/* roulang page: index */
:root {
      --bg: #07080b;
      --bg-2: #0d1016;
      --panel: #12161f;
      --panel-2: #171b25;
      --line: rgba(255,255,255,.11);
      --line-strong: rgba(86, 255, 218, .34);
      --text: #f5f7fb;
      --muted: #b3bbc9;
      --soft: #7f899b;
      --cyan: #35f6d0;
      --green: #70ff7b;
      --purple: #a66cff;
      --red: #ff4f68;
      --gold: #ffd166;
      --radius: 10px;
      --radius-sm: 7px;
      --shadow: 0 18px 38px rgba(0,0,0,.38);
      --shadow-hard: 0 10px 0 rgba(0,0,0,.34);
      --gradient: linear-gradient(135deg, #35f6d0 0%, #70ff7b 42%, #a66cff 100%);
      --danger-gradient: linear-gradient(135deg, #ff4f68 0%, #ffd166 100%);
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 14% 10%, rgba(166,108,255,.16), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(53,246,208,.12), transparent 26%),
        linear-gradient(180deg, #07080b 0%, #0b0d12 46%, #07080b 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.78), transparent 78%);
      z-index: -1;
    }
    a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease, transform .2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    button, input { font: inherit; }
    .container-rl { width: min(100% - 32px, var(--container)); margin-inline: auto; }
    .section-pad { padding: 82px 0; }
    .section-tight { padding: 58px 0; }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 11px;
      border: 1px solid var(--line-strong);
      border-radius: 999px;
      color: var(--cyan);
      background: rgba(53,246,208,.07);
      font-size: 13px;
      font-weight: 700;
    }
    .section-title {
      margin: 16px 0 10px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.14;
      font-weight: 900;
      letter-spacing: 0;
    }
    .section-desc {
      max-width: 760px;
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(255,255,255,.08);
      background: rgba(7,8,11,.86);
      backdrop-filter: blur(14px);
    }
    .navbar { padding: 14px 0; }
    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-weight: 950;
      letter-spacing: 0;
      max-width: 58vw;
      white-space: normal;
      line-height: 1.2;
    }
    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: var(--gradient);
      box-shadow: 0 0 0 1px rgba(255,255,255,.18), 0 0 24px rgba(53,246,208,.24);
      position: relative;
      flex: 0 0 auto;
    }
    .logo-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 2px solid rgba(7,8,11,.72);
      transform: skew(-10deg);
    }
    .navbar-toggler {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: 999px;
      padding: 8px 11px;
      color: var(--text);
    }
    .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(53,246,208,.18); }
    .navbar-toggler-icon {
      filter: invert(1);
      width: 1.1em;
      height: 1.1em;
    }
    .nav-link {
      color: var(--muted);
      font-weight: 750;
      padding: 9px 14px !important;
      border-radius: 999px;
      border: 1px solid transparent;
    }
    .nav-link:hover,
    .nav-link:focus {
      color: var(--text);
      border-color: rgba(53,246,208,.25);
      background: rgba(255,255,255,.05);
    }
    .nav-link.active {
      color: #06100e !important;
      background: var(--gradient);
      box-shadow: 0 0 24px rgba(53,246,208,.18);
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 9px 16px;
      border-radius: 999px;
      font-weight: 900;
      color: #050707;
      background: var(--gradient);
      border: 1px solid rgba(255,255,255,.2);
      box-shadow: 0 8px 0 rgba(0,0,0,.25);
    }
    .nav-cta:hover { transform: translateY(-2px); color: #050707; box-shadow: 0 10px 0 rgba(0,0,0,.3), 0 0 22px rgba(53,246,208,.22); }

    .hero {
      padding: 66px 0 34px;
      min-height: 86vh;
      display: flex;
      align-items: center;
    }
    .hero-band {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 16px;
      background:
        linear-gradient(115deg, rgba(18,22,31,.95) 0%, rgba(18,22,31,.72) 45%, rgba(53,246,208,.12) 100%),
        radial-gradient(circle at 76% 18%, rgba(255,79,104,.18), transparent 28%);
      box-shadow: var(--shadow), var(--shadow-hard);
    }
    .hero-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,.08) 45%, transparent 58%);
      transform: translateX(-70%);
      animation: scan 6s linear infinite;
      pointer-events: none;
    }
    @keyframes scan {
      0%, 45% { transform: translateX(-80%); }
      70%, 100% { transform: translateX(90%); }
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 26px;
      padding: clamp(26px, 5vw, 56px);
      align-items: stretch;
    }
    .hero-copy {
      min-width: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .hero h1 {
