:root{--bg:#f7f5f2;--bg-alt:#ffffff;--bg-soft:#efeae3;--text:#1f1b24;--text-soft:#5c5566;--text-mute:#8b8494;--brand:#e94560;--brand-2:#7b2ff7;--brand-3:#0f3460;--accent:#ffb703;--border:rgba(31,27,36,.1);--card:rgba(255,255,255,.72);--glass:rgba(255,255,255,.55);--glass-border:rgba(255,255,255,.65);--shadow-sm:0 2px 10px rgba(31,27,36,.06);--shadow:0 10px 30px rgba(31,27,36,.1);--shadow-lg:0 24px 60px rgba(31,27,36,.16);--radius-sm:10px;--radius:18px;--radius-lg:28px;--max:1200px;--header-h:72px;--ease:cubic-bezier(.22,.61,.36,1)}
[data-theme="dark"]{--bg:#12101a;--bg-alt:#1a1726;--bg-soft:#221e30;--text:#f2eef7;--text-soft:#bdb5cc;--text-mute:#8d84a0;--border:rgba(255,255,255,.1);--card:rgba(30,26,44,.72);--glass:rgba(30,26,44,.55);--glass-border:rgba(255,255,255,.12);--shadow-sm:0 2px 10px rgba(0,0,0,.3);--shadow:0 10px 30px rgba(0,0,0,.4);--shadow-lg:0 24px 60px rgba(0,0,0,.55)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);transition:background .4s var(--ease),color .4s var(--ease);overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(60vw 60vw at 12% -10%,rgba(233,69,96,.16),transparent 60%),radial-gradient(50vw 50vw at 100% 0%,rgba(123,47,247,.14),transparent 55%),radial-gradient(60vw 60vw at 50% 120%,rgba(15,52,96,.12),transparent 60%);pointer-events:none}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .6em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.4rem,3vw,2.1rem)}
h3{font-size:clamp(1.1rem,2vw,1.35rem)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.4em}
li{margin-bottom:.4em}
time{font-variant-numeric:tabular-nums;color:var(--text-mute);font-size:.85em;margin-right:.5em}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
::selection{background:var(--brand);color:#fff}
#site-header{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid var(--glass-border);transition:background .4s var(--ease),box-shadow .3s var(--ease)}
#site-header.scrolled{box-shadow:var(--shadow)}
.header-inner{max-width:var(--max);margin:0 auto;padding:0 20px;height:var(--header-h);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0}
.brand svg{transition:transform .5s var(--ease)}
.brand:hover svg{transform:rotate(-8deg) scale(1.06)}
.brand-name{font-weight:900;font-size:1.2rem;letter-spacing:.02em;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.main-nav{flex:1}
.main-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:2px;margin:0;padding:0}
.main-nav li{margin:0}
.main-nav a{display:block;padding:8px 12px;border-radius:999px;color:var(--text-soft);font-size:.92rem;font-weight:600;position:relative;transition:color .25s var(--ease),background .25s var(--ease)}
.main-nav a::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:translateX(-50%);transition:width .3s var(--ease)}
.main-nav a:hover,.main-nav a:focus-visible{color:var(--text);background:var(--bg-soft)}
.main-nav a:hover::after{width:40%}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.site-search{display:flex;align-items:center;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:3px 3px 3px 14px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.site-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(233,69,96,.14)}
.site-search input{width:170px;border:0;background:transparent;color:var(--text);font-size:.9rem;outline:none;padding:6px 0;font-family:inherit}
.site-search input::placeholder{color:var(--text-mute)}
.site-search button{border:0;cursor:pointer;border-radius:999px;padding:7px 16px;font-size:.85rem;font-weight:700;color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));font-family:inherit;transition:transform .2s var(--ease),filter .2s var(--ease)}
.site-search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
#theme-toggle,#menu-toggle{border:1px solid var(--border);background:var(--bg-alt);color:var(--text);width:40px;height:40px;border-radius:50%;font-size:1.05rem;cursor:pointer;display:grid;place-items:center;transition:transform .3s var(--ease),background .25s var(--ease),border-color .25s var(--ease)}
#theme-toggle:hover,#menu-toggle:hover{transform:rotate(15deg) scale(1.08);border-color:var(--brand)}
#menu-toggle{display:none}
main{max-width:var(--max);margin:0 auto;padding:0 20px}
.hero{margin:28px 0 0;position:relative}
.hero-slider{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--brand-3)}
.hero-slider .slide{display:none;animation:fadeIn .7s var(--ease)}
.hero-slider .slide.active{display:block}
.hero-slider svg{width:100%;height:auto;aspect-ratio:1200/320;object-fit:cover}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(20,16,32,.35);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:background .25s var(--ease),transform .25s var(--ease)}
