:root{
    --bg:#07070d;
    --panel:#11101e;
    --panel-2:#171429;
    --text:#f9f4ff;
    --muted:#b8add4;
    --gold:#ffd36b;
    --purple:#a45bff;
    --cyan:#69e6ff;
    --pink:#ff69b4;
    --line:rgba(255,255,255,.13);
    --shadow:0 24px 80px rgba(0,0,0,.38);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{
    margin:0;
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    background:
        radial-gradient(circle at 18% -10%,rgba(164,91,255,.28),transparent 36rem),
        radial-gradient(circle at 86% 14%,rgba(255,211,107,.18),transparent 30rem),
        linear-gradient(180deg,#07070d 0%,#090812 42%,#05050a 100%);
    line-height:1.7;
    overflow-x:hidden;
}
body:before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background-image:
        linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
    background-size:80px 80px;
    mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 86%);
    z-index:-1;
}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button,input{font:inherit}
.site-header{
    position:relative;
    padding:18px clamp(16px,4vw,56px) 26px;
    isolation:isolate;
}
.header-glow{
    position:absolute;
    inset:0 0 auto;
    height:320px;
    background:linear-gradient(90deg,rgba(164,91,255,.16),rgba(255,211,107,.12),rgba(105,230,255,.1));
    filter:blur(60px);
    opacity:.88;
    z-index:-1;
}
.nav-shell{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:22px;
    max-width:1280px;
    margin:auto;
    padding:12px;
    border:1px solid var(--line);
    border-radius:24px;
    background:rgba(10,9,18,.72);
    backdrop-filter:blur(20px);
    box-shadow:var(--shadow);
}
.brand-lockup{
    display:inline-flex;
    align-items:center;
    gap:12px;
    min-width:max-content;
}
.brand-lockup img{
    border-radius:18px;
    box-shadow:0 0 30px rgba(255,211,107,.24);
}
.brand-lockup strong{
    display:block;
    font-size:1.08rem;
    letter-spacing:.08em;
}
.brand-lockup em{
    display:block;
    color:var(--muted);
    font-size:.78rem;
    font-style:normal;
}
.nav-list{
    list-style:none;
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:4px;
    padding:0;
    margin:0;
    flex-wrap:wrap;
}
.nav-list a{
    display:inline-flex;
    align-items:center;
    padding:10px 13px;
    border-radius:999px;
    color:#ded6f2;
    font-size:.92rem;
    transition:.25s ease;
}
.nav-list a:hover,.nav-list a.is-active{
    color:#161019;
    background:linear-gradient(135deg,var(--gold),#fff2b8);
    box-shadow:0 0 24px rgba(255,211,107,.28);
}
.nav-toggle{
    display:none;
    border:0;
    color:var(--text);
    background:rgba(255,255,255,.09);
    border-radius:14px;
    padding:8px 12px;
}
.search-wrap{
    max-width:1040px;
    margin:18px auto 0;
}
.fake-search{
    display:grid;
    grid-template-columns:auto minmax(0,1fr) auto;
    align-items:center;
    gap:10px;
    padding:9px 9px 9px 18px;
    border:1px solid rgba(255,211,107,.22);
    border-radius:999px;
    background:rgba(13,12,24,.76);
    box-shadow:0 20px 70px rgba(0,0,0,.24), inset 0 0 32px rgba(164,91,255,.08);
}
.search-icon{color:var(--gold);font-size:1.2rem}
.fake-search input{
    width:100%;
    color:var(--text);
    background:transparent;
    border:0;
    outline:0;
}
.fake-search input::placeholder{color:#9287ad}
.fake-search button,.btn{
    border:0;
    cursor:pointer;
    border-radius:999px;
    padding:12px 20px;
    color:#180f1c;
    background:linear-gradient(135deg,var(--gold),#fff1b3);
    font-weight:800;
