:root{
  --ink:#141a33;
  --ink-2:#4d566f;
  --ink-3:#7b839c;
  --line:rgba(20,26,51,.08);
  --brand:#4f46e5;
  --brand-deep:#3f37c9;
  --brand-2:#06b6d4;
  --radius:18px;
  --shadow:0 14px 34px rgba(32,45,90,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  line-height:1.65;
  background-color:#f7f8fd;
  background-image:linear-gradient(180deg,#f3f5ff 0%,#f8f9fe 24%,#f5f9fd 56%,#f7f5ff 82%,#f4f6fd 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
h1,h2,h3,p,ul,ol,figure,figcaption{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand-deep);}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:86px;}

/* ---------- 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:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(120deg,#4f46e5 0%,#2563eb 55%,#06b6d4 100%);
  color:#fff;box-shadow:0 12px 26px rgba(79,70,229,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(79,70,229,.34);}
.btn-ghost{
  background:#fff;color:#3b3f5c;border-color:rgba(20,26,51,.14);
  box-shadow:0 6px 18px rgba(32,45,90,.06);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(79,70,229,.4);color:var(--brand-deep);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:68px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;flex:0 0 auto;text-decoration:none;}
.brand .ai-page-logo{max-height:38px;width:auto;display:block;}
.primary-nav{margin-left:auto;position:relative;}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none;}
.nav-links a{
  display:block;padding:8px 11px;font-size:14px;color:var(--ink-2);
  text-decoration:none;border-radius:9px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--brand-deep);background:rgba(79,70,229,.08);}
.header-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;color:#fff;
  text-decoration:none;background:linear-gradient(120deg,#4f46e5,#2563eb 60%,#06b6d4);
  box-shadow:0 8px 18px rgba(79,70,229,.22);
  transition:transform .2s ease,box-shadow .25s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(79,70,229,.28);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:38px;border-radius:11px;border:1px solid rgba(20,26,51,.12);
  background:#fff;cursor:pointer;padding:0;font-family:inherit;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:rgba(79,70,229,.4);}
.nav-toggle span{
  position:relative;display:block;width:18px;height:2px;border-radius:2px;background:#3b3f5c;
  transition:background .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:#3b3f5c;
  transition:transform .22s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:62px 0 70px;}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;
}
.hero::before{
  width:460px;height:460px;left:-120px;top:-140px;
  background:radial-gradient(circle,rgba(99,102,241,.55),rgba(99,102,241,0) 70%);
  animation:floatA 14s ease-in-out infinite;
}
.hero::after{
  width:520px;height:520px;right:-160px;top:-60px;
  background:radial-gradient(circle,rgba(6,182,212,.45),rgba(6,182,212,0) 70%);
  animation:floatB 17s ease-in-out infinite;
}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(24px,26px,0);}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(-28px,20px,0);}}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:#3f37c9;background:rgba(79,70,229,.09);border:1px solid rgba(79,70,229,.18);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:linear-gradient(120deg,#4f46e5,#06b6d4);
}
.hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.14;letter-spacing:-.01em;font-weight:800;color:#111834;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand-deep);}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags li{
  font-size:13px;color:#3d4considered;
}
.hero-tags li{
  font-size:13px;color:#3d4566;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 13px;box-shadow:0 4px 12px rgba(32,45,90,.05);
  transition:transform .2s ease,border-color .2s ease,color .2s ease;
}
.hero-tags li:hover{transform:translateY(-2px);border-color:rgba(79,70,229,.35);color:var(--brand-deep);}
.hero-panel{
  position:relative;padding:26px;border-radius:26px;
  background:linear-gradient(150deg,rgba(255,255,255,.95),rgba(240,244,255,.92));
  border:1px solid rgba(79,70,229,.14);
  box-shadow:0 26px 60px rgba(46,58,120,.13);
}
.hero-panel::after{
  content:"";position:absolute;inset:0;border-radius:26px;pointer-events:none;
  background:linear-gradient(130deg,rgba(79,70,229,.10),rgba(6,182,212,.06) 55%,rgba(168,85,247,.08));
  opacity:.7;
}
.hero-panel-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px;
  box-shadow:0 8px 22px rgba(32,45,90,.06);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(32,45,90,.12);}
.stat-num{
  display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;
  color:var(--brand-deep);line-height:1.2;margin-bottom:4px;
}
.stat-label{display:block;font-size:13px;color:var(--ink-2);}

