:root{
    --primary:#D94A7A;
    --primary-2:#E76B98;
    --primary-light:#F4B7CC;
    --primary-soft:#FBE7EF;
    --rose:#B93667;
    --rose-deep:#7A2345;
    --rose-darker:#4A1830;
    --bg:#FFF7FA;
    --bg-2:#FCEEF3;
    --bg-3:#FFFDFE;
    --surface:#FFFFFF;
    --surface-soft:rgba(255,255,255,.82);
    --surface-strong:rgba(255,255,255,.96);
    --text:#351F2A;
    --text-2:#684A58;
    --text-3:#9A7A89;
    --line:rgba(217,74,122,.10);
    --line-strong:rgba(217,74,122,.22);
    --shadow:0 5px 22px rgba(177,54,103,.08);
    --shadow-hover:0 14px 38px rgba(177,54,103,.14);
    --radius:12px;
    --radius-card:16px;
    --radius-large:22px;
    --radius-pill:999px;
    --wrap:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}
body.search-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.wrap{width:min(calc(100% - 40px),var(--wrap));margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:12px;top:12px;z-index:9999;background:#fff;padding:10px 14px;border-radius:8px;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
:focus-visible{outline:3px solid rgba(217,74,122,.35);outline-offset:3px}
.top-notice{height:30px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(90deg,#D94A7A,#B85D8A,#8C6AA8);color:#fff;font-size:13px}
.notice-track{width:100%;display:flex;justify-content:center;gap:34px;white-space:nowrap}
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,247,250,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 3px 16px rgba(177,54,103,.08)}
.header-row{min-height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:9px;color:var(--rose-deep);font-size:20px;font-weight:800;flex:0 0 auto}
.brand img{border-radius:12px}
.desktop-nav{display:flex;align-items:center;gap:4px;min-width:0;flex:1;overflow-x:auto;scrollbar-width:none}
.desktop-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;padding:21px 9px 18px;color:var(--text-2);font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link.is-active{color:var(--rose)}
.nav-link.is-active::after{content:"";position:absolute;left:25%;right:25%;bottom:12px;height:2px;border-radius:999px;background:var(--primary)}
.header-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-button,.header-app,.mega summary{border:1px solid var(--line-strong);background:#fff;color:var(--rose-deep);border-radius:var(--radius-pill);padding:8px 14px;font-weight:700;font-size:13px}
.icon-button:hover,.header-app:hover,.mega summary:hover{border-color:var(--primary-light);color:var(--primary)}
.menu-toggle{display:none}
.service-row{height:0;position:relative;z-index:2}
.mega{position:absolute;right:0;top:-52px}
.mega summary{list-style:none;cursor:pointer}
.mega summary::-webkit-details-marker{display:none}
.mega-panel{position:absolute;right:0;top:44px;width:180px;padding:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;display:grid;gap:3px}
.mega-panel a{padding:9px 10px;border-radius:9px;color:var(--text-2)}
.mega-panel a:hover{background:var(--primary-soft);color:var(--rose)}
.breadcrumb{width:min(calc(100% - 40px),var(--wrap));margin:20px auto 0;color:var(--text-3);font-size:13px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--primary)}
.hero-home,.inner-hero{background:linear-gradient(135deg,#FFF7FA 0%,#FCEEF3 50%,#F6EEF8 100%)}
.hero-home{padding:70px 0 64px}
.inner-hero{padding:54px 0 56px;margin-top:12px}
.hero-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(340px,2fr);gap:56px;align-items:center}
.hero-copy h1{margin:8px 0 18px;font-size:clamp(36px,4.8vw,68px);line-height:1.12;letter-spacing:-1.5px;color:var(--rose-darker)}
.inner-hero .hero-copy h1{font-size:clamp(34px,4vw,54px)}
.hero-copy .accent{background:linear-gradient(90deg,#D94A7A,#B93667,#8C5D9E);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{margin:0 0 8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.lead{margin:0;color:var(--text-2);font-size:18px;max-width:740px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 20px;border-radius:var(--radius-pill);border:1px solid transparent;font-weight:800;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(217,74,122,.18)}
.btn-primary:hover{background:var(--rose)}
.btn-secondary{background:#fff;color:var(--rose-deep);border-color:var(--line-strong)}
.btn-secondary:hover{border-color:var(--primary-light);box-shadow:var(--shadow)}
.media-frame{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-large);overflow:hidden;box-shadow:var(--shadow)}
.media-frame img{width:100%;aspect-ratio:16/10}
.media-frame figcaption{padding:11px 14px;color:var(--text-3);font-size:12px;background:rgba(255,255,255,.94)}
.hero-media{box-shadow:0 24px 60px rgba(177,54,103,.13)}
.hero-media img{aspect-ratio:4/3}
.brand-chip{display:inline-flex;align-items:center;gap:10px;margin-bottom:12px;padding:8px 12px;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:var(--radius-pill)}
