/* 艾米智创 · 艾米销冠AI 官网样式
   主色 #FF6800  辅助 #048C87  深底 #14181F */

:root{
  --orange:#FF6800;
  --orange-d:#E45C00;
  --teal:#048C87;
  --ink:#14181F;
  --ink-2:#2A313C;
  --gray:#5B6472;
  --line:#E8EAEE;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --radius:14px;
  --shadow:0 10px 30px rgba(20,24,31,.08);
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.3;font-weight:700}
h1{font-size:44px;letter-spacing:-.5px}
h2{font-size:34px;letter-spacing:-.3px}
h3{font-size:20px}
p{margin:0 0 14px;color:var(--gray)}
ul{margin:0 0 14px;padding-left:20px}
li{margin:6px 0;color:var(--gray)}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:56px 0}
.center{text-align:center}
.lead{font-size:18px;color:var(--gray);max-width:760px}
.center .lead{margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--orange);
  letter-spacing:1.5px;margin-bottom:10px;
}
.eyebrow--teal{color:var(--teal)}

/* header */
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;white-space:nowrap}
.brand img{width:34px;height:34px;border-radius:8px;object-fit:cover}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{font-size:15px;color:var(--ink-2);padding:6px 0;position:relative}
.nav a:hover{color:var(--orange)}
.nav a.active{color:var(--orange)}
.nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--orange);border-radius:2px;
}
.header__cta{display:flex;gap:10px;align-items:center}
.burger{display:none;margin-left:auto;background:none;border:0;font-size:22px;cursor:pointer;color:var(--ink)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,104,0,.25)}
.btn--primary:hover{background:var(--orange-d);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn--dark{background:var(--ink);color:#fff}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

/* hero */
.hero{
  background:
    radial-gradient(900px 460px at 82% -12%, rgba(255,104,0,.26), transparent 62%),
    radial-gradient(760px 420px at 6% 8%, rgba(4,180,170,.26), transparent 62%),
    linear-gradient(135deg, #071A3A 0%, #0C2452 46%, #0E2E67 100%);
  color:#fff;padding:96px 0 76px;position:relative;overflow:hidden;
}
.hero h1{color:#fff;font-size:50px;line-height:1.18}
.hero h1 .h1-or{color:var(--orange)}
.hero .lead{color:rgba(255,255,255,.78)}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:#fff;margin-bottom:18px;
}
.hero__badge i{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero__note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero__card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:18px;padding:22px;
}
.hero__card h4{color:#fff;font-size:15px;margin-bottom:14px;opacity:.9}
.mini{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mini div{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  border-radius:10px;padding:10px 12px;font-size:13px;color:rgba(255,255,255,.82);
}
.mini b{color:var(--orange);font-size:12px;margin-right:6px}

/* grids & cards */
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.2s;
}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#fff}
.card__no{
  width:34px;height:34px;border-radius:10px;background:rgba(255,104,0,.1);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-bottom:14px;
}
.card__no--teal{background:rgba(4,140,135,.1);color:var(--teal)}
.card h3{font-size:18px}
.card p{margin:0;font-size:15px}

/* steps strip */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  display:flex;gap:12px;align-items:flex-start;
}
.step span{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.step p{margin:0;font-size:14px;color:var(--ink-2);font-weight:600}

/* table */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.table th,.table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.table th{background:var(--bg-soft);font-weight:700;color:var(--ink)}
.table tr:last-child td{border-bottom:0}
.table td{color:var(--gray)}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.field label em{color:var(--orange);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,104,0,.12);
}
.field textarea{min-height:96px;resize:vertical}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--gray)}
.check input{margin-top:4px}
.form__tip{font-size:13px;color:var(--gray);margin-top:12px}
.form__msg{margin-top:14px;font-size:14px;padding:10px 14px;border-radius:10px;display:none}
.form__msg.ok{display:block;background:rgba(4,140,135,.1);color:var(--teal)}
.form__msg.err{display:block;background:rgba(255,104,0,.1);color:var(--orange-d)}

/* contact blocks */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);color:var(--ink-2)}
.info-list b{color:var(--ink);min-width:78px;font-weight:700}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center;box-shadow:var(--shadow)}
.qr-card img{width:190px;margin:0 auto 12px;border-radius:10px}
.qr-card p{font-size:13px;margin:0}

/* cta band */
.band{
  background:linear-gradient(120deg,var(--orange),#FF8A3D);
  color:#fff;border-radius:20px;padding:44px;display:flex;align-items:center;gap:32px;justify-content:space-between;
}
.band h2{color:#fff;margin:0 0 8px}
.band p{color:rgba(255,255,255,.9);margin:0}
.band .btn--ghost{background:#fff;border-color:#fff;color:var(--orange-d)}

/* footer */
.footer{background:var(--ink);color:rgba(255,255,255,.7);padding:56px 0 28px;font-size:14px}
.footer a:hover{color:var(--orange)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:8px 0}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:12px}
.footer__brand img{width:32px;height:32px;border-radius:8px}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;gap:16px;
  justify-content:space-between;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* page header */
.page-head{background:var(--bg-soft);padding:64px 0 48px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:40px}
.page-head .lead{margin-bottom:0}

/* faq */
.faq{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;list-style:none;display:flex;justify-content:space-between}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-weight:800}
.faq details[open] summary::after{content:"−"}
.faq .faq__body{padding:0 22px 18px;color:var(--gray);font-size:15px}

