:root {
      --brand: #e85a1c;
      --brand-deep: #c4470f;
      --ink: #1a1f24;
      --ink-soft: #3d4650;
      --muted: #6b7580;
      --line: rgba(26, 31, 36, 0.1);
      --paper: #f7f4ef;
      --paper-2: #efeae2;
      --mint: #1f7a5c;
      --sky: #2b6cb0;
      --surface: #ffffff;
      --radius: 6px;
      --font-display: "Noto Serif SC", "Songti SC", serif;
      --font-body: "Noto Sans SC", "PingFang SC", sans-serif;
      --max: 1120px;
      --nav-h: 64px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-body);
      color: var(--ink);
      background: var(--paper);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }

    .wrap {
      width: min(100% - 2.5rem, var(--max));
      margin-inline: auto;
    }

    /* —— Top nav —— */
    .nav {
      position: fixed;
      inset: 0 0 auto;
      z-index: 50;
      padding: 0.85rem 0;
      color: #f5f1ea;
      transition: background 0.35s var(--ease), backdrop-filter 0.35s, border-color 0.35s, color 0.35s;
      border-bottom: 1px solid transparent;
    }

    .nav .btn-ghost {
      color: #f5f1ea;
      border-color: rgba(245, 241, 234, 0.38);
    }

    .nav .btn-ghost:hover {
      border-color: rgba(245, 241, 234, 0.75);
      background: rgba(255, 255, 255, 0.08);
    }

    .nav.is-solid {
      color: var(--ink);
      background: rgba(247, 244, 239, 0.92);
      backdrop-filter: blur(12px);
      border-bottom-color: var(--line);
    }

    .nav.is-solid .btn-ghost {
      color: var(--ink);
      border-color: var(--line);
    }

    .nav.is-solid .btn-ghost:hover {
      border-color: var(--ink);
      background: transparent;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 0.55rem;
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1.2rem;
      letter-spacing: 0.02em;
    }

    .brand-mark {
      width: 32px;
      height: 32px;
      background: var(--brand);
      color: #fff;
      display: grid;
      place-items: center;
      border-radius: 4px;
    }

    .brand-mark svg { width: 16px; height: 16px; }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      flex: 1;
      justify-content: center;
      margin: 0 0.5rem;
    }

    .nav-links a {
      font-size: 0.9rem;
      font-weight: 600;
      opacity: 0.88;
      transition: opacity 0.2s, color 0.2s;
    }

    .nav-links a:hover { opacity: 1; }

    .nav.is-solid .nav-links a:hover { color: var(--brand); }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.65rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.7rem 1.25rem;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: var(--radius);
      transition: transform 0.25s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
    }

    .btn:active { transform: scale(0.98); }

    .btn-primary {
      background: var(--brand);
      color: #fff;
    }

    .btn-primary:hover { background: var(--brand-deep); }

    .btn-ghost {
      background: transparent;
      color: var(--ink);
      border: 1px solid var(--line);
    }

    .btn-ghost:hover {
      border-color: var(--ink);
    }

    .btn-lg {
      padding: 0.95rem 1.6rem;
      font-size: 1rem;
    }

    .btn-dark {
      background: var(--ink);
      color: #fff;
    }

    .btn-dark:hover { background: #000; }

    /* —— Hero —— */
    .hero {
      position: relative;
      min-height: 100vh;
      min-height: 100dvh;
      display: grid;
      align-items: end;
      overflow: hidden;
      background:
        linear-gradient(165deg, #1c242c 0%, #2a343e 42%, #3a2a22 100%);
      color: #f5f1ea;
    }

    .hero-media {
      position: absolute;
      inset: 0;
      z-index: 0;
    }

    .hero-media-art {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 70% 55% at 78% 42%, rgba(232, 90, 28, 0.45), transparent 60%),
        radial-gradient(ellipse 50% 40% at 18% 70%, rgba(31, 122, 92, 0.28), transparent 55%),
        linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, 0.04) 100%);
    }