.brand-chip img{width:28px;height:28px;border-radius:8px}
.section{padding:68px 0;background:var(--bg-3)}
.section-soft{background:var(--bg-2)}
.section-white{background:#fff}
.section-head{max-width:820px;margin-bottom:28px}
.section-head h2{margin:4px 0 10px;color:var(--rose-deep);font-size:clamp(26px,3vw,38px);line-height:1.25}
.section-head p:not(.eyebrow){margin:0;color:var(--text-2)}
.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.channel-card{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px;transition:background .2s ease,transform .2s ease}
.channel-card:hover{background:var(--primary-soft);transform:translateY(-2px)}
.channel-icon{display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:#F6EEF8;color:#765883;font-weight:900}
.channel-card h3{margin:0 0 3px;font-size:16px}
.channel-card p{margin:0;color:var(--text-2);font-size:13px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:19px;box-shadow:0 4px 18px rgba(177,54,103,.07);transition:transform .2s ease,box-shadow .2s ease}
.content-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(177,54,103,.13)}
.content-card .media-frame{margin:-19px -19px 16px;border:0;border-radius:16px 16px 0 0;box-shadow:none}
.content-card .media-frame figcaption{font-size:11px}
.content-card h3{margin:8px 0 8px;font-size:19px;line-height:1.4}
.content-card p{margin:0;color:var(--text-2);font-size:14px}
.badge{display:inline-flex;margin-top:2px;padding:4px 9px;border-radius:999px;background:var(--primary-soft);color:var(--rose);font-size:11px;font-weight:800}
.badge.alt{background:#F6EEF8;color:#765883}
.text-link{display:inline-flex;margin-top:13px;color:var(--primary);font-weight:800;font-size:13px}
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:22px;align-items:stretch}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-large);overflow:hidden;box-shadow:var(--shadow)}
.feature-card .feature-body{padding:22px}
.feature-card h3{font-size:24px;margin:7px 0}
.feature-card p{color:var(--text-2);margin:0}
.stack{display:grid;gap:14px}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.rank-item{display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:var(--primary-soft)}
.rank-number{font-size:20px;font-weight:900;color:#B89AA7}
.rank-item:nth-child(1) .rank-number{color:#B93667}.rank-item:nth-child(2) .rank-number{color:#D94A7A}.rank-item:nth-child(3) .rank-number{color:#E76B98}
.rank-item h3{margin:0;font-size:16px}.rank-item span:last-child{font-size:12px;color:var(--text-3)}
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.topic-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;font-weight:800;color:var(--rose-deep)}
.topic-card:nth-child(3n+2){background:#FBE7EF}.topic-card:nth-child(3n){background:#F6EEF8}
.info-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.info-list article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.info-list h3{margin:0 0 6px;font-size:17px}.info-list p{margin:0;color:var(--text-2);font-size:14px}
.split-block{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.split-copy h2{color:var(--rose-deep);font-size:34px;line-height:1.25;margin:7px 0 14px}.split-copy p{color:var(--text-2)}
.inline-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.mini-link{padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--rose);font-weight:700;font-size:13px}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item h3{margin:0}
.faq-button{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:#fff;color:var(--text);padding:17px 18px;font-weight:800}
.faq-button:hover,.faq-button[aria-expanded="true"]{background:var(--primary-soft)}
.faq-answer{padding:0 18px 18px;color:var(--text-2)}.faq-answer p{margin:0}
.cta-panel{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:30px;border:1px solid var(--line-strong);border-radius:var(--radius-large);background:linear-gradient(135deg,#fff,#FBE7EF)}
.cta-panel h2{margin:4px 0 6px;color:var(--rose-deep)}.cta-panel p:not(.eyebrow){margin:0;color:var(--text-2)}
.app-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.app-shot{scroll-margin-top:100px}
.browser-stack{display:grid;gap:24px}.browser-row{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.browser-row:nth-child(even) .media-frame{order:2}
.timeline{display:grid;gap:14px}.timeline article{position:relative;padding:18px 18px 18px 48px;background:#fff;border:1px solid var(--line);border-radius:14px}.timeline article::before{content:"";position:absolute;left:20px;top:24px;width:10px;height:10px;border-radius:50%;background:var(--primary)}
.notice-box{padding:18px 20px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;color:var(--text-2)}
.search-page-form{display:grid;grid-template-columns:1fr auto;gap:10px;max-width:760px}.search-page-form input,.search-form input{width:100%;border:1px solid var(--line-strong);background:#fff;color:var(--text);border-radius:999px;padding:12px 16px;outline:none}.search-page-form input:focus,.search-form input:focus{border-color:var(--primary)}
