/* roulang page: index */
:root {
      --bg: #0b080d;
      --bg-2: #100b12;
      --panel: #171018;
      --panel-2: #211722;
      --panel-3: #2b2130;
      --line: #3a2c40;
      --line-strong: #5a4054;
      --primary: #e83d63;
      --primary-dark: #d72f55;
      --amber: #f5b84b;
      --text: #f8f1f4;
      --muted: #d6c9cf;
      --weak: #9b8d94;
      --green: #45c979;
      --danger: #ff5a70;
      --light: #fff7f2;
      --shadow: 0 24px 70px rgba(0, 0, 0, .38);
      --glow: 0 0 34px rgba(232, 61, 99, .18);
      --radius: 18px;
      --radius-sm: 12px;
      --container: 1220px;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 20% 0%, rgba(232, 61, 99, .17), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(245, 184, 75, .12), transparent 30%),
        linear-gradient(180deg, var(--bg), var(--bg-2) 46%, #0a070b);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

    button {
      cursor: pointer;
      border: 0;
    }

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(16, 11, 18, .88);
      border-radius: 14px;
      padding: 13px 14px;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    input::placeholder,
    textarea::placeholder {
      color: #85757d;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(232, 61, 99, .16);
      background: rgba(23, 16, 24, .98);
    }

    :focus-visible {
      outline: 3px solid rgba(245, 184, 75, .78);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(11, 8, 13, .82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(58, 44, 64, .78);
      box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
    }

    .topbar {
      min-height: 74px;
      display: grid;
      grid-template-columns: auto minmax(240px, 1fr) auto;
      gap: 22px;
      align-items: center;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      color: #fff;
      background:
        linear-gradient(135deg, var(--primary), #8c264a 52%, var(--amber));
      box-shadow: var(--glow);
      font-size: 16px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: 17px;
      letter-spacing: 0;
    }

    .brand-text span {
      color: var(--weak);
      font-size: 12px;
      margin-top: 2px;
    }

    .search {
      position: relative;
      max-width: 560px;
      justify-self: center;
      width: 100%;
    }

    .search input {
      padding-left: 42px;
      border-radius: 999px;
      background: rgba(23, 16, 24, .72);
    }

    .search-icon {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--weak);
      font-size: 15px;
      pointer-events: none;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 18px;
      border-radius: 999px;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-1px);
      background: var(--primary-dark);
      box-shadow: 0 0 22px rgba(245, 184, 75, .2);
    }

    .channel-row {
      border-top: 1px solid rgba(58, 44, 64, .52);
    }

    .channel-tabs {
      display: flex;
      gap: 10px;
      align-items: center;
      min-height: 50px;
      overflow-x: auto;
      scrollbar-width: none;
    }

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

    .tab-link {
      position: relative;
      flex: 0 0 auto;
      padding: 8px 16px;
      border: 1px solid transparent;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 750;
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    .tab-link:hover {
      color: #fff;
      border-color: var(--line-strong);
      background: rgba(255, 255, 255, .04);
    }

    .tab-link.active {
      color: #fff;
      background: rgba(232, 61, 99, .95);
      box-shadow: 0 0 22px rgba(232, 61, 99, .18);
    }

    .tab-link.active::after {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--amber);
      position: absolute;
      right: 9px;
      top: 8px;
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 86px 0;
    }

    .hero {
      position: relative;
      min-height: 760px;
      padding: 0;
      display: flex;
      align-items: stretch;
      background:
        linear-gradient(90deg, rgba(11, 8, 13, .88), rgba(11, 8, 13, .46), rgba(11, 8, 13, .9)),
        linear-gradient(135deg, rgba(232, 61, 99, .18), transparent 35%),
        linear-gradient(45deg, #130b12, #251828 48%, #0b080d);
      border-bottom: 1px solid rgba(58, 44, 64, .7);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 9px),
        radial-gradient(circle at 64% 26%, rgba(245, 184, 75, .22), transparent 34%),
        radial-gradient(circle at 35% 62%, rgba(232, 61, 99, .18), transparent 36%);
      opacity: .65;
      pointer-events: none;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 160px;
      background: linear-gradient(180deg, transparent, var(--bg));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      width: min(1360px, calc(100% - 40px));
      margin: 0 auto;
      padding: 74px 0 112px;
      display: grid;
      grid-template-columns: 1.03fr .97fr;
      gap: 36px;
      align-items: center;
    }

    .hero-stage-nav {
      grid-column: 1 / -1;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      padding: 10px;
      border: 1px solid rgba(245, 184, 75, .24);
      border-radius: 999px;
      background: rgba(23, 16, 24, .68);
      width: fit-content;
      max-width: 100%;
      box-shadow: 0 18px 55px rgba(0, 0, 0, .25);
    }

    .hero-stage-nav span,
    .hero-stage-nav a {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      padding: 7px 13px;
      border-radius: 999px;
      white-space: nowrap;
    }

    .hero-stage-nav .live {
      color: #140b0f;
      background: var(--amber);
    }