      margin: 16px 0 16px;
      font-size: clamp(38px, 6.2vw, 76px);
      line-height: 1.02;
      font-weight: 950;
      letter-spacing: 0;
      overflow-wrap: anywhere;
    }
    .hero-lead {
      max-width: 720px;
      color: #d3d9e6;
      font-size: clamp(16px, 2vw, 19px);
      margin: 0 0 24px;
    }
    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 22px;
    }
    .btn-energy,
    .btn-ghost,
    .btn-dangerline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }
    .btn-energy {
      color: #050707;
      background: var(--gradient);
      box-shadow: 0 9px 0 rgba(0,0,0,.34), 0 0 22px rgba(53,246,208,.18);
    }
    .btn-energy:hover,
    .btn-energy:focus {
      color: #050707;
      transform: translateY(-2px);
      box-shadow: 0 11px 0 rgba(0,0,0,.38), 0 0 30px rgba(53,246,208,.28);
    }
    .btn-ghost {
      color: var(--text);
      border-color: rgba(255,255,255,.18);
      background: rgba(255,255,255,.04);
    }
    .btn-ghost:hover,
    .btn-ghost:focus {
      color: var(--cyan);
      border-color: rgba(53,246,208,.45);
      background: rgba(53,246,208,.08);
      transform: translateY(-2px);
    }
    .btn-dangerline {
      color: var(--text);
      border-color: rgba(255,79,104,.42);
      background: rgba(255,79,104,.08);
    }
    .btn-dangerline:hover,
    .btn-dangerline:focus {
      color: #fff;
      border-color: rgba(255,209,102,.55);
      transform: translateY(-2px);
    }
    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 10px;
      max-width: 760px;
    }
    .point {
      border: 1px solid var(--line);
      background: rgba(0,0,0,.2);
      border-radius: var(--radius-sm);
      padding: 12px;
    }
    .point strong {
      display: block;
      font-size: 20px;
      color: var(--cyan);
      line-height: 1.1;
    }
    .point span {
      display: block;
      margin-top: 5px;
      color: var(--soft);
      font-size: 13px;
    }
    .group-panel {
      display: grid;
      gap: 12px;
      align-content: center;
      min-width: 0;
    }
    .group-status {
      border: 1px solid rgba(255,255,255,.13);
      background: #0b0e14;
      border-radius: 14px;
      padding: 18px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
    }
    .status-top {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 12px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      width: fit-content;
      padding: 5px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 850;
      color: var(--cyan);
      border: 1px solid rgba(53,246,208,.3);
      background: rgba(53,246,208,.08);
    }
    .tag.hot { color: #fff; border-color: rgba(255,79,104,.42); background: rgba(255,79,104,.1); }
    .tag.safe { color: var(--green); border-color: rgba(112,255,123,.34); background: rgba(112,255,123,.08); }
    .progress-shell {
      height: 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
    }
    .progress-fill {
      width: 78%;
      height: 100%;
      background: var(--gradient);
      box-shadow: 0 0 18px rgba(53,246,208,.3);
    }
    .group-count {
      display: flex;
      align-items: flex-end;
      gap: 9px;
      margin: 12px 0 4px;
    }
    .group-count b { font-size: 34px; line-height: 1; color: var(--text); }
    .group-count span { color: var(--muted); }
    .task-matrix {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }
    .mini-task {
      border: 1px solid rgba(255,255,255,.11);
      background: var(--panel-2);
      border-radius: var(--radius);
      padding: 14px;
      min-height: 116px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .mini-task:hover {
      transform: translateY(-3px);
      border-color: rgba(53,246,208,.35);
      box-shadow: 0 0 0 1px rgba(53,246,208,.08), 0 14px 28px rgba(0,0,0,.28);
    }
    .mini-task h3 {
      font-size: 16px;
      margin: 10px 0 6px;
      font-weight: 900;
    }
    .mini-task p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .story-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 22px;
      align-items: stretch;
    }
    .story-card,
    .feature-card,
    .step-card,
    .proof-card,
    .news-panel,
    .faq-shell,
    .subscribe-box {
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(23,27,37,.98), rgba(13,16,22,.98));
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .story-card { padding: 24px; }
    .story-card h2,
    .news-panel h2,
    .subscribe-box h2 {
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.18;
      margin: 12px 0;
      font-weight: 950;
    }
    .story-card p,
    .feature-card p,
    .step-card p,
    .proof-card p,
    .subscribe-box p { color: var(--muted); margin: 0; }
    .story-lanes {
      display: grid;
      gap: 12px;
