/* ==========================================================================
   V2RayHub - 全站主样式
   ========================================================================== */

:root{
  --bg:#0b1020;
  --bg-soft:#0e1428;
  --card:#131b36;
  --card-hover:#1a2447;
  --border:rgba(255,255,255,.08);
  --text:#e8ecf8;
  --text-dim:#9aa4c7;
  --accent:#4f7cff;
  --accent-2:#7c5cff;
  --accent-3:#00d4a6;
  --radius:20px;
  --max-w:1180px;
  --font-display:"Georgia","Songti SC","STSong","SimSun",serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 全局细网格背景 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* 滚动入场动画（JS 加 .in 触发） */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ── 布局占位 + 吸顶（sticky 必须加在 #site-header 上，加在内部 header 会因父级高度不够而失效）── */
#site-header{
  position:sticky;top:0;z-index:100;min-height:66px;
  background:rgba(11,16,32,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}

/* ── 顶部导航 ── */
header{
  background:transparent;
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:10px;min-width:0}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;flex:none}
.nav .logo{
  padding:10px 8px 10px 0;margin:-10px 0;min-height:44px;z-index:2;
}
.logo-mark{
  width:32px;height:32px;border-radius:8px;flex:none;
  object-fit:contain;display:block;
}
.nav-end{
  display:flex;align-items:center;gap:6px;flex:none;z-index:2;
}
.nav-toggle{
  display:none;appearance:none;border:1px solid var(--border);background:rgba(255,255,255,.04);
  width:44px;height:44px;border-radius:12px;padding:0;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-links{
  display:flex;align-items:stretch;justify-content:flex-end;gap:0;margin-left:auto;
  height:100%;font-size:13.5px;color:var(--text-dim);
  flex:1 1 auto;min-width:0;white-space:nowrap;
}
.nav-links > a:not(.nav-cta){
  position:relative;display:inline-flex;align-items:center;
  padding:0 9px;min-height:100%;flex:none;white-space:nowrap;
  transition:color .15s ease,background .15s ease;
  border-radius:0;
}
.nav-links > a:not(.nav-cta):hover{
  color:var(--text);background:rgba(255,255,255,.04);
}
.nav-links a.is-active,
.nav-links a[aria-current="page"]{
  color:var(--text);font-weight:600;
}
.nav-links a.is-active::after,
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:9px;right:9px;bottom:0;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}
.nav-cta{
  align-self:center;margin-left:6px;flex:none;white-space:nowrap;
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 14px;border-radius:10px;font-weight:600;font-size:13.5px;color:#fff!important;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
}
.nav-cta:hover{opacity:.9}
.nav-cta.is-active::after,
.nav-cta[aria-current="page"]::after{display:none}
.lang-switch{position:relative;display:inline-flex;align-items:center;color:var(--text-dim)}
.lang-switch summary{
  list-style:none;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:4px;
  padding:0 12px;min-height:44px;border-radius:12px;
  border:1px solid transparent;
  transition:color .15s ease,background .15s ease,border-color .15s ease;
}
.lang-switch summary:hover{color:var(--text);background:rgba(255,255,255,.04)}
.lang-switch summary::-webkit-details-marker{display:none}
.lang-short{display:none}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);min-width:140px;
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:6px;box-shadow:0 12px 40px rgba(0,0,0,.5);z-index:110;
}
.lang-menu a{display:flex;align-items:center;padding:10px 14px;border-radius:8px;font-size:14px;min-height:44px;box-sizing:border-box}
.lang-menu a:hover{background:var(--card-hover);color:var(--text)}
.lang-menu a[aria-current="true"]{color:#fff;background:rgba(79,124,255,.14)}

/* ── 章节标注（eyebrow）── */
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:13px;letter-spacing:.35em;color:var(--text-dim);
  text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:44px;height:1px;flex:none;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.eyebrow em{font-style:normal;color:var(--accent);font-weight:700;letter-spacing:.1em}

/* ── Hero ── */
.hero{position:relative;padding:88px 0 64px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-20% 0 0;pointer-events:none;z-index:-1;
  background:
    radial-gradient(640px 420px at 12% 8%,rgba(79,124,255,.16),transparent 65%),
    radial-gradient(560px 400px at 88% 18%,rgba(124,92,255,.14),transparent 65%);
}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;
}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:44px}}
.hero-copy h1{
  font-size:clamp(34px,4.6vw,58px);font-weight:800;line-height:1.18;
  letter-spacing:-.5px;margin-bottom:22px;
}
.hero-copy h1 .serif{
  font-family:var(--font-display);font-style:italic;font-weight:600;
  background:linear-gradient(115deg,var(--accent) 0%,var(--accent-2) 55%,var(--accent-3) 110%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  padding-right:.08em;
}
.hero-copy>p{max-width:520px;font-size:16.5px;color:var(--text-dim);margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 30px;border-radius:12px;font-size:16px;font-weight:600;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 28px rgba(79,124,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(79,124,255,.45)}
.btn-ghost{color:var(--text);border:1px solid var(--border);background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.hero-protos{
  display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;
}
.hero-protos li{
  font-size:12.5px;font-weight:600;color:var(--text-dim);
  padding:5px 12px;border-radius:8px;
  border:1px solid var(--border);background:rgba(255,255,255,.03);
}

/* Hero 视觉区：平整产品预览，无漂浮标签 */
.hero-visual{position:relative}
.hero-shot{
  margin:0;border-radius:18px;overflow:hidden;
  border:1px solid var(--border);background:var(--card);
  box-shadow:0 20px 50px rgba(0,0,0,.35);
}
.hero-shot figcaption{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:12px 16px;border-bottom:1px solid var(--border);
  background:rgba(11,16,32,.55);
}
.hero-shot figcaption .dl-tag{margin:0}
.hero-shot figcaption strong{font-size:14px;font-weight:700}
.hero-shot figcaption>span:last-child{margin-left:auto;font-size:12.5px;color:var(--text-dim)}
.hero-shot img{width:100%;height:auto;display:block;vertical-align:middle}

/* ── 协议跑马灯 ── */
.marquee{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:20px 0;overflow:hidden;position:relative;
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{
  display:flex;gap:56px;width:max-content;
  animation:marquee 34s linear infinite;
}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{
  display:flex;align-items:center;gap:56px;flex:none;
  font-size:15px;font-weight:600;letter-spacing:.12em;color:var(--text-dim);
  white-space:nowrap;
}
.marquee-track b{color:var(--text);font-weight:700}
.marquee-track i{font-style:normal;color:var(--accent)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ── 通用 section ── */
section{padding:96px 0}
.sec-head{margin-bottom:56px;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.25}
.sec-head h2 .serif{font-family:var(--font-display);font-style:italic;font-weight:600;color:var(--accent)}
.sec-head .sub{color:var(--text-dim);max-width:380px;font-size:15px}

