:root{
  --bg-deep:#080a14;
  --bg-navy:#0d1120;
  --bg-purple:#141026;
  --card:#141a2e;
  --card-2:#1a2138;
  --line:rgba(120,160,255,.16);
  --cyan:#3ff0d8;
  --purple:#a06bff;
  --yellow:#ffe45e;
  --text:#e8ecf8;
  --text-dim:#98a3bf;
  --radius:18px;
  --pad:22px;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep);
  color:var(--text);
  font-family:var(--font);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(circle at 12% 8%,rgba(63,240,216,.08),transparent 45%),
    radial-gradient(circle at 88% 20%,rgba(160,107,255,.10),transparent 45%),
    radial-gradient(circle at 50% 100%,rgba(255,228,94,.04),transparent 55%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* 滚动进度条 */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--yellow));
  z-index:999;box-shadow:0 0 12px rgba(63,240,216,.7);
  transition:width .1s linear;
}
/* 自定义滚动条 */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#0a0d18}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--cyan),var(--purple));
  border-radius:99px;box-shadow:0 0 8px rgba(63,240,216,.5);
}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,var(--purple),var(--yellow))}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  transition:background .3s,backdrop-filter .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(8,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1180px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.5px}
.brand img{height:34px;width:auto;border-radius:8px}
.nav-links{display:flex;gap:22px;font-size:14px;color:var(--text-dim)}
.nav-links a{position:relative;padding:4px 0;transition:color .25s}
.nav-links a:hover,.nav-links a.active{color:var(--cyan)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:99px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;
  position:relative;overflow:hidden;
}
.btn-primary{
  background:linear-gradient(100deg,var(--cyan),var(--purple));
  color:#06121a;font-weight:700;
  box-shadow:0 8px 28px rgba(63,240,216,.28);
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);animation:btnShine 3.6s infinite;
}
@keyframes btnShine{0%{left:-120%}55%{left:130%}100%{left:130%}}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(160,107,255,.4)}
.btn-ghost{
  border:1px solid rgba(63,240,216,.45);color:var(--cyan);background:rgba(63,240,216,.06);
}
.btn-ghost:hover{background:rgba(63,240,216,.14);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:13px}

/* 通用区块 */
.section{position:relative;z-index:1;padding:82px 20px}
.section-inner{max-width:1180px;margin:0 auto}
.section-alt{background:var(--bg-navy)}
.section-purple{background:linear-gradient(180deg,var(--bg-purple),var(--bg-deep))}
.section-grid{
  background-image:
    linear-gradient(rgba(120,160,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.section-dots{
  background-image:radial-gradient(rgba(160,107,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
}
.divider{
  height:1px;border:0;
  background:linear-gradient(90deg,transparent,rgba(63,240,216,.5),rgba(160,107,255,.5),transparent);
}
.sec-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:34px}
.sec-num{
  flex:none;font-family:ui-monospace,monospace;font-size:13px;font-weight:700;
  color:var(--cyan);border:1px solid rgba(63,240,216,.5);border-radius:8px;
  padding:3px 9px;letter-spacing:1px;box-shadow:0 0 14px rgba(63,240,216,.2) inset;
}
.sec-titles h2{
  font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:1px;
  background:linear-gradient(100deg,#fff 5%,var(--cyan) 45%,var(--purple) 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-titles p{color:var(--text-dim);font-size:14px;margin-top:6px}
h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}

/* 01 首屏 */
.hero-wrap{padding:104px 20px 40px}
.hero-box{
  max-width:1180px;margin:0 auto;position:relative;overflow:hidden;
  border:1px solid rgba(63,240,216,.28);border-radius:28px;
  background:
    radial-gradient(circle at 78% 22%,rgba(160,107,255,.22),transparent 52%),
    radial-gradient(circle at 12% 78%,rgba(63,240,216,.16),transparent 55%),
    linear-gradient(160deg,#0b1024,#131030 60%,#0a0d1a);
  padding:clamp(28px,4.5vw,60px);
  box-shadow:0 30px 90px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.03) inset;
}
.hero-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(63,240,216,.4) 1px,transparent 1px);
  background-size:30px 30px;opacity:.22;
  animation:bgDrift 20s linear infinite;
}
@keyframes bgDrift{from{background-position:0 0}to{background-position:60px 120px}}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;
  gap:44px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;
  color:var(--yellow);border:1px solid rgba(255,228,94,.35);
  border-radius:99px;padding:5px 14px;background:rgba(255,228,94,.07);
  margin-bottom:20px;letter-spacing:.6px;
}
.hero-eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--yellow);
  box-shadow:0 0 8px var(--yellow);animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.6);opacity:.5}}
.hero-title{
  font-size:clamp(30px,5vw,54px);line-height:1.22;font-weight:900;letter-spacing:1.5px;
  background:linear-gradient(96deg,#ffffff 10%,var(--cyan) 48%,var(--purple) 92%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:18px;
}
.hero-title span{display:inline-block;animation:letterUp .7s backwards both}
@keyframes letterUp{from{transform:translateY(16px);opacity:.2}to{transform:translateY(0);opacity:1}}
.hero-sub{color:var(--text-dim);font-size:15.5px;max-width:480px;margin-bottom:28px}
.hero-sub b{color:var(--cyan);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:20px;font-size:12.5px;color:#7d88a6;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hero-note i{width:5px;height:5px;border-radius:50%;background:var(--purple)}

