*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:98px;background:#fff8f2;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:#241708;
  background-color:#fff8f2;
  background-image:
    radial-gradient(880px 520px at 6% -4%, #ffdfc4 0%, rgba(255,223,196,0) 62%),
    radial-gradient(760px 480px at 94% 2%, #ffd2ac 0%, rgba(255,210,172,0) 58%),
    linear-gradient(180deg, #fff8f2 0%, #fff4ea 46%, #fff8f2 100%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;}
a{color:inherit;}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,243,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid #f7e3d2;
}
.nav-bar{position:relative;display:flex;align-items:center;gap:14px;min-height:74px;}
.brand{display:flex;align-items:center;flex-shrink:0;max-width:158px;text-decoration:none;}
.brand img{width:100%;max-width:158px;height:auto;}
.nav-links{display:flex;align-items:center;gap:0;margin-left:auto;}
.nav-links a{
  display:block;padding:9px 10px;font-size:14px;font-weight:600;
  color:#4b3826;text-decoration:none;border-radius:10px;white-space:nowrap;
  transition:color .2s ease, background .2s ease;
}
.nav-links a:hover{color:#d94a00;background:#ffefe1;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  margin-left:8px;padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,#ff8a2b,#ef4b00);color:#fff;
  font-size:14px;font-weight:700;text-decoration:none;
  box-shadow:0 14px 26px -16px rgba(239,75,0,.95);
  transition:transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 20px 32px -16px rgba(239,75,0,.95);}
.nav-cta-inline{display:none;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;margin-left:auto;padding:0;
  border:1px solid #f2ddc9;border-radius:12px;background:#fff;color:#8a3c00;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}

/* ===== 通用区块 ===== */
.section{padding:64px 0;position:relative;}
.section-tint{background:linear-gradient(180deg,rgba(255,236,220,.72),rgba(255,247,240,.35));}
.sec-head{max-width:780px;margin:0 0 38px;}
.sec-head.center{margin:0 auto 38px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:#d94a00;
  background:#fff1e3;border:1px solid #ffdcc0;
  padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(23px,3.2vw,33px);color:#241708;}
.sec-sub{margin-top:14px;color:#6b5642;font-size:16px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-size:16px;font-weight:700;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  font-family:inherit;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{
  background:linear-gradient(135deg,#ff8a2b,#ef4b00);color:#fff;
  box-shadow:0 16px 30px -16px rgba(239,75,0,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 36px -16px rgba(239,75,0,.95);}
.btn-ghost{background:#fff;color:#c73c00;border-color:#ffd3b0;box-shadow:0 10px 24px -20px rgba(196,84,10,.85);}
.btn-ghost:hover{background:#fff5ec;transform:translateY(-2px);}

/* ===== 首屏 ===== */
.hero{padding:58px 0 46px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-200px;right:-140px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,43,.32) 0%,rgba(255,138,43,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;
  color:#c73c00;background:#fff1e3;border:1px solid #ffd9bb;letter-spacing:.5px;
}
.hero h1{
  margin:18px 0 18px;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.24;letter-spacing:-.5px;color:#1f1206;
}
.hero-desc{color:#5c4a3a;font-size:17px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-badges span{
  font-size:13px;font-weight:600;color:#8a3c00;
  background:#fff;border:1px solid #f2ddc9;border-radius:999px;padding:6px 14px;
}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:330px;}
.ring{position:absolute;border-radius:50%;border:1px dashed rgba(240,78,0,.26);}
.ring-1{width:330px;height:330px;animation:spin 32s linear infinite;}
.ring-2{width:230px;height:230px;border-style:solid;border-color:rgba(240,78,0,.16);animation:spin 24s linear infinite reverse;}
.chip-cloud{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  max-width:400px;padding:26px 22px;border-radius:24px;
  background:rgba(255,255,255,.86);border:1px solid #ffdcc0;
  box-shadow:0 26px 50px -30px rgba(169,74,8,.6);
}
.chip-cloud span{
  padding:7px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff3e8;color:#8a3c00;border:1px solid #ffe0c6;
  animation:floaty 6s ease-in-out infinite;
}
.chip-cloud span:nth-child(2n){animation-delay:1.2s;}
.chip-cloud span:nth-child(3n){animation-delay:2.4s;}
.chip-cloud span:nth-child(5n){animation-delay:3.1s;}

