:root{
  --primary:#FF5C8A;
  --primary-deep:#F03D74;
  --primary-soft:#FFE4EE;
  --deep:#2A1A3D;
  --text:#3E2C50;
  --muted:#6F5E7C;
  --bg:#FFF9FB;
  --bg-soft:#FFF0F6;
  --card:#FFFFFF;
  --border:#F4D8E5;
  --green:#2EC57E;
  --radius:18px;
  --shadow:0 10px 30px rgba(240,61,116,.08);
  --shadow-hover:0 18px 42px rgba(240,61,116,.16);
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{color:var(--deep);line-height:1.28;font-weight:800;letter-spacing:-.4px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-soft{background:var(--bg-soft)}
.sec-head{max-width:720px;margin:0 auto 48px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--primary-deep);background:var(--primary-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:34px;margin-bottom:14px}
.sec-head p{color:var(--muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--primary-deep));color:#fff;box-shadow:0 10px 24px rgba(240,61,116,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(240,61,116,.36)}
.btn-lg{height:54px;padding:0 34px;font-size:17px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}

.nav{position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s}
.nav.is-scrolled{box-shadow:0 6px 24px rgba(42,26,61,.08);border-color:var(--border)}
.nav-inner{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:baseline;gap:4px;font-size:22px;font-weight:800;color:var(--deep);letter-spacing:-.6px;flex-shrink:0}
.logo span{font-size:15px;font-weight:800;color:var(--primary-deep);letter-spacing:0}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu a{font-size:15px;font-weight:500;color:var(--text);padding:6px 0;position:relative;transition:color .2s}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transition:transform .25s}
.nav-menu a:hover{color:var(--primary-deep)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-btn{height:36px;padding:0 13px;font-size:13px;margin-left:4px}

.hero{position:relative;padding:132px 0 76px;background:
  radial-gradient(760px 420px at 88% -6%,rgba(255,92,138,.18),transparent 62%),
  radial-gradient(680px 380px at 4% 12%,rgba(150,110,255,.14),transparent 60%),
  linear-gradient(180deg,#FFF4F9 0%,var(--bg) 78%);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary-deep);background:#fff;border:1px solid var(--border);padding:7px 16px;border-radius:999px;box-shadow:0 6px 18px rgba(240,61,116,.08)}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(46,197,126,.16)}
.hero h1{font-size:56px;line-height:1.1;margin:22px 0 18px;letter-spacing:-2px}
.hero h1 em{display:inline-block;font-style:normal;font-size:20px;font-weight:800;color:var(--primary-deep);background:var(--primary-soft);padding:4px 12px;border-radius:10px;vertical-align:middle;margin-left:10px;letter-spacing:0;transform:translateY(-6px)}
.hero-desc{font-size:17px;color:var(--muted);max-width:520px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}
.hero-tags li{font-size:13px;font-weight:600;color:var(--primary-deep);background:#fff;border:1px solid var(--border);padding:5px 13px;border-radius:999px}
.hero-btn{min-width:280px}
.hero-note{font-size:13px;color:var(--muted);margin-top:16px}

