:root{
  --ink:#0B0E10;
  --ink-2:#0F1316;
  --surface:#141A1D;
  --surface-2:#192024;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --lime:#C6FF3D;
  --lime-d:#9BD81F;
  --lime-dim:rgba(198,255,61,.12);
  --orange:#FF6B1A;
  --orange-d:#D54F06;
  --orange-dim:rgba(255,107,26,.14);
  --text:#E9EFE7;
  --muted:#94A096;
  --muted-2:#6E7A72;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);background:var(--ink);line-height:1.85;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.3;font-weight:900;letter-spacing:-.2px}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 26px}

/* ============ 顶栏：深墨 + 青柠线 ============ */
.top{
  position:sticky;top:0;z-index:90;background:rgba(11,14,16,.92);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.top.on{border-bottom-color:rgba(198,255,61,.34);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.top-in{display:flex;align-items:center;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{width:36px;height:36px;border-radius:9px;border:1px solid var(--line-2)}
.brand-t b{display:block;font-size:18px;font-weight:900;letter-spacing:1.4px;line-height:1.2}
.brand-t small{display:block;font-size:10px;letter-spacing:1.4px;color:var(--muted-2);margin-top:3px}
.nav{display:flex;gap:22px;margin-left:auto;font-size:13px;font-weight:700;color:var(--muted)}
.nav a{position:relative;padding:5px 0}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--lime);
  transition:right .25s ease;
}
.nav a:hover{color:var(--lime)}
.nav a:hover::after{right:0}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--text);padding:4px}
.cta{
  flex:none;background:var(--lime);color:#0B0E10;font-size:12.5px;font-weight:900;letter-spacing:.4px;
  padding:10px 18px;border-radius:999px;
}
.cta:hover{background:#D8FF6E}

/* ============ 英雄区：无缝条漫流 ============ */
.hero{
  position:relative;overflow:hidden;padding:64px 0 62px;
  background:
    radial-gradient(660px 440px at 88% 2%,var(--lime-dim),transparent 70%),
    radial-gradient(520px 400px at 8% 88%,rgba(255,107,26,.14),transparent 72%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 12px),
    linear-gradient(180deg,#0C1013 0%,#0A0D0F 100%);
}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--lime),var(--orange) 62%,transparent);
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;position:relative;z-index:1}
.kick{
  display:inline-flex;align-items:center;gap:9px;font-size:11px;letter-spacing:3px;
  color:var(--lime);margin-bottom:16px;font-weight:700;
}
.kick::before{content:"";width:8px;height:8px;background:var(--orange);transform:rotate(45deg)}
.hero h1{
  font-size:64px;letter-spacing:1px;line-height:1.06;margin-bottom:14px;color:#F4FAEE;
}
.hero h1 span{color:var(--lime)}
.hero .lead{font-size:19px;font-weight:900;color:#DCE6D6;margin-bottom:14px;letter-spacing:.4px}
.hero .desc{font-size:14.6px;color:var(--muted);max-width:536px;margin-bottom:26px;line-height:2}
.acts{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:#0B0E10;
  padding:13px 27px;border-radius:999px;font-weight:900;font-size:15px;
  box-shadow:0 4px 0 var(--lime-d),0 14px 30px rgba(0,0,0,.5);
  transition:transform .16s ease,background .16s ease;
}
.btn svg{width:17px;height:17px;flex:none}
.btn:hover{background:#D8FF6E;transform:translateY(1px)}
.ghost{
  display:inline-flex;align-items:center;padding:12px 21px;border-radius:999px;
  border:1px solid rgba(255,107,26,.55);color:#FFA167;font-size:13.5px;font-weight:800;
}
.ghost:hover{background:var(--orange-dim);border-color:var(--orange);color:#FFB98F}
.facts{
  display:flex;flex-wrap:wrap;gap:0;margin-top:30px;padding-top:16px;
  border-top:1px dashed var(--line-2);
}
.facts div{padding:0 20px;border-left:1px solid var(--line)}
.facts div:first-child{padding-left:0;border-left:0}
.facts b{display:block;font-size:12.5px;color:var(--lime);font-weight:900;letter-spacing:.6px}
.facts span{display:block;font-size:11px;color:var(--muted-2);margin-top:2px}

