/* DesktopCtl 官网样式 —— 深炭底 + 暖金强调（取自产品标志的光标色） */

:root{
  --bg:#0e0e11;
  --bg-alt:#121216;
  --panel:#17171c;
  --panel-2:#1c1c22;
  --line:#2a2a33;
  --line-soft:#222229;
  --tx:#eceae4;
  --tx-dim:#9c978d;
  --tx-faint:#726e67;
  --gold:#f0b961;
  --gold-soft:#ffd9a0;
  --green:#7fd88f;
  --radius:14px;
  --wrap:1140px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font-family:var(--font);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.25;margin:0;font-weight:650;letter-spacing:-.01em}
p{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.grid>*,.hero-inner>*,.metrics-grid>*,.dl-grid>*{min-width:0}
.wrap.narrow{max-width:820px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--gold);color:#1a1400;padding:8px 14px;border-radius:8px}

/* ── 导航 ───────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(14,14,17,.82);backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:680;font-size:17px;letter-spacing:-.01em}
.brand img{border-radius:8px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--tx-dim)}
.nav-links a{transition:color .18s}
.nav-links a:hover{color:var(--tx)}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:1.6px;background:var(--tx);margin:4px 0;transition:.2s}

/* ── 按钮 ───────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;
  transition:transform .16s ease, box-shadow .2s ease, background .2s;
  white-space:nowrap;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-soft));color:#231903;box-shadow:0 6px 22px -10px rgba(240,185,97,.85)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px -10px rgba(240,185,97,.9)}
.btn-ghost{border:1px solid var(--line);color:var(--tx)}
.btn-ghost:hover{border-color:#45444f;background:var(--panel)}

/* ── Hero ───────────────────────────────── */
.hero{position:relative;padding:84px 0 76px;overflow:hidden}
.glow{
  position:absolute;inset:-220px 0 auto 0;height:620px;pointer-events:none;
  background:radial-gradient(680px 320px at 22% 40%,rgba(240,185,97,.16),transparent 70%),
             radial-gradient(560px 300px at 78% 10%,rgba(120,150,255,.09),transparent 70%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--gold);
  border:1px solid rgba(240,185,97,.28);background:rgba(240,185,97,.07);
  padding:5px 13px;border-radius:999px;margin-bottom:22px;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(127,216,143,.16)}
h1{font-size:clamp(32px,4.4vw,50px);font-weight:700;letter-spacing:-.02em}
h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--gold),var(--gold-soft) 60%,#fff0d4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{margin-top:20px;font-size:17px;color:var(--tx-dim);max-width:37em}
.lede strong{color:var(--tx);font-weight:600}
.cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.fineprint{margin-top:16px;font-size:13px;color:var(--tx-faint)}

