:root{--pink:#ff4d79;--pink-2:#ff2e63;--pink-soft:#fff0f4;--ink:#14141c;--body:#5b6070;--muted:#9aa0ae;--line:#eceef4;--bg:#fff;--shell:1200px;--radius:20px;--shadow:0 18px 40px rgba(28,24,48,.07)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;color:var(--ink);background:var(--bg);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
button{color:inherit;font:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
.page-shell{width:min(calc(100% - 88px),var(--shell));margin-inline:auto}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:fixed;top:12px;left:12px;z-index:99;padding:10px 16px;color:#fff;background:#15151a;border-radius:10px;transform:translateY(-160%);transition:transform .2s ease}
.skip-link:focus{transform:none}
.site-header{position:fixed;inset:0 0 auto;z-index:50;padding:18px 0;backdrop-filter:blur(14px);transition:padding .3s ease,box-shadow .3s ease,background .3s ease}
.site-header.is-scrolled{padding:10px 0;background:rgba(255,255,255,.92);box-shadow:0 8px 26px rgba(28,24,48,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand img{width:40px;height:40px;border-radius:12px;box-shadow:0 6px 16px rgba(255,77,121,.2);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.brand:hover img{transform:rotate(-6deg) scale(1.06)}
.brand strong{font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:34px;color:#4a5060;font-size:15.5px}
.site-nav>a{position:relative;padding-block:6px}
.site-nav>a::after{content:"";position:absolute;right:50%;bottom:0;left:50%;height:2px;background:var(--pink);border-radius:2px;transition:right .28s ease,left .28s ease}
.site-nav>a:hover::after,.site-nav>a:focus-visible::after{right:0;left:0}
.nav-download{padding:11px 26px;color:#fff;background:linear-gradient(135deg,#ff6b8e,var(--pink-2));border:0;border-radius:999px;font-weight:700;transition:transform .25s ease}
.nav-download:hover,.nav-download:focus-visible{transform:translateY(-2px)}
.menu-toggle{display:none}
.hero{position:relative;overflow:hidden;padding:140px 0 40px;background:linear-gradient(180deg,#fdf7fa 0%,#f7f5fd 42%,#fff 100%)}
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;animation:blob 12s ease-in-out infinite alternate}
.hero-blob--pink{top:10px;right:-80px;width:420px;height:420px;background:radial-gradient(circle,#ffd0dd,transparent 70%)}
.hero-blob--blue{left:-120px;bottom:-40px;width:460px;height:460px;background:radial-gradient(circle,#d8e3ff,transparent 70%);animation-delay:-5s}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:center;gap:56px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 22px;padding:7px 16px;color:var(--pink);background:var(--pink-soft);border-radius:999px;font-size:14.5px;font-weight:600}
.hero h1{margin:0;font-size:clamp(42px,4.9vw,68px);font-weight:900;line-height:1.12;letter-spacing:-.01em}
.hero-lead{margin:24px 0 30px;max-width:34em;color:var(--body);font-size:17px}
.search-bar{display:flex;align-items:center;gap:10px;padding:7px 7px 7px 16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);transition:border-color .25s ease,box-shadow .25s ease}
.search-bar:focus-within{border-color:#ffc3d3;box-shadow:0 22px 46px rgba(255,60,110,.14)}
.search-bar__icon{display:grid;flex:0 0 auto;place-items:center;color:#b9bec9}
.search-bar input{flex:1;min-width:0;height:44px;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:15.5px}
.search-bar input::placeholder{color:#b9bec9}
.search-bar__submit{flex:0 0 auto;height:46px;padding:0 30px;color:#fff;background:linear-gradient(135deg,#ff6b8e,var(--pink-2));border:0;border-radius:12px;font-weight:700;transition:transform .2s ease}
.search-bar__submit:hover{transform:translateY(-1px)}
