/* roulang page: index */
:root {
      --bg: #06101f;
      --bg-deep: #030815;
      --panel: rgba(12, 28, 52, .72);
      --panel-strong: rgba(16, 38, 68, .88);
      --panel-soft: rgba(255, 255, 255, .055);
      --line: rgba(132, 208, 255, .22);
      --line-strong: rgba(85, 196, 255, .55);
      --text: #eef7ff;
      --muted: #aab9c9;
      --dim: #7890a8;
      --blue: #24a8ff;
      --cyan: #39e6d2;
      --green: #7ee0b5;
      --violet: #8fa7ff;
      --graphite: #1b2636;
      --white-soft: rgba(255, 255, 255, .82);
      --shadow: 0 24px 70px rgba(0, 0, 0, .42);
      --glow: 0 0 0 1px rgba(67, 190, 255, .38), 0 0 30px rgba(36, 168, 255, .26);
      --radius: 8px;
      --radius-lg: 10px;
      --max: 1220px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.7;
      background:
        linear-gradient(rgba(98, 177, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(98, 177, 255, .04) 1px, transparent 1px),
        radial-gradient(circle at 50% -15%, rgba(36, 168, 255, .2), transparent 34%),
        linear-gradient(180deg, #08182d 0%, var(--bg) 38%, var(--bg-deep) 100%);
      background-size: 42px 42px, 42px 42px, auto, auto;
      padding-bottom: 94px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    a:hover,
    a:focus {
      color: #ffffff;
    }

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

    input,
    textarea {
      width: 100%;
      color: var(--text);
      background: rgba(4, 12, 25, .64);
      border: 1px solid rgba(132, 208, 255, .24);
      border-radius: var(--radius);
      min-height: 46px;
      padding: 0 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    textarea {
      min-height: 118px;
      padding-top: 12px;
      resize: vertical;
    }

    input::placeholder,
    textarea::placeholder {
      color: #74879a;
    }

    input:focus,
    textarea:focus,
    .button:focus,
    a:focus-visible {
      outline: 2px solid rgba(57, 230, 210, .72);
      outline-offset: 3px;
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(57, 230, 210, .12);
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin-top: 0;
    }

    h1 {
      font-size: 52px;
      line-height: 1.12;
      font-weight: 800;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    h2 {
      font-size: 32px;
      line-height: 1.25;
      font-weight: 760;
      letter-spacing: 0;
      margin-bottom: 14px;
    }

    h3 {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 720;
      letter-spacing: 0;
      margin-bottom: 10px;
    }

    p {
      color: var(--muted);
      font-size: 16px;
      margin-bottom: 0;
    }

    .site-shell {
      position: relative;
      isolation: isolate;
    }

    .site-shell::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .14;
      background-image:
        linear-gradient(115deg, transparent 0 21%, rgba(255,255,255,.12) 21.2%, transparent 21.6% 100%),
        linear-gradient(68deg, transparent 0 62%, rgba(57,230,210,.11) 62.1%, transparent 62.5% 100%);
      z-index: -1;
    }

    .wrap {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }

    .section {
      padding: 82px 0;
      position: relative;
    }

    .section.tight {
      padding: 58px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 30px;
    }

    .section-head.center {
      text-align: center;
      margin-inline: auto;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .section-kicker::before {
      content: "";
      width: 28px;
      height: 1px;
      background: linear-gradient(90deg, var(--cyan), transparent);
    }

    .top-glass {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(3, 11, 24, .78);
      border-bottom: 1px solid rgba(132, 208, 255, .2);
      backdrop-filter: blur(20px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, .24);
    }

    .top-row {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 22px;
      padding: 14px 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 245px;
      font-weight: 800;
      color: #f8fcff;
      line-height: 1.18;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border: 1px solid rgba(132, 208, 255, .46);
      border-radius: var(--radius);
      display: grid;
      place-items: center;
      background:
        linear-gradient(90deg, transparent 48%, rgba(57, 230, 210, .25) 49% 51%, transparent 52%),
        linear-gradient(180deg, rgba(36, 168, 255, .22), rgba(255,255,255,.04));
      box-shadow: inset 0 0 18px rgba(36, 168, 255, .12), 0 0 22px rgba(36, 168, 255, .12);
      color: var(--cyan);
      font-size: 18px;
    }

    .brand-name {
      display: block;
      max-width: 200px;
      font-size: 18px;
      word-break: keep-all;
    }

    .nav-search {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 6px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .22);
      background: rgba(255,255,255,.045);
    }

    .nav-search input {
      border: 0;
      background: transparent;
      min-height: 38px;
      padding: 0 10px;
      box-shadow: none;
    }

    .button {
      border-radius: var(--radius);
      min-height: 46px;
      padding: 12px 18px;
      margin: 0;
      font-weight: 740;
      letter-spacing: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
    }

    .button.primary-glow {
      color: #03101e;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      border: 1px solid rgba(255,255,255,.2);
      box-shadow: 0 10px 28px rgba(36, 168, 255, .28);
    }

    .button.primary-glow:hover {
      color: #02101d;
      transform: translateY(-2px);
      box-shadow: 0 14px 42px rgba(36, 168, 255, .38), 0 0 0 1px rgba(57,230,210,.36);
    }

    .button.ghost {
      color: var(--text);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(132, 208, 255, .28);
    }

    .button.ghost:hover {
      transform: translateY(-2px);
      border-color: rgba(57, 230, 210, .62);
      box-shadow: 0 14px 34px rgba(0, 0, 0, .22);
    }

    .button.compact {
      min-height: 38px;
      padding: 8px 13px;
      font-size: 14px;
    }

    .channel-row {
      border-top: 1px solid rgba(132, 208, 255, .11);
    }

    .channel-tabs {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 12px 0 14px;
      scrollbar-width: thin;
      scrollbar-color: rgba(57, 230, 210, .35) transparent;
    }

    .channel-tabs a {
      flex: 0 0 auto;
      min-height: 36px;
      display: inline-flex;
      align-items: center;
      border: 1px solid rgba(132, 208, 255, .2);
      border-radius: 999px;
      padding: 7px 15px;
      color: #bfd0df;
      background: rgba(255,255,255,.035);
      font-size: 14px;
    }

