:root{
  --ink:#141a2d;
  --ink2:#3d4761;
  --muted:#6b7590;
  --line:#e6e9f5;
  --brand:#5142e0;
  --cyan:#12c2d6;
  --violet:#8b5cf6;
  --pink:#ec4899;
  --amber:#f59e0b;
  --shadow-s:0 4px 14px rgba(30,40,90,.06);
  --shadow-m:0 16px 38px rgba(30,40,90,.10);
  --r:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink2);
  background:#ffffff;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{color:var(--ink);line-height:1.35;margin:0;letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.4vw,50px);font-weight:800;}
h2{font-size:clamp(23px,3vw,34px);font-weight:700;margin-bottom:14px;}
h3{font-size:18px;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:#4a3fd6;text-decoration:none;}
.container{width:min(1180px,100% - 40px);margin-left:auto;margin-right:auto;}
@media (max-width:640px){.container{width:min(1180px,100% - 28px);}}

/* ---------- 通用组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:#5b53d6;margin:0 0 12px;
}
.eyebrow::before{
  content:"";width:22px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));
}
.section{position:relative;padding:76px 0;overflow:hidden;}
.section-soft{background:linear-gradient(180deg,#f7f8fe 0%,#ffffff 100%);}
.section-head{text-align:center;max-width:820px;margin:0 auto 44px;}
.section-head .eyebrow{justify-content:center;}
.section-sub{color:var(--muted);font-size:16px;margin:0 auto;max-width:720px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(120deg,#3b3ad4,#6b46e5 55%,#a844d9);
  color:#ffffff;box-shadow:0 12px 28px rgba(83,66,224,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(83,66,224,.36);}
.btn-ghost{
  background:#ffffff;color:#26294a;border-color:#dcdfef;box-shadow:var(--shadow-s);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:#b9bdf0;box-shadow:var(--shadow-m);}
.reveal{transition-delay:var(--d,0s);}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.js .reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(230,233,245,.9);
}
.nav-wrap{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{display:inline-flex;align-items:center;flex:0 0 auto;}
.ai-page-logo{max-height:40px;width:auto;max-width:100%;object-fit:contain;}
.nav{display:flex;align-items:center;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{
  display:block;padding:9px 8px;font-size:13.5px;font-weight:500;
  color:var(--ink2);border-radius:9px;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:#1b1f3b;background:rgba(81,66,224,.08);}
.nav-cta{padding:10px 22px;font-size:14px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:11px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#2b3050;transition:transform .28s ease,opacity .28s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.rainbow-line{height:3px;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink),var(--amber));background-size:200% 100%;animation:slideLine 9s linear infinite;}
@keyframes slideLine{0%{background-position:0% 50%;}100%{background-position:200% 50%;}}

@media (max-width:1120px){
  .nav-toggle{display:inline-flex;}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(20,30,80,.10);padding:8px 0 14px;
  }
  .nav.open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;padding:0 18px;}
  .nav-links a{padding:13px 6px;font-size:15px;border-bottom:1px solid #f1f2f9;border-radius:0;}
  .nav-links li:last-child a{border-bottom:none;}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:92px 0 78px;}
.hero::before{
  content:"";position:absolute;inset:-45% -22% auto -22%;height:130%;
  background:
    radial-gradient(42% 42% at 16% 24%,rgba(18,194,214,.20),transparent 72%),
    radial-gradient(42% 42% at 80% 16%,rgba(139,92,246,.20),transparent 72%),
    radial-gradient(46% 46% at 56% 92%,rgba(236,72,153,.14),transparent 74%);
  filter:blur(4px);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;text-align:center;}
.hero-inner .eyebrow{justify-content:center;}
.hero h1{margin-bottom:22px;}
.hero-lead{
  font-size:clamp(15px,1.6vw,17.5px);color:var(--ink2);
  max-width:780px;margin:0 auto 34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:36px 0 0;
}
.hero-tags li{
  position:relative;font-size:13px;color:#3d4761;background:#ffffff;
  border:1px solid var(--line);padding:7px 17px 7px 28px;border-radius:999px;
  box-shadow:var(--shadow-s);
}
.hero-tags li::before{
  content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}

/* ---------- 数据指标 ---------- */
.stats{padding:0 0 22px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stats-grid li{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:24px 22px;box-shadow:var(--shadow-s);
  transition:transform .3s ease,box-shadow .3s ease;
}
.stats-grid li::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));
}
.stats-grid li:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.stats-grid strong{display:block;font-size:32px;line-height:1.2;color:#161c33;letter-spacing:-.02em;}
.stats-grid span{font-size:14px;color:var(--muted);}
@media (max-width:860px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid strong{font-size:27px;}
}

