: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);
  --nav-h:70px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 10px)}

body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}

.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 通用区块标题 ===== */
.sec-title{font-size:34px;line-height:1.35;color:var(--deep);text-align:center;font-weight:700;letter-spacing:.5px}
.sec-title.light{color:#fff}
.sec-title.left{text-align:left}
.sec-sub{text-align:center;color:var(--muted);margin-top:10px;font-size:16px}
section{padding:88px 0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  color:#fff;border-radius:999px;
  font-size:17px;font-weight:600;
  padding:15px 38px;min-height:52px;
  transition:transform .25s,box-shadow .25s;
  box-shadow:0 10px 26px rgba(240,61,116,.28);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(240,61,116,.36)}
.btn-ghost{
  background:var(--card);
  color:var(--primary-deep);
  border:2px solid var(--primary);
  box-shadow:0 10px 26px rgba(240,61,116,.12);
}

/* ===== 1 导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 6px 22px rgba(240,61,116,.1)}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
}
.logo{display:flex;align-items:center;gap:9px;flex-shrink:0}
.logo-heart{color:var(--primary);display:inline-flex}
.logo-text{font-size:20px;font-weight:700;color:var(--deep);letter-spacing:.5px}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-menu a{font-size:15px;color:var(--text);transition:color .2s;white-space:nowrap}
.nav-menu a:hover{color:var(--primary)}
.nav-download{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:#fff;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  border-radius:999px;padding:10px 26px;min-height:44px;
  transition:transform .25s,box-shadow .25s;
  box-shadow:0 8px 20px rgba(240,61,116,.24);
  white-space:nowrap;
}
.nav-download:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(240,61,116,.34)}

/* ===== 2 Hero ===== */
.hero{
  padding-top:calc(var(--nav-h) + 50px);
  padding-bottom:70px;
  background:linear-gradient(180deg,var(--bg-soft) 0%,var(--bg) 70%);
  overflow:hidden;
}
.hero-wrap{
  max-width:1180px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;
  background:var(--primary-soft);color:var(--primary-deep);
  font-size:14px;font-weight:600;
  padding:7px 18px;border-radius:999px;
  margin-bottom:20px;
}
.hero-title{font-size:52px;line-height:1.2;color:var(--deep);font-weight:800;letter-spacing:1px}
.hero-ver{
  display:inline-block;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:22px;font-weight:700;
  padding:6px 16px;border-radius:12px;
  vertical-align:middle;margin-left:8px;
}
.hero-desc{color:var(--text);font-size:17px;margin:24px 0 30px;max-width:520px}
.hero-points{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--muted);
  background:var(--card);
  border:1px solid var(--border);
  padding:8px 16px;border-radius:999px;
}
.hero-points span::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--green);flex-shrink:0;
}

/* 聊天窗口 */
.chat-card{
  background:linear-gradient(160deg,var(--bg-soft),var(--primary-soft) 45%,var(--card));
  border:1px solid var(--border);
  border-radius:22px;
  box-shadow:0 18px 46px rgba(240,61,116,.18);
  overflow:hidden;
  max-width:440px;margin-left:auto;width:100%;
}
.chat-head{
  display:flex;align-items:center;gap:12px;
  background:var(--card);
  padding:14px 18px;
  border-bottom:1px solid var(--border);
}
.chat-avatar{width:46px;height:46px;border-radius:50%;object-fit:cover;border:2px solid var(--primary-soft)}
.chat-head-info{display:flex;flex-direction:column;line-height:1.4}
.chat-name{font-size:16px;font-weight:700;color:var(--deep)}
.chat-status{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:5px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block}
.chat-body{
  padding:18px 18px 14px;
  height:290px;overflow-y:auto;
  display:flex;flex-direction:column;gap:14px;
}
.msg{display:flex;gap:9px;max-width:88%;align-items:flex-start}
.msg-user{align-self:flex-end}
.msg-avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;flex-shrink:0}
.bubble{
  background:var(--card);
  color:var(--text);
  border-radius:14px 14px 14px 4px;
  padding:10px 15px;font-size:14.5px;
  box-shadow:0 4px 14px rgba(240,61,116,.1);
  line-height:1.65;
}
.msg-user .bubble{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  border-radius:14px 14px 4px 14px;
}
.chat-foot{
  display:flex;align-items:center;gap:10px;
  background:var(--card);
  padding:12px 14px;
  border-top:1px solid var(--border);
}
.chat-input{
  flex:1;min-width:0;
  border:1px solid var(--border);
  background:var(--bg-soft);
  border-radius:999px;
  padding:11px 16px;
  font-size:16px;color:var(--muted);
  outline:none;
}
.chat-send{
  flex-shrink:0;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  color:#fff;
  border-radius:999px;
  padding:11px 22px;font-size:14.5px;font-weight:600;
  min-height:44px;
  transition:opacity .3s,transform .25s;
  box-shadow:0 8px 18px rgba(240,61,116,.24);
}
.chat-send:hover{transform:translateY(-2px)}
.chat-send.disabled{opacity:.45;cursor:not-allowed;transform:none}