    }
    .lane {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.035);
    }
    .lane b { color: var(--cyan); }
    .lane p { margin: 0; color: var(--muted); }

    .featured-wrap {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 20px;
      margin-top: 26px;
    }
    .feature-card {
      padding: 20px;
      min-height: 178px;
      position: relative;
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .feature-card::after {
      content: "";
      position: absolute;
      right: -40px;
      top: -40px;
      width: 120px;
      height: 120px;
      background: radial-gradient(circle, rgba(53,246,208,.18), transparent 66%);
    }
    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53,246,208,.35);
      box-shadow: 0 18px 36px rgba(0,0,0,.36);
    }
    .feature-card.big {
      display: grid;
      grid-template-columns: 1fr .62fr;
      gap: 18px;
      min-height: 260px;
      background:
        linear-gradient(135deg, rgba(53,246,208,.12), transparent 34%),
        linear-gradient(180deg, rgba(23,27,37,.98), rgba(13,16,22,.98));
    }
    .feature-card h3 {
      margin: 12px 0 8px;
      font-size: 23px;
      font-weight: 950;
    }
    .feature-stack { display: grid; gap: 14px; }
    .check-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 10px;
    }
    .check-list li {
      color: #dbe2ee;
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }
    .check-list li::before {
      content: "✓";
      color: #06100e;
      background: var(--gradient);
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: inline-flex;
      justify-content: center;
      align-items: center;
      flex: 0 0 auto;
      font-size: 13px;
      font-weight: 950;
      margin-top: 2px;
    }
    .visual-bars {
      align-self: end;
      display: grid;
      gap: 9px;
    }
    .bar-row {
      display: grid;
      grid-template-columns: 70px 1fr;
      gap: 8px;
      align-items: center;
      color: var(--soft);
      font-size: 12px;
      font-weight: 800;
    }
    .bar-row i {
      display: block;
      height: 9px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }
    .bar-row i::after {
      content: "";
      display: block;
      height: 100%;
      width: var(--w);
      background: var(--gradient);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 16px;
      margin-top: 26px;
    }
    .step-card {
      padding: 20px;
      position: relative;
      transition: transform .2s ease, border-color .2s ease;
    }
    .step-card:hover { transform: translateY(-3px); border-color: rgba(166,108,255,.38); }
    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 9px;
      background: var(--danger-gradient);
      color: #08090d;
      display: inline-flex;
      justify-content: center;
      align-items: center;
      font-weight: 950;
      box-shadow: 0 7px 0 rgba(0,0,0,.25);
    }
    .step-card h3 { font-size: 20px; margin: 18px 0 8px; font-weight: 950; }

    .proof-layout {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 20px;
      margin-top: 26px;
      align-items: stretch;
    }
    .proof-card { padding: 22px; }
    .score {
      display: flex;
      align-items: baseline;
      gap: 10px;
      margin-bottom: 12px;
    }
    .score b { font-size: 54px; line-height: 1; color: var(--gold); }
    .score span { color: var(--muted); }
    .bubble-list {
      display: grid;
      gap: 12px;
    }
    .bubble {
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
      border-radius: 16px 16px 16px 6px;
      padding: 15px;
    }
    .bubble strong { color: var(--text); display: block; margin-bottom: 5px; }
    .bubble p { color: var(--muted); margin: 0; font-size: 14px; }
    .metric-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 10px;
      margin-top: 16px;
    }
    .metric {
      border: 1px solid var(--line);
      background: rgba(0,0,0,.18);
      border-radius: var(--radius-sm);
      padding: 13px;
    }
    .metric b { display: block; color: var(--cyan); font-size: 23px; }
    .metric span { color: var(--soft); font-size: 13px; }

    .news-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 20px;
      margin-top: 26px;
    }
    .news-panel { padding: 22px; }
    .news-list {
      list-style: none;
      padding: 0;
      margin: 16px 0 0;
      display: grid;
      gap: 10px;
    }
    .news-list a {
      display: grid;
      grid-template-columns: 86px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
      color: var(--text);
    }
    .news-list a:hover { color: var(--cyan); transform: translateX(3px); }
    .news-date { color: var(--soft); font-size: 13px; }
    .news-arrow { color: var(--cyan); }
    .calendar-list {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }
