*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:#15171c;
  line-height:1.68;
  background-color:#fffbf0;
  background-image:
    radial-gradient(1000px 620px at 6% -6%, rgba(255,212,0,.34), rgba(255,212,0,0) 62%),
    radial-gradient(900px 560px at 98% 8%, rgba(255,178,0,.20), rgba(255,178,0,0) 60%),
    linear-gradient(180deg,#fffdf7 0%,#fff8e6 55%,#fffbf0 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
ul,ol{list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}
section[id]{scroll-margin-top:88px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,251,240,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(21,23,28,.08);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.ai-page-logo{max-height:38px;width:auto;display:block}
.brand-name{font-size:17px;font-weight:900;letter-spacing:.02em;color:#15171c;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links a{
  display:block;padding:8px 10px;font-size:14px;font-weight:600;color:#2a2d35;
  text-decoration:none;border-radius:9px;white-space:nowrap;
  transition:background .22s ease,color .22s ease;
}
.nav-links a:hover{background:rgba(255,212,0,.28);color:#15171c}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-cta{padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line,#ece5d2);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#15171c;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:800;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .2s ease,box-shadow .26s ease,background .26s ease,border-color .26s ease;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(180deg,#ffe14d,#ffcf00);color:#15171c;box-shadow:0 12px 26px rgba(255,199,0,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(255,199,0,.55)}
.btn-dark{background:#15171c;color:#ffe14d;box-shadow:0 10px 22px rgba(21,23,28,.18)}
.btn-dark:hover{transform:translateY(-2px);background:#000}
.btn-ghost{background:#fff;color:#15171c;border-color:rgba(21,23,28,.16)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#ffc400;box-shadow:0 12px 24px rgba(180,140,0,.16)}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:78px 0 62px;text-align:center}
.hero::before{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%, rgba(255,214,0,.42), rgba(255,214,0,0) 68%);
  top:-240px;left:-160px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle at 60% 60%, rgba(255,170,0,.24), rgba(255,170,0,0) 70%);
  bottom:-220px;right:-140px;pointer-events:none;
}
.hero-inner{position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.82);border:1px solid rgba(255,196,0,.6);
  font-size:13px;font-weight:800;color:#7a5c00;letter-spacing:.04em;
}
.hero h1{
  font-size:clamp(32px,5.6vw,58px);line-height:1.16;letter-spacing:-.02em;
  font-weight:900;margin-top:20px;
}
.hero h1 .mark{
  background:linear-gradient(180deg,transparent 60%,#ffd400 60%,#ffd400 94%,transparent 94%);
  padding:0 4px;border-radius:4px;
}
.hero-lead{
  max-width:740px;margin:20px auto 0;font-size:clamp(14.5px,1.7vw,16.5px);
  color:#4a4f5b;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px;margin-top:32px}
.hero-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:48px}
.hero-metrics li{
  background:rgba(255,255,255,.78);border:1px solid rgba(255,199,0,.45);
  border-radius:16px;padding:18px 12px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.hero-metrics li:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(180,140,0,.16);border-color:#ffc400}
.hero-metrics strong{display:block;font-size:clamp(20px,3vw,27px);font-weight:900;color:#15171c;letter-spacing:-.01em}
.hero-metrics span{display:block;margin-top:4px;font-size:12.8px;color:#6b5a00;font-weight:600}

/* 区块通用 */
.section{padding:62px 0}
.section-head{max-width:780px;margin:0 auto 42px;text-align:center}
.eyebrow{
  display:inline-block;padding:6px 15px;border-radius:999px;
  background:rgba(255,212,0,.22);border:1px solid rgba(255,199,0,.5);
  color:#7a5c00;font-size:12.8px;font-weight:800;letter-spacing:.08em;margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,3.4vw,34px);line-height:1.32;letter-spacing:-.01em;font-weight:900}
.section-head p{margin-top:14px;font-size:15px;color:#5c616d;line-height:1.8}

/* 网格 */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* 卡片 */
.card{
  background:#fff;border:1px solid #ece5d2;border-radius:18px;padding:24px 22px;
  display:flex;flex-direction:column;gap:9px;
  box-shadow:0 2px 10px rgba(21,23,28,.05);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(180,140,0,.16);border-color:rgba(255,196,0,.65)}
.card h3{font-size:17px;line-height:1.45;font-weight:800;position:relative;padding-left:14px;color:#15171c}
.card h3::before{
  content:"";position:absolute;left:0;top:.35em;width:5px;height:15px;border-radius:3px;
  background:linear-gradient(180deg,#ffd400,#ffb100);
}
.card p{font-size:14.5px;color:#646a76;line-height:1.75}