    .hero-media-pattern {
      position: absolute;
      inset: 0;
      opacity: 0.35;
      background-image:
        repeating-linear-gradient(
          -18deg,
          transparent,
          transparent 28px,
          rgba(255, 255, 255, 0.03) 28px,
          rgba(255, 255, 255, 0.03) 29px
        );
      animation: drift 28s linear infinite;
    }

    @keyframes drift {
      from { transform: translateX(0); }
      to { transform: translateX(-80px); }
    }

    .hero-device {
      position: absolute;
      right: max(4vw, calc((100% - var(--max)) / 2));
      bottom: 12%;
      width: min(38vw, 420px);
      aspect-ratio: 10 / 14;
      z-index: 1;
      border: 1px solid rgba(255, 255, 255, 0.18);
      background: linear-gradient(160deg, #24303a, #1a2229);
      border-radius: 22px;
      padding: 14px;
      transform: translateY(24px) rotate(3deg);
      opacity: 0;
      animation: rise-in 1.1s var(--ease) 0.25s forwards;
    }

    @keyframes rise-in {
      to {
        opacity: 1;
        transform: translateY(0) rotate(2deg);
      }
    }

    .hero-device-screen {
      height: 100%;
      border-radius: 14px;
      background: #f7f4ef;
      color: var(--ink);
      padding: 1.1rem 1rem;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
      overflow: hidden;
    }

    .device-top {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
    }

    .device-top strong {
      font-family: var(--font-display);
      font-size: 1.05rem;
    }

    .device-top span {
      font-size: 0.7rem;
      color: var(--muted);
    }

    .device-balance {
      background: linear-gradient(135deg, #24303a, #3a2a22);
      color: #f5f1ea;
      padding: 1rem;
      border-radius: 10px;
    }

    .device-balance label {
      font-size: 0.72rem;
      opacity: 0.7;
      display: block;
      margin-bottom: 0.25rem;
    }

    .device-balance strong {
      font-family: var(--font-display);
      font-size: 1.85rem;
      letter-spacing: -0.02em;
    }

    .device-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.55rem;
    }

    .device-chip {
      background: var(--paper-2);
      padding: 0.65rem 0.7rem;
      border-radius: 8px;
    }

    .device-chip small {
      display: block;
      font-size: 0.68rem;
      color: var(--muted);
    }

    .device-chip b {
      font-size: 0.95rem;
    }

    .device-list {
      display: flex;
      flex-direction: column;
      gap: 0.45rem;
      margin-top: auto;
    }

    .device-item {
      display: flex;
      justify-content: space-between;
      font-size: 0.78rem;
      padding: 0.45rem 0;
      border-top: 1px solid var(--line);
    }

    .device-item em {
      font-style: normal;
      color: var(--mint);
      font-weight: 600;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      width: min(100% - 2.5rem, var(--max));
      margin: 0 auto;
      padding: 7.5rem 0 5.5rem;
      max-width: 560px;
      margin-left: max(1.25rem, calc((100% - var(--max)) / 2));
      opacity: 0;
      transform: translateY(28px);
      animation: fade-up 0.9s var(--ease) 0.05s forwards;
    }

    @keyframes fade-up {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .hero-brand {
      font-family: var(--font-display);
      font-size: clamp(3.4rem, 9vw, 5.6rem);
      font-weight: 700;
      line-height: 1;
      letter-spacing: -0.03em;
      margin-bottom: 1.1rem;
    }

    .hero-brand span {
      color: var(--brand);
    }

    .hero-headline {
      font-size: clamp(1.15rem, 2.4vw, 1.45rem);
      font-weight: 500;
      color: rgba(245, 241, 234, 0.88);
      margin-bottom: 0.75rem;
      max-width: 22em;
    }

    .hero-support {
      font-size: 0.98rem;
      color: rgba(245, 241, 234, 0.58);
      margin-bottom: 2rem;
      max-width: 28em;
    }

    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      align-items: center;
    }

    .hero .btn-primary {
      box-shadow: none;
    }

    .hero .btn-ghost {
      color: #f5f1ea;
      border-color: rgba(245, 241, 234, 0.28);
    }

