:root{
  --ink:#0c2418;
  --ink-2:#3f5c4c;
  --ink-3:#6d8677;
  --green:#12d05a;
  --green-2:#0aa84a;
  --green-deep:#0b3b26;
  --green-soft:#e9fbf0;
  --green-line:#c8edd6;
  --bg:#f5fbf7;
  --card:#ffffff;
  --line:#dbeee2;
  --shadow:0 18px 40px -28px rgba(11,59,38,.55);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  line-height:1.7;
  font-size:15.5px;
  -webkit-font-smoothing:antialiased;
  background-color:#f5fbf7;
  background-image:
    radial-gradient(780px 440px at 6% -6%, rgba(18,208,90,.18), transparent 62%),
    radial-gradient(720px 420px at 98% 2%, rgba(18,208,90,.13), transparent 66%),
    radial-gradient(760px 520px at 50% 52%, rgba(18,208,90,.07), transparent 70%),
    linear-gradient(180deg,#f0fcf5 0%,#f8fcf9 42%,#f3faf6 100%);
  background-repeat:no-repeat;
}
img{max-width:100%}
a{color:var(--green-2);text-decoration:none}
h1,h2,h3{line-height:1.32;letter-spacing:-.01em;margin:0}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.section-head{max-width:780px;margin:0 auto 36px;text-align:center}
.section-head h2{font-size:clamp(22px,3vw,32px);margin:14px 0 12px;color:var(--green-deep)}
.section-head p{color:var(--ink-2);font-size:15.5px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--green-2);background:var(--green-soft);border:1px solid var(--green-line);padding:5px 13px;border-radius:999px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 26px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#1be06a,#0bb84f);color:#04301a;box-shadow:0 12px 26px -14px rgba(11,168,74,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(11,168,74,.9)}
.btn-ghost{background:#fff;color:var(--green-deep);border-color:var(--green-line)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;padding-top:10px;padding-bottom:10px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--green-deep);font-weight:800;font-size:17px;letter-spacing:.02em}
.brand-logo{width:118px;max-height:40px;overflow:hidden;display:flex;align-items:center;flex:none}
.brand-logo img{display:block}
.brand-name{white-space:nowrap}
.site-nav{margin-left:auto}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links a{display:block;padding:8px 10px;font-size:14px;color:var(--ink-2);border-radius:9px;transition:color .2s ease,background .2s ease;white-space:nowrap}
.nav-links a:hover{color:var(--green-deep);background:var(--green-soft)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:38px;border-radius:10px;border:1px solid var(--green-line);background:#fff;cursor:pointer;color:var(--green-deep);font-size:13px;font-family:inherit}
.nav-toggle:hover{background:var(--green-soft)}

/* 首屏 */
.hero{position:relative;padding:56px 0 66px;overflow:hidden}
.hero::before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(18,208,90,.28),rgba(18,208,90,0) 68%);pointer-events:none}
.hero::after{content:"";position:absolute;width:360px;height:360px;left:-160px;bottom:-160px;border-radius:50%;background:radial-gradient(circle,rgba(18,208,90,.18),rgba(18,208,90,0) 70%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center;z-index:1}
.hero h1{font-size:clamp(28px,4.2vw,46px);margin:18px 0 16px;color:var(--green-deep);font-weight:800}
.hero h1 em{font-style:normal;color:var(--green-2)}
.hero-lead{color:var(--ink-2);font-size:16px;max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.hero-tags li{font-size:13px;color:var(--green-deep);background:#fff;border:1px solid var(--green-line);border-radius:999px;padding:6px 13px}
.hero-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 16px;box-shadow:var(--shadow);transition:transform .3s ease,border-color .3s ease}
.metric:hover{transform:translateY(-4px);border-color:#9fe6bb}
.metric-num{display:block;font-size:26px;font-weight:800;color:var(--green-2);line-height:1.2}
.metric-label{display:block;font-size:13.5px;color:var(--ink-2);margin-top:6px}

/* 通用网格 */
.grid{display:grid;gap:18px}
.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:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 42px -30px rgba(11,59,38,.6);border-color:#9fe6bb}
.card h3{font-size:16.5px;color:var(--green-deep);margin-bottom:8px;position:relative;padding-left:12px}
.card h3::before{content:"";position:absolute;left:0;top:7px;width:4px;height:14px;border-radius:2px;background:linear-gradient(180deg,#1be06a,#0aa84a)}
.card p{color:var(--ink-2);font-size:14.5px;margin:0}

/* 平台介绍 */
.intro-block{display:grid;grid-template-columns:1fr;gap:26px}
.intro-text{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}
.intro-text p{color:var(--ink-2);font-size:15.5px}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 16px;position:relative;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.step:hover{transform:translateY(-4px);border-color:#9fe6bb;box-shadow:var(--shadow)}
.step-num{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--green-2);background:var(--green-soft);border-radius:999px;padding:3px 10px;margin-bottom:10px}
.step h3{font-size:15.5px;color:var(--green-deep);margin-bottom:6px}
.step p{font-size:14px;color:var(--ink-2)}

