/* ==========================================================================
   Mac for CC · 全站公共样式
   ========================================================================== */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F5F2EC;
  --surface:#FFFFFF;
  --ink:#141210;
  --ink2:#5F5952;
  --ink3:#948C82;
  --line:#E3DDD3;
  --accent:#FF4D00;
  --accent-soft:#FFE8DE;
  --dark:#0C0B0A;
  --dark2:#141210;
  --r:22px;
  --r-sm:12px;
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.en .zh{display:none!important}
body:not(.en) .en{display:none!important}
a{color:inherit;text-decoration:none}
img,svg{display:block}
button{font:inherit;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}

/* ---------- announcement ---------- */
.notice{background:var(--dark);color:#fff;font-size:13px;letter-spacing:.2px}
.notice .wrap{display:flex;align-items:center;justify-content:center;gap:10px;height:40px}
.dot{width:6px;height:6px;border-radius:50%;background:#43D67B;box-shadow:0 0 0 3px rgba(67,214,123,.22);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.notice b{font-weight:500;color:#fff}
.notice span.muted{color:rgba(255,255,255,.55)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:90;background:rgba(245,242,236,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.stuck{border-bottom-color:var(--line);background:rgba(245,242,236,.94)}
.nav .wrap{display:flex;align-items:center;height:68px;gap:34px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:17px;letter-spacing:-.3px}
.brand .mark{width:26px;height:26px;border-radius:8px;background:var(--ink);display:grid;place-items:center;flex:none}
.brand .mark svg{width:14px;height:14px}
.navlinks{display:flex;gap:26px;font-size:14.5px;color:var(--ink2)}
.navlinks a{transition:color .2s;position:relative}
.navlinks a:hover{color:var(--ink)}
.navlinks a.on{color:var(--ink);font-weight:500}
.navlinks a.on::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);border-radius:2px}
.navright{margin-left:auto;display:flex;align-items:center;gap:14px}
.langsw{display:flex;background:rgba(20,18,16,.06);border-radius:100px;padding:3px;font-size:12.5px;font-weight:500}
.langsw button{border:0;background:none;color:var(--ink3);padding:5px 11px;border-radius:100px;cursor:pointer;transition:.2s}
.langsw button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.09)}
.navlogin{font-size:14.5px;color:var(--ink2)}
.navlogin:hover{color:var(--ink)}
@media(max-width:980px){.navlinks,.navlogin{display:none}}
@media(max-width:520px){.nav{gap:0}.nav .wrap{gap:10px}.langsw{display:none}
  .navright .btn-dark{padding:9px 15px;font-size:13px}}

/* 手机端汉堡菜单（按钮由 site.js 注入，五个页面共用） */
.navburger{display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.7);cursor:pointer;position:relative;flex:none}
.navburger i,.navburger i::before,.navburger i::after{position:absolute;left:50%;width:17px;height:1.8px;border-radius:2px;
  background:var(--ink);transform:translateX(-50%);transition:transform .25s,opacity .2s}
.navburger i{top:50%;margin-top:-.9px}
.navburger i::before,.navburger i::after{content:"";left:0;transform:none}
.navburger i::before{top:-6px}
.navburger i::after{top:6px}
.navburger.on i{background:transparent}
.navburger.on i::before{transform:translateY(6px) rotate(45deg)}
.navburger.on i::after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:980px){.navburger{display:block}}
.navpanel{position:fixed;left:0;right:0;top:108px;z-index:88;background:#F5F2EC;border-bottom:1px solid var(--line);
  box-shadow:0 24px 50px -26px rgba(20,18,16,.34);padding:8px 22px 20px;max-height:calc(100vh - 68px);overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:transform .22s,opacity .22s}
.navpanel.on{transform:none;opacity:1;pointer-events:auto}
.navpanel a{display:block;padding:14px 2px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.navpanel a:active{color:var(--accent)}
.navpanel .npact{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.navpanel .npact .btn{flex:1;min-width:130px;text-align:center;padding:12px 18px;font-size:14.5px;border-bottom:0}
.navpanel .npact .btn-ghost{background:#fff}
.navpanel .npact .btn-dark{color:#fff}
.navpanel .nplang{display:flex;gap:8px;margin-top:14px;align-items:center}
.navpanel .nplang span{font-size:12.5px;color:var(--ink3);margin-right:2px}
.navpanel .nplang button{flex:1;border:1px solid var(--line);background:#fff;color:var(--ink2);border-radius:10px;
  padding:9px;font-size:13.5px;font-family:inherit;cursor:pointer}
.navpanel .nplang button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:500;border-radius:100px;transition:transform .18s,background .2s,box-shadow .2s;white-space:nowrap;text-decoration:none}
.btn:active{transform:scale(.98)}
.btn-dark{background:var(--ink);color:#fff;padding:11px 22px;font-size:14.5px}
.btn-dark:hover{background:#000;box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);padding:11px 22px;font-size:14.5px}
.btn-ghost:hover{background:#fff;border-color:#CFC6B8}
.btn-accent{background:var(--accent);color:#fff;padding:12px 26px;font-size:15px}
.btn-accent:hover{box-shadow:0 10px 26px rgba(255,77,0,.3)}