    .channel-tabs a:hover,
    .channel-tabs a.active {
      color: #f8fcff;
      border-color: rgba(57, 230, 210, .68);
      background: rgba(36, 168, 255, .12);
      box-shadow: 0 0 22px rgba(36, 168, 255, .18);
    }

    .hero {
      padding: 74px 0 64px;
      min-height: 650px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .hero-stage {
      position: relative;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(132, 208, 255, .22);
      background:
        linear-gradient(115deg, rgba(8, 22, 42, .9) 0%, rgba(5, 12, 25, .72) 52%, rgba(12, 31, 54, .84) 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 78px);
      min-height: 552px;
      padding: 48px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(132, 208, 255, .13);
      pointer-events: none;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      right: -80px;
      top: 26px;
      width: 52%;
      height: 84%;
      background:
        linear-gradient(135deg, rgba(36, 168, 255, .16), transparent 55%),
        linear-gradient(90deg, rgba(57,230,210,.16) 1px, transparent 1px),
        linear-gradient(rgba(57,230,210,.11) 1px, transparent 1px);
      background-size: auto, 34px 34px, 34px 34px;
      transform: skewX(-8deg);
      border-left: 1px solid rgba(57, 230, 210, .24);
      opacity: .9;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 12px;
      border: 1px solid rgba(57, 230, 210, .42);
      border-radius: var(--radius);
      color: var(--cyan);
      background: rgba(57, 230, 210, .075);
      font-size: 13px;
      font-weight: 720;
      margin-bottom: 22px;
    }

    .hero-lead {
      max-width: 640px;
      color: #c4d2df;
      font-size: 18px;
      line-height: 1.78;
      margin-bottom: 28px;
    }

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

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 650px;
    }

    .metric {
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .2);
      background: rgba(255,255,255,.055);
    }

    .metric strong {
      display: block;
      color: #ffffff;
      font-size: 22px;
      line-height: 1.1;
      margin-bottom: 5px;
    }

    .metric span {
      display: block;
      color: var(--dim);
      font-size: 13px;
    }

    .entry-matrix {
      position: absolute;
      z-index: 3;
      right: 42px;
      bottom: 42px;
      width: min(420px, 42%);
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .matrix-card {
      min-height: 112px;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .24);
      background: rgba(6, 18, 34, .72);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 38px rgba(0,0,0,.28);
    }

    .matrix-card b {
      display: block;
      margin-bottom: 6px;
      color: #ffffff;
      font-size: 16px;
    }

    .matrix-card small {
      color: var(--muted);
      line-height: 1.55;
    }

    .countdown-band {
      border-block: 1px solid rgba(132, 208, 255, .16);
      background: rgba(3, 11, 24, .52);
    }

    .countdown-wrap {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
      gap: 26px;
      align-items: center;
    }

    .countdown-box {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
    }

    .time-cell {
      text-align: center;
      padding: 18px 10px;
      border-radius: var(--radius);
      border: 1px solid rgba(57, 230, 210, .25);
      background: rgba(255,255,255,.05);
    }

    .time-cell strong {
      display: block;
      color: #ffffff;
      font-size: 26px;
      line-height: 1;
      margin-bottom: 7px;
    }

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

    .sample-card,
    .glass-card,
    .list-card,
    .quote-card {
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .2);
      background: linear-gradient(180deg, rgba(17, 40, 70, .72), rgba(7, 18, 35, .66));
      box-shadow: 0 18px 50px rgba(0,0,0,.26);
      backdrop-filter: blur(18px);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .sample-card:hover,
    .glass-card:hover,
    .list-card:hover,
    .quote-card:hover {
      transform: translateY(-2px);
      border-color: rgba(57, 230, 210, .46);
      box-shadow: 0 22px 60px rgba(0,0,0,.33), 0 0 24px rgba(36,168,255,.12);
    }

    .sample-card {
      min-height: 254px;
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .sample-card::before {
      content: attr(data-no);
      position: absolute;
      right: 18px;
      top: 14px;
      color: rgba(57, 230, 210, .28);
      font-weight: 800;
      font-size: 36px;
      line-height: 1;
    }

    .sample-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0 64%, rgba(57,230,210,.08) 64.2%, transparent 64.8%),
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: auto, 100% 31px;
      pointer-events: none;
    }

    .sample-card > * {
      position: relative;
      z-index: 1;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 4px 10px;
      border-radius: 999px;
      color: #cbeeff;
      border: 1px solid rgba(132, 208, 255, .22);
      background: rgba(255,255,255,.045);
      font-size: 13px;
      margin: 4px 6px 0 0;
    }

    .tag.hot {
      color: #d9fff8;
      border-color: rgba(57, 230, 210, .36);
      background: rgba(57, 230, 210, .075);
    }

    .feature-wall {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items: stretch;
    }

    .large-panel {
      min-height: 430px;
      padding: 30px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .2);
      background:
        linear-gradient(180deg, rgba(13, 32, 58, .72), rgba(6, 15, 30, .76)),
        linear-gradient(90deg, rgba(57,230,210,.13) 1px, transparent 1px),
        linear-gradient(rgba(57,230,210,.09) 1px, transparent 1px);
      background-size: auto, 46px 46px, 46px 46px;
      position: relative;
      overflow: hidden;
    }

    .route-line {
      position: absolute;
      left: 42px;
      right: 42px;
      bottom: 60px;
      height: 2px;
      background: linear-gradient(90deg, var(--cyan), var(--blue), transparent);
    }

    .route-dot {
      position: absolute;
      bottom: 52px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 22px rgba(57,230,210,.55);
    }

    .route-dot:nth-child(2) { left: 18%; }
    .route-dot:nth-child(3) { left: 45%; background: var(--blue); }
    .route-dot:nth-child(4) { left: 72%; background: var(--green); }

    .feature-stack {
      display: grid;
      gap: 18px;
    }

    .glass-card {
      padding: 24px;
    }

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

    .compare-card {
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .2);
      background: rgba(255,255,255,.045);
    }

    .compare-card.featured {
      border-color: rgba(57, 230, 210, .52);
      background: rgba(57, 230, 210, .08);
      box-shadow: var(--glow);
    }

