:root{
  --ink:#171a2b;
  --ink-2:#3c4159;
  --ink-3:#626884;
  --line:rgba(23,26,43,.10);
  --line-soft:rgba(23,26,43,.06);
  --violet:#5a48e8;
  --violet-soft:#efecff;
  --sky:#2fb4f2;
  --sky-soft:#e6f5ff;
  --mint:#0f9c83;
  --mint-soft:#e3faf4;
  --peach:#e05a2b;
  --peach-soft:#ffeee7;
  --lemon:#b57f00;
  --lemon-soft:#fff6dd;
  --radius:22px;
  --shadow-sm:0 8px 22px rgba(23,26,43,.06);
  --shadow-md:0 20px 42px rgba(23,26,43,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;background:#fdfbf7;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:#fdfbf7;
  background-image:
    radial-gradient(circle at 12% 4%, rgba(90,72,232,.14), transparent 42%),
    radial-gradient(circle at 90% 2%, rgba(255,190,35,.20), transparent 40%),
    radial-gradient(circle at 50% 46%, rgba(15,156,131,.10), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(224,90,43,.12), transparent 40%);
  background-repeat:no-repeat;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(253,251,247,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-mark{display:block;width:38px;height:38px;border-radius:12px;overflow:hidden;background:#fff;border:1px solid var(--line);}
.brand-mark img{width:100%;display:block;}
.brand-text{font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex:1 1 auto;min-width:0;}
.nav-links a{display:block;padding:8px 11px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);text-decoration:none;white-space:nowrap;transition:color .2s ease,background-color .2s ease;}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--violet);background:var(--violet-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-cta{padding:10px 20px;font-size:14.5px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease;}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{background:linear-gradient(135deg,#6d5bff,#2fb4f2);color:#fff;box-shadow:0 12px 26px rgba(90,72,232,.30);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(90,72,232,.38);}
.btn-ghost{background:#fff;color:var(--ink);border-color:rgba(23,26,43,.16);box-shadow:0 8px 20px rgba(23,26,43,.06);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(90,72,232,.4);box-shadow:0 16px 30px rgba(23,26,43,.12);}
.btn-lg{padding:15px 30px;font-size:16px;}

/* 眉标 */
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.10em;color:#4b39d6;background:var(--violet-soft);border:1px solid rgba(90,72,232,.24);padding:6px 14px;border-radius:999px;}
.kicker-mint{color:#0b6f5e;background:var(--mint-soft);border-color:rgba(15,156,131,.26);}
.kicker-peach{color:#a83f1a;background:var(--peach-soft);border-color:rgba(224,90,43,.26);}
.kicker-lemon{color:#7d5900;background:var(--lemon-soft);border-color:rgba(181,127,0,.28);}
.kicker-sky{color:#0a6189;background:var(--sky-soft);border-color:rgba(12,108,156,.26);}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:54px 0 62px;}
.hero-deco{position:absolute;inset:0;pointer-events:none;z-index:0;}
.blob{position:absolute;border-radius:50%;filter:blur(52px);opacity:.55;}
.blob-1{width:320px;height:320px;background:#cfc6ff;top:-90px;left:-70px;animation:floatA 15s ease-in-out infinite;}
.blob-2{width:270px;height:270px;background:#ffdcae;top:30px;right:-60px;animation:floatB 17s ease-in-out infinite;}
.blob-3{width:250px;height:250px;background:#b6f0e1;bottom:-100px;left:36%;animation:floatA 19s ease-in-out infinite reverse;}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(20px,24px,0);}}
@keyframes floatB{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(-22px,18px,0);}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center;}
.hero h1{font-size:clamp(29px,4.3vw,48px);letter-spacing:-.022em;line-height:1.16;margin:18px 0 16px;}
.hl{background-image:linear-gradient(transparent 62%, rgba(255,190,35,.62) 62%, rgba(255,190,35,.62) 94%, transparent 94%);}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--ink-3);}
.hero-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.metric{background:rgba(255,255,255,.88);border:1px solid var(--line);border-top:3px solid transparent;border-radius:18px;padding:18px 16px;box-shadow:var(--shadow-sm);backdrop-filter:blur(6px);transition:transform .28s ease,box-shadow .28s ease;}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.metric:nth-child(1){border-top-color:#6d5bff;}
.metric:nth-child(2){border-top-color:#0f9c83;}
.metric:nth-child(3){border-top-color:#e05a2b;}
.metric:nth-child(4){border-top-color:#e0a400;}
.metric strong{display:block;font-size:25px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.metric span{display:block;font-size:13px;color:var(--ink-3);margin-top:2px;line-height:1.5;}

