/* roulang page: index */
:root {
      --bg: #faf8f3;
      --bg-soft: #f5f3ee;
      --panel: #ffffff;
      --panel-2: #fff7f2;
      --text: #20242c;
      --muted: #6f7480;
      --weak: #959aa6;
      --border: #e9e4db;
      --primary: #ff4d6d;
      --primary-dark: #e93658;
      --primary-soft: rgba(255, 77, 109, .12);
      --violet: #8b5cf6;
      --mint: #18d5b5;
      --blue: #38bdf8;
      --yellow: #facc15;
      --orange: #ff7a3d;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 28px;
      --shadow: 0 14px 36px rgba(31, 35, 43, .07);
      --shadow-hover: 0 18px 48px rgba(31, 35, 43, .12);
      --sidebar: 236px;
      --container: 1180px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.7;
      color: var(--text);
      background:
        radial-gradient(circle at 86% 8%, rgba(255, 77, 109, .13), transparent 28%),
        radial-gradient(circle at 20% 22%, rgba(24, 213, 181, .12), transparent 24%),
        linear-gradient(180deg, #fffdf8 0%, var(--bg) 42%, #f7f6fb 100%);
      overflow-x: hidden;
    }

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

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

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

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    input, textarea, select {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 16px;
      color: var(--text);
      background: rgba(255,255,255,.88);
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    input:focus, textarea:focus, select:focus,
    button:focus-visible, a:focus-visible {
      outline: 3px solid rgba(56, 189, 248, .36);
      outline-offset: 3px;
    }

    input:focus, textarea:focus, select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(255, 77, 109, .10);
      background: #fff;
    }

    .site-shell {
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar);
      background: rgba(255, 255, 255, .82);
      backdrop-filter: blur(22px);
      border-right: 1px solid var(--border);
      z-index: 50;
      display: flex;
      flex-direction: column;
      padding: 22px 16px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 52px;
      padding: 8px 6px;
      border-radius: 18px;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 15px;
      background:
        linear-gradient(135deg, var(--primary), var(--orange)),
        radial-gradient(circle at 75% 25%, #fff 0 10%, transparent 11%);
      position: relative;
      box-shadow: 0 14px 28px rgba(255, 77, 109, .25);
      flex: 0 0 auto;
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(255,255,255,.82);
    }

    .brand-mark::before {
      width: 18px;
      height: 5px;
      left: 10px;
      top: 13px;
      transform: rotate(-28deg);
    }

    .brand-mark::after {
      width: 8px;
      height: 8px;
      right: 9px;
      bottom: 10px;
      background: var(--yellow);
    }

    .brand-text {
      display: grid;
      gap: 2px;
    }

    .brand-title {
      font-size: 15px;
      font-weight: 850;
      letter-spacing: -.02em;
      line-height: 1.25;
    }

    .brand-sub {
      font-size: 12px;
      color: var(--muted);
      font-weight: 600;
    }

    .side-section-title {
      margin: 26px 8px 10px;
      font-size: 12px;
      color: var(--weak);
      font-weight: 800;
      letter-spacing: .08em;
    }

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

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 46px;
      padding: 12px 14px;
      border-radius: 16px;
      font-size: 14px;
      font-weight: 750;
      color: var(--muted);
      transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(255, 77, 109, .08);
      transform: translateX(2px);
    }

    .nav-link.active {
      color: var(--primary-dark);
      background: linear-gradient(135deg, rgba(255,77,109,.14), rgba(255,122,61,.08));
    }

    .nav-link.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 12px;
      bottom: 12px;
      width: 4px;
      border-radius: 999px;
      background: var(--primary);
    }

    .nav-ico {
      width: 24px;
      height: 24px;
      border-radius: 9px;
      display: inline-grid;
      place-items: center;
      background: rgba(32, 36, 44, .06);
      color: inherit;
      font-size: 13px;
      flex: 0 0 auto;
    }

    .side-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding: 0 6px;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 6px 10px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--muted);
      font-size: 12px;
      font-weight: 750;
      box-shadow: 0 6px 18px rgba(31,35,43,.04);
    }

    .side-card {
      margin-top: auto;
      padding: 16px;
      border-radius: 22px;
      background:
        linear-gradient(145deg, rgba(255,77,109,.10), rgba(24,213,181,.09)),
        #fff;
      border: 1px solid rgba(255,77,109,.16);
      box-shadow: var(--shadow);
    }

    .side-card strong {
      display: block;
      margin-bottom: 6px;
      font-size: 14px;
      line-height: 1.35;
    }

    .side-card p {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }

    .mobile-bar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      height: 64px;
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      background: rgba(255,255,255,.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }

    .menu-btn {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--text);
      display: grid;
      place-items: center;
      box-shadow: 0 8px 20px rgba(31,35,43,.06);
      transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }

    .menu-btn:hover {
      transform: translateY(-1px);
      border-color: rgba(255,77,109,.32);
      background: var(--primary-soft);
    }

    .menu-lines {
      width: 18px;
      display: grid;
      gap: 4px;
    }

    .menu-lines span {
      height: 2px;
      border-radius: 999px;
      background: currentColor;
    }

    .mobile-action {
      padding: 9px 13px;
      border-radius: 999px;
      background: var(--primary);
      color: #fff;
      font-size: 13px;
      font-weight: 800;
      box-shadow: 0 10px 22px rgba(255,77,109,.22);
    }

    .drawer-mask {
      position: fixed;
      inset: 0;
      background: rgba(20, 24, 32, .32);
      opacity: 0;
      pointer-events: none;
      transition: opacity .24s var(--ease);
      z-index: 70;
    }

    .drawer-mask.show {
      opacity: 1;
      pointer-events: auto;
    }

    .main-area {
      margin-left: var(--sidebar);
      min-height: 100vh;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin-inline: auto;
    }

    .top-strip {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(250,248,243,.72);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(233,228,219,.72);
    }

    .top-strip-inner {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .search-visual {
      flex: 1;
      max-width: 520px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid var(--border);
      color: var(--muted);
      font-size: 14px;
      box-shadow: 0 8px 24px rgba(31,35,43,.04);
    }

    .strip-badges {
      display: flex;
      gap: 10px;
      align-items: center;
      white-space: nowrap;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.8);
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
    }

    .badge.hot {
      border-color: rgba(255,77,109,.26);
      color: var(--primary-dark);
      background: rgba(255,77,109,.09);
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 76px 0;
      position: relative;
    }

    .hero {
      padding: 58px 0 80px;
    }

    .hero-stage {
      position: relative;
      border-radius: 34px;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,247,242,.90)),
        radial-gradient(circle at 86% 20%, rgba(255,77,109,.18), transparent 32%);
      border: 1px solid rgba(233,228,219,.88);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(32,36,44,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(32,36,44,.045) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: radial-gradient(circle at 70% 38%, #000 0, transparent 58%);
      pointer-events: none;
    }

    .hero-top {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
      gap: 28px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      margin-bottom: 18px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,77,109,.10);
      color: var(--primary-dark);
      border: 1px solid rgba(255,77,109,.18);
      font-size: 13px;
      font-weight: 850;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--mint);
      box-shadow: 0 0 0 6px rgba(24,213,181,.15);
    }

    h1 {
      max-width: 780px;
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: -.05em;
      font-weight: 900;
      color: var(--text);
    }

    .hero-desc {
      max-width: 720px;
      margin-top: 20px;
      font-size: 17px;
      color: var(--muted);
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 850;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
      user-select: none;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--orange));
      box-shadow: 0 14px 30px rgba(255, 77, 109, .28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(255, 77, 109, .34);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.86);
      border: 1px solid var(--border);
      box-shadow: 0 10px 24px rgba(31,35,43,.05);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(255,77,109,.32);
      background: #fff5f7;
    }

    .btn-ghost {
      color: var(--primary-dark);
      background: rgba(255,77,109,.10);
      border: 1px solid rgba(255,77,109,.14);
    }

    .btn-ghost:hover {
      color: #fff;
      background: var(--primary);
      transform: translateY(-2px);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
      max-width: 720px;
    }

    .point {
      padding: 13px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid var(--border);
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
    }

    .point b {
      display: block;
      margin-bottom: 2px;
      color: var(--text);
      font-size: 16px;
      font-weight: 900;
    }

    .demo-panel {
      position: relative;
      display: grid;
      gap: 14px;
      padding: 18px;
      border-radius: 28px;
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(233,228,219,.88);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 18px 42px rgba(31,35,43,.08);
    }

    .demo-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .demo-title {
      font-size: 16px;
      font-weight: 900;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(24,213,181,.12);
      color: #0f9f87;
      font-size: 12px;
      font-weight: 850;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .entry-card {
      min-height: 124px;
      padding: 16px;
      border-radius: 22px;
      background: linear-gradient(145deg, #fff, #fff9f5);
      border: 1px solid var(--border);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }

    .entry-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(255,77,109,.28);
    }

    .entry-card .icon {
      width: 36px;
      height: 36px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      margin-bottom: 12px;
      color: #fff;
      font-weight: 900;
    }

    .entry-card h3 {
      font-size: 15px;
      line-height: 1.35;
      margin-bottom: 6px;
    }

    .entry-card p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .icon.pink { background: var(--primary); }
    .icon.violet { background: var(--violet); }
    .icon.mint { background: var(--mint); }
    .icon.blue { background: var(--blue); }