    .hero-copy {
      max-width: 720px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--amber);
      font-size: 13px;
      font-weight: 900;
      border: 1px solid rgba(245, 184, 75, .36);
      background: rgba(245, 184, 75, .08);
      border-radius: 999px;
      padding: 7px 13px;
      margin-bottom: 20px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 18px rgba(232, 61, 99, .75);
    }

    h1 {
      margin: 0;
      font-size: clamp(38px, 5.1vw, 66px);
      line-height: 1.08;
      letter-spacing: 0;
      max-width: 860px;
    }

    .hero-desc {
      margin: 22px 0 0;
      max-width: 710px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-top: 32px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 13px 23px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-primary {
      color: #fff;
      background: var(--primary);
      box-shadow: 0 16px 32px rgba(232, 61, 99, .23);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 18px 38px rgba(232, 61, 99, .32), 0 0 24px rgba(245, 184, 75, .16);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(43, 33, 48, .82);
      border-color: var(--line-strong);
    }

    .btn-secondary:hover {
      border-color: var(--amber);
      transform: translateY(-1px);
      background: rgba(58, 44, 64, .9);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 32px;
      max-width: 720px;
    }

    .point {
      padding: 16px;
      border-radius: var(--radius-sm);
      background: rgba(23, 16, 24, .75);
      border: 1px solid rgba(58, 44, 64, .82);
    }

    .point strong {
      display: block;
      color: var(--amber);
      font-size: 22px;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .point span {
      color: var(--weak);
      font-size: 13px;
      line-height: 1.5;
    }

    .hero-board {
      position: relative;
      min-height: 520px;
      border-radius: 26px;
      border: 1px solid rgba(245, 184, 75, .24);
      background:
        linear-gradient(145deg, rgba(33, 23, 34, .96), rgba(16, 11, 18, .9)),
        repeating-linear-gradient(-12deg, rgba(255,255,255,.04) 0 1px, transparent 1px 16px);
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .08);
      padding: 24px;
      overflow: hidden;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: 20px -20px auto auto;
      width: 74%;
      height: 190px;
      transform: skewX(-12deg);
      background: linear-gradient(90deg, rgba(232, 61, 99, .3), rgba(245, 184, 75, .08));
      border: 1px solid rgba(232, 61, 99, .2);
    }

    .board-grid {
      position: relative;
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 14px;
      height: 100%;
    }

    .poster-tile,
    .status-panel {
      position: relative;
      border: 1px solid rgba(58, 44, 64, .95);
      border-radius: 18px;
      background: rgba(11, 8, 13, .62);
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .poster-tile:hover,
    .status-panel:hover {
      transform: translateY(-3px);
      border-color: rgba(232, 61, 99, .84);
      box-shadow: 0 18px 42px rgba(0, 0, 0, .26), var(--glow);
    }

    .poster-tile {
      min-height: 160px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      background:
        linear-gradient(180deg, transparent, rgba(11, 8, 13, .88)),
        linear-gradient(135deg, rgba(232, 61, 99, .34), rgba(245, 184, 75, .1) 42%, rgba(43, 33, 48, .86));
    }

    .poster-tile.large {
      grid-column: span 3;
      min-height: 286px;
    }

    .poster-tile.mid {
      grid-column: span 2;
    }

    .poster-tile.small {
      grid-column: span 2;
      min-height: 148px;
    }

    .poster-tile b {
      font-size: 18px;
      line-height: 1.3;
    }

    .poster-tile span {
      color: var(--muted);
      font-size: 13px;
      margin-top: 7px;
    }

    .status-panel {
      grid-column: span 3;
      padding: 18px;
      min-height: 148px;
    }

    .status-list {
      display: grid;
      gap: 10px;
      margin-top: 12px;
    }

    .status-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--muted);
      font-size: 14px;
      border-bottom: 1px dashed rgba(90, 64, 84, .75);
      padding-bottom: 9px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      min-height: 24px;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 12px;
      line-height: 1.2;
      font-weight: 900;
      color: #fff;
      background: rgba(232, 61, 99, .18);
      border: 1px solid rgba(232, 61, 99, .42);
      white-space: nowrap;
    }

    .badge.amber {
      color: #160d10;
      background: var(--amber);
      border-color: rgba(245, 184, 75, .72);
    }

    .badge.green {
      background: rgba(69, 201, 121, .14);
      border-color: rgba(69, 201, 121, .45);
      color: #b9ffd1;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .88fr) minmax(260px, .52fr);
      gap: 30px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      color: var(--amber);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 9px;
    }

    h2 {
      margin: 0;
      font-size: clamp(28px, 3.2vw, 40px);
      line-height: 1.2;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .timeline {
      background: linear-gradient(180deg, rgba(16, 11, 18, .82), rgba(11, 8, 13, .2));
    }

    .timeline-wrap {
      display: grid;
      grid-template-columns: 360px 1fr;
      gap: 32px;
      align-items: stretch;
    }