/* 人设挑选 */
.persona{max-width:1180px;margin:56px auto 0;padding:0 24px}
.persona-title{font-size:24px;font-weight:700;color:var(--deep);text-align:center;margin-bottom:26px}
.persona-grid{
  display:grid;grid-template-columns:repeat(6,1fr);
  gap:18px;
}
.persona-item{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:20px 12px 16px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s;
}
.persona-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.persona-item img{width:96px;height:96px;border-radius:50%;object-fit:cover;border:3px solid var(--primary-soft)}
.persona-item span{font-size:14px;font-weight:600;color:var(--deep)}

/* ===== 3 三步上手 ===== */
.steps{background:var(--bg-soft)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:48px}
.step-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:38px 30px;text-align:center;
  transition:transform .25s,box-shadow .25s;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.step-num{
  width:58px;height:58px;margin:0 auto 20px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:24px;font-weight:700;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 22px rgba(240,61,116,.28);
}
.step-card h3{font-size:20px;color:var(--deep);margin-bottom:12px}
.step-card p{font-size:15px;color:var(--muted)}

/* ===== 4 产品介绍 ===== */
.intro-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.intro-media img{border-radius:var(--radius);box-shadow:var(--shadow-hover);width:100%;object-fit:cover}
.intro-content h2,.custom-content h2{margin-bottom:22px}
.intro-text{color:var(--text);font-size:16px;margin-bottom:26px}
.check-list li{
  display:flex;align-items:center;gap:14px;
  background:var(--primary-soft);
  border:1px solid var(--border);
  border-radius:14px;
  padding:14px 18px;
  font-size:15.5px;color:var(--deep);font-weight:600;
  margin-bottom:12px;
  transition:transform .25s,box-shadow .25s;
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.check-list li::before{
  content:"";flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size:15px;background-position:center;background-repeat:no-repeat;
  box-shadow:0 6px 14px rgba(240,61,116,.24);
}

/* ===== 5 核心功能 ===== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:48px}
.feature-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:32px 26px;
  transition:transform .25s,box-shadow .25s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-icon{
  width:58px;height:58px;border-radius:16px;
  background:var(--primary-soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.feature-card h3{font-size:19px;color:var(--deep);margin-bottom:10px}
.feature-pain{font-size:13.5px;color:var(--primary-deep);font-weight:600;margin-bottom:10px}
.feature-desc{font-size:14.5px;color:var(--muted)}

/* ===== 6 优势对比 ===== */
.compare{background:var(--bg-soft)}
.table-scroll{overflow-x:auto;margin-top:44px;-webkit-overflow-scrolling:touch}
.compare-table{
  width:100%;min-width:640px;
  border-collapse:separate;border-spacing:0;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.compare-table th,.compare-table td{
  padding:15px 18px;text-align:center;
  font-size:15px;white-space:nowrap;
  border-bottom:1px solid var(--border);
}
.compare-table th{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-weight:600;font-size:16px;
}
.compare-table .col-win{background:var(--primary-soft);color:var(--primary-deep);font-weight:600}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr td:first-child{font-weight:600;color:var(--deep);background:var(--bg)}
.compare-table tbody tr:hover td{background:#FFF6FA}
.table-tip{display:none;text-align:center;color:var(--muted);font-size:13px;margin-top:14px}

