/* roulang page: category1 */
:root {
      color-scheme: light;
      --ink: #172a3a;
      --muted: #607486;
      --subtle: #8999a7;
      --blue: #2469a5;
      --blue-deep: #154b7c;
      --blue-soft: #e8f2fb;
      --teal: #198f8b;
      --paper: #ffffff;
      --canvas: #f4f8fc;
      --line: #dce7ef;
      --line-dark: #c8d8e5;
      --shadow: 0 14px 36px rgba(34, 66, 91, .09);
      --shadow-hover: 0 20px 44px rgba(34, 66, 91, .15);
      --radius: 14px;
      --radius-sm: 9px;
      --content: 1180px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior : smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--canvas);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
    ul, ol { padding: 0; list-style: none; }
    a { color: inherit; text-decoration: none; }
    img, video { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button { border: 0; cursor: pointer; }
    :focus-visible {
      outline: 3px solid rgba(25, 143, 139, .34);
      outline-offset: 3px;
    }
    .container {
      width: min(calc(100% - 48px), var(--content));
      margin: 0 auto;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .94);
      border-bottom: 1px solid rgba(220, 231, 239, .88);
      backdrop-filter: blur(18px);
    }
    .nav-shell {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      flex: 0 0 auto;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--blue-deep);
      border-radius: 11px;
      box-shadow: 0 8px 18px rgba(21, 75, 124, .2);
      font-size: 18px;
      font-weight: 800;
      letter-spacing: 0;
    }
    .brand-text {
      display: grid;
      gap: 0;
      line-height: 1.16;
      white-space: nowrap;
    }
    .brand-text strong {
      color: var(--ink);
      font-size: 15px;
      font-weight: 800;
      letter-spacing: .02em;
    }
    .brand-text small {
      color: var(--blue);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: .16em;
    }
    .site-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
    }
    .nav-link {
      position: relative;
      padding: 9px 12px;
      color: var(--muted);
      border-radius: 8px;
      font-size: 14px;
      font-weight: 700;
      transition: color .2s ease, background .2s ease;
    }
    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--blue-deep);
      background: var(--blue-soft);
    }
    .nav-link.is-active {
      color: var(--blue-deep);
      background: var(--blue-soft);
    }
    .nav-link.is-active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 3px;
      height: 2px;
      background: var(--teal);
      border-radius: 3px;
    }
    .nav-note {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding-left: 15px;
      color: var(--subtle);
      border-left: 1px solid var(--line);
      font-size: 12px;
      white-space: nowrap;
    }
    .nav-note::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--teal);
      box-shadow: 0 0 0 4px rgba(25, 143, 139, .12);
    }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      margin-left: auto;
      color: var(--blue-deep);
      background: var(--blue-soft);
      border-radius: 10px;
    }
    .menu-toggle span,
    .menu-toggle::before,
    .menu-toggle::after {
      content: "";
      display: block;
      width: 19px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 2px;
      transition: transform .2s ease;
    }
    .hero {
      position: relative;
      min-height: 650px;
      display: flex;
      align-items: center;
      overflow: hidden;
      isolation: isolate;
      color: #fff;
      background: #17364e;
    }
    .hero-media {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -3;
      opacity: .7;
      background: #274861 center / cover no-repeat;
    }
    .hero-shade {
      position: absolute;
      inset: 0;
      z-index: -2;
      background:
        linear-gradient(90deg, rgba(14, 40, 61, .91) 0%, rgba(18, 55, 82, .73) 42%, rgba(18, 55, 82, .24) 78%, rgba(18, 55, 82, .42) 100%),
        linear-gradient(0deg, rgba(9, 33, 52, .62), transparent 46%);
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      align-items: center;
      gap: 78px;
      padding-top: 74px;
      padding-bottom: 74px;
    }
    .hero-copy {
      max-width: 690px;
    }
    .eyebrow {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 22px;
      color: #b9e9e5;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .16em;
    }
    .eyebrow span {
      display: inline-grid;
      place-items: center;
      width: 27px;
      height: 27px;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .35);
      border-radius: 50%;
      font-size: 11px;
      letter-spacing: 0;
    }
    .hero h1 {
      max-width: 650px;
      color: #fff;
      font-size: clamp(42px, 6vw, 78px);
      line-height: 1.12;
      letter-spacing: .02em;
      font-weight: 900;
    }
    .hero h1 span {
      color: #8fe1d8;
    }
    .hero-subtitle {
      max-width: 560px;
      margin-top: 22px;
      color: rgba(255, 255, 255, .9);
      font-size: clamp(18px, 2vw, 23px);
      font-weight: 600;
      line-height: 1.5;
    }
    .hero-summary {
      max-width: 600px;
      margin-top: 14px;
      color: rgba(226, 239, 247, .8);
      font-size: 15px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 31px;
    }
    .button {
      min-height: 47px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 19px;
      border-radius: 9px;
      font-size: 14px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .button:hover {
      transform: translateY(-2px);
    }
    .button-primary {
      color: #103d5e;
      background: #b7eee6;
      box-shadow: 0 10px 24px rgba(4, 30, 49, .18);
    }
    .button-primary:hover {
      background: #d0f7f0;
      box-shadow: 0 14px 28px rgba(4, 30, 49, .25);
    }
    .button-secondary {
      color: #fff;
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .38);
    }
    .button-secondary:hover {
      background: rgba(255, 255, 255, .18);
      border-color: rgba(255, 255, 255, .7);
    }
    .play-icon {
      width: 24px;
      height: 24px;
      display: inline-grid;
      place-items: center;
      color: var(--blue-deep);
      background: #d5f6f0;
      border-radius: 50%;
      font-size: 10px;
    }
    .hero-signals {
      display: flex;
      flex-wrap: wrap;
      gap: 27px;
      margin-top: 48px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .2);
    }
    .hero-signal {
      display: grid;
      gap: 1px;
    }
    .hero-signal strong {
      font-size: 24px;
      line-height: 1.2;
      font-weight: 800;
    }
    .hero-signal span {
      color: rgba(226, 239, 247, .72);
      font-size: 12px;
    }
    .hero-side {
      align-self: end;
      padding-bottom: 7px;
    }
    .hero-panel {
      padding: 18px;
      background: rgba(13, 45, 69, .57);
      border: 1px solid rgba(255, 255, 255, .2);
      border-radius: 16px;
      box-shadow: 0 22px 48px rgba(2, 18, 31, .19);
      backdrop-filter: blur(12px);
    }
    .hero-panel-image {
      position: relative;
      overflow: hidden;
      aspect-ratio: 1.34 / 1;
      border-radius: 10px;
      background: #39657b;
    }
    .hero-panel-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .86;
    }
    .hero-panel-image::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 50%;
      background: linear-gradient(0deg, rgba(9, 28, 44, .76), transparent);
    }
    .panel-badge {
      position: absolute;
      left: 14px;
      bottom: 13px;
      z-index: 1;
      padding: 5px 9px;
      color: #d8faf4;