    .timeline-rail {
      position: relative;
      display: grid;
      gap: 16px;
    }

    .timeline-rail::before {
      content: "";
      position: absolute;
      left: 20px;
      top: 18px;
      bottom: 18px;
      width: 2px;
      background: linear-gradient(var(--primary), rgba(245, 184, 75, .45), rgba(58, 44, 64, .2));
    }

    .node {
      position: relative;
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 13px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(23, 16, 24, .7);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .node:hover {
      transform: translateX(4px);
      border-color: rgba(245, 184, 75, .55);
      background: rgba(33, 23, 34, .82);
    }

    .node-dot {
      position: relative;
      z-index: 1;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--primary);
      color: #fff;
      font-weight: 900;
      box-shadow: 0 0 0 6px rgba(232, 61, 99, .12);
    }

    .node h3,
    .feature-card h3,
    .ticket-card h3,
    .case-card h3,
    .compare-card h3,
    .news-panel h3,
    .faq-item h3 {
      margin: 0;
      line-height: 1.35;
      letter-spacing: 0;
    }

    .node p {
      margin: 8px 0 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .micro-link {
      color: var(--amber);
      font-size: 13px;
      font-weight: 900;
    }

    .micro-link::after {
      content: " →";
      transition: margin-left .2s ease;
    }

    .micro-link:hover::after {
      margin-left: 4px;
    }

    .timeline-detail {
      border: 1px solid rgba(245, 184, 75, .26);
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(232, 61, 99, .12), transparent 42%),
        rgba(33, 23, 34, .68);
      padding: 30px;
      box-shadow: var(--shadow);
    }

    .detail-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 24px;
      margin-top: 22px;
    }

    .detail-box {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(11, 8, 13, .58);
    }

    .detail-box ul {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
      color: var(--muted);
    }

    .detail-box li {
      position: relative;
      padding-left: 20px;
    }

    .detail-box li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    .features-wall {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: stretch;
    }

    .feature-card {
      position: relative;
      min-height: 280px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), transparent),
        var(--panel);
      overflow: hidden;
      padding: 22px;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(232, 61, 99, .82);
      box-shadow: var(--glow);
    }

    .feature-cover {
      height: 250px;
      border-radius: 18px;
      margin: -2px -2px 18px;
      background:
        linear-gradient(180deg, transparent 18%, rgba(11, 8, 13, .82)),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, .08) 0 1px, transparent 1px 12px),
        linear-gradient(135deg, rgba(232, 61, 99, .52), rgba(43, 33, 48, .88), rgba(245, 184, 75, .22));
      border: 1px solid rgba(90, 64, 84, .72);
      overflow: hidden;
      transition: transform .22s ease;
    }

    .feature-card:hover .feature-cover {
      transform: scale(1.03);
    }

    .feature-card.main {
      min-height: 620px;
    }

    .feature-stack {
      display: grid;
      gap: 24px;
    }

    .feature-card p,
    .ticket-card p,
    .case-card p,
    .compare-card p,
    .news-item p,
    .faq-item p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 10px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(43, 33, 48, .8);
      border: 1px solid rgba(90, 64, 84, .64);
      font-size: 12px;
      font-weight: 800;
    }

    .ticket-section {
      background: rgba(16, 11, 18, .68);
    }

    .ticket-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 20px;
      align-items: stretch;
    }

    .ticket-card {
      position: relative;
      padding: 22px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(33, 23, 34, .94), rgba(23, 16, 24, .94));
      box-shadow: 0 18px 42px rgba(0, 0, 0, .18);
      overflow: hidden;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .ticket-card::before,
    .ticket-card::after {
      content: "";
      position: absolute;
      right: 54px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--bg);
      border: 1px solid var(--line);
    }

    .ticket-card::before {
      top: -9px;
    }

    .ticket-card::after {
      bottom: -9px;
    }

    .ticket-card .divider {
      margin: 18px 0;
      border-top: 1px dashed rgba(155, 141, 148, .38);
    }

    .ticket-card.recommend {
      transform: translateY(-8px);
      border-color: rgba(245, 184, 75, .76);
      box-shadow: 0 20px 60px rgba(245, 184, 75, .12);
    }

    .ticket-card:hover {
      transform: translateY(-5px);
      border-color: rgba(232, 61, 99, .82);
      box-shadow: var(--glow);
    }

    .ticket-card.recommend:hover {
      transform: translateY(-10px);
    }

    .ticket-list {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .ticket-list li {
      padding-left: 20px;
      position: relative;
    }

    .ticket-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--amber);
      font-weight: 900;
    }

    .cases-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr .9fr;
      gap: 20px;
    }

    .case-card {
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 22px;
      background: rgba(23, 16, 24, .74);
      transition: transform .22s ease, border-color .22s ease;
    }

    .case-card:nth-child(2) {
      margin-top: 36px;
      background:
        linear-gradient(135deg, rgba(232, 61, 99, .13), transparent 55%),
        rgba(33, 23, 34, .86);
    }