    .calendar-item {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 13px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.035);
    }
    .calendar-date {
      border-radius: var(--radius-sm);
      background: rgba(53,246,208,.1);
      color: var(--cyan);
      display: grid;
      place-items: center;
      min-height: 52px;
      font-weight: 950;
      border: 1px solid rgba(53,246,208,.25);
    }
    .calendar-item h3 { margin: 0 0 4px; font-size: 16px; font-weight: 950; }
    .calendar-item p { margin: 0; color: var(--muted); font-size: 14px; }

    .faq-shell { padding: 22px; margin-top: 26px; }
    .accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: rgba(255,255,255,.1); }
    .accordion-item {
      color: var(--text);
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.1) !important;
      border-radius: var(--radius) !important;
      overflow: hidden;
      margin-bottom: 10px;
    }
    .accordion-button {
      color: var(--text);
      background: rgba(255,255,255,.035);
      font-weight: 900;
      box-shadow: none !important;
      padding: 16px 18px;
    }
    .accordion-button:not(.collapsed) {
      color: var(--cyan);
      background: rgba(53,246,208,.08);
    }
    .accordion-button::after { filter: invert(1); }
    .accordion-body { color: var(--muted); padding: 16px 18px 18px; }

    .subscribe-box {
      position: relative;
      overflow: hidden;
      padding: 28px;
      background:
        linear-gradient(135deg, rgba(166,108,255,.16), transparent 34%),
        linear-gradient(180deg, rgba(23,27,37,.98), rgba(13,16,22,.98));
    }
    .subscribe-box::after {
      content: "";
      position: absolute;
      inset: auto -10% -35% 44%;
      height: 180px;
      background: radial-gradient(circle, rgba(112,255,123,.16), transparent 68%);
    }
    .subscribe-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: center;
    }
    .lead-form {
      display: grid;
      gap: 12px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(0,0,0,.22);
    }
    .form-label {
      color: var(--muted);
      margin-bottom: 4px;
      font-size: 13px;
      font-weight: 800;
    }
    .form-control {
      min-height: 46px;
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.13);
      border-radius: var(--radius-sm);
    }
    .form-control::placeholder { color: rgba(179,187,201,.6); }
    .form-control:focus {
      color: var(--text);
      background: rgba(255,255,255,.08);
      border-color: rgba(53,246,208,.55);
      box-shadow: 0 0 0 3px rgba(53,246,208,.14);
    }
    .privacy-note {
      color: var(--soft);
      font-size: 13px;
      margin: 0;
    }

    .site-footer {
      padding: 42px 0 24px;
      border-top: 1px solid rgba(255,255,255,.08);
      background: #050608;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .7fr .7fr;
      gap: 24px;
      align-items: start;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 950;
      font-size: 18px;
      margin-bottom: 10px;
    }
    .footer-text { color: var(--muted); margin: 0; max-width: 560px; }
    .footer-title { color: var(--text); font-weight: 950; margin-bottom: 10px; }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 8px;
    }
    .footer-links a { color: var(--muted); }
    .footer-links a:hover { color: var(--cyan); }
    .footer-bottom {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: var(--soft);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
    }
    .back-top {
      color: var(--cyan);
      border-bottom: 1px solid rgba(53,246,208,.35);
    }
    .back-top:hover { color: var(--green); }

    @media (max-width: 1024px) {
      .hero-inner,
      .story-grid,
      .featured-wrap,
      .proof-layout,
      .news-grid,
      .subscribe-grid {
        grid-template-columns: 1fr;
      }
      .feature-card.big { grid-template-columns: 1fr; }
      .hero { min-height: auto; padding-top: 46px; }
    }
    @media (max-width: 768px) {
      .section-pad { padding: 58px 0; }
      .section-tight { padding: 44px 0; }
      .navbar-collapse {
        margin-top: 14px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: rgba(13,16,22,.98);
      }
      .navbar-nav { gap: 6px; }
      .nav-cta { width: 100%; margin-top: 8px; }
      .hero-inner { padding: 22px; }
      .hero-points,
      .steps-grid,
      .metric-row {
        grid-template-columns: 1fr;
      }
      .task-matrix { grid-template-columns: 1fr; }
      .lane { grid-template-columns: 1fr; }
      .news-list a { grid-template-columns: 1fr auto; }
      .news-date { grid-column: 1 / -1; }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .container-rl { width: min(100% - 22px, var(--container)); }
