:root{
  --ink:#0f172a; --ink2:#33415c; --muted:#64748b; --faint:#94a3b8;
  --teal:#0dcaae; --violet:#7c6cff;
  --grad:linear-gradient(135deg,#0dcaae,#7c6cff);
  --glass:rgba(255,255,255,.55);
  --stroke:rgba(255,255,255,.75);
  --shadow:0 20px 60px rgba(50,60,120,.12);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  color:var(--ink);background:#eef1f8;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,92%);margin:0 auto}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 极光背景（毛玻璃的底色来源） ---------- */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:linear-gradient(180deg,#f2f4fb 0%,#eef1f8 100%)}
.aurora i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;animation:drift 22s ease-in-out infinite alternate}
.aurora i:nth-child(1){width:640px;height:640px;left:-160px;top:-180px;background:radial-gradient(circle,#7ef0d9,transparent 65%)}
.aurora i:nth-child(2){width:720px;height:720px;right:-200px;top:-120px;background:radial-gradient(circle,#b3a8ff,transparent 65%);animation-delay:-6s}
.aurora i:nth-child(3){width:560px;height:560px;left:28%;top:38%;background:radial-gradient(circle,#ffd6ec,transparent 65%);opacity:.4;animation-delay:-12s}
.aurora i:nth-child(4){width:600px;height:600px;right:6%;bottom:-220px;background:radial-gradient(circle,#a8e6ff,transparent 65%);opacity:.45;animation-delay:-3s}
.aurora i:nth-child(5){width:480px;height:480px;left:-120px;bottom:-100px;background:radial-gradient(circle,#c9f7c2,transparent 65%);opacity:.35;animation-delay:-9s}
@keyframes drift{to{transform:translate(60px,40px) scale(1.08)}}

/* ---------- 通用玻璃 ---------- */
.glass{
  background:var(--glass);
  backdrop-filter:blur(22px) saturate(1.5);
  -webkit-backdrop-filter:blur(22px) saturate(1.5);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9);
  border-radius:24px;
}

/* ---------- 导航 ---------- */
nav{position:fixed;top:14px;left:0;right:0;z-index:50}
.nav-in{
  width:min(1180px,94%);margin:0 auto;
  display:flex;align-items:center;gap:30px;height:62px;padding:0 14px 0 20px;
  background:rgba(255,255,255,.6);
  backdrop-filter:blur(24px) saturate(1.6);
  -webkit-backdrop-filter:blur(24px) saturate(1.6);
  border:1px solid rgba(255,255,255,.8);
  border-radius:18px;
  box-shadow:0 10px 40px rgba(50,60,120,.1),inset 0 1px 0 #fff;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:.02em}
.brand img{width:30px;height:30px;border-radius:8px}
.nav-links{display:flex;gap:24px;margin-left:8px}
.nav-links a{font-size:14px;color:var(--ink2);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:14px;font-weight:700;font-size:15px;color:#fff;background:var(--grad);border:none;cursor:pointer;transition:transform .18s var(--ease),filter .18s,box-shadow .18s;box-shadow:0 10px 26px rgba(13,202,174,.3)}
.btn:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(124,108,255,.35)}
.btn.sm{height:38px;padding:0 18px;font-size:13.5px;border-radius:11px}
.btn.line{background:rgba(255,255,255,.5);color:var(--ink);border:1px solid rgba(15,23,42,.12);box-shadow:none;backdrop-filter:blur(10px)}
.btn.line:hover{border-color:rgba(15,23,42,.25);filter:none;box-shadow:none}

/* ---------- Hero ---------- */
header{position:relative;padding:150px 0 70px}
.hero{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-size:13px;color:var(--ink2);white-space:nowrap;
  background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);
  backdrop-filter:blur(14px);box-shadow:0 6px 20px rgba(50,60,120,.08)}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal);animation:blink 2.2s infinite}
@keyframes blink{50%{opacity:.35}}
h1{font-size:54px;line-height:1.15;letter-spacing:-.015em;margin:26px 0 20px;font-weight:800}
.hero p.sub{font-size:17px;line-height:1.85;color:var(--muted);max-width:540px}
.hero p.sub b{color:var(--ink);font-weight:600}
.hero-btns{display:flex;gap:14px;margin:34px 0 16px;flex-wrap:wrap}
.hero-btns .btn{white-space:nowrap}
.hero-note{font-size:13px;color:var(--faint);white-space:nowrap}
.stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:10px;margin-top:38px}
.stat{padding:12px 18px;border-radius:16px;background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.8);backdrop-filter:blur(14px);box-shadow:0 8px 24px rgba(50,60,120,.07);white-space:nowrap}
.stat b{display:block;font-size:22px;font-weight:800;letter-spacing:-.01em}
.stat span{font-size:12px;color:var(--muted);white-space:nowrap}