/* ── 下载卡片 ── */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:960px){.dl-grid{grid-template-columns:1fr}}
.dl-card{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dl-card:hover{transform:translateY(-8px);border-color:rgba(79,124,255,.45);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.dl-media{position:relative;aspect-ratio:3/2;overflow:hidden;background:#0a0f1e}
.dl-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.16,1,.3,1);
}
.dl-card:hover .dl-media img{transform:scale(1.06)}
.dl-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,var(--card));
}
/* 幽灵编号 */
.dl-num{
  position:absolute;top:10px;right:18px;z-index:2;
  font-size:84px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.16);
  font-family:var(--font-display);font-style:italic;
  pointer-events:none;
}
.dl-body{padding:8px 28px 30px;display:flex;flex-direction:column;flex:1;position:relative;z-index:2;margin-top:-34px}
.dl-tag{
  display:inline-flex;align-self:flex-start;align-items:center;gap:7px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:4px 13px;border-radius:999px;margin-bottom:14px;
  border:1px solid var(--border);background:rgba(11,16,32,.6);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.dl-tag.win{color:#8fb0ff;border-color:rgba(79,124,255,.4)}
.dl-tag.android{color:#5fe8c8;border-color:rgba(0,212,166,.4)}
.dl-tag.fly{color:#b3a1ff;border-color:rgba(124,92,255,.4)}
.dl-body h3{font-size:23px;font-weight:800;margin-bottom:6px}
.dl-body .desc{font-size:14.5px;color:var(--text-dim);margin-bottom:18px}
.dl-body ul{list-style:none;margin-bottom:24px;flex:1}
.dl-body li{
  font-size:14px;color:var(--text-dim);padding:4px 0 4px 24px;position:relative;
}
.dl-body li::before{
  content:"✓";position:absolute;left:0;color:var(--accent-3);font-weight:700;
}
.dl-btn{
  display:block;text-align:center;padding:13px;border-radius:12px;
  font-weight:600;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  transition:opacity .15s ease;
}
.dl-btn:hover{opacity:.88}
.dl-alt{display:block;text-align:center;margin-top:12px;font-size:13px;color:var(--text-dim)}
.dl-alt:hover{color:var(--text)}

/* ── Bento 特性网格 ── */
.bento{
  display:grid;gap:22px;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:150px;
}
@media(max-width:960px){.bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}}
@media(max-width:560px){.bento{grid-template-columns:1fr;grid-auto-rows:auto}}
.tile{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;justify-content:flex-end;
  transition:border-color .25s ease,transform .25s ease;
}
.tile:hover{border-color:rgba(79,124,255,.4);transform:translateY(-4px)}
.tile h3{font-size:17.5px;font-weight:700;margin-bottom:6px;position:relative;z-index:2}
.tile p{font-size:13.5px;color:var(--text-dim);position:relative;z-index:2}
.tile-globe{grid-column:span 2;grid-row:span 2}
.tile-globe img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;
  transition:transform .6s cubic-bezier(.16,1,.3,1);
}
.tile-globe:hover img{transform:scale(1.05)}
.tile-globe::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,transparent 30%,rgba(11,16,32,.92) 82%);
}
.tile-globe h3,.tile-globe p{z-index:2}
.tile-globe h3{font-size:22px}
.tile-globe p{max-width:340px;font-size:14.5px}
.tile-wide{grid-column:span 2}
@media(max-width:560px){.tile-globe,.tile-wide{grid-column:span 1}.tile{min-height:170px}.tile-globe{min-height:320px}}
/* 协议芯片瓦片 */
.tile-proto .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;position:relative;z-index:2}
.tile-proto .chips span{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(79,124,255,.35);color:#a9c0ff;background:rgba(79,124,255,.08);
}
.tile-proto .chips span:nth-child(2){border-color:rgba(0,212,166,.35);color:#79e8cf;background:rgba(0,212,166,.07)}
.tile-proto .chips span:nth-child(3){border-color:rgba(124,92,255,.4);color:#c0b1ff;background:rgba(124,92,255,.09)}
.tile-proto .chips span:nth-child(4){border-color:rgba(255,182,72,.4);color:#ffd394;background:rgba(255,182,72,.07)}
/* 大数字瓦片 */
.tile-zero .big{
  position:absolute;top:-14px;right:10px;
  font-family:var(--font-display);font-style:italic;font-weight:700;
  font-size:120px;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(0,212,166,.45);
}
/* 终端瓦片 */
.tile-term{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;justify-content:flex-start}
.tile-term .bar{display:flex;gap:6px;margin-bottom:14px}
.tile-term .bar i{width:10px;height:10px;border-radius:50%;background:#2a3558}
.tile-term .bar i:first-child{background:#ff5f57}
.tile-term .bar i:nth-child(2){background:#febc2e}
.tile-term .bar i:nth-child(3){background:#28c840}
.tile-term code{display:block;font-size:12.5px;line-height:2;color:var(--text-dim);white-space:nowrap;overflow:hidden}
.tile-term code b{color:var(--accent-3);font-weight:600}
.tile-term code em{color:var(--accent);font-style:normal}
.tile-term .cursor{display:inline-block;width:7px;height:14px;background:var(--accent-3);vertical-align:middle;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ── 步骤时间线 ── */
.timeline{position:relative;max-width:760px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:27px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2) 55%,var(--accent-3));
  opacity:.55;
}
.t-step{position:relative;padding:0 0 44px 92px}
.t-step:last-child{padding-bottom:0}
.t-step .node{
  position:absolute;left:0;top:0;
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-style:italic;
  font-size:22px;font-weight:700;color:#fff;
  background:rgba(19,27,54,.9);border:1px solid rgba(79,124,255,.4);
  box-shadow:0 0 24px rgba(79,124,255,.25);
}
.t-step h3{font-size:19px;font-weight:700;margin-bottom:6px}
.t-step p{font-size:14.5px;color:var(--text-dim);max-width:560px}
.t-step .hint{
  display:inline-block;margin-top:10px;font-size:13px;color:var(--accent);
}
.t-step .hint:hover{text-decoration:underline}
.steps-cta{text-align:center;margin-top:52px}