      .hero h1 { font-size: 36px; }
      .hero-actions .btn-energy,
      .hero-actions .btn-ghost,
      .hero-actions .btn-dangerline {
        width: 100%;
      }
      .status-top { align-items: flex-start; flex-direction: column; }
      .group-count b { font-size: 30px; }
      .subscribe-box { padding: 20px; }
      .lead-form { padding: 14px; }
    }

/* roulang page: category1 */
:root{
      --bg:#07080d;
      --bg-2:#0d1018;
      --panel:#111520;
      --panel-2:#151a27;
      --panel-3:#1a2030;
      --text:#f4f7fb;
      --text-soft:#c5cedb;
      --muted:#7e899b;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(88,255,214,.35);
      --cyan:#43ffd0;
      --green:#70ff7d;
      --purple:#985cff;
      --red:#ff4f63;
      --amber:#ffd15c;
      --radius:12px;
      --radius-sm:9px;
      --shadow:0 16px 36px rgba(0,0,0,.42);
      --shadow-hard:0 9px 0 rgba(0,0,0,.25);
      --grad:linear-gradient(135deg,var(--cyan),var(--green) 42%,var(--purple));
      --grad-hot:linear-gradient(135deg,var(--red),var(--purple),var(--cyan));
      --nav-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.65;
      background:
        radial-gradient(circle at 12% 8%,rgba(152,92,255,.22),transparent 34%),
        radial-gradient(circle at 88% 12%,rgba(67,255,208,.13),transparent 30%),
        linear-gradient(180deg,#05060a 0%,var(--bg) 46%,#090b12 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 85%);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      width:42vw;
      height:42vw;
      right:-18vw;
      top:22vh;
      pointer-events:none;
      background:radial-gradient(circle,rgba(255,79,99,.16),transparent 68%);
      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%;height:auto;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(67,255,208,.35);color:#fff}
    .container-rl{
      width:min(1180px,calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,8,13,.78);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{min-height:var(--nav-h);padding:0}
    .navbar-brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:#fff!important;
      font-weight:900;
      letter-spacing:.02em;
      font-size:1.08rem;
      white-space:nowrap;
    }
    .logo-mark{
      width:34px;
      height:34px;
      display:inline-block;
      border-radius:10px;
      background:
        linear-gradient(135deg,rgba(67,255,208,.95),rgba(112,255,125,.8) 45%,rgba(152,92,255,.95)),
        linear-gradient(45deg,transparent,rgba(255,255,255,.65));
      position:relative;
      box-shadow:0 0 0 1px rgba(255,255,255,.18),0 0 26px rgba(67,255,208,.22);
      flex:0 0 auto;
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      inset:8px 6px;
      border-top:3px solid rgba(7,8,13,.88);
      border-bottom:3px solid rgba(7,8,13,.88);
      transform:skewX(-16deg);
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      right:6px;
      top:7px;
      width:7px;
      height:20px;
      background:rgba(7,8,13,.88);
      clip-path:polygon(0 0,100% 12%,60% 100%,0 88%);
    }
    .navbar-collapse{align-items:center}
    .navbar-nav{gap:8px}
    .nav-link{
      color:var(--text-soft)!important;
      font-weight:750;
      padding:10px 16px!important;
      border-radius:999px;
      border:1px solid transparent;
      line-height:1.2;
    }
    .nav-link:hover,.nav-link:focus{
      color:#fff!important;
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.13);
    }
    .nav-link.active{
      color:#08100d!important;
      background:var(--grad);
      box-shadow:0 0 0 1px rgba(67,255,208,.2),0 8px 22px rgba(67,255,208,.14);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:10px 17px;
      border-radius:999px;
      color:#07100e;
      font-weight:900;
      background:var(--grad);
      border:1px solid rgba(255,255,255,.24);
      box-shadow:0 8px 0 rgba(0,0,0,.26),0 0 24px rgba(67,255,208,.15);
      white-space:nowrap;
    }
    .nav-cta:hover,.nav-cta:focus{
      transform:translateY(-2px);
      color:#020403;
      box-shadow:0 10px 0 rgba(0,0,0,.24),0 0 34px rgba(67,255,208,.25);
    }
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.18);
      border-radius:11px;
      padding:8px 10px;
      box-shadow:none!important;
      background:rgba(255,255,255,.05);
    }
    .navbar-toggler-icon{
      width:22px;
      height:22px;
      background-image:linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan));
      background-size:22px 2px,22px 2px,22px 2px;
      background-position:center 5px,center 11px,center 17px;
      background-repeat:no-repeat;
    }
    main{position:relative}
    .section{padding:74px 0}
    .section-tight{padding:46px 0}
    .breadcrumb-wrap{
      padding:22px 0 10px;