      background: rgba(10, 47, 63, .78);
      border: 1px solid rgba(183, 238, 230, .35);
      border-radius: 6px;
      font-size: 11px;
      font-weight: 800;
    }
    .hero-panel-copy {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 14px;
      padding-top: 15px;
    }
    .hero-panel-copy strong {
      color: #fff;
      font-size: 18px;
      font-weight: 800;
    }
    .hero-panel-copy span {
      color: #b3c9d6;
      font-size: 12px;
    }
    .panel-score {
      flex: 0 0 auto;
      color: #9fe5dc;
      font-size: 22px;
      font-weight: 800;
    }
    .signal-strip {
      position: relative;
      z-index: 2;
      margin-top: -1px;
      background: var(--paper);
      border-bottom: 1px solid var(--line);
    }
    .signal-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-left: 1px solid var(--line);
    }
    .signal-cell {
      min-height: 103px;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 22px 26px;
      border-right: 1px solid var(--line);
    }
    .signal-index {
      width: 35px;
      height: 35px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: var(--blue);
      background: var(--blue-soft);
      border-radius: 9px;
      font-size: 12px;
      font-weight: 800;
    }
    .signal-cell strong {
      display: block;
      color: var(--ink);
      font-size: 20px;
      line-height: 1.2;
      font-weight: 800;
    }
    .signal-cell span {
      color: var(--muted);
      font-size: 12px;
    }
    .section {
      padding: 92px 0;
    }
    .section-paper {
      background: var(--paper);
    }
    .section-tint {
      background: #edf5fa;
    }
    .section-quiet {
      background: #f8fbfd;
    }
    .section-dark {
      color: #edf7fb;
      background: #163c58;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 35px;
    }
    .section-kicker {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 11px;
      color: var(--teal);
      font-size: 12px;
      font-weight: 900;
      letter-spacing: .13em;
    }
    .section-kicker::before {
      content: "";
      width: 28px;
      height: 2px;
      background: currentColor;
      border-radius: 4px;
    }
    .section-title {
      color: var(--ink);
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.2;
      font-weight: 900;
      letter-spacing: .01em;
    }
    .section-dark .section-title {
      color: #fff;
    }
    .section-intro {
      max-width: 540px;
      margin-top: 12px;
      color: var(--muted);
      font-size: 15px;
    }
    .section-dark .section-intro {
      color: #b8ceda;
    }
    .section-action {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 6px;
      color: var(--blue);
      font-size: 13px;
      font-weight: 800;
      border-bottom: 1px solid var(--line-dark);
      transition: color .2s ease, border-color .2s ease;
    }
    .section-action:hover {
      color: var(--teal);
      border-color: var(--teal);
    }
    .section-action::after {
      content: "↗";
      font-size: 16px;
      line-height: 1;
    }
    .content-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 20px;
    }
    .content-card {
      overflow: hidden;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 8px 25px rgba(40, 76, 100, .05);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .content-card:hover {
      transform: translateY(-5px);
      border-color: #b9d0df;
      box-shadow: var(--shadow-hover);
    }
    .card-media {
      position: relative;
      overflow: hidden;
      aspect-ratio: 1.18 / 1;
      background: #dce9f0;
    }
    .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }
    .content-card:hover .card-media img {
      transform: scale(1.05);
    }
    .card-media::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 35%;
      background: linear-gradient(0deg, rgba(16, 39, 56, .48), transparent);
      pointer-events: none;
    }
    .card-label {
      position: absolute;
      z-index: 1;
      top: 12px;
      left: 12px;
      padding: 4px 8px;
      color: #fff;
      background: rgba(22, 66, 94, .82);
      border-radius: 5px;
      font-size: 10px;
      font-weight: 900;
      letter-spacing: .06em;
    }
    .card-rating {
      position: absolute;
      z-index: 1;
      right: 12px;
      bottom: 11px;
      color: #fff;
      font-size: 12px;
      font-weight: 800;
    }
    .card-body {
      padding: 16px 16px 17px;
    }
    .card-title {
      overflow: hidden;
      color: var(--ink);
      font-size: 16px;
      font-weight: 800;
      line-height: 1.45;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-top: 9px;
      color: var(--muted);
      font-size: 12px;
    }
    .status {
      display: inline-flex;
      align-items: center;
      min-height: 22px;
      padding: 0 7px;
      color: var(--blue);
      background: var(--blue-soft);
      border-radius: 5px;
      font-size: 10px;
      font-weight: 900;
      letter-spacing: .03em;
    }
    .status.teal {
      color: #11716e;
      background: #e2f5f1;
    }
    .status.gray {
      color: #607486;
      background: #eef2f5;
    }
    .content-card .card-description {
      margin-top: 10px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }
    .editorial-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
      align-items: center;
      gap: clamp(36px, 7vw, 92px);
    }
    .editorial-image {
      position: relative;
      min-height: 460px;
      overflow: hidden;
      border-radius: 16px;
      background: #c6dce5;
      box-shadow: var(--shadow);
    }
    .editorial-image img {
      width: 100%;
      height: 100%;
      min-height: 460px;
      object-fit: cover;
    }
    .editorial-caption {
      position: absolute;
      right: 20px;
      bottom: 20px;
      left: 20px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 12px;
      padding: 17px;
      color: #fff;
      background: rgba(18, 54, 79, .76);
      border: 1px solid rgba(255, 255, 255, .25);
      border-radius: 10px;
      backdrop-filter: blur(8px);
    }
    .editorial-caption small {
      display: block;
      color: #b9e9e5;
      font-size: 11px;
      font-weight: 800;
      letter-spacing: .08em;
    }
    .editorial-caption strong {
      display: block;
      margin-top: 3px;
      font-size: 17px;
      font-weight: 800;
    }
    .editorial-caption b {
      color: #a9e9df;
      font-size: 25px;
    }
    .editorial-copy {
      max-width: 500px;
    }
    .editorial-copy .section-title {
      max-width: 460px;
    }
    .editorial-copy p {
      margin-top: 20px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.9;
    }
    .editorial-points {
      display: grid;
      gap: 16px;
      margin-top: 28px;
    }
    .editorial-point {
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr);
      gap: 13px;
      align-items: start;
    }
    .point-number {
      width: 31px;
      height: 31px;
      display: grid;
      place-items: center;
      color: var(--blue);
      background: var(--blue-soft);
      border-radius: 8px;
      font-size: 12px;
      font-weight: 900;
    }
    .editorial-point strong {
      display: block;
      color: var(--ink);
      font-size: 14px;
      font-weight: 800;
    }
    .editorial-point span {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 13px;
    }
    .topic-layout {
      display: grid;
      grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr);
      gap: 42px;
      align-items: start;
    }
    .topic-lead {
      padding: 29px;
      background: #e4f1f8;
      border-left: 4px solid var(--teal);
