:root{
  --ink:#172033;
  --muted:#637087;
  --paper:#fffdf9;
  --white:#fff;
  --line:#e8e8e2;
  --orange:#ff7048;
  --pink:#ef4b87;
  --blue:#2969e8;
  --cyan:#19b6b1;
  --yellow:#ffc83d;
  --soft:#f5f6f1;
  --shadow:0 18px 45px rgba(28,38,65,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,249,.94);border-bottom:1px solid rgba(232,232,226,.9);backdrop-filter:blur(14px)}
.navbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:150px}
.brand img{width:42px;max-height:42px;object-fit:contain}
.brand strong{font-size:18px;letter-spacing:0}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
.nav-links a{font-size:14px;color:#40506a;padding:9px 10px;transition:.2s}
.nav-links a:hover{color:var(--orange)}
.nav-cta{background:var(--ink);color:#fff!important;border-radius:999px!important;padding:10px 17px!important;margin-left:10px}
.menu-toggle{display:none;border:0;background:var(--ink);color:#fff;border-radius:8px;padding:9px 12px;font-size:20px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff8e9 0%,#fffdf9 48%,#e9f4ff 100%);padding:92px 0 78px}
.hero:before,.hero:after{content:"";position:absolute;z-index:0;border-radius:50%;pointer-events:none}
.hero:before{width:330px;height:330px;right:-120px;top:-150px;background:var(--yellow);opacity:.5}
.hero:after{width:250px;height:250px;left:-125px;bottom:-130px;background:#b9e9e5;opacity:.6}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:14px;margin-bottom:18px}
.eyebrow:before{content:"";width:28px;height:4px;border-radius:2px;background:var(--pink)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(40px,6vw,72px);line-height:1.1;letter-spacing:0;margin-bottom:22px;max-width:700px}
h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin-bottom:14px}
h3{font-size:20px;line-height:1.35;margin-bottom:9px}
.hero-copy{font-size:19px;color:#526078;max-width:680px;margin-bottom:30px}
.button-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 20px;border-radius:10px;border:1px solid var(--ink);font-weight:700;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 20px rgba(23,32,51,.12)}
.btn-primary{background:var(--orange);border-color:var(--orange);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.hero-panel{background:var(--ink);color:#fff;padding:30px;border-radius:28px;box-shadow:var(--shadow);position:relative}
.hero-panel:after{content:"";position:absolute;width:72px;height:72px;background:var(--pink);right:-18px;bottom:-18px;border-radius:18px;transform:rotate(16deg);z-index:-1}
.panel-label{color:#ffd365;font-size:13px;font-weight:700}
.hero-panel h2{font-size:28px;margin:10px 0 22px}
.signal{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.signal-item{background:rgba(255,255,255,.1);padding:14px;border-radius:12px}
.signal-item b{display:block;font-size:22px;color:#fff}
.signal-item span{font-size:13px;color:#c9d0df}
.section{padding:90px 0}
.section-tint{background:#f3f6f3}
.section-blue{background:#eaf2ff}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:35px}
.section-head p{max-width:600px;color:var(--muted);margin-bottom:0}
.kicker{color:var(--pink);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:-1px}
.metric{padding:24px;background:#fff;border-left:5px solid var(--orange);box-shadow:0 8px 25px rgba(30,48,70,.06)}
.metric:nth-child(2){border-color:var(--blue)}
.metric:nth-child(3){border-color:var(--cyan)}
.metric:nth-child(4){border-color:var(--pink)}
.metric strong{display:block;font-size:32px;line-height:1.2}
.metric span{font-size:14px;color:var(--muted)}
.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
.intro-note{padding:28px;background:var(--yellow);border-radius:18px}
.intro-note strong{font-size:25px;display:block;margin-bottom:12px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);padding:25px;border-radius:var(--radius);transition:.25s}
.feature:hover,.review:hover,.case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature:nth-child(3n+2){border-top:5px solid var(--blue)}
.feature:nth-child(3n+1){border-top:5px solid var(--orange)}
.feature:nth-child(3n){border-top:5px solid var(--cyan)}
.feature p,.review p,.case p{color:var(--muted);font-size:14px}
.icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#fff0e9;color:var(--orange);font-size:21px;margin-bottom:17px}
.feature:nth-child(2n) .icon{background:#e9f1ff;color:var(--blue)}
.tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
.tag{border:1px solid #d8dfe9;color:#40506a;padding:8px 13px;border-radius:999px;background:#fff;font-size:14px}
.workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
.step{position:relative;padding:20px 22px 20px 0;border-top:2px solid var(--ink);margin-right:18px}
.step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--pink);font-size:30px;font-weight:800;margin-bottom:10px}
.step:not(:last-child):after{content:"→";position:absolute;right:-6px;top:23px;font-size:25px;color:var(--orange)}
.step p{color:var(--muted);font-size:14px}
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.solution{background:#fff;padding:21px;border-radius:14px;border:1px solid var(--line)}
.solution b{display:block;margin-bottom:7px}