/* 标签条 */
.tag-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;justify-content:center}
.tag-bar span{
  padding:8px 16px;border-radius:999px;background:#fff;border:1px solid #ece5d2;
  font-size:13.2px;font-weight:700;color:#3a3f4a;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.tag-bar span:hover{background:#fff6cf;border-color:#ffc400;transform:translateY(-2px)}

/* 一站式制作图片 */
.studio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.studio-card{
  background:#fff;border:1px solid #ece5d2;border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.studio-card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(180,140,0,.18)}
.studio-media{width:100%;aspect-ratio:4/3;overflow:hidden;background:#f8f3e5}
.studio-media img{width:100%;height:100%;object-fit:cover}
.studio-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:7px}
.studio-body h3{font-size:16.5px;font-weight:800;color:#15171c}
.studio-body p{font-size:14px;color:#646a76;line-height:1.72}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.steps li{
  background:#fff;border:1px solid #ece5d2;border-radius:16px;padding:22px 18px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.steps li:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(180,140,0,.15);border-color:#ffc400}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,#ffe14d,#ffc400);color:#15171c;font-weight:900;font-size:14px;
  margin-bottom:13px;
}
.steps h3{font-size:15.5px;font-weight:800;margin-bottom:6px;color:#15171c}
.steps p{font-size:13.5px;color:#646a76;line-height:1.7}

/* 案例图片卡 */
.case-card{
  background:#fff;border:1px solid #ece5d2;border-radius:18px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(180,140,0,.18)}
.case-media{width:100%;aspect-ratio:16/10;overflow:hidden;background:#f8f3e5}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body{padding:18px 20px 20px}
.case-body h3{font-size:16.5px;font-weight:800;margin-bottom:6px;color:#15171c}
.case-body p{font-size:14px;color:#646a76;line-height:1.72}

/* 表格 */
.table-wrap{
  overflow-x:auto;border:1px solid #ece5d2;border-radius:16px;background:#fff;
  box-shadow:0 2px 10px rgba(21,23,28,.05);
}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
thead th{
  background:linear-gradient(180deg,#fff6cf,#fff1b8);color:#3b2f00;
  font-weight:800;text-align:left;padding:15px 18px;white-space:nowrap;
  border-bottom:1px solid #f0e6c8;
}
tbody td{padding:15px 18px;border-bottom:1px solid #f5efdf;color:#4a4f5b;vertical-align:top;line-height:1.7}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffcf0}
tbody td:first-child{font-weight:800;color:#15171c;white-space:nowrap}
.col-hi{background:#fffbeb;font-weight:700;color:#15171c}

/* 评分条 */
.score-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(120deg,#fffbeb,#fff4c2 70%,#ffe98a);
  border:1px solid rgba(255,196,0,.62);border-radius:20px;
  padding:26px 28px;margin-bottom:24px;
}
.score-left{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.score-num{font-size:44px;font-weight:900;line-height:1;color:#15171c;letter-spacing:-.03em}
.score-num span{font-size:16px;font-weight:800;color:#7a5c00}
.stars{font-size:20px;letter-spacing:3px;color:#e6a400}
.score-left p{font-size:13.5px;color:#6b5a00;font-weight:700;margin-top:4px}
.score-right{display:flex;flex-wrap:wrap;gap:10px}
.score-right span{
  background:#fff;border:1px solid rgba(255,196,0,.6);border-radius:999px;
  padding:8px 15px;font-size:13px;font-weight:700;color:#5a4a00;
}

/* 表单 */
.match-grid{display:grid;grid-template-columns:0.95fr 1.05fr;gap:28px;align-items:start}
.match-info{display:flex;flex-direction:column;gap:16px}
.match-info .lead{font-size:15px;color:#5c616d;line-height:1.85}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#3a3f4a;line-height:1.7}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:3px;
  background:linear-gradient(135deg,#ffe14d,#ffc400);
  box-shadow:inset 0 0 0 4px #fff, 0 0 0 1px rgba(255,196,0,.7);
}
.contact-mini{font-size:14px;color:#5c616d;line-height:1.9}
.contact-mini strong{color:#15171c}
.form{
  background:#fff;border:1px solid #ece5d2;border-radius:20px;padding:26px;
  box-shadow:0 18px 40px rgba(180,140,0,.12);
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:800;color:#33373f;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid #e6dfcc;border-radius:11px;
  font-size:14.5px;font-family:inherit;color:#15171c;background:#fffdf7;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#ffc400;background:#fff;box-shadow:0 0 0 3px rgba(255,196,0,.18);
}
.form .btn{width:100%;margin-top:4px}
.form-tip{font-size:12.5px;color:#8a8f9a;text-align:center;margin-top:12px}