    box-shadow:0 16px 42px rgba(255,211,107,.22);
    transition:.25s ease;
}
.fake-search button:hover,.btn:hover{transform:translateY(-2px)}
.search-note{
    margin:10px 18px 0;
    color:var(--muted);
    font-size:.9rem;
}
.hero{
    max-width:1280px;
    margin:26px auto 0;
    padding:0 clamp(16px,4vw,56px);
    display:grid;
    grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);
    gap:26px;
    align-items:stretch;
}
.hero-copy,.hero-media,.section-panel,.feature-card,.video-card,.topic-card,.review-card,.faq-card,.expert-card,.contact-card{
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(23,20,41,.82),rgba(9,8,18,.82));
    box-shadow:var(--shadow);
}
.hero-copy{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius);
    padding:clamp(28px,5vw,64px);
}
.hero-copy:after{
    content:"";
    position:absolute;
    width:360px;height:360px;
    right:-120px;bottom:-140px;
    background:radial-gradient(circle,rgba(255,211,107,.28),transparent 60%);
}
.eyebrow{
    margin:0 0 12px;
    color:var(--gold);
    font-weight:900;
    letter-spacing:.14em;
    text-transform:uppercase;
    font-size:.82rem;
}
h1,h2,h3,h4{line-height:1.18;margin:0;color:var(--text)}
h1{
    font-size:clamp(2.36rem,6vw,5.8rem);
    letter-spacing:-.06em;
}
h2{font-size:clamp(1.8rem,3.5vw,3.4rem);letter-spacing:-.04em}
h3{font-size:1.18rem}
.hero-copy .lead{
    max-width:720px;
    color:#ded5f8;
    font-size:clamp(1.02rem,2vw,1.26rem);
    margin:20px 0 0;
}
.domain-chip{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:20px;
    padding:9px 13px;
    border:1px solid rgba(105,230,255,.24);
    border-radius:999px;
    color:#dffaff;
    background:rgba(105,230,255,.08);
    font-size:.92rem;
}
.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px;
}
.btn.ghost{
    color:var(--text);
    background:rgba(255,255,255,.08);
    border:1px solid var(--line);
    box-shadow:none;
}
.hero-stats{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:12px;
    margin-top:32px;
}
.hero-stats strong{
    display:block;
    font-size:1.5rem;
    color:var(--gold);
}
.hero-stats span{font-size:.88rem;color:var(--muted)}
.hero-media{
    border-radius:var(--radius);
    padding:16px;
    overflow:hidden;
    position:relative;
}
.hero-media figure{margin:0;position:relative;border-radius:24px;overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover;min-height:520px}
.hero-media figcaption,.sub-hero-image figcaption{
    position:absolute;
    left:14px;right:14px;bottom:14px;
    padding:12px 14px;
    border:1px solid var(--line);
    border-radius:18px;
    background:rgba(6,6,12,.72);
    color:#dfd6f4;
    font-size:.86rem;
    backdrop-filter:blur(12px);
}
.hero-float{
    position:absolute;
    right:28px;
    top:28px;
    padding:12px 16px;
    border-radius:18px;
    background:rgba(255,211,107,.92);
    color:#171019;
    font-weight:900;
    box-shadow:0 20px 54px rgba(255,211,107,.25);
}
.section-block{
    max-width:1280px;
    margin:68px auto 0;
    padding:0 clamp(16px,4vw,56px);
}
.section-title{
    display:grid;
    grid-template-columns:minmax(0,.78fr) minmax(280px,.62fr);
    gap:24px;
    align-items:end;
    margin-bottom:22px;
}
.section-title p:not(.eyebrow){color:var(--muted);margin:0}
.video-grid,.feature-grid,.topic-grid,.review-grid,.expert-grid,.faq-grid,.partner-grid,.contact-grid{
    display:grid;
    gap:18px;
}
.video-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.feature-grid,.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.review-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.expert-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.partner-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