/* 竖向长条：三屏相接，无缝隙 */
.strip-hero{
  position:relative;width:min(356px,100%);margin:0 auto;
  border:1px solid rgba(198,255,61,.22);border-radius:16px;overflow:hidden;
  max-height:540px;background:var(--surface);
  box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 8px rgba(198,255,61,.04);
  transform:rotate(-1.4deg);
}
.strip-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:96px;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(11,14,16,.94));
}
.panel{margin:0}
.panel img{width:100%;height:262px;display:block;object-fit:cover;object-position:top}
.panel + .panel img{border-top:1px solid rgba(198,255,61,.16)}
.scroll-hint{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:2;
  font-size:10.5px;letter-spacing:2px;color:var(--lime);background:rgba(11,14,16,.78);
  border:1px solid rgba(198,255,61,.4);border-radius:999px;padding:4px 13px;white-space:nowrap;
}

/* ============ 通用区块 ============ */
.sec{padding:68px 0;background:var(--ink)}
.band{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hd2{display:grid;grid-template-columns:74px 1fr;gap:18px;align-items:start;margin-bottom:32px}
.hd2 .no{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;letter-spacing:1px;
  color:var(--orange);border-top:2px solid var(--orange);padding-top:9px;white-space:nowrap;
}
.hd2 h2{font-size:33px;margin-bottom:8px;color:#F2F8EC}
.hd2 p{font-size:14.4px;color:var(--muted);max-width:820px}

/* 特色：无缝格线 */
.feat-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.card{
  position:relative;background:var(--surface);padding:24px 24px 26px;
  transition:background .2s ease,box-shadow .2s ease;
}
.card::after{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--lime);
  transition:height .3s ease;
}
.card:hover{background:var(--surface-2)}
.card:hover::after{height:100%}
.card .n{
  display:inline-block;font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;
  color:var(--lime);letter-spacing:1.6px;padding-bottom:7px;border-bottom:1px solid rgba(198,255,61,.26);
}
.card h4{font-size:19px;margin:12px 0 8px;color:#F2F8EC;letter-spacing:.2px}
.card p{font-size:13.4px;color:var(--muted);line-height:1.95}

/* 界面：大图 + 三行目录 */
.spread{display:grid;grid-template-columns:1.08fr .92fr;gap:18px;align-items:start}
.spread figure{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.big img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top}
.big figcaption{font-size:12.5px;color:var(--muted);padding:11px 14px;letter-spacing:.3px;border-top:1px solid var(--line)}
.strip{display:grid;gap:12px}
.strip figure{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;padding:10px}
.strip img{width:96px;height:126px;object-fit:cover;object-position:top;border-radius:8px;border:1px solid var(--line-2)}
.strip figcaption{font-size:13.2px;color:#BFC9BD;letter-spacing:.2px}

/* 指南：五步竖轴 */
.steps{list-style:none;position:relative;margin-top:4px;padding-left:0;max-width:900px}
.steps::before{
  content:"";position:absolute;left:19px;top:12px;bottom:18px;width:2px;
  background:linear-gradient(180deg,var(--lime),var(--orange));
}
.steps li{position:relative;padding:0 0 22px 58px;font-size:14.2px;color:#B9C4B7;line-height:1.9}
.steps li:last-child{padding-bottom:4px}
.steps b{
  position:absolute;left:0;top:-1px;width:40px;height:40px;border-radius:50%;
  background:var(--ink);border:1px solid var(--lime);color:var(--lime);
  display:grid;place-items:center;font-family:"SFMono-Regular",Consolas,monospace;
  font-size:12px;font-weight:900;
}
.gnote{
  margin-top:16px;max-width:900px;border-left:3px solid var(--orange);
  background:var(--orange-dim);padding:12px 16px;font-size:13px;color:#D7C3B6;
}