    .case-card:hover {
      transform: translateY(-4px);
      border-color: rgba(245, 184, 75, .58);
    }

    .quote {
      color: var(--text);
      font-size: 17px;
      line-height: 1.65;
      margin: 14px 0 0;
    }

    .data-strip {
      padding: 56px 0;
      background:
        linear-gradient(90deg, rgba(232, 61, 99, .14), rgba(245, 184, 75, .08), rgba(232, 61, 99, .08));
      border-block: 1px solid rgba(58, 44, 64, .72);
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .metric {
      padding: 22px;
      border-radius: 18px;
      border: 1px solid rgba(90, 64, 84, .66);
      background: rgba(11, 8, 13, .52);
    }

    .metric strong {
      display: block;
      color: var(--amber);
      font-size: 34px;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric span {
      color: var(--muted);
      font-size: 14px;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .compare-card {
      border-radius: 24px;
      border: 1px solid var(--line);
      padding: 26px;
      background: rgba(23, 16, 24, .7);
    }

    .compare-card.after {
      border-color: rgba(245, 184, 75, .48);
      background:
        linear-gradient(145deg, rgba(232, 61, 99, .12), rgba(245, 184, 75, .07)),
        rgba(33, 23, 34, .82);
    }

    .compare-list {
      display: grid;
      gap: 13px;
      margin-top: 18px;
    }

    .compare-row {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 13px;
      border-radius: 14px;
      color: var(--muted);
      background: rgba(11, 8, 13, .44);
      border: 1px solid rgba(58, 44, 64, .72);
    }

    .compare-row i {
      flex: 0 0 auto;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-style: normal;
      font-weight: 900;
      color: #fff;
      background: var(--primary);
    }

    .after .compare-row i {
      color: #170d10;
      background: var(--amber);
    }

    .news-section {
      background: linear-gradient(180deg, rgba(255, 247, 242, .04), rgba(11, 8, 13, .1));
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 24px;
      align-items: start;
    }

    .news-panel {
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(23, 16, 24, .78);
      padding: 22px;
    }

    .news-list {
      display: grid;
      gap: 14px;
      margin-top: 16px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 116px 1fr;
      gap: 16px;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(58, 44, 64, .66);
      background: rgba(11, 8, 13, .42);
      transition: transform .2s ease, border-color .2s ease;
    }

    .news-item:hover {
      transform: translateX(3px);
      border-color: rgba(232, 61, 99, .7);
    }

    .thumb {
      aspect-ratio: 16 / 10;
      border-radius: 14px;
      border: 1px solid rgba(90, 64, 84, .72);
      background:
        linear-gradient(180deg, rgba(11, 8, 13, .05), rgba(11, 8, 13, .72)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.07) 0 1px, transparent 1px 10px),
        linear-gradient(135deg, rgba(232, 61, 99, .38), rgba(245, 184, 75, .12));
    }

    .news-item h3 a {
      transition: color .2s ease;
    }

    .news-item h3 a:hover {
      color: var(--amber);
    }

    .recommend-box {
      position: sticky;
      top: 146px;
      border: 1px solid rgba(245, 184, 75, .28);
      border-radius: 24px;
      padding: 22px;
      background:
        linear-gradient(135deg, rgba(245, 184, 75, .1), transparent 44%),
        rgba(33, 23, 34, .86);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 28px;
      align-items: start;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(23, 16, 24, .76);
      padding: 18px 20px;
      transition: border-color .2s ease, background .2s ease;
    }

    .faq-item:hover {
      border-color: rgba(245, 184, 75, .5);
      background: rgba(33, 23, 34, .82);
    }

    .faq-item h3 {
      min-height: 44px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 17px;
    }

    .faq-item h3::after {
      content: "⌄";
      color: var(--amber);
      font-size: 20px;
    }

    .lead-section {
      padding-bottom: 108px;
    }

    .lead-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 30px;
      align-items: stretch;
      border: 1px solid rgba(245, 184, 75, .28);
      border-radius: 30px;
      padding: 32px;
      background:
        radial-gradient(circle at 18% 20%, rgba(232, 61, 99, .2), transparent 38%),
        radial-gradient(circle at 88% 12%, rgba(245, 184, 75, .13), transparent 34%),
        linear-gradient(145deg, rgba(33, 23, 34, .95), rgba(11, 8, 13, .95));
      box-shadow: var(--shadow);
    }

    .lead-copy h2 {
      font-size: clamp(30px, 3.2vw, 44px);
    }

    .lead-copy p {
      color: var(--muted);
      margin: 16px 0 0;
      max-width: 560px;
    }

    .lead-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .lead-form {
      border: 1px solid rgba(90, 64, 84, .72);
      border-radius: 24px;
      padding: 22px;
      background: rgba(11, 8, 13, .56);
    }

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

    .field-full {
      grid-column: 1 / -1;
    }

    .privacy {
      margin: 14px 0 0;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.65;
    }

