:root{--cold:#38BDF8;--hot:#F97316;--mid:#A78BFA;--ink:#0F172A;--soft:#475569;--mute:#64748B;--line:#E2E8F0;
--thermo:linear-gradient(90deg,#38BDF8,#818CF8 35%,#F472B6 65%,#F97316);
--thermo-v:linear-gradient(0deg,#38BDF8,#818CF8 35%,#F472B6 65%,#F97316);
--font-cn:"PingFang SC","苹方","Microsoft YaHei",sans-serif;--font-en:"Barlow","Barlow Semi Condensed","Segoe UI",Arial,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:var(--font-cn);color:var(--ink);line-height:1.8;background:
linear-gradient(180deg,rgba(56,189,248,.14) 0,rgba(255,255,255,0) 380px),
linear-gradient(0deg,rgba(249,115,22,.1) 0,rgba(255,255,255,0) 420px),
repeating-linear-gradient(90deg,rgba(15,23,42,.025) 0 1px,transparent 1px 60px),#F8FAFC}
a{color:inherit;text-decoration:none;transition:.25s}img{display:block;max-width:100%;height:auto}
.w{max-width:1180px;margin:0 auto;padding:0 22px}
.en{font-family:var(--font-en);font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.tt{background:var(--thermo);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:10px;font-weight:800}
.btn.c{background:var(--cold);color:#fff}.btn.h{background:var(--hot);color:#fff}
.btn.t{background:var(--thermo);color:#fff}.btn.o{box-shadow:inset 0 0 0 2px var(--ink);color:var(--ink)}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}

/* 温度刻度导航 */
.thermo-nav{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.96);}
.thermo-nav .w{display:flex;align-items:center;gap:22px;height:74px}
.thermo-nav .logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;flex:none}
.thermo-nav .logo img{width:38px;height:38px;border-radius:10px}
.scale{flex:1;display:grid;grid-template-columns:repeat(7,1fr);position:relative;padding-bottom:10px}
.scale:after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;border-radius:6px;background:var(--thermo)}
.scale a{text-align:center;font-size:14px;color:var(--soft);position:relative;padding:4px 0}
.scale a:before{content:"";position:absolute;left:50%;bottom:-8px;width:2px;height:8px;background:var(--ink);opacity:.25}
.scale a:hover,.scale a.on{color:var(--ink);font-weight:800}
.scale a.on:before{width:12px;height:12px;border-radius:50%;left:calc(50% - 6px);bottom:-13px;background:#fff;border:3px solid var(--ink);opacity:1}
.thermo-nav .free{flex:none}

/* 首屏：登录控制台 */
.console{padding:54px 0 30px;text-align:center}
.console .en{color:var(--cold);font-size:13px}
.console h1{font-size:56px;line-height:1.15;margin:10px 0 14px}
.console .lead{max-width:760px;margin:0 auto;color:var(--soft);font-size:17px}
.deck{display:grid;grid-template-columns:360px 1fr;gap:24px;margin-top:34px;text-align:left}
.ways{display:flex;flex-direction:column;gap:12px}
.way{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:center;background:#fff;border-radius:16px;padding:16px;box-shadow:0 6px 18px rgba(15,23,42,.06);border-left:6px solid var(--cold)}
.way:nth-child(2){border-left-color:var(--mid)}.way:nth-child(3){border-left-color:var(--hot)}
.way i{font-style:normal;font-size:26px;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:#F1F5F9}
.way b{display:block}.way span{font-size:13px;color:var(--mute)}
.qrbox{background:#fff;border-radius:16px;padding:18px;display:flex;gap:16px;align-items:center;box-shadow:0 6px 18px rgba(15,23,42,.06)}
.qr{flex:none;width:110px;height:110px;border-radius:12px;background:conic-gradient(var(--ink) 25%,#fff 0 50%,var(--ink) 0 75%,#fff 0) 0 0/22px 22px;border:6px solid #fff;box-shadow:0 0 0 3px var(--cold)}
.qrbox p{font-size:13px;color:var(--soft)}
.screen{position:relative;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 18px 44px rgba(15,23,42,.12)}
.screen img{width:100%}
.screen .bar{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.92);border-radius:12px;padding:12px 16px}
.screen .bar small{display:flex;justify-content:space-between;font-size:13px;color:var(--soft)}
.meter{height:10px;border-radius:10px;background:#E2E8F0;overflow:hidden;margin-top:6px}
.meter i{display:block;height:100%;background:var(--thermo);border-radius:10px}