.hero-chat{position:relative}
.chat-glow{position:absolute;inset:-18px;border-radius:32px;background:linear-gradient(150deg,#FFB3CC,#C9A7FF);filter:blur(26px);opacity:.5;z-index:0}
.chat{position:relative;z-index:1;background:#fff;border-radius:24px;box-shadow:0 26px 60px rgba(42,26,61,.18);overflow:hidden;max-width:420px;margin-left:auto}
.chat-head{display:flex;align-items:center;gap:12px;padding:14px 18px;background:linear-gradient(100deg,var(--deep),#5A2A5E)}
.chat-head img{width:46px;height:46px;border-radius:14px;object-fit:cover;border:2px solid rgba(255,255,255,.6)}
.chat-id strong{display:block;color:#fff;font-size:16px;line-height:1.4}
.chat-id span{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.78);font-size:11px;line-height:1.4}
.dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.chat-body{height:340px;overflow-y:auto;padding:18px;background:#FFF6FA;display:flex;flex-direction:column;gap:12px;scrollbar-width:thin}
.msg{display:flex;gap:8px;align-items:flex-start;animation:fade .3s ease both}
.msg img{width:30px;height:30px;border-radius:9px;object-fit:cover;flex-shrink:0}
.bubble{max-width:78%;padding:10px 14px;border-radius:4px 14px 14px 14px;background:#fff;border:1px solid var(--border);font-size:14px;line-height:1.62;color:var(--text);box-shadow:0 3px 10px rgba(240,61,116,.06)}
.msg.me{justify-content:flex-end}
.msg.me .bubble{border-radius:14px 4px 14px 14px;background:linear-gradient(90deg,var(--primary),var(--primary-deep));color:#fff;border-color:transparent}
.chat-foot{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#fff;border-top:1px solid var(--border)}
.chat-input{flex:1;min-width:0;height:42px;display:flex;align-items:center;padding:0 14px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--border);font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-input.is-done{display:block;height:auto;min-height:42px;padding:8px 14px;white-space:normal;word-break:break-word;line-height:1.35;font-size:12.5px;font-weight:600;color:var(--primary-deep);border-color:#FFC6DB}
.chat-send{height:42px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(90deg,var(--primary),var(--primary-deep));transition:transform .2s,background .2s;flex-shrink:0}
.chat-send:hover{transform:translateY(-2px)}
.chat-send.is-disabled{background:#D8CCDF;color:#fff;cursor:not-allowed;transform:none;box-shadow:none}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.persona-strip{margin-top:64px}
.persona-cap{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.persona-cap strong{font-size:16px;color:var(--deep)}
.persona-cap span{font-size:13px;color:var(--muted)}
.persona-cap::after{content:"";flex:1;height:1px;background:var(--border)}
.persona-list{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.persona{border-radius:16px;padding:14px 10px;text-align:center}
.persona img{width:100%;max-width:84px;aspect-ratio:1/1;border-radius:50%;object-fit:cover;margin:0 auto 10px;border:2px solid var(--primary-soft)}
.persona b{display:block;font-size:14px;color:var(--deep);line-height:1.4}
.persona small{display:block;font-size:11px;color:var(--muted);line-height:1.5}
.persona.is-custom{background:linear-gradient(170deg,#fff,var(--primary-soft));border-style:dashed}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{padding:32px 28px}
.step-no{font-size:44px;font-weight:800;color:var(--primary-soft);line-height:1;letter-spacing:-2px}
.step-ico{width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;margin:-18px 0 16px 46px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-img{position:relative}
.split-img::before{content:"";position:absolute;inset:8% 2% 6% 6%;background:linear-gradient(140deg,#FFD9E6,#E8DCFF);border-radius:34px;transform:rotate(-3deg)}
.split-img img{position:relative;border-radius:26px;width:100%;box-shadow:0 20px 46px rgba(42,26,61,.12)}
.split-txt h2{font-size:34px;margin-bottom:16px}
.split-txt>p{color:var(--muted);margin-bottom:22px}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text);align-items:flex-start}
.check-list .tick{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--primary-soft);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;margin-top:3px}
.check-list b{color:var(--deep)}
.check-list span{display:block;font-size:13px;color:var(--muted)}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{padding:28px 24px}
.feat-ico{width:50px;height:50px;border-radius:16px;background:linear-gradient(140deg,var(--primary-soft),#F3E7FF);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feat h3{font-size:18px;margin-bottom:10px}
.feat .pain{font-size:13px;color:var(--primary-deep);background:var(--primary-soft);border-radius:10px;padding:8px 12px;margin-bottom:12px;line-height:1.6}
.feat p{font-size:14px;color:var(--muted)}

.cmp-wrap{max-width:1040px;margin:0 auto;border-radius:20px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);background:#fff}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp-table{width:100%;border-collapse:collapse;font-size:15px}
.cmp-table th,.cmp-table td{padding:17px 20px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--border)}
.cmp-table thead th{background:var(--deep);color:#fff;font-weight:700}
.cmp-table thead th:first-child{background:#20132F;color:rgba(255,255,255,.7);font-weight:600}
.cmp-table thead th.mine{background:linear-gradient(100deg,var(--primary),var(--primary-deep));color:#fff}
.cmp-table tbody td:first-child{font-weight:600;color:var(--deep);background:#FFF7FA}
.cmp-table tbody td.mine{background:#FFF0F6;color:var(--deep);font-weight:600}
.cmp-table tbody tr:nth-child(even) td:not(.mine){background:#FCFAFD}
.cmp-table tbody tr:nth-child(even) td.mine{background:#FFE9F1}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover td.mine{background:var(--primary-soft)}
.cmp-hint{display:none;text-align:center;font-size:12px;color:var(--muted);margin-top:14px}
.cmp-hint::before{content:"← "}
.cmp-hint::after{content:" →"}