      color:var(--muted);
      font-size:.92rem;
    }
    .breadcrumb-wrap a{color:var(--text-soft)}
    .breadcrumb-wrap a:hover{color:var(--cyan)}
    .breadcrumb-sep{margin:0 8px;color:rgba(255,255,255,.28)}
    .category-hero{
      padding:30px 0 42px;
    }
    .summary-strip{
      border:1px solid var(--line);
      background:
        linear-gradient(90deg,rgba(67,255,208,.1),rgba(152,92,255,.08),rgba(255,79,99,.06)),
        rgba(17,21,32,.88);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .summary-strip::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      width:100%;
      height:2px;
      background:var(--grad-hot);
    }
    .summary-inner{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:26px;
      align-items:center;
      padding:30px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--cyan);
      font-weight:900;
      letter-spacing:.08em;
      font-size:.82rem;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .eyebrow::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 18px var(--cyan);
    }
    h1{
      font-size:clamp(2rem,4vw,3.35rem);
      line-height:1.08;
      margin:0 0 14px;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .lead{
      margin:0;
      color:var(--text-soft);
      font-size:1.05rem;
      max-width:760px;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    .btn-energy,.btn-ghost,.btn-line{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:11px 18px;
      border-radius:10px;
      font-weight:900;
      border:1px solid transparent;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
    }
    .btn-energy{
      color:#06100d;
      background:var(--grad);
      box-shadow:0 8px 0 rgba(0,0,0,.25),0 0 28px rgba(67,255,208,.16);
    }
    .btn-energy:hover,.btn-energy:focus{
      color:#020403;
      transform:translateY(-2px);
      box-shadow:0 10px 0 rgba(0,0,0,.25),0 0 38px rgba(67,255,208,.26);
    }
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.045);
      border-color:rgba(255,255,255,.16);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(67,255,208,.42);
      transform:translateY(-2px);
    }
    .btn-line{
      min-height:40px;
      padding:9px 14px;
      border-radius:9px;
      color:var(--cyan);
      background:rgba(67,255,208,.06);
      border-color:rgba(67,255,208,.3);
      font-size:.92rem;
    }
    .btn-line:hover,.btn-line:focus{
      color:#07100e;
      background:var(--cyan);
      border-color:var(--cyan);
      transform:translateY(-1px);
    }
    .status-board{
      display:grid;
      gap:10px;
    }
    .status-mini{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(7,8,13,.55);
      border-radius:10px;
      padding:13px 14px;
    }
    .status-mini strong{
      display:block;
      font-size:1.35rem;
      line-height:1.1;
      color:#fff;
      letter-spacing:-.03em;
    }
    .status-mini span{color:var(--muted);font-size:.9rem}
    .layout-grid{
      display:grid;
      grid-template-columns:300px minmax(0,1fr);
      gap:24px;
      align-items:start;
    }
    .filter-panel,.content-panel,.proof-panel,.faq-card,.cta-panel{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(26,32,48,.94),rgba(13,16,24,.96));
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .filter-panel{
      position:sticky;
      top:calc(var(--nav-h) + 18px);
      padding:18px;
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .panel-title h2,.panel-title h3{
      margin:0;
      font-size:1.06rem;
      font-weight:950;
      letter-spacing:-.01em;
    }
    .pulse-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--green);
      border:1px solid rgba(112,255,125,.27);
      background:rgba(112,255,125,.08);
      border-radius:999px;
      padding:5px 9px;
      font-size:.78rem;
      font-weight:900;
      white-space:nowrap;
    }
    .pulse-tag::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 14px var(--green);
    }
    .filter-group{padding:14px 0;border-top:1px solid rgba(255,255,255,.08)}
    .filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-label{
      color:#fff;
      font-weight:900;
      margin-bottom:10px;
      font-size:.92rem;
    }
    .chip-wrap{display:flex;flex-wrap:wrap;gap:8px}
    .chip{
      display:inline-flex;
      align-items:center;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.045);
      color:var(--text-soft);
      border-radius:999px;
      padding:7px 10px;
      font-size:.86rem;
      font-weight:750;
    }
    .chip.active,.chip:hover{
      color:#07100e;
      background:var(--cyan);
      border-color:var(--cyan);
    }
    .notice-box{
      margin-top:14px;
      padding:13px;
      border-radius:10px;