    .compare-card ul {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
    }

    .compare-card li {
      color: var(--muted);
      padding: 8px 0;
      border-top: 1px solid rgba(132, 208, 255, .12);
      font-size: 15px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
      gap: 22px;
    }

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

    .news-list a {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
      padding: 18px 20px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .18);
      background: rgba(255,255,255,.045);
    }

    .news-list a:hover {
      border-color: rgba(57,230,210,.5);
      background: rgba(36,168,255,.08);
    }

    .news-list b {
      color: #f5fbff;
      font-size: 17px;
      line-height: 1.4;
    }

    .news-list span {
      color: var(--dim);
      font-size: 13px;
      white-space: nowrap;
    }

    .recommend-box {
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid rgba(132, 208, 255, .2);
      background: rgba(7, 18, 34, .7);
    }

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

    .quote-card {
      padding: 22px;
      min-height: 210px;
    }

    .quote-card p {
      color: #c6d5e2;
    }

    .quote-card cite {
      display: block;
      color: var(--cyan);
      font-style: normal;
      margin-top: 18px;
      font-size: 14px;
    }

    .data-panel {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .data-card {
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid rgba(132,208,255,.18);
      background: rgba(255,255,255,.045);
    }

    .data-card strong {
      display: block;
      font-size: 28px;
      line-height: 1.1;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .bar {
      height: 7px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      margin-top: 16px;
    }

    .bar i {
      display: block;
      height: 100%;
      width: var(--w);
      background: linear-gradient(90deg, var(--cyan), var(--blue));
      border-radius: inherit;
      box-shadow: 0 0 18px rgba(36,168,255,.36);
    }

    .cta-panel {
      padding: 34px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(57, 230, 210, .32);
      background:
        linear-gradient(135deg, rgba(57, 230, 210, .1), rgba(36, 168, 255, .08)),
        rgba(7, 18, 34, .76);
      box-shadow: var(--shadow);
    }

    .cta-panel .grid-x {
      align-items: center;
    }

    .feedback-form {
      display: grid;
      gap: 12px;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(132, 208, 255, .18);
      background: rgba(255,255,255,.045);
    }

    .accordion-title {
      color: var(--text);
      border: 0;
      font-size: 16px;
      font-weight: 720;
      padding: 18px 48px 18px 20px;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: #ffffff;
      background: rgba(36, 168, 255, .08);
    }

    .accordion-content {
      color: var(--muted);
      border: 0;
      background: rgba(3, 10, 21, .42);
      padding: 0 20px 20px;
      line-height: 1.8;
    }

    .is-active > .accordion-title {
      border-bottom: 1px solid rgba(57,230,210,.22);
      box-shadow: inset 0 1px 0 rgba(57,230,210,.18);
    }

    .footer {
      padding: 52px 0 34px;
      border-top: 1px solid rgba(132, 208, 255, .16);
      background: rgba(2, 7, 16, .82);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) repeat(2, minmax(180px, .45fr));
      gap: 28px;
      align-items: start;
    }

    .footer h3,
    .footer h4 {
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer p,
    .footer a {
      color: var(--muted);
      font-size: 14px;
    }

    .footer a {
      display: block;
      padding: 5px 0;
    }

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

    .copyright {
      margin-top: 30px;
      padding-top: 18px;
      border-top: 1px solid rgba(132, 208, 255, .12);
      color: #71869a;
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      border-top: 1px solid rgba(57, 230, 210, .38);
      background: rgba(4, 13, 27, .88);
      backdrop-filter: blur(18px);
      box-shadow: 0 -16px 38px rgba(0, 0, 0, .34);
    }

    .fixed-cta-inner {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .fixed-cta strong {
      display: block;
      color: #ffffff;
      line-height: 1.35;
    }

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

    .fixed-actions {
      display: flex;
      gap: 10px;
      flex-shrink: 0;
    }

    @media screen and (max-width: 1024px) {
      h1 {
        font-size: 42px;
      }

      .top-row {
        flex-wrap: wrap;
      }

      .brand {
        min-width: auto;
        flex: 1;
      }

      .nav-search {
        order: 3;
        flex-basis: 100%;
      }

      .hero-stage {
        padding: 34px;
      }

      .entry-matrix {
        position: relative;
        right: auto;
        bottom: auto;
        width: 100%;
        margin-top: 34px;
      }

      .countdown-wrap,
      .feature-wall,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .compare-grid,
      .quote-grid,
      .data-panel {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media screen and (max-width: 768px) {
      body {
        padding-bottom: 84px;
      }

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

      .section {
        padding: 54px 0;
      }

      .section.tight {
        padding: 42px 0;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 26px;
      }

      .hero {
        padding: 42px 0;
        min-height: auto;
      }

      .hero-stage {
        min-height: auto;
        padding: 24px;
      }

      .hero-stage::before {
        inset: 12px;
      }

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

      .hero-metrics,
      .entry-matrix,
      .countdown-box,
      .compare-grid,
      .quote-grid,
      .data-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .sample-card {
        min-height: 220px;
      }

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

      .news-list span {
        white-space: normal;
      }

      .fixed-cta-inner {
        min-height: 66px;
        width: min(100% - 20px, var(--max));
      }

      .fixed-cta span {
        display: none;
      }

      .fixed-actions .ghost {
        display: none;
      }

      .fixed-actions .button {
        min-height: 42px;
        padding-inline: 12px;
      }
    }

    @media screen and (max-width: 520px) {
      .brand-name {
        font-size: 16px;
        max-width: 170px;
      }

      .top-row {
        gap: 12px;
      }

      .top-row > .button {
        width: 100%;
      }

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

      .metric,
      .matrix-card,
      .glass-card,
      .sample-card,
      .compare-card,
      .quote-card,
      .data-card {
        padding: 18px;
      }