    .hero .btn-ghost:hover {
      border-color: rgba(245, 241, 234, 0.7);
      background: rgba(255, 255, 255, 0.06);
    }

    .scroll-hint {
      position: absolute;
      left: 50%;
      bottom: 1.4rem;
      transform: translateX(-50%);
      z-index: 3;
      font-size: 0.72rem;
      letter-spacing: 0.14em;
      color: rgba(245, 241, 234, 0.4);
      animation: pulse 2.4s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 0.35; }
      50% { opacity: 0.8; }
    }

    /* —— Sections —— */
    section {
      padding: 5.5rem 0;
    }

    .section-head {
      max-width: 36rem;
      margin-bottom: 2.75rem;
    }

    .section-head h2 {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3.5vw, 2.35rem);
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 0.7rem;
    }

    .section-head p {
      color: var(--muted);
      font-size: 1.02rem;
    }

    /* Value */
    .value {
      background: var(--surface);
      border-block: 1px solid var(--line);
    }

    .value-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2.5rem 2rem;
    }

    .value-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 0.55rem;
      display: flex;
      align-items: center;
      gap: 0.55rem;
    }

    .value-num {
      font-family: var(--font-display);
      color: var(--brand);
      font-size: 1.35rem;
    }

    .value-item p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    /* Features */
    .features-layout {
      display: grid;
      grid-template-columns: 1.05fr 1fr;
      gap: 3.5rem;
      align-items: start;
    }

    .feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
    }

    .feature-list li {
      display: grid;
      grid-template-columns: 3.5rem 1fr;
      gap: 1rem;
      padding: 1.25rem 0;
      border-bottom: 1px solid var(--line);
      opacity: 0;
      transform: translateX(-12px);
      transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
    }

    .feature-list li.is-in {
      opacity: 1;
      transform: none;
    }

    .feature-list li:first-child { border-top: 1px solid var(--line); }

    .feature-icon {
      width: 3rem;
      height: 3rem;
      display: grid;
      place-items: center;
      background: var(--paper-2);
      border-radius: 8px;
      color: var(--brand-deep);
    }

    .feature-icon svg { width: 1.25rem; height: 1.25rem; }

    .feature-list h3 {
      font-size: 1.05rem;
      margin-bottom: 0.25rem;
    }

    .feature-list p {
      font-size: 0.9rem;
      color: var(--muted);
    }

    .scene-panel {
      position: sticky;
      top: 5.5rem;
      background: var(--ink);
      color: #f5f1ea;
      border-radius: 12px;
      padding: 2rem 1.75rem;
      min-height: 340px;
      overflow: hidden;
    }

    .scene-panel::before {
      content: "";
      position: absolute;
      inset: auto -20% -30% 30%;
      height: 70%;
      background: radial-gradient(circle, rgba(232, 90, 28, 0.35), transparent 65%);
      pointer-events: none;
    }

    .scene-panel > * { position: relative; z-index: 1; }

    .scene-kicker {
      font-size: 0.75rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: rgba(245, 241, 234, 0.45);
      margin-bottom: 1rem;
    }

    .scene-panel h3 {
      font-family: var(--font-display);
      font-size: 1.55rem;
      line-height: 1.35;
      margin-bottom: 0.85rem;
    }

    .scene-panel p {
      color: rgba(245, 241, 234, 0.62);
      font-size: 0.95rem;
      margin-bottom: 1.5rem;
    }

    .scene-stats {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    .scene-stats div strong {
      display: block;
      font-family: var(--font-display);
      font-size: 1.5rem;
      margin-bottom: 0.15rem;
    }

    .scene-stats div span {
      font-size: 0.78rem;
      color: rgba(245, 241, 234, 0.5);
    }

    /* Flow */
    .flow {
      background:
        linear-gradient(180deg, var(--paper-2), var(--paper));
    }

    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      counter-reset: step;
    }

