/* ========== 变量与基础 ========== */
:root{
  --bg-0:#07070c; --bg-1:#0b0b14; --bg-2:#10101b; --bg-3:#15152a; --bg-4:#1c1c2e;
  --text:#e2e8f0; --text-dim:#94a3b8; --text-mute:#64748b;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --violet:#8b5cf6; --purple:#a855f7; --cyan:#22d3ee; --pink:#ec4899;
  --amber:#fcd34d; --green:#34d399; --sky:#38bdf8; --rose:#fb7185;
  --grad-brand: linear-gradient(135deg,#8b5cf6 0%,#22d3ee 100%);
  --grad-text:  linear-gradient(135deg,#fff 0%,#a5b4fc 40%,#67e8f9 100%);
  --shadow-glow:0 0 40px -10px rgba(139,92,246,.55);
  --radius: 14px;
  --radius-lg: 22px;
  --ff-sans:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,"Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --ff-mono:"JetBrains Mono","Consolas","Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-0);color:var(--text);
  font-family:var(--ff-sans);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(139,92,246,.4);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#07070c}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--violet),var(--cyan));border-radius:10px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container.narrow{max-width:860px}

/* ========== 背景动效 ========== */
.bg-fx{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(120px);opacity:.55}
.blob-1{top:-180px;left:50%;transform:translateX(-50%);height:520px;width:820px;background:rgba(139,92,246,.45)}
.blob-2{top:40%;left:-160px;height:380px;width:380px;background:rgba(34,211,238,.35)}
.blob-3{top:70%;right:-140px;height:420px;width:420px;background:rgba(236,72,153,.3)}
.grid{
  position:absolute;inset:0;opacity:.06;
  background-image:
    linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:80px 80px;
  animation:gridmove 20s linear infinite;
}
@keyframes gridmove{0%{background-position:0 0}100%{background-position:80px 80px}}

/* ========== 头部导航 ========== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50}
.site-header .container{padding-top:16px;padding-bottom:0}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 20px;
  border:1px solid var(--line);border-radius:18px;
  background:rgba(11,11,20,.7);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-glow);
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-badge{
  display:inline-flex;height:36px;width:36px;align-items:center;justify-content:center;
  background:var(--grad-brand);border-radius:12px;color:#fff;box-shadow:var(--shadow-glow);
}
.brand-text{font-weight:800;letter-spacing:.15em;color:#fff;font-size:1.05rem}
.brand-text em{font-style:normal;color:var(--cyan)}

.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:10px;color:#cbd5e1;font-size:.88rem;font-weight:500;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:#fff;background:rgba(139,92,246,.2);box-shadow:inset 0 0 0 1px rgba(139,92,246,.45)}

.menu-btn{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line)}
.menu-btn:hover{background:rgba(255,255,255,.06)}

.mobile-menu{
  display:none;flex-direction:column;gap:2px;margin-top:10px;padding:8px;
  border:1px solid var(--line);border-radius:18px;background:rgba(11,11,20,.9);backdrop-filter:blur(18px);
}
.mobile-menu[hidden]{display:none !important}
.mobile-menu a{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:10px;color:#cbd5e1}
.mobile-menu a:hover{background:rgba(255,255,255,.06);color:#fff}

@media (max-width: 860px){
  .nav-menu{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .mobile-menu:not([hidden]){display:flex}
}

/* ========== Hero ========== */
main{padding-top:120px}
.hero{padding:60px 24px 100px}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;align-items:center}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:40px}}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:.8rem;color:#cbd5e1;backdrop-filter:blur(6px);
}
.dot-live{position:relative;display:inline-block;height:8px;width:8px;border-radius:50%;background:#10b981}
.dot-live::after{content:"";position:absolute;inset:-2px;border-radius:50%;background:#10b981;opacity:.6;animation:ping 1.6s cubic-bezier(0,0,.2,1) infinite}
@keyframes ping{75%,100%{transform:scale(2.2);opacity:0}}