/* ---------- 首屏舞台 ---------- */
.stage{position:relative;background:radial-gradient(120% 90% at 50% -10%,#20201F 0%,#121211 45%,#0A0A09 100%);
  color:#fff;overflow:hidden;padding:52px 0 38px}
.stage::after{content:"";position:absolute;left:50%;top:26%;width:760px;height:520px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(255,120,60,.16),transparent 62%);filter:blur(18px);pointer-events:none}
.stage .wrap{position:relative;z-index:2;text-align:center;width:100%}
.stagetag{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.4px;color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.18);border-radius:100px;padding:7px 15px;margin-bottom:20px}
.stagetag i{width:6px;height:6px;border-radius:50%;background:#43D67B;box-shadow:0 0 0 3px rgba(67,214,123,.18)}
.stage h1{font-size:clamp(34px,5.2vw,64px);line-height:1.06;letter-spacing:-2.4px;font-weight:600;margin:0 auto 20px;max-width:900px}
.stage h1 em{font-style:normal;color:#FF6B33}
.stageled{font-size:16.5px;line-height:1.65;color:rgba(255,255,255,.6);max-width:540px;margin:0 auto 26px}
.stagebtns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}
.stage .btn-ghost{color:#fff;border-color:rgba(255,255,255,.22)}
.stage .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4)}

/* 机器悬浮 */
.macstage{position:relative;margin:6px auto 0;max-width:760px;perspective:1200px}
.macstage .halo{position:absolute;left:50%;top:48%;width:660px;height:340px;transform:translate(-50%,-50%);
  background:radial-gradient(ellipse at center,rgba(255,255,255,.14),rgba(255,255,255,0) 66%);filter:blur(10px);pointer-events:none}
.macstage img.mac{position:relative;width:100%;height:auto;max-width:600px;margin:0 auto;
  filter:drop-shadow(0 34px 54px rgba(0,0,0,.7));
  animation:macFloat 7.5s cubic-bezier(.45,0,.55,1) infinite;
  will-change:transform}
@keyframes macFloat{
  0%{transform:translateY(-6px) rotate(-.7deg)}
  50%{transform:translateY(12px) rotate(.7deg)}
  100%{transform:translateY(-6px) rotate(-.7deg)}
}
.macstage .base{width:min(78%,520px);height:26px;margin:-18px auto 0;
  background:radial-gradient(ellipse at center,rgba(0,0,0,.62),rgba(0,0,0,0) 70%);filter:blur(6px);
  animation:basePulse 7.5s cubic-bezier(.45,0,.55,1) infinite}
@keyframes basePulse{0%,100%{opacity:.55;transform:scaleX(.94)}50%{opacity:.9;transform:scaleX(1.04)}}
.macchips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:2px}
.macchips span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:rgba(255,255,255,.76);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:100px;padding:7px 14px;
  backdrop-filter:blur(8px)}
.macchips u{text-decoration:none;color:#5FE08D}

