* { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --primary: #D85847;
    --primary-dark: #B23F31;
    --primary-light: #FFE8E3;
    --accent: #2C5282;
    --accent-light: #E5EDF7;
    --gold: #C68A2E;
    --gold-light: #FFF4E0;
    --ink: #1A1A1A;
    --ink-soft: #4A4A4A;
    --muted: #888;
    --line: #DDD7CE;
    --bg: #FAF7F2;
    --card: #FFFFFF;
    --card-warm: #F4EFE7;
  }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  .container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

  /* === Lang switch === */
  .lang-switch {
    position: fixed;
    top: 20px;
    right: 24px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px;
    display: flex;
    gap: 2px;
    z-index: 100;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
  .lang-btn {
    padding: 8px 18px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    border-radius: 999px;
    transition: all 0.2s;
    font-family: inherit;
    letter-spacing: 0.5px;
  }
  .lang-btn.active { background: var(--ink); color: #FFF; }
  .lang-btn:hover:not(.active) { color: var(--ink); }

  /* === Dot nav (right-side) === */
  .dot-nav {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 99;
  }
  .dot-nav-item {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    border: 1.5px solid #BBB;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    padding: 0;
    backdrop-filter: blur(4px);
  }
  .dot-nav-item:hover {
    border-color: var(--ink);
    transform: scale(1.25);
  }
  .dot-nav-item.active {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.35);
    box-shadow: 0 2px 8px rgba(216, 88, 71, 0.4);
  }
  .dot-tooltip {
    position: absolute;
    right: calc(100% + 14px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--ink);
    color: #FFF;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    font-weight: 500;
    letter-spacing: 0.3px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s;
  }
  .dot-nav-item:hover .dot-tooltip { opacity: 1; }
  .dot-tooltip::after {
    content: "";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--ink);
  }
  @media (max-width: 1024px) { .dot-nav { display: none; } }
  html { scroll-behavior: smooth; }

  /* === Hero === */
  .hero {
    padding: 80px 32px 64px;
    background: linear-gradient(180deg, #FFF8F4 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--line);
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(216, 88, 71, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(44, 82, 130, 0.05) 0%, transparent 50%);
    pointer-events: none;
  }
  .hero-grid {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 56px;
    position: relative;
    z-index: 1;
  }
  .hero-text {
    max-width: 1000px;
    width: 100%;
  }
  .hero-text h1, .hero-text .scene-slogan, .hero-text .subtitle {
    max-width: 880px; margin-left: auto; margin-right: auto;
  }
  .hero-visual {
    width: 100%;
    max-width: 960px;
  }
  .hero-img {
    max-width: 100%;
  }
  .hero-text { text-align: center; }
  .hero-text .hero-cta-row { justify-content: center; }
  .hero-text .anchor-card { width: 100%; }
  .hero .tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: 24px;
    text-transform: uppercase;
  }
  .hero h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    color: var(--ink);
    letter-spacing: 4px;
    margin: 0 auto 18px;
    text-align: center;
    max-width: 100%;
  }
  .hero h1 .accent { color: var(--primary); }
  .hero .scene-slogan {
    font-size: 16px;
    color: var(--muted);
    font-style: italic;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
  }
  .hero-subtagline {
    display: inline-block;
    padding: 9px 18px;
    background: rgba(216,88,71,0.06);
    border-left: 3px solid var(--primary);
    color: var(--primary-dark);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
    margin-bottom: 24px;
    border-radius: 4px;
  }
  .hero-brand-slogan { display: none; }
  .hero .subtitle {
    font-size: 15px;
    color: var(--ink-soft);
    margin: 0 auto 28px;
    font-weight: 500;
    line-height: 1.65;
    text-align: center;
  }
  .hero .mission { display: none; }
  .hero .anchors {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 0 0 28px;
  }
  .hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero-img {
    width: 100%;
    max-width: 760px;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 32px 72px rgba(216, 88, 71, 0.18), 0 12px 32px rgba(0,0,0,0.10);
    border: 1px solid rgba(255,255,255,0.6);
    animation: heroFadeIn 0.9s ease-out 0.1s both, heroFloat 5s ease-in-out 1s infinite;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  .hero-img:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 0 40px 80px rgba(216, 88, 71, 0.24), 0 16px 40px rgba(0,0,0,0.12);
  }
  @keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(28px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }
  @keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
  }
  @media (prefers-reduced-motion: reduce) {
    .hero-img { animation: none; }
  }
  @media (max-width: 880px) {
    .hero { padding: 56px 20px 48px; }
    .hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero-text { text-align: center; }
    .hero h1 { font-size: 36px; }
    .hero-brand-slogan { font-size: 15px; padding: 8px 16px; }
    .hero .anchors { grid-template-columns: 1fr; }
  }
  .anchor-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
  }
  .anchor-card .num {
    font-size: 38px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
  }
  .anchor-card .label { font-size: 14px; color: var(--ink-soft); font-weight: 500; }