/* 分镜格 */
.panels{position:relative;height:400px}
.panel{
  position:absolute;border-radius:16px;overflow:hidden;
  border:1px solid rgba(63,240,216,.4);
  box-shadow:0 18px 44px rgba(0,0,0,.55);
  background:linear-gradient(150deg,#1b2340,#0e1224);
}
.panel img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.panel:hover img{transform:scale(1.05)}
.panel-1{
  width:52%;height:66%;left:0;top:6%;
  transform:rotate(-3deg);animation:floatA 7s ease-in-out infinite;
}
.panel-2{
  width:48%;height:58%;right:0;top:26%;
  transform:rotate(3.5deg);animation:floatB 8s ease-in-out infinite;
}
.panel-3{
  width:38%;height:38%;left:26%;bottom:0;
  transform:rotate(-1.5deg);animation:floatA 9s ease-in-out infinite reverse;
}
@keyframes floatA{0%,100%{margin-top:0}50%{margin-top:-14px}}
@keyframes floatB{0%,100%{margin-top:0}50%{margin-top:-20px}}
.ai-tag{
  position:absolute;top:8px;left:8px;z-index:3;
  font-size:10.5px;font-weight:700;letter-spacing:.6px;
  color:#04121a;background:linear-gradient(90deg,var(--cyan),#8df5e6);
  padding:3px 9px;border-radius:6px;box-shadow:0 0 12px rgba(63,240,216,.65);
}
.bubble{
  position:absolute;z-index:4;right:2%;bottom:6px;
  background:rgba(13,17,32,.86);border:1px solid rgba(160,107,255,.45);
  border-radius:14px 14px 14px 4px;padding:10px 14px;font-size:12.5px;
  backdrop-filter:blur(8px);box-shadow:0 10px 26px rgba(0,0,0,.5);
  animation:floatB 6s ease-in-out infinite;
}
.bubble b{color:var(--yellow);font-weight:700}

/* 02 流水线 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.flow-step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;transition:transform .3s,border-color .3s,box-shadow .3s;
}
.flow-step:hover{transform:translateY(-6px);border-color:rgba(63,240,216,.5);box-shadow:0 14px 34px rgba(63,240,216,.12)}
.flow-idx{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:12.5px;font-weight:800;color:#06121a;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  margin-bottom:12px;animation:pulse 2.6s infinite;
}
.flow-step h3{font-size:14.5px;margin-bottom:6px}
.flow-step p{font-size:12.5px;color:var(--text-dim);line-height:1.6}
.flow-thumb{
  margin-top:12px;border-radius:10px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:#0a0e1c;
}
.flow-thumb img{width:100%;height:100%;object-fit:cover}

/* 03 角色图鉴 */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.char-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .35s,box-shadow .35s,border-color .35s;
  position:relative;
}
.char-card:hover{transform:rotate(-1.2deg) translateY(-6px);border-color:rgba(160,107,255,.6);box-shadow:0 20px 46px rgba(160,107,255,.2)}
.char-pic{aspect-ratio:3/4;overflow:hidden;position:relative;background:#0b1020}
.char-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.char-card:hover .char-pic img{transform:scale(1.06)}
.char-body{padding:14px 16px 16px}
.char-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.tag{
  font-size:11px;padding:3px 9px;border-radius:99px;
  border:1px solid rgba(63,240,216,.35);color:var(--cyan);background:rgba(63,240,216,.07);
}
.tag.purple{border-color:rgba(160,107,255,.4);color:#c9a8ff;background:rgba(160,107,255,.1)}
.quote{font-size:12.5px;color:#9aa5c2;border-left:2px solid rgba(63,240,216,.5);padding-left:9px;margin-top:10px}
.char-param{
  position:absolute;inset:auto 0 0 0;padding:12px 16px;font-size:11.5px;color:#c8d2ec;
  background:rgba(10,13,26,.9);border-top:1px solid rgba(160,107,255,.4);
  transform:translateY(100%);transition:transform .35s;backdrop-filter:blur(6px);
}
.char-card:hover .char-param{transform:translateY(0)}

