/* roulang page: index */
:root {
      --color-bg: #f8fafc;
      --color-surface: #ffffff;
      --color-surface-2: #f1f5f9;
      --color-text: #111827;
      --color-muted: #64748b;
      --color-soft: #94a3b8;
      --color-line: rgba(15, 23, 42, 0.1);
      --color-primary: #e11d48;
      --color-primary-dark: #be123c;
      --color-primary-soft: #fff1f2;
      --color-accent: #0f766e;
      --color-accent-soft: #ccfbf1;
      --color-warning: #f59e0b;
      --color-dark: #0f172a;
      --color-dark-2: #111c33;
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-xl: 34px;
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 18px 48px rgba(15, 23, 42, 0.12);
      --shadow-lg: 0 28px 70px rgba(15, 23, 42, 0.18);
      --container: 1180px;
      --section-y: 86px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: var(--font-sans);
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 4%, rgba(225, 29, 72, 0.08), transparent 26rem),
        radial-gradient(circle at 92% 14%, rgba(15, 118, 110, 0.08), transparent 24rem),
        linear-gradient(180deg, #fff 0%, var(--color-bg) 42%, #fff 100%);
      line-height: 1.75;
      letter-spacing: 0.01em;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, opacity .2s ease, transform .2s ease;
    }

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

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

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

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(225, 29, 72, 0.18);
      color: var(--color-dark);
    }

    .site-shell {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(15, 23, 42, 0.08);
      background: rgba(255, 255, 255, 0.82);
      backdrop-filter: blur(18px);
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
    }

    .nav-wrap {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -0.03em;
      color: var(--color-dark);
      min-width: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(225, 29, 72, 1), rgba(245, 158, 11, .95)),
        linear-gradient(45deg, rgba(255,255,255,.15), transparent);
      box-shadow: 0 12px 28px rgba(225, 29, 72, 0.25);
      flex: 0 0 auto;
    }

    .brand-name {
      font-size: 1.08rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
    }

    .home-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-muted);
      padding: 10px 14px;
      border-radius: 999px;
      font-size: .92rem;
      font-weight: 700;
      background: rgba(241, 245, 249, 0.72);
      border: 1px solid rgba(15, 23, 42, 0.06);
    }

    .home-pill:hover,
    .home-pill:focus {
      background: #fff;
      color: var(--color-primary);
      box-shadow: var(--shadow-sm);
    }

    .btn {
      border: 0;
      border-radius: 999px;
      padding: 13px 20px;
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      font-weight: 800;
      line-height: 1;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      user-select: none;
      white-space: nowrap;
    }

    .btn:focus,
    .button:focus,
    input:focus,
    textarea:focus,
    select:focus,
    a:focus-visible {
      outline: 3px solid rgba(225, 29, 72, 0.22);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), #fb7185);
      box-shadow: 0 14px 32px rgba(225, 29, 72, 0.26);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(225, 29, 72, 0.34);
    }

    .btn-secondary {
      color: var(--color-dark);
      background: #fff;
      border: 1px solid rgba(15, 23, 42, 0.12);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--color-primary);
      transform: translateY(-2px);
      border-color: rgba(225, 29, 72, 0.26);
      box-shadow: var(--shadow-md);
    }

    .btn-dark {
      color: #fff;
      background: var(--color-dark);
      box-shadow: 0 16px 34px rgba(15, 23, 42, 0.24);
    }

    .btn-dark:hover,
    .btn-dark:focus {
      color: #fff;
      background: #020617;
      transform: translateY(-2px);
    }

    .section {
      padding: var(--section-y) 0;
      position: relative;
    }

    .section-compact {
      padding: 58px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      border: 1px solid rgba(225, 29, 72, 0.12);
      border-radius: 999px;
      padding: 8px 13px;
      font-size: .86rem;
      font-weight: 850;
    }

    .section-title {
      margin: 0;
      font-size: clamp(1.85rem, 3vw, 2.75rem);
      line-height: 1.18;
      letter-spacing: -0.045em;
      color: var(--color-dark);
      font-weight: 950;
    }

    .section-desc {
      margin: 16px 0 0;
      color: var(--color-muted);
      max-width: 760px;
      font-size: 1.02rem;
    }

    .section-head {
      margin-bottom: 34px;
    }

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

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(15, 23, 42, 0.1);
      color: var(--color-muted);
      font-size: .86rem;
      font-weight: 750;
      box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
    }