.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:46px 0 0;}
.hero-metrics li{
  background:#fff;border:1px solid #f2ddc9;border-radius:16px;padding:18px 20px;
  box-shadow:0 16px 34px -30px rgba(169,74,8,.9);
  transition:transform .22s ease, border-color .22s ease;
}
.hero-metrics li:hover{transform:translateY(-3px);border-color:#ffd3b0;}
.hero-metrics strong{display:block;font-size:22px;color:#e04a00;line-height:1.4;}
.hero-metrics span{font-size:13.5px;color:#6b5642;}

@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}

/* ===== 关于我们 ===== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start;}
.about-text p{color:#4b3826;font-size:15.5px;margin-bottom:16px;}
.about-list{display:grid;gap:12px;margin-top:22px;}
.about-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid #f2ddc9;border-radius:14px;padding:14px 16px;
  font-size:14.5px;color:#4b3826;
  transition:border-color .22s ease, transform .22s ease;
}
.about-list li:hover{border-color:#ffd3b0;transform:translateY(-2px);}
.about-list b{color:#c73c00;white-space:nowrap;}
.about-media{
  border-radius:20px;overflow:hidden;border:1px solid #f2ddc9;
  background:#fff6ee;padding:10px;
  box-shadow:0 26px 50px -36px rgba(169,74,8,.85);
}
.about-media img{width:100%;height:auto;border-radius:14px;}

/* ===== 卡片体系 ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}

.card{
  background:#fff;border:1px solid #f2ddc9;border-radius:18px;padding:26px;
  box-shadow:0 20px 44px -36px rgba(169,74,8,.85);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 28px 50px -32px rgba(169,74,8,.75);border-color:#ffd3b0;}

.s-card .s-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;margin-bottom:16px;
  background:linear-gradient(135deg,#ff8a2b,#ef4b00);color:#fff;
  font-size:18px;font-weight:800;
  box-shadow:0 12px 22px -14px rgba(239,75,0,.95);
}
.s-card h3{font-size:18px;margin-bottom:8px;color:#241708;}
.s-card p{color:#6b5642;font-size:14.5px;}
.s-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.s-tags span{
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:#fff1e3;color:#a8480a;border:1px solid #ffdfc5;
}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.step{
  background:#fff;border:1px solid #f2ddc9;border-radius:16px;padding:22px 18px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:#ffd3b0;box-shadow:0 24px 44px -34px rgba(169,74,8,.85);}
.step .num{display:block;font-size:13px;font-weight:800;color:#e04a00;letter-spacing:1px;}
.step h3{font-size:16px;margin:8px 0 6px;color:#241708;}
.step p{font-size:13.5px;color:#6b5642;}

/* ===== 时间线 ===== */
.timeline{position:relative;display:grid;gap:16px;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#ffb27a,#ffe3cc);border-radius:2px;
}
.t-item{
  position:relative;background:#fff;border:1px solid #f2ddc9;border-radius:16px;padding:20px 22px;
  transition:border-color .22s ease, transform .22s ease;
}
.t-item:hover{border-color:#ffd3b0;transform:translateY(-2px);}
.t-item::before{
  content:"";position:absolute;left:-26px;top:26px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid #ff8a2b;box-shadow:0 0 0 4px rgba(255,138,43,.15);
}
.t-item h3{font-size:16.5px;margin-bottom:6px;color:#241708;}
.t-item p{font-size:14.5px;color:#6b5642;}

/* ===== 案例 ===== */
.case-card{
  background:#fff;border:1px solid #f2ddc9;border-radius:18px;overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:#ffd3b0;box-shadow:0 28px 50px -34px rgba(169,74,8,.85);}
.case-media{
  aspect-ratio:16/11;background:#fff6ee;display:flex;align-items:center;justify-content:center;
  padding:10px;border-bottom:1px solid #f7e7d8;
}
.case-media img{max-width:100%;max-height:100%;width:auto;height:auto;border-radius:10px;}
.case-body{padding:22px;}
.case-body h3{font-size:17px;margin-bottom:8px;color:#241708;}
.case-body p{font-size:14.5px;color:#6b5642;}

/* ===== 评论 ===== */
.review{
  display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid #f2ddc9;border-radius:18px;padding:24px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.review:hover{transform:translateY(-4px);border-color:#ffd3b0;box-shadow:0 26px 48px -34px rgba(169,74,8,.85);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ffb27a,#f04e00);color:#fff;font-size:17px;font-weight:800;
}
.review-name{font-size:15px;font-weight:700;color:#241708;}
.review-role{font-size:13px;color:#8a7458;}
.review-quote{font-size:14.5px;color:#3c2b1b;}