/* 04 风格模型 marquee */
.marquee{overflow:hidden;position:relative;padding:6px 0}
.marquee::before,.marquee::after{
  content:"";position:absolute;top:0;bottom:0;width:70px;z-index:3;pointer-events:none;
}
.marquee::before{left:0;background:linear-gradient(90deg,var(--bg-deep),transparent)}
.marquee::after{right:0;background:linear-gradient(270deg,var(--bg-deep),transparent)}
.marquee-track{display:flex;gap:18px;width:max-content;animation:scrollX 34s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scrollX{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.style-card{
  width:230px;flex:none;background:var(--card-2);border-radius:var(--radius);
  border:1px solid rgba(63,240,216,.24);overflow:hidden;
  transition:transform .3s,box-shadow .3s;
}
.style-card:hover{transform:translateY(-8px);box-shadow:0 18px 36px rgba(63,240,216,.18)}
.style-pic{aspect-ratio:4/3;overflow:hidden;background:#0b1020}
.style-pic img{width:100%;height:100%;object-fit:cover}
.style-info{padding:12px 14px}
.style-info h3{font-size:14.5px}
.style-info p{font-size:12px;color:var(--text-dim)}

/* 05 协作工坊 */
.collab-row{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;margin-bottom:26px;
}
.collab-row.rev .collab-pic{order:2}
.collab-pic{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#0b1020}
.collab-pic img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s}
.collab-pic:hover img{transform:scale(1.04)}
.collab-text{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.collab-text p{color:var(--text-dim);font-size:14px;margin-top:8px}
.step-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.step-chip{font-size:12px;padding:5px 12px;border-radius:8px;background:rgba(63,240,216,.08);border:1px solid rgba(63,240,216,.28);color:#a8f3e9}

/* 06 放映厅 */
.screen-box{
  border:1px solid rgba(160,107,255,.4);border-radius:24px;overflow:hidden;
  background:linear-gradient(160deg,#101528,#0a0d1a);padding:20px;
}
.slides{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.slide{min-width:100%;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;padding:6px}
.slide-pic{border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#0b1020}
.slide-pic img{width:100%;height:100%;object-fit:cover}
.slide-info h3{font-size:19px;margin-bottom:8px}
.slide-info p{color:var(--text-dim);font-size:14px;margin-bottom:14px}
.slide-tag{display:inline-block;font-size:11.5px;color:var(--yellow);border:1px solid rgba(255,228,94,.4);border-radius:6px;padding:2px 9px;margin-bottom:10px}
.dots{display:flex;gap:9px;justify-content:center;margin-top:18px}
.dot-nav{width:9px;height:9px;border-radius:50%;background:rgba(160,107,255,.3);border:0;cursor:pointer;padding:0;transition:all .3s}
.dot-nav.active{width:26px;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--purple));box-shadow:0 0 12px rgba(63,240,216,.6)}

/* 07 数据看板 */
.data-banner{
  position:relative;overflow:hidden;border-radius:24px;padding:36px 26px;
  background:linear-gradient(120deg,#0b1024,#1a1238 70%,#0a0d1a);
  border:1px solid rgba(63,240,216,.25);
}
.data-banner::before{
  content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(63,240,216,.13),transparent);
  animation:dataFlow 7s linear infinite;
}
@keyframes dataFlow{from{left:-40%}to{left:120%}}
.data-row{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}
.data-item{text-align:center;padding:16px 8px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}
.data-num{
  font-size:clamp(22px,3vw,32px);font-weight:900;letter-spacing:1px;
  background:linear-gradient(100deg,var(--cyan),var(--yellow));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-family:ui-monospace,monospace;
}
.data-label{font-size:12.5px;color:var(--text-dim);margin-top:4px}
.rank-row{position:relative;z-index:2;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.rank-item{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px 12px;
  transition:border-color .3s,transform .3s;
}
.rank-item:hover{border-color:rgba(63,240,216,.5);transform:translateY(-3px)}
.rank-badge{
  flex:none;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
  font-size:11.5px;font-weight:800;color:#06121a;background:linear-gradient(135deg,var(--yellow),var(--cyan));
}
.rank-item span{font-size:13px;color:#dbe2f5}

