:root{--primary:#e94560;--primary-dark:#c73650;--primary-light:#ff6b81;--secondary:#533483;--accent:#0f3460;--bg:#f5f6fa;--bg-alt:#ffffff;--bg-card:#ffffff;--text:#1a1a2e;--text-secondary:#555770;--text-muted:#8b8da3;--border:#e4e6ef;--shadow:0 4px 20px rgba(26,26,46,.08);--shadow-lg:0 12px 40px rgba(26,26,46,.14);--shadow-hover:0 16px 48px rgba(233,69,96,.18);--gradient-primary:linear-gradient(135deg,#1a1a2e 0%,#16213e 40%,#0f3460 70%,#533483 100%);--gradient-accent:linear-gradient(135deg,#e94560 0%,#ff6b81 50%,#533483 100%);--gradient-card:linear-gradient(135deg,rgba(233,69,96,.06),rgba(83,52,131,.06));--glass-bg:rgba(255,255,255,.72);--glass-border:rgba(255,255,255,.35);--glass-shadow:0 8px 32px rgba(26,26,46,.12);--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-xl:32px;--transition:all .35s cubic-bezier(.25,.8,.25,1);--font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif}
@media(prefers-color-scheme:dark){:root{--bg:#0d0d1a;--bg-alt:#14142b;--bg-card:#1a1a33;--text:#e8e9f0;--text-secondary:#a8aac0;--text-muted:#6b6d85;--border:#2a2a45;--shadow:0 4px 20px rgba(0,0,0,.3);--shadow-lg:0 12px 40px rgba(0,0,0,.45);--shadow-hover:0 16px 48px rgba(233,69,96,.28);--glass-bg:rgba(26,26,51,.78);--glass-border:rgba(255,255,255,.08);--glass-shadow:0 8px 32px rgba(0,0,0,.4)}}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden;transition:background .4s ease,color .4s ease;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body::before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 20% 0%,rgba(233,69,96,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(83,52,131,.06) 0%,transparent 50%);pointer-events:none;z-index:0}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg-alt)}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}
header{position:relative;z-index:1;background:var(--gradient-primary);padding:0;overflow:hidden}
header::before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,rgba(233,69,96,.25) 0%,transparent 45%),radial-gradient(circle at 70% 60%,rgba(83,52,131,.3) 0%,transparent 45%),radial-gradient(circle at 50% 80%,rgba(15,52,96,.2) 0%,transparent 40%);animation:headerGlow 12s ease-in-out infinite alternate;pointer-events:none}
@keyframes headerGlow{0%{transform:translate(0,0) scale(1)}50%{transform:translate(-3%,2%) scale(1.05)}100%{transform:translate(2%,-2%) scale(1.02)}}
header h1{position:relative;z-index:2;color:#fff;font-size:clamp(1.4rem,3.5vw,2.4rem);font-weight:800;text-align:center;padding:2.5rem 1.5rem 1rem;letter-spacing:.02em;line-height:1.35;text-shadow:0 2px 20px rgba(233,69,96,.3)}
header h1::after{content:"";display:block;width:80px;height:4px;background:var(--gradient-accent);border-radius:2px;margin:1rem auto 0}
header nav{position:relative;z-index:2;padding:0 1.5rem 2rem;max-width:1200px;margin:0 auto}
header nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1rem;list-style:none}
header nav ul li a{display:inline-block;color:rgba(255,255,255,.85);text-decoration:none;font-size:.92rem;font-weight:500;padding:.45rem 1rem;border-radius:var(--radius-xl);background:rgba(255,255,255,.08);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);transition:var(--transition);white-space:nowrap}
header nav ul li a:hover,header nav ul li a:focus-visible{color:#fff;background:rgba(233,69,96,.35);border-color:rgba(233,69,96,.5);transform:translateY(-2px);box-shadow:0 6px 20px rgba(233,69,96,.3)}
main{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:2rem 1.25rem 3rem}
section{margin-bottom:3rem;animation:fadeInUp .7s ease-out both}
section:nth-child(1){animation-delay:.05s}