/* 标签云 */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chips li{font-size:13.4px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.chips li:hover{color:var(--green-deep);border-color:var(--green);transform:translateY(-2px)}

/* 案例 */
.case-featured{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;margin-bottom:18px;box-shadow:var(--shadow)}
.case-featured .shot{width:100%;border-radius:14px;background:#eefaf2;border:1px solid #dff2e8;padding:10px;display:flex;align-items:center;justify-content:center}
.case-featured h3{font-size:19px;color:var(--green-deep);margin-bottom:8px}
.case-featured p{color:var(--ink-2);font-size:14.5px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#9fe6bb}
.case-card .shot{background:#eefaf2;padding:12px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #e2f4ea}
.case-card .shot img{display:block;border-radius:10px}
.case-body{padding:18px 20px}
.case-body h3{font-size:16px;color:var(--green-deep);margin-bottom:6px}
.case-body p{font-size:14px;color:var(--ink-2)}

/* 对比评测 */
.score-bar{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:22px}
.score-main{background:linear-gradient(135deg,#0b3b26,#11643c);color:#fff;border-radius:22px;padding:26px 28px;display:flex;flex-direction:column;justify-content:center;gap:6px}
.score-main .label{font-size:13px;letter-spacing:.1em;color:#8ff0b6}
.score-main .value{font-size:44px;font-weight:800;line-height:1.1;color:#fff}
.score-main .value span{font-size:17px;font-weight:600;color:#a9e9c3;margin-left:6px}
.score-main .stars{font-size:18px;letter-spacing:3px;color:#43f08a}
.score-side{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px 26px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.score-side h3{font-size:17px;color:var(--green-deep)}
.score-side p{font-size:14.5px;color:var(--ink-2)}
.score-side .recommend{font-size:15px;color:var(--green-2);font-weight:700;letter-spacing:2px}
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;overflow-x:auto;box-shadow:var(--shadow)}
.compare{width:100%;border-collapse:collapse;min-width:760px}
.compare th,.compare td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid #eaf6ef;vertical-align:top}
.compare thead th{background:#eafaf0;color:var(--green-deep);font-weight:700;font-size:14.5px}
.compare tbody tr:last-child td{border-bottom:none}
.compare td:first-child,.compare th:first-child{position:sticky;left:0;background:#fff;font-weight:600;color:var(--green-deep);z-index:1}
.compare thead th:first-child{background:#eafaf0}
.compare td:not(:first-child){color:var(--ink-2)}
.compare .best{color:var(--green-deep);font-weight:600}
.compare tbody tr:hover td{background:#f7fdfa}
.compare tbody tr:hover td:first-child{background:#f7fdfa}

/* Token 比价 */
.price-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:10px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.price-card:hover{transform:translateY(-5px);border-color:#9fe6bb;box-shadow:var(--shadow)}
.price-card .tier{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--green-2);background:var(--green-soft);border-radius:999px;padding:4px 12px;align-self:flex-start}
.price-card h3{font-size:17px;color:var(--green-deep)}
.price-card p{font-size:14.3px;color:var(--ink-2)}
.price-card .note{font-size:13px;color:var(--ink-3);border-top:1px dashed var(--green-line);padding-top:10px;margin-top:4px}
.price-tip{margin-top:18px;background:#eefaf2;border:1px solid var(--green-line);border-radius:16px;padding:16px 20px;color:var(--ink-2);font-size:14.3px}

/* 用户评论 */
.review{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fe6bb}
.review .stars{color:#f4a623;font-size:14px;letter-spacing:2px}
.review p{font-size:14.4px;color:var(--ink-2);margin:0}
.reviewer{display:flex;align-items:center;gap:10px;margin-top:auto}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#1be06a,#0aa84a);color:#04301a;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:none}
.reviewer .who{font-size:14px;font-weight:600;color:var(--green-deep);line-height:1.35}
.reviewer .role{font-size:12.5px;color:var(--ink-3)}

/* 帮助中心 */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.article{display:flex;align-items:flex-start;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.article:hover{transform:translateY(-3px);border-color:#9fe6bb;box-shadow:var(--shadow)}
.article .tag{flex:none;font-size:12px;color:var(--green-2);background:var(--green-soft);border-radius:999px;padding:3px 10px;margin-top:2px}
.article .t{font-size:15px;color:var(--green-deep);font-weight:600;display:block}
.article .d{font-size:13.4px;color:var(--ink-3);margin-top:2px}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 20px;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:#9fe6bb;box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 34px 17px 0;font-size:15.5px;font-weight:600;color:var(--green-deep);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:24px;height:24px;line-height:22px;text-align:center;border-radius:50%;background:var(--green-soft);color:var(--green-2);font-size:16px;font-weight:700;transition:transform .25s ease,background .25s ease}
.faq-item[open] summary::after{content:"−";background:var(--green-2);color:#fff}
.faq-answer{padding:0 0 18px;color:var(--ink-2);font-size:14.6px}

