:root{--primary:#1a1a2e;--primary-light:#16213e;--accent:#e94560;--accent-2:#f56a7d;--accent-glow:rgba(233,69,96,.35);--bg:#f0f2f5;--bg-alt:#e8eaef;--card:#ffffff;--card-glass:rgba(255,255,255,.72);--text:#1a1a2e;--text-2:#5a5f6e;--text-3:#8b90a0;--border:rgba(26,26,46,.08);--border-2:rgba(26,26,46,.14);--nav-bg:rgba(26,26,46,.82);--nav-text:#fff;--shadow-sm:0 1px 3px rgba(26,26,46,.06),0 1px 2px rgba(26,26,46,.04);--shadow:0 4px 16px rgba(26,26,46,.08),0 1px 4px rgba(26,26,46,.04);--shadow-lg:0 12px 40px rgba(26,26,46,.12),0 4px 12px rgba(26,26,46,.06);--shadow-glow:0 8px 32px rgba(233,69,96,.25);--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:24px;--transition:all .3s cubic-bezier(.4,0,.2,1);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif}
[data-theme="dark"]{--primary:#0d0d16;--primary-light:#14142a;--bg:#0f0f18;--bg-alt:#14141f;--card:#1a1a2e;--card-glass:rgba(26,26,46,.78);--text:#e8e8f0;--text-2:#a0a4b8;--text-3:#6b7086;--border:rgba(255,255,255,.07);--border-2:rgba(255,255,255,.12);--nav-bg:rgba(13,13,22,.88);--shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow:0 4px 16px rgba(0,0,0,.35);--shadow-lg:0 12px 40px rgba(0,0,0,.45);--shadow-glow:0 8px 32px rgba(233,69,96,.3)}
*,*::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:1.8;font-size:16px;transition:background .4s ease,color .4s ease;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-2);text-decoration:underline}
img,svg{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg-alt)}
::-webkit-scrollbar-thumb{background:var(--text-3);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}
.header{position:sticky;top:0;z-index:1000;background:var(--nav-bg);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);color:var(--nav-text);padding:0 24px;box-shadow:0 1px 0 rgba(255,255,255,.06),0 4px 24px rgba(0,0,0,.12);transition:background .4s ease,box-shadow .4s ease}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:#fff;letter-spacing:.5px;transition:transform .3s ease;flex-shrink:0}
.logo:hover{transform:scale(1.03);text-decoration:none}
.logo svg{width:36px;height:36px;transition:transform .5s cubic-bezier(.34,1.56,.64,1)}
.logo:hover svg{transform:rotate(-8deg) scale(1.08)}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:rgba(255,255,255,.78);padding:8px 14px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;transition:all .25s ease;text-decoration:none;position:relative;white-space:nowrap}
.nav a::after{content:'';position:absolute;bottom:4px;left:50%;width:0;height:2px;background:var(--accent);border-radius:2px;transition:width .3s ease,left .3s ease}
.nav a:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.nav a:hover::after{width:20px;left:calc(50% - 10px)}
.nav a.active{background:var(--accent);color:#fff;box-shadow:0 2px 12px var(--accent-glow)}
.nav a.active::after{display:none}
.header-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:4px 10px;transition:all .3s ease;backdrop-filter:blur(10px)}
.search-box:focus-within{background:rgba(255,255,255,.18);border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.search-box input{background:transparent;border:none;color:#fff;outline:none;width:130px;font-size:.85rem;padding:4px;transition:width .3s ease}
.search-box input:focus{width:160px}
.search-box input::placeholder{color:rgba(255,255,255,.45)}
.search-box button{background:transparent;border:none;color:rgba(255,255,255,.65);cursor:pointer;padding:4px;font-size:.95rem;transition:color .2s,transform .2s;line-height:1}
.search-box button:hover{color:#fff;transform:scale(1.15)}
.theme-toggle{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);color:#fff;width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;font-size:1.05rem;display:flex;align-items:center;justify-content:center;transition:all .3s ease;backdrop-filter:blur(10px)}
.theme-toggle:hover{background:rgba(255,255,255,.2);transform:rotate(20deg) scale(1.05)}
.mobile-menu-btn{display:none;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);color:#fff;width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;font-size:1.15rem;align-items:center;justify-content:center;transition:background .2s}
.mobile-menu-btn:hover{background:rgba(255,255,255,.2)}