    .badge.hot {
      color: #9f1239;
      background: #fff1f2;
      border-color: rgba(225, 29, 72, 0.15);
    }

    .badge.safe {
      color: #115e59;
      background: #f0fdfa;
      border-color: rgba(15, 118, 110, 0.16);
    }

    .hero {
      padding: 46px 0 36px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      color: #fff;
      background:
        linear-gradient(110deg, rgba(15, 23, 42, 0.94), rgba(30, 41, 59, 0.88)),
        radial-gradient(circle at 18% 18%, rgba(225, 29, 72, 0.42), transparent 23rem),
        radial-gradient(circle at 86% 28%, rgba(20, 184, 166, 0.35), transparent 22rem);
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.9), transparent 85%);
      opacity: .55;
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
      gap: 28px;
      padding: clamp(28px, 5vw, 56px);
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 430px;
    }

    .hero-topline {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 28px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 9px 13px;
      color: #ffe4e6;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
      backdrop-filter: blur(12px);
      font-weight: 800;
      font-size: .9rem;
    }

    .hero h1 {
      margin: 0;
      max-width: 870px;
      font-size: clamp(2.4rem, 6.2vw, 5.45rem);
      line-height: .98;
      letter-spacing: -0.07em;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 760px;
      margin: 24px 0 0;
      color: rgba(255, 255, 255, 0.82);
      font-size: clamp(1rem, 1.4vw, 1.18rem);
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 30px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 32px;
      max-width: 820px;
    }

    .hero-point {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(12px);
    }

    .hero-point strong {
      display: block;
      font-size: 1.42rem;
      line-height: 1.1;
      color: #fff;
      letter-spacing: -0.04em;
    }

    .hero-point span {
      display: block;
      margin-top: 8px;
      color: rgba(255, 255, 255, .72);
      font-size: .88rem;
      line-height: 1.5;
    }

    .apply-panel {
      position: relative;
      padding: 22px;
      border-radius: 30px;
      background: rgba(255, 255, 255, 0.96);
      color: var(--color-dark);
      box-shadow: 0 24px 52px rgba(2, 6, 23, 0.28);
      align-self: stretch;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
    }

    .apply-panel::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -70px;
      top: -70px;
      background: radial-gradient(circle, rgba(225,29,72,.18), transparent 68%);
      pointer-events: none;
    }

    .apply-panel h2 {
      margin: 0;
      font-size: 1.48rem;
      line-height: 1.25;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

    .apply-panel p {
      margin: 10px 0 18px;
      color: var(--color-muted);
      font-size: .95rem;
    }

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

    .field-label {
      display: block;
      margin-bottom: 7px;
      color: #334155;
      font-size: .86rem;
      font-weight: 850;
    }

    .mini-form input,
    .mini-form select,
    .contact-form input,
    .contact-form select,
    .contact-form textarea {
      width: 100%;
      margin: 0;
      border-radius: 16px;
      border: 1px solid rgba(15, 23, 42, 0.12);
      background: #fff;
      box-shadow: none;
      min-height: 48px;
      padding: 12px 14px;
      color: var(--color-dark);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .mini-form input:focus,
    .mini-form select:focus,
    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus {
      border-color: rgba(225, 29, 72, 0.42);
      box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.12);
      background: #fff;
    }

    .qualify-box {
      margin-top: 16px;
      border-radius: 20px;
      padding: 14px;
      background: #f8fafc;
      border: 1px dashed rgba(15, 23, 42, 0.16);
    }

    .qualify-box strong {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .92rem;
      color: var(--color-dark);
    }

    .qualify-box ul {
      margin: 10px 0 0;
      padding-left: 18px;
      color: var(--color-muted);
      font-size: .88rem;
      line-height: 1.7;
    }

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

    .feature-card {
      position: relative;
      overflow: hidden;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
      min-height: 250px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .feature-card:nth-child(2) {
      transform: translateY(28px);
      background: linear-gradient(180deg, #fff, #fff7ed);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(225, 29, 72, .22);
    }

    .feature-card:nth-child(2):hover {
      transform: translateY(20px);
    }

    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      margin-bottom: 20px;
      font-size: 1.2rem;
    }

    .feature-card h3 {
      margin: 0;
      font-size: 1.28rem;
      line-height: 1.28;
      letter-spacing: -0.025em;
      font-weight: 920;
    }