/* ── FAQ：左右分栏 ── */
.faq{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-grid{display:grid;grid-template-columns:.9fr 1.4fr;gap:64px;align-items:start}
@media(max-width:900px){.faq-grid{grid-template-columns:1fr;gap:36px}}
.faq-side{position:sticky;top:100px}
@media(max-width:900px){.faq-side{position:static}}
.faq-side h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.28;margin-bottom:16px}
.faq-side h2 .serif{font-family:var(--font-display);font-style:italic;font-weight:600;color:var(--accent)}
.faq-side p{color:var(--text-dim);font-size:15px;margin-bottom:26px}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:16px;margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(79,124,255,.4)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 24px;
  font-size:16px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--text-dim);flex:none;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq-item .ans{padding:0 24px 20px;font-size:14.5px;color:var(--text-dim)}
.faq-item .ans a{color:var(--accent)}

/* ── 底部 CTA ── */
.bottom-cta{padding-bottom:110px}
.bottom-cta .panel{
  position:relative;overflow:hidden;text-align:center;
  border:1px solid rgba(79,124,255,.35);
  border-radius:28px;padding:88px 32px;
}
.bottom-cta .panel img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35;
}
.bottom-cta .panel::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 100% at 50% 100%,rgba(11,16,32,.3),rgba(11,16,32,.88));
}
.bottom-cta h2,.bottom-cta p,.bottom-cta .btn{position:relative;z-index:2}
.bottom-cta h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;margin-bottom:12px}
.bottom-cta h2 .serif{font-family:var(--font-display);font-style:italic;font-weight:600;color:var(--accent-3)}
.bottom-cta p{color:var(--text-dim);margin-bottom:30px}

/* ── 内页 Hero（下载页等）── */
.page-hero{padding:56px 0 28px;position:relative;overflow:hidden}
.page-hero-compact{padding:36px 0 12px}
.page-hero-download{padding:40px 0 20px}
.page-hero::before{
  content:"";position:absolute;inset:-10% 0 auto;height:420px;pointer-events:none;z-index:-1;
  background:
    radial-gradient(520px 280px at 15% 0%,rgba(79,124,255,.16),transparent 65%),
    radial-gradient(480px 260px at 85% 20%,rgba(124,92,255,.12),transparent 65%);
}
.page-hero-compact::before,.page-hero-download::before{height:280px}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.22;margin-bottom:16px;
}
.page-hero-compact h1,
.page-hero-download h1{
  font-size:clamp(24px,3.4vw,34px);margin-bottom:10px;
}
.page-hero h1 .serif{
  font-family:var(--font-display);font-style:italic;font-weight:600;
  background:linear-gradient(115deg,var(--accent),var(--accent-2) 60%,var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero .lead{max-width:720px;color:var(--text-dim);font-size:16px;margin-bottom:28px}
.page-hero-compact .lead{font-size:14.5px;margin-bottom:0;max-width:640px}
.page-hero-download .lead{font-size:15px;margin-bottom:20px;max-width:680px;line-height:1.7}
.page-hero-download .eyebrow{margin-bottom:14px}

/* 下载页顶部快跳（矮、一行，不挤占首屏） */
.dl-quick{display:flex;flex-wrap:wrap;gap:10px}
.dl-quick a{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:12px;
  border:1px solid var(--border);background:rgba(19,27,54,.55);
  font-size:14px;font-weight:700;color:var(--text);
  transition:border-color .15s ease,background .15s ease,transform .15s ease;
}
.dl-quick a span{font-size:12px;font-weight:600;color:var(--text-dim)}
.dl-quick a i{
  width:8px;height:8px;border-radius:50%;flex:none;
}
.dl-quick a i.win{background:var(--accent)}
.dl-quick a i.android{background:var(--accent-3)}
.dl-quick a i.fly{background:var(--accent-2)}
.dl-quick a:hover{
  border-color:rgba(79,124,255,.45);background:rgba(79,124,255,.1);
  transform:translateY(-1px);
}

.dl-intro{
  margin-top:40px;padding:26px 28px;border-radius:18px;
  border:1px solid var(--border);background:rgba(19,27,54,.55);
}
.dl-intro h2{font-size:20px;font-weight:800;margin-bottom:12px}
.dl-intro p{font-size:15px;color:var(--text-dim);max-width:920px}
.dl-intro a{color:var(--accent);font-weight:600}
.dl-intro a:hover{text-decoration:underline}
.dl-faq{margin-top:56px;padding-top:8px}
.dl-faq .faq-list{max-width:860px}

/* ── 下载页目录 ── */
.dl-page{padding:8px 0 96px}
.dl-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-bottom:20px;padding:14px 0;border-bottom:1px solid var(--border);
  position:sticky;top:66px;z-index:40;
  background:rgba(11,16,32,.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.dl-filter{display:flex;gap:8px;flex-wrap:wrap;max-width:100%}
.dl-tag.mac{color:#e8ecf8;border-color:rgba(255,255,255,.28)}
.dl-tag.linux{color:#f0d35a;border-color:rgba(240,211,90,.4)}
.dl-quick a i.mac{background:#e8ecf8}
.dl-quick a i.linux{background:#f0d35a}
.dl-filter button{
  appearance:none;border:1px solid var(--border);background:rgba(255,255,255,.03);
  color:var(--text-dim);font:inherit;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;cursor:pointer;
  transition:color .15s ease,border-color .15s ease,background .15s ease;
}
.dl-filter button:hover{color:var(--text);border-color:rgba(255,255,255,.18)}
.dl-filter button.is-active{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 22px rgba(79,124,255,.28);
}
.dl-tip{font-size:13px;color:var(--text-dim);max-width:360px}
.dl-tip a{color:var(--accent);font-weight:600}
.dl-tip a:hover{text-decoration:underline}

.dl-catalog{display:flex;flex-direction:column;gap:22px}
.dl-block{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  padding:22px 24px 20px;
}
.dl-block-body{display:flex;flex-direction:column;min-width:0}
.dl-block-head{
  display:flex;align-items:flex-start;gap:14px;
  margin-bottom:16px;padding-bottom:16px;
  border-bottom:1px solid var(--border);
}
.dl-block-logo{
  width:56px;height:56px;flex:none;
  object-fit:cover;display:block;
  border:0;padding:0;margin:0;background:none;border-radius:13px;
}
.dl-block-copy{min-width:0;flex:1}
.dl-block-copy h2{font-size:22px;font-weight:800;margin:6px 0 4px;line-height:1.25}
.dl-block-copy .plat{font-size:13px;color:var(--text-dim);margin-bottom:6px}
.dl-block-copy .desc{
  font-size:13.5px;color:var(--text-dim);max-width:720px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ver-line{margin-top:8px;font-size:12.5px;color:var(--text-dim)}
.ver-line b{color:var(--text);font-weight:700}