/* 答疑：单列条目 */
.qa{border-bottom:1px solid var(--line)}
.qa-item{
  display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;
  padding:20px 0;border-top:1px solid var(--line);
}
.qa-item .qn{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;color:var(--lime);
  letter-spacing:1px;padding-top:5px;
}
.qa-item h3{font-size:16.5px;margin-bottom:7px;color:#EEF5E8}
.qa-item p{font-size:13.8px;color:var(--muted);line-height:1.95}

/* 评价：卡片 */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.rev-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-top:3px solid var(--lime);border-radius:12px;padding:24px 20px 16px;
}
.rev-card:nth-child(2){border-top-color:var(--orange)}
.rev-card::before{
  content:"\201C";position:absolute;top:2px;right:12px;font-family:Georgia,serif;
  font-size:62px;line-height:1;color:rgba(198,255,61,.14);
}
.rev-card blockquote{position:relative;z-index:1;font-size:13.4px;color:#C3CDC0;line-height:1.95}
.rev-card .who{
  display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:10px;
  border-top:1px dashed var(--line-2);font-size:10.8px;color:var(--muted-2);
}
.rev-card .who i{
  width:23px;height:23px;border-radius:50%;background:var(--lime-dim);color:var(--lime);
  font-style:normal;font-size:10.5px;font-weight:900;display:grid;place-items:center;
}
.rev-card .who time{font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:0}

/* ============ 下载：墨底 + 青柠光 ============ */
.get{
  position:relative;overflow:hidden;padding:66px 0 68px;text-align:center;
  background:
    radial-gradient(560px 360px at 50% 0%,rgba(198,255,61,.16),transparent 72%),
    radial-gradient(420px 300px at 14% 100%,rgba(255,107,26,.16),transparent 74%),
    #080A0C;
  border-top:1px solid var(--line);
}
.get::before{
  content:"";position:absolute;left:50%;top:14px;width:460px;height:460px;margin-left:-230px;
  border:1px dashed rgba(198,255,61,.2);border-radius:50%;
}
.get-in{position:relative;z-index:1}
.dlogo{display:flex;align-items:center;justify-content:center;gap:11px;margin-bottom:14px}
.dlogo img{width:46px;height:46px;border-radius:11px;border:1px solid rgba(198,255,61,.4)}
.dlogo em{font-style:normal;font-size:10px;letter-spacing:3px;color:var(--muted-2)}
.get h2{font-size:36px;letter-spacing:1px;margin-bottom:12px;color:#F4FAEE}
.get h2 em{font-style:normal;color:var(--lime)}
.get p{
  font-size:13.9px;color:var(--muted);max-width:660px;margin:0 auto 20px;line-height:1.95;
}
.dm{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.dm span{
  font-size:11px;border:1px solid var(--line-2);border-radius:999px;
  padding:3px 12px;color:#C6D0C2;
}
.dm span:nth-child(2n){border-color:rgba(255,107,26,.42);color:#FFA97B}
.get .btn{box-shadow:0 4px 0 var(--lime-d),0 16px 36px rgba(0,0,0,.6)}