    .form-state {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .form-state .ok {
      color: #b9ffd1;
      border-color: rgba(69, 201, 121, .45);
      background: rgba(69, 201, 121, .12);
    }

    .form-state .warn {
      color: #ffd2da;
      border-color: rgba(255, 90, 112, .42);
      background: rgba(255, 90, 112, .1);
    }

    .site-footer {
      border-top: 1px solid rgba(58, 44, 64, .72);
      background:
        linear-gradient(180deg, #100b12, #070508);
      padding: 54px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      align-items: start;
    }

    .footer-title {
      font-weight: 900;
      font-size: 20px;
      margin-bottom: 12px;
    }

    .footer-text {
      color: var(--muted);
      margin: 0;
      max-width: 560px;
    }

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

    .footer-links a {
      color: var(--muted);
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover {
      color: var(--amber);
      transform: translateX(3px);
    }

    .footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(58, 44, 64, .64);
      color: var(--weak);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    @media (max-width: 1100px) {
      .hero-inner,
      .timeline-wrap,
      .features-wall,
      .lead-wrap,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hero {
        min-height: auto;
      }

      .hero-board {
        min-height: auto;
      }

      .ticket-grid,
      .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .recommend-box {
        position: static;
      }

      .topbar {
        grid-template-columns: 1fr auto;
      }

      .search {
        grid-column: 1 / -1;
        grid-row: 2;
        max-width: none;
        margin-bottom: 12px;
      }
    }

    @media (max-width: 760px) {
      .container,
      .hero-inner {
        width: min(100% - 28px, var(--container));
      }

      section {
        padding: 64px 0;
      }

      .topbar {
        min-height: 68px;
        gap: 12px;
      }

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

      .brand-text span {
        display: none;
      }

      .nav-cta {
        padding: 9px 13px;
        font-size: 13px;
      }

      .hero-inner {
        padding: 42px 0 88px;
        gap: 24px;
      }

      .hero-stage-nav {
        border-radius: 18px;
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
      }

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

      .hero-actions,
      .lead-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .hero-points,
      .detail-grid,
      .compare-wrap,
      .cases-grid,
      .footer-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

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

      .poster-tile.large,
      .poster-tile.mid,
      .poster-tile.small,
      .status-panel {
        grid-column: span 1;
      }

      .poster-tile.large {
        min-height: 220px;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .timeline-rail {
        overflow-x: auto;
        grid-auto-flow: column;
        grid-auto-columns: 82%;
        padding-bottom: 6px;
      }

      .timeline-rail::before {
        display: none;
      }

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

      .ticket-grid,
      .metric-grid {
        grid-template-columns: 1fr;
      }

      .ticket-card.recommend {
        transform: none;
      }

      .ticket-card.recommend:hover {
        transform: translateY(-5px);
      }

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

      .lead-wrap {
        padding: 22px;
        border-radius: 24px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 36px;
      }

      .hero-points {
        gap: 10px;
      }

      .point {
        padding: 14px;
      }

      .point strong {
        font-size: 20px;
      }

      .channel-tabs {
        min-height: 46px;
      }

      .tab-link {
        padding: 7px 13px;
      }

      .hero-board,
      .timeline-detail,
      .lead-form {
        padding: 18px;
        border-radius: 20px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #0B080D;
      --bg-soft: #100B12;
      --panel: #171018;
      --panel-2: #211722;
      --panel-3: #2B2130;
      --line: #3A2C40;
      --line-bright: #5A4054;
      --primary: #E83D63;
      --primary-deep: #D72F55;
      --amber: #F5B84B;
      --text: #F8F1F4;
      --muted: #D6C9CF;
      --weak: #9B8D94;
      --paper: #FFF7F2;
      --paper-text: #211722;
      --green: #3ED18B;
      --danger: #FF6B7E;
      --shadow: 0 22px 60px rgba(0, 0, 0, .42);
      --glow: 0 0 38px rgba(232, 61, 99, .18);
      --warm-glow: 0 0 34px rgba(245, 184, 75, .16);
      --radius-sm: 12px;
      --radius: 16px;
      --radius-lg: 22px;
      --container: 1220px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 5%, rgba(232, 61, 99, .20), transparent 30%),
        radial-gradient(circle at 82% 0%, rgba(245, 184, 75, .16), transparent 28%),
        linear-gradient(180deg, #0B080D 0%, #100B12 46%, #0B080D 100%);
      line-height: 1.75;
      letter-spacing: 0;
      min-width: 320px;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .08;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 68%);
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

    button, a, input, select, textarea {
      transition: border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease, opacity .2s ease;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(245, 184, 75, .72);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(11, 8, 13, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(58, 44, 64, .78);
      box-shadow: 0 14px 30px rgba(0, 0, 0, .24);
    }

    .topbar {
      min-height: 74px;
      display: grid;
      grid-template-columns: auto minmax(280px, 1fr) auto;
      align-items: center;
      gap: 22px;
    }

