/* Source-faithful interaction pass: quickstart, production metrics, route graph and finale. */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
#quickstart{background-image:radial-gradient(rgba(20,17,15,.042) .75px,transparent .75px);background-size:22px 22px}
#quickstart .head{max-width:650px;margin-bottom:44px}#quickstart .head p{font-size:18px;color:#403c38}
#quickstart .quick{grid-template-columns:430px minmax(0,1fr);border:0;min-height:496px;gap:42px;align-items:start}
#quickstart .aside{border:0;padding:7px 0}#quickstart .aside>p{font-size:16px;line-height:1.8;margin:0 0 42px}
#quickstart .option{position:relative;display:grid;grid-template-columns:48px 1fr 22px;grid-template-rows:auto auto;column-gap:16px;align-items:center;min-height:92px;margin:0 0 14px;padding:17px 18px;border-color:rgba(20,17,15,.12);background:rgba(255,255,255,.62);transition:background .25s,border-color .25s,transform .3s cubic-bezier(.22,1,.36,1)}
#quickstart .option:hover{background:#fff;border-color:rgba(20,17,15,.26);transform:translateX(4px)}#quickstart .option .option-icon{grid-row:1/3;display:grid;place-items:center;width:44px;height:44px;background:#f4f3ef;font-size:21px;color:#5e5a55}#quickstart .option b{font-size:16px;font-weight:650}#quickstart .option span:not(.option-icon){font-size:13px;line-height:1.45;color:#999}#quickstart .option>i{grid-column:3;grid-row:1/3;font-style:normal;color:#aaa;font-size:18px}
.qsx-main{min-width:0;border:1px solid rgba(20,17,15,.14);background:rgba(255,255,255,.42);overflow:hidden}.qsx-main>.tabs{height:48px;padding:0 18px;gap:2px;background:rgba(255,255,255,.34)}.qsx-main>.tabs button{padding:0 14px;font-size:15px;position:relative}.qsx-main>.tabs button.active{font-weight:650;box-shadow:inset 0 -1px #d44b2b}.qs-panels{position:relative;min-height:446px}.qs-panel{display:none;min-height:446px}.qs-panel.active{display:block}.qs-panel .langs{height:46px;padding:0 14px}.qs-panel .langs button{padding:0 13px}.qs-panel .codehead{height:46px;padding:0 18px;align-items:center;background:#f4f2ed}.traffic{display:flex;gap:6px;margin-right:auto}.traffic i{width:8px;height:8px;border-radius:50%;background:#d7d3ce}.traffic i:first-child{background:#e8735a}.traffic i:nth-child(2){background:#e5b047}.traffic i:nth-child(3){background:#73b682}.qs-panel #filename{margin:auto}.qs-panel pre{min-height:353px;max-height:353px;padding:25px 28px;background:rgba(255,255,255,.86);font-size:13px;line-height:1.75}
.qs-client{grid-template-columns:1fr 1.02fr;background:#fafafa;min-height:446px}.qs-client.active{display:grid}.qs-client-copy{padding:64px 34px 38px}.qs-client-copy .eyebrow{font-size:10px}.qs-client h3{font-size:25px;line-height:1.22;letter-spacing:-.025em;margin:18px 0}.qs-client p{color:#8c8883;line-height:1.7;margin:0 0 28px}.qs-client img{width:100%;height:100%;min-height:446px;object-fit:cover;object-position:center;background:#eee}.qs-client .btn{min-height:46px;font-size:14px}
.qs-cli{padding:22px}.qs-cli.active{display:block}.qs-subtabs,.qs-os{display:flex;gap:7px;flex-wrap:wrap}.qs-subtabs button,.qs-os button{border:1px solid rgba(20,17,15,.13);padding:9px 13px;cursor:pointer;background:#fff}.qs-subtabs button.active,.qs-os button.active{background:#181615;color:#fff;border-color:#181615}.qs-os{margin:16px 0}.qs-os button{font-size:12px}.qs-terminal{border:1px solid rgba(20,17,15,.14);background:#191919;color:#ddd}.terminal-head{height:39px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid #363636;font:11px var(--mono);color:#aaa}.terminal-head button{color:#ddd;cursor:pointer}.qs-terminal pre{min-height:258px;max-height:258px;background:#191919;color:#e8e5df;padding:21px;font-size:12px}