.contact-grid{grid-template-columns:1fr 1fr}
.video-card,.feature-card,.topic-card,.review-card,.faq-card,.expert-card,.contact-card{
    border-radius:24px;
    overflow:hidden;
}
.video-card{
    position:relative;
    transition:.28s ease;
}
.video-card:hover{
    transform:translateY(-6px);
    border-color:rgba(255,211,107,.46);
    box-shadow:0 28px 90px rgba(164,91,255,.25);
}
.video-frame{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:#0c0b14;
}
.video-frame video{
    width:100%;
    height:100%;
    object-fit:cover;
    opacity:.94;
    transition:.35s ease;
}
.video-card:hover video{transform:scale(1.06);filter:saturate(1.18) contrast(1.08)}
.video-frame:after{
    content:"";
    position:absolute;
    inset:0;
    background:radial-gradient(circle at 50% 50%,transparent,rgba(0,0,0,.62));
    opacity:.48;
    transition:.3s ease;
}
.video-card:hover .video-frame:after{opacity:.2}
.play-button{
    position:absolute;
    inset:50% auto auto 50%;
    transform:translate(-50%,-50%) scale(.86);
    width:62px;height:62px;
    border:1px solid rgba(255,255,255,.32);
    border-radius:50%;
    background:rgba(255,211,107,.92);
    color:#180f1c;
    opacity:0;
    z-index:2;
    cursor:pointer;
    box-shadow:0 0 46px rgba(255,211,107,.38);
    transition:.25s ease;
}
.video-card:hover .play-button,.video-card.is-ready .play-button{
    opacity:1;
    transform:translate(-50%,-50%) scale(1);
}
.video-badge{
    position:absolute;
    left:12px;top:12px;
    z-index:2;
    padding:6px 10px;
    border-radius:999px;
    color:#170f1b;
    background:linear-gradient(135deg,var(--gold),#fff3bd);
    font-weight:900;
    font-size:.78rem;
}
.video-body{padding:16px}
.video-body p{color:var(--muted);margin:9px 0 0;font-size:.94rem}
.metrics{
    display:flex;
    gap:8px;
    flex-wrap:wrap;
    margin-top:14px;
}
.metrics span{
    padding:5px 8px;
    border-radius:999px;
    background:rgba(255,255,255,.07);
    color:#f3eaff;
    font-size:.78rem;
}
.image-desc{
    font-size:.78rem!important;
    color:#9186a8!important;
}
.feature-card,.topic-card,.review-card,.faq-card,.contact-card{
    padding:22px;
}
.feature-card span,.topic-card .text-link{
    color:var(--gold);
    font-weight:900;
}
.feature-card p,.topic-card p,.review-card p,.faq-card p,.contact-card p,.expert-card p{
    color:var(--muted);
    margin:10px 0 0;
}
.topic-card{
    min-height:190px;
    background:
        radial-gradient(circle at 100% 0,rgba(255,211,107,.11),transparent 44%),
        linear-gradient(180deg,rgba(23,20,41,.82),rgba(9,8,18,.88));
}
.community-stream{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
}
.barrage{
    min-height:360px;
    position:relative;
    overflow:hidden;
    border-radius:24px;
    border:1px solid var(--line);
    background:linear-gradient(135deg,rgba(164,91,255,.15),rgba(255,211,107,.08)),rgba(12,10,22,.88);
}
.barrage span{
    position:absolute;
    left:100%;
    white-space:nowrap;
    padding:8px 12px;
    border-radius:999px;
    color:#fff8e6;
    background:rgba(255,255,255,.09);
    border:1px solid var(--line);
    animation:barrage 14s linear infinite;
}
.barrage span:nth-child(1){top:38px;animation-delay:0s}
.barrage span:nth-child(2){top:98px;animation-delay:2s}
.barrage span:nth-child(3){top:164px;animation-delay:4s}
.barrage span:nth-child(4){top:228px;animation-delay:6s}