/* ---------- 客户端 mockup（深色窗口，与浅色玻璃形成对比） ---------- */
.stage{position:relative}
.mock{position:relative;border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,#101a30,#0b1224);
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 40px 90px rgba(30,40,90,.35),0 4px 16px rgba(30,40,90,.2);
  transform:perspective(1500px) rotateY(-4deg) rotateX(1.5deg);
  transition:transform .6s var(--ease)}
.mock:hover{transform:perspective(1500px) rotateY(0) rotateX(0)}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid rgba(148,163,184,.14);background:rgba(255,255,255,.04)}
.dot{width:11px;height:11px;border-radius:50%}
.mock-tabs{display:flex;gap:6px;margin-left:10px}
.mtab{font-size:11.5px;padding:4px 12px;border-radius:8px;color:#8b9bb4;background:rgba(148,163,184,.1)}
.mtab.on{color:#e8eef9;background:rgba(58,240,210,.16);border:1px solid rgba(58,240,210,.35)}
.mock-title{margin-left:auto;font-size:11.5px;color:#5b6b85}
.mock-body{padding:20px 18px 14px;min-height:322px;display:flex;flex-direction:column;gap:14px;
  background:radial-gradient(500px 200px at 80% 0%,rgba(124,108,255,.1),transparent 60%)}
.msg{max-width:78%;animation:rise .7s var(--ease) both}
.msg .who{font-size:11px;color:#5b6b85;margin-bottom:5px}
.bubble{padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.6;color:#e8eef9}
.msg.in .bubble{background:rgba(255,255,255,.07);border:1px solid rgba(148,163,184,.18);border-bottom-left-radius:5px}
.trans{margin-top:6px;padding:8px 13px;border-radius:12px;border-bottom-left-radius:5px;font-size:13px;line-height:1.55;background:rgba(58,240,210,.1);border:1px solid rgba(58,240,210,.25);color:#b9f5e8;position:relative}
.trans::before{content:"译";position:absolute;top:-8px;left:10px;font-size:10px;padding:1px 7px;border-radius:6px;background:#3af0d2;color:#061016;font-weight:800}
.msg.out{align-self:flex-end;text-align:right}
.msg.out .bubble{background:linear-gradient(135deg,#3af0d2,#7c6cff);color:#061016;font-weight:600;border-bottom-right-radius:5px}
.msg.out .trans{background:rgba(124,108,255,.14);border-color:rgba(124,108,255,.32);color:#cfc8ff;text-align:left}
.msg.out .trans::before{content:"原文";background:#7c6cff;color:#fff;left:auto;right:10px}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.msg:nth-child(2){animation-delay:.25s}.msg:nth-child(3){animation-delay:.5s}
.mock-input{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid rgba(148,163,184,.14);background:rgba(255,255,255,.04)}
.lang-chip{font-size:11.5px;padding:6px 11px;border-radius:9px;border:1px solid rgba(58,240,210,.35);color:#3af0d2;white-space:nowrap;background:rgba(58,240,210,.08)}
.typing{flex:1;font-size:13px;color:#8b9bb4;background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.16);border-radius:10px;padding:9px 13px;white-space:nowrap;overflow:hidden}
.typing .caret{display:inline-block;width:2px;height:14px;background:#3af0d2;vertical-align:-2px;animation:blink 1s infinite;margin-left:1px}
.send-btn{font-size:13px;font-weight:800;color:#061016;background:linear-gradient(135deg,#3af0d2,#7c6cff);border-radius:10px;padding:9px 18px}
/* 浮动玻璃标签卡 */
.float-card{position:absolute;display:flex;align-items:center;gap:10px;padding:12px 17px;border-radius:16px;white-space:nowrap;
  background:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.85);
  backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);
  box-shadow:0 16px 44px rgba(50,60,120,.16),inset 0 1px 0 #fff;
  font-size:12.5px;animation:floaty 5.5s ease-in-out infinite;z-index:2}
.float-card b{font-size:13px}
.float-card small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.fc-icon{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:15px;flex:none;background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.9);box-shadow:0 4px 12px rgba(50,60,120,.1)}
.fc1{top:5%;left:-40px;animation-delay:.4s}
.fc2{bottom:22%;right:-32px}
.fc3{bottom:-26px;left:12%;animation-delay:1.2s}
@keyframes floaty{50%{transform:translateY(-9px)}}

