:root{--pink:#F7A8B8;--pink-deep:#E8859A;--pink-soft:#FDE4E9;--cream:#FFF8F5;--lav:#C9B6E4;--mint:#A8E6CF;--peach:#FFD3B6;--text:#3D3436;--text-soft:#7A6E71;--bg:#FFF9F7;--card:#FFFFFF;--glass:rgba(255,255,255,.65);--glass-border:rgba(255,255,255,.75);--shadow:0 8px 30px rgba(232,133,154,.12);--shadow-hover:0 18px 45px rgba(232,133,154,.25);--radius:22px;--radius-sm:14px;--nav-h:68px;--grad-banner:linear-gradient(135deg,#FFD3E0 0%,#F7A8B8 35%,#C9B6E4 70%,#A8E6CF 100%);--grad-btn:linear-gradient(135deg,#F7A8B8,#C9B6E4);--grad-soft:linear-gradient(135deg,#FFF0F4,#F3EDFF);--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif}
html[data-theme="dark"],@media(prefers-color-scheme:dark){:root{--text:#F0EAEC;--text-soft:#B5A9AD;--bg:#1E1A1D;--card:#2A2529;--glass:rgba(42,37,41,.6);--glass-border:rgba(255,255,255,.08);--pink-soft:#3A2E34;--cream:#241F22;--shadow:0 8px 30px rgba(0,0,0,.35);--shadow-hover:0 18px 45px rgba(0,0,0,.5);--grad-soft:linear-gradient(135deg,#2E262B,#2A2530)}}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.85;font-size:16px;overflow-x:hidden;transition:background .4s ease,color .4s ease}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 12% 8%,rgba(247,168,184,.18),transparent 42%),radial-gradient(circle at 88% 18%,rgba(201,182,228,.16),transparent 45%),radial-gradient(circle at 50% 92%,rgba(168,230,207,.14),transparent 48%)}
a{color:var(--pink-deep);text-decoration:none;transition:color .3s ease,opacity .3s ease}
a:hover{color:var(--pink);opacity:.92}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.4;font-weight:800;letter-spacing:.2px}
h1{font-size:clamp(1.55rem,4.2vw,2.6rem)}
h2{font-size:clamp(1.3rem,3vw,1.9rem)}
h3{font-size:clamp(1.08rem,2.2vw,1.32rem)}
h4{font-size:clamp(1rem,1.9vw,1.12rem)}
p{color:var(--text-soft);margin-bottom:1em}
header{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);border-bottom:1px solid var(--glass-border);box-shadow:0 4px 24px rgba(232,133,154,.08);transition:background .4s ease,box-shadow .3s ease}
nav{max-width:1200px;margin:0 auto;padding:0 22px;min-height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
nav>a{font-size:1.32rem;font-weight:900;background:var(--grad-btn);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;letter-spacing:.5px;padding:6px 0;flex-shrink:0;position:relative}
nav>a::after{content:"♡";-webkit-text-fill-color:var(--pink);color:var(--pink);font-size:.85rem;margin-left:4px;vertical-align:super}
nav ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
nav ul li a{display:block;padding:8px 13px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--text-soft);position:relative;transition:all .3s cubic-bezier(.34,1.56,.64,1)}
nav ul li a::before{content:"";position:absolute;inset:0;border-radius:999px;background:var(--grad-btn);opacity:0;transform:scale(.7);transition:all .35s cubic-bezier(.34,1.56,.64,1);z-index:-1}
nav ul li a:hover{color:#fff;transform:translateY(-2px)}
nav ul li a:hover::before{opacity:1;transform:scale(1)}
main{max-width:1200px;margin:0 auto;padding:0 22px}
section{padding:64px 0;position:relative}
section+section{border-top:1px solid rgba(247,168,184,.12)}
section>h2{position:relative;display:inline-block;margin-bottom:34px;padding-bottom:14px}
section>h2::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:5px;border-radius:99px;background:var(--grad-btn);box-shadow:0 4px 14px rgba(247,168,184,.5)}
section>h2::before{content:"✿";position:absolute;right:-30px;top:2px;font-size:1rem;color:var(--pink);opacity:.7}
#home{padding-top:56px;padding-bottom:72px;margin:0 -22px;padding-left:22px;padding-right:22px;border-radius:0 0 40px 40px;background:var(--grad-banner);background-size:200% 200%;animation:gradShift 14s ease infinite;position:relative;overflow:hidden;box-shadow:0 20px 60px rgba(247,168,184,.25)}
#home::before,#home::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.28);filter:blur(2px);animation:floatY 7s ease-in-out infinite}
#home::before{width:180px;height:180px;top:-60px;right:8%}
#home::after{width:110px;height:110px;bottom:-40px;left:6%;animation-delay:-3s}