section:nth-child(2){animation-delay:.1s}
section:nth-child(3){animation-delay:.15s}
section:nth-child(4){animation-delay:.2s}
section:nth-child(5){animation-delay:.25s}
section:nth-child(6){animation-delay:.3s}
section:nth-child(7){animation-delay:.35s}
section:nth-child(8){animation-delay:.4s}
section:nth-child(9){animation-delay:.45s}
section:nth-child(10){animation-delay:.5s}
section:nth-child(11){animation-delay:.55s}
@keyframes fadeInUp{from{opacity:0;transform:translateY(36px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
h2{font-size:clamp(1.3rem,2.8vw,1.75rem);font-weight:800;color:var(--text);margin-bottom:1.5rem;padding-bottom:.75rem;position:relative;letter-spacing:.01em}
h2::after{content:"";position:absolute;bottom:0;left:0;width:56px;height:4px;background:var(--gradient-accent);border-radius:2px;transition:width .4s ease}
section:hover h2::after{width:100px}
h3{font-size:clamp(1.05rem,2.2vw,1.25rem);font-weight:700;color:var(--text);margin:1.75rem 0 .75rem;padding-left:.85rem;border-left:4px solid var(--primary);line-height:1.4}
p{margin-bottom:1rem;color:var(--text-secondary);font-size:.97rem;line-height:1.85}
a{color:var(--primary);text-decoration:none;transition:var(--transition);position:relative}
a:hover{color:var(--primary-dark)}
main>section>p:first-of-type{font-size:1.02rem;color:var(--text);background:var(--gradient-card);padding:1.25rem 1.5rem;border-radius:var(--radius-md);border-left:4px solid var(--primary);box-shadow:var(--shadow)}
#brand-intro,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{background:var(--bg-card);border-radius:var(--radius-lg);padding:2rem 1.75rem;box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--transition);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
#brand-intro:hover,#products:hover,#solutions:hover,#cases:hover,#articles:hover,#faq:hover,#howto:hover,#contact:hover,#sitemap:hover,#links:hover,#legal:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
#cases blockquote{position:relative;background:var(--gradient-card);border-radius:var(--radius-md);padding:1.5rem 1.75rem 1.25rem;margin:1.25rem 0;border:1px solid var(--border);transition:var(--transition);overflow:hidden}
#cases blockquote::before{content:"\201C";position:absolute;top:-.5rem;left:1rem;font-size:5rem;color:var(--primary);opacity:.12;font-family:Georgia,serif;line-height:1;pointer-events:none}
#cases blockquote:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
#cases blockquote p{font-style:italic;color:var(--text-secondary);margin-bottom:.75rem;padding-left:1.5rem}
#cases blockquote cite{display:block;text-align:right;font-size:.88rem;color:var(--text-muted);font-style:normal;font-weight:600;padding-right:.5rem}
#cases blockquote cite::before{content:"— "}
article{background:var(--bg-alt);border-radius:var(--radius-md);padding:1.5rem 1.75rem;margin-bottom:1.25rem;border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
article::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--gradient-accent);border-radius:0 2px 2px 0;transform:scaleY(0);transform-origin:top;transition:transform .4s ease}
article:hover::before{transform:scaleY(1)}
article:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:rgba(233,69,96,.25)}
article h3{margin-top:0;border-left:none;padding-left:0;font-size:1.1rem}
article h3 a{color:var(--text)}
article h3 a:hover{color:var(--primary)}
article time{display:inline-block;font-size:.82rem;color:var(--text-muted);background:var(--gradient-card);padding:.2rem .75rem;border-radius:var(--radius-xl);margin-bottom:.75rem;font-weight:500}
article p{font-size:.93rem}