/* 进场：两侧幕布分开 + 机器升起 */
.curtain{position:absolute;top:0;bottom:0;width:52%;z-index:3;pointer-events:none;
  background:linear-gradient(90deg,#0A0A09,#0F0F0E);}
.curtain.l{left:0;animation:partL .95s cubic-bezier(.22,.72,.2,1) forwards}
.curtain.r{right:0;background:linear-gradient(270deg,#0A0A09,#0F0F0E);animation:partR .95s cubic-bezier(.22,.72,.2,1) forwards}
@keyframes partL{to{transform:translateX(-102%)}}
@keyframes partR{to{transform:translateX(102%)}}
.risein{animation:riseIn .9s .12s cubic-bezier(.2,.7,.3,1) both}
@keyframes riseIn{from{opacity:0;transform:translateY(46px) scale(.94)}to{opacity:1;transform:none}}
.scrollhint{display:inline-flex;align-items:center;gap:8px;margin:16px auto 0;font-size:12px;color:rgba(255,255,255,.34)}
.scrollhint i{display:block;width:1px;height:26px;background:linear-gradient(rgba(255,255,255,.5),transparent);
  animation:hint 2s ease-in-out infinite}
@keyframes hint{0%,100%{opacity:.3;transform:translateY(-3px)}50%{opacity:1;transform:translateY(3px)}}

/* ---------- stats ---------- */
.stats{background:var(--dark2);color:#fff;padding:52px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:820px){.stats .wrap{grid-template-columns:repeat(2,1fr);gap:34px}}
.stat .num{font-size:clamp(30px,3.4vw,44px);font-weight:600;letter-spacing:-1.6px;line-height:1;font-variant-numeric:tabular-nums}
.stat .num span.pct{color:rgba(255,255,255,.55);font-size:.62em;letter-spacing:-.5px}
.stat .lbl{font-size:13.5px;color:rgba(255,255,255,.5);margin-top:10px}

/* ---------- section ---------- */
.sec{padding:96px 0}
.sec.tint{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(max-width:760px){.sec{padding:66px 0}}
.eyebrow{font-size:12.5px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:16px}
h2.h{font-size:clamp(27px,3.2vw,42px);line-height:1.18;letter-spacing:-1.4px;font-weight:600;margin-bottom:16px}
.sub{font-size:16.5px;color:var(--ink2);max-width:640px;line-height:1.7}
.sechead{margin-bottom:48px}
.center{text-align:center}
.center .sub{margin-left:auto;margin-right:auto}

/* ---------- feature cards ---------- */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.fgrid{grid-template-columns:1fr}}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;
  transition:transform .25s,box-shadow .25s,border-color .25s}
.fcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(20,18,16,.3);border-color:#D2C9BA}
.ficon{width:42px;height:42px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:20px}
.ficon svg{width:20px;height:20px;color:var(--accent)}
.fcard h3{font-size:16.5px;font-weight:600;letter-spacing:-.3px;margin-bottom:9px}
.fcard p{font-size:14.5px;color:var(--ink2);line-height:1.65}

/* ---------- 图文两栏 ---------- */
.dgrid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:stretch}
@media(max-width:940px){.dgrid{grid-template-columns:1fr;gap:36px}}
.dphoto{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 28px 64px -32px rgba(20,18,16,.45);
  background:#E7E2D8;min-height:420px;height:100%}
.dphoto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media(max-width:940px){.dphoto{min-height:0;height:auto;aspect-ratio:4/3}}
.dcap{position:absolute;left:0;right:0;bottom:0;padding:34px 20px 16px;font-size:12.5px;line-height:1.5;color:#fff;
  background:linear-gradient(transparent,rgba(20,18,16,.76))}
.specs{width:100%;border-collapse:collapse;margin:2px 0 20px;font-size:13.5px}
.specs td{padding:8px 0;border-bottom:1px solid var(--line);vertical-align:top}
.specs td:first-child{color:var(--ink3);width:104px}
.specs td:last-child{text-align:right;font-weight:500}
.specs tr:last-child td{border-bottom:0}
.dpoints{display:grid;gap:11px}
.dpoint{display:flex;gap:11px;font-size:13.5px;color:var(--ink2);line-height:1.6}
.dpoint .n{flex:none;width:21px;height:21px;border-radius:50%;background:var(--accent-soft);color:#B23300;
  font-size:11px;font-weight:600;display:grid;place-items:center;margin-top:2px}
.dpoint b{color:var(--ink);font-weight:600}