    .feature-card p {
      margin: 12px 0 0;
      color: var(--color-muted);
      font-size: .98rem;
    }

    .feature-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: #475569;
      font-size: .92rem;
    }

    .feature-list i {
      color: var(--color-accent);
      margin-top: 5px;
      flex: 0 0 auto;
    }

    .demo-wrap {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
      gap: 24px;
      align-items: stretch;
    }

    .demo-aside {
      padding: 32px;
      border-radius: var(--radius-xl);
      background: var(--color-dark);
      color: #fff;
      min-height: 100%;
      position: relative;
      overflow: hidden;
    }

    .demo-aside::before {
      content: "";
      position: absolute;
      width: 230px;
      height: 230px;
      right: -90px;
      bottom: -90px;
      border-radius: 999px;
      background: rgba(225, 29, 72, .28);
      filter: blur(4px);
    }

    .demo-aside h2 {
      position: relative;
      margin: 0;
      font-size: clamp(1.6rem, 2.8vw, 2.5rem);
      line-height: 1.16;
      letter-spacing: -0.05em;
      font-weight: 950;
    }

    .demo-aside p {
      position: relative;
      margin: 16px 0 0;
      color: rgba(255,255,255,.76);
    }

    .demo-note {
      position: relative;
      margin-top: 28px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.12);
    }

    .demo-note span {
      display: block;
      color: #fecdd3;
      font-weight: 850;
      margin-bottom: 8px;
    }

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

    .scenario-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .scenario-card.wide {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 18px;
      align-items: center;
      background:
        linear-gradient(135deg, #fff 0%, #f0fdfa 100%);
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .scenario-card h3 {
      margin: 0;
      font-size: 1.13rem;
      letter-spacing: -0.02em;
      font-weight: 900;
    }

    .scenario-card p {
      margin: 9px 0 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .checkline {
      display: flex;
      gap: 9px;
      align-items: center;
      color: var(--color-accent);
      margin-top: 13px;
      font-size: .9rem;
      font-weight: 800;
    }

    .compare-strip {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      gap: 12px;
      align-items: center;
      margin-top: 12px;
    }

    .compare-box {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(15,23,42,.08);
    }

    .compare-box b {
      display: block;
      font-size: .9rem;
      margin-bottom: 5px;
    }

    .compare-box span {
      color: var(--color-muted);
      font-size: .86rem;
      line-height: 1.55;
    }

    .arrow-dot {
      width: 36px;
      height: 36px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--color-primary);
      box-shadow: 0 12px 24px rgba(225, 29, 72, .24);
    }

    .proof-section {
      background: linear-gradient(180deg, rgba(241,245,249,.86), rgba(255,255,255,0));
    }

    .proof-layout {
      display: grid;
      grid-template-columns: 1fr 1.25fr;
      gap: 24px;
      align-items: stretch;
    }

    .metric-board {
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-md);
      padding: 28px;
    }

    .metric-board h2 {
      margin: 0;
      font-size: clamp(1.6rem, 3vw, 2.55rem);
      line-height: 1.14;
      letter-spacing: -0.05em;
      font-weight: 950;
    }

    .metric-board p {
      margin: 14px 0 0;
      color: var(--color-muted);
    }

    .metrics {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 24px;
    }

    .metric {
      padding: 18px;
      border-radius: 22px;
      background: var(--color-surface-2);
      border: 1px solid rgba(15,23,42,.06);
    }

    .metric strong {
      display: block;
      color: var(--color-dark);
      font-size: 2rem;
      letter-spacing: -0.05em;
      line-height: 1;
    }

    .metric span {
      display: block;
      margin-top: 8px;
      color: var(--color-muted);
      font-size: .9rem;
    }

    .case-stack {
      display: grid;
      gap: 16px;
    }

    .case-card {
      display: grid;
      grid-template-columns: 112px 1fr;
      gap: 18px;
      align-items: center;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
      padding: 18px;
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .case-card:hover {
      transform: translateX(5px);
      box-shadow: var(--shadow-md);
    }

    .case-label {
      min-height: 112px;
      border-radius: 22px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-dark), #334155);
      text-align: center;
    }

    .case-label strong {
      font-size: 1.55rem;
      line-height: 1;
      letter-spacing: -0.05em;
    }