/* 数据：竖式温度计 */
.gauges{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:30px 0}
.gauge{display:grid;grid-template-columns:34px 1fr;gap:16px;align-items:end;background:#fff;border-radius:18px;padding:20px;box-shadow:0 6px 18px rgba(15,23,42,.06)}
.tube{height:120px;width:18px;margin:0 auto;border-radius:12px;background:#E2E8F0;position:relative;overflow:hidden}
.tube i{position:absolute;left:0;right:0;bottom:0;background:var(--thermo-v);border-radius:12px}
.gauge b{display:block;font-family:var(--font-en);font-size:34px;line-height:1.1}
.gauge span{color:var(--mute);font-size:14px}

/* 功能：额度行 */
.sec{padding:60px 0}
.head{margin-bottom:26px}.head .en{font-size:13px;color:var(--hot)}
.head h2{font-size:34px;line-height:1.3}.head p{color:var(--soft);max-width:640px}
.quota-list{background:#fff;border-radius:22px;box-shadow:0 8px 24px rgba(15,23,42,.06);overflow:hidden}
.q{display:grid;grid-template-columns:64px 190px 1fr 220px;gap:18px;align-items:center;padding:20px 26px;border-bottom:1px solid var(--line)}
.q:last-child{border-bottom:none}
.q:hover{background:#F8FAFC}
.q .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:28px;background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(249,115,22,.18))}
.q h3{font-size:19px}.q p{color:var(--soft);font-size:15px}
.q small{display:flex;justify-content:space-between;font-size:12px;color:var(--mute)}

/* 行业：独占式折叠 */
.ind{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.ind>img{border-radius:22px;box-shadow:0 14px 36px rgba(15,23,42,.1)}
.ind details{background:#fff;border-radius:16px;margin-bottom:12px;box-shadow:0 6px 18px rgba(15,23,42,.06);overflow:hidden}
.ind summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:800;font-size:19px;display:flex;justify-content:space-between;align-items:center}
.ind summary::-webkit-details-marker{display:none}
.ind summary:after{content:"+";font-family:var(--font-en);font-size:24px;color:var(--cold)}
.ind details[open] summary:after{content:"−";color:var(--hot)}
.ind details[open]{box-shadow:0 0 0 2px var(--hot),0 10px 24px rgba(249,115,22,.15)}
.ind .body{padding:0 22px 20px;color:var(--soft)}
.ind .body img{border-radius:12px;margin-top:12px}

/* 价格：额度卡 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plan{background:#fff;border-radius:22px;padding:26px;box-shadow:0 8px 24px rgba(15,23,42,.06);border-top:8px solid var(--cold)}
.plan.m{border-top-color:var(--mid)}.plan.h{border-top-color:var(--hot)}
.plan h3{font-size:22px}.plan .pr{font-family:var(--font-en);font-size:30px;font-weight:800;margin:4px 0 14px}
.plan .it{margin-bottom:12px}.plan .it small{display:flex;justify-content:space-between;font-size:13px;color:var(--soft)}
.plan .btn{width:100%;margin-top:10px}

/* 预警条 */
.alert{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:#fff;border-radius:22px;padding:22px 26px;box-shadow:0 8px 24px rgba(15,23,42,.06);position:relative;overflow:hidden}
.alert:before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--thermo-v)}
.alert img{width:220px;border-radius:14px}
.alert h2{font-size:24px}.alert p{color:var(--soft)}

/* CTA */
.cta{margin:40px 0 0;background:var(--thermo);color:#fff;padding:64px 0;text-align:center}
.cta h2{font-size:42px;line-height:1.2}.cta p{margin:10px 0 22px;opacity:.95}
.cta .acts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta .b1{background:#fff;color:var(--ink)}.cta .b2{box-shadow:inset 0 0 0 2px #fff;color:#fff}