.breadcrumb{max-width:1200px;margin:16px auto 0;padding:0 24px;font-size:.82rem;color:var(--text-3);display:flex;align-items:center;flex-wrap:wrap;gap:2px}
.breadcrumb a{color:var(--text-3);transition:color .2s}
.breadcrumb a:hover{color:var(--accent);text-decoration:none}
.breadcrumb span{margin:0 4px;color:var(--text-3);opacity:.6}
.hero{max-width:1200px;margin:20px auto 40px;padding:0 24px}
.hero-banner{position:relative;border-radius:var(--radius-xl);overflow:hidden;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 40%,#0f3460 70%,#1a1a2e 100%);min-height:320px;display:flex;align-items:center;justify-content:center;text-align:center;padding:56px 32px;box-shadow:var(--shadow-lg);isolation:isolate}
.hero-banner::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 20% 50%,rgba(233,69,96,.15) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(15,52,96,.3) 0%,transparent 50%);z-index:1;pointer-events:none}
.hero-banner-content{position:relative;z-index:3;color:#fff;max-width:720px}
.hero-banner-content h1{font-size:2.1rem;margin-bottom:18px;line-height:1.4;font-weight:800;letter-spacing:-.5px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-banner-content h1 span{background:linear-gradient(135deg,#e94560,#f56a7d,#ff8fa3);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-banner-content p{font-size:.98rem;opacity:.88;margin-bottom:28px;line-height:1.8;max-width:600px;margin-left:auto;margin-right:auto}
.hero-banner-content .btn{display:inline-block;background:linear-gradient(135deg,#e94560,#f56a7d);color:#fff;padding:13px 36px;border-radius:var(--radius);font-size:.95rem;font-weight:600;transition:all .3s cubic-bezier(.34,1.56,.64,1);text-decoration:none;box-shadow:0 4px 20px rgba(233,69,96,.35);position:relative;overflow:hidden}
.hero-banner-content .btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.2),transparent);opacity:0;transition:opacity .3s}
.hero-banner-content .btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 32px rgba(233,69,96,.5);text-decoration:none;color:#fff}
.hero-banner-content .btn:hover::before{opacity:1}
.hero-banner-content .btn:active{transform:translateY(-1px) scale(.99)}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.hero-slide.active{opacity:1}
.hero-slide svg{width:100%;height:100%;object-fit:cover}
.hero-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:4}
.hero-dots button{width:10px;height:10px;border-radius:50%;border:none;background:rgba(255,255,255,.35);cursor:pointer;transition:all .4s cubic-bezier(.34,1.56,.64,1);padding:0}
.hero-dots button:hover{background:rgba(255,255,255,.6);transform:scale(1.2)}
.hero-dots button.active{background:var(--accent);width:28px;border-radius:5px;box-shadow:0 0 12px var(--accent-glow)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{margin-bottom:56px}
.section-title{font-size:1.45rem;font-weight:800;margin-bottom:8px;color:var(--text);display:flex;align-items:center;gap:12px;letter-spacing:-.3px;line-height:1.3}
.section-title::before{content:'';width:4px;height:26px;background:linear-gradient(180deg,var(--accent),var(--accent-2));border-radius:2px;flex-shrink:0;box-shadow:0 0 12px var(--accent-glow)}
.section-subtitle{color:var(--text-3);font-size:.9rem;margin-bottom:28px;padding-left:16px;line-height:1.6}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.card{background:var(--card);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .35s ease,border-color .3s ease;border:1px solid var(--border);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2),transparent);opacity:0;transition:opacity .3s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--border-2)}
.card:hover::before{opacity:1}
.card h3{font-size:1.08rem;margin-bottom:10px;color:var(--text);font-weight:700;line-height:1.4;letter-spacing:-.2px}
.card p{font-size:.88rem;color:var(--text-2);line-height:1.8}
.card .meta{font-size:.78rem;color:var(--text-3);margin-top:14px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.card .meta span{display:flex;align-items:center;gap:4px;white-space:nowrap}
.card ul{list-style:none;font-size:.88rem;line-height:2.2}
.card ul li a{color:var(--text-2);transition:color .2s,padding-left .2s;display:inline-block}
.card ul li a:hover{color:var(--accent);padding-left:4px;text-decoration:none}
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:28px 0}