      .cta-panel {
        padding: 22px;
      }

      .fixed-cta strong {
        font-size: 14px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #06111f;
      --bg-deep: #030914;
      --panel: rgba(12, 29, 50, .76);
      --panel-strong: rgba(15, 36, 62, .9);
      --panel-soft: rgba(255, 255, 255, .045);
      --line: rgba(125, 211, 252, .24);
      --line-strong: rgba(82, 182, 255, .58);
      --text: #eef7ff;
      --muted: #a9bed0;
      --weak: #7890a4;
      --blue: #22a7ff;
      --cyan: #5eead4;
      --green: #55d6a7;
      --violet: #a7b2ff;
      --graphite: #101925;
      --radius: 8px;
      --radius-lg: 10px;
      --shadow: 0 22px 70px rgba(0, 0, 0, .35);
      --glow: 0 0 0 1px rgba(94, 234, 212, .18), 0 0 28px rgba(34, 167, 255, .32);
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: var(--font);
      line-height: 1.7;
      background:
        linear-gradient(rgba(94, 234, 212, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(94, 234, 212, .035) 1px, transparent 1px),
        radial-gradient(circle at 18% 8%, rgba(34, 167, 255, .22), transparent 28%),
        linear-gradient(135deg, #030914 0%, #071426 44%, #0b1625 100%);
      background-size: 42px 42px, 42px 42px, auto, auto;
      padding-bottom: 92px;
    }

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

    a:hover,
    a:focus {
      color: #ffffff;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button:focus,
    input:focus,
    textarea:focus,
    a:focus {
      outline: 2px solid rgba(94, 234, 212, .82);
      outline-offset: 3px;
    }

    .wrap {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .section {
      padding: 64px 0;
      position: relative;
    }

    .section-tight {
      padding: 44px 0;
    }

    .top-glass {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(5, 16, 30, .78);
      border-bottom: 1px solid rgba(125, 211, 252, .2);
      backdrop-filter: blur(20px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, .22);
    }

    .top-row {
      min-height: 74px;
      display: flex;
      align-items: center;
      gap: 22px;
    }

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

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      color: #dffcff;
      font-weight: 800;
      border: 1px solid rgba(94, 234, 212, .45);
      background:
        linear-gradient(135deg, rgba(34, 167, 255, .2), rgba(94, 234, 212, .08)),
        rgba(255, 255, 255, .04);
      box-shadow: inset 0 0 18px rgba(34, 167, 255, .18), 0 0 20px rgba(34, 167, 255, .18);
      border-radius: 7px;
    }

    .brand-name {
      font-size: 17px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .nav-search {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 240px;
      padding: 6px;
      border: 1px solid rgba(125, 211, 252, .22);
      background: rgba(255, 255, 255, .055);
      border-radius: var(--radius);
    }

    .nav-search input {
      height: 38px;
      flex: 1;
      border: 0;
      color: var(--text);
      background: transparent;
      box-shadow: none;
      margin: 0;
      padding: 0 10px;
    }

    .nav-search input::placeholder {
      color: rgba(199, 219, 235, .62);
    }

    .button {
      border-radius: var(--radius);
      min-height: 44px;
      padding: 12px 20px;
      margin: 0;
      font-weight: 700;
      letter-spacing: 0;
      border: 1px solid transparent;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      line-height: 1.2;
      cursor: pointer;
    }

    .button.primary-glow {
      color: #02111e;
      background: linear-gradient(135deg, #5eead4, #22a7ff 54%, #87c7ff);
      box-shadow: var(--glow);
    }

    .button.primary-glow:hover {
      color: #00111d;
      transform: translateY(-1px);
      box-shadow: 0 0 0 1px rgba(94, 234, 212, .28), 0 0 38px rgba(34, 167, 255, .45);
    }

    .button.ghost {
      color: var(--text);
      background: rgba(255, 255, 255, .045);
      border-color: rgba(125, 211, 252, .35);
    }

    .button.ghost:hover {
      border-color: rgba(94, 234, 212, .62);
      background: rgba(94, 234, 212, .08);
      transform: translateY(-1px);
    }

    .button.compact {
      min-height: 36px;
      padding: 9px 14px;
      font-size: 14px;
    }

    .channel-row {
      border-top: 1px solid rgba(255, 255, 255, .06);
      background: rgba(3, 9, 20, .34);
    }

    .channel-tabs {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 11px 0;
      scrollbar-width: thin;
      scrollbar-color: rgba(94, 234, 212, .28) transparent;
    }

    .channel-tabs a {
      flex: 0 0 auto;
      padding: 8px 14px;
      color: var(--muted);
      border: 1px solid rgba(125, 211, 252, .18);
      background: rgba(255, 255, 255, .035);
      border-radius: 999px;
      font-size: 14px;
    }

    .channel-tabs a:hover {
      color: #fff;
      border-color: rgba(94, 234, 212, .45);
      background: rgba(94, 234, 212, .07);
    }

    .channel-tabs a.active {
      color: #eaffff;
      border-color: rgba(94, 234, 212, .7);
      box-shadow: 0 0 22px rgba(34, 167, 255, .24);
      background: linear-gradient(135deg, rgba(34, 167, 255, .18), rgba(94, 234, 212, .08));
    }

    .crumbs {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      color: var(--weak);
      font-size: 14px;
      margin-bottom: 20px;
    }

    .crumbs a {
      color: var(--muted);
    }

    .page-hero {
      padding: 56px 0 38px;
      border-bottom: 1px solid rgba(125, 211, 252, .14);
      background:
        linear-gradient(90deg, rgba(34, 167, 255, .08), transparent 64%),
        linear-gradient(180deg, rgba(255, 255, 255, .035), transparent);
    }

    .hero-grid {
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 28px;
      height: 1px;
      background: var(--cyan);
      box-shadow: 0 0 14px rgba(94, 234, 212, .45);
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 760px;
      font-size: 44px;
      line-height: 1.16;
      font-weight: 850;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    h2 {
      font-size: 30px;
      line-height: 1.25;
      font-weight: 820;
      letter-spacing: 0;
      margin-bottom: 14px;
    }

    h3 {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 780;
      margin-bottom: 10px;
    }

    p {
      color: var(--muted);
      font-size: 16px;
    }

    .lead {
      max-width: 760px;
      font-size: 17px;
      color: #c3d7e8;
      margin-bottom: 24px;
    }

    .hero-actions,
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 26px 0 18px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .trust-strip span {
      border: 1px solid rgba(125, 211, 252, .2);
      background: rgba(255, 255, 255, .04);
      border-radius: var(--radius);
      padding: 7px 10px;
    }