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

    .section-kicker {
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .08em;
      margin-bottom: 8px;
    }

    h2 {
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 900;
    }

    .section-desc {
      max-width: 620px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .countdown-wrap {
      padding-top: 0;
    }

    .countdown-card {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: center;
      padding: 26px;
      border-radius: 30px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .countdown-copy p {
      margin-top: 10px;
      color: var(--muted);
      max-width: 540px;
    }

    .time-boxes {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
    }

    .time-box {
      min-height: 116px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      text-align: center;
      background:
        radial-gradient(circle at 80% 20%, rgba(255,255,255,.38), transparent 34%),
        linear-gradient(135deg, rgba(255,77,109,.92), rgba(139,92,246,.90));
      color: #fff;
      box-shadow: 0 14px 30px rgba(139,92,246,.18);
    }

    .time-box strong {
      display: block;
      font-size: clamp(26px, 4vw, 42px);
      line-height: 1;
      font-weight: 950;
    }

    .time-box span {
      display: block;
      margin-top: 8px;
      font-size: 13px;
      font-weight: 850;
      opacity: .9;
    }

    .highlight-wall {
      background:
        linear-gradient(180deg, transparent 0%, rgba(255,255,255,.42) 50%, transparent 100%);
    }

    .wall-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 16px;
    }

    .feature-large,
    .feature-small,
    .topic-card,
    .news-panel,
    .compare-card,
    .faq-item,
    .form-card,
    .info-card {
      background: rgba(255,255,255,.86);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .feature-large:hover,
    .feature-small:hover,
    .topic-card:hover,
    .news-panel:hover,
    .compare-card:hover,
    .info-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(255,77,109,.24);
    }

    .feature-large {
      min-height: 360px;
      border-radius: 30px;
      padding: 28px;
      display: grid;
      align-content: space-between;
      background:
        radial-gradient(circle at 82% 22%, rgba(250,204,21,.28), transparent 22%),
        radial-gradient(circle at 20% 80%, rgba(24,213,181,.18), transparent 24%),
        #fff;
    }

    .feature-large h3 {
      font-size: 28px;
      line-height: 1.2;
      letter-spacing: -.03em;
      margin-bottom: 12px;
    }

    .feature-large p,
    .feature-small p,
    .compare-card p,
    .topic-card p,
    .info-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .flow-stack {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .flow-row {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(233,228,219,.78);
    }

    .flow-num {
      width: 34px;
      height: 34px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      background: var(--primary);
      font-weight: 900;
      font-size: 13px;
    }

    .flow-row strong {
      font-size: 14px;
      display: block;
      line-height: 1.3;
    }

    .flow-row span {
      color: var(--muted);
      font-size: 12px;
    }

    .small-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 16px;
    }

    .feature-small {
      min-height: 172px;
      border-radius: 26px;
      padding: 20px;
    }

    .mini-icon {
      width: 38px;
      height: 38px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--orange));
    }

    .feature-small h3 {
      margin-bottom: 8px;
      font-size: 18px;
      line-height: 1.3;
    }

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

    .compare-card {
      position: relative;
      border-radius: 28px;
      padding: 22px;
      overflow: hidden;
    }

    .compare-card.recommended {
      background:
        linear-gradient(145deg, rgba(255,77,109,.11), rgba(255,255,255,.9)),
        #fff;
      border-color: rgba(255,77,109,.26);
      transform: translateY(-8px);
    }

    .compare-card.recommended:hover {
      transform: translateY(-11px);
    }

    .card-label {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(32,36,44,.06);
      color: var(--muted);
      font-size: 12px;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .recommended .card-label {
      color: var(--primary-dark);
      background: rgba(255,77,109,.13);
    }

    .compare-card h3 {
      font-size: 22px;
      line-height: 1.25;
      margin-bottom: 10px;
    }

    .compare-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 20px;
      list-style: none;
    }

    .compare-list li {
      display: flex;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .check {
      width: 20px;
      height: 20px;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      background: rgba(24,213,181,.14);
      color: #0f9f87;
      font-size: 12px;
      font-weight: 950;
      flex: 0 0 auto;
      margin-top: 1px;
    }

    .topics-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 16px;
    }

    .topic-card {
      border-radius: 28px;
      padding: 24px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .topic-tag {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 14px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
      transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
    }

    .topic-tag:hover,
    .topic-tag.active {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .vertical-cards {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }

    .vertical-card {
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border-radius: 28px;
      padding: 20px;
      border: 1px solid var(--border);
      background:
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,247,242,.78));
      box-shadow: 0 12px 30px rgba(31,35,43,.05);
    }

    .vertical-card:nth-child(2) {
      background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(235,252,248,.78));
    }

    .vertical-card:nth-child(3) {
      background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(246,242,255,.80));
    }