article a[href^="#article"]{display:inline-flex;align-items:center;gap:.35rem;font-weight:600;font-size:.9rem;color:var(--primary);margin-top:.25rem;transition:var(--transition)}
article a[href^="#article"]::after{content:"→";transition:transform .3s ease}
article a[href^="#article"]:hover::after{transform:translateX(4px)}
details{background:var(--bg-alt);border-radius:var(--radius-md);margin-bottom:.85rem;border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
details[open]{border-color:rgba(233,69,96,.3);box-shadow:var(--shadow)}
details:hover{border-color:rgba(233,69,96,.2)}
details summary{padding:1rem 1.25rem;font-weight:600;font-size:.97rem;cursor:pointer;list-style:none;display:flex;align-items:center;gap:.65rem;color:var(--text);transition:var(--transition);position:relative;user-select:none}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"";display:inline-block;width:20px;height:20px;min-width:20px;border-radius:50%;background:var(--gradient-accent);position:relative;transition:transform .35s ease}
details summary::after{content:"+";position:absolute;left:1.55rem;top:50%;transform:translateY(-50%);color:#fff;font-size:.85rem;font-weight:700;transition:transform .35s ease;pointer-events:none}
details[open] summary::before{transform:rotate(90deg)}
details[open] summary::after{content:"−";transform:translateY(-50%) rotate(0deg)}
details summary:hover{background:var(--gradient-card)}
details p{padding:0 1.25rem 1.25rem 3.15rem;margin:0;font-size:.93rem;animation:fadeIn .35s ease}
#howto ol{counter-reset:step;list-style:none;padding:0;margin:1rem 0}
#howto ol li{counter-increment:step;position:relative;padding:1rem 1rem 1rem 3.5rem;margin-bottom:.75rem;background:var(--bg-alt);border-radius:var(--radius-md);border:1px solid var(--border);transition:var(--transition);font-size:.95rem;color:var(--text-secondary)}
#howto ol li::before{content:counter(step);position:absolute;left:1rem;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;background:var(--gradient-accent);color:#fff;font-weight:700;font-size:.88rem;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(233,69,96,.3)}
#howto ol li:hover{border-color:rgba(233,69,96,.3);transform:translateX(6px);box-shadow:var(--shadow)}
#howto strong{color:var(--primary);font-weight:700}
address{font-style:normal;background:var(--gradient-card);border-radius:var(--radius-md);padding:1.5rem 1.75rem;border:1px solid var(--border);margin:1rem 0}
address p{margin-bottom:.6rem;font-size:.95rem;display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}
address p:last-child{margin-bottom:0}
address p strong{color:var(--text);font-weight:600;min-width:5.5em}
#sitemap nav ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.75rem}
#sitemap nav ul>li{background:var(--bg-alt);border-radius:var(--radius-md);padding:1rem 1.25rem;border:1px solid var(--border);transition:var(--transition)}
#sitemap nav ul>li:hover{border-color:rgba(233,69,96,.3);box-shadow:var(--shadow);transform:translateY(-2px)}
#sitemap nav ul>li>a{font-weight:700;font-size:.97rem;color:var(--text);display:block;margin-bottom:.5rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}
#sitemap nav ul>li>a:hover{color:var(--primary)}
#sitemap nav ul ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:.3rem}
#sitemap nav ul ul li a{font-size:.85rem;color:var(--text-secondary);padding:.15rem 0;display:inline-block}
#sitemap nav ul ul li a:hover{color:var(--primary);transform:translateX(4px)}
#links ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.75rem}