/* 产品示意窗口 */
.hero-art{position:relative;min-height:400px;min-width:0}
.win{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:var(--panel);box-shadow:0 30px 70px -30px rgba(0,0,0,.9);
}
.win-bar{
  display:flex;align-items:center;gap:7px;padding:9px 13px;
  background:linear-gradient(180deg,#212128,#1a1a20);border-bottom:1px solid var(--line-soft);
}
.win-bar i{width:9px;height:9px;border-radius:50%;background:#3a3a44}
.win-bar i:first-child{background:#e0645c}
.win-bar i:nth-child(2){background:#e0b24c}
.win-bar i:nth-child(3){background:#5fc27e}
.win-bar span{margin-left:8px;font-size:11.5px;color:var(--tx-faint)}
.win-foot{
  display:flex;gap:16px;padding:7px 13px;font-size:11px;color:var(--tx-faint);
  border-top:1px solid var(--line-soft);background:#15151a;
}
.win-foot .ok{color:var(--green)}
.win-desk{position:relative;z-index:1}
.desk-body{height:210px;position:relative;background:linear-gradient(145deg,#1d222b,#141820 60%,#191520)}
.desk-hud{
  position:absolute;right:10px;top:10px;z-index:3;display:flex;align-items:center;gap:9px;
  padding:4px 11px;border-radius:999px;font-size:10.5px;letter-spacing:.02em;
  background:rgba(10,10,13,.72);border:1px solid rgba(255,255,255,.09);backdrop-filter:blur(6px);
}
.desk-hud b{color:var(--green);font-weight:500}
.desk-hud span{color:var(--tx-dim)}
.desk-dock{position:absolute;left:50%;transform:translateX(-50%);bottom:8px;width:46%;height:12px;border-radius:7px;background:rgba(255,255,255,.07)}
.desk-card{position:absolute;border-radius:7px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.045)}
.desk-card.c1{left:6%;top:12%;width:40%;height:46%}
.desk-card.c2{right:7%;top:20%;width:34%;height:34%}
.desk-card.c3{left:16%;bottom:18%;width:30%;height:22%}
.cursor{
  position:absolute;left:52%;top:46%;width:11px;height:16px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold-soft),var(--gold));
  box-shadow:0 0 16px 4px rgba(240,185,97,.5);
  animation:drift 7s ease-in-out infinite;
}
@keyframes drift{
  0%,100%{transform:translate(0,0)}
  30%{transform:translate(-110px,26px)}
  62%{transform:translate(72px,-34px)}
}
.win-term{position:relative;z-index:2;margin:-46px 0 0 auto;width:90%}
.term-body{min-width:0;padding:14px 16px;font-family:var(--mono);font-size:12.2px;line-height:1.85;background:#0f0f13;color:#cfcbc3}
.term-body p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.term-body .p{color:var(--green)}
.term-body .d{color:#79a7d8}
.term-body .g{color:var(--green)}
.term-body .m{color:var(--gold)}
.caret{display:inline-block;width:7px;height:14px;background:var(--gold);vertical-align:-2px;animation:blink 1.1s step-end infinite}
@keyframes blink{50%{opacity:0}}

/* ── 指标条 ─────────────────────────────── */
.metrics{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--bg-alt)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:32px;padding-bottom:32px}
.metrics-grid div{text-align:center}
.metrics-grid b{display:block;font-size:27px;font-weight:680;color:var(--gold);letter-spacing:-.02em}
.metrics-grid span{font-size:13.5px;color:var(--tx-dim)}

/* ── 通用区块 ───────────────────────────── */
.sec{padding:92px 0}
.sec.alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:12px;font-weight:600}
.sec h2{font-size:clamp(25px,3vw,35px)}
.sub{margin-top:14px;color:var(--tx-dim);font-size:16.5px;max-width:44em}
.grid{display:grid;gap:20px;margin-top:44px}

/* 能力卡片 */
.cards{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:26px 24px;transition:border-color .2s,transform .2s,background .2s;
}
.card:hover{border-color:rgba(240,185,97,.34);transform:translateY(-2px);background:var(--panel-2)}
.card .ico{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(240,185,97,.1);color:var(--gold);border:1px solid rgba(240,185,97,.2);
}
.card .ico svg{width:21px;height:21px;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{font-size:14.6px;color:var(--tx-dim)}
.card strong{color:var(--tx);font-weight:600}

/* 差异化 */
.why-grid{grid-template-columns:repeat(2,1fr);gap:24px}
.why{
  position:relative;padding:28px 26px 28px 30px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line-soft);
}
.why b{
  display:block;font-family:var(--mono);font-size:13px;color:var(--gold);
  letter-spacing:.1em;margin-bottom:10px;
}
.why h3{font-size:18px;margin-bottom:10px}
.why p{font-size:14.8px;color:var(--tx-dim)}
.why strong{color:var(--tx);font-weight:600}

/* 选路图 */
.route{
  margin-top:40px;padding:18px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line-soft);
  overflow-x:auto;
}
.route-svg{width:100%;min-width:660px;height:auto;display:block}

.tech-grid{grid-template-columns:repeat(4,1fr)}
.tcard{padding:22px 20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line-soft)}
.tcard h3{font-size:16px;margin-bottom:9px;color:var(--gold-soft)}
.tcard p{font-size:14px;color:var(--tx-dim)}