  /* === Section common === */
  section.block { padding: 80px 32px; border-bottom: 1px solid var(--line); }
  section.block.alt { background: var(--card-warm); }
  .section-num {
    display: inline-block;
    font-size: 13px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
  }
  .section-lede {
    font-size: 18px;
    color: var(--ink-soft);
    max-width: 720px;
    margin-bottom: 48px;
  }

  /* === §01 NOT WHO === */
  .not-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
  .not-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.15s, box-shadow 0.15s;
  }
  .not-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
  .not-card .x { font-size: 14px; color: #C66; font-weight: 600; margin-bottom: 8px; }
  .not-card h4 { font-size: 18px; color: var(--ink); margin-bottom: 12px; }
  .not-card p { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
  .not-card .vs { font-size: 13px; color: var(--ink-soft); margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
  .not-card .vs strong { color: var(--primary); }
  .relation-banner {
    margin-top: 48px;
    background: linear-gradient(135deg, var(--ink) 0%, #2A2A2A 100%);
    color: #FFF;
    border-radius: 16px;
    padding: 40px 48px;
    text-align: center;
  }
  .relation-banner .small { font-size: 14px; color: #BBB; letter-spacing: 1px; margin-bottom: 12px; }
  .relation-banner .big { font-size: 32px; font-weight: 700; line-height: 1.7; }
  .relation-banner .big br { display: block; content: ''; margin-top: 12px; }
  .zfb-tail-emph { display: inline-block; margin-top: 16px; font-size: 2.25em; font-weight: 900; color: var(--ink); letter-spacing: 0.5px; }
  .relation-banner .big .hl { color: #FF9E8A; }

  /* === §02 4-IN-1 === */
  .four-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .four-card {
    background: var(--card);
    border: 1.5px solid var(--line);
    border-radius: 14px;
    padding: 32px;
    position: relative;
    transition: border-color 0.2s, transform 0.15s;
  }
  .four-card:hover { border-color: var(--primary); transform: translateY(-3px); }
  .four-card .badge {
    position: absolute;
    top: -12px;
    left: 28px;
    background: var(--primary);
    color: #FFF;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 999px;
    letter-spacing: 0.5px;
  }
  .four-card.special .badge { background: var(--accent); }
  .four-card h3 { font-size: 22px; font-weight: 700; margin: 8px 0 12px; }
  .four-card .one-liner { font-size: 16px; color: var(--ink-soft); margin-bottom: 16px; line-height: 1.6; }
  .four-card .compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
    font-size: 13px;
  }
  .four-card .compare > div { padding: 10px 12px; border-radius: 8px; }
  .four-card .compare .replace { background: #F5F0EC; color: var(--muted); }
  .four-card .compare .ours { background: var(--primary-light); color: var(--primary-dark); font-weight: 500; }
  .four-card .compare .label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; opacity: 0.7; }
  .moat-flag {
    display: inline-block;
    margin-top: 14px;
    padding: 4px 10px;
    background: #FFF4E5;
    color: #B26200;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
  }