      border:1px solid rgba(255,209,92,.22);
      background:rgba(255,209,92,.07);
      color:#ffe7a4;
      font-size:.88rem;
    }
    .task-list{
      display:grid;
      gap:14px;
    }
    .task-card{
      position:relative;
      display:grid;
      grid-template-columns:auto minmax(0,1fr) auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid var(--line);
      background:
        linear-gradient(90deg,rgba(67,255,208,.045),transparent 38%),
        linear-gradient(180deg,rgba(21,26,39,.96),rgba(12,15,23,.96));
      border-radius:var(--radius);
      box-shadow:0 10px 24px rgba(0,0,0,.25);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
      overflow:hidden;
    }
    .task-card::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:3px;
      background:var(--grad);
      opacity:.85;
    }
    .task-card:hover{
      transform:translateY(-3px);
      border-color:rgba(67,255,208,.34);
      box-shadow:0 14px 28px rgba(0,0,0,.32),0 0 0 1px rgba(67,255,208,.08);
    }
    .task-num{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:11px;
      color:#07100e;
      font-weight:950;
      background:var(--grad);
      box-shadow:var(--shadow-hard);
    }
    .task-content h3{
      margin:0 0 5px;
      font-size:1.08rem;
      font-weight:950;
      color:#fff;
    }
    .task-content p{
      margin:0;
      color:var(--text-soft);
      font-size:.94rem;
    }
    .task-meta{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:9px;
      min-width:142px;
    }
    .status-label{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:74px;
      border-radius:999px;
      padding:6px 10px;
      font-size:.78rem;
      font-weight:950;
      color:#06100d;
      background:var(--green);
    }
    .status-label.warn{background:var(--amber)}
    .status-label.hot{background:var(--red);color:#fff}
    .section-head{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:20px;
      align-items:end;
      margin-bottom:24px;
    }
    .section-head h2{
      margin:0 0 8px;
      font-size:clamp(1.55rem,2.6vw,2.35rem);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.035em;
    }
    .section-head p{
      margin:0;
      color:var(--text-soft);
      max-width:720px;
    }
    .step-lane{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
    }
    .step-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(21,26,39,.95),rgba(10,12,19,.95));
      border-radius:var(--radius);
      padding:20px;
      min-height:174px;
      position:relative;
      overflow:hidden;
      box-shadow:0 10px 24px rgba(0,0,0,.24);
      transition:transform .2s ease,border-color .2s ease;
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:rgba(152,92,255,.42);
    }
    .step-card::after{
      content:"";
      position:absolute;
      right:-35px;
      top:-35px;
      width:105px;
      height:105px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(152,92,255,.22),transparent 70%);
    }
    .step-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;
      height:34px;
      border-radius:9px;
      color:#07100e;
      background:var(--grad);
      font-weight:950;
      margin-bottom:14px;
    }
    .step-card h3{margin:0 0 8px;font-size:1.08rem;font-weight:950}
    .step-card p{margin:0;color:var(--text-soft);font-size:.94rem}
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .proof-panel{padding:22px}
    .metric-row{
      display:grid;
      grid-template-columns:120px minmax(0,1fr) 54px;
      gap:12px;
      align-items:center;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .metric-row:last-child{border-bottom:0}
    .metric-name{font-weight:850;color:#fff}
    .bar{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:var(--grad);
      box-shadow:0 0 16px rgba(67,255,208,.22);
    }
    .metric-num{
      text-align:right;
      font-weight:950;
      color:var(--cyan);
    }
    .check-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:11px;
      color:var(--text-soft);
      padding:12px;
      border-radius:10px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.08);
    }
    .check-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:7px;
      color:#06100d;
      background:var(--cyan);
      font-weight:950;
      line-height:1;
      margin-top:1px;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:start;
    }
    .faq-intro{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(21,26,39,.92),rgba(12,15,23,.94));
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow);
    }
    .faq-intro h2{margin:0 0 10px;font-size:1.65rem;font-weight:950;letter-spacing:-.03em}
    .faq-intro p{margin:0;color:var(--text-soft)}
    .accordion{display:grid;gap:12px}
    .accordion-item{
      color:var(--text);
