*{margin:0;padding:0;box-sizing:border-box}a{text-decoration:none;color:inherit}:root{--ink: #171717;--on-primary: #ffffff;--body: #4d4d4d;--mute: #888888;--hairline: #ebebeb;--hairline-strong: #a1a1a1;--canvas: #ffffff;--canvas-soft: #fafafa;--canvas-soft-2: #f5f5f5;--link: #0070f3;--link-deep: #0761d1;--link-bg-soft: #d3e5ff;--success: #0070f3;--error: #ee0000;--warning: #f5a623;--violet: #7928ca;--cyan: #50e3c2;--highlight-pink: #ff0080;--gradient-develop: linear-gradient(90deg, #007cf0, #00dfd8);--gradient-preview: linear-gradient(90deg, #7928ca, #ff0080);--gradient-ship: linear-gradient(90deg, #ff4d4d, #f9cb28);--gradient-mesh: radial-gradient(circle at 16% 18%, rgba(0, 124, 240, .22), transparent 28%), radial-gradient(circle at 58% 4%, rgba(121, 40, 202, .18), transparent 26%), radial-gradient(circle at 86% 22%, rgba(255, 0, 128, .14), transparent 24%), radial-gradient(circle at 62% 70%, rgba(80, 227, 194, .16), transparent 28%), radial-gradient(circle at 24% 82%, rgba(249, 203, 40, .16), transparent 24%);--primary: var(--ink);--primary-color: var(--ink);--primary-dark: #0a0a0a;--accent-color: var(--hairline-strong);--text-primary: var(--ink);--text-secondary: var(--body);--text-light: var(--mute);--bg-white: var(--canvas);--bg-light: var(--canvas-soft);--bg-gray: var(--canvas-soft-2);--bg-dark: var(--ink);--border: var(--hairline);--gradient-blue: var(--ink);--shadow-inset: inset 0 0 0 1px rgba(0, 0, 0, .08);--shadow-level-1: var(--shadow-inset);--shadow-level-2: 0px 1px 1px rgba(0,0,0,.02), 0px 2px 2px rgba(0,0,0,.04), var(--shadow-inset);--shadow-level-3: 0px 2px 2px rgba(0,0,0,.04), 0px 8px 8px -8px rgba(0,0,0,.04), var(--shadow-inset);--shadow-level-4: 0px 2px 2px rgba(0,0,0,.04), 0px 8px 16px -4px rgba(0,0,0,.04), var(--shadow-inset);--shadow-level-5: 0px 1px 1px rgba(0,0,0,.02), 0px 8px 16px -4px rgba(0,0,0,.04), 0px 24px 32px -8px rgba(0,0,0,.06), var(--shadow-inset);--shadow-sm: var(--shadow-level-2);--shadow-md: var(--shadow-level-3);--shadow-lg: 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var(--space-md))}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--ink);background:var(--canvas-soft);line-height:1.6;overflow-x:hidden;text-size-adjust:100%;-webkit-text-size-adjust:100%}main{min-height:100vh}img,video,svg,canvas{max-width:100%}input,select,textarea,button{font:inherit}input,select,textarea{min-width:0}.social-icon-row{display:flex;align-items:center;gap:var(--space-xs);flex-wrap:nowrap}.social-icon-row--feature{justify-content:center;gap:var(--space-sm)}.social-icon-link{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;flex:0 0 auto;border-radius:var(--radius-full);border:0;background:transparent;color:var(--ink);transition:opacity .2s ease,transform .2s ease}.social-icon-row--feature .social-icon-link{width:40px;height:40px;border:1px solid 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24px;border-radius:var(--radius-pill);text-decoration:none;border:none;cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease}.btn-primary:hover{background:#333;transform:translateY(-1px);box-shadow:var(--shadow-level-3)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;background:var(--canvas);color:var(--ink);font-family:var(--font-sans);font-size:var(--button-lg-size);font-weight:var(--button-lg-weight);line-height:var(--button-lg-line);min-height:48px;padding:0 24px;border-radius:var(--radius-pill);text-decoration:none;border:1px solid var(--hairline);cursor:pointer;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}.btn-secondary:hover{border-color:var(--hairline-strong);transform:translateY(-1px);box-shadow:var(--shadow-level-2)}.card-marketing{background:var(--canvas);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow-level-3);border:1px