/* 通用区块 */
.section{padding:62px 0;}
.section-tint{background:rgba(255,255,255,.55);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:clamp(23px,3vw,32px);margin:14px 0 10px;}
.section-head p{color:var(--ink-2);font-size:15.5px;}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:start;}
.about-copy p{color:var(--ink-2);font-size:15.5px;margin-top:14px;}
.about-list{display:grid;gap:10px;}
.about-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.about-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(90,72,232,.28);}
.about-list h3{font-size:15.5px;margin-bottom:2px;}
.about-list p{font-size:13.5px;color:var(--ink-3);line-height:1.55;}
.dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;margin-top:7px;background:var(--violet);}
.about-list li:nth-child(2) .dot{background:#0f9c83;}
.about-list li:nth-child(3) .dot{background:#e05a2b;}
.about-list li:nth-child(4) .dot{background:#e0a400;}
.about-list li:nth-child(5) .dot{background:#2fb4f2;}
.about-list li:nth-child(6) .dot{background:#6d5bff;}
.about-list li:nth-child(7) .dot{background:#0f9c83;}
.model-cloud{margin-top:36px;background:linear-gradient(135deg,rgba(90,72,232,.10),rgba(47,180,242,.10));border:1px solid rgba(90,72,232,.18);border-radius:var(--radius);padding:24px;}
.cloud-title{font-size:13.5px;font-weight:800;color:var(--ink-2);margin-bottom:14px;letter-spacing:.06em;}
.cloud-tags{display:flex;flex-wrap:wrap;gap:8px;}
.cloud-tags li{font-size:13px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;transition:transform .2s ease,color .2s ease,border-color .2s ease;}
.cloud-tags li:hover{color:var(--violet);border-color:rgba(90,72,232,.42);transform:translateY(-2px);}

/* 服务卡片 */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;}
.service-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.service-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--accent);opacity:.9;}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(23,26,43,.16);}
.service-card:nth-child(3n+1){--accent:#6d5bff;--accent-soft:#efecff;}
.service-card:nth-child(3n+2){--accent:#0f9c83;--accent-soft:#e3faf4;}
.service-card:nth-child(3n+3){--accent:#e05a2b;--accent-soft:#ffeee7;}
.service-tag{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.06em;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:3px 11px;}
.service-card h3{font-size:17px;margin:10px 0 8px;}
.service-card p{font-size:14px;color:var(--ink-2);}
.capability-cloud{margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease;}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;font-weight:800;font-size:15px;color:#fff;background:linear-gradient(135deg,#6d5bff,#2fb4f2);margin-bottom:14px;}
.step:nth-child(2) .step-num{background:linear-gradient(135deg,#0f9c83,#2fb4f2);}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,#e05a2b,#e0a400);}
.step:nth-child(4) .step-num{background:linear-gradient(135deg,#5a48e8,#0f9c83);}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;}
.solution-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(15,156,131,.32);}
.solution-card h3{font-size:16.5px;margin-bottom:8px;}
.solution-card p{font-size:14px;color:var(--ink-2);}
.tag-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;}
.tag-list li{font-size:12px;font-weight:600;color:var(--ink-2);background:#f3f2fb;border-radius:999px;padding:4px 10px;}
.network-strip{margin-top:24px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.network-strip h3{font-size:18px;margin-bottom:10px;}
.network-strip > div > p{font-size:14.5px;color:var(--ink-2);}
.network-items{display:grid;gap:14px;}
.network-items li{border-left:3px solid var(--mint);padding-left:14px;}
.network-items li:nth-child(2){border-left-color:var(--violet);}
.network-items li:nth-child(3){border-left-color:var(--peach);}
.network-items strong{display:block;font-size:14.5px;}
.network-items span{display:block;font-size:13.5px;color:var(--ink-3);}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:18px;}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease;}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.case-media{aspect-ratio:4/3;background:#f2f0fa;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{padding:16px 18px 20px;}
.case-body h3{font-size:15.5px;margin-bottom:6px;}
.case-body p{font-size:13.5px;color:var(--ink-3);}

