:root{--pri:#7c3aed;--pri-d:#6d28d9;--bg:#f5f3ff;--surf:#fff;--surf-alt:#ede9fe;--text:#1e1b2e;--dim:#6b6880;--bdr:#ddd6fe;--tag-bg:rgba(124,58,237,.06);--tag-c:#7c3aed;--green-bg:rgba(16,185,129,.05);--green-c:#10b981;--sh-s:0 1px 3px rgba(0,0,0,.04);--sh-m:0 2px 10px rgba(0,0,0,.06);--r-s:6px;--r-m:10px;--r-l:14px}
*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh}a{color:var(--pri);text-decoration:none;transition:color .2s}a:hover{color:var(--pri-d)}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:960px;margin:0 auto;padding:0 16px}
.site-header{background:var(--surf);border-bottom:1px solid var(--bdr);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;height:52px}.site-logo{font-size:1.05rem;font-weight:700;color:var(--pri);display:flex;align-items:center;gap:6px}.site-logo img{height:28px;width:auto;border-radius:4px}.nav-toggle{display:flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s}.main-nav{display:none;position:absolute;top:52px;left:0;right:0;background:var(--surf);border-bottom:1px solid var(--bdr);box-shadow:var(--sh-m);z-index:99}.main-nav.open{display:block}.main-nav ul{list-style:none;padding:6px 0}.main-nav li a{display:block;padding:10px 18px;font-size:.88rem;color:var(--dim)}.main-nav li a:hover,.main-nav li a.active{color:var(--pri);background:var(--tag-bg)}
.hero{padding:30px 0 26px;position:relative;overflow:hidden}.hero-bg{position:absolute;inset:0;z-index:0}.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.18}.hero .container{position:relative;z-index:1}.hero h1{font-size:1.45rem;font-weight:800;line-height:1.35;margin-bottom:8px}.hero .sub{font-size:.86rem;line-height:1.6;margin-bottom:14px;color:var(--dim)}.hero-tags{display:flex;flex-wrap:wrap;gap:6px}.hero-tags span{padding:3px 10px;font-size:.72rem;border-radius:16px;font-weight:500;background:var(--tag-bg);color:var(--tag-c)}
.section{padding:24px 0}.section-alt{background:var(--surf-alt)}.stitle{font-size:1.05rem;font-weight:700;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--pri);line-height:1.3}.sdesc{font-size:.84rem;color:var(--dim);margin-bottom:14px;line-height:1.6}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.card-grid-3{grid-template-columns:repeat(3,1fr)}.card{display:block;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-s);transition:box-shadow .2s}.card:hover{box-shadow:var(--sh-m)}.card img{width:100%;aspect-ratio:16/10;object-fit:cover}.card-body{padding:10px 12px}.card-t{font-size:.86rem;font-weight:600;color:var(--text);margin-bottom:3px;line-height:1.35}.card-d{font-size:.74rem;color:var(--dim);line-height:1.5}.card-icon{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:2rem;background:var(--tag-bg)}
.list-stack{display:flex;flex-direction:column;gap:8px}.list-card{display:flex;gap:12px;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r-m);padding:12px;box-shadow:var(--sh-s);transition:border-color .2s}.list-card:hover{border-color:var(--pri)}.list-card img{width:80px;height:60px;object-fit:cover;border-radius:var(--r-s);flex-shrink:0}.list-card .lc-t{font-size:.86rem;font-weight:600;color:var(--text);line-height:1.35}.list-card .lc-d{font-size:.74rem;color:var(--dim);margin-top:2px}
.info-box{background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r-m);padding:16px;box-shadow:var(--sh-s);margin-bottom:10px}.info-box h3{font-size:.9rem;font-weight:700;color:var(--pri);margin-bottom:5px}.info-box p{font-size:.82rem;color:var(--dim);line-height:1.65}