.slider-prev{left:16px}
.slider-next{right:16px}
.slider-prev:hover,.slider-next:hover{background:var(--brand);transform:translateY(-50%) scale(1.08)}
.hero-content{margin-top:-70px;position:relative;z-index:2;padding:0 clamp(0px,2vw,20px)}
.hero-content h1{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 55%,var(--brand-3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none;max-width:16em}
.hero-lead{font-size:clamp(.95rem,1.5vw,1.08rem);color:var(--text-soft);max-width:60em;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
.stat{background:var(--card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:18px 16px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.stat-num{display:block;font-size:clamp(1.5rem,3.2vw,2.2rem);font-weight:900;font-variant-numeric:tabular-nums;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{display:block;font-size:.85rem;color:var(--text-mute);margin-top:2px}
.breadcrumb{margin:26px 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;font-size:.85rem;color:var(--text-mute)}
.breadcrumb li{display:flex;align-items:center;margin:0}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-mute);opacity:.6}
.breadcrumb a{color:var(--text-soft)}
.section{position:relative;margin:44px 0;padding:clamp(22px,4vw,44px);background:var(--card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow .4s var(--ease),transform .4s var(--ease)}
.section:hover{box-shadow:var(--shadow)}
.section>h2{display:flex;align-items:center;gap:14px;padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--border)}
.section>h2::before{content:"";width:8px;height:1.15em;border-radius:4px;background:linear-gradient(180deg,var(--brand),var(--brand-2));flex-shrink:0}
.section h3{margin-top:1.6em;color:var(--text)}
.section h3:first-of-type{margin-top:.4em}
.section p{color:var(--text-soft)}
.section p strong{color:var(--text)}
.news-list{list-style:none;padding:0;margin:0}
.news-list li{position:relative;padding:12px 14px 12px 34px;border-radius:var(--radius-sm);border:1px solid transparent;transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.news-list li::before{content:"";position:absolute;left:14px;top:1.35em;width:8px;height:8px;border-radius:50%;background:linear-gradient(120deg,var(--brand),var(--brand-2))}
.news-list li:hover{background:var(--bg-soft);border-color:var(--border);transform:translateX(4px)}
.article-card{position:relative;margin:18px 0;padding:24px;border-radius:var(--radius);background:var(--bg-alt);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)}
.article-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,var(--brand),var(--brand-2));transform:scaleY(0);transform-origin:top;transition:transform .4s var(--ease)}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(233,69,96,.35)}
.article-card:hover::before{transform:scaleY(1)}
.article-card h3{margin-top:0}
.article-card .meta{font-size:.82rem;color:var(--text-mute);margin-bottom:12px}
.article-card a{font-weight:700;display:inline-flex;align-items:center;gap:6px}
.article-card a::after{content:"→";transition:transform .25s var(--ease)}
.article-card a:hover::after{transform:translateX(4px)}
blockquote{margin:18px 0;padding:20px 24px 20px 28px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(233,69,96,.08),rgba(123,47,247,.08));border:1px solid var(--border);border-left:4px solid var(--brand);position:relative;color:var(--text-soft);font-style:normal}
blockquote p{margin:0;color:var(--text-soft)}
blockquote p:last-child{margin-bottom:0}
#howto ol{counter-reset:step;list-style:none;padding:0}
#howto ol li{counter-increment:step;position:relative;padding:14px 16px 14px 58px;margin-bottom:10px;border-radius:var(--radius-sm);background:var(--bg-alt);border:1px solid var(--border);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
#howto ol li::before{content:counter(step);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.9rem;color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2))}
#howto ol li:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.faq-item{margin-bottom:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-alt);overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}
.faq-item:hover{border-color:rgba(233,69,96,.3)}
.faq-item.open{box-shadow:var(--shadow-sm);border-color:rgba(233,69,96,.45)}
.faq-item h3{margin:0}
.faq-question{width:100%;text-align:left;border:0;background:transparent;color:var(--text);font-family:inherit;font-size:1rem;font-weight:700;padding:18px 52px 18px 20px;cursor:pointer;position:relative;line-height:1.5;transition:color .25s var(--ease)}