/* 加盟 */
.join-band{background:linear-gradient(120deg,#0b3b26,#127a49);border-radius:24px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff;box-shadow:var(--shadow)}
.join-band h2{color:#fff;font-size:clamp(20px,2.6vw,27px);margin-bottom:8px}
.join-band p{color:#bfe9cf;font-size:14.6px;margin:0;max-width:640px}
.join-band .btn-primary{flex:none}

/* 联系与表单 */
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:start}
.contact-info{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.contact-info h3{font-size:17px;color:var(--green-deep);margin-bottom:14px}
.info-list{display:grid;gap:10px;margin-bottom:18px}
.info-list li{display:flex;gap:10px;font-size:14.4px;color:var(--ink-2);align-items:flex-start}
.info-list .k{flex:none;width:74px;color:var(--ink-3);font-size:13.6px}
.info-list a{color:var(--green-2);word-break:break-all}
.qr-box{display:flex;align-items:center;gap:14px;background:#f4fdf8;border:1px dashed var(--green-line);border-radius:14px;padding:14px}
.qr-box img{width:96px;border-radius:10px;display:block;background:#fff}
.qr-box .qr-text{font-size:13.6px;color:var(--ink-2)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.form-card h3{font-size:17px;color:var(--green-deep);margin-bottom:6px}
.form-card .form-tip{font-size:13.6px;color:var(--ink-3);margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--ink-2);font-weight:600}
.field input,.field select,.field textarea{font-family:inherit;font-size:14.5px;color:var(--ink);background:#fbfefc;border:1px solid #d9eee1;border-radius:11px;padding:11px 13px;width:100%;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(18,208,90,.16)}
.form-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px}
.form-foot .hint{font-size:13px;color:var(--ink-3)}

/* 页脚 */
.site-footer{background:#072a1a;color:#e8f5ec;margin-top:10px}
.footer-inner{padding:44px 20px 24px}
.footer-top{display:grid;grid-template-columns:1.25fr .75fr;gap:30px}
.footer-logo{font-size:19px;font-weight:800;color:#ffffff;margin-bottom:10px;letter-spacing:.02em}
.footer-desc{color:#a8c9b6;font-size:14px;max-width:480px}
.footer-mail{color:#a8c9b6;font-size:14px;margin-top:10px}
.footer-mail a{color:#7ff0a8}
.footer-title{font-size:14px;font-weight:700;color:#ffffff;margin-bottom:12px;letter-spacing:.06em}
.footer-links ul{display:flex;flex-wrap:wrap;gap:10px 18px}
.footer-links a{color:#a8c9b6;font-size:13.8px;transition:color .2s ease}
.footer-links a:hover{color:#7ff0a8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:16px;font-size:13px;color:#8fb3a1}

/* 浮动 */
.fab-stack{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.fab{width:48px;height:48px;border-radius:50%;border:1px solid var(--green-line);background:#fff;color:var(--green-deep);font-size:13px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 28px -18px rgba(11,59,38,.9);transition:transform .25s ease,background .25s ease,color .25s ease,opacity .25s ease}
.fab:hover{transform:translateY(-3px);background:var(--green);color:#04301a;border-color:var(--green)}
.fab-top{opacity:0;pointer-events:none;visibility:hidden}
.fab-top.show{opacity:1;pointer-events:auto;visibility:visible}
.kefu-pop{position:absolute;right:0;bottom:60px;width:212px;background:#fff;border:1px solid var(--green-line);border-radius:16px;padding:14px;box-shadow:0 24px 46px -24px rgba(11,59,38,.7);opacity:0;transform:translateY(8px);pointer-events:none;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s}
.kefu-pop.open{opacity:1;transform:none;pointer-events:auto;visibility:visible}
.kefu-pop .kefu-title{font-size:13.5px;font-weight:700;color:var(--green-deep);margin-bottom:8px}
.kefu-pop img{width:100%;border-radius:10px;display:block;background:#f4fdf8}
.kefu-pop .kefu-note{font-size:12.5px;color:var(--ink-2);margin-top:8px;text-align:center}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-panel{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 14px;box-shadow:0 20px 30px -26px rgba(11,59,38,.8)}
  .site-nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch}
  .nav-links a{padding:12px 4px;border-bottom:1px dashed #e2f2e9}
  .nav-links li:last-child a{border-bottom:none}
  .nav-toggle{display:inline-flex}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .case-featured{grid-template-columns:1fr}
  .case-featured .shot{max-width:320px}
  .score-bar{grid-template-columns:1fr}
  .article-list{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .join-band{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:680px){
  .section{padding:46px 0}
  .hero{padding:38px 0 46px}
  .hero-panel{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .header-actions .btn-sm{display:none}
  .brand-logo{width:96px}
  .brand-name{font-size:15px}
  .fab-stack{right:12px;bottom:14px}
  .fab{width:44px;height:44px;font-size:12px}
  .join-band{padding:26px 22px}
  .kefu-pop{width:190px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.metric,.step,.review,.case-card,.price-card,.article,.fab{transition:none}
}