/* 价格/比价 */
.price-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:26px}
.price-card{
  background:#fff;border:1px solid #ece5d2;border-radius:16px;padding:22px 20px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(180,140,0,.15);border-color:#ffc400}
.price-card h3{font-size:16px;font-weight:800;margin-bottom:8px;color:#15171c}
.price-card p{font-size:14px;color:#646a76;line-height:1.75}
.price-note{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px dashed rgba(255,196,0,.8);border-radius:16px;padding:20px 24px;margin-top:22px;
}
.price-note p{font-size:14px;color:#5c616d;line-height:1.75;max-width:700px}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #ece5d2;border-radius:14px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item.open{border-color:#ffc400;box-shadow:0 12px 26px rgba(180,140,0,.13)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:15px;font-weight:800;color:#15171c;font-family:inherit;line-height:1.55;
}
.faq-q:hover{background:#fffcf0}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:rgba(255,212,0,.3);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;color:#7a5c00;
  transition:transform .28s ease,background .28s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:#ffd400;color:#15171c}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 18px;font-size:14.3px;color:#5c616d;line-height:1.8}

/* 帮助中心渠道 */
.help-channels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:34px}
.help-channels div{
  background:#fff;border:1px solid #ece5d2;border-radius:14px;padding:18px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.help-channels div:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(180,140,0,.14);border-color:#ffc400}
.help-channels h3{font-size:14.5px;font-weight:800;margin-bottom:5px;color:#15171c}
.help-channels p{font-size:13.5px;color:#646a76;line-height:1.7;word-break:break-all}

/* 标签云 */
.cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:960px;margin:0 auto}
.cloud span{
  padding:9px 17px;border-radius:999px;background:#fff;border:1px solid #ece5d2;
  font-size:13.5px;font-weight:700;color:#3a3f4a;
  transition:background .24s ease,border-color .24s ease,transform .24s ease,color .24s ease;
}
.cloud span:hover{background:#15171c;border-color:#15171c;color:#ffe14d;transform:translateY(-2px)}

/* 资讯列表 */
.news-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.news-item{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid #ece5d2;border-radius:14px;padding:16px 20px;
  text-decoration:none;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-item:hover{transform:translateX(4px);border-color:#ffc400;box-shadow:0 14px 28px rgba(180,140,0,.13)}
.news-dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:#ffc400}
.news-item span{font-size:14.8px;font-weight:700;color:#252932;line-height:1.6}
.news-item em{margin-left:auto;font-style:normal;font-size:13px;color:#9aa0ad;white-space:nowrap;flex-shrink:0}

/* 评论 */
.review-card{
  background:#fff;border:1px solid #ece5d2;border-radius:18px;padding:24px 22px;
  display:flex;flex-direction:column;gap:16px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(180,140,0,.15);border-color:rgba(255,196,0,.65)}
.review-text{font-size:14.5px;color:#4a4f5b;line-height:1.85}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ffe14d,#ffc400);color:#15171c;font-weight:900;font-size:15px;
}
.review-user strong{display:block;font-size:14.5px;color:#15171c}
.review-user em{display:block;font-style:normal;font-size:12.8px;color:#8a8f9a;margin-top:1px}