.pkg-list{
  list-style:none;margin:0;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;
}
@media(max-width:980px){.pkg-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.pkg-list{grid-template-columns:1fr}}
.pkg-row{
  display:flex;flex-direction:column;gap:10px;
  padding:14px 14px 12px;border-radius:14px;min-width:0;
  border:1px solid var(--border);background:rgba(11,16,32,.35);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.pkg-row:hover{border-color:rgba(79,124,255,.35);background:rgba(79,124,255,.05);transform:translateY(-2px)}
.pkg-row.is-rec{border-color:rgba(0,212,166,.28);background:rgba(0,212,166,.04)}
.pkg-meta{min-width:0}
.pkg-title{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.pkg-title strong{font-size:14.5px;font-weight:700}
.pkg-badge{
  font-size:10.5px;font-weight:700;color:#08251d;
  background:var(--accent-3);border-radius:999px;padding:2px 8px;
}
.pkg-sub{
  display:flex;flex-wrap:wrap;gap:6px 10px;
  font-size:12px;color:var(--text-dim);line-height:1.45;
}
.pkg-sub span{
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.pkg-sub span:first-child{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px}
.pkg-facts{
  display:flex;flex-wrap:wrap;gap:8px 12px;
  font-size:12px;color:var(--text);margin-top:auto;
}
.pkg-facts em{font-style:normal;color:var(--text-dim);margin-right:4px;font-size:11.5px}
.pkg-actions{display:flex;gap:8px;flex-wrap:wrap}
.pkg-actions .pkg-btn{flex:1;min-width:0}
.pkg-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 12px;border-radius:10px;
  font-size:13px;font-weight:600;color:#fff;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  transition:opacity .15s ease,transform .15s ease;
  font-family:inherit;
}
.pkg-btn:hover{opacity:.9;transform:translateY(-1px)}
.pkg-btn-ghost{
  color:var(--text);background:transparent;
  border:1px solid var(--border);
}
.pkg-btn-ghost:hover{background:rgba(255,255,255,.06);transform:none}
.pkg-btn.is-disabled,
.pkg-btn:disabled{
  opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;
  background:rgba(255,255,255,.08);color:var(--text-dim);
}
.pkg-btn-ghost.is-disabled,
.pkg-btn-ghost:disabled{border-color:var(--border);background:transparent}
.dl-block-foot{margin-top:4px}

.dl-notes{
  margin-top:48px;padding:32px 34px;
  border-radius:20px;border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(79,124,255,.08),rgba(19,27,54,.6));
}
.dl-notes h2{font-size:20px;font-weight:800;margin-bottom:16px}
.dl-notes ol{padding-left:20px;color:var(--text-dim);font-size:14.5px}
.dl-notes li{padding:6px 0}
.dl-notes li strong{color:var(--text)}
.dl-notes code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;padding:2px 7px;border-radius:6px;
  background:rgba(0,0,0,.28);border:1px solid var(--border);color:#c8d4ff;
}
.dl-notes-cta{margin-top:18px;font-size:14.5px;color:var(--text-dim)}
.dl-notes-cta a{color:var(--accent);font-weight:600}
.dl-notes-cta a:hover{text-decoration:underline}

/* ── 教程页 ── */
.page-hero-compact .lead a{color:var(--accent);font-weight:600}
.page-hero-compact .lead a:hover{text-decoration:underline}
.tut-page{padding:16px 0 96px}
.tut-layout{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start;
}
@media(max-width:900px){.tut-layout{grid-template-columns:1fr;gap:20px}}
.tut-toc{
  position:sticky;top:86px;
  display:flex;flex-direction:column;gap:4px;
  padding:16px;border-radius:16px;
  border:1px solid var(--border);background:rgba(19,27,54,.65);
}
@media(max-width:900px){
  .tut-toc{
    position:static;flex-direction:row;flex-wrap:wrap;gap:8px;padding:12px;
  }
  .tut-toc-title{width:100%;margin-bottom:0}
  .tut-toc-cta{margin-top:0;width:100%;text-align:center}
}
.tut-toc-title{
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:8px;padding:0 8px;
}
.tut-toc a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:13.5px;color:var(--text-dim);transition:background .15s ease,color .15s ease;
}
.tut-toc a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.tut-toc a.is-active{
  color:#fff;font-weight:600;
  background:rgba(79,124,255,.16);border:1px solid rgba(79,124,255,.28);
}
.tut-toc-cta{
  margin-top:10px;text-align:center;font-weight:600!important;color:#fff!important;
  background:linear-gradient(135deg,var(--accent),var(--accent-2))!important;
  border:none!important;
}
.tut-toc-cta:hover{opacity:.92}

.tut-content{display:flex;flex-direction:column;gap:22px;min-width:0}
.tut-banner{
  margin:0;border-radius:20px;overflow:hidden;
  border:1px solid var(--border);background:#070b16;
}
.tut-banner img{width:100%;height:auto;display:block;max-height:220px;object-fit:cover;object-position:center}
.tut-card{
  padding:28px 28px 24px;border-radius:20px;
  border:1px solid var(--border);background:var(--card);
  scroll-margin-top:88px;
}
.tut-card-head{
  display:flex;justify-content:space-between;gap:24px;align-items:flex-start;
  margin-bottom:8px;padding-bottom:20px;border-bottom:1px solid var(--border);
}
.tut-card-head h2{font-size:24px;font-weight:800;margin:10px 0 6px}
.tut-card-head p{font-size:14px;color:var(--text-dim);max-width:460px}
.tut-prose{font-size:14.5px;color:var(--text-dim);line-height:1.8;margin:0 0 8px}
.tut-prose a{color:var(--accent);font-weight:600}
.tut-prose a:hover{text-decoration:underline}
.tut-prose strong{color:var(--text)}
.tut-note{
  margin-top:12px;padding:12px 14px;border-radius:12px;font-size:13.5px;color:var(--text-dim);
  border:1px solid rgba(79,124,255,.25);background:rgba(79,124,255,.07);
}
.tut-note a{color:var(--accent);font-weight:600}
.compare-table{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.compare-row{
  display:grid;grid-template-columns:1.1fr .8fr 1.6fr 1fr;gap:12px;align-items:center;
  padding:14px 16px;border-radius:12px;border:1px solid var(--border);
  background:rgba(11,16,32,.35);font-size:13.5px;color:var(--text-dim);
}
.compare-head{
  background:rgba(79,124,255,.08);border-color:rgba(79,124,255,.22);
  font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--text);
}
.compare-row a{color:var(--accent);font-weight:600}
.compare-row a:hover{text-decoration:underline}
.compare-row strong{color:var(--text)}
@media(max-width:760px){
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:6px}
}
.tut-thumb{
  width:200px;height:auto;flex:none;border-radius:12px;
  object-fit:contain;display:block;
  border:1px solid var(--border);background:#070b16;
}
.tut-thumb-logo{
  width:72px;height:72px;padding:0;border:0;margin:0;
  border-radius:16px;background:none;object-fit:cover;box-shadow:none;
}
@media(max-width:640px){.tut-thumb:not(.tut-thumb-logo){display:none}}