    .flow-step {
      position: relative;
      padding-top: 0.25rem;
    }

    .flow-step::before {
      counter-increment: step;
      content: counter(step, decimal-leading-zero);
      display: block;
      font-family: var(--font-display);
      font-size: 2rem;
      color: var(--brand);
      line-height: 1;
      margin-bottom: 0.85rem;
    }

    .flow-step h3 {
      font-size: 1.05rem;
      margin-bottom: 0.4rem;
    }

    .flow-step p {
      font-size: 0.9rem;
      color: var(--muted);
    }

    /* Experience band */
    .experience {
      padding: 4.5rem 0 5.5rem;
    }

    .experience-panel {
      background: linear-gradient(125deg, #24303a 0%, #1a2229 55%, #3a2a22 100%);
      color: #f5f1ea;
      border-radius: 14px;
      padding: clamp(2rem, 5vw, 3.25rem);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 2.5rem;
      align-items: center;
    }

    .experience-panel h2 {
      font-family: var(--font-display);
      font-size: clamp(1.7rem, 3vw, 2.2rem);
      line-height: 1.3;
      margin-bottom: 0.7rem;
    }

    .experience-panel > div > p {
      color: rgba(245, 241, 234, 0.6);
      margin-bottom: 1.5rem;
      max-width: 32em;
    }

    .experience-entries {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .entry {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1rem 1.15rem;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 8px;
      transition: background 0.2s, border-color 0.2s, transform 0.25s var(--ease);
    }

    .entry:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(232, 90, 28, 0.55);
      transform: translateX(4px);
    }

    .entry strong {
      display: block;
      font-size: 1rem;
      margin-bottom: 0.15rem;
    }

    .entry span {
      font-size: 0.82rem;
      color: rgba(245, 241, 234, 0.5);
    }

    .entry-arrow {
      flex-shrink: 0;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--brand);
      color: #fff;
      display: grid;
      place-items: center;
    }

    .entry-arrow svg { width: 16px; height: 16px; }

    /* Footer */
    .footer {
      padding: 2rem 0 2.5rem;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 0.82rem;
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.75rem 1.5rem;
    }

    .footer a:hover { color: var(--ink); }

    /* Responsive */
    @media (max-width: 960px) {
      .hero-device { display: none; }

      .hero-content {
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
        padding-bottom: 4.5rem;
      }

      .value-grid,
      .features-layout,
      .flow-steps,
      .experience-panel {
        grid-template-columns: 1fr;
      }

      .scene-panel {
        position: static;
        min-height: 0;
      }

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

    @media (max-width: 560px) {
      .wrap { width: min(100% - 1.5rem, var(--max)); }

      .nav-links { display: none; }

      .nav-actions { gap: 0.4rem; }

      .nav .btn {
        padding: 0.55rem 0.75rem;
        font-size: 0.8rem;
      }

      .nav .btn-ghost[data-link="login"] { display: none; }

      .value-grid,
      .flow-steps {
        grid-template-columns: 1fr;
        gap: 1.75rem;
      }

      .hero-content { padding-top: 6.5rem; }

      section { padding: 4rem 0; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }

      .hero-content,
      .hero-device,
      .feature-list li {
        opacity: 1;
        transform: none;
      }
    }


/* ========== 介绍页通用 ========== */
.page-body {
  background:
    radial-gradient(ellipse 80% 40% at 0% 20%, rgba(232, 90, 28, 0.05), transparent 50%),
    var(--paper);
}

.nav-links a[aria-current="page"] {
  color: var(--brand);
  opacity: 1;
  box-shadow: inset 0 -2px 0 var(--brand);
}