    .guide-panel,
    .glass-card,
    .side-card,
    .list-card,
    .faq-card {
      border: 1px solid var(--line);
      background: var(--panel);
      backdrop-filter: blur(18px);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .guide-panel {
      height: 100%;
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .guide-panel::before,
    .glass-card::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(90deg, rgba(94, 234, 212, .06) 1px, transparent 1px),
        linear-gradient(rgba(94, 234, 212, .04) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: .35;
    }

    .guide-panel > *,
    .glass-card > * {
      position: relative;
      z-index: 1;
    }

    .check-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: #d5e7f5;
      padding: 12px;
      border: 1px solid rgba(125, 211, 252, .16);
      background: rgba(255, 255, 255, .04);
      border-radius: var(--radius);
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      height: 22px;
      display: grid;
      place-items: center;
      color: #052018;
      background: var(--cyan);
      border-radius: 5px;
      font-weight: 900;
      line-height: 1;
      margin-top: 2px;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 28px;
    }

    .section-head p {
      margin-bottom: 0;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 5px 10px;
      border-radius: 999px;
      color: #dff7ff;
      font-size: 13px;
      border: 1px solid rgba(125, 211, 252, .26);
      background: rgba(255, 255, 255, .045);
    }

    .badge.good {
      border-color: rgba(85, 214, 167, .42);
      color: #baf8df;
      background: rgba(85, 214, 167, .08);
    }

    .glass-card {
      position: relative;
      overflow: hidden;
      padding: 24px;
      min-height: 100%;
    }

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

    .sample-card {
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .card-num {
      width: 42px;
      height: 32px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(94, 234, 212, .32);
      border-radius: 6px;
      margin-bottom: 18px;
      background: rgba(94, 234, 212, .06);
    }

    .compare-wrap {
      overflow-x: auto;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .035);
    }

    .compare-table {
      width: 100%;
      min-width: 680px;
      border-collapse: collapse;
      margin: 0;
      color: var(--text);
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 18px;
      text-align: left;
      border-bottom: 1px solid rgba(125, 211, 252, .14);
      vertical-align: top;
    }

    .compare-table th {
      color: #dffcff;
      font-weight: 800;
      background: rgba(34, 167, 255, .08);
    }

    .compare-table td {
      color: var(--muted);
    }

    .compare-table tr:last-child td {
      border-bottom: 0;
    }

    .content-layout {
      align-items: flex-start;
    }

    .main-stack {
      display: grid;
      gap: 18px;
    }

    .list-card {
      padding: 22px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .list-card:hover {
      transform: translateY(-2px);
      border-color: rgba(94, 234, 212, .45);
      box-shadow: 0 22px 64px rgba(0, 0, 0, .42), 0 0 24px rgba(34, 167, 255, .14);
    }

    .list-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin: 12px 0 16px;
    }

    .list-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid rgba(125, 211, 252, .14);
    }

    .link-arrow {
      color: var(--cyan);
      font-weight: 800;
    }

    .side-stack {
      position: sticky;
      top: 146px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 20px;
    }

    .side-card h3 {
      font-size: 18px;
    }

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

    .quick-links a {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 11px 12px;
      color: var(--muted);
      border: 1px solid rgba(125, 211, 252, .16);
      background: rgba(255, 255, 255, .035);
      border-radius: var(--radius);
    }

    .quick-links a:hover {
      color: #fff;
      border-color: rgba(94, 234, 212, .42);
      background: rgba(94, 234, 212, .06);
    }

    .notice-list {
      margin: 0;
      padding-left: 18px;
      color: var(--muted);
    }

    .notice-list li {
      margin-bottom: 8px;
    }

    .route-map {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(90deg, rgba(94, 234, 212, .055) 1px, transparent 1px),
        linear-gradient(rgba(94, 234, 212, .045) 1px, transparent 1px),
        rgba(6, 17, 31, .62);
      background-size: 34px 34px;
      box-shadow: var(--shadow);
    }

    .route-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 22px;
    }

    .route-step {
      min-height: 150px;
      padding: 18px;
      border: 1px solid rgba(125, 211, 252, .22);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .045);
      position: relative;
    }

    .route-step::after {
      content: "";
      position: absolute;
      right: -14px;
      top: 50%;
      width: 14px;
      height: 1px;
      background: rgba(94, 234, 212, .55);
      box-shadow: 0 0 14px rgba(94, 234, 212, .5);
    }

    .route-step:last-child::after {
      display: none;
    }

    .route-step strong {
      display: block;
      color: var(--cyan);
      margin-bottom: 8px;
    }

    .route-step p {
      font-size: 14px;
      margin-bottom: 0;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid rgba(125, 211, 252, .22);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(12, 29, 50, .72);
      backdrop-filter: blur(16px);
    }

    .accordion-title {
      color: #eaf8ff;
      border: 0;
      padding: 18px 52px 18px 20px;
      font-size: 16px;
      font-weight: 800;
      background: rgba(255, 255, 255, .035);
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: #fff;
      background: rgba(34, 167, 255, .08);
    }

    .accordion-title::before {
      color: var(--cyan);
      right: 20px;
      margin-top: -10px;
      font-size: 22px;
    }

    .accordion-content {
      color: var(--muted);
      border: 0;
      border-top: 1px solid rgba(125, 211, 252, .16);
      background: rgba(3, 9, 20, .38);
      padding: 18px 20px;
    }

    .is-active > .accordion-title {
      border-color: rgba(94, 234, 212, .56);
      box-shadow: inset 0 0 0 1px rgba(94, 234, 212, .18);
    }

    .cta-band {
      border-top: 1px solid rgba(125, 211, 252, .16);
      border-bottom: 1px solid rgba(125, 211, 252, .16);
      background:
        linear-gradient(90deg, rgba(34, 167, 255, .13), rgba(94, 234, 212, .055)),
        rgba(3, 9, 20, .42);
    }

    .cta-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      padding: 30px;
      border: 1px solid rgba(125, 211, 252, .24);
      border-radius: var(--radius-lg);
      background: rgba(12, 29, 50, .72);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .cta-panel p {
      margin-bottom: 0;
    }