/* ---------- 区块通用 ---------- */
.section{padding:66px 0;}
.section-soft{background:rgba(255,255,255,.62);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:34px;}
.section-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:#3f37c9;background:rgba(79,70,229,.09);
  border:1px solid rgba(79,70,229,.16);margin-bottom:13px;
}
.section-head h2{
  font-size:clamp(23px,2.6vw,32px);line-height:1.3;font-weight:800;color:#131a36;margin-bottom:12px;
}
.section-desc{font-size:15.5px;color:var(--ink-2);}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-items:stretch;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch;}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 42px rgba(32,45,90,.13);
  border-color:rgba(79,70,229,.26);
}
.card h3{font-size:17px;font-weight:700;color:#1a2140;margin-bottom:9px;}
.card p{font-size:14.5px;color:var(--ink-2);}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:34px;padding:0 10px;border-radius:11px;
  font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(130deg,#4f46e5,#06b6d4);
  box-shadow:0 8px 16px rgba(79,70,229,.22);
}
.badge-soft{
  background:rgba(79,70,229,.1);color:var(--brand-deep);box-shadow:none;
}

/* ---------- 关于我们 ---------- */
.about-lead{
  font-size:15.5px;color:var(--ink-2);margin-bottom:26px;max-width:900px;
}
.feature-item{
  background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;
  box-shadow:0 8px 22px rgba(32,45,90,.055);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-item:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(32,45,90,.11);border-color:rgba(79,70,229,.24);}
.feature-item h3{font-size:15.5px;font-weight:700;color:#1a2140;margin-bottom:6px;}
.feature-item p{font-size:13.8px;color:var(--ink-2);}

/* ---------- 一站式制作 ---------- */
.studio-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:26px;}
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(32,45,90,.13);}
.media-frame{border-radius:13px;overflow:hidden;background:#eef1fb;}
.media-frame img{display:block;width:100%;height:auto;}
.media-card figcaption{font-size:13.8px;color:var(--ink-2);padding:12px 4px 2px;}
.studio-points{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.point-item{
  background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:14px;padding:16px;
  font-size:13.8px;color:var(--ink-2);
  transition:transform .25s ease,border-color .25s ease;
}
.point-item strong{display:block;font-size:14.6px;color:#1a2140;margin-bottom:5px;}
.point-item:hover{transform:translateY(-3px);border-color:rgba(79,70,229,.3);}

/* ---------- 流程 ---------- */
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  box-shadow:0 10px 26px rgba(32,45,90,.06);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(32,45,90,.12);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;font-size:15px;font-weight:800;color:#fff;
  background:linear-gradient(130deg,#4f46e5,#06b6d4);
  box-shadow:0 8px 18px rgba(79,70,229,.24);margin-bottom:13px;
}
.step-card h3{font-size:16px;font-weight:700;color:#1a2140;margin-bottom:7px;}
.step-card p{font-size:14px;color:var(--ink-2);}

/* ---------- 案例 ---------- */
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(32,45,90,.14);}
.case-media{aspect-ratio:4/3;background:#eef1fb;overflow:hidden;}
.case-media img{display:block;width:100%;height:100%;object-fit:cover;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16.5px;font-weight:700;color:#1a2140;margin-bottom:7px;}
.case-body p{font-size:14px;color:var(--ink-2);}

/* ---------- 对比评测 ---------- */
.review-layout{display:grid;grid-template-columns:.78fr 2.22fr;gap:22px;align-items:start;}
.score-card{
  background:linear-gradient(160deg,#ffffff,#eef2ff 60%,#e8f7fb);
  border:1px solid rgba(79,70,229,.18);border-radius:20px;padding:26px 22px;
  box-shadow:0 18px 40px rgba(46,58,120,.12);text-align:center;
}
.score-label{font-size:13px;font-weight:700;letter-spacing:.08em;color:#3f37c9;margin-bottom:10px;}
.score-num{
  font-size:56px;line-height:1;font-weight:800;letter-spacing:-.03em;color:#2b2a66;
}
.score-max{font-size:13.5px;color:var(--ink-2);margin-top:6px;}
.score-stars{font-size:19px;color:#f0a020;letter-spacing:4px;margin:14px 0 8px;}
.score-tag{
  display:inline-block;font-size:13px;font-weight:700;color:#1f7a4d;
  background:rgba(31,122,77,.1);border:1px solid rgba(31,122,77,.22);
  border-radius:999px;padding:5px 14px;
}
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table thead th{
  background:#f1f3fd;color:#2a3050;font-size:13.5px;font-weight:700;
  letter-spacing:.02em;white-space:nowrap;
}
.compare-table tbody th{font-weight:600;color:#242b45;background:#fafaff;white-space:nowrap;}
.compare-table tbody td{color:var(--ink-2);}
.compare-table .col-highlight{background:rgba(79,70,229,.07);color:#2b2a66;font-weight:600;}
.compare-table thead .col-highlight{background:#e5e6ff;color:#2b2a66;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none;}

