7 speed to 12 speed ebike

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/* Scope wrapper to prevent polluting the store's global theme */ .custom-article-section { --accent-color: #ff5a1f; /* Performance Electric Orange */ --accent-color-hover: #e04810; --text-main: #181c24; /* Deep Slate Carbon */ --text-muted: #525a66; /* Balanced Slate Gray */ --bg-surface: #ffffff; /* Clean Card White */ --bg-subtle: #f8f9fa; /* Light Gray Neutral */ --border-subtle: #e9ecef; /* Crisp Divider Border */ --border-focus: #ced4da; --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04); --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06); --radius-sm: 8px; --radius-md: 14px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text-main); background-color: transparent; line-height: 1.75; font-size: 16px; letter-spacing: -0.01em; max-width: 900px; margin: 0 auto; padding: 3px 20px 20px 20px; box-sizing: border-box; -webkit-font-smoothing: antialiased; } /* Reset & Typography */ .custom-article-section * { box-sizing: border-box; } .custom-article-section h2 { font-size: 1.85rem; font-weight: 700; line-height: 1.3; color: var(--text-main); margin-top: 3.2rem; margin-bottom: 1.25rem; letter-spacing: -0.025em; position: relative; padding-left: 14px; border-left: 4px solid var(--accent-color); } .custom-article-section h2:first-of-type { margin-top: 0; font-size: 2.2rem; border-left: none; padding-left: 0; padding-bottom: 1rem; border-bottom: 1px solid var(--border-subtle); } .custom-article-section h4 { font-size: 1.12rem; font-weight: 700; color: var(--text-main); margin-top: 2rem; margin-bottom: 0.6rem; display: inline-flex; align-items: center; background: var(--bg-subtle); padding: 5px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-subtle); letter-spacing: -0.01em; } .custom-article-section p { margin-top: 0; margin-bottom: 1.25rem; color: var(--text-muted); font-size: 1.05rem; font-weight: 400; } .custom-article-section strong { color: var(--text-main); font-weight: 600; } /* Modern Styled Lis