/* ---------- pricing ---------- */
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(238px,1fr));gap:16px;align-items:stretch}
@media(max-width:1020px){.pgrid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.pgrid{grid-template-columns:1fr}}
/* 一个档位都还没上架时占位，别露出一片空白 */
.pempty{grid-column:1/-1;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r);
  padding:40px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.pempty b{font-size:17px;font-weight:600}
.pempty p{font-size:13.8px;color:var(--ink2);max-width:440px;line-height:1.65;margin:0}
.pempty .btn{margin-top:6px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;display:flex;
  flex-direction:column;position:relative;transition:transform .25s,box-shadow .25s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 20px 44px -24px rgba(20,18,16,.28)}
.pcard.hot{background:var(--dark2);color:#fff;border-color:var(--dark2)}
.pcard.hot .pname,.pcard.hot .price{color:#fff}
.pcard.hot .pdesc,.pcard.hot .plist li{color:rgba(255,255,255,.62)}
.pcard.hot .plist li::before{color:var(--accent)}
.badge{position:absolute;top:-11px;left:24px;background:var(--accent);color:#fff;font-size:11.5px;font-weight:500;
  padding:4px 12px;border-radius:100px;letter-spacing:.3px}
.pname{font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--ink3);font-weight:600;margin-bottom:16px}
.price{font-size:38px;font-weight:600;letter-spacing:-1.8px;line-height:1;font-variant-numeric:tabular-nums}
.price small{font-size:14px;font-weight:400;letter-spacing:0;color:var(--ink3);margin-left:4px}
.pcard.hot .price small{color:rgba(255,255,255,.45)}
.pdesc{font-size:13.5px;color:var(--ink2);margin:12px 0 20px;line-height:1.55;min-height:42px}
.plist{list-style:none;font-size:13.8px;color:var(--ink2);display:flex;flex-direction:column;gap:9px;margin-bottom:24px;flex:1}
.plist li{display:flex;gap:9px;line-height:1.5}
.plist li::before{content:"—";color:var(--accent);flex:none;font-weight:500}
.pcard .btn{width:100%;padding:11px 0;font-size:14px}
.pcard.hot .btn-dark{background:var(--accent)}
.pcard.hot .btn-dark:hover{background:#FF6320}
.pnote{text-align:center;font-size:13px;color:var(--ink3);margin-top:26px}

/* ---------- nodes ---------- */
.nodes{background:var(--dark2);color:#fff;padding:96px 0}
.nodes h2.h{color:#fff}
.nodes .sub{color:rgba(255,255,255,.55)}
.ntable{margin-top:12px;border-top:1px solid rgba(255,255,255,.12)}
.nhead,.nline{display:grid;grid-template-columns:1.5fr 1.1fr .8fr .9fr .8fr;gap:16px;align-items:center;padding:17px 0;font-size:14.5px}
.nhead{font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:rgba(255,255,255,.36);
  border-bottom:1px solid rgba(255,255,255,.12);padding:14px 0}
.nline{border-bottom:1px solid rgba(255,255,255,.08)}
.nline .cty{display:flex;align-items:center;gap:11px;font-weight:500}
.nline .isp{color:rgba(255,255,255,.5);font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.nline .lat{font-variant-numeric:tabular-nums;color:rgba(255,255,255,.78)}
.nline .stock{justify-self:start;min-width:26px;text-align:center}
.iptype{font-size:12px;padding:4px 10px;border-radius:100px;background:rgba(67,214,123,.13);color:#5FE08D;justify-self:start}
.iptype.mix{background:rgba(255,255,255,.1);color:rgba(255,255,255,.65)}
.stock{font-size:11.5px;padding:3px 9px;border-radius:100px;background:rgba(67,214,123,.14);color:#5FE08D;font-variant-numeric:tabular-nums}
.stock.low{background:rgba(255,77,0,.16);color:#FF8A57}
.flag{width:18px;height:13px;border-radius:2px;flex:none}
@media(max-width:760px){
  .nhead{display:none}
  .nline{grid-template-columns:1fr auto;gap:6px 12px;padding:16px 0}
  .nline .isp{grid-column:1;font-size:12px}
  .nline .lat{grid-column:2;grid-row:1;font-size:13px}
  .nline .iptype{grid-column:2;grid-row:2;font-size:11px}
  .nline .stock{display:none}
}