      border-radius: 0 14px 14px 0;
    }
    .topic-lead strong {
      display: block;
      color: var(--ink);
      font-size: 20px;
      line-height: 1.45;
    }
    .topic-lead p {
      margin-top: 12px;
      color: var(--muted);
      font-size: 14px;
    }
    .topic-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .topic-tile {
      position: relative;
      min-height: 150px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 20px;
      overflow: hidden;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 12px;
      box-shadow: 0 7px 20px rgba(35, 72, 96, .05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .topic-tile:hover {
      transform: translateY(-3px);
      border-color: #a7c9d7;
      box-shadow: var(--shadow);
    }
    .topic-tile::after {
      content: "";
      position: absolute;
      right: -28px;
      bottom: -34px;
      width: 105px;
      height: 105px;
      border: 1px solid #cde3ed;
      border-radius: 50%;
    }
    .topic-tile small {
      color: var(--teal);
      font-size: 11px;
      font-weight: 900;
      letter-spacing: .08em;
    }
    .topic-tile h3 {
      position: relative;
      z-index: 1;
      margin-top: 12px;
      color: var(--ink);
      font-size: 18px;
      font-weight: 800;
    }
    .topic-tile p {
      position: relative;
      z-index: 1;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.65;
    }
    .topic-tile .tile-arrow {
      position: absolute;
      right: 19px;
      bottom: 17px;
      z-index: 2;
      color: var(--blue);
      font-size: 19px;
      transition: transform .2s ease;
    }
    .topic-tile:hover .tile-arrow {
      transform: translate(3px, -3px);
    }
    .hot-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 17px;
    }
    .hot-card {
      display: grid;
      grid-template-columns: 128px minmax(0, 1fr);
      min-height: 143px;
      overflow: hidden;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 12px;
      box-shadow: 0 7px 20px rgba(35, 72, 96, .04);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .hot-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
    }
    .hot-card figure {
      overflow: hidden;
      background: #dce9f0;
    }
    .hot-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .hot-card:hover img {
      transform: scale(1.06);
    }
    .hot-copy {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      padding: 17px 16px;
    }
    .hot-copy h3 {
      margin-top: 10px;
      color: var(--ink);
      font-size: 15px;
      line-height: 1.45;
      font-weight: 800;
    }
    .hot-copy p {
      margin-top: 7px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.55;
    }
    .hot-score {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      margin-top: auto;
      color: var(--blue);
      font-size: 12px;
      font-weight: 900;
    }
    .hot-score::before {
      content: "★";
      color: #edb651;
      font-size: 13px;
    }
    .ranking-layout {
      display: grid;
      grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr);
      gap: 56px;
      align-items: start;
    }
    .ranking-intro {
      position: sticky;
      top: 112px;
    }
    .ranking-intro .section-kicker {
      color: #9fe5dc;
    }
    .ranking-intro p {
      max-width: 380px;
      margin-top: 18px;
      color: #b8ceda;
      font-size: 15px;
    }
    .ranking-note {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-top: 32px;
      padding: 9px 12px;
      color: #c8e3e8;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 7px;
      font-size: 12px;
    }
    .ranking-note::before {
      content: "";
      width: 7px;
      height: 7px;
      background: #94e1d6;
      border-radius: 50%;
    }
    .rank-board {
      overflow: hidden;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(211, 237, 244, .18);
      border-radius: 13px;
    }
    .rank-item {
      min-height: 62px;
      display: grid;
      grid-template-columns: 47px minmax(0, 1fr) 76px 66px;
      align-items: center;
      gap: 15px;
      padding: 11px 20px;
      border-bottom: 1px solid rgba(211, 237, 244, .12);
      transition: background .2s ease;
    }
    .rank-item:last-child {
      border-bottom: 0;
    }
    .rank-item:hover {
      background: rgba(255, 255, 255, .08);
    }
    .rank-number {
      color: #8fb0bf;
      font-size: 18px;
      font-weight: 900;
    }
    .rank-item:nth-child(-n+3) .rank-number {
      color: #9fe5dc;
    }
    .rank-name {
      min-width: 0;
    }
    .rank-name strong {
      display: block;
      overflow: hidden;
      color: #f5fbfd;
      font-size: 14px;
      font-weight: 800;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .rank-name span {
      display: block;
      margin-top: 2px;
      overflow: hidden;
      color: #9db9c7;
      font-size: 11px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .rank-heat {
      color: #a9e9df;
      font-size: 12px;
      font-weight: 800;
      text-align: right;
    }
    .rank-score {
      color: #f4d190;
      font-size: 13px;
      font-weight: 900;
      text-align: right;
    }
    .journal-layout {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
      gap: 52px;
      align-items: start;
    }
    .journal-feature {
      overflow: hidden;
      background: #e8f2f7;
      border-radius: 14px;
    }
    .journal-feature figure {
      position: relative;
      aspect-ratio: 1.55 / 1;
      overflow: hidden;
    }
    .journal-feature img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }
    .journal-feature:hover img {
      transform: scale(1.04);
    }
    .journal-feature-body {
      padding: 22px 23px 25px;
    }
    .journal-date {
      color: var(--teal);
      font-size: 11px;
      font-weight: 900;
      letter-spacing: .09em;
    }
    .journal-feature h3 {
      margin-top: 9px;
      color: var(--ink);
      font-size: 21px;
      line-height: 1.45;
      font-weight: 900;
    }
    .journal-feature p {
      margin-top: 9px;
      color: var(--muted);
      font-size: 13px;
    }
    .journal-list {
      display: grid;
      gap: 0;
      border-top: 1px solid var(--line);
    }
    .journal-item {
      display: grid;
      grid-template-columns: 102px minmax(0, 1fr) 78px;
      align-items: center;
      gap: 17px;
      min-height: 103px;
      padding: 13px 0;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease;
    }
    .journal-item:hover {
      background: #f6fafc;
    }
    .journal-item figure {
      overflow: hidden;
      aspect-ratio: 1.4 / 1;
      border-radius: 8px;
      background: #dce9f0;
    }
    .journal-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .journal-item h4 {
      color: var(--ink);
      font-size: 14px;
      line-height: 1.5;
      font-weight: 800;
    }
    .journal-item p {
      margin-top: 5px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
    }
    .journal-item time {
      color: var(--subtle);
      font-size: 11px;
      text-align: right;
      white-space: nowrap;
    }
    .faq-layout {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
      gap: 65px;
      align-items: start;
    }
    .faq-aside {
      max-width: 370px;
    }
    .faq-aside p {
      margin-top: 15px;
      color: var(--muted);
      font-size: 14px;
    }
    .faq-aside .button {
      margin-top: 26px;
    }
    .button-light {
      color: var(--blue-deep);
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: 0 8px 18px rgba(35, 72, 96, .06);
    }
    .button-light:hover {