    .vertical-card h3 {
      font-size: 19px;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .vertical-card p {
      color: var(--muted);
      font-size: 14px;
    }

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

    .reward-card {
      position: relative;
      min-height: 190px;
      padding: 20px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .reward-card::after {
      content: "";
      position: absolute;
      width: 84px;
      height: 84px;
      right: -22px;
      top: -18px;
      border-radius: 30px;
      background: rgba(255,77,109,.12);
      transform: rotate(16deg);
    }

    .reward-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
      line-height: 1.3;
    }

    .reward-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .progress-line {
      height: 9px;
      border-radius: 999px;
      background: rgba(32,36,44,.07);
      overflow: hidden;
      margin-top: 18px;
    }

    .progress-line span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--orange), var(--yellow));
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
      gap: 16px;
    }

    .news-panel {
      border-radius: 30px;
      padding: 22px;
    }

    .news-list {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .news-link {
      display: grid;
      grid-template-columns: auto minmax(0,1fr) auto;
      gap: 12px;
      align-items: center;
      padding: 15px;
      border-radius: 18px;
      border: 1px solid transparent;
      background: rgba(250,248,243,.72);
      transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
    }

    .news-link:hover {
      background: #fff;
      border-color: rgba(255,77,109,.24);
      transform: translateX(3px);
    }

    .news-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 0 5px rgba(255,77,109,.10);
    }

    .news-link strong {
      font-size: 15px;
      line-height: 1.35;
    }

    .news-link span {
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .recommend-box {
      display: grid;
      gap: 12px;
    }

    .info-card {
      border-radius: 26px;
      padding: 20px;
    }

    .cta-section {
      padding: 84px 0;
    }

    .cta-wrap {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 18px;
      align-items: stretch;
      border-radius: 34px;
      padding: 28px;
      background:
        radial-gradient(circle at 14% 20%, rgba(250,204,21,.22), transparent 26%),
        linear-gradient(135deg, rgba(255,77,109,.12), rgba(24,213,181,.10)),
        #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .cta-copy {
      display: grid;
      align-content: center;
      gap: 16px;
      padding: 10px;
    }

    .cta-copy p {
      color: var(--muted);
      max-width: 520px;
    }

    .form-card {
      border-radius: 28px;
      padding: 22px;
      background: rgba(255,255,255,.88);
    }

    .feedback-form {
      display: grid;
      gap: 14px;
    }

    .form-row {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }

    .field label {
      display: block;
      margin-bottom: 7px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 850;
    }

    .field input,
    .field select,
    .field textarea {
      min-height: 46px;
      padding: 12px 14px;
    }

    .field textarea {
      min-height: 110px;
      resize: vertical;
    }

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

    .form-message {
      display: none;
      padding: 12px 14px;
      border-radius: 16px;
      color: #0f7f6d;
      background: rgba(24,213,181,.12);
      border: 1px solid rgba(24,213,181,.22);
      font-size: 13px;
      font-weight: 800;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 22px;
      align-items: start;
    }

    .faq-aside {
      position: sticky;
      top: 94px;
      padding: 24px;
      border-radius: 30px;
      background: linear-gradient(145deg, rgba(255,77,109,.10), rgba(255,255,255,.86));
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .faq-aside p {
      margin-top: 10px;
      color: var(--muted);
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 22px;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 62px;
      padding: 18px 20px;
      text-align: left;
      color: var(--text);
      font-weight: 900;
      background: rgba(255,255,255,.88);
    }

    .faq-question:hover {
      background: #fff6f8;
    }

    .faq-sign {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 999px;
      color: var(--primary-dark);
      background: rgba(255,77,109,.10);
      transition: transform .2s var(--ease), background .2s var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px 20px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      border-left: 4px solid var(--primary);
      margin-left: 20px;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-sign {
      transform: rotate(45deg);
      color: #fff;
      background: var(--primary);
    }

    .site-footer {
      margin-left: var(--sidebar);
      padding: 34px 0 40px;
      border-top: 1px solid var(--border);
      background: rgba(255,255,255,.54);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: end;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .footer-brand strong {
      font-size: 16px;
      font-weight: 900;
    }

    .footer-copy {
      color: var(--muted);
      font-size: 13px;
      max-width: 680px;
    }

    .footer-links {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
      transition: color .2s var(--ease);
    }

    .footer-links a:hover {
      color: var(--primary-dark);
    }

    .copyright {
      margin-top: 12px;
      color: var(--weak);
      font-size: 12px;
    }

    @media (max-width: 1180px) {
      .hero-top,
      .countdown-card,
      .wall-grid,
      .topics-grid,
      .cta-wrap,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .faq-aside {
        position: static;
      }