.solution span{font-size:13px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.timeline article{padding:26px;background:#fff;border-radius:16px;border-bottom:5px solid var(--blue)}
.timeline article:nth-child(2){border-color:var(--pink)}
.timeline article:nth-child(3){border-color:var(--yellow)}
.timeline small{color:var(--orange);font-weight:800}
.media-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.media-card{background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.media-card .media-image{aspect-ratio:16/8;overflow:hidden;background:#eef1f5}
.media-card .media-image.square{aspect-ratio:1/1}
.media-card img{width:100%;height:100%;object-fit:cover}
.media-card .media-body{padding:22px}
.compare-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:25px;align-items:start}
.score-box{background:var(--ink);color:#fff;border-radius:20px;padding:30px}
.score-box .stars{color:#ffd365;font-size:28px;letter-spacing:2px}
.score-box strong{font-size:62px;line-height:1;display:block;margin:15px 0}
.score-box p{color:#ccd4e4}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:16px}
table{border-collapse:collapse;width:100%;min-width:650px}
th,td{text-align:left;padding:16px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#f7f8f5;color:#34425b}
td:last-child{color:var(--blue);font-weight:700}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:#fff;padding:24px;border-radius:16px;border:1px solid var(--line);transition:.25s}
.review-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:13px}
.review-top strong{font-size:15px}
.review-top span{color:var(--orange);font-size:13px}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.25s}
.case-label{color:var(--blue);font-weight:800;font-size:13px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{background:#fff;padding:25px;border:1px solid var(--line);border-radius:16px}
.price-card.featured{background:var(--orange);color:#fff;border-color:var(--orange);transform:translateY(-8px)}
.price-card p{color:var(--muted);font-size:14px}
.price-card.featured p{color:#fff0ea}
.price{font-size:30px;font-weight:800;margin:10px 0}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.article{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.article span{color:var(--muted);font-size:13px}
.faq-list{max-width:900px}
details{background:#fff;border-bottom:1px solid var(--line);padding:17px 0}
summary{cursor:pointer;font-weight:700;list-style:none;padding-right:25px;position:relative}
summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:22px;top:-4px}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
.form-area{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}
.contact-box{background:var(--ink);color:#fff;padding:30px;border-radius:20px}
.contact-box p{color:#cbd3e1}
.contact-list{padding:0;margin:25px 0 0;list-style:none}
.contact-list li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
form{background:#fff;padding:28px;border:1px solid var(--line);border-radius:18px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:14px;font-weight:700}
input,select,textarea{font:inherit;border:1px solid #d9dee7;border-radius:8px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(41,105,232,.1)}
textarea{min-height:130px;resize:vertical}
.footer{background:var(--ink);color:#fff;padding:55px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:28px}
.footer h3{font-size:16px;color:#fff}
.footer p,.footer li,.footer a{color:#bdc7d8;font-size:14px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:7px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;color:#9da9bc;font-size:13px}
.qr{width:92px;background:#fff;padding:5px;border-radius:8px;margin-top:12px}
.float-tools{position:fixed;right:18px;bottom:22px;z-index:10;display:flex;flex-direction:column;gap:9px}
.float-tools a{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#fff;font-size:19px;box-shadow:0 8px 20px rgba(239,75,135,.25)}
.float-tools a:last-child{background:var(--ink)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.article-shortcode{display:none}
@media(max-width:980px){
  .nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 12px}
  .nav-cta{margin-left:0;text-align:center}
  .menu-toggle{display:block}
  .hero-grid,.intro-grid,.compare-layout,.form-area{grid-template-columns:1fr}
  .hero-panel{max-width:620px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .solution-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  .hero{padding:64px 0 55px}
  .section{padding:62px 0}
  .section-head{display:block}
  .section-head p{margin-top:12px}
  h1{font-size:42px}
  .metrics,.feature-grid,.workflow,.timeline,.review-grid,.case-grid,.price-grid,.article-list{grid-template-columns:1fr}
  .solution-grid{grid-template-columns:1fr}
  .step{margin-right:0;border-top:0;border-left:2px solid var(--ink);padding:5px 0 20px 20px}
  .step:not(:last-child):after{content:"↓";right:auto;left:19px;top:auto;bottom:-7px}
  .price-card.featured{transform:none}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .footer-grid{grid-template-columns:1fr}
  .signal{grid-template-columns:1fr 1fr}
  .float-tools{right:12px}
}