      border-color: #9fc4d4;
      box-shadow: var(--shadow);
    }
    .faq-list {
      display: grid;
      gap: 9px;
    }
    .faq-item {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 10px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .faq-item[open] {
      border-color: #a6c9d7;
      box-shadow: 0 8px 20px rgba(35, 72, 96, .06);
    }
    .faq-item summary {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 17px 20px;
      color: var(--ink);
      font-size: 14px;
      font-weight: 800;
      cursor: pointer;
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      color: var(--blue);
      font-size: 22px;
      font-weight: 400;
      line-height: 1;
      transition: transform .2s ease;
    }
    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-width: 680px;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }
    .closing-band {
      padding: 78px 0;
      background: #dceff3;
      border-top: 1px solid #c8e3e8;
      border-bottom: 1px solid #c8e3e8;
    }
    .closing-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }
    .closing-copy {
      max-width: 650px;
    }
    .closing-copy .section-kicker {
      margin-bottom: 13px;
    }
    .closing-copy h2 {
      color: var(--ink);
      font-size: clamp(26px, 4vw, 39px);
      line-height: 1.25;
      font-weight: 900;
    }
    .closing-copy p {
      margin-top: 12px;
      color: var(--muted);
      font-size: 14px;
    }
    .closing-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 11px;
      flex: 0 0 auto;
    }
    .closing-actions .button-primary {
      color: #fff;
      background: var(--blue-deep);
    }
    .closing-actions .button-primary:hover {
      background: var(--blue);
    }
    .site-footer {
      color: #b5cad5;
      background: #102f46;
    }
    .footer-main {
      display: grid;
      grid-template-columns: 1.55fr repeat(3, 1fr);
      gap: 45px;
      padding: 62px 0 54px;
    }
    .footer-brand .brand-text strong {
      color: #f2f8fa;
    }
    .footer-brand .brand-text small {
      color: #8ad2cc;
    }
    .footer-brand p {
      max-width: 280px;
      margin-top: 18px;
      color: #9bb6c3;
      font-size: 13px;
      line-height: 1.8;
    }
    .footer-column h3 {
      margin-bottom: 15px;
      color: #e6f2f5;
      font-size: 13px;
      font-weight: 800;
    }
    .footer-links {
      display: grid;
      gap: 9px;
    }
    .footer-links a {
      width: fit-content;
      color: #9bb6c3;
      font-size: 13px;
      transition: color .2s ease;
    }
    .footer-links a:hover {
      color: #a9e9df;
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 0 23px;
      border-top: 1px solid rgba(213, 236, 241, .14);
      color: #819daa;
      font-size: 11px;
    }
    .footer-bottom span:last-child {
      text-align: right;
    }
    .modal {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: grid;
      place-items: center;
      padding: 24px;
      background: rgba(9, 28, 43, .76);
      backdrop-filter: blur(7px);
    }
    .modal[hidden] {
      display: none;
    }
    .modal-card {
      position: relative;
      width: min(100%, 620px);
      overflow: hidden;
      color: var(--ink);
      background: var(--paper);
      border-radius: 16px;
      box-shadow: 0 28px 80px rgba(2, 18, 31, .3);
    }
    .modal-visual {
      position: relative;
      min-height: 285px;
      display: flex;
      align-items: end;
      padding: 28px;
      color: #fff;
      background:
        linear-gradient(0deg, rgba(11, 35, 51, .86), rgba(11, 35, 51, .12)),
        url("https://images.unsplash.com/photo-1515886657613-9f3515b0c78f?auto=format&fit=crop&w=1200&q=85") center / cover;
    }
    .modal-visual h2 {
      font-size: 30px;
      line-height: 1.25;
      font-weight: 900;
    }
    .modal-visual p {
      margin-top: 7px;
      color: #d5e6eb;
      font-size: 13px;
    }
    .modal-body {
      padding: 22px 28px 27px;
    }
    .modal-body p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }
    .modal-close {
      position: absolute;
      top: 16px;
      right: 16px;
      z-index: 2;
      width: 34px;
      height: 34px;
      color: #fff;
      background: rgba(9, 37, 54, .56);
      border: 1px solid rgba(255, 255, 255, .35);
      border-radius: 50%;
      font-size: 24px;
      line-height: 1;
    }
    .modal-close:hover {
      background: rgba(9, 37, 54, .85);
    }
    @media (max-width: 1100px) {
      .site-nav { gap: 0; }
      .nav-link { padding-right: 9px; padding-left: 9px; }
      .nav-note { display: none; }
      .hero-inner { gap: 42px; }
      .content-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .content-card:last-child,
      .content-card:nth-last-child(2) { display: none; }
      .hot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .hot-card:last-child { display: none; }
    }
    @media (max-width: 840px) {
      .container { width: min(calc(100% - 36px), var(--content)); }
      .nav-shell { min-height: 68px; }
      .menu-toggle { display: block; }
      .site-nav {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        display: none;
        padding: 10px 18px 16px;
        background: rgba(255, 255, 255, .98);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 14px 25px rgba(34, 66, 91, .08);
      }
      .site-nav.is-open { display: grid; }
      .nav-link { padding: 12px 13px; }
      .nav-link.is-active::after {
        left: 13px;
        right: auto;
        bottom: 8px;
        width: 24px;
      }
      .hero { min-height: 670px; }
      .hero-inner {
        grid-template-columns: 1fr;
        align-content: center;
        padding-top: 65px;
        padding-bottom: 58px;
      }
      .hero-side { display: none; }
      .hero-signals { margin-top: 37px; }
      .signal-grid { grid-template-columns: repeat(2, 1fr); }
      .signal-cell { min-height: 88px; padding: 17px 20px; }
      .section { padding: 70px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 13px; }
      .editorial-layout,
      .topic-layout,
      .ranking-layout,
      .journal-layout,
      .faq-layout {
        grid-template-columns: 1fr;
        gap: 35px;
      }
      .ranking-intro { position: static; }
      .ranking-intro p { max-width: 600px; }
      .ranking-note { margin-top: 21px; }
      .editorial-copy { max-width: 680px; }
      .editorial-image { min-height: 390px; }
      .editorial-image img { min-height: 390px; }
      .faq-aside { max-width: 600px; }
      .closing-inner { align-items: start; flex-direction: column; }
      .footer-main { grid-template-columns: 1.3fr repeat(3, 1fr); gap: 25px; }
    }
    @media (max-width: 620px) {
      .container { width: min(calc(100% - 30px), var(--content)); }
      .brand-text strong { font-size: 14px; }
      .hero { min-height: 650px; }
      .hero h1 { font-size: clamp(37px, 11vw, 56px); }
      .hero-subtitle { font-size: 18px; }
      .hero-summary { font-size: 14px; }
      .hero-actions { align-items: stretch; flex-direction: column; max-width: 280px; }
      .hero-actions .button { width: 100%; }
      .hero-signals { gap: 17px 24px; }
      .hero-signal strong { font-size: 21px; }
      .signal-grid { grid-template-columns: 1fr 1fr; }
      .signal-cell { gap: 10px; padding: 15px 12px; }
      .signal-index { width: 29px; height: 29px; font-size: 10px; }
      .signal-cell strong { font-size: 17px; }
      .signal-cell span { font-size: 11px; }
      .section { padding: 58px 0; }
      .section-title { font-size: 29px; }