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

      .compare-card.recommended {
        transform: none;
      }

      .compare-card.recommended:hover {
        transform: translateY(-3px);
      }

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

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

    @media (max-width: 1023px) {
      .mobile-bar {
        display: flex;
      }

      .sidebar {
        transform: translateX(-105%);
        transition: transform .25s var(--ease);
        z-index: 80;
        box-shadow: 18px 0 50px rgba(31,35,43,.14);
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .main-area,
      .site-footer {
        margin-left: 0;
      }

      .top-strip {
        display: none;
      }

      section {
        padding: 58px 0;
      }

      .hero {
        padding-top: 28px;
      }

      .container {
        width: min(100% - 32px, var(--container));
      }

      .section-head {
        display: grid;
        align-items: start;
      }

      .small-grid,
      .entry-grid,
      .vertical-cards {
        grid-template-columns: repeat(2, minmax(0,1fr));
      }
    }

    @media (max-width: 767px) {
      .brand-title {
        font-size: 14px;
      }

      .hero-stage {
        padding: 22px;
        border-radius: 28px;
      }

      .hero-desc {
        font-size: 15px;
      }

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

      .hero-points,
      .time-boxes,
      .small-grid,
      .entry-grid,
      .vertical-cards,
      .reward-row,
      .form-row {
        grid-template-columns: 1fr;
      }

      .countdown-card,
      .cta-wrap {
        padding: 20px;
        border-radius: 28px;
      }

      .feature-large {
        min-height: auto;
      }

      .news-link {
        grid-template-columns: auto minmax(0,1fr);
      }

      .news-link span {
        grid-column: 2;
      }

      .footer-inner {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      .mobile-action {
        display: none;
      }

      .sidebar {
        width: min(88vw, 320px);
      }

      .hero-stage {
        padding: 18px;
      }

      .feature-large,
      .feature-small,
      .topic-card,
      .news-panel,
      .info-card,
      .form-card,
      .compare-card,
      .reward-card {
        border-radius: 22px;
      }

      .time-box {
        min-height: 92px;
      }

      .faq-question {
        padding: 16px;
        font-size: 15px;
      }

      .faq-answer {
        margin-left: 16px;
        padding-right: 16px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #faf9f5;
      --bg-soft: #f4f2ec;
      --surface: #ffffff;
      --surface-2: #fff7f3;
      --text: #20242a;
      --muted: #6b7280;
      --muted-2: #8a919d;
      --border: #e9e5dc;
      --primary: #ff4d6d;
      --primary-dark: #e33a59;
      --secondary: #18d5b5;
      --blue: #38bdf8;
      --yellow: #facc15;
      --berry: #8b5cf6;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 28px;
      --shadow: 0 14px 34px rgba(32, 36, 42, .07);
      --shadow-hover: 0 20px 46px rgba(255, 77, 109, .16);
      --sidebar: 236px;
      --container: 1180px;
      --ease: cubic-bezier(.22, 1, .36, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      background:
        radial-gradient(circle at 88% 8%, rgba(255, 77, 109, .15), transparent 30%),
        radial-gradient(circle at 18% 90%, rgba(24, 213, 181, .12), transparent 28%),
        var(--bg);
      color: var(--text);
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
      line-height: 1.7;
    }

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

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

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

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    input, textarea {
      width: 100%;
      border: 1px solid var(--border);
      outline: none;
      border-radius: 16px;
      background: #fff;
      color: var(--text);
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    input:focus, textarea:focus, select:focus {
      border-color: rgba(255, 77, 109, .75);
      box-shadow: 0 0 0 4px rgba(255, 77, 109, .13);
    }

    a:focus-visible, button:focus-visible {
      outline: 3px solid rgba(255, 77, 109, .35);
      outline-offset: 3px;
      border-radius: 14px;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .app-shell {
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      z-index: 80;
      width: var(--sidebar);
      background: rgba(255, 255, 255, .88);
      border-right: 1px solid var(--border);
      backdrop-filter: blur(18px);
      display: flex;
      flex-direction: column;
      padding: 22px 16px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 48px;
      padding: 8px 10px 18px;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, var(--primary), var(--berry)),
        radial-gradient(circle at 70% 22%, #fff 0 9%, transparent 10%);
      box-shadow: 0 12px 24px rgba(255, 77, 109, .24);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: #fff;
      opacity: .95;
    }

    .brand-mark::before {
      width: 9px;
      height: 9px;
      top: 9px;
      right: 9px;
    }

    .brand-mark::after {
      width: 16px;
      height: 4px;
      left: 10px;
      bottom: 11px;
      transform: rotate(-18deg);
    }

    .brand-text {
      font-weight: 850;
      letter-spacing: -.02em;
      line-height: 1.25;
      font-size: 15px;
    }

    .nav-section-title {
      margin: 18px 10px 8px;
      color: var(--muted-2);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
    }

