-grid,
  .quote-grid,
  .proof-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .hero h1{
    max-width:none;
  }
}
@media (max-width:768px){
  body{
    padding-bottom:10rem;
  }
  .nav-shell{
    flex-wrap:wrap;
  }
  .brand{
    width:100%;
    min-width:0;
  }
  .segment-nav{
    order:3;
    width:100%;
    justify-content:flex-start;
  }
  .nav-cta{
    margin-left:auto;
  }
  .hero h1{
    font-size:1.78rem;
  }
  .hero-actions .button,
  .bottom-actions .button{
    width:100%;
  }
  .task-grid,
  .card-grid,
  .compare-grid,
  .quote-grid,
  .proof-grid{
    grid-template-columns:1fr;
  }
  .cta-panel,
  .footer-grid,
  .bottom-cta-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .bottom-actions{
    width:100%;
  }
  .bottom-actions .button{
    flex:1 1 100%;
  }
}
@media (max-width:520px){
  body{
    padding-bottom:10.8rem;
  }
  .nav-cta{
    width:100%;
  }
  .hero-inner,
  .hero-visual,
  .entry-tile,
  .compare-card,
  .quote-card,
  .stat-box,
  .cta-panel{
    padding:.9rem;
  }
  .hero h1{
    font-size:1.54rem;
  }
  .section-head h2{
    font-size:1.18rem;
  }
  .segment-nav a{
    padding:.55rem .8rem;
    font-size:.86rem;
  }
}
@media (prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto;
  }
  *,
  *::before,
  *::after{
    animation:none !important;
    transition:none !important;
  }
}