.qs-other{padding:42px 34px}.qs-other.active{display:grid;gap:12px;align-content:start}.qs-other>a{display:grid;grid-template-columns:44px 1fr auto;gap:15px;align-items:center;padding:18px;border:1px solid rgba(20,17,15,.12);background:#fff;transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .2s}.qs-other>a:hover{transform:translateX(5px);border-color:rgba(20,17,15,.3)}.qs-other img{width:36px;height:36px;object-fit:contain}.qs-other span{display:grid}.qs-other small{color:#999;margin-top:3px}.qs-other i{font-style:normal;color:#aaa}
#features .head{margin-bottom:42px}#features .head p{font-size:17px;color:#55514d}.metrics{gap:16px}.metric{position:relative;isolation:isolate;overflow:hidden;min-height:248px;padding:22px 24px 20px;border-color:rgba(20,17,15,.1);background:#fff}.metric:before,.metric:after{content:"";position:absolute;inset:0;z-index:-2;background-position:center;background-size:cover}.metric-price:before{background-image:url("metric-bg-1.webp")}.metric-latency:before{background-image:url("metric-bg-2.webp")}.metric-uptime:before{background-image:url("metric-bg-3.webp")}.metric:after{z-index:-1;background:linear-gradient(rgba(255,254,251,.18),rgba(255,254,251,.66) 58%,rgba(255,254,251,.86))}.metric .eyebrow{display:flex;align-items:center;gap:8px}.metric .eyebrow:before{content:"";width:6px;height:6px;background:#9e9993}.metric .big{font-size:60px;margin:29px 0 18px;letter-spacing:-.05em}.metric p{position:relative;z-index:2;margin:0;color:#716d68;font-size:14px;line-height:1.7}.metric-ico{position:absolute;z-index:1;right:7px;top:50%;width:154px;height:154px;display:grid;place-items:center;opacity:0;filter:blur(7px);transform:translate(26px,-32%) scale(.86) rotate(4deg);pointer-events:none}.metric-ico img{width:100%;height:100%;object-fit:contain}.metric:hover{border-color:rgba(20,17,15,.2)}
.route-section{padding-top:64px}.routebox{display:block;border:0;background:transparent}.routecopy{display:none}.routedemo{padding:0;border:1px solid rgba(20,17,15,.1);background:rgba(255,255,255,.45)}.routetabs{height:55px;padding:9px 22px;gap:6px;border-bottom:1px solid rgba(20,17,15,.08)}.routetabs button{display:flex;align-items:center;gap:7px;border:0;padding:0 12px;color:#85817c;border-radius:3px}.routetabs button.active{background:#ecebea;color:#191715}.routetabs button span{font-size:16px}.rdg-canvas-local{position:relative;height:627px;overflow:hidden;background-image:radial-gradient(rgba(20,17,15,.09) 1px,transparent 1px);background-size:26px 26px}.rdg-app{position:absolute;left:50%;top:38px;transform:translateX(-50%);width:340px;height:318px;padding:20px;border:1px solid #e3e2df;border-radius:18px;background:rgba(251,251,251,.73);opacity:.63;color:#d7d6d4}.rdg-app>i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;background:#dededc}.rdg-app>strong{display:block;font-size:28px;margin:21px 0}.rdg-app>span{display:block;height:12px;border-radius:8px;background:#e5e5e3;margin-bottom:10px;width:82%}.rdg-app>span:nth-of-type(2){width:58%}.rdg-app>b{display:block;height:58px;border-radius:10px;background:#dededc;margin:17px 0}.rdg-stem{position:absolute;left:50%;top:348px;width:1px;height:38px;background:#3e3a36}.rdg-question{position:absolute;z-index:3;left:50%;top:386px;transform:translateX(-50%);padding:12px 21px;background:#fafafa;border:1px solid #deddd9;border-radius:5px;white-space:nowrap;font-size:14px}.rdg-fan{position:absolute;left:50%;top:430px;transform:translateX(-50%);width:360px;height:105px;overflow:visible}.rdg-path{fill:none;stroke-width:1.35}.rdg-path-live{stroke:#151311}.rdg-path-dim{stroke:#aaa8a4;stroke-dasharray:5 