.scene-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center}
.scene-card{padding:34px 30px}
.scene-card h3{font-size:20px;margin-bottom:18px}
.scene-list{display:grid;gap:13px}
.scene-list li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.6}
.scene-list li i{color:var(--green);flex-shrink:0;font-style:normal;font-weight:800}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:16px;position:relative}
.vs-card{padding:26px 22px}
.vs-card h4{font-size:17px;margin-bottom:14px}
.vs-card ul{display:grid;gap:9px}
.vs-card li{font-size:13.5px;color:var(--muted);padding-left:16px;position:relative;line-height:1.6}
.vs-card li::before{content:"·";position:absolute;left:2px;top:0;font-weight:800}
.vs-card.bad{background:#F7F4FA}
.vs-card.bad h4{color:var(--muted)}
.vs-card.bad li::before{color:#B9A8C6}
.vs-card.good{background:linear-gradient(170deg,#fff,var(--primary-soft));border-color:#FFC6DB}
.vs-card.good h4{color:var(--primary-deep)}
.vs-card.good li{color:var(--text)}
.vs-card.good li::before{color:var(--primary)}
.vs-end{margin-top:16px;padding-top:14px;border-top:1px dashed #E4D6EC;font-size:12.5px;line-height:1.6;color:var(--muted);font-weight:600}
.vs-card.good .vs-end{color:var(--primary-deep);border-color:#FFC6DB}
.vs-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:50px;height:50px;border-radius:50%;background:var(--deep);color:#fff;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(42,26,61,.28);border:4px solid var(--bg)}

.stats{background:linear-gradient(120deg,#241533,#3B1D4C 55%,#56244C);padding:74px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{font-size:46px;font-weight:800;line-height:1.1;letter-spacing:-1.5px;background:linear-gradient(90deg,#FFD1E1,#FF8FB2);-webkit-background-clip:text;background-clip:text;color:#FFA9C4;-webkit-text-fill-color:transparent}
.stat-num small{font-size:20px;font-weight:700;letter-spacing:0;-webkit-text-fill-color:#FFC9DC}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}

.tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tags li{font-size:13px;font-weight:600;color:var(--primary-deep);background:#fff;border:1px solid var(--border);padding:6px 14px;border-radius:999px}

.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{padding:24px;display:flex;flex-direction:column;gap:10px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar-char{width:44px;height:44px;border-radius:14px;background:linear-gradient(140deg,var(--primary),var(--primary-deep));color:#fff;font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.review-top b{display:block;font-size:14px;color:var(--deep);line-height:1.4}
.stars{font-size:12px;color:#FFA51F;letter-spacing:2px;line-height:1.4}
.review p{font-size:14px;color:var(--muted);line-height:1.72}

.privacy{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.priv{padding:28px 24px}
.priv-ico{width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.priv h3{font-size:17px;margin-bottom:8px}
.priv p{font-size:13.5px;color:var(--muted)}

.ver-box{max-width:880px;margin:0 auto;padding:34px 38px}
.ver-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px dashed var(--border);margin-bottom:20px}
.ver-tag{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--deep)}
.ver-tag span{font-size:12px;font-weight:700;color:var(--primary-deep);background:var(--primary-soft);padding:3px 10px;border-radius:999px}
.ver-date{font-size:13px;color:var(--muted)}
.ver-list{display:grid;gap:12px}
.ver-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text);line-height:1.65}
.ver-list li b{flex-shrink:0;font-size:12px;font-weight:700;color:var(--primary-deep);background:var(--primary-soft);border-radius:6px;padding:1px 8px;height:22px;line-height:20px;margin-top:2px}

.faq{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .25s}
.faq-item.is-open{box-shadow:var(--shadow-hover);border-color:#FFC6DB}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--deep);min-height:56px}
.faq-q i{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--primary-soft);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:18px;font-weight:700;line-height:1;transition:transform .3s,background .3s,color .3s}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:linear-gradient(90deg,var(--primary),var(--primary-deep));color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.8}

.dl{background:linear-gradient(135deg,#2A1A3D,#4A2150 60%,#7A2B57);padding:80px 0;position:relative;overflow:hidden}
.dl::before,.dl::after{content:"";position:absolute;border-radius:50%;filter:blur(60px)}
.dl::before{width:340px;height:340px;background:rgba(255,92,138,.34);top:-120px;right:-60px}
.dl::after{width:280px;height:280px;background:rgba(150,110,255,.28);bottom:-120px;left:-60px}
.dl-box{position:relative;z-index:1;max-width:780px;margin:0 auto;text-align:center;color:#fff}
.dl-box h1{font-size:44px;color:#fff;letter-spacing:-1.5px;margin-bottom:14px}
.dl-box h1 em{font-style:normal;font-size:18px;background:rgba(255,255,255,.16);padding:4px 12px;border-radius:10px;vertical-align:middle;margin-left:10px;transform:translateY(-6px);display:inline-block}
.dl-meta{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:30px;white-space:nowrap}
.dl-btns{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.dl-btn{height:56px;padding:0 30px;font-size:16px;background:#fff;color:var(--primary-deep);box-shadow:0 12px 28px rgba(0,0,0,.18);border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;transition:transform .25s,box-shadow .25s}
.dl-btn:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(0,0,0,.24)}
.dl-tip{margin-top:24px;font-size:14px;color:rgba(255,255,255,.82)}