.stat-item{text-align:center;padding:28px 16px;background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .35s ease;position:relative;overflow:hidden}
.stat-item::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:40px;height:3px;background:var(--accent);border-radius:3px 3px 0 0;transition:width .4s ease}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-item:hover::after{width:80%}
.stat-number{font-size:2.1rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;line-height:1.2;letter-spacing:-1px}
.stat-label{font-size:.82rem;color:var(--text-3);margin-top:6px;font-weight:500}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}
.faq-item:hover{border-color:var(--border-2)}
.faq-item.open{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow),var(--shadow-sm)}
.faq-question{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.94rem;transition:background .25s ease,color .25s ease;user-select:none;gap:12px;line-height:1.5}
.faq-question:hover{background:rgba(233,69,96,.04)}
.faq-item.open .faq-question{color:var(--accent)}
.faq-question .icon{font-size:1.3rem;transition:transform .35s cubic-bezier(.34,1.56,.64,1);color:var(--accent);flex-shrink:0;line-height:1;font-weight:300}
.faq-item.open .faq-question .icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.4,0,.2,1),padding .35s ease;padding:0 22px}
.faq-item.open .faq-answer{max-height:500px;padding:0 22px 18px}
.faq-answer p{font-size:.88rem;color:var(--text-2);line-height:1.85}
.howto-steps{counter-reset:step}
.howto-step{position:relative;padding:22px 22px 22px 68px;background:var(--card);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);counter-increment:step;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.howto-step:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:var(--border-2)}
.howto-step::before{content:counter(step);position:absolute;left:22px;top:22px;width:34px;height:34px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.88rem;box-shadow:0 4px 12px var(--accent-glow);transition:transform .3s cubic-bezier(.34,1.56,.64,1)}
.howto-step:hover::before{transform:scale(1.1) rotate(-5deg)}
.howto-step h4{font-size:.98rem;margin-bottom:6px;font-weight:700;color:var(--text)}
.howto-step p{font-size:.86rem;color:var(--text-2);line-height:1.75}
.article-list{display:flex;flex-direction:column;gap:14px}
.article-item{background:var(--card);border-radius:var(--radius);padding:22px 24px;border:1px solid var(--border);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;position:relative;overflow:hidden}
.article-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent),var(--accent-2));transform:scaleY(0);transform-origin:top;transition:transform .35s ease}
.article-item:hover{border-color:var(--border-2);box-shadow:var(--shadow);transform:translateX(4px)}
.article-item:hover::before{transform:scaleY(1)}
.article-item h3{font-size:1.02rem;margin-bottom:8px;font-weight:700;line-height:1.45}
.article-item h3 a{color:var(--text);transition:color .25s ease}
.article-item h3 a:hover{color:var(--accent);text-decoration:none}
.article-item .excerpt{font-size:.86rem;color:var(--text-2);line-height:1.8;margin-bottom:12px}
.article-item .meta{font-size:.78rem;color:var(--text-3);display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.team-card{background:var(--card);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .35s ease}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.team-card .avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--accent),#0f3460);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;font-weight:700;box-shadow:0 6px 20px var(--accent-glow);transition:transform .4s cubic-bezier(.34,1.56,.64,1)}
.team-card:hover .avatar{transform:scale(1.1) rotate(-5deg)}
.team-card h4{font-size:.95rem;margin-bottom:4px;font-weight:700}
.team-card p{font-size:.8rem;color:var(--text-3);line-height:1.6}
.footer{background:linear-gradient(180deg,var(--primary) 0%,var(--primary-light) 100%);color:rgba(255,255,255,.72);padding:52px 24px 28px;margin-top:56px;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.5}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:36px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:18px;font-weight:700;position:relative;padding-bottom:10px}