/* ===== 对比评测 ===== */
.score-card{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  background:linear-gradient(135deg,#fff5ec,#ffe9d6);
  border:1px solid #ffd6b4;border-radius:20px;padding:26px 30px;margin-bottom:26px;
}
.score-main{display:flex;align-items:baseline;gap:8px;}
.score-num{font-size:46px;font-weight:800;color:#e04a00;line-height:1;}
.score-num small{font-size:16px;color:#a8480a;font-weight:700;}
.score-meta{display:grid;gap:6px;}
.stars{font-size:20px;letter-spacing:4px;color:#ff8a1f;line-height:1;}
.score-meta p{font-size:14.5px;color:#7a4a1c;}

.table-wrap{
  overflow-x:auto;border:1px solid #f2ddc9;border-radius:18px;background:#fff;
  box-shadow:0 24px 46px -38px rgba(169,74,8,.9);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px;}
thead th{
  background:linear-gradient(135deg,#fff1e4,#ffe6d2);
  color:#8a3c00;font-weight:700;padding:15px 18px;text-align:left;white-space:nowrap;
}
tbody td{padding:14px 18px;border-top:1px solid #f7e7d8;color:#3c2b1b;vertical-align:top;}
tbody tr{transition:background .2s ease;}
tbody tr:hover{background:#fffaf4;}
.col-hi{color:#d94a00;font-weight:700;}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud span{
  font-size:14px;padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid #f2ddc9;color:#5a4128;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.tag-cloud span:hover{background:#fff1e3;border-color:#ffc79b;color:#a8480a;transform:translateY(-2px);}
.model-cloud span{font-size:13px;padding:5px 12px;background:#fff8f2;}
.model-cloud{max-height:none;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid #f2ddc9;border-radius:14px;overflow:hidden;
  transition:border-color .22s ease, box-shadow .22s ease;
}
.faq-item.open{border-color:#ffcba3;box-shadow:0 22px 42px -34px rgba(169,74,8,.9);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:none;cursor:pointer;
  font-family:inherit;font-size:16px;font-weight:700;color:#241708;text-align:left;
}
.faq-q:hover{color:#d94a00;}
.faq-q .chev{flex-shrink:0;width:20px;height:20px;color:#d94a00;transition:transform .3s ease;}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding:0 20px 18px;font-size:15px;color:#6b5642;}

/* ===== AI百科 ===== */
.wiki-item{
  background:#fff;border:1px solid #f2ddc9;border-radius:14px;padding:18px;
  transition:transform .22s ease, border-color .22s ease;
}
.wiki-item:hover{transform:translateY(-3px);border-color:#ffd3b0;}
.wiki-item h3{font-size:15px;color:#d94a00;margin-bottom:6px;}
.wiki-item p{font-size:13.5px;color:#6b5642;}

/* ===== 资讯 ===== */
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid #f2ddc9;border-radius:14px;padding:16px 20px;
  text-decoration:none;transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.news-item:hover{border-color:#ffd0aa;transform:translateY(-2px);box-shadow:0 20px 40px -34px rgba(169,74,8,.85);}
.news-item h3{font-size:15.5px;font-weight:700;color:#241708;}
.news-item span{font-size:13px;color:#d94a00;font-weight:700;white-space:nowrap;}

/* ===== 表单与联系 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:32px;align-items:start;}
.contact-list{display:grid;gap:12px;}
.contact-list li{
  display:flex;align-items:flex-start;gap:12px;
  background:#fff;border:1px solid #f2ddc9;border-radius:14px;padding:14px 16px;
  font-size:14.5px;color:#3c2b1b;
}
.contact-list b{color:#a8480a;min-width:74px;display:inline-block;font-weight:700;}
.qr-box{
  display:flex;gap:16px;align-items:center;margin-top:16px;
  background:#fffaf5;border:1px solid #f2ddc9;border-radius:16px;padding:16px;
}
.qr-box img{max-width:118px;height:auto;border-radius:10px;flex-shrink:0;}
.qr-box p{font-size:14px;color:#5c4a3a;}