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

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), #932A53 58%, var(--amber));
      box-shadow: var(--glow);
      flex: 0 0 auto;
    }

    .brand-text {
      display: grid;
      gap: 1px;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 17px;
      white-space: nowrap;
    }

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

    .search {
      position: relative;
      max-width: 520px;
      justify-self: end;
      width: 100%;
    }

    .search-icon {
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--amber);
      font-size: 18px;
      pointer-events: none;
    }

    .search input {
      width: 100%;
      height: 44px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(33, 23, 34, .78);
      color: var(--text);
      padding: 0 18px 0 44px;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
    }

    .search input::placeholder {
      color: var(--weak);
    }

    .search input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(232, 61, 99, .14);
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary,
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      min-height: 44px;
      padding: 12px 22px;
      font-weight: 800;
      line-height: 1.2;
      white-space: nowrap;
      border: 1px solid transparent;
      cursor: pointer;
    }

    .nav-cta,
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 12px 26px rgba(232, 61, 99, .22);
    }

    .nav-cta:hover,
    .btn-primary:hover {
      background: var(--primary-deep);
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(232, 61, 99, .30), var(--warm-glow);
    }

    .btn-secondary {
      background: rgba(43, 33, 48, .84);
      border-color: var(--line-bright);
      color: var(--text);
    }

    .btn-secondary:hover {
      border-color: var(--amber);
      transform: translateY(-1px);
      box-shadow: var(--warm-glow);
    }

    .btn-ghost {
      background: transparent;
      border-color: rgba(248, 241, 244, .16);
      color: var(--muted);
    }

    .btn-ghost:hover {
      color: var(--text);
      border-color: var(--primary);
      background: rgba(232, 61, 99, .10);
    }

    .channel-row {
      border-top: 1px solid rgba(58, 44, 64, .58);
      background: rgba(16, 11, 18, .82);
    }

    .channel-tabs {
      min-height: 50px;
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
    }

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

    .tab-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 16px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid transparent;
      flex: 0 0 auto;
      font-size: 14px;
      font-weight: 700;
    }

    .tab-link:hover {
      color: var(--text);
      background: rgba(232, 61, 99, .10);
      border-color: rgba(232, 61, 99, .28);
    }

    .tab-link.active {
      color: #fff;
      background: rgba(232, 61, 99, .92);
      box-shadow: 0 0 0 1px rgba(245, 184, 75, .20), var(--glow);
    }

    .tab-link.active::after {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--amber);
      margin-left: 8px;
      box-shadow: 0 0 12px rgba(245, 184, 75, .85);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 52px 0;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      color: var(--weak);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .breadcrumb a:hover {
      color: var(--amber);
    }

    .category-hero {
      position: relative;
      padding: 44px 0 34px;
      border-bottom: 1px solid rgba(58, 44, 64, .58);
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(115deg, rgba(232,61,99,.18), transparent 38%),
        radial-gradient(circle at 76% 24%, rgba(245,184,75,.15), transparent 30%);
      pointer-events: none;
    }

    .category-head {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
      gap: 34px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--amber);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .eyebrow::before {
      content: "";
      width: 28px;
      height: 2px;
      background: var(--primary);
      box-shadow: var(--glow);
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.1;
      letter-spacing: 0;
      max-width: 820px;
    }

    .hero-summary {
      margin: 18px 0 0;
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 26px;
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .chip,
    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      line-height: 1;
      white-space: nowrap;
    }

    .chip {
      min-height: 34px;
      padding: 8px 13px;
      color: var(--muted);
      background: rgba(33, 23, 34, .76);
      border: 1px solid var(--line);
      font-size: 13px;
      font-weight: 700;
    }

    .chip:hover,
    .chip.active {
      color: #fff;
      border-color: var(--primary);
      background: rgba(232, 61, 99, .18);
    }

    .badge {
      padding: 7px 10px;
      font-size: 12px;
      font-weight: 900;
      color: #fff;
      background: rgba(232, 61, 99, .18);
      border: 1px solid rgba(232, 61, 99, .48);
    }

    .badge.amber {
      color: #23110D;
      background: var(--amber);
      border-color: var(--amber);
    }

    .badge.green {
      color: #062116;
      background: var(--green);
      border-color: var(--green);
    }

    .guide-cover {
      position: relative;
      overflow: hidden;
      min-height: 330px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(232,61,99,.26), transparent 42%),
        linear-gradient(160deg, #211722 0%, #120D15 55%, #2B2130 100%);
      border: 1px solid rgba(245, 184, 75, .30);
      box-shadow: var(--shadow), var(--warm-glow);
    }

    .guide-cover::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: 18px;
      clip-path: polygon(0 0, 82% 0, 100% 18%, 100% 100%, 0 100%);
      pointer-events: none;
    }

    .cover-kicker {
      color: var(--amber);
      font-size: 13px;
      font-weight: 900;
    }

    .cover-title {
      margin-top: 42px;
      font-size: 30px;
      line-height: 1.18;
      font-weight: 950;
      max-width: 280px;
    }