/* ---------- use cases ---------- */
.ugrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:760px){.ugrid{grid-template-columns:1fr}}
.ucard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px;display:flex;gap:20px;
  transition:border-color .25s,box-shadow .25s}
.ucard:hover{border-color:#D2C9BA;box-shadow:0 14px 34px -24px rgba(20,18,16,.3)}
.unum{font-size:12px;letter-spacing:1.4px;color:var(--accent);font-weight:600;flex:none;padding-top:4px;font-variant-numeric:tabular-nums}
.ucard h3{font-size:17px;font-weight:600;letter-spacing:-.3px;margin-bottom:8px}
.ucard p{font-size:14.3px;color:var(--ink2);line-height:1.65}
.ucard code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.6px;background:rgba(20,18,16,.05);
  padding:2px 6px;border-radius:5px}

/* ---------- steps ---------- */
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:760px){.sgrid{grid-template-columns:1fr}}
.snum{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1.4px;margin-bottom:16px}
.step h3{font-size:18px;font-weight:600;letter-spacing:-.3px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink2);line-height:1.7}
.sline{height:1px;background:var(--line);margin:22px 0;position:relative}
.sline::after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- compare ---------- */
.ctable{width:100%;border-collapse:collapse;font-size:14.3px;margin-top:8px}
.ctable th,.ctable td{padding:16px 14px;text-align:left;border-bottom:1px solid var(--line)}
.ctable thead th{font-size:12.5px;letter-spacing:.6px;color:var(--ink3);font-weight:500;padding-bottom:14px}
.ctable thead th.us{color:var(--ink);font-weight:600;font-size:13.5px}
.ctable td:first-child{color:var(--ink2);width:26%}
.ctable td.us{background:rgba(255,77,0,.045);font-weight:500}
.ctable thead th.us{background:rgba(255,77,0,.045);border-radius:10px 10px 0 0}
.ctable tbody tr:last-child td.us{border-radius:0 0 10px 10px}
.yes{color:#2E9E5B;font-weight:600}
.no{color:#C4BCB0}
.ctable-wrap{overflow-x:auto}
@media(max-width:700px){.ctable{font-size:13px;min-width:640px}}

/* ---------- faq ---------- */
.faqlist{border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line)}
.qq{width:100%;background:none;border:0;text-align:left;display:flex;justify-content:space-between;align-items:center;
  gap:20px;padding:22px 0;cursor:pointer;font-size:16px;font-weight:500;color:var(--ink);letter-spacing:-.2px}
.qq:hover{color:var(--accent)}
.plus{width:20px;height:20px;flex:none;position:relative;transition:transform .3s}
.plus::before,.plus::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:opacity .3s}
.plus::before{left:0;top:9px;width:20px;height:1.6px}
.plus::after{left:9px;top:0;width:1.6px;height:20px}
.qa.open .plus{transform:rotate(90deg)}
.qa.open .plus::after{opacity:0}
.qa.open .qq{color:var(--accent)}
.ans{max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.4,0,.2,1)}
.ans p{padding:0 46px 24px 0;font-size:14.8px;color:var(--ink2);line-height:1.75}
.ans code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.8px;background:rgba(20,18,16,.05);
  padding:2px 6px;border-radius:5px}