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

    .nav-link {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 46px;
      padding: 10px 12px;
      border-radius: 16px;
      color: #424852;
      font-weight: 700;
      transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
      position: relative;
    }

    .nav-link:hover {
      background: #fff2f4;
      color: var(--primary-dark);
      transform: translateX(2px);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #ff7a45);
      box-shadow: 0 12px 22px rgba(255, 77, 109, .22);
    }

    .nav-ico {
      width: 26px;
      height: 26px;
      border-radius: 10px;
      display: inline-grid;
      place-items: center;
      background: rgba(32, 36, 42, .06);
      font-size: 12px;
      font-weight: 800;
      flex: 0 0 auto;
    }

    .nav-link.active .nav-ico {
      background: rgba(255, 255, 255, .22);
      color: #fff;
    }

    .side-card {
      margin-top: auto;
      padding: 16px;
      border-radius: 22px;
      background: linear-gradient(145deg, #fff7f3, #ffffff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .side-card strong {
      display: block;
      font-size: 14px;
      margin-bottom: 8px;
    }

    .side-card p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .main {
      margin-left: var(--sidebar);
      min-height: 100vh;
    }

    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 90;
      height: 66px;
      padding: 0 16px;
      background: rgba(255, 255, 255, .9);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(18px);
      align-items: center;
      justify-content: space-between;
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 850;
      font-size: 14px;
    }

    .menu-btn {
      width: 44px;
      height: 44px;
      border-radius: 15px;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--text);
      display: grid;
      place-items: center;
      transition: background .2s var(--ease), transform .2s var(--ease);
    }

    .menu-btn:hover {
      background: #fff2f4;
      transform: translateY(-1px);
    }

    .drawer-mask {
      position: fixed;
      inset: 0;
      z-index: 70;
      background: rgba(0, 0, 0, .3);
      opacity: 0;
      pointer-events: none;
      transition: opacity .25s var(--ease);
    }

    .drawer-mask.show {
      opacity: 1;
      pointer-events: auto;
    }

    .page-head {
      padding: 34px 0 22px;
    }

    .top-tools {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 24px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
    }

    .breadcrumb a {
      color: #4b5563;
    }

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

    .update-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 13px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--border);
      color: #555d68;
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 8px 20px rgba(32, 36, 42, .04);
      white-space: nowrap;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--secondary);
      box-shadow: 0 0 0 5px rgba(24, 213, 181, .13);
    }

    .workbench-hero {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,247,243,.92)),
        radial-gradient(circle at 90% 20%, rgba(255, 77, 109, .16), transparent 30%);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      padding: 36px;
    }

    .workbench-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(32,36,42,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(32,36,42,.04) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 28px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 77, 109, .1);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    h1 {
      font-size: clamp(32px, 4.4vw, 52px);
      line-height: 1.12;
      letter-spacing: -.04em;
      font-weight: 900;
      max-width: 720px;
      margin-bottom: 18px;
    }

    .hero-desc {
      max-width: 660px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
      margin-bottom: 22px;
    }

    .search-panel {
      display: grid;
      gap: 12px;
      max-width: 680px;
      padding: 12px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 22px;
      box-shadow: 0 10px 28px rgba(32,36,42,.05);
    }

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

    .search-row input {
      height: 50px;
      padding: 0 16px;
      background: #fafafa;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      font-size: 14px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #ff7a45);
      box-shadow: 0 12px 24px rgba(255, 77, 109, .23);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .btn-ghost {
      background: #fff;
      color: #363c45;
      border-color: var(--border);
    }

    .btn-ghost:hover {
      background: #fff3f5;
      border-color: rgba(255, 77, 109, .35);
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

    .coupon-wall {
      display: grid;
      gap: 14px;
      align-content: start;
    }

    .coupon-main {
      padding: 22px;
      border-radius: 28px;
      background:
        radial-gradient(circle at 100% 0, rgba(250, 204, 21, .28), transparent 34%),
        linear-gradient(135deg, #ff4d6d, #8b5cf6);
      color: #fff;
      box-shadow: 0 20px 42px rgba(139, 92, 246, .25);
      position: relative;
      overflow: hidden;
    }

    .coupon-main::after {
      content: "";
      position: absolute;
      width: 150px;
      height: 150px;
      border-radius: 999px;
      right: -52px;
      bottom: -70px;
      background: rgba(255,255,255,.16);
    }

    .coupon-label {
      display: inline-flex;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(255,255,255,.18);
      font-size: 12px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .coupon-main h2 {
      font-size: 25px;
      line-height: 1.25;
      margin-bottom: 10px;
    }

    .coupon-main p {
      color: rgba(255,255,255,.86);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .coupon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 15px;
      border-radius: 999px;
      background: #fff;
      color: var(--primary-dark);
      font-weight: 850;
      box-shadow: 0 10px 22px rgba(0,0,0,.12);
    }