solid var(--hairline)}.card-marketing-large{background:var(--canvas);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-level-4);border:1px solid var(--hairline)}.card-soft{background:var(--canvas-soft);border-radius:var(--radius-md);padding:var(--space-lg)}.badge-secondary{display:inline-flex;align-items:center;background:var(--canvas-soft-2);color:var(--body);font-size:var(--caption-size);font-weight:var(--caption-weight);line-height:var(--caption-line);padding:2px 8px;border-radius:var(--radius-full)}.tab-ghost{display:inline-flex;align-items:center;background:var(--canvas);color:var(--ink);font-size:var(--body-sm-size);font-weight:var(--body-sm-weight);line-height:var(--body-sm-line);padding:0 var(--space-md);border-radius:var(--radius-pill-sm);border:none;cursor:pointer;transition:all .2s ease}.tab-ghost:hover,.tab-ghost.active{background:var(--ink);color:var(--on-primary)}.link-inline{color:var(--link);font-size:var(--body-md-size);font-weight:var(--body-md-weight);text-decoration:underline;text-underline-offset:2px}.link-inline:hover{color:var(--link-deep)}.caption-mono{font-family:var(--font-mono);font-size:var(--caption-size);font-weight:var(--caption-weight);line-height:var(--caption-line);letter-spacing:0;color:var(--mute)}.back-to-top{position:fixed;right:2rem;bottom:2rem;width:44px;height:44px;background:var(--ink);border:none;border-radius:var(--radius-md);color:var(--on-primary);cursor:pointer;z-index:1000;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-level-4)}.back-to-top:not(.hidden){opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:#333;transform:translateY(-3px)}::selection{background:var(--ink);color:var(--on-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--canvas-soft)}::-webkit-scrollbar-thumb{background:var(--hairline-strong);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--mute)}@media(max-width:768px){:root{--section-padding: var(--space-4xl) var(--space-md)}body{-webkit-tap-highlight-color:transparent;touch-action:manipulation}.back-to-top{right:1rem;bottom:1rem;width:40px;height:40px}.section-title{margin-bottom:var(--space-lg)}}@media(min-width:769px)and (max-width:1024px){:root{--section-padding: var(--space-4xl) var(--space-lg)}}.navbar[data-astro-cid-ymhdp2rl]{position:fixed;top:0;left:0;right:0;z-index:1000;background:#ffffffdb;backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--hairline);transition:all .3s ease}.navbar[data-astro-cid-ymhdp2rl].scrolled{background:#fffffff0;box-shadow:var(--shadow-level-2)}.navbar-inner[data-astro-cid-ymhdp2rl]{max-width:var(--container-wide-width);margin:0 auto;padding:0 var(--space-lg);height:64px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg)}.navbar-logo[data-astro-cid-ymhdp2rl]{display:flex;align-items:center;gap:var(--space-xs);text-decoration:none;color:var(--ink);flex-shrink:0}.logo-icon[data-astro-cid-ymhdp2rl]{width:30px;height:30px;object-fit:contain}.navbar-logo[data-astro-cid-ymhdp2rl] span[data-astro-cid-ymhdp2rl]{font-family:var(--font-sans);font-size:var(--body-md-size);font-weight:600;white-space:nowrap;letter-spacing:var(--display-sm-tracking)}.navbar-menu[data-astro-cid-ymhdp2rl]{display:flex;align-items:center;list-style:none;gap:var(--space-xxs);margin:0;padding:0}.navbar-menu[data-astro-cid-ymhdp2rl] a[data-astro-cid-ymhdp2rl]{display:inline-flex;align-items:center;justify-content:center;color:var(--body);text-decoration:none;font-family:var(--font-sans);font-size:var(--body-sm-size);font-weight:var(--body-sm-weight);line-height:var(--body-sm-line);min-height:36px;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-full);transition:background .2s ease,color .2s ease,box-shadow .2s ease;white-space:nowrap;position:relative}.navbar-menu[data-astro-cid-ymhdp2rl] a[data-astro-cid-ymhdp2rl]:hover{background:var(--canvas-soft-2);color:var(--ink)}.navbar-menu[data-astro-cid-ymhdp2rl] a[data-astro-cid-ymhdp2rl].active{background:var(--canvas);color:var(--ink);font-weight:500;box-shadow:var(--shadow-level-1)}.nav-actions[data-astro-cid-ymhdp2rl]{display:flex;align-items:center;gap:var(--space-xs);flex-shrink:0}.language-switch[data-astro-cid-ymhdp2rl],.mobile-language-link[data-astro-cid-ymhdp2rl]{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 var(--space-sm);border:1px solid var(--hairline);border-radius:var(--radius-full);background:var(--canvas);color:var(--ink);font-size:var(--body-sm-size);font-weight:600;text-decoration:none;transition:background .2s ease,border-color .2s 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.mobile-language-link[data-astro-cid-ymhdp2rl]{margin-top:var(--space-xs);width:100%;border-radius:var(--radius-md)}@media(max-width:1060px){.navbar-menu[data-astro-cid-ymhdp2rl]{display:none}.mobile-toggle[data-astro-cid-ymhdp2rl]{display:flex}}.footer[data-astro-cid-sz7xmlte]{background:var(--canvas);color:var(--body);padding:var(--space-4xl) 0 var(--space-xl);border-top:1px solid var(--hairline)}.container[data-astro-cid-sz7xmlte]{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--space-lg)}.footer-main[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:minmax(240px,1.4fr) repeat(3,minmax(120px,.7fr)) minmax(220px,1fr);gap:var(--space-xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--hairline)}.footer-logo[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:var(--space-xs);margin-bottom:var(--space-md)}.footer-logo-icon[data-astro-cid-sz7xmlte]{width:36px;height:36px;flex-shrink:0;object-fit:contain}.footer-logo[data-astro-cid-sz7xmlte] span[data-astro-cid-sz7xmlte]{font-family:var(--font-sans);font-size:var(--body-md-size);font-weight:600;color:var(--ink);letter-spacing:-.02em}.footer-desc[data-astro-cid-sz7xmlte]{font-size:var(--body-sm-size);line-height:var(--body-sm-line);color:var(--mute);margin:0;max-width:320px}.footer-links-group[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte],.footer-contact[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{font-family:var(--font-mono);font-size:var(--caption-size);font-weight:var(--caption-weight);line-height:var(--caption-line);letter-spacing:0;color:var(--mute);margin:0 0 var(--space-md) 0}.footer-links-group[data-astro-cid-sz7xmlte] 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svg[data-astro-cid-sz7xmlte]{flex-shrink:0;color:var(--mute)}.social-links[data-astro-cid-sz7xmlte]{display:flex;align-items:center;justify-content:flex-start;margin-top:var(--space-md)}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-lg)}.footer-copyright[data-astro-cid-sz7xmlte]{font-size:var(--caption-size);color:var(--mute)}.footer-beian[data-astro-cid-sz7xmlte]{font-size:var(--caption-size);color:var(--mute);text-decoration:none;transition:color .2s ease;display:inline-flex;align-items:center;gap:var(--space-xs)}.beian-icon[data-astro-cid-sz7xmlte]{width:16px;height:16px;object-fit:contain;flex-shrink:0}.footer-beian[data-astro-cid-sz7xmlte]:hover{color:var(--ink)}@media(max-width:1024px){.footer-main[data-astro-cid-sz7xmlte]{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-xl)}}@media(max-width:640px){.footer[data-astro-cid-sz7xmlte]{padding:var(--space-xl) 0 var(--space-md)}.footer-main[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:var(--space-lg)}.footer-bottom[data-astro-cid-sz7xmlte]{flex-direction:column;gap:var(--space-xs);text-align:center}}