      background:linear-gradient(180deg,rgba(21,26,39,.94),rgba(11,13,20,.94));
      border:1px solid var(--line);
      border-radius:var(--radius)!important;
      overflow:hidden;
      box-shadow:0 10px 22px rgba(0,0,0,.2);
    }
    .accordion-button{
      color:#fff;
      background:transparent;
      font-weight:950;
      padding:17px 18px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--cyan);
      background:rgba(67,255,208,.045);
    }
    .accordion-button::after{
      filter:invert(1);
      opacity:.75;
    }
    .accordion-body{
      color:var(--text-soft);
      padding:0 18px 18px;
    }
    .cta-section{padding:70px 0 78px}
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:30px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 85% 20%,rgba(67,255,208,.17),transparent 32%),
        linear-gradient(135deg,rgba(152,92,255,.17),rgba(15,18,27,.96) 45%,rgba(255,79,99,.1));
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(100deg,transparent 0%,rgba(255,255,255,.08) 45%,transparent 68%);
      transform:translateX(-100%);
      animation:sweep 5s ease-in-out infinite;
      pointer-events:none;
    }
    @keyframes sweep{
      0%,62%{transform:translateX(-100%)}
      100%{transform:translateX(100%)}
    }
    .cta-panel h2{
      margin:0 0 8px;
      font-size:clamp(1.55rem,3vw,2.45rem);
      font-weight:950;
      letter-spacing:-.04em;
    }
    .cta-panel p{margin:0;color:var(--text-soft);max-width:760px}
    .subscribe-box{
      display:flex;
      gap:10px;
      min-width:min(430px,100%);
      position:relative;
      z-index:1;
    }
    .subscribe-box input{
      flex:1;
      min-width:0;
      height:48px;
      padding:0 14px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(7,8,13,.72);
      color:#fff;
      outline:none;
    }
    .subscribe-box input::placeholder{color:rgba(197,206,219,.62)}
    .subscribe-box input:focus{
      border-color:rgba(67,255,208,.58);
      box-shadow:0 0 0 4px rgba(67,255,208,.12);
    }
    .small-tip{
      margin-top:10px!important;
      color:var(--muted)!important;
      font-size:.88rem;
    }
    .site-footer{
      background:#05060a;
      border-top:1px solid rgba(255,255,255,.09);
      padding:46px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .75fr .8fr;
      gap:34px;
      padding-bottom:28px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:950;
      font-size:1.08rem;
      color:#fff;
      margin-bottom:12px;
    }
    .footer-text{
      margin:0;
      color:var(--muted);
      max-width:520px;
      font-size:.94rem;
    }
    .footer-title{
      font-weight:950;
      color:#fff;
      margin-bottom:12px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:.94rem;
    }
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.08);
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(197,206,219,.66);
      font-size:.9rem;
    }
    @media (max-width:1024px){
      .summary-inner{grid-template-columns:1fr}
      .status-board{grid-template-columns:repeat(3,1fr)}
      .layout-grid{grid-template-columns:1fr}
      .filter-panel{position:relative;top:auto}
      .proof-grid,.faq-wrap{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
    }
    @media (max-width:991.98px){
      .site-header{position:sticky}
      .navbar{padding:14px 0}
      .navbar-collapse{
        margin-top:14px;
        padding:14px;
        border:1px solid rgba(255,255,255,.12);
        background:rgba(13,16,24,.96);
        border-radius:14px;
        box-shadow:var(--shadow);
      }
      .navbar-nav{gap:6px}
      .nav-link{padding:11px 12px!important}
      .nav-cta{width:100%;margin-top:8px}
    }
    @media (max-width:768px){
      .container-rl{width:min(100% - 28px,1180px)}
      .section{padding:56px 0}
      .category-hero{padding-top:22px}
      .summary-inner{padding:22px}
      .status-board{grid-template-columns:1fr}
      .section-head{grid-template-columns:1fr}
      .step-lane{grid-template-columns:1fr}
      .task-card{grid-template-columns:auto 1fr}
      .task-meta{
        grid-column:1 / -1;
        align-items:flex-start;
        flex-direction:row;
        flex-wrap:wrap;
        min-width:0;
      }
      .footer-grid{grid-template-columns:1fr}
      .subscribe-box{flex-direction:column}
      .subscribe-box .btn-energy{width:100%}
    }
    @media (max-width:520px){
      h1{font-size:2rem}
      .hero-actions{flex-direction:column}
      .btn-energy,.btn-ghost{width:100%}
      .task-card{padding:16px}
      .task-num{width:40px;height:40px}
      .metric-row{grid-template-columns:1fr;gap:7px}
      .metric-num{text-align:left}
      .cta-panel{padding:22px}
      .breadcrumb-wrap{font-size:.86rem}
    }