/* ---------- 关于我们 ---------- */
.about-head{max-width:860px;margin:0 auto 40px;text-align:center;}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.cap-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:26px 24px;box-shadow:var(--shadow-s);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#d6d9f0;}
.cap-card::after{
  content:"";position:absolute;left:24px;bottom:0;width:34px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));
  transition:width .35s ease;
}
.cap-card:hover::after{width:64px;}
.cap-card h3{margin-bottom:10px;font-size:17px;}
.cap-card p{font-size:14.5px;color:var(--muted);}
@media (max-width:900px){.cap-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.cap-grid{grid-template-columns:1fr;}}

/* ---------- 服务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.svc-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:28px 24px 24px;box-shadow:var(--shadow-s);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));
  transform:scaleX(0);transform-origin:left;transition:transform .38s ease;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:#d6d9f0;}
.svc-card:hover::before{transform:scaleX(1);}
.svc-card h3{margin-bottom:10px;font-size:17px;}
.svc-card p{font-size:14.5px;color:var(--muted);}
@media (max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.svc-grid{grid-template-columns:1fr;}}

/* ---------- 一站式制作 ---------- */
.make-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.make-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .3s ease,box-shadow .3s ease;
}
.make-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.media{
  display:block;width:100%;aspect-ratio:16/10;
  background:linear-gradient(135deg,#f2f3fd,#eef8fb);
  overflow:hidden;
}
.media img{width:100%;height:100%;object-fit:contain;display:block;}
.make-body{padding:22px 22px 24px;}
.make-body h3{margin-bottom:10px;font-size:17px;}
.make-body p{font-size:14.5px;color:var(--muted);}
@media (max-width:900px){.make-grid{grid-template-columns:1fr;}}

.tag-cloud{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.tag-cloud li{
  font-size:13px;color:#3d4761;background:#fff;border:1px solid var(--line);
  padding:6px 15px;border-radius:999px;box-shadow:var(--shadow-s);
  transition:transform .25s ease,border-color .25s ease,color .25s ease;
}
.tag-cloud li:hover{transform:translateY(-2px);border-color:#c5c9ef;color:#2c2f63;}

/* ---------- 行业方案 ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px;
  box-shadow:var(--shadow-s);transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;gap:10px;
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.sol-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;font-size:14px;font-weight:700;color:#4a3fd6;
  background:linear-gradient(135deg,rgba(18,194,214,.16),rgba(139,92,246,.18));
}
.sol-card h3{font-size:17px;}
.sol-card p{font-size:14.5px;color:var(--muted);}
@media (max-width:900px){.sol-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.sol-grid{grid-template-columns:1fr;}}

/* ---------- 流程时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;}
.timeline li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:26px 20px 22px;box-shadow:var(--shadow-s);
  transition:transform .3s ease,box-shadow .3s ease;
}
.timeline li:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.tl-step{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#4a3fd6;background:rgba(81,66,224,.09);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.timeline h3{font-size:16px;margin-bottom:8px;}
.timeline p{font-size:14px;color:var(--muted);}
@media (max-width:980px){.timeline{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.timeline{grid-template-columns:1fr;}}

/* ---------- 服务网络 ---------- */
.network-box{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-s);padding:38px 34px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:start;
}
.network-box h2{margin-bottom:12px;}
.network-box .eyebrow{margin-bottom:10px;}
.network-desc{font-size:15px;color:var(--muted);}
.net-list{display:flex;flex-direction:column;gap:14px;}
.net-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border:1px solid #eef0fa;border-radius:13px;background:#fafbff;
}
.net-list strong{color:#1b2140;font-size:15px;display:block;margin-bottom:2px;}
.net-list span{font-size:14px;color:var(--muted);}
.net-dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:50%;margin-top:7px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}
@media (max-width:880px){.network-box{grid-template-columns:1fr;padding:30px 24px;gap:26px;}}

/* ---------- 案例中心 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.case-card .media{aspect-ratio:16/9;}
.case-body{padding:20px 22px 24px;}
.case-body h3{font-size:17px;margin-bottom:8px;}
.case-body p{font-size:14.5px;color:var(--muted);}
@media (max-width:700px){.case-grid{grid-template-columns:1fr;}}