.tut-steps{list-style:none;counter-reset:step;margin:0;padding:0}
.tut-steps>li{
  position:relative;padding:22px 0 22px 56px;
  border-bottom:1px solid var(--border);counter-increment:step;
}
.tut-steps>li:last-child{border-bottom:none;padding-bottom:8px}
.tut-steps>li::before{
  content:counter(step);position:absolute;left:0;top:22px;
  width:36px;height:36px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-style:italic;font-weight:700;
  font-size:16px;color:#fff;
  background:rgba(19,27,54,.95);border:1px solid rgba(79,124,255,.4);
  box-shadow:0 0 18px rgba(79,124,255,.2);
}
.tut-steps h3{font-size:17px;font-weight:700;margin-bottom:8px}
.tut-steps p,.tut-steps li{font-size:14.5px;color:var(--text-dim);line-height:1.75}
.tut-steps ul{margin:10px 0 0;padding-left:18px}
.tut-steps ul li{padding:3px 0}
.tut-steps a{color:var(--accent);font-weight:600}
.tut-steps a:hover{text-decoration:underline}
.tut-steps code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;padding:2px 7px;border-radius:6px;
  background:rgba(0,0,0,.28);border:1px solid var(--border);color:#c8d4ff;
}
.tut-next{margin-top:18px;font-size:14px;color:var(--text-dim)}
.tut-next a{color:var(--accent);font-weight:600}
.tut-next a:hover{text-decoration:underline}

.tut-tips h2{font-size:22px;font-weight:800;margin-bottom:18px}
.tip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:640px){.tip-grid{grid-template-columns:1fr}}
.tip-item{
  padding:18px 18px 16px;border-radius:14px;
  border:1px solid var(--border);background:rgba(11,16,32,.35);
}
.tip-item h3{font-size:15px;font-weight:700;margin-bottom:6px}
.tip-item p{font-size:13.5px;color:var(--text-dim)}
.tut-card .faq-list{margin-top:8px}
.tut-card>h2{font-size:22px;font-weight:800;margin-bottom:16px}

/* ── 新手引导页 ── */
.qs-page{padding:16px 0 96px}
.qs-step{
  margin-bottom:22px;padding:28px;border-radius:20px;
  border:1px solid var(--border);background:var(--card);
  scroll-margin-top:88px;
}
.qs-step-top{
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  margin-bottom:8px;
}
.qs-step-art{
  width:120px;height:auto;flex:none;border-radius:18px;
  object-fit:contain;display:block;
  border:1px solid var(--border);background:#070b16;
}
@media(max-width:640px){.qs-step-art{display:none}}
.qs-step-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-dim);
  margin-bottom:14px;
}
.qs-step-label span{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  font-family:var(--font-display);font-style:italic;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  letter-spacing:0;
}
.qs-step h2{font-size:clamp(22px,2.8vw,28px);font-weight:800;margin-bottom:10px}
.qs-desc{font-size:15px;color:var(--text-dim);max-width:760px;margin-bottom:22px;line-height:1.75}
.qs-desc strong{color:var(--text)}

.qs-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
@media(max-width:900px){.qs-pick{grid-template-columns:1fr}}
.qs-pick-card{
  display:flex;align-items:center;gap:14px;padding:16px 18px;
  border-radius:16px;border:1px solid var(--border);background:rgba(11,16,32,.35);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.qs-pick-card:hover{border-color:rgba(79,124,255,.45);transform:translateY(-3px);background:rgba(79,124,255,.06)}
.qs-pick-logo{
  width:56px;height:56px;flex:none;
  object-fit:cover;display:block;
  border:0;padding:0;margin:0;background:none;border-radius:13px;
}
.qs-pick-card .dl-tag{margin-bottom:6px}
.qs-pick-card strong{display:block;font-size:18px;font-weight:800;margin-bottom:2px}
.qs-pick-card em{font-style:normal;font-size:13px;color:var(--text-dim)}

.qs-bullets{margin:0;padding-left:18px;color:var(--text-dim);font-size:14.5px}
.qs-bullets li{padding:4px 0}
.qs-bullets strong{color:var(--text)}
.qs-bullets code,.qs-panel code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;padding:2px 7px;border-radius:6px;
  background:rgba(0,0,0,.28);border:1px solid var(--border);color:#c8d4ff;
}

.qs-two,.qs-connect-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
@media(max-width:760px){.qs-two,.qs-connect-grid{grid-template-columns:1fr}}
.qs-panel{
  padding:20px;border-radius:14px;border:1px solid var(--border);
  background:rgba(11,16,32,.35);
}
.qs-panel h3{font-size:16px;font-weight:700;margin-bottom:12px}
.qs-panel ol,.qs-panel ul{margin:0;padding-left:18px;color:var(--text-dim);font-size:14px}
.qs-panel li{padding:5px 0;line-height:1.65}
.qs-panel li strong{color:var(--text)}
.qs-mini{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:8px;
}

.qs-success{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;border-radius:14px;
  border:1px solid rgba(0,212,166,.35);background:rgba(0,212,166,.08);
}
.qs-success strong{font-size:15px;color:var(--accent-3)}
.qs-success span{font-size:13.5px;color:var(--text-dim)}

.qs-check{
  margin:28px 0 22px;padding:28px;border-radius:20px;
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(79,124,255,.08),rgba(19,27,54,.6));
}
.qs-check h2{font-size:22px;font-weight:800;margin-bottom:14px}
.qs-check ul{margin:0 0 14px;padding-left:0;list-style:none}
.qs-check li{
  position:relative;padding:8px 0 8px 28px;font-size:14.5px;color:var(--text-dim);
}
.qs-check li::before{
  content:"✓";position:absolute;left:0;color:var(--accent-3);font-weight:700;
}
.qs-check a:not(.btn),.qs-faq a:not(.btn){color:var(--accent);font-weight:600}
.qs-check a:not(.btn):hover,.qs-faq a:not(.btn):hover{text-decoration:underline}
.qs-cta-row .btn-primary{color:#fff!important}
.qs-cta-row .btn-ghost{color:var(--text)!important}
.qs-check p{font-size:14.5px;color:var(--text-dim)}