.faq-question::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:400;color:var(--brand);transition:transform .35s var(--ease)}
.faq-question:hover{color:var(--brand)}
.faq-item.open .faq-question::after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .45s var(--ease),padding .45s var(--ease)}
.faq-answer p{margin:0;padding:0 20px 20px;color:var(--text-soft);font-size:.95rem}
.faq-item.open .faq-answer{max-height:600px}
.contact-info{display:grid;gap:4px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:8px}
.contact-info p{margin:0;padding:6px 0;border-bottom:1px dashed var(--border)}
.contact-info p:last-child{border-bottom:0}
.sitemap-list,.friend-links{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.sitemap-list li,.friend-links li{margin:0}
.sitemap-list a,.friend-links a{display:inline-block;padding:8px 16px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--border);color:var(--text-soft);font-size:.9rem;font-weight:600;transition:all .3s var(--ease)}
.sitemap-list a:hover,.friend-links a:hover{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 20px rgba(233,69,96,.28)}
#site-footer{position:relative;margin-top:60px;background:linear-gradient(160deg,#1a1a2e 0%,#16213e 55%,#0f3460 100%);color:#d9d5e6;padding:56px 0 0;overflow:hidden}
#site-footer::before{content:"";position:absolute;inset:0;background:radial-gradient(40vw 40vw at 85% 0%,rgba(233,69,96,.22),transparent 60%),radial-gradient(40vw 40vw at 0% 100%,rgba(123,47,247,.2),transparent 60%);pointer-events:none}
.footer-inner{position:relative;max-width:var(--max);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:32px}
.footer-col h3{font-size:1rem;color:#fff;margin-bottom:12px;position:relative;padding-bottom:10px}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.footer-col p{font-size:.88rem;line-height:1.7;color:#a9a3bd;margin:0}
.footer-col a{color:#d9d5e6}
.footer-bottom{position:relative;margin-top:40px;padding:20px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:.82rem;color:#8d87a3}
.footer-bottom p{margin:4px 0}
#back-to-top{position:fixed;right:22px;bottom:22px;z-index:90;width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;font-size:1.2rem;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 10px 26px rgba(233,69,96,.45);opacity:0;visibility:hidden;transform:translateY(16px) scale(.9);transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s}
#back-to-top.show{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
#back-to-top:hover{transform:translateY(-3px) scale(1.06);filter:brightness(1.08)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}
@keyframes fadeIn{from{opacity:0;transform:scale(1.02)}to{opacity:1;transform:none}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}
@media (max-width:1080px){.main-nav a{padding:8px 9px;font-size:.86rem}.site-search input{width:130px}}
@media (max-width:920px){
#menu-toggle{display:grid}
.header-inner{gap:12px}
.main-nav{position:absolute;top:var(--header-h);left:0;right:0;background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.main-nav.open{max-height:520px;overflow-y:auto;box-shadow:var(--shadow)}
.main-nav ul{flex-direction:column;padding:12px 16px 20px;gap:2px}
.main-nav a{padding:12px 14px;border-radius:var(--radius-sm);font-size:.98rem}
.main-nav a::after{display:none}
.site-search{display:none}
.hero-content{margin-top:-40px}
.hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
:root{--header-h:62px}
.header-inner{padding:0 14px}
main{padding:0 14px}
.brand-name{font-size:1.05rem}
.brand svg{width:34px;height:34px}
.hero{margin-top:16px}
.hero-slider{border-radius:var(--radius)}
.slider-prev,.slider-next{width:36px;height:36px;font-size:1.3rem}
.slider-prev{left:8px}.slider-next{right:8px}
.hero-content{margin-top:-24px;padding:0}
.hero-content h1{font-size:1.45rem}
.hero-lead{padding:16px 18px;font-size:.92rem}
.hero-stats{gap:10px}
.stat{padding:14px 10px}
.section{margin:26px 0;padding:20px 16px;border-radius:var(--radius)}
.section>h2{gap:10px;padding-bottom:12px;margin-bottom:18px;font-size:1.3rem}
.article-card{padding:18px 16px}
blockquote{padding:16px 18px 16px 20px}
.faq-question{padding:15px 44px 15px 16px;font-size:.95rem}
.faq-answer p{padding:0 16px 16px;font-size:.9rem}
.contact-info{padding:16px}
#howto ol li{padding:12px 14px 12px 52px}
#back-to-top{right:14px;bottom:14px;width:42px;height:42px}
.footer-inner{gap:24px}
}
@media (max-width:400px){.hero-stats{grid-template-columns:1fr 1fr}.stat-num{font-size:1.4rem}}
@media print{#site-header,#back-to-top,.hero-slider,.slider-prev,.slider-next{display:none}.section{box-shadow:none;border:1px solid #ccc;break-inside:avoid}body{background:#fff;color:#000}}