/* roulang page: index */
:root {
      --green-900: #0b3525;
      --green-800: #124C34;
      --green-700: #0F5A3D;
      --green-600: #16704c;
      --lime: #D7F43B;
      --lime-2: #CFF238;
      --orange: #FF8A3D;
      --cream: #F7F2E8;
      --grass: #EEF6E8;
      --white: #FFFFFF;
      --ink: #18251E;
      --muted: #66756B;
      --line: rgba(18, 76, 52, .12);
      --shadow: 0 18px 50px rgba(18, 76, 52, .13);
      --shadow-soft: 0 12px 30px rgba(18, 76, 52, .09);
      --radius-sm: 14px;
      --radius: 22px;
      --radius-lg: 32px;
      --max: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--ink);
      background: linear-gradient(180deg, var(--cream) 0%, #fff 42%, var(--grass) 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: .22s ease; }
    img { max-width: 100%; height: auto; display: block; }
    button, input { font-family: inherit; }
    ::selection { background: var(--lime); color: var(--green-900); }

    .site-wrap { min-height: 100vh; }
    .container {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }
    .section {
      padding: 88px 0;
      scroll-margin-top: 140px;
      position: relative;
    }
    .section-tight { padding: 58px 0; }
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 26px;
      margin-bottom: 34px;
    }
    .section-head .eyebrow { margin-bottom: 12px; }
    .section-title {
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.16;
      font-weight: 800;
      letter-spacing: -.04em;
      margin: 0;
      color: var(--green-900);
    }
    .section-desc {
      max-width: 650px;
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 17px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(215, 244, 59, .62);
      color: var(--green-900);
      font-weight: 800;
      font-size: 13px;
      border: 1px solid rgba(18, 76, 52, .12);
    }
    .eyebrow i { color: var(--green-700); }

    .top-shell {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 242, 232, .92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 10px 30px rgba(18, 76, 52, .05);
    }
    .main-nav {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 900;
      color: var(--green-900);
      letter-spacing: -.03em;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--green-900);
      background:
        linear-gradient(135deg, var(--lime), #fff 48%, var(--green-700) 49%, var(--green-800));
      box-shadow: 0 12px 24px rgba(18, 76, 52, .16);
      position: relative;
      overflow: hidden;
    }
    .brand-mark:after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid rgba(255,255,255,.75);
      border-radius: 10px;
      transform: rotate(-8deg);
    }
    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }
    .brand-text strong { font-size: 17px; }
    .brand-text span { font-size: 12px; color: var(--muted); font-weight: 700; letter-spacing: 0; }

    .search-box {
      flex: 1;
      max-width: 430px;
      position: relative;
    }
    .search-box i {
      position: absolute;
      left: 17px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
      pointer-events: none;
    }
    .search-box input {
      width: 100%;
      height: 46px;
      border-radius: 999px;
      border: 1px solid rgba(18, 76, 52, .12);
      background: rgba(238, 246, 232, .82);
      padding: 0 18px 0 44px;
      color: var(--ink);
      outline: 0;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
      transition: .22s ease;
    }
    .search-box input:focus {
      border-color: var(--lime);
      background: #fff;
      box-shadow: 0 0 0 5px rgba(215, 244, 59, .22);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
    }
    .channel-row {
      border-top: 1px solid rgba(18, 76, 52, .08);
      overflow-x: auto;
      scrollbar-width: none;
    }
    .channel-row::-webkit-scrollbar { display: none; }
    .channel-tabs {
      min-height: 52px;
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
    }
    .channel-tabs a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 15px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(18, 76, 52, .10);
      color: var(--green-800);
      font-weight: 800;
      font-size: 14px;
    }
    .channel-tabs a:hover,
    .channel-tabs a:focus {
      transform: translateY(-1px);
      background: var(--grass);
      border-color: rgba(18, 76, 52, .22);
    }
    .channel-tabs a.active {
      background: var(--lime);
      color: var(--green-900);
      box-shadow: 0 8px 18px rgba(215, 244, 59, .28);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border: 0;
      border-radius: 999px;
      padding: 13px 21px;
      min-height: 46px;
      font-weight: 900;
      line-height: 1;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
    }
    .btn-primary {
      background: var(--green-800);
      color: #fff;
      box-shadow: 0 12px 26px rgba(18, 76, 52, .20), inset 0 0 0 1px rgba(215, 244, 59, .18);
    }
    .btn-primary:hover,
    .btn-primary:focus {
      background: var(--lime);
      color: var(--green-900);
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(18, 76, 52, .20);
    }
    .btn-secondary {
      background: #fff;
      color: var(--green-800);
      border: 1px solid rgba(18, 76, 52, .22);
    }
    .btn-secondary:hover,
    .btn-secondary:focus {
      background: var(--grass);
      color: var(--green-900);
      transform: translateY(-2px);
      border-color: var(--green-700);
    }
    .btn-lime {
      background: var(--lime);
      color: var(--green-900);
      box-shadow: 0 13px 24px rgba(215, 244, 59, .27);
    }
    .btn-lime:hover,
    .btn-lime:focus {
      background: var(--orange);
      color: #fff;
      transform: translateY(-2px);
    }
    .btn:focus, .channel-tabs a:focus, .footer a:focus {
      outline: 3px solid rgba(215, 244, 59, .58);
      outline-offset: 3px;
    }

    .campaign-bar {
      background: linear-gradient(90deg, var(--lime), #fff5c9 55%, var(--orange));
      color: var(--green-900);
      border-bottom: 1px solid rgba(18, 76, 52, .12);
      font-weight: 800;
    }
    .campaign-inner {
      min-height: 44px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 14px;
    }
    .score-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(18, 76, 52, .88);
      color: #fff;
      padding: 6px 11px;
      border-radius: 999px;
      font-size: 12px;
      letter-spacing: .03em;
    }

    .hero {
      padding: 70px 0 90px;
      background:
        radial-gradient(circle at 12% 18%, rgba(215,244,59,.35), transparent 28%),
        linear-gradient(135deg, var(--green-900) 0%, var(--green-800) 48%, var(--cream) 48.3%, var(--cream) 100%);
      position: relative;
      overflow: hidden;
    }
    .hero:before {
      content: "";
      position: absolute;
      inset: 32px 5vw auto auto;
      width: 380px;
      height: 380px;
      border: 2px solid rgba(255,255,255,.22);
      border-radius: 50%;
      transform: rotate(18deg);
    }
    .hero:after {
      content: "";
      position: absolute;
      left: -70px;
      bottom: -110px;
      width: 380px;
      height: 210px;
      border: 2px solid rgba(255,255,255,.20);
      border-radius: 50%;
    }
    .hero-stage {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 34px;
      align-items: stretch;
    }
    .hero-copy {
      color: #fff;
      padding: 30px 0 18px;
      max-width: 650px;
    }
    .hero-brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.20);
      color: var(--lime);
      font-weight: 900;
      margin-bottom: 22px;
    }
    h1 {
      font-size: clamp(34px, 5.4vw, 58px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: -.055em;
      margin: 0 0 20px;
      color: #fff;
    }
    .hero-copy p {
      max-width: 610px;
      font-size: 18px;
      color: rgba(255,255,255,.84);
      margin: 0 0 26px;
    }
    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 13px;
      margin-bottom: 28px;
    }
    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 650px;
    }
    .point-card {
      padding: 15px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.18);
      backdrop-filter: blur(10px);
    }
    .point-card strong {
      display: block;
      color: var(--lime);
      font-size: 24px;
      line-height: 1.1;
      font-weight: 900;
    }
    .point-card span {
      display: block;
      margin-top: 5px;
      color: rgba(255,255,255,.78);
      font-size: 13px;
      font-weight: 700;
    }

    .product-stage {
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(18, 76, 52, .13);
      border-radius: var(--radius-lg);
      padding: 18px;
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }
    .product-stage:before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(18, 76, 52, .10);
      border-radius: 24px;
      pointer-events: none;
    }
    .stage-header {
      position: relative;
      z-index: 1;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 8px 8px 15px;
      border-bottom: 1px dashed rgba(18,76,52,.18);
      margin-bottom: 16px;
    }
    .stage-title {
      font-weight: 900;
      color: var(--green-900);
      letter-spacing: -.02em;
    }
    .stage-status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--lime);
      color: var(--green-900);
      font-weight: 900;
      font-size: 12px;
    }
    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--green-800);
      box-shadow: 0 0 0 5px rgba(18,76,52,.12);
    }
    .stage-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .stage-card {
      border-radius: 20px;
      background: #fff;
      border: 1px solid rgba(18,76,52,.10);
      padding: 17px;
      min-height: 126px;
      box-shadow: 0 10px 22px rgba(18,76,52,.07);
    }
    .stage-card.wide { grid-column: span 2; }
    .stage-card.dark {
      background: var(--green-900);
      color: #fff;
      background-image:
        linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.10) 1px, transparent 1px);
      background-size: 44px 44px;
    }
    .stage-card h3 {
      margin: 0 0 10px;
      font-size: 17px;
      line-height: 1.25;
      font-weight: 900;
      color: inherit;
    }
    .stage-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.6;
      font-size: 14px;
    }
    .stage-card.dark p { color: rgba(255,255,255,.78); }
    .subline {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(18,76,52,.08);
      font-size: 13px;
      font-weight: 800;
      color: var(--green-800);
    }
    .subline:last-child { border-bottom: 0; }
    .subline em {
      font-style: normal;
      color: var(--green-900);
      background: var(--grass);
      padding: 3px 8px;
      border-radius: 999px;
    }
    .format-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 10px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 10px;
      background: var(--grass);
      color: var(--green-800);
      border: 1px solid rgba(18,76,52,.10);
      font-size: 12px;
      font-weight: 900;
    }
    .tag.hot { background: var(--lime); color: var(--green-900); }