.search-bar__submit:active{transform:scale(.96)}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.hot-tags__label{color:var(--muted);font-size:14.5px}
.tag{padding:6px 15px;color:#5b6070;background:#f5f6fa;border:0;border-radius:999px;font-size:14px;transition:color .22s ease,background .22s ease,transform .22s ease}
.tag:hover{color:var(--pink);background:var(--pink-soft);transform:translateY(-2px)}
.tag.is-pop{animation:pop .4s cubic-bezier(.2,.9,.3,1.4)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 34px;border-radius:14px;font-size:16.5px;font-weight:700;border:1px solid transparent;transition:transform .22s ease,color .22s ease,background .22s ease}
.btn--primary{position:relative;overflow:hidden;color:#fff;background:linear-gradient(135deg,#ff6b8e,var(--pink-2))}
.btn--primary:hover{transform:translateY(-3px)}
.btn--ghost{color:var(--ink);background:#fff;border-color:var(--line)}
.btn--ghost:hover{color:var(--pink);border-color:#ffc3d3;transform:translateY(-3px)}
.btn--shine::after{content:"";position:absolute;top:0;left:-60%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg);animation:shine 3.6s ease-in-out infinite}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.5);transform:scale(0);animation:ripple .6s ease-out;pointer-events:none}
.btn--ghost .ripple{background:rgba(255,77,121,.22)}
.hero-art{position:relative;margin:0;perspective:1200px}
.hero-frame{position:relative;padding:16px;background:linear-gradient(150deg,rgba(255,255,255,.92),rgba(255,255,255,.6));border:1px solid rgba(255,255,255,.9);border-radius:26px;box-shadow:0 34px 70px rgba(60,40,90,.14),0 2px 6px rgba(60,40,90,.05);backdrop-filter:blur(6px);animation:float 6.5s ease-in-out infinite;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.hero-frame__head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:4px 6px 14px}
.hero-dots{display:inline-flex;gap:6px}
.hero-dots i{width:9px;height:9px;border-radius:50%;background:#ffc2cf}
.hero-dots i:nth-child(2){background:#ffd9a8}
.hero-dots i:nth-child(3){background:#c9dcff}
.hero-hint{color:#8f95a5;font-size:13px}
.hero-frame__stage{overflow:hidden;background:#fff;border-radius:18px}
.hero-frame__stage img{width:100%}
.hero-mascot{position:absolute;right:-22px;bottom:-30px;width:270px;animation:float 5s ease-in-out infinite reverse;pointer-events:none}
.pillars{padding:46px 0 0}
.pillars__list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:0;padding:40px 20px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}
.pillars__list li{padding:6px 40px;text-align:center;transition:transform .3s ease}
.pillars__list li+li{border-left:1px solid var(--line)}
.pillars__list li:hover{transform:translateY(-5px)}
.pillars__list h3{margin:0;font-size:21px;font-weight:800}
.pillars__list p{margin:6px 0 0;color:var(--muted);font-size:14.5px}
.discovery{padding:96px 0 110px}
.discovery__head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:38px}
.discovery__eyebrow{margin:0 0 10px;color:var(--pink);font-size:12.5px;font-weight:700;letter-spacing:.2em}
.discovery h2{margin:0;font-size:clamp(30px,3.4vw,42px);font-weight:900;letter-spacing:-.01em}
.discovery__note{margin:0;color:var(--muted);font-size:14.5px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:0;padding:0;list-style:none}
.card{display:flex;align-items:center;gap:16px;width:100%;padding:20px 22px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:18px;transition:transform .3s cubic-bezier(.2,.7,.2,1),border-color .3s ease}
.card:hover,.card:focus-visible{transform:translateY(-5px);border-color:#ffd3de}
.card__icon{display:grid;flex:0 0 auto;width:46px;height:46px;place-items:center;border-radius:14px;transition:transform .35s cubic-bezier(.2,.8,.2,1.3)}
.card:hover .card__icon{transform:scale(1.08) rotate(-6deg)}