/* ---------- 对比评测 ---------- */
.compare-top{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch;margin-bottom:26px;
}
.score-card{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#ffffff,#f6f6ff 70%);
  border:1px solid var(--line);border-radius:20px;padding:34px 30px;
  box-shadow:var(--shadow-s);text-align:center;
}
.score-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink),var(--amber));
}
.score-num{font-size:58px;font-weight:800;line-height:1.05;color:#1a1d3a;letter-spacing:-.03em;}
.score-num span{font-size:19px;font-weight:600;color:var(--muted);margin-left:6px;letter-spacing:0;}
.score-stars{font-size:22px;letter-spacing:5px;color:#f59e0b;margin:10px 0 6px;}
.score-level{font-size:15px;font-weight:700;color:#4a3fd6;margin-bottom:12px;}
.score-desc{font-size:14px;color:var(--muted);}
.compare-points{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 28px;
  box-shadow:var(--shadow-s);
}
.compare-points h3{font-size:18px;margin-bottom:16px;}
.point-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;}
.point-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}
@media (max-width:900px){
  .compare-top{grid-template-columns:1fr;}
  .point-list{grid-template-columns:1fr;}
}
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-s);
}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px;}
thead th{
  background:linear-gradient(180deg,#f7f8ff,#f0f2ff);
  color:#1b2140;font-weight:700;text-align:left;padding:15px 18px;
  border-bottom:1px solid #e6e9f5;white-space:nowrap;
}
thead th:nth-child(2){color:#4a3fd6;}
tbody td{padding:14px 18px;border-bottom:1px solid #eef0f8;color:var(--ink2);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#fafbff;}
tbody td:first-child{color:#1b2140;font-weight:600;white-space:nowrap;}
tbody td:nth-child(2){color:#3a34a8;font-weight:600;}
.table-note{margin-top:14px;font-size:13px;color:var(--muted);}

/* ---------- Token 比价 ---------- */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.token-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px;
  box-shadow:var(--shadow-s);transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;gap:10px;
}
.token-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.token-card h3{font-size:17px;}
.token-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:#4a3fd6;
  background:rgba(81,66,224,.09);border-radius:999px;padding:3px 12px;
}
.token-card p{font-size:14.5px;color:var(--muted);}
.join-banner{
  margin-top:26px;
  background:linear-gradient(120deg,#1f2350,#3a2f8f 55%,#5b3ac0);
  border-radius:20px;padding:34px 32px;color:#ffffff;
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  box-shadow:0 18px 40px rgba(45,38,130,.24);
}
.join-banner h3{color:#ffffff;font-size:21px;margin-bottom:8px;}
.join-banner p{font-size:14.5px;color:rgba(255,255,255,.82);max-width:640px;}
.join-banner .btn{background:#ffffff;color:#2b2470;box-shadow:0 10px 24px rgba(0,0,0,.18);}
.join-banner .btn:hover{transform:translateY(-2px);background:#f3f2ff;}
@media (max-width:900px){.token-grid{grid-template-columns:1fr;}}

/* ---------- 用户评论 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;
  box-shadow:var(--shadow-s);display:flex;flex-direction:column;gap:16px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.review-text{font-size:14.5px;color:var(--ink2);}
.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;
  font-size:15px;font-weight:700;color:#ffffff;
  background:linear-gradient(135deg,#12c2d6,#6b46e5);
}
.review-user strong{display:block;font-size:14.5px;color:#1b2140;}
.review-user span{font-size:13px;color:var(--muted);}
@media (max-width:900px){.review-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.review-grid{grid-template-columns:1fr;}}

/* ---------- 文章 / 帮助中心 ---------- */
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.article-item{
  display:flex;align-items:flex-start;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;
  box-shadow:var(--shadow-s);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.article-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#d6d9f0;}
.article-mark{
  flex:0 0 auto;width:6px;height:40px;border-radius:6px;
  background:linear-gradient(180deg,var(--cyan),var(--violet),var(--pink));
}
.article-item h3{font-size:16px;margin-bottom:6px;}
.article-item p{font-size:14px;color:var(--muted);}
@media (max-width:760px){.article-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-s);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:#c9cdf2;box-shadow:var(--shadow-m);}
.faq-item summary{
  position:relative;cursor:pointer;list-style:none;
  padding:17px 52px 17px 20px;font-size:15px;font-weight:600;color:#1b2140;
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;line-height:22px;text-align:center;border-radius:50%;
  border:1px solid #dfe2f3;color:#4a3fd6;font-size:15px;font-weight:700;
  transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-item[open] summary::after{content:"−";background:#4a3fd6;color:#fff;border-color:#4a3fd6;}
.faq-item summary:hover{color:#4a3fd6;}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);}
@media (max-width:820px){.faq-list{grid-template-columns:1fr;}}