.barrage span:nth-child(5){top:294px;animation-delay:8s}
@keyframes barrage{
    from{transform:translateX(0)}
    to{transform:translateX(-145vw)}
}
.expert-card img{
    width:100%;
    aspect-ratio:1/1;
    object-fit:cover;
}
.expert-card div{padding:18px}
.review-card strong{color:var(--gold)}
.review-card small{
    display:block;
    margin-top:12px;
    color:#f2e9ff;
}
.faq-card h3{color:#fff1c0}
.partner-logo{
    min-height:84px;
    display:grid;
    place-items:center;
    text-align:center;
    border:1px solid var(--line);
    border-radius:20px;
    color:#fff2c9;
    background:linear-gradient(135deg,rgba(255,211,107,.13),rgba(164,91,255,.12));
    font-weight:900;
}
.section-panel{
    max-width:1280px;
    margin:26px auto 0;
    padding:clamp(20px,4vw,46px);
    border-radius:var(--radius);
    display:grid;
    grid-template-columns:1fr .88fr;
    gap:28px;
    align-items:center;
}
.sub-hero-image{
    margin:0;
    border-radius:24px;
    overflow:hidden;
    position:relative;
}
.sub-hero-image img{width:100%;height:100%;object-fit:cover;min-height:360px}
.breadcrumb{
    max-width:1280px;
    margin:22px auto 0;
    padding:0 clamp(16px,4vw,56px);
    color:var(--muted);
    font-size:.9rem;
}
.breadcrumb a{color:var(--gold)}
.site-footer{
    max-width:1280px;
    margin:80px auto 0;
    padding:28px clamp(16px,4vw,56px) 36px;
    display:grid;
    grid-template-columns:1fr auto auto;
    gap:24px;
    align-items:center;
    border-top:1px solid var(--line);
}
.site-footer p{color:var(--muted);margin:10px 0 0}
.footer-qrs{
    display:flex;
    gap:14px;
}
.footer-qrs figure{margin:0;text-align:center;color:var(--muted);font-size:.82rem}
.footer-qrs img{border-radius:18px;border:1px solid var(--line)}
.social-share{
    display:flex;
    flex-direction:column;
    gap:8px;
}
.social-share a{
    color:#fff1c0;
    padding:8px 10px;
    border:1px solid var(--line);
    border-radius:999px;
    text-align:center;
}
.particle{
    position:fixed;
    width:3px;
    height:3px;
    border-radius:50%;
    background:var(--gold);
    opacity:.62;
    pointer-events:none;
    animation:floatParticle 6s ease-in-out infinite;
    z-index:0;
}
@keyframes floatParticle{
    0%,100%{transform:translate3d(0,0,0);opacity:.2}
    50%{transform:translate3d(14px,-24px,0);opacity:.85}
}
@media (max-width:1100px){
    .video-grid,.review-grid,.expert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .feature-grid,.topic-grid,.partner-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .hero,.section-panel{grid-template-columns:1fr}
    .hero-media img{min-height:360px}
    .section-title{grid-template-columns:1fr}
    .site-footer{grid-template-columns:1fr}
}
@media (max-width:760px){
    .nav-toggle{display:inline-flex}
    .nav-list{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        padding-top:10px;
    }
    .nav-list.is-open{display:flex}
    .nav-shell{align-items:flex-start;flex-wrap:wrap}
    .nav-list a{justify-content:center}
    .fake-search{grid-template-columns:auto 1fr}
    .fake-search button{grid-column:1 / -1}
    .hero{padding:0 14px}
    .hero-copy{padding:26px}
    .hero-stats{grid-template-columns:1fr}
    .video-grid,.feature-grid,.topic-grid,.review-grid,.expert-grid,.faq-grid,.partner-grid,.contact-grid,.community-stream{grid-template-columns:1fr}
    .section-block{margin-top:48px;padding:0 14px}
    .section-panel{margin:20px 14px 0;padding:22px}
    .footer-qrs{flex-wrap:wrap}
}

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