/* =================================================================
   scene6.cc · 共享样式
   视觉调性：深色 / 紫青渐变 / 工具感
   ================================================================= */
:root{
  --bg:#0b1020;
  --bg-2:#0e1526;
  --panel:#151d36;
  --panel-2:#1a2440;
  --line:#26304f;
  --line-2:#2c3963;
  --tx:#eaf1ff;
  --tx-2:#b7c3de;
  --tx-3:#7f8db0;
  --violet:#7c6bff;
  --violet-2:#5b53ff;
  --cyan:#35d0ff;
  --cyan-2:#22b8e6;
  --green:#3ddc97;
  --amber:#ffb454;
  --red:#ff6b7a;
  --grad:linear-gradient(135deg,#7c6bff 0%,#35d0ff 100%);
  --grad-soft:linear-gradient(135deg,rgba(124,107,255,.18),rgba(53,208,255,.18));
  --shadow:0 14px 40px rgba(0,8,30,.45);
  --radius:16px;
  --radius-lg:22px;
  --maxw:1180px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(124,107,255,.18),transparent 60%),
    radial-gradient(900px 500px at 0% 10%,rgba(53,208,255,.12),transparent 60%),
    var(--bg);
  color:var(--tx);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
  overflow-x:hidden;
}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:var(--violet)}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,h4{color:var(--tx);margin:.2em 0;line-height:1.25}
h1{font-size:clamp(34px,4.4vw,54px);font-weight:800;letter-spacing:.5px}
h2{font-size:clamp(26px,2.6vw,34px);font-weight:800}
h3{font-size:20px;font-weight:700}
p{color:var(--tx-2)}
ul,ol{color:var(--tx-2);padding-left:1.4em}
li{margin:.3em 0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* 通用 */
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);padding:6px 12px;border:1px solid rgba(53,208,255,.35);
  border-radius:999px;background:rgba(53,208,255,.06);margin-bottom:14px}
.kicker{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:84px 0}
.section-tight{padding:56px 0}
.lead{font-size:18px;color:var(--tx-2);max-width:760px}
.muted{color:var(--tx-3)}
.divider{height:1px;background:var(--line);margin:36px 0}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:12px;font-weight:700;
  font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .2s,border-color .2s;
  font-family:inherit;color:var(--tx)}
.btn-primary{background:var(--grad);color:#0b1020;box-shadow:0 10px 28px rgba(53,208,255,.28)}
.btn-primary:hover{transform:translateY(-2px);color:#0b1020;box-shadow:0 16px 36px rgba(53,208,255,.36)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--tx);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn .ico{width:18px;height:18px}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.78);
  backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(38,48,79,.55)}
.nav .inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav .brand{display:flex;align-items:center;gap:14px}
.nav .brand img{height:42px;width:auto}
.nav .menu{display:flex;align-items:center;gap:6px}
.nav .menu a{padding:9px 14px;border-radius:10px;color:var(--tx-2);font-weight:600;font-size:15px}
.nav .menu a:hover{color:var(--tx);background:rgba(255,255,255,.04)}
.nav .menu a.active{color:var(--tx);background:rgba(124,107,255,.14)}
.nav .burger{display:none;background:none;border:0;color:var(--tx);width:42px;height:42px;cursor:pointer}
.nav .burger span{display:block;width:22px;height:2px;background:var(--tx);margin:5px auto;border-radius:2px;transition:.2s}
@media (max-width:860px){
  .nav .menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;
    padding:12px;background:rgba(11,16,32,.96);border-bottom:1px solid var(--line);display:none}
  .nav .menu.open{display:flex}
  .nav .menu a{padding:12px 14px}
  .nav .burger{display:block}
  .nav .cta-mobile{display:inline-flex;margin-top:6px}
}
.cta-mobile{display:none}

/* Hero */
.hero{padding:84px 0 48px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:auto 0 -10% 0;height:260px;
  background:radial-gradient(700px 200px at 50% 0%,rgba(124,107,255,.35),transparent 70%);pointer-events:none}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1 span.kicker{display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero .bullets{display:flex;gap:18px;margin-top:20px;flex-wrap:wrap}
.hero .bullets li{list-style:none;color:var(--tx-2);font-size:14px;display:flex;align-items:center;gap:8px}
.hero .bullets li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.hero .visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero .visual::before{content:"";position:absolute;inset:-40px -40px -10px -40px;
  background:radial-gradient(closest-side,rgba(53,208,255,.18),transparent 70%);z-index:0}
.hero .visual img{position:relative;z-index:1;border-radius:38px;box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.06)}
.hero .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:36px}
.hero .stats .b{padding:14px;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.hero .stats .b strong{display:block;font-size:22px;color:var(--cyan)}
.hero .stats .b span{font-size:12px;color:var(--tx-3);letter-spacing:.08em}
@media (max-width:900px){
  .hero .grid{grid-template-columns:1fr;gap:32px}
  .hero .visual img{max-width:380px}
  .hero .stats{grid-template-columns:repeat(2,1fr)}
}