      .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
      .content-card:last-child,
      .content-card:nth-last-child(2) { display: block; }
      .content-card:nth-child(n+9) { display: none; }
      .card-body { padding: 13px 12px 14px; }
      .card-title { font-size: 14px; }
      .card-meta { display: block; margin-top: 7px; }
      .card-meta .rating-text { display: block; margin-top: 5px; }
      .topic-list { grid-template-columns: 1fr 1fr; gap: 10px; }
      .topic-lead { padding: 22px; }
      .topic-tile { min-height: 143px; padding: 16px; }
      .topic-tile h3 { font-size: 16px; }
      .hot-grid { grid-template-columns: 1fr; }
      .hot-card { grid-template-columns: 112px minmax(0, 1fr); }
      .hot-card:last-child { display: grid; }
      .rank-item {
        grid-template-columns: 31px minmax(0, 1fr) 55px;
        gap: 10px;
        padding: 10px 13px;
      }
      .rank-score { display: none; }
      .rank-heat { font-size: 11px; }
      .journal-item {
        grid-template-columns: 83px minmax(0, 1fr);
        gap: 12px;
      }
      .journal-item time { display: none; }
      .journal-item h4 { font-size: 13px; }
      .journal-item p { font-size: 11px; }
      .editorial-image,
      .editorial-image img { min-height: 310px; }
      .editorial-caption { right: 12px; bottom: 12px; left: 12px; padding: 13px; }
      .closing-band { padding: 57px 0; }
      .closing-actions { align-items: stretch; flex-direction: column; width: 100%; }
      .closing-actions .button { width: 100%; }
      .footer-main { grid-template-columns: repeat(2, 1fr); gap: 34px 21px; padding: 48px 0 39px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
      .footer-bottom span:last-child { text-align: left; }
      .modal { padding: 15px; }
      .modal-visual { min-height: 240px; padding: 22px; }
      .modal-visual h2 { font-size: 25px; }
      .modal-body { padding: 19px 22px 23px; }
    }
    @media (max-width: 400px) {
      .brand-mark { width: 38px; height: 38px; }
      .brand-text strong { font-size: 13px; }
      .brand-text small { font-size: 10px; }
      .content-grid { gap: 9px; }
      .card-media { aspect-ratio: 1.05 / 1; }
      .card-label { top: 8px; left: 8px; padding: 3px 5px; }
      .card-rating { right: 8px; bottom: 8px; }
      .topic-list { grid-template-columns: 1fr; }
    }

/* roulang page: category2 */
:root {
            --ink: #18263d;
            --muted: #6c7890;
            --blue: #1d67d8;
            --blue-dark: #124caa;
            --cyan: #39b9ca;
            --paper: #f5f8fc;
            --white: #ffffff;
            --line: #e3eaf3;
            --soft-blue: #eaf2ff;
            --soft-cyan: #eaf9fa;
            --gold: #d99a32;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 16px 42px rgba(32, 61, 105, .10);
            --shadow-small: 0 8px 22px rgba(32, 61, 105, .08);
            --container: 1180px;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--blue);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: .08em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--cyan);
        }
        h1, h2, h3, p { margin-top: 0; }
        h1, h2, h3 { line-height: 1.25; }
        h2 { font-size: clamp(28px, 3vw, 40px); margin-bottom: 14px; }
        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 28px;
        }
        .section-head p {
            max-width: 510px;
            margin-bottom: 0;
            color: var(--muted);
        }
        .text-link {
            color: var(--blue);
            font-weight: 700;
            white-space: nowrap;
        }
        .text-link:hover { color: var(--blue-dark); }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(255,255,255,.94);
            border-bottom: 1px solid rgba(227,234,243,.9);
            backdrop-filter: blur(18px);
        }
        .nav-wrap {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 250px;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            color: #fff;
            background: var(--blue);
            border-radius: 11px;
            font-weight: 800;
            box-shadow: 0 8px 16px rgba(29,103,216,.25);
        }
        .brand-name { font-size: 17px; font-weight: 800; letter-spacing: .02em; }
        .brand-caption { display: block; color: var(--muted); font-size: 11px; line-height: 1.2; margin-top: 2px; }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 10px 14px;
            border-radius: 9px;
            color: #5d6b82;
            font-size: 14px;
            transition: .2s ease;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--blue);
            background: var(--soft-blue);
        }
        .nav-action {
            padding: 11px 17px !important;
            color: #fff !important;
            background: var(--ink) !important;
        }
        .nav-action:hover { background: var(--blue) !important; }
        .menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); font-size: 23px; }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 82px 0 76px;
            background: var(--white);
            border-bottom: 1px solid var(--line);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.04fr .96fr;
            align-items: center;
            gap: 68px;
        }
        .hero h1 {
            max-width: 650px;
            margin: 18px 0 20px;
            font-size: clamp(38px, 5vw, 66px);
            letter-spacing: -.03em;
        }
        .hero h1 span { color: var(--blue); }
        .hero-copy {
            max-width: 610px;
            color: var(--muted);
            font-size: 17px;
            margin-bottom: 28px;
        }
        .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 9px;
            font-weight: 700;
            transition: transform .2s, box-shadow .2s, background .2s;
        }
        .btn:hover { transform: translateY(-2px); }
        .btn-primary { color: #fff; background: var(--blue); box-shadow: 0 9px 20px rgba(29,103,216,.2); }
        .btn-primary:hover { background: var(--blue-dark); box-shadow: 0 12px 26px rgba(29,103,216,.28); }
        .btn-light { color: var(--ink); background: #fff; border-color: var(--line); }
        .btn-light:hover { border-color: #b9cae4; box-shadow: var(--shadow-small); }
        .trust-panel {
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #fbfdff;
            box-shadow: var(--shadow);
        }
        .trust-image {
            height: 210px;
            object-fit: cover;
            border-radius: 11px;
            margin-bottom: 20px;
        }
        .panel-label { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
        .check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; padding: 0; margin: 0; list-style: none; }
        .check-list li { color: #3c4d66; font-size: 14px; }
        .check-list li::before {
            content: "✓";
            display: inline-grid;
            place-items: center;
            width: 20px;
            height: 20px;
            margin-right: 7px;
            border-radius: 50%;
            color: #168e8b;
            background: var(--soft-cyan);
            font-size: 12px;
            font-weight: 800;
        }
        .trust-note { margin: 18px 0 0; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

        section { padding: 78px 0; }
        .signal-bar { padding: 22px 0; background: var(--ink); color: #fff; }
        .signal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
        .signal-item { padding-left: 20px; border-left: 1px solid rgba(255,255,255,.2); }