/* 加盟 */
.join-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(125deg,#ffe873 0%,#ffd400 52%,#ffbe00 100%);
  border-radius:24px;padding:44px 40px;
  display:grid;grid-template-columns:1.15fr 0.85fr;gap:32px;align-items:center;
  box-shadow:0 24px 50px rgba(210,160,0,.28);
}
.join-panel h2{font-size:clamp(22px,3.1vw,31px);font-weight:900;line-height:1.35;color:#15171c}
.join-panel p{margin-top:14px;font-size:15px;color:#3f3410;line-height:1.85}
.join-list{display:flex;flex-direction:column;gap:12px}
.join-list li{
  background:rgba(255,255,255,.78);border-radius:12px;padding:14px 18px;
  font-size:14.5px;font-weight:700;color:#2a2408;line-height:1.7;
  transition:transform .28s ease,background .28s ease;
}
.join-list li:hover{transform:translateX(4px);background:#fff}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:28px;align-items:start}
.contact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.contact-item{
  background:#fff;border:1px solid #ece5d2;border-radius:14px;padding:18px 20px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.contact-item:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(180,140,0,.14);border-color:#ffc400}
.contact-item h3{font-size:13px;font-weight:800;color:#8a8f9a;letter-spacing:.06em;margin-bottom:6px}
.contact-item p,.contact-item a{font-size:14.8px;font-weight:800;color:#15171c;text-decoration:none;word-break:break-all;line-height:1.6}
.contact-item a:hover{color:#b58900}
.qr-card{
  background:#fff;border:1px solid #ece5d2;border-radius:20px;padding:22px;text-align:center;
  box-shadow:0 18px 40px rgba(180,140,0,.12);
}
.qr-card img{width:100%;max-width:240px;height:auto;margin:0 auto;border-radius:12px}
.qr-card h3{font-size:15.5px;font-weight:800;margin:14px 0 6px;color:#15171c}
.qr-card p{font-size:13.5px;color:#646a76;line-height:1.7}

/* 页脚 */
.site-footer{background:#15171c;color:#d9dbe0;margin-top:10px}
.footer-inner{padding:52px 20px 26px;width:100%;max-width:1180px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.footer-brand-name{font-size:19px;font-weight:900;color:#ffe14d;letter-spacing:.02em}
.footer-desc{margin-top:12px;font-size:13.8px;color:#a9adb8;line-height:1.85;max-width:360px}
.footer-col h3{font-size:14px;font-weight:800;color:#ffffff;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a,.footer-col span{font-size:13.8px;color:#b9bdc7;text-decoration:none;line-height:1.6;transition:color .22s ease}
.footer-col a:hover{color:#ffe14d}
.footer-links{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
}
.footer-links-title{font-size:13px;font-weight:800;color:#ffffff;margin-right:4px}
.footer-links a{font-size:13.2px;color:#b9bdc7;text-decoration:none;transition:color .22s ease}
.footer-links a:hover{color:#ffe14d}
.footer-bottom{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.8px;color:#8f939e;line-height:1.8;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;
}
.footer-bottom a{color:#8f939e;text-decoration:none}
.footer-bottom a:hover{color:#ffe14d}

/* 浮动 */
.float-contact{position:fixed;right:16px;bottom:88px;z-index:120;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.float-panel{
  display:none;width:196px;background:#fff;border:1px solid #ece5d2;border-radius:16px;padding:12px;
  box-shadow:0 18px 40px rgba(21,23,28,.18);text-align:center;
}
.float-panel.open{display:block;animation:fadeUp .28s ease both}
.float-panel img{width:100%;height:auto;border-radius:10px}
.float-panel p{font-size:12.5px;color:#5c616d;margin-top:8px;line-height:1.6}
.float-btn{
  border:none;cursor:pointer;font-family:inherit;
  background:linear-gradient(180deg,#ffe14d,#ffcf00);color:#15171c;
  border-radius:999px;padding:12px 20px;font-size:14px;font-weight:900;
  box-shadow:0 12px 26px rgba(255,199,0,.5);
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,199,0,.6)}
.to-top{
  position:fixed;right:16px;bottom:24px;z-index:120;
  width:44px;height:44px;border-radius:50%;border:1px solid #ece5d2;background:#fff;color:#15171c;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease;
  box-shadow:0 10px 22px rgba(21,23,28,.14);
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{box-shadow:0 14px 28px rgba(21,23,28,.2)}

@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .62s ease,transform .62s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:1024px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid #ece5d2;border-radius:16px;padding:10px;
    box-shadow:0 20px 44px rgba(21,23,28,.16);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px;font-size:14.5px}
  .nav-cta{display:none}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .studio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .help-channels{grid-template-columns:repeat(2,minmax(0,1fr))}
  .match-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .join-panel{grid-template-columns:1fr;padding:34px 26px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:760px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .hero{padding:56px 0 44px}
  .section{padding:48px 0}
  .grid-2,.grid-3,.grid-4,.studio-grid,.steps,.price-grid,.help-channels,.form-row,.contact-list{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .score-bar{padding:22px 20px}
  .score-num{font-size:38px}
  .form{padding:20px}
  .join-panel{padding:28px 20px;border-radius:20px}
  .footer-top{grid-template-columns:1fr}
  .news-item{align-items:flex-start}
  .news-item em{margin-left:0;display:none}
  .faq-q{font-size:14.3px;padding:15px 16px}
  .faq-a p{padding:0 16px 16px}
}