.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 52px) 0 48px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 70% at 100% 0%, rgba(232, 90, 28, 0.14), transparent 55%),
    radial-gradient(ellipse 40% 50% at 0% 80%, rgba(31, 122, 92, 0.08), transparent 50%),
    linear-gradient(180deg, #fff8f2 0%, var(--paper) 100%);
  border-bottom: 1px solid rgba(26, 31, 36, 0.06);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232, 90, 28, 0.25), transparent);
}
.page-hero .wrap-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 2rem;
  align-items: center;
}
.page-hero .wrap-hero.solo {
  grid-template-columns: 1fr;
  max-width: 40rem;
}
.page-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}
.page-hero .eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--brand);
}
.page-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 18px;
}
.page-hero .breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}
.page-hero .breadcrumb a:hover { color: var(--brand); }
.page-hero .breadcrumb span { opacity: 0.5; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.18;
  max-width: 14em;
  margin-bottom: 16px;
}
.page-hero .lead {
  font-size: 1.06rem;
  color: var(--ink-soft);
  max-width: 38em;
  line-height: 1.75;
  margin-bottom: 22px;
}
.page-hero .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-hero-visual {
  position: relative;
  min-width: 0;
}
.page-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center top;
  border-radius: 10px;
  background: #fff;
  box-shadow:
    0 20px 40px rgba(26, 31, 36, 0.12),
    0 0 0 1px rgba(26, 31, 36, 0.06);
  transform: none;
}
.page-hero-visual:hover img {
  transform: none;
}
.page-hero-visual::before {
  content: "";
  position: absolute;
  inset: 10% -6% -6% 10%;
  background: linear-gradient(135deg, rgba(232, 90, 28, 0.16), rgba(31, 122, 92, 0.1));
  border-radius: 14px;
  z-index: -1;
}

.contact-hero-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: center;
  max-width: 640px;
  margin: 8px 0 28px;
  padding: 32px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.08);
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(26, 31, 36, 0.05);
}
.contact-hero-card img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(26, 31, 36, 0.08);
  background: #fff;
}
.contact-hero-card .person-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 8px;
}
.contact-hero-card .person-role {
  color: var(--brand);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 12px;
}
.contact-hero-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: none;
}

.article {
  padding: 56px 0 32px;
}
.article-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.article-main { min-width: 0; }
.article h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.article h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin: 22px 0 10px;
  color: var(--ink);
}
.article p {
  color: var(--ink-soft);
  margin-bottom: 14px;
  line-height: 1.85;
  max-width: 46em;
}
.article ul, .article ol {
  margin: 0 0 18px;
  padding-left: 1.25em;
  color: var(--ink-soft);
  max-width: 46em;
  line-height: 1.85;
}
.article li { margin-bottom: 6px; }
.article a { color: var(--brand-deep); }

.toc-side {
  position: sticky;
  top: calc(var(--nav-h) + 16px);
  padding: 16px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.08);
  border-radius: 10px;
}
.toc-side .toc-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 12px;
}
.toc-side a {
  display: block;
  padding: 8px 10px;
  margin: 0 -6px 2px;
  border-radius: 6px;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  transition: background 0.2s, color 0.2s;
}
.toc-side a:hover {
  background: rgba(232, 90, 28, 0.08);
  color: var(--brand);
}

.toc-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}
.toc-pills a {
  padding: 8px 14px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.1);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.86rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.toc-pills a:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(232, 90, 28, 0.06);
}

.content-block {
  margin-bottom: 28px;
  padding: 28px 28px 24px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.07);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(26, 31, 36, 0.03);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.content-block.is-in {
  opacity: 1;
  transform: none;
}
.content-block .block-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--font-display);
}
.content-block h2 { margin-top: 0; }
.content-block > p:last-child { margin-bottom: 0; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 18px 0 0;
}
.feature-block {
  padding: 18px 18px;
  background: var(--paper);
  border: 1px solid rgba(26, 31, 36, 0.06);
  border-radius: 8px;
}
.feature-block h3 { margin: 0 0 8px; font-size: 1rem; }
.feature-block p { margin-bottom: 0; font-size: 0.92rem; max-width: none; }

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 8px 0 28px;
}
.scenario-item {
  padding: 24px 22px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.07);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(26, 31, 36, 0.03);
  border-top: 3px solid var(--brand);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease), box-shadow 0.25s;
}
.scenario-item.is-in {
  opacity: 1;
  transform: none;
}
.scenario-item:hover {
  box-shadow: 0 14px 32px rgba(26, 31, 36, 0.08);
}
.scenario-item .scene-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-deep);
  background: rgba(232, 90, 28, 0.1);
  border-radius: 4px;
}
.scenario-item h3 { margin: 0 0 10px; font-family: var(--font-display); font-size: 1.2rem; }
.scenario-item p { margin: 0; max-width: none; }