.footer h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--accent);border-radius:1px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul li a{color:rgba(255,255,255,.6);font-size:.84rem;transition:color .25s ease,padding-left .25s ease;display:inline-block}
.footer ul li a:hover{color:#fff;padding-left:4px;text-decoration:none}
.footer p{font-size:.84rem;line-height:1.9;color:rgba(255,255,255,.55)}
.footer-bottom{max-width:1200px;margin:36px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);text-align:center;font-size:.8rem;color:rgba(255,255,255,.42);line-height:2}
.footer-bottom a{color:rgba(255,255,255,.5);transition:color .2s}
.footer-bottom a:hover{color:#fff;text-decoration:none}
.back-to-top{position:fixed;bottom:32px;right:32px;width:46px;height:46px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:1.15rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease,transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease;z-index:999;box-shadow:0 4px 20px var(--accent-glow);line-height:1}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-4px) scale(1.08);box-shadow:0 8px 32px var(--accent-glow)}
.back-to-top:active{transform:translateY(-2px) scale(1.02)}
.scroll-anim{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.scroll-anim.visible{opacity:1;transform:translateY(0)}
.scroll-anim:nth-child(2){transition-delay:.05s}
.scroll-anim:nth-child(3){transition-delay:.1s}
.scroll-anim:nth-child(4){transition-delay:.15s}
@media(max-width:1024px){
.nav a{padding:8px 10px;font-size:.85rem}
.search-box input{width:100px}
.search-box input:focus{width:130px}
}
@media(max-width:768px){
.header{padding:0 16px}
.nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);flex-direction:column;padding:12px;gap:4px;box-shadow:0 8px 32px rgba(0,0,0,.25);border-top:1px solid rgba(255,255,255,.06);animation:slideDown .3s ease}
.nav.open{display:flex}
.nav a{padding:12px 16px;width:100%;border-radius:var(--radius-sm);font-size:.92rem}
.nav a::after{display:none}
.mobile-menu-btn{display:flex}
.search-box{display:none}
.header-actions{gap:8px}
.hero{margin:16px auto 32px;padding:0 16px}
.hero-banner{min-height:240px;padding:36px 20px;border-radius:var(--radius-lg)}
.hero-banner-content h1{font-size:1.4rem;margin-bottom:14px}
.hero-banner-content p{font-size:.88rem;margin-bottom:22px}
.hero-banner-content .btn{padding:11px 28px;font-size:.88rem}
.container{padding:0 16px}
.section{margin-bottom:40px}
.section-title{font-size:1.2rem}
.section-title::before{height:22px}
.section-subtitle{font-size:.84rem;margin-bottom:20px;padding-left:14px}
.card-grid{grid-template-columns:1fr;gap:14px}
.card{padding:20px}
.card h3{font-size:1rem}
.stats-row{grid-template-columns:repeat(2,1fr);gap:12px}
.stat-item{padding:20px 12px}
.stat-number{font-size:1.5rem}
.stat-label{font-size:.76rem}
.faq-question{padding:14px 16px;font-size:.88rem}
.faq-answer{padding:0 16px}
.faq-item.open .faq-answer{padding:0 16px 14px}
.howto-step{padding:18px 16px 18px 58px}
.howto-step::before{left:16px;top:18px;width:30px;height:30px;font-size:.8rem}
.howto-step h4{font-size:.92rem}
.howto-step p{font-size:.82rem}
.article-item{padding:18px 16px}
.article-item h3{font-size:.95rem}
.article-item .excerpt{font-size:.82rem}
.article-item .meta{font-size:.74rem;gap:10px}
.team-grid{grid-template-columns:repeat(2,1fr);gap:12px}
.team-card{padding:22px 14px}
.team-card .avatar{width:60px;height:60px;font-size:1.25rem}
.team-card h4{font-size:.88rem}
.team-card p{font-size:.74rem}
.footer{padding:36px 16px 22px;margin-top:40px}
.footer-inner{grid-template-columns:1fr;gap:28px}
.footer-bottom{font-size:.74rem}
.back-to-top{bottom:20px;right:20px;width:42px;height:42px;font-size:1rem}
.breadcrumb{padding:0 16px;font-size:.78rem}
}
@media(max-width:480px){
.hero-banner-content h1{font-size:1.2rem}
.hero-banner{min-height:200px;padding:28px 16px}
.stats-row{grid-template-columns:repeat(2,1fr)}
.stat-number{font-size:1.3rem}
.team-grid{grid-template-columns:1fr 1fr}
}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 8px transparent}}
@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,.back-to-top,.hero-dots,.search-box,.theme-toggle{display:none!important}
body{background:#fff;color:#000}
.card,.article-item,.faq-item,.howto-step{box-shadow:none;border:1px solid #ddd;break-inside:avoid}
}