/* ---------- 平台条 ---------- */
.platforms{padding:20px 0 6px}
.plat-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.plat{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:14px;white-space:nowrap;
  background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.8);
  backdrop-filter:blur(16px);box-shadow:0 8px 24px rgba(50,60,120,.07);
  font-size:13.5px;font-weight:600;color:var(--ink2);transition:all .25s var(--ease)}
.plat:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(50,60,120,.13);background:rgba(255,255,255,.7)}
.plat svg{width:18px;height:18px}
.plat-more{font-size:12.5px;color:var(--faint);white-space:nowrap}

/* ---------- 区块通用 ---------- */
section{position:relative;padding:92px 0}
.sec-head{text-align:center;max-width:780px;margin:0 auto 56px}
.sec-tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:#0a9c86;
  padding:7px 15px;border-radius:999px;margin-bottom:18px;
  background:rgba(255,255,255,.55);border:1px solid rgba(13,202,174,.3);
  backdrop-filter:blur(12px);box-shadow:0 6px 18px rgba(13,202,174,.1)}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:-.015em;line-height:1.3}
.sec-head p{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.8}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;padding:32px 26px;border-radius:24px;
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(22px) saturate(1.5);-webkit-backdrop-filter:blur(22px) saturate(1.5);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9);
  transition:transform .3s var(--ease),box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 28px 70px rgba(50,60,120,.17),inset 0 1px 0 rgba(255,255,255,.9)}
.card .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:22px;margin-bottom:20px;
  background:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.95);box-shadow:0 8px 20px rgba(50,60,120,.1)}
.card h3{font-size:18px;font-weight:700;margin-bottom:11px}
.card p{font-size:14px;color:var(--muted);line-height:1.8}
.card ul{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:9px}
.card li{font-size:13.5px;color:var(--muted);padding-left:20px;position:relative}
.card li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}

/* ---------- 双栏特色区 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev>.txt{order:2}
.split h2{font-size:32px;font-weight:800;line-height:1.35;letter-spacing:-.015em}
.split .lead{margin:18px 0 26px;color:var(--muted);font-size:15.5px;line-height:1.85}
.feat-list{display:flex;flex-direction:column;gap:16px}
.feat-list li{list-style:none;display:flex;gap:14px;align-items:flex-start}
.feat-list .fi{width:36px;height:36px;flex:none;border-radius:11px;display:grid;place-items:center;font-size:16px;
  background:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.95);box-shadow:0 6px 16px rgba(50,60,120,.09)}
.feat-list b{display:block;font-size:15px;margin-bottom:4px}
.feat-list span{font-size:13.5px;color:var(--muted);line-height:1.7}
/* 语气优化演示卡 */
.tone-demo{padding:26px}
.tone-row{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.tone-row select{flex:1;height:42px;border-radius:12px;border:1px solid rgba(15,23,42,.1);background:rgba(255,255,255,.7);color:var(--ink);font-size:13.5px;padding:0 14px;outline:none}
.tone-box{border-radius:14px;padding:16px 18px;font-size:14px;line-height:1.8}
.tone-box.before{background:rgba(255,255,255,.5);border:1px solid rgba(15,23,42,.08);color:var(--muted);margin-bottom:12px}
.tone-box.after{background:rgba(13,202,174,.09);border:1px solid rgba(13,202,174,.3);color:#0a5f52}
.tone-label{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--faint);margin-bottom:7px}
.tone-box.after .tone-label{color:#0a9c86}
.wand{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:#fff;background:var(--grad);border-radius:10px;padding:8px 15px;margin-bottom:14px;box-shadow:0 8px 20px rgba(13,202,174,.3);flex:none}
/* 指纹演示卡 */
.fp-demo{padding:12px 26px 24px}
.fp-row{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid rgba(15,23,42,.07);font-size:14px}
.fp-row:last-child{border-bottom:none}
.fp-row .k{color:var(--muted)}
.fp-row .v{font-weight:600;display:flex;align-items:center;gap:8px}
.fp-row .v i{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 8px rgba(13,202,174,.8)}
.fp-row .v.violet i{background:var(--violet);box-shadow:0 0 8px rgba(124,108,255,.8)}