/* ---------- 评论 ---------- */
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(32,45,90,.13);border-color:rgba(79,70,229,.24);}
.review-quote{
  font-size:14.6px;color:#333a58;line-height:1.72;
}
.review-meta{display:flex;align-items:center;gap:11px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(130deg,#4f46e5,#06b6d4);
}
.avatar.alt{background:linear-gradient(130deg,#a855f7,#ec4899);}
.avatar.alt2{background:linear-gradient(130deg,#0ea5e9,#22c55e);}
.review-name{font-size:14px;font-weight:700;color:#1a2140;line-height:1.3;}
.review-role{font-size:12.6px;color:var(--ink-3);line-height:1.4;}

/* ---------- 需求匹配 ---------- */
.match-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.match-card{
  display:block;text-decoration:none;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  box-shadow:0 10px 26px rgba(32,45,90,.06);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.match-card:hover{
  transform:translateY(-4px);border-color:rgba(79,70,229,.35);
  box-shadow:0 18px 36px rgba(32,45,90,.13);
  background:linear-gradient(150deg,#ffffff,#f2f4ff);
}
.match-card h3{font-size:16px;font-weight:700;color:#1a2140;margin-bottom:7px;}
.match-card p{font-size:13.8px;color:var(--ink-2);margin-bottom:10px;}
.match-go{font-size:13px;font-weight:700;color:var(--brand-deep);}

/* ---------- 加盟 ---------- */
.partner-layout{
  display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:center;
}
.partner-card{
  background:linear-gradient(140deg,#ffffff,#eef2ff 70%,#e9f8fb);
  border:1px solid rgba(79,70,229,.16);border-radius:22px;padding:28px;
  box-shadow:0 18px 44px rgba(46,58,120,.11);
}
.partner-card h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;color:#131a36;margin-bottom:12px;}
.partner-card p{font-size:15px;color:var(--ink-2);margin-bottom:18px;}
.partner-list{display:grid;gap:10px;margin-bottom:22px;}
.partner-list li{
  position:relative;padding-left:24px;font-size:14.5px;color:#333a58;
}
.partner-list li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(130deg,#4f46e5,#06b6d4);
}
.partner-stat{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;
  box-shadow:var(--shadow);text-align:center;
}
.partner-stat strong{display:block;font-size:30px;font-weight:800;color:var(--brand-deep);line-height:1.2;margin-bottom:6px;}
.partner-stat span{font-size:13.6px;color:var(--ink-2);}

/* ---------- 帮助 / 百科 ---------- */
.help-card h3{font-size:16px;font-weight:700;color:#1a2140;margin-bottom:8px;}
.help-card p{font-size:14px;color:var(--ink-2);}
.wiki-card{
  background:#fff;border-left:3px solid rgba(79,70,229,.6);border-radius:14px;
  padding:18px 20px;box-shadow:0 8px 22px rgba(32,45,90,.06);
  transition:transform .25s ease,box-shadow .25s ease;
}
.wiki-card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(32,45,90,.11);}
.wiki-card h3{font-size:15.5px;font-weight:700;color:#1a2140;margin-bottom:6px;}
.wiki-card p{font-size:14px;color:var(--ink-2);}

/* ---------- 资讯 ---------- */
.news-list{display:grid;gap:12px;}
.news-item{
  display:block;text-decoration:none;background:#fff;border:1px solid var(--line);
  border-radius:15px;padding:18px 20px;box-shadow:0 8px 22px rgba(32,45,90,.055);
  transition:transform .22s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(79,70,229,.3);box-shadow:0 14px 30px rgba(32,45,90,.1);}
.news-title{display:block;font-size:15.4px;font-weight:700;color:#1a2140;margin-bottom:5px;}
.news-desc{display:block;font-size:13.8px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:15px;
  box-shadow:0 8px 22px rgba(32,45,90,.055);overflow:hidden;
  transition:border-color .22s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(79,70,229,.3);box-shadow:0 14px 30px rgba(32,45,90,.1);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 48px 17px 20px;position:relative;
  font-size:15.2px;font-weight:600;color:#1a2140;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;
  border-right:2px solid #6b74a0;border-bottom:2px solid #6b74a0;
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-25%) rotate(-135deg);}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-answer{padding:0 20px 18px;font-size:14.4px;color:var(--ink-2);}