/* ============ 页脚 ============ */
.ft{background:#07090B;color:#87938B;padding:34px 0 26px;font-size:12.2px;border-top:3px solid var(--lime)}
.ft-in{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:flex-start;justify-content:space-between}
.ft-brand{display:flex;align-items:center;gap:9px;color:var(--text);font-weight:900;font-size:13.5px;letter-spacing:1.2px}
.ft-brand img{width:26px;height:26px;border:1px solid var(--line-2);border-radius:7px}
.ft p{max-width:520px;line-height:1.9;color:#87938B}
.ft-links{display:flex;gap:16px;flex-wrap:wrap;font-size:11.8px}
.ft-links a:hover{color:var(--lime)}
.ft-copy{width:100%;border-top:1px solid var(--line);padding-top:13px;font-size:11px;color:#5C655F;line-height:1.9}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:24px;bottom:88px;z-index:70;width:42px;height:42px;border-radius:50%;
  background:var(--surface-2);border:1px solid rgba(198,255,61,.42);color:var(--lime);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 8px 20px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.backtop.on{opacity:1;visibility:visible}
.backtop:hover{background:var(--lime);color:#0B0E10;border-color:var(--lime)}

/* ============ 响应式 960 ============ */
@media (max-width:960px){
  .nav{
    display:none;position:absolute;top:70px;left:0;right:0;margin-left:0;
    background:#0D1114;border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:6px 26px 12px;
  }
  .nav.open{display:flex}
  .nav a{padding:10px 0;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .cta{padding:9px 14px;font-size:11.5px}
  .hero{padding:46px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:52px}
  .hero .desc{max-width:none}
  .strip-hero{max-height:440px;width:min(310px,100%)}
  .panel img{height:214px}
  .feat-grid{grid-template-columns:1fr 1fr}
  .spread{grid-template-columns:1fr}
  .strip{grid-template-columns:repeat(3,1fr)}
  .strip figure{display:block;padding:9px}
  .strip img{width:100%;height:auto;aspect-ratio:3/4}
  .strip figcaption{display:block;padding-top:8px;font-size:12.4px}
  .rev-grid{grid-template-columns:1fr 1fr}
  .rev-card:nth-child(3){grid-column:1 / -1}
}

/* ============ 响应式 600 ============ */
@media (max-width:600px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .top-in{height:62px;gap:10px}
  .brand img{width:32px;height:32px}
  .brand-t b{font-size:16px;letter-spacing:1px}
  .brand-t small{font-size:9px;letter-spacing:.8px}
  .nav{top:62px;padding:4px 18px 10px}
  .cta{padding:8px 11px;font-size:10.8px}
  .hero{padding:34px 0 38px}
  .hero h1{font-size:42px}
  .hero .lead{font-size:16.5px}
  .hero .desc{font-size:13.8px}
  .facts div{padding:0 12px}
  .facts b{font-size:11.5px}
  .facts span{font-size:10px}
  .strip-hero{max-height:370px;width:min(286px,100%);transform:none}
  .panel img{height:178px}
  .scroll-hint{font-size:10px;bottom:16px}
  .sec{padding:44px 0}
  .hd2{grid-template-columns:1fr;gap:8px;margin-bottom:22px}
  .hd2 .no{display:inline-block;border-top:0;border-left:2px solid var(--orange);padding:0 0 0 8px}
  .hd2 h2{font-size:25px}
  .hd2 p{font-size:13.4px}
  .feat-grid{grid-template-columns:1fr}
  .card{padding:20px 18px 22px}
  .strip{grid-template-columns:1fr}
  .strip figure{grid-template-columns:78px 1fr;display:grid;padding:9px}
  .strip img{width:78px;height:104px}
  .steps li{padding-left:50px;font-size:13.6px}
  .steps::before{left:16px}
  .steps b{width:34px;height:34px;font-size:11px}
  .qa-item{grid-template-columns:40px 1fr;gap:10px}
  .qa-item h3{font-size:15.5px}
  .rev-grid{grid-template-columns:1fr}
  .rev-card:nth-child(3){grid-column:auto}
  .get{padding:46px 0 50px}
  .get::before{width:300px;height:300px;margin-left:-150px}
  .get h2{font-size:26px}
  .dm span{font-size:10.4px;padding:2px 10px}
  .ft-in{flex-direction:column}
  .backtop{right:14px;bottom:74px;width:38px;height:38px}
}