/* ===== 7 使用场景 ===== */
.scene-list{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  margin:44px auto 54px;max-width:880px;
}
.scene-list li{
  display:flex;align-items:flex-start;gap:11px;
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;box-shadow:var(--shadow);
  padding:16px 20px;font-size:15px;color:var(--text);
  transition:transform .25s,box-shadow .25s;
}
.scene-list li:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-list li::before{
  content:"✓";flex-shrink:0;
  width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:1px;
}
.vs-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;
  gap:24px;align-items:center;max-width:960px;margin:0 auto;
}
.vs-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:32px 28px;
  transition:transform .25s,box-shadow .25s;
}
.vs-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.vs-card h3{font-size:20px;margin-bottom:18px;text-align:center}
.vs-lose h3{color:var(--muted)}
.vs-win h3{color:var(--primary-deep)}
.vs-card ul li{
  position:relative;padding-left:26px;
  font-size:15px;color:var(--text);margin-bottom:12px;
}
.vs-lose ul li::before{
  content:"✕";position:absolute;left:0;top:0;
  color:#C9B6C4;font-weight:700;
}
.vs-win ul li::before{
  content:"✓";position:absolute;left:0;top:0;
  color:var(--primary);font-weight:700;
}
.vs-badge{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(240,61,116,.32);
  flex-shrink:0;
}

/* ===== 8 数据 ===== */
.stats{
  background:linear-gradient(135deg,var(--deep) 0%,#3B2A58 100%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:52px}
.stat-item{text-align:center;padding:26px 10px;border-radius:var(--radius)}
.stat-num{
  font-size:46px;font-weight:800;color:#fff;line-height:1.15;
  text-shadow:0 4px 20px rgba(240,61,116,.45);
}
.stat-label{color:rgba(255,255,255,.7);font-size:15px;margin-top:10px;letter-spacing:2px}

/* ===== 9 人设定制 ===== */
.custom-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.custom-text{color:var(--text);font-size:16px;margin-bottom:30px}
.custom-media img{border-radius:var(--radius);box-shadow:var(--shadow-hover);width:100%;object-fit:cover}

/* ===== 10 用户评价 ===== */
.reviews{background:var(--bg-soft)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:48px}
.review-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:28px 26px;
  transition:transform .25s,box-shadow .25s;
}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.review-avatar{
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:20px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.review-name{font-size:16px;font-weight:600;color:var(--deep)}
.review-stars{font-size:15px;color:#FF9F1C;letter-spacing:2px;line-height:1.3}
.review-card p{font-size:14.5px;color:var(--text)}

/* ===== 11 隐私安全 ===== */
.privacy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:48px}
.privacy-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:32px 26px;text-align:center;
  transition:transform .25s,box-shadow .25s;
}
.privacy-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.privacy-icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:50%;
  background:var(--primary-soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
}
.privacy-card h3{font-size:18px;color:var(--deep);margin-bottom:10px}
.privacy-card p{font-size:14px;color:var(--muted)}

/* ===== 12 版本更新 ===== */
.version{background:var(--bg-soft)}
.version-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:38px 34px;max-width:820px;margin:44px auto 0;
}
.version-head{
  display:flex;align-items:center;gap:18px;
  flex-wrap:wrap;
  padding-bottom:20px;margin-bottom:20px;
  border-bottom:1px solid var(--border);
}
.version-badge{
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:20px;font-weight:700;
  padding:8px 22px;border-radius:12px;
}
.version-time{font-size:15px;color:var(--muted)}
.version-list li{
  position:relative;padding-left:30px;
  font-size:15.5px;color:var(--text);margin-bottom:14px;
}
.version-list li::before{
  content:"";position:absolute;left:0;top:7px;
  width:9px;height:9px;border-radius:50%;
  background:var(--primary);
}