.qs-faq{
  padding:28px;border-radius:20px;border:1px solid var(--border);background:var(--card);
}
.qs-faq h2{font-size:22px;font-weight:800;margin-bottom:16px}
.qs-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ── 常见问题页 ── */
.page-hero-faq .lead{margin-bottom:0}
.hero-faq-grid{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.faq-hero-art{
  width:148px;height:auto;flex:none;border-radius:22px;
  object-fit:contain;display:block;
  border:1px solid var(--border);background:#070b16;
}
@media(max-width:640px){.faq-hero-art{display:none}}
.faq-page{padding:16px 0 96px}
.faq-layout{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start;
}
@media(max-width:900px){.faq-layout{grid-template-columns:1fr;gap:20px}}
.faq-toc{
  position:sticky;top:86px;
  display:flex;flex-direction:column;gap:4px;
  padding:16px;border-radius:16px;
  border:1px solid var(--border);background:rgba(19,27,54,.65);
}
@media(max-width:900px){
  .faq-toc{position:static;flex-direction:row;flex-wrap:wrap;gap:8px;padding:12px}
  .faq-toc .tut-toc-title{width:100%}
  .faq-toc .tut-toc-cta{margin-top:0;width:100%;text-align:center}
}
.faq-toc a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:13.5px;color:var(--text-dim);transition:background .15s ease,color .15s ease;
}
.faq-toc a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.faq-toc a.is-active{
  color:#fff;font-weight:600;
  background:rgba(79,124,255,.16);border:1px solid rgba(79,124,255,.28);
}
.faq-content{display:flex;flex-direction:column;gap:22px;min-width:0}
.faq-block{
  padding:28px;border-radius:20px;border:1px solid var(--border);
  background:var(--card);scroll-margin-top:88px;
}
.faq-block-head{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.faq-block-head h2{font-size:22px;font-weight:800;margin-bottom:6px}
.faq-block-head p{font-size:14px;color:var(--text-dim)}
.faq-block .faq-list{max-width:none}
.faq-block .ans code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;padding:2px 7px;border-radius:6px;
  background:rgba(0,0,0,.28);border:1px solid var(--border);color:#c8d4ff;
}
.faq-bottom{
  padding:28px;border-radius:20px;border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(79,124,255,.08),rgba(19,27,54,.6));
}
.faq-bottom h2{font-size:20px;font-weight:800;margin-bottom:8px}
.faq-bottom>p{font-size:14.5px;color:var(--text-dim);margin-bottom:16px}
.faq-links{display:flex;flex-wrap:wrap;gap:10px}
.faq-links a{
  display:inline-flex;padding:10px 16px;border-radius:999px;
  font-size:13.5px;font-weight:600;color:var(--text);
  border:1px solid var(--border);background:rgba(255,255,255,.03);
}
.faq-links a:hover{border-color:rgba(79,124,255,.45);background:rgba(79,124,255,.08);color:#fff}

/* ── Footer ── */
footer{
  margin-top:24px;border-top:1px solid var(--border);
  padding:56px 0 40px;font-size:14px;
  background:linear-gradient(180deg,rgba(14,20,40,.35),rgba(11,16,32,.7));
}
.foot-grid{
  display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:36px 24px;margin-bottom:34px;
}
@media(max-width:980px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
  .foot-brand{grid-column:1/-1;max-width:640px}
}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-brand .logo{font-size:18px;margin-bottom:4px}
.foot-brand p{
  color:var(--text-dim);margin-top:12px;max-width:420px;
  font-size:13.5px;line-height:1.75;
}
.foot-platforms{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
}
.foot-platforms a{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--text-dim);border:1px solid var(--border);
  background:rgba(255,255,255,.03);transition:border-color .15s ease,color .15s ease,background .15s ease;
}
.foot-platforms a:hover{
  color:var(--text);border-color:rgba(79,124,255,.4);background:rgba(79,124,255,.08);
}
.foot-cta{
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:16px;padding:11px 18px;border-radius:12px;
  font-size:13.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  transition:opacity .15s ease,transform .15s ease;
}
.foot-cta:hover{opacity:.92;transform:translateY(-1px)}
.foot-col h4{
  font-size:13px;font-weight:700;margin-bottom:12px;color:var(--text);
  letter-spacing:.02em;
}
.foot-col a{
  display:block;color:var(--text-dim);
  padding:8px 0;line-height:1.45;
  transition:color .15s ease;
}
.foot-col a:hover{color:var(--text)}
.foot-bottom{
  border-top:1px solid var(--border);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;
  color:var(--text-dim);font-size:12.5px;line-height:1.6;
}
.foot-bottom-copy{
  display:flex;flex-wrap:wrap;gap:8px 16px;min-width:0;width:100%;
  justify-content:space-between;
}
@media(max-width:520px){
  .foot-bottom-copy{flex-direction:column}
}

/* ── 相关阅读 / SEO 内链块 ── */
.related-reads{padding:8px 0 8px}
.related-list{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;
}
.related-list a{
  display:block;padding:14px 16px;border-radius:14px;
  border:1px solid var(--border);background:rgba(255,255,255,.03);
  color:var(--text);font-size:14.5px;font-weight:600;line-height:1.45;
  transition:border-color .15s ease,background .15s ease,color .15s ease;
}
.related-list a:hover{
  border-color:rgba(79,124,255,.4);background:rgba(79,124,255,.08);color:#fff;
}
@media(max-width:640px){.related-list{grid-template-columns:1fr}}

/* ========== Blog list ========== */
.blog-page{padding:8px 0 96px}
.blog-toolbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-bottom:22px;
}
.blog-filter{display:flex;flex-wrap:wrap;gap:8px}
.blog-filter button{
  appearance:none;border:1px solid var(--border);background:rgba(11,16,32,.45);
  color:var(--text-dim);font:inherit;font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:999px;cursor:pointer;
  transition:border-color .15s ease,color .15s ease,background .15s ease;
}
.blog-filter button:hover{color:var(--text);border-color:rgba(79,124,255,.35)}
.blog-filter button.is-active{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
}
.blog-count{font-size:13px;color:var(--text-dim)}
.blog-count b{color:var(--text);font-weight:700}

.blog-grid{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
}
@media(max-width:760px){.blog-grid{grid-template-columns:1fr}}
.blog-card{
  display:flex;flex-direction:column;gap:12px;
  padding:22px 22px 18px;border-radius:18px;
  border:1px solid var(--border);background:rgba(11,16,32,.4);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
  min-height:100%;
}
.blog-card:hover{
  border-color:rgba(79,124,255,.4);
  background:rgba(79,124,255,.06);
  transform:translateY(-2px);
}
.blog-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.blog-tag{
  display:inline-flex;align-items:center;
  font-size:11.5px;font-weight:700;letter-spacing:.02em;
  padding:3px 10px;border-radius:999px;
  border:1px solid var(--border);color:var(--text-dim);
}
.blog-tag.pick{color:#7dd3fc;border-color:rgba(125,211,252,.35)}
.blog-tag.guide{color:var(--accent-3);border-color:rgba(0,212,166,.35)}
.blog-tag.fix{color:#f0d35a;border-color:rgba(240,211,90,.35)}
.blog-card time,.blog-date{font-size:12.5px;color:var(--text-dim);white-space:nowrap}
.blog-card h2{font-size:18px;font-weight:800;line-height:1.4;margin:0}
.blog-card p{font-size:14px;color:var(--text-dim);line-height:1.65;flex:1;margin:0}
.blog-card-more{
  font-size:13.5px;font-weight:700;color:var(--accent);
  display:inline-flex;align-items:center;gap:6px;
}
.blog-card:hover .blog-card-more{text-decoration:underline}