  /* === §03 PIONEER · Industry-First === */
  .invent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 22px;
  }
  .invent-card {
    background: var(--card);
    border: 1.5px solid var(--line);
    border-radius: 14px;
    padding: 32px;
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.2s;
  }
  .invent-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0,0,0,0.06); border-color: var(--gold); }
  .invent-firstbadge {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 5px 11px;
    border-radius: 5px;
    margin-bottom: 14px;
    background: linear-gradient(135deg, #E5A93C 0%, #B26200 100%);
    color: #FFF;
  }
  .invent-firstbadge.exclusive {
    background: linear-gradient(135deg, var(--accent) 0%, #1E3A5F 100%);
  }
  .invent-card h3 {
    font-size: 21px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    color: var(--ink);
  }
  .invent-card .subt {
    font-size: 14.5px;
    color: var(--ink-soft);
    line-height: 1.6;
    margin-bottom: 16px;
  }
  .invent-term {
    background: var(--gold-light);
    border-left: 3px solid var(--gold);
    padding: 12px 14px;
    margin: 12px 0 18px;
    font-size: 13.5px;
    color: var(--ink-soft);
    line-height: 1.55;
    border-radius: 0 8px 8px 0;
  }
  .term-name {
    display: inline-block;
    background: var(--ink);
    color: #FFF;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 12.5px;
    margin-right: 6px;
    letter-spacing: 0.3px;
  }
  .term-name-stack {
    display: block;
    width: fit-content;
    background: var(--ink);
    color: #FFF;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    line-height: 2;
    letter-spacing: 0.6px;
    margin: 0 0 12px 0;
  }
  .invent-list { list-style: none; padding: 0; margin: 0; }
  .invent-list li {
    font-size: 14px;
    color: var(--ink-soft);
    padding: 6px 0 6px 22px;
    position: relative;
    line-height: 1.6;
  }
  .invent-list li::before {
    content: "⚑";
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
  }
  .invent-list li strong { color: var(--ink); font-weight: 600; }
  .term-tag {
    display: inline-block;
    background: var(--ink);
    color: #FFF;
    padding: 1px 7px;
    border-radius: 3px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin: 0 2px;
  }
  .invent-vs {
    margin-top: 16px;
    padding: 12px 14px;
    background: var(--card-warm);
    border-radius: 8px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.65;
  }
  .invent-vs strong { color: var(--primary); font-weight: 600; }

  /* === §04 THREE CHANNELS === */
  .three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .three-card {
    background: var(--card);
    border-radius: 14px;
    padding: 36px 32px;
    border-top: 4px solid;
  }
  .three-card.merchant { border-color: var(--primary); }
  .three-card.org { border-color: var(--accent); }
  .three-card.individual { border-color: #6B8E23; }
  .three-card .icon { font-size: 36px; margin-bottom: 16px; }
  .three-card h4 { font-size: 22px; margin-bottom: 8px; font-weight: 700; }
  .three-card .role { font-size: 13px; color: var(--muted); margin-bottom: 24px; font-weight: 500; line-height: 1.55; }
  .case-block { margin-bottom: 22px; }
  .case-block:last-child { margin-bottom: 0; }
  .case-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 4px 10px;
    border-radius: 5px;
    margin-bottom: 10px;
  }
  .case-label.example { background: #ECE8E0; color: #6A6258; }
  .case-label.pain { background: #FFE0DA; color: #B23F31; }
  .case-label.gain { background: #E2EFDB; color: #4A7338; }
  .case-headline { font-size: 15px; color: var(--ink); font-weight: 600; line-height: 1.5; margin-bottom: 2px; }
  .case-meta { font-size: 13px; color: var(--muted); }
  .case-list { list-style: none; padding: 0; margin: 0; }
  .case-list li { position: relative; padding: 6px 0 6px 18px; font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
  .case-list li::before { content: ""; position: absolute; left: 4px; top: 14px; width: 5px; height: 5px; border-radius: 50%; background: var(--muted); }
  .case-list li strong { color: var(--ink); font-weight: 600; }
  .three-card.org .engine {
    margin-top: 24px;
    padding: 14px 16px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.5;
  }