/* ---------- 联系我们 ---------- */
.contact-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;
  box-shadow:0 16px 40px rgba(32,45,90,.09);
}
.form-card h2{font-size:22px;font-weight:800;color:#131a36;margin-bottom:8px;}
.form-intro{font-size:14.2px;color:var(--ink-2);margin-bottom:20px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.4px;font-weight:600;color:#333a58;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.4px;color:#1c2340;
  background:#f9faff;border:1px solid rgba(20,26,51,.12);border-radius:12px;
  padding:11px 14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(79,70,229,.55);background:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.1);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.6;}
.form-submit{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.form-hint{font-size:12.8px;color:var(--ink-3);}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;
  box-shadow:var(--shadow);
}
.contact-card h3{font-size:17px;font-weight:700;color:#1a2140;margin-bottom:14px;}
.contact-list{display:grid;gap:11px;margin-bottom:20px;}
.contact-list li{font-size:14.2px;color:var(--ink-2);display:flex;gap:10px;flex-wrap:wrap;}
.contact-list strong{color:#1a2140;font-weight:700;flex:0 0 auto;}
.qr-box{
  display:flex;align-items:center;gap:16px;padding:14px;border-radius:15px;
  background:#f8f9ff;border:1px solid var(--line);
}
.qr-box img{display:block;width:110px;height:auto;border-radius:10px;background:#fff;}
.qr-text{font-size:13.4px;color:var(--ink-2);}
.qr-text b{display:block;font-size:14.2px;color:#1a2140;margin-bottom:4px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:8px;background:#eceffb;color:#2a3050;
  border-top:1px solid rgba(20,26,51,.08);padding:36px 0 22px;
}
.footer-top{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;padding-bottom:24px;border-bottom:1px solid rgba(20,26,51,.09);}
.footer-name{font-size:18px;font-weight:800;color:#1a2140;margin-bottom:8px;}
.footer-desc{font-size:13.8px;color:#414a6b;max-width:420px;}
.footer-title{font-size:13.4px;font-weight:700;color:#1a2140;margin-bottom:11px;letter-spacing:.04em;}
.link-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.link-cloud a{
  font-size:13px;color:#3f37c9;text-decoration:none;background:#fff;
  border:1px solid rgba(20,26,51,.1);border-radius:8px;padding:5px 11px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.link-cloud a:hover{transform:translateY(-2px);border-color:rgba(79,70,229,.4);box-shadow:0 8px 16px rgba(32,45,90,.1);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:18px;font-size:13px;color:#414a6b;
}
.footer-meta{display:flex;flex-wrap:wrap;gap:14px;}
.footer-meta a{font-size:13px;color:#3f37c9;text-decoration:none;}
.footer-meta a:hover{text-decoration:underline;}

/* ---------- 浮动按钮 ---------- */
.float-stack{
  position:fixed;right:16px;bottom:16px;z-index:70;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(20,26,51,.1);
  background:#fff;color:#3f37c9;font-size:13px;font-weight:700;font-family:inherit;
  display:flex;align-items:center;justify-content:center;text-align:center;line-height:1.1;
  text-decoration:none;cursor:pointer;padding:0;
  box-shadow:0 10px 24px rgba(32,45,90,.16);
  transition:transform .22s ease,box-shadow .25s ease,opacity .25s ease,visibility .25s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(32,45,90,.22);}
.to-top{opacity:0;visibility:hidden;transform:translateY(10px);}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

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

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;order:2;}
  .header-cta{order:3;}
  .primary-nav{order:2;margin-left:auto;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 20px 18px;box-shadow:0 20px 34px rgba(32,45,90,.12);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 8px;border-radius:10px;font-size:14.5px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-panel{max-width:560px;}
  .review-layout{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .partner-layout{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .studio-points{grid-template-columns:repeat(2,1fr);}
  .match-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .studio-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:22px;}
}
@media (max-width:680px){
  .section{padding:52px 0;}
  .hero{padding:44px 0 54px;}
  .grid-3,.grid-2,.grid-4,.match-grid,.studio-points{grid-template-columns:1fr;}
  .hero-panel{padding:18px;}
  .hero-panel-inner{gap:10px;}
  .stat-card{padding:15px 13px;}
  .stat-num{font-size:22px;}
  .form-grid{grid-template-columns:1fr;}
  .header-cta{padding:8px 14px;font-size:13px;}
  .brand .ai-page-logo{max-height:32px;}
  .float-btn{width:44px;height:44px;font-size:12px;}
  .card,.form-card,.contact-card,.partner-card{padding:20px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}