/* ---------- 套餐 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:940px;margin:0 auto}
.plan{padding:36px 28px;border-radius:26px;text-align:center;position:relative;
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(22px) saturate(1.5);-webkit-backdrop-filter:blur(22px) saturate(1.5);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9);
  transition:transform .3s var(--ease),box-shadow .3s}
.plan:hover{transform:translateY(-6px);box-shadow:0 30px 70px rgba(50,60,120,.18)}
.plan.hot{background:rgba(255,255,255,.78);border-color:rgba(13,202,174,.45);box-shadow:0 30px 80px rgba(13,202,174,.18),inset 0 1px 0 #fff}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:800;color:#fff;background:var(--grad);padding:6px 17px;border-radius:999px;white-space:nowrap;box-shadow:0 8px 20px rgba(13,202,174,.35)}
.plan h3{font-size:16px;color:var(--muted);font-weight:600}
.plan .price{margin:16px 0 6px;min-height:52px;display:flex;align-items:baseline;justify-content:center;gap:6px}
.plan .price .amount{font-size:40px;font-weight:800;letter-spacing:-.02em}
.plan .price .unit{font-size:14px;color:var(--muted);font-weight:500}
.plan .price.ask .amount{font-size:24px;color:var(--muted);letter-spacing:0}
.plan .desc{font-size:13px;color:var(--faint);margin-bottom:24px}
.plan ul{list-style:none;text-align:left;margin:0 0 26px;display:flex;flex-direction:column;gap:10px}
.plan li{font-size:13.5px;color:var(--muted);padding-left:22px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.plan .btn{width:100%}

/* ---------- 下载 CTA ---------- */
.cta-final{text-align:center;padding:100px 0 90px}
.cta-box{position:relative;padding:72px 40px;overflow:hidden;border-radius:32px;
  background:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.85);
  backdrop-filter:blur(26px) saturate(1.6);-webkit-backdrop-filter:blur(26px) saturate(1.6);
  box-shadow:0 30px 90px rgba(50,60,120,.16),inset 0 1px 0 #fff}
.cta-box::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 220px at 18% 0%,rgba(13,202,174,.14),transparent 60%),
             radial-gradient(500px 220px at 85% 100%,rgba(124,108,255,.15),transparent 60%)}
.cta-box h2{font-size:38px;font-weight:800;letter-spacing:-.015em;position:relative}
.cta-box p{margin:18px auto 32px;color:var(--muted);font-size:15.5px;max-width:620px;line-height:1.8;position:relative}
.cta-box .btn{position:relative}
.cta-box .fine{margin:18px auto 0;font-size:13px;color:var(--faint);max-width:none}