    .benefit-strip {
      margin-top: -34px;
      position: relative;
      z-index: 4;
    }
    .benefit-panel {
      border-radius: 28px;
      background: #fff;
      border: 1px solid rgba(18,76,52,.12);
      box-shadow: var(--shadow);
      padding: 20px;
    }
    .benefit-grid {
      display: grid;
      grid-template-columns: 1.1fr repeat(3, 1fr);
      gap: 14px;
      align-items: stretch;
    }
    .benefit-lead {
      padding: 20px;
      border-radius: 22px;
      background: var(--green-900);
      color: #fff;
    }
    .benefit-lead strong {
      display: block;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 900;
      margin-bottom: 8px;
      color: var(--lime);
    }
    .benefit-lead span { color: rgba(255,255,255,.78); }
    .mini-ticket {
      position: relative;
      padding: 20px;
      border-radius: 22px;
      background: var(--grass);
      border: 1px solid rgba(18,76,52,.10);
      overflow: hidden;
    }
    .mini-ticket:after {
      content: "";
      position: absolute;
      right: -18px;
      top: 50%;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: #fff;
      transform: translateY(-50%);
      box-shadow: inset 0 0 0 1px rgba(18,76,52,.08);
    }
    .mini-ticket i { color: var(--green-700); font-size: 22px; margin-bottom: 12px; }
    .mini-ticket h3 { margin: 0 0 6px; font-size: 18px; font-weight: 900; color: var(--green-900); }
    .mini-ticket p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

    .value-zone { background: linear-gradient(180deg, #fff 0%, var(--grass) 100%); }
    .value-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 26px;
      align-items: stretch;
    }
    .vertical-card {
      border-radius: var(--radius-lg);
      padding: 32px;
      background: var(--green-800);
      color: #fff;
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }
    .vertical-card:before {
      content: "";
      position: absolute;
      inset: auto -80px -120px auto;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      border: 2px solid rgba(255,255,255,.22);
    }
    .vertical-card h2 {
      color: #fff;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: -.04em;
      margin: 0 0 16px;
    }
    .vertical-card p { color: rgba(255,255,255,.78); margin: 0 0 20px; }
    .check-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 12px;
    }
    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      font-weight: 800;
      color: rgba(255,255,255,.9);
    }
    .check-list i {
      margin-top: 4px;
      color: var(--lime);
    }
    .mosaic-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
    .feature-card {
      padding: 24px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid rgba(18,76,52,.10);
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
      transition: .22s ease;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(18,76,52,.24);
      box-shadow: var(--shadow);
    }
    .feature-card:before {
      content: "";
      position: absolute;
      inset: 0 auto auto 0;
      width: 100%;
      height: 5px;
      background: linear-gradient(90deg, var(--lime), transparent);
    }
    .feature-card .icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: var(--grass);
      color: var(--green-800);
      display: grid;
      place-items: center;
      margin-bottom: 16px;
      font-size: 20px;
    }
    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      font-weight: 900;
      color: var(--green-900);
    }
    .feature-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }

    .orbit-shell {
      border-radius: var(--radius-lg);
      background: var(--green-900);
      padding: 22px;
      box-shadow: var(--shadow);
      border: 1px solid rgba(255,255,255,.18);
      overflow: hidden;
      position: relative;
    }
    .orbit-shell:before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 24px;
      pointer-events: none;
    }
    .orbit-container, .orbit-slide { border-radius: 24px; overflow: hidden; }
    .slide-board {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      min-height: 390px;
      padding: 28px;
      background: #fff;
      align-items: center;
    }
    .ui-shot {
      min-height: 292px;
      border-radius: 24px;
      background:
        linear-gradient(180deg, #f8fbf4, #fff),
        repeating-linear-gradient(90deg, rgba(18,76,52,.07), rgba(18,76,52,.07) 1px, transparent 1px, transparent 42px);
      border: 1px solid rgba(18,76,52,.12);
      padding: 18px;
      box-shadow: inset 0 0 0 6px rgba(238,246,232,.55);
    }
    .shot-top {
      display: flex;
      gap: 7px;
      margin-bottom: 18px;
    }
    .shot-top span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--orange);
    }
    .shot-top span:nth-child(2) { background: var(--lime); }
    .shot-top span:nth-child(3) { background: var(--green-700); }
    .fake-row {
      display: grid;
      grid-template-columns: 78px 1fr 82px;
      gap: 12px;
      align-items: center;
      padding: 13px 0;
      border-bottom: 1px solid rgba(18,76,52,.08);
    }
    .fake-row b {
      height: 24px;
      border-radius: 8px;
      background: var(--green-800);
    }
    .fake-row span {
      height: 12px;
      border-radius: 999px;
      background: var(--grass);
    }
    .fake-row em {
      height: 26px;
      border-radius: 999px;
      background: var(--lime);
    }
    .slide-copy h3 {
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.16;
      margin: 0 0 14px;
      font-weight: 900;
      color: var(--green-900);
      letter-spacing: -.04em;
    }
    .slide-copy p { margin: 0 0 18px; color: var(--muted); }
    .slide-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .orbit-previous,
    .orbit-next {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--lime);
      color: var(--green-900);
      display: grid;
      place-items: center;
      padding: 0;
      transition: .22s ease;
    }
    .orbit-previous:hover,
    .orbit-next:hover { background: #fff; color: var(--green-900); }
    .orbit-bullets button {
      width: 11px;
      height: 11px;
      background: rgba(255,255,255,.38);
    }
    .orbit-bullets button.is-active { background: var(--lime); }

    .system-zone {
      background:
        linear-gradient(180deg, var(--green-900), var(--green-800));
      color: #fff;
      overflow: hidden;
    }
    .system-zone .section-title { color: #fff; }
    .system-zone .section-desc { color: rgba(255,255,255,.74); }
    .spec-board {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .spec-card {
      border-radius: 26px;
      padding: 24px;
      background: rgba(255,255,255,.96);
      color: var(--ink);
      border: 1px solid rgba(255,255,255,.18);
      box-shadow: 0 18px 42px rgba(0,0,0,.10);
    }
    .spec-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(18,76,52,.10);
    }
    .spec-head h3 {
      margin: 0;
      color: var(--green-900);
      font-size: 21px;
      font-weight: 900;
    }
    .spec-num {
      font-weight: 900;
      color: var(--green-900);
      background: var(--lime);
      border-radius: 999px;
      padding: 5px 10px;
      font-size: 13px;
    }
    .spec-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 11px;
    }
    .spec-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      line-height: 1.55;
      font-size: 15px;
    }
    .spec-list i { margin-top: 5px; color: var(--green-700); }

    .info-zone { background: #fff; }
    .info-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 24px;
      align-items: start;
    }
    .info-list {
      display: grid;
      gap: 13px;
    }
    .info-item {
      display: grid;
      grid-template-columns: 46px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-radius: 22px;
      background: var(--grass);
      border: 1px solid rgba(18,76,52,.10);
      transition: .22s ease;
    }
    .info-item:hover {
      transform: translateY(-3px);
      background: #fff;
      box-shadow: var(--shadow-soft);
      border-color: rgba(18,76,52,.24);
    }
    .info-icon {
      width: 46px;
      height: 46px;
      border-radius: 15px;
      background: #fff;
      color: var(--green-800);
      display: grid;
      place-items: center;
      box-shadow: 0 8px 18px rgba(18,76,52,.07);
    }
    .info-item h3 { margin: 0 0 3px; font-size: 18px; font-weight: 900; color: var(--green-900); }
    .info-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
    .info-item .arrow { color: var(--green-800); font-weight: 900; }
    .recommend-card {
      border-radius: 28px;
      padding: 24px;
      background: var(--green-900);
      color: #fff;
      box-shadow: var(--shadow);
      position: sticky;
      top: 150px;
    }
    .recommend-card h3 {
      color: #fff;
      margin: 0 0 12px;
      font-size: 24px;
      font-weight: 900;
      line-height: 1.2;
    }
    .recommend-card p { color: rgba(255,255,255,.78); margin: 0 0 18px; }
    .recommend-card .tag { background: rgba(255,255,255,.13); color: var(--lime); border-color: rgba(255,255,255,.18); }