/* 08 弹幕墙 */
.echo-wrap{position:relative;overflow:hidden}
.danmu{
  position:absolute;top:0;left:0;right:0;height:100%;pointer-events:none;overflow:hidden;
}
.danmu span{
  position:absolute;white-space:nowrap;font-size:13px;color:rgba(255,255,255,.24);
  animation:danmuMove linear infinite;
}
@keyframes danmuMove{from{transform:translateX(110%)}to{transform:translateX(-120%)}}
.echo-row{display:flex;gap:16px;width:max-content;margin-bottom:18px}
.echo-row.r2{animation-direction:reverse}
.echo-track{display:flex;gap:16px;animation:scrollX 40s linear infinite}
.echo-track.r2{animation:scrollX2 46s linear infinite}
@keyframes scrollX2{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.echo-wrap:hover .echo-track{animation-play-state:paused}
.echo-card{
  width:250px;flex:none;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:14px 16px;
}
.echo-head{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.avatar{
  width:30px;height:30px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  display:grid;place-items:center;font-size:12px;font-weight:800;color:#06121a;
}
.echo-name{font-size:12.5px;color:#cfd7ea;font-weight:600}
.stars{color:var(--yellow);font-size:11.5px;letter-spacing:1px}
.echo-card p{font-size:12.5px;color:var(--text-dim);line-height:1.6}

/* 09 提示词集市 */
.prompt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.prompt-card{
  position:relative;background:var(--card-2);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:border-color .3s,transform .3s;
}
.prompt-card:hover{border-color:rgba(255,228,94,.5);transform:translateY(-4px)}
.prompt-pic{aspect-ratio:16/10;overflow:hidden;background:#0b1020}
.prompt-pic img{width:100%;height:100%;object-fit:cover}
.prompt-body{padding:13px 15px}
.prompt-body h3{font-size:14px;margin-bottom:4px}
.prompt-body p{font-size:12px;color:var(--text-dim)}
.prompt-layer{
  position:absolute;inset:0;padding:18px;display:flex;flex-direction:column;justify-content:center;
  background:rgba(8,11,22,.94);backdrop-filter:blur(6px);
  opacity:0;transition:opacity .3s;font-size:12.5px;color:#cdd6ec;line-height:1.8;
}
.prompt-card:hover .prompt-layer{opacity:1}
.prompt-layer strong{color:var(--cyan);display:block;margin-bottom:6px;font-size:13px}

/* 10 排期 */
.cal-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cal-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;display:flex;gap:14px;align-items:flex-start;
  transition:border-color .3s,transform .3s;
}
.cal-card:hover{border-color:rgba(63,240,216,.45);transform:translateY(-4px)}
.cal-date{
  flex:none;width:56px;text-align:center;border-radius:12px;padding:8px 4px;
  background:linear-gradient(160deg,rgba(63,240,216,.16),rgba(160,107,255,.16));
  border:1px solid rgba(63,240,216,.3);
}
.cal-date b{display:block;font-size:19px;font-family:ui-monospace,monospace;color:var(--cyan)}
.cal-date span{font-size:11px;color:var(--text-dim)}
.cal-text h3{font-size:14.5px;margin-bottom:4px}
.cal-text p{font-size:12.5px;color:var(--text-dim)}
.cal-tags{display:flex;gap:7px;margin-top:8px;flex-wrap:wrap}

/* 11 FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:none;border:0;color:var(--text);
  padding:18px 20px;font-size:14.5px;font-weight:600;font-family:inherit;
  display:flex;justify-content:space-between;align-items:center;gap:14px;cursor:pointer;
}
.faq-q .icon{
  flex:none;width:22px;height:22px;border-radius:50%;border:1px solid rgba(63,240,216,.5);
  color:var(--cyan);display:grid;place-items:center;font-size:14px;transition:transform .3s;
}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
  font-size:13.5px;color:var(--text-dim);
}
.faq-a p{padding:0 20px 18px}