        .signal-item:first-child { border-left: 0; padding-left: 0; }
        .signal-number { display: block; color: #8ddbe5; font-size: 25px; font-weight: 800; }
        .signal-item small { color: #b9c6d7; font-size: 13px; }

        .feature-section { background: #fff; }
        .feature-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; }
        .feature-main {
            position: relative;
            min-height: 390px;
            overflow: hidden;
            border-radius: var(--radius);
            color: #fff;
            background: #18314f;
        }
        .feature-main img { height: 100%; object-fit: cover; opacity: .72; }
        .feature-main::after {
            content: "";
            position: absolute; inset: 0;
            background: linear-gradient(0deg, rgba(10,24,43,.9), rgba(10,24,43,.03) 68%);
        }
        .feature-content { position: absolute; z-index: 1; left: 30px; right: 30px; bottom: 27px; }
        .feature-content h3 { max-width: 510px; margin: 10px 0; font-size: 28px; }
        .feature-content p { max-width: 530px; color: #d9e5f3; margin-bottom: 0; }
        .mini-list { display: grid; gap: 14px; }
        .mini-card {
            display: grid;
            grid-template-columns: 116px 1fr;
            gap: 15px;
            padding: 12px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: #fff;
            box-shadow: var(--shadow-small);
            transition: .2s ease;
        }
        .mini-card:hover { transform: translateY(-3px); border-color: #b9d0f4; }
        .mini-card img { height: 94px; object-fit: cover; border-radius: 7px; }
        .mini-card h3 { margin: 5px 0 7px; font-size: 16px; }
        .mini-card p { color: var(--muted); font-size: 13px; margin-bottom: 0; }

        .matrix-section { background: var(--paper); }
        .matrix { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .matrix-card {
            padding: 23px;
            min-height: 170px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #fff;
            transition: .2s ease;
        }
        .matrix-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-small); }
        .matrix-icon { color: var(--blue); font-size: 25px; font-weight: 800; }
        .matrix-card h3 { margin: 12px 0 7px; font-size: 18px; }
        .matrix-card p { margin: 0; color: var(--muted); font-size: 13px; }

        .ranking-section { background: #fff; }
        .ranking-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 52px; align-items: start; }
        .ranking-intro p { color: var(--muted); max-width: 380px; }
        .rank-list { border-top: 1px solid var(--line); }
        .rank-row {
            display: grid;
            grid-template-columns: 44px 1fr auto auto;
            align-items: center;
            gap: 16px;
            min-height: 65px;
            border-bottom: 1px solid var(--line);
        }
        .rank-no { color: #9aa8bb; font-size: 20px; font-weight: 800; }
        .rank-row:nth-child(-n+3) .rank-no { color: var(--blue); }
        .rank-title { font-weight: 700; }
        .rank-type { color: var(--muted); font-size: 12px; }
        .heat { color: var(--gold); font-size: 13px; font-weight: 700; }
        .score { min-width: 42px; color: var(--blue); font-weight: 800; text-align: right; }

        .updates-section { background: var(--paper); }
        .updates-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .update-card {
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #fff;
            transition: .2s ease;
        }
        .update-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-small); }
        .update-card img { height: 170px; object-fit: cover; }
        .update-body { padding: 18px; }
        .update-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
        .update-body h3 { margin: 9px 0 0; font-size: 17px; }

        .faq-section { background: #fff; }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 40px; }
        .faq-item { padding: 20px 0; border-top: 1px solid var(--line); }
        .faq-item h3 { position: relative; margin: 0 0 8px; padding-left: 28px; font-size: 17px; }
        .faq-item h3::before { content: "Q"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }
        .faq-item p { color: var(--muted); font-size: 14px; margin: 0; }

        .cta-section { padding-top: 28px; padding-bottom: 82px; background: #fff; }
        .cta-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            padding: 34px 40px;
            border-radius: var(--radius);
            color: #fff;
            background: var(--blue);
            box-shadow: 0 17px 35px rgba(29,103,216,.22);
        }
        .cta-box h2 { margin: 0 0 7px; font-size: 28px; }
        .cta-box p { margin: 0; color: #d9e7ff; }
        .cta-box .btn-light { border: 0; color: var(--blue); }

        footer { padding: 54px 0 24px; color: #aab8ca; background: #142238; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 42px; padding-bottom: 38px; }
        footer .brand-name { color: #fff; }
        footer .brand-caption { color: #8e9db1; }
        .footer-intro { max-width: 300px; margin: 18px 0 0; font-size: 13px; line-height: 1.8; }
        footer h3 { color: #fff; font-size: 14px; margin: 4px 0 15px; }
        .footer-links { display: grid; gap: 9px; font-size: 13px; }
        .footer-links a:hover { color: #fff; }
        .copyright { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }

        :focus-visible { outline: 3px solid rgba(57,185,202,.45); outline-offset: 3px; }
        @media (max-width: 1024px) {
            .hero-grid, .feature-layout, .ranking-layout { gap: 32px; }
            .matrix { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 32px)); }
            .nav-wrap { min-height: 68px; }
            .brand { min-width: 0; }
            .brand-name { font-size: 15px; }
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px; left: 16px; right: 16px;
                padding: 10px;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border: 1px solid var(--line);
                border-radius: 12px;
                box-shadow: var(--shadow);
            }
            .nav-links.open { display: flex; }
            .nav-links a { text-align: center; }
            .hero { padding: 58px 0; }
            .hero-grid, .feature-layout, .ranking-layout { grid-template-columns: 1fr; }
            .hero h1 { font-size: 43px; }
            .trust-panel { max-width: 620px; }
            .signal-grid { grid-template-columns: repeat(2, 1fr); }
            .signal-item:nth-child(3) { border-left: 0; padding-left: 0; }
            .updates-grid { grid-template-columns: repeat(2, 1fr); }
            .faq-grid { grid-template-columns: 1fr; gap: 0; }
            .cta-box { align-items: flex-start; flex-direction: column; padding: 30px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            section { padding: 58px 0; }
            .section-head { display: block; }
            .section-head .text-link { display: inline-block; margin-top: 12px; }
            .hero h1 { font-size: 36px; }
            .hero-copy { font-size: 15px; }
            .check-list { grid-template-columns: 1fr; }
            .signal-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .signal-number { font-size: 21px; }
            .feature-main { min-height: 330px; }
            .feature-content { left: 20px; right: 20px; }
            .feature-content h3 { font-size: 23px; }
            .matrix { grid-template-columns: 1fr; }
            .rank-row { grid-template-columns: 32px 1fr auto; gap: 9px; }