7}.rdg-streak{fill:none;stroke:#e55a31;stroke-width:2.2;stroke-linecap:round;stroke-dasharray:16 360}.rdg-choice{position:absolute;bottom:33px;width:255px;min-height:77px;padding:18px 15px 15px;display:grid;grid-template-columns:33px 1fr auto;align-items:center;gap:10px;background:rgba(255,255,255,.92);border:1px solid rgba(20,17,15,.16);border-radius:10px}.rdg-choice-live{left:calc(50% - 266px);border-color:#1b1917}.rdg-choice-dim{right:calc(50% - 266px);opacity:.42}.rdg-tag{position:absolute;left:13px;top:-28px;padding:4px 9px;background:#181615;color:#fff;border-radius:3px;font-size:11px}.rdg-choice-dim .rdg-tag{background:#efefed;color:#777}.rdg-provider-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff1eb;color:#e45e36;font-weight:800}.rdg-choice>div:nth-of-type(2){min-width:0}.rdg-model{display:block;font-size:14px;white-space:nowrap}.rdg-provider{display:block;color:#898580;font:11px var(--mono);white-space:nowrap;margin-top:4px}.rdg-result{padding:6px 8px;border-radius:4px;background:#e9f7ef;color:#238154;font-size:12px;white-space:nowrap}.rdg-choice-dim .rdg-result{background:#f1f0ee;color:#777}.rdg-choice em{position:absolute;left:0;right:0;bottom:-24px;text-align:center;color:#999;font-style:normal;font-size:11px}
.footer{overflow:hidden}.finale-dither{height:85px;margin-top:72px;background-image:radial-gradient(circle,#efa071 1.5px,transparent 1.7px),radial-gradient(circle,#7f9ce6 1.4px,transparent 1.6px);background-position:0 0,7px 5px;background-size:12px 10px;mask-image:linear-gradient(transparent,#000 48%,transparent)}.end.finale-band-local{position:relative;height:440px;margin-top:-3px;background:#03060f;overflow:hidden}.finale-band-local canvas{position:absolute;inset:0;width:100%;height:100%;margin:0}.finale-copy{position:relative;z-index:2;display:grid;place-items:center;text-shadow:0 2px 22px #000}.finale-copy .eyebrow{padding:7px 14px;border:1px solid rgba(255,240,220,.22);background:rgba(255,251,244,.08);color:#eee;font-size:10px}.finale-copy h2{margin:20px 0 0;font-size:clamp(34px,4vw,54px);letter-spacing:-.02em;color:#fff}
@media(max-width:900px){#quickstart .quick{grid-template-columns:1fr;gap:24px}#quickstart .aside{padding:0}#quickstart .aside>p{margin-bottom:22px}.qsx-main>.tabs{padding:0 7px}.qsx-main>.tabs button{padding:0 10px;font-size:13px}.qs-client.active{grid-template-columns:1fr}.qs-client-copy{padding:36px 24px}.qs-client img{min-height:250px;max-height:300px}.metrics{grid-template-columns:1fr}.metric{min-height:230px}.routedemo{padding:0}.routetabs{padding-inline:12px}.rdg-canvas-local{height:560px}.rdg-app{width:270px;height:260px;top:31px}.rdg-stem{top:291px}.rdg-question{top:328px}.rdg-fan{top:372px;width:290px}.rdg-choice{bottom:39px;width:44%;padding:14px 10px;grid-template-columns:1fr;text-align:center}.rdg-choice-live{left:4%}.rdg-choice-dim{right:4%}.rdg-provider-icon{display:none}.rdg-provider{white-space:normal}.rdg-result{justify-self:center}.finale-dither{height:60px}.end.finale-band-local{height:420px}.finale-copy h2{padding:0 18px;font-size:32px}}
@media(max-width:520px){#quickstart .head p br{display:none}.qsx-main>.tabs{height:auto;min-height:48px}.qsx-main>.tabs button{font-size:12px;padding:12px 8px}.qs-panel .langs{overflow:auto}.qs-client h3{font-size:23px}.qs-other{padding:28px 18px}.rdg-choice{font-size:11px}.rdg-model{font-size:12px}.rdg-result{font-size:10px}.finale-copy h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){.metric-ico{opacity:.45;filter:none;transform:translate(10px,-42%) scale(.9)}.rdg-streak{display:none}}