.step-list{counter-reset:step}.step-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--bdr)}.step-item:last-child{border-bottom:none}.step-num{counter-increment:step;flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--pri);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}.step-num::after{content:counter(step)}.step-body h4{font-size:.88rem;font-weight:600;margin-bottom:2px}.step-body p{font-size:.8rem;color:var(--dim);line-height:1.55}
.compare-table{width:100%;border-collapse:collapse;font-size:.82rem;margin-bottom:12px}.compare-table th,.compare-table td{padding:10px 12px;border:1px solid var(--bdr);text-align:left}.compare-table th{background:var(--tag-bg);font-weight:600;color:var(--pri)}.compare-table td{color:var(--dim)}
.update-strip{background:var(--green-bg);border:1px solid rgba(0,128,0,.1);border-radius:var(--r-m);padding:14px 16px}.update-strip .ut{font-size:.9rem;font-weight:700;color:var(--green-c);margin-bottom:8px}.update-strip ul{list-style:none}.update-strip li{position:relative;padding:4px 0 4px 14px;font-size:.8rem;color:var(--dim);line-height:1.55}.update-strip li::before{content:'';position:absolute;left:0;top:10px;width:5px;height:5px;background:var(--green-c);border-radius:50%}.update-time{font-size:.7rem;color:var(--dim);margin-top:6px;opacity:.6}
.faq-list{display:flex;flex-direction:column;gap:6px}.faq-item{background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r-m);overflow:hidden}.faq-q{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;font-size:.86rem;font-weight:600;cursor:pointer;background:none;border:none;width:100%;text-align:left;color:var(--text)}.faq-q::after{content:'+';font-size:1rem;font-weight:700;color:var(--pri);flex-shrink:0;margin-left:8px}.faq-item.open .faq-q::after{content:'\2212'}.faq-a{display:none;padding:0 14px 12px;font-size:.8rem;color:var(--dim);line-height:1.65}.faq-item.open .faq-a{display:block}
.rec-wrap{display:flex;flex-wrap:wrap;gap:6px}.rec-tag{display:inline-block;padding:7px 14px;font-size:.8rem;font-weight:500;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r-l);color:var(--text);transition:all .2s}.rec-tag:hover{border-color:var(--pri);color:var(--pri)}
.page-content{background:var(--surf);border-radius:var(--r-m);padding:18px 16px;box-shadow:var(--sh-s);font-size:.86rem;line-height:1.75;color:var(--dim)}.page-content h2{font-size:.98rem;font-weight:700;margin:16px 0 6px;color:var(--pri)}.page-content h3{font-size:.9rem;font-weight:600;margin:12px 0 5px;color:var(--text)}.page-content p{margin-bottom:8px}.page-content ul,.page-content ol{margin:6px 0 10px 16px}.page-content li{margin-bottom:4px}
.sub-hero{padding:22px 0 18px}.sub-hero h1{font-size:1.15rem;font-weight:700;margin-bottom:4px}.sub-hero p{font-size:.84rem;color:var(--dim)}.breadcrumb{padding:8px 0;font-size:.76rem;color:var(--dim)}.breadcrumb a{color:var(--dim)}.breadcrumb a:hover{color:var(--pri)}.breadcrumb span{margin:0 4px}
.site-footer{background:var(--surf);border-top:1px solid var(--bdr);padding:20px 0 16px;margin-top:14px}.footer-nav{display:flex;flex-wrap:wrap;gap:5px 12px;margin-bottom:12px}.footer-nav a{font-size:.78rem;color:var(--dim)}.footer-nav a:hover{color:var(--pri)}.footer-info{font-size:.7rem;color:rgba(0,0,0,.3);line-height:1.6}
@media(min-width:768px){.nav-toggle{display:none}.main-nav{display:block;position:static;background:transparent;border:none;box-shadow:none}.main-nav ul{display:flex;gap:4px;padding:0}.main-nav li a{padding:6px 10px;border-radius:var(--r-s)}.hero h1{font-size:1.7rem}.card-grid{grid-template-columns:repeat(3,1fr)}}
.hero{background:linear-gradient(135deg,#f5f3ff 0%,#ddd6fe 50%,#c4b5fd 100%)}