            .rank-type { display: block; }
            .heat { display: none; }
            .updates-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
            .footer-grid > div:first-child { grid-column: 1 / -1; }
        }

/* roulang page: category3 */
:root {
      --ink: #14263d;
      --muted: #6e7c8f;
      --soft: #eef4fa;
      --line: #dfe8f1;
      --brand: #1769aa;
      --brand-deep: #0e4778;
      --cyan: #4bb7c9;
      --sky: #e9f6fb;
      --white: #ffffff;
      --warm: #f6b65b;
      --radius: 18px;
      --radius-sm: 11px;
      --shadow: 0 18px 45px rgba(25, 60, 95, .10);
      --shadow-hover: 0 24px 55px rgba(25, 60, 95, .17);
      --container: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: #f8fbfe;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; width: 100%; object-fit: cover; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(75, 183, 201, .46); outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255,255,255,.94);
      border-bottom: 1px solid rgba(223,232,241,.9);
      backdrop-filter: blur(16px);
    }
    .nav-shell { min-height: 76px; display: flex; align-items: center; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 245px; }
    .brand-mark {
      width: 38px; height: 38px; border-radius: 12px;
      display: grid; place-items: center;
      color: #fff; font-weight: 800; font-size: 18px;
      background: linear-gradient(145deg, var(--brand), var(--cyan));
      box-shadow: 0 9px 18px rgba(23,105,170,.22);
    }
    .brand-name { font-size: 17px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
    .brand-note { display: block; color: var(--muted); font-size: 11px; line-height: 1.25; font-weight: 500; }
    .main-nav { display: flex; align-items: center; gap: 5px; flex: 1; }
    .main-nav a {
      padding: 9px 13px; border-radius: 9px; color: #5c6d80;
      transition: .2s ease; font-size: 14px; white-space: nowrap;
    }
    .main-nav a:hover, .main-nav a.active { color: var(--brand-deep); background: var(--sky); }
    .nav-action {
      display: inline-flex; align-items: center; gap: 7px;
      padding: 10px 15px; border-radius: 9px; color: #fff;
      background: var(--brand); font-weight: 700; white-space: nowrap;
      transition: .2s ease;
    }
    .nav-action:hover { background: var(--brand-deep); transform: translateY(-1px); }
    .menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); font-size: 24px; }
    .hero {
      min-height: 610px;
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(90deg, rgba(10,33,58,.88) 0%, rgba(14,62,95,.67) 47%, rgba(14,62,95,.25) 100%),
        url("https://images.unsplash.com/photo-1515886657613-9f3515b0c78f?auto=format&fit=crop&w=1800&q=88") center 30% / cover;
    }
    .hero::after {
      content: ""; position: absolute; inset: auto 0 0;
      height: 100px; background: linear-gradient(transparent, #f8fbfe);
      pointer-events: none;
    }
    .hero-inner { position: relative; z-index: 1; padding: 92px 0 110px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      color: #c9f6ff; font-size: 13px; font-weight: 700; letter-spacing: .08em;
    }
    .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--cyan); }
    .hero h1 { max-width: 650px; margin: 18px 0 14px; font-size: clamp(40px, 5vw, 68px); line-height: 1.15; letter-spacing: 0; }
    .hero h1 em { color: #9fe7f1; font-style: normal; }
    .hero-lead { max-width: 620px; margin: 0; color: rgba(255,255,255,.82); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 46px; padding: 0 20px; border: 1px solid transparent;
      border-radius: 10px; font-weight: 700; transition: .2s ease;
    }
    .btn-primary { background: var(--cyan); color: #083a52; box-shadow: 0 10px 24px rgba(75,183,201,.25); }
    .btn-primary:hover { background: #75d1dc; transform: translateY(-2px); }
    .btn-light { color: #fff; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.10); }
    .btn-light:hover { background: rgba(255,255,255,.2); }
    .countdown {
      position: absolute; right: 0; bottom: 88px; z-index: 2;
      display: flex; align-items: center; gap: 14px;
      padding: 13px 18px; color: #e7fbff;
      border: 1px solid rgba(194,243,249,.28); border-radius: 12px;
      background: rgba(4,33,58,.48); backdrop-filter: blur(10px);
    }
    .countdown strong { color: #fff; font-size: 20px; }
    .countdown small { color: rgba(255,255,255,.68); }
    section { padding: 88px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin-bottom: 32px; }
    .section-kicker { margin: 0 0 6px; color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.25; }
    .section-head p { max-width: 500px; margin: 0; color: var(--muted); }
    .text-link { color: var(--brand); font-weight: 700; white-space: nowrap; }
    .text-link:hover { color: var(--brand-deep); text-decoration: underline; }
    .feature-band { background: var(--white); }
    .feature-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
    .feature-image { min-height: 390px; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); position: relative; }
    .feature-image img { height: 100%; min-height: 390px; }
    .image-label { position: absolute; left: 18px; top: 18px; padding: 6px 11px; color: #fff; background: rgba(14,71,120,.86); border-radius: 8px; font-size: 12px; font-weight: 700; }
    .feature-copy h2 { margin-bottom: 18px; }
    .feature-copy > p { color: var(--muted); margin: 0 0 22px; }
    .benefit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 15px 25px; margin: 0; padding: 0; list-style: none; }
    .benefit-list li { display: flex; gap: 10px; color: #40546a; }
    .benefit-list b { color: var(--brand); }
    .stats-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin-top: 35px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
    .stat { padding: 18px; background: #fbfdff; }
    .stat strong { display: block; color: var(--brand-deep); font-size: 25px; line-height: 1.2; }
    .stat span { color: var(--muted); font-size: 12px; }
    .latest-section { background: #f4f8fc; }
    .content-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .content-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 24px rgba(25,60,95,.05); transition: .22s ease; }
    .content-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
    .card-media { height: 225px; position: relative; overflow: hidden; background: var(--soft); }
    .card-media img { height: 100%; transition: transform .4s ease; }
    .content-card:hover .card-media img { transform: scale(1.045); }
    .badge { position: absolute; top: 12px; left: 12px; padding: 4px 8px; border-radius: 6px; color: #fff; background: rgba(14,71,120,.9); font-size: 11px; font-weight: 700; }
    .badge.alt { background: rgba(21,136,139,.92); }
    .card-body { padding: 16px; }
    .card-body h3 { margin: 0 0 9px; font-size: 16px; line-height: 1.45; }
    .meta-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 12px; }
    .rating { color: #d18b22; font-weight: 800; }
    .popular-section { background: #fff; }
    .popular-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
    .popular-main { min-height: 420px; position: relative; overflow: hidden; border-radius : 22px; overflow: hidden; background: #183b5c; }
    .popular-main img { height: 100%; opacity: .78; }
    .popular-overlay { position: absolute; inset: auto 0 0; padding: 90px 28px 25px; color: #fff; background: linear-gradient(transparent, rgba(5,24,43,.92)); }
    .popular-overlay h3 { margin: 0 0 5px; font-size: 25px; }