#home h1{color:#fff;text-shadow:0 4px 24px rgba(180,90,120,.35);margin-bottom:22px;position:relative;z-index:1}
#home p{color:rgba(255,255,255,.95);max-width:900px;position:relative;z-index:1;text-shadow:0 1px 10px rgba(180,90,120,.2)}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}
#about,#products,#solutions,#cases,#news,#articles,#faq,#howto,#contact{scroll-margin-top:calc(var(--nav-h) + 12px)}
#about h3,#products h3,#solutions h3,#cases h3,#news h3,#articles h3,#faq h3,#howto h3,#contact h3{margin:30px 0 12px;color:var(--text);display:flex;align-items:center;gap:10px}
#about h3::before,#products h3::before,#solutions h3::before,#cases h3::before,#news h3::before,#articles h3::before,#faq h3::before,#howto h3::before,#contact h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad-btn);flex-shrink:0;box-shadow:0 0 0 4px rgba(247,168,184,.22)}
#about p,#products p,#solutions p,#cases p,#news p,#articles p,#faq p,#howto p,#contact p{max-width:920px}
#products,#cases,#articles,#howto{background:var(--grad-soft);border-radius:var(--radius);padding:64px 36px;margin:24px 0;border-top:none}
#products+section,#cases+section,#articles+section{border-top:none}
#products h3,#cases h3,#articles h3,#faq h3,#products p,#cases p,#articles p,#faq p{position:relative;z-index:1}
#news article,#articles article{background:var(--card);border-radius:var(--radius);padding:26px 28px;margin-bottom:20px;box-shadow:var(--shadow);border:1px solid rgba(247,168,184,.14);position:relative;overflow:hidden;transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s ease,border-color .4s ease}
#news article::before,#articles article::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad-btn);transform:scaleY(0);transform-origin:top;transition:transform .45s cubic-bezier(.22,1,.36,1)}
#news article:hover,#articles article:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(247,168,184,.4)}
#news article:hover::before,#articles article:hover::before{transform:scaleY(1)}
#news article h3,#articles article h3{margin:0 0 8px;color:var(--text);font-size:1.12rem}
#news time,#articles time{display:inline-block;font-size:.82rem;color:var(--pink-deep);font-weight:700;background:var(--pink-soft);padding:3px 12px;border-radius:999px;margin-bottom:12px;letter-spacing:.3px}
#articles article p a{display:inline-block;margin-top:6px;font-weight:700;font-size:.9rem;padding:6px 16px;border-radius:999px;background:var(--grad-btn);color:#fff;box-shadow:0 6px 16px rgba(247,168,184,.35);transition:all .35s cubic-bezier(.34,1.56,.64,1)}
#articles article p a:hover{transform:translateX(4px) scale(1.04);box-shadow:0 10px 24px rgba(247,168,184,.5);opacity:1}
#cases p:not(:first-of-type){background:var(--card);border-radius:var(--radius-sm);padding:14px 20px;margin-bottom:12px;border-left:4px solid var(--pink);box-shadow:0 4px 18px rgba(232,133,154,.1);font-style:italic;transition:transform .35s ease,box-shadow .35s ease}
#cases p:not(:first-of-type):hover{transform:translateX(6px);box-shadow:0 8px 26px rgba(232,133,154,.2)}
#faq h3{cursor:default;padding:16px 20px;background:var(--card);border-radius:var(--radius-sm);margin:14px 0 0;border:1px solid rgba(247,168,184,.18);box-shadow:0 3px 14px rgba(232,133,154,.08);transition:all .35s ease}
#faq h3:hover{border-color:var(--pink);box-shadow:0 8px 24px rgba(232,133,154,.18);transform:translateY(-2px)}
#faq h3+p{margin:0 0 10px;padding:14px 20px 16px;background:var(--glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:0 0 var(--radius-sm) var(--radius-sm);border:1px solid rgba(247,168,184,.12);border-top:none}
#howto h4{margin:22px 0 8px;color:var(--pink-deep);display:inline-block;padding:4px 14px;border-radius:999px;background:var(--pink-soft);font-size:1rem}
#howto h4::before{content:"▸ ";color:var(--pink)}
#contact p{margin-bottom:.6em}
#contact h3:first-of-type+p{font-weight:700;color:var(--text)}
#sitemap,#links,#privacy,#disclaimer,#copyright{padding:48px 0}
#sitemap ul,#links ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