#quickstart .option .option-icon{font-size:0}#quickstart .option .option-icon img{width:22px;height:22px}.routetabs button>img{width:17px;height:17px}.routetabs button>span{font-size:inherit}.rdg-provider-icon{color:inherit}.rdg-provider-icon img{width:22px;height:22px;object-fit:contain}
.buy{position:relative;isolation:isolate;background-image:url("buy-art-bg-clean.png")}.buy:before{content:"";position:absolute;z-index:0;left:50%;top:37%;width:142px;height:142px;transform:translate(-50%,-50%);background:url("logo-suxin.png") center/contain no-repeat;opacity:.17;pointer-events:none}.buy>div{position:relative;z-index:1}
.finale-copy{position:relative}.finale-copy:before{content:"";position:absolute;left:50%;top:-88px;width:122px;height:122px;transform:translateX(-50%);background:url("logo-suxin-white.png") center/contain no-repeat;opacity:.22;pointer-events:none}.finale-copy .eyebrow,.finale-copy h2{position:relative;z-index:1}
@media(max-width:900px){.buy{background-image:url("buy-art-mobile-clean.png")}.buy:before{top:35%;width:112px;height:112px}.finale-copy:before{top:-72px;width:98px;height:98px}}

/* Source-faithful pay-as-you-go hook. */
.pay.pay-hook{
  position:relative;isolation:isolate;overflow:hidden;min-height:380px;
  display:flex;align-items:center;justify-content:center;
  padding:clamp(36px,5.5vh,60px) 24px;text-align:center;
  scroll-margin-top:76px;border:0;background:url("buy-hook-bg.jpg") center/cover no-repeat
}
.pay-inner{position:relative;width:min(100%,760px);margin:0 auto}
.pay.pay-hook h2{
  margin:0;font-size:clamp(28px,3.6vw,42px);font-weight:700;
  line-height:1.14;letter-spacing:-.02em;color:#14110f
}
.pay.pay-hook h2>span{display:inline-block}
.pay.pay-hook h2 .grad{
  margin-left:.18em;background:linear-gradient(105deg,#148bff 0%,#4ddfff 34%,#d8f4f4 53%,#f5d1ca 72%,#ff8f79 100%);
  background-size:240% 160%;background-position:0 50%;-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;animation:payAgentFlow 6.5s ease-in-out infinite alternate
}
.pay.pay-hook p{max-width:600px;margin:18px auto 0;color:rgba(20,17,15,.68);font-size:clamp(16px,1.5vw,18px);font-weight:500;line-height:1.55;text-wrap:pretty}
.paybuttons{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin:29px 0 0}
.paybuttons .btn{transform:none;border-radius:0;font-size:19px;font-weight:500;line-height:1;white-space:nowrap}
.paybuttons .btn:hover{transform:none}
.pay-primary{
  position:relative;isolation:isolate;overflow:hidden;height:52px;min-height:52px;
  padding:0 26px 0 66px;background:#222;color:#fffefb;border:1px solid #222;
  transition:color .3s ease,padding .34s cubic-bezier(.22,1,.36,1)
}
.pay-fill{position:absolute;z-index:-1;inset:2px;background:#fffefb;transform:scaleX(0);transform-origin:left center;transition:transform .34s cubic-bezier(.22,1,.36,1)}
.pay-knob{
  position:absolute;left:2px;top:2px;bottom:2px;width:48px;display:inline-flex;align-items:center;justify-content:center;
  overflow:hidden;background:#fffefb;color:#222;font-family:Arial,sans-serif;font-size:27px;font-weight:400;line-height:1;
  transition:left .34s cubic-bezier(.22,1,.36,1),background .3s ease
}
.pay-knob img{width:22px;height:22px;display:block}
.pay-label{position:relative;z-index:1}
.pay-primary:hover,.pay-primary:focus-visible{color:#222;padding:0 66px 0 26px;opacity:1}
.pay-primary:hover .pay-fill,.pay-primary:focus-visible .pay-fill{transform:scaleX(1)}
.pay-primary:hover .pay-knob,.pay-primary:focus-visible .pay-knob{left:calc(100% - 50px);background:transparent}
.pay-primary:hover .pay-knob,.pay-primary:focus-visible .pay-knob{animation:payKnobDash .68s cubic-bezier(.5,0,.3,1) infinite}