/* 数据条 */
.data-row{padding:36px 0;border-block:1px solid var(--line);background:rgba(255,255,255,.02)}
.data-row .row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.data-row .row div strong{font-size:30px;color:var(--cyan);display:block}
.data-row .row div span{color:var(--tx-3);font-size:13px;letter-spacing:.1em}
@media (max-width:780px){.data-row .row{grid-template-columns:repeat(2,1fr)}}

/* 卡片 */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  transition:transform .2s,border-color .2s,background .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(124,107,255,.45)}
.card .icon{width:46px;height:46px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(124,107,255,.12);color:var(--cyan);margin-bottom:14px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;font-size:14.5px;color:var(--tx-2)}

/* 网格 */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:900px){.cards-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.cards-3,.cards-2{grid-template-columns:1fr}}

/* 功能特性（深色卡片） */
.feature{background:linear-gradient(180deg,rgba(124,107,255,.08),rgba(53,208,255,.04));border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;position:relative;overflow:hidden}
.feature .tag{display:inline-block;font-size:11px;color:var(--cyan);letter-spacing:.16em;text-transform:uppercase;
  border:1px solid rgba(53,208,255,.3);padding:4px 8px;border-radius:6px;margin-bottom:12px}
.feature h3{font-size:20px;margin-bottom:10px}
.feature p{font-size:14.5px}
.feature ul{padding-left:0;list-style:none}
.feature ul li{position:relative;padding-left:20px;font-size:14px;color:var(--tx-2);margin:6px 0}
.feature ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--grad);border-radius:2px;transform:rotate(45deg)}

/* 截图墙 */
.shots-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shots-wall .item{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);
  background:var(--panel-2);transition:transform .2s,border-color .2s}
.shots-wall .item:hover{transform:translateY(-6px);border-color:rgba(53,208,255,.5)}
.shots-wall .item img{width:100%;display:block}
.shots-wall .item .cap{position:absolute;left:14px;bottom:14px;background:rgba(11,16,32,.7);
  padding:8px 12px;border-radius:10px;font-size:13px;color:var(--tx);border:1px solid var(--line)}
@media (max-width:900px){.shots-wall{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.shots-wall{grid-template-columns:1fr}}

/* 深度模块入口 */
.deep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.deep-grid a{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;display:block;color:var(--tx);transition:.2s;position:relative;overflow:hidden}
.deep-grid a:hover{border-color:var(--violet);transform:translateY(-3px)}
.deep-grid a::after{content:"→";position:absolute;right:22px;top:22px;font-size:22px;color:var(--cyan)}
.deep-grid .num{font-family:"JetBrains Mono",ui-monospace,monospace;color:var(--tx-3);font-size:13px}
.deep-grid h3{margin:6px 0 8px}
.deep-grid p{font-size:14px;margin:0;color:var(--tx-2)}
@media (max-width:900px){.deep-grid{grid-template-columns:1fr}}

/* 评价 */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;
  position:relative}
.review::before{content:"\201C";position:absolute;left:14px;top:-10px;font-size:60px;color:var(--violet);font-family:Georgia,serif;opacity:.5}
.review .quote{font-size:15px;color:var(--tx);line-height:1.8}
.review .who{margin-top:16px;display:flex;align-items:center;gap:10px}
.review .avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#0b1020;
  display:flex;align-items:center;justify-content:center;font-weight:800}
.review .who strong{display:block;font-size:14px;color:var(--tx)}
.review .who span{font-size:12px;color:var(--tx-3)}
.stars{color:#ffce4d;font-size:14px;letter-spacing:2px}
@media (max-width:900px){.reviews{grid-template-columns:1fr}}

/* FAQ */
.faq .q{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:20px 22px;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;
  font-weight:600;color:var(--tx);transition:border-color .2s,background .2s}
.faq .q:hover{border-color:var(--violet)}
.faq .q::after{content:"+";font-size:22px;color:var(--cyan);transition:transform .2s}
.faq .q.open{background:linear-gradient(180deg,rgba(124,107,255,.12),rgba(53,208,255,.04));border-color:var(--violet)}
.faq .q.open::after{transform:rotate(45deg);color:var(--violet)}
.faq .a{max-height:0;overflow:hidden;padding:0 22px;color:var(--tx-2);background:rgba(255,255,255,.02);
  border:1px solid transparent;border-radius:14px;margin:-4px 0 10px;transition:max-height .3s ease, padding .3s}
.faq .a.open{padding:18px 22px;border-color:var(--line);max-height:900px}