/* ---------- 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:24px;align-items:start;}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 30px;
  box-shadow:var(--shadow-s);
}
.contact-card h2{font-size:24px;}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:20px;}
.contact-list li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;}
.contact-label{flex:0 0 92px;color:var(--muted);}
.contact-value{color:#1b2140;font-weight:600;word-break:break-all;}
.qr-row{display:flex;align-items:center;gap:18px;margin-top:26px;padding-top:24px;border-top:1px dashed #e6e9f5;}
.qr-box{
  flex:0 0 auto;width:118px;padding:8px;border-radius:14px;
  border:1px solid var(--line);background:#fafbff;
}
.qr-box img{width:100%;height:auto;display:block;border-radius:8px;}
.qr-text{font-size:14px;color:var(--muted);}
.qr-text strong{display:block;color:#1b2140;font-size:15px;margin-bottom:4px;}

.demand-form{display:flex;flex-direction:column;gap:16px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600;color:#1b2140;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;font-weight:400;color:#1b2140;
  background:#fbfbff;border:1px solid #dfe2f3;border-radius:11px;
  padding:11px 14px;outline:none;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#9aa1b8;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#8f8ce8;background:#fff;box-shadow:0 0 0 3px rgba(81,66,224,.12);
}
.field textarea{resize:vertical;min-height:104px;}
.form-submit{width:100%;margin-top:4px;}
.form-tip{font-size:13px;color:var(--muted);text-align:center;}
@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .contact-card{padding:26px 22px;}
  .contact-list li{flex-direction:column;gap:2px;}
  .contact-label{flex:none;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:#f7f8fd;color:#3d4761;
  border-top:1px solid #e6e9f5;padding:44px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink),var(--amber));
}
.footer-top{
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  padding-bottom:24px;border-bottom:1px solid #e6e9f5;
}
.footer-brand{display:flex;align-items:center;gap:14px;}
.footer-brand p{font-size:14px;color:#5c6580;max-width:520px;}
.footer-links-title{
  font-size:13px;font-weight:700;color:#1b2140;margin:22px 0 12px;letter-spacing:.04em;
}
.friend-links{display:flex;flex-wrap:wrap;gap:9px;}
.friend-links a{
  font-size:13px;color:#3d4761;background:#ffffff;border:1px solid #e6e9f5;
  border-radius:999px;padding:5px 14px;transition:color .22s ease,border-color .22s ease,transform .22s ease;
}
.friend-links a:hover{color:#4a3fd6;border-color:#c9cdf2;transform:translateY(-2px);}
.footer-bottom{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;
  align-items:center;justify-content:space-between;font-size:13px;color:#5c6580;
}
.footer-bottom a{color:#4a3fd6;}
.footer-bottom a:hover{text-decoration:underline;}
.footer-left{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;}

/* ---------- 浮动工具 ---------- */
.float-tools{
  position:fixed;right:18px;bottom:24px;z-index:70;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.float-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:13.5px;font-weight:600;color:#ffffff;cursor:pointer;
  background:linear-gradient(120deg,#3b3ad4,#7a45e0);border:none;border-radius:999px;
  padding:11px 20px;box-shadow:0 12px 26px rgba(83,66,224,.32);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.float-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(83,66,224,.4);}
.float-btn-icon{
  width:44px;height:44px;padding:0;border-radius:50%;
  background:#ffffff;color:#3b3ad4;border:1px solid #dfe2f3;
  box-shadow:0 8px 20px rgba(30,40,90,.12);
  opacity:0;pointer-events:none;
}
.float-btn-icon.show{opacity:1;pointer-events:auto;}
.float-panel{
  display:none;width:214px;background:#ffffff;border:1px solid #e6e9f5;border-radius:16px;
  padding:16px;box-shadow:0 20px 40px rgba(30,40,90,.14);text-align:center;
}
.float-panel.open{display:block;animation:popIn .28s ease;}
@keyframes popIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.float-panel-title{font-size:13.5px;font-weight:700;color:#1b2140;margin-bottom:10px;}
.float-panel img{width:100%;height:auto;border-radius:10px;display:block;border:1px solid #eef0fa;}
.float-panel-tip{font-size:12.5px;color:var(--muted);margin-top:10px;}
.float-panel-line{font-size:12.5px;color:#3d4761;margin-top:6px;font-weight:600;}
@media (max-width:520px){
  .float-tools{right:12px;bottom:16px;}
  .float-btn{padding:10px 16px;font-size:13px;}
}