    .reviews-zone {
      background: linear-gradient(180deg, var(--grass), var(--cream));
    }
    .review-summary {
      display: grid;
      grid-template-columns: 340px 1fr;
      gap: 22px;
      align-items: stretch;
    }
    .score-card {
      border-radius: var(--radius-lg);
      background: var(--green-800);
      color: #fff;
      padding: 30px;
      box-shadow: var(--shadow);
    }
    .score-card strong {
      font-size: 58px;
      line-height: 1;
      font-weight: 900;
      color: var(--lime);
      letter-spacing: -.05em;
    }
    .stars { color: var(--lime); letter-spacing: 2px; margin: 12px 0; }
    .score-card p { margin: 0; color: rgba(255,255,255,.78); }
    .bubble-wall {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 15px;
    }
    .bubble {
      position: relative;
      border-radius: 25px;
      padding: 21px;
      background: #fff;
      border: 1px solid rgba(18,76,52,.10);
      box-shadow: var(--shadow-soft);
    }
    .bubble:after {
      content: "";
      position: absolute;
      left: 28px;
      bottom: -10px;
      width: 20px;
      height: 20px;
      background: #fff;
      border-right: 1px solid rgba(18,76,52,.10);
      border-bottom: 1px solid rgba(18,76,52,.10);
      transform: rotate(45deg);
    }
    .bubble p { margin: 0 0 14px; color: var(--ink); line-height: 1.65; }
    .bubble-person {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }
    .avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--lime);
      color: var(--green-900);
      font-weight: 900;
    }

    .download-zone {
      background: var(--green-900);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .download-zone:before {
      content: "";
      position: absolute;
      inset: 24px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 38px;
      pointer-events: none;
    }
    .download-zone .section-title { color: #fff; }
    .download-zone .section-desc { color: rgba(255,255,255,.74); }
    .download-ribbon {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 14px;
      border-radius: 999px;
      background: var(--orange);
      color: #fff;
      font-weight: 900;
      margin-bottom: 18px;
    }
    .download-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      position: relative;
      z-index: 1;
    }
    .download-ticket {
      min-height: 250px;
      display: flex;
      flex-direction: column;
      border-radius: 28px;
      padding: 22px;
      background: rgba(255,255,255,.96);
      color: var(--ink);
      border: 1px solid rgba(255,255,255,.22);
      position: relative;
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(0,0,0,.12);
      transition: .22s ease;
    }
    .download-ticket:hover {
      transform: translateY(-5px);
      box-shadow: 0 22px 52px rgba(0,0,0,.18);
    }
    .download-ticket:before,
    .download-ticket:after {
      content: "";
      position: absolute;
      top: 50%;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--green-900);
      transform: translateY(-50%);
    }
    .download-ticket:before { left: -14px; }
    .download-ticket:after { right: -14px; }
    .download-ticket .corner {
      position: absolute;
      right: 16px;
      top: 16px;
      background: var(--lime);
      color: var(--green-900);
      border-radius: 999px;
      padding: 5px 9px;
      font-size: 12px;
      font-weight: 900;
    }
    .download-ticket i {
      font-size: 30px;
      color: var(--green-800);
      margin-bottom: 18px;
    }
    .download-ticket h3 {
      margin: 0 0 8px;
      font-size: 20px;
      font-weight: 900;
      color: var(--green-900);
    }
    .download-ticket p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }
    .download-ticket .btn {
      width: 100%;
      margin-top: auto;
    }
    .safe-note {
      margin-top: 20px;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.14);
      color: rgba(255,255,255,.78);
      position: relative;
      z-index: 1;
    }
    .safe-note i { color: var(--lime); margin-top: 5px; }

    .faq-zone { background: #fff; }
    .accordion {
      background: transparent;
      display: grid;
      gap: 12px;
    }
    .accordion-item {
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid rgba(18,76,52,.10);
      background: var(--grass);
      box-shadow: 0 8px 20px rgba(18,76,52,.04);
    }
    .accordion-title {
      border: 0 !important;
      color: var(--green-900);
      font-weight: 900;
      font-size: 17px;
      padding: 20px 52px 20px 22px;
      background: #fff;
    }
    .accordion-title:hover,
    .accordion-title:focus {
      background: var(--grass);
      color: var(--green-800);
    }
    .accordion-title:before { color: var(--green-800); font-size: 24px; top: 50%; transform: translateY(-50%); }
    .accordion-content {
      border: 0;
      border-top: 1px solid rgba(18,76,52,.08);
      background: var(--cream);
      color: var(--muted);
      padding: 18px 22px 20px;
      line-height: 1.75;
      position: relative;
    }
    .accordion-content:before {
      content: "";
      position: absolute;
      left: 0;
      top: 16px;
      bottom: 16px;
      width: 5px;
      background: var(--lime);
      border-radius: 0 999px 999px 0;
    }

    .article-template {
      max-width: 820px;
      margin: 0 auto;
      line-height: 1.85;
      font-size: 17px;
    }
    .article-template h2 { color: var(--green-900); font-weight: 900; letter-spacing: -.03em; }
    .article-template p { margin: 0 0 18px; }
    .article-note {
      border-radius: 18px;
      padding: 18px 20px;
      border-left: 6px solid var(--lime);
      background: var(--grass);
      margin: 22px 0;
    }

    .footer {
      background: var(--green-900);
      color: rgba(255,255,255,.78);
      padding: 64px 0 28px;
      position: relative;
      overflow: hidden;
    }
    .footer:before {
      content: "";
      position: absolute;
      left: 6vw;
      top: 24px;
      width: 88vw;
      height: 1px;
      background: rgba(255,255,255,.16);
      box-shadow: 0 58px 0 rgba(255,255,255,.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(3, 1fr);
      gap: 28px;
      position: relative;
      z-index: 1;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
    }
    .footer-brand .brand-mark { width: 40px; height: 40px; }
    .footer p { margin: 0; color: rgba(255,255,255,.68); }
    .footer h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 16px;
      font-weight: 900;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 9px;
    }
    .footer-links a {
      color: rgba(255,255,255,.70);
      font-weight: 700;
      font-size: 14px;
    }
    .footer-links a:hover { color: var(--lime); }
    .copyright {
      margin-top: 42px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.12);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.58);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .main-nav { flex-wrap: wrap; padding: 12px 0; gap: 14px; }
      .brand { order: 1; }
      .nav-actions { order: 2; }
      .search-box { order: 3; flex-basis: 100%; max-width: none; }
      .hero-stage,
      .value-layout,
      .review-summary,
      .info-layout {
        grid-template-columns: 1fr;
      }
      .product-stage { max-width: 720px; }
      .benefit-grid,
      .spec-board,
      .download-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .recommend-card { position: static; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .container { width: min(100% - 28px, var(--max)); }
      .section { padding: 62px 0; }
      .section-head { display: block; }
      .hero {
        padding: 46px 0 70px;
        background: linear-gradient(180deg, var(--green-900) 0%, var(--green-800) 62%, var(--cream) 62.2%, var(--cream) 100%);
      }
      .hero-stage { grid-template-columns: 1fr; }
      .hero-copy { padding: 0; }
      .hero-points { grid-template-columns: 1fr; }
      .stage-grid,
      .mosaic-grid,
      .bubble-wall,
      .spec-board,
      .download-grid,
      .benefit-grid {
        grid-template-columns: 1fr;
      }
      .stage-card.wide { grid-column: auto; }
      .slide-board {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 18px;
      }
      .ui-shot { min-height: 240px; }
      .info-item {
        grid-template-columns: 42px 1fr;
      }
      .info-item .arrow { display: none; }
      .nav-actions .btn-secondary { display: none; }
      .campaign-inner { align-items: flex-start; flex-direction: column; padding: 10px 0; }
      .footer-grid { grid-template-columns: 1fr; }
      .copyright { display: block; }
    }

    @media (max-width: 520px) {
      .brand-text strong { font-size: 15px; }
      .brand-text span { display: none; }
      .brand-mark { width: 38px; height: 38px; }
      .nav-actions .btn { padding: 12px 15px; font-size: 13px; }
      .hero-cta .btn,
      .download-ticket .btn {
        width: 100%;
      }
      .hero-copy p { font-size: 16px; }
      .product-stage { padding: 12px; border-radius: 24px; }
      .stage-header { display: block; }
      .stage-status { margin-top: 10px; }
      .benefit-panel { padding: 12px; }
      .vertical-card,
      .feature-card,
      .score-card,
      .recommend-card {
        padding: 22px;
      }
    }

/* roulang page: category2 */
:root {
      --green-900: #0b3425;
      --green-800: #124C34;
      --green-700: #0F5A3D;
      --green-600: #16704d;
      --grass-100: #EEF6E8;
      --cream-100: #F7F2E8;
      --cream-200: #efe6d5;
      --lime: #D7F43B;
      --lime-soft: rgba(215, 244, 59, .22);
      --orange: #FF8A3D;
      --white: #FFFFFF;
      --text: #18251E;
      --muted: #66756B;
      --border: rgba(18, 76, 52, .12);
      --shadow: 0 18px 50px rgba(18, 76, 52, .12);
      --shadow-strong: 0 24px 70px rgba(11, 52, 37, .22);
      --radius-sm: 14px;
      --radius-md: 22px;
      --radius-lg: 32px;
      --container: 1210px;
      --header-height: 78px;
      --ease: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 8% 4%, rgba(215,244,59,.18), transparent 28%),
        linear-gradient(180deg, var(--cream-100) 0%, #fff 34%, var(--grass-100) 100%);
      overflow-x: hidden;
    }