    .footer {
      padding: 54px 0 28px;
      background: #030914;
      border-top: 1px solid rgba(125, 211, 252, .18);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr .8fr .8fr;
      gap: 38px;
      margin-bottom: 34px;
    }

    .footer h3,
    .footer h4 {
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer p {
      max-width: 460px;
      margin-bottom: 0;
    }

    .footer a {
      display: block;
      color: var(--muted);
      margin: 8px 0;
    }

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

    .copyright {
      color: var(--weak);
      font-size: 13px;
      padding-top: 18px;
      border-top: 1px solid rgba(125, 211, 252, .12);
    }

    .fixed-bar {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      border-top: 1px solid rgba(94, 234, 212, .38);
      background: rgba(5, 16, 30, .84);
      backdrop-filter: blur(18px);
      box-shadow: 0 -16px 48px rgba(0, 0, 0, .32);
    }

    .fixed-inner {
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .fixed-text {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      color: #dcefff;
      font-weight: 700;
    }

    .fixed-dot {
      width: 10px;
      height: 10px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(94, 234, 212, .8);
    }

    .fixed-actions {
      display: flex;
      gap: 10px;
      flex: 0 0 auto;
    }

    @media screen and (max-width: 1024px) {
      .top-row {
        flex-wrap: wrap;
        padding: 14px 0;
        gap: 14px;
      }

      .nav-search {
        order: 3;
        flex-basis: 100%;
      }

      h1 {
        font-size: 38px;
      }

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

      .route-step::after {
        display: none;
      }

      .side-stack {
        position: static;
        margin-top: 18px;
      }

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

    @media screen and (max-width: 768px) {
      body {
        padding-bottom: 78px;
      }

      .wrap {
        width: min(100% - 28px, 1180px);
      }

      .section {
        padding: 46px 0;
      }

      .page-hero {
        padding: 40px 0 30px;
      }

      h1 {
        font-size: 32px;
        line-height: 1.22;
      }

      h2 {
        font-size: 25px;
      }

      .brand-name {
        font-size: 15px;
        white-space: normal;
      }

      .top-row > .button.primary-glow {
        min-height: 42px;
        padding: 10px 14px;
      }

      .hero-actions,
      .cta-actions,
      .fixed-actions {
        width: 100%;
      }

      .hero-actions .button,
      .cta-actions .button {
        flex: 1 1 180px;
      }

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

      .compare-table {
        min-width: 620px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .fixed-inner {
        min-height: 64px;
        gap: 10px;
      }

      .fixed-text {
        font-size: 14px;
      }

      .fixed-actions .button {
        min-height: 42px;
        padding: 10px 12px;
        font-size: 14px;
      }
    }

    @media screen and (max-width: 520px) {
      .top-row {
        align-items: stretch;
      }

      .brand {
        max-width: calc(100% - 112px);
      }

      .nav-search {
        min-width: 0;
      }

      .nav-search input {
        min-width: 0;
      }

      .button.compact {
        padding: 8px 10px;
      }

      .guide-panel,
      .glass-card,
      .list-card,
      .side-card,
      .route-map,
      .cta-panel {
        padding: 18px;
      }

      .trust-strip span {
        width: 100%;
      }

      .fixed-inner {
        flex-direction: column;
        align-items: stretch;
        padding: 8px 0;
      }

      .fixed-text {
        justify-content: center;
      }

      .fixed-actions {
        justify-content: center;
      }

      .fixed-actions .button {
        flex: 1;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #06101f;
      --bg-deep: #030814;
      --panel: rgba(10, 25, 48, 0.76);
      --panel-strong: rgba(14, 34, 64, 0.9);
      --panel-soft: rgba(255, 255, 255, 0.055);
      --text: #edf7ff;
      --muted: #9bb2c8;
      --weak: #6f8399;
      --line: rgba(133, 202, 255, 0.22);
      --line-strong: rgba(94, 207, 255, 0.55);
      --blue: #20a7ff;
      --cyan: #4de3df;
      --green: #5fe0a8;
      --violet: #8da2ff;
      --stone: #d7e1ea;
      --radius: 8px;
      --radius-lg: 10px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
      --glow: 0 0 0 1px rgba(77, 227, 223, 0.16), 0 16px 42px rgba(32, 167, 255, 0.28);
      --wrap: 1220px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      letter-spacing: 0;
      background:
        linear-gradient(rgba(77, 227, 223, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77, 227, 223, 0.035) 1px, transparent 1px),
        radial-gradient(circle at 18% 6%, rgba(32, 167, 255, 0.16), transparent 34%),
        linear-gradient(135deg, #07172b 0%, #06101f 46%, #030814 100%);
      background-size: 44px 44px, 44px 44px, auto, auto;
      min-height: 100vh;
      padding-bottom: 92px;
    }

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

    a:hover,
    a:focus {
      color: #ffffff;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    input,
    textarea {
      width: 100%;
      color: var(--text);
      background: rgba(4, 13, 26, 0.72);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      outline: none;
      transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
    }

    input:focus,
    textarea:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(77, 227, 223, 0.14);
      background: rgba(6, 18, 35, 0.92);
    }

    input::placeholder,
    textarea::placeholder {
      color: rgba(207, 225, 239, 0.48);
    }

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

    .top-glass {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(4, 14, 29, 0.82);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(20px);
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.24);
    }

    .top-row {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 700;
      color: var(--text);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      color: #07101f;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      border: 1px solid rgba(255, 255, 255, 0.5);
      border-radius: 6px;
      box-shadow: var(--glow);
    }

    .brand-name {
      font-size: 18px;
      line-height: 1.25;
      max-width: 260px;
      overflow-wrap: anywhere;
    }

    .nav-search {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 240px;
      margin: 0;
    }

    .nav-search input {
      height: 44px;
      padding: 0 15px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 20px;
      margin: 0;
      border-radius: var(--radius);
      font-weight: 700;
      line-height: 1;
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .button.primary-glow {
      color: #041121;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      border-color: rgba(255, 255, 255, 0.24);
      box-shadow: 0 10px 30px rgba(32, 167, 255, 0.32);
    }