  /* === §05 FUNNEL === */
  .funnel { max-width: 720px; margin: 0 auto; }
  .funnel-layer {
    background: var(--card);
    border: 1.5px solid var(--line);
    border-radius: 14px;
    padding: 24px 32px;
    margin-bottom: 16px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
  }
  .funnel-layer .layer-label {
    background: var(--primary);
    color: #FFF;
    width: 56px; height: 56px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 18px;
  }
  .funnel-layer.middle .layer-label { background: var(--accent); }
  .funnel-layer.top .layer-label { background: #6B8E23; }
  .funnel-layer .info h4 { font-size: 19px; margin-bottom: 4px; }
  .funnel-layer .info p { font-size: 13px; color: var(--muted); }
  .funnel-layer .price { font-size: 16px; font-weight: 700; color: var(--primary); text-align: right; line-height: 1.4; }
  .funnel-layer.middle .price { color: var(--accent); }
  .funnel-layer.top .price { color: #6B8E23; }
  .funnel-layer .price .original { font-size: 12px; color: var(--muted); text-decoration: line-through; font-weight: 400; }
  .arrow-down { text-align: center; color: var(--muted); font-size: 14px; margin: -8px 0 8px; }
  /* === Pricing comparison === */
  .pc-section-title {
    margin-top: 64px;
    margin-bottom: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.3px;
  }
  .pc-section-lede {
    font-size: 15px;
    color: var(--muted);
    margin-bottom: 24px;
  }
  .pc-table-wrap { overflow-x: auto; }
  .pc-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    font-size: 14px;
    min-width: 720px;
  }
  .pc-table thead { background: #EFEAE0; }
  .pc-table th {
    text-align: left;
    padding: 14px 16px;
    font-size: 11.5px;
    font-weight: 800;
    color: var(--ink-soft);
    letter-spacing: 1px;
    border-bottom: 1.5px solid var(--line);
  }
  .pc-table th.ours-th { color: var(--primary-dark); background: var(--primary-light); }
  .pc-table td {
    padding: 14px 16px;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--line);
    line-height: 1.55;
    vertical-align: top;
  }
  .pc-table tr:last-child td { border-bottom: 0; }
  .pc-table td:first-child { font-weight: 600; color: var(--ink); }
  .pc-table td.market-price { color: #B23F31; font-weight: 600; font-size: 13.5px; }
  .pc-table td.ours-cell { background: #FFF5F2; color: var(--ink); font-weight: 500; }
  .pc-table td.ours-price { color: var(--primary-dark); font-weight: 700; background: var(--primary-light); }
  .pc-summary {
    margin-top: 32px;
    background: linear-gradient(135deg, var(--ink) 0%, #2A2A2A 100%);
    color: #FFF;
    border-radius: 16px;
    padding: 36px 40px;
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: 32px;
    align-items: center;
  }
  .pc-summary .label { font-size: 11px; letter-spacing: 1.5px; color: #BBB; margin-bottom: 8px; font-weight: 700; }
  .pc-summary .amount { font-size: 22px; font-weight: 700; line-height: 1.3; }
  .pc-summary .sub { font-size: 12px; color: #BBB; margin-top: 4px; }
  .pc-summary .pc-vs { font-size: 18px; color: var(--muted); font-weight: 600; }
  .pc-summary .pc-total-ours .amount { color: #FF9E8A; }
  .pc-summary .pc-saving {
    background: var(--primary);
    padding: 14px 22px;
    border-radius: 12px;
    text-align: center;
    font-size: 13px;
    line-height: 1.3;
  }
  .pc-summary .pc-saving strong { font-size: 26px; display: block; margin-top: 4px; }