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

    a:hover,
    a:focus {
      color: var(--green-700);
    }

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

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

    input:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(215, 244, 59, .55);
      outline-offset: 3px;
    }

    .container {
      width: min(calc(100% - 36px), var(--container));
      margin-inline: auto;
    }

    .section {
      padding: 86px 0;
      position: relative;
      scroll-margin-top: 132px;
    }

    .section.compact {
      padding: 62px 0;
    }

    .section-title {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 26px;
      margin-bottom: 34px;
    }

    .section-title h2 {
      margin: 0;
      color: var(--green-900);
      font-size: clamp(28px, 3.2vw, 38px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .section-title p {
      max-width: 570px;
      margin: 0;
      color: var(--muted);
      font-size: 17px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--green-800);
      background: var(--lime-soft);
      border: 1px solid rgba(18,76,52,.09);
      font-size: 14px;
      font-weight: 800;
      line-height: 1;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 13px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 800;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      color: var(--green-900);
      background: var(--lime);
      box-shadow: 0 10px 30px rgba(215, 244, 59, .28), inset 0 -2px 0 rgba(18,76,52,.18);
    }

    .btn-primary:hover {
      color: var(--green-900);
      background: #e7ff60;
      transform: translateY(-2px);
      box-shadow: 0 16px 42px rgba(215, 244, 59, .34);
    }

    .btn-secondary {
      color: var(--green-800);
      background: rgba(255,255,255,.82);
      border-color: rgba(18,76,52,.18);
    }

    .btn-secondary:hover {
      background: var(--grass-100);
      border-color: var(--green-700);
      transform: translateY(-2px);
    }

    .btn-dark {
      color: var(--white);
      background: var(--green-800);
      border-color: rgba(255,255,255,.16);
    }

    .btn-dark:hover {
      color: var(--green-900);
      background: var(--lime);
      transform: translateY(-2px);
    }

    .top-shell {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 242, 232, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(18, 76, 52, .10);
    }

    .main-nav {
      min-height: var(--header-height);
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 260px;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--green-900);
      background:
        linear-gradient(135deg, var(--lime) 0%, #ecff75 100%);
      box-shadow: 0 14px 30px rgba(18,76,52,.14);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 1px solid rgba(18,76,52,.28);
      border-radius: 12px;
    }

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

    .brand-text strong {
      color: var(--green-900);
      font-size: 17px;
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .brand-text span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 650;
      margin-top: 3px;
    }

    .search-box {
      flex: 1;
      max-width: 470px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 46px;
      padding: 0 16px;
      border-radius: 999px;
      background: rgba(238, 246, 232, .88);
      border: 1px solid rgba(18, 76, 52, .12);
      transition: var(--ease);
    }

    .search-box:focus-within {
      background: var(--white);
      border-color: var(--lime);
      box-shadow: 0 0 0 4px rgba(215,244,59,.20);
    }

    .search-box i {
      color: var(--green-700);
      font-size: 14px;
    }

    .search-box input {
      width: 100%;
      margin: 0;
      border: 0;
      box-shadow: none;
      background: transparent;
      color: var(--text);
      font-size: 14px;
      height: 42px;
    }

    .search-box input::placeholder {
      color: #7b897f;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .channel-row {
      border-top: 1px solid rgba(18,76,52,.07);
      background: rgba(255,255,255,.66);
    }

    .channel-tabs {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 0;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .channel-tabs::-webkit-scrollbar {
      display: none;
    }

    .channel-tabs a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 15px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(238,246,232,.86);
      border: 1px solid rgba(18,76,52,.08);
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .channel-tabs a:hover {
      color: var(--green-900);
      background: var(--white);
      border-color: rgba(18,76,52,.18);
      transform: translateY(-1px);
    }

    .channel-tabs a.active {
      color: var(--green-900);
      background: var(--lime);
      border-color: rgba(18,76,52,.16);
      box-shadow: 0 10px 24px rgba(215,244,59,.20);
    }

    .campaign-strip {
      background: linear-gradient(90deg, var(--lime) 0%, #edf96d 58%, var(--orange) 100%);
      color: var(--green-900);
      border-bottom: 1px solid rgba(18,76,52,.12);
    }

    .campaign-inner {
      min-height: 44px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-weight: 850;
      font-size: 14px;
    }

    .campaign-inner span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .score-pill {
      display: inline-grid;
      grid-auto-flow: column;
      align-items: center;
      gap: 5px;
      padding: 5px 9px;
      border-radius: 10px;
      background: rgba(18,76,52,.12);
      font-size: 12px;
      letter-spacing: .02em;
    }

    .hero {
      padding: 68px 0 80px;
      background:
        linear-gradient(135deg, var(--green-900) 0%, var(--green-800) 48%, #176646 100%);
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255,255,255,.20);
      pointer-events: none;
    }

    .hero::before {
      width: 520px;
      height: 520px;
      border-radius: 50%;
      right: -180px;
      top: -210px;
    }

    .hero::after {
      left: 4%;
      bottom: 30px;
      width: 92%;
      height: 1px;
      background: rgba(255,255,255,.24);
      border: 0;
      box-shadow: 0 -120px rgba(255,255,255,.08);
    }

    .hero-grid {
      position: relative;
      z-index: 2;
      align-items: center;
    }

    .hero-copy {
      padding-right: 22px;
    }

    .hero h1 {
      margin: 18px 0 18px;
      color: var(--white);
      font-size: clamp(32px, 5.1vw, 56px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: -.055em;
    }

    .hero-lead {
      max-width: 650px;
      color: rgba(255,255,255,.82);
      font-size: 18px;
      margin: 0 0 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 28px 0 30px;
    }

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

    .quick-stat {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.16);
      backdrop-filter: blur(10px);
    }

    .quick-stat strong {
      display: block;
      color: var(--lime);
      font-size: 23px;
      line-height: 1.1;
      font-weight: 900;
    }

    .quick-stat span {
      display: block;
      margin-top: 6px;
      color: rgba(255,255,255,.76);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.45;
    }

    .choice-board {
      background: rgba(247,242,232,.97);
      color: var(--text);
      border: 1px solid rgba(255,255,255,.22);
      border-radius: var(--radius-lg);
      padding: 18px;
      box-shadow: var(--shadow-strong);
      position: relative;
      overflow: hidden;
    }

    .choice-board::before {
      content: "";
      position: absolute;
      inset: 14px;
      border: 1px solid rgba(18,76,52,.12);
      border-radius: 24px;
      pointer-events: none;
    }

    .choice-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 6px 8px 16px;
      position: relative;
      z-index: 1;
    }

    .choice-head strong {
      color: var(--green-900);
      font-size: 18px;
      font-weight: 900;
    }

    .choice-head span {
      color: var(--green-800);
      background: var(--lime);
      border-radius: 999px;
      padding: 5px 10px;
      font-size: 12px;
      font-weight: 900;
    }

    .plan-list {
      display: grid;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .plan-card {
      display: grid;
      grid-template-columns: 52px 1fr auto;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border-radius: 22px;
      background: var(--white);
      border: 1px solid rgba(18,76,52,.10);
      transition: var(--ease);
    }

    .plan-card:hover {
      transform: translateY(-3px);
      border-color: rgba(18,76,52,.25);
      box-shadow: 0 16px 36px rgba(18,76,52,.10);
    }

    .plan-card.recommended {
      background: linear-gradient(135deg, #fff 0%, #fbffe5 100%);
      border: 2px solid var(--lime);
      box-shadow: 0 18px 42px rgba(215,244,59,.22);
      order: -1;
    }

    .plan-icon {
      width: 52px;
      height: 52px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      color: var(--green-900);
      background: var(--grass-100);
      font-size: 21px;
    }

    .recommended .plan-icon {
      background: var(--lime);
    }

    .plan-copy h2,
    .plan-copy h3 {
      margin: 0;
      color: var(--green-900);
      font-size: 18px;
      font-weight: 900;
      line-height: 1.25;
    }

    .plan-copy p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .mini-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 86px;
      padding: 9px 12px;
      border-radius: 999px;
      background: var(--green-800);
      color: var(--white);
      font-size: 13px;
      font-weight: 850;
    }

    .mini-btn:hover {
      background: var(--orange);
      color: var(--white);
    }

    .ticket-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr .92fr;
      gap: 20px;
      align-items: stretch;
    }

    .download-ticket {
      position: relative;
      min-height: 318px;
      padding: 28px;
      border-radius: 30px;
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--ease);
    }