    .button.primary-glow:hover,
    .button.primary-glow:focus {
      color: #020915;
      transform: translateY(-2px);
      box-shadow: 0 14px 42px rgba(77, 227, 223, 0.34);
    }

    .button.ghost {
      color: var(--text);
      background: rgba(255, 255, 255, 0.045);
      border-color: var(--line);
    }

    .button.ghost:hover,
    .button.ghost:focus {
      border-color: var(--line-strong);
      box-shadow: 0 10px 30px rgba(32, 167, 255, 0.18);
      transform: translateY(-2px);
    }

    .button.compact {
      min-height: 42px;
      padding: 0 16px;
    }

    .channel-row {
      border-top: 1px solid rgba(133, 202, 255, 0.12);
      background: rgba(5, 17, 35, 0.66);
    }

    .channel-tabs {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 54px;
      overflow-x: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(77, 227, 223, 0.35) transparent;
    }

    .channel-tabs a {
      flex: 0 0 auto;
      padding: 9px 15px;
      color: var(--muted);
      border: 1px solid rgba(133, 202, 255, 0.16);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.035);
      font-size: 14px;
      line-height: 1;
    }

    .channel-tabs a:hover,
    .channel-tabs a:focus {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(32, 167, 255, 0.11);
    }

    .channel-tabs a.active {
      color: #f6feff;
      border-color: rgba(77, 227, 223, 0.72);
      background: linear-gradient(135deg, rgba(32, 167, 255, 0.2), rgba(77, 227, 223, 0.12));
      box-shadow: 0 0 24px rgba(32, 167, 255, 0.18);
    }

    .section {
      padding: 66px 0;
      position: relative;
    }

    .section.tight {
      padding-top: 42px;
    }

    .section-band {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(10, 25, 48, 0.34));
      border-top: 1px solid rgba(133, 202, 255, 0.08);
      border-bottom: 1px solid rgba(133, 202, 255, 0.08);
    }

    .hero {
      padding: 58px 0 64px;
      overflow: hidden;
    }

    .hero h1 {
      margin: 0 0 18px;
      color: #ffffff;
      font-size: 46px;
      line-height: 1.14;
      font-weight: 800;
      letter-spacing: 0;
      max-width: 760px;
    }

    .hero p {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
      max-width: 720px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      padding: 7px 10px;
      color: #bff7ff;
      border: 1px solid rgba(77, 227, 223, 0.3);
      border-radius: 999px;
      background: rgba(77, 227, 223, 0.08);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-actions,
    .cta-actions,
    .list-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 26px;
    }

    .live-cover {
      min-height: 420px;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(77, 227, 223, 0.12), transparent 36%),
        linear-gradient(160deg, rgba(13, 35, 67, 0.9), rgba(4, 12, 25, 0.88));
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .live-cover::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(215, 225, 234, 0.1);
      background:
        linear-gradient(rgba(215, 225, 234, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(215, 225, 234, 0.05) 1px, transparent 1px);
      background-size: 28px 28px;
      pointer-events: none;
    }

    .cover-content {
      position: relative;
      z-index: 1;
      display: flex;
      min-height: 372px;
      flex-direction: column;
      justify-content: space-between;
    }

    .cover-labels {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 9px;
      color: #d8f7ff;
      border: 1px solid rgba(133, 202, 255, 0.22);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.055);
      font-size: 13px;
      line-height: 1.1;
    }

    .badge.hot {
      color: #081322;
      background: linear-gradient(135deg, var(--green), var(--cyan));
      border-color: rgba(255, 255, 255, 0.28);
      font-weight: 800;
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 26px 0;
    }

    .time-box {
      padding: 14px 10px;
      text-align: center;
      border: 1px solid rgba(77, 227, 223, 0.22);
      border-radius: var(--radius);
      background: rgba(3, 9, 20, 0.52);
    }

    .time-box strong {
      display: block;
      color: #ffffff;
      font-size: 28px;
      line-height: 1.1;
    }

    .time-box span {
      color: var(--weak);
      font-size: 12px;
    }

    .subscribe-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      align-items: center;
    }

    .subscribe-box input {
      height: 44px;
      padding: 0 14px;
    }

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

    .section-head h2 {
      margin: 0;
      color: #ffffff;
      font-size: 31px;
      line-height: 1.22;
      font-weight: 800;
    }

    .section-head p {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 680px;
    }

    .glass-card {
      height: 100%;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
    }

    .sample-card {
      position: relative;
      overflow: hidden;
    }

    .sample-card::after {
      content: attr(data-no);
      position: absolute;
      right: 18px;
      top: 14px;
      color: rgba(215, 225, 234, 0.18);
      font-size: 34px;
      font-weight: 800;
      line-height: 1;
    }

    .sample-card h3,
    .list-card h3,
    .side-panel h3,
    .process-card h3 {
      margin: 0 0 10px;
      color: #ffffff;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
    }

    .sample-card p,
    .list-card p,
    .side-panel p,
    .process-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.72;
    }

    .divider {
      height: 1px;
      margin: 18px 0;
      background: linear-gradient(90deg, rgba(77, 227, 223, 0.45), transparent);
    }

    .layout-grid {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .filter-sidebar {
      position: sticky;
      top: 150px;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(7, 19, 37, 0.82);
      backdrop-filter: blur(18px);
    }

    .filter-sidebar h2 {
      margin: 0 0 14px;
      color: #ffffff;
      font-size: 20px;
      font-weight: 800;
    }

    .filter-group {
      padding: 16px 0;
      border-top: 1px solid rgba(133, 202, 255, 0.12);
    }

    .filter-group:first-of-type {
      border-top: 0;
      padding-top: 0;
    }

    .filter-group h3 {
      margin: 0 0 12px;
      color: #cfe7f8;
      font-size: 14px;
      font-weight: 800;
    }

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

    .pill-list a,
    .pill-list button {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 11px;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid rgba(133, 202, 255, 0.16);
      border-radius: 999px;
      font-size: 13px;
      cursor: pointer;
    }

    .pill-list a:hover,
    .pill-list a:focus,
    .pill-list button:hover,
    .pill-list button:focus,
    .pill-list .selected {
      color: #ffffff;
      border-color: rgba(77, 227, 223, 0.58);
      background: rgba(77, 227, 223, 0.1);
    }

