/* CSS Variables - Light Mode */ :root { --bg: #f8f9fa; --bg-soft: #ffffff; --card: #ffffff; --border: rgba(0, 0, 0, 0.08); --text: #1a1a2e; --text-secondary: #6c757d; --muted: #868e96; --accent: #ff8a5b; --accent-hover: #ff6f3d; --accent-2: #2fd7c4; --shadow: 0 4px 20px rgba(0, 0, 0, 0.08); --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12); --radius: 16px; --radius-sm: 10px; --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; } /* Dark Mode */ @media (prefers-color-scheme: dark) { :root { --bg: #0b0f14; --bg-soft: #121923; --card: rgba(21, 28, 39, 0.92); --border: rgba(255, 255, 255, 0.1); --text: #f5f7fb; --text-secondary: #c9d1d9; --muted: #8b949e; --shadow: 0 4px 20px rgba(0, 0, 0, 0.3); --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5); } } /* Reset */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { font-family: var(--font-sans); color: var(--text); background: var(--bg); line-height: 1.6; min-height: 100vh; } /* ============================================ Content versioning Blocks carry data-v="1" (basic only) or data-v="2" (full only). Hidden by default; the version class on reveals one side. ============================================ */ [data-v] { display: none; } .v-full [data-v="2"], .v-basic [data-v="1"] { display: block; } .v-full a[data-v="2"], .v-basic a[data-v="1"] { display: inline-block; } /* Header */ .header { background: var(--bg-soft); border-bottom: 1px solid var(--border); } .header-container { max-width: 1200px; margin: 0 auto; padding: 16px 24px; display: flex; justify-content: center; align-items: center; position: relative; } .header-title { font-size: 18px; font-weight: 600; color: var(--text); } .header-container .lang-switcher { position: absolute; right: 24px; } [dir="rtl"] .header-container .lang-switcher { right: auto; left: 24px; } /* Language Switcher */ .lang-switcher { position: relative; } .lang-btn { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-soft); color: var(--text); cursor: pointer; font-size: 14px; transition: all 0.2s; } .lang-btn:hover { border-color: var(--accent); } .lang-arrow { font-size: 10px; opacity: 0.6; } .lang-dropdown { position: absolute; top: calc(100% + 8px); right: 0; min-width: 140px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.2s; z-index: 200; } [dir="rtl"] .lang-dropdown { right: auto; left: 0; } .lang-dropdown.show { opacity: 1; visibility: visible; transform: translateY(0); } .lang-option { display: block; width: 100%; padding: 10px 16px; border: none; background: none; color: var(--text); text-align: left; cursor: pointer; font-size: 14px; transition: background 0.2s; } [dir="rtl"] .lang-option { text-align: right; } .lang-option:hover { background: var(--border); } .lang-option:first-child { border-radius: var(--radius-sm) var(--radius-sm) 0 0; } .lang-option:last-child { border-radius: 0 0 var(--radius-sm) var(--radius-sm); } /* Anchor Nav */ .anchor-nav { position: sticky; top: 0; z-index: 100; background: var(--bg-soft); border-bottom: 1px solid var(--border); } .anchor-nav-inner { max-width: 900px; margin: 0 auto; padding: 10px 24px; display: flex; gap: 10px; overflow-x: auto; } .anchor-link { flex-shrink: 0; padding: 6px 16px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-secondary); text-decoration: none; font-size: 14px; transition: all 0.2s; } .anchor-link:hover { border-color: var(--accent); color: var(--accent); } /* Main */ .main { max-width: 900px; margin: 0 auto; padding: 24px 24px 60px; } .section { margin-bottom: 50px; } .section-title { font-size: 24px; font-weight: 700; margin-bottom: 24px; text-align: center; } /* Tutorial Nav */ .tutorial-nav { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 24px; } .tutorial-nav-link { padding: 6px 16px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-soft); color: var(--text-secondary); text-decoration: none; font-size: 13px; transition: all 0.2s; } .tutorial-nav-link:hover { border-color: var(--accent); color: var(--accent); } /* Tutorial Cards */ .tutorial-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; scroll-margin-top: 70px; transition: box-shadow 0.2s; } .tutorial-card:hover { box-shadow: var(--shadow); } .tutorial-title { font-size: 17px; font-weight: 600; margin-bottom: 14px; } .tutorial-steps { padding-left: 22px; color: var(--text-secondary); } [dir="rtl"] .tutorial-steps { padding-left: 0; padding-right: 22px; } .tutorial-steps li { margin-bottom: 8px; line-height: 1.7; } /* FAQ */ .faq-category { margin-bottom: 28px; } .faq-category-title { font-size: 16px; font-weight: 600; color: var(--muted); margin-bottom: 12px; padding-left: 4px; } [dir="rtl"] .faq-category-title { padding-left: 0; padding-right: 4px; } .faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; transition: box-shadow 0.2s; } .faq-item:hover { box-shadow: var(--shadow); } .faq-question { width: 100%; padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; border: none; background: none; color: var(--text); font-size: 15px; font-weight: 500; text-align: left; cursor: pointer; transition: background 0.2s; } [dir="rtl"] .faq-question { text-align: right; } .faq-question:hover { background: var(--border); } .faq-arrow { flex-shrink: 0; font-size: 12px; color: var(--muted); transition: transform 0.3s; } .faq-item.open .faq-arrow { transform: rotate(180deg); } .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; } .faq-item.open .faq-answer { max-height: 1000px; } .faq-answer > * { padding: 0 20px; } .faq-answer > *:last-child { padding-bottom: 20px; } .faq-answer p { margin-bottom: 12px; color: var(--text-secondary); line-height: 1.7; } .faq-answer ol { margin-bottom: 12px; padding-left: 40px; color: var(--text-secondary); } [dir="rtl"] .faq-answer ol { padding-left: 20px; padding-right: 40px; } .faq-answer li { margin-bottom: 8px; line-height: 1.7; } /* Contact Section */ .contact-section { text-align: center; padding: 40px 24px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 50px; } .contact-desc { color: var(--muted); margin-bottom: 24px; } .contact-card { max-width: 480px; margin: 0 auto; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; } .contact-email-label { font-size: 13px; color: var(--muted); margin-bottom: 10px; } .contact-email-row { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; } .contact-email { color: var(--text); font-size: 16px; font-weight: 500; text-decoration: none; word-break: break-all; } .copy-btn { padding: 6px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-soft); color: var(--text-secondary); cursor: pointer; font-size: 13px; transition: all 0.2s; } .copy-btn:hover { border-color: var(--accent); color: var(--accent); } .email-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 32px; background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: white; text-decoration: none; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; transition: transform 0.2s, box-shadow 0.2s; } .email-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(255, 138, 91, 0.4); } /* Toast */ .toast { position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%) translateY(100px); padding: 14px 28px; background: var(--text); color: var(--bg); border-radius: 999px; font-size: 15px; font-weight: 500; opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 1000; box-shadow: var(--shadow-lg); } .toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); } /* Footer */ .footer { text-align: center; padding: 30px 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; } .footer-copyright { font-size: 13px; opacity: 0.7; } /* Responsive */ @media (max-width: 600px) { .header-container { padding: 12px 16px; } .header-container .lang-switcher { right: 16px; } [dir="rtl"] .header-container .lang-switcher { left: 16px; } .anchor-nav-inner { padding: 10px 16px; } .main { padding: 24px 16px 40px; } .tutorial-card { padding: 20px 16px; } .faq-question { padding: 14px 16px; font-size: 14px; } .faq-answer > * { padding: 0 16px; } .contact-section { padding: 30px 16px; } .contact-card { padding: 20px 16px; } }