/* 12 CTA + 页脚 */
.cta-box{
  position:relative;overflow:hidden;border-radius:26px;padding:clamp(30px,5vw,58px) 26px;
  background:linear-gradient(120deg,rgba(63,240,216,.2),rgba(160,107,255,.28) 55%,rgba(255,228,94,.14));
  border:1px solid rgba(255,255,255,.14);text-align:center;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:34px 34px;opacity:.14;
  animation:bgDrift 22s linear infinite;
}
.cta-box h2{
  position:relative;z-index:2;font-size:clamp(22px,3.4vw,34px);font-weight:900;
  color:#fff;letter-spacing:1px;margin-bottom:12px;text-shadow:0 4px 22px rgba(0,0,0,.4);
}
.cta-box p{position:relative;z-index:2;color:rgba(255,255,255,.86);font-size:15px;margin-bottom:26px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-actions .btn-primary{background:#08111e;color:#7ef7e6;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.1)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2)}

.site-footer{
  position:relative;z-index:1;border-top:1px solid var(--line);
  background:#060810;padding:42px 20px 24px;
}
.footer-inner{max-width:1180px;margin:0 auto}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;margin-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:9px;font-weight:700;margin-bottom:10px;font-size:15px}
.footer-brand img{height:28px;border-radius:6px}
.footer-desc{font-size:12.5px;color:#69748f;line-height:1.8;max-width:290px}
.footer-col h4{font-size:13px;color:#b4bfd8;margin-bottom:12px;font-weight:600}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:12.5px;color:#69748f;transition:color .25s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:#525d78;
}
.footer-bottom a{color:#69748f}
.footer-bottom a:hover{color:var(--cyan)}
.brand-marquee{
  margin-top:22px;border-top:1px solid rgba(255,255,255,.06);padding-top:16px;overflow:hidden;
}
.brand-track{display:flex;gap:40px;width:max-content;animation:scrollX 26s linear infinite;font-size:12px;color:#3b4560;letter-spacing:2px}

/* 悬浮助手 */
.float-btn{
  position:fixed;right:22px;bottom:24px;z-index:950;width:54px;height:54px;border-radius:50%;
  border:1px solid rgba(63,240,216,.5);cursor:pointer;
  background:linear-gradient(140deg,#12203a,#251a44);
  color:var(--cyan);font-size:12px;font-weight:700;display:grid;place-items:center;
  box-shadow:0 10px 30px rgba(0,0,0,.5),0 0 18px rgba(63,240,216,.25);
  transition:transform .3s;
}
.float-btn:hover{transform:scale(1.08)}
.float-panel{
  position:fixed;right:22px;bottom:90px;z-index:951;width:300px;
  background:rgba(14,19,34,.86);backdrop-filter:blur(16px);
  border:1px solid rgba(63,240,216,.35);border-radius:18px;padding:18px;
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  transform:scale(.9) translateY(10px);opacity:0;pointer-events:none;
  transition:transform .3s,opacity .3s;
}
.float-panel.show{transform:scale(1) translateY(0);opacity:1;pointer-events:auto}
.float-panel h4{font-size:14.5px;margin-bottom:6px;color:var(--cyan)}
.float-panel p{font-size:12.5px;color:var(--text-dim);margin-bottom:12px}
.float-panel input,.float-panel textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:9px;padding:9px 11px;color:var(--text);font-size:12.5px;
  font-family:inherit;margin-bottom:9px;resize:none;outline:none;
}
.float-panel input:focus,.float-panel textarea:focus{border-color:rgba(63,240,216,.6)}
.float-panel .btn{width:100%}

/* 动画入场 */
.reveal{opacity:1;transform:none;transition:transform .7s,opacity .7s}
.reveal.pre{opacity:0;transform:translateY(26px)}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .panels{height:340px;max-width:520px;margin:0 auto}
  .flow{grid-template-columns:repeat(3,1fr)}
  .cards-grid,.prompt-grid,.cal-list{grid-template-columns:repeat(2,1fr)}
  .data-row{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:repeat(3,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width:768px){
  .section{padding:62px 16px}
  .hero-wrap{padding:92px 14px 30px}
  .hero-box{padding:24px 18px;border-radius:20px}
  .flow{grid-template-columns:1fr 1fr}
  .cards-grid,.prompt-grid,.cal-list{grid-template-columns:1fr}
  .collab-row,.collab-row.rev{grid-template-columns:1fr}
  .collab-row.rev .collab-pic{order:0}
  .slide{grid-template-columns:1fr}
  .data-row{grid-template-columns:1fr 1fr}
  .rank-row{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr;gap:20px}
  .panels{height:300px}
  .nav-wrap{padding:12px 14px}
  .cta-actions .btn{width:100%}
  .float-panel{right:12px;left:12px;width:auto}
  .float-btn{right:14px;bottom:16px}
  .bubble{font-size:11.5px;padding:8px 11px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}