    .download-ticket::before {
      content: "";
      position: absolute;
      top: 0;
      left: 28px;
      right: 28px;
      height: 7px;
      border-radius: 0 0 10px 10px;
      background: var(--green-800);
    }

    .download-ticket::after {
      content: "";
      position: absolute;
      right: -22px;
      top: 45%;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--cream-100);
      border: 1px solid var(--border);
    }

    .download-ticket.featured {
      color: var(--white);
      background:
        radial-gradient(circle at 20% 12%, rgba(215,244,59,.25), transparent 34%),
        linear-gradient(135deg, var(--green-900) 0%, var(--green-700) 100%);
      border-color: rgba(255,255,255,.16);
      box-shadow: var(--shadow-strong);
    }

    .download-ticket.featured::before {
      background: var(--lime);
    }

    .download-ticket:hover {
      transform: translateY(-5px);
      box-shadow: 0 24px 58px rgba(18,76,52,.16);
    }

    .ticket-tag {
      position: absolute;
      top: 22px;
      right: 22px;
      padding: 6px 10px;
      border-radius: 999px;
      color: var(--green-900);
      background: var(--lime);
      font-size: 12px;
      line-height: 1;
      font-weight: 900;
    }

    .ticket-icon {
      width: 58px;
      height: 58px;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--green-900);
      background: var(--grass-100);
      font-size: 26px;
      margin-bottom: 22px;
    }

    .featured .ticket-icon {
      background: rgba(255,255,255,.14);
      color: var(--lime);
      border: 1px solid rgba(255,255,255,.18);
    }

    .download-ticket h2,
    .download-ticket h3 {
      margin: 0 0 8px;
      color: var(--green-900);
      font-size: 24px;
      font-weight: 900;
      line-height: 1.18;
      letter-spacing: -.02em;
    }

    .featured h2,
    .featured h3 {
      color: var(--white);
    }

    .download-ticket p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .featured p {
      color: rgba(255,255,255,.78);
    }

    .ticket-meta {
      display: grid;
      gap: 8px;
      margin: 4px 0 22px;
      padding: 0;
      list-style: none;
    }

    .ticket-meta li {
      display: flex;
      align-items: center;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .featured .ticket-meta li {
      color: rgba(255,255,255,.82);
    }

    .ticket-meta i {
      color: var(--green-700);
    }

    .featured .ticket-meta i {
      color: var(--lime);
    }

    .download-ticket .btn {
      margin-top: auto;
      width: fit-content;
    }

    .panel-section {
      background:
        linear-gradient(180deg, var(--grass-100) 0%, var(--cream-100) 100%);
      border-top: 1px solid rgba(18,76,52,.08);
      border-bottom: 1px solid rgba(18,76,52,.08);
    }

    .release-board {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 24px;
      align-items: stretch;
    }

    .release-score {
      padding: 32px;
      border-radius: var(--radius-lg);
      background: var(--green-900);
      color: var(--white);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .release-score::before {
      content: "";
      position: absolute;
      inset: 20px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 24px;
      pointer-events: none;
    }

    .version-number {
      display: inline-flex;
      align-items: baseline;
      gap: 7px;
      color: var(--lime);
      font-size: 54px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.05em;
    }

    .version-number small {
      color: rgba(255,255,255,.72);
      font-size: 18px;
      letter-spacing: 0;
    }

    .release-score h2 {
      margin: 20px 0 10px;
      color: var(--white);
      font-size: 30px;
      font-weight: 900;
      line-height: 1.18;
    }

    .release-score p {
      margin: 0;
      color: rgba(255,255,255,.78);
    }

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

    .update-item {
      display: grid;
      grid-template-columns: 90px 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,.88);
      border: 1px solid var(--border);
      box-shadow: 0 14px 36px rgba(18,76,52,.08);
      transition: var(--ease);
    }

    .update-item:hover {
      transform: translateY(-3px);
      border-color: rgba(18,76,52,.22);
    }

    .update-type {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 34px;
      border-radius: 999px;
      color: var(--green-900);
      background: var(--lime);
      font-size: 13px;
      font-weight: 900;
    }

    .update-item h3 {
      margin: 0 0 5px;
      color: var(--green-900);
      font-size: 19px;
      font-weight: 900;
    }

    .update-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .system-wrap {
      padding: 34px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, var(--green-900), var(--green-700));
      box-shadow: var(--shadow-strong);
      position: relative;
      overflow: hidden;
    }

    .system-wrap::before {
      content: "";
      position: absolute;
      left: 34px;
      right: 34px;
      top: 26px;
      height: 1px;
      background: rgba(255,255,255,.24);
      box-shadow: 0 120px rgba(255,255,255,.08), 0 240px rgba(255,255,255,.08);
    }

    .spec-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .spec-card {
      padding: 26px;
      border-radius: 26px;
      background: rgba(255,255,255,.96);
      border: 1px solid rgba(255,255,255,.30);
    }

    .spec-card.highlight {
      background: linear-gradient(180deg, #fbffe7 0%, #fff 100%);
      border-color: var(--lime);
      box-shadow: 0 18px 42px rgba(215,244,59,.18);
    }

    .spec-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-bottom: 14px;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(18,76,52,.10);
    }

    .spec-head h3 {
      margin: 0;
      color: var(--green-900);
      font-size: 21px;
      font-weight: 900;
    }

    .spec-head span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 34px;
      height: 34px;
      border-radius: 12px;
      background: var(--green-800);
      color: var(--lime);
      font-size: 13px;
      font-weight: 950;
    }

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

    .spec-list li {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 10px;
      color: var(--text);
      font-size: 14px;
      line-height: 1.55;
    }

    .spec-list strong {
      color: var(--green-800);
      font-weight: 900;
    }

    .check-area {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 24px;
      align-items: start;
    }

    .check-card {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .check-card h2 {
      margin: 0 0 14px;
      color: var(--green-900);
      font-size: 31px;
      font-weight: 900;
      line-height: 1.18;
    }

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

    .safe-note {
      margin-top: 22px;
      padding: 18px;
      border-radius: 20px;
      background: #fff7ec;
      border: 1px solid rgba(255,138,61,.22);
      color: #74401c;
      font-weight: 700;
      font-size: 14px;
    }

    .check-list {
      display: grid;
      gap: 14px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 14px;
      align-items: start;
      padding: 20px;
      border-radius: 22px;
      background: rgba(238,246,232,.72);
      border: 1px solid rgba(18,76,52,.10);
      transition: var(--ease);
    }

    .check-list li:hover {
      background: var(--white);
      transform: translateX(4px);
      box-shadow: 0 14px 30px rgba(18,76,52,.09);
    }

    .fake-check {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--green-900);
      background: var(--lime);
      box-shadow: inset 0 -2px 0 rgba(18,76,52,.16);
      margin-top: 3px;
    }

    .check-list h3 {
      margin: 0 0 4px;
      color: var(--green-900);
      font-size: 18px;
      font-weight: 900;
    }

    .check-list p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .screenshot-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: stretch;
    }

    .interface-card {
      border-radius: var(--radius-lg);
      padding: 22px;
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .interface-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(18,76,52,.10);
      margin-bottom: 18px;
    }

    .dots {
      display: inline-flex;
      gap: 7px;
    }

    .dots span {
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: var(--cream-200);
    }

    .dots span:nth-child(1) { background: var(--orange); }
    .dots span:nth-child(2) { background: var(--lime); }
    .dots span:nth-child(3) { background: var(--green-600); }

    .interface-top strong {
      color: var(--green-900);
      font-size: 14px;
      font-weight: 900;
    }

    .status-row {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px dashed rgba(18,76,52,.13);
      font-size: 14px;
    }

    .status-row:last-child {
      border-bottom: 0;
    }

    .status-row b {
      color: var(--green-900);
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: var(--grass-100);
      overflow: hidden;
    }

    .bar em {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--green-700), var(--lime));
    }

    .status-row span:last-child {
      color: var(--green-800);
      font-weight: 900;
    }

    .faq-section {
      background: var(--cream-100);
      border-top: 1px solid rgba(18,76,52,.08);
    }

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

    .accordion-item {
      margin-bottom: 14px;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid rgba(18,76,52,.11);
      background: var(--white);
      box-shadow: 0 12px 30px rgba(18,76,52,.06);
    }

    .accordion-title {
      position: relative;
      padding: 20px 56px 20px 22px;
      color: var(--green-900);
      background: var(--white);
      border: 0;
      font-size: 17px;
      font-weight: 900;
      line-height: 1.45;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--green-800);
      background: var(--grass-100);
    }

    .accordion-title::before {
      right: 22px;
      margin-top: -10px;
      font-size: 22px;
      color: var(--green-800);
      font-weight: 400;
    }

    .accordion-content {
      padding: 0 22px 22px 22px;
      border: 0;
      background: linear-gradient(90deg, rgba(215,244,59,.14), transparent 8px), var(--white);
      color: var(--muted);
      font-size: 15px;
    }