.hero-title{
  margin-top:22px;font-weight:900;line-height:1.08;letter-spacing:.01em;
  font-size:clamp(2.25rem,5vw,4.25rem);
}
.t-line-1{display:block;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.t-line-2{display:block;margin-top:10px;background:linear-gradient(135deg,#8b5cf6 0%,#e879f9 50%,#22d3ee 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

.hero-sub{margin-top:22px;max-width:560px;color:var(--text-dim);font-size:1.05rem}
.hero-sub b{color:#fff;font-weight:600}

.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:14px;font-weight:600;font-size:.95rem;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn svg{width:16px;height:16px}
.btn-primary{
  position:relative;color:#fff;background:var(--grad-brand);
  box-shadow:0 10px 30px -10px rgba(139,92,246,.6);
  overflow:hidden;isolation:isolate;
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-40%;height:100%;width:40%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  animation:shine 2.8s ease-in-out infinite;
}
@keyframes shine{0%{transform:translateX(0)}100%{transform:translateX(420%)}}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(34,211,238,.55)}
.btn-ghost{color:#e2e8f0;border:1px solid var(--line-2);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.28);color:#fff}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;
  font-size:.88rem;color:#cbd5e1;border:1px solid var(--line);background:rgba(255,255,255,.03);
  backdrop-filter:blur(4px);
}
.chip svg{width:16px;height:16px}

.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:40px;max-width:520px}
.stat-num{font-weight:800;font-size:1.8rem;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;background-clip:text;color:transparent;font-family:var(--ff-mono)}
.stat-label{color:var(--text-dim);font-size:.82rem;margin-top:2px}

/* Hero 右侧终端卡 */
.hero-visual{display:flex;justify-content:center}
.panel{position:relative;width:100%;max-width:440px;border-radius:18px;overflow:hidden;background:rgba(11,11,20,.8);border:1px solid var(--line);box-shadow:var(--shadow-glow);backdrop-filter:blur(12px)}
.panel::before{content:"";position:absolute;inset:-12px;border-radius:28px;background:linear-gradient(135deg,rgba(139,92,246,.35),transparent 40%,rgba(34,211,238,.35));filter:blur(24px);z-index:-1;opacity:.8}
.float{animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

.panel-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);background:rgba(16,16,27,.8)}
.d{height:10px;width:10px;border-radius:50%}
.d-r{background:rgba(251,113,133,.85)}
.d-y{background:rgba(252,211,77,.85)}
.d-g{background:rgba(52,211,153,.85)}
.panel-title{margin-left:10px;font-family:var(--ff-mono);font-size:.75rem;color:var(--text-dim)}

.panel-body{padding:18px 20px;font-family:var(--ff-mono);font-size:.82rem;line-height:1.9;color:#cbd5e1}
.panel-body .pm{color:#34d399}
.panel-body .ok{color:#67e8f9}
.panel-body .ready{color:#86efac;animation:blink 1.8s ease-in-out infinite}
@keyframes blink{50%{opacity:.45}}
.panel-body .comment{margin-top:8px;color:var(--text-mute)}

.panel-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.panel-foot > div{padding:12px;text-align:center;border-right:1px solid rgba(255,255,255,.05)}
.panel-foot > div:last-child{border-right:0}
.pf-k{display:block;font-size:.72rem;color:var(--text-dim)}
.pf-v{display:block;font-size:.92rem;margin-top:2px;font-family:var(--ff-mono)}
.pf-v.green{color:#86efac}
.pf-v.cyan{color:#67e8f9}
.pf-v.violet{color:#c4b5fd}

/* ========== 通用区块 ========== */
.section{padding:80px 24px}
.section-head{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;margin-bottom:54px}
.kicker{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:.72rem;letter-spacing:.28em;color:#a5f3fc;text-transform:uppercase;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28);
}
.section-title{
  font-weight:900;font-size:clamp(1.9rem,3.4vw,2.8rem);line-height:1.15;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-sub{max-width:620px;color:var(--text-dim);margin-top:6px}
.trusted{display:inline-flex;align-items:center;gap:10px;color:var(--text-dim);font-size:.9rem;margin-top:6px}
.trusted svg{width:16px;height:16px}