/* ---------- cta ---------- */
.cta{background:var(--dark2);color:#fff;padding:100px 0;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:auto 0 -50% 0;height:70%;
  background:radial-gradient(ellipse at 50% 100%,rgba(255,77,0,.28),transparent 62%);pointer-events:none}
.cta h2{color:#fff;max-width:720px;margin:0 auto 18px;position:relative;font-size:clamp(28px,3.6vw,44px);
  letter-spacing:-1.5px;line-height:1.2;font-weight:600}
.cta p{color:rgba(255,255,255,.55);max-width:520px;margin:0 auto 36px;font-size:16.5px;position:relative}
.ctabtns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}
.cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.2)}
.cta .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.36)}

/* ---------- footer ---------- */
footer{background:#080807;color:rgba(255,255,255,.55);padding:64px 0 34px;font-size:14px}
.fgrid2{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px;margin-bottom:52px}
@media(max-width:800px){.fgrid2{grid-template-columns:1fr 1fr;gap:34px}}
.fbrand{color:#fff;font-weight:600;font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.fbrand .mark{width:24px;height:24px;border-radius:7px;background:rgba(255,255,255,.12);display:grid;place-items:center}
.fdesc{font-size:13.5px;line-height:1.7;max-width:280px}
.fcol h4{font-size:12.5px;letter-spacing:1.4px;text-transform:uppercase;color:rgba(255,255,255,.38);font-weight:500;margin-bottom:16px}
.fcol a{display:block;font-size:14px;padding:6px 0;transition:color .2s}
.fcol a:hover{color:#fff}
.fbot{border-top:1px solid rgba(255,255,255,.1);padding-top:26px;display:flex;justify-content:space-between;
  gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.32)}

/* ---------- 微信二维码 ---------- */
.fwx{display:flex;flex-direction:column;align-items:flex-start}
.wxqr{width:104px;height:104px;padding:6px;border-radius:12px;background:#fff;display:block;cursor:zoom-in;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s;margin-bottom:10px}
.wxqr:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 10px 26px rgba(0,0,0,.35)}
.wxnote{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.5);margin:0 0 6px}
.wxnote b{color:#fff;font-weight:500}
.wxzoom{position:fixed;inset:0;z-index:9999;background:rgba(12,11,10,.88);backdrop-filter:blur(6px);
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;cursor:zoom-out}
.wxzoom.on{display:flex}
.wxzoom img{width:min(74vw,400px);height:auto;border-radius:16px;background:#fff;padding:14px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);animation:wzin .24s cubic-bezier(.2,.7,.3,1)}
@keyframes wzin{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.wxzoom-tip{font-size:13.5px;color:rgba(255,255,255,.8)}
.wxzoom-x{position:absolute;top:22px;right:28px;font-size:26px;color:rgba(255,255,255,.7);font-weight:300;font-style:normal}
/* 正文里的二维码卡片（FAQ / 客户中心） */
.wxbox{display:flex;align-items:center;gap:20px;justify-content:center;flex-wrap:wrap;
  background:#fff;border:1px solid #E7E1D8;border-radius:18px;padding:20px 24px;max-width:520px;margin:0 auto}
.wxbox img{width:132px;height:132px;border-radius:12px;cursor:zoom-in;background:#fff;display:block}
.wxbox .wxtx{font-size:13.5px;line-height:1.8;color:#5F5A53;text-align:left}
.wxbox .wxtx b{display:block;color:#141210;font-size:15px;margin-bottom:4px;font-weight:600}
.wxbox .wxtx a{color:#141210;border-bottom:1px solid #CFC7BA}
@media(max-width:600px){.wxbox{flex-direction:column;text-align:center;padding:18px}.wxbox .wxtx{text-align:center}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .macstage img.mac,.macstage .base{animation:none}
  .curtain{display:none}
  .risein{animation:none}
}