#sitemap ul li a,#links ul li a{display:block;padding:12px 18px;background:var(--card);border-radius:var(--radius-sm);border:1px solid rgba(247,168,184,.16);box-shadow:0 3px 14px rgba(232,133,154,.08);font-weight:600;font-size:.92rem;text-align:center;transition:all .35s cubic-bezier(.34,1.56,.64,1)}
#sitemap ul li a:hover,#links ul li a:hover{transform:translateY(-4px) scale(1.03);background:var(--grad-btn);color:#fff;box-shadow:0 12px 28px rgba(247,168,184,.4);border-color:transparent;opacity:1}
#privacy,#disclaimer,#copyright{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius);padding:40px 34px;margin:20px 0;border:1px solid var(--glass-border);box-shadow:var(--shadow)}
#privacy p,#disclaimer p,#copyright p{font-size:.94rem;line-height:1.9}
footer{background:linear-gradient(135deg,#3D3436,#5A4A50);color:#F0EAEC;padding:52px 22px 40px;margin-top:48px;border-radius:40px 40px 0 0;position:relative;overflow:hidden}
footer::before{content:"";position:absolute;top:-80px;right:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(247,168,184,.35),transparent 70%);pointer-events:none}
footer::after{content:"";position:absolute;bottom:-100px;left:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(201,182,228,.3),transparent 70%);pointer-events:none}
footer p{max-width:1200px;margin:0 auto 10px;color:rgba(240,234,236,.78);font-size:.86rem;position:relative;z-index:1;text-align:center}
footer p:first-of-type{font-weight:700;color:#fff;font-size:.95rem;margin-bottom:14px}
footer a{color:var(--pink);font-weight:600;transition:color .3s ease,text-shadow .3s ease}
footer a:hover{color:#fff;text-shadow:0 0 14px rgba(247,168,184,.8);opacity:1}
section{opacity:0;transform:translateY(38px);animation:revealUp .85s cubic-bezier(.22,1,.36,1) forwards}
@keyframes revealUp{to{opacity:1;transform:translateY(0)}}
#home{animation-delay:.05s}
#about{animation-delay:.12s}
#products{animation-delay:.18s}
#solutions{animation-delay:.24s}
#cases{animation-delay:.3s}
#news{animation-delay:.36s}
#articles{animation-delay:.42s}
#faq{animation-delay:.48s}
#howto{animation-delay:.54s}
#contact{animation-delay:.6s}
#sitemap{animation-delay:.66s}
#links{animation-delay:.72s}
#privacy{animation-delay:.78s}
#disclaimer{animation-delay:.84s}
#copyright{animation-delay:.9s}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}section{opacity:1;transform:none}}
@media (max-width:960px){
nav{min-height:auto;padding:12px 16px;gap:10px}
nav ul{width:100%;justify-content:center;gap:2px;padding-bottom:6px}
nav ul li a{padding:6px 10px;font-size:.82rem}
section{padding:48px 0}
#products,#cases,#articles,#howto{padding:44px 22px}
#home{margin:0 -16px;padding-left:16px;padding-right:16px;border-radius:0 0 28px 28px}
main{padding:0 16px}
section>h2::before{right:-20px}
}
@media (max-width:600px){
body{font-size:15px;line-height:1.8}
nav>a{font-size:1.15rem}
nav ul li a{padding:5px 9px;font-size:.78rem}
nav ul{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
nav ul::-webkit-scrollbar{display:none}
section{padding:38px 0}
#home{padding-top:40px;padding-bottom:48px}
#home::before{width:120px;height:120px}
#home::after{width:80px;height:80px}
#news article,#articles article{padding:20px 18px;border-radius:18px}
#products,#cases,#articles,#howto{padding:32px 16px;border-radius:18px}
#faq h3{padding:13px 16px;font-size:1rem}
#faq h3+p{padding:12px 16px 14px}
#sitemap ul,#links ul{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:9px}
#sitemap ul li a,#links ul li a{padding:10px 12px;font-size:.85rem}
#privacy,#disclaimer,#copyright{padding:28px 18px;border-radius:18px}
footer{padding:40px 16px 32px;border-radius:28px 28px 0 0}
footer p{font-size:.8rem}
#cases p:not(:first-of-type){padding:12px 16px}
}
@media (hover:none){
nav ul li a:hover{transform:none}
#news article:hover,#articles article:hover{transform:none}
#sitemap ul li a:hover,#links ul li a:hover{transform:none}
}
::selection{background:var(--pink);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--pink),var(--lav));border-radius:99px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--pink-deep)}
:focus-visible{outline:3px solid var(--pink);outline-offset:3px;border-radius:6px}