  @media (max-width: 768px) {
    .pc-summary { grid-template-columns: 1fr; text-align: center; gap: 16px; padding: 28px 24px; }
    .pc-summary .pc-vs { display: none; }
  }

  /* === Zero-fee banner (the killer pain) === */
  .zero-fee-banner {
    margin-top: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, #B23F31 100%);
    color: #FFF;
    border-radius: 16px;
    padding: 56px 40px;
    text-align: center;
    box-shadow: 0 12px 36px rgba(216, 88, 71, 0.18);
  }
  .zfb-label {
    font-size: 12px;
    letter-spacing: 2.5px;
    font-weight: 800;
    color: #FFD7CD;
    margin-bottom: 18px;
  }
  .zfb-pre {
    font-size: 22px;
    color: #FFE8E3;
    margin-bottom: 14px;
    font-weight: 500;
    line-height: 1.4;
  }
  .zfb-headline {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
  }
  .zfb-headline .pct {
    color: #FFE150;
    font-size: 64px;
  }
  .zfb-tail {
    font-size: 18px;
    color: #FFE8E3;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 28px;
  }
  .zfb-vs-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
  }
  .zfb-vs-pill {
    background: rgba(0, 0, 0, 0.22);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: #FFF;
    font-weight: 500;
    letter-spacing: 0.2px;
  }
  @media (max-width: 768px) {
    .zero-fee-banner { padding: 40px 24px; }
    .zfb-headline { font-size: 36px; }
    .zfb-headline .pct { font-size: 42px; }
    .zfb-pre { font-size: 17px; }
    .zfb-tail { font-size: 15px; }
  }

  .promise-banner {
    margin-top: 32px;
    background: var(--ink);
    color: #FFF;
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
  }
  .promise-banner .label { font-size: 26px; font-weight: 700; color: #FF9E8A; letter-spacing: 1px; margin-bottom: 20px; line-height: 1.4; }
  .promise-banner .vow { font-size: 40px; font-weight: 800; line-height: 1.5; letter-spacing: 1px; }
  .promise-banner .vow .dot { color: #FF9E8A; }

  /* === §06 FLYWHEEL === */
  .flywheel { background: var(--card); border: 1.5px solid var(--line); border-radius: 16px; padding: 40px; }
  .flywheel-step {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 20px;
    align-items: start;
    padding: 18px 0;
    border-bottom: 1px dashed var(--line);
  }
  .flywheel-step:last-child { border-bottom: 0; }
  .flywheel-step .step-num {
    width: 44px; height: 44px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 18px;
  }
  .flywheel-step h5 { font-size: 17px; margin-bottom: 4px; }
  .flywheel-step p { font-size: 14px; color: var(--ink-soft); }

  /* === §07 PHASES === */
  .phase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .phase-card { padding: 28px; border-radius: 14px; }
  .phase-card.now { background: var(--primary-light); border: 2px solid var(--primary); }
  .phase-card.next { background: var(--card); border: 1.5px solid var(--line); }
  .phase-card.future { background: var(--card); border: 1.5px solid var(--line); opacity: 0.85; }
  .phase-card .when { font-size: 12px; letter-spacing: 1.5px; font-weight: 700; margin-bottom: 8px; }
  .phase-card.now .when { color: var(--primary-dark); }
  .phase-card.next .when, .phase-card.future .when { color: var(--muted); }
  .phase-card h4 { font-size: 20px; margin-bottom: 12px; }
  .phase-card ul { list-style: none; padding: 0; }
  .phase-card li { font-size: 14px; color: var(--ink-soft); padding: 4px 0 4px 20px; position: relative; line-height: 1.5; }
  .phase-card li::before { content: "·"; position: absolute; left: 8px; font-weight: 800; color: var(--primary); }
  .northstar {
    margin-top: 48px;
    background: linear-gradient(135deg, var(--accent) 0%, #1E3A5F 100%);
    color: #FFF;
    border-radius: 16px;
    padding: 40px 48px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
  }
  .northstar .label { font-size: 12px; letter-spacing: 2px; color: #B5C9E2; margin-bottom: 8px; }
  .northstar h3 { font-size: 22px; line-height: 1.4; }
  .northstar .num { font-size: 64px; font-weight: 800; line-height: 1; }
  .northstar .num small { font-size: 18px; font-weight: 500; opacity: 0.8; }