/* misc */
.notice{background:rgba(4,140,135,.07);border-left:3px solid var(--teal);padding:14px 18px;border-radius:8px;font-size:14px;color:var(--ink-2)}
.mt-32{margin-top:32px}.mt-48{margin-top:48px}.mb-0{margin-bottom:0}

/* responsive */
@media (max-width:980px){
  .hero__grid,.contact-grid,.grid--4,.grid--3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  h1{font-size:38px}.hero h1{font-size:40px}h2{font-size:28px}
}
@media (max-width:720px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:10px 24px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .header__cta .btn{display:none}
  .burger{display:block}
  .hero{padding:64px 0 56px}
  .hero__grid,.grid--2,.grid--3,.grid--4,.steps,.form__row,.contact-grid,.footer__grid{grid-template-columns:1fr}
  h1{font-size:32px}.hero h1{font-size:33px}h2{font-size:25px}
  .section{padding:56px 0}
  .band{flex-direction:column;text-align:center;padding:32px}
}

/* ============ 图片与视觉模块 ============ */
.hero__figure{margin:0}
.hero__visual{width:100%;height:auto;display:block;border-radius:18px}

.flow-wrap{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding:6px 0 12px;margin-top:36px}
.flow-wrap img{min-width:940px;width:100%;height:auto;display:block}

.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.shot{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(20,24,31,.06);transition:.25s}
.shot:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(20,24,31,.12)}
.shot img{width:100%;display:block;background:#fff}
.shot__cap{padding:16px 18px;border-top:1px solid var(--line)}
.shot__cap b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.shot__cap span{font-size:13px;color:var(--gray);line-height:1.6}

.card__ic{width:42px;height:42px;margin-bottom:16px;display:block}

.pillrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;
  font-size:13px;padding:7px 14px;border-radius:999px}
.pill--dark{background:rgba(20,24,31,.05);border-color:var(--line);color:var(--ink-2)}

@media (max-width:980px){
  .shots{grid-template-columns:1fr}
  .flow-wrap img{min-width:820px}
}

/* 首屏科技风主视觉 */
.hero__figure img{
  width:100%;height:auto;display:block;border-radius:20px;
  box-shadow:0 30px 60px rgba(3,12,30,.45);
  border:1px solid rgba(120,190,255,.18);
}
/* 深色数据看板区块 */
.section--dark{
  background:linear-gradient(135deg,#071A3A 0%,#0C2452 50%,#0E2E67 100%);
}
.section--dark h2{color:#fff}
.section--dark .eyebrow{color:#FF9E55}
.bandimg{margin-top:40px;border-radius:18px;overflow:hidden;border:1px solid rgba(120,190,255,.18);
  box-shadow:0 24px 60px rgba(3,12,30,.45)}
.bandimg img{width:100%;display:block}
.notice--dark{background:rgba(255,255,255,.06);border-left-color:#FF6800;color:rgba(255,255,255,.72)}

@media (max-width:720px){
  .bandimg{margin-top:24px}
}

/* ============ 内页深色标题区（科技风统一） ============ */
.page-head--dark{
  background:
    radial-gradient(720px 320px at 88% -20%, rgba(255,104,0,.20), transparent 62%),
    radial-gradient(560px 300px at 6% 0%, rgba(4,180,170,.18), transparent 62%),
    linear-gradient(135deg,#071A3A 0%,#0C2452 52%,#0E2E67 100%);
  border-bottom:0;
}
.page-head--dark h1{color:#fff}
.page-head--dark .lead{color:rgba(255,255,255,.76)}
.page-head--dark .eyebrow{color:#FF9E55}
.page-head--dark .eyebrow--teal{color:#4FD6CF}
.page-head--dark .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.page-head--dark .btn--ghost:hover{border-color:#FF6800;color:#FF9E55}

/* ============ 首屏主视觉光效 ============ */
.hero__figure{position:relative;isolation:isolate}
.hero__figure img{position:relative;z-index:1}
.hero__figure::before{
  content:"";position:absolute;inset:-22px;border-radius:32px;z-index:0;
  background:radial-gradient(60% 58% at 50% 46%, rgba(4,190,210,.34), rgba(255,104,0,.10) 55%, transparent 72%);
  filter:blur(22px);
}
@media (prefers-reduced-motion: no-preference){
  .hero__figure::before{animation:heroGlow 7s ease-in-out infinite}
  .hero__figure::after{
    content:"";position:absolute;inset:0;border-radius:20px;z-index:0;pointer-events:none;
    background:linear-gradient(115deg, transparent 30%, rgba(120,210,255,.16) 46%, rgba(255,150,80,.12) 54%, transparent 70%);
    background-size:220% 220%;
    clip-path:inset(0 round 20px);
    opacity:.9;animation:heroSheen 9s ease-in-out infinite;
  }
}
@keyframes heroGlow{0%,100%{opacity:.55;transform:scale(.985)}50%{opacity:1;transform:scale(1.02)}}
@keyframes heroSheen{0%{background-position:0% 0%}50%{background-position:100% 100%}100%{background-position:0% 0%}}

@media (max-width:720px){
  .hero__figure::before{filter:blur(14px);inset:-12px}
  .hero__figure::after{display:none}
}