    .cover-list {
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .cover-list li {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .cover-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: var(--glow);
      flex: 0 0 auto;
    }

    .cover-bottom {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: var(--weak);
      font-size: 13px;
    }

    .content-shell {
      display: grid;
      grid-template-columns: 270px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .sidebar {
      position: sticky;
      top: 148px;
      padding: 20px;
      border-radius: var(--radius);
      background: rgba(23, 16, 24, .86);
      border: 1px solid var(--line);
      box-shadow: 0 16px 38px rgba(0,0,0,.22);
    }

    .sidebar-title {
      font-size: 16px;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .filter-group + .filter-group {
      margin-top: 20px;
      padding-top: 18px;
      border-top: 1px solid rgba(58, 44, 64, .72);
    }

    .filter-label {
      display: block;
      color: var(--amber);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .filter-list {
      display: grid;
      gap: 8px;
    }

    .filter-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--muted);
      background: rgba(43, 33, 48, .42);
      border: 1px solid transparent;
      font-size: 14px;
      cursor: pointer;
    }

    .filter-item:hover,
    .filter-item.active {
      color: #fff;
      border-color: rgba(232, 61, 99, .48);
      background: rgba(232, 61, 99, .12);
    }

    .count {
      color: var(--weak);
      font-size: 12px;
    }

    .toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 16px;
      margin-bottom: 22px;
      border-radius: var(--radius);
      background: rgba(33, 23, 34, .72);
      border: 1px solid var(--line);
    }

    .toolbar strong {
      display: block;
      line-height: 1.35;
    }

    .toolbar span {
      display: block;
      margin-top: 3px;
      color: var(--weak);
      font-size: 13px;
    }

    .sort-select {
      min-height: 42px;
      border-radius: 999px;
      border: 1px solid var(--line-bright);
      color: var(--text);
      background: #171018;
      padding: 0 15px;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
    }

    .topic-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: 0 14px 36px rgba(0,0,0,.24);
    }

    .topic-card:hover {
      transform: translateY(-4px);
      border-color: rgba(232, 61, 99, .74);
      box-shadow: 0 18px 46px rgba(0,0,0,.34), var(--glow);
    }

    .thumb {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(232,61,99,.58), transparent 48%),
        linear-gradient(160deg, #2B2130, #100B12 70%);
    }

    .thumb::before {
      content: "";
      position: absolute;
      inset: 16px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.15);
      background:
        linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 12px),
        linear-gradient(180deg, rgba(245,184,75,.20), transparent 54%);
      transform: skewX(-8deg);
      transition: transform .25s ease;
    }

    .topic-card:hover .thumb::before {
      transform: skewX(-8deg) scale(1.03);
    }

    .thumb .badge {
      position: absolute;
      left: 14px;
      top: 14px;
    }

    .topic-body {
      padding: 18px;
    }

    .topic-body h2 {
      margin: 0 0 9px;
      font-size: 18px;
      line-height: 1.35;
      letter-spacing: 0;
    }

    .topic-body p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

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

    .tag {
      padding: 7px 9px;
      font-size: 12px;
      color: var(--muted);
      background: rgba(43, 33, 48, .72);
      border: 1px solid rgba(58, 44, 64, .84);
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      color: var(--amber);
      font-size: 14px;
      font-weight: 900;
    }

    .card-link::after {
      content: "→";
      margin-left: 6px;
      transition: transform .2s ease;
    }

    .topic-card:hover .card-link::after {
      transform: translateX(4px);
    }

    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 30px;
    }

    .page-btn {
      min-width: 42px;
      height: 42px;
      border-radius: 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      background: rgba(33, 23, 34, .86);
      border: 1px solid var(--line);
      font-weight: 800;
    }

    .page-btn:hover,
    .page-btn.active {
      color: #fff;
      border-color: var(--primary);
      background: rgba(232, 61, 99, .20);
    }

    .insight-band {
      background: linear-gradient(180deg, rgba(255,247,242,.98), rgba(255,247,242,.94));
      color: var(--paper-text);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(260px, .45fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-head h2 {
      margin: 0;
      font-size: clamp(28px, 3.5vw, 40px);
      line-height: 1.18;
      letter-spacing: 0;
    }

    .section-head p {
      margin: 0;
      color: rgba(33, 23, 34, .72);
      font-size: 16px;
    }

    .steps {
      display: grid;
      grid-template-columns: 1.1fr .9fr 1fr;
      gap: 20px;
    }

    .step-card {
      position: relative;
      overflow: hidden;
      min-height: 190px;
      padding: 22px;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid rgba(58,44,64,.13);
      box-shadow: 0 14px 36px rgba(30,20,30,.10);
    }

    .step-card:nth-child(2) {
      transform: translateY(18px);
    }

    .step-no {
      color: var(--primary);
      font-size: 13px;
      font-weight: 950;
    }