    .popular-overlay p { margin: 0; color: rgba(255,255,255,.75); }
    .popular-list { display: grid; gap: 12px; }
    .popular-item { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 13px; padding: 12px; border: 1px solid var(--line); border-radius: 13px; background: #fff; transition: .2s ease; }
    .popular-item:hover { border-color: #acd6e6; box-shadow: 0 8px 20px rgba(25,60,95,.08); }
    .popular-item img { width: 58px; height: 66px; border-radius: 9px; }
    .popular-item h3 { margin: 0 0 2px; font-size: 14px; }
    .popular-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .score { color: var(--brand); font-size: 14px; font-weight: 800; }
    .channel-section { background: var(--sky); }
    .channel-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
    .channel { padding: 23px; border: 1px solid #d5eaf1; border-radius: 16px; background: rgba(255,255,255,.7); transition: .2s ease; }
    .channel:hover { transform: translateY(-4px); background: #fff; box-shadow: var(--shadow); }
    .channel-number { color: var(--cyan); font-size: 13px; font-weight: 800; }
    .channel h3 { margin: 13px 0 7px; font-size: 17px; }
    .channel p { margin: 0; color: var(--muted); font-size: 13px; }
    .ranking-section { background: #fff; }
    .ranking-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 55px; align-items: start; }
    .ranking-intro { position: sticky; top: 110px; }
    .ranking-intro p { color: var(--muted); margin: 16px 0 24px; }
    .ranking-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
    .ranking-item { display: grid; grid-template-columns: 42px 1fr 75px 55px; align-items: center; gap: 13px; padding: 15px 5px; border-bottom: 1px solid var(--line); }
    .rank-num { color: #a3b0bd; font-size: 20px; font-weight: 800; }
    .ranking-item:nth-child(-n+3) .rank-num { color: var(--warm); }
    .rank-title { font-weight: 700; }
    .rank-tag { justify-self: start; padding: 3px 7px; border-radius: 5px; color: var(--brand); background: var(--sky); font-size: 11px; }
    .rank-hot { color: #e2844d; font-size: 12px; }
    .rank-score { color: var(--brand-deep); font-weight: 800; }
    .news-section { background: #f4f8fc; }
    .news-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; }
    .news-lead { position: relative; overflow: hidden; min-height: 355px; border-radius: 18px; color: #fff; background: #183b5c; }
    .news-lead img { height: 355px; opacity: .8; }
    .news-lead-content { position: absolute; inset: auto 0 0; padding: 82px 25px 23px; background: linear-gradient(transparent, rgba(7,27,48,.92)); }
    .news-lead h3 { margin: 0 0 6px; font-size: 22px; }
    .news-lead p { margin: 0; color: rgba(255,255,255,.73); }
    .news-list { display: grid; gap: 13px; }
    .news-item { display: grid; grid-template-columns: 105px 1fr; gap: 14px; align-items: center; padding: 9px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
    .news-item img { height: 74px; border-radius: 8px; }
    .news-item h3 { margin: 0 0 4px; font-size: 14px; line-height: 1.4; }
    .news-item time { color: var(--muted); font-size: 11px; }
    .quote-section { background: #fff; }
    .quote-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
    .quote { padding: 25px; border: 1px solid var(--line); border-radius: 16px; background: #fbfdff; }
    .quote-mark { color: var(--cyan); font-size: 30px; line-height: 1; }
    .quote p { min-height: 82px; margin: 11px 0 17px; color: #455d72; font-size: 14px; }
    .quote cite { color: var(--brand-deep); font-style: normal; font-size: 13px; font-weight: 700; }
    .faq-section { background: #f4f8fc; }
    .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 35px; }
    details { padding: 17px 0; border-bottom: 1px solid var(--line); }
    summary { cursor: pointer; color: var(--ink); font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; float: right; color: var(--brand); font-size: 21px; font-weight: 400; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { margin: 10px 26px 0 0; color: var(--muted); font-size: 13px; }
    .closing-section { padding: 65px 0; background: #123b60; color: #fff; }
    .closing { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
    .closing h2 { max-width: 650px; font-size: 31px; }
    .closing p { margin: 8px 0 0; color: rgba(255,255,255,.7); }
    .site-footer { padding: 55px 0 24px; color: #9aabba; background: #0d263d; }
    .footer-grid { display: grid; grid-template-columns: 1.45fr 1fr 1fr 1fr; gap: 35px; padding-bottom: 40px; }
    .footer-brand { color: #fff; }
    .footer-brand p { max-width: 290px; margin: 16px 0 0; color: #9aabba; font-size: 13px; }
    .footer-title { margin: 0 0 14px; color: #fff; font-size: 14px; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { color: #9aabba; font-size: 13px; transition: .2s ease; }
    .footer-links a:hover { color: #8edce8; }
    .copyright { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #72889a; font-size: 12px; }
    @media (max-width: 1024px) {
      .brand { min-width: auto; }
      .brand-note { display: none; }
      .nav-shell { gap: 15px; }
      .main-nav { gap: 0; }
      .main-nav a { padding: 8px 9px; font-size: 13px; }
      .content-grid { grid-template-columns: repeat(3,1fr); }
      .card-media { height: 210px; }
      .channel-grid { grid-template-columns: repeat(2,1fr); }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .nav-shell { min-height: 68px; justify-content: space-between; }
      .menu-toggle { display: block; }
      .main-nav { position: absolute; top: 68px; left: 15px; right: 15px; display: none; padding: 9px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
      .main-nav.open { display: grid; }
      .main-nav a { padding: 11px 13px; }
      .nav-action { display: none; }
      .hero { min-height: 610px; background-position: 63% center; }
      .hero-inner { padding: 75px 0 130px; }
      .hero h1 { font-size: 44px; }
      .countdown { left: 15px; right: auto; bottom: 54px; }
      section { padding: 65px 0; }
      .section-head { display: block; }
      .section-head p { margin-top: 10px; }
      .feature-layout, .popular-layout, .ranking-layout, .news-layout { grid-template-columns: 1fr; gap: 30px; }
      .ranking-intro { position: static; }
      .content-grid { grid-template-columns: repeat(2,1fr); }
      .stats-strip { grid-template-columns: repeat(2,1fr); }
      .quote-grid { grid-template-columns: 1fr; }
      .quote p { min-height: auto; }
      .faq-grid { grid-template-columns: 1fr; }
      .closing { display: block; }
      .closing .btn { margin-top: 22px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 520px) {
      .brand-name { font-size: 15px; }
      .brand-mark { width: 34px; height: 34px; }
      .hero h1 { font-size: 38px; }
      .hero-lead { font-size: 15px; }
      .hero-actions { display: grid; }
      .hero-actions .btn { width: 100%; }
      .countdown { padding: 10px 12px; gap: 8px; font-size: 12px; }
      .countdown strong { font-size: 17px; }
      .content-grid, .channel-grid { grid-template-columns: 1fr; }
      .card-media { height: 260px; }
      .feature-image, .feature-image img { min-height: 280px; height: 280px; }
      .benefit-list { grid-template-columns: 1fr; }
      .ranking-item { grid-template-columns: 32px 1fr 48px; }
      .rank-tag { display: none; }
      .ranking-item .rank-score { text-align: right; }
      .news-item { grid-template-columns: 88px 1fr; }
      .news-item img { height: 68px; }
      .footer-grid { grid-template-columns: 1fr; gap: 27px; }
    }