.blog-empty{
  display:none;padding:40px 20px;text-align:center;
  color:var(--text-dim);border:1px dashed var(--border);border-radius:16px;
}
.blog-empty.is-show{display:block}

/* ========== Blog article ========== */
.article-page{padding:8px 0 96px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;align-items:start;
}
@media(max-width:960px){.article-layout{grid-template-columns:1fr}}
.article-crumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--text-dim);margin-bottom:18px;
}
.article-crumb a{color:var(--text-dim)}
.article-crumb a:hover{color:var(--accent)}
.article-crumb span[aria-hidden]{opacity:.45}
.article-head{margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.article-head .blog-tag{margin-bottom:12px}
.article-head h1{
  font-size:clamp(26px,3.4vw,36px);font-weight:800;line-height:1.3;margin-bottom:12px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 16px;
  font-size:13px;color:var(--text-dim);
}
.article-meta time{color:var(--text-dim)}
.article-prose{font-size:15.5px;color:var(--text);line-height:1.85}
.article-prose > * + *{margin-top:1.05em}
.article-prose h2{
  font-size:22px;font-weight:800;margin-top:1.8em;margin-bottom:.55em;line-height:1.35;
}
.article-prose h3{
  font-size:17px;font-weight:750;margin-top:1.45em;margin-bottom:.4em;
}
.article-prose p{color:rgba(232,236,248,.92)}
.article-prose a{color:var(--accent);font-weight:600}
.article-prose a:hover{text-decoration:underline}
.article-prose ul,.article-prose ol{padding-left:1.25em;color:var(--text-dim)}
.article-prose li{padding:.22em 0}
.article-prose li strong{color:var(--text)}
.article-prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;padding:2px 7px;border-radius:6px;
  background:rgba(0,0,0,.28);border:1px solid var(--border);color:#c8d4ff;
}
.article-prose .callout{
  margin:1.4em 0;padding:14px 16px;border-radius:14px;
  border:1px solid rgba(79,124,255,.28);background:rgba(79,124,255,.08);
  color:var(--text-dim);font-size:14.5px;
}
.article-prose .callout strong{color:var(--text)}
.article-nav{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
}
.article-nav a{
  font-size:14px;font-weight:600;color:var(--text-dim);
  padding:10px 14px;border-radius:12px;border:1px solid var(--border);
  background:rgba(11,16,32,.35);
}
.article-nav a:hover{color:var(--text);border-color:rgba(79,124,255,.4)}
.article-aside{position:sticky;top:86px}
@media(max-width:960px){.article-aside{position:static}}
.article-aside-card{
  padding:18px 18px 16px;border-radius:16px;
  border:1px solid var(--border);background:rgba(11,16,32,.45);
  margin-bottom:14px;
}
.article-aside-card h2{
  font-size:14px;font-weight:800;margin-bottom:12px;color:var(--text);
}
.article-aside-card ol,.article-aside-card ul{
  list-style:none;margin:0;padding:0;
}
.article-aside-card a{
  display:block;padding:8px 0;font-size:13.5px;color:var(--text-dim);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.article-aside-card a:last-child{border-bottom:0}
.article-aside-card a:hover{color:var(--accent)}
.article-aside-cta .article-aside-card{
  background:linear-gradient(160deg,rgba(79,124,255,.12),rgba(19,27,54,.65));
}
.article-aside-cta p{font-size:13.5px;color:var(--text-dim);margin-bottom:12px;line-height:1.6}
.article-aside-cta .pkg-btn{width:100%}

/* 文末下载引导 */
.article-dl-card{
  margin-top:36px;padding:22px 24px;
  border-radius:18px;border:1px solid rgba(79,124,255,.3);
  background:linear-gradient(145deg,rgba(79,124,255,.14),rgba(19,27,54,.75));
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.article-dl-card h2{font-size:20px;font-weight:800;margin:0 0 6px;color:var(--text)}
.article-dl-card p{margin:0;font-size:14px;color:var(--text-dim);max-width:520px;line-height:1.65}
.article-dl-card-actions{display:flex;flex-wrap:wrap;gap:10px}
.article-dl-card-actions .pkg-btn{min-width:120px}

/* 右下角下载浮窗 */
.dl-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:min(280px,calc(100vw - 32px));
  padding:16px 16px 14px;
  border-radius:18px;border:1px solid rgba(79,124,255,.35);
  background:rgba(14,20,40,.94);
  box-shadow:0 16px 40px rgba(0,0,0,.4);
  backdrop-filter:blur(10px);
  animation:dl-float-in .35s ease both;
}
.dl-float.is-hide{display:none}
@keyframes dl-float-in{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:none}
}
@media(prefers-reduced-motion:reduce){.dl-float{animation:none}}
.dl-float-close{
  position:absolute;top:8px;right:10px;
  width:28px;height:28px;border:0;border-radius:8px;
  background:transparent;color:var(--text-dim);cursor:pointer;
  font-size:18px;line-height:1;
}
.dl-float-close:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dl-float-kicker{
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
  color:var(--accent-3);margin:0 0 6px;padding-right:24px;
}
.dl-float-title{font-size:16px;font-weight:800;margin:0 0 4px;color:var(--text)}
.dl-float-desc{font-size:12.5px;color:var(--text-dim);margin:0 0 12px;line-height:1.5}
.dl-float .pkg-btn{width:100%}
@media(max-width:520px){
  .dl-float{right:12px;bottom:12px}
}