  /* === Closer === */
  .closer { text-align: center; padding: 120px 32px; background: linear-gradient(180deg, var(--bg) 0%, #F0EBE3 100%); }
  .closer .label { font-size: 13px; color: var(--primary); letter-spacing: 2px; font-weight: 700; margin-bottom: 16px; }
  .closer h2 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--ink);
    max-width: 800px;
    margin: 0 auto 24px;
    letter-spacing: -1px;
  }
  .closer h2 .em { color: var(--primary); }
  .closer p { font-size: 19px; color: var(--ink-soft); max-width: 600px; margin: 0 auto; }
  .closer .signature { margin-top: 56px; font-size: 13px; color: var(--muted); letter-spacing: 1px; }

  /* === Responsive === */
  @media (max-width: 768px) {
    .hero h1 { font-size: 38px; }
    .hero .subtitle { font-size: 17px; }
    .hero .anchors { grid-template-columns: 1fr; }
    .section-title { font-size: 28px; }
    .four-grid { grid-template-columns: 1fr; }
    .invent-grid { grid-template-columns: 1fr; }
    .three-grid { grid-template-columns: 1fr; }
    .phase-grid { grid-template-columns: 1fr; }
    .funnel-layer { grid-template-columns: 1fr; text-align: center; gap: 12px; }
    .funnel-layer .layer-label { margin: 0 auto; }
    .funnel-layer .price { text-align: center; }
    .northstar { grid-template-columns: 1fr; text-align: center; }
    .closer h2 { font-size: 36px; }
    .relation-banner .big { font-size: 22px; }
    .promise-banner .vow { font-size: 26px; }
    .lang-switch { top: 12px; right: 12px; }
    .lang-btn { padding: 6px 14px; font-size: 12px; }
  }

  /* === Sticky Top Nav (landing chrome · 5-05) === */
  .top-nav {
    position: sticky; top: 0; z-index: 90;
    background: rgba(250,247,242,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .top-nav-inner {
    max-width: 1180px; margin: 0 auto;
    padding: 14px 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
  }
  .top-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 15px; color: var(--ink); }
  .brand-mark { background: var(--primary); color: #fff; width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; }
  .top-links { display: flex; gap: 44px; flex: 1; justify-content: center; }
  .top-links a {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.5px;
    padding: 6px 0;
    position: relative;
    transition: color 0.2s;
  }
  .top-links a::after {
    content: '';
    position: absolute;
    left: 50%; bottom: 0;
    width: 0; height: 2px;
    background: var(--primary);
    transition: all 0.25s ease;
    transform: translateX(-50%);
  }
  .top-links a:hover { color: var(--primary); }
  .top-links a:hover::after { width: 100%; }
  .top-links a.active { color: var(--primary); font-weight: 800; }
  .top-links a.active::after { width: 100%; }
  .top-cta { padding: 9px 18px; border-radius: 999px; background: var(--primary); color: #fff !important; font-size: 13px; font-weight: 700; box-shadow: 0 4px 14px rgba(216,88,71,0.25); transition: all 0.2s; }
  .top-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }