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 8px 0 32px;
  max-width: none;
  display: grid;
  gap: 14px;
}
.steps li {
  position: relative;
  padding: 22px 22px 22px 72px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.07);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(26, 31, 36, 0.03);
  color: var(--ink-soft);
  line-height: 1.75;
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.steps li.is-in {
  opacity: 1;
  transform: none;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 22px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 14px rgba(232, 90, 28, 0.35);
}
.steps strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 16px 0 28px;
}
.tip-card {
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.07);
  border-radius: 10px;
}
.tip-card h3 { margin: 0 0 8px; font-size: 1rem; }
.tip-card p { margin: 0; font-size: 0.92rem; max-width: none; }

.faq-list { margin: 4px 0 28px; max-width: none; }
.faq-item {
  margin-bottom: 12px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.07);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(26, 31, 36, 0.03);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}
.faq-item.is-in {
  opacity: 1;
  transform: none;
}
.faq-item h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-family: var(--font-display);
}
.faq-item p { margin: 0; max-width: none; }

.contact-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  margin: 8px 0 28px;
  padding: 24px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.08);
  border-radius: 12px;
}
.contact-card img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.08);
}
.contact-card h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}
.contact-card p { margin: 0; max-width: none; }

.related {
  padding: 48px 0 16px;
  border-top: 1px solid rgba(26, 31, 36, 0.06);
  background: linear-gradient(180deg, transparent, rgba(255, 248, 242, 0.6));
}
.related h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 18px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.related-card {
  display: block;
  padding: 18px 16px;
  background: #fff;
  border: 1px solid rgba(26, 31, 36, 0.08);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s, transform 0.25s var(--ease), box-shadow 0.25s;
}
.related-card:hover {
  border-color: rgba(232, 90, 28, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(26, 31, 36, 0.06);
  color: var(--ink);
}
.related-card strong {
  display: block;
  font-size: 0.98rem;
  margin-bottom: 4px;
}
.related-card span {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.cta-band {
  position: relative;
  margin: 40px 0 0;
  padding: 40px 32px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(232, 90, 28, 0.35), transparent 55%),
    linear-gradient(135deg, #1a1f24 0%, #2c3540 100%);
  border-radius: 14px;
  color: #fff;
  text-align: center;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  margin: 0 0 10px;
  color: #fff;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.72);
  margin: 0 auto 22px;
  max-width: 32em;
}
.cta-band .cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-band .btn-primary {
  color: #fff;
}
.cta-band .btn-primary:hover {
  color: #fff;
}
.cta-band .btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.cta-band .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}
.btn-member {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-member:hover {
  border-color: var(--ink);
}
.cta-band .btn-member {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}
.cta-band .btn-member:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 14px;
}
.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
}
.footer-nav a:hover { color: var(--brand); }

.article-layout .toc-pills { display: none; }

@media (max-width: 960px) {
  .page-hero .wrap-hero {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .page-hero-visual img { transform: none; }
  .page-hero-visual:hover img { transform: none; }
  .article-layout { grid-template-columns: 1fr; }
  .toc-side { display: none; }
  .article-layout .toc-pills { display: flex; }
  .scenario-grid,
  .tip-grid,
  .related-grid { grid-template-columns: 1fr 1fr; }
  .contact-hero-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
}
@media (max-width: 720px) {
  .feature-grid,
  .scenario-grid,
  .tip-grid,
  .related-grid { grid-template-columns: 1fr; }
  .page-hero { padding-top: calc(var(--nav-h) + 32px); }
  .contact-card {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }
  .content-block { padding: 20px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .content-block,
  .scenario-item,
  .steps li,
  .faq-item {
    opacity: 1;
    transform: none;
  }
}