    .content-list {
      display: grid;
      gap: 14px;
    }

    .list-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 20px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(10, 25, 48, 0.72);
      box-shadow: 0 14px 44px rgba(0, 0, 0, 0.22);
      transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
    }

    .list-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      background: rgba(12, 31, 59, 0.88);
      box-shadow: 0 18px 54px rgba(32, 167, 255, 0.14);
    }

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

    .status {
      align-self: start;
      min-width: 102px;
      padding: 9px 10px;
      color: #c9f7ff;
      text-align: center;
      border: 1px solid rgba(77, 227, 223, 0.28);
      border-radius: var(--radius);
      background: rgba(77, 227, 223, 0.08);
      font-size: 13px;
      font-weight: 800;
    }

    .process-line {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .process-card {
      position: relative;
      min-height: 190px;
      padding: 22px;
      border: 1px solid rgba(133, 202, 255, 0.18);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
    }

    .process-card .num {
      display: inline-grid;
      place-items: center;
      width: 34px;
      height: 34px;
      margin-bottom: 16px;
      color: #07101f;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      border-radius: 6px;
      font-weight: 900;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 20px;
    }

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

    .proof-item {
      padding: 16px;
      border: 1px solid rgba(133, 202, 255, 0.16);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.045);
    }

    .proof-item strong {
      display: block;
      color: #ffffff;
      font-size: 24px;
      line-height: 1.1;
    }

    .proof-item span {
      color: var(--weak);
      font-size: 13px;
    }

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

    .notice-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
    }

    .notice-list li::before {
      content: "";
      flex: 0 0 8px;
      width: 8px;
      height: 8px;
      margin-top: 10px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(77, 227, 223, 0.55);
    }

    .accordion {
      background: transparent;
      margin: 0;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(9, 22, 43, 0.78);
    }

    .accordion-title {
      color: #ffffff;
      border: 0;
      padding: 18px 48px 18px 20px;
      font-size: 16px;
      font-weight: 800;
      background: rgba(255, 255, 255, 0.035);
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: #ffffff;
      background: rgba(32, 167, 255, 0.1);
      border: 0;
    }

    .accordion-content {
      color: var(--muted);
      border: 0;
      border-top: 1px solid rgba(133, 202, 255, 0.13);
      background: rgba(3, 9, 20, 0.42);
      padding: 18px 20px;
    }

    .accordion-item.is-active {
      border-color: rgba(77, 227, 223, 0.48);
      box-shadow: 0 0 28px rgba(32, 167, 255, 0.12);
    }

    .cta-panel {
      padding: 34px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(32, 167, 255, 0.18), rgba(77, 227, 223, 0.08)),
        rgba(9, 22, 43, 0.86);
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      color: #ffffff;
      font-size: 30px;
      font-weight: 800;
    }

    .cta-panel p {
      margin: 0;
      color: var(--muted);
      max-width: 760px;
    }

    .footer {
      padding: 54px 0 30px;
      color: var(--muted);
      background: rgba(2, 8, 17, 0.92);
      border-top: 1px solid rgba(133, 202, 255, 0.14);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr 0.75fr 0.75fr;
      gap: 32px;
      margin-bottom: 28px;
    }

    .footer h3,
    .footer h4 {
      margin: 0 0 12px;
      color: #ffffff;
      font-weight: 800;
    }

    .footer p {
      margin: 0;
      max-width: 460px;
    }

    .footer a {
      display: block;
      width: fit-content;
      color: var(--muted);
      margin: 8px 0;
    }

    .footer a:hover,
    .footer a:focus {
      color: var(--cyan);
    }

    .copyright {
      padding-top: 18px;
      border-top: 1px solid rgba(133, 202, 255, 0.12);
      color: var(--weak);
      font-size: 14px;
    }

    .fixed-convert {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      padding: 12px 0;
      background: rgba(4, 14, 29, 0.86);
      border-top: 1px solid rgba(77, 227, 223, 0.42);
      backdrop-filter: blur(18px);
      box-shadow: 0 -14px 48px rgba(0, 0, 0, 0.35);
    }

    .fixed-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .fixed-copy {
      color: var(--muted);
      min-width: 0;
    }

    .fixed-copy strong {
      display: block;
      color: #ffffff;
      line-height: 1.25;
    }

    .fixed-actions {
      display: flex;
      gap: 10px;
      flex: 0 0 auto;
    }

    @media screen and (max-width: 1024px) {
      .top-row {
        flex-wrap: wrap;
        padding: 14px 0;
      }

      .nav-search {
        order: 3;
        flex-basis: 100%;
      }

      .hero h1 {
        font-size: 38px;
      }

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

      .filter-sidebar {
        position: static;
      }

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

    @media screen and (max-width: 768px) {
      body {
        padding-bottom: 104px;
      }

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

      .hero {
        padding: 40px 0 48px;
      }

      .hero h1 {
        font-size: 32px;
        line-height: 1.22;
      }

      .section {
        padding: 46px 0;
      }

      .section-head {
        display: block;
      }

      .live-cover {
        min-height: auto;
        padding: 18px;
      }

      .cover-content {
        min-height: 320px;
      }

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

      .subscribe-box {
        grid-template-columns: 1fr;
      }

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

      .status {
        width: fit-content;
      }

      .process-line,
      .proof-strip,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 24px;
      }

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

      .fixed-copy {
        font-size: 13px;
      }
    }

    @media screen and (max-width: 520px) {
      .top-row {
        gap: 12px;
      }

      .brand-name {
        max-width: 210px;
        font-size: 16px;
      }

      .top-row > .button.primary-glow {
        width: 100%;
      }

      .nav-search {
        display: grid;
        grid-template-columns: 1fr auto;
      }

      .nav-search input {
        min-width: 0;
      }

      .button {
        min-height: 42px;
        padding: 0 14px;
      }

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

      .section-head h2,
      .cta-panel h2 {
        font-size: 25px;
      }

      .fixed-inner {
        flex-direction: column;
        gap: 10px;
      }

      .fixed-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
      }

      .fixed-actions .button {
        width: 100%;
      }
    }