.footer{background:#fff;border-top:1px solid var(--border);padding:34px 0}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.foot-inner a{color:var(--deep);font-weight:600;transition:color .2s}
.foot-inner a:hover{color:var(--primary-deep)}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{font-weight:500;color:var(--muted);font-size:13px}

.totop{position:fixed;right:26px;bottom:26px;z-index:80;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--border);box-shadow:0 10px 26px rgba(42,26,61,.16);color:var(--primary-deep);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s,transform .3s,visibility .3s,box-shadow .25s}
.totop.is-show{opacity:1;visibility:visible;transform:none}
.totop:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}

@media (max-width:1100px){
  .hero h1{font-size:46px}
  .hero-inner{gap:36px}
  .persona-list{grid-template-columns:repeat(3,1fr)}
  .grid-4,.reviews,.privacy,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{gap:34px 24px}
  .split{gap:40px}
  .sec-head h2,.split-txt h2{font-size:30px}
  .dl-box h1{font-size:38px}
}
@media (max-width:900px){
  .nav-menu{display:none}
  .nav-inner{height:62px;justify-content:space-between;gap:12px}
  .logo{font-size:20px}
  .logo span{font-size:14px}
  .nav-btn{height:44px;padding:0 18px;font-size:14px;margin-left:0}
  html{scroll-padding-top:74px}
  .hero{padding:104px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-copy{text-align:center}
  .hero-desc{margin:0 auto}
  .hero-tags{justify-content:center}
  .hero h1{font-size:42px;letter-spacing:-1px}
  .chat{margin:0 auto;max-width:440px}
  .section{padding:64px 0}
  .split,.scene-grid{grid-template-columns:1fr;gap:36px}
  .split-img{max-width:520px;margin:0 auto}
  .scene-card{order:2}
  .vs{order:1}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:34px}
  .sec-head h2{font-size:25px}
  .sec-head p{font-size:14px}
  .split-txt h2{font-size:25px}
  .hero{padding:94px 0 48px}
  .hero h1{font-size:36px}
  .hero h1 em{font-size:15px;margin-left:6px;transform:translateY(-4px)}
  .hero-desc{font-size:15px}
  .hero-btn{width:100%;max-width:100%;height:52px}
  .custom-txt .btn{width:100%;max-width:100%;height:52px}
  .hero-note{font-size:12px}
  .persona-list{gap:12px}
  .persona{padding:12px 8px}
  .persona img{max-width:66px}
  .persona b{font-size:13px}
  .persona small{font-size:10px}
  .steps{grid-template-columns:1fr;gap:16px}
  .step{padding:24px 22px}
  .step-no{font-size:36px}
  .step-ico{margin:-14px 0 12px 38px}
  .cmp-table{min-width:640px;font-size:13.5px}
  .cmp-table th,.cmp-table td{padding:14px 16px}
  .cmp-hint{display:block}
  .vs{grid-template-columns:1fr;gap:18px}
  .vs-badge{position:relative;left:auto;top:auto;transform:none;margin:-34px auto 0;width:46px;height:46px;font-size:13px}
  .stats{padding:52px 0}
  .stat-num{font-size:34px}
  .stat-num small{font-size:15px}
  .stat-label{font-size:12px}
  .ver-box{padding:24px 22px}
  .ver-tag{font-size:19px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px;font-size:13.5px}
  .dl{padding:56px 0}
  .dl-box h1{font-size:30px}
  .dl-box h1 em{font-size:14px;margin-left:6px;transform:translateY(-4px)}
  .dl-meta{font-size:11px;margin-bottom:24px}
  .dl-btns{flex-direction:column;gap:12px}
  .dl-btn{width:100%;height:52px;font-size:15px}
  .dl-tip{font-size:13px;margin-top:20px}
  .foot-inner{flex-direction:column;text-align:center;gap:12px}
  .foot-links{justify-content:center;gap:16px}
  .totop{right:16px;bottom:16px;width:44px;height:44px}
}
@media (max-width:640px){
  .grid-4,.reviews,.privacy{grid-template-columns:1fr}
  .chat-body{height:280px;padding:14px}
  .bubble{font-size:13px;max-width:80%}
  .chat-head img{width:42px;height:42px}
  .chat-input{font-size:12px}
  .chat-input.is-done{font-size:12px}
  .chat-send{padding:0 18px;height:44px}
  .persona-cap{flex-wrap:wrap;gap:6px}
  .persona-cap::after{display:none}
  .persona-cap span{width:100%}
}