/* 内页正文 */
.article h1{margin-top:0}
.article h2{margin-top:38px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.article h3{margin-top:26px}
.article p,.article li{font-size:16px;color:var(--tx-2)}
.article ul li{position:relative}
.article ol li{margin:.5em 0;padding-left:6px}
.article .lead{font-size:18px}
.callout{border-left:3px solid var(--cyan);padding:14px 18px;border-radius:10px;background:rgba(53,208,255,.06);margin:18px 0}
.callout.warn{border-left-color:var(--amber);background:rgba(255,180,84,.08)}
.callout.danger{border-left-color:var(--red);background:rgba(255,107,122,.08)}
.callout.success{border-left-color:var(--green);background:rgba(61,220,151,.08)}
.callout strong{color:var(--tx)}
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;counter-reset:step;margin:18px 0}
.steps .item{counter-increment:step;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:18px;position:relative}
.steps .item::before{content:counter(step);position:absolute;left:-10px;top:-12px;width:36px;height:36px;
  background:var(--grad);color:#0b1020;border-radius:50%;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(124,107,255,.4)}
.steps .item h4{margin:6px 0 6px;font-size:16px;color:var(--tx)}
.steps .item p{margin:0;font-size:14px}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.kw-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.kw-list a{font-size:13px;padding:6px 12px;border-radius:999px;background:rgba(124,107,255,.08);
  border:1px solid rgba(124,107,255,.25);color:var(--tx-2)}
.kw-list a:hover{background:rgba(53,208,255,.12);color:var(--cyan);border-color:rgba(53,208,255,.4)}
.toc{background:rgba(255,255,255,.03);border:1px dashed var(--line-2);border-radius:14px;padding:16px 20px;margin:18px 0}
.toc h4{margin:0 0 8px;font-size:13px;color:var(--tx-3);letter-spacing:.18em;text-transform:uppercase}
.toc ol{padding-left:20px;margin:0}
.toc a{color:var(--tx-2)}

/* CTA 下载区 */
.cta-download{padding:60px 0;background:linear-gradient(135deg,rgba(124,107,255,.18),rgba(53,208,255,.12));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-download .inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-download h2{margin:0;font-size:28px}
.cta-download p{margin:6px 0 0;color:var(--tx-2)}

/* Footer */
footer{background:#070b18;border-top:1px solid var(--line);padding:56px 0 30px;margin-top:40px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
footer h4{font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--tx-3);margin-bottom:12px}
footer ul{list-style:none;padding:0;margin:0}
footer ul li{margin:8px 0}
footer a{color:var(--tx-2)}
footer a:hover{color:var(--cyan)}
footer .brand-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
footer .brand-row img{height:36px}
footer .desc{color:var(--tx-3);font-size:14px;max-width:340px}
.disclaimer{margin-top:28px;padding:16px 18px;background:rgba(53,208,255,.06);border:1px dashed rgba(53,208,255,.3);
  border-radius:12px;color:var(--tx-3);font-size:13px}
.copy{text-align:center;color:var(--tx-3);font-size:13px;margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
@media (max-width:820px){footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){footer .cols{grid-template-columns:1fr}}

/* 锚点发光 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 小工具 */
.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}.gap-12{gap:12px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-28{margin-top:28px}

/* 页面顶端条幅 */
.crumbs{padding:14px 0;color:var(--tx-3);font-size:13px;border-bottom:1px solid var(--line)}
.crumbs a{color:var(--tx-3)}
.crumbs a:hover{color:var(--cyan)}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:42px;height:42px;border-radius:12px;
  background:var(--grad);color:#0b1020;display:none;align-items:center;justify-content:center;font-weight:800;
  box-shadow:0 10px 24px rgba(53,208,255,.35);cursor:pointer;z-index:60}
.to-top.show{display:flex}

/* 内联代码与正文小元素 */
code{font-family:Consolas,"Courier New",ui-monospace,monospace;font-size:.88em;color:#ffd08a;
  background:rgba(255,180,84,.08);border:1px solid rgba(255,180,84,.18);padding:1px 7px;border-radius:6px}
small{color:var(--tx-3);font-size:13px;line-height:1.7}
em{color:var(--cyan);font-style:normal}