/* 对比评测 */
.score-card{display:flex;align-items:center;gap:28px;flex-wrap:wrap;background:linear-gradient(135deg,#ffffff,#f6f3ff);border:1px solid rgba(90,72,232,.22);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow-sm);margin-bottom:24px;}
.score-num{font-size:52px;font-weight:800;line-height:1;letter-spacing:-.03em;color:#4b39d6;}
.score-full{display:block;font-size:13px;color:var(--ink-3);margin-top:8px;}
.stars{color:#e0a400;font-size:20px;letter-spacing:4px;line-height:1;}
.score-meta p{font-size:14.5px;color:var(--ink-2);margin-top:8px;}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);}
.compare-table{width:100%;min-width:700px;border-collapse:collapse;font-size:14.5px;}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top;}
.compare-table thead th{background:#f5f3ff;color:var(--ink);font-weight:800;font-size:14px;white-space:nowrap;}
.compare-table thead th:nth-child(2){background:#eae6ff;color:#3f2fc9;}
.compare-table tbody th{font-weight:700;color:var(--ink);background:#fcfbff;white-space:nowrap;}
.compare-table tbody td{color:var(--ink-2);}
.compare-table tbody td:nth-child(2){background:#faf8ff;color:var(--ink);font-weight:600;}
.compare-table tr:last-child th,.compare-table tr:last-child td{border-bottom:0;}

/* Token 比价 */
.token-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:18px;}
.token-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease;}
.token-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.token-card h3{font-size:16px;margin-bottom:4px;}
.token-card .token-use{font-size:13px;color:var(--ink-3);}
.token-card ul{display:grid;gap:7px;margin-top:12px;}
.token-card li{position:relative;font-size:13.5px;color:var(--ink-2);padding-left:16px;}
.token-card li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:var(--sky);}
.token-card:nth-child(2) li::before{background:var(--mint);}
.token-card:nth-child(3) li::before{background:var(--peach);}
.token-card:nth-child(4) li::before{background:#c99a00;}
.token-note{margin-top:20px;font-size:13.5px;color:var(--ink-3);}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;}
.review-card{display:flex;flex-direction:column;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease;}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.review-card blockquote{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.78;}
.review-card figcaption{display:flex;align-items:center;gap:10px;}
.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;flex:0 0 auto;background:linear-gradient(135deg,#6d5bff,#2fb4f2);}
.review-card:nth-child(2) .avatar{background:linear-gradient(135deg,#0f9c83,#2fb4f2);}
.review-card:nth-child(3) .avatar{background:linear-gradient(135deg,#e05a2b,#e0a400);}
.review-card:nth-child(4) .avatar{background:linear-gradient(135deg,#5a48e8,#0f9c83);}
.review-card:nth-child(5) .avatar{background:linear-gradient(135deg,#2fb4f2,#6d5bff);}
.review-card:nth-child(6) .avatar{background:linear-gradient(135deg,#e0a400,#e05a2b);}
.review-person{display:flex;flex-direction:column;line-height:1.4;}
.review-person strong{font-size:14.5px;}
.review-person span{font-size:12.5px;color:var(--ink-3);}