    .download-cta {
      background:
        radial-gradient(circle at 78% 15%, rgba(215,244,59,.28), transparent 28%),
        linear-gradient(135deg, var(--green-900), var(--green-800));
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .download-cta::before {
      content: "";
      position: absolute;
      inset: 34px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 34px;
      pointer-events: none;
    }

    .cta-box {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 44px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(12px);
    }

    .cta-box h2 {
      margin: 14px 0 10px;
      color: var(--white);
      font-size: clamp(28px, 3.2vw, 42px);
      font-weight: 900;
      line-height: 1.16;
      letter-spacing: -.035em;
    }

    .cta-box p {
      max-width: 740px;
      margin: 0;
      color: rgba(255,255,255,.78);
      font-size: 17px;
    }

    .cta-actions {
      display: grid;
      gap: 12px;
      min-width: 240px;
    }

    .article-shell {
      max-width: 820px;
      margin-inline: auto;
      font-size: 17px;
      line-height: 1.85;
    }

    .article-shell h1,
    .article-shell h2,
    .article-shell h3 {
      color: var(--green-900);
      line-height: 1.2;
    }

    .article-note {
      padding: 18px 20px;
      border-radius: 18px;
      background: var(--grass-100);
      border-left: 5px solid var(--lime);
      color: var(--green-900);
      font-weight: 700;
    }

    .footer {
      background:
        linear-gradient(135deg, var(--green-900), #09281d);
      color: rgba(247,242,232,.82);
      padding: 64px 0 28px;
      position: relative;
      overflow: hidden;
    }

    .footer::before {
      content: "";
      position: absolute;
      left: 5%;
      right: 5%;
      top: 28px;
      height: 1px;
      background: rgba(255,255,255,.14);
      box-shadow: 0 80px rgba(255,255,255,.07);
    }

    .footer-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.45fr .8fr .8fr .8fr;
      gap: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--white);
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer p {
      max-width: 410px;
      margin: 0;
      color: rgba(247,242,232,.72);
      font-size: 14px;
    }

    .footer h3 {
      margin: 0 0 14px;
      color: var(--lime);
      font-size: 15px;
      font-weight: 900;
    }

    .footer-links {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(247,242,232,.72);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--lime);
      padding-left: 4px;
    }

    .copyright {
      position: relative;
      z-index: 1;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.12);
      color: rgba(247,242,232,.58);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .main-nav {
        flex-wrap: wrap;
        padding: 14px 0;
      }

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

      .search-box {
        order: 3;
        width: 100%;
        max-width: none;
        flex-basis: 100%;
      }

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

      .hero-copy {
        padding-right: 0;
        margin-bottom: 28px;
      }

      .ticket-grid,
      .release-board,
      .check-area,
      .screenshot-grid {
        grid-template-columns: 1fr;
      }

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

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

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

      .cta-actions {
        min-width: 0;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

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

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

      .section {
        padding: 58px 0;
      }

      .section-title {
        display: block;
      }

      .section-title p {
        margin-top: 12px;
      }

      .brand-text span {
        display: none;
      }

      .nav-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
      }

      .nav-actions .btn {
        width: 100%;
        padding-inline: 12px;
      }

      .campaign-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 10px 0;
        gap: 8px;
      }

      .hero {
        padding: 50px 0 60px;
      }

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

      .hero-actions .btn {
        width: 100%;
      }

      .quick-stats {
        grid-template-columns: 1fr;
      }

      .plan-card {
        grid-template-columns: 44px 1fr;
      }

      .plan-card .mini-btn {
        grid-column: 1 / -1;
        width: 100%;
      }

      .ticket-grid {
        gap: 16px;
      }

      .download-ticket {
        min-height: auto;
        padding: 24px;
      }

      .update-item {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .spec-list li {
        grid-template-columns: 1fr;
        gap: 2px;
      }

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

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

      .cta-box {
        padding: 28px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 40px;
        height: 40px;
        border-radius: 14px;
      }

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

      .channel-tabs a {
        padding: 9px 12px;
        font-size: 13px;
      }

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

      .choice-board {
        padding: 14px;
        border-radius: 26px;
      }

      .choice-head {
        display: block;
      }

      .choice-head span {
        margin-top: 8px;
      }

      .download-ticket h2,
      .download-ticket h3 {
        font-size: 21px;
      }

      .release-score,
      .system-wrap,
      .check-card,
      .interface-card {
        padding: 22px;
        border-radius: 24px;
      }

      .version-number {
        font-size: 42px;
      }
    }

/* roulang page: category1 */
:root{
      --green-900:#0B3325;
      --green-800:#124C34;
      --green-700:#0F5A3D;
      --green-600:#18734F;
      --grass-100:#EEF6E8;
      --grass-200:#E4F0D8;
      --cream:#F7F2E8;
      --white:#FFFFFF;
      --lime:#D7F43B;
      --lime-2:#CFF238;
      --orange:#FF8A3D;
      --ink:#18251E;
      --muted:#66756B;
      --line:rgba(18,76,52,.12);
      --line-strong:rgba(18,76,52,.22);
      --shadow:0 18px 50px rgba(18,76,52,.12);
      --shadow-strong:0 24px 70px rgba(18,76,52,.18);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:32px;
      --container:1220px;
      --nav-height:76px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--ink);
      background:linear-gradient(180deg,var(--cream) 0%,#fff 42%,var(--grass-100) 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--green-700)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button,.button{cursor:pointer}
    :focus-visible{
      outline:3px solid rgba(215,244,59,.9);
      outline-offset:3px;
      border-radius:12px;
    }
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .section{
      padding:88px 0;
      position:relative;
      scroll-margin-top:150px;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(215,244,59,.26);
      color:var(--green-800);
      border:1px solid rgba(18,76,52,.12);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
      line-height:1.2;
    }
    .section-head{
      max-width:780px;
      margin-bottom:34px;
    }
    .section-head h2{
      margin:14px 0 12px;
      color:var(--green-900);
      font-size:clamp(28px,3.2vw,38px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.03em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:17px;
      max-width:720px;
    }

    .top-shell{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(247,242,232,.94);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 30px rgba(11,51,37,.06);
    }
    .main-nav{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      gap:22px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      color:var(--green-900);
      min-width:250px;
    }
    .brand:hover{transform:translateY(-1px);color:var(--green-900)}
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:linear-gradient(135deg,var(--green-800),var(--green-600));
      color:var(--lime);
      box-shadow:0 12px 30px rgba(18,76,52,.2), inset 0 0 0 1px rgba(255,255,255,.18);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:12px;
    }
    .brand-mark i{font-size:20px;position:relative;z-index:1}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:17px;font-weight:900;letter-spacing:-.02em}
    .brand-text span{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap}
    .search-box{
      flex:1 1 420px;
      max-width:520px;
      height:46px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 16px;
      border-radius:999px;
      background:rgba(238,246,232,.95);
      border:1px solid rgba(18,76,52,.12);
      transition:var(--ease);
    }
    .search-box:focus-within{
      background:#fff;
      border-color:rgba(215,244,59,.95);
      box-shadow:0 0 0 4px rgba(215,244,59,.22);
    }
    .search-box i{color:var(--green-700)}
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      box-shadow:none;
      margin:0;
      height:44px;
      color:var(--ink);
      font-size:14px;
    }
    .search-box input:focus{border:0;box-shadow:none;background:transparent}
    .search-box input::placeholder{color:#7F8B83}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      font-size:14px;
      line-height:1;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--green-800);
      color:#fff;
      box-shadow:0 12px 30px rgba(18,76,52,.18), inset 0 0 0 1px rgba(215,244,59,.14);
    }
    .btn-primary:hover,.btn-primary:focus{
      background:var(--lime);
      color:var(--green-900);
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(18,76,52,.22);
    }
    .btn-secondary{
      background:#fff;
      color:var(--green-800);
      border-color:rgba(18,76,52,.18);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:var(--grass-100);
      border-color:var(--green-700);
      color:var(--green-900);
      transform:translateY(-2px);
    }
    .btn-lime{
      background:var(--lime);
      color:var(--green-900);
      box-shadow:0 12px 30px rgba(215,244,59,.24);
    }
    .btn-lime:hover{
      background:#fff;
      color:var(--green-800);
      transform:translateY(-2px);
    }
    .btn-ghost{
      background:rgba(255,255,255,.12);
      color:#fff;
      border-color:rgba(255,255,255,.32);
    }
    .btn-ghost:hover{
      background:#fff;
      color:var(--green-900);
      transform:translateY(-2px);
    }
    .channel-row{
      border-top:1px solid rgba(18,76,52,.08);
      padding:10px 0;
      background:rgba(255,255,255,.56);
    }
    .channel-tabs{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
      padding-bottom:1px;
    }
    .channel-tabs::-webkit-scrollbar{display:none}
    .channel-tabs a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      flex:0 0 auto;
      padding:9px 15px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(238,246,232,.78);
      border:1px solid rgba(18,76,52,.08);
      font-size:14px;
      font-weight:800;
      line-height:1;
    }
    .channel-tabs a:hover{
      background:#fff;
      color:var(--green-800);
      border-color:rgba(18,76,52,.2);
    }
    .channel-tabs a.active{
      background:var(--lime);
      color:var(--green-900);
      border-color:rgba(18,76,52,.16);
      box-shadow:0 10px 24px rgba(215,244,59,.24);
    }