  /* === Hero CTA buttons === */
  .hero-cta-row { display: flex; gap: 14px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
  .hero-cta { padding: 14px 28px; border-radius: 999px; font-size: 15px; font-weight: 700; transition: all 0.2s; }
  .hero-cta.primary { background: var(--primary); color: #fff !important; box-shadow: 0 8px 24px rgba(216,88,71,0.25); }
  .hero-cta.primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
  .hero-cta.secondary { background: #fff; color: var(--ink) !important; border: 1.5px solid var(--line); }
  .hero-cta.secondary:hover { border-color: var(--ink); }

  /* === §02 4-card images / §04 3-card images === */
  .four-card-img, .three-card-img { display: block; width: 100%; max-width: 520px; height: auto; margin: 18px auto 0; border-radius: 12px; box-shadow: 0 12px 36px rgba(0,0,0,0.08); }

  /* === §04 three-rows alternating layout (case + 大图) === */
  .three-rows { display: flex; flex-direction: column; gap: 80px; }
  .three-row {
    display: grid;
    grid-template-columns: 35fr 65fr;
    gap: 56px;
    align-items: center;
  }
  .three-row.reverse {
    grid-template-columns: 65fr 35fr;
  }
  .three-text { text-align: left; }
  .three-text .icon {
    display: inline-block;
    font-size: 36px;
    line-height: 1;
    margin: 0 14px 0 0;
    vertical-align: middle;
    filter: grayscale(0.15);
    opacity: 0.92;
  }
  .three-text h4 { display: inline-block; vertical-align: middle; }
  .three-text h4 {
    font-size: 38px;
    font-weight: 900;
    letter-spacing: -0.5px;
    line-height: 1.15;
    margin-bottom: 14px;
    color: var(--ink);
  }
  .three-text.merchant h4 { color: var(--primary); }
  .three-text.org h4 { color: var(--accent); }
  .three-text.individual h4 { color: var(--gold); }
  .three-text .role {
    font-size: 14px;
    color: var(--muted);
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    line-height: 1.5;
  }
  .three-text .case-block { margin-top: 18px; }
  @media (max-width: 880px) {
    .three-text h4 { font-size: 30px; }
    .three-text .icon { font-size: 44px; }
  }
  .three-visual { display: flex; align-items: center; justify-content: center; }
  .three-row-img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.10);
  }
  @media (max-width: 880px) {
    .three-row, .three-row.reverse { grid-template-columns: 1fr; gap: 24px; }
    .three-row.reverse .three-visual { order: -1; }
    .three-row .three-visual { order: -1; }
  }

  /* === Vow chip (横排三承诺) === */
  .vow-chip {
    display: inline-block;
    padding: 10px 22px;
    margin: 6px 8px 6px 0;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 999px;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 0.5px;
  }

  /* === §04+ three-type real cases (商户/机构/邻居 各 3 case mini grid) === */
  .cases-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: start;
    margin-bottom: 48px;
  }
  .cases-col-label { padding-top: 8px; }
  .cases-col-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .cases-col-tag.merchant { background: var(--primary-light); color: var(--primary-dark); }
  .cases-col-tag.org { background: #E5EDF7; color: var(--accent); }
  .cases-col-tag.individual { background: var(--gold-light); color: var(--gold); }
  .cases-col-label h4 { font-size: 18px; font-weight: 800; color: var(--ink); }
  .cases-col-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
  .case-mini {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px 18px;
    transition: all 0.2s;
  }
  .case-mini:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.06); }
  .case-mini-head { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; margin-bottom: 14px; }
  .case-mini-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 800;
  }
  .case-mini-avatar.zh { background: linear-gradient(135deg, #D85847 0%, #B23F31 100%); }
  .case-mini-avatar.realtor { background: linear-gradient(135deg, #2C5282 0%, #1F3A5C 100%); }
  .case-mini-avatar.insurance { background: linear-gradient(135deg, #4A7338 0%, #355428 100%); }
  .case-mini-avatar.church { background: linear-gradient(135deg, #6D4ABF 0%, #4A2D8A 100%); }
  .case-mini-avatar.chamber { background: linear-gradient(135deg, #C68A2E 0%, #92640A 100%); }
  .case-mini-avatar.comm { background: linear-gradient(135deg, #5C8FBA 0%, #3D6B92 100%); }
  .case-mini-avatar.john { background: linear-gradient(135deg, #2C5282 0%, #1F3A5C 100%); }
  .case-mini-avatar.lao { background: linear-gradient(135deg, #C68A2E 0%, #92640A 100%); }
  .case-mini-avatar.maria { background: linear-gradient(135deg, #D85847 0%, #B23F31 100%); }
  .case-mini-name { font-size: 14px; font-weight: 800; color: var(--ink); margin-bottom: 2px; }
  .case-mini-meta { font-size: 10px; color: var(--muted); letter-spacing: 0.05em; line-height: 1.4; }
  .case-mini-quote { font-size: 12.5px; color: var(--ink-soft); line-height: 1.65; font-style: italic; }
  @media (max-width: 880px) {
    .cases-row { grid-template-columns: 1fr; gap: 16px; }
    .cases-col-grid { grid-template-columns: 1fr; }
  }