/* 文章 */
.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;}
.article-card{display:flex;flex-direction:column;gap:9px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;text-decoration:none;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.article-card:hover{transform:translateY(-4px);border-color:rgba(90,72,232,.35);box-shadow:var(--shadow-md);}
.article-tag{align-self:flex-start;font-size:11.5px;font-weight:800;color:#4b39d6;background:var(--violet-soft);border-radius:999px;padding:3px 10px;}
.article-card h3{font-size:15.5px;}
.article-card p{font-size:13.5px;color:var(--ink-3);}
.article-feed{margin-top:18px;font-size:14px;color:var(--ink-2);}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item.open{border-color:rgba(90,72,232,.35);box-shadow:var(--shadow-md);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:none;border:0;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--ink);text-align:left;line-height:1.5;}
.faq-q:hover{color:var(--violet);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#5a48e8;border-radius:2px;transition:transform .3s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2);}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:24px;align-items:start;}
.contact-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2);}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);background:#fbfaff;border:1px solid var(--line);border-radius:12px;padding:11px 14px;transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;}
.field textarea{resize:vertical;min-height:106px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:rgba(90,72,232,.55);background:#fff;box-shadow:0 0 0 4px rgba(90,72,232,.12);}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);}
.qr-wrap{display:flex;align-items:center;gap:16px;padding-bottom:18px;border-bottom:1px dashed var(--line);margin-bottom:18px;}
.qr-box{width:104px;flex:0 0 auto;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#faf9ff;}
.qr-box img{width:100%;height:auto;}
.qr-text strong{display:block;font-size:15px;margin-bottom:4px;}
.qr-text span{font-size:13px;color:var(--ink-3);}
.contact-list{display:grid;gap:10px;}
.contact-list li{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;font-size:14px;}
.contact-list .label{font-size:12.5px;color:var(--ink-3);min-width:74px;}
.contact-list a{color:#4b39d6;text-decoration:none;font-weight:600;}
.contact-list a:hover{text-decoration:underline;}
.agency-box{margin-top:20px;padding:18px;border-radius:16px;background:linear-gradient(135deg,#fff8e2,#ffeee7);border:1px solid rgba(224,164,0,.35);}
.agency-box h3{font-size:15.5px;margin-bottom:6px;}
.agency-box p{font-size:13.5px;color:#5c4a1f;margin-bottom:12px;}
.agency-box .btn{padding:10px 20px;font-size:14px;}

/* 页脚 */
.site-footer{background:#f4f0e8;border-top:1px solid var(--line);color:var(--ink);padding:40px 0 22px;}
.footer-top{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;align-items:start;}
.footer-brand .brand{margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:46ch;margin-top:6px;}
.footer-brand a{color:#4b39d6;text-decoration:none;font-weight:600;}
.footer-brand a:hover{text-decoration:underline;}
.footer-links h3{font-size:15px;margin-bottom:12px;color:var(--ink);}
.footer-links ul{display:flex;flex-wrap:wrap;gap:10px;}
.footer-links a{display:inline-block;font-size:13.5px;color:#3f2fc9;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;transition:transform .2s ease,border-color .2s ease,color .2s ease;}
.footer-links a:hover{transform:translateY(-2px);border-color:rgba(90,72,232,.42);}
.footer-bottom{margin-top:28px;padding-top:16px;border-top:1px solid rgba(23,26,43,.10);display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between;font-size:13px;color:#4a4f66;}
.footer-bottom a{color:#3f2fc9;text-decoration:none;}
.footer-bottom a:hover{text-decoration:underline;}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px;}
.float-btn{width:46px;height:46px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);color:#4b39d6;box-shadow:0 10px 24px rgba(23,26,43,.14);cursor:pointer;text-decoration:none;padding:0;transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(23,26,43,.2);}
.float-top{opacity:0;pointer-events:none;}
.float-top.show{opacity:1;pointer-events:auto;}

/* 滚动渐入 */
.js .reveal{opacity:0;translate:0 18px;transition:opacity .62s ease,translate .62s ease;}
.js .reveal.is-visible{opacity:1;translate:0 0;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;translate:0 0;}
}

/* 响应式 */
@media (max-width:1000px){
  .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;background:#fff;padding:8px 12px 16px;border-bottom:1px solid var(--line);border-radius:0 0 18px 18px;box-shadow:0 24px 44px rgba(23,26,43,.14);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 12px;border-radius:12px;border-bottom:1px solid var(--line-soft);font-size:15px;}
  .nav-links a:last-child{border-bottom:0;}
  .nav-toggle{display:flex;}
}
@media (max-width:920px){
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .about-grid{grid-template-columns:1fr;gap:28px;}
  .contact-grid{grid-template-columns:1fr;}
  .network-strip{grid-template-columns:1fr;gap:20px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:620px){
  .section{padding:48px 0;}
  .hero{padding:40px 0 48px;}
  .steps{grid-template-columns:1fr;}
  .contact-form{grid-template-columns:1fr;padding:20px;}
  .contact-card{padding:20px;}
  .model-cloud{padding:20px;}
  .score-card{padding:22px;gap:18px;}
  .score-num{font-size:44px;}
  .brand-text{font-size:16.5px;}
  .nav-cta{padding:9px 16px;font-size:13.5px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:400px){
  .hero-panel{grid-template-columns:1fr;}
  .qr-wrap{flex-direction:column;align-items:flex-start;}
}