    .campaign-bar{
      background:linear-gradient(90deg,var(--lime),#F3FFC1 58%,#FFE0C8);
      color:var(--green-900);
      border-bottom:1px solid rgba(18,76,52,.12);
    }
    .campaign-inner{
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:850;
      font-size:14px;
    }
    .campaign-inner span{
      display:inline-flex;
      align-items:center;
      gap:9px;
    }
    .campaign-code{
      padding:5px 10px;
      border-radius:999px;
      background:rgba(18,76,52,.12);
      border:1px dashed rgba(18,76,52,.35);
      white-space:nowrap;
      font-size:12px;
    }

    .category-hero{
      position:relative;
      padding:76px 0 64px;
      background:
        radial-gradient(circle at 78% 18%,rgba(215,244,59,.28),transparent 28%),
        linear-gradient(135deg,var(--green-900) 0%,var(--green-800) 58%,#196A49 100%);
      color:#fff;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:22px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:34px;
      pointer-events:none;
    }
    .category-hero:after{
      content:"";
      position:absolute;
      width:560px;
      height:560px;
      right:-260px;
      bottom:-330px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.14);
      box-shadow:inset 0 0 0 28px rgba(255,255,255,.035);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .hero-copy h1{
      margin:18px 0 18px;
      font-size:clamp(32px,5vw,54px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.045em;
      max-width:760px;
      color:#fff;
    }
    .hero-copy p{
      margin:0 0 26px;
      max-width:680px;
      color:rgba(255,255,255,.82);
      font-size:18px;
      line-height:1.82;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin:26px 0 0;
    }
    .hero-badges{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .hero-badges span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.88);
      font-size:13px;
      font-weight:800;
    }
    .compat-panel{
      background:rgba(255,255,255,.97);
      color:var(--ink);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.5);
      position:relative;
      overflow:hidden;
    }
    .compat-panel:before{
      content:"";
      position:absolute;
      inset:12px;
      border:1px solid rgba(18,76,52,.1);
      border-radius:24px;
      pointer-events:none;
    }
    .score-strip{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:20px;
      padding:12px 14px;
      border-radius:18px;
      background:var(--green-900);
      color:#fff;
      position:relative;
      z-index:1;
    }
    .score-strip strong{
      color:var(--lime);
      font-size:24px;
      line-height:1;
      letter-spacing:.04em;
    }
    .score-strip span{
      color:rgba(255,255,255,.78);
      font-size:13px;
      font-weight:800;
    }
    .slot-list{
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .slot-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px;
      border-radius:18px;
      background:var(--grass-100);
      border:1px solid rgba(18,76,52,.1);
    }
    .slot-item b{
      display:block;
      color:var(--green-900);
      line-height:1.35;
    }
    .slot-item small{
      display:block;
      color:var(--muted);
      margin-top:3px;
      font-weight:650;
    }
    .status-pill{
      flex:0 0 auto;
      padding:6px 10px;
      border-radius:999px;
      background:#fff;
      color:var(--green-800);
      border:1px solid rgba(18,76,52,.12);
      font-size:12px;
      font-weight:900;
    }
    .status-pill.hot{
      background:var(--lime);
      color:var(--green-900);
      border-color:transparent;
    }
    .panel-search{
      margin-top:18px;
      display:flex;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .panel-search input{
      flex:1;
      height:48px;
      border-radius:999px;
      border:1px solid rgba(18,76,52,.14);
      background:#fff;
      padding:0 16px;
      box-shadow:none;
      margin:0;
    }
    .panel-search input:focus{
      border-color:var(--lime);
      box-shadow:0 0 0 4px rgba(215,244,59,.22);
    }

    .filter-band{
      margin-top:-30px;
      position:relative;
      z-index:4;
    }
    .filter-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:26px;
      padding:16px;
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      gap:12px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .filter-card::-webkit-scrollbar{display:none}
    .filter-card span{
      flex:0 0 auto;
      color:var(--green-900);
      font-weight:900;
      margin-right:2px;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .filter-pill{
      flex:0 0 auto;
      border:1px solid rgba(18,76,52,.12);
      background:var(--grass-100);
      color:var(--muted);
      border-radius:999px;
      padding:9px 13px;
      font-size:14px;
      font-weight:850;
      transition:var(--ease);
    }
    .filter-pill:hover,.filter-pill.active{
      background:var(--lime);
      color:var(--green-900);
      border-color:rgba(18,76,52,.18);
      transform:translateY(-1px);
    }

    .guide-layout{
      display:grid;
      grid-template-columns:310px 1fr;
      gap:28px;
      align-items:start;
    }
    .side-card{
      position:sticky;
      top:150px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow);
    }
    .side-card h2{
      margin:0 0 12px;
      color:var(--green-900);
      font-size:24px;
      line-height:1.2;
      font-weight:900;
    }
    .side-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
    }
    .side-menu{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .side-menu a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:var(--grass-100);
      border:1px solid rgba(18,76,52,.08);
      font-weight:850;
      color:var(--green-900);
    }
    .side-menu a:hover{
      background:var(--lime);
      transform:translateX(2px);
    }
    .side-note{
      margin-top:18px;
      padding:16px;
      border-radius:18px;
      background:linear-gradient(135deg,var(--green-800),var(--green-900));
      color:#fff;
    }
    .side-note b{display:block;color:var(--lime);margin-bottom:5px}
    .side-note small{color:rgba(255,255,255,.78);line-height:1.7;display:block}

    .guide-grid{
      display:grid;
      gap:18px;
    }
    .guide-card{
      position:relative;
      display:grid;
      grid-template-columns:58px 1fr auto;
      gap:18px;
      align-items:center;
      padding:22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 36px rgba(18,76,52,.08);
      overflow:hidden;
      transition:var(--ease);
    }
    .guide-card:before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:7px;
      background:var(--lime);
      opacity:.9;
      transition:var(--ease);
    }
    .guide-card:hover{
      transform:translateY(-3px);
      border-color:rgba(18,76,52,.28);
      box-shadow:var(--shadow);
    }
    .guide-card:hover:before{background:var(--orange);width:10px}
    .guide-icon{
      width:58px;
      height:58px;
      border-radius:20px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--grass-100);
      color:var(--green-800);
      border:1px solid rgba(18,76,52,.1);
      font-size:22px;
    }
    .guide-card h3{
      margin:0 0 6px;
      color:var(--green-900);
      font-size:21px;
      line-height:1.25;
      font-weight:900;
    }
    .guide-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:620px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      background:var(--grass-100);
      color:var(--green-700);
      border:1px solid rgba(18,76,52,.09);
      font-size:12px;
      font-weight:850;
      line-height:1;
    }
    .guide-card .btn{
      min-height:40px;
      padding:10px 14px;
    }

    .matrix-section{
      background:var(--grass-100);
      border-top:1px solid rgba(18,76,52,.08);
      border-bottom:1px solid rgba(18,76,52,.08);
    }
    .matrix-board{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .matrix-head,.matrix-row{
      display:grid;
      grid-template-columns:1.05fr 1.1fr .85fr;
      gap:0;
    }
    .matrix-head{
      background:var(--green-900);
      color:#fff;
      font-weight:900;
    }
    .matrix-head div,.matrix-row div{
      padding:18px 20px;
      border-right:1px solid rgba(18,76,52,.1);
    }
    .matrix-head div{border-color:rgba(255,255,255,.14);color:var(--lime)}
    .matrix-head div:last-child,.matrix-row div:last-child{border-right:0}
    .matrix-row{
      border-top:1px solid rgba(18,76,52,.1);
      align-items:center;
    }
    .matrix-row:nth-child(odd){background:#FBFDF8}
    .matrix-row b{
      color:var(--green-900);
      display:flex;
      align-items:center;
      gap:9px;
    }
    .matrix-row p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
    }
    .entry-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green-800);
      font-weight:900;
    }
    .entry-link:hover{color:var(--orange);transform:translateX(2px)}

    .steps-wrap{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:28px;
      align-items:stretch;
    }
    .step-track{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .step-track:before{
      content:"";
      position:absolute;
      left:57px;
      top:82px;
      bottom:74px;
      width:2px;
      background:linear-gradient(180deg,var(--lime),rgba(18,76,52,.12));
    }
    .step-item{
      position:relative;
      display:grid;
      grid-template-columns:58px 1fr;
      gap:20px;
      padding:18px 0;
    }
    .step-num{
      width:58px;
      height:58px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--green-800);
      color:var(--lime);
      font-weight:950;
      font-size:20px;
      box-shadow:0 12px 24px rgba(18,76,52,.18);
      z-index:1;
    }
    .step-item h3{
      margin:0 0 6px;
      color:var(--green-900);
      font-size:21px;
      font-weight:900;
    }
    .step-item p{margin:0;color:var(--muted);font-size:15px}
    .format-card{
      background:linear-gradient(145deg,var(--green-900),var(--green-700));
      border-radius:var(--radius-lg);
      padding:28px;
      color:#fff;
      box-shadow:var(--shadow-strong);
      position:relative;
      overflow:hidden;
    }
    .format-card:before{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:24px;
    }
    .format-card h3{
      position:relative;
      margin:0 0 16px;
      color:#fff;
      font-size:25px;
      line-height:1.2;
      font-weight:900;
    }
    .format-card p{
      position:relative;
      margin:0 0 18px;
      color:rgba(255,255,255,.78);
    }
    .format-list{
      position:relative;
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .format-list li{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.12);
      font-weight:850;
    }
    .format-list span:last-child{color:var(--lime)}