    .coupon-mini-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .mini-coupon {
      padding: 16px;
      min-height: 126px;
      border-radius: 24px;
      background: rgba(255,255,255,.9);
      border: 1px solid var(--border);
      box-shadow: 0 12px 26px rgba(32,36,42,.05);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }

    .mini-coupon:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(255, 77, 109, .28);
    }

    .mini-coupon strong {
      display: block;
      font-size: 15px;
      margin: 8px 0 4px;
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 6px 10px;
      border-radius: 999px;
      background: #f6f7fb;
      border: 1px solid var(--border);
      color: #4b5563;
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .tag.hot {
      color: #fff;
      border-color: transparent;
      background: linear-gradient(135deg, var(--primary), #ff7a45);
    }

    .tag.green {
      background: rgba(24, 213, 181, .12);
      border-color: rgba(24, 213, 181, .22);
      color: #087f6e;
    }

    .tag.blue {
      background: rgba(56, 189, 248, .12);
      border-color: rgba(56, 189, 248, .22);
      color: #0879a5;
    }

    .section {
      padding: 56px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(280px, .55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 24px;
    }

    .section-kicker {
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .08em;
      margin-bottom: 8px;
    }

    .section h2 {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.2;
      letter-spacing: -.03em;
      font-weight: 900;
    }

    .section-note {
      color: var(--muted);
      font-size: 15px;
    }

    .filter-wrap {
      overflow-x: auto;
      padding-bottom: 8px;
      margin-bottom: 22px;
      scrollbar-width: thin;
    }

    .filters {
      display: flex;
      gap: 10px;
      min-width: max-content;
    }

    .filter-btn {
      min-height: 42px;
      padding: 9px 15px;
      border-radius: 999px;
      background: #fff;
      color: #515965;
      border: 1px solid var(--border);
      font-weight: 800;
      transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
    }

    .filter-btn:hover {
      transform: translateY(-1px);
      background: #fff3f5;
      border-color: rgba(255, 77, 109, .28);
    }

    .filter-btn.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #ff7a45);
      border-color: transparent;
      box-shadow: 0 10px 20px rgba(255, 77, 109, .18);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 22px;
      align-items: start;
    }

    .index-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .index-card {
      min-height: 260px;
      display: flex;
      flex-direction: column;
      padding: 20px;
      border-radius: 28px;
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: 0 12px 28px rgba(32,36,42,.045);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
      position: relative;
      overflow: hidden;
    }

    .index-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 5px;
      background: linear-gradient(90deg, var(--primary), var(--secondary), var(--yellow));
      opacity: .85;
    }

    .index-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 77, 109, .26);
      box-shadow: var(--shadow-hover);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 8px 0 18px;
    }

    .index-card h3 {
      font-size: 21px;
      line-height: 1.35;
      margin-bottom: 10px;
      letter-spacing: -.02em;
    }

    .index-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
      margin-bottom: 16px;
    }

    .meta-list {
      display: grid;
      gap: 8px;
      margin-top: auto;
      margin-bottom: 16px;
    }

    .meta-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 9px 10px;
      border-radius: 14px;
      background: #faf9f5;
      color: var(--muted);
      font-size: 13px;
    }

    .meta-item strong {
      color: #353b44;
      font-weight: 800;
    }

    .card-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .side-stack {
      display: grid;
      gap: 16px;
      position: sticky;
      top: 24px;
    }

    .info-card {
      padding: 20px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 12px 26px rgba(32,36,42,.05);
    }

    .info-card.tint {
      background:
        radial-gradient(circle at 100% 0, rgba(255, 77, 109, .12), transparent 34%),
        #fff;
    }

    .info-card h3 {
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 10px;
    }

    .info-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 14px;
    }

    .quick-list {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .quick-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 11px;
      border-radius: 16px;
      background: #faf9f5;
      color: #4b5563;
      font-size: 14px;
    }

    .quick-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 0 4px rgba(255, 77, 109, .12);
      flex: 0 0 auto;
    }

    .metrics-panel {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 18px;
      align-items: stretch;
    }

    .metric-big {
      padding: 24px;
      border-radius: 30px;
      background: #20242a;
      color: #fff;
      box-shadow: 0 18px 38px rgba(32,36,42,.18);
    }

    .metric-big .num {
      font-size: 46px;
      line-height: 1;
      font-weight: 950;
      margin-bottom: 8px;
      letter-spacing: -.04em;
    }

    .metric-big p {
      color: rgba(255,255,255,.75);
      font-size: 14px;
    }

    .metric-bars {
      display: grid;
      gap: 12px;
      padding: 20px;
      border-radius: 30px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .bar-item {
      display: grid;
      gap: 6px;
    }