/* 导航文案较长的语言（如日文）在中等宽度先收进汉堡菜单，避免顶栏换行 */
@media(max-width:1100px){
  .nav-toggle{display:inline-flex}
  .nav-end{gap:6px}
  .lang-switch summary{
    padding:0 12px;border:1px solid var(--border);background:rgba(255,255,255,.04);
    font-size:13px;font-weight:600;color:var(--text);
  }
  .lang-full{display:none}
  .lang-short{display:inline}
  .nav-links{
    position:fixed;inset:66px 0 auto 0;height:auto;max-height:calc(100vh - 66px);
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:12px 16px 20px;white-space:normal;font-size:15px;
    background:rgba(11,16,32,.98);
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 40px rgba(0,0,0,.45);
    overflow:auto;-webkit-overflow-scrolling:touch;
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    z-index:90;
  }
  body.nav-open .nav-links{
    opacity:1;visibility:visible;pointer-events:auto;transform:none;
  }
  body.nav-open{overflow:hidden}
  .nav-links > a:not(.nav-cta){
    min-height:48px;padding:12px 14px;border-radius:12px;white-space:normal;
  }
  .nav-links a.is-active::after,
  .nav-links a[aria-current="page"]::after{display:none}
  .nav-links a.is-active,
  .nav-links a[aria-current="page"]{
    background:rgba(79,124,255,.12);color:#fff;
  }
  .nav-cta{
    margin:10px 0 0;width:100%;padding:14px 18px;align-self:stretch;font-size:15px;
  }
}

/* ========== Mobile adaptation ========== */
@media(max-width:768px){
  .container{padding:0 16px}
  section{padding:64px 0}
  .page-hero{padding:36px 0 20px}
  .page-hero-compact{padding:28px 0 10px}
  .page-hero h1,.page-hero-compact h1,.page-hero-download h1{font-size:clamp(26px,7vw,34px)}
  .page-hero .lead,.page-hero-compact .lead,.page-hero-download .lead{font-size:14px}

  .hero{padding:48px 0 40px}
  .hero-grid{gap:28px}
  .hero-copy>p{font-size:15px;margin-bottom:24px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-shot figcaption>span:last-child{margin-left:0;width:100%}
  .sec-head{margin-bottom:32px;gap:16px}
  .sec-head .sub{max-width:none}
  .eyebrow{letter-spacing:.18em;gap:10px;margin-bottom:14px}
  .eyebrow::before{width:28px}
  .marquee{padding:14px 0}
  .marquee-track,.marquee-track span{gap:28px;font-size:13px}

  .t-step{padding-left:72px}
  .t-step .node{width:44px;height:44px;font-size:15px}
  .dl-num{font-size:56px}
  .tile-zero .big{font-size:72px}
  .bottom-cta .panel{padding:48px 20px}
  .bottom-cta .cta-row{flex-direction:column}
  .bottom-cta .cta-row .btn{width:100%;justify-content:center}

  .dl-quick{gap:8px}
  .dl-quick a{padding:10px 12px;font-size:13px}
  .dl-toolbar{
    position:static;top:auto;padding:10px 0 14px;margin-bottom:14px;gap:12px;
  }
  .dl-filter{gap:8px}
  .dl-filter button{min-height:40px;padding:10px 14px;font-size:13px}
  .dl-tip{max-width:none}
  .dl-block{padding:16px;border-radius:16px;scroll-margin-top:80px}
  .dl-block-head{gap:12px}
  .dl-block-copy h2{font-size:18px}
  .dl-block-logo{width:48px;height:48px;border-radius:12px}
  .pkg-btn{min-height:44px;padding:11px 14px}
  .dl-notes,.dl-intro{padding:22px 18px;margin-top:28px}

  .tut-card,.qs-step,.faq-block{padding:20px 16px;border-radius:16px;scroll-margin-top:80px}
  .tut-toc,.faq-toc{
    display:flex;gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch;
    flex-wrap:nowrap;padding:10px;scrollbar-width:none;
  }
  .tut-toc::-webkit-scrollbar,.faq-toc::-webkit-scrollbar{display:none}
  .tut-toc-title,.faq-toc .tut-toc-title{display:none}
  .tut-toc a,.faq-toc a{
    flex:none;white-space:nowrap;min-height:40px;
    display:inline-flex;align-items:center;padding:10px 14px;
  }
  .tut-toc-cta,.faq-toc .tut-toc-cta{width:auto!important;margin:0!important}
  .compare-row{gap:8px}
  .compare-row span{font-size:13.5px}
  .tip-grid{gap:12px}

  .qs-pick{gap:10px}
  .qs-pick-card{padding:14px}
  .blog-filter button{min-height:40px;padding:10px 14px}
  .blog-card{padding:18px 16px}
  .article-page,.blog-page,.dl-page,.faq-page,.tut-page{padding-bottom:72px}
  .article-head h1{font-size:clamp(24px,6.5vw,30px)}
  .article-prose{font-size:15px}
  .article-prose code,.tut-steps code,.dl-notes code,.qs-bullets code{
    word-break:break-word;overflow-wrap:anywhere;
  }
  .article-dl-card{padding:18px 16px}
  .article-dl-card-actions{width:100%}
  .article-dl-card-actions .pkg-btn{flex:1;min-width:0}
  .article-nav a{flex:1 1 100%;text-align:center}
  .article-aside{order:-1}
  .article-layout{display:flex;flex-direction:column;gap:20px}

  .faq-item summary{
    align-items:flex-start;gap:12px;padding:16px 14px;font-size:15px;line-height:1.45;
  }
  .foot-col a,.foot-platforms a{min-height:40px}
  .foot-platforms a{display:inline-flex;align-items:center}

  .dl-float{
    left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));
    width:auto;display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center;
    padding:12px 14px;border-radius:16px;
  }
  .dl-float-kicker,.dl-float-desc{display:none}
  .dl-float-title{margin:0;font-size:14px;padding-right:28px;grid-column:1/-1}
  .dl-float .pkg-btn{grid-column:1/-1;min-height:44px}
  .dl-float-close{width:40px;height:40px;top:4px;right:4px;font-size:22px}
  body.has-dl-float{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}

  @media(hover:none){
    .dl-card:hover,.pkg-row:hover,.blog-card:hover,.qs-pick-card:hover{transform:none}
  }
}

@media(max-width:480px){
  .container{padding:0 14px}
  section{padding:52px 0}
  .hero{padding:36px 0 28px}
  .logo span{font-size:18px}
  .nav-cta{font-size:14px}
  .hero-copy h1{font-size:clamp(28px,8vw,34px)}
  .btn{padding:12px 18px;font-size:15px}
  .t-step{padding:18px 0 18px 60px}
  .t-step .node{left:0;width:40px;height:40px}
  .dl-quick a span{display:none}
  .pkg-list{grid-template-columns:1fr}
  .dl-block-copy .desc{-webkit-line-clamp:3}
  .article-dl-card-actions{flex-direction:column}
  .article-dl-card-actions .pkg-btn{width:100%}
  .foot-cta{width:100%;justify-content:center}
  .tut-thumb-logo{display:block;width:56px;height:56px}
}