    .system-strip{
      background:linear-gradient(135deg,var(--green-900),var(--green-800));
      color:#fff;
      overflow:hidden;
    }
    .system-strip .section-head h2{color:#fff}
    .system-strip .section-head p{color:rgba(255,255,255,.75)}
    .system-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .spec-card{
      background:rgba(255,255,255,.96);
      color:var(--ink);
      border-radius:var(--radius);
      padding:24px;
      border:1px solid rgba(255,255,255,.38);
      box-shadow:0 18px 50px rgba(0,0,0,.12);
      transition:var(--ease);
    }
    .spec-card:hover{transform:translateY(-3px)}
    .spec-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding-bottom:14px;
      border-bottom:1px solid rgba(18,76,52,.1);
      margin-bottom:14px;
    }
    .spec-top h3{
      margin:0;
      color:var(--green-900);
      font-size:22px;
      font-weight:900;
    }
    .spec-top span{
      display:inline-flex;
      width:38px;
      height:38px;
      border-radius:14px;
      align-items:center;
      justify-content:center;
      background:var(--lime);
      color:var(--green-900);
    }
    .spec-card ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .spec-card li{
      display:flex;
      align-items:flex-start;
      gap:9px;
      color:var(--muted);
      font-size:15px;
      line-height:1.65;
    }
    .spec-card li i{
      color:var(--green-700);
      margin-top:5px;
      flex:0 0 auto;
    }

    .proof-wall{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
      align-items:start;
    }
    .quote-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:24px;
      box-shadow:0 12px 34px rgba(18,76,52,.08);
      transition:var(--ease);
    }
    .quote-card:nth-child(2){margin-top:34px;background:var(--grass-100)}
    .quote-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(18,76,52,.24);
    }
    .stars{
      color:var(--orange);
      letter-spacing:2px;
      margin-bottom:12px;
      font-size:14px;
    }
    .quote-card p{
      margin:0 0 16px;
      color:var(--ink);
      line-height:1.8;
    }
    .quote-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:13px;
      font-weight:850;
    }
    .quote-meta span:last-child{
      color:var(--green-800);
      background:#fff;
      border:1px solid rgba(18,76,52,.1);
      padding:5px 9px;
      border-radius:999px;
    }

    .download-cta{
      padding:82px 0;
      background:
        radial-gradient(circle at 18% 10%,rgba(215,244,59,.2),transparent 26%),
        linear-gradient(135deg,var(--green-900),var(--green-800));
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .download-cta:before{
      content:"";
      position:absolute;
      inset:22px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:36px;
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:34px;
      align-items:center;
    }
    .cta-copy h2{
      margin:16px 0 14px;
      color:#fff;
      font-size:clamp(30px,4vw,44px);
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .cta-copy p{
      margin:0;
      color:rgba(255,255,255,.78);
      font-size:17px;
      max-width:570px;
    }
    .download-cards{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .ticket{
      position:relative;
      min-height:154px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:20px;
      background:rgba(255,255,255,.96);
      color:var(--ink);
      border-radius:24px;
      border:1px solid rgba(255,255,255,.38);
      box-shadow:0 18px 48px rgba(0,0,0,.14);
      overflow:hidden;
      transition:var(--ease);
    }
    .ticket:after{
      content:"";
      position:absolute;
      right:-18px;
      top:50%;
      width:36px;
      height:36px;
      transform:translateY(-50%);
      border-radius:50%;
      background:var(--green-800);
    }
    .ticket:hover{transform:translateY(-3px)}
    .ticket b{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--green-900);
      font-size:18px;
      font-weight:950;
    }
    .ticket small{display:block;color:var(--muted);margin:8px 0 14px;line-height:1.55}
    .ticket .btn{
      width:max-content;
      min-height:40px;
      padding:10px 14px;
    }
    .corner-badge{
      position:absolute;
      right:18px;
      top:16px;
      padding:4px 8px;
      border-radius:999px;
      background:var(--orange);
      color:#fff;
      font-size:12px;
      font-weight:950;
    }

    .faq-wrap{
      max-width:980px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border-radius:20px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(18,76,52,.06);
    }
    .accordion-title{
      border:0 !important;
      color:var(--green-900);
      font-weight:900;
      font-size:17px;
      padding:20px 56px 20px 22px;
      background:#fff;
      line-height:1.45;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:var(--grass-100);
      color:var(--green-800);
    }
    .accordion-title:before{
      right:22px;
      color:var(--green-800);
      font-size:20px;
      margin-top:-10px;
    }
    .accordion-content{
      border:0 !important;
      background:linear-gradient(90deg,rgba(215,244,59,.16),#fff 22%);
      padding:0 24px 22px;
      color:var(--muted);
      line-height:1.8;
    }
    .accordion-content p{margin:0}

    .footer{
      position:relative;
      padding:72px 0 28px;
      background:var(--green-900);
      color:rgba(255,255,255,.78);
      overflow:hidden;
    }
    .footer:before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.09);
      border-radius:34px;
      pointer-events:none;
    }
    .footer-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.35fr .85fr .85fr .85fr;
      gap:34px;
      margin-bottom:36px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer p{
      margin:0;
      max-width:430px;
      color:rgba(255,255,255,.68);
      font-size:15px;
      line-height:1.85;
    }
    .footer h3{
      margin:0 0 14px;
      color:var(--lime);
      font-size:16px;
      font-weight:950;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--lime);
      padding-left:3px;
    }
    .copyright{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    .article-shell{
      max-width:820px;
      margin:0 auto;
      font-size:17px;
      line-height:1.85;
    }
    .article-shell h2,.article-shell h3{color:var(--green-900)}
    .article-note{
      padding:18px 20px;
      border-radius:18px;
      border-left:5px solid var(--lime);
      background:var(--grass-100);
      color:var(--muted);
      margin:20px 0;
    }

    @media (max-width:1100px){
      .main-nav{flex-wrap:wrap;padding:14px 0}
      .brand{min-width:auto}
      .search-box{order:3;flex:1 1 100%;max-width:none}
      .nav-actions{margin-left:auto}
      .guide-layout,.steps-wrap,.cta-grid{grid-template-columns:1fr}
      .side-card{position:relative;top:auto}
      .system-grid,.proof-wall{grid-template-columns:1fr}
      .quote-card:nth-child(2){margin-top:0}
    }
    @media (max-width:760px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:58px 0}
      .section-tight{padding:46px 0}
      .main-nav{gap:12px}
      .brand-text span{display:none}
      .brand-mark{width:42px;height:42px;border-radius:14px}
      .nav-actions{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:10px}
      .nav-actions .btn{width:100%;padding-left:10px;padding-right:10px}
      .campaign-inner{align-items:flex-start;flex-direction:column;padding:10px 0;gap:8px}
      .category-hero{padding:54px 0 52px}
      .category-hero:before{inset:12px;border-radius:24px}
      .hero-copy p{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr;width:100%}
      .hero-actions .btn{width:100%}
      .panel-search{flex-direction:column}
      .panel-search .btn{width:100%}
      .filter-card{border-radius:20px}
      .guide-card{grid-template-columns:1fr;gap:12px}
      .guide-card .btn{width:100%}
      .matrix-head{display:none}
      .matrix-row{
        grid-template-columns:1fr;
        padding:14px;
        gap:10px;
      }
      .matrix-row div{
        padding:0;
        border-right:0;
      }
      .matrix-row div:before{
        display:block;
        color:var(--green-700);
        font-size:12px;
        font-weight:950;
        margin-bottom:3px;
      }
      .matrix-row div:nth-child(1):before{content:"现象"}
      .matrix-row div:nth-child(2):before{content:"可能原因"}
      .matrix-row div:nth-child(3):before{content:"处理入口"}
      .step-track{padding:20px}
      .step-track:before{display:none}
      .step-item{grid-template-columns:48px 1fr;gap:14px}
      .step-num{width:48px;height:48px;border-radius:16px;font-size:17px}
      .system-grid,.download-cards{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .brand-text strong{font-size:15px}
      .nav-actions{grid-template-columns:1fr}
      .channel-tabs a{font-size:13px;padding:9px 12px}
      .hero-copy h1{letter-spacing:-.025em}
      .slot-item{align-items:flex-start;flex-direction:column}
      .status-pill{align-self:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .footer{padding-top:54px}
    }