/* 下载页 */
.dlh{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:56px 0 20px}
.dlh .en{color:var(--cold);font-size:13px}
.dlh h1{font-size:46px;line-height:1.2;margin:8px 0 14px}.dlh p{color:var(--soft)}
.prog{background:#fff;border-radius:20px;padding:22px;box-shadow:0 14px 36px rgba(15,23,42,.1)}
.prog img{border-radius:14px;margin-bottom:14px}
.prog .meter{height:14px}.prog .meter i{width:76%;animation:load 3.5s ease-in-out infinite alternate}
@keyframes load{from{width:18%}to{width:96%}}
@media(prefers-reduced-motion:reduce){.prog .meter i{animation:none}}
.prog small{display:flex;justify-content:space-between;color:var(--soft);font-size:13px;margin-top:8px}
.plat{display:flex;flex-direction:column;gap:14px}
.pr-row{display:grid;grid-template-columns:70px 1fr 200px auto;gap:18px;align-items:center;background:#fff;border-radius:18px;padding:18px 22px;box-shadow:0 6px 18px rgba(15,23,42,.06)}
.pr-row .ic{font-size:34px;text-align:center}
.pr-row h3{font-size:19px}.pr-row p{font-size:14px;color:var(--soft)}
.pr-row small{font-size:12px;color:var(--mute)}
.vsteps{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.vsteps ol{list-style:none;position:relative;padding-left:40px}
.vsteps ol:before{content:"";position:absolute;left:12px;top:8px;bottom:8px;width:8px;border-radius:8px;background:var(--thermo-v)}
.vsteps li{position:relative;padding:0 0 22px}
.vsteps li:before{content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--ink)}
.vsteps h3{font-size:18px}.vsteps p{color:var(--soft);font-size:15px}
.vsteps img{border-radius:20px}

/* 帮助页 */
.hh{padding:56px 0 20px;display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
.hh img{border-radius:22px;box-shadow:0 14px 36px rgba(15,23,42,.1)}
.hh .en{color:var(--hot);font-size:13px}
.hh h1{font-size:44px;line-height:1.2;margin:8px 0 14px}.hh p{color:var(--soft)}
.legend{display:flex;gap:16px;margin-top:16px;font-size:14px;color:var(--soft)}
.legend span:before{content:"";display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:6px;vertical-align:-1px}
.legend .c:before{background:var(--cold)}.legend .h:before{background:var(--hot)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.col{border-radius:22px;padding:22px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.col.hot{border-top:8px solid var(--hot)}.col.cold{border-top:8px solid var(--cold)}
.col h2{font-size:22px;margin-bottom:10px}
.col details{border-bottom:1px solid var(--line)}
.col summary{padding:14px 0;cursor:pointer;font-weight:700}
.col.hot summary::marker{color:var(--hot)}.col.cold summary::marker{color:var(--cold)}
.col details p{padding:0 0 14px;color:var(--soft);font-size:15px}
.guide{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gd{background:#fff;border-radius:18px;padding:20px;box-shadow:0 6px 18px rgba(15,23,42,.06);position:relative;overflow:hidden}
.gd:after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--thermo)}
.gd b{font-family:var(--font-en);font-size:30px}.gd h3{font-size:17px;margin:4px 0}.gd p{font-size:14px;color:var(--soft)}
.twin{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tw{background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.tw img{width:100%;height:210px;object-fit:cover}
.tw div{padding:22px}.tw h2{font-size:22px;margin-bottom:6px}.tw p{color:var(--soft)}

/* 页脚：左法务右链接 */
.ft{background:var(--ink);color:#CBD5E1;margin-top:0;position:relative}
.ft:before{content:"";display:block;height:6px;background:var(--thermo)}
.ft .w{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;padding:44px 22px 34px}
.ft .brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#fff;font-weight:900;font-size:19px}
.ft .brand img{width:42px;height:42px;border-radius:10px}
.ft .legal{font-size:13px;line-height:2;color:#94A3B8}
.ft .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ft h4{color:#fff;font-size:15px;margin-bottom:8px}
.ft .cols a{display:block;font-size:14px;color:#94A3B8;padding:3px 0}.ft .cols a:hover{color:var(--cold)}

@media(max-width:1000px){.scale{display:none}.thermo-nav .w{justify-content:space-between}.deck,.ind,.dlh,.vsteps,.hh,.split,.ft .w{grid-template-columns:1fr}.gauges,.guide{grid-template-columns:1fr 1fr}.q{grid-template-columns:56px 1fr}.q .m{grid-column:1/-1}.q p{grid-column:2}.plans,.twin{grid-template-columns:1fr}.pr-row{grid-template-columns:56px 1fr}.pr-row .m,.pr-row .btn{grid-column:1/-1}.alert{grid-template-columns:1fr}.alert img{width:100%}}
@media(max-width:640px){.console h1{font-size:36px}.gauges,.guide{grid-template-columns:1fr}.ft .cols{grid-template-columns:1fr 1fr}}