/* 平台矩阵 */
.table-wrap{margin-top:40px;overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--radius)}
.matrix{width:100%;border-collapse:collapse;min-width:560px;background:var(--panel)}
.matrix th,.matrix td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:14.8px}
.matrix thead th{font-size:13px;color:var(--tx-faint);font-weight:600;letter-spacing:.04em;background:#15151a}
.matrix tbody tr:last-child td{border-bottom:0}
.matrix td:first-child{font-weight:600}
.matrix .y{color:var(--green)}
.matrix .n{color:var(--tx-faint)}
.tag{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12.5px;border:1px solid}
.tag.live{color:var(--green);border-color:rgba(127,216,143,.3);background:rgba(127,216,143,.09)}
.tag.beta{color:var(--gold);border-color:rgba(240,185,97,.3);background:rgba(240,185,97,.08)}
.tag.dev{color:var(--tx-dim);border-color:var(--line);background:rgba(255,255,255,.04)}
.note{margin-top:16px;font-size:13.5px;color:var(--tx-faint)}

/* 步骤 */
.steps{grid-template-columns:repeat(3,1fr)}
.step{padding:24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line-soft)}
.step b{
  display:grid;place-items:center;width:30px;height:30px;border-radius:9px;margin-bottom:14px;
  background:rgba(240,185,97,.12);color:var(--gold);font-size:14px;border:1px solid rgba(240,185,97,.22);
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14.4px;color:var(--tx-dim)}

/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.dl{
  display:flex;flex-direction:column;gap:5px;padding:24px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);transition:.2s;
}
a.dl:hover{border-color:var(--gold);background:var(--panel-2);transform:translateY(-2px)}
.dl-os{font-size:18px;font-weight:650}
.dl-act{font-size:14.5px;color:var(--gold)}
.dl-meta{font-size:12.6px;color:var(--tx-faint)}
.dl.disabled{opacity:.55}
.dl.disabled .dl-act{color:var(--tx-dim)}

.price-note{
  margin-top:34px;padding:26px 28px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(240,185,97,.09),rgba(240,185,97,.02));
  border:1px solid rgba(240,185,97,.24);
}
.price-note h3{font-size:17px;margin-bottom:10px;color:var(--gold-soft)}
.price-note p{font-size:14.8px;color:var(--tx-dim)}
.price-note strong{color:var(--tx)}

/* FAQ */
details{
  border-bottom:1px solid var(--line-soft);padding:19px 2px;
}
details:first-of-type{border-top:1px solid var(--line-soft);margin-top:40px}
summary{
  cursor:pointer;font-size:16.5px;font-weight:600;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--gold);font-size:20px;font-weight:400;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px;color:var(--tx-dim);font-size:14.8px}

/* 尾部 CTA */
.final{padding:84px 0;text-align:center;background:
  radial-gradient(700px 260px at 50% 0%,rgba(240,185,97,.12),transparent 70%),var(--bg)}
.final h2{font-size:clamp(24px,3vw,33px)}
.final p{margin:14px 0 28px;color:var(--tx-dim)}

/* 页脚 */
.foot{border-top:1px solid var(--line-soft);background:var(--bg-alt);padding:36px 0}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:9px;font-weight:640}
.foot-brand img{border-radius:7px}
.foot-copy{font-size:13px;color:var(--tx-faint);text-align:right;line-height:1.8}

/* ── 响应式 ─────────────────────────────── */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-art{min-height:auto;max-width:560px}
  .win-term{width:94%;margin-top:-44px}
  .cards,.tech-grid{grid-template-columns:repeat(2,1fr)}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:720px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg-alt);border-bottom:1px solid var(--line);
    padding:8px 24px 16px;display:none;
  }
  .nav-links a{padding:11px 0;border-bottom:1px solid var(--line-soft)}
  .nav.open .nav-links{display:flex}
  .nav-toggle{display:block;order:3}
  .nav .btn-sm{margin-left:auto;order:2}
  .nav.open .nav-toggle span:first-child{transform:translateY(5.6px) rotate(45deg)}
  .nav.open .nav-toggle span:nth-child(2){opacity:0}
  .nav.open .nav-toggle span:last-child{transform:translateY(-5.6px) rotate(-45deg)}
  .hero{padding:56px 0 60px}
  .sec{padding:64px 0}
  .cards,.why-grid,.steps,.tech-grid,.dl-grid{grid-template-columns:1fr}
  .foot-inner{flex-direction:column;align-items:flex-start}
  .foot-copy{text-align:left}
  .term-body{font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}