.form-card{
  background:#fff;border:1px solid #f2ddc9;border-radius:20px;padding:28px;
  box-shadow:0 26px 50px -38px rgba(169,74,8,.85);
}
.demand-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1 / -1;}
.demand-form label{font-size:14px;font-weight:600;color:#4b3826;}
.demand-form input,
.demand-form select,
.demand-form textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid #efd9c5;background:#fffdfb;color:#241708;
  font-size:15px;font-family:inherit;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.demand-form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#b07a4a 50%),linear-gradient(135deg,#b07a4a 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.demand-form textarea{resize:vertical;min-height:114px;}
.demand-form input:focus,
.demand-form select:focus,
.demand-form textarea:focus{outline:none;border-color:#ff9a4d;box-shadow:0 0 0 3px rgba(255,138,43,.16);}
.demand-form .btn{grid-column:1 / -1;justify-self:start;}

/* ===== 页脚 ===== */
.site-footer{
  background:#fff2e5;border-top:1px solid #f0d8c2;
  padding:52px 0 24px;color:#4b3826;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;}
.foot-brand img{max-width:150px;height:auto;margin-bottom:14px;}
.foot-brand p{font-size:14px;color:#6b5642;max-width:360px;}
.foot-col h3{font-size:15px;color:#3b2a18;margin-bottom:14px;}
.foot-col ul{display:grid;gap:9px;}
.foot-col a{font-size:14px;color:#6b5642;text-decoration:none;transition:color .2s ease;}
.foot-col a:hover{color:#d94a00;}
.foot-friend{margin-top:34px;padding-top:24px;border-top:1px dashed #e8cfb8;}
.foot-friend h3{font-size:15px;color:#3b2a18;margin-bottom:12px;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px;}
.friend-links a{
  font-size:13.5px;color:#6b5642;text-decoration:none;
  background:#fffaf5;border:1px solid #eed9c6;border-radius:999px;padding:6px 14px;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.friend-links a:hover{background:#fff1e3;color:#c73c00;border-color:#ffc79b;}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:24px;padding-top:18px;border-top:1px solid #edd8c4;
  font-size:13px;color:#7a6450;
}

/* ===== 浮动工具 ===== */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;padding:0;border-radius:16px;
  border:1px solid #ffd6b4;background:#fff;color:#c73c00;
  font-size:13px;font-weight:700;font-family:inherit;text-decoration:none;cursor:pointer;
  box-shadow:0 16px 30px -18px rgba(169,74,8,.9);
  transition:transform .2s ease, background .2s ease;
}
.float-btn:hover{background:#fff2e5;transform:translateY(-3px);}

/* ===== 滚动渐入 ===== */
html.js .reveal{opacity:0;transform:translateY(22px);}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease, transform .6s ease;}
html.js .reveal.d1{transition-delay:.06s;}
html.js .reveal.d2{transition-delay:.12s;}
html.js .reveal.d3{transition-delay:.18s;}

@media (prefers-reduced-motion: reduce){
  html.js .reveal{opacity:1;transform:none;}
  .ring,.chip-cloud span{animation:none;}
  html{scroll-behavior:auto;}
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;order:3;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-links{
    order:4;display:none;position:absolute;top:calc(100% + 8px);
    left:0;right:0;flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:10px;background:#fffaf5;border:1px solid #f2ddc9;border-radius:16px;
    box-shadow:0 26px 50px -26px rgba(150,70,10,.5);
    max-height:72vh;overflow:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15px;border-radius:10px;}
  .nav-links .nav-cta-inline{
    display:flex;justify-content:center;margin-top:8px;
    background:linear-gradient(135deg,#ff8a2b,#ef4b00);color:#fff;font-weight:700;
  }
  .nav-links .nav-cta-inline:hover{background:linear-gradient(135deg,#ff8a2b,#ef4b00);color:#fff;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{min-height:260px;order:-1;}
  .hero-metrics{grid-template-columns:repeat(2,1fr);}
  .about-grid{grid-template-columns:1fr;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .foot-brand{grid-column:1 / -1;}
}

@media (max-width:680px){
  .section{padding:52px 0;}
  .hero{padding:42px 0 36px;}
  .hero h1{font-size:clamp(25px,7vw,32px);}
  .hero-desc{font-size:15.5px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 auto;padding:13px 22px;font-size:15px;}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:10px;margin-top:34px;}
  .hero-metrics li{padding:14px 16px;}
  .hero-metrics strong{font-size:18px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .demand-form{grid-template-columns:1fr;}
  .demand-form .btn{width:100%;justify-self:stretch;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .news-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .news-item span{font-size:12.5px;}
  .score-card{padding:22px;gap:18px;}
  .score-num{font-size:38px;}
  .float-tools{right:12px;bottom:16px;gap:8px;}
  .float-btn{width:46px;height:46px;border-radius:14px;font-size:12px;}
  .chart-note{font-size:12.5px;}
}