.pay-ghost{height:52px;min-height:52px;padding:0 24px;background:transparent;color:#14110f;border:1px solid #222;transition:background .15s ease,opacity .15s ease}
.pay-ghost:hover,.pay-ghost:focus-visible{background:rgba(34,34,34,.06)}
.pay.pay-hook small{display:block;margin-top:15px;color:rgba(20,17,15,.54);font:12.5px/1.5 var(--mono);letter-spacing:.05em}
@keyframes payAgentFlow{to{background-position:100% 50%}}
@keyframes payKnobDash{0%{transform:translateX(0);opacity:1}45%{transform:translateX(7px);opacity:.55}70%{transform:translateX(-2px);opacity:1}to{transform:translateX(0);opacity:1}}
@media(max-width:640px){
  .pay.pay-hook{min-height:320px;padding:36px 18px}
  .pay.pay-hook h2{font-size:28px}.pay.pay-hook p{font-size:15px}
  .paybuttons{gap:10px}.paybuttons .btn{font-size:15.5px;height:48px;min-height:48px;padding:0 18px}
  .pay-primary .pay-knob,.pay-primary .pay-fill{display:none}.pay-primary:hover,.pay-primary:focus-visible{padding:0 18px;color:#fffefb;opacity:.88}
  .pay.pay-hook small{font-size:11px;line-height:1.7}
}

/* Exact fixed reveal and WebGL finale structure from the measured source. */
main,.footer{position:relative;z-index:1;background:var(--paper)}
.footer{overflow:visible}
.finale-dither{
  width:calc(100% + 24px);height:clamp(72px,11vh,132px);margin-top:clamp(28px,5vh,56px);
  pointer-events:none;background:linear-gradient(90deg,#f3a25c,#fb7d3a 50%,#6d92dd);
  -webkit-mask-image:url("dither-fade.svg");mask-image:url("dither-fade.svg");
  -webkit-mask-repeat:repeat-x;mask-repeat:repeat-x;-webkit-mask-position:bottom left;mask-position:bottom left;
  -webkit-mask-size:24px 100%;mask-size:24px 100%
}
.end.brand-finale{--finale-h:clamp(360px,52vh,620px);position:relative;z-index:0;display:block;height:var(--finale-h);margin:0;background:transparent;overflow:visible}
.finale-band-local{
  position:fixed;left:0;right:0;bottom:0;z-index:0;width:100%;height:var(--finale-h);margin:0;overflow:hidden;
  background:radial-gradient(120% 90% at 50% 55%,#17100a 0,#070504 70%)
}
.finale-band-local .dim-gl{position:absolute;inset:0;z-index:1;width:100%;height:100%;display:block;margin:0}
.finale-band-local .dim-tx{
  position:relative;z-index:3;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:0 4%;text-align:center;pointer-events:none;text-shadow:none
}
.finale-copy .dim-kick,.finale-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:auto;padding:5px 12px;border:1px solid rgba(255,240,220,.22);
  border-radius:0;background:rgba(255,251,244,.08);color:rgba(255,244,226,.72);
  font:500 10px/15px var(--mono);letter-spacing:.14em;text-transform:uppercase
}
.finale-copy .dim-title,.finale-copy h2{
  margin:0;padding:0;color:#fffaf2;font-size:clamp(24px,3.6vw,42px);font-weight:700;line-height:1.5;
  letter-spacing:-.01em;text-shadow:0 2px 30px rgba(0,0,0,.55)
}
.finale-copy:before{left:50%;top:50%;width:108px;height:108px;transform:translate(-50%,-72%);opacity:.1;z-index:0}
.finale-copy .dim-kick,.finale-copy .dim-title{position:relative;z-index:1}
.finale-band-local.no-gl .dim-gl{display:none}
@media(max-width:760px){
  .end.brand-finale,.finale-band-local{--finale-h:clamp(220px,34vh,340px)}
  .finale-dither{height:64px;margin-top:16px}
  .finale-band-local .dim-tx{gap:16px;padding-inline:20px}
  .finale-copy .dim-title,.finale-copy h2{font-size:24px;line-height:1.5;white-space:nowrap}
  .finale-copy:before{width:82px;height:82px;transform:translate(-50%,-68%);opacity:.09}
}
@media(max-width:380px){.finale-copy .dim-title,.finale-copy h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){
  .pay.pay-hook h2 .grad{animation:none}.pay-primary,.pay-fill,.pay-knob{transition:none!important}.pay-primary:hover .pay-knob{animation:none}
}