/* ========== 产品 ========== */
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:960px){.product-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.product-grid{grid-template-columns:1fr}}

.p-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(21,21,42,.85),rgba(11,11,20,.9));
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.p-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.45);box-shadow:0 25px 60px -20px rgba(139,92,246,.45)}
.p-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.p-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,7,12,.95) 100%);z-index:1}
.p-cover-scene{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.p-cover-scene svg{width:100%;height:100%}

.p-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 10px;border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.08em;backdrop-filter:blur(8px);
}
.p-badge svg{width:14px;height:14px}
.b-pro{color:#fde68a;background:rgba(250,204,21,.1);border:1px solid rgba(250,204,21,.35)}
.b-lite{color:#bae6fd;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.35)}
.b-chams{color:#ddd6fe;background:rgba(167,139,250,.1);border:1px solid rgba(167,139,250,.35)}

.p-maint{
  position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;gap:8px;
  align-items:center;justify-content:center;background:rgba(7,7,12,.68);backdrop-filter:blur(2px);
  color:var(--amber);font-weight:700;letter-spacing:.18em;font-size:.75rem;
}
.p-maint svg{width:26px;height:26px}

.p-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.p-title{color:#fff;font-weight:800;font-size:1.1rem;letter-spacing:.02em}
.p-desc{color:var(--text-dim);font-size:.92rem;flex:1}
.p-foot{margin-top:6px}
.p-btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:12px;
  font-size:.85rem;font-weight:600;color:#fff;background:var(--grad-brand);
  box-shadow:0 10px 25px -12px rgba(139,92,246,.7);
  transition:transform .2s ease;
}
.p-btn svg{width:14px;height:14px}
.p-card:hover .p-btn{transform:translateY(-1px)}

/* ========== 评价 ========== */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:960px){.review-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.review-grid{grid-template-columns:1fr}}
.r-card{
  position:relative;border-radius:18px;padding:24px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(21,21,42,.78),rgba(11,11,20,.88));
  transition:border-color .3s ease,transform .3s ease;
}
.r-card:hover{border-color:rgba(34,211,238,.35);transform:translateY(-3px)}
.r-quote{position:absolute;top:18px;right:20px;color:rgba(139,92,246,.28);width:34px;height:34px}
.r-stars{display:flex;gap:2px;color:#fcd34d}
.r-stars svg{width:16px;height:16px}
.r-text{margin-top:6px;color:#cbd5e1;line-height:1.8}
.r-meta{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.r-user{display:flex;align-items:center;gap:12px}
.r-avatar{
  width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-family:var(--ff-mono);background:var(--grad-brand);
  box-shadow:0 8px 24px -10px rgba(139,92,246,.7);
}
.r-name{color:#fff;font-weight:600;line-height:1.2}
.r-product{color:var(--text-dim);font-size:.78rem;margin-top:2px}
.r-verify{width:20px;height:20px;color:#34d399}

/* ========== 截图轮播 ========== */
.slider{display:flex;flex-direction:column;gap:18px}
.slider-window{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:rgba(11,11,20,.8);box-shadow:var(--shadow-glow)}
.slide-track{display:flex;transition:transform .55s cubic-bezier(.22,.61,.36,1)}
.slide{flex:0 0 100%;aspect-ratio:16/9;position:relative;overflow:hidden}
.slide-ui{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.slide-ui svg{width:100%;height:100%}
.slide-label{
  position:absolute;bottom:14px;right:14px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:8px;
  background:rgba(7,7,12,.7);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.1);
}
.slide-label-dot{width:6px;height:6px;border-radius:50%;background:var(--s-a);box-shadow:0 0 8px var(--s-a)}
.slide-label-text{color:#cbd5e1;font-size:.78rem;font-weight:600;letter-spacing:.08em}