    .case-label span {
      margin-top: 8px;
      color: rgba(255,255,255,.76);
      font-size: .82rem;
    }

    .case-card h3 {
      margin: 0;
      font-size: 1.12rem;
      font-weight: 920;
      letter-spacing: -0.02em;
    }

    .case-card p {
      margin: 8px 0 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .case-action {
      margin-top: 12px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-weight: 850;
      font-size: .9rem;
    }

    .topic-panel {
      padding: 30px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, #fff, #fff7ed 55%, #f0fdfa);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .topic-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .topic-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 15px;
      border-radius: 999px;
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(15, 23, 42, .09);
      color: #334155;
      font-weight: 800;
      box-shadow: 0 10px 22px rgba(15,23,42,.05);
    }

    .topic-tag:hover {
      color: var(--color-primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
      border-color: rgba(225, 29, 72, .2);
    }

    .plans {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      align-items: stretch;
    }

    .plan-card {
      position: relative;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .plan-card.recommended {
      border-color: rgba(225, 29, 72, .28);
      box-shadow: 0 24px 54px rgba(225,29,72,.12);
      transform: translateY(-12px);
    }

    .plan-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .plan-card.recommended:hover {
      transform: translateY(-16px);
    }

    .recommend-tag {
      position: absolute;
      top: 18px;
      right: 18px;
      color: #fff;
      background: var(--color-primary);
      border-radius: 999px;
      padding: 7px 10px;
      font-size: .78rem;
      font-weight: 850;
    }

    .plan-card h3 {
      margin: 0;
      font-size: 1.35rem;
      font-weight: 950;
      letter-spacing: -0.035em;
    }

    .plan-price {
      margin: 16px 0 0;
      color: var(--color-dark);
      font-size: 2.1rem;
      line-height: 1;
      letter-spacing: -0.06em;
      font-weight: 950;
    }

    .plan-price small {
      font-size: .9rem;
      color: var(--color-muted);
      letter-spacing: 0;
      font-weight: 700;
    }

    .plan-card p {
      margin: 13px 0 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .plan-list {
      margin: 22px 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 11px;
    }

    .plan-list li {
      display: flex;
      gap: 9px;
      color: #475569;
      font-size: .92rem;
    }

    .plan-list i {
      color: var(--color-accent);
      margin-top: 5px;
    }

    .timeline-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 26px;
      align-items: start;
    }

    .timeline-intro {
      position: sticky;
      top: 104px;
      padding: 28px;
      border-radius: var(--radius-xl);
      background: var(--color-dark);
      color: #fff;
      overflow: hidden;
    }

    .timeline-intro::after {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -50px;
      top: -50px;
      background: radial-gradient(circle, rgba(20,184,166,.35), transparent 68%);
    }

    .timeline-intro h2 {
      position: relative;
      margin: 0;
      font-size: clamp(1.55rem, 2.7vw, 2.35rem);
      line-height: 1.18;
      letter-spacing: -0.045em;
      font-weight: 950;
    }

    .timeline-intro p {
      position: relative;
      margin: 16px 0 0;
      color: rgba(255,255,255,.74);
    }

    .timeline {
      position: relative;
      padding-left: 28px;
      display: grid;
      gap: 16px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 9px;
      top: 12px;
      bottom: 12px;
      width: 2px;
      background: linear-gradient(180deg, var(--color-primary), rgba(15,118,110,.45));
    }

    .timeline-item {
      position: relative;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -27px;
      top: 28px;
      width: 14px;
      height: 14px;
      border-radius: 999px;
      background: #fff;
      border: 4px solid var(--color-primary);
      box-shadow: 0 0 0 6px rgba(225,29,72,.12);
    }

    .time-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      padding: 7px 10px;
      border-radius: 999px;
      font-size: .82rem;
      font-weight: 850;
      margin-bottom: 12px;
    }

    .timeline-item h3 {
      margin: 0;
      font-size: 1.14rem;
      font-weight: 920;
      letter-spacing: -0.02em;
    }

    .timeline-item p {
      margin: 8px 0 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
      gap: 24px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 96px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: 0 10px 26px rgba(15,23,42,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .news-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(225,29,72,.18);
    }

    .news-date {
      display: grid;
      place-items: center;
      min-height: 74px;
      border-radius: 18px;
      color: var(--color-primary);
      background: var(--color-primary-soft);
      font-weight: 900;
      text-align: center;
      line-height: 1.2;
      font-size: .88rem;
    }