/* ---------- 页脚 ---------- */
footer{padding:0 0 34px}
.foot{display:flex;align-items:center;gap:26px;font-size:13.5px;color:var(--muted);
  padding:20px 26px;border-radius:20px;
  background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.8);
  backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(50,60,120,.08)}
.foot .brand{font-size:15px;color:var(--ink)}
.foot a:hover{color:var(--ink)}
.foot .right{margin-left:auto;color:var(--faint)}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 右下角悬浮：客服 + 返回顶部 ---------- */
.fabs{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;flex-direction:column;align-items:center;gap:12px}
.fab{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;cursor:pointer;border:1px solid rgba(255,255,255,.85);
  background:rgba(255,255,255,.62);backdrop-filter:blur(20px) saturate(1.6);-webkit-backdrop-filter:blur(20px) saturate(1.6);
  box-shadow:0 14px 38px rgba(50,60,120,.2),inset 0 1px 0 #fff;color:var(--ink2);
  transition:transform .25s var(--ease),box-shadow .25s,opacity .3s}
.fab:hover{transform:translateY(-3px);box-shadow:0 20px 46px rgba(50,60,120,.28)}
.fab svg{width:23px;height:23px}
.fab.cs{color:#fff;background:var(--grad);border:none;box-shadow:0 14px 38px rgba(13,202,174,.4)}
.fab.cs:hover{box-shadow:0 20px 48px rgba(124,108,255,.45)}
.fab.top{opacity:0;pointer-events:none;transform:translateY(8px)}
.fab.top.show{opacity:1;pointer-events:auto;transform:none}
/* 客服选择卡 */
.cs-panel{position:fixed;right:22px;bottom:86px;z-index:61;width:min(330px,calc(100vw - 44px));border-radius:22px;overflow:hidden;
  background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.9);
  backdrop-filter:blur(26px) saturate(1.6);-webkit-backdrop-filter:blur(26px) saturate(1.6);
  box-shadow:0 30px 80px rgba(50,60,120,.28),inset 0 1px 0 #fff;
  opacity:0;transform:translateY(14px) scale(.97);pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.cs-panel.open{opacity:1;transform:none;pointer-events:auto}
.cs-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 12px}
.cs-head b{font-size:15.5px}
.cs-close{width:30px;height:30px;border-radius:9px;border:none;background:rgba(15,23,42,.06);color:var(--muted);cursor:pointer;font-size:15px;display:grid;place-items:center;transition:background .2s}
.cs-close:hover{background:rgba(15,23,42,.12)}
.cs-lead{padding:0 18px 12px;font-size:12.5px;color:var(--muted);line-height:1.6}
.cs-opts{display:flex;flex-direction:column;gap:10px;padding:0 14px 16px}
.cs-opt{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:15px;border:1px solid rgba(15,23,42,.09);background:rgba(255,255,255,.6);cursor:pointer;text-align:left;transition:all .22s var(--ease);width:100%}
.cs-opt:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(50,60,120,.14);border-color:rgba(13,202,174,.4)}
.cs-opt.main{background:linear-gradient(135deg,rgba(13,202,174,.12),rgba(124,108,255,.12));border-color:rgba(13,202,174,.35)}
.cs-opt .oi{width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;font-size:17px;background:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.95);box-shadow:0 5px 14px rgba(50,60,120,.1)}
.cs-opt b{display:block;font-size:14px}
.cs-opt small{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}
.cs-opt .rec{margin-left:auto;flex:none;font-size:10.5px;font-weight:800;color:#fff;background:var(--grad);padding:3px 9px;border-radius:999px}
/* Crisp 聊天浮窗 */
.cs-chat{position:fixed;right:22px;bottom:86px;z-index:61;width:min(380px,calc(100vw - 44px));height:min(600px,calc(100dvh - 130px));display:flex;flex-direction:column;border-radius:22px;overflow:hidden;
  background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.95);
  backdrop-filter:blur(26px) saturate(1.6);-webkit-backdrop-filter:blur(26px) saturate(1.6);
  box-shadow:0 34px 90px rgba(50,60,120,.32),inset 0 1px 0 #fff;
  opacity:0;transform:translateY(14px) scale(.97);pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.cs-chat.open{opacity:1;transform:none;pointer-events:auto}
.cs-chat iframe{flex:1;border:0;width:100%;background:#fff}

@media(max-width:1200px){
  .hero{grid-template-columns:1fr;gap:76px}
  .hero p.sub{max-width:640px}
  .stage{max-width:620px;margin:0 auto}
}
@media(max-width:960px){
  h1{font-size:38px}
  .cards3,.plans,.split{grid-template-columns:1fr}
  .split.rev>.txt{order:0}
  .nav-links{display:none}
  .fc1{left:-4px}.fc2{right:-4px}
  .sec-head h2{font-size:28px}
  .hero-note{white-space:normal}
}
@media(max-width:640px){
  .stats{grid-template-columns:repeat(2,auto)}
}