#links ul li a{display:inline-block;padding:.5rem 1.25rem;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-xl);font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:var(--transition)}
#links ul li a:hover{background:var(--gradient-accent);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 6px 20px rgba(233,69,96,.3)}
#legal h3{margin-top:1.5rem}
#legal h3:first-of-type{margin-top:0}
footer{position:relative;z-index:1;background:var(--gradient-primary);color:rgba(255,255,255,.8);padding:2.5rem 1.5rem;text-align:center;margin-top:2rem;overflow:hidden}
footer::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--gradient-accent)}
footer p{color:rgba(255,255,255,.75);font-size:.85rem;margin-bottom:.6rem;line-height:1.7}
footer p:last-child{margin-bottom:0;font-size:.8rem;color:rgba(255,255,255,.5)}
footer a{color:rgba(255,255,255,.85);font-weight:500;transition:var(--transition)}
footer a:hover{color:#fff;text-shadow:0 0 12px rgba(233,69,96,.6)}
@media(max-width:768px){
body{font-size:15px}
header h1{padding:1.75rem 1rem .75rem;font-size:1.25rem}
header h1::after{width:60px;height:3px;margin-top:.75rem}
header nav{padding:0 1rem 1.5rem}
header nav ul{gap:.4rem .6rem}
header nav ul li a{font-size:.82rem;padding:.35rem .75rem}
main{padding:1.25rem .85rem 2rem}
#brand-intro,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{padding:1.35rem 1.1rem;border-radius:var(--radius-md)}
h2{font-size:1.2rem;margin-bottom:1.1rem}
h3{font-size:1rem;margin:1.25rem 0 .6rem}
p{font-size:.92rem;line-height:1.8}
main>section>p:first-of-type{padding:1rem 1.1rem;font-size:.95rem}
article{padding:1.15rem 1.1rem}
article h3{font-size:1rem}
#cases blockquote{padding:1.15rem 1.1rem 1rem}
#cases blockquote::before{font-size:3.5rem;top:-.25rem;left:.5rem}
#cases blockquote p{padding-left:.75rem;font-size:.9rem}
details summary{padding:.85rem 1rem;font-size:.92rem}
details p{padding:0 1rem 1rem 2.85rem;font-size:.88rem}
#howto ol li{padding:.85rem .85rem .85rem 3rem;font-size:.9rem}
#howto ol li::before{width:28px;height:28px;left:.75rem;font-size:.8rem}
address{padding:1.15rem 1.1rem}
address p{font-size:.88rem;flex-direction:column;gap:.15rem}
address p strong{min-width:auto}
#sitemap nav ul{grid-template-columns:1fr 1fr;gap:.6rem}
#sitemap nav ul>li{padding:.85rem 1rem}
#sitemap nav ul>li>a{font-size:.9rem}
#sitemap nav ul ul li a{font-size:.8rem}
#links ul{gap:.5rem}
#links ul li a{padding:.4rem .9rem;font-size:.85rem}
footer{padding:2rem 1rem}
footer p{font-size:.8rem}
}
@media(max-width:480px){
header h1{font-size:1.1rem;padding:1.5rem .75rem .6rem}
header nav ul li a{font-size:.75rem;padding:.3rem .6rem}
main{padding:1rem .6rem 1.5rem}
#brand-intro,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{padding:1.1rem .85rem}
h2{font-size:1.1rem}
h3{font-size:.95rem}
p{font-size:.88rem}
#sitemap nav ul{grid-template-columns:1fr}
#howto ol li{padding:.75rem .75rem .75rem 2.75rem;font-size:.85rem}
#howto ol li::before{width:24px;height:24px;left:.6rem;font-size:.75rem}
}
@media(min-width:1024px){
main{padding:2.5rem 2rem 4rem}
#brand-intro,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{padding:2.5rem 2.25rem}
h2{font-size:1.85rem}
h3{font-size:1.3rem}
p{font-size:1rem}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
@media print{
header,footer,#sitemap,#links,#faq details,#howto{display:none}
body{background:#fff;color:#000}
section{box-shadow:none;border:1px solid #ccc;page-break-inside:avoid}
}
@supports(backdrop-filter:blur(1px)){
#brand-intro,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
}
@supports not(backdrop-filter:blur(1px)){
#brand-intro,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{background:var(--bg-card)}
}