    .news-item h3 {
      margin: 0;
      font-size: 1.08rem;
      line-height: 1.35;
      font-weight: 920;
      letter-spacing: -0.02em;
    }

    .news-item p {
      margin: 7px 0 0;
      color: var(--color-muted);
      font-size: .92rem;
      line-height: 1.62;
    }

    .news-arrow {
      width: 38px;
      height: 38px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: #f8fafc;
      color: #64748b;
      border: 1px solid rgba(15,23,42,.08);
    }

    .news-item:hover .news-arrow {
      background: var(--color-primary);
      color: #fff;
    }

    .recommend-box {
      border-radius: var(--radius-xl);
      background: var(--color-dark);
      color: #fff;
      padding: 26px;
      box-shadow: var(--shadow-md);
      position: sticky;
      top: 104px;
    }

    .recommend-box h3 {
      margin: 0;
      font-size: 1.35rem;
      font-weight: 950;
      letter-spacing: -0.035em;
    }

    .recommend-box p {
      margin: 12px 0 18px;
      color: rgba(255,255,255,.72);
    }

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

    .rank-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.1);
    }

    .rank-num {
      width: 26px;
      height: 26px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: rgba(225,29,72,.9);
      color: #fff;
      font-size: .82rem;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .rank-list a {
      color: #fff;
      font-weight: 820;
      line-height: 1.5;
    }

    .rank-list a:hover {
      color: #fecdd3;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 24px;
      align-items: start;
    }

    .faq-copy {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, #fff, #f8fafc);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .faq-copy h2 {
      margin: 0;
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      line-height: 1.16;
      letter-spacing: -0.045em;
      font-weight: 950;
    }

    .faq-copy p {
      margin: 14px 0 0;
      color: var(--color-muted);
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid var(--color-line);
      background: #fff;
      box-shadow: 0 10px 24px rgba(15,23,42,.05);
    }

    .accordion-title {
      border: 0;
      padding: 20px 56px 20px 22px;
      color: var(--color-dark);
      font-size: 1rem;
      font-weight: 900;
      line-height: 1.45;
      background: #fff;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: #fff7ed;
      color: var(--color-primary);
    }

    .accordion-title::before {
      right: 22px;
      margin-top: -10px;
      font-size: 1.2rem;
    }

    .accordion-content {
      border: 0;
      padding: 0 22px 22px;
      color: var(--color-muted);
      font-size: .96rem;
      line-height: 1.8;
    }

    .cta-section {
      padding-bottom: 92px;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      background:
        linear-gradient(135deg, var(--color-primary), #f97316 55%, #0f766e);
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .cta-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 12% 20%, rgba(255,255,255,.24), transparent 18rem),
        radial-gradient(circle at 84% 70%, rgba(255,255,255,.16), transparent 20rem);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      padding: clamp(28px, 5vw, 52px);
      align-items: start;
    }

    .cta-copy h2 {
      margin: 0;
      font-size: clamp(1.9rem, 4vw, 3.1rem);
      line-height: 1.1;
      letter-spacing: -0.055em;
      font-weight: 950;
    }

    .cta-copy p {
      margin: 18px 0 0;
      color: rgba(255,255,255,.84);
      max-width: 560px;
    }

    .cta-bullets {
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .cta-bullets li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: rgba(255,255,255,.9);
      font-weight: 760;
    }

    .cta-bullets i {
      margin-top: 5px;
      color: #fff;
    }

    .contact-form {
      padding: 22px;
      border-radius: 28px;
      background: rgba(255,255,255,.96);
      color: var(--color-dark);
      box-shadow: 0 24px 54px rgba(2,6,23,.2);
    }

    .contact-form .grid-x {
      margin-left: -6px;
      margin-right: -6px;
    }

    .contact-form .cell {
      padding-left: 6px;
      padding-right: 6px;
      margin-bottom: 12px;
    }

    .contact-form textarea {
      min-height: 112px;
      resize: vertical;
    }

    .form-tip {
      margin: 12px 0 0;
      color: #64748b;
      font-size: .86rem;
      line-height: 1.6;
    }

    .form-status {
      display: none;
      margin-top: 12px;
      padding: 12px 14px;
      border-radius: 16px;
      background: #f0fdfa;
      color: #115e59;
      font-weight: 800;
      border: 1px solid rgba(15, 118, 110, .18);
    }