    .bar-top {
      display: flex;
      justify-content: space-between;
      color: #4b5563;
      font-size: 13px;
      font-weight: 800;
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: #f0eee8;
      overflow: hidden;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }

    .flow-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr 1fr;
      gap: 18px;
    }

    .flow-card {
      padding: 22px;
      min-height: 230px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 12px 28px rgba(32,36,42,.045);
      position: relative;
      overflow: hidden;
    }

    .flow-card:nth-child(2) {
      background: linear-gradient(145deg, #fff, #f1fffb);
    }

    .flow-card:nth-child(3) {
      background: linear-gradient(145deg, #fff, #fff8db);
    }

    .step-no {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--berry));
      font-weight: 900;
      margin-bottom: 16px;
    }

    .flow-card h3 {
      font-size: 20px;
      margin-bottom: 8px;
    }

    .flow-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: 0 10px 24px rgba(32,36,42,.04);
    }

    .faq-q {
      width: 100%;
      min-height: 58px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 16px 18px;
      color: var(--text);
      font-weight: 850;
      text-align: left;
    }

    .faq-q span:last-child {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      background: #fff2f4;
      color: var(--primary);
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      transition: transform .2s var(--ease);
    }

    .faq-a {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 14px;
      border-left: 4px solid var(--primary);
      margin-left: 18px;
    }

    .faq-item.open .faq-a {
      display: block;
    }

    .faq-item.open .faq-q span:last-child {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }

    .feedback-panel {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: stretch;
      padding: 28px;
      border-radius: 34px;
      background:
        radial-gradient(circle at 14% 18%, rgba(24, 213, 181, .16), transparent 26%),
        linear-gradient(135deg, #fff, #fff6f2);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .feedback-note h2 {
      margin-bottom: 12px;
    }

    .feedback-note p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .notice-box {
      display: grid;
      gap: 10px;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255,255,255,.78);
      border: 1px solid var(--border);
    }

    .notice-line {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #4b5563;
      font-size: 14px;
      font-weight: 700;
    }

    .notice-line i {
      width: 22px;
      height: 22px;
      border-radius: 9px;
      background: rgba(255, 77, 109, .12);
      flex: 0 0 auto;
      position: relative;
    }

    .notice-line i::after {
      content: "";
      position: absolute;
      width: 8px;
      height: 8px;
      top: 7px;
      left: 7px;
      border-radius: 999px;
      background: var(--primary);
    }

    .feedback-form {
      display: grid;
      gap: 12px;
      padding: 20px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .field label {
      display: block;
      margin: 0 0 6px 2px;
      color: #4b5563;
      font-size: 13px;
      font-weight: 800;
    }

    .field input,
    .field textarea {
      padding: 12px 14px;
    }

    .field textarea {
      min-height: 118px;
      resize: vertical;
    }

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

    .site-footer {
      margin-left: var(--sidebar);
      padding: 34px 0;
      background: #fff;
      border-top: 1px solid var(--border);
    }

    .footer-inner {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 30px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 10px;
    }

    .footer-brand .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 13px;
    }

    .footer-copy {
      max-width: 560px;
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 8px;
    }

    .copyright {
      color: var(--muted-2);
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 12px;
    }

    .footer-links a {
      padding: 8px 11px;
      border-radius: 999px;
      color: #4b5563;
      font-size: 14px;
      font-weight: 750;
      background: #faf9f5;
      border: 1px solid var(--border);
      transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
    }

    .footer-links a:hover {
      background: #fff2f4;
      color: var(--primary-dark);
      border-color: rgba(255, 77, 109, .28);
    }

    @media (max-width: 1120px) {
      .hero-grid,
      .content-layout,
      .metrics-panel,
      .feedback-panel {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

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

    @media (max-width: 1023px) {
      .sidebar {
        transform: translateX(-104%);
        transition: transform .28s var(--ease);
        box-shadow: 20px 0 50px rgba(0,0,0,.12);
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .mobile-topbar {
        display: flex;
      }

      .main,
      .site-footer {
        margin-left: 0;
      }

      .page-head {
        padding-top: 24px;
      }

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

    @media (max-width: 767px) {
      .workbench-hero {
        padding: 24px;
        border-radius: 28px;
      }

      .top-tools,
      .section-head,
      .footer-inner {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
      }

      .search-row,
      .index-grid,
      .coupon-mini-grid,
      .flow-grid,
      .form-grid,
      .side-stack {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 40px 0;
      }

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

      .btn {
        width: 100%;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .mobile-brand span:last-child {
        max-width: 168px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .coupon-main h2 {
        font-size: 21px;
      }

      .index-card {
        min-height: auto;
        border-radius: 24px;
      }

      .meta-item {
        flex-direction: column;
        gap: 2px;
      }
    }