  /* === Cross-language banner === */
  .xlang-banner {
    padding: 80px 24px;
    background: linear-gradient(135deg, #2C5282 0%, #1F3A5C 100%);
    color: #fff;
    text-align: center;
  }
  .xlang-banner .container { max-width: 880px; }
  .xlang-tag {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #C68A2E;
    font-weight: 700;
    margin-bottom: 18px;
  }
  .xlang-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: 2px;
  }
  .xlang-desc {
    font-size: 18px;
    color: #cbd5e1;
    line-height: 1.7;
    max-width: 720px;
    margin: 0 auto;
  }
  @media (max-width: 768px) {
    .xlang-banner { padding: 56px 20px; }
    .xlang-title { font-size: 30px; }
    .xlang-desc { font-size: 15px; }
  }

  /* === Sub-page brand slogan line === */
  .brand-slogan-line {
    display: inline-block;
    padding: 8px 18px;
    background: linear-gradient(135deg, rgba(216,88,71,0.08) 0%, rgba(216,88,71,0.04) 100%);
    border-left: 3px solid var(--primary);
    color: var(--primary-dark);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1.2px;
    margin: 0 0 12px;
    border-radius: 4px;
  }
  /* === Scene slogan line (per-page subhead under brand slogan) === */
  .scene-slogan {
    display: block;
    font-size: 14px;
    color: var(--muted);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin: 0 0 24px;
    font-style: italic;
  }
  .hero .scene-slogan { margin-bottom: 28px; }

  /* === Final CTA section === */
  .final-cta-section {
    background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
    color: #fff; padding: 80px 0; text-align: center;
  }
  .final-cta-section h2 { font-size: 42px; font-weight: 900; margin-bottom: 16px; line-height: 1.25; }
  .final-cta-section h2 .em { color: var(--primary); }
  .final-cta-section p { font-size: 17px; color: #cbd5e1; margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }
  .final-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .final-cta-section .hero-cta.secondary { background: rgba(255,255,255,0.08); color: #fff !important; border-color: rgba(255,255,255,0.2); }
  .final-cta-section .hero-cta.secondary:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.12); }

  /* === Footer === */
  .site-footer { background: #FAF7F2; border-top: 1px solid var(--line); padding: 56px 0 32px; }
  .footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-brand p { color: var(--ink-soft); font-size: 13px; margin-top: 12px; max-width: 320px; line-height: 1.6; }
  .footer-col h5 { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
  .footer-col a, .footer-col span { display: block; font-size: 13px; color: var(--ink-soft); padding: 4px 0; }
  .footer-col a:hover { color: var(--primary); }
  .footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; font-size: 12px; color: var(--muted); text-align: center; }

  @media (max-width: 768px) {
    .top-links { display: none; }
    .top-nav-inner { padding: 10px 16px; }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
    .final-cta-section h2 { font-size: 32px; }
  }