    .form-status.is-visible {
      display: block;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 45;
      display: none;
      align-items: center;
      gap: 10px;
      padding: 10px 12px 10px 16px;
      border-radius: 999px;
      background: rgba(15,23,42,.9);
      color: #fff;
      box-shadow: 0 20px 44px rgba(2,6,23,.28);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,.12);
      max-width: calc(100% - 28px);
    }

    .floating-cta span {
      font-size: .9rem;
      font-weight: 800;
      white-space: nowrap;
    }

    .floating-cta .btn {
      min-height: 38px;
      padding: 10px 14px;
      font-size: .86rem;
    }

    .site-footer {
      margin-top: auto;
      padding: 42px 0 32px;
      background: #0b1220;
      color: rgba(255,255,255,.74);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 950;
      letter-spacing: -0.03em;
    }

    .footer-brand .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      box-shadow: none;
    }

    .footer-text {
      margin: 12px 0 0;
      max-width: 760px;
      color: rgba(255,255,255,.62);
      font-size: .92rem;
      line-height: 1.75;
    }

    .footer-side {
      text-align: right;
    }

    .footer-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-weight: 850;
      border-radius: 999px;
      padding: 10px 12px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.1);
    }

    .footer-link:hover,
    .footer-link:focus {
      color: #fecdd3;
      background: rgba(255,255,255,.12);
    }

    .copyright {
      margin-top: 12px;
      font-size: .86rem;
      color: rgba(255,255,255,.5);
    }

    @media (max-width: 1024px) {
      :root {
        --section-y: 72px;
      }

      .hero-grid,
      .demo-wrap,
      .proof-layout,
      .timeline-wrap,
      .news-layout,
      .faq-grid,
      .cta-inner {
        grid-template-columns: 1fr;
      }

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

      .apply-panel,
      .recommend-box,
      .timeline-intro {
        position: relative;
        top: auto;
      }

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

      .feature-card:nth-child(2),
      .plan-card.recommended {
        transform: none;
      }

      .feature-card:nth-child(2):hover,
      .plan-card.recommended:hover {
        transform: translateY(-5px);
      }

      .hero-points {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

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

      .nav-wrap {
        height: 68px;
      }

      .brand-name {
        font-size: .98rem;
        max-width: 46vw;
      }

      .home-pill {
        display: none;
      }

      .btn {
        min-height: 44px;
        padding: 12px 16px;
      }

      .hero {
        padding-top: 28px;
      }

      .hero-stage,
      .cta-card {
        border-radius: 28px;
      }

      .hero-grid,
      .cta-inner {
        padding: 24px;
      }

      .hero h1 {
        font-size: clamp(2.25rem, 11vw, 3.8rem);
      }

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

      .cards-three,
      .plans,
      .demo-grid,
      .metrics {
        grid-template-columns: 1fr;
      }

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

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

      .arrow-dot {
        transform: rotate(90deg);
        margin-inline: auto;
      }

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

      .case-label {
        min-height: auto;
        align-items: flex-start;
        text-align: left;
      }

      .news-arrow {
        display: none;
      }

      .section-head.split {
        display: block;
      }

      .section-head.split .badge-row {
        margin-top: 16px;
      }

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

      .footer-side {
        text-align: left;
      }

      .floating-cta {
        display: flex;
      }
    }

    @media (max-width: 520px) {
      :root {
        --section-y: 58px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .nav-actions .btn {
        padding-inline: 13px;
        font-size: .88rem;
      }

      .hero-topline {
        margin-bottom: 18px;
      }

      .hero-badge {
        font-size: .82rem;
        padding: 8px 11px;
      }

      .apply-panel,
      .feature-card,
      .demo-aside,
      .scenario-card,
      .metric-board,
      .topic-panel,
      .plan-card,
      .timeline-intro,
      .timeline-item,
      .faq-copy,
      .contact-form {
        border-radius: 22px;
      }

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

      .hero-actions .btn,
      .mini-form .btn,
      .plan-card .btn,
      .contact-form .btn {
        width: 100%;
      }

      .timeline {
        padding-left: 22px;
      }

      .timeline-item::before {
        left: -24px;
      }

      .floating-cta {
        width: calc(100% - 24px);
        justify-content: space-between;
      }

      .floating-cta span {
        white-space: normal;
        line-height: 1.35;
      }
    }