.slide-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  height:42px;width:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(7,7,12,.65);border:1px solid var(--line-2);backdrop-filter:blur(8px);color:#fff;
  transition:background .2s ease;
}
.slide-nav:hover{background:rgba(139,92,246,.45)}
.slide-nav.left{left:14px}.slide-nav.right{right:14px}
.slide-nav svg{width:20px;height:20px}
.slide-counter{position:absolute;top:14px;left:14px;font-family:var(--ff-mono);font-size:.72rem;color:var(--text-dim);background:rgba(7,7,12,.5);padding:4px 10px;border-radius:8px;backdrop-filter:blur(6px)}

.slide-dots{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap}
.dot{height:8px;width:8px;border-radius:999px;background:rgba(255,255,255,.22);transition:all .3s ease}
.dot.active{background:var(--grad-brand);width:26px}

/* ========== FAQ ========== */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq{border:1px solid var(--line);border-radius:16px;background:rgba(21,21,42,.55);overflow:hidden;transition:border-color .2s ease}
.faq:hover{border-color:rgba(139,92,246,.35)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;color:#fff;font-weight:600;text-align:left;font-size:1rem}
.faq-q .num{color:var(--cyan);font-family:var(--ff-mono);font-size:.85rem;margin-right:12px}
.faq-q svg{width:20px;height:20px;color:#a5f3fc;transition:transform .25s ease}
.faq.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--text-dim);line-height:1.8}
.faq-a > div{padding:0 22px 20px}

/* ========== CTA ========== */
.cta{position:relative;overflow:hidden;border-radius:26px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(21,21,42,.95),rgba(16,16,27,.95),rgba(21,21,42,.95));padding:60px 40px;box-shadow:var(--shadow-glow)}
.cta-blob{position:absolute;border-radius:50%;filter:blur(80px)}
.cta-blob.a{top:-120px;right:-80px;height:280px;width:280px;background:rgba(139,92,246,.4)}
.cta-blob.b{bottom:-100px;left:-60px;height:280px;width:280px;background:rgba(34,211,238,.3)}
.cta-inner{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
@media (max-width:860px){.cta-inner{grid-template-columns:1fr;gap:32px}}
.cta-title{font-weight:900;font-size:clamp(1.75rem,3vw,2.6rem);line-height:1.2;color:#fff}
.cta-title .grad{background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-sub{margin-top:16px;color:var(--text-dim);max-width:480px}
.cta-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.cta-list{grid-template-columns:1fr}}
.cta-list li{display:flex;gap:12px;padding:16px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.cta-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:2px}
.cta-list b{color:#fff;font-weight:600;display:block}
.cta-list span{color:var(--text-dim);font-size:.85rem}

/* ========== Footer ========== */
.site-footer{border-top:1px solid var(--line);background:rgba(11,11,20,.65);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding:60px 24px 30px}
@media (max-width:720px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-weight:700;margin-bottom:14px;font-size:1rem}
.links{display:flex;flex-direction:column;gap:8px;color:var(--text-dim)}
.links a:hover{color:#fff}
.mute{color:var(--text-dim);margin-top:14px;max-width:340px}
.mute.small{font-size:.82rem;margin-top:14px;color:var(--text-mute)}
.socials{display:flex;align-items:center;gap:10px}
.social{display:inline-flex;height:38px;width:38px;align-items:center;justify-content:center;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#cbd5e1;transition:all .2s ease}
.social:hover{color:#fff;border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.18)}
.social svg{width:16px;height:16px}
.copyright{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:18px 24px 36px;border-top:1px solid var(--line);color:var(--text-mute);font-size:.82rem;margin-top:10px}

/* ========== 图标颜色工具 ========== */
.c-yellow{color:#fcd34d}
.c-green{color:#34d399}
.c-rose{color:#fb7185}
.c-cyan{color:#22d3ee}
.c-violet{color:#a78bfa}
svg{vertical-align:middle}
i[data-icon]{display:inline-flex;width:18px;height:18px}
i[data-icon] svg{width:100%;height:100%}