/* ===== 13 FAQ ===== */
.faq-list{max-width:820px;margin:44px auto 0}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;box-shadow:var(--shadow);
  margin-bottom:16px;overflow:hidden;
  transition:box-shadow .25s;
}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;
  font-size:16.5px;font-weight:600;color:var(--deep);
  text-align:left;
}
.faq-arrow{
  width:12px;height:12px;flex-shrink:0;
  border-right:2.5px solid var(--primary);
  border-bottom:2.5px solid var(--primary);
  transform:rotate(45deg);
  transition:transform .3s;
  margin-top:-4px;
}
.faq-item.open .faq-arrow{transform:rotate(-135deg);margin-top:4px}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* ===== 14 下载区域 ===== */
.download{
  background:linear-gradient(160deg,var(--bg-soft) 0%,var(--primary-soft) 60%,var(--bg-soft) 100%);
  text-align:center;
}
.download-title{font-size:42px;color:var(--deep);font-weight:800}
.download-title span{
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:24px;font-weight:700;
  padding:6px 18px;border-radius:12px;
  vertical-align:middle;margin-left:10px;
}
.download-meta{color:var(--muted);font-size:15px;margin:16px 0 34px;letter-spacing:.5px}
.download-btns{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.download-tip{color:var(--primary-deep);font-size:16px;font-weight:600;margin-top:30px}

/* ===== 15 页脚 ===== */
.footer{background:var(--deep);padding:34px 0;text-align:center}
.footer-copy{color:rgba(255,255,255,.85);font-size:15px}
.footer-copy a{color:#fff;font-weight:600}
.footer-copy a:hover{color:var(--primary)}
.footer-icp{color:rgba(255,255,255,.4);font-size:13px;margin-top:8px}

/* ===== 16 返回顶部 ===== */
.back-top{
  position:fixed;right:26px;bottom:34px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(240,61,116,.35);
  opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s,transform .25s;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-4px)}

/* ===== 响应式 ===== */

/* ≤1100px */
@media (max-width:1100px){
  .persona-grid{grid-template-columns:repeat(3,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .privacy-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:42px}
  .hero-wrap{gap:36px}
}

/* ≤900px */
@media (max-width:900px){
  .nav-menu{display:none}
  .hero-wrap{grid-template-columns:1fr;gap:44px}
  .chat-card{margin:0 auto;max-width:480px}
  .hero{text-align:center}
  .chat-head,.chat-head-info{text-align:left}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-points{justify-content:center}
  .hero-actions{display:flex;justify-content:center}
  .intro-wrap{grid-template-columns:1fr;gap:34px}
  .custom-wrap{grid-template-columns:1fr;gap:34px}
  .custom-content{text-align:center}
  .custom-content .sec-title.left{text-align:center}
  .vs-wrap{grid-template-columns:1fr;gap:20px}
  .vs-badge{margin:0 auto}
  .scene-list{grid-template-columns:1fr}
  .sec-title{font-size:28px}
}

/* ≤768px */
@media (max-width:768px){
  section{padding:64px 0}
  .container{padding:0 20px}
  .hero-wrap,.persona{padding-left:20px;padding-right:20px}
  .nav-inner{padding:0 20px}
  .table-tip{display:block}
  .download-btns{flex-direction:column;align-items:stretch;padding:0 20px}
  .btn{width:100%}
  .download-meta{font-size:13px;white-space:nowrap}
  .persona-grid{grid-template-columns:repeat(3,1fr);gap:12px}
  .steps-grid{grid-template-columns:1fr;gap:20px}
  .hero-title{font-size:34px}
  .hero-ver{font-size:17px;padding:4px 12px}
  .stats-grid{gap:18px}
  .stat-num{font-size:34px}
  .back-top{right:18px;bottom:24px}
}

/* ≤640px */
@media (max-width:640px){
  .features-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .privacy-grid{grid-template-columns:1fr}
  .persona-grid{grid-template-columns:repeat(3,1fr)}
  .persona-item img{width:76px;height:76px}
  .chat-body{height:210px}
  .hero-points{flex-direction:row;flex-wrap:nowrap;justify-content:space-between;gap:5px;width:100%}
  .hero-points span{font-size:12px;padding:7px 4px;white-space:nowrap;flex:1;justify-content:center}
  .hero-points span::before{width:6px;height:6px}
  .hero-title{font-size:30px}
  .sec-title{font-size:25px}
  .download-title{font-size:30px}
  .download-title span{font-size:18px}
  .version-card{padding:28px 22px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01s;animation-duration:.01s}
}