    .step-card h3 {
      margin: 12px 0 8px;
      font-size: 22px;
      line-height: 1.28;
    }

    .step-card p {
      margin: 0;
      color: rgba(33,23,34,.72);
      font-size: 15px;
    }

    .step-card::after {
      content: "";
      position: absolute;
      right: -18px;
      bottom: -18px;
      width: 86px;
      height: 86px;
      border-radius: 22px;
      border: 12px solid rgba(232,61,99,.09);
      transform: rotate(18deg);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 30px;
      align-items: start;
    }

    .faq-title h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 3.2vw, 38px);
      line-height: 1.2;
    }

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

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

    details {
      border-radius: var(--radius);
      background: rgba(23, 16, 24, .82);
      border: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(0,0,0,.18);
      overflow: hidden;
    }

    summary {
      min-height: 56px;
      padding: 17px 20px;
      cursor: pointer;
      font-weight: 900;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "＋";
      color: var(--amber);
      font-weight: 900;
      flex: 0 0 auto;
    }

    details[open] {
      border-color: rgba(232,61,99,.55);
    }

    details[open] summary::after {
      content: "－";
    }

    details p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 15px;
    }

    .related-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .related-card {
      padding: 24px;
      border-radius: var(--radius);
      background: rgba(33, 23, 34, .82);
      border: 1px solid var(--line);
    }

    .related-card h3 {
      margin: 0 0 8px;
      font-size: 22px;
    }

    .related-card p {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      padding: 42px;
      background:
        linear-gradient(120deg, rgba(232,61,99,.28), transparent 45%),
        linear-gradient(160deg, #211722 0%, #100B12 58%, #2B2130 100%);
      border: 1px solid rgba(245,184,75,.28);
      box-shadow: var(--shadow), var(--warm-glow);
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(320px, .75fr);
      gap: 34px;
      align-items: center;
    }

    .cta-panel h2 {
      margin: 0;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.16;
    }

    .cta-panel p {
      margin: 14px 0 0;
      color: var(--muted);
      max-width: 640px;
    }

    .request-form {
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(11,8,13,.62);
      border: 1px solid rgba(90,64,84,.72);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .request-form input,
    .request-form select,
    .request-form textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 13px;
      background: rgba(23,16,24,.92);
      color: var(--text);
      padding: 12px 13px;
    }

    .request-form textarea {
      min-height: 92px;
      resize: vertical;
    }

    .request-form input::placeholder,
    .request-form textarea::placeholder {
      color: var(--weak);
    }

    .request-form input:focus,
    .request-form select:focus,
    .request-form textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(232,61,99,.14);
    }

    .form-note {
      color: var(--weak);
      font-size: 12px;
      line-height: 1.6;
    }

    .site-footer {
      padding: 56px 0 26px;
      background: #08060A;
      border-top: 1px solid rgba(58,44,64,.76);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr 1fr;
      gap: 34px;
      margin-bottom: 30px;
    }

    .footer-title {
      font-weight: 950;
      font-size: 17px;
      margin-bottom: 12px;
    }

    .footer-text {
      margin: 0;
      color: var(--weak);
      max-width: 440px;
      font-size: 14px;
    }

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

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

    .footer-links a:hover {
      color: var(--amber);
      transform: translateX(2px);
    }

    .footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid rgba(58,44,64,.72);
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .topbar {
        grid-template-columns: 1fr auto;
      }

      .search {
        grid-column: 1 / -1;
        order: 3;
        max-width: none;
        justify-self: stretch;
        margin-bottom: 14px;
      }

      .category-head,
      .content-shell,
      .cta-panel,
      .faq-grid,
      .section-head {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
      }

      .filter-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .step-card:nth-child(2) {
        transform: none;
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .section {
        padding: 58px 0;
      }

      .topbar {
        min-height: 66px;
        gap: 12px;
      }

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

      .brand-text strong {
        font-size: 15px;
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .brand-text span {
        display: none;
      }

      .nav-cta {
        padding: 10px 14px;
        min-height: 40px;
        font-size: 13px;
      }

      .category-hero {
        padding-top: 30px;
      }

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

      .hero-actions .btn-primary,
      .hero-actions .btn-secondary,
      .request-form .btn-primary {
        width: 100%;
      }

      .guide-cover {
        min-height: 300px;
      }

      .toolbar {
        align-items: stretch;
        flex-direction: column;
      }

      .sort-select {
        width: 100%;
      }

      .card-grid,
      .related-row,
      .footer-grid,
      .filter-list,
      .form-row {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 28px 20px;
        border-radius: 22px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 34px;
      }

      .tab-link {
        padding-inline: 13px;
      }

      .category-head {
        gap: 22px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .cover-title {
        font-size: 25px;
      }

      .cover-bottom {
        position: static;
        margin-top: 24px;
        flex-direction: column;
        align-items: flex-start;
      }

      .topic-body h2 {
        font-size: 17px;
      }

      .pagination {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .page-btn.hide-mobile {
        display: none;
      }
    }