.search-results{display:grid;gap:12px}.search-result{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px}.search-result h3{margin:0 0 5px}.search-result p{margin:0;color:var(--text-2)}
.mobile-drawer{position:fixed;right:0;top:0;bottom:0;z-index:150;width:min(360px,88vw);background:#fff;padding:18px;box-shadow:-18px 0 45px rgba(74,24,48,.15);overflow:auto}.mobile-drawer[hidden]{display:none!important}.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.drawer-close{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px}.mobile-drawer nav{display:grid;gap:4px}.mobile-drawer nav a{padding:11px 12px;border-radius:10px;color:var(--text-2)}.mobile-drawer nav a:hover{background:var(--primary-soft);color:var(--rose)}
.drawer-overlay{position:fixed;inset:0;z-index:140;background:rgba(53,31,42,.26)}.drawer-overlay[hidden]{display:none!important}
.search-modal{display:none;position:fixed;inset:0;z-index:220;align-items:flex-start;justify-content:center;padding:10vh 20px 20px;background:rgba(74,24,48,.32);backdrop-filter:blur(8px)}
.search-modal.is-open{display:flex}
.search-modal[hidden]{display:none!important}
.search-dialog{width:min(720px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 30px 80px rgba(74,24,48,.2)}
.search-dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-dialog-head h2{margin:2px 0 16px;color:var(--rose-deep)}
.search-close{border:1px solid var(--line-strong);background:#fff;border-radius:999px;padding:8px 12px;color:var(--rose-deep)}
.search-form{display:grid;grid-template-columns:1fr auto;gap:10px}.search-hint{margin:12px 0 0;color:var(--text-3);font-size:13px}.noscript-search{text-align:center;padding:8px;background:#fff}.noscript-search a{color:var(--primary);font-weight:700}
.site-footer{background:linear-gradient(135deg,#4A1830,#68213E,#50203A);color:rgba(255,255,255,.72);padding:54px 0 84px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:30px}.footer-grid h2,.footer-grid h3{color:#fff;margin-top:0}.footer-grid section{display:flex;flex-direction:column;gap:7px}.footer-grid p{margin:0;max-width:320px}.footer-grid a:hover{color:var(--primary-light)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.mobile-bottom{display:none}.back-top{position:fixed;right:18px;bottom:20px;z-index:80;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:50%;background:#fff;color:var(--primary);box-shadow:var(--shadow)}.back-top[hidden]{display:none!important}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}.reveal.is-visible{opacity:1;transform:none}
@media (max-width:1200px){.desktop-nav{gap:0}.nav-link{padding-left:7px;padding-right:7px}.header-app{display:none}}
@media (max-width:1100px){.desktop-nav,.mega{display:none}.header-row{justify-content:space-between}.header-tools{margin-left:auto}.menu-toggle{display:inline-flex}.channel-grid{grid-template-columns:repeat(2,1fr)}.card-grid.four{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){.hero-home,.inner-hero{padding:46px 0}.hero-grid,.feature-grid,.split-block,.browser-row{grid-template-columns:1fr;gap:24px}.browser-row:nth-child(even) .media-frame{order:0}.hero-copy h1{letter-spacing:-.7px}.card-grid,.app-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){.wrap{width:min(calc(100% - 28px),var(--wrap))}.top-notice{height:28px}.notice-track{justify-content:flex-start;padding-left:18px;gap:24px;overflow:hidden}.brand span{font-size:18px}.header-row{min-height:62px}.icon-button{padding:7px 10px}.header-tools .js-search-open{font-size:0}.header-tools .js-search-open::after{content:"搜索";font-size:12px}.section{padding:48px 0}.card-grid,.app-grid,.info-list{grid-template-columns:1fr}.cta-panel{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:110px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:100;background:#fff;border-top:1px solid var(--line-strong);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;padding:11px 4px;color:var(--text-2);font-size:12px;font-weight:700}.mobile-bottom a:hover{color:var(--primary);background:var(--primary-soft)}.back-top{bottom:72px}}
@media (max-width:600px){.header-tools{gap:5px}.brand img{width:38px;height:38px}.hero-home{padding-top:34px}.hero-copy h1{font-size:38px}.inner-hero .hero-copy h1{font-size:34px}.lead{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}.channel-grid,.topic-grid,.card-grid.four{grid-template-columns:1fr}.rank-item{grid-template-columns:38px 1fr}.rank-item span:last-child{display:none}.search-form,.search-page-form{grid-template-columns:1fr}.search-dialog{padding:20px}.footer-grid{grid-template-columns:1fr}.footer-grid section:first-child{grid-column:auto}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.btn,.content-card,.channel-card{transition:none}.reveal{opacity:1;transform:none}}

.mt-18{margin-top:18px;}