.card__text{min-width:0}
.card__text h3{margin:0;font-size:16.5px;font-weight:800}
.card__text p{margin:3px 0 0;color:var(--muted);font-size:13.5px;line-height:1.5}
.card__arrow{flex:0 0 auto;margin-left:auto;color:#ccd1dc;transition:transform .3s ease,color .3s ease}
.card:hover .card__arrow{color:var(--pink);transform:translateX(4px)}
.site-footer{padding:54px 0 44px;border-top:1px solid var(--line);background:#fcfcfe}
.footer-inner{text-align:center}
.footer-inner p{margin:0;color:var(--muted);font-size:13.5px}
.beiangov{margin-left:6px;transition:color .2s ease}
.beiangov:hover{color:var(--pink)}
.toast{position:fixed;left:50%;bottom:36px;z-index:80;padding:14px 26px;color:#fff;background:rgba(20,20,28,.92);border-radius:14px;box-shadow:0 18px 40px rgba(0,0,0,.22);font-size:14.5px;opacity:0;transform:translate(-50%,20px);pointer-events:none;transition:opacity .3s ease,transform .3s ease}
.toast.is-visible{opacity:1;transform:translate(-50%,0)}
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .75s cubic-bezier(.2,.7,.2,1) var(--d,0ms),transform .75s cubic-bezier(.2,.7,.2,1) var(--d,0ms)}
.js .reveal.is-visible{opacity:1;transform:none}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes blob{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(30px,-26px,0) scale(1.12)}}
@keyframes shine{0%,62%{left:-60%}100%{left:130%}}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}
@keyframes pop{0%{transform:scale(1)}45%{transform:scale(.9)}100%{transform:scale(1)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media(max-width:1096px){
.hero-blob{display:none}
}
@media(max-width:1080px){
.page-shell{width:min(calc(100% - 56px),var(--shell))}
.hero{padding-top:118px}
.hero-inner{grid-template-columns:1fr;gap:44px}
.hero-lead{max-width:none}
.hero-art{max-width:660px;margin-inline:auto;width:100%}
.hero-mascot{width:168px;right:-8px;bottom:-26px}
.pillars__list li{padding:6px 24px}
.cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
.page-shell{width:calc(100% - 36px)}
.site-header{padding:12px 0}
.brand img{width:36px;height:36px;border-radius:11px}
.brand strong{font-size:16.5px}
.menu-toggle{position:relative;z-index:52;display:grid;width:42px;height:42px;padding:10px;place-content:center;gap:5px;background:transparent;border:0}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:3px;transition:.25s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.site-nav{position:fixed;inset:0;display:flex;padding:96px 24px 40px;flex-direction:column;align-items:stretch;gap:8px;background:rgba(255,255,255,.98);visibility:hidden;opacity:0;transform:translateY(-14px);transition:.25s ease}
.site-nav.is-open{visibility:visible;opacity:1;transform:none}
.site-nav>a{padding:14px 10px;text-align:center;font-size:18px}
.nav-download{padding:14px 10px;font-size:18px}
.hero{padding:100px 0 24px}
.hero h1{font-size:clamp(34px,9.6vw,48px)}
.hero-lead{margin:18px 0 24px;font-size:15.5px}
.search-bar{padding:6px 6px 6px 12px;border-radius:14px}
.search-bar input{height:40px;font-size:15px}
.search-bar__submit{height:42px;padding:0 20px;font-size:15px}
.hero-mascot{width:132px;bottom:-18px}
.hero-frame{padding:12px;border-radius:20px}
.hero-frame__stage{border-radius:14px}
.pillars{padding-top:34px}
.pillars__list{grid-template-columns:1fr;gap:18px;padding:28px 20px}
.pillars__list li+li{border-top:1px solid var(--line);border-left:0;padding-top:18px}
.pillars__list h3{font-size:18px}
.discovery{padding:64px 0 76px}
.discovery__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
.cards{grid-template-columns:1fr;gap:14px}
.card{padding:16px 18px}
.toast{width:calc(100% - 48px);padding:13px 20px;text-align:center;font-size:14px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}